Chinese medical journal · 1997
Multiprimer--PCR for screening of IgH and T-cell receptor rearranged genes in acute lymphoblastic leukemia.
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Xu B, Zhou S, Sun J
Аннотация
OBJECTIVE: To develop a multiprimer-polymerase chain reaction (multiprimer-PCR) method for detecting immunoglobulin heavy chain (IgH) and T-cell receptor (TCR) rearranged genes in the same amplification.
METHODS: Multiprimer-PCR protocol, a mixture of four different primers used in the same reaction detected IgH CDR-III and TCR V gamma I-J gamma Ligenetic rearrangements in 40 acute lymphoblastic leukemia (ALL) patients.
RESULTS: Thirteen cases were found to have IgH CDR-III and TCR V gamma I-J gamma genetic rearrangements. Ten cases were found to have TCR V gamma I-J gamma genetic rearrangements. Thirteen cases were found to have IgH CDR-III genetic rearrangements. The amplification result of multiprimer-PCR was the same as separate amplification. The sensitivity of multiprimer-PCR was 10(-4)-10(-5) DNA level, which was the same as separate PCR amplification. All positive cases with IgH rearranged gene were confirmed by Southern blot.
CONCLUSION: Multiprimer-PCR could screen two distinct rearranged genes in a single amplification, and is more suitable for screening of specimens collected at diagnosis.
METHODS: Multiprimer-PCR protocol, a mixture of four different primers used in the same reaction detected IgH CDR-III and TCR V gamma I-J gamma Ligenetic rearrangements in 40 acute lymphoblastic leukemia (ALL) patients.
RESULTS: Thirteen cases were found to have IgH CDR-III and TCR V gamma I-J gamma genetic rearrangements. Ten cases were found to have TCR V gamma I-J gamma genetic rearrangements. Thirteen cases were found to have IgH CDR-III genetic rearrangements. The amplification result of multiprimer-PCR was the same as separate amplification. The sensitivity of multiprimer-PCR was 10(-4)-10(-5) DNA level, which was the same as separate PCR amplification. All positive cases with IgH rearranged gene were confirmed by Southern blot.
CONCLUSION: Multiprimer-PCR could screen two distinct rearranged genes in a single amplification, and is more suitable for screening of specimens collected at diagnosis.