Despite advances in HIV care and treatment in the U.S., disparities in outcomes along the HIV care continuum persist.
View Article and Find Full Text PDFJ Interpers Violence
October 2022
Interracial violence is a high-profile issue in the United States; however, there is little empirical research on interracial intimate partner violence (IPV). Interracial relationships are becoming more common. However, interracial couples continue to face stressors (e.
View Article and Find Full Text PDFInt J Offender Ther Comp Criminol
June 2021
Military sexual violence (MSV) is a prevalent issue that uniquely affects mission readiness. Although research on MSV and social media is growing, examinations of possible interventions like those employing social media in this population are scant. Given the growing interest in targeting MSV, the present systematic review was conducted.
View Article and Find Full Text PDFPhysical and emotional pain from combat-related injuries and experiences are serious problems among Latino veterans. This study fleshes out existing cultural constructs and concepts (e.g.
View Article and Find Full Text PDFRemote limb ischemic preconditioning (RIPC) has shown to improve dynamic postural control in humans. However, studies on the underlying adaptations of spinal cord networks have never been performed. The present work addresses this issue by investigating parameters from the soleus H-reflex recruitment curve (RC), presynaptic mechanisms of reflex modulation (presynaptic inhibition-PSI, and post activation depression-PAD), and the excursion of the center of pressure (CP) recorded during 1 min in upright stance over a compliant surface.
View Article and Find Full Text PDFViolence Against Women
March 2021
This study considers variations of intimate partner violence (IPV) from the point of the perpetrator to test the impact of demographic factors on the type of IPV most prevalent among pre-9/11 and post-9/11 military families from the National Longitudinal Study of Adolescent to Adult Health (1994-2008): Waves I and IV in-home interviews ( = 499). Study findings indicate that the perpetration of physical and sexual IPV depends on the context of veteran cohort and race/ethnicity. Models for substance use and IPV patterns were not similar across military cohorts and/or racial/ethnic groups.
View Article and Find Full Text PDFSubst Use Misuse
October 2020
Using structural equation modeling, this study considers variations of intimate partner violence (IPV) among military families from the point of the perpetrator to test previously established empirical models on military subgroups in order to observe the impact of demographic factors on the type of IPV most prevalent among Post-9/11 military families from the National Longitudinal Study of Adolescent to Adult Health (1994-2008): Waves I and IV in-home interviews ( 499). Study findings indicate that the perpetration of physical and sexual IPV varies across race/ethnicity perpetrator profiles. Models for substance use and IPV patterns were not similar across military cohorts and or racial/ethnic groups.
View Article and Find Full Text PDFUsing structural equation modeling to examine intimate partner violence (IPV) among post-Gulf War and post-9/11 military families, this study considers variations of IPV from the point of the perpetrator to test the impact of demographic factors on the type of IPV most prevalent among military perpetrators. The study sample contains information about 449 male veterans from the National Longitudinal Study of Adolescent to Adult Health (1994-2008): Waves I and IV in-home interviews. Study findings indicate that the perpetration of physical and sexual IPV depends on the context of veteran cohort and race/ethnicity.
View Article and Find Full Text PDFAlong with service members, military families bear the brute consequences of global U.S. military intervention.
View Article and Find Full Text PDFLike all retroviruses, human immunodeficiency virus type 1 (HIV-1) undergoes reverse transcription during its replication cycle. The cellular cofactors potentially involved in this process still remain to be identified. We show here that A-kinase anchoring protein 149 (AKAP149) interacts with HIV-1 reverse transcriptase (RT) in both the yeast two-hybrid system and human cells.
View Article and Find Full Text PDFPBO (pyrrolobenzoxazepinone) derivatives are non-nucleoside reverse transcriptase inhibitors (NNRTIs), which display a selective interaction with the catalytic ternary complex of HIV-1 reverse transcriptase (RT) and its substrates. In order to develop novel PBOs with improved resistance profiles, we synthesised additional PBO derivatives, specifically designed to target highly conserved residues in the beta12-beta13 hairpin, the so-called "primer grip" region of HIV-1 RT. Here, we investigated the biochemical and enzymological mechanism of inhibition of HIV-1 RT wild type and carrying NNRTIs-resistance mutations, by these derivatives.
View Article and Find Full Text PDFThe non-nucleoside reverse transcriptase (RT) inhibitor (NNRTI)-binding pocket of HIV-1 RT spans codons 100-110, 180-190 and 220-240 and mutations in these domains are responsible for HIV-1 NNRTI resistance. Recombinant HIV-1 strains carrying G190S/A/E, G190S+T215Y, T215Y and K103N mutations were constructed to evaluate susceptibility to both NNRTIs and nucleoside RT inhibitors (NRTIs). In addition, purified recombinant RT enzymes were obtained to determine the degree of in vitro inhibition by drugs of both classes.
View Article and Find Full Text PDFNovel arylthio isopropyl pyridinylmethylpyrrolemethanol (AThP) derivatives 3-5, which are related to capravirine (S-1153), were synthesized and tested for their ability to block the replication cycle of HIV-1 in infected cells. The newly synthesized AThPs are active in the concentration range of 0.008-53 microM.
View Article and Find Full Text PDFTIBO- and TBO-like sulfone derivatives 1 and 2 were designed, synthesized, and tested for their ability to block the replication cycle of HIV-1 in infected cells. The anti-HIV-1 activities of sulfones 3, which were intermediates in the syntheses of 1 and 2, were also evaluated. Surprisingly, the sulfone analogues of TIBO R82913 (compounds 1) were inactive, whereas interesting results were obtained for truncated derivatives 2.
View Article and Find Full Text PDFS-Aryl-S-DABO derivatives, a novel subclass of S-DABO anti-HIV-1 agents, were synthesized via Ullmann type reaction starting from the corresponding 2-thiouracils by the aid of microwave irradiation. The results of their evaluation as inhibitors of RT are reported together with their antiviral activity in cellular assays.
View Article and Find Full Text PDFA simple and efficient methodology for the parallel solution-phase synthesis has been set up to obtain a series of thiouracils, in turn selectively S-benzylated under microwave irradiation to give new S-DABOs. Biological screening led to the identification of compounds with nanomolar activity toward both the highly purified recombinant human immunodeficiency virus type 1 (HIV-1) reverse transcriptase (RT) enzyme (wild-type and mutants) and wild-type (wt) and mutant HIV-1 strains. In particular, 20 was found to be the most potent S-DABO reported so far (ID50 = 26 nM toward the isolated wt enzyme) with subnanomolar activity toward both the wt and the pluriresistant virus (IRLL98) HIV-1 strain (EC50 < 0.
View Article and Find Full Text PDFIndolyl aryl sulfone (IAS) nonnucleoside inhibitors have been shown to potently inhibit the growth of wild-type and drug-resistant human immunodeficiency virus type 1 (HIV-1), but their exact mechanism of action has not been elucidated yet. Here, we describe the mechanism of inhibition of HIV-1 reverse transcriptase (RT) by selected IAS derivatives. Our results showed that, depending on the substitutions introduced in the IAS common pharmacophore, these compounds can be made selective for different enzyme-substrate complexes.
View Article and Find Full Text PDFObjective: To report the clinical, laboratory and sonographic findings in 76 adult cases of dengue hemorrhagic fever (DHF).
Patients And Methods: A dengue 3 epidemic occurred in Havana City from June 2001 to March 2002. 12,889 cases were reported, with 81 DHF cases.
Antimicrob Agents Chemother
January 2005
Human immunodeficiency virus type 1 (HIV-1) reverse transcriptase (RT) derivatives with D113E, Y115F, F116Y, Q151E/N, and M184V mutations were studied for their phosphorolysis-mediated resistance to the nucleoside RT inhibitors (NRTIs) zidovudine and stavudine and for their inhibition by the nonnucleoside analogs (NNRTIs) efavirenz and nevirapine. The results presented here indicate that these single amino acid substitutions within the nucleotide binding pocket of the viral RT can independently affect different enzymatic properties, such as catalytic efficiency, drug binding, and phosphorolytic activity. Moreover, small local alterations of the physicochemical properties of the microenvironment around the active site can have profound effects on some NRTIs while hardly affecting other ones.
View Article and Find Full Text PDFThe frequencies of multidrug resistance-associated mutations at codons 145, 151, and 69 of the human immunodeficiency virus (HIV) reverse transcriptase (RT) gene in strains from a group of 3,595 highly active antiretroviral therapy (HAART)-experienced patients were 0.22, 2.36, and 0.
View Article and Find Full Text PDFIn Cuba, on the basis of Measles Elimination Program, the incidence of this disease decline, and was necessary to test rubella virus as a possible etiology agent that produce fever and rash illness. To reach this goal, Cuba developed rubella elimination strategies with integrated epidemiologic and laboratory surveillance. In the country, the vaccination program against rubella started in 1982 by vaccinating 12-14 years old females, with a special surveillance program with laboratory study of all suspected cases.
View Article and Find Full Text PDFCurr Drug Metab
August 2004
One of the major advances in the recent history of the treatment of HIV infections has been the development of different classes of effective antiretroviral drugs. In particular, the reverse transcriptase (RT) inhibitors still represent the majority of the clinically used anti-HIV drugs and constitute the main backbone of currently employed combinatorial regimens. Highly active antiretroviral combination chemotherapy (HAART), combining RT and protease inhibitors, has proven the most effective approach to treat HIV disease, since it has been shown to markedly suppress viral replication and appearance of drug resistance for a relatively long period.
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