A characteristic of the human eye that enables the cornea to be transplanted with a 90% success rate is that _____.(Select all that apply.)
A) antigen-presenting cells in the eye do not express the co-stimulatory molecule B7
B) the cornea is not vascularized
C) anterior-chamber-associated immune deviation (ACAID) establishes a state of tolerance in the eye
D) only regulatory T cells express the adhesion molecules necessary to enter the cornea
E) the aqueous humor of the anterior chamber contains TGF- ,which downregulates CD40 and inhibits IL-12 secretion.
Correct Answer:
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