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Edward Cantu

William J Zacharias, David B Frank, Jarod A Zepp, Michael P Morley, Farrah A Alkhaleel, Jun Kong, Su Zhou, Edward Cantu, Edward E Morrisey
Functional tissue regeneration is required for the restoration of normal organ homeostasis after severe injury. Some organs, such as the intestine, harbour active stem cells throughout homeostasis and regeneration; more quiescent organs, such as the lung, often contain facultative progenitor cells that are recruited after injury to participate in regeneration. Here we show that a Wnt-responsive alveolar epithelial progenitor (AEP) lineage within the alveolar type 2 cell population acts as a major facultative progenitor cell in the distal lung...
February 28, 2018: Nature
Brian J Anderson, Christopher F Chesley, Miranda Theodore, Colin Christie, Ryan Tino, Alex Wysoczanski, Kristy Ramphal, Michelle Oyster, Laurel Kalman, Mary K Porteous, Christian A Bermudez, Edward Cantu, Dennis L Kolson, Jason D Christie, Joshua M Diamond
BACKGROUND: Delirium significantly affects post-operative outcomes, but the incidence, risk factors, and long-term impact of delirium in lung transplant recipients have not been well studied. METHODS: We analyzed 155 lung transplant recipients enrolled in the Lung Transplant Outcomes Group (LTOG) cohort at a single center. We determined delirium incidence by structured chart review, identified risk factors for delirium, determined whether plasma concentrations of 2 cerebral injury markers (neuron-specific enolase [NSE] and glial fibrillary acidic protein [GFAP]) were associated with delirium, and determined the association of post-operative delirium with 1-year survival...
February 2, 2018: Journal of Heart and Lung Transplantation
Elizabeth K Healy Cotter, Jennifer M Banayan, Tae H Song, Mark A Chaney, Hanjo Ko, Edward Cantu, Joshua Diamond, Stuart J Weiss, Marcelo Cypel, Shaf Keshavjee
No abstract text is available yet for this article.
December 12, 2017: Journal of Cardiothoracic and Vascular Anesthesia
Ciara M Shaver, Nancy Wickersham, J Brennan McNeil, Hiromasa Nagata, Adam Miller, Stuart R Landstreet, Jamie L Kuck, Joshua M Diamond, David J Lederer, Steven M Kawut, Scott M Palmer, Keith M Wille, Ann Weinacker, Vibha N Lama, Maria M Crespo, Jonathan B Orens, Pali D Shah, Chadi A Hage, Edward Cantu, Mary K Porteous, Gundeep Dhillon, John McDyer, Julie A Bastarache, Jason D Christie, Lorraine B Ware
Primary graft dysfunction (PGD) is acute lung injury within 72 hours of lung transplantation. We hypothesized that cell-free hemoglobin (CFH) contributes to PGD by increasing lung microvascular permeability and tested this in patients, ex vivo human lungs, and cultured human lung microvascular endothelial cells. In a nested case control study of 40 patients with severe PGD at 72 hours and 80 matched controls without PGD, elevated preoperative CFH was independently associated with increased PGD risk (odds ratio [OR] 2...
January 25, 2018: JCI Insight
Andrew M Courtwright, Derek Zaleski, Lisa Gardo, Vivek N Ahya, Jason D Christie, Maria Crespo, Denis Hadjiliadis, James Lee, Maria Molina, Namrata Patel, Mary Porteous, Edward E Cantu, Christian Bermudez, Joshua M Diamond
BACKGROUND: Unplanned rehospitalizations (UR) within 30 days of discharge are common following lung transplantation. It is unknown whether UR represent preventable gaps in care or necessary interventions for complex patients. The objective of this study was to assess the incidence, causes, risk factors, and preventability of UR following initial discharge after lung transplantation. METHODS: This was a single-center prospective cohort study. Subjects completed a modified Short Physical Performance Battery (SPPB) to assess frailty at listing and at initial hospital discharge after transplantation and the State-Trait Anxiety Inventory (STAI) at discharge...
January 18, 2018: Transplantation
Jarrod D Predina, Andrew D Newton, Courtney Connolly, Ashley Dunbar, Michael Baldassari, Charuhas Deshpande, Edward Cantu, Jason Stadanlick, Sumith A Kularatne, Philip S Low, Sunil Singhal
Non-small cell lung cancer (NSCLC) is the number one cancer killer in the United States. Despite attempted curative surgical resection, nearly 40% of patients succumb to recurrent disease. High recurrence rates may be partially explained by data suggesting that 20% of NSCLC patients harbor synchronous disease that is missed during resection. In this report, we describe the use of a novel folate receptor-targeted near-infrared contrast agent (OTL38) to improve the intraoperative localization of NSCLC during pulmonary resection...
October 26, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
Andrew Courtwright, Edward Cantu
Consensus statements on the selection of lung transplant candidates have consistently identified older age as a relative contraindication to transplantation. A combination of population-level demographic changes, revision of the lung allocation score (LAS), and clearer data on outcomes in elderly transplant recipients has, however, driven a steady increase in the threshold at which age is taken into consideration. This article reviews the current state of lung transplantation in elderly patients with an emphasis on the factors that have increased lung transplantation in older age groups, their expected outcomes including survival and health-related quality of life, and the factors that go in to appropriate candidate and procedure selection in this population...
September 2017: Journal of Thoracic Disease
Andrew Courtwright, Edward Cantu
The expansion of the donor lung pool has involved an evidence-driven redefinition of acceptable donors. Proceeding with transplantation with an acceptable rather than ideal donor depends on specific patient-related and organ-related risk factors as well as the severity of recipient illness. Although the physiologic optimization of brain-dead donors has not changed significantly in recent years, the use of donor management protocols has improved procurement rates. Ex vivo lung perfusion is an increasingly viable strategy to recondition lungs that would otherwise fall below the acceptable threshold for transplant...
December 2017: Clinics in Chest Medicine
Gregory I Snell, Roger D Yusen, David Weill, Martin Strueber, Edward Garrity, Anna Reed, Andres Pelaez, Timothy P Whelan, Michael Perch, Remzi Bag, Marie Budev, Paul A Corris, Maria M Crespo, Chad Witt, Edward Cantu, Jason D Christie
No abstract text is available yet for this article.
October 2017: Journal of Heart and Lung Transplantation
Edward Cantu, Joshua M Diamond, Yoshikazu Suzuki, Jared Lasky, Christian Schaufler, Brian Lim, Rupal Shah, Mary Porteous, David J Lederer, Steven M Kawut, Scott M Palmer, Laurie D Snyder, Matthew G Hartwig, Vibha N Lama, Sangeeta Bhorade, Christian Bermudez, Maria Crespo, John McDyer, Keith Wille, Jonathan Orens, Pali D Shah, Ann Weinacker, David Weill, David Wilkes, David Roe, Chadi Hage, Lorraine B Ware, Scarlett L Bellamy, Jason D Christie
RATIONALE: Primary graft dysfunction (PGD) is a form of acute lung injury that occurs after lung transplantation. The definition of PGD was standardized in 2005. Since that time, clinical practice has evolved and this definition is increasingly used as a primary endpoint for clinical trials; therefore, validation is warranted. OBJECTIVE: We sought to determine whether refinements to the 2005 consensus definition could further improve construct validity. METHODS: Data from the Lung Transplant Outcomes Group multi-centered cohort was used to compare variations to the PGD definition, including alternate oxygenation thresholds, inclusion of additional severity groups, and effects of procedure type and mechanical ventilation...
September 5, 2017: American Journal of Respiratory and Critical Care Medicine
Mary K Porteous, James C Lee, David J Lederer, Scott M Palmer, Edward Cantu, Rupal J Shah, Scarlett L Bellamy, Vibha N Lama, Sangeeta M Bhorade, Maria M Crespo, John F McDyer, Keith M Wille, A Russell Localio, Jonathan B Orens, Pali D Shah, Ann B Weinacker, Selim Arcasoy, David S Wilkes, Lorraine B Ware, Jason D Christie, Steven M Kawut, Joshua M Diamond
RATIONALE: Pulmonary hypertension from pulmonary arterial hypertension or parenchymal lung disease is associated with an increased risk for primary graft dysfunction after lung transplantation. OBJECTIVE: We evaluated the clinical determinants of severe primary graft dysfunction in pulmonary hypertension and developed and validated a prognostic model. METHODS: We conducted a retrospective cohort study of patients in the multicenter Lung Transplant Outcomes Group with pulmonary hypertension at transplant listing...
October 2017: Annals of the American Thoracic Society
Prashanth Vallabhajosyula, Laxminarayana Korutla, Andreas Habertheuer, Sanjana Reddy, Christian Schaufler, Jared Lasky, Joshua Diamond, Edward Cantu
BACKGROUND: Extracellular microvesicles (EVs) are being increasingly studied for their diagnostic potential. We investigated the feasibility of studying the kinetics and tissue-specific profiles of pulmonary EVs in the context of ex vivo lung perfusion (EVLP) used for salvaging marginal lungs for transplantation. METHODS: Perfusate from six marginal donor lungs placed on EVLP was collected at the following time points: 0, 10, and 60 minutes after and after perfusate exchange with Steen Solution; 120 and 180 minutes...
June 2017: Annals of Thoracic Surgery
J M Diamond, E Cantu, M K Porteous, Y Suzuki, K C Meyer, D J Lederer, R K Milewski, S Arcasoy, F D'Ovidio, M Bacchetta, J R Sonett, G Singh, J Costa, J W Tobias, H Rodriguez, V M Van Deerlin, K M Olthoff, A Shaked, B-L Chang, J D Christie
Recipient responses to primary graft dysfunction (PGD) after lung transplantation may have important implications to the fate of the allograft. We therefore evaluated longitudinal differences in peripheral blood gene expression in subjects with PGD. RNA expression was measured throughout the first transplant year in 106 subjects enrolled in the Clinical Trials in Organ Transplantation-03 study using a panel of 100 hypothesis-driven genes. PGD was defined as grade 3 in the first 72 posttransplant hours. Eighteen genes were differentially expressed over the first year based on PGD development, with significant representation from innate and adaptive immunity genes, with most differences identified very early after transplant...
July 2017: American Journal of Transplantation
Catherine F Borders, Yoshikazu Suzuki, Jared Lasky, Christian Schaufler, Djamila Mallem, James Lee, Kevin Carney, Scarlett L Bellamy, Christian A Bermudez, A Russell Localio, Jason D Christie, Joshua M Diamond, Edward Cantu
OBJECTIVE: Donor blood transfusion has been identified as a potential risk factor for primary graft dysfunction and by extension early mortality. We sought to define the contributing risk of donor transfusion on early mortality for lung transplant. METHODS: Donor and recipient data were abstracted from the Organ Procurement and Transplantation Network database updated through June 30, 2014, which included 86,398 potential donors and 16,255 transplants. Using the United Network for Organ Sharing 4-level designation of transfusion (no blood, 1-5 units, 6-10 units, and >10 units, massive), we analyzed all-cause mortality at 30-days with the use of logistic regression adjusted for confounders (ischemic time, donor age, recipient diagnosis, lung allocation score and recipient age, and recipient body mass index)...
May 2017: Journal of Thoracic and Cardiovascular Surgery
Mark F Powell, Charity J Morgan, Jessica A Cantu, Yasser Sakawi, Joseph R Biggio, Alan T N Tita, Jeff M Szychowski, Rodney K Edwards
Objective Our aims were to evaluate whether there is an inverse association between body mass index (BMI) and umbilical artery pH and to investigate the contribution of intraoperative hypotension on the umbilical artery pH. Study Design We conducted a retrospective cohort study of all women with a nonanomalous singleton at 37 to 41 weeks who underwent a scheduled cesarean delivery under spinal anesthesia at our facility from January 2006 to March 2012. The primary outcome was the proportion of patients in each BMI category with arterial cord pH < 7...
June 2017: American Journal of Perinatology
B Knowles, C B Silveira, B A Bailey, K Barott, V A Cantu, A G Cobián-Güemes, F H Coutinho, E A Dinsdale, B Felts, K A Furby, E E George, K T Green, G B Gregoracci, A F Haas, J M Haggerty, E R Hester, N Hisakawa, L W Kelly, Y W Lim, M Little, A Luque, T McDole-Somera, K McNair, L S de Oliveira, S D Quistad, N L Robinett, E Sala, P Salamon, S E Sanchez, S Sandin, G G Z Silva, J Smith, C Sullivan, C Thompson, M J A Vermeij, M Youle, C Young, B Zgliczynski, R Brainard, R A Edwards, J Nulton, F Thompson, F Rohwer
No abstract text is available yet for this article.
November 3, 2016: Nature
Joshua M Diamond, Selim Arcasoy, Jamiela A McDonnough, Joshua R Sonett, Matthew Bacchetta, Frank D'Ovidio, Edward Cantu, Christian A Bermudez, Amika McBurnie, Melanie Rushefski, Laurel H Kalman, Michelle Oyster, Carly D'Errico, Yoshikazu Suzuki, Jon T Giles, Anthony Ferrante, Matthew Lippel, Gopal Singh, David J Lederer, Jason D Christie
Obesity is a risk factor for primary graft dysfunction (PGD), a form of lung injury resulting from ischemia-reperfusion after lung transplantation, but the impact of ischemia-reperfusion on adipose tissue is unknown. We evaluated differential gene expression in thoracic visceral adipose tissue (VAT) before and after lung reperfusion. Total RNA was isolated from thoracic VAT sampled from six subjects enrolled in the Lung Transplant Body Composition study before and after allograft reperfusion and quantified using the Human Gene 2...
January 2017: American Journal of Transplantation
Laurel A Monticelli, Michael D Buck, Anne-Laure Flamar, Steven A Saenz, Elia D Tait Wojno, Naomi A Yudanin, Lisa C Osborne, Matthew R Hepworth, Sara V Tran, Hans-Reimer Rodewald, Hardik Shah, Justin R Cross, Joshua M Diamond, Edward Cantu, Jason D Christie, Erika L Pearce, David Artis
Group 2 innate lymphoid cells (ILC2s) regulate tissue inflammation and repair after activation by cell-extrinsic factors such as host-derived cytokines. However, the cell-intrinsic metabolic pathways that control ILC2 function are undefined. Here we demonstrate that expression of the enzyme arginase-1 (Arg1) during acute or chronic lung inflammation is a conserved trait of mouse and human ILC2s. Deletion of mouse ILC-intrinsic Arg1 abrogated type 2 lung inflammation by restraining ILC2 proliferation and dampening cytokine production...
June 2016: Nature Immunology
Krista A McCoy, Alison M Roark, Ashley S P Boggs, John A Bowden, Lori Cruze, Thea M Edwards, Heather J Hamlin, Theresa M Cantu, Jessica A McCoy, Nicole A McNabb, Abby G Wenzel, Cameron E Williams, Satomi Kohno
Dr. Louis J. Guillette Jr. thought of himself as a reproductive biologist. However, his interest in reproductive biology transcended organ systems, life history stages, species, and environmental contexts. His integrative and collaborative nature led to diverse and fascinating research projects conducted all over the world. He doesn't leave us with a single legacy. Instead, he entrusts us with several. The purpose of this review is to highlight those legacies, in both breadth and diversity, and to illustrate Dr...
November 1, 2016: General and Comparative Endocrinology
J-Q Tao, E M Sorokina, J P Vazquez Medina, M K Mishra, Y Yamada, J Satalin, G F Nieman, J R Nellen, B Beduhn, E Cantu, N M Habashi, W Jungraithmayr, J D Christie, S Chatterjee
Lungs stored ahead of transplant surgery experience ischemia. Pulmonary ischemia differs from ischemia in the systemic organs in that stop of blood flow in the lung leads to loss of shear alone because the lung parenchyma does not rely on blood flow for its cellular oxygen requirements. Our earlier studies on the ischemia-induced mechanosignaling cascade showed that the pulmonary endothelium responds to stop of flow by production of reactive oxygen species (ROS). We hypothesized that ROS produced in this way led to induction of proinflammatory mediators...
September 2016: American Journal of Transplantation
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