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HOME > J Pathol Transl Med > Volume 32(5); 1998 > Article
Original Article Identification of Differentially Expressed Genes Using RNA Fingerprinting in Cell after DNA Damage.
Jung Young Lee, Min Sun Shin, Seung Myung Dong, Eun Young Na, Su Young Kim, Sug Hyung Lee, Won Sang Park, Nam Jin Yoo
Journal of Pathology and Translational Medicine 1998;32(5):321-327
DOI: https://doi.org/
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Department of Pathology and Cancer Research Institute, Catholic University Medical College, Seoul, Korea.

RNA fingerprinting using on arbitrary primed polymerase chain reaction (RAP-PCR) was carried out to identify differentially expressed genes in HL-60 cell after treatment of methylmethane sulfonate (MMS). Twenty differentially expressed PCR products were cloned and analyzed. We have successfully obtained eight partial cDNA sequences by TA cloning method. Among these, six cDNAs were up-regulated and two cDNAs were down-regulated after the MMS treatment. Of these six up-regulated cDNAs, 3 cDNAs were equivalent to known genes in the GenBank/EMBL databases with 98~100% homology searched by BLAST program: genomic DNA fragment containing CpGg island (clone 26h8), Human Rev interacting protein-1 (RIP-1), and human zinc finger protein-4 (HZF4). The sequences of the three remaining cDNA were entirely new genes, but we didn't try to identify a full cDNA sequence. Two clones called KIAA0060 and KIAA0065, were down-regulated in HL-60 cells after the MMS treatment. These findings suggest that the RNA fingerprinting method using RAP-PCR is an effective method which can identify and separate the differentially expressed cDNAs and that the isolated cDNAs might involve in regulation mechanism of apoptosis and/or cell cycle delay, especially a p53-independent pathway, in the cells after DNA damage. But the nature of cDNAs that we have isolated remains to be elucidated.

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