963 resultados para Cato, Marcus Porcius, 95 B.C.-46 B.C.


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Vol. 1: Photocopy. Iowa City, University of Iowa, 1970.

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Both hepatitis B and hepatitis C viruses (HBV and HCV) infection are common in HIV-infected individuals as a result of shared risk factors for acquisition. A serological study for HBV and HCV was performed in 251 HIV-positive individuals from Medellín, Colombia. A qualitative RT-PCR for HCV was done in 90 patients with CD4+ T-cell count < 150 per mm³. Serological markers for HBV infection were present in 97 (38.6%) patients. Thirty six of them (37.1%) had isolated anti-HBc. A multivariate analysis indicated that the following risk factors were significantly associated with the presence of these markers: age (OR = 1.05, 95% CI: 1.01-1.08), pediculosis pubis (OR = 1.83, 95% CI: 1.01-3.33), men who have sex with men and women (OR = 3.23, 95% CI: 1.46-7.13) and men who have sex only with men (OR = 3.73, 95% CI: 1.58-8.78). The same analysis restricted to women showed syphilis as the only significant risk factor. Thus, HBV infection was considerably associated with high risk sexual behavior. HCV was present in only two (0.8%) of HIV patients. Both of them were positive by RT-PCR and anti-HCV. This low frequency of HIV/HCV coinfection was probably due to the uncommon intravenous drug abuse in this population. The frequent finding of isolated anti-HBc warrants molecular approaches to rule out the presence of cryptic HBV infection.

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Host genetic factors play an important role in mediating resistance to HIV-1 infection and may modify the course of infection. HLA-B alleles (Bw4 epitope; B*27 and B*57) as well as killer cell immunoglobulin-like receptors have been associated with slow progression of HIV-1 infection. OBJECTIVE: To evaluate the association between serological epitopes HLA-Bw4 and HLA-Bw6 and prognostic markers in AIDS. METHODS: 147 HIV-infected individuals in Bahia, Northeast Brazil, were genotyped for HLA class I locus. HLA class I genotyping was performed by hybridization with sequence-specific oligonucleotide probes following amplification of the corresponding HLA-A, HLA-B and HLA-C genes. Statistical analysis was performed using Fisher's exact and ANOVA tests for categorical and continuous variables, respectively. RESULTS: We detected a significant association (χ2 = 4.856; p = 0.018) between the presence of HLA-Bw4 and low levels of viremia. Eighteen out of the 147 HIV-infected individuals presented viremia <1,800 copies/mL and 129 presented viremia > 2,000 copies/mL. Ninety and four percent (17/18) of all individuals with viremia < 1,800 copies/mL carried HLA-Bw4, compared to 67.4% (87/129) of individuals with viremia > 2,000 copies/mL. Additionally, we found a significantly higher frequency of B*57 (OR = 13.94; 95% CI = 4.19-46.38; p < 0.0001) and Cw*18 (OR = 16.15; 95% CI = 3.46-75.43; p < 0.0001) alleles, favoring the group with lower viremia levels, in comparison with those with higher viral load. CONCLUSION: HLA-Bw4-B*57 and Cw*18 alleles are associated with lower level of viral load in HIV-infected Brazilian patients. These findings may help us in understanding the determinants of HIV evolution in Brazilian patients, as well as in providing important information on immune response correlates of protection for such population.

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BACKGROUND: The aim of this study was to explore the predictive value of longitudinal self-reported adherence data on viral rebound. METHODS: Individuals in the Swiss HIV Cohort Study on combined antiretroviral therapy (cART) with RNA <50 copies/ml over the previous 3 months and who were interviewed about adherence at least once prior to 1 March 2007 were eligible. Adherence was defined in terms of missed doses of cART (0, 1, 2 or >2) in the previous 28 days. Viral rebound was defined as RNA >500 copies/ml. Cox regression models with time-independent and -dependent covariates were used to evaluate time to viral rebound. RESULTS: A total of 2,664 individuals and 15,530 visits were included. Across all visits, missing doses were reported as follows: 1 dose 14.7%, 2 doses 5.1%, >2 doses 3.8% taking <95% of doses 4.5% and missing > or =2 consecutive doses 3.2%. In total, 308 (11.6%) patients experienced viral rebound. After controlling for confounding variables, self-reported non-adherence remained significantly associated with the rate of occurrence of viral rebound (compared with zero missed doses: 1 dose, hazard ratio [HR] 1.03, 95% confidence interval [CI] 0.72-1.48; 2 doses, HR 2.17, 95% CI 1.46-3.25; >2 doses, HR 3.66, 95% CI 2.50-5.34). Several variables significantly associated with an increased risk of viral rebound irrespective of adherence were identified: being on a protease inhibitor or triple nucleoside regimen (compared with a non-nucleoside reverse transcriptase inhibitor), >5 previous cART regimens, seeing a less-experienced physician, taking co-medication, and a shorter time virally suppressed. CONCLUSIONS: A simple self-report adherence questionnaire repeatedly administered provides a sensitive measure of non-adherence that predicts viral rebound.

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Three Spanish Antarctic research cruises (Ant-8611, Bentart-94 and Bentart-95) were carried out in the South Shetland Archipelago (Antarctic Peninsula) and Scotia Arc (South Orkney, South Sandwich and South Georgia archipelagos) on the continental shelf and upper slope (10-600 m depth). They have contributed to our knowledge about ascidian distribution and the zoogeographical relationships with the neighbouring areas and the other Subantarctic islands. The distribution of ascidian species suggests that the Scotia Arc is divided into two sectors, the South Orkney Archipelago, related to the Antarctic Province, and the South Georgia Archipelago (probably including the South Sandwich Archipelago), which is intermediate between the Antarctic Province and the Magellan region.

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Back Row: Paul Schmidt, Mike Gittleson, Rick Clark, Vance Bedford, Brady Hoke, Jim Herrmann, Mike DeBord, Fred Jackson, Bobby Morrison, Stan Parrish, Erik Campbell, Terry Malone, Scot Loeffler, Jon Falk, Phil Bromley, Mike Elston

8th Row: Tim Murphy, Dave Dean, Dr. Edward Wojtys, Dr. C. Daniel Hendrickson, Danielle Tiernan, Steve Connelly, Dwight Mosely, Scott Panique, Kirk Moundros, Tad Van Pelt, Mike Sajdak, Pete Clifford, Rob Abin, Rick Brandt, Mark Ouimet, Kelly Cox, Eric Dean, Buster Stanley, Jim Schneider

7th Row: Daydrion Taylor, Todd Howard, Walter Cross, Evan Coleman, Julius Curry, Justin Fargas, Hayden Epstein, Larry Foote, Shawn Lazarus, Victor Hobson, Dave Armstrong, Deitan Dubuc, Jonathan Goodwin, John Wood, Dennis Baker, Jason Ptak, Kyle Froelich, Paul Tannous

6th Row: Aaron Richards, Cyle Young, P.J. Cwayna, Jeremy Miller, Michael Manning, Jake Malacos, Brodie Killian, Gary Rose, Rudy Smith, Joe Denay, Bennie Joppru, Dan Rumishek, Dave Petruziello, Drew Henson, Dave Terrell, Marquise Walker, Cato June

5th Row: Patrick McCall, James Whitley, William Peterson, Anthony Thomas, Ray Jackson, Bill Seymour, Shawn Thompson, Kurt Anderson, Jason Brooks, Ben Mast, Adam Adkins, Todd Mossa, Bob Fraumann, Eric Brackins, Eric Rosel, DeWayne Patmon, Anthony Jordan

4th Row: Manus Edwards, Chris Roth, Dan Williams, LeAundre Brown, Eric Wilson, Chad Carpenter, Ian Gold, Marcus Knight, Eric Warner, Maurice Williams, Jake Frysinger, Grady Brooks, Cory Sargent, Ryan Parini, Andy Sechler, Jeff Del Verne

3rd Row: Brent Washington, Kevin Bryant, Jeff Smokevich, Mark Bergin, Kenneth Jackson, Jeff Holtry, David Brandt, Steve Hutchinson, Jeff Backus, Jason Kapsner, Tommy Hendricks, Dhani Jones, Jared Chandler, Tate Schanski, Brandon Kornblue, Matt Johnson

2nd Row: Jay Feely, Darren Petterson, Jason Vinson, Noah Parker, Aaron Shea, James Hall, Steve Frazier, Chris Ziemann, Jeff Potts, Tom Brady, Josh Williams, Patrick Kratus, DiAllo Johnson, Rob Renes, Kraig Baker

Front Row: Head Coach Lloyd Carr, Marcus Ray, Andre Weathers, Nate Miller, Sam Sword, Juaquin Feazell, Mark Campbell, Jon Jansen, Jerame Tuman, Clint Copenhaver, Tai Streets, Scott Dreisbach, Chris Singletary, Clarence Williams

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"Porcii Latronis in L. Sergium Catilinam declamatio": p. [141]-204.