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This study found elevated tissue levels of DKK-1 in patients with both androgenetic alopecia and alopecia areata compared to controls, suggesting DKK-1 as a potential therapeutic target for these conditions.

This study found that the ALAVAX complex, containing 5-ALA and GHK peptide, may increase hair count in male pattern hair loss patients over 6 months without adverse events.

This review discusses studies on hair growth and protein synthesis in hair follicles, highlighting the differing responses of mohair and cashmere goat follicles to signaling molecules, biotin, and amino acids, but contains no new results.

This article discusses primary cutaneous virilism, focusing on alopecia in women with androgen-dependent skin conditions, and reports no new findings.

Finasteride safely treats enlarged prostate and male-pattern baldness.

This review discusses the efficacy and safety of oral finasteride for treating male pattern baldness and the potential persistent side effects, but no new results are reported.

The document concludes that various dermatological treatments and drugs can cause skin reactions and side effects.

The conclusion is that different types of hair loss in dogs and cats can be cosmetic or serious, and affected animals should not be bred.

This review discusses how nutritional and lifestyle modifications, including antioxidant use, may enhance hair growth and prevent hair loss without the need for Finasteride, but provides no new clinical findings.

This review discusses the application of low-level light therapy for hair loss treatment, particularly androgenetic alopecia, and reports no new clinical results; the authors suggest consideration of light source characteristics and potential pros and cons.

The document describes how to tell different types of non-scarring hair loss apart by looking at hair and scalp tissue under a microscope.

This review outlines various causes and manifestations of hair loss, highlighting that each type has distinct underlying mechanisms and requires specific treatment approaches, without reporting new clinical results.

In this study, researchers found that a polyphenolic extract from Annurca apples, high in procyanidin B2, increased hair growth, density, and keratin content in healthy subjects after 2 months of use, and stimulated keratin biosynthesis in vitro.

Human hair follicles have a unique metabolism that changes between growth stages and may contribute to baldness.

In this study, researchers established five new immortalized human dermal papilla cell lines from a male with androgenetic alopecia, which may serve as valuable tools for hair research.

This review explores stem cell applications for hair regrowth in alopecia, with no new clinical results, suggesting potential advantages over current FDA-approved treatments.

This study found that a spermidine-based nutritional supplement increased the number of anagen phase hair follicles in healthy humans, suggesting potential benefits for hair loss conditions.

This article discusses how changes in hair and nails may indicate systemic diseases, but it provides no new results; the authors emphasize their usefulness in clinical diagnosis.

The document concludes that various disorders can cause hair loss in dogs, each requiring different treatments, and some may heal on their own.

This study found that cytoplasmic nucleic acids significantly increase the expression of certain chemokines in human keratinocytes through NF-κB activation, though the specific receptors involved remain unidentified.

In this review, the authors explored current and novel treatment options for androgenetic alopecia, noting both FDA-approved pharmacologic treatments like Minoxidil and Finasteride and various non-pharmacologic and surgical methods, including hair transplantation and scalp micro-pigmentation.

This study found that Annurca apple polyphenolic extracts reprogram hair follicle metabolism in mice, enhancing mitochondrial activity and keratin production while inhibiting some metabolic pathways.

This review discusses the application of mesenchymal stem cells and their secretory factors for skin and hair regeneration and reports no clinical results; the authors highlight the progress and call for practical applications.

This chapter reviews the potential of adipose-derived stem cells for skin aging and hair loss treatments but reports no new experimental results; the authors highlight these stem cells as a promising regenerative resource.

This research identified two genetic variants that influence the white-spotted coat patterns in Holstein-Friesian cattle, involving regulatory changes in the MITF and KIT genes, confirmed through mouse models, along with possible effects on coat patterns in other cattle breeds.

This study identified three genes with significantly higher expression in androgen-sensitive beard dermal papilla cells compared to androgen-insensitive scalp cells, suggesting potential novel signaling pathways in hair follicles.

This study investigated pangolin skin genetics, finding that while sweat gland-related genes are not inactivated, several genes related to sebaceous gland function are, which highlights complex evolutionary adaptations in mammalian skin.

This review explores how radiation-induced hair graying can be used as a model to study the mechanisms behind hair graying, focusing on cellular senescence and potential therapeutic targets to address age-related changes. Results are not provided.

This study found that back skin mesenchyme from mouse embryos can induce hair follicle formation even before dermal condensate formation, but R-spondin-1 alone or with a Bmp receptor inhibitor was not sufficient for hair follicle induction.

This study found that androgenetic alopecia is the leading cause of hair loss in adolescents and may indicate endocrine disorders, emphasizing the need for accurate diagnosis.