Method for developing, testing and using associates of...

A - Human Necessities – 61 – K

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Details

A61K 9/127 (2006.01) A61K 38/17 (2006.01) A61K 38/28 (2006.01) G01N 33/53 (2006.01)

Patent

CA 2309633

This invention describes the principles and procedures suitable for developing, testing, manufacturing, and using combinations of various amphipatic, if necessary modified, macromolecules (such as polypeptides, proteins, etc.) or other chain molecules (such as suitable, e.g. partly hydrophobised, polynucleotides or polysaccharides) with the aggregates which comprise a mixture of polar and/or charged amphipats and form extended surfaces that can be freely suspended or supported. The described methods can be utilised for the optimisation of aggregates that, after association with chain molecules exerting some activity or a useful function, are suitable for the application in vitro or in vivo, for example, in the fields of drug delivery, diagnostics or bio/catalysis. As special examples, mixtures of vesicular droplets consisting of lipids loaded (associated) with insulin, interferon, interleukin, nerve growth factor, calcitonin, and an immunoglobulin, etc., are described.

L'invention décrit les principes et les modes opératoires convenant pour mettre au point, tester, fabriquer, et utiliser des combinaisons de diverses macromolécules amphipatiques (telles que des polypeptides, des protéines, etc), le cas échéant modifiées, ou bien d'autres molécules linéaires (telles que des polynucléotides ou des polysaccharides appropriés, par exemple partiellement hydrophobisés) avec les agrégats qui comportent un mélange d'amphipates polaires et/ou chargés et forment des surfaces allongées qui peuvent être suspendues ou supportées librement. Les procédés décrits peuvent s'utiliser pour l'optimisation d'agrégats qui, après association avec des molécules linéaires exerçant une certaine activité ou une fonction utile, conviennent pour l'application in vitro ou in vivo, par exemple, dans les domaines de l'apport médicamenteux, des diagnostics ou de la bio/catalyse. A titre d'exemples particuliers sont décrits des mélanges de gouttelettes vésiculaires constituées de lipides chargés (associés) avec l'insuline, l'interféron, l'interleukine, le facteur de croissance neuronal, la calcitonine et une immunoglobuline, etc.

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