Publication List English

2019/10/15
C3orf70 Is Involved in Neural and Neurobehavioral Development

2019/09/22
Generation of a Triple-Transgenic Zebrafish Line for Assessment of Developmental Neurotoxicity during Neuronal Differentiation

2019/07/17
Aging-associated microstructural deterioration of vertebra in zebrafish

2019/03/18
Zebrafish yolk sac microinjection of thalidomide for assessment of developmental toxicology

2019/02/18
Toxicological Evaluation of SiO2 Nanoparticles by Zebrafish Embryo Toxicity Test

tOverexpression of caltractin gene in Tumor-Infiltrating Lymphocytes.

                     
1998/12/13

Da-Yu Tian, Masaaki Hayashi, Toshimichi Yoshida, Teruyo Sakakura, Yoshifumi Kawarada and Toshio Tanaka
International Journal of Oncology 13 1135-1140 1998

Abstract

Differential display is a technique which relies on the polymerase chain reaction to identify messenger RNA differences between related tissue samples. We have employed an improved differential display technique, called fluorescent differential display (FDD), to identify the genes that are differentially expressed in normal and malignant mammary tissues. From FDD fingerprints, we identified changes in intensity of approximately 3% (185 bands) of a total of 5, 837 bands. Each of these 185 bands represented a differentially expressed gene, and we focused our attention on the expression of the gene for caltractin, a member of the calcium-binding EF-hand protein superfamily. Northern blot analysis revealed that the level of mRNA for caltractin was higher in breast carcinoma than in corresponding normal tissue in all cases tested (5/5). Moreover, high-level expression of the gene for caltractin was also recognized in other malignant tumors, such as hepatocellular carcinoma (HCC), gastric cancer and leiomyosarcoma. The results of in situ hybridization showed strong stainings for caltractin mRNA in tumor-infiltrating lymphocytes (TIL), but not in malignant tumor cells. Our data suggests that the caltractin gene might be associated with the function of TIL.

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