Effect of human growth hormone on human pancreatic carcinoma growth, protein, and cell cycle kinetics. 1996

L E Harrison, and D Blumberg, and R Berman, and B Ng, and S Hochwald, and M F Brennan, and M Burt
Surgical Metabolism Laboratory, Memorial Sloan-Kettering Cancer Center, New York, New York 10021, USA.

The role of human growth hormone (hGH) as a nutritional adjunct for cancer patients is controversial because of its potential mitogenic effects on tumor growth. No studies to date have examined the effect of hGH on human tumor response in vivo. In Vitro: Athymic mice were injected (s.c.) daily with hGH (GH, n=14) or saline (CTL, n=14). On Day 10, serum was collected and added to human pancreatic carcinoma cells in culture. In Vivo: Athymic mice were inoculated (s.c.) with human pancreatic carcinoma cells. On Day 14, mice were randomized to receive daily either hGH (GH, n=14) or saline (CTL, n=12). On Day 29, animals received [3H]phenylalanine for tissue protein fractional synthetic rate (FSR) measurement. Tumors were excised and cell cycle kinetics analyzed. Data are expressed as mean +/- SEM. Statistical analysis was performed by unpaired t test and/or ANOVA where appropriate. In Vitro: Serum from GH-treated animals had elevated IGF-1 levels (287 +/- 34 ng/ml vs 157 +/- 53 ng/ml, P<0.001) and significantly stimulated cell growth (No. cells x 10(3)/well) compared with CTL serum (925 +/- 31 vs 747 +/- 38, P<0.001). In Vivo: Serum for GH-treated animals had elevated IGF-1 levels (287 +/- 34 ng/ml vs 157 +/- 53 ng/ml, P<0.001) and significantly stimulated cell growth (No. cells x 10(3)/well) compared with CTL serum (925 +/- 31 vs 747 +/- 38, P<0.001). In Vivo: Growth hormone had no significant effect on tumor growth rate (mm3/day) (1.45 +/- 0.47 CTL vs 1.57 +/- 0.66 GH), final tumor weight (mg) (0.19 +/- 0.15 CTL vs 0.17+/- 0.06 GH), DNA Index (1.5 +/- 0.1 CTL vs 1.5 +/- 0.1 GH), percent S phase (20.3 +/- 3.3 CTL vs 22.1 +/- 3.0 GH), or tumor FSR (%/day) (51.1 +/- 17.8 CTL vs 70.2 +/- 61.1 GH). Growth hormone significantly elevated serum IGF-1 levels (ng/ml) (176 +/- 48 CTL vs 222 +/- 53 GH, P<0.005) and liver FSR (%/day) (62.8 +/- 17.8 CTL vs 79.7 +/- 12.7 GH, P<0.005). Serum of GH-treated mice increased human pancreatic cell growth in vitro. In vivo, GH administration raised serum IGF-1 levels and increased liver protein FSR, without tumor growth, cell cycle kinetics, or protein FSR.

UI MeSH Term Description Entries
D007334 Insulin-Like Growth Factor I A well-characterized basic peptide believed to be secreted by the liver and to circulate in the blood. It has growth-regulating, insulin-like, and mitogenic activities. This growth factor has a major, but not absolute, dependence on GROWTH HORMONE. It is believed to be mainly active in adults in contrast to INSULIN-LIKE GROWTH FACTOR II, which is a major fetal growth factor. IGF-I,Somatomedin C,IGF-1,IGF-I-SmC,Insulin Like Growth Factor I,Insulin-Like Somatomedin Peptide I,Insulin Like Somatomedin Peptide I
D008807 Mice, Inbred BALB C An inbred strain of mouse that is widely used in IMMUNOLOGY studies and cancer research. BALB C Mice, Inbred,BALB C Mouse, Inbred,Inbred BALB C Mice,Inbred BALB C Mouse,Mice, BALB C,Mouse, BALB C,Mouse, Inbred BALB C,BALB C Mice,BALB C Mouse
D008819 Mice, Nude Mutant mice homozygous for the recessive gene "nude" which fail to develop a thymus. They are useful in tumor studies and studies on immune responses. Athymic Mice,Mice, Athymic,Nude Mice,Mouse, Athymic,Mouse, Nude,Athymic Mouse,Nude Mouse
D010190 Pancreatic Neoplasms Tumors or cancer of the PANCREAS. Depending on the types of ISLET CELLS present in the tumors, various hormones can be secreted: GLUCAGON from PANCREATIC ALPHA CELLS; INSULIN from PANCREATIC BETA CELLS; and SOMATOSTATIN from the SOMATOSTATIN-SECRETING CELLS. Most are malignant except the insulin-producing tumors (INSULINOMA). Cancer of Pancreas,Pancreatic Cancer,Cancer of the Pancreas,Neoplasms, Pancreatic,Pancreas Cancer,Pancreas Neoplasms,Pancreatic Acinar Carcinoma,Pancreatic Carcinoma,Acinar Carcinoma, Pancreatic,Acinar Carcinomas, Pancreatic,Cancer, Pancreas,Cancer, Pancreatic,Cancers, Pancreas,Cancers, Pancreatic,Carcinoma, Pancreatic,Carcinoma, Pancreatic Acinar,Carcinomas, Pancreatic,Carcinomas, Pancreatic Acinar,Neoplasm, Pancreas,Neoplasm, Pancreatic,Neoplasms, Pancreas,Pancreas Cancers,Pancreas Neoplasm,Pancreatic Acinar Carcinomas,Pancreatic Cancers,Pancreatic Carcinomas,Pancreatic Neoplasm
D002453 Cell Cycle The complex series of phenomena, occurring between the end of one CELL DIVISION and the end of the next, by which cellular material is duplicated and then divided between two daughter cells. The cell cycle includes INTERPHASE, which includes G0 PHASE; G1 PHASE; S PHASE; and G2 PHASE, and CELL DIVISION PHASE. Cell Division Cycle,Cell Cycles,Cell Division Cycles,Cycle, Cell,Cycle, Cell Division,Cycles, Cell,Cycles, Cell Division,Division Cycle, Cell,Division Cycles, Cell
D002455 Cell Division The fission of a CELL. It includes CYTOKINESIS, when the CYTOPLASM of a cell is divided, and CELL NUCLEUS DIVISION. M Phase,Cell Division Phase,Cell Divisions,Division Phase, Cell,Division, Cell,Divisions, Cell,M Phases,Phase, Cell Division,Phase, M,Phases, M
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D013006 Growth Hormone A polypeptide that is secreted by the adenohypophysis (PITUITARY GLAND, ANTERIOR). Growth hormone, also known as somatotropin, stimulates mitosis, cell differentiation and cell growth. Species-specific growth hormones have been synthesized. Growth Hormone, Recombinant,Pituitary Growth Hormone,Recombinant Growth Hormone,Somatotropin,Somatotropin, Recombinant,Growth Hormone, Pituitary,Growth Hormones Pituitary, Recombinant,Pituitary Growth Hormones, Recombinant,Recombinant Growth Hormones,Recombinant Pituitary Growth Hormones,Recombinant Somatotropins,Somatotropins, Recombinant,Growth Hormones, Recombinant,Recombinant Somatotropin
D014176 Protein Biosynthesis The biosynthesis of PEPTIDES and PROTEINS on RIBOSOMES, directed by MESSENGER RNA, via TRANSFER RNA that is charged with standard proteinogenic AMINO ACIDS. Genetic Translation,Peptide Biosynthesis, Ribosomal,Protein Translation,Translation, Genetic,Protein Biosynthesis, Ribosomal,Protein Synthesis, Ribosomal,Ribosomal Peptide Biosynthesis,mRNA Translation,Biosynthesis, Protein,Biosynthesis, Ribosomal Peptide,Biosynthesis, Ribosomal Protein,Genetic Translations,Ribosomal Protein Biosynthesis,Ribosomal Protein Synthesis,Synthesis, Ribosomal Protein,Translation, Protein,Translation, mRNA,mRNA Translations
D014407 Tumor Cells, Cultured Cells grown in vitro from neoplastic tissue. If they can be established as a TUMOR CELL LINE, they can be propagated in cell culture indefinitely. Cultured Tumor Cells,Neoplastic Cells, Cultured,Cultured Neoplastic Cells,Cell, Cultured Neoplastic,Cell, Cultured Tumor,Cells, Cultured Neoplastic,Cells, Cultured Tumor,Cultured Neoplastic Cell,Cultured Tumor Cell,Neoplastic Cell, Cultured,Tumor Cell, Cultured

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