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This study reports that KRTAP-like proteins, which resemble keratin-associated proteins found in mammals, are also present in the cornified teeth of various lamprey species, suggesting these proteins may serve similar functions in skin appendages across different vertebrates despite independent evolutionary origins.

In this study, researchers examined chicken feather follicle tissues from differently colored chickens and found that the genes SLC45A2 and GPNMB are involved in promoting melanin deposition, which enriches understanding of the genetic mechanisms affecting feather color.

MCSP may help identify and regulate skin stem cells, affecting hair growth and regeneration.

This study found that encapsulating dermal papilla spheroids in alginate hydrogel with extracellular matrix proteins increased alkaline phosphatase activity, suggesting an enhanced manipulation of dermal papilla activity.

This study describes trichilemmal keratinization as a distinct process of hair follicle keratinization that occurs in specific areas of the outer root sheath, illustrated using electron microscopy on dog hair.

This study found that cathepsin L deficiency in mice led to significant abnormalities in hair follicle development and cycling, including disrupted hair shaft outgrowth and premature hair growth phase entry.

This study found that wedelolactone, a natural compound from plants, inhibited breast cancer-mediated osteoclast differentiation and activity in vitro, suggesting its potential as a therapy for bone destruction in breast cancer bone metastasis.

This study diagnosed an 11-year-old girl with initial androgenetic alopecia and monilethrix after observing unique hair shaft abnormalities and skin conditions, unlike her affected parents.

This study observed that black-haired areas in female Saluki puppies developed hypotrichosis, with dilated hair follicles containing melanin clumps, while white-haired areas remained normal.

This study found that in a shaving animal model of mice, increased enzyme activities and gene expression correlated with enhanced hair growth, suggesting they are good biomarkers in the anagen phase.

This study reported that overexpressing ornithine decarboxylase in C57Bl/6 mice increased their sensitivity to tumor promotion by TPA, a change reversible by doxycycline treatment.

This article reviews the characteristics and diagnostic criteria of tricholemmoma and tricholemmal carcinoma, detailing their clinical presentations and associations but reports no new clinical findings.

This study found that urokinase plasminogen activator (uPA) is elevated in hyperproliferative hair follicle keratinocytes in mice, and its inhibition significantly reduces their proliferation.

This study identified a compound heterozygous mutation in a hairless rhesus macaque, which was associated with skin abnormalities similar to those in hairless mice and humans with APL.

mHa2 and mHa3 keratins have different structures and roles in mouse hair and tongue tissues.

This study found that CRABP1, Nestin, and Ephrin B2 are expressed in both the tumor stroma and invasive front of skin adnexal tumors and basal cell carcinomas.

This study found no significant differences in phosphatide distribution between normal and cancerous mouse epidermis during different stages of growth, despite variations in total phosphatide levels.

This study visualized mitochondrial metabolism in cultured bovine hair follicles and plucked human hairs, finding that ROS and mitochondrial polarization correlate in specific hair follicle regions, particularly near keratin deposition sites.

This case report documents the presentation and diagnosis of a rare bullous pilomatrixoma in a 20-year-old female using fine needle aspiration cytopathology, highlighting diagnostic challenges and features.

A man had a non-cancerous, fast-growing skin lump on his arm that was removed with surgery.

In this study, researchers found that alopecia areata patches with white hair follicles showed a significant decline in Sox10 marker expression compared to patches without white hairs, while other melanocytic markers were similarly expressed in both groups.

This study found that nestin-expressing progenitor cells, capable of becoming ORS keratinocytes, are present in both developing and adult mouse hair follicles.

This study found that both epithelial and hair keratins are expressed in beard hair medulla cells, exhibiting unique patterns and interactions distinct from other hair follicle and epithelial cells.

This study identified 92 novel regulators of melanogenesis, highlighting Aldehyde dehydrogenase 1A1 as a potential target for developing new treatments for hyperpigmentation disorders like melasma.

This study found no evidence of increased keratinocyte proliferation in acne vulgaris, suggesting that other mechanisms may be responsible for hyperkeratinization in acne pathogenesis.

This study found that in Rex rabbits, exosomal miR-222-3p from dermal papilla cells suppresses melanogenesis in melanocytes by targeting the SOX10 gene, highlighting a novel mechanism by which exosomes influence melanin production.

This study found that hair germ and epidermal basal cells differ in keratin expressions in rat hair tissues, with hair-specific keratins appearing after the differentiation of each layer.

This study demonstrated that the FER/MLO signaling module regulates calcium dynamics and ROS accumulation in root hair growth, with the constitutively active MLO (faNTA) able to restore normal development and signaling in specific mutant genotypes, highlighting MLO15's role in root hair tip growth regulation.