6 articles for “Leptin Receptor”

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Research ArticleOpen accessPhrase in the titleStructural Consequences of the Polymorphism Q223R in the Human Leptin Receptor: A Molecular Dynamics StudyJonathan P. Carrillo-Vázquez, Brenda Chimal-Vega, Beatriz Zamora-López et al.Leptin Receptor (LEPR) is a component of a signaling pathway related to appetite and energy expenditure. Single Nucleotide Polymorphisms (SNP) of Leptin receptor gene (lepr) have been proposed as possible modulator of adipose tissue and body weight. The main phenomenological consequence reported of these SNPs is the modulation of the LEP-LEPR interaction promoting the weight gain. Particularly, Q223R polymorphism has … …American Journal of Agricultural and Biological Sciences, Vol. 8, Issue 3 · 23 Sep 2013 · 7,835 accessesView PDF Cite

Research ArticleOpen accessPhrase in the titleG-2548A Leptin Promoter and Q223R Leptin Receptor Polymorphisms in Obese Mexican SubjectsP. Carrillo-Vazquez Jonathan, Lopez-Alcantar Jeronimo, Chimal-Vega Brenda et al.Leptin interaction with its receptor in the hypothalamus stimulates a specific signaling cascade that results in the synthesis of anorexigenic and orexigenic peptides in order to regulate food intake and energy expenditure. Many polymorphisms in leptin (lep) and leptin receptor (lepr) genes have been associated with body weight. In particular, G-2548A in the lep promoter and Q223R in lepr variants … …American Journal of Agricultural and Biological Sciences, Vol. 8, Issue 1 · 12 Feb 2013 · 8,641 accessesView PDF Cite

Research ArticleOpen accessEvery word in the titleGenetic Polymorphism Exon 9-11 at the Leptin Gene Receptor in Breeder Hens of Mazandaran Native FowlsHossein Ali Abbasi, Shahabodin Gharavysi, Rohullah AbdullahpourProblem statement: Leptin a 16 kD protein synthesized by white adipose tissue and involved in regulation of feed intake, energy balance, fertility and immune function. In order to evaluate the leptin gene receptor polymorphism, we have used a Restriction Fragment Length Polymorphism (RFLP) method. Approach: Blood samples were collected from randomly chosen 100 native fowls breeding station of Mazandaran. The … …American Journal of Animal and Veterinary Sciences, Vol. 6, Issue 2 · 17 Sep 2011 · 7,700 accessesView PDF Cite

Research ArticleOpen accessIn the keywordsEffect of Niacin on Hyperleptinemia and Ob Gene mRNA Over-Expression in Adipose Tissue of Dexamethasone Treated RatsTahoora Shomali, Mahnaz Taherianfard, Mehdi Fazeli, Niloofar SafaeiProblem statement: Glucocorticoid-induced ob gene over-expression and resulted hyperleptinemia may lead to adverse consequences especially on cardiovascular system; therefore, the present study was conducted to evaluate the effects of niacin on hyperleptinemia and ob gene over-expression due to dexamethasone administration in rats. Approach: Twenty four adult male rats divided randomly into four equal groups: 1- normal saline (control), 2- dexamathasone … …American Journal of Pharmacology and Toxicology, Vol. 6, Issue 2 · 17 Aug 2011 · 7,988 accessesView PDF Cite

Research ArticleOpen accessIn the abstractEFFECTS OF MELANOCORTIN-4 RECEPTOR GENE ON GROWTH AND MEAT TRAITS IN PIGS RAISED IN RUSSIAA. Klimenko, A. Usatov, Lyubov Getmantseva et al.The Melanocortin-4 Receptor (MC4R), a G-protein coupled receptor, is implicated in mediating the effect of leptin on food intake and energy balance. A previous candidate gene study reported an association between an MC4R polymorphism (Asp298Asn) and growth and meat productive traits of pigs. The aim of this work was to determine frequencies of the MC4R/Taq I genotypes and alleles in … …American Journal of Agricultural and Biological Sciences, Vol. 9, Issue 2 · 11 Feb 2014 · 7,608 accessesView PDF Cite

Research ArticleOpen accessIn the abstractAdiponectin Regulation in Type 2 Diabetic Rats: Effects of Insulin, Metformin and DexamethasoneTamer Ahmed Ismail, Mohamed Mohamed Soliman, Shimaa Ahmed IsmailAdiponectin is a protein synthesized from adipose tissue, increases peripheral glucose utilization in liver and skeletal muscle. Adiponectin expression and secretion are decreased during obesity and insulin resistance. In this study, the effect of insulin, metformin and dexamethasone on serum lipid profiles was examined in Type 2 Diabetic (T2D) rats. T2D was induced by feeding rats a high fat diet … …American Journal of Pharmacology and Toxicology, Vol. 8, Issue 4 · 23 Nov 2013 · 7,723 accessesView PDF Cite