Research Article

Modulation of LPS-Induced CD4+ T-Cell Activation and Apoptosis by Antioxidants in Untreated Asymptomatic HIV Infected Participants: An In Vitro Study

Table 3

The % annexin V+/7-AAD− staining of the HIV positive and the control groups.

% Annexin VHIV positive groupControl value (HIV and controls) value for LPS activation and inhibition by antioxidants in HIV+ group -value for controls

Unstimulated1.6 (0.9–4)1.9 (1.2–2.3)0.49
LPS-activated cells3.3 (1.6–5.6)2.5 (2.0–3.2)0.170.110.007**
LPS + VIT C3.6 (1.9–4.2)2.6 (2.1–3.4)0.260.840.44
LPS + NAC3.4 (1.2–4.3)2.6 (2.2–3.4)0.550.540.66
LPS + CKTL1.8 (1.0–3.7)1.9 (1.5–2.4)0.960.02**0.008**

All the values are median (interquartile range) percentages of cells staining with annexin V/7-AAD− of the HIV positive and control groups, unstimulated and stimulated with LPS and incubated overnight. *Medians are marginally significant at . **Medians significant at .