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    GlossaryProlactin

    hormone from the pituitary gland that stimulates milk production

    Prolactin, also known as PRL or luteotropic hormone, is a hormone produced by the pituitary gland. It plays a crucial role in lactation by stimulating milk production in mammals. Additionally, prolactin has over 300 functions in the body, including roles in metabolism, immune system regulation, and development of the reproductive system. Elevated levels of prolactin can lead to conditions such as hyperprolactinemia, which can affect menstrual cycles and fertility.

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      community Further prolactin research....

      in Research/Science  6 upvotes 9 months ago
      HMI 115 did not work as expected for hair regrowth in humans, unlike in macaque monkeys. There is anticipation for further research on prolactin's role in hair loss, with expectations that pharmaceutical companies will likely solve this before universities.

      community Does lowering serum prolactin lower prolactin in the scalp?

      in Research/Science  13 upvotes 9 months ago
      The conversation discusses whether not masturbating (semen retention) affects hair loss, with opinions varying but generally dismissing the idea. Some participants mention using hair loss treatments like Minoxidil, Finasteride, and RU58841, but the effectiveness and relation to prolactin levels in the scalp are debated.

      community Lowering scalp prolactine - Any ideas ?

      in Treatment  2 upvotes 1 year ago
      The conversation is about finding the best method to lower scalp prolactine, with suggestions like P5P and Melatonin. The user also mentions HMI115 as a potential treatment and seeks feedback from those who have tried these methods.

      community Whats up with Prolactine these days?

      in Research/Science  20 upvotes 1 year ago
      The conversation discusses the potential role of prolactin in hair loss and mentions treatments like HMI115, mucuna pruriens, Zinc, and B6 P5P for lowering prolactin levels. It also touches on the use of natural compounds and the lack of studies due to funding issues.

      community does lowering your prolactin levels regrow hair?

      in Research/Science  9 upvotes 1 year ago
      The potential of lowering prolactin levels to regrow hair, with a reference to Bayer's drug HMI 115 which has been indicated as having this effect. Treatments mentioned include Minoxidil and Finasteride, as well as RU58841.

      community How all hormones affect our hair follicles. Not just DHT. Take a look at this paper. Prolactin, melatonin, cortisol, progesterone, testosterone and more

      in Research/Science  126 upvotes 2 years ago
      The conversation discusses various factors affecting hair loss, not just DHT, and mentions treatments like Minoxidil, finasteride, and melatonin. Some users report personal experiences with these treatments and hormone tests, while others speculate on the role of hormones like prolactin and cortisol in hair loss.

      community Optimal dose for topical Melatonin

      in Treatment  6 upvotes 1 year ago
      The conversation is about finding the optimal concentration of topical melatonin for hair loss treatment. The user is considering making their own solution and is unsure whether a higher concentration is more effective for deactivating prolactin receptors.

      community What do we actually know about HMI-115?

      in Chat  16 upvotes 1 year ago
      The post and conversation are about HMI-115, a potential treatment for hair loss. The conclusion is that HMI-115 is not a 5ar-inhibitor and is instead a prolactin receptor inhibitor. Some users are skeptical about its effectiveness and believe that baldness will still be a problem in the future.

      community how about progesterone cream?

      in Research/Science  22 upvotes 6 months ago
      Progesterone cream might help with hair loss by inhibiting DHT production and suppressing prolactin, which can increase DHT. Some dermatologists have used progesterone for hair loss treatment, and it has been effective, sometimes combined with minoxidil, finasteride, and hydrocortisone.

      community P5P supplementation for fin sides.

      in Treatment  7 upvotes 2 years ago
      P5P supplementation helped reverse finasteride side effects, particularly by lowering prolactin levels and restoring sensitivity. The user experienced significant improvement within a day and full recovery in a few days.

      community Hair loss - Blood work (High DHEAS)

      in Research/Science  9 upvotes 2 years ago
      A user has been taking finasteride for 5 months with no improvement in diffuse hair loss and suspects high levels of prolactin, cortisol, progesterone, and DHEAS, as well as iron, might be contributing to the issue. They are also taking vitamin D to address a deficiency.

      community Blood work after 4 month topical fin/min

      in Update  7 upvotes 2 months ago
      After 4 months of using topical finasteride and minoxidil, blood tests showed increased E2, Test, and Prolactine levels. The user is concerned about potential side effects like gyno and is seeking advice on managing these values.

      community Dht normal after taking fin and then dut

      in Treatment  2 upvotes 3 months ago
      The user has been taking dutasteride for 8 months and finasteride before that, with normal DHT levels but high estradiol and prolactin, leading to sexual side effects. The user is disappointed with these results.

      community How’s my pre fin lab work. Age 40

      in Chat  6 upvotes 5 months ago
      A user shared their pre-finasteride lab results, including DHT, estradiol, testosterone, SHBG, prolactin, FSH, and LH levels. Another user responded, cautioning against making unsupported claims about side effects and recovery.

      community Fin raised my estrogen but also testosterone?

      in Finasteride/Dutasteride  17 upvotes 9 months ago
      A user experienced initial side effects from finasteride, including erectile dysfunction and emotional changes, but later noticed increased muscle mass and assertiveness. Hormonal tests showed elevated estrogen and prolactin levels, which slightly decreased over time; the user plans lifestyle changes to see if they help.

      community Another addition to the Hair loss equation.

      in Treatment  2 upvotes 1 year ago
      The post discusses various hair loss treatments including minoxidil, finasteride, microneedling, vitamins, lifestyle changes, and reducing prolactin levels. The user reports positive results after 4 months of treatment, including increased hair growth.

      community Since there is so much hype for cosmeRNA and HMI-115...

      in Chat  48 upvotes 1 year ago
      Exploring different treatments for hair loss, such as cosmeRNA and HMI-115 which are small interference messenger RNA that inhibits the DHT receptor and an antibody that binds to the prolactin (PRL) receptor respectively; and researching mechanism and environment of hyperresponders.

      community HLT Megathread on HMI-115 (key takeaways in comments)

      in Research/Science  38 upvotes 1 year ago
      HMI-115, a newly discovered hair loss treatment that could potentially be effective for those with diffuse thinning and telogen effluvium. It is based on prolactin receptor antagonist signaling and has already undergone Phase I trials in women, with potential commercialization by 2027.

      community GT20029. Kintor Pharma’s Product

      in Research/Science  13 upvotes 1 year ago
      The conversation discusses GT20029, a compound by Kintor Pharma that degrades androgen receptors and is in trials, with potential as a hair loss cure. Another promising treatment mentioned is an antibody that blocks prolactin and has shown positive results in macaques.

      community Finasteride influence on other hormones

      in Finasteride/Dutasteride  9 upvotes 3 years ago
      Finasteride can affect hormone levels, potentially causing symptoms like puffy nipples and testicular pain, and may result in elevated prolactin and high testosterone. The user is seeking interpretation of these changes after taking finasteride.

      community My Experience and a Discourse on "DUPA"

      in Treatment  9 upvotes 5 months ago
      The user discusses their hair loss experience, exploring various hypotheses including thyroid levels, vitamin D, DHEA, nutritional deficiency, diabetes, seborrheic dermatitis, lack of nutrition to hair follicles, chronic inflammation, female pattern hair loss causes, cortisol, and prolactin levels. They are currently using finasteride, beta-sitosterol, and have tried topical dutasteride and microneedling therapy.