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Activation of immunoglobulin kappa gene rearrangement correlates with induction of germline kappa gene transcription

Identifieur interne : 004B50 ( Main/Exploration ); précédent : 004B49; suivant : 004B51

Activation of immunoglobulin kappa gene rearrangement correlates with induction of germline kappa gene transcription

Auteurs : Mark S. Schlissel [États-Unis] ; David Baltimore [États-Unis]

Source :

RBID : ISTEX:57A9861EF5D9CC18E7B88FE0D0E64857F9E1A938

English descriptors

Abstract

Abstract: We have developed a sensitive polymerase chain reaction assay for measuring the fraction of rearranged immunoglobulin kappa genes in a cell population. Using this assay with Abelson virus-transformed murine pre-B cells, we have found that bacterial lipopolysacharide treatment, which activates transcription of the unrearranged kappa constant region gene, also activates kappa gene rearrangement. In addition, we have been able to detect kappa gene rearrangement in cell lines that do not produce a functional heavy chain gene product (mu protein). These results implicate transcription or transcription factor binding as a regulator of immunoglobulin gene rearrangement.

Url:
DOI: 10.1016/0092-8674(89)90951-3


Affiliations:


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Le document en format XML

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<term>Amplification</term>
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<term>Boehringer mannheim</term>
<term>Cell line</term>
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<term>Cell population</term>
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<term>Immunoglobulin kappa gene rearrangement</term>
<term>Kappa</term>
<term>Kappa gene rearrangement</term>
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<term>Kappa genes</term>
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<term>Polymerase chain reaction</term>
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<term>Rearrangement frequency</term>
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<term>Sensitive assay</term>
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<term>Transcription factor</term>
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<term>Unrearranged gene transcription</term>
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<div type="abstract" xml:lang="en">Abstract: We have developed a sensitive polymerase chain reaction assay for measuring the fraction of rearranged immunoglobulin kappa genes in a cell population. Using this assay with Abelson virus-transformed murine pre-B cells, we have found that bacterial lipopolysacharide treatment, which activates transcription of the unrearranged kappa constant region gene, also activates kappa gene rearrangement. In addition, we have been able to detect kappa gene rearrangement in cell lines that do not produce a functional heavy chain gene product (mu protein). These results implicate transcription or transcription factor binding as a regulator of immunoglobulin gene rearrangement.</div>
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