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Medical Pathology Commons™

Open Access. Powered by Scholars. Published by Universities.®

2015

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Articles 121 - 125 of 125

Full-Text Articles in Medical Pathology

Kaposi’S Sarcoma At The University Teaching Hospital, Lusaka, Zambia In The Antiretroviral Therapy Era, Owen Ngalamika, Veenu Minhas, Charles Wood Jan 2015

Kaposi’S Sarcoma At The University Teaching Hospital, Lusaka, Zambia In The Antiretroviral Therapy Era, Owen Ngalamika, Veenu Minhas, Charles Wood

Nebraska Center for Virology: Faculty Publications

With great interest, we read the recent publication “Kaposi’s sarcoma in HIV-infected patients in South Africa: Multicohort study in the antiretroviral therapy era” by Bohlius et al. We congratulate the authors for their contribution to this field. In this study the authors observed a decrease in incidence of Kaposi’s sarcoma (KS) in patients treated with anti-retroviral therapy (ART) when compared to patients who are not on ART. These results are encouraging because of the ongoing HIV epidemic in sub-Saharan Africa where KS is still one of the most prevalent cancers. Also, it is a relevant topic to study in …

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Activation And Degradation Of Open Reading Frame 45 By The Replication And Transcription Activator Of Kaposi's Sarcoma-Associated Herpesvirus, Ying Wang, Kai Yu, Xiuzhi Pei, Tiancheng Zhang, Yuying Guo, Charles Wood, Jinzhong Wang Jan 2015

Activation And Degradation Of Open Reading Frame 45 By The Replication And Transcription Activator Of Kaposi's Sarcoma-Associated Herpesvirus, Ying Wang, Kai Yu, Xiuzhi Pei, Tiancheng Zhang, Yuying Guo, Charles Wood, Jinzhong Wang

Nebraska Center for Virology: Faculty Publications

The open reading frame 45 (ORF45) of the Kaposi's sarcoma-associated herpesvirus (KSHV) is an immediate-early phosphorylated tegument protein critical for viral escape from host immune surveillance. Its expression is upregulated by the viral replication and transcription activator (RTA), a key protein that controls the switch from latency to lytic replication. We report here that ORF45 expression was not only upregulated by RTA, but ORF45 could also be degraded by RTA in a proteasome-dependent manner. The ORF45 was activated by RTA via activation of the ORF45 promoter, and the promoter region from nt 69 271 to nt 69 026 was involved. …

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Single-Dose Cpg Immunization Protects Against A Heterosubtypic Challenge And Generates Antigen-Specific Memory T Cells, Alexander J. Vogel, Deborah M. Brown Jan 2015

Single-Dose Cpg Immunization Protects Against A Heterosubtypic Challenge And Generates Antigen-Specific Memory T Cells, Alexander J. Vogel, Deborah M. Brown

Nebraska Center for Virology: Faculty Publications

Despite extensive research, influenza A virus (IAV) remains a major cause of morbidity, mortality, and healthcare expenditure. Emerging pandemics from highly pathogenic IAV strains, such as H5N1 and pandemic H1N1, highlight the need for universal, crossprotective vaccines. Current vaccine formulations generate strain-specific neutralizing antibodies primarily against the outer coat proteins, hemagglutinin and neuraminidase. In contrast to these highly mutable proteins, internal proteins of IAV are more conserved and are a favorable target for developing vaccines that induce strong T cell responses in addition to humoral immunity. Here, we found that intranasal administration with a single dose of CpG and inactivated …

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Long-Acting Parenteral Combination Antiretroviral Loaded Nano-Drug Delivery System To Treat Chronic Hiv-1 Infection: A Humanized Mouse Model Study, Subhra Mandal, Guobin Kang, Pavan Kumar Prathipati, Wenjin Fan, Qingsheng Li, Christopher J. Destache Jan 2015

Long-Acting Parenteral Combination Antiretroviral Loaded Nano-Drug Delivery System To Treat Chronic Hiv-1 Infection: A Humanized Mouse Model Study, Subhra Mandal, Guobin Kang, Pavan Kumar Prathipati, Wenjin Fan, Qingsheng Li, Christopher J. Destache

Nebraska Center for Virology: Faculty Publications

Human immunodeficiency virus (HIV) patients are often diagnosed in the chronic stage of HIV/AIDS. Combination antiretroviral therapy (cART) has improved quality of life for HIV-infected patients. Present study describes a novel long-acting parenteral formulation of combination antiretroviral (cARV) loaded nano-drugs for treating chronic HIV-1 (cHIV) in a humanized-BLT (hu-BLT) mice model. The cARV (elvitegravir + tenofovir alafenamide + emtricitabine; EVG + TAF + FTC) drugs (mimicking marketed Genvoy® one-pill for HIV-treatment) were encapsulated in poly (lactic-co-glycolic acid) nanoparticles (NPs). To establish cHIV, hu-BLT mice were intravaginally challenged with HIV-1 and maintained for 15 weeks. Plasma viral load (pVL) was monitored …

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A Coding Variant In Tmc8 (Ever2) Is Associated With High Risk Hpv Infection And Head And Neck Cancer Risk, Caihua Liang, Karl T. Kelsey, Michael D. Mcclean, Brock C. Christensen, Carmen J. Marsit Jan 2015

A Coding Variant In Tmc8 (Ever2) Is Associated With High Risk Hpv Infection And Head And Neck Cancer Risk, Caihua Liang, Karl T. Kelsey, Michael D. Mcclean, Brock C. Christensen, Carmen J. Marsit

Dartmouth Scholarship

HPV infection is a causal agent in many epithelial cancers, yet our understanding of genetic susceptibility to HPV infection and resultant cancer risk is limited. Epidermodysplasia Verruciformis is a rare condition of extreme susceptibility to cutaneous HPV infection primarily attributable to mutations in TMC6 and TMC8. Genetic variation in the TMC6/TMC8 region has been linked to beta-type HPV infection and squamous cell carcinoma of the skin, cervical cancer, HPV persistence and progression to cervical cancer. Here, we have tested the hypothesis that the common TMC8 SNP rs7208422 is associated with high-risk HPV infection and risk of head and neck …

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