Kruti Patel

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A double-mutant E224A/E262A full-length botulinum neurotoxin (BoNT) Type A with structural similarity to native BoNT/A but lacking the endopeptidase activity provides an ideal surrogate for testing pharmacokinetics and immunochemical characteristics of BoNT. We determined lethality (LD50) of deactivated recombinant botulinum neurotoxin (drBoNT/A) to be 24.0(More)
Botulinum neurotoxins (BoNTs) are the most toxic proteins known to cause flaccid muscle paralysis as a result of inhibition of neurotransmitter release from peripheral cholinergic synapses. BoNT type A (BoNT/A) is a 150 kDa protein consisting of two major subunits: light chain (LC) and heavy chain (HC). The LC is required for the catalytic activity of(More)
INTRODUCTION Botulinum neurotoxins (BoNTs) are proteins responsible for the deadly paralytic disease botulism. Extreme toxicity, ease of production and lack of antidotes against BoNT makes it a category A biothreat agent, according to the United States Center of Disease Control and Prevention. The only available therapy for BoNT is an equine antitoxin(More)
Hemophagocytic lymphohistiocytosis (HLH) is an aggressive, life-threatening syndrome of excessive immune activation. HLH clinically presents with fever, pancytopenia, splenomegaly, and hemophagocytosis in the bone marrow, lymph nodes, or liver. A proposed mechanism for HLH is a paradoxical downregulation of various aspects of the immune response, including(More)
Botulinum neurotoxins (BoNTs) are Category A agents on the NIAID (National Institute of Allergy and Infectious Diseases) priority pathogen list owing to their extreme toxicity and the relative ease of production. These deadly toxins, in minute quantities (estimated human i.v. lethal dose LD50 of 1-2 ng/kg body weight), cause fatal flaccid paralysis by(More)
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