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Whether there is selection for specific viral Env variants upon HIV-1 transmission is controversial. We examined the V1V2 and V1V4 regions of Env in 10 new and 8 previously described transmission pairs infected with HIV-1 subtype B, including a total of 9 pairs in which the infecting partner had developed substantial viral diversity prior to transmission. We found that during transmission of HIV-1...
Expression of the CD40 ligand (CD40L) on tumors can activate host immune systems and produce antitumor effects against the tumors. To deliver the CD40L gene efficiently, we evaluated the efficiency of transduction of different serotypes of adeno-associated virus (AAV) vectors in lung cancer A549 cells and compared the transduction efficiency of a conventional AAV vector with that of self-complementary...
We have investigated the IFN-mediated inhibition of human parainfluenza virus-3 (HPIV-3) replication in cultured human A549 cells. IFN-α inhibited the virus yield significantly with concomitant reduction of viral RNA accumulation by more than 90%. Further studies indicated that the inhibitory action of IFN was at the level of primary transcription of HPIV3 replication. Since the IFN-inducible protein,...
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