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This study found that both finasteride and dutasteride significantly reduced L-DOPA-induced dyskinesia in a rat model of Parkinson's disease, with dutasteride showing greater effectiveness at lower doses.

This study found that direct interactions between human dermal papilla cells and melanocytes under low oxygen conditions improved cell functions and could be important for hair regeneration efforts.

This study suggests that while hair analysis using GC-MS is a sensitive method for detecting cocaine ingestion, it may not reliably indicate the amount, timing, or duration of drug use due to interindividual variability and multiple incorporation mechanisms.

Hair graying may help prevent cancer by protecting stem cells.

This study identified overexpression of certain immune-related genes and underexpression of genes in specific signaling pathways in premature androgenetic alopecia, suggesting potential new therapeutic targets.

This article discusses less commonly used and experimental treatments for vitiligo, focusing on therapies other than psoralen, but does not report new clinical results.

In this study, the researchers optimized a method for culturing melanocyte precursors from hair follicles and found that 1,25-dihydroxyvitamin D3 significantly promotes their differentiation and melanin synthesis.

In this study, researchers found that people with Parkinson's disease showed higher levels of inflammasome proteins, including caspase-1, ASC, and IL-18, compared to healthy individuals, suggesting these proteins as reliable biomarkers for inflammation in PD.

This study found that spleens of black C57BL/6 mice contain eumelanin, with properties different from skin and hair melanin, and may originate from skin melanin transported by immune cells.

This review found that while forensic DNA phenotyping and health applications for pigmentation genetics show potential, factors like phenotype definition and population diversity present challenges to accurate genotype-to-appearance predictions.

This review discusses the influence of androgens on hair and sebaceous growth, emphasizing that response may depend more on peripheral sensitivity than on hormone levels; it reports no new empirical results.

This review discusses the challenges in addressing female sexual dysfunction, focusing on the complexities of female sexual response, levels of dysfunction, clinical identification, and existing treatments, but presents no new clinical findings.

This review discusses the neurobiology of sexual function and reports no new results; the authors cover multiple endocrine and neurotransmitter influences on sexual desire, arousal, and orgasm stages.

This study reports that melanocytes form a defined photoresponsive network in the skin that reads environmental light cycles and may influence the sleep-waking cycle similar to the pineal gland.

This study found that minoxidil is bioactivated through sulfation by the phenol-sulfating form of phenol sulfotransferase in human liver.

This study found that combining platelet-rich plasma with 4% hydroquinone was more effective in reducing melasma symptoms than using hydroquinone alone.

This review discusses causes of hair loss in cats, highlighting self-inflicted trauma due to flea allergy dermatitis, and presents no new clinical findings.

In this review, the authors discuss recent advancements in underwater adhesion technologies, specifically highlighting mussel-inspired catechol-based adhesives, which offer strong underwater bonding through various interfacial interactions and the influence of dopamine-modified polymeric tissue adhesives.

In this study, oral zinc sulphate was found to cause hair hypopigmentation and significantly inhibit eumelanogenesis in mice.

This article discusses the cutaneous side effects of various chemotherapeutic agents but reports no new clinical results; the authors emphasize the importance of dermatologists recognizing drug-induced skin reactions to better patient care.

This study found that mouse skin can produce and metabolize serotonin and N-acetylserotonin, with activity influenced by location, physiological skin status, cell type, and mouse strain.

This study reports a method for efficiently synthesizing chromeno-pyrimidine-N-oxides in good to excellent yields, confirmed by X-ray analysis, through a reaction between 4-chloro-3-formylcoumarin and aromatic carboximide oximes.

This study suggests that prolactin has complex, gender- and location-dependent effects on human hair follicles, promoting hair growth in female frontotemporal scalp areas while inhibiting it in male occipital regions.

This study found that cutaneous pyridoxal 5'-phosphate hydrolase activity may be carried out by an enzyme different from the classical tissue-nonspecific alkaline phosphatase in human and mouse skin.

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 discusses the challenges of diagnosing and treating pediatric bipolar disorder and highlights the potential benefits of combined psychopharmacological treatments, noting no long-term efficacy from mood stabilizer monotherapy.

This study identified peripheral myeloid cells as the earliest dysregulated immune cells in PINK1 KO mice with Parkinson’s-like symptoms following intestinal infections, suggesting that PINK1 regulates gut immune functions linked to early Parkinson’s disease mechanisms.

This review discusses the pharmacological properties and physiological regulation of neuroactive steroids, focusing on their varied responses to stress and ethanol in rats, mice, and humans, but it reports no new findings.

Telogen Effluvium is a hair loss condition where treatment involves identifying and managing its triggers.

This review reported that certain systemic drugs, including antiepileptics and anticancer drugs, can lead to changes in hair pigmentation, such as hypopigmentation or hyperpigmentation, with varied prevalence and clinical characteristics.