Analysis of the growth requirements of Epstein-Barr virus (EBV)-transformed B lymphocytes shows that interleukin 1 and thioredoxin, a disulfide reducing enzyme, are able to induce a marked increase in DNA synthesis in the early phases of in vitro culture. By contrast, interleukin 6 induces a steady increase in DNA synthesis comparable to that observed with crude conditioned supernatant. Furthermore, EBV-transformed B cells exhibit a density-dependent responsiveness to autocrine growth factors, thus suggesting that growth regulation of EBV-transformed B cells might result from the interplay between different self-stimulating soluble factors and from the competence of the cells to respond to autocrine growth factors.

DENSITY-DEPENDENT RESPONSIVENESS TO AUTOCRINE GROWTH-FACTORS OF EPSTEIN-BARR-VIRUS TRANSFORMED HUMAN LYMPHOCYTES-B

GARZELLI, CARLO;
1992-01-01

Abstract

Analysis of the growth requirements of Epstein-Barr virus (EBV)-transformed B lymphocytes shows that interleukin 1 and thioredoxin, a disulfide reducing enzyme, are able to induce a marked increase in DNA synthesis in the early phases of in vitro culture. By contrast, interleukin 6 induces a steady increase in DNA synthesis comparable to that observed with crude conditioned supernatant. Furthermore, EBV-transformed B cells exhibit a density-dependent responsiveness to autocrine growth factors, thus suggesting that growth regulation of EBV-transformed B cells might result from the interplay between different self-stimulating soluble factors and from the competence of the cells to respond to autocrine growth factors.
1992
Garzelli, Carlo; Bazzichi, A; Dayah, Am; Manunta, M; Incaprera, M.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11568/16592
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