Effect of polysaccharide capsule and methods of preparation on human lymphocyte proliferation in response to Cryptococcus neoformans.

Abstract excerpt

Cryptococcus neoformans is a pathogenic encapsulated yeast that infects patients that have defective cell-mediated immunity, including AIDS patients. Whole cryptococcal organisms that are killed by heating stimulate normal human lymphocytes to proliferate. However, strains of C. neoformans vary widely in virulence and therefore in their ability to cause disease in humans. To determine the effect of virulence...

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