TABLE 1.

Expression of the mucosal homing receptor α4β7 on SIV-specific CD8⁺ T cells in peripheral blood of vaccinated monkeys

Animal	SIV strain or immunizationa	% Tetramer-binding cellsb	% α4β7+ of:
			Tetramer+ cellsc	CD3+ CD8+ T cellsd
118.87	Δnef	0.28	36	41
353.88	Δnef	0.31	58	73
71.88	Δnef	0.56	46	60
313.91	Δ3	0.95	84	79
96118	DNA i.d./MVA i.d.	1.69	5	67
96123	DNA i.d./MVA i.d.	0.77	5	42
94004	DNA i.d./MVA i.d.	9.10	6	41
19777	Wild-type SIVmac	0.93	81	62
95114	Wild-type SIVmac	0.32	22	36
158.87	Uninfected	0.03	0	78

^ai.d., intradermal. 

^bPercentage of Mamu-A*01/p11C,C→M tetramer-binding cells in PBMC determined after gating on CD3⁺ CD8⁺ lymphocytes. 

^cPercentage of CD3⁺ CD8⁺ tetramer-binding cells that also express α4β7 integrin. 

^dPercentage of all CD3⁺ CD8⁺ lymphocytes that express α4β7.