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In this study, researchers developed a novel periodate oxidation method for extracting keratin micro-units from waste hair and feathers, achieving yields of 31.28% and 20.64% respectively, enhancing the stability of oil-in-water emulsions and suggesting potential for sustainable biomaterial production.

In this study, researchers used atomic force microscopy to capture and analyze morphological changes in the surface of healthy hair, identifying features such as pitting and rod-shaped macro-fibrillar elements, which could inform future research on hair conditions and care.

In this study, the authors reported that mycorrhizal treatment in trifoliate orange seedlings affected root hair growth and auxin-related gene expressions differently under varying phosphorus levels.

This study suggests that ATR-FT-IR spectral analysis of hair fibres may detect breast cancer through increased lipid content changes linked to cancer presence.

In this study, fish-derived collagen hydrolysate from tilapia scales improved hair growth and skin health in both cellular and mouse models, reducing oxidative stress and inflammation while enhancing hair quality and promoting beneficial gene expression.

In this study, researchers observed that the YH complex, made from Astragalus membranaceus and Cinnamomum cassia, promoted hair regrowth and increased hair shaft thickness in mice, potentially through increased growth factors and Wnt/β-catenin signaling, suggesting its use for treating various forms of hair loss.

This study found that participation in a training workshop can significantly improve the reliability of evaluating ultrasonographic features of polycystic ovaries, suggesting standardized training modules should be used for consistent diagnosis of PCOS.

This study identified that derivatives 4, 4b, and 4c strongly inhibited the enzyme type 1 5α-reductase and decreased reproductive organ weights in hamsters, suggesting potential as prodrugs for prostate tumor growth inhibition.

This study found that testosterone and dihydrotestosterone are crucial for synaptic transmission and spine density in male hippocampal neurons, suggesting sex-specific effects of neurosteroids on brain development.

In this study, transvaginal hydrolaparoscopy ovarian drilling in CC-resistant women with PCOS significantly improved ovulation and pregnancy rates over a six-month period, with 82.9% ovulating and a 70.1% pregnancy rate by the end of the study.

This study utilized a mouse model of traumatic brain injury to reveal that acute neurotrauma triggers widespread lipid metabolism reprogramming and storage lipid accumulation in microglial and monocyte populations, leading to lysosomal dysfunction, inhibited autophagy, and exacerbated inflammation through a pathological feedback loop.

This review discusses the range and causes of adipose tissue diseases, emphasizing genetic and acquired forms of lipodystrophy, but it reports no new clinical results.

This article reviews the challenges in diagnosing mild hyperandrogenism in adolescent girls, discussing potential causes like PCOS and treatment options, but reports no new clinical results.

In this study, trichoscopy was highlighted as a valuable diagnostic tool for traction alopecia, particularly in black women, revealing common signs like vellus hair and hair casts, although it requires a suggestive clinical history for effective use.

This review discusses the scalp microinfusion MMP® technique for hair loss treatment and reports no new results; it emphasizes the need for more standardized studies.

This review examines male androgenetic alopecia and reports no new clinical results, offering insights to aid dermatologists in making informed therapeutic decisions.

Botulinum toxin is not effective for treating male hair loss.

This article reviews treatment options for female-pattern hair loss, noting the limited evidence for most therapies and emphasizing that topical minoxidil remains the only well-supported option despite a significant non-response rate.

This study found that DNA hypermethylation was present in melasma lesions, and treatments with sunscreen, niacinamide, and retinoic acid were associated with decreased methylation and clinical improvement.

The document concludes that treatments like oral anti-androgens, minoxidil, and topical spironolactone can be effective for hair loss in men and women.

Topical spironolactone effectively treats hair loss in women.

This article reviews the role of trichoscopy in diagnosing hair weathering conditions like trichorrhexis nodosa and trichoptilosis and suggests treatment by avoiding harmful chemical and physical factors, but it provides no new research findings.

This article reports electron microscope studies on the structure of hair and wool, but it does not present new clinical findings.

This study reports two cases where pili anulati, typically a non-fragile hair condition, showed increased fragility due to androgenetic alopecia, causing hair shaft fracturing in the affected area.

This chapter reviews the anatomy and structure of hair, discusses hair damage and analyses, and explores methods for processing hair changes, but presents no new research findings.

This review discusses the complex etiology of polycystic ovary syndrome (PCOS), highlighting its association with insulin resistance and hyperandrogenism, but reports no clinical findings; the authors suggest further investigation of the pathophysiological mechanisms.

This chapter reviews the complexity of hair and wool follicle formation, emphasizing the importance of cytological studies to understand the relationship between cellular components.

This study revealed that human keratin-associated protein genes are expressed in specific patterns in hair fiber regions and vary in size, with some variations distinct across different populations.

This review discusses various biologics for hair aging but reports no agent capable of reversing the natural aging process of hair.

This article illustrates various hair shaft defects and suggests that dermatologists can diagnose most of them using light microscopy and polarization without needing advanced imaging techniques.