نتایج جستجو برای: leptin receptor rene polymorphism

تعداد نتایج: 699261  

2017
Pawan Kumar Raut Dong Young Choi Sang Hyun Kim Jin Tae Hong Taeg Kyu Kwon Jee Heon Jeong Pil-Hoon Park

Leptin, a hormone derived from adipose tissue, promotes growth of cancer cells via multiple mechanisms. Estrogen receptor signaling is also known to stimulate the growth of breast cancer cells. However, the involvement of estrogen receptor signaling in the oncogenic actions of leptin and its underlying mechanisms are not clearly understood. Herein, we investigated mechanisms for estrogen recept...

2018
Shin-ichi Chisada Ayano Hirako Akihiko Sugiyama

Ocular lesions in leptin receptor-deficient medaka were examined histopathologically at 10, 28, and 37 weeks post hatching. Leptin receptor-deficient medaka at 28 and 37 weeks old showed hyperglycemia and hypoinsulinemia. Histopathologically, vacuolation, swelling, fragmentation, and liquefaction of the lens fibers and dilatation of the retinal central veins, retinal capillaries, iridal veins a...

Journal: :The Journal of clinical investigation 2008
Lin Xu Nicholas Rensing Xiao-Feng Yang Hai Xia Zhang Liu Lin Thio Steven M Rothman Aryan E Weisenfeld Michael Wong Kelvin A Yamada

Leptin is a hormone that reduces excitability in some hypothalamic neurons via leptin receptor activation of the JAK2 and PI3K intracellular signaling pathways. We hypothesized that leptin receptor activation in other neuronal subtypes would have anticonvulsant activity and that intranasal leptin delivery would be an effective route of administration. We tested leptin's anticonvulsant action in...

Journal: :Cell 1995
Louis A. Tartaglia Marlene Dembski Xun Weng Nanhua Deng Janice Culpepper Rene Devos Grayson J. Richards L.Arthur Campfield Frederick T. Clark Jim Deeds Craig Muir Sean Sanker Ann Moriarty Karen J. Moore John S. Smutko Gail G. Mays Elizabeth A. Wool Cheryl A. Monroe Robert I. Tepper

The ob gene product, leptin, is an important circulating signal for the regulation of body weight. To identify high affinity leptin-binding sites, we generated a series of leptin-alkaline phosphatase (AP) fusion proteins as well as [125I]leptin. After a binding survey of cell lines and tissues, we identified leptin-binding sites in the mouse choroid plexus. A cDNA expression library was prepare...

2006
KRISTA A. FRANKENBERRY HEATH SKINNER PONNANDAI SOMASUNDAR DAVID W. McFADDEN LINDA C. VONA - DAVIS

Obesity is considered a risk factor for many cancers, including breast cancer. Our laboratory has previously shown that leptin is mitogenic in many cancer cell lines, including breast. Information regarding the effects of high leptin levels on leptin receptor expression and signaling is lacking. The purpose of this study was to characterize leptin receptor expression in response to leptin in br...

Journal: :Journal of Biological Chemistry 1998

Apurva Srivastava, Balraj Mittal, Jai Prakash, Neena Srivastava, Pranjal Srivastava, Shally Awasthi,

Background: Obesity is a very common disorder resulting from an imbalance between food intake and energy expenditure, and it has a substantial impact on the development of chronic diseases.  The aim of this study was to examine the association of INSIG2 (rs7566605) gene polymorphism with obesity and obesity associated phenotypes in North Indian subjects. Methods: The variants were investig...

Afsharian P Keshmiripour S Khosravifar M Shiva M Zari Moradi S

Background: Follicle stimulating hormone (FSH) receptor plays an important role in FSH signaling during reproductive development. Any changes in FSHR gene is resulted in alteration of amino acid in protein chain, consequence to affect the binding affinity, intracellular signaling and expression levels of FSHR. FSHR polymorphisms can be involved in etiology of many reproductive disorders such as...

2010
Alexander Koch Ralf Weiskirchen Henning W. Zimmermann Edouard Sanson Christian Trautwein Frank Tacke

The adipocyte-derived cytokine leptin was implicated to link inflammation and metabolic alterations. We investigated the potential role of leptin components in critically ill patients, because systemic inflammation, insulin resistance, and hyperglycemia are common features of critical illness. Upon admission to Medical Intensive Care Unit (ICU), free leptin and soluble leptin-receptor serum con...

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