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43051
关键词:'43051'
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Biochemical and biophysical research communications, 448(2), 175-181 (2014-05-02)
Carnitine palmitoyltransferase II (CPT II) deficiency is an inherited disorder involving β-oxidation of long-chain fatty acids (FAO), which leads to rhabdomyolysis and subsequent acute renal failure. The detailed mechanisms of disease pathogenesis remain unknown; however, the availability of relevant human
Clinical and experimental immunology, 172(3), 383-393 (2013-04-23)
Fatty acids, uric acid and glucose are thought to contribute to subclinical inflammation associated with diabetes mellitus. We tested whether co-incubation of free fatty acids and uric acid or glucose influences the secretion of immune mediators from stimulated human whole
Artificial cells, nanomedicine, and biotechnology, 42(5), 296-301 (2013-07-20)
Lipid vesicles are an important drug carrier which can serve for controlled delivery of drugs; however, these vesicles are quite unstable at ambient temperature and require stringent storage condition. Present work was done to develop a stable vesicular system for
The Journal of biological chemistry, 289(14), 10223-10234 (2014-02-22)
Rat hearts were perfused with [1,2,3,4-(13)C4]palmitic acid (M+4), and the isotopic patterns of myocardial acylcarnitines and acyl-CoAs were analyzed using ultra-HPLC-MS/MS. The 91.2% (13)C enrichment in palmitoylcarnitine shows that little endogenous (M+0) palmitate contributed to its formation. The presence of
Hippocampus, 24(7), 733-739 (2014-02-20)
GPR40, the free fatty acid receptor 1, is expressed strongly in the primate pancreas and brain. While the role of pancreatic GPR40 in glucose homeostasis has been extensively studied, the absence of this G-protein-coupled receptor from the brain of rodents
Diabetes, 64(1), 60-71 (2014-09-05)
Arginine methylation is responsible for diverse biological functions and is mediated by protein arginine methyltransferases (PRMTs). Nonalcoholic fatty liver disease (NAFLD) is accompanied by excessive hepatic lipogenesis via liver X receptor α (LXRα). Thus we examined the pathophysiological role of
The American journal of clinical nutrition, 101(1), 153-163 (2014-12-21)
Experimental evidence suggests that hepatic de novo lipogenesis (DNL) affects insulin homeostasis via synthesis of saturated fatty acids (SFAs) and monounsaturated fatty acids (MUFAs). Few prospective studies have used fatty acid biomarkers to assess associations with type 2 diabetes. We
Apoptosis : an international journal on programmed cell death, 19(11), 1559-1570 (2014-09-15)
Palmitate, a common saturated free fatty acid (FFA), has been demonstrated to induce preadipocyte apoptosis in the absence of adipogenic stimuli, suggesting that preadipocytes may be prone to apoptosis under adipogenic insufficient conditions, like type 2 diabetes mellitus (T2DM). ClC-3
Journal of the American College of Nutrition, 33(5), 406-411 (2014-08-01)
To evaluate and compare the levels of free fatty acids between senile cataract patients and normal controls. Fifty consecutive patients with newly diagnosed senile cataract and 50 age- and gender-matched controls were evaluated. Subjects/patients were randomized according to selection criteria.
Molecular nutrition & food research, 58(9), 1765-1775 (2014-06-11)
During aging, increased visceral adipose tissue (AT) mass may result in impaired metabolic status. A citrulline (CIT)-supplemented diet reduces AT mass in old rats. We hypothesized that CIT could directly affect fatty acid (FA) metabolism in retroperitoneal AT. A 24-h
The Journal of biological chemistry, 288(40), 28641-28655 (2013-08-21)
Prostaglandin endoperoxide H synthase-2 (PGHS-2), also known as cyclooxygenase-2 (COX-2), is a sequence homodimer. However, the enzyme exhibits half-site heme and inhibitor binding and functions as a conformational heterodimer having a catalytic subunit (Ecat) with heme bound and an allosteric
PloS one, 8(2), e56847-e56847 (2013-03-05)
Phagocytosis is a key process of the immune system. The human pathogen Klebsiella pneumoniae is a well known example of a pathogen highly resistant to phagocytosis. A wealth of evidence demonstrates that the capsule polysaccharide (CPS) plays a crucial role
The American journal of clinical nutrition, 73(1), 41-44 (2000-12-22)
Dietary behenic acid (22:0) is poorly absorbed. Because of its low bioavailability compared with other fatty acids and because of its very long chain length, the effect of dietary behenic acid (behenate) on serum lipid concentrations in humans is assumed
Melanoma research, 24(4), 305-314 (2014-06-04)
A critical first step in the metastatic progression of cutaneous melanoma, invasive growth into the dermal compartment, would ideally be studied in the proper three-dimensional tissue microenvironment. In this study, we compared the growth and behavior of four melanoma cell
American journal of physiology. Cell physiology, 308(3), C249-C263 (2014-10-31)
Dysregulated autophagy and decreased AMP-activated protein kinase (AMPK) activity are each associated with atherogenesis. Atherogenesis is preceded by high circulating concentrations of glucose and fatty acids, yet the mechanism by which these nutrients regulate autophagy in human aortic endothelial cells
American journal of physiology. Endocrinology and metabolism, 307(2), E199-E208 (2014-06-05)
Overweight is associated with abnormalities of lipid metabolism, many of which are reversed by exercise. We investigated the impact of experimental antilipolysis and acute exercise on lipid kinetics and oxidation from VLDL-TG, plasma FFA, and "residual lipids" in overweight men
The British journal of nutrition, 111(7), 1174-1180 (2013-11-30)
In the present study, we investigated the effect of long-acyl chain SFA, namely palmitic acid (16:0) and stearic acid (18:0), at sn-1, 3 positions of TAG on obesity. Throughout the 15 weeks of the experimental period, C57BL/6 mice were fed
Biochimica et biophysica acta, 1838(10), 2625-2634 (2014-07-01)
In this work, the self-organization and the behavior of the surfactant-like peptides in the presence of biological membrane models were studied. The studies were focused on synthetic palmitic acid-containing lipopeptides, C16-KK-NH2 (I), C16-KGK-NH2 (II) and C16-KKKK-NH2 (III). The self-assembly was
Toxicology and applied pharmacology, 274(2), 350-360 (2013-10-15)
Exposure to particles has been suggested to generate hepatosteatosis by oxidative stress mechanisms. We investigated lipid accumulation in cultured human hepatocytes (HepG2) and rat liver after exposure to four different carbon-based particles. HepG2 cells were exposed to particles for 3h
Klinicheskaia meditsina, 91(1), 20-27 (2013-05-11)
LDLP and VLDLP have different biological functions: phylogenetically older LDLP transfer FA that serve as substrates for intracellular production of energy and ATP while VLDLP transfer FA--precursors of cell membranes and eicosanoids. The cells absorb LDLP via apoB-100 endocytosis and
Cell & bioscience, 1, 34-34 (2011-10-25)
Cancer cells possess unique metabolic phenotypes that are determined by their underlying oncogenic pathways. Activation of the PI3K/Akt/mTOR signaling cascade promotes glycolysis and leads to glucose-dependence in tumors. In particular, cells with constitutive mTORC1 activity secondary to the loss of
Biochimica et biophysica acta, 1831(10), 1566-1572 (2013-07-23)
De novo lipogenesis is considered the primary source of fatty acids for lipid synthesis in cancer cells, even in the presence of exogenous fatty acids. Here, we have used an isotopic fatty acid labeling strategy coupled with metabolomic profiling platforms
Biochemical Society transactions, 41(1), 84-88 (2013-01-30)
S-Palmitoylation, the only reversible post-translational lipid modification, confers unique biochemical and functional properties to proteins. Although it has long been known that viral proteins are palmitoylated, recent studies reveal that this modification plays a critical role for pathogens of all
International journal of cosmetic science, 36(6), 588-597 (2014-09-16)
Quercetin, a phenolic compound isolated from plants, can act as an antioxidant to protect the skin from oxidative stress induced by ultraviolet rays. The aims of this work were (i) to compare the physical characterization of quercetin-loaded solid lipid nanoparticles
Uncoupling AMPK from autophagy: a foe that hinders the beneficial effects of metformin treatment on metabolic syndrome-associated atherosclerosis? Focus on "glucose and palmitate uncouple AMPK from autophagy in human aortic endothelial cells".
American journal of physiology. Cell physiology, 308(3), C246-C248 (2014-12-17)
Clinical chemistry, 40(6), 862-866 (1994-06-01)
Organic acid concentrations were quantified by gas chromatography and the individual acids identified by mass spectrometry in urine specimens from a healthy Turkish pediatric population of ages 2 days to 16 years, subdivided into five age groups. We quantified 69
Molecular nutrition & food research, 59(4), 751-762 (2015-01-30)
Dietary PUFAs modulate the progression of cardiovascular disease, but the underlying mechanisms within vascular cells remain unclear. The aim of this study was to investigate the biological function and regulatory mechanisms of PUFAs in LPS-activated human aortic endothelial cells (HAECs).
Therapeutische Umschau. Revue therapeutique, 52(8), 509-514 (1995-08-01)
When various fats and oils are given to humans, marked differences in the concentrations of serum lipids and lipoproteins will be observed. Relative to dietary carbohydrates, lauric, myristic and palmitic acid, which are saturated fatty acids, but also trans fatty
Metabolism: clinical and experimental, 63(8), 1041-1048 (2014-06-17)
Hepatokine fibroblast growth factor (FGF) 21 takes part in the regulation of lipid metabolism in the liver and adipose tissue. We investigated whether exendin-4 regulates the expression of FGF21 in the liver, and whether the effects of exendin-4 on the
Diabetes, 63(10), 3310-3323 (2014-05-03)
In obesity, adipose tissue (AT) contains crown-like structures where macrophages surround nonviable adipocytes. To understand how AT macrophages (ATMs) contribute to development of insulin resistance, we examined their character in more detail. In silico analysis of F2 mouse populations revealed
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