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Most of the classical therapies for solid tumors have limitations in achieving long-lasting anti-tumor responses. Therefore, treatment of cancer requires additional and multimodal therapeutic strategies. One option is based on the vaccination of cancer patients with autologous inactivated intact tumor cells. The master requirements of cell-based therapeutic(More)
The highly virulent strain Cu-1 of infectious bursal disease virus caused 100% mortality in 4-week-old specific pathogen-free chickens. In contrast, chickens infected after bursectomy did not become sick and only showed some discrete and transient necrosis in lymphatic tissues. However, these chickens contained infectious virus and, subsequently, produced(More)
Small subunit rRNA sequences have been determined for representative strains of six species of the family Rickettsiaceae: Rickettsia rickettsii, Rickettsia prowazekii, Rickettsia typhi, Coxiella burnetii, Ehrlichia risticii, and Wolbachia persica. The relationships among these sequences and those of other eubacteria show that all members of the family(More)
Although cancer progression is primarily driven by the expansion of tumor cells, the tumor microenvironment and anti-tumor immunity also play important roles. Herein, we consider how tumors can become established by escaping immune surveillance and also how cancer cells can be rendered visible to the immune system by standard therapies such as radiotherapy(More)
Paraffin-embedded tissue sections of 96 surgically removed mammary tumors from female dogs were analyzed for their proliferation state using three different methods. The AgNOR method, originally developed by Ploton and coworkers in 1986, modified and standardized by the AgNOR committee, is an easy, inexpensive silver-staining procedure used to determine(More)
Clinical isolates of the Bacteroides melaninogenicus and Bacteroides fragilis groups were tested for in vitro and in vivo susceptibility to penicillin, clindamycin, and metronidazole, used singly or in combination with gentamicin. The in vitro tests consisted of determinations of minimal inhibitory concentrations (MICs) carried out with or without constant(More)