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The present study identified a linear B-cell epitope in the Eastern equine encephalitis virus (EEEV) E2 glycoprotein by screening a phage-displayed random 12-mer peptide library using an EEEV E2 specific monoclonal antibody (mAb) 7C11 and defined L/F-E/R-Y-T-W-G/R-N-H/W-P as the consensus binding motif. A sequence ((321)EGLEYTWGNHPP(332)) encompassing this(More)
Immunohistologic studies were performed to identify the phenotype and distribution of neoplastic lymphocytes in the spleens of BLV-negative animals examined by PCR and diagnosed as having sporadic bovine leukosis. Tumor cells from three cases of sporadic bovine leukosis were identified as of B-cell lineage. Tumor cells from three additional cattle were(More)
In order to characterize the phenotypes of tumor cells and to clarify from which B cell lineage the lymphomas were derived, ten cows with enzootic bovine leukosis were examined by means of immunohistologic staining and flow cytometry. The tumor cells expressed mainly major histocompatibility complex (MHC) class II+ (10/10), BoCD11b+ (9/10), IgG1+ (8/10),(More)
Immunocytochemical and flow cytometry techniques were used to examine T-lymphocyte subpopulations in peripheral blood lymphocytes (PBLs) and spleen from cases of enzootic bovine leukosis (EBL) in adult cattle, and from normal cattle (adult and young), with a panel of monoclonal antibodies against bovine leucocyte differentiation molecules. Both in PBLs and(More)
Immunohistochemistry and flow cytometric analysis were used with monoclonal antibodies to examine the phenotype of neoplastic cells from cattle with sporadic bovine leukosis (three cases of calf form, two cases of thymic form, and three cases of intermediate form). Three cases of calf form and two cases of intermediate form were positive for B cell lineage(More)
Nectin-2, also known as poliovirus receptor-related 2 or CD112, has been identified in many animals and plays a crucial role in cell recognition and adhesion. Here we report the identification of two porcine Nectin-2 (poNectin-2) isoforms. The open reading frame (ORF) of 1440 nucleotides (nt) of poNectin-2alpha encodes 479 amino acids (aa). poNectin-2delta(More)
The distribution of subpopulations of lymphocytes in lymph nodes and tumors from cattle with enzootic bovine leukosis (EBL) was examined by immunohistochemistry using a panel of monclonal antibodies against leukocyte differentiation molecules of EBL. The lesions in lymph nodes could be divided into three types based on the extent of infiltration and(More)
We examined bovine c-myb gene expression in six samples of sporadic bovine lymphomas (two calf, three thymic and one intermediate) and five of enzootic bovine leukosis. Tumor cells of the sporadic bovine lymphomas were of immature cell lineage (one B lymphoma and five T lymphomas). The c-myb mRNA was expressed in almost all the sporadic bovine lymphomas(More)