Browsing by Subject "Fibroblasts"
Now showing items 1-19 of 19
-
Article
The A and B fragments of normal type I procollagen have a similar thermal stability to proteinase digestion but are selectively destabilized by structural mutations
(1987)Previous studies demonstrated that the thermal stability of the procollagen triple helix can be assayed by digesting the protein for short periods with high concentrations of trypsin and chymotrypsin. Here we cleaved human ...
-
Article
Atomic Force Microscopy Probing of Cancer Cells and Tumor Microenvironment Components
(2016)Cancer cells have different characteristics from normal cells in terms of morphology, cell–cell interactions, cytoskeleton organization, cell growth rates, and cell-extracellular matrix interactions. Although the clarification ...
-
Article
Causes, consequences, and remedies for growth-induced solid stress in murine and human tumors
(2012)The presence of growth-induced solid stresses in tumors has been suspected for some time, but these stresses were largely estimated using mathematical models. Solid stresses can deform the surrounding tissues and compress ...
-
Article
Defining the role of solid stress and matrix stiffness in cancer cell proliferation and metastasis
(2018)Solid tumors are characterized by an abnormal stroma that contributes to the development of biomechanical abnormalities in the tumor microenvironment. In particular, these abnormalities include an increase in matrix stiffness ...
-
Article
Direct conversion of mouse embryonic fibroblasts into functional keratinocytes through transient expression of pluripotency-related genes
(2016)The insufficient ability of specialized cells such as neurons, cardiac myocytes, and epidermal cells to regenerate after tissue damage poses a great challenge to treat devastating injuries and ailments. Recent studies ...
-
Doctoral Thesis Open Access
Elucidation of the effects of solid stress on fibroblasts and cancer cells behavior in solid tumors
(Πανεπιστήμιο Κύπρου, Πολυτεχνική Σχολή / University of Cyprus, Faculty of Engineering, 2019-04)Οι συμπαγείς καρκινικοί όγκοι αποτελούνται από καρκινικά και μη καρκινικά κύτταρα, όπως είναι οι ινοβλάστες και τα κύτταρα του ανοσοποιητικού συστήματος, από την εξωκυττάρια μήτρα η οποία είναι ένα πλέγμα από πρωτεΐνες και ...
-
Article
Evidence that a metabolilte of equine estrogens, 4-hydroxyequilenin, induces cellular transformation in vitro
(2001)Estrogen replacement therapy has been correlated with an increased risk of developing hormone-dependent cancers. 4-Hydroxyequilenin (4-OHEN) is a catechol metabolite of equilenin and equilin which are components of the ...
-
Article
FAK transduces extracellular forces that orient the mitotic spindle and control tissue morphogenesis
(2014)Spindle orientation is critical for proper morphogenesis of organs and tissues as well as for the maintenance of tissue morphology. Although significant progress has been made in understanding the mechanisms linking the ...
-
Article
Image-based multiscale modeling predicts tissue-level and network-level fiber reorganization in stretched cell-compacted collagen gels
(2009)The mechanical environment plays an important role in cell signaling and tissue homeostasis. Unraveling connections between externally applied loads and the cellular response is often confounded by extracellular matrix ...
-
Article
The Ink4/Arf locus is a barrier for iPS cell reprogramming
(2009)The mechanisms involved in the reprogramming of differentiated cells into induced pluripotent stem (iPS) cells by the three transcription factors Oct4 (also known as Pou5f1), Klf4 and Sox2 remain poorly understood. The ...
-
Article
KIF2β, a new kinesin superfamily protein in non-neuronal cells, is associated with lysosomes and may be implicated in their centrifugal translocation
(1998)Lysosomes concentrate juxtanuclearly in the region around the microtubule-organizing center by interaction with microtubules. Different experimental and physiological conditions can induce these organelles to move to the ...
-
Article
A p53-mediated DNA damage response limits reprogramming to ensure iPS cell genomic integrity
(2009)The reprogramming of differentiated cells to pluripotent cells (induced pluripotent stem (iPS) cells) is known to be an inefficient process. We recently reported that cells with short telomeres cannot be reprogrammed to ...
-
Article
Phenotypic heterogeneity in osteogenesis imperfecta: The mildly affected mother of a proband with a lethal variant has the same mutation substituting cysteine for α1-glycine 904 in a type I procollagen gene (COL1A1)
(1990)A proband with a lethal variant of osteogenesis imperfecta (OI) has been shown to have, in one allele in a gene for type I procollagen (COL1A1), a single base mutation that converted the codon for α1-glycine 904 to a codon ...
-
Article
Solid Stress Facilitates Fibroblasts Activation to Promote Pancreatic Cancer Cell Migration
(2018)Pancreatic fibroblasts are continuously gaining ground as an important component of tumor microenvironment that dynamically interact with cancer cells to promote tumor progression. In addition, these tumor-infiltrated ...
-
Article
Sonic-hedgehog pathway inhibition normalizes desmoplastic tumor microenvironment to improve chemo- and nanotherapy
(2017)Targeting the rich extracellular matrix of desmoplastic tumors has been successfully shown to normalize collagen and hyaluronan levels and re-engineer intratumoral mechanical forces, improving tumor perfusion and chemotherapy. ...
-
Article
The substitution of arginine for glycine 85 of the α1(I) procollagen chain results in mild osteogenesis imperfecta. The mutation provides direct evidence for three discrete domains of cooperative melting of intact type I collagen
(1991)We report a case of mild osteogenesis imperfecta in a 56-year-old male undergoing aortic valve replacement surgery. The primary defect in this patient was the substitution of arginine for glycine 85 in one of the two chains ...
-
Article
Substitution of cysteine for glycine-α1-691 in the proα1(I) chain of type I procollagen in a proband with lethal osteogenesis imperfecta destabilizes the triple helix at a site C-terminal to the substitution
(1991)Skin fibroblast from a proband with lethal osteogenesis imperfecta synthesized a type I procollagen containing a cysteine residue in the α1(I) helical domain. Assay of thermal stability of the triple helix by proteinase ...
-
Article
Substitution of serine for α1(I)-glycine 844 in a severe variant of osteogenesis imperfecta minimally destabilizes the triple helix of type I procollagen. The effects of glycine substitutions on thermal stability are either position or amino acid specific
(1989)Recent reports have demonstrated that a series of probands with severe osteogenesis imperfecta had single base mutations in one of the two structural genes for type I procollagen that substituted amino acids with bulkier ...
-
Article
Telomeres Acquire Embryonic Stem Cell Characteristics in Induced Pluripotent Stem Cells
(2009)Telomere shortening is associated with organismal aging. iPS cells have been recently derived from old patients