Results 31 to 40 of about 183,054 (259)

The Activity of Antioxidant and Anaerobic Glycolysis Enzymes Under Thermal Gradient Exposure in Palearctic Species Lymnaea stagnalis [PDF]

Journal of Stress Physiology & Biochemistry, 2013
The aim of present study was the evaluation of antioxidant (peroxidase, catalase, glutathione S transferase) and anaerobic glycolysis (lactate dehydrogenase) enzymes activity under thermal gradient in Palearctic species Lymnaea stagnalis ...
Vereshchagina К.P., Lubyaga J.А., Gurkov А.N., Shchapova Е.P., Madyarova E.V., Kondrat’eva Е.М., Golubev А.P., Timofeyev М.А., Aksenov-Gribanov D.V.   +8 more
doaj  

EFFECT OF FOUR BIOACTIVE COMPOUNDS SEPARATELY AND IN COMBINATION WITH Metarhizium anisopliae ON THE ACTIVITY OF SOME HAEMOLYMPH ENZYMES OF Schistocerca gregaria (FORSKAL). [PDF]

Journal of Plant Protection and Pathology, 2015
The effect of Metarhizium anisopliae var.acridum and four bioactive compounds (Neem,L- Glutamic acid,Schinusmolle and abamectin) in sole treatments and in combination with M.
M. El - Dydamony, G. Abdelatef, T. Abd- Elfattah, A. Farrag   +3 more
doaj   +1 more source

Expression of Microbial Enzymes in Mammalian Astrocytes to Modulate Lactate Release

Brain Sciences, 2021
Astrocytes support and modulate neuronal activity through the release of L-lactate. The suggested roles of astrocytic lactate in the brain encompass an expanding range of vital functions, including central control of respiration and cardiovascular ...
Barbara Vaccari Cardoso, Iliana Barrera, Valentina Mosienko, Alexander V. Gourine, Sergey Kasparov, Anja G. Teschemacher   +5 more
doaj   +1 more source

The (Glg)ABCs of cyanobacteria: modelling of glycogen synthesis and functional divergence of glycogen synthases in Synechocystis sp. PCC 6803

FEBS Letters, EarlyView.
We reconstituted Synechocystis glycogen synthesis in vitro from purified enzymes and showed that two GlgA isoenzymes produce glycogen with different architectures: GlgA1 yields denser, highly branched glycogen, whereas GlgA2 synthesizes longer, less‐branched chains.
Kenric Lee, Dimitrios Bekiari, Sofia Doello, Karl Forchhammer   +3 more
wiley   +1 more source

Tumour–host interactions in Drosophila: mechanisms in the tumour micro‐ and macroenvironment

Molecular Oncology, EarlyView.
This review examines how tumour–host crosstalk takes place at multiple levels of biological organisation, from local cell competition and immune crosstalk to organism‐wide metabolic and physiological collapse. Here, we integrate findings from Drosophila melanogaster studies that reveal conserved mechanisms through which tumours hijack host systems to ...
José Teles‐Reis, Tor Erik Rusten
wiley   +1 more source

The primary pathway for lactate oxidation in Desulfovibrio vulgaris

Frontiers in Microbiology, 2015
The ability to respire sulfate linked to lactate oxidation is a key metabolic signature of the Desulfovibrio genus. Lactate oxidation by these incomplete oxidizers generates reductants through lactate dehydrogenase (LDH) and pyruvate-ferredoxin ...
Laetitia ePieulle, Nicolas eVita, Odile eValette, Gaël eBrasseur, Sabrina eLignon, Yann eDenis, Mireille eAnsaldi, Alain eDolla   +7 more
doaj   +1 more source

Loss of proton‐sensing TDAG8 increases tumor progression in mouse models of colon cancer

Molecular Oncology, EarlyView.
Loss of the pH‐sensing receptor TDAG8 accelerates colorectal cancer progression in mice. Animals lacking TDAG8 expression had increased tumor growth, DNA damage, and recruitment of tumor‐associated immune cells, including macrophages, neutrophils, and monocytes.
Ermanno Malagola, Yasmine Illi, Anna Bircher, Marijn Wilmink, Rachele F. Malagutti, Solenn Ottié, Cordelia Schuler, Pedro A. Ruiz, Cheryl de Vallière, Klaus Seuwen, Gerhard Rogler, Martin Hausmann   +11 more
wiley   +1 more source

Amperometric L-Lactate Biosensor Based upon a Gold Nanoparticles/Reduced Graphene Oxide/Polyallylamine Hydrochloride Modified Screen-Printed Graphite Electrode

Chemosensors, 2021
This work describes a novel L-lactate biosensor based on the immobilization of L-lactate dehydrogenase enzyme on the screen-printed electrode modified with a ternary composite based on gold nanoparticles, electrochemically-reduced graphene oxide, and ...
Oana-Maria Istrate, Lucian Rotariu, Camelia Bala   +2 more
doaj   +1 more source

Large‐scale bidirectional arrayed genetic screens identify OXR1 and EMC4 as modifiers of αSynuclein aggregation

FEBS Open Bio, EarlyView.
Activation of the mitochondrial protein OXR1 increases pSyn129 αSynuclein aggregation by lowering ATP levels and altering mitochondrial membrane potential, particularly in response to MSA‐derived fibrils. In contrast, ablation of the ER protein EMC4 enhances autophagic flux and lysosomal clearance, broadly reducing α‐synuclein aggregates.
Sandesh Neupane, Lea Nikolić, Lorenzo Maraio, Thomas Goiran, Nathan Karpilovsky, Stefano Sellitto, Vangelis Bouris, Jiang‐An Yin, Ronald Melki, Edward A Fon, Adriano Aguzzi, Elena De Cecco   +11 more
wiley   +1 more source

Acute caffeine treatment protects the developing retina from ischemia‐induced cell death

FEBS Open Bio, EarlyView.
Caffeine reduces cell death in the developing retina under ischemia (OGD). This effect does not involve BDNF upregulation or antioxidant pathways (NRF2/VEGF). Neuroprotection occurs mainly through adenosine A2A receptor antagonism, decreasing glutamate release and excitotoxicity, highlighting caffeine's potential as an acute neuroprotective agent in ...
Amanda Alves Nascimento, Danniel Pereira‐Figueiredo, Gabriella Grossi de Lima Dias, Gabriel Ferreira dos Santos, Mariana Rodrigues Pereira, Rafael Brito, Karin C Calaza   +6 more
wiley   +1 more source