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Expression of PPARα modifies fatty acid effects on insulin secretion in uncoupling protein-2 knockout mice
Download2007
Fatehi-Hassanabad, Zahra, Chan, Catherine B.
Aims/hypothesis In uncoupling protein-2 (UCP2) knockout (KO) mice, protection of beta cells from fatty acid exposure is dependent upon transcriptional events mediated by peroxisome proliferator-activated receptor-α (PPARα). Methods PPARα expression was reduced in isolated islets from UCP2KO and...
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Impaired de novo choline synthesis explains why phosphatidylethanolamine N-methyltransferase-deficient mice are protected from diet-induced obesity
Download2010
Kuo, Ming-Shang, Dyck, Jason R. B., Sletten, Torunn, Proctor, Spencer D., Jacobs, René L., Lingrell, Susanne, Cao, Guoqing, Peake, David A., Kennedy, Brian P., Zhao, Yang, Vance, Dennis E., Koonen, Debby P. Y., Su, Brian
Phosphatidylcholine (PC) is synthesized from choline via the CDP-choline pathway. Liver cells can also synthesize PC via the sequential methylation of phosphatidylethanolamine, catalyzed by phosphatidylethanolamine N-methyltransferase (PEMT). The current study investigates whether or not hepatic...
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2012
Wan, Zhongxiao, MacDonald, Tara, Wright, David C., Holloway, Graham P., Chan, Catherine B., Perry, Christopher G.
Background Adipose tissue mitochondria have been implicated as key mediators of systemic metabolism. We have shown that IL-6 activates AMPK, a mediator of mitochondrial biogenesis, in adipose tissue; however, IL-6−/− mice fed a high fat diet have been reported to develop insulin resistance. These...
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IL-6 indirectly modulates the induction of glyceroneogenic enzmes in adipose tissue during exercise
Download2012
Wan, Zhongxiao, Beaudoin, Marie-Soleil, Castellani, Laura, Wright, David C., Ritchie, Ian, Chan, Catherine B.
Background Glyceroneogenesis is an important step in the control of fatty acid re-esterification with PEPCK and PDK4 being identified as key enzymes in this process. We have previously shown that glyceroneogenic enzymes such as PDK4 are rapidly induced in white adipose tissue during exercise....
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Altered microRNA expression in bovine subcutaneous and visceral adipose tissues from cattle under different diet
Download2012
Guan, Leluo, Romao, Josue M., McAllister, Tim, He, Maolong, Jin, Weiwu
Background MicroRNAs (miRNAs) are a class of molecular regulators found to participate in numerous biological processes, including adipogenesis in mammals. This study aimed to evaluate the differences of miRNA expression between bovine subcutaneous (backfat) and visceral fat depots (perirenal...
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Elucidation of molecular mechanisms of physiological variations between bovine subcutaneous and visceral fat depots under different nutritional regimes
Download2013
Jin, Weiwu, He, Maolong, Guan, Leluo, Romao, Josue M., McAllister, Tim
Adipose tissue plays a critical role in energy homeostasis and metabolism. There is sparse understanding of the molecular regulation at the protein level of bovine adipose tissues, especially within different fat depots under different nutritional regimes. The objective of this study was to...
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Insulin and testosterone are associated with elevated intestinal secretion of lipids and lipoproteins in a rodent model of the metabolic and polycystic ovary syndrome
Download2014
Wang, Ye, Shi, Danni, Proctor, Spencer D., Vine, Donna F.
The metabolic syndrome is highly associated with the incidence of Polycystic Ovary Syndrome (PCOS). The metabolic aberrations of insulin resistance and hyperandrogenemia have been proposed to contribute to the development of dyslipidemia and increased Cardiovascular Disease (CVD) risk in PCOS....
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2014
Jin, Weiwu, He, Maolong, Guan, Leluo, Romao, Josue M., McAllister, Tim
Background MicroRNAs (miRNAs) are small non-coding RNAs found to regulate several biological processes including adipogenesis. Understanding adipose tissue regulation is critical for beef cattle as fat is an important determinant of beef quality and nutrient value. This study analyzed the...
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Milk-derived tripeptides IPP (Ile-Pro-Pro) and VPP (Val-Pro-Pro) promote adipocyte differentiation and inhibit inflammation in 3T3-F442A cells
Download2015
Chakrabarti, Subhadeep, Wu, Jianping
Milk derived tripeptides IPP (Ile-Pro-Pro) and VPP (Val-Pro-Pro) have shown promise as anti-hypertensive agents due to their inhibitory effects on angiotensin converting enzyme (ACE). Due to the key inter-related roles of hypertension, chronic inflammation and insulin resistance in the...
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Practical Considerations for Body Composition Assessment of Adults with Class II/III Obesity Using Bioelectrical Impedance Analysis or Dual-Energy X-Ray Absorptiometry
Download2016-09-03
Johnson Stoklossa, Carlene A., Forhan, Mary, Padwal, Raj S., Gonzalez, Maria Cristina, Prado, Carla M.
Purpose of Review The purpose of this review is to explore the practical considerations for body composition assessment of adults with class II/III obesity. Studies assessing adults (18–64 years) with a body mass index (BMI) ≥35 kg/m2 with bioelectrical impedance analysis (BIA) and/or dual-energy...