نتایج جستجو برای: محور hpg
تعداد نتایج: 18794 فیلتر نتایج به سال:
With the high rate of mortality associated with breast cancer among women, treatment has attracted great deal attention globally. To reduce exposure body organs to cytotoxicity common chemotherapeutic drugs, local co-delivery selected chemotherapeutics emerged as a solution. In this work, an electrospun composite including co-drug-loaded graphene oxide-based nanocarrier is fabricated for antica...
this study offers an exclusive class of magnetic nanoparticles supported hyperbranched polyglycerol (mnp/hpg) that was functionalized with citric acid (mnp/hpg-ca) as a host immobilization of palladium nanoparticles. the mnp/hpg-ca/pd catalyst was fully characterized using some different techniques such as thermogravimetric analysis (tga), x-ray diffraction (xrd), transmission electron microsco...
The amount of body fat and the energy balance are important factors that influence the timing of puberty and the normal reproductive function. Leptin is a key hormone that conveys to the central nervous system information about the individual energy reserve and modulates the hypothalamus-pituitary-gonad (HPG) axis. Recent findings suggest that the ventral premammillary nucleus (PMV) mediates th...
This study offers an exclusive class of magnetic nanoparticles supported hyperbranched polyglycerol (MNP/HPG) that was functionalized with citric acid (MNP/HPG-CA) as a host immobilization of palladium nanoparticles. The MNP/HPG-CA/Pd catalyst was fully characterized using some different techniques such as thermogravimetric analysis (TGA), x-ray diffraction (XRD), transmission electron microsco...
مقدمه: مسیر هیپوتالاموس-هیپوفیز-گناد (HPG) عملکرد تولیدمثلی را کنترل میکند. هیپوتالاموس، هورمون آزادکننده گنادوتروپین ((GnRH را آزاد میکند که بر هیپوفیز پیشین به منظور تحریک ترشح گنادوتروپها تاثیر میگذارد. هورمونهای گنادوتروپیک نیز بر غدد جنسی با تحریک بلوغ جنسی، گامت زایی و تولید هورمونهای جنسی اثر میگذارند. نورونهای GnRH اجزای کلیدی مسیر HPG هستند، هر چند که برخی نوروترانسمیترها و نور...
Kisspeptin, encoded by Kiss1, stimulates reproduction. In rodents, one Kiss1 population resides in the hypothalamic anterior ventral periventricular nucleus and neighboring rostral periventricular nucleus (AVPV/PeN). AVPV/PeN Kiss1 neurons are sexually dimorphic (greater in females), yet the mechanisms regulating their development and sexual differentiation remain poorly understood. Neonatal es...
Pathogenic microbes can recruit to their cell surface human proteins that are components of important proteolytic cascades involved in coagulation, fibrinolysis and innate immune response. Once located at the bacterial or fungal surface, such deployed proteins might be utilized by pathogens to facilitate invasion and dissemination within the host organism by interfering with functionality of th...
CONTEXT A trade-off between fertility and longevity possibly exists. The association of the male hypothalamic-pituitary-gonadal (HPG) axis with familial longevity has not yet been investigated. OBJECTIVE To study 24-h hormone concentration profiles of the HPG axis in men enriched for familial longevity and controls. DESIGN We frequently sampled blood over 24 h in 10 healthy middle-aged male...
We used pulse-labeling with the methionine analogue homopropargylglycine (HPG) to investigate spatiotemporal aspects of protein synthesis during herpes simplex virus (HSV) infection. In vivo incorporation of HPG enables subsequent selective coupling of fluorochrome-capture reagents to newly synthesised proteins. We demonstrate that HPG labeling had no effect on cell viability, on accumulation o...
The reproductive hormone environment is an important influence upon spontaneous ovarian granulosa cell (GC) tumor development in genetically susceptible (SWR x SWXJ-9) F1 female mice: androgenic support during puberty stimulates tumorigenesis, while exposure to 17beta-estradiol (E(2)) suppresses tumor initiation. We sought to determine whether gonadotropic stimulation was sufficient to initiate...
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