Testosterone and dihydrotestosterone can slow down the growth of certain hair follicle cells.
November 2022 in “Regenerative Therapy” Advancements in tissue engineering show promise for hair follicle regeneration to treat hair loss.
April 2018 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” 14 citations,
April 2021 in “International journal of molecular sciences” Mesenchymal stem cells may help treat hair loss by improving hair cell growth and reducing inflammation.
4 citations,
December 1962 in “European journal of endocrinology” Alloxan diabetes, methylthiouracil, cortisone, and adrenaline affect how white mice hair follicles use glucose and cystine and their cell division.
February 2024 in “International Journal of Health and Pharmaceutical” Black rice extract ointment significantly promotes hair growth in Wistar rats.
September 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” N-acetyl-GED may help prevent and partially reverse a process that leads to scarring hair loss.
April 2016 in “Journal of Investigative Dermatology” Blocking Prostaglandin D₂ (PGD₂) could help treat hair loss.
278 citations,
August 2004 in “Best Practice & Research in Clinical Obstetrics & Gynaecology” Polycystic ovaries are defined by having 12 or more small follicles in each ovary and are found in up to 33% of women, while Polycystic Ovary Syndrome (PCOS) is the most common hormone disorder in women of reproductive age, potentially increasing risk of obesity, diabetes, and heart diseases.
19 citations,
December 2001 in “Dermatologic Therapy” Horizontal scalp biopsy sections are better for diagnosing alopecia areata, showing fewer hair follicles and more miniaturized hairs.
829 citations,
May 2007 in “Nature” Hair follicles can regrow in wounded adult mouse skin using a process like embryo development.
759 citations,
February 2009 in “Current Biology” Hair follicles are complex, dynamic mini-organs that help us understand cell growth, death, migration, and differentiation, as well as tissue regeneration and tumor biology.
745 citations,
February 1992 in “Trends in genetics” Hair follicles create different cell layers and proteins, controlled by various molecules.
286 citations,
August 2007 in “Journal of Clinical Investigation” Alopecia areata is an autoimmune disease where T cells attack hair follicles.
263 citations,
February 2011 in “Journal of Controlled Release” Medium-sized particles penetrate hair follicles better than smaller or larger ones, which could improve delivery of skin treatments.
253 citations,
December 2007 in “Journal of Investigative Dermatology” Hair follicles prevent NK cell attacks to avoid hair loss.
236 citations,
July 2001 in “Trends in Molecular Medicine” Future hair loss treatments should aim to extend hair growth, reactivate resting follicles, reverse shrinkage, and possibly create new follicles, with gene therapy showing promise.
218 citations,
January 2013 in “The Lancet Oncology” Chemotherapy causes hair loss by damaging hair follicles and stem cells, with more research needed for prevention and treatment.
214 citations,
April 2017 in “Cell” Different small areas within hair follicles send specific signals that control what type of cells stem cells become.
211 citations,
April 2013 in “Development” More dermal papilla cells in hair follicles lead to larger, healthier hair, while fewer cells cause hair thinning and loss.
211 citations,
February 2009 in “European journal of pharmaceutics and biopharmaceutics” Hair follicles help absorb and store topical compounds, aiding targeted drug delivery.
185 citations,
August 2005 in “Autoimmunity Reviews” Alopecia areata is an autoimmune condition causing hair loss due to the immune system attacking hair follicles, often influenced by genetics and stress.
181 citations,
July 2004 in “Journal of controlled release” Smaller nanoparticles improve minoxidil absorption through hair follicles.
156 citations,
October 2012 in “Seminars in Cell & Developmental Biology” Different types of stem cells in hair follicles play unique roles in wound healing and hair growth, with some stem cells not originating from existing hair follicles but from non-hair follicle cells. WNT signaling and the Lhx2 factor are key in creating new hair follicles.
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.
141 citations,
November 2005 in “International journal of pharmaceutics” Hair follicles may soon be used more for targeted and systemic drug delivery.
134 citations,
July 2020 in “Experimental dermatology” Hair follicles are normally protected from the immune system, but when this protection fails, it can cause hair loss in alopecia areata.