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    GlossaryProgrammed 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 Fats on your Head to Stop Hair Loss?

      in Research/Science  142 upvotes 10 months 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 Verteporfin and Microneedling

      in Treatments 6 months ago
      Clinical studies by Dr. Barghouthi and Dr. Bloxham indicate that Verteporfin, when used with FUE and FUT hair transplantation methods, shows promise in hair follicle regeneration and minimal scarring due to its ability to inhibit Yes-associated protein (YAP). Microneedling at depths of 3-3.5mm, combined with Verteporfin, could potentially reactivate dormant follicles, although the optimal dosage and application method are still under investigation. Concerns remain about the DHT sensitivity of regenerated follicles, highlighting the need for further research to optimize trauma levels and Verteporfin concentrations to achieve effective and scar-free hair regeneration.

      community Opinions on Scalp fibrosis and DHT?

      in Research/Science  9 upvotes 2 years ago
      The conversation discusses the theory that scalp fibrosis contributes to male pattern baldness (MPB) by increasing DHT concentration, and mentions treatments like Minoxidil. The user seeks opinions on the theory and the effectiveness of scalp massages.

      community Comprehensive Microneedling Guide

      in Microneedling  290 upvotes 2 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.