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Biomarkers of disease severity in vivax malaria

  • Protozoology - Original Paper
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Abstract

Severe complications have been observed and established for Plasmodium falciparum as well as P. vivax infections worldwide. Although P. vivax infection is not fully acknowledged as malignant malaria, recently life-threatening complications have been reported to occur in many studies. The recognition of biomarkers with excellent sensitivity and reliability plays a prime role in disease management. Acute inflammatory response and oxidative stress are observed in malaria due to the production of reactive oxygen species. Lipid and protein oxidative injuries are prospective biomarkers for disease severity owing to the damage caused by the parasite. We have tried to find out whether protein carbonylation (PC), lipid peroxidation (LPO) and superoxide dismutase (SOD) could suffice as a biomarker for severe vivax malaria or not. Blood samples were collected from the individuals attending Jawaharlal Nehru Medical College of Aligarh Muslim University during the wet season of malaria transmission. Microscopy and rapid diagnostic kits were used as a tool for malaria diagnosis. A total of 214 subjects were enrolled for the study: 30 febrile controls and 184 subjects with vivax malaria. Protein carbonylation and lipid peroxidation were found to be directly associated with parasite count and total antioxidant status (TAS). Increase in oxidative stress was also observed in severe vivax malaria patients. Levels of uric acid and bilirubin too were raised in complicated cases. Protein carbonylation was found to be a more reliable indicator of vivax malaria severity than lipid peroxidation.

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Acknowledgements

We thank Prof. SMA Abidi (BBSRC-UK-funded molecular parasitology laboratory, Aligarh Muslim University) for providing the instrumentation facility. We also thank Prof. Sayeedul Hasan Arif, Chairman, Department of Pathology, JNMCH, for providing access to the patient’s reports.

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Correspondence to Sana Aqeel or Wajihullah Khan.

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The study was approved by the institutional ethical committee of the Jawaharlal Nehru Medical College, Aligarh Muslim University, Aligarh, India. All procedures performed in the study were in accordance with the 1964 Helsinki declaration and its later amendments.

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The authors declare no competing interests.

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Section Editor: Tobili Sam-Yellowe

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Aqeel, S., Naheda, A., Raza, A. et al. Biomarkers of disease severity in vivax malaria. Parasitol Res 120, 1437–1446 (2021). https://doi.org/10.1007/s00436-021-07065-3

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  • DOI: https://doi.org/10.1007/s00436-021-07065-3

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