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Pediatrics

Himmelfarb Health Sciences Library, The George Washington University

Cytomegalovirus--physiology

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Full-Text Articles in Medicine and Health Sciences

Controlling Cytomegalovirus: Helping The Immune System Take The Lead, Patrick J. Hanley, Catherine M. Bollard May 2014

Controlling Cytomegalovirus: Helping The Immune System Take The Lead, Patrick J. Hanley, Catherine M. Bollard

Pediatrics Faculty Publications

Cytomegalovirus, of the Herpesviridae family, has evolved alongside humans for thousands of years with an intricate balance of latency, immune evasion, and transmission. While upwards of 70% of humans have evidence of CMV infection, the majority of healthy people show little to no clinical symptoms of primary infection and CMV disease is rarely observed during persistent infection in immunocompetent hosts. Despite the fact that the majority of infected individuals are asymptomatic, immunologically, CMV hijacks the immune system by infecting and remaining latent in antigen-presenting cells that occasionally reactivate subclinically and present antigen to T cells, eventually causing the inflation of …


Superresolution Imaging Of Human Cytomegalovirus Vmia Localization In Sub-Mitochondrial Compartments, Shivaprasad Bhuvanendran, Kyle Salka, Kristen Rainey, Sen Chandra Sreetama, Elizabeth Williams, Margretha Leeker, Vidhya Prasad, Jonathan Boyd, George H. Patterson, Jyoti K. Jaiswal, Anamaris M. Colberg-Poley Jan 2014

Superresolution Imaging Of Human Cytomegalovirus Vmia Localization In Sub-Mitochondrial Compartments, Shivaprasad Bhuvanendran, Kyle Salka, Kristen Rainey, Sen Chandra Sreetama, Elizabeth Williams, Margretha Leeker, Vidhya Prasad, Jonathan Boyd, George H. Patterson, Jyoti K. Jaiswal, Anamaris M. Colberg-Poley

Pediatrics Faculty Publications

The human cytomegalovirus (HCMV) viral mitochondria-localized inhibitor of apoptosis (vMIA) protein, traffics to mitochondria-associated membranes (MAM), where the endoplasmic reticulum (ER) contacts the outer mitochondrial membrane (OMM). vMIA association with the MAM has not been visualized by imaging. Here, we have visualized this by using a combination of confocal and superresolution imaging. Deconvolution of confocal microscopy images shows vMIA localizes away from mitochondrial matrix at the Mitochondria-ER interface. By gated stimulated emission depletion (GSTED) imaging, we show that along this interface vMIA is distributed in clusters. Through multicolor, multifocal structured illumination microscopy (MSIM), we find vMIA clusters localize away from …


Preface Of The Special Issue: “Recent Cmv Research”, Kayla Dufrene, Roberta L. Debiasi, Anamaris M. Colberg-Poley Jan 2014

Preface Of The Special Issue: “Recent Cmv Research”, Kayla Dufrene, Roberta L. Debiasi, Anamaris M. Colberg-Poley

Pediatrics Faculty Publications

No abstract provided.