90 citations
,
December 2008 in “Journal of Investigative Dermatology” Thyroid-stimulating hormone affects hair follicles but doesn't change hair growth or color.
115 citations
,
August 2008 in “The Journal of Clinical Endocrinology & Metabolism” In this study, T3 and T4 were found to directly influence human hair follicles in vitro, enhancing keratinocyte proliferation, prolonging the hair growth phase, and affecting pigmentation.
42 citations
,
March 2008 in “Molecular and Cellular Endocrinology” This review explores the potential (neuro-)endocrine influences on hair follicle epithelial stem cell biology and emphasizes the need for more systematic research, but it provides no new empirical results.
127 citations
,
January 2008 in “PloS one” This study observed that the vitamin D receptor is crucial for hair follicle formation and altering tumor development in the Wnt signaling pathway, suggesting therapeutic potential for vitamin D analogues in related tumors.
39 citations
,
November 2007 in “Experimental dermatology” This study found that prostaglandin receptors are widely expressed in hair follicles, suggesting a complex network of prostanoid pathways involved in hair growth control.
22 citations
,
November 2007 in “Journal of Investigative Dermatology Symposium Proceedings” This presentation reviews recent discoveries about signaling mechanisms in hair follicles and their potential influence on hair cycle control and melanogenesis, without presenting new experimental results.
19 citations
,
September 2007 in “The Journal of Steroid Biochemistry and Molecular Biology” Glucocorticoid receptors help regulate genes important for skin health and hair growth.
65 citations
,
August 2007 in “Experimental Dermatology” This study found that prostaglandin metabolism enzymes are present in human hair follicles, suggesting a potential role in hair growth and differentiation, with some expression differences between men and women.
67 citations
,
August 2007 in “American Journal of Pathology” This study found that overexpression of the mineralocorticoid receptor in a mouse model led to premature epidermal barrier development, keratinocyte apoptosis, and postnatal alopecia, indicating new roles for MR signaling in skin physiology.
71 citations
,
May 2007 in “The FASEB journal” This study found that human hair follicles express erythropoietin and its receptor, suggesting these follicles may use erythropoietin signaling to modulate apoptosis under stress conditions like hypoxia and chemotherapy.
138 citations
,
March 2007 in “Experimental cell research” This review discusses hair keratins and hair follicle-specific epithelial keratins and their association with inherited hair disorders, reporting no new clinical results.
159 citations
,
July 2006 in “Endocrine Reviews” This article discusses the influence of estrogens on hair follicle growth and metabolism, suggesting a significant role alongside androgens in hair growth control but reports no new clinical results.
128 citations
,
March 2006 in “American Journal of Pathology” The study found that prolactin expressed in human scalp hair follicles acts as an autocrine modulator, inhibiting hair growth and promoting hair follicle regression, which may contribute to hair loss in hyper-prolactinemia patients.
38 citations
,
November 2005 in “Journal of Investigative Dermatology Symposium Proceedings” 18 citations
,
November 2005 in “Archives of Dermatological Research”
71 citations
,
August 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” This study revealed that human keratin-associated protein genes are expressed in specific patterns in hair fiber regions and vary in size, with some variations distinct across different populations.
56 citations
,
August 2005 in “Journal of Investigative Dermatology Symposium Proceedings” This review discusses the complex interaction between androgens and hair follicle biology, highlighting the need for a better understanding to improve hirsutism treatments, but reports no new results.
99 citations
,
June 2005 in “Endocrinology” This study found that applying supraphysiologic doses of topical T3 significantly accelerated wound healing in mice compared to a control vehicle, suggesting its potential as a cost-effective wound treatment.
92 citations
,
June 2005 in “Journal of Investigative Dermatology” This study found that the retinoid all-trans retinoic acid induced a catagen-like stage in human scalp hair follicles, suggesting upregulation of TGF-beta2 as a contributing mechanism.
46 citations
,
March 2005 in “Endocrinology” In this study, ectoderm-targeted transgenic mice with glucocorticoid receptor overexpression exhibited multiple epithelial defects, suggesting the role of NF-kappaB and p63 dysfunction in ectodermal dysplasia syndromes.
276 citations
,
January 2005 in “International review of cytology” More research is needed to understand how hair keratins work and their role in hair disorders.
53 citations
,
September 2004 in “American journal of medical genetics. Part C, Seminars in medical genetics” This review discusses the range of diseases caused by mutations in keratin intermediate filament genes and presents no new clinical findings; the authors note the diverse phenotypes within this molecular category.
49 citations
,
March 2004 in “Journal of Investigative Dermatology” This study found that the hHa7 gene in hair follicle trichocytes is the first identified to have its expression directly regulated by androgens, suggesting it as a marker for androgen action on hair follicles.
146 citations
,
January 2004 in “Hormones” This review explores the complex endocrine functions of human skin and its role as a peripheral endocrine organ, but reports no new clinical results.
26 citations
,
December 2003 in “Experimental Dermatology” In this study, researchers identified two de novo germline missense mutations in the hair keratins hHb1 and hHb6 in patients with monilethrix whose parents were not clinically affected.
98 citations
,
April 2003 in “Die Naturwissenschaften”
40 citations
,
October 2002 in “Endocrinology” In this study, synthetic vitamin D3 analogs stimulated hair growth and formation of normal hair follicles in nude mice, unlike the natural form 1,25 dihydroxyvitamin D3.
122 citations
,
June 2002 in “Genes & Development” This study found that K17 is crucial for the structural integrity and survival of hair-producing cells, with K17 null mice developing alopecia due to hair fragility and follicular alterations.
32 citations
,
January 2000 in “Human Heredity” This study found that the mutation Glu402Lys in keratin hHb6 may be associated with monilethrix, and homozygous patients in a consanguineous family exhibited more severe symptoms.
235 citations
,
July 1999 in “Journal of biological chemistry/The Journal of biological chemistry” This study establishes a catalog of human type I hair keratins and identifies their specific roles and expression patterns during hair differentiation and growth in scalp follicles.
70 citations
,
March 1997 in “Journal of Investigative Dermatology”
124 citations
,
August 1994 in “Journal of Investigative Dermatology” This study found that applying dexamethasone to mice induced catagen-like follicle changes significantly earlier and more consistently than a vehicle, such changes being useful for studying hair follicle regression.
77 citations
,
January 1993 in “Skin Pharmacology and Physiology” In this study, topically applied glucocorticosteroids were found to block hair growth at the stage of hair formation, but not the initiation of hair growth, in a mouse model.