research Bone mineral density in hyperandrogenic amenorrhoea
Women with hyperandrogenic amenorrhea have similar bone density to healthy women but lower than androgenized women without amenorrhea, and high DHEAS levels might affect bone density.
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research Biologic Rhythms Derived from Siberian Mammoths' Hairs
Mammoth hair grew faster than human hair and showed seasonal changes in growth and mineral content.
research Osteocalcin levels evaluation of freeze-dried homologus platelet-rich plasma in periodontal treatment
Freeze-dried platelet-rich plasma boosts bone growth in gum treatment.
research Vitamin D and the Epidermis
Vitamin D is important for skin cell growth and health, and its active form and receptor play key roles in skin and hair processes.
research PA33 When bones speak through nails: insights from a paediatric case series
Nail abnormalities in children can indicate deeper health issues.
research Vitamin D-dependent rickets type II. Defective induction of 25-hydroxyvitamin D3-24-hydroxylase by 1,25-dihydroxyvitamin D3 in cultured skin fibroblasts.
Measuring 24-OHase induction helps identify defects in vitamin D processing and predict treatment response.
research Ear pinna growth and differentiation is conserved in murids and requires BMP signaling for chondrocyte proliferation
BMP5 is essential for ear cartilage cell growth in rodents.
research Conversion of the Nipple to Hair-Bearing Epithelia by Lowering Bone Morphogenetic Protein Pathway Activity at the Dermal-Epidermal Interface
Blocking a specific protein signal can make hair grow on mouse nipples.
research Faculty Opinions recommendation of Targeted skin overexpression of the mineralocorticoid receptor in mice causes epidermal atrophy, premature skin barrier formation, eye abnormalities, and alopecia.
Overexpression of a specific receptor in mice skin causes skin thinning, early skin barrier formation, eye issues, and hair loss.
research Structure and biochemistry of mammalian hard keratin
research Two siblings with a novel nonsense mutation, p.R50X, in the vitamin D receptor gene
A new gene mutation causes vitamin D-resistant rickets and hair loss in two siblings.
research Comparative characterization and osteogenic / adipogenic differentiation of mesenchymal stem cells derived from male rat hair follicles and bone marrow
Hair follicle stem cells are similar to bone marrow stem cells but are better for fat cell research.
research Type II Vitamin D Dependent Rickets: A Case Report
Hair loss can be a key sign of a rare type of rickets when vitamin D treatment doesn't work and advanced tests aren't available.
research Evidence for calcium soaps in human hair shaft revealed by sub-micrometer X-ray fluorescence
Calcium soaps are present in human hair and can be removed with acid.
research cDermo-1 misexpression induces dense dermis, feathers, and scales
cDermo-1 causes dense skin, feathers, and scales in chickens.
research Topographical and developmental studies on target sites of 1,25 (OH2) vitamin D3 in skin
Vitamin D3 affects cell differentiation in specific skin areas.
research Cortisol Enhances the Expression of mac25/Insulin-Like Growth Factor-Binding Protein-Related Protein-1 in Cultured Osteoblasts**This work was supported by NIDDK Grant DK-45227 and a scholarship (to R.C.P.) from Fundacao Coordenacao de Aperfeicoa mento de Pessoal de Nivel Superior (CAPES), Universidade de Sao Paulo (Sao Paulo, Brazil).
Cortisol increases a specific protein in bone cells, which may help explain its negative effects on bone.
research Distribution of keratin and associated proteins in the epidermis of monotreme, marsupial, and placental mammals
Monotreme and marsupial skin proteins show primitive features and species-specific differences compared to placental mammals.
research 1360 Regulation of bmp signalling in melanogenesis, pigment transfer and melanocyte migration
BMP signaling is important for skin color, affecting melanin production, pigment spread, and cell movement.
research Keratinization of sheath and calamus cells in developing and regenerating feathers
Feathers become harder as they develop due to a change in keratin type.
research The Story of the Finest Armor: Developmental Aspects of Reptile Skin
Reptile skin protects and prevents water loss, helping them adapt to land.
research [Changes in trace elements (zinc, copper and manganese) in the hair before and after severe fractures by proton-induced X-ray emission spectrometry (PIXE)].
research Impact of Hydroxyapatite on Gelatin/Oxidized Alginate 3D-Printed Cryogel Scaffolds
5% hydroxyapatite in scaffolds improves bone tissue formation and mechanical properties.
research Evidence for various calcium sites in human hair shaft revealed by sub-micrometer X-ray fluorescence
The research found two types of calcium in human hair, one that varies among individuals and another that is consistent across people.
research Ultrastructural localization of hair keratin homologs in the claw of the lizard Anolis carolinensis
Lizard claws have hair-like keratins similar to those in mammals.
research Skin shedding and tissue regeneration in African spiny mice (Acomys)
African spiny mice can regenerate skin, hair, and cartilage, but not muscle, and their unique abilities could be useful for regenerative medicine.
research The first observation of calcium oxalate accumulation in human hair
Calcium oxalate was found in human hair and could help detect certain health conditions.
research The Transient Role for Calcium and Vitamin D during the Developmental Hair Follicle Cycle
Vitamin D and calcium are essential for normal hair growth.
research Histological analysis of the impact of isotretinoin in the endochondral ossification in Wistar rats
Isotretinoin delays bone development in young rats.
research Spiny keratoderma ‐ a demonstration of hair keratin and hair type keratinization
Spiny keratoderma may be ectopic hair formation on palms and soles.