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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 No progress after 8 months Finasteride & 2.5 years Minoxidil – need help

in General 202 upvotes 11 hours ago

A 22-year-old male has been using Minoxidil for 2.5 years and Finasteride for 8 months without significant improvement in hair loss. Despite adding supplements and other treatments, hair density remains low, and he seeks advice on further options.

community 6 months Fin + Min progress

in Journals / Progress Pictures 67 upvotes 1 day ago

A 20-year-old has been using finasteride and minoxidil tablets for over six months with minimal hair improvement. They also use topical minoxidil twice daily and recently started derma rolling, questioning if a hair transplant is necessary.

community Progress of a month. Will update. 0.5mg oral dut daily

in Journals / Progress Pictures 35 upvotes 3 days ago

The user is documenting their hair loss progress using 0.5mg oral dutasteride daily. They shared pictures and received encouragement.

Should i do a hair transplant in my current state? Ive heard that HTs on diffuse thinners could kill existing follicles and be a net negative overall…Please help!

community Should i do a hair transplant in my current state? Ive heard that HTs on diffuse thinners could kill existing follicles and be a net negative overall…Please help!

in General 13 upvotes 1 week ago

Considering a hair transplant for diffuse thinning may harm existing follicles. Treatments mentioned include Minoxidil, finasteride, and RU58841.

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