TLR 2 Signaling Renders Quiescent Naive and Memory CD 4 T Cells More Susceptible to Productive Infection with X 4 and R 5 HIV - Type 11

HIV - Type 1 Productive Infection with X 4 and R 5 T Cells More Susceptible to + Memory CD 4 TLR 2 Signaling Renders Quiescent

LFA-1 is a key determinant for preferential infection of memory CD4+ T cells by human immunodeficiency virus type 1.

Memory CD4+ T cells are considered a stable latent reservoir for human immunodeficiency virus type 1 (HIV-1) and a barrier to eradication of this retroviral infection in patients under therapy. It has been shown that memory CD4+ T cells are preferentially infected with HIV-1, but the exact mechanism(s) responsible for this higher susceptibility remains obscure. Previous findings indicate that i...

Both memory and CD45RA+/CD62L+ naive CD4(+) T cells are infected in human immunodeficiency virus type 1-infected individuals.

Cellular activation is critical for the propagation of human immunodeficiency virus type 1 (HIV-1) infection. It has been suggested that truly naive CD4(+) T cells are resistant to productive HIV-1 infection because of their constitutive resting state. Memory and naive CD4(+) T-cell subsets from 11 HIV-1-infected individuals were isolated ex vivo by a combination of magnetic bead depletion and ...

T Lymphocytes in AIDS Patients With Tuberculosis

CD 4 + and CD 8 + T lymphocyte counts, naive and memory/effector CD 4 + T subpopulations, and the expression of CD 38 on CD 8 + T lymphocytes were evaluated in four groups: AIDS patients with tuberculosis (HIV/TB, n=14), HIV-1 infected patients (HIV, n=10), HIV-1 negative patients with tuberculosis (TB, n=20) and healthy controls (CTL, n=17). TB and HIV had fewer CD 4 + T cells than CTL, with t...

Loss of inducible virus in CD45RA naive cells after human immunodeficiency virus-1 entry accounts for preferential viral replication in CD45RO memory cells.

Controversy exists concerning the preferential infection and replication of human immunodeficiency virus-1 (HIV-1) within naive (CD45RA+) and memory (CD45RO+) subsets of CD4+ lymphocytes. To explore the susceptibility of these subsets to HIV-1 infection, we purified CD45RA+/CD4+ (RA) and CD45RO+/CD4+ (RO) cells from normal donors and subjected them to a novel monokine activation culture scheme....