Results 111 to 120 of about 98,142 (384)

Effects of Microbiota on Starvation Resistant Drosophila Melanogaster

open access: yes, 2016
Bacteria in modern society have often been perceived as having negative effects on humans with complications and potential death to their hosts. In recent years, the gut microbiota has shown that not all bacteria inhabiting a host cause negative side ...
Dahroug, Mohamad   +2 more
core  

Synthese des 18F-markierten Coenzyms Uridindiphosphatglucose als Basis für die 18F-Glykosylierung von Glykoproteinen [PDF]

open access: yes, 2000
The chemo-enzymatic radiosynthesis of no carrier added (n.c.a.) uridine diphospho-2-deoxy- 2-[$^{18}$F]fluoro-$\alpha$-D-glucose (UDP-[$^{18}$F]FGlc) was developed.
Prante, Olaf
core  

Cardiac Slc25a49‐Mediated Energy Reprogramming Governs Doxorubicin‐Induced Cardiomyopathy through the G6P–AP‐1–Sln Axis

open access: yesAdvanced Science, EarlyView.
Doxorubicin‐induced cardiomyopathy involves mitochondrial energy metabolism dysfunction, exacerbated by cardiomyocyte‐specific Slc25a49 deficiency via oxidative phosphorylation (OXPHOS) suppression and glycolysis activation. The Slc25a49–glucose‐6‐phosphate (G6P)–activator protein‐1 (AP‐1) axis drives myocardial injury by upregulating Sln, disrupting ...
Sitong Wan   +16 more
wiley   +1 more source

Radiation Exposure Induced Blood–Brain Barrier Injury via Mitochondria‐Mediated Sterile Inflammation

open access: yesAdvanced Science, EarlyView.
This work describes a blood–brain barrier (BBB) microphysiological system (MPS) to explore the responses of BBB to radiation exposure. Following radiation exposure, obvious BBB comprise and brain endothelial injuries are detected. Mechanism study shows radiation induced significant sterile inflammation via mitochondrial dysfunction and cGAS‐STING ...
Peng Wang   +6 more
wiley   +1 more source

MAMMALIAN METHYLMALONYL ISOMERASE AND VITAMIN B(12) COENZYMES.

open access: yesProceedings of the National Academy of Sciences of the United States of America, 1960
In 1955 Flavin et al.1-4 found that the main pathway of propionic acid oxidation in animal tissues proceeds via the reaction sequence propionate ATPC propionyl CoA5 ATPCOYmethylmalonyl CoA -succinyl CoA succinate.
P. Lengyel, R. Mazumder, Severo Ochoa
semanticscholar   +1 more source

Overcoming Extreme Ammonia Inhibition on Methanogenesis by Artificially Constructing a Synergistically Community with Acidogenic Bacteria and Hydrogenotrophic Archaea

open access: yesAdvanced Science, EarlyView.
This study proposes a two‐step biological strategy to synergistically enhance the three stages of anaerobic digestion, ultimately eliminating the extreme ammonia inhibition and breaking through the inefficiency bottleneck of conventional biotechnology.
Heng Wu   +6 more
wiley   +1 more source

The binding of oxidized coenzymes by glutamate dehydrogenase and the effects of glutarate and purine nucleotides.

open access: yesBiochemical Journal, 1972
1. The binding of NAD(+) and NADP(+) to glutamate dehydrogenase has been studied in sodium phosphate buffer, pH7.0, by equilibrium dialysis. Approximate values for the dissociation constants are 0.47 and 2.5mm respectively.
K. Dalziel, R. R. Egan
semanticscholar   +1 more source

Reactive Cysteines in Proteins are the Dominant Reductants for Platinum(IV) Prodrug Activation in Live Cells

open access: yesAngewandte Chemie, EarlyView.
Pt‐Luc was developed as a pioneering bioluminescent reporter for real‐time monitoring of Pt(IV) reduction in live cells. Using this advanced reporter, we identified that reactive cysteines in proteins, rather than those in small molecules, predominantly mediate the reduction of Pt(IV) prodrugs.
Shu Chen   +10 more
wiley   +2 more sources

Loss of STARD7 Triggers Metabolic Reprogramming and Cell Cycle Arrest in Breast Cancer

open access: yesAdvanced Science, EarlyView.
Breast cancer cells undergo metabolic and transcriptomic reprogramming to support aberrant cell proliferation. Their mitochondria rely on the transfer of phosphatidylcholine from the endoplasmic reticulum to their membranes by STARD7, a candidate upregulated in breast cancer, to be functional.
Ewelina Dondajewska   +18 more
wiley   +1 more source

Structures of Polyhydroxyalkanoate Synthase PhaC from Aeromonas caviae, Producing Biodegradable Plastics

open access: yesAngewandte Chemie, EarlyView.
PHA synthase (PhaC) is the key enzyme in the polymerization of a biodegradable plastic—polyhydroxyalkanoate (PHA). Structures of full‐length PhaC reveal three key regions essential for substrate specificity and polymerization. Additionally, this study also highlights the critical role of N‐domain‐dependent dimerization in PhaC activity.
Min Fey Chek   +5 more
wiley   +2 more sources

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