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This study suggests that the AGA risk haplotype in Europeans was driven to high frequency by positive selection, likely associated with a variant in the EDA2R gene.

This case report observed that resection of a lesion using a carbon-dioxide laser in a Labrador retriever with lingual hair heterotopia led to positive outcomes, although hair partially regrew.

This review discusses the roles of the Agouti and Agouti-related proteins in pigmentation and energy regulation and reports no new experimental findings.

This study suggests that the epidermis of monotremes and marsupials exhibits a more primitive pattern of protein distribution compared to eutherian mammals, with differences in loricrin distribution and keratinocyte maturation.

This study observed Malassezia hyphae in the keratotic plugs of healthy individuals, which contrasts with previous findings of these hyphae primarily in lesions of pityriasis versicolor patients.

This study found that sphynx cats exhibit hair follicle dysplasia with abnormal hair shaft production, but without a reduction in the number of follicles, similar to murine KRT 71 mutants.

Ectodysplasin-A1 is crucial for developing hair, teeth, and glands.

In this study, researchers developed a method for high-resolution live imaging of leg regeneration in the crustacean Parhyale hawaiensis, which effectively captures the entire process at cellular resolution over 10 days while minimizing photodamage.

This case report describes a 29-year-old man with a year-long non-itchy skin eruption and hair loss, with distinct papules and plaques across his scalp, beard, body, and suprapubic regions, but no systemic symptoms or family history of autoimmune disease.

In this article, the authors compile various dermatological conditions that metaphorically reference animal-related visuals, such as "buffalo hump" in HIV-associated lipodystrophy or "leonine facies" in lepromatous leprosy, to enhance learning through mnemonic and visual associations.

This study demonstrated that LGR5 is a marker of hair follicle stem cells across species using a transgenic pig model and noted similarities and differences in expression patterns compared to humans.

This study reports an abnormal onion-shaped swelling on the hair shafts of some Abyssinian cats, affecting the appearance of their coat, though skin and hair structures appear normal under the microscope.

This study examined the complex morphology of the cornified claw sheath in domesticated cats, uncovering structures and growth patterns that help maintain sharp claw tips essential for climbing and prey capture.

This review examines various conditions that resemble androgenetic alopecia, analyzing their pathogenesis and highlighting the difficulties they pose for accurate diagnosis and treatment; it reports no clinical results.

This article reviews the similarities in early development processes of hair follicles, teeth, and mammary glands and reports no new experimental findings.

This study suggests that BLMP-1 is important for timely molting and oscillatory gene expression in C. elegans, indicating a potentially conserved mechanism for rhythmic skin regeneration.

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

This review discusses the diagnostic features of androgenetic alopecia through trichoscopy and reports no clinical results; it emphasizes hair shaft variability and yellow dots as key indicators.

This case report describes a unique instance of an otherwise healthy infant with phylloid terminal hair nevus, a form of hypomelanosis without extracutaneous abnormalities.

This study found that men with early androgenetic alopecia had higher levels of free testosterone, DHEAS, and LH, along with insulin resistance and higher homocysteine levels, suggesting they share risk profiles similar to PCOS in women.

This study reports pseudopili annulati in a dark-haired Chinese girl, identifying the unique appearance and structural characteristics of her hair without finding abnormalities in the cuticle and cortex.

This report discusses the accurate diagnosis of atrichia with papular lesions, emphasizing its distinction from alopecia universalis to prevent unnecessary steroid treatment, and presents a case matching APL diagnostic criteria.

This study found that overexpressing Dsg3 in the suprabasal epidermis of transgenic mice resulted in flaking skin and abnormal hair growth, supporting Dsg3's role in regulating epidermal differentiation.

This article reports on lentiginosis observed within plaques of linear atrophoderma of Moulin and discusses its potential classification as a twin-spotting phenomenon but provides no new clinical research results.

This study describes three adult dogs with sebaceous gland dysplasia, reporting that two showed moderate to marked improvement in symptoms with treatment, though ongoing management is required as the condition cannot be cured.

In this study, a newly designed protein degrader targeting androgen receptors showed promise in reversing hair regrowth inhibition in a mouse model of androgenetic alopecia, suggesting potential as a novel and safe treatment strategy.

In this study, researchers generated a mouse mutation called scraggly, related to hair and skin defects, and mapped it to a genetic location on mouse Chromosome 19 distinct from similar mutations.

This study found that certain trichoscopic features like white peripilar sign, yellow dots, and scalp pigmentation are positively correlated with the severity of androgenetic alopecia in Chinese patients.

This case report concludes that the presence of distinctive histiocytic responses in a Cambodian woman's eyelid lipogranulomas suggests surreptitious silicone injections despite her denial of prior procedures.

The researchers reported that scaffoldin, a protein identified in chicken embryos, likely plays a role in forming periderm granules and contributes to the soft cornification of embryonic epidermis.