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A lipid-peptide microbicide inactivates herpes simplex virus
Charles E Isaacs1, Jun Hua Jia, Weimin Xu
1New York State Institute for Basic Research in Developmental Disabilities, Department of Developmental Biochemistry, Staten Island, New York 10314, USA. chisi@cunyvm.cuny.edu
Antimicrobial Agents and Chemotherapy
|July 27, 2004
Summary
A novel microbicide combining 1-O-octyl-sn-glycerol (OG) and peptide D2A21 demonstrates potent inactivation of herpes simplex virus types 1 and 2 (HSV-1 and HSV-2). This combination therapy offers a promising new approach for preventing HSV infections.
Area of Science:
- Virology
- Microbiology
- Drug Discovery
Background:
- Herpes simplex virus types 1 and 2 (HSV-1 and HSV-2) are common human pathogens.
- Effective microbicides are needed to prevent HSV transmission.
Purpose of the Study:
- To evaluate the antiviral efficacy of a combination microbicide comprising 1-O-octyl-sn-glycerol (OG) and peptide D2A21 against HSV-1 and HSV-2.
Main Methods:
- Herpes simplex virus types 1 and 2 were exposed to the combination of OG and D2A21.
- Viral titers were measured after incubation to assess inactivation.
Main Results:
- The combination of OG and D2A21 reduced HSV-1 and HSV-2 titers by at least 1,000-fold.
- This synergistic effect was significantly greater than that of OG or D2A21 used alone.
- Rapid inactivation was observed, with HSV-1 reduced by > or =1,000-fold in <=10 minutes and HSV-2 in <=20 minutes.
Conclusions:
- The combination of OG and D2A21 exhibits potent and rapid microbicidal activity against HSV-1 and HSV-2.
- This synergistic microbicide represents a promising candidate for the prevention of herpes simplex virus infections.