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Articles 1 - 3 of 3
Full-Text Articles in Immunology of Infectious Disease
Ph And Calcium Dependence Of Hemolysis Due To Rickettsia Prowazekii: Comparison With Phospholipase Activity, David M. Ojcius, M. Thibon, C. Mounier, Alice Dautry-Varsat
Ph And Calcium Dependence Of Hemolysis Due To Rickettsia Prowazekii: Comparison With Phospholipase Activity, David M. Ojcius, M. Thibon, C. Mounier, Alice Dautry-Varsat
All Dugoni School of Dentistry Faculty Articles
Rickettsia prowazekii invades nucleated cells through phagocytosis and subsequently proliferates in the cytoplasm of the host cell. Hemolysis and a phospholipase A2 (PLA2) activity at neutral pHs have previously been reported; even though the phagosomal environment is most likely acidic. We here show that R. prowazekii and R. typhi also lyse erythrocytes at mildly acidic pHs, compatible with an early phagosomal compartment. For R. prowazekii, hemolysis at an acidic pH but not a neutral pH is enhanced by Ca2+, raising the possibility that more than one membranolytic factor may be produced by the rickettsiae. The rickettsiae alone display PLA2 activity, …
Cucumber Mosiac Virus In Lupins, Annette Bwye, Roger Jones, Wayne Proudlove
Cucumber Mosiac Virus In Lupins, Annette Bwye, Roger Jones, Wayne Proudlove
Journal of the Department of Agriculture, Western Australia, Series 4
Cucumber mosaic virus is a threat to lupin crops from Geraldton to Esperance, particularly to those growing in areas receiving more than 400 mm average annual rainfall. The disease markedly decreases grain yield in narrow-leafed and yellow lupins but doesnot infect albus or sandplain lupins. Worldwide , after bean yellow mosaic virus, cucumber mosaic virus is the second most important virus affecting lupins. Annette Bwye, Roger Jones and Wayne Proudlove outline the symptoms, spread and management of this serious disease.
Phase Ii Trial Of Murine Monoclonal Antibody D612 Combined With Recombinant Human Monocyte Colony-Stimulating Factor (Rhm-Csf) In Patients With Metastatic Gastrointestinal Cancer, Mansoor Saleh, Michael Khazaeli, Richard Wheeler, Pat Bucy, Tiepe Liu, Michael Everson, David Mun, Jeff Schlom
Phase Ii Trial Of Murine Monoclonal Antibody D612 Combined With Recombinant Human Monocyte Colony-Stimulating Factor (Rhm-Csf) In Patients With Metastatic Gastrointestinal Cancer, Mansoor Saleh, Michael Khazaeli, Richard Wheeler, Pat Bucy, Tiepe Liu, Michael Everson, David Mun, Jeff Schlom
Haematology and Oncology, East Africa
In a Phase II study, 14 patients with metastatic gastrointestinal cancer received the mAb D612 (40 mg/m2, days 4, 7, and 11) in combination with recombinant human monocyte colony-stimulating factor [(rhM-CSF) 80 ug/kg/days 1-14]. The combined treatment was well tolerated and resulted in characteristic biological activity associated with each of the agents. Thus, 10 of 14 patients experienced D612-associated secretory diarrhea, which responded to the prostaglandin inhibitor Indomethacin in 5 of 7 patients. rhM-CSF therapy was associated with peripheral mono- cytosis (peak absolute monocyte count, 1444 ±394/mm3) and thrombocytopenia (nadir count, 78 ±10/nim '). Monocyte surface marker analysis revealed a …