Acta Biologica 42. (1991)

1-3. szám

Effect of stress on protein degradation: Role of the ubiquitin system. В. Raboy— G. Sharon—H. A. Paraq—Y. Shochat—R. G. Kulka ............................................................. 3 The role of protein ubiquitination in neurodegenerative disease. R. J. Mayer—J. Lowe— M. Landon—H. McDermott—L. Lászlú .......................................................................................... 21 Yeast ubiquitin-conjugating enzymes involved in selective protein degradation are essen­tial for cell viability. W. Seufert—S. Jentsch .............................................................. 27 A pathway of lysosomal proteolysis mediated by the 73-kilodalton heat shock cognate protein. S. R. Terlecky—T. S. Olson—3. F. Dice .............................................................. 39 The degradative fate of ubiquitin-protein conjugates in nucleated and enucleated cells. A. L. Watson—L. László—F. J. Doherty .................................................................................. A9 Mechanism and dynamics of macroautophagy in murine exocrine pancreatic cells. A review of vinblastine-induced changes. G. Réz—Erzsébet Feliinger—Olivia Oliva—Z. Pál­ija—J. Csák—L. László—A. L. Kovács—J. Kovács—Anna P. Kárpáti .............................. 57 Exploring the mechanism of in vivo regulation of liver protein breakdown in the rat by the use of the new antilipolytic-agent model. A, Del Roso—M. Bombara—V. Fierab­­racci—P. V. Fosella—Z. Gori—M. Masini— P. Masiello—P. V. Pollera—E. Bergamini 87 Time course of neutral red-induced autophagy in murine pancreatic acinar cells. A morpho­metrical and cytochemical study. Erzsébet Feliinger—M. Sztán— G. Réz .................... 101 The course of vinblastine-induced cellular autophagy in the murine pancreatic acinar cells in vivo. Different regression rates of the autophagic compartment caused by cycloheximide given different times after the Vinca alkaloid. A morphometric study. Olivia Oliva—G, Réz—Z. Pálfia—Erzsébet Feliinger ............................................ 119 Effect of different protein synthesis inhibitors on the exocrine pancreatocytic auto­phagocytosis in vivo. Olivia Oliva— Z. Pálfia—G. Réz ...................................................... 127 Occurrence and inhibition by cycloheximide of apoptosis in vinblastine-treated murine pancreas. A role for autophagy? G. Réz—Z. Pálfia—Erzsébet Feliinger ...................... 133 The fate and possible role of arylphorin during the metamorphosis of Mamestra brassicae. M. Sass—P. L6w—Zs. Móricz—Gy. Csikós—J. Kovács ............................................................ 1A1 Degradation of intracellular endogenous proteins following serum deprivation in mammalian cell cultures: Theoretical considerations of the role of very-fast turnover proteins in growth regulation. 0, N. Wheatley—Z. Yin .................................................... 161 Tissue-specific changes of multicatalytic proteinase activity in the fasted rat. L. Kuehn—B. Dahlmann—H. Reinauer.......................................................................................... 175 Regulation proteolytic enzyme activities in muscles practice and hypothesis. I■ Sohár • • ■ 183

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