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RISS 인기검색어
- 검색키워드
- 저자 : Mana Oloomi (검색결과 4 건)
- 무료
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Javadi, Maryam,Oloomi, Mana,Bouzari, Saeid Korea Genome Organization 2017 Genomics & informatics Vol.15 No.2
In this study, cytolethal distending toxin (CDT) producer isolates genome were compared with genome of pathogenic and commensal Escherichia coli strains. Conserved genomic signatures among different types of CDT producer E. coli strains were assessed. It was shown that they could be used as biomarkers for research purposes and clinical diagnosis by polymerase chain reaction, or in vaccine development. cdt genes and several other genetic biomarkers were identified as signature sequences in CDT producer strains. The identified signatures include several individual phage proteins (holins, nucleases, and terminases, and transferases) and multiple members of different protein families (the lambda family, phage-integrase family, phage-tail tape protein family, putative membrane proteins, regulatory proteins, restriction-modification system proteins, tail fiber-assembly proteins, base plate-assembly proteins, and other prophage tail-related proteins). In this study, a sporadic phylogenic pattern was demonstrated in the CDT-producing strains. In conclusion, conserved signature proteins in a wide range of pathogenic bacterial strains can potentially be used in modern vaccine-design strategies.
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Maryam Javadi,Mana Oloomi,Saeid Bouzari 한국유전체학회 2017 Genomics & informatics Vol.15 No.2
In this study, cytolethal distending toxin (CDT) producer isolates genome were compared with genome of pathogenic and commensal Escherichia coli strains. Conserved genomic signatures among different types of CDT producer E. coli strains were assessed. It was shown that they could be used as biomarkers for research purposes and clinical diagnosis by polymerase chain reaction, or in vaccine development. cdt genes and several other genetic biomarkers were identified as signature sequences in CDT producer strains. The identified signatures include several individual phage proteins (holins, nucleases, and terminases, and transferases) and multiple members of different protein families (the lambda family, phage-integrase family, phage-tail tape protein family, putative membrane proteins, regulatory proteins, restriction-modification system proteins, tail fiber-assembly proteins, base plate-assembly proteins, and other prophage tail-related proteins). In this study, a sporadic phylogenic pattern was demonstrated in the CDT-producing strains. In conclusion, conserved signature proteins in a wide range of pathogenic bacterial strains can potentially be used in modern vaccine-design strategies.
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Moazzezy, Neda,Farahany, Tahereh Zarnoosheh,Oloomi, Mana,Bouzari, Saeid Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.4
Background: CEA and CA 15.3 serum tumor markers are currently used in clinical practice for monitoring therapy. The aim of this study was to evaluate serum level of these markers among healthy females and invasive breast carcinoma (IBC) patients and to determine any relationships with clinicopathological factors. Materials and Methods: 60 Iranian females were enrolled in this study, 30 healthy and 30 diagnosed with breast cancer who had not received any preoperative chemotherapy or hormone therapy. Enzyme linked immunosorbent assays were used for the quantitative determination of the cancer associated antigens, CEA and MUC1 (CA15-3). Results: The serological levels of CEA and CA15-3 ($5.0033{\pm}0.49{\mu}g/L$ and $178.1667{\pm}15.11$ U/ml) in the breast cancer patients were significantly higher (p=0.00) than the serum levels of normal controls ($1.1237{\pm}0.11{\mu}g/L$ and $21.13{\pm}3.058$ U/ml). Regarding the CEA marker, a significant correlation with grade of tumor was shown. Furthermore, there was a low correlation between CA15-3 and CEA marker with correlation coefficient r=0.08. Conclusions: Collectively, markedly high levels of CEA and CA15-3 were found in our patients, pointing to their use as additional tools after clinical diagnosis.
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Moazzezy, Neda,Ebrahimi, Fatemeh,Sisakht, Mahsa Mollapour,Yahyazadeh, Hossein,Bouzari, Saeid,Oloomi, Mana Asian Pacific Journal of Cancer Prevention 2016 Asian Pacific journal of cancer prevention Vol.17 No.1
Molecular detection methods such as RT-PCR for detecting breast cancer-associated gene expression in the peripheral blood have the potential to modify breast cancer (BC) staging and therapy. In this regard, we evaluated the potential of erb-B2 molecular marker in BC detection and analyzed the expression of erb-B2 mRNA in the peripheral blood and fresh tissue samples of 50 pretreated female BC patients and 50 healthy females by reverse transcription-PCR (RT-PCR) method. We also assessed the correlation of erb-B2 mRNA marker positivity in peripheral blood and tumor tissue samples with clinical and pathological factors in BC patients in order to evaluate its prognostic value. It was shown that there is a significant difference between healthy females and BC patients with expression of the erb-B2 molecular marker (p<0.01). A significant difference between the expression of erb-B2 in the peripheral blood and tissue samples of BC patients (p<0.01) and the frequency of circulating erb-B2 mRNA expression in peripheral blood and in tissue was detected by RT-PCR. No correlation was found between erb-B2 mRNA expression in blood or tumor tissue samples and lymph node, tumor grade, tumor stage, tumor size, patient's age, ki67, estrogen receptor (ER), progesterone receptor (PGR), P53, and HER-2 status. However, in a small subset of 31 BC patients we found that expression of erb-B2 in peripheral blood or in both peripheral blood and tumor tissue was directly correlated with lympho-vascular invasion and perineural invasion as poor prognostic features. The highest rates of erb-B2 expression in peripheral blood or tumor tissue were in the ER and PR negative and HER-2 positive group. This study suggests that the application of the RT-PCR and immunohistochemical methods for erb-B2 molecular marker detection would provide a higher detection rate, especially in early stage BC.
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