نتایج جستجو برای: ghr gene
تعداد نتایج: 1141672 فیلتر نتایج به سال:
The sex-linked dwarf (SLD) chicken is an ideal model system for understanding growth hormone (GH)-action and growth hormone receptor (GHR) function because of its recessive mutation in the GHR gene. Skeletal muscle mass is reduced in the SLD chicken with a smaller muscle fiber diameter. Our previous study has presented the mRNA and miRNA expression profiles of the SLD chicken and normal chicken...
CONTEXT Metabolic syndrome shows clustered metabolic abnormalities with major roles for insulin resistance and obesity. Ghrelin is a gastric hormone whose total plasma concentration (T-Ghr) is associated positively with insulin sensitivity and is reduced in obesity. Ghrelin circulates in acylated (A-Ghr) and desacylated (D-Ghr) forms, but their potential differential associations with insulin r...
Transgenic mice overexpressing the human growth hormone gene develop mammary carcinomas. Since human growth hormone gene can activate both the growth hormone receptor (GHR) and the prolactin (PRL) receptor (PRLR), it is not clear which receptor system is responsible for the malignant transformation. To clarify the receptor specificity, we created transgenic mice with two different genes: (a) tr...
This study aimed to evaluate liver and breast muscle insulin-like growth factor I (IGF-I) and growth hormone receptor (GHR) gene expression between broilers fed different methionine levels and sources. Broiler chicks were 22 to 42 days old, distributed in 5 treatments (control diet, DL1 - 0.08% DL-methionine, DL2 - 0.24% DL-methionine, MHA-FA1 - 0.11% methionine hydroxy analogue-free acid, and ...
Sepsis results in hepatic "growth hormone (GH) resistance" with reductions in plasma IGF-I despite a two- to fourfold increase in circulating GH. In this study, we examine the effects of IL-1 on GH receptor (GHR) expression, GH signaling (via the JAK/STAT and MAPK pathways), and the induction of gene expression [IGF-I mRNA and serine protease inhibitor (Spi) 2.1] by GH in CWSV-1 hepatocytes. In...
There is significant heterogeneity in serum IGF-I concentrations among normal healthy individuals across all ages and among inbred strains of mice. C3H/HeJ (C3H) mice have 30% higher serum IGF-I concentrations over a lifetime than C57BL/6J (B6), even though body size and length are identical. The underlying mechanism for this disparity remains unknown although several possibilities exist includ...
BACKGROUND Biomarkers are useful tools in research and clinical practice where they are often used to detect and monitor differences in the physiological state of an animal. The proteins IGF-1, IGFBP-3, GHR, CRP, SAA, Hp, IFN-α, IFN-γ, TNF-α, IL-1β, IL-6, IL-10, and IL-18 have been proposed as potential biomarkers for monitoring growth in livestock. The objective of this study was to determine ...
Thirty-six healthy and similar Chinese Merino sheep were selected and divided into six groups at random. The treatment group was injected intradermally with 0.5 mL IGF-1 (10ng/mL). Treatment skin tissue of sheep were sampled respectively for 0,3,6,9,12 and 50 days and the skin expression of growth hormone receptor (GHR), insulin-like growth factor1 (IGF-1), insulin-like growth factor receptor (...
The objective of the present study was to investigate the polymorphism in 5′ non-coding region of growth hormone receptor (GHR) gene in Sahiwal (n = 53) and Hariana (n = 50) cattle using NsiI/PCR-RFLP assay. Amplification of DNA sample revealed 302bp product using specific primer pairs and digested by using NsiI restriction enzyme. All the screened animals were found monomorphic in nature for G...
The aim of this study was to investigate the potential association between growth hormone GH/AluI and growth hormone receptor GHR/AluI polymorphisms with milk yield and reproductive performances in Holstein dairy cows in Iran. Blood samples of 150 Holstein cows were collected and their genomic DNA was extracted using Gene-Fanavaran DNA extracting kit. Fragments of the 428 bp of exon 5 growth ho...
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