نتایج جستجو برای: igf1
تعداد نتایج: 1835 فیلتر نتایج به سال:
BACKGROUND/AIM Peyronie's disease (PD) is a fibrotic entity for which the pathogenetic mechanism remains unclear and if resulting in severe deformity, its treatment is only surgical. In this study we investigated the possible role of insulin-like growth factor 1 (IGF1) expression in the pathogenesis of PD. MATERIALS AND METHODS Tissue samples were obtained from plaques of 24 patients with PD....
insulin-like growth factor-1 gene (igf1) is a biological candidate gene for investigation traits such as growth, body weight and muscles growth in different species. in this research eight pairs of white and wild quails were crossed reciprocally as a base population. a total of 34 quails were produced in first generation (f1) and 422 quails were generated by intercrossing the f1 population. bod...
background: the opening and closing of the implantation window is important for successful pregnancy in eutherians. the recent study demonstrated that the window of uterine receptivity was prepared by the sole action of progesterone in mice, but the mechanism to close the window remained to be elucidated. methods: the pregnant mice were ovariectomized on the evening on the third day of pregnanc...
چکیده هدف: عامل رشد میوستاتین و igf1 نقش موثری در پاسخ به انقباض های عضلانی، تنظیم و تحریک متابولیسم عضلات ایفا می کنند. هدف پژوهش حاضر بررسی اثر مکمل جنسینگ بر سطوح سرمی فاکتورهای رشد میوستاتین و igf1 است. روش پژوهش: لذا 16 نفر از کاراته کاران باشگاهی درقالب طرح نیمه تجربی دو سو کور پیشپس آزمون به دو گروه جنسینگ و دارونما تقسیم شدند قبل و بعد از مصرف یکماهۀ مکمل و پس از یک دوره مسابقۀ شبیه س...
OBJECTIVES Smoking is pathogenic for rheumatoid arthritis (RA) being tightly connected to the genetic and serological risk factors for this disease. This study aims to understand connections between cigarette smoking and serum levels of IGF1 and adipokines in RA. METHODS Serum levels of IGF1 and adipokines leptin, adiponectin, resistin, and visfatin were measured in two independent cohorts of...
The growth hormone (Gh)/insulin-like growth-factor (Igf) system plays a central role in the regulation of growth in fishes. However, the roles of Igf binding proteins (Igfbps) in coordinating responses to food availability are unresolved, especially in anadromous fishes preparing for seaward migration. We assayed plasma Gh, Igf1, thyroid hormones and cortisol along with igfbp mRNA levels in fas...
Growth hormone (GH) plays a central role in regulating somatic growth and in controlling multiple physiological processes in humans and other vertebrates. A key agent in many GH actions is the secreted peptide, IGF-I. As established previously, GH stimulates IGF-I gene expression via the Stat5b transcription factor, leading to production of IGF-I mRNAs and proteins. However, the precise mechani...
OBJECTIVE Somatotroph adenomas are typically recognized when they secrete GH excessively and cause acromegaly. Both 'silent' somatotroph adenomas (immunohistochemical evidence of GH excess without biochemical or clinical evidence) and 'clinically silent' somatotroph adenomas (immunohistochemical and biochemical evidence but no clinical evidence) have occasionally been reported. The relative fre...
IGF action has been implicated in the promotion of oxidative stress and aging in invertebrate and murine models. However, some in vitro models suggest that IGF-I specifically prevents neuronal oxidative damage. To investigate whether IGF-I promotes or retards brain aging, we evaluated signs of oxidative stress and neuropathological aging in brains from 400-d-old Igf1-/- and wild-type (WT) mice....
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