اثر مسابقه رسمی بر زیرگروههای لکوسیتی خون و ایمونوگلوبولینهای سرمی کاراته کاران جوان

نوع مقاله : علمی - پژوهشی

نویسندگان

1 دانشگاه آزاد ایلام

2 دانشگاه آزاد واحد ایلام

چکیده

هدف تحقیق: استرس از عوامل محرک سیستم ایمنی است. نشان شده است، استرس روانی ناشی مسابقه با ایجاد تغییراتی در سیستم ایمنی، آمادگی بیماری­های عفونی در ورزشکاران را بیش از فعالیت­های ورزشی معمول افزایش می­دهد. بنابراین، مطالعه حاضر با هدف بررسی اثر مسابقه رسمی بر شمار لکوسیت­ها، زیرگروههای آن، غلظت ایمونوگلوبولین­های A (IgA)، G (IgG) و کورتیزول سرمی در کاراته­ کاران جوان اجرا شد.روش­شناسی تحقیق: ده مرد جوان کاراته­ کار (میانگین سن 6/2±9/22 سال، قد 3/8±4/176 سانتی­متر و شاخص توده بدن (BMI) 5/1±2/21 کیلوگرم بر متر مربع) راه یافته به مسابقه پایانی قهرمانی استان ایلام، آزمودنی­های این پژوهش بودند. نمونه­ های خون جهت اندازه­گیری شمار لکوسیت­ها، نوتروفیل­ها، لنفوسیت­ها، منوسیت­ها و ائوزینوفیل­های  خون و نیز غلظت IgA، IgG و کورتیزول سرمی پیش، بلافاصله و دو ساعت پس از مسابقه جمع­ آوری شد.نتایج: شمار لکوسیت­ها، لنفوسیت­ها و منوسیت­ها بلافاصله پس از مسابقه افزایش ولی دو ساعت پس از آن به سطح اولیه بازگشت (05/0p<). شمار نوتروفیل­ها و ائوزینوفیل­ها در اثر مسابقه تغییری نداشت (05/0p>). غلظت IgA (037/0p=) و  IgG (04/0p=) بلافاصله پس از مسابقه کاهش  یافت اما دو ساعت پس از مسابقه به سطح اولیه رسید. همچنین، غلظت کورتیزول بلافاصله پس از مسابقه افزایش (002/0p=) ولی دو ساعت پس از آن نسبت به قبل (003/0p=) و بلافاصله پس از مسابقه (001/0p=) کاهش  یافت.بحث و نتیجه­ گیری: بر اساس نتایج این مطالعه، تغییرات سیستم ایمنی سلولی و هومورال کاراته­ کاران جوان در اثر مسابقه­ ورزشی یکسان نیست. همچنین، دوره دو ساعته استراحت پس از مسابقه برای بازیافت تغییرات ایجاد شده در شمار لکوسیت­ها، زیرگروههای آن و غلظت ایمونوگلوبولین­های سرمی کافی به­ نظر می­رسد.

کلیدواژه‌ها


عنوان مقاله [English]

The effect of Offical Competition on Subsets of Blood Leucocyte and Serum Immunoglobolins in Men Karateka

چکیده [English]

Purpose: Stress is from factors that stimulat the immune system. It is shown that, psychological stress induced competition with alternation of immune system, predispose the athletes to infectious diseases more than common exercise. Therefore, the purpose of this study was to examine the effects of offical sport competition on leucocyte and subsets counts, immunoglobulin A (IgA), G (IgG) and cortisol levels in men karateka.
Methods: Ten young men karateka (ages: 22.9±2.6 yr, height 176.4±8.3 cm, and body mass index 21.2±1.5 kg/m2), that acceded to final competition of Ilam province was selected as subjects of this study. Blood sample were collected to measure leukocytes, neutrophils, lymphocytes, monocytes, eosinophils count and IgA, IgG and cortisol levels before, immediately and 2 hours after competition.
Results: The leucocyts (p=0.001), lymphocytes (p=0.001) and monocytes (p=0.003) count was increased immediately after competition, and return to baseline 2 h after competition. Neutrophils and eosinophils count was not change immediately and 2 h after competition (p>0.05). The IgA (p=0.037) and IgG (p=0.04) level was decreased immediately after competition and return to baseline 2 h after competition. Also, the cortisol level was increased immediately after competition (p=0.0001), and decreased 2 h after compared to before (p=0.01) and immediately (p=0.001) after competition.
Conclusions: This findings showed that, alternations in the cellular and humoral immunity induce official karate competition not similar in young karateka. Also, 2 h rest after competition is sufficient to recovery of leucocyte, subsets counts and immunoglobulins changing induced competitions.

کلیدواژه‌ها [English]

  • Immunoglobolin- Sport Competition- Immune- Cortisol- Stress
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