Related Experiment Video
Updated: Jun 11, 2025

HPLC-based Assay to Monitor Extracellular Nucleotide/Nucleoside Metabolism in Human Chronic Lymphocytic Leukemia Cells
Published on: July 20, 2016
Nisin A elevates adenosine to achieve anti-inflammatory activity
Yonglu Li1,2,3, Yadi Wang1,2,3, Shihai Yan1,2,3
1School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310018, Zhejiang, People's Republic of China. guqing2002@hotmail.com.
Nisin A demonstrates direct anti-inflammatory effects by regulating adenosine, impacting sphingolipid and purine pathways. This natural peptide offers a potential alternative to conventional anti-inflammatory drugs with fewer side effects.
Area of Science:
- Biochemistry
- Molecular Biology
- Pharmacology
Background:
- Inflammation is a key factor in many diseases, and current treatments have significant side effects.
- Nisin, a natural antimicrobial peptide, shows potential anti-inflammatory activity, but its direct effects and mechanisms are not fully understood.
Purpose of the Study:
- To evaluate the direct anti-inflammatory effects of nisin A both in vitro and in vivo.
- To elucidate the underlying molecular mechanisms of nisin A's anti-inflammatory action.
Main Methods:
- Utilized cellular and Caenorhabditis elegans (C. elegans) models for in vitro and in vivo assessments.
- Employed omics analysis to uncover the inflammatory mechanism regulated by nisin A.
Main Results:
- Confirmed the direct anti-inflammatory activity of nisin A.
- Identified nisin A's regulatory role in adenosine pathways, affecting sphingolipid signaling and purine metabolism.
Conclusions:
- Nisin A possesses direct anti-inflammatory properties.
- Nisin A's mechanism involves modulation of adenosine, sphingolipid signaling, and purine metabolism, offering novel anti-inflammatory strategies.
Related Concept Videos
Adrenergic Agonists: Therapeutic Uses
Emergency and Intensive Care Unit (ICU) applications: Pressor agents increase blood pressure, heart rate, and contractility in shock and organ failure situations. Dopamine can induce vasodilation and stimulate adrenoceptors. Endogenous catecholamines are effective in treating cardiogenic shock. α2-agonists like clonidine can reverse anesthesia-induced hypertension.
Allergies and...
Antianginal Drugs: Nitrates and β-Blockers
Organic nitrates, such as nitroglycerin, play a pivotal role. Once metabolized, they liberate nitric oxide, a molecular marvel. Nitric oxide triggers guanylyl cyclase and augments cGMP production. This biochemical cascade orchestrates the relaxation of vascular smooth muscles, ushering in vasodilation and enhancing coronary blood flow....
Adrenergic Agonists: Therapeutic Classification
Vasopressor or pressor agents: They increase blood pressure and function as cardiac stimulants. Examples include endogenous catecholamines (norepinephrine and dopamine) and synthetic agents (phenylephrine).
Bronchodilators: β2-agonists can relax bronchial muscles and widen airways. They are commonly used for treating obstructive pulmonary...
Heart Failure Drugs: Inotropic Agents
Adrenergic Agonists: Indirect-Acting Agents
One mechanism involves depleting stored catecholamines by displacing them from synaptic vesicles. These agents, known as "displacers," are transported into vesicles at the expense of noradrenaline. Examples include amphetamine and tyramine, which lack a catechol moiety, resulting in prolonged action, improved oral...
Antiarrhythmic Drugs: Class II Agents as β-Adrenergic Blockers

