نتایج جستجو برای: rat testis
تعداد نتایج: 294950 فیلتر نتایج به سال:
We have identified a novel membrane form of guanylate cyclase (GC) from a mouse testis cDNA library and termed it mGC-G (mouse GC-G) based on its high sequence homology to rat GC-G. It encodes a potential type I transmembrane receptor, with the characteristic domain structure common to all members of the family of membrane GCs, including an extracellular, putative ligand-binding domain, a singl...
The blood-seminiferous tubule barrier is responsible for maintaining the unique microenvironment conducive to spermatogenesis. A key feature of the blood-testis barrier is selective permeability to solutes and water transport, conferred by the Sertoli cells of the seminiferous tubules (SMTs). Movement of fluid into the lumen of the seminiferous tubule is crucial to spermatogenesis. By Northern ...
Spermiation and BTB restructuring, two critical cellular events that occur across seminiferous epithelium in mammalian testis during spermatogenesis, are tightly coordinated by biologically active peptides released from laminin chains. Our earlier study reported that F5-peptide, synthesized based on a stretch of 50 amino acids within laminin-γ3 domain IV, could reversibly induce the impairment ...
Fractionation of testicular extracts and serum on a Concanavalin A-Sepharose column resolved two peaks of immunoreactive rat androgen binding protein. The rat androgen binding protein in the first peak, designated Form I, was present in the void volume; the other, designated Form II rat androgen binding protein, was bound by the column and specifically eluted by alpha-methylmannoside. In the co...
We showed previously that orally administered bisphenol A (BPA) easily crosses the placental barrier and enters the fetus. However, BPA glucuronide transport and metabolism in the fetus was not studied. We examined the transport of orally administered BPA and BPA glucuronide into mature rat testis and fetus of pregnant rats. After administration of an oral dose of 10 mg BPA per kg body weight t...
Methyl tertiary-butyl ether (MTBE) is used to reduce carbon monoxide and ozone in urban air and to boost fuel octane. There is a lack of knowledge in the literature about the histomorphometric changes of the testis following exposure to MTBE. Therefore, this experimental study was performed to determine the effect of oral exposure to MTBE on histologic and histomorphometric changes of testis in...
Glial cell-line-derived neurotropic factor (GDNF) and its receptors glial cell-line-derived neurotropic factor alpha (GFR1alpha) and rearranged during transformation (RET) have been localized in the rat testis during postnatal development. The three mRNAs, and GDNF and GFR1alpha proteins were detected in testis extracts from 1- to 90-day-old rats by reverse transcriptase PCR and Western blottin...
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