Preprint Article Version 2 Preserved in Portico This version is not peer-reviewed

Exploratory Analysis into the in vitro and in silico Activity of E. fusca Lour. (Fabaceae) Elucidates Substantial Antiplasmodial Activity of the Plant

Version 1 : Received: 27 October 2020 / Approved: 28 October 2020 / Online: 28 October 2020 (09:59:54 CET)
Version 2 : Received: 21 October 2021 / Approved: 21 October 2021 / Online: 21 October 2021 (12:08:52 CEST)

How to cite: Sazed, S.A.; Islam, O.; Bliese, S.L.; Hossainey, M.R.H.; Shawon, J.; Mahmud, A.; Soma, M.A.; Rashid, M.A.; Rahman, M.S.; Ghosh, P.; Alam, M.S. Exploratory Analysis into the in vitro and in silico Activity of E. fusca Lour. (Fabaceae) Elucidates Substantial Antiplasmodial Activity of the Plant. Preprints 2020, 2020100576 (doi: 10.20944/preprints202010.0576.v2). Sazed, S.A.; Islam, O.; Bliese, S.L.; Hossainey, M.R.H.; Shawon, J.; Mahmud, A.; Soma, M.A.; Rashid, M.A.; Rahman, M.S.; Ghosh, P.; Alam, M.S. Exploratory Analysis into the in vitro and in silico Activity of E. fusca Lour. (Fabaceae) Elucidates Substantial Antiplasmodial Activity of the Plant. Preprints 2020, 2020100576 (doi: 10.20944/preprints202010.0576.v2).

Abstract

The exploration of alternative antimalarial therapeutics is a requisite for the emergence of resistance against Artemisinin. Considering the required cost and time length of classical small molecule drug discovery process, phytochemical screening of traditionally used medicinal plant which are repertoire of active compounds with antimalarial activity has become popular. To investigate the antimalarial property of traditionally used medicinal plants, a number of Erythrina spp have been reviewed systematically where less studied E. fusca has been selected for further analysis. Phytochemical investigation yielded five compounds namely; Phaseolin, Phytol, β-amyrin, Lupeol, and Stigmasterol. In-vitro antimalarial drug sensitivity HRP-II ELISA was carried out against chloroquine (CQ) sensitive 3D7 and CQ-resistant Dd2 strains. Extracts showed significant antimalarial activity against 3D7 and Dd2 strains (IC50 4.94 – 22 µg/mL) and these compounds have been reported here for the first time. Molecular docking analysis showed high binding energy (−9.0 ± 0.32 kcal/mole) indicating high degree of interaction between Phaseolin and 14 clinically important Plasmodium falciparum proteins at the active site. Stable interaction was also observed between ligand and protein from molecular dynamics simulation analysis with high free energy (−75.156 ± 11.459) that substantiates the potential of Phaseolin as an antimalarial drug candidate.

Keywords

Antimalarial; Erythrina fusca; Phaseolin; Molecular docking; Phytochemical analysis

Subject

CHEMISTRY, Medicinal Chemistry

Comments (1)

Comment 1
Received: 21 October 2021
Commenter: Saiful Arefeen Sazed
Commenter's Conflict of Interests: Author
Comment: Except for the Malaria part, almost the whole manuscript has been changed.
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