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The GI-101 human breast tumour xenograft line is unique in that it spontaneously metastasizes to the lungs of athymic murine hosts from subcutaneous trochar implants. Both tumour and lung metastases are positive for normal human breast tissue markers. GI-101 also is positive for the p53 antigen but negative for the c-erbB-2 oncogene.
Do people with multiple sclerosis who receive the majority of their care from neurologists perceive access to and quality of their care differently than people receiving their care from medical internists, family/general practitioners, and other types of physicians? The objective of this study is to identify any patient-identified differences in MS-related(More)
BACKGROUND Chronic disease accounts for nearly three-quarters of US deaths, yet prevalence rates are not consistently reported at the state level and are not available at the sub-state level. This makes it difficult to assess trends in prevalence and impossible to measure sub-state differences. Such county-level differences could inform and direct the(More)
Replication of human immunodeficiency virus type 1 (HIV-1) is restricted to CD4-expressing primate cells. This tropism may be due partly to the absence from nonprimate cells of a species-specific factor which has an accessory role to CD4 during virus penetration. In this study we describe a rat B lymphocyte cell line in which there is efficient(More)
Maps are increasingly used to visualize and analyze data, yet the spatial ramifications of data structure are rarely considered. Data are subject to transformations made throughout the research process and then used to map, visualize and conduct spatial analysis. We used mortality data to answer three research questions: Are there spatial patterns to(More)
This study examines race- and income-based disparities in cancer risks from air toxics in Cancer Alley, LA, USA. Risk estimates were obtained from the 2005 National Air Toxics Assessment and socioeconomic and race data from the 2005 American Community Survey, both at the census tract level. Disparities were assessed using spatially weighted ordinary least(More)
Adult neurons were isolated from turtle retina in order to study the subcellular distribution of muscarinic acetylcholine receptors. Retinas were perfused in vitro with [3H]quinuclidinylbenzilate [3H]QNB) to label muscarinic receptors, and individual neurons with extensive dendritic arborization were obtained for autoradiography by use of papain and(More)
OBJECTIVES This study explored urban and rural differences in mental health needs and treatments among people with multiple sclerosis, as well as their satisfaction with access to and quality of mental health care. METHODS Data were collected in a nationwide survey of 1,518 people with multiple sclerosis. RESULTS More than 40 percent of people with(More)
African Americans in the U.S. often live in poverty and segregated urban neighborhoods, many of which have dense industrial facilities resulting in high exposure to harmful air toxics. This study aims to explore the relationship between racial composition and cancer risks from air toxics exposure in Memphis/Shelby County, Tennessee, U.S.A. Air toxics data(More)
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