ArticleMedical science monitor : international medical journal of experimental and clinical research2015
Reduction of Leukocyte Counts by Hydroxyurea Improves Cardiac Function in Rats with Acute Myocardial Infarction.
Article in Medical science monitor : international medical journal of experimental and clinical research, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed, 3 citations in OpenAlex.
- Time course of cardiac rupture after acute myocardial infarction and comparison of clinical features of different rupture types.Frontiers in cardiovascular medicine · 2024Article
- Screening and identification of potential protein biomarkers for the early diagnosis of acute myocardial infarction.Annals of translational medicine · 2021Article
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Authors and funding
5 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND This study aimed to decrease leukocytes counts by hydroxyurea (Hu) in an acute myocardial infarction (AMI) rat model and examine its effect on the inflammatory response of myocardial infarction and cardiac functions. MATERIAL AND METHODS AMI was successfully caused in 36 rats, and 12 control rats received sham operation. Rats in the AMI group were then randomly divided into Hu and vehicle group with 18 rats each. Rats in the Hu AMI group received Hu (200 mg/kg) intragastrically while vehicle AMI group received saline. Leukocytes counts, cardiac functions, myocardial tissue morphology, and levels of soluble intercellular adhesion molecule-1 (sICAM), P-selectin and platelet activating factor (PAF) were measured and compared among the three groups four weeks after AMI induction. RESULTS Leukocytes, neutrophils, and leukomonocyte counts in vehicle AMI rats were significantly higher than that of the normal control group (p<0.05). However, Hu treatment decreased their counts significantly (p<0.05). sICAM, P-selectin, and PAF level in vehicle AMI group were significantly higher than those of the normal group, and their level was also decreased by Hu treatment (p<0.05). Echocardiography analysis showed that Hu treatment increased left ventricular ejection fraction (LVEF) and left ventricular fractional shortening (LVFS) compared to that of vehicle AMI group (p<0.05). Histopathological examination showed that Hu significantly reduced the swelling of the heart muscle fiber in necrotic foci and the number of inflammatory cells infiltrated into myocardial interstitium compared to vehicle AMI group. CONCLUSIONS Decrease leukocytes counts by Hu significantly reduced inflammatory reaction and improved cardiac functions in AMI rats.
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