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Effect of structure on tumor specificity of alicyclic alpha-amino acids. 1978

L C Washburn, and T T Sun, and J B Anon, and R L Hayes

The selective affinity of [carboxyl-11C]-1-aminocyclopentanecarboxylic acid (ACPC) for tumor tissue has led us to study the tumor-localizing characteristics of a series of alicyclic alpha-amino acid analogs of ACPC. The tissue distributions of [14C]-1-aminocyclopropanecarboxylic acid, 1-aminocyclobutanecarboxylic acid (ACBC), 1-aminocyclohexanecarboxylic acid, 1-amino-2-methylcyclopentanecarboxylic acid were compared with that of ACPC in Buffalo rats bearing Morris 5123C hepatomas. ACPC and ACBC were found to have significantly higher tumor-to-nontumor concentration ratios than the other four amino acids. ACBC generally had higher tumor-to-nontumor ratios than did ACPC, significantly so for muscle, kidney, and testis and marginally so for blood. These results suggest that [carboxyl-11C]ACBC may be a better agent than [carboxyl-11C]ACPC for tumor imaging by positron tomography.

UI MeSH Term Description Entries
D008113 Liver Neoplasms Tumors or cancer of the LIVER. Cancer of Liver,Hepatic Cancer,Liver Cancer,Cancer of the Liver,Cancer, Hepatocellular,Hepatic Neoplasms,Hepatocellular Cancer,Neoplasms, Hepatic,Neoplasms, Liver,Cancer, Hepatic,Cancer, Liver,Cancers, Hepatic,Cancers, Hepatocellular,Cancers, Liver,Hepatic Cancers,Hepatic Neoplasm,Hepatocellular Cancers,Liver Cancers,Liver Neoplasm,Neoplasm, Hepatic,Neoplasm, Liver
D008297 Male Males
D009369 Neoplasms New abnormal growth of tissue. Malignant neoplasms show a greater degree of anaplasia and have the properties of invasion and metastasis, compared to benign neoplasms. Benign Neoplasm,Cancer,Malignant Neoplasm,Tumor,Tumors,Benign Neoplasms,Malignancy,Malignant Neoplasms,Neoplasia,Neoplasm,Neoplasms, Benign,Cancers,Malignancies,Neoplasias,Neoplasm, Benign,Neoplasm, Malignant,Neoplasms, Malignant
D009374 Neoplasms, Experimental Experimentally induced new abnormal growth of TISSUES in animals to provide models for studying human neoplasms. Experimental Neoplasms,Experimental Neoplasm,Neoplasm, Experimental
D011877 Radionuclide Imaging The production of an image obtained by cameras that detect the radioactive emissions of an injected radionuclide as it has distributed differentially throughout tissues in the body. The image obtained from a moving detector is called a scan, while the image obtained from a stationary camera device is called a scintiphotograph. Gamma Camera Imaging,Radioisotope Scanning,Scanning, Radioisotope,Scintigraphy,Scintiphotography,Imaging, Gamma Camera,Imaging, Radionuclide
D003503 Cyclobutanes Four carbon cycloparaffin cyclobutane (the structural formula (CH2)4) and its derivatives.
D003509 Cyclohexanecarboxylic Acids Carboxylic acid derivatives of cyclohexane. Acids, Cyclohexanecarboxylic
D003515 Cycloleucine An amino acid formed by cyclization of leucine. It has cytostatic, immunosuppressive and antineoplastic activities. 1-Aminocyclopentanecarboxylic Acid,Aminocyclopentanecarboxylic Acid,NSC 1026,1 Aminocyclopentanecarboxylic Acid,Acid, 1-Aminocyclopentanecarboxylic,Acid, Aminocyclopentanecarboxylic
D003521 Cyclopropanes Three-carbon cycloparaffin cyclopropane (the structural formula (CH2)3) and its derivatives.
D006528 Carcinoma, Hepatocellular A primary malignant neoplasm of epithelial liver cells. It ranges from a well-differentiated tumor with EPITHELIAL CELLS indistinguishable from normal HEPATOCYTES to a poorly differentiated neoplasm. The cells may be uniform or markedly pleomorphic, or form GIANT CELLS. Several classification schemes have been suggested. Hepatocellular Carcinoma,Hepatoma,Liver Cancer, Adult,Liver Cell Carcinoma,Liver Cell Carcinoma, Adult,Adult Liver Cancer,Adult Liver Cancers,Cancer, Adult Liver,Cancers, Adult Liver,Carcinoma, Liver Cell,Carcinomas, Hepatocellular,Carcinomas, Liver Cell,Cell Carcinoma, Liver,Cell Carcinomas, Liver,Hepatocellular Carcinomas,Hepatomas,Liver Cancers, Adult,Liver Cell Carcinomas

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