Mar. Drugs 2014, 12(5), 2937-2952; doi:10.3390/md12052937
Communication

Isolation and Identification of Antitrypanosomal and Antimycobacterial Active Steroids from the Sponge Haliclona simulans

1,* email, 1email, 1email, 1email, 1email, 1email, 2email, 2email and 1,* email
Received: 30 January 2014; in revised form: 25 April 2014 / Accepted: 28 April 2014 / Published: 16 May 2014
(This article belongs to the Special Issue Bioactive Compounds from Marine Invertebrates)
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract: The marine sponge Haliclona simulans collected from the Irish Sea yielded two new steroids: 24-vinyl-cholest-9-ene-3β,24-diol and 20-methyl-pregn-6-en-3β-ol,5a,8a-epidioxy, along with the widely distributed 24-methylenecholesterol. One of the steroids possesses an unusually short hydrocarbon side chain. The structures were elucidated using nuclear magnetic resonance spectroscopy and confirmed using electron impact- and high resolution electrospray-mass spectrometry. All three steroids possess antitrypanosomal and anti-mycobacterial activity. All the steroids were found to possess low cytotoxicity against Hs27 which was above their detected antitrypanosomal potent concentrations.
Keywords: Haliclona simulans; marine sponges; steroids; antitrypanosomal; anti-mycobacterial
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MDPI and ACS Style

Viegelmann, C.; Parker, J.; Ooi, T.; Clements, C.; Abbott, G.; Young, L.; Kennedy, J.; Dobson, A.D.W.; Edrada-Ebel, R. Isolation and Identification of Antitrypanosomal and Antimycobacterial Active Steroids from the Sponge Haliclona simulans. Mar. Drugs 2014, 12, 2937-2952.

AMA Style

Viegelmann C, Parker J, Ooi T, Clements C, Abbott G, Young L, Kennedy J, Dobson ADW, Edrada-Ebel R. Isolation and Identification of Antitrypanosomal and Antimycobacterial Active Steroids from the Sponge Haliclona simulans. Marine Drugs. 2014; 12(5):2937-2952.

Chicago/Turabian Style

Viegelmann, Christina; Parker, Jennifer; Ooi, Thengtheng; Clements, Carol; Abbott, Gráinne; Young, Louise; Kennedy, Jonathan; Dobson, Alan D.W.; Edrada-Ebel, RuAngelie. 2014. "Isolation and Identification of Antitrypanosomal and Antimycobacterial Active Steroids from the Sponge Haliclona simulans." Mar. Drugs 12, no. 5: 2937-2952.

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