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This study found that activation of delta-opioid receptors in keratinocytes may delay the expression of the PER2 gene, suggesting a possible link to cancer development through circadian rhythm disruption.

The researchers reported that in nonmelanoma skin cancers, the expression of osteopontin splice variants is significantly higher compared to normal skin, with OPN-a elevated in basal cell carcinoma more than OPN-c.

This study found that prostasin's proteolytic activity is necessary for normal hair follicle development in mice, but not for interfollicular epidermal development.

This report describes a case where travoprost treatment for open-angle glaucoma was associated with periocular hypertrichosis, hyperpigmentation, and eyelash growth, which gradually improved after discontinuation.

In this study, researchers found that the peripilar sign in patients with androgenetic alopecia does not indicate perifollicular infiltrate but is more frequent in individuals with lighter skin types due to contrast with the skin.

This study reported that gain-of-function mutations in TRPV3 lead to hair loss in mice by disrupting inner root sheath keratinocyte differentiation, ultimately causing follicular keratinocyte stem cell exhaustion and permanent follicle disruption.

This study found that 8% Panax notoginseng saponins may promote hair follicle growth in C57BL/6J mice, potentially through the Wnt/β-catenin signaling pathway.

This study found that photobiomodulation via LED light at 630 nm and 810 nm increased proliferation and mineralization in osteoblast-like cells, with comparable effects between the two wavelengths.

In this study, researchers discovered two new signaling pathways that regulate how melanocytes establish pigment patterns in reconstituted hair-bearing skin, offering insights that could inform strategies to prevent hair greying.

This study found that hyperpigmented skin changes resembling Schamberg’s purpura occur in areas affected by CRPS and can also appear on mirror-image locations of unaffected limbs, potentially improving with the condition's treatment.

This report describes two cases of sustained hair repigmentation related to porphyria cutanea tarda, though the underlying mechanism remains unclear.

This study found that while the combination of oral propranolol and intradermal injections in guinea pigs led to psoriasiform changes, it did not fully mimic psoriasis.

This overview discusses primary cicatricial alopecias, focusing on lichen planopilaris, and highlights the challenges in treatment and the progressive nature of hair loss despite symptom management, without providing new clinical results.

In this study, an expert panel established a consensus guideline indicating that photobiomodulation is a safe and effective treatment for various conditions, including peripheral neuropathy and androgenic alopecia.

This study demonstrates that a bioinspired peptide, PepACS, can efficiently and safely perm hair by interacting with keratin's sulfhydryl group without compromising tensile strength, and it shows potential for hair repair and dyeing applications in the hair care industry.

This study found that 830 nm LED light effectively treated post-inflammatory erythema and hyperpigmentation, while both 830 nm and 590 nm LEDs prevented post-inflammatory erythema.

This review discusses the potential relationship between lichen planus pigmentosus and frontal fibrosing alopecia, presenting a case study but reporting no new clinical findings.

In this study, whole-genome sequencing of Lanping black-boned sheep identified ERBB4 and ROR1 genes as potentially important in their distinctive hyperpigmentation, enhancing understanding of their genetic evolution from Lanping normal sheep.

This study found that patients with alopecia areata have significantly lower serum PON1 levels compared to controls, indicating a potential link between oxidative stress and the pathogenesis of the disease.

This study found that caffeic acid reduced UVB-induced damage and oxidative stress in human dermal papilla cells, suggesting its protective efficacy against such cellular damage.

This study synthesized a new organic sunscreen with broad photoprotective properties and demonstrated it to be non-toxic. The resultant cream, containing nanostructured lipid carriers, showed suitable application qualities and achieved a satisfactory SPF value of 16.

This protocol outlines a study to evaluate whether photobiomodulation, alone or with melatonin, promotes hair regrowth in dogs with Alopecia X, reporting no new results yet.

This study reports that A132, a hair dye ingredient, induces phototoxicity and photogenotoxicity via mitochondrial apoptosis when exposed to sunlight, suggesting potential risks of oxidative stress and hair damage.

This review discusses melatonin's potential in dermatology, highlighting its antioxidative, immunomodulatory, and DNA repair properties, but reports no new clinical results.

This study concluded that topical psoralen and ultraviolet A photochemotherapy is an effective and safe treatment for alopecia areata, as it produced a good response in 43.8% of patients.

This compilation reviews multiple dermatologic studies, reporting findings such as the lack of a psoriasis-susceptibility allele in cluster 17, and highlighting a mouse model for studying hair follicle formation, among others.

Plants change their growth in response to shade based on light signals detected by phytochrome.

This study found that patients with alopecia areata had higher serum osteopontin levels and more eye abnormalities compared to healthy controls, although visual acuity was not affected.