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  1. 1
    388674
    Peer Reviewed

    [HIV-1 resistance to antiretroviral drugs in pregnant women from Buenos Aires metropolitan area] Resistencia de HIV-1 a drogas antirretrovirales en gestantes del area Metropolitana de Buenos Aires.

    Zapiola I; Cecchini D; Fernandez Giuliano S; Martinez M; Rodriguez C; Bouzas MB

    Medicina. 2016; 76(6):349-354.

    The study aimed to determine the prevalence of antiretroviral resistance associated mutations in HIV-1 infected pregnant woman treated in Buenos Aires metropolitan area (period 2008-2014). A total of 136 women with viral load = 500 copies/ml were included: 77 (56.6%) were treatment-naive and 59 (43.4%) were antiretroviral-experienced patients either with current (n: 24) or previous (n = 35) antiretroviral therapy. Genotypic baseline resistance was investigated in plasma of antiretroviral-naive patients and antiretroviral-experienced patients. The resistance mutations were identified according to the lists of the World Health Organization and the International Antiviral Society, respectively. Frequencies of resistance associated mutations detected in 2008-2011 and 2012-2014 were compared. A total of 37 (27.2%) women presented at least one resistance associated mutation: 25/94 (26.5%) in 2008-2011 and 12/42 (28.5%) in 2012-2014 (p > 0.05). Among naives, 15 (19.5%) had at least one mutation: 10/49 (20.4%) in the period 2008-2011 and 5/28 (17.8%) in 2012-2014 (p > 0.05). The resistance mutations detected in naives were associated with non nucleoside reverse transcriptase inhibitors, being K103N the most common mutation in both periods. In antiretroviral experienced patients, 22/59 (37.3%) had at least one resistance mutation. This study demonstrates a high frequency of resistance associated mutations which remained stable in the period analyzed. These levels suggest an increased circulation of HIV-1 antiretroviral resistant strains in our setting compared to previous reports from Argentina.
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  2. 2
    074782

    Global biodiversity strategy. Guidelines for action to save, study, and use Earth's biotic wealth sustainably and equitably.

    World Resources Institute; World Conservation Union [IUCN]; United Nations Environment Programme [UNEP]; Food and Agriculture Organization of the United Nations [FAO]; UNESCO

    Washington, D.C., WRI, 1992. vi, 244 p.

    Humanity depends on all other forms of life on Earth and its nonliving components including the atmosphere, ocean, bodies of freshwater, rocks, and soils. If humanity is to persist and to develop so that everyone enjoys the most basic of human rights, it must protect the structure, functions, and diversity of the world's natural systems. The World Resources Institute, the World Conservation Union, and the UN Environment Programme have joined together to prepare this strategy for global biodiversity. The first 2 chapters cover the nature and value of biodiversity and losses of biodiversity and their causes. The 3rd chapter presents the strategy for biodiversity conservation which includes the goal of such conservation and its contents and catalysts and 5 actions needed to establish biodiversity conservation. Establishment of a national policy framework for biodiversity conservation is the topic of the 4th chapter. It discusses 3 objectives with various actions to accomplish each objective. Integration of biodiversity conservation into international economic policy is 1 of the 3 objectives of the 5th chapter--creating an international policy environment that supports national biodiversity conservation. Correct imbalances in the control of land and resources is a clear objective in creating conditions and incentives for local biodiversity conservation--the topic of the 6th chapter. The next 3 chapters are devoted to managing biodiversity throughout the human environment; strengthening protected areas; and conserving species, populations, and genetic diversity. The last chapter provides specific actions to improve human capacity to conserve biodiversity including promotion of basic and applied research and assist institutions to disseminate biodiversity information.
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