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The peroxide regulator (PerR) is a ferric uptake repressor-like protein, which is involved in adaptation to oxidative stress and iron homeostasis in group A streptococcus. A perR mutant is attenuated in surviving in human blood, colonization of the pharynx, and resistance to phagocytic clearance, indicating that the PerR regulon affects both host(More)
The service-orientated computing paradigm is transforming traditional workflow management from a close and centralized control system into a worldwide dynamic business process. A complete workflow serving inter-enterprise collaboration should include both internal processes and ad hoc external processes. This paper presents an agent-based workflow model to(More)
Vanilloid receptor 1 (TRPV1) has been proposed to be the principal heat-responsive channel for nociceptive neurons. The skin of both rat and mouse receives major projections from primary sensory afferents that bind the plant lectin isolectin B4 (IB4). The majority of IB4-positive neurons are known to be heat-responsive nociceptors. Previous studies(More)
A dense population, global connectivity and frequent human-animal interaction give southern China an important role in the spread and emergence of infectious disease. However, patterns of person-to-person contact relevant to the spread of directly transmitted infections such as influenza remain poorly quantified in the region. We conducted a household-based(More)
Service-oriented architecture (SOA) has become a widely accepted approach that provides a flexible IT infrastructure in order to deal with the increasing pace of business changes and global competition. However, the evolution of SOA challenges traditional research methodologies and motivates us to explore new approaches for analyzing and evaluating the(More)
Dengue is one of the most important emerging vector-borne viral diseases. There are four serotypes of dengue viruses (DENV), each of which is capable of causing self-limited dengue fever (DF) or even life-threatening dengue hemorrhagic fever (DHF) and dengue shock syndrome (DSS). The major clinical manifestations of severe DENV disease are vascular leakage,(More)
A key observation about the human immune response to repeated exposure to influenza A is that the first strain infecting an individual apparently produces the strongest adaptive immune response. Although antibody titers measure that response, the interpretation of titers to multiple strains--from the same sera--in terms of infection history is clouded by(More)
TDP-43 is the major pathological protein identified in the cellular inclusions in amyotrophic lateral sclerosis and frontotemporal lobar degeneration. The pathogenic forms of TDP-43 are processed C-terminal fragments containing a truncated RNA-recognition motif (RRM2) and a glycine-rich region. Although extensive studies have focused on this protein, it(More)