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Tumor localization with 18F-2-fluoro-2-deoxy-D-glucose: comparative autoradiography, glucose 6-phosphatase histochemistry, and histology of renally implanted sarcoma of the rat.

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Rous sarcoma cells were implanted into the kidney of rats. After 5 days of growth the renal tumor was used for comparing histology with glucose 6-phosphatase (G6Pase) enzyme histochemistry (EHC) and 18F-fluoro-2-deoxyglucose (FDG) auroradiography (ARG). It was found that the regions of the kidney

Glucose-6-phosphatase gene mutations in 20 adult Japanese patients with glycogen storage disease type 1a with reference to hepatic tumors.

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OBJECTIVE A few cases are reported of liver neoplasms observed in patients with glycogen storage disease type 1a (GSD1a). Genetic analysis was carried out in adult Japanese patients with GSD1a and their family members, and hepatic tumors were also investigated in these patients. METHODS DNA was

Phenotypic patterns of preneoplastic and neoplastic hepatic lesions in woodchucks infected with woodchuck hepatitis virus.

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Chronic infection of woodchucks with woodchuck hepatitis virus (WHV) was associated with the development of hepatitis, foci of altered hepatocytes and hepatocellular adenomas and carcinomas. The cytomorphological and cytochemical analysis permitted the identification of three different types of

Metabolism of 2-[18F]fluoro-2-deoxyglucose in tumor-bearing rats: chromatographic and enzymatic studies.

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The activities of hexokinase and glucose-6-phosphatase, as well as the in vivo metabolic products of 2-[18F]fluoro-2-deoxyglucose ([18F]FDG) (45 min after an i.v. injection), were determined from several tissues of Rous sarcoma implanted rats. The HK/G-6-Pase ratio was found to be high in brain and

Alteration in immunoexpression of glucose transporter 2 in liver of tumour-bearing rats.

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To elucidate interactions between the glucose transport system and hepatic glucose production in the tumour-bearing state, glycogen storage, expression of glucose transporter isoform 2 (Glut 2) and activities of glucose-6-phosphatase (G-6-Pase) and hexokinase were histochemically examined in

Prospects for glycerol-rescued hypoglycemia as a cancer therapy.

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Most neoplasms are dependent on glucose as their primary fuel, and their ambient glucose levels tend to be rather low owing to wasteful aerobic glycolysis and poor perfusion. Previous attempts to starve tumors by inducing hypoglycemia have foundered on the fact that the CNS and other tissues have

Effects of female sex steroids on concanavalin A-mediated agglutination of hepatocytes from nonregenerating and regenerating rat liver and hepatic tumor marker enzymes.

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Effect of treatment of female rats with an oral contraceptive agent (OCA), Ovulen-50, for 7 weeks on agglutination of hepatocytes with concanavalin A (con A) and activities of certain tumor marker enzymes were examined to find out if OCA treatment is related to preneoplastic or neoplastic processes.

Morphologic and cytochemical properties of mouse liver neoplasms induced by diethylnitrosamine and promoted by 4,4'-dichlorodiphenyltrichloroethane, chlordane, or heptachlor.

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The relationships between the gross appearance, histologic types, and cytochemical characteristics of hepatocellular neoplasms were studied in B6C3F1 mice given the liver carcinogen diethylnitrosamine either alone or followed by the organochlorine pesticides, 4,4'-dichlorodiphenyltrichloroethane,

Prevention of diabetes, hepatic injury, and colon cancer with dehydroepiandrosterone.

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The levels of dehydroepiandrosterone (DHEA) and its sulfate (DHEA-S) peak in human in their twenties, then decrease gradually with age. The physiological importance of DHEA was not clear until recent research reports showing that DHEA has beneficial effects on preventing diabetes, malignancy,

Inhibition of hepatic gluconeogenesis and enhanced glucose uptake contribute to the development of hypoglycemia in mice bearing interleukin-1beta- secreting tumor.

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Mice bearing IL-1beta-secreting tumor were used to study the chronic effect of IL-1beta on glucose metabolism. Mice were injected with syngeneic tumor cells transduced with the human IL-1beta gene. Serum IL-1beta levels increased exponentially with time. Secretion of IL-1beta from the developed

Interleukin-6 secretion in mice is associated with reduced glucose-6-phosphatase and liver glycogen levels.

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Mice bearing interleukin-6 (IL-6)-secreting tumor were used to study the chronic effect of IL-6 on carbohydrate metabolism. Mice were injected with allogeneic tumor cells transduced with the murine IL-6 gene. Serum IL-6 levels were correlated exponentially with tumor weight. Secretion of IL-6 from

The effects of alternating dietary restriction and ad libitum feeding of mice on the development of diethylnitrosamine-induced liver tumours and its correlation to insulinaemia.

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The effects of alternating ad libitum feeding and 30% restriction of the dietary intake on the development of diethylnitrosamine (DEN)-induced hepatic neoplasia were investigated. Dietary restriction retarded the growth of glucose-6-phosphatase-deficient (G6Pd) preneoplastic foci and subsequently

Detection of a novel, primate-specific 'kill switch' tumor suppression mechanism that may fundamentally control cancer risk in humans: an unexpected twist in the basic biology of TP53.

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The activation of TP53 is well known to exert tumor suppressive effects. We have detected a primate-specific adrenal androgen-mediated tumor suppression system in which circulating DHEAS is converted to DHEA specifically in cells in which TP53 has been inactivated DHEA is an uncompetitive inhibitor

Detection of a novel, primate-specific ‘kill switch’ tumor suppression mechanism that may fundamentally control cancer risk in humans: an unexpected twist in the basic biology of TP53

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Therapeutic effect of tamoxifen and energy-modulating vitamins on carbohydrate-metabolizing enzymes in breast cancer.

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BACKGROUND Cancer cells have an abnormal energetic metabolism. One of the earliest discovered hallmarks of cancer had its roots in bioenergetics, as many tumours were found in the 1920s to exhibit a high glycolytic phenotype. An animal with cancer shows significant and progressive energy loss from

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