Zhang Qiu-Jie, Yue Lu
Department of Oncology, Jining No. 1 People's Hospital, Shandong 272011, China.
Department of oncology, Qingdao Municipal Hospital, Shandong, 266000, China.
Afr J Tradit Complement Altern Med. 2016 Nov 23;14(1):263-271. doi: 10.21010/ajtcam.v14i1.28. eCollection 2017.
Gastric cancer is a serious health issue caused by and claims more lives in developing and undeveloped countries. Hence, the need for a natural drug with several pharmacological activities with no adverse effect are highly recommended. The target of this study was to verify the anti- efficacy of mangiferin (MF) on -infected AGS cells.
AGS cells were co-cultured with and incubated with increased concentration of MF (10, 20, 50 and 100 μg/mL) or amoxicillin (AMX) and DMSO (control) group to assess its anti- effect by checking inhibitory zone, bacterial drug sensitivity test (MIC and MBC), adhesion and invasive property and various inflammatory markers.
Co-culturing of -infected AGS cells with MF (100 μg) considerably increased (<0.05) the inhibitory zone as well as substantially lowered (<0.05) in the levels of MBC and MIC with decreased adhesion and invasive property in a dose-dependent manner and thus endorsing its anti activity and are almost equivalent to antibiotic AMX. Meanwhile, inflammatory markers such as NF-κΒ subunit p65, interleukins-1β, IL-8, and TNF-α were also markedly suppressed (<0.01) on treatment with MF. In addition, the protein expression of inflammatory enzymes like COX-2 and iNOS were notably downregulated (<0.05) in AGS cells incubated with MF.
We, concluded that MF treatment with -infected AGS cells significantly suppressed the adhesion and invasion process as well as deactivated NF-p65 thereby blocking inflammatory response and thus lower the incidence of gastric carcinoma.
胃癌是一个严重的健康问题,在发展中国家和不发达国家导致更多人死亡。因此,强烈推荐使用具有多种药理活性且无不良反应的天然药物。本研究的目的是验证芒果苷(MF)对幽门螺杆菌感染的AGS细胞的抗幽门螺杆菌功效。
将AGS细胞与幽门螺杆菌共培养,并与浓度递增的MF(10、20、50和100μg/mL)或阿莫西林(AMX)及二甲基亚砜(对照组)一起孵育,通过检查抑菌圈、细菌药敏试验(MIC和MBC)、黏附与侵袭特性以及各种炎症标志物来评估其抗幽门螺杆菌效果。
将幽门螺杆菌感染的AGS细胞与MF(100μg)共培养,显著增加了抑菌圈(P<0.05),同时MBC和MIC水平大幅降低(P<0.05),黏附与侵袭特性呈剂量依赖性降低,从而证实了其抗幽门螺杆菌活性,且几乎与抗生素AMX相当。同时,在用MF处理后,炎症标志物如核因子κB亚基p65、白细胞介素-1β、IL-8和肿瘤坏死因子-α也受到显著抑制(P<0.01)。此外,在用MF孵育的AGS细胞中,炎症酶如COX-2和诱导型一氧化氮合酶的蛋白表达显著下调(P<0.05)。
我们得出结论,用MF处理幽门螺杆菌感染的AGS细胞可显著抑制黏附和侵袭过程,并使核因子p65失活,从而阻断炎症反应,进而降低胃癌的发病率。