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Sergio Sanchez et al.
Journal of pharmaceutical and biomedical analysis, 55(5), 1265-1274 (2011-04-19)
Functional cell-based assays are the preferred method to test for the presence of anti-rHuEPO neutralizing antibodies (NAbs). However, due to the unpredictable nature of test serum matrix effects on cell-based assays, confirmatory assays are essential for verifying NAb positive results
Pinakin Pandya et al.
Cell death & disease, 10(10), 685-685 (2019-09-19)
Protein kinase C (PKC)-interacting cousin of thioredoxin (PICOT; also termed glutaredoxin 3 (Grx3; Glrx3)) is a ubiquitous protein that can interact with the embryonic ectoderm development (EED) protein via each of its two C-terminal PICOT/Grx homology domains. Since EED is
L Björck et al.
Journal of immunology (Baltimore, Md. : 1950), 133(2), 969-974 (1984-08-01)
Protein G, a bacterial cell wall protein with affinity for immunoglobulin G (IgG), has been isolated from a human group G streptococcal strain (G148). Bacterial surface proteins were solubilized by enzymatic digestion with papain. Protein G was isolated by sequential
Elsenoor Klaver et al.
Disease models & mechanisms, 12(6) (2019-05-19)
Global inhibition of N-linked glycosylation broadly reduces glycan occupancy on glycoproteins, but identifying how this inhibition functionally impacts specific glycoproteins is challenging. This limits our understanding of pathogenesis in the congenital disorders of glycosylation (CDG). We used selective exo-enzymatic labeling
Cordula M Stover et al.
Journal of immunology (Baltimore, Md. : 1950), 180(5), 3313-3318 (2008-02-23)
Properdin is a positive regulator of complement activation so far known to be instrumental in the survival of infections with certain serotypes of Neisseria meningitidis. We have generated a fully backcrossed properdin-deficient mouse line by conventional gene-specific targeting. In vitro
Kyle A Nilson et al.
Nucleic acids research, 45(19), 11088-11105 (2017-10-05)
Oxidative stress has pervasive effects on cells but how they respond transcriptionally upon the initial insult is incompletely understood. We developed a nuclear walk-on assay that semi-globally quantifies nascent transcripts in promoter-proximal paused RNA polymerase II (Pol II). Using this
Maksim Erokhin et al.
Development (Cambridge, England), 138(18), 4097-4106 (2011-08-25)
Chromatin insulators are regulatory elements involved in the modulation of enhancer-promoter communication. The 1A2 and Wari insulators are located immediately downstream of the Drosophila yellow and white genes, respectively. Using an assay based on the yeast GAL4 activator, we have
Marta Bosch et al.
Science (New York, N.Y.), 370(6514) (2020-10-17)
Lipid droplets (LDs) are the major lipid storage organelles of eukaryotic cells and a source of nutrients for intracellular pathogens. We demonstrate that mammalian LDs are endowed with a protein-mediated antimicrobial capacity, which is up-regulated by danger signals. In response
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Richard J Ward et al.
Methods in molecular biology (Clifton, N.J.), 259, 225-247 (2004-07-15)
Fusion constructs between G-protein-coupled receptors and G-protein alpha-subunits have been used to examine a variety of aspects of the functioning of these signaling systems. Here we describe some of the various techniques and methods used in detail. The process of
S H Jung et al.
Cell death and differentiation, 23(3), 417-429 (2015-08-08)
Cellular senescence is considered as an important tumor-suppressive mechanism. Here, we demonstrated that heparan sulfate (HS) prevents cellular senescence by fine-tuning of the fibroblast growth factor receptor (FGFR) signaling pathway. We found that depletion of 3'-phosphoadenosine 5'-phosphosulfate synthetase 2 (PAPSS2)
G Yang et al.
Oncogene, 26(1), 91-101 (2006-06-27)
The t(8;21) chromosomal translocation that generates the fusion oncoprotein RUNX1-ETO predominates in leukemia patients of the French-American-British (FAB) class M2 subtype. The oncoprotein has the capacity to promote expansion of hematopoietic stem/progenitor cells and induces leukemia in association with other
Rajesh P Ringe et al.
Journal of virology, 94(6) (2019-12-20)
We covalently attached human immunodeficiency virus type 1 (HIV-1) Env SOSIP trimers to iron oxide nanoparticles (IO-NPs) to create a particulate immunogen for neutralizing antibody (NAb) induction. The attached trimers, ∼20 per particle, retained native-like antigenicity, judged by reactivity with
Interaction of the pacemaker channel HCN1 with filamin A.
Gravante, et al.
The Journal of Biological Chemistry, 279, 43847-43853 (2021)
Juncal Fernández-Orth et al.
European journal of immunology, 51(2), 342-353 (2020-11-11)
The immunological synapse is a transient junction that occurs when the plasma membrane of a T cell comes in close contact with an APC after recognizing a peptide from the antigen-MHC. The interaction starts when CRAC channels embedded in the
Mingxia Liu et al.
Biochimica et biophysica acta, 1862(10 Pt A), 1035-1043 (2017-07-12)
ATP binding cassette transporter A1 (ABCA1) is a membrane transporter that facilitates nascent HDL formation. Tangier disease subjects with complete ABCA1 deficiency have <5% of normal levels of plasma HDL, elevated triglycerides (TGs), and defective vesicular trafficking in fibroblasts and
Rama Kamesh Bikkavilli et al.
Journal of cell science, 123(Pt 8), 1352-1362 (2010-03-25)
Canonical Wnt/beta-catenin signaling is crucial during embryonic development. Upon Wnt stimulation, Dishevelled proteins relay the signal from upstream Frizzled receptors to downstream effectors. By using affinity purification followed by ion-trap mass spectrometry we identified K-homology splicing regulator protein (KSRP) as
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Ruchira Singh et al.
American journal of physiology. Renal physiology, 294(1), F139-F148 (2007-10-26)
Pendred syndrome is due to loss-of-function mutations of Slc26a4, which codes for the HCO(3)(-) transporter pendrin. Loss of pendrin causes deafness via a loss of the K(+) channel Kcnj10 in stria vascularis and consequent loss of the endocochlear potential. Pendrin
B Akerström et al.
Journal of immunology (Baltimore, Md. : 1950), 135(4), 2589-2592 (1985-10-01)
Protein G is an immunoglobulin (IgG)-binding bacterial cell wall protein recently isolated from group G streptococci. We have investigated the avidity of protein G for various monoclonal and polyclonal Ig of the IgG class, and compared it with the binding
Chiara Vidoni et al.
Neurochemistry international, 117, 174-187 (2017-05-24)
Parkinsonian-like motor deficits in Huntington's Disease (HD) patients are associated with abnormal dopamine neurotransmission in the striatum. Dopamine metabolism leads to the formation of oxidized dopamine quinones that exacerbates mitochondrial dysfunction with production of reactive oxygen species (ROS) that eventually
Yi-Jye Chern et al.
Cell death & disease, 10(7), 504-504 (2019-06-28)
Therapy-refractory disease is one of the main contributors of treatment failure in cancer. In colorectal cancer (CRC), SPARC can function as a sensitizer to conventional chemotherapy by enhancing apoptosis by interfering with the activity of Bcl-2. Here, we examine a
Paola Tognini et al.
Cell metabolism, 26(3), 523-538 (2017-09-07)
The circadian clock orchestrates rhythms in physiology and behavior, allowing organismal adaptation to daily environmental changes. While food intake profoundly influences diurnal rhythms in the liver, how nutritional challenges are differentially interpreted by distinct tissue-specific clocks remains poorly explored. Ketogenic
G Nathan Nakken et al.
Journal of applied physiology (Bethesda, Md. : 1985), 108(2), 298-305 (2009-12-05)
Cushing's syndrome is characterized by marked central obesity and insulin insensitivity, effects opposite those seen with chronic AMP-activated protein kinase (AMPK) activation. This study was designed to determine whether chronic exposure to excess glucocorticoids influences LKB1/AMPK signaling in skeletal muscle.
Madhav Kishore et al.
Immunity, 47(5), 875-889 (2017-11-23)
Migration of activated regulatory T (Treg) cells to inflamed tissue is crucial for their immune-modulatory function. While metabolic reprogramming during Treg cell differentiation has been extensively studied, the bioenergetics of Treg cell trafficking remains undefined. We have investigated the metabolic
Sarah L Hayward et al.
Journal of immunological methods, 323(2), 114-122 (2007-05-08)
Autoimmune (Hashimoto's) thyroiditis is a chronic inflammatory disease which affects >3% of the population and shows an increasing prevalence with increasing age. Anti-thyroid autoantibodies, particularly against thyroperoxidase (also known as thyroid peroxidase or TPO), occur commonly in humans with autoimmune
Alessandra Ferraresi et al.
Molecular carcinogenesis, 56(12), 2681-2691 (2017-09-01)
The potential benefit of nutrient starvation in the prevention and treatment of cancer is presently under consideration. Resveratrol (RV), a dietary polyphenol acting as a protein (caloric) restriction mimetic, could substitute for amino acid starvation. The effects of starvation and
Nazli Keskin et al.
Molecular and cellular biology, 35(10), 1741-1753 (2015-03-11)
Insults to cellular health cause p53 protein accumulation, and loss of p53 function leads to tumorigenesis. Thus, p53 has to be tightly controlled. Here we report that the BTB/POZ domain transcription factor PATZ1 (MAZR), previously known for its transcriptional suppressor
Victor Heurtier et al.
Nature communications, 10(1), 1109-1109 (2019-03-09)
Transcription factor networks, together with histone modifications and signalling pathways, underlie the establishment and maintenance of gene regulatory architectures associated with the molecular identity of each cell type. However, how master transcription factors individually impact the epigenomic landscape and orchestrate
Anaïs Darracq et al.
PLoS genetics, 15(11), e1008463-e1008463 (2019-11-02)
Nucleophosmin (NPM1) is frequently mutated or subjected to chromosomal translocation in acute myeloid leukemia (AML). NPM protein is primarily located in the nucleus, but the recurrent NPMc+ mutation, which creates a nuclear export signal, is characterized by cytoplasmic localization and
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