The effects of acrylamide on brain creatine kinase: inhibition kinetics and computational docking simulation.

Int J Biol Macromol

Department of Environmental Health, School of Public Health and Tropical Medicine, Southern Medical University, Guangzhou 510515, PR China.

Published: March 2009

The occurrence of acrylamide is frequently observed in processed foods. Therefore, the harmful effects of acrylamide on metabolic enzymes are important to understand. We studied the inhibitory effects of acrylamide on the brain creatine kinase (CK-BB). We found that CK-BB was kinetically inactivated by acrylamide accompanied by the disruption of the hydrophobic surface. Acrylamide mainly interacted with the thiol (-SH) residue of CK-BB and resulted in alkylation. A computational docking simulation supported that acrylamide directly bound to the active site of CK-BB where cysteine and glycine residues interacted mainly. The inhibition kinetics combined with computational prediction can be useful in order to have insights into the mechanisms regarding environmentally hazardous factors at the molecular level.

Download full-text PDF

Source
http://dx.doi.org/10.1016/j.ijbiomac.2008.11.003DOI Listing

Publication Analysis

Top Keywords

effects acrylamide
12
acrylamide brain
8
brain creatine
8
creatine kinase
8
inhibition kinetics
8
computational docking
8
docking simulation
8
acrylamide
6
kinase inhibition
4
kinetics computational
4

Similar Publications

The potential benefits of pyrotinib for patients with trastuzumab-insensitive, HER2-positive early-stage breast cancer remain unclear. This prospective, multicentre, response-adapted study evaluated the efficacy and safety of adding pyrotinib to the neoadjuvant treatment of HER2-positive breast cancer patients with a poor response to initial docetaxel plus carboplatin and trastuzumab (TCbH). Early response was assessed using magnetic resonance imaging (MRI) after two cycles of treatment.

View Article and Find Full Text PDF

Construction, characterization and application of rutin loaded zein - Carboxymethyl starch sodium nanoparticles.

Int J Biol Macromol

January 2025

School of Food Science and Technology, South China Agricultural University, Guangzhou 510642, China; School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China; State Key Laboratory of Food Science and Resources, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China. Electronic address:

In this paper, zein-carboxymethyl starch (CMS) nanoparticles were prepared by antisolvent precipitation method to improve the stability of rutin (RT). The encapsulation efficiency, loading capacity, oxidation resistance, structural properties were evaluated. The results showed that electrostatic, hydrogen bond and hydrophobic interaction were the main driving forces for the formation of nanoparticles.

View Article and Find Full Text PDF

Super-strong hydrogel reinforced by an interconnected hollow microfiber network via regulating the water-cellulose-copolymer interplay.

Sci Bull (Beijing)

January 2025

Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, Hubei Provincial Engineering Research Center of Emerging Functional Coating Materials, School of Resource and Environmental Sciences, Wuhan University, Wuhan 430079, China. Electronic address:

The discontinuous fiber reinforced hydrogels are easy to fail due to the fracture of the fiber matrix during load-bearing. Here, we propose a novel strategy based on the synergistic reinforcement of interconnected natural fiber networks at multiple scales to fabricate hydrogels with extraordinary mechanical properties. Specifically, the P(AA-AM)/Cel (P(AA-AM), poly(acrylic acid-acrylamide); Cel, cellulose) hydrogel is synthesized by copolymerizing AA and AM on a substrate of paper with an interconnected hollow cellulose microfiber network.

View Article and Find Full Text PDF

Background: Real-world data regarding patients with non-small cell lung cancer (NSCLC) with EGFR exon 20 insertion (ex20ins) mutations receiving mobocertinib are limited. This study describes these patients' characteristics and outcomes.

Methods: A chart review was conducted across three countries (Canada, France, and Hong Kong), abstracting data from eligible patients (NCT05207423).

View Article and Find Full Text PDF

Synthesis of P(AM/AA/SSS/DMAAC-16) and Studying Its Performance as a Fracturing Thickener in Oilfields.

Polymers (Basel)

January 2025

Engineering Research Center of Oil and Gas Field Chemistry, Universities of Shaanxi Provence, Xi'an Shiyou University, Xi'an 710065, China.

In order to solve the problems of long dissolution and preparation time, cumbersome preparation, and easy moisture absorption and deterioration during storage or transportation, acrylamide (AM), acrylic acid (AA), sodium p-styrene sulfonate (SSS), and cetyl dimethylallyl ammonium chloride (DMAAC-16) were selected as raw materials, and the emulsion thickener P(AM/AA/SSS), which can be instantly dissolved in water and rapidly thickened, was prepared by the reversed-phase emulsion polymerization method. DMAAC-16, the influence of emulsifier dosage, oil-water ratio, monomer molar ratio, monomer dosage, aqueous pH, initiator dosage, reaction temperature, reaction time, and other factors on the experiment was explored by a single-factor experiment, and the optimal process was determined as follows: the oil-water volume ratio was 0.4, the emulsifier dosage was 7% of the oil phase mass, the initiator dosage was 0.

View Article and Find Full Text PDF

Want AI Summaries of new PubMed Abstracts delivered to your In-box?

Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!