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IDM Department News

Human immunodeficiency virus type 1 (HIV-1)-mediated neuroinflammation dysredulates neurogranin and induces synaptodendritic injury

JOURNAL OF NEUROINFLAMMATION - Guha, Wagner, Ayyavoo conduct first study evaluating the potential role of Ng in the context of HIV-1 neropathogens and conclude that synaptic damage in HAND+ patients could be a result of abrogation of Ng through HIV-1 induced inflammation that dysregulates Ng-CaM interaction and downstream signaling cascades associated with synaptodendritic functions.   

In Harm’s Way: Women, HIV, Hep C, and Substance Use, hosted by MAAETC

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The MidAtlantic AIDS Education and Training Center hosted a conference that brought together regional experts to explore ways to increase awareness of the opioid and Hepatitis C epidemics affecting women and infants in Southwestern Pennsylvania. One outcome of note: they identified solutions to improve the current care model of clinical and behavioral health care for women of childbearing age who are opioid users.  

Bowling selected as grand award judge

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The 2018 grand award judge for the Intel International Science and Engineering Fair for the microbiology category is JENNIFER BOWLING (IDM ’21). The Intel International Science and Engineering Fair, is a Society for Science and the Public and is the world’s largest international pre-college science competition. Thousands of volunteers and judges are recruited for an education outreach day serving over 3,000 middle and high school students. 

Zaccard appointed chair of the Chicago Women in STEM Initiative

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To ensure the continuity of the Chicago Women in STEM and Academia Initiative, and represent postdoctoral women, Northwestern University welcomed IDM's COLLEEN ZACCARD to the Northwestern University Postdoctoral Forum (NUPF) Executive Board as the Chair of the Chicago Women in STEM Initiative.   

Rinaldo's former mentee develops novel technique to monitor anti-tumor T cells

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Pitt Medicine grad Kellie Smith leads a group at John's Hopkins that has developed a novel technique to detect and monitor anti-tumor T cells using a simple liquid biopsy approach. The technique is termed MANAFEST (mutation associated neoantigen functional expansion of specific T cells). Smith is an instructor of Oncology in the Bloomberg-Kimmel Institute for Cancer Immunotherapy at the Johns Hopkins School of Medicine who worked with IDM chair ... 

Kujawa receives travel award to attend ASV 2018

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A $500 Student Travel Award has been awarded to MIKE KUJAWA (IDM '21) to attend the 37th Annual Meeting of the American Society for Virology. The conference is hosted by the University of Maryland and will take place July 14-18, 2018.  

Mailliard on how cells talk and help one another via tiny tube networks

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SCIENTIFIC AMERICAN - Working with dendrites, what he calls "the quarterbacks of the immune system," IDM's ROBBIE MAILLIARD and colleagues are applying the budding field of TNT research to HIV. Now, they are investigating whether drugs that are commonly used to lower cholesterol levels could be repurposed to control viral infections.   

Dean's Day 2018 IDM departmental award recipients

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Department of Infectious Diseases and Microbiology awards during our annual Dean's Day student research competition were given to KELSEY MESSERSCHMIDT (MPH '19), BETHANY FLAGE (MS '18), ROBERTA METTUS (MS '19), and RENEE ANDERKO (PhD '22).  

2018 Celebration of Student Awards

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On April 28, 2018, Pitt Public Health celebrated recent graduates with awards given upon the culmination of a degree program. Delta Omega's honor society inductees were announced and outstanding thesis/essay and dissertation awards were conferred. Outstanding Student Awards were also given at both the master's and doctoral level, as well as Dean's Service Awards.  

Marques on new device that could lead to earlier detection of outbreaks

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NEW YORK TIMES - Researchers created a device that can test a drop of blood to tell, in about half an hour, who's immune to certain infections and who's not. The goal is to find groups of people at risk of outbreaks, especially in impoverished and remote areas, in time to save lives. "We need to develop cheaper and more efficient ways to detect outbreaks earlier," said IDM's ERNESTO MARQUES. “This may be one step in that direction.”  

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Recent IDM Publications

Development of antibody biomarkers of long term and recent dengue virus infections 

Development of antibody biomarkers of long term and recent dengue virus infections

JOURNAL OF VIROLOGICAL METHODS - BURKE, MARQUES, and colleagues discuss anti-dengue NS1-specific IgG and IgG3 as potential biomarkers of long-term and recent (less than 6 months) DENV infections, respectively.  (06/14/2018)

Tradition and innovation in development of a Zika vaccine 

Tradition and innovation in development of a Zika vaccine

THE LANCET - MARQUES and BURKE comment about two Zika vaccines in clinical development and describe the challenges ahead. (06/14/2018)

Zika virus displacement by a chikungunya outbreak in Recife, Brazil 

Zika virus displacement by a chikungunya outbreak in Recife, Brazil

PUBLIC LIBRARY OF SCIENCE - Magalhaes, Braga, Cordeiro, Oliveira, Castanha, Maciel, Amancio, Gouveia, Peixoto-deSilva Jr., Peixoto, Britto, Lima, Lima, and Marques detected the tail end of a Zika epidemic in 2015-16 which was displaced by a chikungunya epidemic. Few dengue cases were identified des... (06/14/2018)

Rift Valley fever in animals and humans: Current perspectives 

Rift Valley fever in animals and humans: Current perspectives

ANTIVIRAL RESEARCH - McMillen and Hartman discuss the historical role of Rift Valley Fever (RVF) as a biological weapon and conclude with an outline of the important unanswered questions for ongoing research into this important zoonotic disease. (06/11/2018)

Inefficient HIV-1 trans infection of CD4+ T cells by macrophages from HIV-1 nonprogressors is associated with altered membrane cholesterol and DC-SIGN 

Inefficient HIV-1 trans infection of CD4+ T cells by macrophages from HIV-1 nonprogressors is associated with altered membrane cholesterol and DC-SIGN

JOURNAL OF VIROLOGY - Delucia, Rinaldo, Rappocciolo demonstrate that the use of SIMV to decrease macrophage-mediated virus transfer should be considered for future HIV therapeutic development.  (05/18/2018)

Human immunodeficiency virus type 1 (HIV-1)-mediated neuroinflammation dysredulates neurogranin and induces synaptodendritic injury 

Human immunodeficiency virus type 1 (HIV-1)-mediated neuroinflammation dysredulates neurogranin and induces synaptodendritic injury

JOURNAL OF NEUROINFLAMMATION - Guha, Wagner, Ayyavoo conduct first study evaluating the potential role of Ng in the context of HIV-1 neropathogens and conclude that synaptic damage in HAND+ patients could be a result of abrogation of Ng through HIV-1 induced inflammation that dysregulates Ng-CaM in... (05/18/2018)

Widespread virus replication in alveoli drives acute respiratory distress syndrome in aerosolized H5N1 influenza infection of macaques 

Widespread virus replication in alveoli drives acute respiratory distress syndrome in aerosolized H5N1 influenza infection of macaques

JOURNAL OF IMMUNOLOGY - Wonderlich, Swan, Bissel, Hartman, Carney, O'Malley, Obadan, Santos, Walker, Sturgeon, Frye, Maiello, Scanga, Bowling, Duangkhae, Wiley, Flynn, Wang, Cole, Reed, Barratt-Boyes establish a new nonhuman primate disease model for evaluation of vaccine and therapeutic approaches... (02/14/2018)

Novel assay reveals a large inducible replication competent HIV-1 reservoir in resting CD4+ T cells 

Novel assay reveals a large inducible replication competent HIV-1 reservoir in resting CD4+ T cells

NATURE MEDICINE - Gupta, Sanyal, Ratner, Ding, Zerbato, Giacobbi, Venkatachari, Patterson, Chargin, Chen, Mailliard, Rinaldo, and Sluis-Cremer found that the size of the inducible latent HIV-1 reservoir in aviremic subjects on ART is approximately 70-fold larger than previous estimates.  (02/08/2018)

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IDM Videos

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IDM’s Rinaldo discusses HIV wonder drugs and curing HIV in 1998 World AIDS Day interview (VIDEO) 

IDM’s Rinaldo discusses HIV wonder drugs and curing HIV in 1998 World AIDS Day interview (VIDEO)

UPMC HEALTH NEWS – In the late 1990s, new and highly potent anti-HIV drugs emerged— including protease and reverse transcriptase inhibitors—which could for the first time control HIV infection. For this 1998 World AIDS Day, Pitt IDM AIDS researcher Charles Rinaldo and the late Bridget Murtagh of th... (07/17/2018)
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Matthews on why we need a public health approach to HIV (video) 

Matthews on why we need a public health approach to HIV (video)

IDM's DERRICK MATTHEWS explains Pitt Public Health's work on HIV/AIDS and where we are today. "If your’e a black gay man in the U.S., you have a one in two change in your lifetime of becoming HIV positive…short of the cure that we’re looking for, the biology is way ahead of the social implementat... (06/20/2018)
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Matthews discusses the fields of infectious diseases and microbiology (IDM) (video) 

Matthews discusses the fields of infectious diseases and microbiology (IDM) (video)

IDM's DERRICK MATTHEWS demystifies infectious diseases and microbiology with a basic overview of the fields, how they are practiced, and how disease is spread.  (06/19/2018)
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Celebrate 70: DeLucia presents cholesterol regulation of HIV-1 trans infection and HIV-1 disease progression (VIDEO) 

Celebrate 70: DeLucia presents cholesterol regulation of HIV-1 trans infection and HIV-1 disease progression (VIDEO)

Doctoral candidate, DIANA DeLUCIA (IDM '19), presented some of her dissertation research on how the cholesterol levels in immune cells might be impacting HIV infection and disease progression to AIDS. It was found that antigen-presenting cells in nonprogressors have lower cholesterol levels which i... (04/19/2018)
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