The present invention relates to a branched or unbranched free or glycosidically bound polysialic acid according to general formula (1) as given as follows (poly-α(2 → 8 or 2 → 9)Neu5Ac)n (1) wherein Neu5Ac is N-acetylneuraminic acid, and n is an integer in the range from 14 to 26 and/or pharmaceutically acceptable salts thereof, a polysaccharide composition comprising the polysialic acid (1), and the use as a medicament, particularly in the therapeutic and/or prophylactic treatment of degenerative, demyelinating and inflammatory diseases of the central nervous system, and degenerative or inflammatory retinal diseases.
本发明涉及如下通式(1)的支链或不支链游离或糖苷结合多ialic acid (poly-α(2 → 8 或 2 → 9)Neu5Ac)n (1) 其中 Neu5Ac 为
N-乙酰神经氨酸,n 为 14-26 之间的整数,和/或其药学上可接受的盐、一种包含多聚糖酸(1)的
多糖组合物,以及其作为药物的用途,特别是在治疗和/或预防中枢神经系统的退行性、脱髓鞘和炎症性疾病,以及退行性或炎症性视网膜疾病中的用途。