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Abstract
The effects of Werner's syndrome (WS) fibroblast-conditioned medium on cell proliferation
and collagen production of normal fibroblasts were studied using four WS fibroblast
strains. The conditioned medium from the WS fibroblasts brought about activation of
normal fibroblast proliferation, whereas, that from late passage normal fibroblasts
and fibroblasts from aged donors' skin did not. Collagen and non-collagenous protein
synthesis in normal fibroblasts were increased by the addition of conditioned medium
from the WS fibroblasts, but the relative rates of collagen synthesis and non-collagenous
protein synthesis were unaltered. These results suggest that activation of fibroblast
proliferation by conditioned medium is one of the characteristics of WS fibroblasts.
Keywords
Abbreviations:
DMEM (Dulbecco's modified Eagle's medium), FBS (fetal bovine serum), PBS (phosphate-buffered saline), PDL (population doubling level), WS (Werner's syndrome)To read this article in full you will need to make a payment
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References
- Werner's syndrome: A review of recent research with an analysis of connective tissue metabolism, growth control of cultured cells, and chromosomal aberrations.Hum Genet. 1982; 62: 1-15
- Collagen synthesis of cultured fibroblast from Werner's syndrome of premature aging.Experientia. 1978; 34: 1459-1460
- Werner's syndrome: Biochemical and cytogenetic studies.Arch Dermatol. 1985; 121: 636-641
- Werner's syndrome: Evidence for preferential regional expression of a generalized mesenchymal cell defect.Arch Dermatol. 1988; 124: 90-101
- Increased collagen synthesis accompanying elevated m-RNA levels in cultured Werner's syndrome fibroblasts.J Invest Dermatol. 1990; 94: 187-190
- The increase of glycosaminoglycans synthesis and accumulation on the cell surface of cultured skin fibroblasts in Werner's syndrome.Exp Pathol. 1981; 20: 221-229
- Alterations in synthesis of various connective tissue components in Werner's syndrome cultured dermal fibroblasts.Kawasaki Med J. 1987; 13: 111-116
- Werner's syndrome. A review of its symptomatology, natural history, pathologic features, genetics and relationship to the natural aging process.Medicine. 1966; 45: 177-221
- Replicative life-span of cultivated human cells: Effects of donor's age, tissue and genotype.Lab Invest. 1970; 23: 86-92
- Premature aging and occurrence of altered enzyme in Werner's syndrome fibroblasts.Nature. 1974; 248: 762-763
- Heat-labile enzymes in Werner's syndrome fibroblasts.Nature. 1975; 255: 159
- A retarded rate of DNA replication and normal level of DNA repair in Werner's syndrome fibroblasts in culture.J Cell Physiol. 1977; 92: 365-374
- The relationship between in vitro cellular aging and in vivo human age.in: Proc Natl Acad Sci USA. 73. 1976: 3584-3588
- Altered enzymes in aging human diploid fibroblasts.Nature. 1972; 238: 26-30
- Diminished response of Werner's syndrome fibroblasts to growth factors PDGF and FGF.Science. 1986; 234: 1240-1243
- Growth factor responsiveness of cultured human fibroblasts declines with age.J Gerontol. 1983; 38: 513-518
- Progressive loss of the proliferative response of senescing WI-38 cells to platelet derived growth factor, epidermal growth factor, insulin, transferrin, and dexamethasone.J Gerontol. 1984; 39: 11-17
- Decreased type VI collagen gene expression in cultured Werner's syndrome fibroblasts.J Invest Dermatol. 1993; 100: 771-774
- Use of a mixture of protease free collagenase for the specific assay of radioactive collagen in the presence of other proteins.Biochemistry. 1971; 10: 988-994
- Collagen biosynthesis during connective tissue development in chick embryo.Dev Biol. 1972; 28: 443-453
- A rapid and sensitive method for the quantitation of microgram quantities of protein utilizing the principle of protein-dye binding.Anal Biochem. 1976; 72: 248-254
- Glycosaminoglycans in morphogenesis.in: Hay ED Cell Biology of Extracellular Matrix. Plenum, New York, London1981: 259-293
- Regulation of collagen synthesis in fibroblasts within a three-dimensional collagen gel.Exp Cell Res. 1988; 178: 493-503
- An antiproliferative heparin sulfate species produced by postconfluent smooth muscle cells.J Cell Biol. 1985; 100: 1041-1049
- Hyaluronic acid modulates proliferation of mouse dermal fibroblasts in culture.J Cell Sci. 1988; 90: 265-273
Article info
Publication history
Accepted:
March 3,
1994
Received in revised form:
January 10,
1994
Received:
October 20,
1993
Identification
Copyright
© 1994 Published by Elsevier Inc.