ارگذاری ریز مغذی نانو ذره سلنیوم در ساختار باکتری‌های لاکتوباسیل و بررسی توان ضد میکروبی آن جهت ساخت مکمل دارویی ضد اسهال

نویسندگان

1 گروه علوم دامی، دانشکده کشاورزی، دانشگاه تبریز، تبریز

2 مرکز تحقیقات کاربردی علوم دارویی، دانشگاه علوم پزشکی تبریز، تبریز

چکیده

شرشیاکلی عامل اصلی اسهال خونی است. تحقیق حاضر در راستای پیشنهاد داروی زیست محیطی ضد اسهال، به بررسی اثرات هم‌افزایی و ضد میکروبی نانوذرات سلنیوم و لاکتوباسیل‌ها روی‌ اشرشیاکلی پرداخته است. توان ضد میکروبی نمونه‌های آزمایشی به روش انتشار از دیسک و چاهک به صورت اندازه‌گیری هاله عدم رشد ارزیابی شد. همچنین کمترین غلظت مهار رشد MIC و کمترین غلظت کشندگی MBC به روش رقت‌سازی انجام گردید. نتایج بدست آمده نشان داد در هر دو روش چاهک و دیسک بیشترین قطر هاله‌ عدم رشد به ترتیب با میانگین 6/23 و 36/23 میلی‌متر متعلق به تیمار "نانوسلنیوم بارگذاری شده در لاکتوباسیل‌ها‌" روی گونه استاندارد اشرشیاکلی بود. تعیین MIC وMBC نیز حاکی از آن بود که دو تیمار "نانوسلنیوم بارگذاری شده در لاکتوباسیل‌ها" و "نانوسلنیوم لاکتوباسیل" به ترتیب با میانگین کل 7/590 و 38/615 میکروگرم بر میلی‌لیتر برای MIC و میانگین کل 32/955 و 67/1195 میکروگرم بر میلی‌لیتر برای MBC، پایین‌ترین مقادیر را نسبت به سایر تیمارها داشتند 05/0P<. تمامی آزمون‌ها حاکی از توان ضد اسهالی بالای نمونه "نانوسلنیوم بارگذاری شده در لاکتوباسیل‌ها‌" بود. از اینرو به شرط تکرار آزمایش در مطالعات آتی و اطمینان از صحت نتایج بدست آمده، می‌توان ساخت داروی زیست محیطی با این فرمولاسیون را جهت استفاده درمانی توصیه نمود.

کلیدواژه‌ها


عنوان مقاله [English]

Nano-Selenium Loading on Structure ofLactobacillus and Evaluating its AntimicrobialPotency toMake Anti-Diarrhea Drug-Supplement

نویسندگان [English]

  • S. Cheraghi Saray 1
  • A. Hosseinkhani 1
  • A. Taghizadeh 1
  • H. Mohammadzadeh 1
  • H. Hamishehkar 2
1 Department of Animal Science, Faculty of Agriculture, University of Tabriz, Tabriz
2 Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz
چکیده [English]

Escherichia coli E.coli is the most important species that causes dysentery. Present study was conducted to investigate the synergistic antimicrobial effects of Nano-selenium and lactobacillus on E.coli to suggest anti-diarrhea bio-drug. The antimicrobial effects of experimental treatments against E.coli were evaluated by disk diffusion and well diffusion methods as a measure of the growth inhibition zone. Moreover, the minimum inhibitory concentration MIC and minimum bactericidal concentration MBC were determined by micro-dilution method. The results of the well and disk diffusion methods showed that in both tests, the highest growth inhibition zone of the "Nano selenium-loaded lactobacillus" treatment on the standard strain of E.coli was 23/6 and 23/36 mm respectively. The results of MIC and MBC determination showed that in all experimental periods, "Nano selenium-loaded lactobacillus" and "Nano-selenium lactobacillus" treatments with 590/7 and 615/38 μg/ml for MIC and 955/32 and 1195/67 μg/ml for MBC had the lowest amounts compared to other treatments P<0.05. The results of this experiment confirmed the anti-diarrhea ability of "Nano selenium-loaded lactobacillus" treatment. Therefore, provided that this test be repeated in future studies and ensured the accuracy of these results, manufacturing of bio-drug with this formulation may be advised for prevention or treatment of diarrheal disease.
 

کلیدواژه‌ها [English]

  • Nano-Selenium Particle
  • Lactobacillus
  • Antimicrobial
  • Escherichia coli
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