IDM Events

IDM Departmental Calendar

Event Category
Fri 9/20/2019 8:30AM - 12:00PM
35th Anniversary of the Pitt Men's Study IDM Event
35th Anniversary of the Pitt Men's Study
Fri 9/20/2019 8:30AM - 12:00PM
Public Health Auditorium (G23)


Public Health Auditorium (G23)
IDM
Event
Tue 10/8/2019 9:00AM - 4:30PM
PrEP Summit: Engagement, Adherence, Retention MidAtlantic AIDS Education and Training Center Conference
PrEP Summit: Engagement, Adherence, Retention
Tue 10/8/2019 9:00AM - 4:30PM
Outside Conference and Meeting Spaces


Outside Conference and Meeting Spaces
MidAtlantic AIDS Education and Training Center
Conference
Tue 10/22/2019 5:00PM - 8:30PM
Erie Evening Update: Sexual Health and Stigma MidAtlantic AIDS Education and Training Center Conference
Erie Evening Update: Sexual Health and Stigma
Tue 10/22/2019 5:00PM - 8:30PM
Outside Conference and Meeting Spaces

This evening dinner update, in collaboration with the Erie Department of Health and Erie HIV Task Force, will be held at the Bayfront Convention Center.  The presenters will discuss Sexual Health History Taking and Sexual Health and Stigma, followed by a panel of local providers.


Outside Conference and Meeting Spaces
MidAtlantic AIDS Education and Training Center
Conference

Recent Events

IDM Master's Defense

MacKenzie Bryant, "Determining the Variability in the Lung Microbiome..."

Tuesday 4/11 11:30AM - 12:30PM
Public Health Lecture Hall (A115)

"Determining the Variability

in the Lung Microbiome Throughout the

Course of M. tuberculosis Infection"

Abstract: Tuberculosis remains a major health threat throughout the world, despite having a vaccine and treatments. Mycobacterium tuberculosis (Mtb) infects alveolar macrophages in the lung and inflammation occurs after infection. The lung microbiome in regards to Mtb infection is poorly understood, and weather inflammation from infection affects the lung microbiome is unknown. The goal of our study is to determine whether Mtb induces a significant and change in the lung microbiome in cynomolgus macaques. We investigated and compared the community clusters between the lung and oral cavity, assessed how the diversity of the lung microbiota changes throughout infection, and determined if these changes in the lung are related to inflammation. Bronchoalveolar lavage (BAL) was obtained before and at several time points post-Mtb infection, as well as oral wash and saline bronchoscope control samples from respective macaques. Operational taxonomic units (OTUs) were generated after 16s rRNA sequencing was performed once DNA was extracted from collected samples.  We profiled microbial communities to see the community structure differences between oral and lung environment and show how the microbiome changes throughout infection. PET/CT imaging was used to visualize and quantify inflammation over the course of infection by using FDG avidity (PET HOT). Our results show that the oral and lung compartments are distinct with regard to community structure, distinct bacterial taxa are more relatively abundant in certain lobes post-infection, and lung inflammation and lung microbiota changes are variable within and between macaques. Analysis of the first cohort of macaques (N=10) did not reveal correlations between lung inflammation and relative abundance or alpha-diversity, but our data is preliminary and based on small sample size. Our sample size will greatly increase after the second cohort of macaques are fully sequenced and analyzed. These changes and disruptions in the lung microbiome may have public health relevance in regards to overall lung health and may also play a role in the outcome of Mtb infection.

Last Updated On Wednesday, May 03, 2017 by Malenka, Judith Ann
Created On Monday, April 10, 2017

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