Nucleic sequence and deduced protein sequence family with...

C - Chemistry – Metallurgy – 12 – N

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C12N 15/48 (2006.01) A61K 31/70 (2006.01) C07K 14/15 (2006.01) C07K 14/47 (2006.01) C12Q 1/70 (2006.01) A61K 38/00 (2006.01)

Patent

CA 2331923

The invention concerns a novel nucleic sequence and deduced protein sequence family with whole or partial human endogenous retroviral motifs. The invention also concerns the detection and/or the use of said nucleic sequences and said corresponding protein sequences or fragments of said sequences, for diagnostic, prophylactic and therapeutic uses, in particular for neuropathological conditions with autoimmune constituent such as multiple sclerosis. Said purified nucleic acid sequences comprise all or part of a sequence coding for a human endogenous retroviral sequence having at least env-type retroviral motifs, corresponding to the sequence SEQ ID NO:1 or to a sequence having a homology level with said sequence SEQ ID NO:1 not less than 80 % on more than 190 nucleotides or not less than 70 % on more than 600 nucleotides for env-type domains. The invention further concerns the use of the flanking or adjacent sequences of said sequences and controlled by the latter, as diagnostic reagents.

Nouvelle famille de séquences nucléiques et de séquences protéiques déduites, qui présentent des motifs rétroviraux endogénes humains complets ou partiels. Détection et/ou utilisation desdites séquences nucléiques et desdites séquences protéiques correspondantes ou de fragments de ces séquences, dans le cadre d'applications diagnostiques, prophylactiques et thérapeutiques, en particulier pour des neuropathologies à composante autoimmune comme la sclérose en plaques. Lesdites séquences d'acide nucléique purifié comprennent tout ou partie d'une séquence codant pour une séquence rétrovirale endogéne humaine, qui présente au moins des motifs rétroviraux de type env, répondant à la séquence SEQ ID NO:1 ou à une séquence présentant un niveau d'homologie avec ladite séquence SEQ ID NO:1 supérieur ou égal à 80 % sur plus de 190 nucléotides ou supérieur ou égal à 70 % sur plus de 600 nucléotides pour les domaines de type env. Utilisation des séquences flanquantes ou adjacentes desdites séquences et contrôlées par ces dernières, comme réactifs de diagnostic.

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