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This introduction reviews historical use of steroids for alopecia treatment, mentioning early cases of hair regrowth with cortisone acetate but provides no new clinical data.

This study observed that androgen treatment increased ROS production and TGF-β1 secretion in rat hair follicle dermal papilla cells, suggesting that the androgen-induced TGF-β1 is mediated by ROS.

Hair can regrow after certain stem cells are lost because other stem cells can take over their role.

This protocol describes using two-photon laser-scanning microscopy to study hair regeneration in live mice, offering detailed imaging capabilities for observing hair follicle stem cell behavior and manipulating cellular populations.

Healthy mitochondria in skin cells are essential for proper hair growth and skin cell interaction in mice.

This study suggests that the susceptibility of hair follicle melanocytes to oxidative stress as they age may be key in the graying of hair due to reduced catalase expression and activity.

This article discusses the role of neurohormones and neuropeptides in hair follicle pigmentation and outlines promising neuroendocrinological strategies to address greying and damage, but reports no new clinical results.

In this study, coudability hairs were identified as a useful marker for assessing disease activity in patients with alopecia areata and may serve as an alternative to the hair-pull test.

This study observed that in hormone-starved prostate cancer cells, the androgen 5alpha-dihydrotestosterone rapidly induces matriptase activation and shedding, which involves androgen receptor signaling and requires both transcription and protein synthesis.

This study demonstrated that hair follicle-derived cells can induce hair follicle formation in an in vitro skin organ culture system using human retroauricular skin specimens.

This study found that controlled release of VEGF via a collagen hydrogel promoted hair follicle growth and cell proliferation in mice more effectively than free VEGF injections.

This article reviews the psychodynamic factors and treatment options for dysmorphophobia, highlighting the need for intensive psychotherapy, and introduces the concept of "Dorian Gray Syndrome.

This study introduces the concept of teloptosis, which influences hair shedding during the telogen phase and affects hair density, highlighting that early or delayed teloptosis has noticeable effects.

This study found that rhodamine B penetrated human hair fibers more effectively from an aqueous solution compared to a methanol/ethanol solvent, with penetration depending on hair morphology.

This study found that prolactin and melatonin both stimulated hair shaft elongation in Cashmere goat hair follicles, with maximum growth observed at specific concentrations, although melatonin reduced follicle viability after 96 hours.

Growth factors can either promote or inhibit hair follicle cell growth and collagen breakdown.

This review discusses the diverse applications of platelet-rich plasma in aesthetic dermatology and assesses the existing literature on its effectiveness, reporting no new clinical results.

This study found that repeated microneedle stimulation in mice promoted hair growth and increased the expression of hair-growth-related genes, suggesting potential therapeutic uses for alopecia.

In this study, Japanese patients treated with adipose-derived stem cell-conditioned medium for hair regeneration showed positive outcomes, suggesting it may be an effective new therapy for alopecia.

This article details laboratory methods for isolating and culturing human dermal papilla cells but provides no new experimental results.

This study found that the Stem Cell Educator therapy improved hair regrowth and quality of life in patients with severe alopecia areata by restoring immune balance and protecting hair follicles from autoimmune damage.

This study observed that in frizzled 6 null mice, initially uncorrelated hair follicle orientations develop into highly ordered patterns over time, suggesting possible mechanisms for biological structure patterning.

This study found that circadian clock genes are involved in regulating the hair growth cycle, suggesting a connection between daily rhythms and the longer hair follicle cycling process.

mIGF-1 in skin cells speeds up wound healing and hair growth in mice without harmful effects.

This review discusses the historical development of hair straightening products for Afro-ethnic hair and reports no new research findings.

This study reports that corneal transient amplifying cells can be reprogrammed into epidermal cells capable of forming hair follicles in response to embryonic dermis signals.

This article discusses the complexities of treating hair and scalp disorders in African American patients, emphasizing the importance of understanding their specific hair care practices and the unique impact on quality of life, but reports no new empirical findings.

In this study, researchers observed that loose anagen hair syndrome is an autosomal dominant disorder characterized by abnormal hair follicle structure and premature keratinization, possibly due to signaling and desmosomal component disturbances.

In this study, cyclosporin A treatment significantly increased hair length in nude mice compared to controls, but hair growth reversed after treatment stopped.