May 2022 in “Brazilian Journal of Health Review” COVID-19 infection can cause temporary hair loss due to stress, treatment drugs, psychological impact, and pandemic-related stress.
7 citations
,
May 2020 in “Trends in molecular medicine” The document concludes that the immune-inhibitory environment of the hair follicle may prevent melanoma development.
November 2014 in “Journal of Cell Biology” Valentina Greco's research shows that the environment around hair follicle stem cells is more crucial for regeneration than the stem cells themselves.
October 2020 in “International Journal of Research in Dermatology” The review suggests more research is needed to understand Frontal fibrosing alopecia, a condition causing hairline recession in postmenopausal women.
27 citations
,
December 1997 in “Archives of Dermatological Research” Rat dermal papilla cells have unique properties and interact differently with their environment compared to other skin cells.
3 citations
,
December 2018 in “Routledge eBooks” Hair is made of strong keratin fibers that protect against the environment.
75 citations
,
March 2014 in “Journal of Investigative Dermatology” Aging mice have slower hair regeneration due to changes in signal balance, but the environment, not stem cell loss, controls this, suggesting treatments could focus on environmental factors.
November 2023 in “Frontiers in veterinary science” The study provides insights into hair growth mechanisms in yaks.
January 2015 in “Springer eBooks” Hair health is influenced by genetics, aging, and environmental factors, with proper care needed to maintain it.
July 2023 in “Veterinary pathology” White-tailed deer can get a hair loss condition that might make them more vulnerable to environmental threats.
450 citations
,
January 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color is determined by melanin produced and transferred in hair follicles.
23 citations
,
March 2010 in “Medical hypotheses” Merkel cells may have roles in sensing magnetic fields, creating fingerprints, Reiki energy healing, passing on environmental information to offspring, and influencing hair shape.
14 citations
,
December 1991 in “PubMed” The document explains how hair follicles develop in humans.
8 citations
,
June 2009 in “British Journal of Dermatology” Human melanocytes in skin and hair follicles don't express keratin 16 or 6 naturally.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” T cells with memory features grow in number and gather around hair follicles when there are not enough immune cells.
March 2026 in “Biomolecules” MicroRNAs play a key role in controlling hair growth and quality in sheep and goats.
83 citations
,
January 2015 in “World Journal of Stem Cells” Hair follicle regeneration needs special conditions and young cells.
109 citations
,
October 2007 in “Journal of pineal research” Melatonin helps regulate hair growth and protects the hair follicle from stress.
77 citations
,
July 2020 in “Cell” Muscles and nerves that cause goosebumps also help control 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.
57 citations
,
November 1998 in “Wound Repair and Regeneration” Hair papilla cells can create and regenerate hair bulbs under the right conditions.
51 citations
,
May 2019 in “Biomaterials” Researchers developed a method to grow hair follicles using special beads that could help with hair loss treatment.
46 citations
,
January 1988 in “PubMed” Hair follicle mites might spread harmful microorganisms.
43 citations
,
April 2010 in “Developmental Biology” Sebaceous glands can form new hair follicles when activated, but hair follicle bulges cannot.
38 citations
,
June 2017 in “The Journal of Dermatology” Aging in hair follicle stem cells leads to hair graying, thinning, and loss.
21 citations
,
December 2007 in “Journal of Investigative Dermatology” Hair follicles evolved from oil glands, with hair aiding secretion transport.
15 citations
,
October 2012 in “Journal of circadian rhythms” RNA from horse hair follicles can track circadian rhythms non-invasively.
10 citations
,
June 2015 in “Seminars in cutaneous medicine and surgery” Hair loss can be caused by various factors, and treatments focus on restoring normal hair growth.
9 citations
,
June 1999 in “Journal of Investigative Dermatology” The HPV type 11 region activates hair-specific gene expression in mice.
8 citations
,
March 2019 in “Journal of Biomedical Materials Research Part A” Sulfated hyaluronan in collagen helps hair follicle cells grow and develop better for skin grafts.