6 citations
,
May 2012 in “Archives of Dermatological Research” This study reports a novel missense mutation in the HR gene in a 68-year-old Hungarian woman with alopecia universalis and limb deformities, suggesting a need for further research on its role in these conditions.
6 citations
,
June 2016 in “Journal of cellular biochemistry” This study found that the mammalian Hr protein can interact with the p53 pathway by binding to a specific p53 response element, influencing the regulation of genes involved in cell cycle control.
3 citations
,
March 2016 in “Experimental Dermatology” This study found that a hypomorphic mutation in the Hr gene contributes to the development of diet-induced pruritic atopic skin in mice, particularly when combined with dietary deficiencies of polyunsaturated fatty acids and starch.
15 citations
,
May 2017 in “Journal of Cellular Biochemistry” This review discusses the role of the hairless protein (HR) in alopecia and cancer, noting its potential importance in cancer cell growth and survival, and reports no new experimental results.
78 citations
,
November 2005 in “Endocrinology” This study found that Hairless (Hr) acts as a corepressor of the vitamin D receptor (VDR) in human keratinocytes, blocking the action of vitamin D on keratinocyte differentiation.
3 citations
,
February 2018 in “Experimental and Molecular Medicine/Experimental and molecular medicine” This study suggests that hair loss disorders like Marie Unna hereditary hypotrichosis may result from mutations that disrupt post-transcriptional regulation of HR protein expression by PCPB2 interacting with Hr mRNA.
9 citations
,
July 2011 in “Scientific Reports” This study suggests that human evolution involved accelerated changes in the HR gene, affecting its role in mediating postnatal hair cycling.
January 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” This study found that the mutant hairless rhino bald protein in mice interacts with the vitamin D receptor but cannot repress its transactivation and shows abnormal cellular localization.
19 citations
,
May 2006 in “Clinical and Experimental Dermatology” This study identified a novel insertion mutation in the hairless gene that may contribute to the development of congenital atrichia with papular lesions in a Pakistani family.
January 2008 in “HAL (Le Centre pour la Communication Scientifique Directe)” This study identified complex regulatory elements and interactions involving the Hr gene and HR protein that are crucial for hair follicle formation and cycling in mammals.
September 2016 in “Journal of Dermatological Science” This study reports a case of GGCX syndrome in a 55-year-old Japanese male, characterized by PXE-like symptoms and coagulation deficiency, with an unreported phenotype of possible spinocerebellar degeneration.
January 2002 in “Agritrop (Cirad)” This study found that mutations in exon 3 of the hr gene are strongly associated with congenital hypotrichosis in Valle del Belice sheep, suggesting a potential genetic link to the disorder.
17 citations
,
March 2012 in “Journal of biological chemistry/The Journal of biological chemistry” In this study, researchers found that overexpression of the hairless protein in Hr mutant mice disrupts inner root sheath formation by downregulating Dlx3 and associated keratins in hair follicle development.
September 2025 in “Radboud University Press eBooks” This study investigated AHR signaling's role in skin biology and reported that novel AHR ligands may help restore keratinocyte function and reduce inflammation in skin diseases, suggesting their potential as therapeutic agents.
14 citations
,
July 2010 in “Experimental Dermatology” A new mutation in the HR gene causes hair loss in a specific family.
215 citations
,
September 2003 in “Journal of Biological Chemistry” This study found that the hairless gene product (Hr) suppresses VDR-mediated gene activation by directly interacting with the vitamin D receptor, potentially affecting hair follicle function.
22 citations
,
April 2010 in “Journal of Cellular Biochemistry” This study concluded that the hairless protein interacts with the vitamin D receptor to repress transcription crucial for hair cycling, employing multiple protein interfaces and modulating chromatin structure.
3 citations
,
February 2020 in “The journal of gene medicine” This study found a recurrent nonsense mutation in the HR gene linked to atrichia with papular lesions in two Kashmiri families, suggesting whole exome sequencing as an efficient method for diagnosis and genetic counseling.
13 citations
,
June 2020 in “International Journal of Molecular Sciences” This study found that the humanin analogue HNG significantly promoted hair growth in vitro and in vivo by prolonging the anagen phase and inhibiting hair follicle cell apoptosis in mice.
72 citations
,
October 2009 in “The FASEB journal” This study found that thyrotropin-releasing hormone (TRH) acts as a potent stimulator of hair growth in human scalp hair follicles, promoting elongation and prolonging the anagen phase.
137 citations
,
September 2005 in “Proceedings of the National Academy of Sciences of the United States of America” In this study, researchers found that transgenic expression of the Hairless gene in keratinocytes can restore hair follicle regeneration in Hr-deficient mice by repressing Wise, a modulator of Wnt signaling.
10 citations
,
February 2013 in “British Journal of Dermatology” This study found that TRH modulates specific keratins in human scalp tissue, suggesting its potential influence on hair growth and the need for further exploration of neuroendocrine controls in keratin expression.
181 citations
,
January 2009 in “Nature Genetics” In this study, researchers linked defects in U2HR, an inhibitory region in the HR gene, to Marie Unna hereditary hypotrichosis, suggesting a mechanism for controlling hair growth and addressing hair loss.
37 citations
,
August 2011 in “Journal of Bone and Mineral Research” This study reported a case of hereditary vitamin D–resistant rickets caused by a single heterozygous missense mutation in the VDR gene, showing dominant-negative effects and reduced response to 1,25-dihydroxyvitamin D3.
11 citations
,
January 2015 in “Journal of cellular physiology” This study suggests that abnormal hair cycles in Hr mutant mice may be caused by HR protein overexpression, which down-regulates miR-31 and increases Tgf-β2 expression.
18 citations
,
October 2009 in “Endocrinology” This study demonstrated that both HR isoforms are expressed in keratinocytes, but HRDelta1072-1126 lacks corepressor activity and may act as a coactivator by inhibiting HDAC recruitment to the VDR transcriptional complex.
7 citations
,
December 2015 in “International Journal of Dermatology” In this study, researchers identified a novel and two previously reported pathogenic mutations in the HR gene associated with atrichia with papular lesions in five Pakistani families.
28 citations
,
January 2012 in “Biological & pharmaceutical bulletin” This study found that the protein hairless acts as both a corepressor and coactivator of the vitamin D receptor, influencing gene transcription in a ligand-selective manner.
November 2005 in “PubMed” In this study, the researchers successfully cloned and sequenced the hairless gene cDNA of Kunming mice, revealing high conservation and functional significance among various mammalian species.
October 2023 in “Psychiatry research. Case reports” In this study, researchers observed that twins with a novel de novo nonsense variant in HRAS exhibited distinctive features, including neuropsychiatric symptoms, potentially indicating a wider clinical spectrum for conditions known as RASopathies.