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Acute cellular rejection is relatively common after liver transplantation, typically does not affect graft survival, and is not associated with the development of chronic rejection. Acute cellular rejection is diagnosed when liver enzymes and/or liver function tests are elevated when compared to baseline. The only means of differentiating acute rejection from other liver pathologies is with a liver biopsy. However, even with this invasive diagnostic procedure, it may be difficult to distinguish acute rejection from another disease process, such as injury caused by the hepatitis C virus (HCV) from the native liver. This study will evaluate whether certain patterns of biomarkers in the peripheral blood and/or liver tissue of a liver transplant recipient can be used to determine if the transplanted liver is being rejected by the recipient or sustaining HCV injury. Diagnostic biomarkers that are specific for acute rejection and informative of the severity of HCV recurrence could allow for modulation of immunosuppression therapy and treat the clinical condition without the need for invasive liver biopsies.
Observational Model: Case-Only, Time Perspective: Retrospective
National Institute of Allergy and Infectious Diseases (NIAID)
Published on BioPortfolio: 2014-08-27T04:00:29-0400
Fifty patients awaiting liver transplantation and 50 age and gender matched control subjects with normal liver function will be included in the study. The aim of this project is to compare...
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Collecting blood, graft liver effluent and urine samples from patients undergoing orthotopic liver transplantation.
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Final stage of a liver disease when the liver failure is irreversible and LIVER TRANSPLANTATION is needed.
The transference of a part of or an entire liver from one human or animal to another.
Conditions in which the LIVER functions fall below the normal ranges. Severe hepatic insufficiency may cause LIVER FAILURE or DEATH. Treatment may include LIVER TRANSPLANTATION.
Single or multiple areas of PUS due to bacterial infection within the hepatic parenchyma. It can be caused by a variety of BACTERIA, local or disseminated from infections elsewhere such as in APPENDICITIS; CHOLECYSTITIS; PERITONITIS; and after LIVER TRANSPLANTATION.
Preparative treatment of transplant recipient with various conditioning regimens including radiation, immune sera, chemotherapy, and/or immunosuppressive agents, prior to transplantation. Transplantation conditioning is very common before bone marrow transplantation.
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Astroesophageal Reflux Disease (GERD) Barrett's Esophagus Celiac Disease Cholesterol Crohn's Disease Gastroenterology Hepatitis Hepatology Irritable Bowel Syndrome (IBS) Pancreatitis Peptic Ulcer Disease...