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Genome-wide profiling and validation for forensic tissue-specific DNA methylation markers

ABSTRACT: Forensic body fluid identification is important for crime scene reconstruction. We used Illumina HumanMethylation 450K bead array containing over the 450,000 CpG sites in 16 body fluid samples to find novel DNA methylation marker for forensic body fluid identification.

ORGANISM(S): Homo sapiens

PROVIDER: GSE55734 | GEO | 2014/07/31

SECONDARY ACCESSION(S): PRJNA240847

REPOSITORIES: GEO

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Genome-wide profiling and validation for forensic tissue-specific DNA methylation markers

Project description:Forensic body fluid identification is important for crime scene reconstruction. We used Illumina HumanMethylation 450K bead array containing over the 450,000 CpG sites in 16 body fluid samples to find novel DNA methylation marker for forensic body fluid identification. Examination of genome-wide DNA methylation profiling in 16 body fluid samples

2014-07-31 | E-GEOD-55734 | biostudies-arrayexpress

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miRNA expression data from saliva, blood, semen and vaginal swap

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Project description:The ability to predict the type of tissues or cells from molecular profiles of crime scene samples has practical implications in forensics. In order to identify body fluid-specific DNA methylation changes, genome-wide DNA methylation profiling was carried out for body fluids including menstrual blood and vaginal fluid obtained from 3 female donors aged 19, 27 and 38 years. The Illumina Infinium 450k Human DNA methylation Beadchip was used to obtain DNA methylation profiles across approximately 450,000 CpGs in bisulfite converted DNA. Samples included 3 of each vaginal fluid and menstrual bloods collected on the first, second and third days of menstrual bleeding.

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Genome-wide methylation profiles of forensically relevant body fluids [Set1]

Project description:The ability to predict tissue type and donor’s age from molecular profiles of crime scene samples has practical implications in forensics. In order to identify body fluid- and age-associated DNA methylation changes, genome-wide DNA methylation profiling was carried out for body fluids including blood, saliva, semen, menstrual blood, and vaginal fluid obtained from individuals aged 20 to 59. The Illumina Infinium 450k Human DNA methylation Beadchip was used to obtain DNA methylation profiles across approximately 450,000 CpGs in bisulfite converted DNA. Samples included 12 of each blood, saliva and semen samples from 18 male donors aged 20 to 59, and 3 of each vaginal fluid and menstrual blood samples from 4 female donors in their twenties. Genome-wide DNA methylation profiling of body fluids obtained from young and old individuals. The Illumina Infinium 450K Human DNA methylation Beadchip was used to obtain DNA methylation profiles across approximately 450K CpGs from human body fluids including blood, saliva, semen, vaginal fluid and menstrual blood. Bisulfite converted DNA from the 24 samples were hybridised to the Illumina Infinium 450k Human Methylation Beadchip

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