Emmanuel A Ojo

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We have analyzed the impact of in vivo administration of Corynebacterium parvum on the mouse immune system against murine tumors, using the natural cytotoxic ability against tumors of normal mouse lymphoid cells as a baseline. A striking difference was found depending on the route of administration. Intravenous inoculation of bacteria would result in a(More)
Mouse normal lymphoid cells were analysed as to their ability to perform in three cytolytic systems: Ability to act as 'natural killer', NK, cells against a NK sensitive tumour target, YAC; as effector cells against IgG-coated 815 cells, or to function as effector cells against IgG-coated CRBC. NK activity and ADCC against the IgG-coated P815 cells were(More)
Peritoneal exudate cells taken from mice 3 days after intraperitoneal treatment with Corynebacterium parvum (Cp) have been shown to kill specifically certain tumour targets in vitro. We have analysed in detail such Cp-induced cytotoxic cells as to their cellular characteristics, considering the fact that size and charge characteristics of cellular subgroups(More)
OBJECTIVES To assess the impact of hypertension and diabetes mellitus on sentence comprehension in older adults. METHOD Two hundred and ninety-five adults aged 55 to 84 (52% men) participated in this study. Self-report mail survey combined with medical evaluations were used to determine eligibility. Multiple sources were used to determine whether(More)
This study examined the effects of executive control and working memory on older adults' sentence-final word recognition. The question we addressed was the importance of executive functions to this process and how it is modulated by the predictability of the speech material. To this end, we tested 173 neurologically intact adult native English speakers aged(More)
This study explored effects of the metabolic syndrome (MetS) on language in aging. MetS is a constellation of five vascular and metabolic risk factors associated with the development of chronic diseases and increased risk of mortality, as well as brain and cognitive impairments. We tested 281 English-speaking older adults aged 55-84, free of stroke and(More)
Mice were treated with a heterologous anti-IgM serum to obtain B-cell-deprived mice. Spleen cells from normal and B-cell-deprived mice were tested in three different cytolytic systems: natural killer cells (NK); antibody-dependent cell-mediated cytolysis (ADCC) against an NK-sensitive tumour, P815; and ADCC against chicken erythrocytes. The impact of(More)
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