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COMPOSITION TENSIO-ACTIVE
专利权人:
STELLENBOSCH UNIVERSITY
发明人:
SMITH, JOHAN,VAN ZYL, JOHANN, MARTIN,VAN DER BIJL, PIETER,HAWTREY, ARTHUR, OWEN
申请号:
EP11746932
公开号:
EP2538960A4
申请日:
2011.02.25
申请国别(地区):
EP
年份:
2013
代理人:
摘要:
The disclosure describes a composition comprising a lipidaceous carrier and a peptide complex formed from poly-L-lysine or a salt thereof; and either poly-L-glutamic acid or poly-L-aspartic acid, or a salt thereof. The composition can be used to prevent or treat a disease related to pulmonary surfactant dysfunction, such as hyaline membrane disease (HMD), respiratory distress syndrome (RDS), hydrocarbon poisoning, near-drowning, HIV/AIDS-related lung diseases, adult respiratory distress syndrome (ARDS) or acute lung injury (ALI), asthma, tuberculosis (TB) or severe acute respiratory syndrome (SARS). Alternatively, the composition can be used to increase the permeability of a pharmaceutical compound or composition across a membrane of a subject or to act as a carrier. The poly-L-lysine or salt thereof is longer than the poly-L-glutamic acid or poly-L-aspartic acid so that the complex that forms has a charge-neutralized region and a positively-charged region. The charge-neutralized region of the peptide complex interacts with the lipidaceous carrier, while the positively-charged region interacts with an aqueous and/or polar environment.
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