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Theresa H Tam et al.
The Journal of biological chemistry, 295(15), 4902-4911 (2020-03-07)
Obesity and elevation of circulating free fatty acids are associated with an accumulation and proinflammatory polarization of macrophages within metabolically active tissues, such as adipose tissue, muscle, liver, and pancreas. Beyond macrophages, neutrophils also accumulate in adipose and muscle tissues
D Grahame Hardie
Genes & development, 25(18), 1895-1908 (2011-09-23)
AMP-activated protein kinase (AMPK) is a sensor of energy status that maintains cellular energy homeostasis. It arose very early during eukaryotic evolution, and its ancestral role may have been in the response to starvation. Recent work shows that the kinase
Giorgia Zadra et al.
Clinical cancer research : an official journal of the American Association for Cancer Research, 16(13), 3322-3328 (2010-04-29)
Although the role of metabolic syndrome (MS) and a high fat diet in prostate cancer (PCa) risk is still a matter of intense debate, it is becoming increasingly clear that obesity can cause perturbations in metabolic pathways that contribute to
Christos D Georgiou et al.
Redox biology, 17, 128-142 (2018-04-24)
A new 2,4-dinitrophenylhydrazine (DNPH)-based photometric assay is developed for the quantification of carbonyls in protein samples from any biological source by protein carbonyl-DNPH hydrazone formation at acidic pH in the presence of denaturing urea, and subsequent hydrazone solubilization in the
Misaki Kawanishi et al.
Biomedical chromatography : BMC, 29(9), 1309-1316 (2015-01-28)
Monitoring of pharmacodynamics in addition to pharmacokinetics is one of strategies to individualize mycophenolate mofetil therapy. The purpose of this study was to develop sensitive liquid chromatography-tandem mass spectrometry (LC-MS/MS) methods for evaluation of the pharmacokinetics and pharmacodynamics of mycophenolic
Yugo Tsuchiya et al.
Bioscience reports, 32(2), 197-213 (2011-08-20)
In adult rat cardiac myocytes adrenaline decreased AMPK (AMP-activated protein kinase) activity with a half-time of approximately 4 min, decreased phosphorylation of AMPK (α-Thr172) and decreased phosphorylation of ACC (acetyl-CoA carboxylase). Inactivation of AMPK by adrenaline was through both α1- and
Jürgen Knapp et al.
Resuscitation, 85(9), 1291-1297 (2014-07-01)
Animal studies and pathophysiological considerations suggest that therapeutic hypothermia after cardiopulmonary resuscitation is the more effective the earlier it is induced. Therefore this study is sought to examine whether pharmacological facilitated hypothermia by administration of 5'-adenosine monophosphate (AMP) is neuroprotective
S Eric Nybo et al.
Purinergic signalling, 15(1), 17-25 (2019-01-04)
Purine metabolites have been implicated as clinically relevant biomarkers of worsening or improving Parkinson's disease (PD) progression. However, the identification of purine molecules as biomarkers in PD has largely been determined using non-targeted metabolomics analysis. The primary goal of this
Camila Jordão Candido et al.
Nutrients, 12(1) (2019-12-22)
Consumption of omega-3 (n-3) polyunsaturated fatty acids (PUFA) is related to improvement in the inflammatory response associated with decreases in metabolic disorders of obesity, such as low-grade inflammation and hepatic steatosis. Linseed (Linum usitatissimum) oil is a primary source of
Mark Jelcic et al.
Cell chemical biology, 27(8), 1073-1083 (2020-06-11)
ATP is an important energy metabolite and allosteric signal in health and disease. ATP-interacting proteins, such as P2 receptors, control inflammation, cell death, migration, and wound healing. However, identification of allosteric ATP sites remains challenging, and our current inventory of
Shudong Liu et al.
PloS one, 10(5), e0124951-e0124951 (2015-05-02)
Our previous study found that thyroid-stimulating hormone promoted sterol regulatory element-binding protein-2 (SREBP-2) expression and suppressed AMP-activated protein kinase (AMPK) activity in the liver, but it was unclear whether there was a direct link between TSH, AMPK and SREBP-2. Here
Melissa L Vadnais et al.
Biology of reproduction, 90(6), 128-128 (2014-04-18)
While most ATP, the main energy source driving sperm motility, is derived from glycolysis and oxidative phosphorylation, the metabolic demands of the cell require the efficient use of power stored in high-energy phosphate bonds. In times of high energy consumption
Ziyun Wu et al.
Cell metabolism, 29(5), 1192-1205 (2019-03-25)
Chronic inflammation predisposes to aging-associated disease, but it is unknown whether immunity regulation might be important for extending healthy lifespan. Here we show that in C. elegans, dietary restriction (DR) extends lifespan by modulating a conserved innate immunity pathway that is
Minyu Xie et al.
Biology of reproduction, 103(5), 1121-1131 (2020-08-04)
Mammalian spermatozoa are highly polarized cells characterized by compartmentalized cellular structures and energy metabolism. Adenylate kinase (AK), which interconverts two ADP molecules into stoichiometric amounts of ATP and AMP, plays a critical role in buffering adenine nucleotides throughout the tail
Ming Gan et al.
Neurobiology of aging, 36(2), 1209-1220 (2014-12-07)
The pathologic hallmark of Parkinson's disease (PD) is the accumulation of alpha-synuclein (αsyn) in susceptible neurons in the form of Lewy bodies and Lewy neurites. The etiology of PD remains unclear. Because brain injury has been suggested to facilitate αsyn
Meriem Ameziani et al.
The protein journal, 39(5), 574-590 (2020-09-23)
The current report focuses on purification, structural and functional characterization of Cerastategrin from Cerastes cerastes venom, a novel basic disintegrin (pI 8.36) with 128 amino acid residues and a molecular weight of 13 835.25 Da measured by MALDI-MSMS. The 3D structure
Alexey S Kiryutin et al.
Magnetic resonance in chemistry : MRC (2021-06-05)
Signal amplification by reversible exchange (SABRE) is a popular method for generating strong signal enhancements in nuclear magnetic resonance (NMR). In SABRE experiments, the source of polarization is provided by the nonthermal spin order of parahydrogen (pH2 , the H2
Lin Huang et al.
Nucleic acids research, 48(13), 7545-7556 (2020-06-11)
While most SAM riboswitches strongly discriminate between SAM and SAH, the SAM/SAH riboswitch responds to both ligands with similar apparent affinities. We have determined crystal structures of the SAM/SAH riboswitch bound to SAH, SAM and other variant ligands at high
Moumita Basu et al.
Journal of cell science, 133(7) (2020-02-23)
Intracellular survival of Leishmania donovani demands rapid production of host ATP for its sustenance. However, a gradual decrease in intracellular ATP in spite of increased glycolysis suggests ATP efflux during infection. Accordingly, upon infection, we show here that ATP is
Russell J Ledet et al.
Communications biology, 4(1), 36-36 (2021-01-06)
PIM1 is a serine/threonine kinase that promotes and maintains prostate tumorigenesis. While PIM1 protein levels are elevated in prostate cancer relative to local disease, the mechanisms by which PIM1 contributes to oncogenesis have not been fully elucidated. Here, we performed
Gerard W Dougherty et al.
Nature communications, 11(1), 5520-5520 (2020-11-04)
Axonemal dynein ATPases direct ciliary and flagellar beating via adenosine triphosphate (ATP) hydrolysis. The modulatory effect of adenosine monophosphate (AMP) and adenosine diphosphate (ADP) on flagellar beating is not fully understood. Here, we describe a deficiency of cilia and flagella
Kengo Watanabe et al.
Nature communications, 12(1), 1353-1353 (2021-03-03)
Cells are under threat of osmotic perturbation; cell volume maintenance is critical in cerebral edema, inflammation and aging, in which prominent changes in intracellular or extracellular osmolality emerge. After osmotic stress-enforced cell swelling or shrinkage, the cells regulate intracellular osmolality
The oxygen isotope composition of phosphate released from phytic acid by the activity of wheat and Aspergillus niger phytase
von Sperber C, et al.
Biogeosciences (Online), 12(13), 4175-4184 (2015)
Makhosazane Zungu et al.
The American journal of pathology, 178(1), 4-11 (2011-01-13)
The 5'-AMP-activated protein kinase (AMPK) functions as a metabolic fuel gauge that is activated in response to environmental stressors to restore cellular energy balance. In the heart, AMPK coordinates the activation of glucose and fatty acid metabolic pathways to ensure
Boyuan Wang et al.
Molecular cell, 80(1), 29-42 (2020-08-29)
(p)ppGpp is a nucleotide messenger universally produced in bacteria following nutrient starvation. In E. coli, ppGpp inhibits purine nucleotide synthesis by targeting several different enzymes, but the physiological significance of their inhibition is unknown. Here, we report the structural basis of
Daoying Wang et al.
Journal of the science of food and agriculture, 96(5), 1467-1473 (2015-05-09)
Adenosine 5'-monophosphate (AMP) is often used in meat and poultry soups as a flavor enhancer (flavor modifier), or as food additives for specific nutritional purposes. Our previous research as well as evidence from others showed that actomyosin could be dissociated
Akihiro Okitani et al.
Bioscience, biotechnology, and biochemistry, 72(8), 2005-2011 (2008-08-08)
We investigated to determine why heating of squid muscle at 60 degrees C induced the liberation of actin from myofibrils. When a mixture of a myofibrillar fraction and a low-molecular sarcoplasmic fraction prepared from squid muscle was heated at 60
Mikkel G Terp et al.
Molecular oncology, 15(12), 3299-3316 (2021-06-25)
RAS-MAPK signaling promotes immune evasion and cancer cell survival, and MAPK inhibitors (MAPKis) are frequently used as cancer therapies. Despite progress elucidating the direct effects of MAPKi on immune cells, their indirect effect on the tumor microenvironment (TME) through changes
Tomohito Fujimoto et al.
Biochemical and biophysical research communications, 410(1), 45-51 (2011-06-07)
Ca(2+)/calmodulin-dependent protein kinase kinase (CaMKK) phosphorylates and activates specific downstream protein kinases including CaMKI, CaMKIV and 5'-AMP-activated protein kinase. In order to examine the variety of CaMKK-mediated signaling pathways, we searched for novel CaMKK substrate(s) using N(6)-(1-methylbutyl)-ATP and genetically engineered
Vidhi Pareek et al.
Science (New York, N.Y.), 368(6488), 283-290 (2020-04-18)
Metabolons, multiprotein complexes consisting of sequential enzymes of a metabolic pathway, are proposed to be biosynthetic "hotspots" within the cell. However, experimental demonstration of their presence and functions has remained challenging. We used metabolomics and in situ three-dimensional submicrometer chemical
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