2 research outputs found
Frequency of specific anti-toxoplasma gondii lgM, lgA and IgE in Colombian patients with acute and chronic ocular toxoplasmosis
We studied the frequency of specific anti-Toxoplasma IgM, IgA and IgE
antibodies in serum of 28 immunocompetent Colombian patients, selected
by ophthalmologists and with lesions that were compatible with ocular
toxoplasmosis. Patients were classified in three groups: (i) group 1
consisted of ten patients with a first episode; (ii) group 2 with seven
patients with a recurrence and (iii) group 3, consisted of eleven
patients with chronic chorioretinal lesion without uveitis. We found
that 10/28 (35%) of Colombian patients with ocular toxoplasmosis
possessed at least one serological marker for Toxoplasma infection
different from IgG. In group 1 (first episode), we found simultaneous
presence of specific IgM plus IgA plus IgE in 1/10 (10%). In group 2
(recurrences) in 1/7(14%) we found IgM and IgA test positives and in
1/7(14%) we found IgM and IgE tests positives. In group 3 (toxoplasmic
chorioretinal scar) the IgA serological test was positive in 2/11(18%).
These results show that serum IgM or IgA or IgE can be present during
recurrences