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GlossaryProlactin Receptor

protein on cell surfaces that binds to prolactin hormone

The Prolactin Receptor (PRLR) is a protein found on the surface of certain cells that binds to the hormone prolactin. This interaction is crucial for various biological processes, including lactation, reproductive functions, and immune system regulation. In the context of hair biology, prolactin and its receptor can influence hair growth and hair cycle regulation.

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

in Chat 47 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 37 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 Prolactin’s role in antitumor activity of the immune system – a safety concern for HMI-115?

in Research/Science 3 upvotes 1 year ago

Hair loss discussion includes treatments Minoxidil, Finasteride, and RU58841. Prolactin's role in immune system's antitumor activity raises safety concerns for HMI-115.

community Mucuna pruriens, dopamine and prolactin. Natural route with oils.

in Treatment 2 upvotes 1 year ago

The post discusses using Mucuna pruriens, essential oils, and dermarolling for hair loss treatment. The user also mentions pausing testosterone-boosting herbs due to side effects like acne and hair loss.

community does lowering your prolactin levels regrow hair?

in Research/Science 10 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 21M with a nasty case of MPB; Heres what's on my radar for the future.

in Research/Science 14 upvotes 2 years ago

Hopeful treatments for hair loss, including Verteporfin, Androgen Receptor Degradation, and SCUBE3. These treatments offer potential solutions to slow or stop the effects of androgens on the scalp.

community Somebody has gotta try this- HMI-115 reference anti-body

in Treatment 12 upvotes 1 year ago

The potential of using a specific antibody, HMI-115, as a treatment for hair loss alongside traditional treatments such as minoxidil and finasteride. The user suggests trying either a 240 mg or 30 mg dose to see if it works.

community Would you continue to use Finasteride and Minoxidil once HMI 115 becomes available?

in Research/Science 5 upvotes 5 months ago

The conversation discusses the potential use of HMI 115 for hair loss and whether it could replace or be used alongside finasteride, minoxidil, and RU58841. The user is experiencing scalp inflammation and continued hair shedding despite using finasteride for 8 years.

community Residents of Victoria, Australia, sign up for a monoclonal antibody clinical trial – potential cure

in Research/Science 2 years ago

A monoclonal antibody clinical trial for potential hair loss treatments in Victoria, Australia and the discussion of their efficacy. People shared information about similar drugs already on the market, speculated about potential side effects, and discussed how to spread the word about the trial.

community What is your opinion on HMI-115?

in Treatment 16 upvotes 1 year ago

HMI-115, a potential treatment for hair loss that has been reported to produce significant regrowth in bald areas. It is the closest thing to a cure currently available and has raised hope that it could make hair transplants obsolete.

community Topical melatonin instead of fin

in Research/Science 8 upvotes 1 year ago

A 22-year-old man has been using topical melatonin for a year to slow hair loss and it appears to be effective. He's seeking alternatives to finasteride due to potential side effects, and is interested in understanding how melatonin works to prevent hair shedding.

community Can i Just buy any Melatonin Spray and use it in my head?

in Product 17 upvotes 1 year ago

The post is about a user considering using topical Melatonin for hair loss and asking if any melatonin spray can be used for this purpose. The user also seeks clarification on the required percentage of Melatonin in the spray, while a respondent shares their experience of the spray making them sleepy.

community PYRILUTAMIDE PHASE 3 RESULTS : No statistical significance

in Research/Science 127 upvotes 11 months ago

The phase 3 trial results for Pyrilutamide showed no significant difference from the control treatment in increasing hair count, leading to the company halting its development. Users discussed their disappointment and skepticism about hair loss treatments, with some mentioning other treatments like Minoxidil, Finasteride, and RU58841.

community HMI-115 update: Chime Biologics and Hope Medicine Enter Manufacturing Agreement to Speed up the Launch of First-in-class Antibody Drug HMI-115 Targeting Endometriosis and Androgenic Alopecia

in Research/Science 109 upvotes 1 year ago

Chime Biologics and Hope Medicine are speeding up the launch of a first-in-class antibody drug, HMI-115, for endometriosis and androgenic alopecia. The treatment involves a series of subcutaneous injections, has shown promising results in phase 1, and continues to promote hair regrowth even after the treatment is stopped.

community Hope Medicine has a new CEO. Calling it now, he's probably going to axe HMI.

in Update 7 upvotes 1 year ago

Hair loss discussion includes Minoxidil, finasteride, and RU58841 treatments. Hope Medicine has a new CEO, possibly leading to HMI's termination.

community When will HMI-115 second trail be over?

in Research/Science 8 upvotes 1 year ago

A clinical trial for hair loss treatments involving Minoxidil, Finasteride, and RU58841, and when the results of the trial will be available.

community Shedding and thinning won’t stop on Nuclear protocol

in Treatment 21 upvotes 1 year ago

The user is using a combination of hair loss treatments including dutasteride, minoxidil, RU58841, low-level laser therapy, ketokonozole, supplements, Viviscal, Nutrafol, microneedling, PRP, and scalp Botox injections, but is still experiencing hair shedding and thinning. Despite being on this regimen for two years, the user's hair condition is worsening, and they are seeking advice on what else they can do.

community HMI 115 Phase 2 - Leaked pics from Discord

in Research/Science 358 upvotes 6 months ago

The conversation discusses HMI 115, a new hair loss treatment with promising results, showing a significant increase in hair density after two months. Some users are skeptical, while others are hopeful for its release and potential affordability.

community Dutasteride SAVES your hair follicles: MAJOR BS on people who say it destroyed their hair permanently.

in Finasteride/Dutasteride 160 upvotes 10 months ago

The conversation discusses the effectiveness of hair loss treatments, specifically finasteride and dutasteride. The conclusion is that dutasteride significantly reduces DHT levels and may be more effective than finasteride for long-term hair retention, with some users reporting personal experiences and side effects.

community Why balding gets worse in every generation?

in Chat 81 upvotes 4 months ago

Balding seems to worsen with each generation, possibly due to stress, diet, and environmental factors. The user started treatments like Minoxidil and finasteride.

community DUPA hair loss - What's the real deal ?

in Research/Science 11 upvotes 2 years ago

A 25-year-old male with DUPA (diffuse thinning including the donor area) has not seen improvement after 14 months on finasteride. He's considering switching to dutasteride (DUT) after advice from a hair loss YouTuber and is also contemplating trying RU58841.

community How can a drug which increases prolactin, cause regrowth of hair?

in Chat 6 upvotes 1 year ago

Minoxidil increases hair count despite high prolactin being linked to hair loss. Blocking DHT is effective, but not always necessary; HMI-115 is a promising treatment for androgenetic alopecia.

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 Is there any new drug that looks promising ?

in Research/Science 25 upvotes 8 months ago

The conversation discusses GT20029, a drug in Phase II trials that targets androgen receptors with minimal systemic effects, and TDM-105795, a growth stimulant with a different mechanism than minoxidil that may revive papilla stem cells. Both are potential new treatments for hair loss.

community Treatment of Finasteride Induced Gynecomastia (Male breast tissue growth)

in Finasteride/Dutasteride 15 upvotes 4 years ago

Finasteride can cause gynecomastia, which may be reversible by stopping the drug and using selective estrogen receptor modulators (SERMs) like tamoxifen. Lifestyle changes such as weight loss and avoiding alcohol can also help, but surgery may be needed if the condition persists.

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.

community Hi, I got some regrowth recently and I attribute it to DICLOFENAC

in Research/Science 7 upvotes 1 year ago

The user started balding at 16/17 and tried various treatments including minoxidil, finasteride, and dutasteride with little success. They recently started applying diclofenac gel to their bald areas and noticed some hair regrowth, attributing this to diclofenac's ability to lower prolactin levels and its anti-inflammatory effects.