Results 21 to 30 of about 958,820 (304)

A video of best practice recommendations for making botulinum toxin therapy safe during the COVID-19 pandemic

open access: yes, 2021
The physician and patient come into close contact during botulinum toxin treatments, increasing the chances of COVID-19 infection. Therefore, it is essential to use an effective injection method that can prevent infection with SARS-CoV-2 virus.
Altavista, Maria Concetta   +4 more
core   +1 more source

Inhibition of development of Shiga toxin-converting bacteriophages by either treatment with citrate or amino acid starvation [PDF]

open access: yes, 2012
Objectives: Shiga toxin–producing Escherichia coli (STEC) are pathogenic strains, whose virulence depends on induction of Shiga toxin–converting prophages and their subsequent lytic development.
Bożena Nejman-Faleńczyk   +9 more
core   +2 more sources

SjAPI, the first functionally characterized Ascaris-type protease inhibitor from animal venoms. [PDF]

open access: yesPLoS ONE, 2013
Serine protease inhibitors act as modulators of serine proteases, playing important roles in protecting animal toxin peptides from degradation. However, all known serine protease inhibitors discovered thus far from animal venom belong to the Kunitz-type ...
Zongyun Chen   +7 more
doaj   +1 more source

Structure-based redesign of an edema toxin inhibitor [PDF]

open access: yesBioorganic & Medicinal Chemistry, 2012
Edema factor (EF) toxin of Bacillus anthracis (NIAID category A), and several other toxins from NIAID category B Biodefense target bacteria are adenylyl cyclases or adenylyl cyclase agonists that catalyze the conversion of ATP to 3',5'-cyclic adenosine monophosphate (cAMP).
Deliang, Chen   +9 more
openaire   +2 more sources

p38 mediates T-2 toxin-induced Leydig cell testosterone synthesis disorder

open access: yesEcotoxicology and Environmental Safety, 2023
T-2 toxin is an unavoidable food and feed contaminant that seriously threatens human and animal health. Exposure to T-2 toxin can cause testosterone synthesis disorder in male animals, but the molecular mechanism is still not completely clear.
Xu Yang   +9 more
doaj   +1 more source

Structural insights into Clostridium perfringens delta toxin pore formation [PDF]

open access: yes, 2013
Clostridium perfringens Delta toxin is one of the three hemolysin-like proteins produced by C. perfringens type C and possibly type B strains. One of the others, NetB, has been shown to be the major cause of Avian Nectrotic Enteritis, which following the
Claire E Naylor   +37 more
core   +1 more source

Exploring Toxins for Hunting SARS-CoV-2 Main Protease Inhibitors: Molecular Docking, Molecular Dynamics, Pharmacokinetic Properties, and Reactome Study

open access: yesPharmaceuticals, 2022
The main protease (Mpro) is a potential druggable target in SARS-CoV-2 replication. Herein, an in silico study was conducted to mine for Mpro inhibitors from toxin sources.
Mahmoud A. A. Ibrahim   +11 more
doaj   +1 more source

Gas phase characterization of the noncovalent quaternary structure of Cholera toxin and the Cholera toxin B subunit pentamer [PDF]

open access: yes, 2006
Cholera toxin (CTx) is an AB5 cytotonic protein that has medical relevance in cholera and as a novel mucosal adjuvant. Here, we report an analysis of the noncovalent homopentameric complex of CTx B chain (CTx B5) using electrospray ionization triple ...
Jennings, Keith R.   +15 more
core   +1 more source

Shiga toxin 2-induced intestinal pathology in infant rabbits is A-subunit dependent and responsive to the tyrosine kinase and potential ZAK inhibitor imatinib

open access: yesFrontiers in Cellular and Infection Microbiology, 2012
Shiga toxin producing Escherichia coli (STEC) are a major cause of food-borne illness worldwide. However, a consensus regarding the role Shiga toxins play in the onset of diarrhea and hemorrhagic colitis is lacking.
Samuel eStone   +10 more
doaj   +1 more source

The light chain of tetanus toxin inhibits calcium-dependent vasopressin release from permeabilized nerve endings [PDF]

open access: yes, 1992
The effects of tetanus toxin and its light and heavy chain subunits on vasopressin release were investigated in digitonin-permeabilized neurosecretory nerve terminals isolated from the neural lobe of the rat pituitary gland.
Weller, U.   +5 more
core   +1 more source

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