An immediate depression of the rate of cell proliferation occurred upon addition of glucocorticosteroids to cultures of human skin fibroblasts in the early growth stages. A reduced sensitivity or even insensitivity of the fibroblasts to growth inhibition inhibition was found upon the addition of the
Effects of glucocorticosteroids on cultured human skin fibroblasts
✍ Scribed by Maria Ponec; Corry Haas; Johanna A. Kempenaar; Bernard N. Bachra
- Publisher
- Springer-Verlag
- Year
- 1979
- Tongue
- English
- Weight
- 446 KB
- Volume
- 266
- Category
- Article
- ISSN
- 0340-3696
No coin nor oath required. For personal study only.
✦ Synopsis
As previously found, the glucocorticosteroid clobetasol-17-propionate inhibits cell proliferation during the early growth stage of normal baby foreskin fibroblasts and collagen synthesis in confluent cultures of these cells. The degree of inhibition of cell proliferation decreases with increasing cell density and, moreover, is transient.
The anabolic steroids nandrolone and nandrolone-phenyl-propionate have similar effects on these cells. Likewise the magnitude of the inhibition is dosedependent.
When present together the two types of drug do not act in an additive manner. Even at low concentrations the anabolic steroids abolish the inhibitory effect of the glucocorticosteroid on cell proliferation. Furthermore, in this case only the inhibitory effect of the glucocorticosteroid on collagen synthesis is found and there is no further increase in this effect due to the presence of the anabolic steroids.
Our results imply that the use of low concentrations of anabolic steroids combined with glucocorticosteroids in topical application to the skin may abolish some of the undesirable side effects of the glucocorticosteroids.
📜 SIMILAR VOLUMES
Human diploid fibroblasts cultured in Dulbecco's Modified Eagle's medium (DME) were exposed to different concentrations of 15 antibiotics to determine the limiting toxic concentration. The number of cells surviving after antibiotic treatment was given as the index of toxicity. No visible chromosomal
## Abstract Employing standardized cell‐culture methods, 10 euploid and 22 constitutionally aneuploid human skin fibroblast strains were assessed in triplicate for total growth potential, growth rates, population‐doubling times, and cloning. In addition, longitudinal growth rate studies were carrie
## Abstract The regulation of hexose transport under glucose‐starvation conditions was studied in cultured human skin fibroblasts. Glucose starvation enhanced the transport of 2‐DG and 3‐O‐methyl‐D‐glucose (3‐OMG) but not of L‐glucose. Glucose‐starvation enhanced transport was inhibited by cytochal