This study found that the Lim-homeodomain transcription factor Lhx2 regulates Sonic Hedgehog signaling during early retinal neurogenesis in mice by controlling the expression of pathway genes in retinal progenitor cells.
February 2007 in “Oncology Times” This article explores gender differences in lung cancer, noting a higher number of nonsmoking women over age 60 with lung cancer compared to men, and highlights potential hormonal and molecular influences; no new study results were presented.
This study found that in female androgenetic alopecia, androgen receptors are highly positive in affected areas, supporting their role as regulators of genetically predisposed hair follicles despite normal serum hormone levels.
January 2017 in “Clinical & medical biochemistry” This study observed that Greek Caucasian women with PCOS had distinct serum hormone levels and a specific AKT2 gene SNP, which may play a role in the condition's characteristics.
In this study, hyperandrogenemia was observed in 78.2% of Greek women with polycystic ovary syndrome, with testosterone being the most commonly elevated androgen and acne the most frequent clinical feature.
September 2025 in “American Journal of Dermatopathology” In this research, most cases of mammary and extramammary Paget disease were reported to express PRAME, expanding the understanding of its presence in cutaneous epithelial tumors, though its diagnostic utility is limited by overlap with other conditions.
70 citations
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December 2008 in “Cancer Research” This study found that activating CXCR2 on ras-transformed keratinocytes promotes migration and tumor development in a mouse skin model.
1 citations
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January 2019 in “PubMed” This study found that transgenic mice expressing cgVEGF164 had increased hair follicle diameter and density, potentially linked to higher phosphorylation levels of ERK1/2, AKT1, and LEF1 proteins.
2 citations
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May 2006 in “Archives of Pathology & Laboratory Medicine” This case report describes a 40-year-old woman with Birt-Hogg-Dubé syndrome diagnosed with multiple chromophobe renal cell carcinomas, highlighting the importance of recognizing associated dermatologic lesions for early intervention.
November 2025 in “Journal of Exposure Science & Environmental Epidemiology”
October 2024 in “Journal of the Endocrine Society” In this case study, a postmenopausal woman with symptoms of virilization was diagnosed with a rare ovarian Leydig cell tumor, and surgical removal led to a resolution of her hyperandrogenism and related symptoms, highlighting the importance of thorough differential diagnosis in postmenopausal hyperandrogenism.
December 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” This study revealed that Patched receptors establish a Hedgehog signaling gradient in developing hair follicles, which may influence their formation and potentially offer a diagnostic tool for distinguishing Hedgehog-driven tumors.
48 citations
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March 1993 in “The Laryngoscope” This study found that EGF receptors are aberrantly regulated and persist in cholesteatoma epithelium, suggesting a hyperproliferative character compared to normal human skin.
224 citations
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February 2013 in “The Journal of clinical investigation/The journal of clinical investigation” This study identifies SOX9 as a critical downstream effector of ERG in TMPRSS2:ERG fusion-positive prostate cancer, indicating its role in tumor invasion and growth.
33 citations
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April 2003 in “Oncogene”
October 2024 in “Journal of the Endocrine Society” This case report details a diagnostic challenge in a postmenopausal woman with severe hyperandrogenism where distinguishing between adrenal and ovarian causes was complicated by elevated 17-OH Progesterone and asymmetric ovarian enlargement; pending surgical pathology is expected to guide further management.
92 citations
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February 2005 in “Endocrinology” This study found that estrogen receptor beta plays a significant role in murine hair growth control, potentially acting as a silencer of estrogen receptor alpha's catagen-promoting effects.
31 citations
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March 1995 in “Journal of Investigative Dermatology”
October 2024 in “Journal of the Endocrine Society” In this case report, the authors describe the diagnosis and management of a rare case of hyperandrogenism in a postmenopausal woman, attributed to coexisting ovarian Leydig cell and Brenner tumors, with improvement in symptoms following bilateral salpingo-oophorectomy.
October 2024 in “Journal of the Endocrine Society” This clinical case study reports on a postmenopausal woman experiencing hair loss and virilization symptoms, which were ultimately attributed to rare ovarian tumors identified after a bilateral salpingo-oophorectomy, despite normal imaging results.
15 citations
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October 2014 in “Journal of Investigative Dermatology” This review discusses the development of targeted therapies for basal cell carcinoma that interfere with Hedgehog signaling and reports no new research findings.
56 citations
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July 2014 in “PloS one” This study found that selective androgen receptor modulators (SARMs) significantly inhibited tumor growth and metastasis-promoting factors in AR-positive triple-negative breast cancer models.
42 citations
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January 2003 in “International Journal of Gynecological Pathology” This research observed that multifocal pseudoepitheliomatous hyperplasia may explain some cases of squamous nests in vulvar lichen sclerosus with lichen simplex chronicus, potentially as a reaction to tissue damage rather than squamous cell carcinoma.
January 2022 in “Research Square (Research Square)” This study found that elevated TSPEAR expression in colorectal cancer was associated with poor overall prognosis and correlated with tumor infiltrating immune cells, suggesting its potential as a predictive biomarker.
January 2010 in “Chinese Journal of Dermatovenereology of Integrated Traditional and Western Medicine” This study found a novel nonsynonymous genetic variant in the hHb1 gene of a family with monilethrix, which differs from ten previously reported pathogenic mutations.
August 2025 in “Endokrynologia Polska” A rare pancreatic tumor caused a woman's male-like features, treated successfully with surgery and medication.
March 2022 in “International Journal of Trichology” This case study reported that prolonged use of the cancer drug Erlotinib in a postmenopausal woman was associated with trichomegaly and hypertrichosis, highlighting the importance of considering medication history in such cases.
3 citations
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January 2011 in “生物医学研究杂志:英文版” In this study, a novel heterozygous transition mutation in the KRT86 gene was identified, which may be pathogenic for monilethrix in a Chinese family.
14 citations
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January 1998 in “Dermatology” This study found evidence that polythelia pilosa, previously excluded from classification, should be reintroduced as it marks true aberrant mammary structures in men and hirsute women.
April 2020 in “International journal of reproduction, contraception, obstetrics and gynecology” This case study discussed a postmenopausal female with androgenic alopecia and hirsutism due to a Leydig cell tumor, suggesting the importance of further workup in women with severe hirsutism or androgenic alopecia.