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GlossaryBulge Region

specific area in hair follicle housing stem cells

The bulge region is a specific area located in the outer root sheath of a hair follicle. It contains a reservoir of stem cells that are crucial for hair growth and regeneration. These stem cells can also contribute to the repair of the skin and other tissues, making the bulge region essential for both hair health and overall skin maintenance.

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Cells Within the Bulge Region of Mouse Hair Follicle Transiently Proliferate During Early Anagen: Heterogeneity and Functional Differences of Various Hair Cycles

research Cells Within the Bulge Region of Mouse Hair Follicle Transiently Proliferate During Early Anagen: Heterogeneity and Functional Differences of Various Hair Cycles

130 citations, January 1994 in “Differentiation”

Mouse hair follicle cells briefly grow during the early hair growth phase, showing that these cells are important for starting the hair cycle.

Involvement of the Bulge Region with Decreased Expression of Hair Follicle Stem Cell Markers in Senile Female Cases of Alopecia Areata

research Involvement of the Bulge Region with Decreased Expression of Hair Follicle Stem Cell Markers in Senile Female Cases of Alopecia Areata

20 citations, December 2010 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology”

Decreased CD200 in hair follicles may cause immune issues in some alopecia areata cases.

$Human Keratinocytes Derived from the Bulge Region of Hair Follicles Are Refractory to Differentiation$

research Human Keratinocytes Derived from the Bulge Region of Hair Follicles Are Refractory to Differentiation

8 citations, April 2009 in “International journal of oncology”

Hair follicle cells resist turning into skin cells.

research In Vitro Identification of a Stem Cell Population from Canine Hair Follicle Bulge Region

5 citations, December 2017 in “Tissue and cell/Tissue & cell”

Researchers found stem cells in dog hair follicles using specific markers.

research The Effect of Proteolytic Enzymes on Hair Follicles of Transgenic Mice Expressing the Lac Z-Protein in Cells of the Bulge Region

5 citations, July 1999 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology”

Proteolytic enzymes damage hair follicles by detaching stem cells.

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community Diffuse hair loss and scalp biopsies

in Research 692 upvotes 3 months ago

Scalp biopsies are crucial for diagnosing hair loss conditions like Diffuse Unpatterned Alopecia (DUPA) and retrograde hair loss, as treatments like finasteride and dutasteride may not be effective if other conditions are present. Combining PPAR-GAMMA agonists with retinoids could improve treatments for conditions like Lichen Planopilaris.

community HairClone developing cell replacement treatments for Hair Loss

6 upvotes 5 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.

community Hair theory Scar tissue and Verteporfin

in Chat 25 upvotes 5 months ago

A user suggests that deeper microneedling with Verteporfin injections might help regrow hair in areas with scar tissue, alongside a DHT blocker. Another user explains that hair loss might be due to reduced Wnt/β-Catenin signaling and suggests that treatments like Minoxidil, Finasteride, and microneedling could potentially reverse it.

community Neck tension, and hair loss, I am 100 percent sure that there is a connection

in Treatment 19 upvotes 6 months ago

The user believes neck tension and poor posture contribute to hair loss, noticing improvements with yoga and muscle relaxation. Replies suggest androgenic alopecia as the cause and recommend exercises.

community Dutasteride Mesotherapy Works – Just 1 month results

in Progress Pictures 109 upvotes 2 years ago

The effectiveness of using dutasteride mesotherapy as a hair loss treatment, with other protocols such as microneedling, vitamin D and B12, zinc, and biotin. The user's results were positive after 4-6 months without any serious side effects.

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