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This study found that hair cortisol concentration is a promising stress indicator in cattle but not in pigs, where external factors and lower cortisol response may interfere with its validity.

This review discusses the potential of extracellular vesicles as cell-free tools in tissue engineering and regenerative medicine, noting their emerging role in promoting tissue repair without the risk of host rejection.

This study found that the peach gene CTG134 mediates auxin-ethylene crosstalk, affecting root hair growth and hormone-regulated processes in plants.

In this study, researchers found that specific miRNAs may regulate cashmere fiber traits in goats by targeting genes related to hair follicle activities, with significant expression differences between breeds.

This review highlights the potential of regenerative medicine therapies, such as biologics and emerging technologies, to significantly impact aesthetic and reconstructive procedures in plastic surgery and dermatology.

This study highlights that insulin resistance is a key pathological feature for individuals with PCOS, particularly those with obesity, affecting the response of specialized cells and leading to increased inflammation, regardless of Body Mass Index differences within the PCOS population.

This review synthesizes current advances in transcriptomics and RNA regulatory networks, alongside stem cell-derived skin organoid research, to propose a conceptual framework for understanding and potentially guiding regenerative skin repair, without claiming clinical readiness.

This review highlights the multifunctional role of exosomes in dermatology, noting their potential as therapeutic agents for conditions like skin cancers and hair disorders, while also indicating pathogens exploit them for immune evasion.

This study examined Prunus mira populations in the Qinghai-Tibetan Plateau and found high genetic diversity and substantial phylogeographic structure, suggesting geographic isolation limits gene flow; the researchers propose conservation strategies to preserve genetic resources.

Using synchrotron X-ray imaging, this study mapped the complex innervation of male rat vibrissa follicles, revealing distinct types of myelinated afferent neurons and patterns of axonal organization that may inform sensory processing in the brainstem.

This study established a novel in vivo "whisker follicle microinjection assay" using mouse whiskers to evaluate hair growth and pigmentation effects of various chemicals and proteins, identifying minoxidil, ruxolitinib, and RSPO1 as growth promoters, while deoxyarbutin inhibited pigmentation and Nbl1 emerged as a growth inhibitor.

This study reports the cloning and expression details of two new human type II keratins, K6irs3 and K6irs4, in the hair follicle's inner root sheath, suggesting a distinct functional role related to hair structure.

This study reports that human hair follicle stem cells express different surface markers than mouse stem cells, facilitating their isolation and potentially aiding in the development of cell-based skin treatments.

This study characterized a new human keratin, hK6irs1, specifically found in the inner root sheath of hair follicles, which suggests its role in the structural integrity and guidance of growing hair shafts.

This review discusses the mechanisms behind hair patterning during mouse embryonic development and reports no new experimental findings.

This review discusses the occurrence and impact of background histopathologic changes in nonhuman primate research, emphasizing the importance of understanding these factors to enhance study validity and interpretation.

This review outlines recent advances in stem cell and tissue engineering technologies in regenerative medicine and wildlife conservation, reporting no new clinical results.

This review discusses various potential risk factors and possible therapeutic interventions for polycystic ovary syndrome, including the modulation of gut microbiota, but reports no new findings.

This review discusses the role of the skin microbiome in maintaining health and modulating atopic dermatitis, emphasizing the need for novel therapeutic strategies, but reports no new clinical results.

This review discusses the shift in toxicity profiles of cancer therapies from traditional chemotherapy to targeted agents, noting similar overall toxicities but with different side effects, and reports no new findings.

This review discusses how dehydroepiandrosterone (DHEA) may exert its biological effects through multiple receptors and reports no new clinical results.

This study concluded that COVID-19 is a multisystem disease with both pulmonary and extrapulmonary manifestations, underscoring the importance of considering these symptoms for early diagnosis and infection control.

This review discusses the diverse roles of Frizzled proteins in developmental and homeostatic processes and reports no new experimental findings.

This review discusses the effects of IGF-1 on hair follicle cell proliferation and differentiation, highlighting its roles in paracrine signaling, apoptosis prevention, and hair growth, but reports no new clinical results.

This research found that variations in the KRTAP gene family are likely responsible for the diverse hair phenotypes seen among mammals, influenced by gene repertoire differences, expression, and evolutionary factors.

This review discusses the functions of SARS-CoV-2 non-structural proteins in facilitating immune evasion and highlights possible therapeutic strategies, reporting no new clinical results.

This review summarizes recent advancements in three-dimensional bioprinting technology and hydrogel bioinks, highlighting their applications in tissue engineering, but reports no new experimental results.

This review discusses the use of hair analysis for examining stress and reproduction hormone levels in wildlife and highlights the need for more comprehensive physiological validations across species.

This review assesses existing knowledge about the 17q21.31 inversion polymorphism, highlighting its genetic structure differences across ancestries, associations with various diseases, and implications for precision medicine and drug discovery.