15 research outputs found

    The Declining Allure of Being “American” and the Proliferation of Corporate Tax Inversions: A Critical Analysis of Regulatory Efforts to Curtail the Inversion Trend

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    In the realm of tax policy, within which there is rarely broad-based consensus, there are few topics as polarizing as corporate tax inversions. An inversion is a paper transaction in which a US corporation reincorporates abroad to realize strategic tax benefits, without actually transplanting its operations overseas. These transactions necessarily reduce the US corporate income tax base, because although an inverted corporation is still taxed the same amount on income earned within the United States, it will no longer have to remit tax payments to the US Department of the Treasury (“Treasury”) for income earned abroad. This reduction in the tax base is especially troubling given that the national debt exceeds $19 trillion, the US credit rating is experiencing unprecedented volatility, and the annual US government deficit ranges from hundreds of billions to more than a trillion dollars per year. Given the current state of the domestic economy, the notion of successful US corporations nominally moving their headquarters abroad to alleviate their tax burden is unpalatable for many. Others do not fault inverters for acting in the interests of their shareholders, and simply see the trend as evidence of the need for substantial corporate tax reform so that the United States can become more globally competitive as a home for businesses. However, those with opposing viewpoints may be closer together than they realize, and meaningful reform may be attainable if productive dialogue can be facilitated. This Note provides an overview of trends in corporate taxation, the thirty-year history of inversions and governmental attempts to contain them, and an analysis of recent anti-inversion regulations proposed by Treasury in September 2014. Finally, this Note critiques the legislative and regulatory framework that attempts to restrict the practice of inversions, and provides a suggestion for constructively responding to the trend. Given the passion and diversity of viewpoints on the issue, arriving at a national consensus on how to respond to the recent proliferation of inversions presents an extraordinary challenge. There may, however, be enough common ground for lawmakers to craft a solution that removes the incentive for corporations to invert, thereby shoring up the tax base and making the US economy more competitive globally. In light of the substantial—and rapidly growing—national debt, there is no better time to critically reevaluate the policies and priorities of corporate taxation

    Effect of vessel wettability on the foamability of "ideal" surfactants and "real-world" beer heads

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    The ability to tailor the foaming properties of a solution by controlling its chemical composition is highly desirable and has been the subject of extensive research driven by a range of applications. However, the control of foams by varying the wettability of the foaming vessel has been less widely reported. This work investigates the effect of the wettability of the side walls of vessels used for the in situ generation of foam by shaking aqueous solutions of three different types of model surfactant systems (non-ionic, anionic and cationic surfactants) along with four different beers (Guinness Original, Banks’s Bitter, Bass No 1 and Harvest Pale). We found that hydrophilic vials increased the foamability only for the three model systems but increased foam stability for all foams except the model cationic system. We then compared stability of beer foams produced by shaking and pouring and demonstrated weak qualitative agreement between both foam methods. We also showed how wettability of the glass controls bubble nucleation for beers and champagne and used this effect to control exactly where bubbles form using simple wettability patterns

    Building the Future Therapies for Down Syndrome:The Third International Conference of the T21 Research Society

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    Research focused on Down syndrome has increased in the last several years to advance understanding of the consequences of trisomy 21 (T21) on molecular and cellular processes and, ultimately, on individuals with Down syndrome. The Trisomy 21 Research Society (T21RS) is the premier scientific organization for researchers and clinicians studying Down syndrome. The Third International Conference of T21RS, held June 6-9, 2019, in Barcelona, Spain, brought together 429 scientists, families, and industry representatives to share the latest discoveries on underlying cellular and molecular mechanisms of T21, define cognitive and behavioral challenges and better understand comorbidities associated with Down syndrome, including Alzheimer's disease and leukemia. Presentation of cutting-edge results in neuroscience, neurology, model systems, psychology, cancer, biomarkers and molecular and phar-ma-cological therapeutic approaches demonstrate the compelling interest and continuing advancement in all aspects of understanding and ameliorating conditions associated with T21

    Finishing the euchromatic sequence of the human genome

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    The sequence of the human genome encodes the genetic instructions for human physiology, as well as rich information about human evolution. In 2001, the International Human Genome Sequencing Consortium reported a draft sequence of the euchromatic portion of the human genome. Since then, the international collaboration has worked to convert this draft into a genome sequence with high accuracy and nearly complete coverage. Here, we report the result of this finishing process. The current genome sequence (Build 35) contains 2.85 billion nucleotides interrupted by only 341 gaps. It covers ∌99% of the euchromatic genome and is accurate to an error rate of ∌1 event per 100,000 bases. Many of the remaining euchromatic gaps are associated with segmental duplications and will require focused work with new methods. The near-complete sequence, the first for a vertebrate, greatly improves the precision of biological analyses of the human genome including studies of gene number, birth and death. Notably, the human enome seems to encode only 20,000-25,000 protein-coding genes. The genome sequence reported here should serve as a firm foundation for biomedical research in the decades ahead

    Reproductive Accomodations for Gestation in the Atlantic Guitarfish, Rhinobatos lentiginosus, Rhinobatidae

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    The Atlantic guitarfish, Rhinobatos lentiginosus, is characterized by aplacental yolk sac viviparity. Modifications of the female reproductive tract support this form of development in which embryos depend exclusively on yolk sac contents for nutrition throughout gestation. The uterus is characterized by rich vascularization. Uterine epithelium is cuboidal except atop the luminal vessels where it changes to simple squamous. This arrangement reduces the diffusion distance for gas exchange. Two layers of smooth muscle, an interior circular and an outer longitudinal layer make up the wall of the uterus. Jelly coats and the egg envelope that surround the fertilized egg are produced by the oviducal gland (OG). Later in gestation , embryos eclose (hatch) from the egg envelope to complete development free in the uterus. The uterus does not contribute any supplemental nutrients to augment the yolk stores. Longitudinal folds covered in simple columnar ciliated epithelium, except at the base of the folds where secretory columnar cells populate the crypt, characterize the oviduct. Club, papillary, baffle and terminal zones comprise the OG. Club and papillary zones produce various components of the egg jelly. The club zone provides the jelly immediately surrounding the egg and the papillary zone adds additional jelly components. Secretory cells of the club and papillary zones contain strongly PAS+ granules. The baffle zone comprises the majority of the gland and produces the egg envelope. Simple tubular baffle zone glands empty their secretions to secretory ducts that are confluent with the spinneret. Two adjacent semicircular baffle plates covered with cilia comprise the spinneret. As secretory product passes through the spinneret, the baffle plates deflect the flow to create the various layers of the egg envelope, each with slightly different orientations to create a plyboard type of laminate. Baffle zone secretory granules are PAS-. The terminal zone lacks deep tubules and has secretory crypts. Sperm are not observed in the OG

    The Mercury Resistance (Mer) Operon In A Marine Gliding Flavobacterium, Tenacibaculum Discolor 9a5

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    Genes conferring mercury resistance have been investigated in a variety of bacteria and archaea but not in bacteria of the phylum Bacteroidetes, despite their importance in many environments. We found, however, that a marine gliding Bacteroidetes species, Tenacibaculum discolor, was the predominant mercury-resistant bacterial taxon cultured from a salt marsh fertilized with mercury-contaminated sewage sludge. Here we report characterization of the mercuric reductase and the narrow-spectrum mercury resistance (mer) operon from one of these strains T. discolor 9A5. This mer operon, which confers mercury resistance when cloned into Flavobacterium johnsoniae, encodes a novel mercury-responsive ArsR/SmtB family transcriptional regulator that appears to have evolved independently from other mercury-responsive regulators, a novel putative transport protein consisting of a fusion between the integral membrane Hg(II) transporter MerT and the periplasmic Hg(II)-binding protein MerP, an additional MerP protein, and a mercuric reductase that is phylogenetically distinct from other known mercuric reductases

    Application of laser capture microdissection combined with two-dimensional electrophoresis for the discovery of differentially regulated proteins in pancreatic ductal adenocarcinoma

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    Pancreatic ductal adenocarcinoma (PDAC) is the most lethal of all the common malignancies and markers for early detection or targets for treatment of this disease are urgently required. The disease is characterised by a strong stromal response, with cancer cells usually representing a relatively small proportion of the cells in the tumor mass. We therefore performed laser capture microdissection (LCM) to enrich for both normal and malignant pancreatic ductal epithelial cells. Proteins extracted from these cells were then separated by two-dimensional gel electrophoresis (2-DE). The limited amounts of protein in the LCM procured samples necessitated the detection of 2-DE resolved proteins by silver staining. Consequently, loading equivalent amounts of protein onto gels was essential. However, we found that conventional means of measuring total protein in the samples were not sufficiently accurate. We therefore adopted a strategy in which the samples were first separated by one-dimensional sodium dodecyl sulphate-polyacryl-amide gel electrophoresis, stained with silver stain and subjected to densitometry. Evaluation of the staining intensity was then used to normalise the samples. We found that the protein profiles from undissected normal pancreas and LCM-acquired nonmalignant ductal epithelial cells from the same tissue block were different, underpinning the value of LCM in our analysis. The comparisons of protein profiles from nonmalignant and malignant ductal epithelial cells revealed nine protein spots that were consistently differentially regulated. Five of these proteins showed increased expression in tumor cells while four showed diminished expression in these cells. One of the proteins displaying enhanced expression in tumor cells was identified as the calcium-binding protein, S100A6. To determine the incidence of S100A6 overexpression in pancreatic cancer, we carried out immunohistochemical analysis on sections from a pancreas cancer tissue array containing 174 duplicate normal and malignant pancreatic tissue samples, from 46 pancreas cancer patients. Normal pancreatic ductal epithelia were either devoid of detectable S100A6 or showed weak expression only. Moderately or poorly differentiated tumors, by contrast, showed a higher incidence and a higher level of S100A6 expression. These observations indicate that the combination of LCM with 2-DE provides an effective strategy to discover proteins that are differentially expressed in PDAC.</p
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