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This document serves as a resource for pediatricians and primary care providers to guide gender-affirming health care for transgender and gender-diverse youth, including potential medical transition options.

This study found that in adolescents with excess weight and obesity, vitamin D levels are inversely correlated with leptin and positively correlated with adiponectin, influencing metabolic exchange criteria.

A balanced diet with key nutrients and possible supplements can help manage post-COVID-19 symptoms.

This study found that sleep disorders, especially poor sleep quality, are common in women with PCOS, suggesting the need for regular screening using specific questionnaires.

This study found that high TSPEAR expression in colorectal cancer was associated with poor prognosis and correlated with various tumor and immune-related factors.

This study found that elevated TSPEAR expression in colorectal cancer was associated with poor overall prognosis and correlated with tumor infiltrating immune cells, suggesting its potential as a predictive biomarker.

This study found that prolonged administration of DHEA improved long-term memory and brain activity balance in old rhesus macaques, with effects like increased motor activity and restored hair lasting a year.

This chapter reviews studies on the side effects of cytostatics and immunosuppressive drugs, detailing various toxicities such as cardiovascular, pulmonary, and neurotoxicity, but provides no new clinical results.

This article discusses ovarian steroid cell tumors, which can produce testosterone and manifest symptoms like hirsutism, emphasizing surgery as the primary treatment, but reports no new clinical findings.

This article suggests that male pattern hair loss might have historically served as an evolutionary signal for women to choose younger male partners, potentially improving population fitness.

This review outlines the current state and future prospects of using layer-by-layer self-assembly for cell encapsulation in biomedical applications, such as cell-based biosensors, transplantation, and tissue engineering, while also discussing its limitations and potential advancements.

This study revealed that during avian skin development, complex tissue architecture results from specific cellular flows and mechanical processes that guide feather bud protrusion and elongation, with distinct differences noted in scale development, where rigidity restricts such transformations.

This research found that feather pattern formation in birds is regulated by a mechanochemical system involving fibroblast growth factor and bone morphogenetic protein signaling, which is altered in the flightless emu and ostrich.

This review discusses mealworm farming as a sustainable, low-cost, and environmentally friendly method for producing high-quality poultry and fish feed, but it does not report new results.

This study demonstrated how cellular flows and tissue mechanics guide the topological transformations in avian skin, essential for feather follicle development from scales.

In this study, the inclusion of a feedstuff high in energy along with soybean meal enhanced body condition, body mass index, and reproductive performance in sheep fed low-protein forage.

In this study on Drosophila embryos, researchers observed that the Slit/Robo signaling pathway is crucial for the collective migration and proper positioning of Posterior Signaling Center cells within the hematopoietic niche, highlighting its role in niche assembly and cellular organization.

This study found that injecting L- or DL-Methionine into chick embryos increased feather growth and follicle development by activating the Wnt/β-catenin signaling pathway, with no difference between the two methionine forms.

This review summarizes the research on bioactive materials that modulate the skin microenvironment to promote wound healing and highlights the essential role of the fascial layer, without presenting new experimental results.

This study developed a bioengineering method to reconstruct embryonic dorsal skin from dissociated chick skin cells, allowing feather buds to form and grow in vitro, influenced by epithelial-mesenchymal interactions.

This study found that FGF signaling is necessary for the initiation of feather placode development in chicken embryos, with FGF10 being implicated as an early dermal signal in the process.

This study identified key genes involved in feather follicle development in Wannan chickens, finding that genes such as LAMC2, COL6A3, and WNT7A are crucial in the regulation processes, potentially aiding molecular breeding programs for improved carcass appearance traits.

This study observed that the glassy layer of hair follicles in guinea pigs consists of thick collagen-type fibrils organized into two distinct arrays, whereas in young mice, the fibrils are thinner and develop between the outer root sheath and fibroblasts.

The researchers reported that scaffoldin, a protein identified in chicken embryos, likely plays a role in forming periderm granules and contributes to the soft cornification of embryonic epidermis.

In this study, the combination of keratin-gelatin from poultry feathers promoted early acceptance and viability of full-thickness skin mesh grafts in experimental dogs compared to other treatments.

This study found that hair follicle matrix progenitors differentiate into various layers asynchronously, with early progenitors forming the companion layer and later progenitors generating the inner root sheath and hair shaft.

In this study, researchers observed that fasting-induced molting in laying hens led to increased thyroid hormones, which may regulate feather molting by affecting hair follicle growth through specific signaling pathways, highlighting molecular changes during induced molting.

Early-stage skin substitutes improve wound healing and skin structure.

This review summarizes current research on molecular pathways, such as Wnt and Notch, that regulate feather follicle development in yellow-feathered broilers, highlighting their potential impact on poultry carcass quality and suggesting areas for future study.

This study on feather pattern formation in chicken skin found that inhibiting gap junctional intercellular communication can lead to the emergence of new feather buds in specific spatial patterns, suggesting that GJIC may facilitate Turing-type periodic patterning by propagating inhibitory signals over long distances.