نتایج جستجو برای: human dermal fibroblast cells
تعداد نتایج: 2644616 فیلتر نتایج به سال:
Hamartomas are composed of cells native to an organ but abnormal in number, arrangement or maturity. In the tuberous sclerosis complex (TSC), hamartomas develop in multiple organs because of mutations in TSC1 or TSC2. Here we show that TSC2-null fibroblast-like cells grown from human TSC skin hamartomas induced normal human keratinocytes to form hair follicles and stimulated hamartomatous chang...
Background: Dermal fibroblast is a powerful tool for the study of ex vivo DNA delivery in development of both cell therapy and tissue engineering products. Using genetic modification, fibroblasts can be diversely adapted and made suitable for clinical gene therapy. In this study, we first compared several non-viral transfection methods including nucleofection in rat and human primary dermal fib...
Acute wound healing in the skin involves the communication of multiple cell types to coordinate keratinocyte and fibroblast proliferation and migration for epidermal and dermal repair. Many studies have focused on the interplay between hematopoietic cells, keratinocytes and fibroblasts during skin wound healing, yet the possible roles for other cell types within the skin, such as intradermal ad...
Background & Aims: Induced pluripotent stem cells (iPSCs) have the capability to undergo unlimited selfrenewal and differentiation into all cell types in the body. These cells are artificially derived from a nonpluripotent cell, typically human dermal fibroblasts (HDFs). The study of cytogenetic stability of these cells, in order to use iPS cells and apply studies in therapeutic applications, i...
Skin fibrosis, a common scarring condition that currently has no curative treatments, is caused by persistent activation of fibroblasts after tissue injury or inflammation results in excessive connective deposition, leading to severe disability, organ malfunction and increased morbidity. This study aims uncover the early advanced changes different fibroblast subsets molecular pathways are integ...
background: norepinephrine plays a trophic role in the control of cell replication and differentiation in target cells that express adrenergic receptors. methods: in this study, we have tested the influence of infraphysiological, physiological and supraphysiological concentrations (0.0001 nm, 1 nm, 10000 nm) of human norepinephrine on the proliferation of breast cancer cells (human breast adeno...
Human diploid fibroblast cells produce a spectrum of necessary growth factors and extracellular matrix (ECM) components essential for growth and proliferation of a variety of other cell types. In this study, the effect of five human embryonic fibroblast cell lines, isolated from liver, lung, skin and foreskin tissues, was investigated. A coculture system analyse was employed to cloning efficien...
Angiostatin is an endogenous inhibitor of angiogenesis that was isolated from tumor-bearing mice. It has been established that angiostatin inhibits endothelial cell proliferation; however, the underlying mechanisms remain to be elucidated. Here we report that angiostatin reduces transiently the phosphorylation of the mitogen-activated protein kinases ERK-1 and ERK-2 in human dermal microvascula...
Dermal fibroblasts play a key role in maintaining homoeostasis and functionality of the skin. Their contractility plays changes observed during ageing, especially processes such as wound healing, inflammation, wrinkling scar tissue formation well structural on extracellular matrix. Although alternations skin physiology morphology have been previously described, there remains paucity information...
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