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@@ -242,19 +242,6 @@ Check all figures to make sure they fit on the page with their legends.
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\end_inset
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-\end_layout
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-
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-\begin_layout Standard
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-\begin_inset Flex TODO Note (inline)
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-status open
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-
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-\begin_layout Plain Layout
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-Search and replace: naive -> naïve
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-\end_layout
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-
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-\end_inset
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\end_layout
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\begin_layout Standard
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@@ -704,13 +691,13 @@ One of the defining features of the adaptive immune system is immune memory:
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foreign antigen and respond more quickly and more strongly to that antigen
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in subsequent encounters.
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When the immune system first encounters a new antigen, the lymphocytes
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- that respond are known as naive cells – T-cells and B-cells that have never
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+ that respond are known as naïve cells – T-cells and B-cells that have never
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detected their target antigens before.
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Once activated by their specific antigen presented by an antigen-presenting
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- cell in the proper co-stimulatory context, naive cells differentiate into
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+ cell in the proper co-stimulatory context, naïve cells differentiate into
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effector cells that carry out their respective functions in targeting and
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destroying the source of the foreign antigen.
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- The requirement for co-stimulation is an important feature of naive cells
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+ The requirement for co-stimulation is an important feature of naïve cells
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that limits
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\begin_inset Quotes eld
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\end_inset
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@@ -724,11 +711,11 @@ false positive
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as the presence of common bacterial cell components or inflamed tissue.
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Most effector cells die after the foreign antigen is cleared, since they
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are no longer needed, but some remain and differentiate into memory cells.
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- Like naive cells, memory cells respond to detection of their specific antigen
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+ Like naïve cells, memory cells respond to detection of their specific antigen
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by differentiating into effector cells, ready to fight an infection.
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- However, unlike naive cells, memory cells do not require the same degree
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+ However, unlike naïve cells, memory cells do not require the same degree
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of co-stimulatory signaling for activation, and once activated, they proliferat
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-e and differentiate into effector cells more quickly than naive cells do.
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+e and differentiate into effector cells more quickly than naïve cells do.
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\end_layout
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\begin_layout Standard
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@@ -739,18 +726,18 @@ In the context of a pathogenic infection, immune memory is a major advantage,
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are allowed to differentiate into memory cells, preventing rejection of
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the graft becomes much more difficult.
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Many immune suppression drugs work by interfering with the co-stimulation
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- that naive cells require in order to mount an immune response [CITE?].
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+ that naïve cells require in order to mount an immune response [CITE?].
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Since memory cells do not require this co-stimulation, these drugs are
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not effective at suppressing an immune response that is mediated by memory
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cells.
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Secondly, because memory cells are able to mount a stronger and faster
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response to an antigen, all else being equal they require stronger immune
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- suppression than naive cells to prevent an immune response.
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+ suppression than naïve cells to prevent an immune response.
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However, immune suppression affects the entire immune system, not just
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cells recognizing a specific antigen, so increasing the dosage of immune
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suppression drugs also increases the risk of complications from a compromised
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immune system, such as opportunistic infections.
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- While the differences in cell surface markers between naive and memory
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+ While the differences in cell surface markers between naïve and memory
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cells have been fairly well characterized, the internal regulatory mechanisms
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that allow memory cells to respond more quickly and without co-stimulation
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are still poorly understood.
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@@ -1284,7 +1271,6 @@ In addition to other considerations, if called peaks are to be used as regions
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experimental conditions, or else the statistical significance calculations
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for differential abundance will overstate their confidence in the results.
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The
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-
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\begin_inset Flex Code
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status open
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@@ -1294,11 +1280,11 @@ csaw
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\end_inset
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- package provides guidelines for calling peaks in this way: peaks
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- are called based on a combination of all ChIP-seq reads from all experimental
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- conditions, so that the identified peaks are based on the average abundance
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- across all conditions, which is independent of any differential abundance
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- between conditions
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+ package provides guidelines for calling peaks in this way: peaks are called
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+ based on a combination of all ChIP-seq reads from all experimental conditions,
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+ so that the identified peaks are based on the average abundance across
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+ all conditions, which is independent of any differential abundance between
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+ conditions
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\begin_inset CommandInset citation
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LatexCommand cite
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key "Lun2015a"
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@@ -1382,7 +1368,6 @@ literal "false"
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\begin_layout Standard
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In ChIP-seq data, normalization is not as straightforward.
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The
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-
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\begin_inset Flex Code
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status open
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@@ -1392,8 +1377,8 @@ csaw
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\end_inset
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- package implements several different normalization strategies
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- and provides guidance on when to use each one
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+ package implements several different normalization strategies and provides
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+ guidance on when to use each one
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\begin_inset CommandInset citation
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LatexCommand cite
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key "Lun2015a"
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@@ -1615,7 +1600,7 @@ Proper analysis requires finding and exploiting systematic genome-wide trends
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\begin_layout Chapter
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Reproducible genome-wide epigenetic analysis of H3K4 and H3K27 methylation
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- in naive and memory CD4 T-cell activation
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+ in naïve and memory CD4 T-cell activation
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\end_layout
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\begin_layout Standard
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@@ -1667,7 +1652,7 @@ CD4 T-cell
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\begin_inset Quotes eld
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\end_inset
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-naive CD4 T-cells
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+naïve CD4 T-cells
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\begin_inset Quotes erd
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\end_inset
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@@ -1704,18 +1689,18 @@ Is it ok to just copy a bunch of citations from the intros to Sarah's papers?
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\begin_layout Standard
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CD4 T-cells are central to all adaptive immune responses, as well as immune
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memory [CITE?].
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- After an infection is cleared, a subset of the naive CD4 T-cells that responded
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+ After an infection is cleared, a subset of the naïve CD4 T-cells that responded
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to that infection differentiate into memory CD4 T-cells, which are responsible
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for responding to the same pathogen in the future.
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Memory CD4 T-cells are functionally distinct, able to respond to an infection
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- more quickly and without the co-stimulation required by naive CD4 T-cells.
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+ more quickly and without the co-stimulation required by naïve CD4 T-cells.
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However, the molecular mechanisms underlying this functional distinction
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are not well-understood.
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Epigenetic regulation via histone modification is thought to play an important
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role, but while many studies have looked at static snapshots of histone
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methylation in T-cells, few studies have looked at the dynamics of histone
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regulation after T-cell activation, nor the differences in histone methylation
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- between naive and memory T-cells.
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+ between naïve and memory T-cells.
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H3K4me2, H3K4me3 and H3K27me3 are three histone marks thought to be major
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epigenetic regulators of gene expression.
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The goal of the present study is to investigate the role of these histone
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@@ -1747,15 +1732,15 @@ deactivating
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\begin_layout Standard
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In order to investigate the relationship between gene expression and these
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- histone modifications in the context of naive and memory CD4 T-cell activation,
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+ histone modifications in the context of naïve and memory CD4 T-cell activation,
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a previously published data set of combined RNA-seq and ChIP-seq data was
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re-analyzed using up-to-date methods designed to address the specific analysis
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challenges posed by this data set.
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- The data set contains naive and memory CD4 T-cell samples in a time course
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+ The data set contains naïve and memory CD4 T-cell samples in a time course
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before and after activation.
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Like the original analysis, this analysis looks at the dynamics of these
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marks histone marks and compare them to gene expression dynamics at the
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- same time points during activation, as well as compare them between naive
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+ same time points during activation, as well as compare them between naïve
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and memory cells, in hope of discovering evidence of new mechanistic details
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in the interplay between them.
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The original analysis of this data treated each gene promoter as a monolithic
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@@ -1802,7 +1787,7 @@ literal "true"
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.
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Briefly, this data consists of RNA-seq and ChIP-seq from CD4 T-cells cultured
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from 4 donors.
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- From each donor, naive and memory CD4 T-cells were isolated separately.
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+ From each donor, naïve and memory CD4 T-cells were isolated separately.
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Then cultures of both cells were activated [how?], and samples were taken
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at 4 time points: Day 0 (pre-activation), Day 1 (early activation), Day
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5 (peak activation), and Day 14 (post-activation).
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@@ -3078,7 +3063,6 @@ PCoA plots of ChIP-seq sliding window data, before and after subtracting
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\begin_layout Standard
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Reads in promoters, peaks, and sliding windows across the genome were counted
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and normalized using
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-
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\begin_inset Flex Code
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status open
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@@ -3561,7 +3545,7 @@ Est.
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\begin_inset Text
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\begin_layout Plain Layout
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-Naive Day 0 vs Day 1
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+Naïve Day 0 vs Day 1
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\end_layout
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\end_inset
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@@ -3590,7 +3574,7 @@ Naive Day 0 vs Day 1
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\begin_inset Text
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\begin_layout Plain Layout
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-Naive Day 0 vs Day 5
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+Naïve Day 0 vs Day 5
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\end_layout
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\end_inset
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@@ -3619,7 +3603,7 @@ Naive Day 0 vs Day 5
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\begin_inset Text
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\begin_layout Plain Layout
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-Naive Day 0 vs Day 14
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+Naïve Day 0 vs Day 14
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\end_layout
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\end_inset
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@@ -3735,7 +3719,7 @@ Memory Day 0 vs Day 14
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\begin_inset Text
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\begin_layout Plain Layout
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-Day 0 Naive vs Memory
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+Day 0 Naïve vs Memory
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\end_layout
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\end_inset
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@@ -3764,7 +3748,7 @@ Day 0 Naive vs Memory
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\begin_inset Text
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\begin_layout Plain Layout
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-Day 1 Naive vs Memory
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+Day 1 Naïve vs Memory
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\end_layout
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\end_inset
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@@ -3793,7 +3777,7 @@ Day 1 Naive vs Memory
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\begin_inset Text
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\begin_layout Plain Layout
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-Day 5 Naive vs Memory
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+Day 5 Naïve vs Memory
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\end_layout
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\end_inset
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@@ -3822,7 +3806,7 @@ Day 5 Naive vs Memory
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\begin_inset Text
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\begin_layout Plain Layout
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-Day 14 Naive vs Memory
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+Day 14 Naïve vs Memory
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\end_layout
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\end_inset
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@@ -4049,7 +4033,7 @@ noprefix "false"
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\end_inset
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-, there is a clear separation between naive and memory samples at Day 0,
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+, there is a clear separation between naïve and memory samples at Day 0,
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despite the fact that only 2 genes were significantly differentially expressed
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for this comparison.
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Similarly, the small numbers of genes detected for the Day 0 vs Day 5 compariso
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@@ -4887,7 +4871,7 @@ ly additive anyway.
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\end_layout
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\begin_layout Subsection
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-Gene expression and promoter histone methylation patterns in naive and memory
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+Gene expression and promoter histone methylation patterns in naïve and memory
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show convergence at day 14
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\end_layout
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@@ -5342,7 +5326,7 @@ name "tab:Number-signif-promoters"
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\end_inset
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-Number of differentially modified promoters between naive and memory cells
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+Number of differentially modified promoters between naïve and memory cells
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at each time point after activation.
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\series default
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@@ -5616,7 +5600,7 @@ Check up on figure refs in this paragraph
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\end_layout
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\begin_layout Standard
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-We hypothesized that if naive cells had differentiated into memory cells
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+We hypothesized that if naïve cells had differentiated into memory cells
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by Day 14, then their patterns of expression and histone modification should
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converge with those of memory cells at Day 14.
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Figure
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@@ -5631,7 +5615,7 @@ noprefix "false"
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shows the patterns of variation in all 3 histone marks in the promoter
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regions of the genome using principal coordinate analysis.
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- All 3 marks show a noticeable convergence between the naive and memory
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+ All 3 marks show a noticeable convergence between the naïve and memory
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samples at day 14, visible as an overlapping of the day 14 groups on each
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plot.
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This is consistent with the counts of significantly differentially modified
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@@ -5647,7 +5631,7 @@ noprefix "false"
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\end_inset
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.
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- For all histone marks, evidence of differential modification between naive
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+ For all histone marks, evidence of differential modification between naïve
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and memory samples was detected at every time point except day 14.
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The day 14 convergence pattern is also present in the RNA-seq data (Figure
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@@ -5663,7 +5647,7 @@ noprefix "false"
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), albeit in the 2nd and 3rd principal coordinates, indicating that it is
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not the most dominant pattern driving gene expression.
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Taken together, the data show that promoter histone methylation for these
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- 3 histone marks and RNA expression for naive and memory cells are most
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+ 3 histone marks and RNA expression for naïve and memory cells are most
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similar at day 14, the furthest time point after activation.
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MOFA was also able to capture this day 14 convergence pattern in latent
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factor 5 (Figure
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@@ -5679,7 +5663,7 @@ noprefix "false"
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), which accounts for shared variation across all 3 histone marks and the
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RNA-seq data, confirming that this convergence is a coordinated pattern
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across all 4 data sets.
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- While this observation does not prove that the naive cells have differentiated
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+ While this observation does not prove that the naïve cells have differentiated
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into memory cells at Day 14, it is consistent with that hypothesis.
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\end_layout
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@@ -5908,7 +5892,7 @@ name "fig:H3K4me2-neighborhood"
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\end_inset
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-K-means clustering of promoter H3K4me2 relative coverage depth in naive
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+K-means clustering of promoter H3K4me2 relative coverage depth in naïve
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day 0 samples.
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\series default
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@@ -5999,7 +5983,7 @@ landscape
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\begin_inset Quotes erd
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\end_inset
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- of ChIP-seq read coverage in naive Day 0 samples within 5 kb of each gene's
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+ of ChIP-seq read coverage in naïve Day 0 samples within 5 kb of each gene's
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TSS by binning reads into 500-bp windows tiled across each promoter LogCPM
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values were calculated for the bins in each promoter and then the average
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logCPM for each promoter's bins was normalized to zero, such that the values
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@@ -6130,7 +6114,7 @@ Should have a table of p-values on difference of means between Cluster 5
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\begin_layout Standard
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To investigate the association between relative peak position and gene expressio
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-n, we plotted the Naive Day 0 expression for the genes in each cluster (Figure
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+n, we plotted the Naïve Day 0 expression for the genes in each cluster (Figure
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\begin_inset CommandInset ref
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LatexCommand ref
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@@ -6364,7 +6348,7 @@ name "fig:H3K4me3-neighborhood"
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\end_inset
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-K-means clustering of promoter H3K4me3 relative coverage depth in naive
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+K-means clustering of promoter H3K4me3 relative coverage depth in naïve
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day 0 samples.
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\series default
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@@ -6672,7 +6656,7 @@ name "fig:H3K27me3-neighborhood"
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\end_inset
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-K-means clustering of promoter H3K27me3 relative coverage depth in naive
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+K-means clustering of promoter H3K27me3 relative coverage depth in naïve
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day 0 samples.
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\series default
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@@ -7125,7 +7109,7 @@ Look up some more references for these histone marks being involved in memory
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\begin_layout Standard
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We have observed that all 3 histone marks and the gene expression data all
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- exhibit evidence of convergence in abundance between naive and memory cells
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+ exhibit evidence of convergence in abundance between naïve and memory cells
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by day 14 after activation (Figure
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\begin_inset CommandInset ref
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LatexCommand ref
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@@ -7161,13 +7145,13 @@ noprefix "false"
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Like all the latent factors in this plot, this factor explains a substantial
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portion of the variance in all 4 data sets, indicating a coordinated pattern
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of variation shared across all histone marks and gene expression.
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- This, of course, is consistent with the expectation that any naive CD4
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+ This, of course, is consistent with the expectation that any naïve CD4
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T-cells remaining at day 14 should have differentiated into memory cells
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by that time, and should therefore have a genomic state similar to memory
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cells.
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This convergence is evidence that these histone marks all play an important
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- role in the naive-to-memory differentiation process.
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- A histone mark that was not involved in naive-to-memory differentiation
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+ role in the naïve-to-memory differentiation process.
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+ A histone mark that was not involved in naïve-to-memory differentiation
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would not be expected to converge in this way after activation.
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\end_layout
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@@ -7235,7 +7219,7 @@ Reproduced with permission.
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\begin_layout Standard
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In H3K4me2, H3K4me3, and RNA-seq, this convergence appears to be in progress
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- already by Day 5, shown by the smaller distance between naive and memory
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+ already by Day 5, shown by the smaller distance between naïve and memory
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cells at day 5 along the
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\begin_inset Formula $y$
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\end_inset
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@@ -7282,7 +7266,7 @@ noprefix "false"
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\end_inset
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-, which shows the pattern of H3K4 methylation and expression for naive cells
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+, which shows the pattern of H3K4 methylation and expression for naïve cells
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and memory cells converging at day 5.
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This model was developed without the benefit of the PCoA plots in Figure
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@@ -7304,11 +7288,11 @@ noprefix "false"
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\end_layout
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\begin_layout Standard
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-While the ideal comparison to demonstrate this convergence would be naive
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+While the ideal comparison to demonstrate this convergence would be naïve
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cells at day 14 to memory cells at day 0, this is not feasible in this
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- experimental system, since neither naive nor memory cells are able to fully
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+ experimental system, since neither naïve nor memory cells are able to fully
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return to their pre-activation state, as shown by the lack of overlap between
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- days 0 and 14 for either naive or memory cells in Figure
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+ days 0 and 14 for either naïve or memory cells in Figure
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\begin_inset CommandInset ref
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LatexCommand ref
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reference "fig:PCoA-promoters"
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@@ -7833,14 +7817,14 @@ sphere of influence
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\end_layout
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\begin_layout Subsection
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-Design experiments to focus on post-activation convergence of naive & memory
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+Design experiments to focus on post-activation convergence of naïve & memory
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cells
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\end_layout
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\begin_layout Standard
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-In this study, a convergence between naive and memory cells was observed
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+In this study, a convergence between naïve and memory cells was observed
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in both the pattern of gene expression and in epigenetic state of the 3
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- histone marks studied, consistent with the hypothesis that any naive cells
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+ histone marks studied, consistent with the hypothesis that any naïve cells
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remaining 14 days after activation have differentiated into memory cells,
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and that both gene expression and these histone marks are involved in this
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differentiation.
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@@ -7852,8 +7836,8 @@ In this study, a convergence between naive and memory cells was observed
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experiment, the cells are not guaranteed to return to their original pre-activa
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tion state, or perhaps this process takes substantially longer than 14 days.
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This is a challenge for the convergence hypothesis because the ideal comparison
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- to prove that naive cells are converging to a resting memory state would
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- be to compare the final naive time point to the Day 0 memory samples, but
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+ to prove that naïve cells are converging to a resting memory state would
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+ be to compare the final naïve time point to the Day 0 memory samples, but
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this comparison is only meaningful if memory cells generally return to
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the same
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\begin_inset Quotes eld
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@@ -7884,12 +7868,12 @@ resting
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state after each activation, even if this state is different from the initial
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resting state at Day 0.
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- If so, it will be possible to compare the final states of both naive and
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+ If so, it will be possible to compare the final states of both naïve and
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memory cells to show that they converge despite different initial conditions.
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\end_layout
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\begin_layout Standard
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-In addition, if naive-to-memory convergence is a general pattern, it should
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+In addition, if naïve-to-memory convergence is a general pattern, it should
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also be detectable in other epigenetic marks, including other histone marks
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and DNA methylation.
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An experiment should be designed studying a large number of epigenetic
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