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This case report identifies a new type of hair matrix tumor called "rippled pattern trichomatricoma," distinguished by its unique cell arrangement and differentiation features.

In this study, researchers observed that keratoacanthoma exhibits dynamic follicular differentiation throughout its stages, with changes in specific keratin expressions, and regressed lesions showing epidermal rather than follicular characteristics.

This study observed that while X-ray radiation did not alter major hair keratin composition in mice, it decreased hair follicle stem cell markers and increased Krt5, suggesting potential as a radiation biomarker.

This study identified that rose, thyme geraniol, palmarosa, and tolu balsam essential oils activate TRPV1, with citronellol and geraniol as newly recognized agonists.

This study found that minoxidil provides cardioprotective effects in guinea-pig heart cells through selective activation of mitochondrial ATP-sensitive potassium channels.

This study found that the compound M50054 inhibits apoptosis by blocking caspase-3 activation and may improve chemotherapy-induced alopecia and hepatitis symptoms.

This study isolated and characterized two distinct types of caspase-like proteases from human epidermis, suggesting their involvement in keratinocyte differentiation and apoptosis processes.

In this study, hair shaft miR-29a levels were significantly lower in scleroderma patients than in controls, suggesting that hair microRNAs could serve as independent biomarkers for the disease.

This study found that mutations in type I IRS keratin genes disrupt keratin protein complexes in mice, suggesting crucial roles for these genes in proper hair coat formation.

In this study, minoxidil sulphate was observed to significantly increase DNA synthesis in cultured human hair follicles in a concentration-dependent manner.

This study found that melanin granules in black human hair are key dyeing regions for oxidative hair coloring, as confirmed by nanoscale mass spectrometry analysis detecting deuterium ions.

This study identified a novel gene, hacl-1, that is specifically expressed in the hair follicles of ICR mouse skin and is associated with their active state.

This review discusses the classification and treatment of ejaculatory dysfunction, outlining both pharmacotherapy and behavioral therapy as primary interventions, but does not present new clinical findings.

In this study, full-size KRT81 was expressed in both normal breast epithelial and breast cancer cells, and contributed to the migration and invasion abilities of breast cancer cells.

This study suggests that TIP39 and its receptor PTH2R, identified in human epidermis, may play a role in keratinocyte function and influence skin differentiation.

This study found that cyclophosphamide-induced hair follicle damage in C3H mice could be remodelled into intact anagen hair follicles with topical cyclosporin A, especially in anagen IV stage follicles.

This case study identified Trichophyton rubrum as the cause of trichophytia profunda acuta in a patient using nested PCR, suggesting an alternative diagnostic approach when KOH tests and cultures fail.

This study suggests that skin sections from 4-week-old C3H mice could serve as an in vitro model for human androgenic alopecia, as minoxidil partially reverses suppressed hair follicle elongation.

This study identified and characterized a gene called 4C32, which is expressed in the periderm of embryonic mouse skin and has a structure similar to keratin-associated proteins.

This study identified and updated the annotation of 61 keratin genes in dogs and horses, improving the genome annotation in these species through RNA-seq data comparison.

This study found that as Japanese women age, their hair cuticle becomes more prone to damage, shifting from type L to type E damage patterns, and hair surface properties, including fatty acid content, deteriorate.

This study provides evidence that Fernblock® upregulates antioxidant pathways in cultured keratinocytes, potentially protecting against damage from fine pollutant particles.

This review discusses the relationship between zinc deficiency and skin disorders, emphasizing zinc transporters' roles, but it reports no new clinical results; the authors highlight potential benefits of regulating zinc levels via transporters.

This study in Japan identified an estimated prevalence of alopecia areata between 1.45% and 2.18%, highlighting a significant psychological burden and potential unmet need for treatment among affected individuals.

This study found that melanocyte progenitor cells are present in human subcutaneous adipose tissue and may differentiate into mature melanocytes, suggesting potential applications in treating skin diseases and rejuvenation.

In this study, lifelong barley intake in SAMP8 mice was associated with extended lifespan, improved aging-related phenotypes, and beneficial shifts in the intestinal microbiome.

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.

This study found that unsaturated fatty acids are more abundant in the cortex of human hair than on its surface, and steryl glycoside-like lipids may help bind the cuticle to the cortex.

In this study, partially purified apple polyphenols were found to inhibit preadipocyte differentiation in mouse cells by reducing GPDH activity and triglyceride accumulation.

This study isolated new geranylated coumarins from Mammea siamensis flowers and found that several of these compounds inhibit testosterone 5α-reductase.