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.
In this systematic review, the authors reported that both FUE and FUT hair transplant techniques induce oxidative stress and inflammation, impacting graft survival, but interventions like PRGF, CO2 laser, and dermal microtissues can enhance healing, reduce inflammation, and improve follicular survival.
In this study, human dermal papilla cells exposed to wasabi leaf extract showed changes in cytokine-related gene expression, which the authors suggest could help clarify the biological effects of wasabi.
May 2025 in “Animal Bioscience” This study found that inhibiting prolactin secretion during the telogen phase can reduce the number of activated secondary hair follicles and the width of hair bulbs.
April 2025 in “Scientific Reports” This study explores how Astragaloside A from traditional Chinese medicine may combat lung adenocarcinoma by regulating key signaling molecules like STAT3 and AKT, using techniques such as network pharmacology and molecular docking to understand its mechanisms in cellular models.
This scoping review found that microneedle patches loaded with exosomes, primarily derived from mesenchymal stem cells, show promising potential for delivering exosome therapies to treat non-cicatricial alopecia, suggesting new directions for enhancing hair follicle regeneration.
This study found that MEIS2 expression in neural crest-derived cells is crucial for whisker and trigeminal nerve development in the mesenchyme, indicating an early role in epithelial placode formation and dermal condensation, independent of sensory innervation or Foxd1 expression.
February 2025 in “Archives animal breeding/Archiv für Tierzucht” This study found that certain gene polymorphisms in keratin 27 and ELOVL4 are linked to improved cashmere fineness and production traits in Liaoning cashmere goats.
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.
January 2025 in “Clinical and Medical Engineering Live” This study discusses the potential health risks associated with occupational radiation exposure, including genetic mutations, cancers, and other diseases, and outlines strategies for prevention and occupational health safety.
December 2024 in “Highlights in Science Engineering and Technology” This review discusses the potential of hair follicle stem cells in hair regeneration therapies but reports no new clinical results, highlighting the need for further research to address existing challenges in their application.
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.
This research describes a crucial role for Meis2 expression in mesenchymal cells derived from the neural crest for whisker formation, showing that whiskers can develop without sensory innervation or FOXD1 expression, highlighting an early function of MEIS2.
This study found that new methods for isolating human dermal papilla cells were more efficient than traditional methods, maintaining higher levels of specific markers and improving the cells' research potential.
June 2024 in “Georgetown Scientific Research Journal” This study found that intradermal bleomycin injections induced dermal fibrosis in C57BL/6 mice, evidenced by hair follicle obliteration and dermal thickening, though no significant trends in gene expression were observed, indicating the need for further research to understand the link between fibrosis and dyschromia.
This study suggests that targeting the increased expression of SIX1 in systemic sclerosis may be a viable strategy for addressing dermal fibrosis.
April 2024 in “Lasers in medical science” This study found that near-infrared LED therapy enhanced ATP synthesis, reduced reactive oxygen species, and promoted collagen production and hair growth more effectively than white LEDs in human skin cells and a photoaging mouse model.
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.
April 2024 in “Más dermatología” This study reported that bioactive peptides from skin collagen, obtained through selective hydrolysis, improve skin collagen synthesis and remodeling, while inhibiting its breakdown by metalloproteinases, showing benefits such as enhanced skin hydration, elasticity, healing, and hair restoration, without associated adverse effects.
March 2024 in “World Academy of Sciences Journal” This narrative review explores how exercise might help maintain skin homeostasis disrupted by protein deficiency, potentially by promoting processes like increased collagen synthesis and stimulating anti-inflammatory effects, though the exact mechanisms are not entirely understood.
March 2024 in “Frontiers in genetics” This review discusses the insights gained from single-cell RNA sequencing of fibroblasts in various cancers and wound healing, highlighting differences in gene expression and novel interactions.
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 “GeroScience” This review explores how radiation-induced hair graying can be used as a model to study the mechanisms behind hair graying, focusing on cellular senescence and potential therapeutic targets to address age-related changes. Results are not provided.
In this study, researchers found that while applying a lotion containing Lactiplantibacillus plantarum subsp. plantarum N793 did not improve hair density overall compared to placebo, it was effective in improving hair density among individuals with relatively mild hair thinning.
December 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” This study observed that extracellular matrix scaffold membranes performed less effectively in wound healing for aged mice compared to younger ones, with senescent SPP1+ macrophages potentially hindering epidermal and fibroblast repair abilities.
December 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” This research examined the transcriptional landscape of quiescent melanocyte stem cells (qMcSCs) in adult female mice, revealing significant heterogeneity within this cell population and identifying novel subpopulations that vary in immune privilege regulation, melanocyte differentiation potential, and neural crest potential.
December 2023 in “Communications biology” This study found that inhibiting the HEDGEHOG-GLI1 pathway could reduce keloid size and gene expression, suggesting it as a potential therapeutic target for keloid pathogenesis.
December 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” This study found that AP-2α and AP-2β transcription factors are crucial for maintaining adult skin homeostasis, with their inactivation in keratinocytes leading to impaired differentiation, hair abnormalities, and inflammation, highlighting their key regulatory roles.
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 “Frontiers in cell and developmental biology” This source reviews mechanisms and existing treatments for hair aging, highlighting factors like oxidative stress and DNA repair defects that affect hair follicle and stem cell function, and discusses research limitations and future directions in the field.