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Content archived on 2024-05-27

Design, synthesis and evaluation of potential group-1 and group-2 neuraminidase inhibitors

Objective

Influenza neuraminidase (NA) is the enzyme that releases influenza virions from the infected cells, cleaving the sialic acid receptor on host cells. It has been recently demonstrated that influenza A has neuraminidase subtypes that belong to two distinct subgroups. The crystal structures of the three subtypes N1, N4 and N8 (group-1 enzymes) were found to be virtually identical in the shapes of their active sites. However they were found to be different when compared to N2 and N9 subtypes (group-2 enzymes). In the case of N1, N4 and N8 subtypes, a loop of amino acids which includes the active site catalytic residue Asp 151, was found to adopt an unusual open conformation compared to the N2 and N9 subtypes in which loop-150 was of a closed conformation. The observation of different active site conformations between certain subtypes of group-1 and group-2 enzymes suggests that these two groups are not only genetically distinct but are also structurally distinct. The main objective of our project is to develop new specific neuraminidase inhibitors with two distinctive important features: 1) a novel general scaffold which provides the correct ring distortion required to mimic both group-1 and group-2 neuraminidase transition-state; 2) further additional groups of suitable shape and size that extend the general structure and fill the cavity-150, with the aim of generate group-1 specific inhibitors. The objectives of the project will be achieved through the employment of multidisciplinary competences, in which the host institutions have enormous experience: design of carbohydrate mimics as inhibitors, libraries synthesis, virus like particles STD-NMR spectroscopy, biological evaluation and molecular modelling.This fellowship will ensure the opportunity for the applicant to be exposed to an international and interdisciplinary context, working on a timely scientific project resulting from the collaboration of two internationally recognized research leaders in glycoscience.

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Topic(s)

Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.

Call for proposal

Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.

FP7-PEOPLE-2012-IOF
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Funding Scheme

Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.

MC-IOF - International Outgoing Fellowships (IOF)

Coordinator

UNIVERSITA DEGLI STUDI DI MILANO
EU contribution
€ 227 893,20
Address
Via Festa Del Perdono 7
20122 Milano
Italy

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Region
Nord-Ovest Lombardia Milano
Activity type
Higher or Secondary Education Establishments
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Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

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