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Marine Drugs, Volume 15, Issue 3

2017 March - 33 articles

Cover Story: Tetrodotoxin (TTX) is a potent neurotoxin that acts specifically on voltage-gated sodium channels on excitable membranes of muscle and nerve tissues. The biosynthetic process for TTX is unclear, although marine bacteria are generally thought to be the primary producers. The marine flatworm Planocera multitentaculata is a known TTX-bearing organism, and is suspected to be a TTX supplier to pufferfish. In this study, the TTX content of the flatworm was measured using LC-MS/MS, and seasonal changes in TTX content were investigated. No significant difference in TTX concentration of the flatworm body was found between the spawning period and other periods. However, the TTX content in individual flatworms was significantly higher in the spawning period than at other times. The TTX content rose in association with an increase in the body weight of the flatworm. View this paper
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Articles (33)

  • Article
  • Open Access
24 Citations
7,707 Views
19 Pages

An Extract from Shrimp Processing By-Products Protects SH-SY5Y Cells from Neurotoxicity Induced by Aβ25–35

  • Yongping Zhang,
  • Guangling Jiao,
  • Cai Song,
  • Shelly Gu,
  • Richard E. Brown,
  • Junzeng Zhang,
  • Pingcheng Zhang,
  • Jacques Gagnon,
  • Steven Locke and
  • Hongyu Lu
  • + 3 authors

22 March 2017

Increased evidence suggests that marine unsaturated fatty acids (FAs) can protect neurons from amyloid-β (Aβ)-induced neurodegeneration. Nuclear magnetic resonance (NMR), high performance liquid chromatography (HPLC) and gas chromatography (GC) assay...

  • Article
  • Open Access
7 Citations
4,713 Views
9 Pages

22 March 2017

Two prenylated indole alkaloids were isolated from the ethyl acetate extracts of a marine-derived fungus Penicillium sp. NH-SL and one of them exhibited potent cytotoxic activity against mouse hepa 1c1c7 cells. In order to detect other bioactive anal...

  • Article
  • Open Access
46 Citations
7,315 Views
16 Pages

21 March 2017

Polyunsaturated fatty acids (PUFAs) have been acknowledged as essential nutrients for cephalopods but the specific PUFAs that satisfy the physiological requirements are unknown. To expand our previous investigations on characterisation of desaturases...

  • Article
  • Open Access
17 Citations
7,501 Views
18 Pages

20 March 2017

Marine algae represent an important source of novel natural products. While their bioactive potential has been studied to some extent, limited information is available on marine algae from the Red Sea. This study aimed at the broad discovery of new b...

  • Article
  • Open Access
23 Citations
6,546 Views
13 Pages

Marine Diterpenes: Molecular Modeling of Thrombin Inhibitors with Potential Biotechnological Application as an Antithrombotic

  • Rebeca Cristina Costa Pereira,
  • André Luiz Lourenço,
  • Luciana Terra,
  • Paula Alvarez Abreu,
  • Valéria Laneuville Teixeira and
  • Helena Carla Castro

20 March 2017

Thrombosis related diseases are among the main causes of death and incapacity in the world. Despite the existence of antithrombotic agents available for therapy, they still present adverse effects like hemorrhagic risks which justify the search for n...

  • Review
  • Open Access
15 Citations
9,501 Views
25 Pages

Metabolic Disorder in Chronic Obstructive Pulmonary Disease (COPD) Patients: Towards a Personalized Approach Using Marine Drug Derivatives

  • Palma Lamonaca,
  • Giulia Prinzi,
  • Aliaksei Kisialiou,
  • Vittorio Cardaci,
  • Massimo Fini and
  • Patrizia Russo

20 March 2017

Metabolic disorder has been frequently observed in chronic obstructive pulmonary disease (COPD) patients. However, the exact correlation between obesity, which is a complex metabolic disorder, and COPD remains controversial. The current study summari...

  • Review
  • Open Access
30 Citations
6,049 Views
16 Pages

Phakellistatins: An Underwater Unsolved Puzzle

  • Alessandra Meli,
  • Consiglia Tedesco,
  • Giorgio Della Sala,
  • Rosaria Schettini,
  • Fernando Albericio,
  • Francesco De Riccardis and
  • Irene Izzo

18 March 2017

A critical summary on the discovery of the nineteen members of the phakellistatin family (phakellistatin 1–19), cytotoxic proline-rich cyclopeptides of marine origin, is reported. Isolation, structural elucidation, and biological properties of the va...

  • Article
  • Open Access
30 Citations
6,070 Views
14 Pages

16 March 2017

Bromodomains (BRD) are readers of the epigenetic code that regulate gene transcription through their recognition of acetyl-lysine modified histone tails. Recently, bromodomain-containing proteins such as BRD4 have been demonstrated to be druggable th...

  • Article
  • Open Access
107 Citations
7,791 Views
13 Pages

Protective Effects of Fucoidan on Aβ25–35 and d-Gal-Induced Neurotoxicity in PC12 Cells and d-Gal-Induced Cognitive Dysfunction in Mice

  • Hengyun Wei,
  • Zixiang Gao,
  • Luping Zheng,
  • Cuili Zhang,
  • Zundong Liu,
  • Yazong Yang,
  • Hongming Teng,
  • Lin Hou,
  • Yuling Yin and
  • Xiangyang Zou

16 March 2017

Alzheimer’s disease (AD) is a chronic neurodegenerative disease which contributes to memory loss and cognitive decline in the elderly. Fucoidan, extracted from brown algae, is a complex sulfated polysaccharide and potential bioactive compound. In thi...

  • Article
  • Open Access
35 Citations
6,716 Views
12 Pages

15 March 2017

Background: Parenteral nutrition is often a mandatory therapeutic strategy for cases of septicemia. Likewise, therapeutic application of anti-oxidants, anti-inflammatory therapy, and endotoxin lowering, by removal or inactivation, might be beneficial...

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Mar. Drugs - ISSN 1660-3397