Culture supernatants of splenocytes from C57BL/6 mice were exposed to 0.3, 1.0, and 3.0 microg/ml cordycepin plus 3.0 microg/ml lipopolysaccharide (LPS) to investigate the effects of cordycepin (3'-deoxyadenosine) on the production of inflammatory cytokines. Co-administration of 3.0 microg/ml cordycepin with LPS in cultured murine spleen cells significantly diminished the expression of the infl...

Although formaldehyde is well known to cause type 4 hypersensitivity, immunoglobulin E (IgE)-mediated hypersensitivity to formaldehyde is rare. Here, we report a case of recurrent generalized urticaria after endodontic treatment using a para-formaldehyde (PFA)-containing root canal sealant and present a review of previous studies describing cases of immediate hypersensitivity reactions to forma...

Drug hypersensitivity reactions are adverse reactions to drugs that were administered at a dose that is tolerated by normal subjects, but produce symptoms that, from a clinical perspective, resemble an allergy. The revised nomenclature for allergies classifies hypersensitivity reactions to drugs as either allergic or non allergic. Drug allergies occur when immunologic mechanisms have been demon...

T cell-dependent activation of resident tissue mast cells is required for the elicitation of delayed-type hypersensitivity skin reactions in mice. A T cell-derived antigen-binding factor that transfers the ability to elicit an immediate hypersensitivity-like skin reaction is described and compared with a hybridoma IgE antibody. Both the T cell factor and IgE mediate reactions with increased vas...

these were similar between all groups.When comparisons were made between the groups, these areas showed statistically significant differences: 1) Practitioners who see more patients with EoE more frequently were more likely to perform testing for immediate hypersensitivities to aeroallergens and foods. 2) Practitioners who participate more often in workshops were less likely to perfrom patch te...

these were similar between all groups.When comparisons were made between the groups, these areas showed statistically significant differences: 1) Practitioners who see more patients with EoE more frequently were more likely to perform testing for immediate hypersensitivities to aeroallergens and foods. 2) Practitioners who participate more often in workshops were less likely to perfrom patch te...