báo cáo hóa học:" Knowledge of HIV transmission and condom use among HIV-positive heterosexual men and women in Guatemala" docx

... on HIV- positive heterosexual men and women. Methods A closed-ended structured interview that addressed knowledge of mechanisms of HIV transmission and condom use was conducted on 283 heterosexual ... type of transmission has been increasingly examined. In Guatemala, there has been some research done on condom use and knowledge of HIV transmis...

Ngày tải lên: 20/06/2014, 08:20

... Phosphorylation of the cAMP response element binding protein CREB by cAMP-dependent protein kinase A and glycogen synthase kinase-3 alters DNA-binding affinity, conformation, and increases net ... pro- teins containing mutations of all possible combinations of S62, T64 and T68 and investigated the phosphorylation of the resulting mutant Tat protein. A series of seven Tat mut...

Ngày tải lên: 20/06/2014, 04:20

... determined and compared to a known syncy- tium-inducing (SI) virus (HIV- 1 NL4-3 ) and a non-syncytium- inducing (NSI) viruses (HIV- 1 BaL and HIV- 1 Ada-M ) by infect- ing the MT-2 cell line with ... increased mucosal and vaginal shedding [36,48,49]. This increased transmission cannot solely be explained due to increased LTR activity as increased shed- ding of virus and increa...

Ngày tải lên: 20/06/2014, 01:20

... developed a quantitative HIV virion binding assay that documents rapid and extensive binding of HIV virions in seminal plasma to intact mucosal sur- faces [10,54]. In the course of these studies, we ... 1 Department of Microbiology, University of Minnesota, Minneapolis, MN 55455, USA and 2 Department of Diagnostic and Biological Sciences and the Mucosal and Vacc...

Ngày tải lên: 20/06/2014, 01:20

... The greatest intensity of banding activity in these archived plasma sets coincided with years of highest-risk of expo- sure to HIV contaminated clotting factor concentrate (1980–1985). None of the HIV- 1 ... of antibodies to HIV HIV-1AB HIV- 1IHIV-2 (rDNA) EIA Archived plasma samples were reassessed for the presence of plasma antibodies reactive with HIV- 1 and/ or HIV-...

Ngày tải lên: 20/06/2014, 04:20

... 23 districts. Integration included: a) placing ART services in existing units; b) retraining existing workers; c) strengthening laboratories, testing, and referral linkages; e) expanding testing in TB ... of human resource constraints on quality and sustainability of services. The use of HIV- focused fund- ing to increase numbers in the overall health workforce is increasin...

Ngày tải lên: 20/06/2014, 08:20

... London. Methods: A random sample of 861 HIV- 1-infected patients attending HIV clinics at King’s and St Thomas’ hospitals’ were subtyped using an in- house enzyme-linked immunoassay and env sequencing. Subtypes ... estimated intercept and rate of decline by introducing patient-speci- fic elements (random effects). Multivariable regression analysis was used to examine for indepen...

Ngày tải lên: 20/06/2014, 08:20

... duration of drug use; frequency of injec- tion; age at first use; being part of a regular injecting group; having injected in ano ther city/country during the previous year; having ever shared a syringe; ... unsafe injec- tion practices at last injection; condom use at last inter- course and during the previous year with any type of partner; type of drug injected; history...

Ngày tải lên: 20/06/2014, 08:20

... evaluation of the frequency and intensity of GERD symptoms, the GIS providing compli- mentary information in terms of the use of additional medication for GERD symptoms and the impact of such symptoms ... sensitive quantification of the symptoms and the impact of these in patients with GERD, and thereby facilitating better man- agement of disease. Conclusion The...

Ngày tải lên: 18/06/2014, 18:20

... Phosphorylation of the cAMP response element binding protein CREB by cAMP-dependent protein kinase A and glycogen synthase kinase-3 alters DNA-binding affinity, conformation, and increases net ... pro- tein from entering the nucleus. However, HIV- 1 subtype C viruses which are rapidly expanding, carry mutations in Tat R57S and G63Q within and close to the basic domain, and yet...

Ngày tải lên: 18/06/2014, 22:20