15,820 research outputs found

    Beyond capitalism and liberal democracy: on the relevance of GDH Cole’s sociological critique and alternative

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    This article argues for a return to the social thought of the often ignored early 20th-century English thinker GDH Cole. The authors contend that Cole combined a sociological critique of capitalism and liberal democracy with a well-developed alternative in his work on guild socialism bearing particular relevance to advanced capitalist societies. Both of these, with their focus on the limitations on ‘free communal service’ in associations and the inability of capitalism to yield emancipation in either production or consumption, are relevant to social theorists looking to understand, critique and contribute to the subversion of neoliberalism. Therefore, the authors suggest that Cole’s associational sociology, and the invitation it provides to think of formations beyond capitalism and liberal democracy, is a timely and valuable resource which should be returned to

    S15RS SGR No. 6 (Disability Access)

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    A RESOLUTION To Urge and Request the Louisiana State University (LSU) Disability Services to reevaluate campus accessiblity for permanently and temporarily disabled students

    When is Command-and-Control Efficient? Institutions, Technology and the Comparative Efficiency of Alternative Regulatory Regimes for Environmental Protection

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    The nominal efficiency of a regulatory regime is determined by comparing its social costs and benefits; the regime is nominally efficient if it produces benefits in excess of its costs. Thus, a regulatory regime can be at once nominally efficient and relatively inefficient. A regulatory regime that is nominally efficient in the early days of pollution-control efforts, when increments of environmental quality are relatively cheap, may (but will not necessarily) grow less efficient over time - producing less return on each dollar invested - as increments of environmental quality grow increasingly expensive. A regulatory regime that is more efficient in one institutional and technological setting may be less efficient (or inefficient) in another. In reality, however, this outcome will occur only under certain conditions; specifically, when the regulatory regime as a whole is more efficient. The discussion begins, for the sake of comparison, with a brief review of the conventional story of the Clean Air Act\u27s regulatory regime. In addition, in 1987 the EPA wrapped up a small-scale and temporary but highly successful experiment in tradable rights to lead-content in gasoline. Like other institutions in society, those of environmental protection (including the regulatory regime itself) tend to evolve slowly, incrementally, and inconsistently. In large measure, the choice of regulatory regime depends on the goals and concerns of policy-makers

    Protecting Private Property with Constitutional Judicial Review: A Social Welfare Approach

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    This article uses a social welfare approach to determine if and when the institution of constitutional judicial review of property regulation and expropriation is efficient. A model is proposed in which property rights protection is a component of social costs. Constitutional judicial review is assumed to either add to or subtract on net from those costs, affecting social welfare generally. It will be shown that under realistic conditions, reflected in real instances, that constitutional judicial review might not enhance economic efficiency or overall social welfare. We show that the efficiency of constitutional judicial review is likely to vary within the larger institutional context

    A Compensatory Mutation Provides Resistance to Disparate HIV Fusion Inhibitor Peptides and Enhances Membrane Fusion

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    Fusion inhibitors are a class of antiretroviral drugs used to prevent entry of HIV into host cells. Many of the fusion inhibitors being developed, including the drug enfuvirtide, are peptides designed to competitively inhibit the viral fusion protein gp41. With the emergence of drug resistance, there is an increased need for effective and unique alternatives within this class of antivirals. One such alternative is a class of cyclic, cationic, antimicrobial peptides known as θ-defensins, which are produced by many non-human primates and exhibit broad-spectrum antiviral and antibacterial activity. Currently, the θ-defensin analog RC-101 is being developed as a microbicide due to its specific antiviral activity, lack of toxicity to cells and tissues, and safety in animals. Understanding potential RC-101 resistance, and how resistance to other fusion inhibitors affects RC-101 susceptibility, is critical for future development. In previous studies, we identified a mutant, R5-tropic virus that had evolved partial resistance to RC-101 during in vitro selection. Here, we report that a secondary mutation in gp41 was found to restore replicative fitness, membrane fusion, and the rate of viral entry, which were compromised by an initial mutation providing partial RC-101 resistance. Interestingly, we show that RC-101 is effective against two enfuvirtide-resistant mutants, demonstrating the clinical importance of RC-101 as a unique fusion inhibitor. These findings both expand our understanding of HIV drug-resistance to diverse peptide fusion inhibitors and emphasize the significance of compensatory gp41 mutations. © 2013 Wood et al

    17,β-estradiol inhibits hepatitis C virus mainly by interference with the release phase of its life cycle

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    Rationale & Aim: Estrogen and estrogen-mediated signalling protect from hepatitis C virus through incompletely understood mechanisms. We aimed to ascertain which phase(s) of HCV life cycle is/are affected by estrogens. Methods: Huh7 cells infected with the JFH1 virus (genotype 2a) were exposed to dehydroepiandrosterone, testosterone, progesterone and 17β-estradiol (tested with/without its receptor antagonist fulvestrant). Dose-response curves were established to calculate IC50 values. To dissect how 17β-estradiol interferes with phases of HCV life cycle, its effects were measured on the HCV pseudo-particle system (viral entry), the sub-genomic replicon N17/JFH1 and the replicon cell line Huh7-J17 (viral replication). Finally, in a dual-step infection model, infectious supernatants, collected from infected cells exposed to hormones, were used to infect naïve cells. Results: Progesterone and testosterone showed no inhibitory effect on HCV; dehydroepiandrosterone was only mildly inhibitory. In contrast, 17β-estradiol inhibited infection by 64-67% (IC50 values 140 to 160 nM). Fulvestrant reverted the inhibition by 17β-estradiol in a dose-dependent manner. 17β-estradiol exerted only a slight inhibition (<20%) on HCV pseudo-particles, and had no effect on cells either transiently or stably (Huh7-J17 cells) expressing the N17/JFH1 replicon. In the dual-step infection model, a significant IC50 decline occurred between primary (134 nM) and secondary (100 nM) infections (p=0.02), with extracellular HCV RNA and infectivity being reduced to a higher degree in comparison to its intracellular counterpart. Conclusions: 17β-estradiol inhibits HCV acting through its intracellular receptors, mainly interfering with late phases (assembly/release) of the HCV life cycle
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