A New Bioactive Sesquiterpenoid Quinone from the Mediterranean Sea Marine Sponge Dysidea avara

Author:

Hamed Ashraf Nageeb El-Sayed12,Wätjen Wim34,Schmitz Roland3,Chovolou Yvonni3,Edrada-Ebel RuAngelie5,Youssef Diaa T. A.6,Kamel Mohammed Salah2,Proksch Peter1

Affiliation:

1. Institut für Pharmazeutische Biologie und Biotechnologie, Heinrich-Heine-Universität, Universitätsstrasse 1, Geb. 26.23, 40225 Düsseldorf, Germany

2. Department of Pharmacognosy and Phytochemistry, Faculty of Pharmacy, Minia University, 61519 Minia, Egypt

3. Institut für Toxikologie, Postfach 101007, Heinrich-Heine-Universität, 40001 Düsseldorf, Germany

4. Martin-Luther-University Halle-Wittenberg, Faculty III, Institute of Agriculture and Food Science, Weinbergweg 22, 06120 Halle/Saale, Germany

5. Strathclyde Institute of Pharmacy and Biomedical Science, Strathclyde University, The John Arbuthnott Building, 27 Taylor Street, Glasgow G4 0NR, United Kingdom

6. Department of Natural Products, Faculty of Pharmacy, King Abdulaziz University, Jeddah, 21589, Kingdom of Saudi Arabia

Abstract

Investigation of the marine sponge Dysidea avara, family Dysideidae, afforded a new sesquiterpene (-)- N-methylmelemeleone-A (5), in addition to four known sesquiterpenes (+)-avarol (1), (+)-avarone (2), (-)-3′-methylaminoavarone (3) and (-)-4′-methylaminoavarone (4). The structure elucidation of compound 5 was based on 1D and 2D NMR spectroscopic, and HR-MS studies, as well as by comparison with the literature. Cytotoxicity, protein kinase inhibition, inhibition of NFkB-activity and insecticidal activity were evaluated for the isolated compounds.

Publisher

SAGE Publications

Subject

Complementary and alternative medicine,Plant Science,Drug Discovery,Pharmacology,General Medicine

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