منابع مشابه
Dkk2/Frzb in the dermal papillae regulates feather regeneration.
Avian feathers have robust growth and regeneration capability. To evaluate the contribution of signaling molecules and pathways in these processes, we profiled gene expression in the feather follicle using an absolute quantification approach. We identified hundreds of genes that mark specific components of the feather follicle: the dermal papillae (DP) which controls feather regeneration and ax...
متن کاملEffect of 3D microstructure of dermal papillae on SED concentration at a mechanoreceptor location
The feeling of touch is an essential human sensation. Four types of mechanoreceptors (i.e., FA-I, SA-I, FA-II, and SA-II) in human skin signalize physical properties, such as shape, size, and texture, of an object that is touched and transmit the signal to the brain. Previous studies attempted to investigate the mechanical properties of skin microstructure and their effect on mechanoreceptors b...
متن کاملPolyclonal origin and hair induction ability of dermal papillae in neonatal and adult mouse back skin
Hair follicle development and growth are regulated by Wnt signalling and depend on interactions between epidermal cells and a population of fibroblasts at the base of the follicle, known as the dermal papilla (DP). DP cells have a distinct gene expression signature from non-DP dermal fibroblasts. However, their origins are largely unknown. By generating chimeric mice and performing skin reconst...
متن کاملTopically applied vitamin C increases the density of dermal papillae in aged human skin
BACKGROUND The influence of ageing on the density of the functional entities of the papillae containing nutritive capillaries, here in terms as the papillary index, and the effect of topically applied vitamin C were investigated by confocal laser scanning microscopy (CLSM) in vivo. METHODS The age dependency of the papillary index was determined by CLSM on 3 different age groups. Additionally...
متن کاملThe induction of hair follicle formation in the adult hooded rat by vibrissa dermal papillae.
Hair follicles are essentially composed of two tissues. The inner epidermal component, which gives rise to, among other products, the keratinized hair shaft, is confluent with the surface epidermis and is ensheathed by the dermal component which is confluent with the pars papillaris of the dermis. A specialization of the dermal component is the dermal papilla which, in follicles producing hair,...
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ژورنال
عنوان ژورنال: The Professional Medical Journal
سال: 2019
ISSN: 2071-7733,1024-8919
DOI: 10.29309/tpmj/2019.26.02.3081