100 citations
,
September 1999 in “British Journal of Dermatology” This study suggests that finasteride's effect on promoting hair growth in men with androgenetic alopecia may be due to its inhibition of 5aR2 localized in hair follicles.
86 citations
,
August 2000 in “Pigment cell research” This study observed that melanogenesis in human hair follicles is linked to anagen phases, with melanocyte activity and enzyme expression being region-specific to the nascent bulb.
78 citations
,
July 1984 in “Journal of Investigative Dermatology” 73 citations
,
November 2001 in “Journal of Investigative Dermatology Symposium Proceedings” This review examines histochemical and immunohistochemical markers to differentiate apocrine and eccrine sweat glands, highlighting their distinct markers, though it reports no new clinical findings.
71 citations
,
February 1992 in “Journal of Cutaneous Pathology” This study found that monoclonal antibodies identified distinct staining patterns in benign and malignant skin appendage tumors, highlighting their potential as markers for analyzing skin tumors.
59 citations
,
March 1984 in “Journal of Investigative Dermatology” 54 citations
,
May 1994 in “Veterinary Pathology” This study found widespread localization of parathyroid hormone-related protein in normal and cancerous canine tissues, suggesting a potential physiological role as a paracrine or autocrine factor.
49 citations
,
July 2006 in “British Journal of Dermatology” This study observed that calcifying epithelioma of Malherbe is composed of tumor cells that differentiate into both hair cortex and outer root sheath, supporting its hair follicle origin.
47 citations
,
July 1997 in “British Journal of Dermatology” This research observed that during the catagen phase, the inner root sheath of hair follicles becomes an early target, highlighting its potential role in maintaining hair follicle homeostasis.
43 citations
,
August 1994 in “Journal of Investigative Dermatology” 38 citations
,
November 1991 in “Archiv für Pathologische Anatomie und Physiologie und für Klinische Medicin” Keratins 8 and 14 can help identify and diagnose benign skin tumors.
37 citations
,
May 1998 in “Journal of Dermatological Science” Basal cell carcinoma shows keratin patterns similar to undifferentiated hair follicle cells.
36 citations
,
June 2014 in “PLOS ONE” This study found that men with persistent sexual side effects after using finasteride for androgenetic alopecia had higher androgen receptor expression in certain tissues compared to those who never used the drug.
34 citations
,
February 2012 in “American Journal of Dermatopathology” This study found that calretinin immunoreactivity may help identify the innermost cell layer of the outer root sheath in anagen hair follicles and certain cutaneous adnexal proliferations with follicular, sebaceous, and eccrine differentiation.
32 citations
,
July 2003 in “Histochemistry and Cell Biology” 31 citations
,
January 1987 in “Dermatology” This study reports that topical minoxidil led to normalization of hair follicle characteristics in 36 of 47 severe alopecia areata patients, and indicated a shift in T cell populations, suggesting potential immunomodulatory effects.
28 citations
,
September 2013 in “European Journal of Histochemistry” This study demonstrates a varied distribution of keratins in the epidermis of the Malayan pangolin, suggesting evolutionary adaptations related to their distinctive scales.
23 citations
,
July 1997 in “British Journal of Dermatology” This study suggests that the inner root sheath plays a significant role in maintaining hair follicle homeostasis during the catagen phase's early stages.
19 citations
,
December 1990 in “Journal of Histochemistry & Cytochemistry” This study found that cultured human foreskin cells and a human keratinocyte cell line continue to express specific cytochrome P450 isoenzymes, unlike keratinocytes derived from hair follicles.
18 citations
,
March 2003 in “British journal of dermatology/British journal of dermatology, Supplement” This case report details the immunohistochemical study of cytokeratins in a trichofolliculoma, providing insights but no new clinical findings.
16 citations
,
October 2014 in “Oral surgery, oral medicine, oral pathology and oral radiology” This study found that keratoacanthoma of the lip likely arises from outer root sheath cells, based on the presence of specific keratin markers and periodic acid-Schiff staining patterns.
15 citations
,
September 2014 in “PloS one” This study found that HIF1 and mTORC1 signalling were active in both basal cell carcinoma and trichoepithelioma, but the pathways do not reliably differentiate between the two.
15 citations
,
January 2008 in “Actas Dermo-Sifiliográficas” This study found that immunohistochemistry for calretinin may identify certain cutaneous adnexal tumors with follicular differentiation towards cells of the outer root sheath.
13 citations
,
September 2020 in “International Journal of Molecular Sciences” This study found that combining platelet-rich plasma therapy with minoxidil was more effective in treating androgenetic alopecia in men than either treatment alone.
13 citations
,
April 1982 in “The Journal of Dermatology” This study found that poly(adenosine diphosphate-ribose) synthesis in human skin varies by cell type and condition, with distinct patterns in psoriatic, cancerous, and normal tissues.
11 citations
,
April 2016 in “The American Journal of Dermatopathology” This review discusses the current knowledge on using special and immunohistochemical stains for diagnosing hair disorders, concluding that no stains are recommended for routine use in hair pathology.
11 citations
,
January 1990 in “Cell and Tissue Research” Minoxidil does not specifically target any hair follicle cells.
10 citations
,
December 2015 in “International Journal of Dermatology” This study suggests that basal cell carcinoma and trichoblastoma may share differentiation toward the hair follicle, as indicated by strong positivity in CK 15, follistatin, and Bmi‐1 markers.
10 citations
,
January 2010 in “Acta Histochemica Et Cytochemica” This study found that patients with alopecia areata and androgenetic alopecia showed increased c-kit expression and decreased Ki-67 expression in hair follicle cells compared to controls, suggesting a possible feedback mechanism involving stem cell factor signaling.
9 citations
,
August 2017 in “Journal of comparative pathology” This study suggests that uncontrolled embryonic trichogenesis may play a role in the development of trichoblastoma in rabbits.