نوع مقاله : مقاله پژوهشی Released under CC BY-NC 4.0 license I Open Access I

نویسندگان

1 استادیار فیزیولوژی ورزشی، گروه علوم ورزشی، واحد شیروان، دانشگاه آزاد اسلامی، شیروان، ایران

2 دانشیار فیزیولوژی ورزشی، دانشکده علوم ورزشی، دانشگاه فردوسی مشهد، مشهد، ایران

3 استادیار فیزیولوژی ورزشی، گروه علوم ورزشی، پردیس بین المللی کیش، دانشگاه تهران، کیش، ایران

چکیده

ABCG8، پروتئین ناقل غشای سلولی است که موجب خروج کلسترول از سلول می‌شود. هدف از این تحقیق بررسی تأثیر یک دوره بازتوانی قلبی بر بیان ژن ABCG8 بود. 20 مرد میانسال (50 تا 60 سال) که تحت عمل جراحی CABG قرار گرفته بودند، در دو گروه کنترل (10 نفر) و تجربی (10 نفر) قرار گرفتند. تمرینات هوازی به مدت 8 هفته (3 جلسه در هفته) با شدتی معادل 11 تا 13 (شدت متوسط براساس مقیاس بورگ) تحت کنترل پزشک انجام گرفت. خون‌گیری پس از 12 تا 14 ساعت ناشتایی 48 ساعت قبل از شروع تمرینات و 48 ساعت پس از پایان برنامة تمرینی انجام گرفت. از روش RTPCR برای بررسی بیان ژن ABCG8 در هر دو گروه استفاده شد. تجزیه‌وتحلیل یافته‌ها با استفاده از آزمون Independent T-test نشان داد که در گروه تجربی بیان ژن ABCG8 در سلول‌های PBMN افزایش و نیمرخ لیپید بهبود یافت (05/0P≤). براساس یافته‌های تحقیق، بیان ژن ABCG8 پس از بازتوانی قلبی در سلول‌های PBMN یکی از سازوکارهای مربوط به انتقال معکوس کلسترول است که می‌تواند در پیشگیری از وقوع حملة مجدد قلبی پس از CABG مؤثر باشد.

کلیدواژه‌ها

عنوان مقاله [English]

The Effect of Cardiac Rehabilitation on Lipid Profile and ABCG8 Gene Expression in PBMC Cells after CABG in Middle-Aged Men

نویسندگان [English]

  • Mohsen Jafari 1
  • Amir Rashidlamir 2
  • Reza Nuri 3

1 Assistant Professor in Exercise Physiology, Department of Sport Sciences, Shirvan Branch, Islamic Azad University, Shirvan, Iran

2 Associate Professor in Exercise Physiology, Faculty of Sport Sciences, Ferdowsi University of Mashhad, Mashhad, Iran

3 Assistant Professor in Exercise Physiology, Department of Sport Sciences, Kish International Campus, University of Tehran, Kish, Iran

چکیده [English]

ABCG8 is a cellular membrane transport protein that induces cholesterol efflux. The aim of this study was to investigate the effects of a period of cardiac rehabilitation on ABCG8 gene expression. 20 middle-aged men (50 to 60 years old) that experienced CABG, were assigned to two groups (control (n=10) and experimental (n=10)). Aerobic exercises were performed for 8 weeks (3 sessions per week) with the intensity of 11 to 13 (moderate intensity on the basis of Borg scale) under the control of a physician. Blood samples were collected after 12 to 14 hours of fasting 48 hours before and 48 hours after the exercises. RTPCR method was used to examine the gene expression of ABCG8 in both groups. Analysis of data using independent t test showed that ABCG8 gene expression in PBMN cells increased and lipid profile improved in experimental group (P≤0.05). According to research findings, ABCG8 gene expression after cardiac rehabilitation in PBMN cells is one of the mechanisms related to reverse cholesterol transport that can affect the prevention of recurrent myocardial infarction after CABG.

کلیدواژه‌ها [English]

  • ABCG8
  • cardiac surgery
  • lipid profile
  • mononuclear cell
  • rehabilitation
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