Usefulness of salivary and serum auto-antibodies against tumor biomarkers HER2 and MUC1 in breast cancer screening

Abstract : Background: The aim of this work was to investigate if serum and salivary auto antibodies, isotypes IgG and IgM, against HER2 and MUC1 tandem repeat fragments could play a role in breast cancer screening. Materials and Methods: Our case-control study was conducted in breast cancer patients, in early stages (n=29), at the gynecology service, Maternity Souissi Hospital, Rabat, Morocco and healthy woman (n=31). Salivary and serum auto-antibodies against HER2 and MUC1 (tandem repeat) were assessed by enzyme-linked immunosorbent assay (ELISA) and compared between patients and healthy women using the Mann Whitney U test. A P-value <0.05 was considered to be statistically significant. Results: Our data showed higher expression of all serum and salivary autoantibodies in patients as compared to healthy women p<0.05. However, serum IgM anti-MUC1 expression did not show a significant difference between cases and controls (p=0.79). Similarly, salivary IgG anti-HER2 expression did not differ (p=0.15). The correlation between the different isotypes of antibodies revealed that the highest correlation was between salivary IgG anti-HER2 and salivary IgG anti- MUC1(r=0.65). In fact, we have found in saliva the correlation between autoantibodies anti-MUC1 and anti HER2 more important than in serum (r=0.59 and r=0. 55). However, the correlation between serum and saliva values for all antibodies was weak. Conclusions: Autoantibodies against HER2 and MUC1 may provide a useful approach in breast cancer screening when using both serum and saliva values.
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Asian Pacific Journal of Cancer Prevention, Asian Pacific Education Press Ltd., 2016, 17 (1), pp.335-339. 〈10.7314/APJCP.2016.17.1.335〉
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Soumis le : mercredi 17 février 2016 - 10:20:13
Dernière modification le : jeudi 8 février 2018 - 11:10:27

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Fatna Laidi, Amal Bouziane, Abdelhamid Errachid, Fatima Zaoui. Usefulness of salivary and serum auto-antibodies against tumor biomarkers HER2 and MUC1 in breast cancer screening. Asian Pacific Journal of Cancer Prevention, Asian Pacific Education Press Ltd., 2016, 17 (1), pp.335-339. 〈10.7314/APJCP.2016.17.1.335〉. 〈hal-01275236〉

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