38 citations
,
February 2019 in “Clinical Interventions in Aging” This meta-analysis found that dutasteride was more effective than finasteride in increasing hair count and improving photographic assessments for men with androgenetic alopecia, while both drugs had similar rates of sexual dysfunction-related adverse effects.
55 citations
,
November 2018 in “American journal of human genetics” This study identified five mutations in the gene LSS in individuals with unexplained hypotrichosis simplex, highlighting a potential role of mislocalized LSS proteins in disrupting hair follicle biology.
9 citations
,
October 2018 in “Medical Science Monitor” In this study, oral finasteride therapy was associated with decreased DHT levels and improved hair loss severity in young male AGA patients, while hormonal changes influenced the curative effect.
80 citations
,
April 2018 in “Trends in Molecular Medicine” This review discusses the roles of interferon-γ and PPAR-γ-mediated signalling in scarring alopecia, suggesting these pathways as potential therapeutic targets, but it reports no new empirical results.
48 citations
,
April 2018 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” This study found that individuals with alopecia areata had significantly lower serum vitamin D levels and a higher prevalence of vitamin D deficiency compared to people without the condition.
30 citations
,
December 2017 in “Medical Hypotheses” This review evaluates dihydrotestosterone's role in androgenic alopecia and proposes a model suggesting that chronic scalp tension and inflammation contribute to hair follicle miniaturization, identifying fibrosis, calcification, and tension as treatment targets.
21 citations
,
December 2017 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” This study suggests that statins may help treat acute alopecia areata, with animal experiments showing increased regulatory T cell populations after statin treatment in mice with the condition.
32 citations
,
December 2017 in “Journal of the American Academy of Dermatology” Alopecia areata patients often have low vitamin D levels.
21 citations
,
November 2017 in “Archives of Dermatological Research” This study found that women with female pattern hair loss had increased 5α-reductase isozymes and decreased aromatase mRNA levels, potentially affecting their response to treatment.
71 citations
,
October 2017 in “Journal of Investigative Dermatology” PPAR-γ agonists like pioglitazone may help manage lichen planopilaris but don't fully reverse scarring.
18 citations
,
October 2017 in “PLOS ONE” This study found that in Pomeranians with Alopecia X, key genes in the Wnt and Shh signaling pathways and stem cell markers are downregulated, which may explain the absence of anagen hair follicles.
38 citations
,
January 2017 in “PPAR Research” This review discusses the role of PPAR-γ in the pathogenesis of primary cicatricial alopecia, including its involvement in lichen planopilaris and treatment trials using PPAR-agonists, and reports no new clinical results.
14 citations
,
January 2017 in “Skin appendage disorders” This study reported that oral simvastatin/ezetimibe therapy was ineffective for treating alopecia areata, with 67% of participants experiencing no hair regrowth. Additionally, 24% of patients experienced adverse effects, including myalgia, highlighting the need to weigh potential risks against questionable benefits.
31 citations
,
December 2016 in “Anais Brasileiros de Dermatologia” This review discusses the fibrogenic effects of TGFβ1, the regulatory role of PPAR, and the potential involvement of DHEA in frontal fibrosing alopecia, but reports no new clinical results.
15 citations
,
October 2016 in “Journal of The European Academy of Dermatology and Venereology” This meta-analysis found that patients with androgenetic alopecia have significantly abnormal lipid profiles, which could contribute to the link between this condition and cardiovascular diseases.
196 citations
,
September 2016 in “JCI insight” This study explored the effectiveness of the oral JAK1/2 inhibitor ruxolitinib in treating patients with moderate-to-severe alopecia areata, building on prior success with JAK inhibitors in mice, but results are not reported in this abstract.
47 citations
,
September 2016 in “Reviews in endocrine and metabolic disorders” This review discusses the steroidogenic properties of human skin and suggests that impaired steroidogenesis may be linked to conditions like acne, rosacea, atopic dermatitis, and androgenic alopecia, but reports no new clinical results.
18 citations
,
July 2016 in “Medicine” This study suggests that crosstalk between Wnt/β-catenin and TGF-β signaling pathways may contribute to the development of androgenetic alopecia.
68 citations
,
May 2016 in “Experimental dermatology” This review discusses what is known about the pathobiology of frontal fibrosing alopecia and reports no new clinical findings, highlighting potential environmental and genetic factors in disease pathogenesis.
21 citations
,
April 2016 in “International Journal of Dermatology” This study found a significant association between female pattern hair loss and metabolic syndrome in Egyptian women, with waist circumference and hypertension particularly linked to the severity of hair loss.
7 citations
,
February 2016 in “Arab journal of urology” This study found that patients with androgenetic alopecia had a higher incidence of metabolic syndrome and benign prostatic hyperplasia compared to those without the condition.
212 citations
,
September 2015 in “Journal of Investigative Dermatology” This article presents a comprehensive guide for classifying human hair follicle cycle stages in vivo using scalp xenografts on immunocompromised mice, offering valuable resources for researchers in the field.
46 citations
,
June 2015 in “Journal of Investigative Dermatology” This study found that androgen receptor activation in adult mouse skin reduces β-catenin-induced hair follicle growth and sebaceous gland conversion, highlighting its role in stem cell fate decisions.
13 citations
,
June 2015 in “International Journal of Dermatology” In this study, non-obese females with early-onset androgenetic alopecia showed higher total cholesterol, LDL cholesterol, triglycerides, and atherogenic index, and lower HDL cholesterol compared to controls, suggesting an association with adverse cardiovascular risk factors.
60 citations
,
May 2015 in “Archives of dermatological research” This review discusses the role of peroxisome proliferator-activated receptors and their agonists in dermatology but reports no new clinical results.
70 citations
,
February 2015 in “Expert Opinion on Drug Discovery” This review discusses current knowledge on the biological mechanisms of different types of alopecia but reports no new clinical findings; the authors highlight future research directions, especially regarding epidermal stem cells and immune pathways.
84 citations
,
February 2015 in “Experimental Dermatology” This review discusses the role of PPARs in skin health, suggesting both potential benefits and adverse effects, but reports no new experimental results; the authors emphasize the need for more research to understand these pathways.
58 citations
,
January 2015 in “Journal of the American Academy of Dermatology” Pioglitazone may help treat lichen planopilaris, but more research is needed.
5 citations
,
January 2015 in “Case reports in medicine” In this case report, a novel missense mutation c.1360G>C (p.Ala454Pro) in the MBTPS2 gene was identified in a boy with typical IFAP syndrome and severe atopic features, although no phenotype/genotype correlation was established.
24 citations
,
January 2015 in “International Journal of Trichology” This research observed that among young men with androgenic alopecia, there was a significant association with metabolic syndrome compared to healthy controls, suggesting AGA as a potential early marker for metabolic risk.
25 citations
,
November 2014 in “British Journal of Dermatology” This study found various ABC transporters are transcribed in human hair follicles, suggesting their possible role in HF biology and potential for new therapeutic interventions.
21 citations
,
March 2014 in “Clinical and experimental dermatology” This study observed a potential relationship between the canonical Wnt signalling pathway and the expression of the vitamin D receptor in alopecia, suggesting a link worth further exploration.
87 citations
,
March 2014 in “Biochimica et Biophysica Acta (BBA) - Molecular and Cell Biology of Lipids” This paper discusses X-linked ichthyosis and its genetic causes, focusing on biochemical pathways and their role in epidermal differentiation and barrier function, but it presents no new clinical findings.
77 citations
,
March 2014 in “Cold Spring Harbor Perspectives in Medicine” This research abstract provides no results, focusing on the equal contributions of the authors in the field of molecular, cellular, and developmental biology from Yale University.
35 citations
,
January 2014 in “Postepy Dermatologii I Alergologii” This study found that increased dihydrotestosterone levels were observed in both androgenetic alopecia patients and controls, suggesting that follicle sensitivity to DHT may be more critical than DHT levels for alopecia development.
34 citations
,
January 2014 in “Indian Dermatology Online Journal” This study supports evaluating metabolic syndrome and insulin resistance in young males with advanced androgenic alopecia to potentially reduce future cardiovascular and type 2 diabetes risks.
16 citations
,
January 2014 in “International Journal of Trichology” This study found that male Indian patients under 30 with early androgenetic alopecia were more likely to have metabolic syndrome compared to age-matched controls.
20 citations
,
January 2014 in “International Journal of Trichology” This study found that early onset androgenetic alopecia in young Asian Indian Gujarati men is independently associated with an increased risk of coronary artery disease.
28 citations
,
November 2013 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that the selective PPARγ modulator GMG-43AC may inhibit unwanted hair growth by inducing catagen phase while preserving hair follicle epithelial progenitor cells, suggesting potential in anti-hirsutism therapy.
55 citations
,
January 2013 in “International Journal of Cosmetic Science” In this study, researchers found that higher concentrations of internal lipids in African hair may influence its keratin structure, as observed through various analytical methods.
26 citations
,
January 2013 in “BioMed Research International” This review discusses the hormonal influences on hair cycling disorders in post-partum and postmenopausal women and notes the lack of evidence for effective targeted treatments.
24 citations
,
January 2013 in “Indian Dermatology Online Journal” This study found that males with androgenetic alopecia had a higher risk of coronary artery disease, with significant differences in several lipid and blood pressure markers compared to controls.
115 citations
,
September 2012 in “Experimental Dermatology” This article reviews the molecular mechanisms involved in androgenetic alopecia and the androgen's paradoxical role in hair growth, but reports no new experimental findings.
161 citations
,
August 2012 in “Seminars in cell & developmental biology” This review discusses the molecular mechanisms involved in hair follicle development and regeneration, highlighting findings from mouse genetic studies, and reports no new experimental results.
124 citations
,
July 2012 in “Archives of Dermatological Research” This review discusses the roles of androgens and androgen receptors in skin-related disorders and suggests that targeting androgen receptors may be a more effective treatment strategy.
22 citations
,
June 2012 in “PLOS ONE” In this study, researchers found that impaired cholesterol biosynthesis in hair follicles may trigger an inflammatory immune response linked to primary cicatricial alopecia, providing new insights into the disorder's pathogenesis.
46 citations
,
May 2012 in “Molecular and Cellular Endocrinology” In this study, higher expression levels of aromatase and steroidogenic acute regulatory protein were correlated with increased estrogen synthesis and fewer hair follicles in human skin, suggesting a link to elastic fiber formation and hair growth.
51 citations
,
January 2012 in “Annals of dermatology/Annals of Dermatology” This case report describes a 7-year-old boy with alopecia areata and reduced vitamin D receptor expression whose condition improved after using calcipotriol, a strong vitamin D analog.
50 citations
,
October 2011 in “Archives of Biochemistry and Biophysics” This study found that while calcium can substitute for the Vitamin D receptor in maintaining epidermal keratinocyte differentiation, it cannot compensate for hair follicle dysfunction caused by the absence of the receptor.
36 citations
,
August 2011 in “Journal of dermatological science” This article examines the role and composition of integral hair lipids in forming a protective barrier similar to the skin's epidermal lipid layer and reports no new findings about their effects.
71 citations
,
January 2011 in “Orphanet Journal of Rare Diseases” This article reviews IFAP syndrome, an X-linked genetic disorder characterized by ichthyosis follicularis, alopecia, and photophobia, and reports no new clinical findings.
122 citations
,
November 2010 in “Journal of Dermatological Science” This study found that increased expression of type II 5α-reductase, androgen receptors, and Hic-5/ARA55 in dermal papilla cells upregulates androgen sensitivity, playing a key role in androgenetic alopecia pathogenesis.
15 citations
,
October 2010 in “International Journal of Dermatology” Women with AGA have higher lipid levels, increasing heart disease risk.
110 citations
,
July 2010 in “Journal of The American Academy of Dermatology” Hair loss linked to higher heart disease risk in both men and women.
199 citations
,
April 2010 in “Nature” A gene called APCDD1, which controls hair growth, is found to be faulty in a type of hair loss called hereditary hypotrichosis simplex.
23 citations
,
March 2010 in “Actas Dermo-Sifiliográficas” In this study, early-onset androgenetic alopecia in men was associated with a higher prevalence of metabolic syndrome and carotid atherosclerosis compared to controls, suggesting cardiovascular screening might be beneficial for this group.
76 citations
,
January 2010 in “Journal of bone and mineral metabolism” 
46 citations
,
January 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that Insig deficiency in the skin of mice causes cholesterol precursors to accumulate, leading to defective hair development and skin abnormalities, which were alleviated by simvastatin treatment.
37 citations
,
January 2010 in “Acta dermato-venereologica” This study found that both men and women with androgenic alopecia had significantly higher triglycerides, total cholesterol, and LDL-C and lower HDL-C levels than controls, suggesting increased dyslipidemia prevalence.
75 citations
,
September 2009 in “Dermato-endocrinology” This review discusses the skin's role in producing hormones and related substances, highlighting their potential in homeostasis and disease management, and reports no new clinical findings.
305 citations
,
February 2007 in “Hormone and metabolic research” This review discusses the roles of androgens and estrogens in skin functions and disorders, and highlights the use of estrogen-progestin treatments and anti-androgens in managing hirsutism and acne, without reporting new results.
54 citations
,
January 2007 in “The Journal of Steroid Biochemistry and Molecular Biology” This study found that hair follicle homeostasis in mice requires vitamin D receptor expression in keratinocytes, independent of its ligand activation.
224 citations
,
March 2006 in “Seminars in Cutaneous Medicine and Surgery” This article discusses the hair follicle's regenerative cycles and the molecular mechanisms influencing them, emphasizing the need for therapeutic targeting of the "hair cycle clock" to manage hair growth disorders, without reporting new research findings.
46 citations
,
November 2004 in “Lipids” This study suggests PPAR isotypes play distinct roles in skin, influencing epidermal barrier formation, sebocyte differentiation, and lipid production, with potential implications for treating skin disorders.
65 citations
,
September 2004 in “The American journal of pathology” This study found that overexpressing the BMP inhibitor Noggin in transgenic mice led to a significant loss of nontylotrich hair follicles, suggesting a critical role for BMP signaling in hair follicle morphogenesis and cycling.
289 citations
,
May 2003 in “Journal of Investigative Dermatology” This study demonstrates that human skin is capable of steroid hormone synthesis, but its role in androgenic skin disorders like acne and alopecia is yet to be clarified.
22 citations
,
August 2002 in “The American Journal of Medicine” Atorvastatin may cause hair loss in some people.
51 citations
,
September 2000 in “Acta dermato-venereologica” This study found that PPAR alpha, -delta, and -gamma are expressed in human hair follicle cells, and clofibrate exhibited a beneficial effect on hair follicle survival in culture within a specific concentration range.
34 citations
,
March 1999 in “Journal of The European Academy of Dermatology and Venereology” This study found significant differences in serum lipoprotein (a) and triglyceride levels between men with androgenetic alopecia and those with normal hair, suggesting a need for dermatologists to monitor lipid profiles in these patients.
416 citations
,
September 1997 in “Journal of Investigative Dermatology” People with hair loss have more androgen receptors and enzymes in certain follicles, with men and women showing different patterns.
