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This study observed that the development of the pars intermedia in long-tailed macaques is closely associated with changes in skin pigmentation during pre- and postnatal periods through melanocyte-stimulating hormone and ACTH activity.

In this study, the researchers found that mammalian hair likely evolved through the adaptation of existing structural proteins, as similar cysteine-rich α-keratins were identified in chicken and lizard genomes, suggesting pre-mammalian origins.

This study describes the first case of female pseudohermaphroditism due to a novel homozygous glucocorticoid receptor gene mutation, indicating possible pre- and postnatal virilization in affected females.

This narrative review discusses the role of injectable biomaterials in dental tissue regeneration, highlighting their suitability for treating small, hard-to-access oral defects compared to pre-formed scaffolds, and explores the potential use of nanofibers in dental applications.

This review discusses strategies and translational advancements in urethral tissue engineering, concluding that a combination of hypoxia-preconditioned mesenchymal stem cells on pre-vascularized synthetic scaffolds may be most effective; it reports no new clinical results.

This study found that inhibiting the 5alpha-reductase 2 pathway in male rats affects brain sexual differentiation and leads to reproductive changes, including increased pre-implantation loss despite unchanged copulatory potential.

This study successfully developed and characterized a monospecific monoclonal antibody, LHTric-1, that specifically localizes to the pre-cortical region of the hair follicle and can aid research on hair and nail formation.

This study explored the use of "microfollicles," a human hair follicle organoid model, as an in vitro tool for testing hair-growth substances, finding up to 75% overlap in gene expression changes with human clinical biopsy responses to minoxidil, indicating its potential for pre-clinical substance testing.

This review discusses the effects of 5ARI drugs on male reproductive parameters, reporting potential decreases in sperm count and motility more significantly in men with pre-existing oligozoospermia, but does not provide fertility outcomes.

This study found that sudden hair loss in guinea pigs may serve as a potential biomarker for subacute exposure to mustard gas, and pre-treatment with N-acetylcysteine could prevent this hair loss.

This study found that dermatological adverse events from interferon-alpha/ribavirin treatment for chronic hepatitis C are associated with factors like older age, pre-existing skin conditions, cirrhosis, and the use of pegylated interferon formulations.

This study reports that a robotic and AI-based system successfully analyzes FUE hair transplant procedures, aiding surgeons in planning and assessing operation success through detailed pre-op and post-op evaluations.

This article reviews the impact of aging and related urologic conditions on male fertility, highlighting the effects of various treatments on sperm parameters and recommending pre-treatment counseling for fertility preservation. It reports no new clinical results.

This study found that mice lacking CD61 had significantly shorter lower incisors compared to wild-type mice, suggesting CD61 is crucial for proper tooth growth and pre-ameloblast proliferation.

This study emphasizes the importance of understanding cosmetic procedures and their risks, particularly for individuals with darker skin, and highlights expert recommendations for pre- and post-procedure skin care, including the use of broad-spectrum sunscreen to prevent and improve pigmentation disorders.

This study reported that combined oral finasteride and topical 5% minoxidil treatment in men with male-pattern hair loss improved hair growth by initiating anagen in pre-existing but deficient follicles, yet the growth rates remained unchanged and did not normalize hair productivity.

This study developed and validated a comprehensive method using mass spectrometry to profile sex (pro)hormones in plasma, with results showing reliable calibration and detection of 31 analytes in samples from pre- and postmenopausal women and men, while addressing potential over- or underestimations in analyte concentrations.

In this study, researchers found that epithelial cells exhibit density-dependent metabolic heterogeneity, particularly in the pre-epithelial transition stage, where metabolic patterns correlate with cell proliferation and are influenced by actomyosin contractility.

This review summarizes advancements in stem cell technologies, highlighting their effectiveness in disease treatment and tissue reconstruction for conditions such as nerve palsy and myocardial infarction, supported by pre-clinical and clinical studies.

This case report described a peanut allergy transfer from an organ donor to two transplant recipients, emphasizing the need for pre-transplant donor allergy screening.

This case report describes a rare instance of dermographic urticaria triggered by an 810 nm diode laser for hair removal, with symptoms managed effectively by pre-treatment with levocetirizine.

This study systematically reviewed recent literature to demonstrate that Long COVID involves complex, multi-systemic symptoms, influenced by factors such as pre-existing conditions and vaccination status, complicating its diagnosis and treatment.

This article discusses the potential benefits of decade-wise Rasayana therapy in enhancing female reproductive health by addressing various life stages, from pre-menarche to post-menopause, and draws from traditional and contemporary sources to conceptualize its importance.

This study found that epithelial cell metabolism exhibits distinct heterogeneity based on cell density, particularly during the pre-epithelial transition stage where clusters of high and low mitochondrial potential cells emerge.

This study found that in mice, knockout of Rac1 and Rac3 in keratinocytes led to reduced white adipose tissue and revealed Rac-dependent paracrine pathways affecting pre-adipocyte differentiation.

This study found that early clinical markers of androgenic alopecia, such as peripilar signs and hair diameter diversity, are linked to inflammatory infiltrates and hair follicle miniaturization, while iron status is linked to hair loss in pre-menopausal women.

This study found that common side effects leading to premature removal of the Norplant contraceptive implant included uterine bleeding, amenorrhea, and headaches, suggesting the need for improved pre-insertion counseling and screening.

This study explored professionals' insights on eyebrow transplantation, finding that while the procedure can enhance appearance and confidence, it also carries risks such as potential complications and costs, emphasizing the need for thorough pre-operative consultations.

In this article, the authors describe how hair coloring in 2026 has transformed into a sophisticated, scientifically precise process involving advanced techniques, pre-treatment diagnostics, and careful chemical management for safe application.

This study conducted among sex workers in Kostanay reported a low HIV prevalence of 0.8% but a high syphilis rate of 15.6%, highlighting significant social risks and emphasizing the need to expand pre-exposure prophylaxis and prevention programs.