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This study highlights the role of innate immunity and purinergic signaling in regulating hematopoiesis and hematopoietic stem/progenitor cell specification. The researchers observed that these ancient pathways operate both paracrinally and autocrinally within HSPCs, maintaining their developmental function throughout evolution.

Capsaicin cream quickly relieved itching in two patients with brachioradial pruritus.

This case report describes the youngest known patient with viral-associated trichodysplasia of immunosuppression, where systemic valganciclovir therapy improved facial papule eruptions following cardiac transplantation.

This manuscript describes a proposed ‘trichoscopy-assisted hair pull test’ that enhances the diagnosis of hair loss conditions by allowing immediate examination of proximal hair shafts and roots in patients with a positive hair pull test.

This study identified the osteopontin-derived peptide, FOL-005, as a potential inhibitor of unwanted human hair growth by promoting catagen development without reducing stem cell numbers or showing toxicity.

This article reviews the role of androgen in male pattern hair loss and its impact on hair follicle miniaturization, but it does not present new research findings.

This case report suggests that lamotrigine treatment may be associated with hair loss as a rare side effect, based on the observation of hair regrowth after discontinuation of the drug in a single patient.

This study found that electrical epilation in organ-cultured human scalp skin perturbs hair follicles by causing inflammation, impairing melanin production, and possibly inhibiting post-epilation hair re-growth.

This study observed that in an ex vivo setting, 17β-estradiol increased CB1 expression in human hair follicles, suggesting possible sensitivity to endocannabinoids and a potential mechanism for hair therapy.

This study found that the angora mouse mutation prolongs the anagen phase, resulting in excessively long hair and follicular abnormalities, without involving circulating hair cycle factors.

This study identified a large deletion in the desmoglein 4 gene as the genetic basis of the Iffa Credo "hairless" rat's skin phenotype, linking it to lanceolate hair mutations.

This review outlines the mechanisms, clinical features, and management strategies for alopecia areata and presents no new experimental findings.

This letter to the editor describes a case of anagen effluvium due to thallium poisoning from Chinese herbal medicine and rodenticide but reports no new research findings.

The researchers reported that applying proteolytic enzymes to mice skin negatively affected hair follicles, leading to degeneration and potential impairment of stem cells from the bulge area.

This article reviews advanced strategies for enhancing drug delivery to cutaneous stem cells to improve treatment for skin conditions and reports no new experimental findings.

This article reviews the autoimmune mechanism and potential environmental triggers of alopecia areata, focusing on cytokines, but does not provide new research findings.

Understanding skin structure and development helps diagnose and treat skin disorders.

This case report describes a 7-year-old girl who developed radiation-induced alopecia after a neurointerventional procedure, with dermoscopy revealing specific hair and scalp patterns that helped diagnose this rare complication. The findings highlight the importance of dermoscopy in distinguishing RIA from other alopecic disorders in children.

This chapter reviews the skin's structure and its clinical relevance, highlighting connective tissue diseases and the potential for novel treatments like protein, cell, or stem cell transfer, but reports no new findings.

This study found that knock-down of keratin 15 in various cell lines affected cell spreading, morphology, migration, differentiation, and proliferation, suggesting its role in maintaining the stem cell nature of keratinocytes.

Chemotherapy patients don't all lose their hair due to factors like hair growth rates, age, genetics, and the type of drugs used.

This study defines classification criteria for hair follicle dystrophy using a mouse model of chemotherapy-induced alopecia, providing tools for standardized hair damage assessment.

This review outlines the classification, histopathologic presentation, and pathogenetic concepts of scarring and nonscarring alopecias, reporting no new clinical results and emphasizing the need for clinicopathologic correlation.

This case report describes a newly identified condition called loose anagen hair of childhood, characterized by easily pluckable hair in two young boys, with variable duration and no scalp inflammation or scarring.

This review discusses the historical, legal, and clinical aspects of electrolysis and thermolysis, highlighting potential risks due to the lack of standardized training for electrologists in the United States, but reports no new clinical results.

This study found that certain C57BL/6 mouse substrains have a genetic vulnerability to skin lesions resembling central centrifugal cicatrical alopecia in humans, potentially worsened by high vitamin A levels.

This study found that overexpressing human Bcl-2 in mice protected epidermal keratinocytes from UVB-induced apoptosis but unexpectedly increased apoptosis during hair follicle regression and chemotherapy.

This review discusses the diagnostic criteria and guidelines for managing loose anagen syndrome and differentiating it from non-scarring alopecias, but it reports no new clinical results.

In this study, PTH-CBD effectively prevented and partially reversed chemotherapy-induced alopecia in mice, with pretreatment offering a better cosmetic outcome compared to therapeutic administration after hair loss onset.

This study observed that human hair follicles with a completely destroyed bulb can regenerate after being grafted onto immunodeficient mice, entering a shortened dystrophic telogen followed by anagen phase.