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Cyanobacterial pigment protein allophycocyanin exhibits longevity and reduces Aβ-mediated paralysis in C. elegans: complicity of FOXO and NRF2 ortholog DAF-16 and SKN-1

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Abstract

The allophycocyanin (APC) protein purified from Phormidium sp. A09DM was investigated for its in vivo antioxidant and anti-aging potential in Caenorhabditis elegans. An increased mean lifespan of APC-treated (100 μg/ml) worms (wild type) were observed from 16 ± 0.2 days (control) to 20 ± 0.1 days (treated). APC-treated worms also showed improved physiological marker of aging such as the rate of pharyngeal pumping and higher rate of survival against oxidative and thermal stress. Furthermore, APC was found to moderate the expression of human amyloid beta (Aβ1–42) as well as associated Aβ-induced paralysis in the transgenic C. elegans CL4176 upon increase in temperature. Furthermore, RNA interference (RNAi)-mediated studies revealed the dependence of downstream regulator daf-16, independent of stress-induced resistance gene skn-1 in the APC treated C. elegans. In the present study, we tried to demonstrate the anti-aging activity, longevity and protective effects of APC against cellular stress in C. elegans, which can lead to the use of this biomolecule in drug development for age-related disorders.

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Abbreviations

C. elegans :

Caenorhabditis elegans

PE:

Phycoerythrin

PC:

Phycocyanin

NGM:

Nematode growth medium agar plate

CGC:

Caenorhabditis Genetic Center

ROS:

Reactive oxygen species

Aβ:

Amyloid-beta

PBP:

Phycobiliprotein

SDS:

Sodium dodecyl sulfate

PAGE:

Polyacrylamide gel electrophoresis

L4:

Larval stage 4

H2O2 :

Hydrogen peroxide

DCFH-DA:

Dichloro-dihydro-fluorescein-diacetate

PQ:

Paraquat

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Acknowledgements

NKS acknowledges Science and Engineering Research Board (SERB), Department of Science and Technology (DST), Ministry of Science and Technology, Government of India, for Young Scientist fellowship under the scheme of startup research grant (SB/YS/LS-290/2013). MGC also acknowledges SERB for Senior Research Fellowship under the scheme of startup research grant (SB/YS/LS-290/2013).

Funding

The research was supported by the Department of Science and Technology (DST), Ministry of Science and Technology, Government of India under the scheme of startup research grant (SB/YS/LS-290/2013)

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Authors and Affiliations

Authors

Contributions

Conceptualization: MGC, SNP; DM, RPR, NKS. Methodology: MGC, SNP; DM, NKS, RPR. Formal analysis and investigation: MGC, SNP; DM, NKS, RPR. Writing—original draft preparation: MGC. Writing—review and editing: DM, NKS, RPR. Resources: Shri. A. N. Patel P. G. Institute of Science and Research, Anand, Post Graduate Department of Bioscience, Sardar Patel University, Anand. Supervision: NKS, RPR.

Corresponding authors

Correspondence to Rajesh Prasad Rastogi or Niraj Kumar Singh.

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Conflict of interest

Mukesh Ghanshyam Chaubey, Stuti Nareshkumar Patel, Rajesh Prasad Rastogi, Datta Madamwar and Niraj kumar Singh declare that they have no conflict of interest.

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No human or animal rights are applicable to this study.

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Chaubey, M.G., Patel, S.N., Rastogi, R.P. et al. Cyanobacterial pigment protein allophycocyanin exhibits longevity and reduces Aβ-mediated paralysis in C. elegans: complicity of FOXO and NRF2 ortholog DAF-16 and SKN-1. 3 Biotech 10, 332 (2020). https://doi.org/10.1007/s13205-020-02314-1

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  • DOI: https://doi.org/10.1007/s13205-020-02314-1

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