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This study found that mammary resident macrophages play a key role in mammary tissue development by influencing cell division and maintaining mammary stem cell activity through the TNF-α-Cdk1/Cyclin B1 signaling pathway, highlighting their importance in the mammary stem cell niche.

This study found that conditioned media from dental pulp stem cells stimulated significantly faster hair growth in mice, suggesting potential as a treatment for alopecia.

This article reviews the development and use of induced pluripotent stem cell models and artificial organoids for studying neurodevelopmental disorders, but it reports no new clinical findings.

The researchers reported that conditioned media from deer antler mesenchymal stem cells may enhance hair and skin regeneration by modulating cellular responses through secretory vesicles.

This review discusses the role of various genetic regulators in maintaining human mesenchymal stem cell stemness and highlights strategies for ex-vivo expansion, but reports no new clinical findings.

In this review, researchers examined how needle gauge and length impact the viability of human stem cells during injections, emphasizing the balance between minimizing tissue trauma and preserving cell viability to optimize clinical protocols.

This review highlights that exosomes from adipose-derived stem cells, particularly those enriched with circ-Ash1l, can inhibit ferroptosis and reduce UVB-induced skin aging by delivering GPX4-promoting signals to damaged cells, thus offering a potential regenerative therapy for photoaged skin.

This study observed that exosomes derived from adipose-derived stem cells significantly enhanced bone marrow mesenchymal stem cell migration and osteogenesis, leading to improved bone regeneration in a rat model of calvarial defects.

This study demonstrated that skin organoids derived from human stem cells can model cutaneous tuberculosis, revealing that fibrosis development in Mycobacterium tuberculosis-infected organoids is linked to the PI3K-AKT and AP1 pathways in fibroblasts, and suggesting the potential for antifibrotic treatment evaluation.

This study reported that stem cells derived from semi-solid bone marrow improved the healing of diabetic incision wounds in rats by increasing epidermal thickness and blood vessel growth, and reducing hair follicle destruction, cellular penetration, diffuse fibrosis, and necrosis compared to control groups.

This study highlights that human hair follicle dermal papilla cells and glypicans play crucial roles in regulating hair follicle stem cell differentiation.

This study found that miR-133a-3p and miR-145-5p influenced goat hair follicle stem cell differentiation by inhibiting NANOG expression and promoting SOX9 expression.

This study found that mammary resident macrophages regulate mammary epithelium cell division and development, with implications for maintaining mammary stem cell activity and homeostasis.

This study found that the transcription factor p63 is crucial for horizontal basal cell differentiation in the olfactory epithelium, suggesting a p63-dependent mechanism activates reserve stem cells after injury.

This review examines beta-catenin's role in stem cell renewal, lineage selection, and tumor formation in the epidermis and reports no new experimental findings.

This study found that selective downregulation of CD200 in the bulge area might contribute to unusual bulge involvement in a subset of alopecia areata cases.

This study found that injury affects the behavior of hair follicle dermal stem cells, steering them towards recruitment into the dermal papilla, a shift influenced by the hair cycle stage.

This study suggests that AT-ASCs significantly improve terminal and intermediate hair counts and hair caliber in androgenetic alopecia more than PRP, though with more side effects like headache and erythema.

This review discusses the therapeutic potential of MSC-derived secretomes for treating degenerative and inflammatory diseases, reporting no new clinical results but highlighting their proposed mechanisms and advantages over direct MSC transplantation.

This study found that human umbilical cord blood-derived mesenchymal stem cells (hUCB-MSCs) significantly prevented hair loss induced by dexamethasone in a mouse model and enhanced cell proliferation in human hair follicle cells, suggesting a protective effect against stress-related hair loss.

This article reviews potential mechanisms by which Finasteride might enhance mesenchymal stem cell viability and differentiation post-transplant, suggesting a supportive role in myocardial infarction therapy, yet reports no clinical results.

This study found that preconditioning human hair follicle-derived stem cells with valproic acid enhanced their survival and migration in ischemic-like conditions by activating autophagy and inhibiting the AKT/mTOR pathway, suggesting this approach could improve stem cell therapies for ischemic stroke.

This study found that the natural product Shi-Bi-Man significantly promoted hair regeneration in cynomolgus monkeys, increasing hair follicle number and activation by boosting specific protein markers and interactions in Laminin-related pathways.

This study found that adipose-derived mesenchymal stem cells produced more anti-inflammatory and pro-angiogenic cytokines on electrospun scaffolds, which enhanced wound healing and macrophage activity in a rat model.

This study found that platelet-derived growth factor signaling is crucial for maintaining the hair follicle dermal stem cell pool and supporting their regenerative capacity.

This study found that the postnatal thymus contains a population of mesenchymal stem cells that may help maintain functional thymic microenvironments.

This study found that exosomes derived from human amniotic mesenchymal stem cells enhanced stem cell proliferation and structural restoration in irradiated salivary glands of rats, with significant improvements observed by day 7, suggesting activation of the Wnt signaling pathway.

In June 2019, the stem cell research field saw major progress, including new clinical trials, FDA approvals, and industry collaborations.

This study identified a small population of PAX3+/CD34+ cells in human foreskin tissue that may serve as transition cells between melanocyte stem cells and hair follicle stem cells, characterized by specific marker expressions.

This study found that kaempferol increased the proliferation potential of basal epidermal cells in three-dimensional skin models by enhancing integrin expression and altering cell morphology.