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Maternal influences on the transmission of leukocyte gene expression profiles in population samples (mother and child)

ABSTRACT: This study contrasts the expression profiles of peripheral blood leukocytes from third trimester pregnant mothers, with cord blood leukocytes from their newborn children. It is a companion to (GSE21311). After normalization for RNA integrity, major principal components of the variation were found to distinguish individuals. Transmission of gene expression profiles from mother to child was documented, along with differences between gestational diabetic, obese, and normal weight mothers and their children.

ORGANISM(S): Homo sapiens

PROVIDER: GSE21342 | GEO | 2011/01/01

SECONDARY ACCESSION(S): PRJNA129509

REPOSITORIES: GEO

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Maternal influences on the transmission of leukocyte gene expression profiles in population samples (mother and child)

Project description:This study contrasts the expression profiles of peripheral blood leukocytes from third trimester pregnant mothers, with cord blood leukocytes from their newborn children. It is a companion to (GSE21311). After normalization for RNA integrity, major principal components of the variation were found to distinguish individuals. Transmission of gene expression profiles from mother to child was documented, along with differences between gestational diabetic, obese, and normal weight mothers and their children. 56 individulas (Brisbane, Australia) were sampled for the mother-newborn study, under informed consent. 19 mothers sample were collected in the last month of pregnancy (between 30th and 36th week of pregnancy) and 37 cord blood samples were obtained at birth from newborn babies. Mothers having BMI values over 30 before pregnancy were classified as obese. From the 37 newborn babies, 10 were born to obese mothers, 8 to gestational diabetic mothers (with a wide range of body mass indices), and 19 to normal-weight mothers. There were 16 mother-newborn pairs in the dataset. RNA from each was hybridized to an Illumina HT12 array.

2011-01-01 | E-GEOD-21342 | biostudies-arrayexpress

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Maternal influences on the transmission of leukocyte gene expression profiles in population samples (Red Cross Donors)

Project description:This is a companion study to (GSE21342). Peripheral blood leukocyte samples were obtained with consent from 100 red cross blood donors sampled cross-sectionally across the city of Brisbane, Australia. After correction for RNA integrity values, individuals fall into major profiles of expression variation suggesting environmental and cultural influences on immune gene expression. 100 individuals, 50 men and 50 women, were sampled with permission of the Red Cross Society of Australia and under informed consent. The age of individulas were between 18 and 68 (mean 44). BMI ranged from 17.7 to 51.3 with a mean of 26.6. Collection was carried out by EM at mobile Red Cross vans at 10 locations (Bellbowrie, Capalaba, Dayboro, Eagle Farm, Kenmore, Mount Ommaney, South Brisbane, St Lucia, Virginia, and Woolloongabba) distributed across the city.

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