نتایج جستجو برای: insulin like growth factor i igf
تعداد نتایج: 2991409 فیلتر نتایج به سال:
Correlation Between Insulin-Like Growth Factor-I (Igf-1) Levels and Severity of Liver Involvement in Patients Afflicted with Liver Cirrhosis A. Khoshnood [1] , MJ. Faravash [2] , M. Nasiri Toosi2, A. Esteghamati2, H. Froutan [3] , H. Ghofrani3, A. Abdollahi [4] Received: 20/01/09 Sent for Revision: 21/07/09 Received Revised Manuscript: 13/11/10 Accepted: 18/11/10 Background and Ob...
PURPOSE The development of drug-resistant phenotypes has been a major obstacle to cisplatin use in non-small-cell lung cancer. We aimed to identify some of the molecular mechanisms that underlie cisplatin resistance using microarray expression analysis. METHODS AND MATERIALS H460 cells were treated with cisplatin. The differences between cisplatin-resistant lung cancer cells and parental H460...
The insulin-like growth factors IGF-I and IGF-II are potent mitogens for several breast tumor cell lines in culture. Additionally, both IGF-I and IGF-II mRNAs are easily detected in the majority of breast tumor specimens examined, while no breast cancer epithelial cell lines we have studied express authentic IGF-I mRNA, and few lines express IGF-II mRNA. Although receptors for insulin, IGF-I, a...
Background & Aims: Retinopathy of prematurity (ROP) is one of the most causes of retinal detachment and blindness. Although many studies have been conducted on the pathophysiology of ROP, the exact mechanism is yet under investigation. This study aimed at evaluating the role of serum vascular endothelial growth factor (VEGF), insulin like growth factor-I (IGF-I), and its binding protein (IGFBP-...
Specific insulin-like growth factor I (IGF-I) receptors on the Madin-Darby canine kidney (MDCK) cell line were identified and characterized. [125I]IGF-I specifically bound to the cells, but [125I]insulin bindings to the cells was minimal. Unlabeled IGF-I displaced both the IGF-I and insulin bindings with potencies that were 100 and 10 times as great as insulin. By an affinity labeling technique...
Insulin-like growth factor (IGF)-I receptors were studied in adult human postmortem brain and pituitary gland using quantitative autoradiography with human recombinant [125I]IGF-I. The highest densities were found in the choroid plexus, pituitary gland--where IGF-I receptors were mainly concentrated in the anterior lobe, pineal gland, glomerular layer of the olfactory bulb, and the molecular la...
Differentiation of precursor cells into mature fat cells is accompanied by enhanced expression of insulin-like growth factor (IGF)-I and is stimulated by multiple hormones including growth hormone, glucocorticoids, IGF-I and insulin. We used transgenic mice that overexpress insulin-like growth factor binding protein-1 to investigate the role of IGF-I in the accumulation of fat tissue. In respon...
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