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1.  Antibiotic clearance of Ehrlichia canis from dogs infected by intravenous inoculation of carrier blood 
Ehrlichia canis is the etiologic agent of canine monocytic ehrlichiosis (CME) and is a useful model for tick-borne zoonotic pathogens, many of which infect dogs. The purpose of this study was to evaluate rifampin and doxycycline regimens for clearance of E. canis infections in addition to alleviation of CME. Beagles were infected with E. canis by intravenous inoculation with carrier blood and treated with either rifampin or doxycycline after the acute phase of CME. Improved hematological values demonstrated that both treatments effectively relieved signs of the disease. Peripheral blood from all dogs became PCR-negative after antibiotic treatment, suggesting that these infections were eliminated and that rifampin is an effective alternative chemotherapeutic agent for treatment of CME.
doi:10.1196/annals.1428.087
PMCID: PMC3052985  PMID: 19120226
Ehrlichia canis; Rhipicephalus sanguineus; ehrlichiosis; doxycycline; rifampin
4.  Race and ancestry in biomedical research: exploring the challenges 
Genome Medicine  2009;1(1):8.
The use of race in biomedical research has, for decades, been a source of social controversy. However, recent events, such as the adoption of racially targeted pharmaceuticals, have raised the profile of the race issue. In addition, we are entering an era in which genomic research is increasingly focused on the nature and extent of human genetic variation, often examined by population, which leads to heightened potential for misunderstandings or misuse of terms concerning genetic variation and race. Here, we draw together the perspectives of participants in a recent interdisciplinary workshop on ancestry and health in medicine in order to explore the use of race in research issue from the vantage point of a variety of disciplines. We review the nature of the race controversy in the context of biomedical research and highlight several challenges to policy action, including restrictions resulting from commercial or regulatory considerations, the difficulty in presenting precise terminology in the media, and drifting or ambiguous definitions of key terms.
doi:10.1186/gm8
PMCID: PMC2651580  PMID: 19348695

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