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Mouse Otx2 is a bicoid-class homeobox gene, related to the Drosophila orthodenticle (otd) gene. Expression of this gene is initially widespread in the epiblast at embryonic day 5.5 but becomes progressively restricted to the anterior end of the embryo at the headfold stage. In flies, loss of function mutations in otd result in deletion of pre-antennal and(More)
OBJECTIVE There is growing concern that chronic mentally ill adults living in the community have a high risk for HIV infection. The purpose of this study was to identify risk knowledge, high-risk behaviors, and risk-related encounters of chronic psychiatric outpatients. METHOD Detailed information on high-risk behaviors and risk-related situations during(More)
We have developed a novel induction gene trap approach that preselects in vitro for integrations into genes that lie downstream of receptor/ligand-mediated signaling pathways. Using this approach, we have identified 20 gene trap integrations in embryonic stem cells, 9 of which were induced and 11 of which were repressed after exposure to exogenous retinoic(More)
BACKGROUND AND PURPOSE Peer norms influence the adoption of behavior changes to reduce risk for HIV (human immunodeficiency virus) infection. By experimentally intervening at a community level to modify risk behavior norms, it may be possible to promote generalized reductions in HIV risk practices within a population. METHODS We trained persons reliably(More)
Whereas some people appear to cope after learning that they have human immunodeficiency virus (HIV) infection, others experience depression and suicidal ideation. In this study, 142 persons with HIV infection were administered the Center for Epidemiological Studies Depression Scale (CES-D). High levels of depression were predicted by lower perceived social(More)
Most acquired immunodeficiency syndrome (AIDS) service providers are in countries with little access to scientific developments relevant to their programs. It is critical to transfer advances from the scientific arena to service providers on a global scale. Human immunodeficiency virus (HIV) prevention organizations in 78 countries were randomized to(More)
HIV prevalence is alarmingly high among persons with serious mental illness and severely mentally ill adults frequently engage in high-risk behavior practices. This study evaluated the effectiveness of a small-group HIV risk reduction intervention offered to 189 men and women in outpatient programs for severely mentally ill adults. Participants screened for(More)
Research investigating HIV-risk sexual behaviors of men who have sex with men usually combines gay and bisexual men, treating them as a single, homogeneous group. However, gay and bisexual men may differ in their HIV risk behavior and in psychological characteristics indicative of risk. Exclusively gay (N = 1,180) and bisexual men (N = 136) completed(More)
OBJECTIVE Community home health care workers and their clients are faced with a mixture of occupational health and safety challenges that are not typically experienced by health care providers or patients in the acute care sector. The aim of this project was to explore the concept of safety in community home health in one health care authority in British(More)
OBJECTIVES It is critical to extend community-level acquired immunodeficiency syndrome (AIDS) prevention efforts beyond education alone and to develop models that better encourage behavioral changes. Gay men in small cities are vulnerable to human immunodeficiency virus (HIV) infection due to continued high rates of risk behavior. This research introduced(More)