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Superoxide dismutase as multipotent therapeutic antioxidant enzyme: Role in human diseases

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Abstract

Reactive oxygen species (ROS) is consistently recognized as a threat to living organisms, especially for human beings. For proper working of cellular signaling, functioning, and survival, a strict and balanced level of ROS is necessary. Superoxide dismutase (SOD); a group of metalloenzymes provides an important antioxidant defense mechanism, required to preserve the level of ROS in the body. The enzyme reveals the therapeutic potential against various diseases due to a deficiency in the ROS level. The review illustrates the numerous clinical aspects of SOD in various physiological and pathological conditions such as cancer, diabetes, arthritis, cardiovascular, neurodegenerative diseases, etc., with the mechanism of action. Despite limitations, the SOD enzyme has proved as a powerful tool against diseases, and various forms of conjugates and mimetics have been developed and reported to make it more efficient. Extensive studies need in this direction for use of natural SOD-based therapeutics for the prevention and cure of diseases.

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Source—all 3 structures of SOD taken from PDB database

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Abbreviations

ADAS-cog11:

Alzheimer’s Disease Assessment Scale-Cognitive Subscale

CDR sob:

Clinical dementia rating scale sum of boxes

DCs:

Dendritic cells

JAKs:

Janus kinases

MAPK:

Mitogen-activated protein kinase

MMSE:

Mini-mental state examination

NF-Κb:

Nuclear factor kappa-light-chain-enhancer of activated B cells

NK cells:

Natural killer cells

p-tau:

Phosphorylated tau-181

STATs:

Signal transducer and activator of transcription proteins

T cells:

T lymphocyte

TLR4:

Toll-like receptor 4

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Acknowledgements

The authors are thankful to Director, Amity Institute of Biotechnology, Amity University Uttar Pradesh, Noida, India for providing support during the work.

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Contributions

All authors contributed to the preparation of the manuscript. NC and SKK designed the study. Literature search and paper writing was done by PS. The final manuscript was prepared by PS under the supervision of NC. SKK co-supervised the manuscript and gave final comments.

Corresponding author

Correspondence to Nidhee Chaudhary.

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The authors declare no conflict of interest regarding the publication of this paper.

Ethical approval

This is an observational study and hence no ethical approval is required (as the research did not involve human or animal participation).

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Saxena, P., Selvaraj, K., Khare, S.K. et al. Superoxide dismutase as multipotent therapeutic antioxidant enzyme: Role in human diseases. Biotechnol Lett 44, 1–22 (2022). https://doi.org/10.1007/s10529-021-03200-3

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  • DOI: https://doi.org/10.1007/s10529-021-03200-3

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