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The authors suggest that tooth, dermal scale, epidermal scale, feather, and hair evolved in parallel from a shared placode/dermal cell unit in an early vertebrate gnathostome with odontodes, around 420 million years ago.

This study found that cultured outer root sheath cells from human hair follicles expressed a keratin profile similar to their in vivo environment, indicating environmental influence on keratin expression.

This study found that low oxygen conditions and ECM degradation products increased the proliferation and migration of perivascular stem cells without altering their phenotype, suggesting potential roles in tissue repair.

In this experimental study, the researchers observed that Platycladus orientalis leaf extract promoted hair growth by enhancing dermal papilla cell proliferation and increasing growth factor expression, particularly through ACK1 activation and modulation of Wnt/β-catenin signaling pathways in cultured human cells and a 12-week topical application.

The researchers observed that in cichlid fishes with different dental structures, tooth replacement accelerated more than three times following tooth extraction, alongside distinct changes in gene expression and cellular interactions over one week, providing insights into tooth regeneration mechanisms in vertebrates.

This article discusses the crucial role of root hairs in water and nutrient uptake from soil and reports no new findings.

This case study reports a peculiar variant of an epidermal cyst in a patient, featuring unique characteristics like brownish, lumpy contents resembling bone marrow.

In this study, Ishige sinicola extract was observed to improve bone density and structure in an animal model of estrogen deficiency-induced osteoporosis, suggesting its potential as a therapeutic option for postmenopausal osteoporosis by inhibiting osteoclast formation without cytotoxic effects.

This study reports that in a rat model of myocardial infarction, Zn-Cu ion sequential therapy improved cardiac function and cardiomyocyte metabolic activity by precisely regulating ion concentrations and maintaining elevated levels of the Per2 protein, important for cellular repair.

In this study, the researchers found that optic atrophy 1 (OPA1) is involved in the transition between filamentous and rounded mitochondria in hair follicle dermal papilla cells, potentially influencing cellular energy dynamics.

This study found that exposure to certain elements during pregnancy, measured in maternal hair, was associated with increased risk of gestational diabetes and potential impacts on infant neurodevelopment, with elements like Ta, Re, and Se posing the highest risk for gestational diabetes.

This study concluded that thyroid atrophy, alopecia, and hyperkeratosis in sheep are associated with deficiencies in selenium and zinc in serum and liver.

In this study, researchers identified distinct chromatin regions and regulatory elements that drive keratinocyte-specific gene expression, highlighting complex enhancer modules influencing skin epithelium through a combination of transcriptional activators and repressors.

The algae grew better and fixed nitrogen more efficiently when they worked together, using nitrogen and iron.

In this study, reduced serum levels of iron, copper, and calcium were associated with premature graying of hair, suggesting that supplementation might help, but more research is needed to fully understand the relationship.

This study found that a novel bioceramic/alginate hydrogel with photothermal properties and multiple ion release effectively reduces infection and inflammation, and enhances osseointegration in early-stage peri-implant lesions, potentially improving dental implant survival rates.

In this case study, researchers describe a rare instance of pilomatricoma with ossification in a 32-year-old woman, highlighting specific histopathological features and the role of bone morphogenic proteins and macrophages in its development.

In this study, researchers found that hydrogel scaffolds loaded with Runx2-overexpressing BMSCs significantly enhanced bone regeneration and osteogenic differentiation, offering new insights into treating large bone defects.

This study found that Orthosiphon stamineus extract significantly stimulated dermal papilla cell proliferation and enhanced hair growth in an ex vivo model of androgenic alopecia compared to vehicle-treated controls.

This study successfully isolated LGR6+ epithelial stem cells from rats and demonstrated their multipotency, suggesting potential for fracture healing research.

This case study reports on a rare form of vitamin D resistant rickets in a 37-year-old male, highlighting the condition's clinical features and the necessity for a thorough understanding of calcium and vitamin D metabolism in the diagnosis and management of metabolic bone diseases.

This study found that serum bone metabolic markers with mild changes are interdependently related to traditional Chinese medicine syndromes in patients with chronic kidney disease-related bone disorders.

This study found that elevated epidermal ODC activity in transgenic mice promotes skin tumor development by recruiting bulge stem cells, rather than through reactive oxygen species generation by polyamine catabolic oxidases.

This study found that mild skin injuries in rats, especially those dosed with dihydrotachysterol, lead to mineral deposits in hair follicle tissue within 6-12 hours, as confirmed by chemical and X-ray diffraction analyses.

This study found that triiodothyronine and epidermal growth factor differentially affected craniofacial development in neonatal rats, with various impacts on hair growth direction, incisor eruption, and ear and eyelid development.

In this study, researchers highlight the importance of correcting selenium and zinc deficiencies as part of a comprehensive management strategy for patients with autoimmune thyroiditis complicated by alopecia, as these elements play key roles in thyroid hormone biosynthesis and hair follicle function.

This study found that administering lower doses of sodium pentaborate pentahydrate increased hair growth in rats via specific molecular pathways, while a higher dose suppressed these pathways and impaired hair growth.

This article reviews the role of vitamin D and its metabolites in regulating calcium homeostasis and highlights their effects on the intestine, kidney, bone, and parathyroid gland, without reporting new clinical results.