Effects of zink deficiency and supplementation on some hematologic parameters of rats performing acute swimming exercise

Baltacı, Abdülkerim Kasım; Ozyurek, Kursat; Moğulkoç, Rasim; Kurtoğlu, Erdal; Öztekin, Esma; Kul, Aylin

doi:10.1556/aphysiol.90.2003.2.5

Cited by 16 publications

(13 citation statements)

References 23 publications

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“…When these two groups are compared, the exercising subjects had higher erythrocyte counts than the non-exercising individuals. This is consistent with previous studies conducted on humans and experimental animals (Baltaci et al, 2003;Dönmez et al, 2002;Kilic et al, 2004) where an increase of red blood cells was reported as a result of zincsupplementation. The fact that this parameter increased with exercise until exhaustion, suggests that is due to liquid loss resulting from intensified exercise.…”

Section: Discussionsupporting

confidence: 93%

“…The same happened for leukocyte subgroups such as neutrophils, lymphocytes, eosinophils and basophils. The increase of lymphocyte levels due to zinc-supplementation has been previously reported (Baltaci et al, 2003). Yet, another study demonstrated no change of leukocyte levels, which may be the result of different exercise and supplementation conditions (Banfi et al, 2006).…”

Section: Discussionmentioning

confidence: 67%

“…Previous studies have shown the effects of exercise and trace element supplementation on performance of athletes of different disciplines (Baltaci et al, 2003;Cinar et al, 2010;Lukaski, 2000).…”

Section: Discussionmentioning

confidence: 99%

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Effects of zinc supplementation on hematological parameters of high performance athletes

Polat¹

2011

Afr. J. Pharm. Pharmacol.

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The purpose of the present study is to determine the effect of eight weeks zinc supplementation on the erythrocyte and leukocyte counts and other hematological parameters in male kick boxers. Twenty-four subjects were included in the study. They were equally divided into three groups as follows: Group EZ, training and receiving 2.5 mg/kg zinc supplement per day; Group SZ, receiving the zinc supplement but no training and Group E, who exercised but received no supplement. Erythrocyte, platelet and leukocyte counts, hematocrit, hemoglobin and the mean corpuscular volume (MCV) were determined in blood samples taken from each participant at rest and exhaustion. The erythrocyte count of Group EZ was significantly higher than in the E and SZ groups, p < 0.001. The number of leukocytes was higher in the two groups that trained. The hemoglobin and hematocrit levels were increased in the EZ group (p < 0.05).The platelet number increased with exhaustion in the E and EZ groups (p < 0.001). The MCV values were lower in group EZ as compared to the other two groups. The E and EZ subjects had higher neutrophil counts (p < 0.05).These results suggest that the combined effects of exercise and zinc supplementation have a positive effect in the hematological parameters of athletes, which may result in better performance and increased endurance.

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Section: Discussionsupporting

confidence: 93%

Section: Discussionmentioning

confidence: 67%

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Effects of zinc supplementation on hematological parameters of high performance athletes

Polat¹

2011

Afr. J. Pharm. Pharmacol.

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“…On the other hand, several studies have found that zinc (Zn), a micronutrient involved in structural and regulatory functions in mammalian cells [15], could also be associated with erythrocytes production, hemoglobin [16], and serum testosterone levels [17,18].…”

Section: Introductionmentioning

confidence: 99%

High serum zinc and serum testosterone levels were associated with excessive erythrocytosis in men at high altitudes

et al. 2011

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Chronic mountain sickness (CMS), a lack of adaptation to altitude characterized by excessive erythrocytosis (EE), is a health problem associated with life at high altitude. The erythropoietic process is regulated by both erythropoietin and testosterone. Zinc (Zn) is known to be related with testosterone and hemoglobin levels; meanwhile, nitric oxide was also associated with adaptation to high altitude. The aim of this study was to determine the relationship of hemoglobin and CMS score with serum levels of zinc, total testosterone (TT), calculated free testosterone (cFT), bioavailable testosterone (BAT), hemoglobin, and nitric oxide in men at high altitude with or without EE. Men residing in Lima (150 m) and Cerro de Pasco (4,340 m), Peru, were divided into three groups: (1) low altitude, (2) high altitude without EE (hemoglobin < 21 g/dl), and (3) high altitude with EE (hemoglobin ≥ 21 g/dl). Adjusted multivariable regression models showed that serum testosterone (total or free) and Zn levels were independently correlated with increased hemoglobin levels. Similarly, hemoglobin was positively related with signs/symptoms of CMS; however, both increased the serum Zn and the nitric oxide levels correlated with reduced risk for signs/symptoms of CMS. In conclusion, higher serum testosterone levels and Zn levels were associated with EE, and low scores of signs/symptoms of CMS were associated with higher Zn and nitric oxide levels.

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“…14 The exercise was a one-time (lasting 30 min) acute swimming exercise. Experimental animals were made to swim at the end of the study and before decapitation in groups of two.…”

Section: Swimming Exercisementioning

confidence: 99%

Effect of acute swimming exercise on lactate levels and its relation with zinc in pinealectomized rats

Baltacı

Cumraligil

Kılıç

et al. 2006

Cell Biochemistry & Function

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It is argued that melatonin secreted from the pineal gland regulates the levels of zinc, which is an important trace element. Decreases in zinc levels of pinealectomized rats supports this relationship. There is an increasing amount of evidence suggesting that the pineal gland can have important effects on physical activity. The objective of the present study was to explore the changes in serum lactate levels in pinealectomized rats subjected to acute swimming exercise and its relation with zinc. Forty adult male rats of Spraque Dawley strain were equally allocated to four groups. Group 1: General Control Group. Group 2: Pinealectomized Control Group. Group 3: Swimming Control Group. Group 4: Pinealectomized Swimming Group. Serum zinc, melatonin and lactate levels were determined in the blood samples collected from the animals by a decapitation method. Zinc and melatonin levels were higher in Group 1 than in Groups 2, 3 and 4 (p < 0.01), higher in Group 3 than in Groups 2 and 4 (p < 0.01) and higher in Group 2 than in Group 4 (p < 0.01). The highest lactate levels were found in Group 4 (p < 0.01). Lactate levels in Group 3 were higher than those in Groups 1 and 2 (p < 0.01), while the levels in Groups 1 and 2 did not differ. Pinealectomy results in a significant increase in lactate levels in rats subjected to an acute swimming exercise. This increase in lactate levels may be associated with the decrease observed in zinc levels after pinealectomy.

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Effects of zink deficiency and supplementation on some hematologic parameters of rats performing acute swimming exercise

Cited by 16 publications

References 23 publications

Effects of zinc supplementation on hematological parameters of high performance athletes

Effects of zinc supplementation on hematological parameters of high performance athletes

High serum zinc and serum testosterone levels were associated with excessive erythrocytosis in men at high altitudes

Effect of acute swimming exercise on lactate levels and its relation with zinc in pinealectomized rats

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