kidney neoplasms/carbohydrate

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The expression of 3-fucosylated-N-acetyl lactosamine carbohydrate determinants in renal tumours.

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The distribution in renal tumours of 3-fucosyl-N-acetyl lactosamine has been studied by using the monoclonal antibodies AGF 4.36 and AGF 4.48 and immunoperoxidase methods on tissue sections. Seven of 19 nephroblastomas and 12 of 30 renal cell carcinomas contained the epitope. In nephroblastomas the

Arylamidase from human renal cancer tissue in comparison with normal kidney and placental enzymes.

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Arylamidase (E.C. 3.4.11.2) was solubilized from renal cancer tissues by bromelain treatment, and its properties were compared with those of normal kidney and placental enzymes after partial purification. Their column chromatograms on TEAE-cellulose revealed a slight, but constant difference in the

[Lectin histochemistry in the kidney and renal tumors].

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In recent years histochemical methods using lectins with diverse carbohydrate binding specificities have proved useful tools for studying the distribution pattern of intracellular and pericellular glycoconjugates at the tissue level. Several studies of human kidneys have shown that the binding sites

Changes of Lex and dimeric Lex haptens and their sialylated antigens during development of human kidney and kidney tumors.

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The carbohydrate antigen termed Lex (Gal beta 1----4[Fuc alpha 1----3]GlcNAc beta 1----R), its di- or trimeric form, and their sialylated antigens have been characterized as developmentally regulated, tumor-associated antigens in human gastrointestinal epithelia. In this paper, remarkable changes of

Aberrant regulation of carbohydrate metabolism and metamorphosis during renal carcinogenesis.

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Systematic studies of the sequence of cellular changes during renal carcinogenesis induced in rats by stop experiments with N-nitrosomorpholine or streptozotocin and of human renal cell carcinomas led to the following main results and conclusions: All types of epithelial kidney tumors known from

Diagnostic value of carbohydrate antigens in supernatants and sediments of pleural effusions.

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A panel of tumour markers including carcinoembryonic antigen (CEA), carbohydrate antigen (Ca)15-3, Ca125 and Ca19-9 were measured in the lysate of sediments and in the supernatants of pleural effusions of patients with benign and malignant disease. The tumour markers were also measured in the serum

[A case of primary urotherial carcinoma with glandular differentiation of the renal pelvis with high serum level of carbohydrate antigen 19-9 (CA19-9)].

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A 63-year-old man visited our hospital with body weight loss. Laboratory examination revealed a high serum level of carbohydrate antigen 19-9 (CA19-9) and LDH. There were no abnormal findings in the gastrointestinal tract. Enhanced abdominal computed tomography (CT) revealed a renal tumor, 5×3 cm in

Cellular injury and carcinogenesis. The effect of a protein-free high-carbohydrate diet on the metabolism of dimethylnitrosamine in the rat.

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1. Rats fed on a protein-free high-carbohydrate diet for 7 days metabolized dimethylnitrosamine at only 55% the rate of rats fed on a commercial diet. 2. Dimethylnitrosamine was metabolized by liver slices from rats fed on the protein-free diet at less than half the rate attained by slices from rats

Long-term High Fat Ketogenic Diet Promotes Renal Tumor Growth in a Rat Model of Tuberous Sclerosis.

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Nutritional imbalance underlies many disease processes but can be very beneficial in certain cases; for instance, the antiepileptic action of a high fat and low carbohydrate ketogenic diet. Besides this therapeutic feature it is not clear how this abundant fat supply may affect homeostasis, leading

Changes of the expression of Lewis blood group antigens in glycoproteins of renal cancer tissues.

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Sialic acid and sialyl Lewisa/x are found on N- and O-glycans of many human malignant cells. Carbohydrate antigens can be used as tumor markers, and an increase of their levels in cancer cells is associated with tumor progression. The aim of this study was to assess the level of some Lewis blood

[Expression of Lewis carbohydrate antigen in human tumors].

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In this study we show, by immunoblotting, that Mab B3, a newly isolated monoclonal antibody, reacts with a variety of glycoproteins with different molecular weights expressed in gastric, pancreatic and colorectal cancers. The reactivity pattern differed in cancers arising in different tissues,

[The effect of whole-body controlled hyperthermia on the energy resources of cancer patients].

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The results of examination of 120 patients with advanced malignant melanoma, soft tissue sarcomas and lung and renal cancer suggest disturbance in mechanisms of energy supply during whole-body guided hyperthermia. Cell glucose uptake was inhibited in hyperglycemic patients. High energy loss in due

[Cathepsins D from normal and some human neoplasms].

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Cathepsins D were isolated from human liver and spleen, from three malignant tumours (kidney cancer, sarcoma, spleen tumour caused by chronic myeloleucosis) and from one non-malignant tumour (uterine myoma). The isolation procedure involved adsorption on pepstatin-Sepharose and gel-filtration on

The significance of lectin receptors in the kidney and in hypernephroma (renal adenocarcinoma).

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Normal kidney tissue as well as hypernephromas were examined histochemically for the occurrence of lectin receptors. FITC- and rhodamine-labeled peanut agglutinin (PNA) and Ricinus communis agglutinin (RCA) were used for labeling different carbohydrate residues which may be of interest in the

High frequency, single-dose model of renal adenoma/carcinoma induction using dimethylnitrosamine in Crl:(W)BR rats.

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Following discovery that the type of kidney neoplasm induced in protein-deprived Wistar rats by a single dose of dimethylnitrosamine (DMN) was age-dependent, this study aimed to refine the system in order to develop a high frequency model for the induction of cortical epithelial tumors with low

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