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In this study, researchers observed that the sebaceous gland niche in mice allows for Wnt-induced hair follicle differentiation, unlike the non-permissive bulge.

In this study, the first case of a persistent curly hair phenotype was reported with nivolumab treatment in a patient with metastatic squamous cell lung cancer.

This review discusses the pathobiology of chemotherapy-induced alopecia and highlights challenges in managing it, reporting no new clinical results and emphasizing the need for well-designed preclinical models to develop effective treatments.

Graft-versus-host disease is a complication where donor immune cells attack the recipient's body, often affecting the skin, liver, and gastrointestinal tract.

This review discusses the therapeutic potential of mesenchymal stem cell-derived extracellular vesicles and modern technologies like 3D bioprinting but reports no new clinical results.

This review explores how sex differences influence the pathophysiology, incidence, and treatment outcomes of ischaemic heart disease, and emphasizes the need for more sex-specific research.

In this study, most hair disorders among HIV-1 positive patients were associated with low helper T cell counts, with papulosquamous conditions like seborrheic dermatitis and psoriasis being the most common.

This study observed various patterns of permanent alopecia in breast cancer patients treated with taxanes and adjuvant hormonal chemotherapy, hypothesizing disruptions in hair follicle cycles due to chemoinflammatory and hormonal factors.

This review discusses mesenchymal stromal cell-conditioned medium for various skin conditions and found improvements in wound healing, hair restoration, and more, but emphasizes the need for further research to validate these findings.

This study found that hypoxia-conditioned mesenchymal stem cell exosomes increased GM-CSF and decreased IL-1 expression in a dose-dependent manner in a murine model, suggesting potential for treating androgenetic alopecia.

In this study, the application of human umbilical cord mesenchymal stem cell secretome significantly increased hair follicle count in fluconazole-induced alopecia in rats, although changes in epidermal thickness were not significant, suggesting a novel approach for hair restoration.

This review highlights the potential of mesenchymal stem cell secretome for developing topical treatments aimed at skin regeneration and treating various diseases, but notes a lack of studies on safety, efficacy, and standardization processes for its clinical use.

This study found that human embryonic stem cell-derived mesenchymal stem cells promote hair growth and enhance the transition from the telogen phase to the anagen phase in mice, especially under hypoxic conditions.

This study found that acral lick dermatitis in dogs has a higher prevalence in young male dogs, especially Labrador retrievers, during colder months, with psychogenic triggers being the most common cause.

This study observed that stem cells from the hair follicle dermis share similarities with bone marrow-derived mesenchymal stem cells and have potential to form neural-like cells under specific conditions.

This review provides an overview of how advancing imaging technologies, such as tissue clearing and intravital microscopy, are enhancing our understanding of tumor architecture and interactions between cancer cells and the tumor microenvironment, aiding both fundamental cancer research and the development of therapies.

This case report documents a 57-year-old man with nephrotic syndrome linked to recurrent chronic graft-versus-host disease and lupus-like symptoms, with improvement after cyclosporin and steroids; however, he died later from leukemia relapse.

This review describes bioengineering strategies to mimic the natural cell microenvironment in vitro, emphasizing the novel approach of using cell-synthesized extracellular matrix as a scaffold for engineering functional 3D tissues, while highlighting the limitations of exogenous scaffolds in tissue engineering.

This study found that para-phenylenediamine induces cytotoxic effects in normal human hair dermal papilla cells by altering microRNA expression and causing cell death, cell cycle arrest, and oxidative stress.

In this study, researchers identified two mechanisms of lipid loss from hair when exposed to surfactants, with the mechanism depending on the lipid's hydrophobicity.

This study found that human hair follicle-derived mesenchymal stem cells maintained their proliferation and differentiation potential when cultured with acidic fibroblast growth factor, basic fibroblast growth factor, or epidermal growth factor.

This study found that silicone oil-in-water nanoemulsions using nonionic surfactants can enhance silicone oil absorption on hair, suggesting a promising method for hair care applications.

This study found that using a hair dryer at 15 cm with continuous motion causes less surface damage to hair compared to natural drying, although higher temperatures increased overall surface damage.

This study found that shampoos with sugar-derived surfactants improved hair cleansing properties, were less cytotoxic, and resulted in easier hair combing compared to formulations containing sodium laureth sulfate.

This study observed that individuals with mixed ethnicity had hair that varied widely in shape and showed significant surface damage near the root, differing from monoracial hair characteristics.

This review evaluates the potential of natural products from marine microorganisms for cosmetic applications and reports no new experimental results, highlighting challenges and prospects in their use.

This study reported that using UVB preirradiation and anti-CD154 antibody treatment in a humanized mouse model prolonged hair follicle allograft survival and reduced immune cell infiltration without needing generalized immunosuppression.

This study developed immortalized human hair follicle-derived mesenchymal-like stromal cells (iHF-MSCs) as a consistent source of therapeutic secretome, reporting their superior immunomodulatory and regenerative performance, potentially advancing cell-free therapies for inflammation and tissue repair.

This narrative review found that while exosome-based therapies hold regenerative potential for skin rejuvenation, wound healing, and hair restoration, significant challenges, including variability in manufacturing and lack of regulatory approval, necessitate careful integration into dermatology practice, emphasizing the importance of patient safety and regulatory understanding.

In this study, researchers identified 47 proteins associated with male pattern baldness severity and prioritized five candidate genes, including druggable CD38, suggesting new non-hormonal targets for therapeutic development.