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This review discusses recent advances in understanding Merkel cell carcinoma biology, including the development of genetically-engineered mouse models and potential therapeutic targets, but reports no new clinical results.

This study found that Merkel cell carcinoma recurrence risk peaks within the first two years after diagnosis and varies significantly by stage, with immune suppression, age, and male sex also influencing risk.

This study found that chromosomal microarray analysis identified copy number variations in 12% of patients with dysmorphic features and congenital anomalies, demonstrating its potential as a diagnostic tool, especially for rare CNVs and immune deficiency linked to the deletion of CTLA4.

This study observed that sonidegib led to a meaningful clinical response in a real-world Chinese cohort with locally advanced basal cell carcinoma, although pathological biopsy remains essential to confirm tumor clearance due to false positives in noninvasive assessments.

This study demonstrates that the ability of human hair follicle keratinocytes to form clones decreases with ageing.

This study found that Flightless I (Flii) positively influences hair follicle regeneration in rodents, contrasting with its known negative effect on wound healing.

This study found that water extract of olive leaf may enhance markers linked to epidermal and dermal stem cell activity and potentially improve skin aging, especially in individuals who do not exercise regularly.

In this study, canine hair follicle stem cells were shown to be multipotent, capable of differentiating into various cell types like adipocytes in vitro.

This study found that canine hair follicle stem cells in vitro expressed markers associated with multipotency, suggesting their potential role in the hair cycle.

This study identified significant gene expression differences in human basal cell carcinoma, including up-regulation of zinc finger encoding genes, which are not entirely reflected in current mouse models.

In this study, the researchers synthesized copper-doped mesoporous silica nanoparticles and observed that they enhance tumor microenvironment regulation and, when paired with disulfiram, effectively kill cancer cells while also showing synergistic anti-tumor effects with immune checkpoint inhibitors.

This study developed PiSCES biosignatures that distinguished alopecia areata patients from controls, revealing enhanced basal TCR signaling and a potential disease-specific signaling network signature.

The authors concluded that antibodies against tyrosinase and gp100 may be effective in diagnosing melanoma, including challenging variants like amelanotic and desmoplastic types, when appropriate antigen retrieval techniques are used.

This study identified CD28 as a promising drug target for treating alopecia areata, using a multi-omics approach to highlight its role in immune regulation and linking it to favorable safety profiles, thus offering a strategy for autoimmune target discovery.

In this study, only a subset of proposed biomarkers universally responded to priming in mesenchymal stromal cells, suggesting limited utility for standardized potency assays across different MSC types and conditions.

This study found that the expression of LRIG1 in Merkel cell carcinoma tumors was associated with improved overall and cancer-specific survival.

This study reported improvement in hair loss lesions in C3H/HeJ mice with alopecia areata following treatment with the CCR5 inhibitor maraviroc, alongside reduced infiltration of specific T cells in the lesions.

Enhancing Tregs can protect against alopecia areata.

This study found that in circulating tumor cells from non-invasive liquid biopsies, the GG genotype of the CYP3A5 A6986G affects longer disease-free survival in DLBCL patients, highlighting the significance of circulating biomarkers for prognostic evaluation.

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 report describes a case where a woman's hair loss following COVID-19 vaccination improved after treatment with autologous CD34+ hematopoietic progenitor cells and umbilical cord blood-derived mesenchymal stem cells, with no significant adverse effects observed over the 12-week treatment period.

This article reviews cell proteomic footprinting technology and its application in improving the authentication and quality control of cell-based immunotherapeutics, without providing new clinical results.

CD206+ macrophages are crucial for hair growth in alopecia areata treatment.

This study found that HIF1 and mTORC1 signalling were active in both basal cell carcinoma and trichoepithelioma, but the pathways do not reliably differentiate between the two.

People with acne have more CD4+ immune cells in their skin than healthy people.

The authors report that a 62-year-old woman with invasive conjunctival squamous cell carcinoma experienced complete remission two years after combining cemiplimab, retinoic acid, and IFNα-2b treatments, highlighting potential utility despite limited availability of IFNα-2b.

This study found that CD34 is necessary for TPA-induced activation of hair follicle stem cells and tumor formation in mice, with CD34 knockout mice showing delayed and reduced tumor development compared to wild-types.

This study found that CD1d is strongly expressed in human scalp skin and hair follicles, particularly in the anagen phase, suggesting a role in scalp immunology and potential implications for hair disorder treatment.

This study found distinct gene expression profiles in alopecia areata-affected skin, suggesting T-cell mediated immune responses and unique gene profiles between different stages of the disease.