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    Glossaryp21

    protein that inhibits cell cycle progression for DNA repair

    p21 is a protein that acts as a regulator of the cell cycle. It is known for its role in inhibiting the activity of cyclin-dependent kinases (CDKs), which are crucial for cell division. By doing so, p21 can halt the cell cycle, allowing for DNA repair or triggering cell death if the damage is irreparable. This function is particularly important in preventing the proliferation of damaged cells, which can lead to cancer.

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      community im 23, hair loss problem

       6 upvotes 11 years ago
      A 23-year-old experiencing hair loss tried olive oil, coconut oil, and hair growth shampoos without success. They are seeking advice on whether to start treatments like Minoxidil, finasteride, or RU58841.

      community New Hair Loss Cure: AMP-303 Is Back. It’s what PP405 should have been.

      in Research/Science  5 upvotes 2 months ago
      AMP-303 and AMP-601 are new hair loss treatments targeting dermal papilla cells, with AMP-303 showing early efficacy in transitioning vellus hairs to terminal hairs after one injection. Further clinical trials are planned, and these treatments are seen as promising due to their biologic approach and less frequent application compared to daily treatments.

      community My summation of PP405 - looks promising

      in Research/Science  206 upvotes 1 year ago
      PP405 shows promise for hair regrowth by manipulating stem cell characteristics and lactate dehydrogenase, with Phase 2a trials pending. Google Ventures' $15M investment suggests confidence, but results and market availability remain uncertain.
      PP405 Identity Research

      community PP405 Identity Research

      in Research  292 upvotes 10 months ago
      PP405 is a potential hair loss treatment that inhibits mitochondrial pyruvate carriers, increasing lactate dehydrogenase activity and stimulating hair follicle stem cells. In a phase 1 trial, 31% of participants showed over 20% hair density increase with PP405 treatment.