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Marine Drugs, Volume 15, Issue 10

October 2017 - 36 articles

Cover Story: The Conus genus includes around 500 species of marine mollusks producing venomous peptides known as Conotoxins classified into 16 superfamilies. Among these, µ-Conotoxins are potent and specific blockers of voltage-gated sodium channels, which consists of one α-subunit and two auxiliary β-subunits. The α-subunit comprised of four homologue domains (I-IV), each consisting of six transmembrane helices (S1–S6). Helices S5 and S6 form the channel pore while S1–S4 form the voltage sensor. β-subunits contain immunoglobulin-like folds. Sodium channels are responsible for the influx of sodium ions that generates the action potential in excitable cells. Hyperexcitability results in pain perception and transmission. The μ-conotoxins bind the pore region of sodium channels preventing ion conductance, so they may represent potential analgesic compounds in the clinical management of pain conditions. View this paper
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Articles (36)

  • Review
  • Open Access
29 Citations
9,044 Views
19 Pages

24 October 2017

Marine organisms are prolific resources of guanidine-containing natural products with intriguing structures and promising biological activities. These molecules have therefore attracted the attention of chemists and biologists for their further studi...

  • Article
  • Open Access
20 Citations
5,886 Views
16 Pages

Growth, Toxin Production and Allelopathic Effects of Pseudo-nitzschia multiseries under Iron-Enriched Conditions

  • Bruna Fernanda Sobrinho,
  • Luana Mocelin De Camargo,
  • Leonardo Sandrini-Neto,
  • Cristian Rafael Kleemann,
  • Eunice da Costa Machado and
  • Luiz Laureno Mafra

24 October 2017

In order to assess the effects of Fe-enrichment on the growth and domoic acid (DA) production of the toxigenic diatom Pseudo-nitzschia multiseries, static cultures that received the addition of different iron (Fe) concentrations were maintained for 3...

  • Article
  • Open Access
96 Citations
9,249 Views
13 Pages

Release Behavior and Antibacterial Activity of Chitosan/Alginate Blends with Aloe vera and Silver Nanoparticles

  • Luisa Fernanda Gómez Chabala,
  • Claudia Elena Echeverri Cuartas and
  • Martha Elena Londoño López

24 October 2017

Aloe vera is a perennial plant employed for medical, pharmaceutical and cosmetic purposes that is rich in amino acids, enzymes, vitamins and polysaccharides, which are responsible for its therapeutic properties. Incorporating these properties into a...

  • Feature Paper
  • Review
  • Open Access
76 Citations
6,760 Views
44 Pages

Marine-Derived Penicillium Species as Producers of Cytotoxic Metabolites

  • Sen Liu,
  • Mingzhi Su,
  • Shao-Jiang Song and
  • Jee H. Jung

24 October 2017

Since the discovery of penicillin, Penicillium has become one of the most attractive fungal genera for the production of bioactive molecules. Marine-derived Penicillium has provided numerous excellent pharmaceutical leads over the past decades. In th...

  • Article
  • Open Access
12 Citations
3,956 Views
14 Pages

24 October 2017

A DTX-1-producing microalga, Prorocentrum foraminosum, from Peter the Great Bay, Sea of Japan, was fed to Gray’s mussels, Crenomytilus grayanus, for 12 days. An increase in DTX-1 and 7-O-acyl-DTX-1 (DTX-3) was observed in the digestive gland, kidneys...

  • Article
  • Open Access
46 Citations
6,807 Views
13 Pages

Anti-Inflammatory Cembranoids from the Soft Coral Lobophytum crassum

  • Kuei-Hung Lai,
  • Wan-Jing You,
  • Chi-Chen Lin,
  • Mohamed El-Shazly,
  • Zuo-Jian Liao and
  • Jui-Hsin Su

23 October 2017

Abstract: Cembrane-type diterpenoids are among the most frequently encountered natural products from the soft corals of the genus Lobophytum. In the course of our investigation to identify anti-inflammatory constituents from a wild-type soft coral Lo...

  • Review
  • Open Access
166 Citations
15,513 Views
29 Pages

Mycosporine-Like Amino Acids: Potential Health and Beauty Ingredients

  • Ewelina Chrapusta,
  • Ariel Kaminski,
  • Kornelia Duchnik,
  • Beata Bober,
  • Michal Adamski and
  • Jan Bialczyk

21 October 2017

Human skin is constantly exposed to damaging ultraviolet radiation (UVR), which induces a number of acute and chronic disorders. To reduce the risk of UV-induced skin injury, people apply an additional external protection in the form of cosmetic prod...

  • Review
  • Open Access
18 Citations
5,033 Views
13 Pages

Pleiotropic Role of Puupehenones in Biomedical Research

  • Beatriz Martínez-Poveda,
  • Ana R. Quesada and
  • Miguel Ángel Medina

21 October 2017

Marine sponges represent a vast source of metabolites with very interesting potential biomedical applications. Puupehenones are sesquiterpene quinones isolated from sponges of the orders Verongida and Dictyoceratida. This family of chemical compounds...

  • Feature Paper
  • Article
  • Open Access
13 Citations
4,840 Views
13 Pages

20 October 2017

Neopeltolide, an antiproliferative marine macrolide, is known to specifically inhibit complex III of the mitochondrial electron transport chain (mETC). However, details of the biological mode-of-action(s) remain largely unknown. This work demonstrate...

  • Article
  • Open Access
78 Citations
7,913 Views
10 Pages

20 October 2017

3,6-Anhydro-l-galactose (AHG), a major monomeric constituent of red macroalgae (Rhodophyta), was recently reported to possess skin whitening activity. Moreover, AHG-containing oligosaccharides, such as agarooligosaccharides (AOSs) and neoagarooligosa...

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Mar. Drugs - ISSN 1660-3397Creative Common CC BY license