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This study suggests that intermediate-size hyaluronate fragments may enhance keratinocyte proliferation and improve skin thickness in atrophic conditions through a CD44-dependent mechanism.

This laboratory study found that collagen matrices with high-sulfated hyaluronan may enhance the cultivation of human keratinocytes and melanocytes from hair follicles for epidermal graft development.

AMP-303 injections can increase hair growth in androgenetic alopecia with minimal side effects.

This study found that TNC + fibroblasts are crucial in neuro-immune interactions in various skin diseases, particularly inflammation and tumors, by engaging extensively with immune cells and overexpressing inflammatory genes, suggesting their significant role in skin abnormalities.

In this study, blocking the CXCR3 receptor in mice prevented the development of alopecia areata by inhibiting the accumulation of specific T cells in the skin, suggesting a potential therapeutic approach for humans.

In this study, researchers discovered two new signaling pathways that regulate how melanocytes establish pigment patterns in reconstituted hair-bearing skin, offering insights that could inform strategies to prevent hair greying.

HA-iMSC-EVs can improve skin aging by boosting cell growth and restoring collagen and elastin.

Immune cells boost stem cell activity in hairy moles, causing more hair growth.

In this study using genetic mouse models, researchers discovered that senescent melanocytes in nevi secrete osteopontin, which activates hair stem cells, enhancing hair growth; this process is mirrored in human hairy nevi, suggesting a potential therapeutic target for regenerative disorders.

This review discusses various biomedical applications of hyaluronic acid, highlighting its roles in cancer treatment, wound healing, inflammation control, antibiotics, and antioxidant functions, with an emphasis on recent developments and potential for advanced drug delivery and tissue repair systems.

In this study, CD44 expression was absent in alopecia areata-affected scalp, with some patients regaining expression after treatment despite no significant hair regrowth, suggesting involvement in the disease's pathogenesis.

This study found that androgen receptor activation in adult mouse skin reduces β-catenin-induced hair follicle growth and sebaceous gland conversion, highlighting its role in stem cell fate decisions.

This study found that AR/VDR-targeted agonist hormone therapy can inhibit cell viability in HR2-av triple-negative breast cancer cell lines through multiple mechanisms and may enhance the effects of chemotherapy.

This study found that the CD44(+) ALDH(+) population of neonatal human keratinocytes exhibited enhanced stem cell properties, including significantly increased long-term epidermal regeneration and multipotency, compared to unfractionated cells.

This review discusses the role of the androgen receptor in breast cancer diagnosis and treatment, and notes a lack of new research results on its therapeutic potential.

This study found that the vitamin D receptor is essential for the self-renewal, migration, and differentiation of epidermal stem cells during skin wound healing in mice.

In this study, the researchers found that vitamin D and calcium signaling in keratinocytes are essential for normal skin regeneration after wounding, with deficiencies significantly delaying wound closure and re-epithelialization in mice.

This comprehensive review suggests that CD44 signaling plays a significant role in post-natal skin wound healing and scar formation, with potential for therapeutic approaches targeting CD44 to shift from fibrotic scarring towards regenerative healing, including wound regeneration and hair neogenesis.

This study found that WNT10A is significantly upregulated in human esophageal squamous cell carcinoma and is associated with enhanced tumor cell migration, invasion, and poor survival.

This review discusses the paradoxical effects of valproic acid on hair, noting that it can both cause alopecia and stimulate hair growth, but reports no new experimental findings.

This article discusses the paradoxical effects of valproic acid on hair, reporting both drug-induced hair loss and the potential for hair growth when used topically, but presents no original research findings.

In this study, researchers found that recombinant human HAPLN1 promoted hair growth in mice and human hair matrix cells by activating specific signaling pathways, suggesting it may offer a potential hair loss treatment with fewer side effects than existing medications.

CD44 variant changes start alopecia areata, but don't maintain it.

This review discusses the differences in wound healing between fetal and adult skin, highlighting the potential to uncover genes for scarless repair that could improve adult wound healing.

The researchers reported that in mice, prolactin signaling in the skin epithelium inhibits hair follicle stem cell activation, promoting quiescence during periods of high serum prolactin like pregnancy and lactation.

This discussion proposes a model to incorporate patients with hormone-resistant prostate cancer into the existing framework by redefining hormone resistance and exploring new therapeutic approaches.

This study found that androgen signaling has complex effects on bone formation in male AR3.6-transgenic mice, with varying impacts based on the embryonic lineage of cells.

This study found that controlling transferrin receptor expression effectively regulates iron content in the epidermis and hair of transgenic mice.

This study used single-cell RNA sequencing to map the cellular composition of sheep hair follicles, revealing differentiation pathways and potential molecular mechanisms for wool curvature, which may inform sheep breeding.

The document concludes that stem cells and their environments are crucial for skin and hair health and have potential for medical treatments.