44 citations,
September 2019 in “The EMBO Journal” Lymphatic vessels are essential for hair follicle growth and skin regeneration.
45 citations,
April 2019 in “International Immunology” The study concluded that immune cells attacking hair follicles cause hair loss in alopecia, with genetics and environment also playing a role, and highlighted the potential of certain treatments.
101 citations,
March 2019 in “Cell Stem Cell” Certain immune cells in the skin release a protein that stops hair growth by keeping hair stem cells inactive.
18 citations,
January 2019 in “Experimental Dermatology” Certain cells outside the hair follicle's bulge area can quickly regenerate damaged hair follicles, potentially helping to reduce hair loss from cancer treatments.
95 citations,
November 2018 in “Australasian journal of dermatology” Alopecia areata treatment varies, with no optimal method established yet.
46 citations,
October 2018 in “JCI insight” CD8+ T cells are involved in alopecia areata and may cause disease relapse.
43 citations,
August 2018 in “Cell Stem Cell” Hoxc genes control hair growth through Wnt signaling.
63 citations,
July 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” JAK inhibitors can effectively reverse hair loss in people with alopecia areata.
61 citations,
June 2018 in “Proceedings of the National Academy of Sciences of the United States of America” Light can turn on hair growth cells through a nerve path starting in the eyes.
31 citations,
June 2018 in “Dermatologic Surgery” Low-level light therapy safely improves hair coverage, thickness, and count in androgenetic alopecia patients.
65 citations,
January 2018 in “Nature Reviews Endocrinology” Skin fat has important roles in hair growth, skin repair, immune defense, and aging, and could be targeted for skin and hair treatments.
102 citations,
December 2017 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Restoring hair bulb immune privilege is crucial for managing alopecia areata.
290 citations,
December 2017 in “Journal of The American Academy of Dermatology” Alopecia areata is an autoimmune condition causing hair loss, influenced by genetics, stress, and diet, and may be prevented by a high soy oil diet.
182 citations,
December 2017 in “Journal of the American Academy of Dermatology” Some treatments can help with a hair loss condition called alopecia areata, but none ensure lasting results; choices depend on the person, with JAK inhibitors showing promise for severe cases.
12 citations,
October 2017 in “Radiation Research” mTORC1 signaling needed for quick hair follicle recovery after radiation damage.
27 citations,
April 2017 in “British Journal of Dermatology” Hair loss involves immune responses, inflammation, and disrupted signaling pathways.
214 citations,
April 2017 in “Cell” Different small areas within hair follicles send specific signals that control what type of cells stem cells become.
117 citations,
March 2017 in “Nature Communications” Macrophages help regrow hair by activating stem cells using AKT/β-catenin and TNF.
35 citations,
January 2017 in “Journal of Dermatological Science” Stress can cause early aging in certain skin cells, leading to problems with hair growth.
75 citations,
October 2016 in “Genes & Development” Cells in hair follicles help create fat cells in the skin by releasing a protein called Sonic Hedgehog.
196 citations,
September 2016 in “JCI insight” Ruxolitinib effectively regrows hair in most patients with severe hair loss.
70 citations,
April 2016 in “Experimental Dermatology” A patient with alopecia areata regrew hair after taking tofacitinib and showed changes in certain blood and skin markers.
242 citations,
February 2016 in “Science” Hair loss and aging are caused by the breakdown of a key protein in hair stem cells.
159 citations,
October 2015 in “Science Advances” Blocking JAK-STAT signaling can lead to hair growth.
66 citations,
July 2015 in “Journal of Molecular Biology” The document concludes that for hair and feather growth, it's better to target the environment around stem cells than the cells themselves.
16 citations,
April 2015 in “Lasers in Surgery and Medicine” Using a fractional laser can stimulate hair growth, but the intensity and duration of inflammation are crucial. Too much can cause ulcers and scarring. Lower beam energy and fewer treatments are recommended to avoid damage.
71 citations,
January 2015 in “Journal of molecular cell biology/Journal of Molecular Cell Biology” mTOR signaling helps activate hair stem cells by balancing out the suppression caused by BMP during hair growth.
35 citations,
December 2014 in “Lasers in surgery and medicine” Red light promotes hair growth by directly stimulating hair cells and improving cell communication.
184 citations,
November 2014 in “Developmental Cell” Hair follicle dermal stem cells are key for regenerating parts of the hair follicle and determining hair type.
701 citations,
August 2014 in “Nature medicine” Alopecia areata can be reversed by JAK inhibitors, promoting hair regrowth.
426 citations,
August 2014 in “Nature Medicine” Skin stem cells interacting with their environment is crucial for maintaining and regenerating skin and hair, and understanding this can help develop new treatments for skin and hair disorders.
130 citations,
March 2014 in “Proceedings of the National Academy of Sciences of the United States of America” Epidermal Wnt/β-catenin signaling controls fat cell formation and hair growth.
38 citations,
November 2013 in “Journal of The American Academy of Dermatology” Higher BMI links to worse hair loss in Taiwanese men.
220 citations,
June 2013 in “The Journal of Pathology” 
300 citations,
August 2012 in “Seminars in Cell & Developmental Biology” The conclusion is that certain cell interactions and signals are crucial for hair growth and regeneration.
124 citations,
July 2012 in “Archives of Dermatological Research” Targeting androgen receptors could be a promising way to treat skin disorders with fewer side effects.
170 citations,
July 2012 in “Journal of Investigative Dermatology” Wnt ligands are crucial for hair growth and repair.
305 citations,
June 2012 in “Nature” Hair regeneration needs dynamic cell behavior and mesenchyme presence for stem cell activation.
421 citations,
April 2012 in “The New England Journal of Medicine” Alopecia Areata is an autoimmune condition causing hair loss with no cure and treatments that often don't work well.
68 citations,
April 2012 in “Journal of Investigative Dermatology” The conclusion is that Fgf18 and Tgf-ß signaling could be targeted for hair loss treatments.
152 citations,
April 2012 in “Recent Patents on Inflammation & Allergy Drug Discovery” Minoxidil treats hair loss, promotes growth, has side effects, and has recent patents.
321 citations,
January 2012 in “Cell stem cell” TGF-β2 helps activate hair follicle stem cells by counteracting BMP signals.
499 citations,
September 2011 in “Cell” Fat-related cells are important for initiating hair growth.
53 citations,
May 2011 in “Dermatologic therapy” Alopecia areata is a skin condition causing hair loss, and its exact cause is unknown, but it may involve biological mechanisms.
396 citations,
May 2011 in “Cell stem cell” Nerve signals are crucial for hair follicle stem cells to become skin stem cells and help in wound healing.
176 citations,
April 2011 in “Science” Hair stem cell regeneration is controlled by signals that can explain different hair growth patterns and baldness.
70 citations,
June 2010 in “Clinics in Dermatology” Certain groups may need vitamin supplements to improve hair health and prevent other health problems.
717 citations,
June 2010 in “Nature” Alopecia areata involves both innate and adaptive immunity, with specific genes linked to the disease.
314 citations,
April 2010 in “Developmental Cell” β-catenin in the dermal papilla is crucial for normal hair growth and repair.
244 citations,
January 2010 in “Journal of the American Academy of Dermatology” The document says current treatments for alopecia areata do not cure or prevent it, and it's hard to judge their effectiveness due to spontaneous remission and lack of studies.
43 citations,
March 2009 in “Archives of dermatology” No treatment showed clear superiority for lichen planopilaris.
90 citations,
July 2008 in “Dermatologic therapy” Lichen planopilaris is a chronic, scarring hair loss condition with no definitive cure, requiring accurate diagnosis and treatment to manage symptoms.
49 citations,
September 2007 in “Journal of Investigative Dermatology” The study found that bioengineered hair follicles work when using cells from the same species but have issues when combining human and mouse cells.
286 citations,
August 2007 in “Journal of Clinical Investigation” Alopecia areata is an autoimmune disease where T cells attack hair follicles.
171 citations,
July 2007 in “Journal of Investigative Dermatology” A substance called DKK-1 increases in balding areas and causes hair cells to die when exposed to DHT.
215 citations,
November 2006 in “Journal of The American Academy of Dermatology” Dutasteride more effective for hair growth, but has more side effects than finasteride.
295 citations,
January 2006 in “Journal of the American Academy of Dermatology” Alopecia areata, a common autoimmune hair loss condition, often runs in families.
78 citations,
June 2003 in “Journal of Investigative Dermatology Symposium Proceedings” TGF-β1 from dermal papilla cells suppresses hair growth, and targeting it may help treat androgenetic alopecia.
195 citations,
May 2003 in “Obstetrics and gynecology (New York. 1953. Online)/Obstetrics and gynecology” Most women with excess hair growth have an underlying hormonal issue, often treated with medication and hair removal methods.
949 citations,
January 2001 in “Cell” Adult mouse skin contains stem cells that can create new hair, skin, and oil glands.
66 citations,
January 2000 in “Hormone Research in Paediatrics” Androgens can both promote and prevent hair growth due to differences in gene expression in hair follicles.
63 citations,
November 1999 in “British journal of dermatology/British journal of dermatology, Supplement” Hair sensitivity to androgens is partly controlled by specific enzyme expressions in different hair areas.
1113 citations,
August 1999 in “The New England Journal of Medicine” Hair follicle biology advancements may lead to better hair growth disorder treatments.
581 citations,
October 1998 in “Journal of The American Academy of Dermatology” Finasteride safely and effectively treats male pattern hair loss, but may cause reversible sexual issues and harm male fetuses.
227 citations,
January 1998 in “Journal of Endocrinology” Cells from balding scalps have more androgen receptors than cells from non-balding scalps.
30 citations,
March 1996 in “British Journal of Dermatology” 
19 citations,
March 1996 in “British Journal of Dermatology” Balding hair follicle cells are smaller, grow less well, and need more effort to culture than non-balding cells.
37 citations,
January 1987 in “Dermatology” Minoxidil stimulates hair growth by increasing hair thickness and prolonging growth phase.
55 citations,
February 1985 in “Archives of Dermatology” Using minoxidil on the scalp can help grow hair for people with hereditary baldness.
55 citations,
February 1985 in “Archives of Dermatology” Minoxidil applied twice daily can help regrow hair in some people with hereditary baldness, with no serious side effects.
95 citations,
December 1980 in “The New England Journal of Medicine” Minoxidil helped bald patient regrow hair.
521 citations,
January 1954 in “Physiological Reviews” Hair growth is cyclic and influenced mainly by local factors.
