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Veterinary Research Forum، جلد ۱۳، شماره ۳، صفحات ۳۹۳-۴۰۱
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عنوان انگلیسی Suppression of the malignancy of mammary tumor in mice model by inactivated preparation of Mycobacterium obuense
چکیده انگلیسی مقاله Breast cancer (BC) is a significant cause of global mortality in women. This study was aimed to evaluate the immune-activation of malignant BC via the administration of attenuated Mycobacterium obuense. For this purpose, an in vivo model was developed with BALB/c mice. Mice were injected with 2.00 × 106 4T1 cells with breast tumor cell line. Forty-two mice were equally divided into control as well as low dose (0.20 mg 100 µL-1) and high dose (0.50 mg 100 µL-1) groups of M. obuense to investigate gene expression in the antitumor effects of M. obuense. In one group, paclitaxel was administrated as a choice drug in BC treatment. Antitumor manners were characterized by cytotoxicity against tumor target cells, size of the tumor and the expression of some BC metastatic genes together with pathology. The MTT assay demonstrated that different concentrations of both low and a high doses of bacteria did present no cytotoxicity effect on 4T1 cells. According to our findings, M. obuense significantly repressed tumor growth. M. obuense downregulated the expression of collagen type I alpha 1 (COLIA1), cFos, alkaline phosphatase (ALP), claudin 3 (cldn3), and conversely, activated transcription factor 4 (ATF4) and Twist related protein-1 (Twist1). All these alternations induced a decrease in the migratory and invasive capabilities of BC. The result of pathology was indicative of tumor regression in the paclitaxel and HK- M. obuense -recipient group. Thus, it seems most likely that M. obuense might impinge upon cell growth and metastatic behavior of malignant cells exerting anti-tumor activity in BC.
کلیدواژه‌های انگلیسی مقاله Breast cancer,Gene expression,Immunotherapy,metastatic behavior,Mycobacterium obuense
نویسندگان مقاله Katayoon Nofouzi |
Department of Pathobiology, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran

Parsa Almasi |
Department of Pathobiology, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran

Ali Asghar Fakhri-Demeshgheieh |
Department of Pathobiology, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran

Monireh Khordadmehr |
Department of Pathobiology, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran

Behzad Baradaran |
Immunology Research Center, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran

Milad Asadi |
Immunology Research Center, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran

Parvin Sarbakhsh |
Department of Statics and Epidemiology, Faculty of Health Sciences, Tabriz University of Medical Sciences, Tabriz, Iran

Gholamreza Hamidian |
Department of Basic Sciences, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran

نشانی اینترنتی https://vrf.iranjournals.ir/article_253003_5fb7f98ea9ad2ff55577a84cc3260e34.pdf
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