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- Choline (3)
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- DNA methylation (1)
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- High-Speed Countercurrent Chromatography (1)
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Articles 1 - 4 of 4
Full-Text Articles in Nutrition
Maternal Choline And Betaine Supplementation Modifies The Placental Response To Hyperglycemia In Mice And Human Trophoblasts, Khatia Nanobashvili, Chauntelle Jack-Roberts, Rachel Bretter, Naudia Jones, Kathleen Axen, Anjana Saxena, Kali Blain, Xinyin Jiang
Maternal Choline And Betaine Supplementation Modifies The Placental Response To Hyperglycemia In Mice And Human Trophoblasts, Khatia Nanobashvili, Chauntelle Jack-Roberts, Rachel Bretter, Naudia Jones, Kathleen Axen, Anjana Saxena, Kali Blain, Xinyin Jiang
Publications and Research
Gestational diabetes mellitus (GDM) is characterized by excessive placental fat and glucose transport, resulting in fetal overgrowth. Earlier we demonstrated that maternal choline supplementation normalizes fetal growth in GDM mice at mid-gestation. In this study, we further assess how choline and its oxidation product betaine influence determinants of placental nutrient transport in GDM mice and human trophoblasts. C57BL/6J mice were fed a high-fat (HF) diet 4 weeks prior to and during pregnancy to induce GDM or fed a control normal fat (NF) diet. The HF mice also received 25 mM choline, 85 mM betaine, or control drinking water. We observed …
Maternal Choline Supplementation During Normal Murine Pregnancy Alters The Placental Epigenome: Results Of An Exploratory Study, Sze Ting (Cecilia) Kwan, Julia H. King, Jennifer K. Grenier, Jian Yan, Xinyin Jiang, Mark S. Roberson, Marie A. Caudill
Maternal Choline Supplementation During Normal Murine Pregnancy Alters The Placental Epigenome: Results Of An Exploratory Study, Sze Ting (Cecilia) Kwan, Julia H. King, Jennifer K. Grenier, Jian Yan, Xinyin Jiang, Mark S. Roberson, Marie A. Caudill
Publications and Research
The placental epigenome regulates processes that affect placental and fetal development, and could be mediating some of the reported effects of maternal choline supplementation (MCS) on placental vascular development and nutrient delivery. As an extension of work previously conducted in pregnant mice, the current study sought to explore the effects of MCS on various epigenetic markers in the placenta. RNA and DNA were extracted from placentas collected on embryonic day 15.5 from pregnant mice fed a 1X or 4X choline diet, and were subjected to genome-wide sequencing procedures or mass-spectrometry-based assays to examine placental imprinted gene expression, DNA methylation patterns, …
Choline Supplementation Normalizes Fetal Adiposity And Reduces Lipogenic Gene Expression In A Mouse Model Of Maternal Obesity, Chauntelle Jack-Roberts, Yaelle Joselit, Khatia Nanobashvili, Rachel Bretter, Olga V. Malysheva, Marie A. Caudill, Anjana Saxena, Kathleen Axen, Ahmed Gomaa, Xinyin Jiang
Choline Supplementation Normalizes Fetal Adiposity And Reduces Lipogenic Gene Expression In A Mouse Model Of Maternal Obesity, Chauntelle Jack-Roberts, Yaelle Joselit, Khatia Nanobashvili, Rachel Bretter, Olga V. Malysheva, Marie A. Caudill, Anjana Saxena, Kathleen Axen, Ahmed Gomaa, Xinyin Jiang
Publications and Research
Maternal obesity increases fetal adiposity which may adversely affect metabolic health of the offspring. Choline regulates lipid metabolism and thus may influence adiposity. This study investigates the effect of maternal choline supplementation on fetal adiposity in a mouse model of maternal obesity. C57BL/6J mice were fed either a high-fat (HF) diet or a control (NF) diet and received either 25 mM choline supplemented (CS) or control untreated (CO) drinking water for 6 weeks before timed-mating and throughout gestation. At embryonic day 17.5, HF feeding led to higher (p < 0.05) percent total body fat in fetuses from the HFCO group, while the choline supplemented HFCS group did not show significant difference versus the NFCO group. Similarly, HF feeding led to higher (p < 0.05) hepatic triglyceride accumulation in the HFCO but not the HFCS fetuses. mRNA levels of lipogenic genes such as Acc1, Fads1, and Elovl5, as well as the transcription factor Srebp1c that favors lipogenesis were downregulated (p < 0.05) by maternal choline supplementation in the HFCS group, which may serve as a mechanism to reduce fat accumulation in the fetal liver during maternal HF feeding. In summary, maternal choline supplementation improves indices of fetal adiposity in obese dams at late gestation.
The Passiflora Tripartita (Banana Passion) Fruit: A Source Of Bioactive Flavonoid C-Glycosides Isolated By Hsccc And Characterized By Hplc–Dad–Esi/Ms/Ms, Mario J. Simirgiotis, Guillermo Schmeda-Hirschmann, Jorge Bórquez, Edward J. Kennelly
The Passiflora Tripartita (Banana Passion) Fruit: A Source Of Bioactive Flavonoid C-Glycosides Isolated By Hsccc And Characterized By Hplc–Dad–Esi/Ms/Ms, Mario J. Simirgiotis, Guillermo Schmeda-Hirschmann, Jorge Bórquez, Edward J. Kennelly
Publications and Research
The banana passion fruit (Passiflora tripartita Breiter, Passifloraceae) known as “tumbo” is very appreciated in tropical and subtropical countries of South America. Methanolic extracts from peel and the fruit juice of P. tripartita growing in Chile were analyzed for antioxidant capacity as well as for flavonoid and phenolic content. A chromatographic method was developed for the rapid identification of the main phenolics in the samples by HPLC-DAD and HPLC-MS. The fast fingerprint analysis allowed the detection of eighteen flavonoid C-glycosides and four flavonoid O-glycoside derivatives which were characterized by UV spectra and ESI-MS-MS analysis. Several of the C-glycosides detected are …