Abstract:
:In vitro leucocyte proliferative responses to parasite antigens and to mitogens as well as lymphocyte sub-types were compared in guinea pigs with genetically determined differences in their ability to express protective immunity against Trichostronylus colubriformis infection. Proliferative responses to parasite antigens were greatest in high-responder (HR) animals, but cells from low-responder (LR) animals were generally more responsive to mitogens. However, HR circulating leucocytes were more responsive to the T-cell-dependent B-cell mitogen pokeweed mitogen (PWM), and the response of HR, but not LR, cells increased during primary infection with T. colubriformis. Flow cytometry revealed significantly greater numbers of circulating B-cells in HR animals and, as observed for responsiveness to PWM, the number of circulating B-cells increased in HR, but not LR, animals during primary infection with this parasite. These findings suggest a larger and more labile population of B-cells in HR guinea pigs.
journal_name
Parasitol Resjournal_title
Parasitology researchauthors
Manjili MH,Sangster NC,Rothwell TLdoi
10.1007/s004360050048subject
Has Abstractpub_date
2000-04-01 00:00:00pages
311-7issue
4eissn
0932-0113issn
1432-1955journal_volume
86pub_type
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