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520 articles for “Drug”
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Research ArticleOpen accessEvery word in the titleP-Glycoprotein-Mediated Efflux and Drug Sequestration in Lysosomes Confer Advantages of K562 Multidrug Resistance Sublines to Survive Prolonged Exposure to Cytotoxic AgentsNathupakorn Dechsupa, Samlee MankhetkornProblem statement: Cellular drug resistance to anticancer agents is major obstacle in cancer chemotherapy and the mechanisms by which these MDR cells possess for protecting themselves to survive prolonged exposure to cytotoxic agents still debating. The study aimed to clarify the role of P-glycoprotein (Pgp) and enhanced drug sequestration in lysosomes to confer the multidrug resistance K562 cells with varied … …American Journal of Applied Sciences, Vol. 6, Issue 9 · 30 Sep 2009 · 7,504 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleIntrinsically Unstructured Proteins: Potential Targets for Drug DiscoveryPathan Salma, Chintan Chhatbar, Sriram SeshadriProblem statement: The function of a protein is dependent on its three-dimensional structure. However, numerous proteins lacking intrinsic globular 3D structure under physiological conditions had been recognized. These proteins are frequently involved in some of the most critical cellular control mechanisms and it appears that their rapid turnover, aided by their unstructured nature in the unbound state, provides a level … …American Journal of Infectious Diseases, Vol. 5, Issue 2 · 30 Jun 2009 · 7,578 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleTamoxifen Drug Loading Solid Lipid Nanoparticles Prepared by Hot High Pressure Homogenization TechniquesNagi A. ALHaj, Rasedee Abdullah, Siddig Ibrahim, Ahmad BustamamAs drug delivery systems Nanoparticulate widely investigated because of many advantages such as smaller size, controlled drug release potential, targeting ability, enhancement of therapeutic efficacy and reduction of toxicity. So, Solid Lipid Nanoparticles have recently received considerable attention as alternative drug delivery carrier. In this study Solid Lipid Nanoparticles (SLNs) containing tamoxifen, nonsteroidal antiestrogens have been loaded and to be … …American Journal of Pharmacology and Toxicology, Vol. 3, Issue 3 · 30 Sep 2008 · 15,168 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleHIV Prevention Intervention Outcome among Minority Adolescents in Court Mandated Drug TreatmentJessy Devieux, Robert C. McMahon, Rhonda Rosenberg, Robert M. MalowProblem statement: Delinquent adolescents with substance abuse disorders frequently engage in behaviors that elevate their risk of contracting HIV. Although effective risk reduction interventions are urgently needed, there is uncertainty about the nature of interventions required to produce change. Approach: This study evaluated whether Modified version of Becoming A Responsible Teen (M-BART) produced greater reductions in drug use and sexual … …American Journal of Infectious Diseases, Vol. 3, Issue 4 · 31 Dec 2007 · 6,339 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleAntisocial Psychopathy and HIV Risk among Alcohol and Other Drug (AOD) Abusing Adolescent OffendersRobert M. Malow, Jessy Dévieux, Rhonda Rosenberg et al.While the consensus is that HIV prevalence has remained low among adolescent offenders, the prevalence of STDs and HIV transmission risk behaviors is alarming, particularly for those abusing alcohol and other drugs and those displaying antisocial or conduct disorder characteristics. In the current study, 269 male and 110 female inner city, culturally diverse alcohol and other drug (AOD) abusing adolescent … …American Journal of Infectious Diseases, Vol. 3, Issue 4 · 31 Dec 2007 · 6,811 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleNutritional Alterations in Drug Abusers With and Without HIVJanet E. ForresterMany studies have found that drug abusers have nutritional deficits, including weight deficits. The most plausible explanation for these deficits is dietary insufficiency. However, studies using objective measures of the dietary intake of drug abusers have failed to provide evidence of dietary insufficiency. Other mechanisms have rarely been examined. This article reviews the published literature on the nutritional status of … …American Journal of Infectious Diseases, Vol. 2, Issue 3 · 30 Sep 2006 · 6,444 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleNeuroendocrine Abnormalities in Drug Abusers and HIV-Infected Individuals: Cortisol Response to Cold Pressor ChallengeMahendra Kumar, Drenna Waldrop-Valverde, Adarsh M. Kumar et al.Although endocrine abnormalities have been reported in HIV-1 infection, the role of risk factors is not understood. Injecting drug use (IDU) is an important risk factor for contracting HIV-infection and studies suggest that substance use may also be associated with endocrine dysfunction. In order to investigate hypothalamic pituitary adrenal (HPA) axis activity in this population, this study investigated cortisol response … …American Journal of Infectious Diseases, Vol. 2, Issue 3 · 30 Sep 2006 · 6,594 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleGonadal and Adrenal Abnormalities in Drug Users: Cause or Consequence of Drug Use Behavior and Poor Health OutcomesTodd T. Brown, Amy B. Wisniewski, Adrian S. DobsOpiates and cocaine both have effects on adrenal and gonadal function. Opiates suppress the hypothalamic-pituitary adrenal (HPA) axis, whereas cocaine leads to HPA activation. Opiates also cause gonadal dysfunction in both men and women. During withdrawal from opiates and cocaine, the HPA axis is activated which may reinforce relapse behavior. This review describes these hormonal effects and explores the potential … …American Journal of Infectious Diseases, Vol. 2, Issue 3 · 30 Sep 2006 · 7,049 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleRecreational Viagra Use and Sexual Risk among Drug Abusing MenDennis G. Fisher, Robert Malow, Rhonda Rosenberg et al.Until recently, the Viagra connection to HIV was anchored in older adults. However, CDC investigation showed stability in 50+ HIV diagnoses on the heels of upward trends in risk indicators among men who have sex with men (MSM) and substance abusing populations. Signs have increasingly pointed to recreational drug use among younger populations, to which Viagra is being added to … …American Journal of Infectious Diseases, Vol. 2, Issue 2 · 30 Jun 2006 · 10,605 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleNeuropsychological Consequences of HIV and Drug AuseArun Venkatesan, Ola Selnes, Valerie Wojna et al.Accurate assessment of the functional consequences of human immunodeficiency virus (HIV) infection and drugs of abuse are critical as large populations are afflicted with both. Both are interdependent epidemics with important socioeconomic consequences. Experimental studies in animal models and in vitro clearly indicate that HIV and drugs of abuse cause increased neurodegeneration, glial cell activation and enhanced HIV replication. Nevertheless, … …American Journal of Infectious Diseases, Vol. 2, Issue 2 · 30 Jun 2006 · 6,662 accessesView PDFCite