85 research outputs found
Biochemical characteristics and antibiogram patterns of some gram-negative nonfermentors
This study was undertaken, chiefly, for the purpose of characterizing biochemically a random sample of non fermentative bacilli obtained from local hospitals and determining the prevalence of Ps. aeruginosa among them. A second objective was to compare the antibiogram patterns obtained in this study with those reported by other investigators, and thirdly to establish a baseline for future comparative studies
Pan-cancer Alterations of the MYC Oncogene and Its Proximal Network across the Cancer Genome Atlas
Although theMYConcogene has been implicated incancer, a systematic assessment of alterations ofMYC, related transcription factors, and co-regulatoryproteins, forming the proximal MYC network (PMN),across human cancers is lacking. Using computa-tional approaches, we define genomic and proteo-mic features associated with MYC and the PMNacross the 33 cancers of The Cancer Genome Atlas.Pan-cancer, 28% of all samples had at least one ofthe MYC paralogs amplified. In contrast, the MYCantagonists MGA and MNT were the most frequentlymutated or deleted members, proposing a roleas tumor suppressors.MYCalterations were mutu-ally exclusive withPIK3CA,PTEN,APC,orBRAFalterations, suggesting that MYC is a distinct onco-genic driver. Expression analysis revealed MYC-associated pathways in tumor subtypes, such asimmune response and growth factor signaling; chro-matin, translation, and DNA replication/repair wereconserved pan-cancer. This analysis reveals insightsinto MYC biology and is a reference for biomarkersand therapeutics for cancers with alterations ofMYC or the PMN
US and European Household Debt and Credit Constraints
This paper uses micro data from four OECD countries (the United States, Spain, Italy, and the Netherlands), to assess the determinants of household debt holding and to investigate whether or not credit constraints are important for household debt holding. We extend the existing literature in important ways. First, we present comparative evidence for four countries at the micro level, where we rely on household panel data for two countries; we are thus able to control for unobserved heterogeneity via individual household effects and to track changes in household behaviour over time. Second, by making data across countries as comparable as possible, we can explore the importance of the differences in institutional settings for debt incidence, debt outstanding and credit constraints. We also explore the implications for debt holding from consumption models, including a numerically solved precautionary savings model. We find that inter-country differences are substantial and remain even after controlling for a host of observable characteristics. This points to institutional differences between the countries being important
Common Genetic Polymorphisms Influence Blood Biomarker Measurements in COPD
Implementing precision medicine for complex diseases such as chronic obstructive lung disease (COPD) will require extensive use of biomarkers and an in-depth understanding of how genetic, epigenetic, and environmental variations contribute to phenotypic diversity and disease progression. A meta-analysis from two large cohorts of current and former smokers with and without COPD [SPIROMICS (N = 750); COPDGene (N = 590)] was used to identify single nucleotide polymorphisms (SNPs) associated with measurement of 88 blood proteins (protein quantitative trait loci; pQTLs). PQTLs consistently replicated between the two cohorts. Features of pQTLs were compared to previously reported expression QTLs (eQTLs). Inference of causal relations of pQTL genotypes, biomarker measurements, and four clinical COPD phenotypes (airflow obstruction, emphysema, exacerbation history, and chronic bronchitis) were explored using conditional independence tests. We identified 527 highly significant (p 10% of measured variation in 13 protein biomarkers, with a single SNP (rs7041; p = 10−392) explaining 71%-75% of the measured variation in vitamin D binding protein (gene = GC). Some of these pQTLs [e.g., pQTLs for VDBP, sRAGE (gene = AGER), surfactant protein D (gene = SFTPD), and TNFRSF10C] have been previously associated with COPD phenotypes. Most pQTLs were local (cis), but distant (trans) pQTL SNPs in the ABO blood group locus were the top pQTL SNPs for five proteins. The inclusion of pQTL SNPs improved the clinical predictive value for the established association of sRAGE and emphysema, and the explanation of variance (R2) for emphysema improved from 0.3 to 0.4 when the pQTL SNP was included in the model along with clinical covariates. Causal modeling provided insight into specific pQTL-disease relationships for airflow obstruction and emphysema. In conclusion, given the frequency of highly significant local pQTLs, the large amount of variance potentially explained by pQTL, and the differences observed between pQTLs and eQTLs SNPs, we recommend that protein biomarker-disease association studies take into account the potential effect of common local SNPs and that pQTLs be integrated along with eQTLs to uncover disease mechanisms. Large-scale blood biomarker studies would also benefit from close attention to the ABO blood group
The Bankruptcy Abuse Prevention and Consumer Protection Act: Means-Testing or Mean Spirited?
Thousands of U.S. households filed for bankruptcy just before the bankruptcy law changed in 2005. That rush-to-file was more pronounced, we find, in states with more generous bankruptcy exemptions and lower credit scores. We take that finding as evidence that the new law effectively reduces exemptions, which in turn should reduce the “demand” for bankruptcy and the resulting losses to suppliers of consumer credit. We expect the savings to suppliers will be shared with borrowers by way of lower credit card rates, although credit card spreads have not yet fallen. If cheaper credit is the upside of the new law, the downside is reduced bankruptcy “insurance” against bad luck. The overall impact of the new law on the average household depends on how one weighs those two sides
Multifaceted highly targeted sequential multidrug treatment of early ambulatory high-risk SARS-CoV-2 infection (COVID-19)
The SARS-CoV-2 virus spreading across the world has led to surges of COVID-19 illness, hospitalizations, and
death. The complex and multifaceted pathophysiology of life-threatening COVID-19 illness including viral mediated
organ damage, cytokine storm, and thrombosis warrants early interventions to address all components of the devastating
illness. In countries where therapeutic nihilism is prevalent, patients endure escalating symptoms and without
early treatment can succumb to delayed in-hospital
care and death. Prompt early initiation of sequenced multidrug
therapy (SMDT) is a widely and currently available
solution to stem the tide of hospitalizations and death. A
multipronged therapeutic approach includes 1) adjuvant
nutraceuticals, 2) combination intracellular anti-infective
therapy, 3) inhaled/oral corticosteroids, 4) antiplatelet
agents/anticoagulants, 5) supportive care including supplemental
oxygen, monitoring, and telemedicine. Randomized
trials of individual, novel oral therapies have not
delivered tools for physicians to combat the pandemic in
practice. No single therapeutic option thus far has been
entirely effective and therefore a combination is required
at this time. An urgent immediate pivot from single drug to
SMDT regimens should be employed as a critical strategy
to deal with the large numbers of acute COVID-19 patients
with the aim of reducing the intensity and duration
of symptoms and avoiding hospitalization and death
Biochemical characteristics and antibiogram patterns of some gram-negative nonfermentors
This study was undertaken, chiefly, for the purpose of characterizing biochemically a random sample of non fermentative bacilli obtained from local hospitals and determining the prevalence of Ps. aeruginosa among them. A second objective was to compare the antibiogram patterns obtained in this study with those reported by other investigators, and thirdly to establish a baseline for future comparative studies
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