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Effects of maternal choline intake on placental gene expression - GSE39290

Purpose

To explore the influence of maternal choline intake on placental gene expression, we employed whole genome microarray expression profiling to identify genes that were differentially expressed in placental tissues obtained from women consuming two different doses (480 vs. 930 mg/d) of choline throughout the third trimester of pregnancy. Healthy third trimester (gestational week 26-29) pregnant women were randomized to a 12-week choline controlled feeding study. The participants consumed either 480 (n=6) or 930 (n=6) mg choline/d. Full thickness placental samples were collected at delivery to extract RNA and perform the arrays.

Hypothesis

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Experimental Design

Healthy third trimester (gestational week 26-29) pregnant women were randomized to a 12-week choline controlled feeding study. The participants consumed either 480 (n=6) or 930 (n=6) mg choline/d for 12 weeks. Placental samples were obtained at delivery

Experimental Variables

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Controls

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Methods

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Additional Information

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Microarray
Agilent 014850 v1
12 Samples Loaded: 12
Human (Homo sapiens)
placenta
480 mg choline, 930 mg choline
Sample Set Spreadsheet
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Samples Preview
Sample ID !Sample_title mode of delivery tissue gestational age at delivery participants group
GSM960125 L1-480choline C-section placenta 40 healthy third trimester (gestational week 26-29) pregnant women
GSM960126 L2-480choline vaginal placenta 40 healthy third trimester (gestational week 26-29) pregnant women
GSM960127 L3-480choline vaginal placenta 40 healthy third trimester (gestational week 26-29) pregnant women
GSM960128 L4-480choline vaginal placenta 41.6 healthy third trimester (gestational week 26-29) pregnant women
GSM960129 L5-480choline vaginal placenta 41 healthy third trimester (gestational week 26-29) pregnant women
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Sample ID !Sample Title Mode of delivery Tissue Gestational age at delivery Participants group Gender of baby Choline intake for 12 weeks
GSM960125
L1-480choline
C-section
placenta
40
healthy third trimester (gestational week 26-29) pregnant women
female
480 mg/d
GSM960126
L2-480choline
vaginal
placenta
40
healthy third trimester (gestational week 26-29) pregnant women
male
480 mg/d
GSM960127
L3-480choline
vaginal
placenta
40
healthy third trimester (gestational week 26-29) pregnant women
male
480 mg/d
GSM960128
L4-480choline
vaginal
placenta
41.6
healthy third trimester (gestational week 26-29) pregnant women
male
480 mg/d
GSM960129
L5-480choline
vaginal
placenta
41
healthy third trimester (gestational week 26-29) pregnant women
male
480 mg/d
GSM960130
L6-480choline
vaginal
placenta
40
healthy third trimester (gestational week 26-29) pregnant women
male
480 mg/d
GSM960131
H1-930choline
vaginal
placenta
40
healthy third trimester (gestational week 26-29) pregnant women
female
930 mg/d for 12 wks
GSM960132
H2-930choline
vaginal
placenta
40
healthy third trimester (gestational week 26-29) pregnant women
male
930 mg/d for 12 wks
GSM960133
H3-930choline
vaginal
placenta
40
healthy third trimester (gestational week 26-29) pregnant women
female
930 mg/d for 12 wks
GSM960134
H4-930choline
vaginal
placenta
40
healthy third trimester (gestational week 26-29) pregnant women
male
930 mg/d for 12 wks
GSM960135
H5-930choline
vaginal
placenta
40
healthy third trimester (gestational week 26-29) pregnant women
male
930 mg/d for 12 wks
GSM960136
H6-930choline
vaginal
placenta
40
healthy third trimester (gestational week 26-29) pregnant women
male
930 mg/d for 12 wks

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