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GSE68618

GSE GEO
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Aging-dependent demethylation of regulatory elements correlates with chromatin state and improved insulin secretion by pancreatic β cells

Organism: Mus musculus
Platform: GPL13112
Samples: 16
Experiment Types:
Expression profiling by high throughput sequencing Genome binding/occupancy profiling by high throughput sequencing Methylation profiling by high throughput sequencing
Submitted: May 06 2015
Last Updated: May 15 2019
Status: Public on Sep 01 2015
Contact: Dana,,Avrahami Tzfati (Hadassah Hebrew University School of medicine)

Relations

BioProject: https://www.ncbi.nlm.nih.gov/bioproject/PRJNA284579 SRA: https://www.ncbi.nlm.nih.gov/sra?term=SRP058569

Summary

Aging at the cellular level is driven by changes in gene activity and epigenetic state that are only partially understood. We performed a comprehensive epigenomic analysis of the pancreatic β cell, key player in glucose homeostasis and diabetes, in adolescent and very old mice. Globally, we observe a general methylation drift resulting in an overall more leveled methylome, suggesting that the maintenance of highly differential methylation patterns becomes compromised with advanced age. Importantly, we discover targeted changes in the methylation status of β cell proliferation and function genes that go against the global methylation drift, are specific to β cells, and correlate with repression of the proliferation program and activation of metabolic regulators. These targeted alterations frequently occur at distal cis-regulator elements, and are associated with specific chromatin marks and transcription factor occupancy in young β cells. Strikingly, we find the insulin secretory response to glucose much improved in mature β cells in mice, as predicted by the changes in methylome and transcriptome and in contrast to the decline in function observed in aged human β cells. Thus, aging of terminally differentiated cells in mammals is not always coupled to functional decline.

Overall Design

RNA-seq was done on 3 biological replicas from old and three from young beta cells. each sample originated from a pool of 5-10 mic.e H3K27me3 ChIP-seq was done with two replicas for old mice (pool of 4-7 mice) and the rest of the ChIPseq (H3K4me1, H3K27ac and young H3K27me3) was sone with one sample (pool of few mice). BIS-seq was done on one sample from a pool of 10 young mice and one sample of a pool of old mice (18-22 months old)

Analysis (11 steps)

View Data Processing
Processing steps for GSE68618
  1. Illumina Casava-1.8.2 software was used for basecalling.
  2. RNA-Seq: Low quality reads as well as ribosomal and other repeat sequences were filtered out before alignment.
  3. RUM software was used for aligning reads to mouse genome mm9 and Refseq transcriptome and for transcript quantitation.
  4. Differential expression analysis was carried out using a custom script implementing EdgeR software.
  5. ChIP-Seq: Reads were aligned to mm9 genome using bowtie version 0.12.7 with parameters -v 3 -k 1 -m 1 --best --strata.
  6. Redundant reads were discarded before creating bedgraph profiles.
  7. Peak calling was done using HOMER for H3K4me1 and H3K27Ac marks at FDR=0.01 with respect to corresponding Input.
  8. Peak calling using STAR was done for H3K27me3 marks at FDR=0.01.
Showing first 8 steps.

Supplementary Files (3)

GSE68618_RAW.tar Download
GSE68618_RawReadCounts.txt.gz Download
GSE68618_TrancriptFPKMCounts.txt.gz Download
GEO Samples (16)

Dataset Citations (1)

SRA Experiments (16) and Runs (38)

Total: 184071 MB
SRX1035135 SRP058569 RNA-Seq SINGLE
GSM1677151: OldBeta_Rep1_RNASeq; Mus musculus; RNA-Seq
Sample: SRS942558
BioProject: PRJNA284579
BioSample: SAMN03703607
Platform: ILLUMINA
Instrument: Illumina HiSeq 2000
Organism: Mus musculus
Sample attributes
source_name: Pancreatic Beta Cells
age: 15 months
strain: MIP-GFP/Bl6
antibody: N/A
Original files (1)
Pancreatic Beta Cells
Runs (4)
Run Spots Bases Size (MB) Files Link
SRR2034956 22141344 2214134400 1412.86 SRR2034956, SRR2034956.sralite, FGC0415_s_7_ATGTCA.fastq.gz SRA
SRR2034957 22181520 2218152000 1417.4 SRR2034957, SRR2034957.sralite, FGC0415_s_8_ATGTCA.fastq.gz SRA
SRR2034958 19525525 1952552500 1223.13 SRR2034958, SRR2034958.sralite, FGC0445_s_7_ATGTCA.fastq.gz SRA
SRR2034959 19577331 1957733100 1199.95 SRR2034959, SRR2034959.sralite, FGC0445_s_8_ATGTCA.fastq.gz SRA
SRX1035136 SRP058569 RNA-Seq SINGLE
GSM1677152: OldBeta_Rep2_RNASeq; Mus musculus; RNA-Seq
Sample: SRS942557
BioProject: PRJNA284579
BioSample: SAMN03703608
Platform: ILLUMINA
Instrument: Illumina HiSeq 2000
Organism: Mus musculus
Sample attributes
source_name: Pancreatic Beta Cells
age: 16 months
strain: MIP-GFP/Bl6
antibody: N/A
Original files (1)
Pancreatic Beta Cells
Runs (4)
Run Spots Bases Size (MB) Files Link
SRR2034960 23047030 2304703000 1486.04 SRR2034960, SRR2034960.sralite, FGC0415_s_7_CCGTCC.fastq.gz SRA
SRR2034961 23061548 2306154800 1489.27 FGC0415_s_8_CCGTCC.fastq.gz, SRR2034961, SRR2034961.sralite SRA
SRR2034962 18908068 1890806800 1196.75 SRR2034962, SRR2034962.sralite, FGC0445_s_7_CCGTCC.fastq.gz SRA
SRR2034963 18923131 1892313100 1173.26 SRR2034963, SRR2034963.sralite, FGC0445_s_8_CCGTCC.fastq.gz SRA
SRX1035137 SRP058569 RNA-Seq SINGLE
GSM1677153: OldBeta_Rep3_RNASeq; Mus musculus; RNA-Seq
Sample: SRS942556
BioProject: PRJNA284579
BioSample: SAMN03703609
Platform: ILLUMINA
Instrument: Illumina HiSeq 2000
Organism: Mus musculus
Sample attributes
source_name: Pancreatic Beta Cells
age: 17 months
strain: MIP-GFP/Bl6
antibody: N/A
Original files (1)
Pancreatic Beta Cells
Runs (4)
Run Spots Bases Size (MB) Files Link
SRR2034964 15904217 1590421700 1025.78 FGC0415_s_7_GTCCGC.fastq.gz, SRR2034964, SRR2034964.sralite SRA
SRR2034965 15916060 1591606000 1028.01 SRR2034965, SRR2034965.sralite, FGC0415_s_8_GTCCGC.fastq.gz SRA
SRR2034966 20128736 2012873600 1272.7 FGC0445_s_7_GTCCGC.fastq.gz, SRR2034966, SRR2034966.sralite SRA
SRR2034967 20164694 2016469400 1248.67 FGC0445_s_8_GTCCGC.fastq.gz, SRR2034967, SRR2034967.sralite SRA
SRX1035138 SRP058569 RNA-Seq SINGLE
GSM1677154: YoungBeta_Rep1_RNASeq; Mus musculus; RNA-Seq
Sample: SRS942555
BioProject: PRJNA284579
BioSample: SAMN03703610
Platform: ILLUMINA
Instrument: Illumina HiSeq 2000
Organism: Mus musculus
Sample attributes
source_name: Pancreatic Beta Cells
age: 4-6 weeks
strain: MIP-GFP/Bl6
antibody: N/A
Original files (1)
Pancreatic Beta Cells
Runs (4)
Run Spots Bases Size (MB) Files Link
SRR2034968 20083205 2008320500 1274.82 FGC0415_s_7_CTTGTA.fastq.gz, SRR2034968, SRR2034968.sralite SRA
SRR2034969 20100434 2010043400 1277.8 SRR2034969, SRR2034969.sralite, FGC0415_s_8_CTTGTA.fastq.gz SRA
SRR2034970 19527195 1952719500 1218.77 SRR2034970, SRR2034970.sralite, FGC0445_s_7_CTTGTA.fastq.gz SRA
SRR2034971 19567945 1956794500 1195.26 FGC0445_s_8_CTTGTA.fastq.gz, SRR2034971, SRR2034971.sralite SRA
SRX1035139 SRP058569 RNA-Seq SINGLE
GSM1677155: YoungBeta_Rep2_RNASeq; Mus musculus; RNA-Seq
Sample: SRS942554
BioProject: PRJNA284579
BioSample: SAMN03703611
Platform: ILLUMINA
Instrument: Illumina HiSeq 2000
Organism: Mus musculus
Sample attributes
source_name: Pancreatic Beta Cells
age: 4-6 weeks
strain: MIP-GFP/Bl6
antibody: N/A
Original files (1)
Pancreatic Beta Cells
Runs (4)
Run Spots Bases Size (MB) Files Link
SRR2034972 20982899 2098289900 1340.64 SRR2034972, SRR2034972.sralite, FGC0415_s_7_AGTCAA.fastq.gz SRA
SRR2034973 21023711 2102371100 1344.64 FGC0415_s_8_AGTCAA.fastq.gz, SRR2034973, SRR2034973.sralite SRA
SRR2034974 18503219 1850321900 1160.75 SRR2034974, SRR2034974.sralite, FGC0445_s_7_AGTCAA.fastq.gz SRA
SRR2034975 18546085 1854608500 1138.55 FGC0445_s_8_AGTCAA.fastq.gz, SRR2034975, SRR2034975.sralite SRA
SRX1035140 SRP058569 ChIP-Seq SINGLE
GSM1677156: OldBeta_H3K4me1_ChIP; Mus musculus; ChIP-Seq
Sample: SRS942553
BioProject: PRJNA284579
BioSample: SAMN03703612
Platform: ILLUMINA
Instrument: Illumina HiSeq 2000
Organism: Mus musculus
Sample attributes
source_name: Pancreatic Beta Cells
age: 16-18 months
strain: C57BL6
antibody: H3K4me1, ab8895, Abcam
Original files (1)
Pancreatic Beta Cells
Runs (1)
Run Spots Bases Size (MB) Files Link
SRR2034976 33218109 1660905450 1034.12 FGC0277_s_2_GCCAAT.fastq.gz, SRR2034976, SRR2034976.sralite SRA
SRX1035141 SRP058569 ChIP-Seq SINGLE
GSM1677157: OldBeta_H3K27me3_ChIP; Mus musculus; ChIP-Seq
Sample: SRS942552
BioProject: PRJNA284579
BioSample: SAMN03703613
Platform: ILLUMINA
Instrument: Illumina HiSeq 2000
Organism: Mus musculus
Sample attributes
source_name: Pancreatic Beta Cells
age: 16-18 months
strain: C57BL6
antibody: H3K27me3, 07-449, upstate
Original files (1)
Pancreatic Beta Cells
Runs (2)
Run Spots Bases Size (MB) Files Link
SRR2034977 57900812 2895040600 1574.77 FGC0605_s_7_GAGTGG.fastq.gz, SRR2034977, SRR2034977.sralite SRA
SRR2034978 53456507 2672825350 1431.0 SRR2034978, SRR2034978.sralite, FGC0605_s_8_GAGTGG.fastq.gz SRA
SRX1035142 SRP058569 ChIP-Seq SINGLE
GSM1677158: OldBeta_H3K4me1_Input; Mus musculus; ChIP-Seq
Sample: SRS942551
BioProject: PRJNA284579
BioSample: SAMN03703614
Platform: ILLUMINA
Instrument: Illumina HiSeq 2000
Organism: Mus musculus
Sample attributes
source_name: Pancreatic Beta Cells
age: 16-18 months
strain: C57BL6
antibody: N/A
Original files (1)
Pancreatic Beta Cells
Runs (1)
Run Spots Bases Size (MB) Files Link
SRR2034979 43583834 2179191700 1347.4 FGC0277_s_2_TGACCA.fastq.gz, SRR2034979, SRR2034979.sralite SRA
SRX1035143 SRP058569 ChIP-Seq SINGLE
GSM1677159: OldBeta_H3K27me3_Input; Mus musculus; ChIP-Seq
Sample: SRS942550
BioProject: PRJNA284579
BioSample: SAMN03703615
Platform: ILLUMINA
Instrument: Illumina HiSeq 2000
Organism: Mus musculus
Sample attributes
source_name: Pancreatic Beta Cells
age: 16-18 months
strain: C57BL6
antibody: N/A
Original files (1)
Pancreatic Beta Cells
Runs (1)
Run Spots Bases Size (MB) Files Link
SRR2034980 65226664 3261333200 1785.34 SRR2034980.sralite, SRR2034980, FGC0857_s_1_CTTGTA.fastq.gz SRA
SRX1035144 SRP058569 ChIP-Seq SINGLE
GSM1677160: YoungBeta_H3K4me1_ChIP; Mus musculus; ChIP-Seq
Sample: SRS942549
BioProject: PRJNA284579
BioSample: SAMN03703616
Platform: ILLUMINA
Instrument: Illumina HiSeq 2000
Organism: Mus musculus
Sample attributes
source_name: Pancreatic Beta Cells
age: 4-6 weeks
strain: C57BL6
antibody: H3K4me1, ab8895, Abcam
Original files (1)
Pancreatic Beta Cells
Runs (1)
Run Spots Bases Size (MB) Files Link
SRR2034981 36618515 1830925750 1137.74 SRR2034981, SRR2034981.sralite, FGC0277_s_2_ACAGTG.fastq.gz SRA
SRX1035145 SRP058569 ChIP-Seq SINGLE
GSM1677161: YoungBeta_H3K27me3_ChIP; Mus musculus; ChIP-Seq
Sample: SRS942548
BioProject: PRJNA284579
BioSample: SAMN03703617
Platform: ILLUMINA
Instrument: Illumina HiSeq 2000
Organism: Mus musculus
Sample attributes
source_name: Pancreatic Beta Cells
age: 4-6 weeks
strain: C57BL6
antibody: H3K27me3, 07-449, upstate
Original files (1)
Pancreatic Beta Cells
Runs (1)
Run Spots Bases Size (MB) Files Link
SRR2034982 35282435 1764121750 1093.85 SRR2034982, SRR2034982.sralite, FGC0277_s_2_CAGATC.fastq.gz SRA
SRX1035146 SRP058569 ChIP-Seq SINGLE
GSM1677162: YoungBeta_H3K27Ac_ChIP; Mus musculus; ChIP-Seq
Sample: SRS942547
BioProject: PRJNA284579
BioSample: SAMN03703618
Platform: ILLUMINA
Instrument: Illumina HiSeq 2000
Organism: Mus musculus
Sample attributes
source_name: Pancreatic Beta Cells
age: 4-6 weeks
strain: C57BL6
antibody: H3K27Ac, 39685, Active Motif
Original files (1)
Pancreatic Beta Cells
Runs (2)
Run Spots Bases Size (MB) Files Link
SRR2034983 21036907 1051845350 576.39 SRR2034983, SRR2034983.sralite, FGC0605_s_7_GCCAAT.fastq.gz SRA
SRR2034984 19692056 984602800 530.61 FGC0605_s_8_GCCAAT.fastq.gz, SRR2034984, SRR2034984.sralite SRA
SRX1035147 SRP058569 ChIP-Seq SINGLE
GSM1677163: Young_H3K4me1_or_H3K27me3_Input; Mus musculus; ChIP-Seq
Sample: SRS942546
BioProject: PRJNA284579
BioSample: SAMN03703619
Platform: ILLUMINA
Instrument: Illumina HiSeq 2000
Organism: Mus musculus
Sample attributes
source_name: Pancreatic Beta Cells
age: 4-6 weeks
strain: C57BL6
antibody: N/A
Original files (1)
Pancreatic Beta Cells
Runs (1)
Run Spots Bases Size (MB) Files Link
SRR2034985 44157721 2207886050 1364.75 SRR2034985.sralite, SRR2034985, FGC0277_s_2_CGATGT.fastq.gz SRA
SRX1035148 SRP058569 ChIP-Seq SINGLE
GSM1677164: YoungBeta_H3K27Ac_Input; Mus musculus; ChIP-Seq
Sample: SRS942545
BioProject: PRJNA284579
BioSample: SAMN03703620
Platform: ILLUMINA
Instrument: Illumina HiSeq 2000
Organism: Mus musculus
Sample attributes
source_name: Pancreatic Beta Cells
age: 4-6 weeks
strain: C57BL6
antibody: N/A
Original files (1)
Pancreatic Beta Cells
Runs (2)
Run Spots Bases Size (MB) Files Link
SRR2034986 27340897 1367044850 852.06 FGC0466_s_7_GCCAAT.fastq.gz, SRR2034986, SRR2034986.sralite SRA
SRR2034987 27871399 1393569950 875.35 SRR2034987, SRR2034987.sralite, FGC0466_s_8_GCCAAT.fastq.gz SRA
SRX1035149 SRP058569 Bisulfite-Seq PAIRED
GSM1677165: OldBeta_BIS-Seq; Mus musculus; Bisulfite-Seq
Sample: SRS942543
BioProject: PRJNA284579
BioSample: SAMN03703621
Platform: ILLUMINA
Instrument: Illumina HiSeq 2000
Organism: Mus musculus
Sample attributes
source_name: Pancreatic Beta Cells
age: 16-18 months
strain: C57BL6
antibody: N/A
Original files (1)
Pancreatic Beta Cells
Runs (3)
Run Spots Bases Size (MB) Files Link
SRR2034988 97036309 19407261800 12134.95 FGC0225_s_3_1_fastq.gz, SRR2034988, SRR2034988.sralite, FGC0225_s_3_2… SRA
SRR2034989 240688878 48137775600 30498.33 SRR2034989, SRR2034989.sralite, FGC0230_s_1_2_fastq.gz, FGC0230_s_1_1… SRA
SRR2034990 219562678 43912535600 27090.02 FGC0261_s_2_1.fastq.gz, FGC0261_s_2_2.fastq.gz, SRR2034990, SRR203499… SRA
SRX1035150 SRP058569 Bisulfite-Seq PAIRED
GSM1677166: YoungBeta_BIS-Seq; Mus musculus; Bisulfite-Seq
Sample: SRS942544
BioProject: PRJNA284579
BioSample: SAMN03703622
Platform: ILLUMINA
Instrument: Illumina HiSeq 2000
Organism: Mus musculus
Sample attributes
source_name: Pancreatic Beta Cells
age: 4-6 weeks
strain: C57BL6
antibody: N/A
Original files (1)
Pancreatic Beta Cells
Runs (3)
Run Spots Bases Size (MB) Files Link
SRR2034991 197404164 39480832800 24767.67 FGC0220_s_1_1_fastq.gz, SRR2034991, SRR2034991.sralite, FGC0220_s_1_2… SRA
SRR2034992 185532031 37106406200 24140.05 FGC0225_s_1_2_fastq.gz, SRR2034992, FGC0225_s_1_1_fastq.gz, SRR203499… SRA
SRR2034993 213105508 42621101600 26711.49 SRR2034993.sralite, SRR2034993, FGC0260_s_2_2.fastq.gz, FGC0260_s_2_1… SRA

Linked Publications (1)

Data Files (38)

Accession File Name Stored Type Output Type Mapping Assembly Size Download
FGC0220_s_1_1_fastq.gz Bisulfite-Seq 24.2 GB link
FGC0225_s_1_2_fastq.gz Bisulfite-Seq 23.6 GB link
FGC0225_s_3_1_fastq.gz Bisulfite-Seq 11.9 GB link
FGC0261_s_2_1.fastq.gz Bisulfite-Seq 26.5 GB link
SRR2034989 Bisulfite-Seq 29.8 GB link
SRR2034993.sralite Bisulfite-Seq 26.1 GB link
FGC0277_s_2_GCCAAT.fastq.gz ChIP-Seq 1.0 GB link
FGC0277_s_2_TGACCA.fastq.gz ChIP-Seq 1.3 GB link
FGC0466_s_7_GCCAAT.fastq.gz ChIP-Seq 852.1 MB link
FGC0605_s_7_GAGTGG.fastq.gz ChIP-Seq 1.5 GB link
FGC0605_s_8_GCCAAT.fastq.gz ChIP-Seq 530.6 MB link
SRR2034978 ChIP-Seq 1.4 GB link
SRR2034980.sralite ChIP-Seq 1.7 GB link
SRR2034981 ChIP-Seq 1.1 GB link
SRR2034982 ChIP-Seq 1.1 GB link
SRR2034983 ChIP-Seq 576.4 MB link
SRR2034985.sralite ChIP-Seq 1.3 GB link
SRR2034987 ChIP-Seq 875.3 MB link
FGC0415_s_7_CTTGTA.fastq.gz RNA-Seq 1.2 GB link
FGC0415_s_7_GTCCGC.fastq.gz RNA-Seq 1.0 GB link
FGC0415_s_8_AGTCAA.fastq.gz RNA-Seq 1.3 GB link
FGC0415_s_8_CCGTCC.fastq.gz RNA-Seq 1.5 GB link
FGC0445_s_7_GTCCGC.fastq.gz RNA-Seq 1.2 GB link
FGC0445_s_8_AGTCAA.fastq.gz RNA-Seq 1.1 GB link
FGC0445_s_8_CTTGTA.fastq.gz RNA-Seq 1.2 GB link
FGC0445_s_8_GTCCGC.fastq.gz RNA-Seq 1.2 GB link
SRR2034956 RNA-Seq 1.4 GB link
SRR2034957 RNA-Seq 1.4 GB link
SRR2034958 RNA-Seq 1.2 GB link
SRR2034959 RNA-Seq 1.2 GB link
SRR2034960 RNA-Seq 1.5 GB link
SRR2034962 RNA-Seq 1.2 GB link
SRR2034963 RNA-Seq 1.1 GB link
SRR2034965 RNA-Seq 1.0 GB link
SRR2034969 RNA-Seq 1.2 GB link
SRR2034970 RNA-Seq 1.2 GB link
SRR2034972 RNA-Seq 1.3 GB link
SRR2034974 RNA-Seq 1.1 GB link