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This study found that glycosaminoglycan levels were higher in the occipital area of the hair shaft compared to the parietal area, with children showing higher levels than adults.

This study reported that recombinant sonic hedgehog proteins can promote hair growth by activating hair-related genes and signaling pathways, suggesting potential as a therapeutic agent in mice.

This study used a 3D simulation to show that human hair provides varying levels of UV protection depending on head orientation and hair alignment, highlighting hair's role in scalp UV protection, especially for those with alopecia.

In this case report, two young women with female pattern hair loss experienced significant hair regrowth without adverse effects after six months of treatment with bone-marrow-derived mesenchymal stem cells and their extracellular vesicles, suggesting potential for this approach when conventional treatments fail.

Genes controlling hair growth and immune response are disrupted in male pattern baldness.

Testosterone therapy can help improve mood, sexual function, and bone health in women with low androgen levels, but more research is needed to establish safe and effective guidelines.

This study found that dermis micrografting improved hair growth and density in patients with androgenetic alopecia over 4, 6, and 12 months, suggesting it could be a novel treatment option.

This study concluded that a regimen of transdermal estradiol and oral medroxyprogesterone acetate effectively reduces hirsutism while minimizing side effects in women with polycystic ovary syndrome.

This study found that men aged 33 to 44 with androgenetic alopecia experienced significant hair improvement over 7 months after treatment with autologous cells using the Rigenera® system, as evaluated by HairMetrix® technology.

This source highlights the essential role of androgens in women's health, noting their impact on various body systems and the critical need for more research on androgen therapies regarding side effects, patient selection, and laboratory standardization.

This review discusses the creation of transgender-specific guidelines by WPATH and the Endocrine Society, based mostly on clinical experience, and reports no new results.

This study found that transient mtDNA double strand breaks in mice accelerated aging in certain tissues through increased reactive oxygen species, independent of p21/p53 pathway mediation.

This study found that using an oral contraceptive with bicalutamide significantly reduced hirsutism in women with PCOS compared to an oral contraceptive alone, although it increased total cholesterol and LDL levels.

This article reviews treatment options for male androgenetic alopecia, including their distinct aims of arresting progression, stimulating regrowth, and concealing hair loss, and reports no new clinical results.

This review details the expression and diverse functions of melatonin receptors in non-neural tissues and reports no new clinical findings, emphasizing their potential as therapeutic targets across various physiological and pathological processes.

This retrospective study found that adipose-derived stem cell-conditioned media increased hair density and thickness in women with female pattern hair loss over 12 weeks, with no severe adverse effects reported.

This study found that follistatin and activin interactions are important for hair follicle development and cycling in mice, suggesting that they may regulate processes involving BMP-2 and its antagonist.

This article reviews current strategies and advancements in regenerating skin appendages and sensory nerves in tissue-engineered skin, highlighting the challenge of restoring skin sensations like pain, temperature, and touch to improve patients’ quality of life.

The study reports that Fgf18 and Tgf-β2 signaling pathways in hair follicle stem cells have opposing effects on the timing of hair cycle transitions, influencing the shift from telogen to anagen phases.

This review discusses recent findings on hair follicle morphogenesis and regeneration, focusing on molecular signals and stem cells, and suggests that understanding these processes may aid in developing new strategies for wound healing.

This review evaluates various kits for isolating platelet-rich plasma using established processing standards and finds they enable compliance with consensus quality criteria; ongoing research is needed to refine these procedures for improved consistency and safety.

This study found that after injury, the bone marrow microenvironment's increased Wnt10b expression supports hematopoietic stem cell regeneration by enhancing Wnt signaling, revealing a vital interaction during recovery.

This review discusses recent research and applications of RADA16 and RADA16-based peptide scaffolds in biomedicine, including their roles in tissue repair and drug delivery, but reports no new clinical results.

This study validated a protocol for inducing surface ectoderm differentiation from human induced pluripotent stem cells and highlighted the role of TGFβ signaling pathways in this process.

This review suggested that low-level light therapy using red/near-infrared light could be a safe and effective treatment for various skin and hair conditions, though more robust trials are needed to solidify its clinical utility.

This study observed various patterns of permanent alopecia in breast cancer patients treated with taxanes and adjuvant hormonal chemotherapy, hypothesizing disruptions in hair follicle cycles due to chemoinflammatory and hormonal factors.

This study reports that dynamic interactions between stem cells and their niche, influenced by macro-environmental factors, regulate regenerative behavior in integument pattern formation.

This article discusses follicular cell implantation as a potential solution for hair restoration limitations, but notes inconsistencies and challenges in human applications, reporting no new clinical results.

This review discusses historical and recent advances in understanding the embryonic organizer's role in patterning during development, including molecular pathways and future research challenges, but reports no new experimental data.

In this study of healthy men, low levels of testosterone and dihydrotestosterone were associated with higher body mass index, fat content, and insulin resistance, but their effects on lipid and glucose metabolism were similar in quality.