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This study discovered that the gene Tfap2b identifies a melanocyte stem cell population in zebrafish, essential for regenerating melanocytes with multi-fate potential into adult pigment cells.

This study reports that dynamic interactions between stem cells and their niche, influenced by macro-environmental factors, regulate regenerative behavior in integument pattern formation.

This study on feather pattern formation in chicken skin found that inhibiting gap junctional intercellular communication can lead to the emergence of new feather buds in specific spatial patterns, suggesting that GJIC may facilitate Turing-type periodic patterning by propagating inhibitory signals over long distances.

This study investigated the Mandarin duck as a model for understanding lifelong developmental changes, finding that male sail feather morphogenesis involves a combination of local morphogenetic programs, epigenetic regulation, and hormonal cues, with increased female estrogen levels observed before the mating season.

This study found that AP-2α and AP-2β transcription factors are crucial for maintaining adult skin homeostasis, with their inactivation in keratinocytes leading to impaired differentiation, hair abnormalities, and inflammation, highlighting their key regulatory roles.

Long-term use of canthaxanthin may cause reversible changes in the eye, including crystal deposits and altered vision responses.

This study reports that the dye peri-xanthenoxanthene (PXX) can act as an efficient photocatalyst for various radical reactions, including complex dual catalytic processes and the synthesis of an investigational drug intermediate.

This article discusses various potential health benefits and increasing global interest in astaxanthin but presents no new clinical results, though ongoing trials are exploring its effects on chronic diseases and other conditions.

Advanced fluorescence technology effectively treats skin discoloration from certain creams.

This study demonstrates that extracellular ATP induced by UV radiation promotes melanin production in human melanocytes, suggesting ATP-induced purinergic signaling may influence skin pigmentation.

This article discusses the potential health benefits of astaxanthin, such as its antioxidant properties and diverse applications in chronic conditions, but it reports no new clinical results.

This article reports on a rare case of hair yellowing induced by topical minoxidil use and discusses drug-induced hair color changes.

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

This study found that extracellular ATP released from UVB-irradiated keratinocytes promotes melanin production through the P2X7 receptor, indicating a role for ATP-P2X7 signaling in UV-induced melanogenesis.

This review explores the extraction, characterization, and skin cosmetic effects of phenolic compounds and pigments from marine macroalgae, highlighting their documented benefits for skin health, such as whitening, moisturizing, photoprotection, and anti-aging effects, without adverse health impacts.

In this study, deep phenotyping of 68 patients with XPD gene defects successfully separated individuals by clinical diagnosis and survival status, potentially improving diagnosis and prognosis for xeroderma pigmentosum and trichothiodystrophy.

This study found that Plerixafor, a CXCR4 antagonist, promotes melanogenesis in melanocytes by increasing MITF and tyrosinase expression and enhancing melanocyte migration, and it effectively restores pigmentation in a mouse depigmentation model without toxicity, highlighting its potential for treating pigmentary disorders.

This review explores the multifaceted roles of melanocytes in skin biology, emphasizing their potential impact on future research to prevent and treat skin diseases, but reports no new experimental results.

This study found that physoxia improved hair follicle functions in co-cultures of dermal papilla cells and melanocytes by enhancing their biological activities and promoting hair growth and pigmentation.

This study developed a chalcone-based molecule that significantly increased tyrosinase inhibition and solubility, showing potential as a safe and effective skin depigmenting and antiaging agent, with supportive epigenetic and antioxidant properties observed in vitro.

In this study, researchers found that exosomes derived from Pinctada martensii mucus can effectively inhibit melanin production in melanoma cells and zebrafish without adverse effects, potentially offering a promising therapeutic strategy for treating pigmentary disorders by modulating the NF-κB signaling pathway.

This review discusses the role of zebrafish as a model for studying human hereditary pigmentary disorders and reports no new experimental results, emphasizing their genetic similarities and the genetic tools available.

This study found that astaxanthin effectively protected human dermal papillae cells from oxidative stress induced by hydrogen peroxide, reducing the percentage of cells expressing a stress marker significantly, suggesting potential benefits for hair loss treatment related to reactive oxygen species.

In this study, plerixafor was found to enhance melanogenesis and promote repigmentation by engaging a β-arrestin–β-catenin–MITF signaling axis in melanocytes, and showed effectiveness in restoring depigmentation in a murine model without causing systemic toxicity.

This study reported that using a Cutera Xeo laser with specific probes may help treat rosacea symptoms like diffuse facial erythema and telangiectasias, with some risks like bruises and hypopigmentation.

This study found that antroquinonol inhibited CD8+ T cell proliferation and reduced proinflammatory cytokine secretion in vitro, while also ameliorating H2O2-induced depigmentation and resisting reductions in hair follicle length, skin thickness, and tyrosinase expression in mice.

A new genetic mutation causing Xeroderma Pigmentosum was found in an 8-year-old girl, affecting her DNA repair.

This study explored the role of plant-derived monomers in reversing grey hair, finding that compounds like fraxinol and morin may stimulate melanin production and tyrosinase activity, suggesting potential therapeutic benefits, although further evaluation of their safety and efficacy is needed.

This review highlights the significance and future potential of forensic DNA phenotyping for predicting human phenotypes from crime scene DNA but reports no new results.