March 2024 in “Journal of biobased materials and bioenergy” In this study, tea tree oil was found to have substantial antibacterial activity and promote proliferation and migration of hair follicle stem cells in vitro, indicating potential benefits for treating scalp alopecia areata.
February 2024 in “Journal of Investigative Dermatology” In this study, the deletion of NIPP1 in keratinocytes led to chronic skin inflammation and epidermal changes in mice, with early cell-cycle arrest and premature senescence observed, potentially contributing to reduced mutagen sensitivity.
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.
January 2024 in “Journal of cellular immunology” This review explores the complex interactions of intrinsic and extrinsic mechanisms that regulate hair follicle stem cells and their role in skin homeostasis, aiming to advance understanding that could support future research on skin disorders.
January 2024 in “Neuroscience Applied” This study observed significant differences in oxytocin receptor expression and stem cell migration in a valproic acid-induced rat model of autism, with male rats showing notably reduced oxytocin receptor expression compared to their normal counterparts, highlighting potential gender differences in susceptibility to autism-related brain disturbances.
In this study, preconditioning hair follicle-derived stem cells with valproic acid and/or rapamycin was shown to protect against damage caused by oxygen glucose and serum deprivation, potentially enhancing stem cell therapy efficacy for ischemic stroke by improving cell adaptation to oxidative stress.
November 2023 in “Nature Communications” This study reported that depleting the pro-apoptotic protein Bax in hair follicle stem cells enables these cells to kill nearby viable cells by sequestering TNFα, which increases the stem cell pool and accelerates tissue regeneration, suggesting potential implications for therapies targeting tissue repair and cancer.
November 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” This study found that disrupted cholesterol homeostasis impairs hair regrowth in individuals with primary cicatricial alopecia by damaging hair follicle stem cells, highlighting the importance of cholesterol in maintaining stem cell function and hair follicle integrity.
October 2023 in “IBRO neuroscience reports” Rat hair follicle stem cells have functional oxytocin receptors, useful for studying neuropsychiatric disorders.
This study found that TLR2 and its ligand CEP are crucial for maintaining hair follicle health and stimulating hair growth, with deficiencies observed in aging and obesity potentially reducing regeneration.
September 2023 in “Frontiers in cell and developmental biology” This study found that a catalytically active version of Vav2 significantly altered gene expression patterns in hair follicle stem cells in mice, with these changes varying over the animals' lifespans.
August 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” This study found that TLR2 is crucial for maintaining hair follicle health and regeneration, and its stimulation by the metabolite CEP may promote hair growth, while decreases in TLR2 and CEP in aging and obesity may hinder hair growth.
July 2023 in “Regenerative Therapy” This systematic review found an increased incidence of hair loss and telogen effluvium among COVID-19 patients and reported preliminary effectiveness of platelet-rich plasma, adipose-derived mesenchymal stem cells, and human follicle stem cells for treatment without major side effects.
This study found that lentivirus-mediated overexpression of Sonic hedgehog significantly increased hair follicle stem cell proliferation and promoted hair follicle regeneration, with higher effects in non-alopecia areas.
June 2023 in “Research Square (Research Square)” This study found that autophagy activation in hair follicle stem cells shifted their metabolism to glycolysis, which promoted hair growth by initiating the hair follicle cycle.
May 2023 in “Research Square (Research Square)” 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.
In this pilot study, researchers found that ex vivo treatment with topical melatonin reduced chemotherapy-induced apoptosis and DNA damage in hair follicle stem cells of human scalp cultures, suggesting melatonin's potential as a protective agent against taxane-induced permanent hair loss.
April 2023 in “Journal of Investigative Dermatology” This pilot study suggests that topical melatonin may protect hair follicle stem cells from paclitaxel-induced damage, potentially preventing chemotherapy-induced alopecia and enhancing the effects of scalp cooling caps.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that DNA-damaged hair follicle stem cells in mouse models do not show typical senescent markers but are dynamically expelled to maintain tissue health and prevent hair loss.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” This study developed protocols to create skin organoids with hair follicles and other appendages from human induced pluripotent stem cells, representing a significant step towards understanding hair follicle development and potential applications in modeling skin diseases and reconstructive surgeries.
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that locally administering thymic stromal lymphopoietin (TSLP) promotes hair growth by stimulating hair follicle cell proliferation during both normal conditions and after skin injury in mice.
May 2022 in “Frontiers in Cell and Developmental Biology” This study identified that in pig embryos, the miR-29a-5p/EDAR/lncRNA627.1 ceRNA complex plays a critical role in inhibiting hair placode precursor cells proliferation and regulating hair placode formation through the suppression of EDAR expression, which may provide insights into similar mechanisms affecting human hair conditions.
January 2022 in “SSRN Electronic Journal” This study found that lncRNA RP11-818024.3 transfection promoted hair growth in AGA mice and increased cellular proliferation in vitro, potentially involving the FGF2 and PI3K-Akt pathways.
January 2022 in “Social Science Research Network” This study found that activating both PKM2 and Wnt/β-catenin signaling enhanced hair re-growth and HFSCs proliferation in mice, suggesting a potential treatment strategy for alopecia.
January 2022 in “Figshare” In this study, researchers found that dermal papilla cell exosomes can enhance hair follicle stem cell proliferation and reduce apoptosis through the Wnt3a/β-catenin signaling pathway, offering insights for potential hair problem treatments.
This review examines the potential of stem cells and their derived products, such as exosomes and conditioned media, in improving burn wound healing but presents no new clinical data.
October 2020 in “Research Square (Research Square)” This study found that treating aged mice with the Cdc42 inhibitor CASIN restored hair follicle stem cell functionality and improved hair regeneration by inducing anagen onset and increasing anagen skin areas.
August 2020 in “Research Square (Research Square)” In this study, transplantation of rat hair follicle stem cells was associated with reduced infarct volume and enhanced neurological recovery after ischaemic stroke, suggesting therapeutic potential for further clinical development.
May 2020 in “Research Square (Research Square)” This study suggested that non-colony dissociated hiPSCs can be effectively differentiated into functional RPE cells, and hiPSC-RPE cell spheroids showed promise for use in subretinal transplantation in animal models of retinal degeneration.
May 2020 in “Research Square (Research Square)” This study found that hair follicle stem cells, when transplanted in a rat model of ischaemic stroke, migrated to affected areas, expressed neuron-specific markers, and reduced infarct volume, suggesting potential therapeutic benefits.