نتایج جستجو برای: Sex steroid hormones
تعداد نتایج: 299444 فیلتر نتایج به سال:
Decline in circulating sex steroid hormones accompanies several age-associated pathologies which may influence human healthspan. Mitochondria play important roles in biosynthesis of sex steroid hormones, and these hormones can also regulate mitochondrial function. Understanding the cross talk between mitochondria and sex steroid hormones may provide insights into the pathologies associated with...
objective: there are several factors, like environmental agents, neurotrophic factors, serotonin and some hormones such as estrogen, affecting neurogenesis and neural differentiation. regarding to importance of proliferation and regeneration in central nervous system, and a progressive increase in neurodegenerative diseases, cell therapy is an attractive approach in neuroscience. the aim of the...
to study the effect of dietary animal and plant lipids on gonadal differents and sex steroid hormones levels of blood in rainbow trout (oncorhynchus mykiss), the four diets was formulated based on 15% fat. the control uses 100% oil, fish oil was treated in the first, second and third respectively 25% and 75% fish oil, soybean oil, canola and cotton were used. after six weeks of feeding fish wit...
Sex steroid hormones play important physiological roles in reproductive and nonreproductive tissues, including immune cells. These hormones exert their functions by binding to either specific intracellular receptors that act as ligand-dependent transcription factors or membrane receptors that stimulate several signal transduction pathways. The elevated susceptibility of males to bacterial infec...
Sex steroid hormones play important roles in many physiological processes, particularly in the reproduction of teleostei. Therefore, study of steroid hormones in fish is one of the important indicators of reproductive biology. In the present research, serum steroid hormones such as testosterone (T), 17β-estradiol (E2) and progesterone (P) in Esox lucius brood stocks, during one year, from ...
Slight differences in structure fundamentally change the effects, which can be corticoid, androgen, progestagen or estrogen. The latter 3 are called sex steroid hormones. Each type of sex steroid hormone is composed of a group of molecules, with slightly different effects. Sex steroid hormones are secreted by the ovary and by the adrenal gland. Oestrogens are the typical female hormone which wi...
There is a complex, bidirectional interdependence between sex steroid hormones and epilepsy; hormones affect seizures, while seizures affect hormones thereby disturbing reproductive endocrine function. Both female and male sex steroid hormones influence brain excitability. For the female sex steroid hormones, progesterone and its metabolites are anticonvulsant, while estrogens are mainly procon...
Blood is directly involved in many metabolic processes, and blood and hormonal assessments can be helpful in diagnosing the physiological status of fish. In this study, changes in stress indices (glucose and cortisol) and steroid hormones (testosterone, estradiol and progesterone) of sea carp broodstocks in three stages, before hormone injection, after injection and after artificial reproducti...
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