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GlossaryCell Density

number of cells in a specific volume or area

Cell density refers to the number of cells present in a given volume or area of a tissue or culture. In the context of hair and alopecia, understanding cell density can help researchers determine the health and growth potential of hair follicles, as higher cell density in hair follicles might indicate robust hair growth, while lower cell density could be associated with thinning hair or hair loss.

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Research

5 / 1000+ results

research Cell Density-Dependent Upregulation of PDCD4 in Keratinocytes and Its Implications for Epidermal Homeostasis and Repair

10 citations , December 2015 in “International Journal of Molecular Sciences”

PDCD4 is important for controlling skin cell growth and healing.

research The Effects of Lower vs Higher Cell Number of Platelet-Rich Plasma (PRP) on Hair Density and Diameter in Androgenetic Alopecia (AGA): A Randomized, Double-Blinded, Placebo, Parallel-Group Half-Scalp IRB-Approved Study.

6 citations , May 2021 in “Aesthetic Surgery Journal”

Higher cell number PRP improves hair density and diameter more than lower cell number PRP.

research 653 Substance P ameliorates epidermal thickness, basal cell density, and asymmetric stem cell self-renewal in skin with decreased sensory innervation

July 2024 in “Journal of Investigative Dermatology”

Substance P helps restore skin thickness and cell renewal when sensory nerves are reduced.

research Commentary on: The Effects of Lower vs Higher Cell Number of Platelet-Rich Plasma (PRP) in Hair Density and Diameter in Androgenetic Alopecia (AGA): A Randomized, Double-Blinded, Placebo, Parallel-Group Half-Scalp IRB Study

June 2021 in “Aesthetic Surgery Journal”

PRP improves hair growth in AGA, but higher concentrations aren't significantly better than lower ones.

Feather Arrays Are Patterned by Interacting Signaling and Cell Density Waves

research Feather arrays are patterned by interacting signalling and cell density waves

133 citations , February 2019 in “PLoS Biology”

Feather patterns in birds are shaped by signaling interactions and cell movements, with EDA/EDAR crucial for pattern formation.

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Community Join

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community New Hair Loss Treatment: Adipose Derived Secretomes

in Research/Science 17 upvotes 1 year ago

Adipose-derived stem cell secretome showed significant improvement in hair density and growth, especially when combined with minoxidil, suggesting a synergistic effect. The study had limitations, including a small sample size and potential bias.

community Has anyone here actually undergone experimental (grey market) hair cell therapy/follicle cloning?

in Technology 6 upvotes 3 months ago

Hair cell therapy and follicle cloning are still in experimental stages, with treatments like hair multiplication and regenerative hair therapy being marketed but not yet proven to create unlimited new follicles. There is skepticism about the effectiveness and legitimacy of these treatments, with some considering them scams.

community What do you guys think of stem cell hai restoration?

in Chat 9 upvotes 7 months ago

Stem cell hair restoration lacks scientific evidence and is often considered a scam. Effective hair loss treatments include hair transplants, Minoxidil, and Finasteride, but stem cell treatments are not proven.

community Stem-cell hair transplants! 20k lab grown grafts from one single graft

in Chat 46 upvotes 2 years ago

Stem-cell hair transplants could potentially create thousands of grafts from a single donor graft, offering a solution for hair loss with DHT-resistant hair. Companies like Stemson Therapeutics and OrganTech are working on this technology, which may become available in the future, possibly reducing the cost and making it widely accessible.

community HairClone developing cell replacement treatments for Hair Loss

7 upvotes 7 years ago

HairClone is developing cell replacement treatments to rejuvenate and generate hair follicles, and has launched a crowdfunding campaign. A user expressed skepticism about the need for crowdfunding.

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