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Testosterone Replacement, Low T, HCG, & Beyond
Clomid for PCT, fertility or low T
Follicle-stimulating Hormone (FSH) Action on Spermatogenesis: A Focus on Physiological and Therapeutic Roles
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<blockquote data-quote="madman" data-source="post: 175948" data-attributes="member: 13851"><p><strong>Abstract: </strong></p><p><strong></strong></p><p><strong>Background: </strong><span style="color: rgb(184, 49, 47)">Human reproduction is regulated by the combined action of the follicle stimulating hormone (FSH) and the luteinizing hormone (LH) on the gonads.</span> <span style="color: rgb(44, 130, 201)">Although FSH is largely used in female reproduction, in particular in women attending assisted reproductive techniques to stimulate multi-follicular growth, its efficacy in men with idiopathic infertility is not clearly demonstrated. Indeed, whether FSH administration improves fertility in patients with hypogonadotropic hypogonadism, the therapeutic benefit in men presenting alterations in sperm production despite normal FSH serum levels is still unclear. In the present review, we evaluate the potential pharmacological benefits of FSH administration in clinical practice. </span></p><p></p><p><strong>Methods:</strong> <span style="color: rgb(184, 49, 47)">This is a narrative review, describing the FSH physiological role in spermatogenesis and its potential therapeutic action in men. </span></p><p></p><p><strong>Results: </strong><span style="color: rgb(184, 49, 47)">The FSH role on male fertility is reviewed starting from the physiological control of spermatogenesis, throughout its mechanism of action in Sertoli cells, the genetic regulation of its action on spermatogenesis, until the therapeutic options available to improve sperm production. </span></p><p></p><p><strong>Conclusion:</strong> <span style="color: rgb(184, 49, 47)">FSH administration in infertile men has potential benefits, although its action should be considered by evaluating its synergic action with testosterone, and well-controlled, powerful trials are required. Prospective studies and new compounds could be developed in the near future.</span></p><p></p><p></p><p><strong>1. Introduction</strong></p><p><strong>2. Physiological Control of Spermatogenesis Spermatogenesis</strong></p><p><strong>3. Mechanism of Action of FSH in the Sertoli Cell </strong></p><p><strong>4. Genetic Regulation of FSH Action on Spermatogenesis </strong></p><p><strong>5. Therapeutic Options to Improve Sperm Production</strong></p><p><strong>6. Future Perspectives</strong></p><p><strong></strong></p><p><strong></strong></p><p><strong></strong></p><p><strong></strong></p><p><strong>7. Conclusions </strong></p><p></p><p><span style="color: rgb(184, 49, 47)">In conclusion, here we highlight how FSH acts in the sophisticated and not completely understood regulatory process resulting in male fertility.</span> <span style="color: rgb(184, 49, 47)">Human spermatogenesis is regulated by FSH and LH-dependent intra-testicular testosterone, with synergistic, partially overlapping mechanisms.</span> <span style="color: rgb(44, 130, 201)">Starting from these notions, FSH administration is proposed as a potentially effective therapeutic approach to male infertility. The exogenous FSH administration seems to improve sperm production, although it remains unclear whether it acts as replacement therapy or overstimulating treatment. This latter concept is supported by experimental demonstrations that spermatogenesis could be boosted beyond its physiological rate. However, the FSH-dependent overstimulation on spermatogenesis must still be verified in infertile men with properly designed clinical trials.</span><span style="color: rgb(26, 188, 156)"> Similarly, new scientific evidence is needed to confirm the efficacy of FSH administration in male infertility. A really powerful, phase 2 clinical trial is urgently required to produce evidence about FSH therapeutic potential. In this setting, the pharmacogenomic basis of FSH response, as well as the most effective dose and duration, must be addressed.</span></p></blockquote><p></p>
[QUOTE="madman, post: 175948, member: 13851"] [B]Abstract: Background: [/B][COLOR=rgb(184, 49, 47)]Human reproduction is regulated by the combined action of the follicle stimulating hormone (FSH) and the luteinizing hormone (LH) on the gonads.[/COLOR] [COLOR=rgb(44, 130, 201)]Although FSH is largely used in female reproduction, in particular in women attending assisted reproductive techniques to stimulate multi-follicular growth, its efficacy in men with idiopathic infertility is not clearly demonstrated. Indeed, whether FSH administration improves fertility in patients with hypogonadotropic hypogonadism, the therapeutic benefit in men presenting alterations in sperm production despite normal FSH serum levels is still unclear. In the present review, we evaluate the potential pharmacological benefits of FSH administration in clinical practice. [/COLOR] [B]Methods:[/B] [COLOR=rgb(184, 49, 47)]This is a narrative review, describing the FSH physiological role in spermatogenesis and its potential therapeutic action in men. [/COLOR] [B]Results: [/B][COLOR=rgb(184, 49, 47)]The FSH role on male fertility is reviewed starting from the physiological control of spermatogenesis, throughout its mechanism of action in Sertoli cells, the genetic regulation of its action on spermatogenesis, until the therapeutic options available to improve sperm production. [/COLOR] [B]Conclusion:[/B] [COLOR=rgb(184, 49, 47)]FSH administration in infertile men has potential benefits, although its action should be considered by evaluating its synergic action with testosterone, and well-controlled, powerful trials are required. Prospective studies and new compounds could be developed in the near future.[/COLOR] [B]1. Introduction 2. Physiological Control of Spermatogenesis Spermatogenesis 3. Mechanism of Action of FSH in the Sertoli Cell 4. Genetic Regulation of FSH Action on Spermatogenesis 5. Therapeutic Options to Improve Sperm Production 6. Future Perspectives 7. Conclusions [/B] [COLOR=rgb(184, 49, 47)]In conclusion, here we highlight how FSH acts in the sophisticated and not completely understood regulatory process resulting in male fertility.[/COLOR] [COLOR=rgb(184, 49, 47)]Human spermatogenesis is regulated by FSH and LH-dependent intra-testicular testosterone, with synergistic, partially overlapping mechanisms.[/COLOR] [COLOR=rgb(44, 130, 201)]Starting from these notions, FSH administration is proposed as a potentially effective therapeutic approach to male infertility. The exogenous FSH administration seems to improve sperm production, although it remains unclear whether it acts as replacement therapy or overstimulating treatment. This latter concept is supported by experimental demonstrations that spermatogenesis could be boosted beyond its physiological rate. However, the FSH-dependent overstimulation on spermatogenesis must still be verified in infertile men with properly designed clinical trials.[/COLOR][COLOR=rgb(26, 188, 156)] Similarly, new scientific evidence is needed to confirm the efficacy of FSH administration in male infertility. A really powerful, phase 2 clinical trial is urgently required to produce evidence about FSH therapeutic potential. In this setting, the pharmacogenomic basis of FSH response, as well as the most effective dose and duration, must be addressed.[/COLOR] [/QUOTE]
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Testosterone Replacement, Low T, HCG, & Beyond
Clomid for PCT, fertility or low T
Follicle-stimulating Hormone (FSH) Action on Spermatogenesis: A Focus on Physiological and Therapeutic Roles
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