Volume 58, Issue 1 pp. 123-128
Experimental Cancer
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A novel strategy of C-myc oncogene in NK activity regulation not related to the W6/32 MHC class-I epitope

Antonio La Cava

Antonio La Cava

Canedra di Immunologia, Dipartimento di Biologia e Patologia Cellulare e Molecolare, Univenilà di Napoli “Federico II”, Naples, Italy

The contributions of these authors were equivalent and their order should be considered arbitrary.

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Ennio Carbone

Ennio Carbone

Canedra di Immunologia, Dipartimento di Biologia e Patologia Cellulare e Molecolare, Univenilà di Napoli “Federico II”, Naples, Italy

The contributions of these authors were equivalent and their order should be considered arbitrary.

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Anna Moscarella

Anna Moscarella

Canedra di Immunologia, Dipartimento di Biologia e Patologia Cellulare e Molecolare, Univenilà di Napoli “Federico II”, Naples, Italy

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Mária Barcová

Mária Barcová

Canedra di Immunologia, Dipartimento di Biologia e Patologia Cellulare e Molecolare, Univenilà di Napoli “Federico II”, Naples, Italy

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Salvatore Salzano

Salvatore Salzano

Canedra di Immunologia, Dipartimento di Biologia e Patologia Cellulare e Molecolare, Univenilà di Napoli “Federico II”, Naples, Italy

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Serafino Zappacosta

Serafino Zappacosta

Canedra di Immunologia, Dipartimento di Biologia e Patologia Cellulare e Molecolare, Univenilà di Napoli “Federico II”, Naples, Italy

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Silvia Fontana

Corresponding Author

Silvia Fontana

Canedra di Immunologia, Dipartimento di Biologia e Patologia Cellulare e Molecolare, Univenilà di Napoli “Federico II”, Naples, Italy

Canedra di Immunologia, Dipartimento di Biologia e Patologia Cellulare e Molecolare, Univenilà di Napoli “Federico II”, Naples. Fax: 39.81.7463252Search for more papers by this author
First published: 1 July 1994
Citations: 4

Abstract

The C-myc gene encodes a nuclear protein whose precise function is still not folly understood. Introduction of a c-myc gene into a number of cell lines leads to an increase in their susceptibility to NK-cell lysis. It was reported earlier that c-myc can induce a decrease in the membrane expression of the MHC class-1 molecules and this may be one of the factors that render target cells relatively more susceptible to NK lysis. In this contribution, we show, in a human LCL line transfected with a constitutively active c-myc gene, an increased sensitivity to NK lysis, which correlates with an augmented effector-target binding ability of c-myc-transfected LCLs and with a high 1CAM-1 expression rather than with down-regulation of MHC class-l W6/32 epitope expression. © 1994 Wiley-Liss, Inc.

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