Results 71 to 80 of about 55,337 (248)

Facile immobilization of pyridoxal 5′-phosphate using p-diazobenzoyl-derivatized Sepharose 4B

Results in Chemistry, 2023
Pyridoxal 5′-phosphate (PLP) is a ubiquitous and versatile cofactor utilized by numerous enzymes involved in amino acid biosynthetic pathways. Immobilized PLP is a valuable tool to isolate unknown PLP-dependent enzymes in nature or to perform in vitro ...
Kun-Hwa Lee, Mark D. Distefano, Burckhard Seelig   +2 more
doaj   +1 more source

Enzymatic Basis for the Oxidative Branch of Aromatic Amino Acid Fermentation Leading to p‐cresol Formation

Advanced Science, EarlyView.
In anaerobic bacteria, tyrosine serves as an electron donor in the oxidative Stickland fermentation branch, generating p‐hydroxyphenylacetate, ATP and reduced ferredoxin for decarboxylation into p‐cresol. ABSTRACT The phenolic metabolite p‐cresol is a byproduct of tyrosine fermentation by certain strictly anaerobic bacteria, including the human gut ...
Li Jiang, Yifeng Wei, Xumei Liu, Dazhi Liu, Zhenyu Liu, Yang Tong, Jinyu Yin, Ankanahalli N. Nanjaraj Urs, Meining Xing, Mark A. Harrison, Chuyuan Zhang, Sheng Yang, Yunzi Luo, Ee Lui Ang, Huimin Zhao, Yan Zhang   +15 more
wiley   +1 more source

Role of Ascorbic Acid and Pyridoxal-5-Phosphate in the Prevention of Glucose-Induced Damage of Protein and DNA

Natural Product Communications
Objective: This study aims to assess the interaction of ascorbic acid (AA) and pyridoxal-5-phosphate (PLP) with serum protein for binding affinity. These vitamins are investigated for the glucose-induced glycation products for 28 days at 37 °C.
Dinesh Kumar, Khalid Mashay Al-Anazi, Mohammad Abul Farah, Ahmad Ali   +3 more
doaj   +1 more source

Development of a hypersensitive periodate-cleavable amino acid that is methionine- and disulfide-compatible and its application in MHC exchange reagents for T cell Characterisation [PDF]

, 2012
Incorporation of cleavable linkers into peptides and proteins is of particular value in the study of biological processes. Here we describe the synthesis of a cleavable linker that is hypersensitive to oxidative cleavage as the result of the periodate ...
Altman, Andersen, Barlow, Beppu, Buist, Celie, Chen, Chen, Clamp, Donohoe, Dückers, Evans, Geoghegan, Gutierrez, Kwong, Leriche, Madden, Nicolaou, Rodenko, Rodenko, Sagui, Soen, Stanković, Steinreiber, Steinreiber, Stepan, Stone, Toebes, Toebes   +28 more
core   +1 more source

yggS Encoding Pyridoxal 5′-Phosphate Binding Protein Is Required for Acidovorax citrulli Virulence

Frontiers in Microbiology, 2022
Bacterial fruit blotch, caused by seed-borne pathogen Acidovorax citrulli, poses a serious threat to the production of cucurbits globally. Although the disease can cause substantial economic losses, limited information is available about the molecular ...
Yuanjie Wang, Yuqiang Zhao, Liming Xia, Lin Chen, Yajie Liao, Baohui Chen, Yiyang Liu, Weirong Gong, Yanli Tian, Baishi Hu   +9 more
doaj   +1 more source

Sphingosine Phosphate Lyase Expression Is Essential for Normal Development in Caenorhabditis elegans [PDF]

, 2003
Sphingolipids are ubiquitous membrane constituents whose metabolites function as signaling molecules in eukaryotic cells. Sphingosine 1-phosphate, a key sphingolipid second messenger, regulates proliferation, motility, invasiveness, and programmed cell ...
Fyrst, Henrik, Heinecke, Karie, Mendel, Jane, Saba, Julie D.   +3 more
core   +1 more source

Dietary Mannan‐Rich Fractions Attenuate Weaning Stress in Piglets via Modulating Gut Microbiota and TLR5/NF‐κB Signaling

Animal Research and One Health, EarlyView.
This study aimed to investigate the potential of a mannan‐rich fraction (MRF) as a dietary intervention to alleviate weaning stress in piglets. Our results revealed that MRF could alleviate weaning stress by modulating the gut microbiota and the TLR5/NF‐κB signaling pathway, offering a novel and sustainable alternative to antibiotic use in swine ...
Yutong Lu, Yiwei Sun, Kun Cai, Pingli He, Gang Lin, Zengkai Qi, Hu Liu, Junshu Yan, Ning Ma   +8 more
wiley   +1 more source

Pyridoxine Responsiveness and PNPO Gene Mutations

Pediatric Neurology Briefs, 2014
Investigators at University Hospital, Zurich, Switzerland, and multiple centers in Europe and Canada, sequenced the pyridoxal 5-phosphate oxidase (PNPO) gene in 31 patients with pyridoxine-responsive seizures but normal biomarkers for antiquitin ...
J Gordon Millichap, John J Millichap
doaj   +1 more source

Effect of antiandrogen flutamide on measures of hepatic regeneration in rats [PDF]

, 1989
Male rat liver undergoes a process of demasculinization during hepatic regeneration following partial hepatectomy. The possibility that antiandrogens might potentiate this demasculinization process and in so doing augment the hepatic regenerative ...
A Francavilla, A Mode, A Schleusener, AE Pegg, AJ Syms, B Katchen, CL Mendenhall, CW Bardin, D Kahn, DM Cohen, E Bresnidk, E Mezey, E Mezey, E Mezey, EM Higgins, ER Lax, F Neumann, J Simard, J Terblanche, JA Gustafsson, JA Gustafsson, JA McGowan, JH Clark, JM Kissane, JP Blondeau, KE Crow, LE Porter, M Kayfman, M Sarff, MF Zuretti, OH Lowry, PK Eagon, PK Eagon, PK Eagon, R Neri, W Welshons, WJ King   +36 more
core   +1 more source

Vitamins as potent cancer treatments through regulating the activity and expression of MMP‐2 and MMP‐9

Bulletin of the Korean Chemical Society, EarlyView.
Vitamins could regulate both MMP‐2 and MMP‐9 expression and activity through transcriptional and MAPK signaling pathway modulation. This study highlights the potential of vitamins as low‐toxicity therapeutic or adjunct agents for targeting MMP‐mediated cancer progression. Abstract Matrix metalloproteinases (MMP‐2 and MMP‐9) are key regulators of cancer
Yen Thi Nguyen, Eungchan Kim, Ha Vy Thi Vo, Song Ja Kim, Namdoo Kim, Hyuck Jin Lee   +5 more
wiley   +1 more source