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GlossaryMacrophage Infiltration

immune cells moving into tissue, often due to injury

Macrophage infiltration refers to the process where macrophages, a type of immune cell, move into a specific tissue or area in the body, often in response to injury or infection. These cells help to clear out debris, pathogens, and dead cells, and can also signal other immune responses. In the context of hair and alopecia, macrophage infiltration can influence hair follicle health and potentially contribute to hair loss or regrowth.

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Fibroblast Growth Factor-9 Enhances M2 Macrophage Differentiation and Attenuates Adverse Cardiac Remodeling in the Infarcted Diabetic Heart

research Fibroblast Growth Factor-9 Enhances M2 Macrophage Differentiation and Attenuates Adverse Cardiac Remodeling in the Infarcted Diabetic Heart

44 citations, March 2015 in “PLOS ONE”

Fibroblast Growth Factor-9 (FGF-9) can help improve heart function in diabetic mice after a heart attack by reducing inflammation and harmful changes to the heart's structure.

research Alopecia Areata in C3H/HeJ Mice Involves Leukocyte-Mediated Root Sheath Disruption in Advance of Overt Hair Loss

37 citations, November 2003 in “Veterinary pathology”

Hair loss in mice starts with immune cells damaging hair roots before it becomes visible.

Sterol Intermediates of Cholesterol Biosynthesis Inhibit Hair Growth and Trigger an Innate Immune Response in Cicatricial Alopecia

research Sterol Intermediates of Cholesterol Biosynthesis Inhibit Hair Growth and Trigger an Innate Immune Response in Cicatricial Alopecia

22 citations, June 2012 in “PLOS ONE”

Cholesterol-related compounds can stop hair growth and cause inflammation in a type of scarring hair loss.

research Adipose Stem Cells From Type 2 Diabetic Mice Exhibit Therapeutic Potential In Wound Healing

21 citations, July 2020 in “Stem Cell Research & Therapy”

Fat stem cells from diabetic mice can still help heal wounds.

research Stress, Hair Growth Control, and the Neuro-Endocrine-Immune Connection

7 citations, October 2000 in “Allergo Journal”

Stress may affect hair growth by influencing hair follicle development and could contribute to hair loss.

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community The Worst Hair Loss Condition You (MAY) have: LPP

in Research/Science 43 upvotes 3 months ago

Lichen Planopilaris (LPP) is an autoimmune condition causing permanent hair loss and fibrosis, often misdiagnosed. Treatments include pioglitazone, topical corticosteroids, anti-inflammatory medication, and Jak inhibitors.

community Diffuse hair loss and scalp biopsies

in Research 692 upvotes 4 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 Verteporfin and Microneedling

in Treatments 6 months ago

Clinical studies by Dr. Barghouthi and Dr. Bloxham indicate that Verteporfin, when used with FUE and FUT hair transplantation methods, shows promise in hair follicle regeneration and minimal scarring due to its ability to inhibit Yes-associated protein (YAP). Microneedling at depths of 3-3.5mm, combined with Verteporfin, could potentially reactivate dormant follicles, although the optimal dosage and application method are still under investigation. Concerns remain about the DHT sensitivity of regenerated follicles, highlighting the need for further research to optimize trauma levels and Verteporfin concentrations to achieve effective and scar-free hair regeneration.