Interaction(s) of rotavirus non-structural protein 4 (NSP4) C-terminal peptides with model membranes

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Interaction(s) of rotavirus non-structural protein 4 (NSP4) C-terminal peptides with model membranes.

Rotavirus is the major cause of dehydrating gastroenteritis in children and young animals. NSP4 (non-structural protein 4), a rotaviral non-structural glycoprotein and a peptide NSP4(114-135) (DKLTTREIEQVELLKRIYDKLT), corresponding to NSP4 amino acids 114-135, induce diarrhoeal disease in a neonatal mouse model and interact with model membranes that mimic caveolae. Correlation of the mechanisms...

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Elucidation of the Rotavirus NSP4-Caveolin-1 and -Cholesterol Interactions Using Synthetic Peptides

Rotavirus (RV) NSP4, the first described viral enterotoxin, is a multifunctional glycoprotein that contributes to viral pathogenesis, morphogenesis, and replication. NSP4 binds both termini of caveolin-1 and is isolated from caveolae fractions that are rich in anionic phospholipids and cholesterol. These interactions indicate that cholesterol/caveolin-1 plays a role in NSP4 transport to the cel...

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Rotavirus NSP4 protein as a viral biotoxin selectively promotes cytotoxicity

Abstract Background and Aims: The number of new cancer cases with considerable mortality is increasing worldwide. Since the inability of current therapies in treatment of patients and prevention the progress of tumors with fewer side effects, implementation of new methods is needed. Gene therapy has widespread systemic cytotoxic effects against tumor cells. Rotavirus NSP4 has been shown to...

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The rotavirus enterotoxin NSP4 directly interacts with the caveolar structural protein caveolin-1.

Rotavirus nonstructural protein 4 (NSP4) is known to function as an intracellular receptor at the endoplasmic reticulum (ER) critical to viral morphogenesis and is the first characterized viral enterotoxin. Exogenously added NSP4 induces diarrhea in rodent pups and stimulates secretory chloride currents across intestinal segments as measured in Ussing chambers. Circular dichroism studies furthe...

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Rotavirus Nonstructural Protein 4 (NSP4)-Viral Enterotoxin with Multiple roles in Pathogenesis of Diarrhoea in Children

Article history: Received on: 06/05/2015 Revised on: 24/05/2015 Accepted on: 14/07/2015 Available online: 27/07/2015 Nonstructural protein 4 (NSP4) of Rotavirus has been designated as the first viral enterotoxin. Its role in viral replication is already well known. Intensive research over the past decade has shown the involvement of this protein in many cellular activities both in ‘expressed’ a...

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ژورنال

عنوان ژورنال: Biochemical Journal

سال: 2004

ISSN: 0264-6021,1470-8728

DOI: 10.1042/bj20031789