Charles A Mebus

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African swine fever virus (ASFV) is a large, intracytoplasmically-replicating DNA arbovirus and the sole member of the family Asfarviridae. It is the etiologic agent of a highly lethal hemorrhagic disease of domestic swine and therefore extensively studied to elucidate the structures, genes, and mechanisms affecting viral replication in the host, virus-host(More)
BACKGROUND Rheumatoid arthritis is a heterogeneous chronic disease, and no therapeutic agent has been identified which is universally and persistently effective in all patients. We investigated the effectiveness of tofacitinib (CP-690,550), a novel oral Janus kinase inhibitor, as a targeted immunomodulator and disease-modifying therapy for rheumatoid(More)
The thermostability of a rinderpest vaccine produced on Vero cells was evaluated using a variety of chemical stabilizers and lyophilization protocols. Three stabilizer preparations and three lyophilization schedules were examined using accelerated stability testing at 37 degrees C. The vaccine preparation exhibiting the greatest stability at 37 degrees C(More)
A previously undescribed obligate intracellular bacterium was isolated from an aborted bovine fetus. The organism was resistant to penicillin, replicated within cytoplasmic vacuoles, exhibited structural characteristics compatible with the rickettsias, and shared antigenic determinants with Cowdria ruminantium.
Macrophages play an important role in defense against invading pathogens and neoplastic diseases. Their ability to maintain their functional characteristics is also important in the survival of the host. Loss of macrophage function during infection may be important in determining resistance or susceptibility of a host species. In this communication, we(More)
African swine fever virus (ASFV) specific, cytotoxic T lymphocyte (CTL) activity has been studied in a protection model in which SLA inbred miniature swine are experimentally inoculated with a naturally occurring, non-fatal ASFV isolate (NHV). Peripheral blood mononuclear cells (PBMC) from such infected swine show significant activity in CTL assays, using(More)