Procerolides A-B from Microcionidae marine sponge Clathria procera: Anti-inflammatory macrocylic lactones with selective cyclooxygenase-2 attenuation properties

Chakraborty, Kajal and Francis, Prima (2021) Procerolides A-B from Microcionidae marine sponge Clathria procera: Anti-inflammatory macrocylic lactones with selective cyclooxygenase-2 attenuation properties. Bioorganic Chemistry, 109. pp. 1-6.

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Abstract

Cyclooxygenase-2 has been recognized to catalyze the formation of inflammatory prostaglandins from arachidonic acid. Attenuation potential against cyclooxygenase-2 coupled with greater anti-inflammatory selectivity index were contemplated to be vital indicators to assess anti-inflammatory activities of bioactive compounds. In the present study, two undescribed fourteen-membered macrocyclic lactones, procerolide A and B were isolated to homogeneity from the organic extract of the marine sponge Clathria procera (family: Microcionidae). Procerolide B exhibited greater attenuation potential against cyclooxygenase-2 (IC50 0.89 mM) than that displayed by procerolide A, whereas 5-lipoxygenase inhibitory activity of procerolide B (IC50 1.08 mM) was significantly greater than that displayed by procerolide A (IC50 0.95 mM) and anti-inflammatory agent ibuprofen (IC50 4.50 mM). Additionally, greater anti-inflammatory selectivity index of the procerolides (~1.3) than the synthetic agent (0.43) was accounted for the selective inhibition of the compounds towards cyclooxygenase-2. Higher electronic properties (topological polar surface area of > 100) along with lesser steric properties (molar volume < 300 cm3) of the compounds compared to the standard supported their significant anti-inflammatory potential. Additionally, procerolide B exhibited comparatively lesser binding energy with aminoacyl residues of cyclooxygenase-2 (-9.82 kcal/mol) thereby recognizing its prospective therapeutic use against inflammatory pathogenesis.

Item Type:	Article
Uncontrolled Keywords:	Clathria procera; Microcionidae Procerolides; A-B Anti-inflammatory macrocyclic lactones; Cyclooxygenase-2; In silico molecular docking
Subjects:	Biochemistry > Bioactive compounds Biochemistry
Divisions:	CMFRI-Kochi > Marine Biotechnology, Fish Nutrition and Health Division Subject Area > CMFRI > CMFRI-Kochi > Marine Biotechnology, Fish Nutrition and Health Division CMFRI-Kochi > Marine Biotechnology, Fish Nutrition and Health Division Subject Area > CMFRI-Kochi > Marine Biotechnology, Fish Nutrition and Health Division
Depositing User:	Arun Surendran
Date Deposited:	11 Feb 2021 06:29
Last Modified:	11 Feb 2021 06:29
URI:	http://eprints.cmfri.org.in/id/eprint/14897

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