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This study found that treating rat whisker follicle stem cells with retinoic acid and epidermal growth factor induced them to express synaptophysin, a marker of mature neurons, although there was a reduction in other neural markers, suggesting potential for neuro-regeneration applications.

In this study, melatonin administration enhanced various cellular and structural features of the scrotal skin in Soay rams, including increased thickness, cell count, and gland activity.

Merkel cells likely attract sensory nerve fibers.

In this research, investigators used in vitro models to study the Merkel cell-neurite complex and reported that mechanical stimulation, similar to gentle touch, can induce molecular changes that are potentially relevant to hair growth, thus contributing to the understanding of its underlying mechanisms.

This study found that SK2 channels in sensory terminals of rat muscle spindles and hair follicles may play a crucial role in modulating mechanosensory transduction by influencing receptor potentials through Ca2+-activated K+ currents.

This case report describes a functional adrenocortical oncocytoma that co-secreted testosterone and cortisol.

In this study, transplantation of hair follicle stem cells and nerve growth factor-modified stem cells significantly reduced amyloid deposition and tau hyperphosphorylation in an Alzheimer's disease rat model, suggesting potential as a treatment option.

A rare pancreatic tumor caused a woman's male-like features, treated successfully with surgery and medication.

This case report describes an isolated DHEA-S secreting adrenocortical carcinoma in a 52-year-old woman who presented without typical hyperandrogenic symptoms.

In this study, researchers found that syntaxin 9, a novel syntaxin family member, interacts specifically with the epidermal growth factor receptor and may influence its transport and signaling in some epithelial cells.

This study observed that quiescent label-retaining cells in the intestine, identified by Paneth cell markers, can switch to a proliferative state and activate Bmi1 expression during tissue injury, contributing to tissue regeneration.

This study found that sympathetic nerves and arrector pili muscles form a niche that modulates hair follicle stem cell activity, revealing their role in hair follicle regeneration.

This article discusses Kennedy's disease, detailing its genetic cause, symptoms, and diagnostic criteria, but reports no new clinical findings and highlights a lack of causal therapy.

In this study, mice exposed to prolonged space conditions demonstrated skin atrophy, altered hair follicle cycles, and significant changes in the gene expression associated with skin muscle health.

Kennedy's disease leads to muscle weakness without a cure, but exercise and managing symptoms may help patients live a normal lifespan.

This study reported the successful isolation of epithelial stem cells from mouse embryonic skin using a simple culture method, with the cells showing the potential to differentiate into multiple cell types.

This review discusses the potential mechanisms of platelet-rich plasma in facial rejuvenation and reports no new clinical results, indicating a theoretical basis for its use in tissue regeneration.

This study found that dutasteride reduced β-amyloid plaque load in a cerebral amyloidosis model, seemingly linked to mitochondrial apoptosis and autophagy processes.

This study concluded that hair-derived stem cells from older donors may offer a promising alternative for autologous corneal endothelial replacement, potentially benefitting patients of various age groups.

This article discusses the kinetic and topographical heterogeneity in follicular thyroid neoplasms and reports no new research findings; the authors emphasize understanding diverse growth patterns.

This case report describes a testosterone- and cortisol-secreting adrenocortical oncocytoma causing hirsutism in a 23-year-old woman, highlighting adrenal oncocytomas as an important consideration for differential diagnosis.

This study observed that deleting PTEN in mouse facial motoneurons enhanced peripheral axon regeneration but also led to physiological changes and potential hyperplasia in older mice.

In this study, remote photobiomodulation therapy to the lungs improved behavioral and neurological outcomes in rats with repeated closed-head injuries, suggesting potential preventive benefits for brain health.

This review compiles current experimental research on Alzheimer's and cognitive impairment models, highlighting the potential of *Polygonum multiflorum* for treating neurological disorders and suggesting a foundation for future clinical trials.

This report presents a case of functioning adrenocortical oncocytoma in a 9-year-old girl with virilization symptoms, successfully treated with laparoscopic surgery.

This case report describes a 45-year-old woman with persistent fatigue and confusion following hypertension treatment, who developed pulmonary embolism four weeks later.

This article reviews the types and characteristics of adrenal cortex tumors, including their hormone secretion and detection as incidental findings, but presents no new research results.

This overview examines the biology, origin, structure, and function of various cells and structures, such as the blood-retinal barrier and Merkel cells, and discusses their roles in disease pathogenesis, along with recent findings related to the lymph nodes' paracortex.

This review discusses the potential of umbilical cord blood and umbilical cord-derived stem cells in treating various chronic diseases by highlighting their regenerative abilities and ethical advantages as well as the translational challenges and clinical implications.

This review discusses the isolation, characterization, and potential clinical applications of tissue-derived extracellular vesicles in cancer diagnosis, prognosis, and treatment, noting their significance but highlighting the risks and need for appropriate protocols.