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Table 1 Neutralization sensitivity (IC50) of BaL (tier 1), JR-FL (tier 2), and C34r mutants by purified IgG from HIV-1 infected patients

From: Enhanced antibody-mediated neutralization of HIV-1 variants that are resistant to fusion inhibitors

Patient ID

IC50 (µg/mL)

BaL

JR-FL

C34r

Patient 1

27

>300

>300

Patient 2

119

>300

74

Patient 3

114

>300

190

Patient 4

46

240

61

Patient 5

124

>300

>300

Patient 6

>300

>300

>300

Patient 7

178

>300

8.4

Patient 8

11

30

48

Patient 9

6

66

46

Patient 10

18

>300

161

KTS376

9

45

70

Total neutralized

91 %

36 %

73 %

  1. IC50 of purified IgGs from HIV-1 infected patients against pseudoviruses with envelope from BaL, JR-FL (WT) and C34-resistant mutants were measured using TZM-bl cells