May 2026 in “Scientific Reports” In this study, researchers overexpressed Lrig3 in mouse skin and observed hair loss linked to changes in skin protein profiles and signaling pathways, suggesting a potential role for Lrig3 in maintaining skin homeostasis.
April 2026 in “bioRxiv (Cold Spring Harbor Laboratory)” This study found that human skin melanocytes with low mutation burdens are smaller, less dendritic, and exhibit stem-like features, often residing in UV-protected hair follicles, suggesting their role in replenishing sun-damaged epidermis.
The researchers observed that in cichlid fishes with different dental structures, tooth replacement accelerated more than three times following tooth extraction, alongside distinct changes in gene expression and cellular interactions over one week, providing insights into tooth regeneration mechanisms in vertebrates.
April 2026 in “Experimental & Molecular Medicine” This study used integrated single-cell chromatin and transcriptomic analyses in developing mouse skin to uncover gene networks involved in skin lineage specification and identified Mef2c+ upper fibroblasts as potential precursors to certain muscle-like structures, with cross-species findings in human skin.
April 2026 in “AMEI's Current Trends in Diagnosis & Treatment” This review discusses the symptoms, causes, and treatment options for polycystic ovary syndrome and reports no new results; the authors highlight the role of lifestyle changes, medications, and fertility treatments.
April 2026 in “Cellular and Molecular Immunology” In a conditional knockout mouse model, this study found that loss of the transcription elongation factor SPT6 in basal keratinocytes led to psoriasis-like skin inflammation and delayed wound healing, suggesting SPT6 plays a crucial role in maintaining epidermal immune quiescence by suppressing proinflammatory NF-κB signaling.
This study demonstrates that a novel autologous hair follicle-derived epithelial sheet can effectively repigment skin in patients with stable vitiligo, offering a potential new treatment option.
February 2026 in “Frontiers in Immunology” This study found that administering human amniotic mesenchymal stem cells (hAMSCs) in a mouse model of psoriasis improved skin lesions and reduced inflammation-related markers, suggesting potential therapeutic benefit and safety for treating psoriasis, and identified specific gene targets involved in the treatment's mechanism.
January 2026 in “Forum Dermatologicum” This case study examined a 72-year-old woman with unique hair shaft constrictions consistent with monilethrix, despite features atypical for this condition, ultimately reaching a diagnosis that led to successful improvement using oral minoxidil and reduced hair trauma.
December 2025 in “Nature Communications” In this study using mouse models, researchers found that elevated IL-17a in aged olfactory epithelium impairs olfactory function, while IL-17a inhibition promotes regeneration and mitigates age-related decline.
August 2025 in “Animal Bioscience” In this study, researchers examined the methylation patterns in the skin tissues of Alpine Merino sheep with varying wool fiber diameters, finding that specific methylated RNAs linked to the Wnt, Notch, and TGF-ẞ signaling pathways may influence fiber diameter and potentially improve wool quality.
August 2025 in “Scientific Reports” This study found that the protein C4BPA may link insulin resistance and acne vulgaris by influencing lipid metabolism and inflammatory pathways, suggesting it as a potential mediator in the pathogenesis of both conditions.
August 2025 in “Dermatology and Therapy” This study conducted a meta-analysis of gene expression data from alopecia areata patients, identifying 5109 differentially expressed genes and highlighting enriched pathways like JAK-STAT signaling, providing insights into the disease's pathogenesis and potential treatment targets.
In this study assessing post-menopausal Asian women, distinct shifts in Malassezia species prevalence on the skin were linked to increased inflammation and impaired skin barrier function, potentially driving disorders like psoriasis and seborrheic dermatitis.
May 2025 in “Galen Medical Journal” This research highlights advancements in understanding and treating psoriasis, finding that targeted therapies like IL-17 and IL-23 inhibitors show promise, but challenges such as adverse events, treatment resistance, and the need for personalized approaches remain.
January 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” This study found that rhamnose can restore hair-inducing gene expression in dermal papilla cells and accelerate hair follicle regeneration by promoting the hair cycle into the anagen phase, suggesting its potential therapeutic application for alopecia treatment.
December 2024 in “Frontiers in Veterinary Science” This study on Dorper sheep identified important genetic factors influencing hair follicle development, finding that expression patterns and genes like DBI, FZD3, and ZDHHC21 play a crucial role in wool shedding, which could help improve understanding of mammalian skin-related traits and human hair advancement.
April 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” In a keratinocyte-specific knockout mouse model, this study found that deleting GRK2 disrupted hair follicle homeostasis, causing cyst-like structures, abnormal growth patterns, and eventual hair loss, suggesting potential links to immune-mediated alopecias.
February 2024 in “Frontiers in physiology” This study examines the role of hair follicle stem cells in epidermal regeneration during skin soft tissue expansion, proposing a potential method for their cellular and molecular regulation.
This study examined the molecular communication in psoriasis cells, highlighting unique immune cell interactions and identifying new features of the hair follicle cell-psoriasis axis. It suggests the potential for targeted therapies at the single-cell level to improve psoriasis treatment.
January 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” In this study, the researchers found that deleting ceramide synthase 4 in the skin's epidermis alters stem cell differentiation, disrupting hair follicle structure and barrier function, potentially leading to immune responses similar to atopic dermatitis.
November 2023 in “npj regenerative medicine” This study found that engineered reconstituted skin can form morphogenetic units that promote tissue patterning and hair regeneration, with certain signaling pathways restoring this ability in adult and fetal cells.
November 2023 in “Вопросы современной педиатрии” This study reported that genetic testing is crucial for accurately diagnosing hypotrichosis, especially in cases with subtle symptoms or coexisting severe atopic dermatitis, as demonstrated in a young girl with a DSG4 gene mutation.
October 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” This study constructed a comprehensive atlas of prenatal human skin, revealing that innate immune cells, such as macrophages, play a crucial role in skin morphogenesis by interacting with non-immune cells, influencing hair follicle formation and angiogenesis beyond their traditional immune functions.
August 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” This study found that maintaining a low level of Wnt/β-catenin activity is crucial for mammary gland development, as excessive activity inhibits branching and promotes characteristics of hair follicles instead, highlighting its role in skin appendage identity decisions.
July 2023 in “Frontiers in veterinary science” In this study, researchers analyzed skin samples from Dorper sheep to identify 395 differentially expressed long non-coding RNAs (lncRNAs) linked to hair follicle growth phases, suggesting these lncRNAs may play a role in the regulation of hair shedding through pathways like estrogen and PI3K-Akt signaling.
March 2023 in “Clinical, cosmetic and investigational dermatology” This study suggests that IL-33 promotes hair follicle changes and T cell infiltration in psoriatic mice and humans, contributing to psoriatic alopecia.
February 2023 in “Research Square (Research Square)” This study reports that a new mouse model with a CARD14 mutation successfully mimics key human PRP symptoms, and anti-IL-17A antibody significantly reduces these symptoms.
January 2023 in “Czech Journal of Animal Science” This study found that down and guard hairs of Inner Mongolia Cashmere Goats have distinct protein compositions and physical properties, with keratin-related proteins potentially influencing these differences.
January 2023 in “Pesquisa Veterinária Brasileira” This study reports that hypotrichosis congenita in Hereford cattle is associated with a KRT71 mutation, leading to color dilution follicular dysplasia.