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From the following article:

Inflammatory stimuli induce accumulation of MHC class II complexes on dendritic cells

Marina Cella, Anneke Engering, Valerie Pinet, Jean Pieters and Antonio Lanzavecchia

Nature 388, 782-787(21 August 1997)

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Figure 1

Increased expression of surface and total class II molecules in DC stimulated with LPS or TNF-alpha.

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Figure 2

Extensive internalization and recycling of MHC class II molecules in immature DC is progressively lost together with endocytic activity following maturation.

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Figure 3

Immature DC can efficiently load antigenic peptides on both recycling and newly synthesized MHC class II molecules.

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Figure 4

Transient upregulation of MHC class II synthesis in maturing DC.

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Figure 5

Maturation increases generation of SDS-stable class II dimers containing antigenic peptides.

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Figure 6

Maturation stimuli increase the half-life of class II molecules from approx10 to >100 hours.

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Figure 7

Maturation allows DC to maintain memory of antigens encountered.

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