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Coenzyme Q and Selenium Co-Supplementation Alleviate Methionine Choline-Deficient Diet-Induced Metabolic Dysfunction-Associated Steatohepatitis in Mice.
Nutrients
January 2025
Department of Food & Nutrition, Kyung Hee University, Seoul 02447, Republic of Korea.
Background/objectives: The pathogenesis of metabolic dysfunction-associated steatohepatitis (MASH) is closely associated with increased oxidative stress and lipid peroxidation. Coenzyme Q (CoQ) and selenium (Se) are well-established antioxidants with protective effects against oxidative damage. This study aimed to investigate the effects of CoQ and Se in ameliorating MASH induced by a methionine choline-deficient (MCD) diet in mice.
View Article and Find Full Text PDFThiamine and Thiamine Pyrophosphate as Non-Competitive Inhibitors of Acetylcholinesterase-Experimental and Theoretical Investigations.
Molecules
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Chair and Department of Biochemistry and Pharmacogenomics, Medical University of Warsaw, 1 Banacha Str., 02-097 Warsaw, Poland.
Vitamin B (thiamine) plays an important role in human metabolism. It is essential for the proper growth and development of the body and has a positive effect on the functioning of the digestive, cardiovascular, and nervous systems. Additionally, it stimulates the brain and improves the psycho-emotional state.
View Article and Find Full Text PDFTetrahydrobiopterin in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome: A Friend or Foe?
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Milwaukee Institute for Drug Discovery, University of Wisconsin-Milwaukee, 2000 E Kenwood Blvd, Milwaukee, WI 53211, USA.
Myalgic Encephalomyelitis or Chronic Fatigue Syndrome (ME/CFS) is a chronic multisystem disease characterized by severe muscle fatigue, pain, dizziness, and brain fog. The two most common symptoms are post-exertional malaise (PEM) and orthostatic intolerance (OI). ME/CFS patients with OI (ME+OI) suffer from dizziness or faintness due to a sudden drop in blood pressure while maintaining an upright posture.
View Article and Find Full Text PDF[Enzymatic MBH reaction catalyzed by an artificial enzyme designed with the introduction of an unnatural tertiary amine cofactor].
Sheng Wu Gong Cheng Xue Bao
January 2025
School of Life Sciences and Health Engineering, Jiangnan University, Wuxi 214122, Jiangsu, China.
As the chip of synthetic biology, enzymes play a vital role in the bio-manufacturing industry. The development of diverse functional enzymes can provide a rich toolbox for the development of synthetic biology. This article reports the construction of an artificial enzyme with the introduction of a non-natural cofactor.
View Article and Find Full Text PDF[Metabolic engineering of for the biosynthesis of O-acetyl-L-homoserine].
Sheng Wu Gong Cheng Xue Bao
January 2025
College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310014, Zhejiang, China.
O-acetyl-L-homoserine (OAH) is a promising platform compound for the production of L-methionine and other valuable compounds, while its low yield and low conversion rate limit the industrial application. To solve these problems, we constructed a strain for high OAH production with the previously constructed L-homoserine producer HS33 as the chassis by systematic metabolic engineering. Firstly, PEP accumulation, pyruvate utilization, and OAH synthesis pathway (overexpressing , , and ) were enhanced to obtain an initial strain accumulating 13.
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