343 citations,
December 2008 in “Endocrine Reviews” Metformin helps with menstrual cycles and insulin levels in PCOS but is less effective for hair growth, diabetes prevention, and weight loss, and may improve fertility and reduce diabetes risk.
321 citations,
December 2009 in “Journal of Dermatological Science” Dermal cells are key in controlling hair growth and could potentially be used in hair loss treatments, but more research is needed to improve hair regeneration methods.
286 citations,
June 2012 in “Nature Immunology” Hair follicles help attract immune cells to the skin during stress.
235 citations,
July 1999 in “Journal of biological chemistry/The Journal of biological chemistry” Human hair is made up of different keratins, some strong and some weak, with specific types appearing at various stages of hair growth.
204 citations,
February 2000 in “Current Medicinal Chemistry” Antiandrogens like flutamide are effective in treating conditions like prostate cancer and hair loss, but there's a need for more potent versions. Understanding their structure can help develop better treatments.
185 citations,
December 2011 in “Molecular and cellular endocrinology” Skin cells produce and activate vitamin D, which regulates skin functions and supports hair growth.
173 citations,
August 2015 in “Developmental cell” The study identified unique genes in hair follicle cells and their environment, suggesting these genes help organize cells for hair growth.
161 citations,
August 2012 in “Seminars in cell & developmental biology” Hair growth and development are controlled by specific signaling pathways.
160 citations,
January 2014 in “Seminars in cell & developmental biology” Early development of hair, teeth, and glands involves specific signaling pathways and cellular interactions.
158 citations,
August 2011 in “Reviews in endocrine and metabolic disorders” Vitamin D and its receptor regulate skin functions like cell growth, immunity, hair cycle, and tumor prevention.
149 citations,
June 2010 in “The FASEB journal” miR-31 regulates hair growth by controlling gene expression in hair follicles.
148 citations,
December 2018 in “Journal of autoimmunity” Alopecia areata is an autoimmune disease causing patchy hair loss, often with other autoimmune disorders, but its exact causes are unknown.
139 citations,
February 2014 in “Journal of Advanced Research” Vitamin D is important for skin health and may affect conditions like psoriasis and hair loss, but more research is needed to understand its role fully.
133 citations,
August 1969 in “Science” Melatonin causes weasels to grow white fur and become reproductively inactive.
130 citations,
December 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair follicle melanocytes die during hair regression.
127 citations,
January 2015 in “Journal of Biological Rhythms” The skin's internal clock affects healing, cancer risk, aging, immunity, and hair growth, and disruptions can harm skin health.
119 citations,
December 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” Nanoparticles can deliver vaccines through hair follicles, triggering immune responses and providing protection.
116 citations,
August 2010 in “Nature” Scientists turned rat thymus cells into stem cells that can help repair skin and hair.
111 citations,
January 2007 in “Seminars in cell & developmental biology” Hair, teeth, and mammary glands develop similarly at first but use different genes later.
98 citations,
December 2008 in “Journal of Investigative Dermatology” Prolactin affects hair growth and skin conditions, and could be a target for new skin disease treatments.
86 citations,
May 2008 in “Cytokine & growth factor reviews” TNF family proteins are crucial for the development of skin features like hair, teeth, and mammary glands.
82 citations,
February 2017 in “Cold Spring Harbor Perspectives in Biology” The TGF-β family helps control how cells change and move, affecting skin, hair, and organ development.
82 citations,
March 2012 in “Development” Drosha and Dicer are essential for hair follicle health and preventing DNA damage in skin cells.
81 citations,
October 2014 in “The journal of investigative dermatology/Journal of investigative dermatology” Certain genes control the color of human hair by affecting pigment production.
76 citations,
December 2018 in “Aesthetic Plastic Surgery” Platelet-rich plasma may help in skin and hair treatments, and with muscle and joint healing, but more research is needed to fully understand its benefits and limitations.
75 citations,
May 1986 in “Clinics in endocrinology and metabolism” Male hormones are important for hair and oil gland development and can cause conditions like excessive hair growth and acne.
71 citations,
January 2012 in “PloS one” The conclusion is that genetic differences affect how the cochlea heals after hair cell loss, which may challenge the creation of hearing loss treatments.
69 citations,
August 1999 in “Developmental biology” The nude gene causes skin cell overgrowth and improper development, leading to hair and urinary issues.
67 citations,
August 2007 in “American Journal of Pathology” Overexpressing the mineralocorticoid receptor in mouse skin causes skin thinning, early skin barrier development, eye issues, and hair loss.
65 citations,
February 2017 in “Pflügers Archiv - European Journal of Physiology” Macrophages are vital for skin healing, hair growth, salt balance, and cancer defense.