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This study supports the conclusion that the hormetic dose-response model is the most prevalent and fundamental model in biological and biomedical sciences, applicable to a wide range of clinical conditions.

This study found that Sonic Hedgehog secreted by hair follicle transit-amplifying cells is essential for dermal adipogenesis and hair follicle growth by acting on adipocyte precursors.

This study explored the complex roles of niche cells in regulating hair follicle stem cells, identifying specific cell functions such as signaling, sensing, and relaying messages, which could provide insights into treating hair loss conditions like androgenetic alopecia and alopecia areata.

This study found that low-level laser therapy was the most effective non-surgical treatment for androgenetic alopecia, although the overall quality of evidence supporting various therapies was generally low.

In this study, mutations in the CDH3 gene were identified as the cause of hypotrichosis with juvenile macular dystrophy, and the researchers observed substantial phenotypic variability among affected individuals.

This review discusses the potential applications and challenges of small molecules in regenerative medicine, but it reports no new research findings.

This review examines the role of retinoic acid synthesis in hair follicles and sebaceous glands, focusing on its localization and function during normal and disease states, but reports no new results.

This review discusses the roles and mechanisms of Wnt signaling in embryonic and adult stem cells and its association with cancers, and reports no new experimental findings.

The LRRK2-G2019S mutation in Parkinson's disease has a lifetime penetrance of 25-35%, and finasteride may help reduce symptoms in adult male Tourette syndrome patients.

This article contains additional supporting information available online but presents no new research findings.

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.

The document describes a woman with familial Parkinson's disease due to a genetic mutation, showing severe symptoms and poor response to treatment, and suggests finasteride may help reduce symptoms in Tourette syndrome.

In this study, 13-cis-5S*,8S*-epidioxy-5,8-dihydroretinoic acid was found to be significantly more cytotoxic to cancer cell lines than other retinoic acid analogs evaluated.

This article reviews the role of polyamines in hair follicle growth and discusses potential therapeutic applications but provides no new clinical results.

This study found that biallelic LSS mutations lead to congenital hypotrichosis and cataracts, with each tissue-specific loss of function observed in mouse models.

This study found that C57BL/6 mice with a diet containing specific levels of vitamin A showed alterations in retinoid metabolism and increased frequency of cicatricial alopecias, suggesting dietary factors may play a role in this condition.

This review discusses skin signs that can indicate systemic diseases and provides no new clinical results; it aims to aid physicians in diagnosing these conditions.

This review discusses the potential mechanisms of platelet-rich plasma in facial rejuvenation and reports no new clinical results, indicating a theoretical basis for its use in tissue regeneration.

This study found that in genetically diabetic mice, supplementation with safflower or evening primrose oil prevented the decrease in certain fatty acids and improved skin conditions, but increased plasma glucose levels.

Finasteride significantly reduced tics and obsessive-compulsive symptoms in patients with Tourette syndrome.

The review says skin conditions with sterile pustules need more research for better treatments.

This study found that micro-current electrical stimulation may promote hair growth in human hair follicle-derived papilla cells and a mice model by enhancing cell proliferation, migration, and activating key growth pathways.

This case study reports that adding adalimumab to a 12-year-old VKH patient's treatment allowed for ocular inflammation remission, vision improvement, and corticosteroid tapering, suggesting escalation of immunosuppression may be critical in pediatric VKH cases.

In this study, using light masks to extend photoperiod was effective for maintaining the summer coat in horses and accelerating shedding in outdoor horses, but timing was crucial for success.

This article discusses various periocular conditions like madarosis, milphosis, trichomegaly, and dermatochalasis, and highlights their potential link to underlying local and systemic diseases, but reports no new clinical findings.

This article discusses how challenges in drug development and success rates are driving a shift in the pharmaceutical industry towards engineering targeted drug delivery systems, with nanomaterials offering potential solutions for selective therapeutic delivery.

In this review, researchers discussed recent insights into caspases, enzymes initially associated with cell death and inflammation, revealing their broader roles in cell proliferation, migration, and differentiation, and highlighting the importance of caspase knock-out mice for understanding their implications in diseases.

This article reviews how biomaterials and stem cells could advance regenerative medicine but does not report new results, emphasizing the potential of combining novel biomaterials with stem cells for effective therapies.

This chapter reviews common drug-related and systemic disorder-induced alopecias, focusing on their epidemiology, causes, symptoms, diagnosis, and treatment, but reports no new findings.