From fec04267831464b58ed586e06bb18979fb015b03 Mon Sep 17 00:00:00 2001 From: richelleperrin Date: Fri, 3 Apr 2026 06:07:23 +0800 Subject: [PATCH] Add Testosterone Wikipedia --- Testosterone-Wikipedia.md | 10 ++++++++++ 1 file changed, 10 insertions(+) create mode 100644 Testosterone-Wikipedia.md diff --git a/Testosterone-Wikipedia.md b/Testosterone-Wikipedia.md new file mode 100644 index 0000000..b8586b1 --- /dev/null +++ b/Testosterone-Wikipedia.md @@ -0,0 +1,10 @@ +
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In 2003, a small RCT study reported that the mean Hamilton score (21.8) in younger men (mean age 46.9 years) with hypogonadism and major depressive disorder refractory to antidepressant medications decreased by ~ 60% when their total testosterone levels were increased from 293 to 789 ng/dl (10.16–27.36 nmol/L SI units) by TRT compared to placebo treatment . Three early interventional studies of TRT using testosterone gel or intramuscular [buy testosterone propionate](https://www.refermee.com/companies/can-testosterone-cause-fatigue-understanding-the-hormone-energy-link-central-texas-urology/) undecanoate in men with hypogonadism based on mean total [buy testosterone enanthate online](https://mkhonto.net/@annmccaffrey4?page=about) levels ranging from 230 to 300 ng/dl (7.97–10.40 SI units) reported a significant reduction in depressive symptoms 80–82. In the [buy testosterone](https://gitea.jnyuxia.com/cristinalindsl) Trials cohort of hypogonadal men were characterized  as having two morning total testosterone levels less than 275 ng/dl (9.53 nmol/L SI units), sexual dysfunction, and diminished physical functioning including low vitality. ADT involves treatment with a gonadotrophin-releasing hormone (GnRH) superagonist to desensitize and downregulate pituitary GnRH receptors, thereby depleting [testosterone buy online](https://music.drepic.com/tillylegg26929) 45, 46. In addition to being a prospective study, another strength of the HIMS study was measuring total testosterone levels using LC–MS/MS mass spectrometry, which is a critical methodology for accurately measuring hypogonadal [buy testosterone online](https://flirta.online/@glenwill175907) levels . This study also reported that low levels of dihydrotestosterone, estradiol, and free testosterone (calculated) did not confer risk for developing incident depression. In 2018, the Endocrine Society Clinical Practice Guideline established criteria for hypogonadism requiring that two morning serum testosterone levels are below 280–300 ng/dl (9.7–10.4 nmol/L SI units) . +Leptin, an adipocyte-derived hormone discussed under the Regulation section of this Wikipedia page, is significantly reduced in patients with anorexia nervosa due to the loss of body fat. The starvation state in anorexia nervosa also affects other hormones important ore productive regulation. The altered GnRH pulsatility leads to a decrease in the frequency and amplitude of LH and FSH release from the pituitary gland. In anorexia nervosa, severe caloric restriction and subsequent weight loss lead to a suppression of the HPG axis. Prenatal exposure to alcohol can affect the hormones regulating fetal development resulting in foetal alcohol spectrum disorder. Starvation from anorexia nervosa or bulimia causes the HPG axis to deactivate causing women's ovarian and uterine cycles to stop.. Adiponectin inhibits both the basal and GnRH-stimulated LH secretion, and its effect is detected even after a short exposure with gonadotrophs 14, 144.|We evaluated the composition and advertised claims of "T boosting" supplements, and supporting published evidence. A zero LH on a man who is producing abundant [buy testosterone online](https://geniusactionblueprint.com/@vwfdamon643706?page=about) through an exogenous source is not the same finding as a zero LH on a man with no hormonal explanation. The hypothalamus has received the signal, the pituitary has responded accordingly, and the feedback loop is intact. A specialist in men's health or hormone optimization can also help bridge the gap if your primary care provider is uncomfortable managing these results. What specifically concerns you about this result given that I am on exogenous testosterone? Certain medications can also interact with or [47.105.124.101](http://47.105.124.101:3000/katherinemerew) independently suppress the HPG axis, so a full medication review with your provider is always a sound practice. These options exist and are used regularly in the context of hormone optimization.|Interestingly, kisspeptin has been found to have an antidepressant action possibly by modulating brain serotonergic neurons . These meta-analyses further strengthen the concept that clinical hypogonadism confers a high risk for depression in men. Likewise, in an adjusted linear regression analysis, the prospective Longitudinal Aging Study Amsterdam observed greater depressive symptoms in men with the lowest quartile of calculated free testosterone compared to men in the highest free testosterone quartile . Furthermore, using a logistic regression, this study found that high depression scores were present in 61% of men with hypogonadism compared to only 14% of eugonadal men .} +In males, these are usual late pubertal effects, and occur in women after prolonged periods of heightened levels of free testosterone in the blood. Pubertal effects begin to occur when androgen has been higher than normal adult female levels for months or years. For postnatal effects in both males and females, these are mostly dependent on the levels and duration of circulating free testosterone. Both [buy testosterone powder](https://datemefuck.com/@aleishahornung) and DHT bind to an androgen receptor; however, DHT has a stronger binding affinity than testosterone and may have more androgenic effect in certain tissues at lower levels. Subsequent neuroendocrine research including meta-analyses  have found that basal testosterone levels and 24-h testosterone secretion are abnormally low in men with major depressive episodes 25, 36, 43. The role of hypothalamic–pituitary–adrenal hypersecretion observed in severe major depressive episodes and the well-known ability of high cortisol to suppress the hypothalamic-pituitary–gonadal axis in the relationship of [buy testosterone without prescription](https://viewcast.altervista.org/@maik5817807802?page=about) and depression requires further investigation. +After research indicated GnRH neurons do not express androgen receptors, kisspeptin and its G protein-coupled receptor KISS1R were discovered as important regulators of GnRH neurons . When hypogonadotropic hypogonadal men were treated with testosterone replacement therapy, their Beck depression score decreased by 90% and was similar to normal male controls . The cross-sectional Health in Men Study (HIMS) in Australia reported that the risk of depression increased threefold in men with free testosterone level below 60 pg/ml compared to men with a free testosterone level above 100 pg/ml . +In addition, the adiponectin receptors interact with APPL proteins (adaptor protein, phosphotyrosine interacting with plekstrin-homologous domain and leucine zipper), but not with heterotrimeric G-proteins. The tissues, the targets of adiponectin, express the adiponectin receptors AdipoR1 and AdipoR2, which bind specifically to various forms of adiponectin with different affinity 111, 125, 126, 127. Post-translational modifications of adiponectin and its oligomerization significantly affect the bioavailability, binding characteristics and pattern of specific activity of adiponectin 115, 120, 123, 124, 125. To form the trimeric complex, hydroxylation of the proline and lysine residues in the collagenous repeats is necessary, since the lack of this modification does not allow the formation of such complex and leads to a loss in the adiponectin activity 118, 119. In the testes of 30-day knockout mice with severe hyperleptinemia, the expression of the gene encoding leptin was increased, while the expression of the genes encoding StAR and P450scc was reduced. +Polygenic scores derived from [buy testosterone injections](http://git.fbonazzi.it/amiecorner0935) GWAS data predict testosterone levels and their association with important phenotypes and clinical disorders. Recent GWAS research has identified significant associations of GCKR, BAIAP2L1, JMJD1C, FKBP4, SERPINA1, SHBG, FAM9B, and other gene variants with total testosterone levels 21–23, 127 (Fig. 2). The androgen receptor  may not have important roles in the susceptibility to depression or the positive response to TRT if the androgen receptor has less sensitivity to [purchase testosterone](http://git.qniao.cn/bertyoungblood) due to longer CAG repeats 104, 106–108. Membrane androgen receptor signaling via non-canonical cascades may be especially important in brain neurons and relevant to antidepressant actions of testosterone by promote cell survival, neurogenesis, synaptic density, and synaptic remodeling in the hippocampus, prefrontal cortex, and other brain regions . +In females FSH and LH act primarily to activate the ovaries to produce estrogen and inhibin and to regulate the menstrual cycle and ovarian cycle. For instance, the FSHβ gene exhibits ultrasensitive behavior in response to GnRH pulse frequency, with its expression sharply increasing at lower pulse frequencies and decreasing at higher frequencies. In response to GnRH stimulation these cells produce LH and FSH, which travel into the blood stream. +The reasons for this are unknown, but some of these men may be seeking alternative treatments, such as care at rejuvenation centers or using over the counter T supplements. Patients should be informed that "T booster" supplements may not have ingredients to support their claims. On PubMed, 24.8% of supplements had data showing an increase in T with supplementation, 10.1% had data showing a decrease in T, and 18.3% had data showing no change in T. +
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