Polymerase Chain Reaction and Sequencing of Immunoglobulin Heavy Chain Gene Rearrangement in Formalin Fixed, Paraffin-embedded Tissue of Patients with B Cell Lymphoma
Korean Journal of Hematology
; : 361-366, 2007.
Article
en Ko
| WPRIM
| ID: wpr-720993
Biblioteca responsable:
WPRO
ABSTRACT
BACKGROUND:
Immunoglobulin heavy chain (IgH) gene rearrangement has been known to be a useful marker for determining the clonality as well as detecting minimal residual disease in B cell malignancies. This study was performed to establish single polymerase chain reaction (PCR) methods for the detection of IgH gene rearrangements in formalin-fixed, paraffin-embedded tissue of patients with B cell lymphoma and determine the type of JH segments used.METHODS:
We obtained formalin-fixed, paraffin-embedded tissue sections of 44 patients diagnosed with B cell lymphoma at Ajou University Hospital from January 2005 to January 2007 and reviewed medical records retrospectively. After the extraction of DNA, PCR was performed using VH3 and JHPST primers to detect the third complementarity determining region (CDR3) gene of IgH. Sequence analysis of the PCR products was also done in 23 patients.RESULTS:
The CDR3 gene rearrangements were detected in 26 (59%) out of 44 patients with B cell lymphoma. Sequence analysis of the amplified CDR3 gene was successful in 16 (70%) of 23 patients. JH3, JH4, JH5, and JH6 segments were used for CDR3 gene rearrangements in 3 (25%), 4 (33%), 1 (8%), and 4 (33%) patients with diffuse large B cell lymphoma, respectively.CONCLUSION:
Although there are some limitations due to a low sensitivity less than 60%, single PCR using consensus primers could be an effective tool for the detection of CDR3 gene rearrangements in routine laboratory settings. Furthermore, sequence analysis of the CDR3 PCR products will provide basic information necessary for further studies.Palabras clave
Texto completo:
1
Base de datos:
WPRIM
Asunto principal:
ADN
/
Inmunoglobulinas
/
Reordenamiento Génico
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Registros Médicos
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Reacción en Cadena de la Polimerasa
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Estudios Retrospectivos
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Linfoma de Células B
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Cadenas Pesadas de Inmunoglobulina
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Análisis de Secuencia
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Neoplasia Residual
Tipo de estudio:
Guideline
/
Observational_studies
Límite:
Humans
Idioma:
Ko
Revista:
Korean Journal of Hematology
Año:
2007
Tipo del documento:
Article