Exosomes from red blood cell units bind to monocytes and induce proinflammatory cytokines, boosting T-cell responses in vitro

…, X Deng, MO Muench, JW Heitman… - Blood, The Journal …, 2014 - ashpublications.org
Extracellular vesicles (EVs) are small, double membrane vesicles derived from leukocytes,
platelets, and cells of other tissues under physiological or pathological conditions. …

[HTML][HTML] Tregs control the development of symptomatic West Nile virus infection in humans and mice

…, JM Lund, RE Owen, JW Heitman… - The Journal of …, 2009 - Am Soc Clin Investig
West Nile virus (WNV) causes asymptomatic infection in most humans, but for undefined
reasons, approximately 20% of immunocompetent individuals develop West Nile fever, a …

HIV+ elite controllers have low HIV-specific T-cell activation yet maintain strong, polyfunctional T-cell responses

RE Owen, JW Heitman, DF Hirschkorn, MC Lanteri… - Aids, 2010 - journals.lww.com
Objective: HIV+ elite controllers are a unique group of rare individuals who maintain undetectable
viral loads in the absence of antiretroviral therapy. We studied immune responses in …

Loss of T cell responses following long-term cryopreservation

RE Owen, E Sinclair, B Emu, JW Heitman… - Journal of …, 2007 - Elsevier
Although cryopreservation of peripheral blood mononuclear cells (PBMC) is a commonly
used technique, the degree to which it affects subsequent functional studies has not been well …

Low-level HLA antibodies do not predict platelet transfusion failure in TRAP study participants

…, D Bolgiano, M Lebedeva, JW Heitman… - Blood, The Journal …, 2013 - ashpublications.org
In the Trial to Reduce Alloimmunization to Platelets (TRAP) study, 101 of 530 participants
became refractory to platelet transfusions without evidence of HLA or human platelet antigen (…

Distinct roles of trauma and transfusion in induction of immune modulation after injury

RP Jackman, GH Utter, MO Muench, JW Heitman… - …, 2012 - Wiley Online Library
BACKGROUND: Trauma and transfusion can both alter immunity, and while transfusions are
common among traumatically injured patients, few studies have examined their combined …

Cytokines Elevated in HIV Elite Controllers Reduce HIV Replication In Vitro and Modulate HIV Restriction Factor Expression

…, M Abdel-Mohsen, SL Gibb, JW Heitman… - Journal of …, 2017 - Am Soc Microbiol
A subset of HIV-infected individuals termed elite controllers (ECs) maintain CD4 + T cell
counts and control viral replication in the absence of antiretroviral therapy (ART). Systemic …

Dietary supplementation with pectin and guar gum on 1, 2-dimethylhydrazine-induced colon carcinogenesis in rats

DW Heitman, WE Hardman, IL Cameron - Carcinogenesis, 1992 - academic.oup.com
… It is concluded that the present study is the first to show that 10% (w/w) dietary pectin or guar
gum in the diet (when used as the sole fiber source during the promotional stage of carcino…

[HTML][HTML] Granulocyte-derived extracellular vesicles activate monocytes and are associated with mortality in intensive care unit patients

…, A Adelman, KB Schechtman, JW Heitman… - Frontiers in …, 2018 - frontiersin.org
To understand how extracellular vesicle (EV) subtypes differentially activate monocytes, a
series of in vitro studies were performed. We found that plasma-EVs biased monocytes toward …

IMMUNOHEMATOLOGY: Understanding loss of donor white blood cell immunogenicity after pathogen reduction: mechanisms of action in ultraviolet illumination and …

RP Jackman, JW Heitman, S Marschner… - …, 2009 - Wiley Online Library
BACKGROUND: Donor white blood cells (WBCs) present in transfusion products can lead
to immune sequelae such as production of HLA antibodies or graft‐versus‐host disease in …