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GlossaryCluster of Differentiation (CD)

system for identifying cell surface molecules, especially on white blood cells

Cluster of Differentiation (CD) refers to a system used to identify and classify surface molecules on cells, particularly white blood cells, which are critical for the immune system. These molecules serve as markers that help differentiate between various cell types and their functions, and are often used in medical diagnostics and research to understand immune responses and diseases.

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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 Transcriptional Repressor CDP (Cutl1) Is Essential for Epithelial Cell Differentiation of the Lung and the Hair Follicle

165 citations, September 2001 in “Genes & development”

CDP is crucial for lung and hair follicle cell development.

research Skin CD4+ Memory T Cells Exhibit Combined Cluster-Mediated Retention and Equilibration with the Circulation

155 citations, May 2016 in “Nature communications”

Memory T cells in the skin balance staying put and moving into the blood, clustering around hair follicles, and increasing in number after infection.

research Prevention of Chemotherapy-Induced Alopecia in Rats by CDK Inhibitors

153 citations, January 2001 in “Science”

Using CDK inhibitors on rats showed a reduction in chemotherapy-caused hair loss, but later experiments could not repeat these results.

research Hyaluronate Fragments Reverse Skin Atrophy by a CD44-Dependent Mechanism

135 citations, December 2006 in “PLoS Medicine”

Hyaluronate fragments can help reverse skin thinning by working with the CD44 receptor.

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community Can anyone tell me if this might be dangerous or good for my hair/head/body ?

in Question 7 years ago

A user is asking if a new hair product, Cypress Premium Vials Energy and Cypress Premium Shampoo Energy, could be dangerous or worsen their hair condition. The product contains various ingredients including water, alcohol, menthyl lactate, and several extracts.

community Am I shedding? Cooked? Progress seems to be regressing

in Journals / Progress Pictures 50 upvotes 1 day ago

The user started taking 1 mg finasteride daily in September 2024 and began derma stamping twice a week, noticing progress initially but now experiencing increased scalp visibility. They are considering adding oral or topical minoxidil to their routine for further improvement.

community M22:Hair Query. Advice Needed

in General 56 upvotes 3 days ago

Rapid weight loss led to hair thinning and shedding. Suggested treatments include minoxidil, finasteride, ketoconazole shampoo, and CBD with MCT oil.

community Fin/Min (Oral). Roughly 6 months and I feel like its only gotten worse

in Journals / Progress Pictures 94 upvotes 1 week ago

The user has been using oral minoxidil, finasteride, and ketoconazole for hair loss but feels their condition has worsened over six months. They are considering whether to continue with the current treatment or try additional methods.

community Norwood scale ? 28m

in General 68 upvotes 1 week ago

A 28-year-old is assessing their hair loss on the Norwood scale, considering adding topical minoxidil and dermastamping to their current regimen of oral finasteride and minoxidil. They feel their hair loss is worsening and seek opinions on their condition.

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