acid-phosphatase and Intestinal-Neoplasms

Topics: Acid Phosphatase; Alkaline Phosphatase; Animals; Brain Neoplasms; Breast Neoplasms; Carcinoma, Hepatocellular; Catalase; DNA Nucleotidyltransferases; Fructose-Bisphosphate Aldolase; Glycine Hydroxymethyltransferase; Hexokinase; Hodgkin Disease; Intestinal Neoplasms; Isoenzymes; L-Lactate Dehydrogenase; Leukemia; Liver; Liver Neoplasms; Lung Neoplasms; Neoplasms; Pyruvate Kinase; Ribonucleotides; Sarcoma, Experimental; Stomach Neoplasms; Uridine Kinase

The distribution of enzymes and laminin was examined in ileal tissue from pigs suffering from intestinal adenomatosis to reveal the nature of the lesion. A disruption of the normal and specific pattern of distribution was found. Thus, the normal ileal epithelium was characterised by brush border enzymes: alkaline phosphatase, magnesium-dependent adenosine triphosphatase (Mg-ATPase), fluoride resistant acid phosphatase and 5'-nucleotidase; enzymes of the basolateral border: Mg-ATPase; and cytoplasmic enzymes: beta-glucuronidase, non-specific esterase and acid phosphatase. Subepithelial fibroblasts seemed to be characterised by 5'-nucleotidase. Laminin was present as a continuous band under the surface and crypt epithelium, somewhat thicker in the former. In contrast, the branching proliferating crypts of intestinal adenomatosis largely lacked enzymes characteristic of both villus and crypt cells. Reactions for the subepithelial components, laminin and fibroblasts were also reduced. The deficient differentiation of the epithelial as well as subepithelial components in porcine intestinal adenomatosis distinguish the condition from crypt hyperplasia and indicate an adenoma-like character.

Topics: 5'-Nucleotidase; Acid Phosphatase; Adenoma; Alkaline Phosphatase; Animals; Ca(2+) Mg(2+)-ATPase; Carboxylesterase; Carboxylic Ester Hydrolases; Glucuronidase; Histocytochemistry; Ileum; Immunohistochemistry; Intestinal Neoplasms; Laminin; Swine; Swine Diseases

Histochemical enzymatic studies were performed on 30 freshly resected large bowel carcinomas, 30 samples of normal colonic epithelium, and six samples of the histologically normal epithelium (so-called transitional epithelium) immediately adjacent to a carcinoma. Five enzymes were studied: nicotine adenine dinucleotide tetrazolium reductase (NADH-TR), glucose-6-phosphate dehydrogenase, succinate dehydrogenase, monoamine oxidase, and acid phosphatase. QUANTITATIVE AND QUALITATIVE DIFFERENCES IN ENZYME ACTIVITY WERE OBSERVED BETWEEN NORMAL, TRANSITIONAL, AND CARCINOMATOUS MUCOSA AS FOLLOWS: monoamine oxidase activity was moderate in normal mucosa, high in transitional mucosa, and low in carcinoma. Succinate dehydrogenase activity was high in transitional mucosa and low or moderate in normal and carcinomatous mucosa. Glucose-6-phosphate dehydrogenase activity showed a gradation from low in normal mucosa to high in carcinoma while acid phosphatase showed the reverse of this pattern. The tetrazolium reductase activity was low or moderate in normal and transitional mucosa and high in carcinoma. These differences in enzyme activity and their possible clinical and metabolic significance are discussed.

Topics: Acid Phosphatase; Adenocarcinoma; Epithelium; Glucosephosphate Dehydrogenase; Histocytochemistry; Humans; Intestinal Mucosa; Intestinal Neoplasms; Intestine, Large; Monoamine Oxidase; NADH, NADPH Oxidoreductases; Succinate Dehydrogenase

The activities of 13 enzymes in 40 carcinomas of the large bowel have been studied using histochemical techniques. Five enzymes-non-specific esterase, monoamine oxidase, succinate dehydrogenase, cytochrome oxidase, and acid phosphatase-commonly show much less activity in the tumours than in adjacent normal colon. The tumours have been classified based upon the number of enzymes which show marked reduction in activity in each tumour (types 1-5). The enzyme histochemical type and the size of the tumours have been jointly correlated with the presence of lymph node metastasis. Small type 1 or 2 tumours do not appear to be associated with metastatic disease. Small type 5 tumours were commonly associated with secondary carcinoma in the lymph nodes. Large tumours (greater than 25 sq cm surface area) of any histochemical type were frequently associated with lymph node metastasis. Discussion of the possible reasons for these findings and their clinical significance is presented.

Topics: Acid Phosphatase; Alkaline Phosphatase; Colon; Electron Transport Complex IV; Esterases; Glucosephosphate Dehydrogenase; Glucuronidase; Glutamate Dehydrogenase; Glycerolphosphate Dehydrogenase; Histocytochemistry; Humans; Intestinal Neoplasms; L-Lactate Dehydrogenase; Lymphatic Metastasis; Monoamine Oxidase; Succinate Dehydrogenase

Topics: Acid Phosphatase; Adenocarcinoma; Biopsy; Carcinoma, Bronchogenic; Carcinoma, Squamous Cell; Colorimetry; Esophageal Neoplasms; Female; Gastrointestinal Neoplasms; Hodgkin Disease; Humans; Intestinal Neoplasms; Laryngeal Neoplasms; Leucyl Aminopeptidase; Leukemia; Liver Neoplasms; Lymphoma, Non-Hodgkin; Male; Melanoma; Nasopharyngeal Neoplasms; Neoplasms; Pancreatic Neoplasms; Prostatic Neoplasms; Tongue Neoplasms; Urogenital Neoplasms