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Medientyp:
E-Artikel
Titel:
Expression of Hybrid Class I Genes of the Major Histocompatibility Complex in Mouse L Cells
Beteiligte:
Straus, Daniel S.;
Stroynowski, Iwona;
Schiffer, Susan G.;
Hood, Leroy
Erschienen:
National Academy of Sciences of the United States of America, 1985
Erschienen in:Proceedings of the National Academy of Sciences of the United States of America
Sprache:
Englisch
ISSN:
0027-8424
Entstehung:
Anmerkungen:
Beschreibung:
<p>The class I genes of the major histocompatibility complex of the mouse can be divided into two categories: those encoding the transplantation antigens and those encoding the Qa and Tla antigens. The inbred BALB/c mouse has 28 potential Qa/Tla genes. The sites of tissue expression, developmental regulation, and functions of these genes are virtually unknown. We have used the technique of exon shuffling to construct hybrid genes between each of three Qa region genes (Q5, Q7, and Q8) and two other class I genes (H-2L<sup>d</sup>and Q6). The hybrid genes have been transfected into mouse L cells, in which intact transplantation antigen genes generally are expressed and in which intact Qa genes generally are not expressed. Analysis of expression of the hybrid gene constructs indicates that the 5<sup>′</sup>half of two of the Qa genes (Q5 and Q8) can readily be expressed in the context of a hybrid molecule, whereas the 3<sup>′</sup>half prevents cell-surface expression. The exon shuffling approach described here will be useful in characterizing Qa/Tla genes and in identifying or producing new reagents to study the Qa/Tla gene products, their tissue distribution, their developmental stages of expression, and, ultimately, their functions.</p>