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IJEB Vol.45(02) [February 2007] >

Title: Evaluation of immune response to bovine rotavirus following oral and intraperitoneal inoculation in mice
Authors: Rathi, Ravinder
Kadian, S K
Khurana, Bharat
Grover, Y P
Gulati, B R
Keywords: Bovine rotavirus
Immune response
Issue Date: Feb-2007
Publisher: CSIR
Abstract:  With a view to use mice as an experimental model for studying immune response to bovine rotavirus (BRV), the kinetics of humoral and cellular immune responses to BRV in mice were evaluated by immunizing through intraperitoneal and oral route with UK strain of BRV. Following immunization with BRV, anti-rotavirus antibodies was developed in mice. The mean log antibody titres as measured by ELISA in mice immunized by intraperitoneal route were significantly higher than those immunized by oral route. Significant cellular immune response was observed in BRV-immunized mice on stimulation with BRV antigen, as measured by lymphocyte proliferation assay. The thymidine uptake by splenic and mesenteric lymph-node cells of intraperitoneally immunized mice on stimulation with BRV was 21328±1225 and 739±55 CPM, respectively. The splenic cells showed significantly higher stimulation (stimulation index 12.98) as compared to those of mesenteric cells (stimulation index 1.57). Foot pad inoculation test showed maximum virus-specific delayed type hypersensitivity reaction at 24 hr post-challenge following primary immunization and at 18 hr post-challenge following secondary immunization. The results indicate that BRV immunization by intraperitoneal route generates more efficient immune response in mice than by oral route and this route may be used for immune response studies involving BRV infection.
Page(s): 212-216
ISSN: 0975-1009 (Online); 0019-5189 (Print)
Source:IJEB Vol.45(02) [February 2007]

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