مطالعه تغییرات پلاسمایی بیومارکرهای قلبی-عروقی، سیستاتین C و آدنوزین دِآمیناز در دیابت ملیتوس القاء شده با آلوکسان در سگ

محورهای موضوعی : آسیب شناسی درمانگاهی دامپزشکی

کاوه عظیم‌زاده ¹

1 - استادیار، باشگاه پژوهشگران جوان و نخبگان، واحد ارومیه، دانشگاه آزاد اسلامی، ارومیه، ایران.

تاریخ دریافت : 1395/01/20 تاریخ پذیرش : 1395/04/10 تاریخ انتشار : 1395/05/01

کلید واژه: سگ, دیابت ملیتوس, بیومارکرهای قلبی-عروقی, سیستاتین ‌سی, آدنوزین دِآمیناز,

چکیده مقاله :

دیابت ملیتوس (DM) از بیماری های متابولیک بوده که با عوارض متعدد خونی و بافتی همراه است. هدف از مطالعه حاضر بررسی تغییرات پلاسمایی سطح تروپونین قلبی I (cTnI)، هموسیستئین (Hcy)، سیستاتین C (Cys-C) و فعالیت آدنوزین دِآمیناز (ADA) در دیابت ملیتوس القاء شده با آلوکسان در سگ می باشد. در این مطالعه، پس از القاء دیابت ملیتوس در گروه تیمار و پس از سه ماه نگه داری، سطح سرمی cTnI، Cys-C و Hcy و فعالیت ADA با استفاده از تکنیک الایزا و الکتروکمی لومینسانس (ECL) در پلاسما اندازه گیری و با گروه سالم مقایسه گردید. در پایان، افزایش معنی دار (01/0p<) در سطوح پلاسمایی cTnI، Cys-C و Hcy همراه با کاهش معنی دار (01/0p<) در فعالیت ADA در گروه تیمار در مقایسه با گروه سالم مشاهده شد. نتایج مطالعه نشان داد در سگ های دیابتی آسیب های قلبی و کلیوی رخ می دهد که لزوم توجه هر چه بیشتر را در مدیریت دیابت سگ ها می طلبد. همچنین، کاهش فعالیت ADA با افت عملکردی سیستم ایمنی (مخصوصاً سلول های T)، با بالا ماندن غلظت آدنوزین جهت تسهیل ورود گلوکز به سلول و کاهش کاتیون روی می تواند ارتباط داشته باشد.

چکیده انگلیسی:

Diabetes mellitus (DM) is a metabolic disease which may lead to considerable damages in most tissues. The purpose of this study was to assess whether the levels of serum Cardiac troponin I (cTnI), Homocysteine (Hcy), Cystatin c (Cys-C) and adenosine deaminase (ADA) activity are altered in alloxan induced diabetes mellitus in the dog. In this study, DM was induced by alloxan in the treatment group and three months later, plasma cTnI, Hcy and Cys-C were evaluated by Elisa technique and ADA activity was assessed by Electrochemilumminescence (ECL) method. The results showed significant increases (p<0.01) in cTnI and Cys-C along with a considerable decrease in ADA in the treatment group in comparison to the intact healthy group. Conclusively, increased plasma levels of cTnI and Cys-C in dogs with DM indicates heart and kidney damage respectively, which requires effective measures in the management of diabetes mellitus in dogs. Furthermore, reduction of ADA activity can be attributed to the decline of immune system (especially T cells), high levels of adenosine concentrations for facilitation of glucose transport and/or zinc ion decrease.

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