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Marine Drugs, Volume 23, Issue 7

July 2025 - 35 articles

Cover Story: HTS of the NatureBank marine extract library (n = 7,616) identified promising anthelmintic activity in an extract from the Australian sponge Agelas axifera against the nematode Haemonchus contortus. Bioassay-guided fractionation identified a new diterpene alkaloid, agelasine Z, along with known compounds agelasine B and oxoagelasine B. The absolute configuration of agelasine Z was determined via TDDFT-ECD calculations. All compounds, including agelasine D from NatureBank’s compound library, were evaluated against exsheathed third-stage (xL3) and fourth-stage (L4) larvae of H. contortus. Agelasines Z, B, and D induced an abnormal “skinny” phenotype; two compounds affected L4 motility. The unexpected lability of agelasine H-8′ was explored using kinetic studies, revealing rapid deuterium exchange in MeOH-d4 at room temperature. View this paper
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Articles (35)

  • Review
  • Open Access
1 Citations
1,738 Views
18 Pages

Bioactive Peptides Derived from Tuna: Screening, Extraction, Bioactivity, and Mechanism of Action

  • Jing-an Cheng,
  • Di Wang,
  • Gang Yu,
  • Shengjun Chen,
  • Zhenhua Ma,
  • Ya Wei,
  • Xue Zhao,
  • Chunsheng Li,
  • Yueqi Wang and
  • Yi Zhang
  • + 2 authors

21 July 2025

Peptides play a crucial role in the development of pharmaceuticals and functional foods. Multiple studies have shown that natural bioactive peptides possess antioxidant, antihypertensive, anti-tumor, and anti-inflammatory activities. Marine bioactive...

  • Article
  • Open Access
1,474 Views
25 Pages

A Marine-Derived Steroid from Rhodococcus sp., 3,12-Dioxochola-4,6-dien-24-oic Acid, Enhances Skin Re-Epithelialization and Tissue Repair

  • Mücahit Varlı,
  • Hui Tan,
  • Chaeyoung Lee,
  • Jeongyun Lee,
  • Ji Young Lee,
  • Jeong-Hyeon Kim,
  • Songyi Lee,
  • Hangun Kim and
  • Sang-Jip Nam

19 July 2025

The discovery of bioactive natural compounds from microbes holds promise for regenerative medicine. In this study, we identified and characterized a steroid-like compound, 3,12-dioxochola-4,6-dien-24-oic acid (DOCDA), from a crude extract of Rhodococ...

  • Article
  • Open Access
1 Citations
1,434 Views
17 Pages

17 July 2025

To identify differentially abundant polyketide synthases (PKSs) and to characterize the biochemical consequences of brevetoxin biosynthesis, bottom-up, TMT-based quantitative proteomics and redox proteomics were conducted to compare two strains of th...

  • Article
  • Open Access
2 Citations
1,437 Views
16 Pages

Chlorella pyrenoidosa Polysaccharide CPP-3a Promotes M1 Polarization of Macrophages via TLR4/2-MyD88-NF-κB/p38 MAPK Signaling Pathways

  • Yihua Pi,
  • Qingxia Yuan,
  • Shaoting Qin,
  • Chundie Lan,
  • Qingdong Nong,
  • Chenxia Yun,
  • Haibo Tang,
  • Jing Leng,
  • Jian Xiao and
  • Longyan Zhao
  • + 1 author

16 July 2025

The immunomodulatory polysaccharide CPP-3a, purified from Chlorella pyrenoidosa, was investigated for its effects on RAW264.7 macrophages and underlying mechanisms, revealing that CPP-3a significantly enhanced phagocytic capacity and nitric oxide pro...

  • Article
  • Open Access
1 Citations
1,328 Views
14 Pages

The Novel Diketopiperazine Derivative, Compound 5-3, Selectively Inhibited the Proliferation of FLT3-ITD Mutant Acute Myeloid Leukemia (AML) Cells

  • Shijie Bi,
  • Yating Cao,
  • Shiyuan Fang,
  • Yanyan Chu,
  • Zixuan Zhang,
  • Meng Li,
  • Rilei Yu,
  • Jinbo Yang,
  • Yu Tang and
  • Peiju Qiu

16 July 2025

The internal tandem duplication mutation of FMS-like tyrosine kinase 3 (FLT3-ITD) is associated with high recurrence and mortality rates in acute myeloid leukemia (AML), making it a critical target for anti-AML therapies. Plinabulin is a diketopipera...

  • Review
  • Open Access
4 Citations
2,244 Views
23 Pages

Multifaceted Marine Peptides and Their Therapeutic Potential

  • Svetlana V. Guryanova and
  • Tatiana V. Ovchinnikova

15 July 2025

Marine peptides, derived from a great number of aquatic organisms, exhibit a broad spectrum of biological activities that hold a significant therapeutic potential. This article reviews the multifaceted roles of marine peptides, focusing on their anti...

  • Article
  • Open Access
2,089 Views
15 Pages

Rosmarinic Acid Protects Against Acetaminophen-Induced Hepatotoxicity by Suppressing Ferroptosis and Oxidative Stress Through Nrf2/HO-1 Activation in Mice

  • Liqin Wu,
  • Li Lv,
  • Yifei Xiang,
  • Dandan Yi,
  • Qiuling Liang,
  • Min Ji,
  • Zhaoyou Deng,
  • Lanqian Qin,
  • Lingyi Ren and
  • Zhengmin Liang
  • + 1 author

14 July 2025

Liver injury caused by the irrational use of acetaminophen (APAP) represents a significant challenge in the field of public health. In clinical treatment, apart from N—acetylcysteine (NAC), the only approved antidote, there are extremely limite...

  • Article
  • Open Access
1 Citations
1,349 Views
16 Pages

10 July 2025

In this study, we integrated HSQC-based DeepSAT with UPLC-MS/MS to guide the isolation of omega-3 polyunsaturated fatty acid derivatives (PUFAs) from marine resources. Through this approach, four new (1–4) and nine known (5–13) PUFA analo...

  • Article
  • Open Access
1,241 Views
11 Pages

Discovery of Secondary Metabolites from the Sponge-Derived Fungus Aspergillus templicola

  • Kai Li,
  • Yue Zhang,
  • Lei Li,
  • Sen Wang,
  • Cili Wang and
  • Pinglin Li

9 July 2025

Combining biosynthetic gene cluster analysis with the OSMAC strategy, fractionation of the fermentation extract of Aspergillus templicola from the sponge Agelas sp. led to the isolation of four novel cytochalasins, colachalasins J–M (1–4)...

  • Article
  • Open Access
1,350 Views
24 Pages

κ/ι-Carrageenan Blends in Plant Capsules: Achieving Harmony Between Mechanical and Disintegration Properties

  • Zhenyu Liu,
  • Chuqi He,
  • Zhibin Yang,
  • Qing Zhao,
  • Yuting Dong,
  • Jing Ye,
  • Bingde Zheng,
  • Ranjith Kumar Kankala,
  • Xueqin Zhang and
  • Meitian Xiao

9 July 2025

The fast-disintegrating capsules rapidly disintegrate in various physiological environments, ensuring therapeutic efficacy. The formulation of plant-based capsules with balanced mechanical and fast disintegration characteristics continues to present...

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Mar. Drugs - ISSN 1660-3397