The role of gamma/delta T- and NK cells in immunity and/or pathogenesis to malaria

Gamma/delta T cells have been implicated to participate in the human immune responses to malaria. Activation and increase in the percentage and total numbers of gamma/delta T cells have been observed in the peripheral blood during acute infection.
 

Regulatory T-cell responses in patients with type I allergies

It is well established that IgE antibodies (Abs) to allergens are the predominant and most likely the only isotype of Abs responsible for inducing type I allergic diseases in humans. However, not all individuals exposed to allergens become allergic and moreover, not all individuals with elevated IgE Abs to exogenous antigens show immediate hypersensitivity reactions to these antigens.