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Table 1 Putative HIV receptor expression on oral keratinocytes

From: Oral keratinocytes support non-replicative infection and transfer of harbored HIV-1 to permissive cells

Receptor Function TE
(Mean ± SD)a
TERT-2
(Mean ± SD)b
CD104 (β4 integrin) transmembrane protein expressed predominantly in epithelial cells [32] 80 ± 11 83 ± 4
HSPGs HIV gp120 binding [70] 13 ± 7 91 ± 20
GalCer HIV gp120 binding [71] 4 ± 0.1 < 1
CD4 HIV gp120 binding [72] < 1.0 < 1
CXCR4 X4-tropic chemokine co-receptor [73] < 1.0 3.5 ± 2
CCR5 R5-tropic chemokine co-receptor [73] < 1.0 < 1
CD3, CD11a/LFA-1, CD32, CD64, CD89, DC-SIGN, Macrophage Mannose Receptor   < 1.0 Not tested
Human fibroblast   4 ± 4 Not tested
  1. a Mean ± SD of four independent experiments (1 experiment from tissue no. 164 and 193, and 2 experiments from tissue no. 196)
  2. b Mean ± SD of three independent experiments
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