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Collagen VII helps skin heal and stay strong, sirolimus may lower skin cancer risk in kidney transplant patients, high-molecular-mass hyaluronan helps naked mole rats resist cancer, dermal γδ T cells aid in hair growth in rodents, and overexpression of IL-33 in mouse skin causes itchiness, offering a model for studying allergic inflammation treatments.

Small molecule DMF improves psoriasis and multiple sclerosis, adult skin cells can be made to grow new hair, certain skin cells initiate hair growth, IL-17C controls gut health and can cause skin inflammation, and skin cells produce IL-17 that can lead to psoriasis.

In a Phase II trial, Cox and colleagues reported that anti-IL17A therapy was well tolerated and led to a 64% reduction in wound size for venous leg ulcers unresponsive to standard treatments, although further validation in a larger trial is needed.

This commentary discusses a study reporting that platelet-rich plasma (PRP) treatment led to increased hair growth in androgenetic alopecia patients, while critiquing its conclusion on the ineffectiveness of microneedling.

New findings suggest targeting IL-23 could treat psoriasis, skin cells can adapt to new roles, direct conversion of skin cells to blood cells may aid cell therapy, removing certain tumor cells could boost cancer immunotherapy, and melanoma may have many tumorigenic cells, not just cancer stem cells.

This review discusses various techniques for treating post-acne scars, highlighting new laser technologies and tissue augmentation methods, but reports no new clinical results.

This article provides contact information for Bruce A. Morgan and features no new research findings.

This study demonstrated that OSA hydrogels enhanced the stability and retention of dermal papilla-derived extracellular vesicles, which significantly improved hair regeneration in both cultured human hair and a mouse depilation model.

This study suggests that miRNAs, particularly miR-195-5p, may regulate the loss of hair follicle inductivity in cultured dermal papilla cells by suppressing the Wnt/β-catenin pathway.

This study found that both intradermal injection and derma roller techniques for QR678Neo® hair regrowth therapy improved androgenetic alopecia symptoms, with intradermal injections showing non-significantly better video-microscopic outcomes but more pain and erythema associated with derma rollers.

This article discusses the role of dermal papilla and dermal sheath cells in the hair cycle and reviews finasteride and minoxidil's mechanisms in promoting hair growth, but presents no new clinical findings.

This study found that Avicennia marina extract and its active compound avicequinone C inhibit enzymes and receptors related to androgenic alopecia, potentially supporting hair growth in cultured dermal papilla cells.

This study found that high doses of irradiation can cause permanent hair loss in rats by destroying the epithelial elements of the hair follicle, while leaving the dermal papilla intact and capable of inducing new hair growth upon transplantation.

This article discusses the regulation of the aesthetics sector, highlighting political and regulatory challenges, and reports no new research findings.

This review discusses the role of androgens in hair follicle regulation and suggests that a better understanding could enhance treatments for conditions like hirsutism and alopecia, but does not present new findings.

This study found that compound 2 from Polygonum multiflorum significantly increased dermal papilla cell proliferation and hair-fiber length, suggesting potential as a therapeutic agent for alopecia.

This review discusses hydrogel-forming microneedles for non-invasive drug delivery in dermatology and reports no new clinical results, emphasizing their promise in improving treatment adherence and patient comfort.

This study found that Ecklonia cava enzymatic extract, particularly its component dieckol, promoted hair growth by increasing dermal papilla cell proliferation and inhibiting 5α-reductase activity in cultured vibrissa follicles and C57BL/6 mice.

This article reviews the cellular dynamics affecting dermal papilla size in androgenetic alopecia and suggests targeting DP size could improve therapies, but it presents no new clinical data.

This study found that intermediate hair follicles are morphologically distinct from terminal follicles and offer a novel model for developing new alopecia therapies despite being technically more challenging to study.

This study found that Undariopsis peterseniana extract may promote hair growth by activating specific cellular pathways, suggesting potential for treating alopecia.

This study found that Ishige sinicola extract increased hair growth and cell proliferation in cultured vibrissa follicles and mice, suggesting potential benefits for treating alopecia through β-catenin activation and 5α-reductase inhibition.

This study found that Sargassum muticum extract and apo-9′-fucoxanthinone promoted hair growth in rat and mouse models by increasing dermal papilla cell proliferation and activating certain signaling pathways.

This article reviews current research on animal models for hair regrowth treatments and reports no new findings; it highlights the need for studies comparing therapy efficiency and long-term safety.

Acankoreoside J from Acanthopanax koreanum may help promote hair growth.

This study found that vanillic acid from wheat bran promoted dermal papilla cell proliferation, potentially stimulating hair growth by activating the PI3K/Akt and Wnt/β-catenin pathways.

This study found that mackerel-derived fermented fish oil extract and its component DHA promote hair growth by activating anagen pathways in dermal papilla cells.

This review discusses the structure, functions, and growth cycle of human hair, emphasizing its reduced growth and protective roles, and reports no new research findings.

This study found that concentrated nanofat, used alone or with decellularized nanofat, may enhance hair growth in mice by activating dermal papilla cells and the anagen phase.

In this study, the introduction of autofibroblasts into ischemic wounds was found to be slightly less favorable for regenerative histogenesis compared to a dermal equivalent with heterofibroblasts, with minor differences in epidermis thickness, collagen fiber area, and blood vessel area.