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    Did you mean Programmed Cell Death Protein 1?
    Glossary Programmed Cell Death Protein 1

    regulates immune response by inhibiting T cell activity

    Programmed Cell Death Protein 1 (PD-1) is a protein found on the surface of immune cells, such as T cells. It plays a crucial role in regulating the immune system by preventing overactivation, which can lead to autoimmune diseases. PD-1 achieves this by binding to its ligands, PD-L1 and PD-L2, which are often expressed on cancer cells, thereby inhibiting the immune response against these cells. This mechanism is a target for cancer immunotherapy, where blocking PD-1 can enhance the body's ability to fight cancer.

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      community Comprehensive Microneedling Guide

       292 upvotes 4 years ago
      Microneedling for hair restoration involves daily use of a 0.3 mm device and weekly use of a 0.5 mm device. Combining microneedling with Minoxidil can enhance hair growth.

      community Fats on your Head to Stop Hair Loss?

       140 upvotes 2 years ago
      The conversation discusses the potential of long-chain unsaturated fatty acids, like oleic and linoleic acid, as an additional treatment for hair loss, which may inhibit the enzyme responsible for converting testosterone to DHT and promote hair growth. Users humorously suggest using oils topically and discuss other hair loss treatments, but the main focus is on the science behind fatty acids and their role in hair health.

      community The Real Cause Of Androgenetic Alopecia

       675 upvotes 1 year ago
      Androgenetic alopecia is caused by DHT affecting hair growth. Finasteride and minoxidil are used to manage hair loss by blocking DHT and promoting hair growth.

      community PRP / laser / stem cell treatment before or after hair transplant – worth it?

       1 upvotes 3 weeks ago
      The user is considering whether to undergo additional treatments like PRP, low-level laser therapy, and stem cell treatment before or after a planned hair transplant, while already using minoxidil and starting finasteride. They are unsure if these treatments are worth the significant cost and are seeking advice from others who have had similar experiences.

      community PP405: The Ultimate Hair Loss Drug for Complete Hair Growth

       211 upvotes 1 year ago
      PP405 is a new hair loss treatment in phase 2 trials that may promote hair growth by increasing lactate production and activating hair follicle stem cells. It could potentially replace hormone-disrupting treatments like Minoxidil and finasteride.

      community My Theory Of Androgenic Alopecia

       16 upvotes 9 months ago
      Hair loss is linked to cellular physiology and the IGF-1 to TGF-B1 ratio, not just androgen sensitivity. The theory lacks evidence, while finasteride and minoxidil are effective treatments.

      community Please explain this Minoxidil phenomena

       58 upvotes 2 years ago
      The post discusses the difference in effects of Minoxidil (Min) on scalp and facial hair. The user questions why Min-induced hair growth on the scalp is temporary, while facial hair growth seems permanent, even after stopping Min. They propose theories, including different Min mechanisms on body and facial hair, the role of DHT, and the possibility of not achieving fully terminal hair. The responses include personal experiences and theories about Min's effects on hair growth.

      community Genomic Sequencing for Hair Loss

      in Research/Science  156 upvotes 5 months ago
      Hair loss treatments like Minoxidil, finasteride, and potential mRNA therapies are discussed. There is skepticism about targeting specific genes due to the complex genetic nature of hair loss.

      community Why do we get bald from evolutionary perspective

      in Chat  213 upvotes 1 year ago
      Baldness is not an evolutionary disadvantage because it occurs after reproductive age. Treatments like Minoxidil and Finasteride are used for androgenetic alopecia but don't address the root cause.

      community What if DHT is not the vilan.

       13 upvotes 5 years ago
      Hair loss may be influenced more by inflammation, microbiome imbalances, and gut health than DHT. Treatments discussed include minoxidil, finasteride, RU58841, fecal microbiota transplants, and JAK inhibitors.

      community Ginsenoside enriched formulation

      1 year ago
      Panax ginseng, specifically a ginsenoside-enriched formulation, is suggested as a potential hair growth treatment alongside finasteride and minoxidil. The user is considering trying panax ginseng despite limited availability and evidence.

      community DNA test result is incredible !

      in Technology  31 upvotes 7 months ago
      The conversation discusses a personalized hair loss treatment plan based on DNA test results, recommending Minoxidil, Dutasteride, 17-alpha Estradiol, Cetirizine, and PRP sessions. The test identifies a high risk of hair loss due to DHT but a good response to Minoxidil, suggesting a tailored approach to treatment.

      community 5 months with Fin and Minoxidil combo

       79 upvotes 1 year ago
      A 25-year-old experienced significant hair regrowth after 5 months using a combination of topical minoxidil and finasteride, along with vitamin D supplements. They advise against stopping minoxidil to prevent hair loss recurrence.

      community Stopping hairloss with pure willpower

      in Treatment  39 upvotes 8 months ago
      The conversation humorously discusses using "pure willpower" as a method to combat hair loss, alongside treatments like dutasteride, finasteride, and RU58841. The original poster claims that this unconventional approach, involving shouting affirmations and avoiding distractions, has led to noticeable hair regrowth.

      community Life with hair is so different. Save your hair!

      in Update  625 upvotes 1 year ago
      Hair restoration treatments like finasteride, minoxidil, dutasteride, and hair transplants can greatly enhance self-image and dating life. Opinions differ on whether to embrace baldness or pursue treatments for maintaining hair.

      community Can hard water affect your scalp/hair?

       14 upvotes 5 years ago
      Hard water may contribute to an itchy, dry scalp and hair issues, but it doesn't affect genetic hair loss. Some users suggest using distilled water or a water softener to alleviate symptoms.

      community Are there any natural cures? I'm NOT taking finasteride

       5 upvotes 5 years ago
      The user is seeking natural hair loss treatments, avoiding finasteride due to side effects. They mention considering a $1,000 LLT helmet, Nutrafol supplements, and various unproven remedies.

      community 3 month progress on Manual combi fin/min pill

      in Progress Pictures  19 upvotes 2 years ago
      A user shared their 3-month progress using a combined finasteride and minoxidil pill for hair loss, noting early signs of regrowth. They also use biotin shampoo/conditioner, take Vyvanse and Propranolol, and bleach/dye their hair every 3 weeks.

      community Workout supplement and hair loss

       5 upvotes 5 years ago
      Creatine may increase DHT levels, potentially leading to hair loss, but whey protein and BCAAs are generally considered safe for hair. Finasteride can mitigate creatine's effects on hair loss.