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Je-Hung Kuo et al.
The Journal of biological chemistry, 288(19), 13522-13533 (2013-03-29)
CXCL4L1 is a highly potent anti-angiogenic and anti-tumor chemokine, and its structural information is unknown. CXCL4L1 x-ray structure is determined, and it reveals a previously unrecognized chemokine structure adopting a novel C-terminal helix conformation. The alternative helix conformation enhances the
Marion Poirier et al.
ChemMedChem, 14(2), 224-236 (2018-12-07)
By screening a focused library of kinase inhibitor analogues in a phenotypic co-culture assay for angiogenesis inhibition, we identified an aminotriazine that acts as a cytostatic nanomolar inhibitor. However, this aminotriazine was found to be completely inactive in a whole-kinome
Micheline Guillotte et al.
PloS one, 10(7), e0134292-e0134292 (2015-07-30)
Adhesion of Plasmodium falciparum-infected red blood cells (iRBC) to human erythrocytes (i.e. rosetting) is associated with severe malaria. Rosetting results from interactions between a subset of variant PfEMP1 (Plasmodium falciparum erythrocyte membrane protein 1) adhesins and specific erythrocyte receptors. Interfering
Qi Yin et al.
Journal of biomedical nanotechnology, 11(10), 1764-1775 (2015-10-28)
The clinical success of anthracyclines-containing chemotherapy for breast cancer is mainly restricted by cardiac damage and the development of multidrug resistance (MDR). For efficient reversal of drug resistance, doxorubicin (DOX) loaded multifunctional bioreducible micelles were constructed from a new amphiphilic
Antje Dittmann et al.
Molecular systems biology, 15(8), e8849-e8849 (2019-08-30)
Obesity-associated type 2 diabetes and accompanying diseases have developed into a leading human health risk across industrialized and developing countries. The complex molecular underpinnings of how lipid overload and lipid metabolites lead to the deregulation of metabolic processes are incompletely
Xueqian Liu et al.
The Journal of biological chemistry, 288(10), 7230-7240 (2013-01-25)
In Pichia pastoris, the peroxisomal targeting signal 2 (PTS2)-dependent peroxisomal matrix protein import pathway requires the receptor, Pex7, and its co-receptor Pex20. A conserved lysine (Lys(19)) near the N terminus of Pex20 is required for its polyubiquitination and proteasomal degradation
Maria Gschwandtner et al.
The Journal of investigative dermatology, 134(8), 2192-2201 (2014-04-04)
Antimicrobial peptides (AMPs), an important part of the innate immune system, are crucial for defense against invading microorganisms. Whereas AMPs have been extensively studied in adult skin, little is known about the impact of AMPs in the developing human skin.
Matthias Vogel et al.
Journal of the American Society for Mass Spectrometry, 26(9), 1617-1625 (2015-07-01)
The development of a new class of erythropoietin mimetic agents (EMA) for treating anemic conditions has been initiated with the discovery of oligopeptides capable of dimerizing the erythropoietin (EPO) receptor and thus stimulating erythropoiesis. The most promising amino acid sequences
Vania Figueroa et al.
Biochimica et biophysica acta, 1828(3), 1169-1179 (2012-12-25)
Connexin hemichannel (Cx HC) opening is involved in physiological and pathological processes, allowing the cellular release of autocrine/paracrine signaling molecules. Linoleic acid (LA) is known to modulate the functional state of connexin46 (Cx46) HCs. However, the molecular mechanism involved in
R G Knowles et al.
Proceedings of the National Academy of Sciences of the United States of America, 86(13), 5159-5162 (1989-07-01)
A soluble enzyme obtained from rat forebrain catalyzes the NADPH-dependent formation of nitric oxide (NO) and citrulline from L-arginine. The NO formed stimulates the soluble guanylate cyclase and this stimulation is abolished by low concentrations of hemoglobin. The synthesis of
Falk Kunkel et al.
Molecules (Basel, Switzerland), 20(11), 20805-20822 (2015-11-28)
DNA methyltransferases (MTases) catalyze the transfer of the activated methyl group of the cofactor S-adenosyl-l-methionine (AdoMet or SAM) to the exocyclic amino groups of adenine or cytosine or the C5 ring atom of cytosine within specific DNA sequences. The DNA
Colin P Churchward et al.
The Journal of pharmacy and pharmacology, 67(3), 364-371 (2014-12-17)
Mycoplasma mycoides subspecies capri is one of the causative agents of contagious agalactia in goats. The disease is characterised by mastitis, pneumonia, arthritis, keratitis and in acute cases septicaemia. No vaccine is currently available that has been demonstrated to prevent
Carville G Bevans et al.
Biochimica et biophysica acta, 1830(8), 4202-4210 (2013-04-27)
Warfarin directly inhibits vitamin K 2,3-epoxide reductase (VKOR) enzymes. Since the early 1970s, warfarin inhibition of vitamin K 2,3-epoxide reductase complex subunit 1 (VKORC1), an essential enzyme for proper function of blood coagulation in higher vertebrates, has been studied using
Fusao Takusagawa
The Journal of biological chemistry, 288(14), 10166-10175 (2013-02-22)
An x-ray study indicated that microsomal prostaglandin E synthase type 2 (mPGES2) is a heme-bound protein and catalyzes prostaglandin (PG) H2 degradation, but not PGE2 formation (Yamada, T., and Takusagawa, F. (2007) Biochemistry 46, 8414-8424). In response to the x-ray
Arminja N Kettenbach et al.
Journal of proteomics, 114, 48-60 (2014-12-03)
The study of cellular signaling remains a significant challenge for translational and clinical research. In particular, robust and accurate methods for quantitative phosphoproteomics in tissues and tumors represent significant hurdles for such efforts. In the present work, we design, implement
Kathy Saraiva-Pava et al.
World journal of gastroenterology, 21(21), 6526-6542 (2015-06-16)
To establish a cellular model correctly mimicking the gastric epithelium to overcome the limitation in the study of Helicobacter pylori (H. pylori) infection. Aiming to overcome this limitation, clones of the heterogenic cancer-derived NCI-N87 cell line were isolated, by stably-transducing
A A Vorster et al.
Clinical genetics, 87(5), 492-495 (2014-04-29)
Spondyloepimetaphyseal dysplasia with joint laxity (SEMD-JL), type 1 is an autosomal recessive disorder which has been identified in more than 30 affected children in the Afrikaans-speaking community of South Africa. Sequencing of B3GALT6 revealed a specific mutation, c.235A > G, in homozygous
M W Radomski et al.
Proceedings of the National Academy of Sciences of the United States of America, 87(13), 5193-5197 (1990-07-01)
Aggregation of human washed platelets with collagen is accompanied by a concentration-dependent increase in cyclic GMP but not cyclic AMP. NG-Monomethyl-L-arginine (L-MeArg), a selective inhibitor of nitric oxide (NO) synthesis from L-arginine, reduces this increase and enhances aggregation. L-Arginine, which
Jonathan M Berman et al.
American journal of physiology. Cell physiology, 304(7), C604-C613 (2013-01-25)
Electrophysiological techniques make use of Ag/AgCl electrodes that are in direct contact with cells or bath. In the bath, electrodes are exposed to numerous experimental conditions and chemical reagents that can modify electrode voltage. We examined voltage offsets created in
Dan Wan et al.
Toxicological sciences : an official journal of the Society of Toxicology, 147(2), 326-338 (2015-07-05)
Chronic exposure to trichothecenes is known to disturb insulin-like growth factor 1 and signaling of insulin and leptin hormones and causes considerable growth retardation in animals. However, limited information was available on mechanisms underlying trichothecene-induced growth retardation. In this study
Moshe Ben-David et al.
Journal of molecular biology, 427(6 Pt B), 1359-1374 (2015-02-04)
Despite the abundance of membrane-associated enzymes, the mechanism by which membrane binding stabilizes these enzymes and stimulates their catalysis remains largely unknown. Serum paraoxonase-1 (PON1) is a lipophilic lactonase whose stability and enzymatic activity are dramatically stimulated when associated with
R Gossmann et al.
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 93, 80-87 (2015-03-31)
The behavior of nanosized drug carrier systems under cell culture conditions and therefore also the destiny in the body are highly influenced by the protein corona, which is formed upon entering a biological environment. Some of the adsorbed proteins, named
Darizy Flavia Silva et al.
PloS one, 10(11), e0143171-e0143171 (2015-11-26)
In this study, our aims were to investigate transient receptor potential melastatin-8 channels (TRPM8) involvement in rotundifolone induced relaxation in the mesenteric artery and to increase the understanding of the role of these thermosensitive TRP channels in vascular tissue. Thus
Mariana Molina et al.
Journal of neural transmission (Vienna, Austria : 1996), 122(7), 993-1005 (2015-07-01)
Brain function in normal aging and neurological diseases has long been a subject of interest. With current technology, it is possible to go beyond descriptive analyses to characterize brain cell populations at the molecular level. However, the brain comprises over
Xian-Liang Yan et al.
Neuroscience letters, 597, 90-96 (2015-05-02)
Previous studies have demonstrated that activation of proline-rich tyrosine kinase 2 (PYK2) in cerebral ischemia is involved in the modulation of N-methyl-d-aspartate-type (NMDA) glutamate receptor activity and Ca(2+) dynamics, resulting in ischemic neuron death ultimately. A number of reports indicate
Xuanfeng Yue et al.
Journal of the American Society for Mass Spectrometry, 25(8), 1322-1331 (2014-05-20)
The mechanisms whereby protein ions are liberated from charged droplets during electrospray ionization (ESI) remain under investigation. Compact conformers electrosprayed from aqueous solution in positive ion mode likely follow the charged residue model (CRM), which envisions analyte release after solvent
Giulia Allavena et al.
Fertility and sterility, 103(5), 1244-1251 (2015-03-17)
To evaluate the occurrence of the autophagic process in ovarian endometriomas compared with eutopic endometrium of affected women and with normal endometrium of healthy women. Biochemical and molecular study in tissue extracts. University cellular pathology laboratory and university hospital. Patients
John C Lukesh et al.
Journal of the American Chemical Society, 134(9), 4057-4059 (2012-02-23)
Dithiothreitol (DTT) is the standard reagent for reducing disulfide bonds between and within biological molecules. At neutral pH, however, >99% of DTT thiol groups are protonated and thus unreactive. Herein, we report on (2S)-2-amino-1,4-dimercaptobutane (dithiobutylamine or DTBA), a dithiol that
Bruna P Selbach et al.
Biochemistry, 52(23), 4089-4096 (2013-05-16)
The first step in sulfur mobilization for the biosynthesis of Fe-S clusters under oxidative stress and iron starvation in Escherichia coli involves a cysteine desulfurase SufS. Its catalytic reactivity is dependent on the presence of a sulfur acceptor protein, SufE
Darran J Wigelsworth et al.
PloS one, 7(12), e51356-e51356 (2012-12-14)
Various pathogenic clostridia produce binary protein toxins associated with enteric diseases of humans and animals. Separate binding/translocation (B) components bind to a protein receptor on the cell surface, assemble with enzymatic (A) component(s), and mediate endocytosis of the toxin complex.
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