نتایج جستجو برای: محور hpg
تعداد نتایج: 18794 فیلتر نتایج به سال:
While stress activates the hypothalamic-pituitary-adrenal (HPA) axis, it suppresses the hypothalamic-pituitary-gonadal (HPG) axis. Corticotropin-releasing factor (CRF) is a major regulatory peptide in the HPA axis during stress. Urocortin 1 (Ucn1), a member of the CRF family of peptides, has a variety of physiological functions and both CRF and Ucn1 contribute to the stress response via G prote...
Three polymers, poly(N-(2-hydroxypropyl)methacrylamide) (pHPMA), hyperbranched polyglycerol (hPG), and dextran were investigated as carriers for multivalent ligands targeting the adaptive tandem WW-domain of formin-binding protein (FBP21). Polymer carriers were conjugated with 3-9 copies of the proline-rich decapeptide GPPPRGPPPR-NH2 (P1). Binding of the obtained peptide-polymer conjugates to t...
Abstract The purpose of the present work is to enhance thermal stability and rheological properties semi-interpenetrating polymer network (IPN) hydrogel based on partially hydrolyzed polyacrylamide/hydroxypropyl guar (HPAM/HPG) nanocomposite reinforced with graphene oxide (GO), at temperatures (200 240 °F) for use in oil recovery applications. FTIR spectra IPN hydrogels revealed interactions GO...
Puberty is a series of physical development and sexual maturation that aims to achieved reproductive capacity. The hypothalamic-pituitary-gonadal (HPG) axis has an important role in the normal process puberty. Disruption HPG causes hormonal disturbances, one which hypogonadotropic hypogonadism, associated with delayed Hormonal disorders can also cause various problems besides system, such as mu...
Hyperbranched polyglycerols (HPGs) are ideal scaffolds for the multivalent presentation of saccharides, due to their biocompatible, carbohydrate-like properties; here, we report the conjugation of galactosesugar moieties to HPG, and the multivalent effect of these constructs on selectin binding.
in persian traditional medicine is believed that camphor (a crystalline ketone obtained from cinnamomum camphora) is a suppressor of sexual behaviors. this study examined the central effects of camphor on sexual hormones (lh, fsh and testosterone) and gnrh plasma levels in male rat. male wistar rats weighing 250-260gr were selected and divided into control (no treatment), sham (icv injection of...
In this paper we introduce a novel parallel work-flow-based aligner for fast and accurate mapping of RNA sequences on servers equipped with multicore processors. Our software, named HPG Aligner W1, leverages the speed of the BurrowsWheeler Transform to map a large number of RNA fragments (reads) rapidly, as well as the accuracy of the Smith-Waterman algorithm to deal with conflictive reads. The...
In vertebrates, circulating androgen levels are regulated by the hypothalamic-pituitary-gonadal (HPG) axis through which the brain controls the gonads via the pituitary. Androgen levels ultimately depend on factors including season, temperature, social circumstance, age, and other variables related to reproductive capacity and opportunity. Previous studies with an African cichlid fish, Astatoti...
The hypothalamic-pituitary-gonadal (HPG) axis plays a critical role in the control of reproduction. Two key hormonal components of the HPG axis are gonadal steroids and gonadotropin-releasing hormone (GnRH). Gonadal steroids are known to organize the development of neural substrates which control adult reproductive behavior; GnRH is required for normal reproductive structure and function. The p...
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