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46 results on '"Grossman, Albert"'

6. LETTERS.

Author

HERRERO, RALPH, GROSSMAN, ALBERT M., BELL, JANET, WINTERBOTHAM, RUSS, HEYN, HERMAN M., MALES, ROSENBERG, NOLA, ANTHONY, MARJORIE, BARCLAY, W. M., DUCKWORTH, I. H., SZALATKAY, L., TUCKER, RAYMOND A., SLEDGE, L. W., LESTER, GARNER M., HARMER, E. W., HOOVER, J. EDGAR, PRICE, JOHN, BOOTH, WAYNE C., ROWE JR., H. S., and HAMMER, EDWIN

Subjects
REPRESENTATIVE government, SPACE exploration
Published
1958

9. Characterization of an Endoribonuclease in Rat-Liver Nucleoli.

Author

Boctor, Amal, Grossman, Albert, and Szer, Wlodzimierz

Subjects
*RIBONUCLEASES, *ENZYMES, *RATS
Abstract

Synthetic RNAs, i.e. [SUP3]H] and [[SUP14]C]poly(A), and natural RNAs, i.e, 16-8 and 23-S Escherichia coli ribosomal [[SUP14]C]RNA and MS2 coliphage [[SUP3]H]RNA, were incompletely hydrolyzed by a rat liver nucleolar enzyme as measured by solubilization of radioactivity following ethanol precipitation. Sucrose density gradient analysis of these RNA substrates following incubation with isolated rat liver nucleoli at 36 °C for 15 min demonstrated extensive shifts in their sedimentation coefficients. These data were taken as evidence that the nucleolar enzyme is an endoribonuclease. The enzyme has been solubilized and partially purified. The enzyme has no effect on intact double-stranded reovirus RNA. It cleaves 45-S HeLa precursor rRNA through a series of intermediate fragments of decreasing size to limit 4-S end products. Among other characteristics, this nueleolar endofibonuclease prefers single to multi-stranded RNA and is inhibited by DNAase. [ABSTRACT FROM AUTHOR]

Published
1974
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11. D-Glucose Suppression of Tyrosine Aminotransferase in Rat-Hepatoma Cells Grown in Culture.

Author

Mendelson, David, Grossman, Albert, and Boctor, Amal

Subjects
*TYROSINE, *AMINOTRANSFERASES, *TRANSFERASES, *LIVER cells, *CELL culture, *GLUCOSE
Abstract

A D-glucose-free medium containing excess L-tyrosine was tested for its capacity to induce tyrosine aminotransferase in rate hepatoma cells (Reuber H-35). Approximately 2 x 107 cells, previously grown in Dulbecco modified Eagle medium were transferred to a similar medium which lacked D-glucose and contained excess L-tyrosine. Between 48 and 72 h later a sharp rise in tyrosine-aminotransferase activity occurred. Addition of D-glucose at 48 h completely suppressed this increase while L-glucose had no effect. Conversely, cultures incubated in media containing excess L-tyrosine in the presence of normal concentrations of D-glucose were not induced. After 48 h, however, changing from this medium to one which lacked D-glucose caused a sharp rise in tyrosine-aminotransferase activity within the next 24 h. The increase in enzyme activity in the absence of D-glucose was prevented by actinomycin-D and cycloheximide. It is unlikely that the absence of an energy-yielding substrate (D-glucose) caused enzyme induction since replacement of D-glucose with 2-deoxyglucose also suppressed tyrosine aminotransferase. Other compounds such as mannitol, lactose, and N-acetylglucosamine also suppressed synthesis of this enzyme. The data presented suggest that D-glucose suppresses synthesis by an action initiated at the cell surface. [ABSTRACT FROM AUTHOR]

Published
1971
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12. Specific Binding of 3H-Estradiol to the Cytosol of Rat Pancreas and Uterus: Bound Sites In Pancreatic Extracts Do Not Translocate 3H-Estradiol to Nuclei Suggesting A Basic Difference In Mode of Action

Author

Boctor, Amal, Band, Philip, and Grossman, Albert

Abstract

In parallel sets of experiments, cytosol fractions from rat pancreas and uterus were incubated with 2 nM 3H-estradiol in the presence or absence of nuclei from pancreas and liver. After incubation for 1 hr at room temperature, the nuclei were removed by centrifugation and specific binding determined in the cytosol fractions as well as in the separated nuclei. The protein that binds 3H-estradiol in uterine extracts translocated the hormone to nuclei of pancreas and liver while the one in pancreas was devoid of this activity. It is presumed, therefore, that modification of trancription is not a primary action of the steroid-bound complex in pancreas.

Published
1982
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13. LETTERS.

Author

ELVIN, LEWIS, TWINING, M. B., FRANKEL, STANLEY A., OVERILL, CHARLES, GROSSMAN, ALBERT M., HAND, BARBARA J., McNABB, TALMADGE F., HANSEN, DOROTHY, SLOBODKIN, LOUIS, SULLIVAN, B. M., McCARL, ROBERT, BRONFEN, S. ROBERT, MARLOWE, CHARLES GRANT, DOESCHER, CHARLES, WHITNEY, ELIZABETH D., HIGGINS, JOHN S., HAETTENSCHWILLER, EVELYN, MÉJAN, FRANÇOIS, CASEY, RAYMOND J., and GADLIN, HOWARD

Subjects
LETTERS to the editor, SUMMIT meetings, PEOPLE with alcoholism, WORLD War II
Abstract

Several letters to the editor are presented in response to articles in previous issues including "Break Up the Joint Chiefs" in the December 23, 1957 issue, "Summit Simmer" in the December 30, 1957 issue, and one on the problem drinker in the December 23, 1957 issue.

Published
1958

14. LETTERS.

Author

PATTISON, RUTHE H., GROSSMAN, ALBERT M., LANGERMAN, HAROLD A., SCOTT, DEVALLON, REEVES JR., DELAS, MOLL, VIRGINIA W., PENNEY, M. L., LEMIEUX, IRENE, WELDON, EDWIN C., NICHOLAS, W. D., MARVIN, E., FAULKNER, WILLIAM, PERTWEE, J. W., WILLIS, CARROLL, VAN VOORHIES, ROUSSEAU, ZIMMERMAN, BASIL, TUCKER, BILL, ROGERS, CEDRIC, FAULKNER, ALEX, and HATTON, DOROTHY

Subjects
EISENHOWER doctrine
Published
1957

46. Don't Look Back (1967)

Author

Leacock Pennebaker, Inc., production company., Pennebaker, D. A., director., Grossman, Albert, producer., Court, John, producer., (1925), D. A. Pennebaker, director, Court, John, producer, (1926), Albert Grossman, producer, (1941), Bob Dylan, performer, (1926), Albert Grossman, performer, and (1939), Bob Neuwirth, performer

Published
1967

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