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Biomolecules, Volume 15, Issue 10

October 2025 - 135 articles

Cover Story: Reactive oxygen species (ROS) are key effectors of innate immunity. During the respiratory burst (RB), human neutrophils reduce oxygen to superoxide, forming hydrogen peroxide (H₂O₂) and altering membrane potential. We tested whether extracellular potassium affects H₂O₂ production, as potassium levels can rise during necrosis or trauma. H₂O₂ release was measured over 2 h under varying potassium concentrations, with no clear effects. Substituting potassium or chloride with sodium or methanesulfonate likewise caused no change. Thus, unlike electrically excitable cells such as neurons and muscles, the strongly depolarizing RB of human neutrophils appears independent of monovalent ion concentrations, though hyperosmolar solutions do affect it. View this paper
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Articles (135)

  • Article
  • Open Access
464 Views
26 Pages

Rapid Biochemical Analysis of Postmortem Serum and Myocardial Homogenates—An Exploratory Study

  • Niki Sarri,
  • Henrik Druid,
  • Ali-Reza Rezaie,
  • Klaske Osinga,
  • Nargis Sultana and
  • Kanar Alkass

21 October 2025

Postmortem diagnosis of sudden cardiac death (SCD) may escape detection due to the absence of thrombi and slow development of structural and immunohistochemical changes. Therefore, this study explores the possibility of analyzing relevant clinical ch...

  • Article
  • Open Access
355 Views
17 Pages

Arctic Diatoms as a Source of Antibiofilm Compounds: Identification of Methyl 3-Hydroxyoctadecanoate and Pheophorbide a

  • Marit Huizer,
  • Renate Osvik,
  • Espen H. Hansen,
  • Terje Vasskog,
  • Jeanette H. Andersen,
  • Kim van Wezel,
  • Hans Christian Eilertsen,
  • Johan Isaksson,
  • Kine Ø. Hansen and
  • Richard A. Ingebrigtsen

21 October 2025

Marine diatoms are prolific producers of bioactive metabolites, but Arctic species remain underexplored as sources of antibacterial and antibiofilm agents. Here, seven species were grown in photobioreactors (PBRs) and systematically screened for anti...

  • Article
  • Open Access
539 Views
24 Pages

Kynurenic Acid Protects Against Myocardial Ischemia/Reperfusion Injury by Activating GPR35 Receptors and Preserving Mitochondrial Structure and Function

  • Dóra Nógrádi-Halmi,
  • Barbara Erdélyi-Furka,
  • Dóra Csóré,
  • Éva Plechl,
  • Nóra Igaz,
  • László Juhász,
  • Marietta Zita Poles,
  • Bernát Nógrádi,
  • Roland Patai and
  • Tamás Ferenc Polgár
  • + 4 authors

21 October 2025

Acute myocardial infarction, often associated with ischemia/reperfusion injury (I/R), is a major healthcare issue ranking among the leading causes of death globally. Although kynurenic acid (KYNA), an endogenous tryptophan metabolite, has been previo...

  • Article
  • Open Access
475 Views
20 Pages

Predicting the Impact of Glycosylation on the Structure and Thermostability of Helicobacter pylori Blood Group Binding Adhesin

  • Daniel Sijmons,
  • Heber Islas Rios,
  • Benjamin R. Turner,
  • Emma Wanicek,
  • Jessica K. Holien,
  • Anna K. Walduck and
  • Paul A. Ramsland

21 October 2025

Post-translational modifications (PTMs) are critically important for protein structure and function, with glycosylation being one of the most common forms of PTM. The gastric pathogen Helicobacter pylori has a general glycosylation system, which perf...

  • Article
  • Open Access
381 Views
16 Pages

Surfactin Structural Variants Differentially Modulate Plant Immune Responses

  • Ning Ding,
  • Hansong Dong,
  • Romain Thomas,
  • Guillaume Gilliard,
  • Jelena Pršić and
  • Marc Ongena

21 October 2025

Cyclic lipopeptides (CLPs), produced by beneficial rhizobacteria such as Bacillus and Pseudomonas species, are specialized metabolites retaining key functions for the plant protective activity of the producers, which shows their potential as biocontr...

  • Article
  • Open Access
456 Views
17 Pages

20 October 2025

Gliomas are central nervous system primary tumors that are distinguished by heterogeneity, broad-based infiltration, and metabolic reprogramming that sustains proliferation, invasion, and therapy refractoriness. Oxidative stress—a state of imba...

  • Article
  • Open Access
343 Views
18 Pages

Metabolomics in the Context of Exercise in Subjects with Multimorbidity: A Pilot Study

  • Rebecca Bankamp,
  • Simone Schweda,
  • Nils Janzen,
  • Andreas M. Nieß,
  • Inga Krauß and
  • Barbara Munz

20 October 2025

Lifestyle-related diseases, such as overweight/obesity, diabetes mellitus type 2 (T2DM), cardiovascular disease, or osteoarthritis, are a major health burden in Western societies. Due to common risk factors, most patients suffer from multimorbidity,...

  • Review
  • Open Access
1,137 Views
25 Pages

Bispecific Antibody and Antibody-Drug Conjugate as Novel Candidates for Treating Pancreatic Ductal Adenocarcinoma

  • Hyeryeon Seo,
  • Dabin Go,
  • Se Young Jung,
  • Shinwoo Han,
  • Van Quy Nguyen,
  • Minseok Kwak and
  • Wooram Um

20 October 2025

Pancreatic ductal adenocarcinoma (PDAC) is one of the most lethal cancers, characterized by a dense and immunosuppressive tumor microenvironment. With the limited actions of drugs and conventional monovalent antibodies, the success of existing cancer...

  • Review
  • Open Access
438 Views
18 Pages

Multiple Organ Phenotype of Fatigue

  • Xiaohua Liu,
  • Zhonghan Zhao,
  • Yuan Zhang,
  • Jun Zou and
  • Lingli Zhang

20 October 2025

Fatigue is not only a widespread subjective experience but also a complex physiological and pathological state involving multiple organs and systems. Currently, there is no consensus on the definition and classification of fatigue. Based on its cause...

  • Review
  • Open Access
545 Views
12 Pages

Inflammatory Mechanisms in Myocarditis—Recent Therapeutic Strategies

  • Stergios Soulaidopoulos,
  • Dimitris Tousoulis,
  • Marios Sagris,
  • Svetlana Aghayan,
  • Konstantinos Platanias,
  • Alexios Giannakodimos,
  • Emilia Lazarou,
  • Konstantinos Tsioufis and
  • George Lazaros

20 October 2025

Myocarditis is an inflammatory disease of the heart characterized by a complex interplay between innate and adaptive immune responses. The innate immune system provides first-line defense and includes soluble molecules, including macrophages, neutrop...

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Biomolecules - ISSN 2218-273XCreative Common CC BY license