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This study found that while extracellular matrix components like hyaluronic acid promoted larger organoid formation, other matrix components hindered hair follicle germ assembly in an in vitro model.

In this study, VD(3) pretreatment increased hair follicle formation in a rat model by promoting dermal papilla cell differentiation, suggesting potential for hair regeneration therapy.

This study found that using conditioned medium from vitamin D3 pre-activated preadipocytes enhanced hair regeneration in mice by promoting angiogenesis.

This study identified key lipid differences between black and white hair in individuals with premature greying, highlighting vitamin D3 as a potential target for further research in understanding this condition.

This study demonstrated that VD3 significantly enhanced the proliferation and differentiation of epidermal stem cells in a murine skin defect model, leading to improved wound healing, potentially through activation of the PI3K signaling pathway.

This study found that combining microneedling with topical vitamin D3 improved hair regrowth and decreased alopecia severity more effectively than microneedling alone in patients with localized alopecia areata, with sustained efficacy across different ages, sexes, and disease durations, and only mild transient adverse effects.

This review discusses the advancements in intraoperative stem cell therapies and highlights their potential to improve hair regrowth, but it reports no new clinical results.

This study observed that a wearable electric stimulation device significantly promoted hair regeneration in rats and mice, outperforming conventional pharmacological treatments and enhancing growth factor secretion.

In this study of patients with Androgenic Alopecia, micro-grafts containing HD-AFSCs resulted in significantly improved hair density and follicle count over 11 months compared to a saline solution, suggesting a potential alternative therapy for hair regrowth.

This review discusses the use of Dermal Papilla cells as in vitro models for studying hair growth modulators, emphasizing their role in aiding the development of new hair treatments, but reports no new clinical results.

This study found that hair thickness and density increased after treatment with human follicle mesenchymal stem cells and platelet rich plasma, associated with enhanced Wnt signaling and platelet derived growth factors.

This review indicates that most studies reported positive effects of platelet-rich plasma injections for treating androgenic alopecia, with no major side effects, suggesting it may be a safe alternative to Minoxidil and Finasteride.

This study reviews recent advancements in microneedles made from PLGA, highlighting their use in delivering vaccines, drugs, and proteins through the skin with minimal invasiveness, and discusses the challenges and future potential of these delivery systems.

This review summarizes the application of microneedles in treating various skin diseases and highlights challenges like low drug loading, noting no new clinical results are reported.

This article reviews emerging treatments for androgenetic alopecia, including topical 5-alpha-reductase inhibitors and prostaglandin modulators, but reports no clinical results and calls for further efficacy evidence, especially for PRP.

This study found that DKK1 and WNT10b are paracrine factors that modulate hair follicle stem cell differentiation inhibition, contributing to androgenetic alopecia by affecting Wnt signaling in androgen-sensitive dermal papilla cells after dihydrotestosterone stimulation.

This review discusses advancements in the use of microneedle arrays and nanoparticles for transdermal delivery of therapeutics, noting challenges in overcoming the skin barrier and summarizing recent clinical trial achievements in areas like cancer therapy and gene therapy.

This study found that micrografts containing human hair follicle mesenchymal stem cells significantly increased hair count and density compared to placebo over 58 weeks in patients experiencing hair loss.

This study found that the MXD/HP-β-CD GEL formulation promoted greater hair growth and improved gene expression related to hair growth in male rats compared to MXD solution or control groups.

This review discusses the emerging pathophysiological factors and potential new therapies for androgenetic alopecia beyond traditional treatments, but reports no new results.

This study found that both topical calcipotriol and narrow band ultraviolet B phototherapy improved hair regrowth and vitamin D3 levels in alopecia areata patients.

This review examines the challenges of hair follicle regeneration and outlines strategies for bioengineering human hair follicle models, without presenting new experimental results.

In this study, researchers observed that dietary vitamin D intake and light exposure play a crucial role in vitamin D metabolism in mice, suggesting similar importance for human health in maintaining optimal vitamin D levels.

In this study, fenugreek seed extract showed significant androgenic and spermatogenic effects in male rats, likely through inhibiting testosterone metabolism, without impacting cardiovascular health.

This study found that women with polycystic ovary syndrome had significantly higher serum lactate dehydrogenase levels and lower levels of cortisol, dopamine, zinc, and vitamin D3 compared to healthy controls.

This study reported that mannan oligosaccharides improved the fur quality, immune response, antioxidant status, and gut microbiota of fur-growing raccoon dogs, suggesting they could potentially replace antibiotics in their diet.

This case report highlights the successful use of Prussian Blue to treat a dog suffering from thallium intoxication, demonstrating the importance of early diagnosis and targeted therapy in veterinary care for improving recovery outcomes.

This study found that p63 and p73 regulate the vitamin D receptor (VDR), with p63 influencing cancer cell behaviors and p73 playing a role in vitamin D-mediated differentiation.

This study found that CYP11A1-derived vitamin D3 analogs inhibit fibroblast proliferation and decrease collagen production through VDR expression, showing potential antifibrotic and antiproliferative activity in human dermal fibroblasts.

This study identified a novel I268T mutation in the vitamin D receptor that reduces its function, contributing to hereditary vitamin D-resistant rickets, and found that a potent vitamin D analog could improve receptor function.