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Expression of Diaphragmatic Myostatin and Correlation with Apoptosis in Rats with Chronic Obstructive Pulmonary Disease

Overview
Journal Exp Ther Med
Specialty Pathology
Date 2018 Feb 20
PMID 29456636
Citations 9
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Abstract

Chronic obstructive pulmonary disease (COPD) is characterized by progressive airflow limitation and loss of lung function. The present study aimed to investigate the diaphragmatic protein expression of myostatin and its correlation with apoptosis in a rat model of CPOD. Sprague Dawley rats were randomly divided into a control group and a COPD group, the latter of which were exposed to cigarette smoke to build a rat model of COPD. The validity of the COPD model was evaluated by assessment of lung function and histopathological analysis. Diaphragmatic myostatin expression and apoptosis were measured by western blot and terminal deoxynucleotidyl transferase deoxyuridine triphosphate nick end labeling, respectively. The rat model of COPD was efficiently established by cigarette smoke exposure. Diaphragmatic myostatin expression and apoptotic index in COPD rats were obviously increased as compared with that in the control animals. A positive correlation between diaphragmatic myostatin expression and apoptotic index was identified (r=0.857). Diaphragmatic myostatin overexpression in rats with COPD may promote diaphragmatic apoptosis and atrophy, leading to diaphragm weakness and respiratory muscle dysfunction, which is involved in the pathology of COPD.

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References
1.
Margaritopoulos G, Vasarmidi E, Jacob J, Wells A, Antoniou K . Smoking and interstitial lung diseases. Eur Respir Rev. 2015; 24(137):428-35. PMC: 9487692. DOI: 10.1183/16000617.0050-2015. View

2.
Elkasrawy M, Hamrick M . Myostatin (GDF-8) as a key factor linking muscle mass and bone structure. J Musculoskelet Neuronal Interact. 2010; 10(1):56-63. PMC: 3753581. View

3.
Hillas G, Nikolakopoulou S, Hussain S, Vassilakopoulos T . Antioxidants and mucolytics in COPD management: when (if ever) and in whom?. Curr Drug Targets. 2012; 14(2):225-34. DOI: 10.2174/1389450111314020007. View

4.
Testelmans D, Crul T, Maes K, Agten A, Crombach M, Decramer M . Atrophy and hypertrophy signalling in the diaphragm of patients with COPD. Eur Respir J. 2009; 35(3):549-56. DOI: 10.1183/09031936.00091108. View

5.
Fricker M, Deane A, Hansbro P . Animal models of chronic obstructive pulmonary disease. Expert Opin Drug Discov. 2014; 9(6):629-45. DOI: 10.1517/17460441.2014.909805. View