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This study discusses the complex roles and effects of brain-synthesized sex neurosteroids, highlighting sex differences in their concentrations and their varied impacts on synaptic plasticity, cognitive behavior, and aging-related cognitive decline.

This study evaluated the effects of exosome therapy from hypoxia-treated mesenchymal stem cells on a fluconazole-induced alopecia model in rats and found that it significantly reduced TNF-α and increased VEGF levels, suggesting potential as a novel regenerative treatment for alopecia.

This case report observed that treatment with human placental mesenchymal stromal cell-derived exosome-enriched extracellular vesicles may improve symptoms of chronic cutaneous graft-versus-host disease, including hyperpigmentation and skin ulcers, in a patient resistant to conventional therapies.

This study reports that keratinocytes grown under low oxygen conditions (physioxia) demonstrated reduced reactive oxygen species production and increased antioxidant enzyme activity compared to those in higher oxygen conditions, highlighting the role of oxygen in regulating skin antioxidant defenses.

This review discusses how dysregulated levels of eicosanoids, which are metabolites of phospholipids, may contribute to skin diseases like psoriasis and atopic dermatitis, suggesting the importance of targeted eicosanoid control in diagnosis and treatment.

This study found that corticosterone promotes neurosteroid synthesis in hippocampal neurons, which can lead to ethanol-mediated synaptic dysfunction even at moderate ethanol levels, potentially contributing to stress-related cognitive impairment from alcohol.

In this study, higher expression levels of aromatase and steroidogenic acute regulatory protein were correlated with increased estrogen synthesis and fewer hair follicles in human skin, suggesting a link to elastic fiber formation and hair growth.

This study found that thalamic GABAA receptor α4 subunit levels increased after prolonged ethanol exposure and were regulated by phosphorylation and neuroactive steroids following acute high-dose ethanol administration.

This study found that finasteride improves scalp hair growth in men with male pattern hair loss by reducing scalp dihydrotestosterone levels, but it did not benefit postmenopausal women with female pattern hair loss.

This study observed that adding low-level light therapy with the GentleWaves® device to Minoxidil significantly boosted hair regrowth in men with androgenetic alopecia by reducing scalp inflammation.

This study observed a significant increase in cellular retinol-binding protein-1 expression in lesional skin of patients with alopecia areata compared to healthy controls, suggesting its potential role in the disease's pathogenesis.

This study found that low-level laser therapy with an 830-nm wavelength most significantly stimulated hair growth in rats, compared to other wavelengths tested.

The study reported that reducing finasteride particle size significantly improved its cellular permeation through prostate epithelial cells, though it had a lesser impact on systemic pharmacokinetics and tissue distribution in rats.

This review discusses various applications of low level laser therapy and argues for a holistic evaluation of patients but reports no new clinical findings.

People with hair loss have more androgen receptors and enzymes in certain follicles, with men and women showing different patterns.

This review found that many low-level light therapy studies report beneficial effects but often fail to provide adequate measurement details, affecting the reliability and repeatability of the research.

This review discusses the potential of single cell technologies to improve understanding and treatment of impaired wound healing and reports no new clinical results.

This review discusses the applications of low level laser therapy (LLLT) in wound healing, pain reduction, and treating various conditions, but reports no new clinical results; the authors highlight the need for randomized controlled trials for serious diseases.

This study found that in a rat model of alopecia, combining low-level laser therapy with Neoptide treatment resulted in better hair regrowth compared to either treatment used alone.

This review discusses the potential mechanisms and evidence supporting low-level laser therapy for stimulating hair growth in men and women, while noting its safety and effectiveness but needing further study on specific parameters.

This review discusses how the CRH/POMC systems may regulate human hair follicle pigmentation and highlights the concept of "self-similarity" in melanocortin systems at both local and systemic levels, without presenting new experimental results.

This study found that the L457(3.43)R mutation in the human luteinizing hormone receptor increases phosphodiesterase activity, reducing hormonal response despite elevated basal cAMP levels.

This study evaluated the use of low-level laser therapy for treating androgenic alopecia in adults, finding it a promising and safe at-home option for stimulating hair growth compared to sham devices, though further research is needed to confirm its clinical effectiveness.

This study found that low-level laser therapy increased the expression of proteins in dermal papilla tissues, suggesting it promotes hair growth in male androgenetic alopecia patients.

This review suggests that low-level light therapy can promote hair growth in patients with androgenetic alopecia, but more research is needed to standardize treatment parameters and assess long-term safety and efficacy.

This study suggests that policosanol may prevent androgenetic alopecia in mice by regulating hormone levels and suppressing premature hair follicle entry into the regression phase.

This study found that increasing energy fluence, session duration, and using pulsed irradiation significantly enhance hair regrowth in androgenetic alopecia when using low-level laser therapy, while the number of diodes does not affect outcomes.

This review discusses the role of ferritin in iron homeostasis and its potential utility in diagnosing iron deficiency as a cause of hair loss, while noting that ferritin's impact on skin and hair disorders is not fully understood.

This study suggests that low level laser therapy may promote hair cell regeneration in rat cochlear explants following gentamicin-induced damage.

This study reviews the mechanism and potential treatment roles of low-level laser therapy for immune-mediated skin diseases, reporting no new clinical results.