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GlossaryCD3

protein complex essential for T-cell activation in immune response

CD3 is a protein complex and a crucial part of the T-cell receptor (TCR) on immune cells called T lymphocytes. It plays a vital role in activating these cells, which are essential for the body's immune response. In the context of alopecia, understanding CD3 can be important because T cells can sometimes mistakenly attack hair follicles, leading to hair loss.

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Bald Scalp in Men with Androgenetic Alopecia Retains Hair Follicle Stem Cells but Lacks CD200-Rich and CD34-Positive Hair Follicle Progenitor Cells

research Bald Scalp in Men with Androgenetic Alopecia Retains Hair Follicle Stem Cells but Lacks CD200-Rich and CD34-Positive Hair Follicle Progenitor Cells

235 citations, January 2011 in “Journal of Clinical Investigation”

Men with baldness due to androgenetic alopecia still have hair stem cells, but lack specific cells needed for hair growth.

research The Effect of CD34+ Cell-Containing Autologous Platelet-Rich Plasma Injection on Pattern Hair Loss: A Preliminary Study

88 citations, December 2012 in “Journal of The European Academy of Dermatology and Venereology”

Injecting CD34+ cell-containing platelet-rich plasma into the scalp can improve hair count and thickness in people with pattern hair loss.

research Stem Cell Markers (Cytokeratin 15, CD34, and Nestin) in Primary Scarring and Nonscarring Alopecia

54 citations, January 2009 in “British Journal of Dermatology”

Scarring alopecia affects different hair follicle stem cells than nonscarring alopecia, and the infundibular region could be a new treatment target.

research CD34 Defines Melanocyte Stem Cell Subpopulations With Distinct Regenerative Properties

41 citations, April 2019 in “PLOS genetics”

CD34+ and CD34- melanocyte stem cells have different regenerative abilities.

Alopecia Areata Patients Show Deficiency of FOXP3+CD39+ T Regulatory Cells and Clonotypic Restriction of Treg TCRβ-Chain, Highlighting the Immunopathological Aspect of the Disease

research Alopecia Areata Patients Show Deficiency of FOXP3+CD39+ T Regulatory Cells and Clonotypic Restriction of Treg TCRβ-Chain, Highlighting the Immunopathological Aspect of the Disease

30 citations, July 2019 in “PloS one”

Patients with Alopecia areata have fewer specific immune cells that normally regulate the immune system, which may contribute to the condition.

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community A reasonably reputable guy claims that he has reversed his hairloss. Could be an interesting read.

16 upvotes 9 years ago

A user shared a blog post by "swissTemples" claiming to have reversed hair loss using a combination of treatments including suppressing PGD2 and increasing PGE2. The user noted that "swissTemples" has been banned from forums, possibly due to conflicts of interest.

community My hair loss journey, natural DHT blocker first then Finasteride 1mg every day.

in Progress Pictures 153 upvotes 5 months ago

The user experienced hair regrowth and stopped hair loss using a natural DHT blocker and later finasteride, despite initial side effects. They plan to add topical minoxidil to address remaining thin spots.