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Scientific Citations Infinite® 200 PRO Series

Published in peer reviewed high impact journals

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H2O2-Responsive Vesicles Integrated with Transcutaneous Patches for Glucose-Mediated Insulin Delivery

A self-regulated "smart" insulin administration system would be highly desirable for diabetes management. Here, a glucose-responsive insulin delivery device, which integrates H2O2-responsive polymeric vesicles (PVs) with a transcutaneous microneedle-array patch was prepared to achieve a fast response, excellent biocompatibility, and painless administration. The PVs are self-assembled..

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Protein-RNA Networks Regulated by Normal and ALS-Associated Mutant HNRNPA2B1 in the Nervous System

HnRNPA2B1 encodes an RNA binding protein associated with neurodegeneration. However, its function in the nervous system is unclear. Transcriptome-wide crosslinking and immunoprecipitation in mouse spinal cord discover UAGG motifs enriched within approximately 2,500 hnRNP A2/B1 binding sites and an unexpected role for hnRNP A2/B1 in alternative polyadenylation. HnRNP A2/B1 loss results..

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Three-Dimensional Optical Mapping of Nanoparticle Distribution in Intact Tissues

The role of tissue architecture in mediating nanoparticle transport, targeting, and biological effects is unknown due to the lack of tools for imaging nanomaterials in whole organs. Here, we developed a rapid optical mapping technique to image nanomaterials in intact organs ex vivo and in three-dimensions (3D). We engineered a high-throughput electrophoretic flow device to..

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GMars-Q Enables Long-Term Live-Cell Parallelized Reversible Saturable Optical Fluorescence Transitions Nanoscopy

The recent development of reversibly switchable fluorescent proteins (RSFPs) has promoted reversible saturable optical fluorescence transitions (RESOLFT) nanoscopy as a general scheme for live cell super-resolution imaging. However, continuous, long-term live cell RESOLFT nanoscopy is still hindered mainly because of the unsatisfactory properties of existing RSFPs. In this work, we..

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Chemically modified guide RNAs enhance CRISPR-Cas genome editing in human primary cells

CRISPR-Cas-mediated genome editing relies on guide RNAs that direct site-specific DNA cleavage facilitated by the Cas endonuclease. Here we report that chemical alterations to synthesized single guide RNAs (sgRNAs) enhance genome editing efficiency in human primary T cells and CD34(+) hematopoietic stem and progenitor cells. Co-delivering chemically modified sgRNAs with Cas9 mRNA or..

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CXCR3 promotes plaque formation and behavioral deficits in an Alzheimer's disease model

Chemokines are important modulators of neuroinflammation and neurodegeneration. In the brains of Alzheimer's disease (AD) patients and in AD animal models, the chemokine CXCL10 is found in high concentrations, suggesting a pathogenic role for this chemokine and its receptor, CXCR3. Recent studies aimed at addressing the role of CXCR3 in neurological diseases indicate potent, but..

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Antibiotic-induced replication stress triggers bacterial competence by increasing gene dosage near the origin

Streptococcus pneumoniae (pneumococcus) kills nearly 1 million children annually, and the emergence of antibiotic-resistant strains poses a serious threat to human health. Because pneumococci can take up DNA from their environment by a process called competence, genes associated with antibiotic resistance can rapidly spread. Remarkably, competence is activated in response to several..

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Base motif recognition and design of DNA templates for fluorescent silver clusters by machine learning

Discriminative base motifs within DNA templates for fluorescent silver clusters are identified using methods that combine large experimental data sets with machine learning tools for pattern recognition. Combining the discovery of certain multibase motifs important for determining fluorescence brightness with a generative algorithm, the probability of selecting DNA templates that..

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Liposome-supported peritoneal dialysis for detoxification of drugs and endogenous metabolites

Peritoneal dialysis confers therapeutic advantages in patients with renal insufficiency and has proven beneficial in other indications, such as removal of excess metabolites or overdosed drugs. However, it is used in only about 10% of the dialyzed population worldwide, partly owing to the lower clearance rate compared with hemodialysis. We have developed a dialysis medium based on..

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Molybdenum trioxide nanoparticles with intrinsic sulfite oxidase activity

Sulfite oxidase is a mitochondria-located molybdenum-containing enzyme catalyzing the oxidation of sulfite to sulfate in the amino acid and lipid metabolism. Therefore, it plays a major role in detoxification processes, where defects in the enzyme cause a severe infant disease leading to early death with no efficient or cost-effective therapy in sight. Here we report that molybdenum..

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Layer-by-layer assembled antisense DNA microsponge particles for efficient delivery of cancer therapeutics

Antisense oligonucleotides can be employed as a potential approach to effectively treat cancer. However, the inherent instability and inefficient systemic delivery methods for antisense therapeutics remain major challenges to their clinical application. Here, we present a polymerized oligonucleotides (ODNs) that self-assemble during their formation through an enzymatic elongation method..

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Amplification of the MET receptor drives resistance to anti-EGFR therapies in colorectal cancer

EGF receptor (EGFR)-targeted monoclonal antibodies are effective in a subset of metastatic colorectal cancers. Inevitably, all patients develop resistance, which occurs through emergence of KRAS mutations in approximately 50% of the cases. We show that amplification of the MET proto-oncogene is associated with acquired resistance in tumors that do not develop KRAS mutations during..

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Combining phosphate and bacteria removal on chemically active filter membranes allows prolonged storage of drinking water

A chemically active filtration membrane with incorporated lanthanum oxide nanoparticles enables the removal of bacteria and phosphate at the same time and thus provides a simple device for preparation of drinking water and subsequent safe storage without using any kind of disinfectants.

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Increased levels of arginase in patients with acute hepatitis B suppress antiviral T cells

BACKGROUND & AIMS: During viral infection, the activities of virus-specific CD8(+) T cells are carefully regulated to prevent severe damage of the infected organs. We investigated the mechanisms that control the functions of activated T cells. METHODS: We measured the size of the population of activated and proliferating CD8(+) T cells and the functional pattern of CD8(+) T cells..

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Building enhancers from the ground up: a synthetic biology approach

A challenge of the synthetic biology approach is to use our understanding of a system to recreate a biological function with specific properties. We have applied this framework to bacterial enhancers, combining a driver, transcription factor binding sites, and a poised polymerase to create synthetic modular enhancers. Our findings suggest that enhancer-based transcriptional control..

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Association of TNFSF15 polymorphism with irritable bowel syndrome

BACKGROUND: Irritable bowel syndrome (IBS) is the most common gastrointestinal disorder, affecting more than 10% of the general population worldwide. Although a genetic component is suspected, unambiguous susceptibility genes have so far not been identified. This study tested the hypothesis that genes contributing to epithelial barrier integrity, control of mucosal immune responses and..

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Nitration of tyrosine 10 critically enhances amyloid beta aggregation and plaque formation

Part of the inflammatory response in Alzheimer's disease (AD) is the upregulation of the inducible nitric oxide synthase (NOS2) resulting in increased NO production. NO contributes to cell signaling by inducing posttranslational protein modifications. Under pathological conditions there is a shift from the signal transducing actions to the formation of protein tyrosine nitration by..

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CD10+ pancreatic stellate cells enhance the progression of pancreatic cancer

BACKGROUND & AIMS: Pancreatic stellate cells (PSCs) promote the progression of pancreatic cancer by producing extracellular matrix and soluble factors. However, the functional heterogeneity of PSCs has not been identified until now. Detailed characterization of the PSCs in human pancreatic cancer would provide a set of potential targets for stroma-directed therapy. METHODS: We isolated..

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Evolution in regulatory regions rapidly compensates the cost of nonoptimal codon usage

The redundant genetic code contains synonymous codons, whose relative frequencies vary among species. Nonoptimal codon usage lowers gene translation efficiency, potentially leading to a fitness cost. This is particularly relevant for horizontal gene transfer, common among bacteria and a key player in antibiotic resistance propagation. By mimicking the horizontal transfer of an..

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