BIX-01294 promotes the differentiation of adipose mesenchymal stem cells into adipocytes and neural cells in Arbas Cashmere goats
RESEARCH IN VETERINARY SCIENCE
Authors: Wang, Qing; Wang, Xiao; Lai, Defang; Deng, Jin; Hou, Zhuang; Liang, Hao; Liu, Dongjun
Abstract
Chromatin remodeling plays an essential role in regulating gene transcription. BIX-01294 is a specific inhibitor of histone methyltransferase G9a, which is responsible for methylation of histone H3 lysine 9 (H3K9) that can also regulate DNA methylation and chromatin remodeling. The purpose of this study was to investigate the effects of BIX-01294 on the potential of goat adipose derived stem cells (gADSCs) to differentiate into adipocytes and neural cells. To accomplish this, BIX-01294 was used to treat gADSCs for 24 h, and the global level of DNA methylation as well as the expression of genes related to cell proliferation, apoptosis and pluripotency were detected. At the same time, the cells were induced to differentiate into adipocytes and neural cells, and the transcription levels of related marker factors were examined. We found that BIX-01294 treatment reduced the level of DNA methylation and increased the level of gADSCs hydroxylmethylation. The translation level of NANOG increased, whereas Oct4, Sox2 levels decreased. Our results suggest that BIX-01294 may rely on the NANOG regulatory network to promote gADSCs differentiation. We found that both the lipid droplet level in adipocytes and the transcription levels of the adipocyte specific factors Fabp4, ADIPOQ, and Leptin increased after treatment. ENO2 and RBFOX3 transcription levels were also elevated in the differentiated neural cells after treatment. These results indicated that BIX-01294 treatment promoted the differentiation of gADSCs into adipocytes and neural cells. Our findings provide new ideas for improving the differentiation potential of gADSCs and expanding possible application for gADSCs.
Role of the variant in adiponectin gene rs266729 on weight loss and cardiovascular risk factors after a hypocaloric diet with the Mediterranean pattern
NUTRITION
Authors: Antonio de Luis, Daniel; Primo, David; Izaola, Olatz; Gomez Hoyos, Emilia; Lopez Gomez, Juan Jose; Ortola, Ana; Aller, Rocio
Abstract
Objectives: The role of ADIPOQ gene variants on weight loss after a dietary intervention remain unclear. The aim of this study was to analyze the effects of rs266729 of the ADIPOQ gene on cardiovascular risk factors and adiposity parameters after adherence to a Mediterranean-type hypocaloric diet. Method: Eighty-three obese patients were studied before and after 12 wk on a Mediterranean-type hypo-caloric diet. Anthropometric parameters and biochemical profiles were measured. The variant of ADIPOQ gene rs266729 was assessed at basal time by polymerase chain reaction at real time. Results: Two genotype groups were realized (CC versus CG + GG). The final genotype distribution was 48 patients CC (57.8%), 30 patients CG (36.2%) and 5 patients GG (6%). After dietary intervention with a moderate calorie restriction and in both genotypes, body mass index (BMI), weight, fat mass, systolic blood pressure, and waist circumference decreased. After dietary intervention and in non-G allele carriers (CC versus CG+ GG), glucose (delta: -6.2 +/- 1.1 versus -2.9 +/- 1.2 mg/dL; P=0.02), total cholesterol (delta:-15.2 +/- 3.1 versus -3.4 +/- 2 mg/dL; P =0.02), low-density lipoprotein cholesterol (delta, -14.9 +/- 3.1 versus -4.9 +/- 1.2 mg/dL; P=0.01), insulin levels (delta, -4 +/- 0.6 versus 0.7 +/- 0.3 UI/L:P=0.01), homeostasis model assessment for insulin resistance (delta, -1.6 +/- 0.4 versus -0.2 +/- 0.4 units; P=0.01), and adiponectin (delta, -10.4 +/- 3.1 versus -1.3 +/- 1.0 ng/dL; P=0.01) improved. Conclusion: After weight loss, the CC genotype of ADIPOQ gene variant (rs266729) is associated with increases in adiponectin levels and decreases of low-density lipoprotein cholesterol, insulin and homeostasis model assessment for insulin resistance after weight loss. (C) 2018 Elsevier Inc. All rights reserved.