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Identification of genomic imbalances in gastric MALT lymphoma using arbitrarily primed PCR DNA fingerprinting

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Arbitrarily primed PCR (AP-PCR) is a unique method to identify the cancer cell specific losses and gains of chromosomal regions by targeting specific genes or chromosomal segments. In the present study, introducing the AP-PCR technique with a single primer, we have ascertained the gains and losses of DNA fingerprints in 15 MALT lymphoma samples. Out of 15 prominent DNA fingerprints, the signal intensity of two fingerprints, labeled bands G and I, were significantly lower in 40 and 50% of tumors as compared to adjacent normal DNA fingerprints, respectively. Similarly, gains of signal intensity of DNA fingerprints (bands A and C) were detected in 13% of tumor samples studied. Variations in signal intensities were also found in other bands within a few samples. Although, the functional importance of these bands is unknown, this study indicates that the AP-PCR generated under or over amplified DNA fingerprints may participate during the progression of MALT lymphoma in human stomach. Moreover, these studies also suggest that the AP-PCR technique, with different primers, can be utilized for the determination of new chromosomal segments in MALT lymphoma samples that can be used for the identification of these diseases.
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Document Type: Research Article

Affiliations: Cancer Research Unit, Research Division, V.A. Medical Center, Kansas City, Missouri, USA

Publication date: March 1, 2001

More about this publication?
  • The International Journal of Molecular Medicine is a monthly, peer-reviewed journal devoted to the publication of high quality studies related to the molecular mechanisms of human disease. The journal welcomes research on all aspects of molecular and clinical research, ranging from biochemistry to immunology, pathology, genetics, human genomics, microbiology, molecular pathogenesis, molecular cardiology, molecular surgery and molecular psychology.

    The International Journal of Molecular Medicine aims to provide an insight for researchers within the community in regard to developing molecular tools and identifying molecular targets for the diagnosis and treatment of a diverse number of human diseases.
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