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Genomes and Genes | G J GoresSummaryAffiliation: Mayo Clinic Country: USA Publications
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Selectively targeting Mcl-1 for the treatment of acute myelogenous leukemia and solid tumorsGregory J Gores
Division of Gastroenterology and Hepatology, Department of Medicine, Mayo Clinic, Rochester, Minnesota 55905, USA
Genes Dev 26:305-11. 2012..120-125) demonstrates that Mcl-1 is essential for development and survival of acute myelogenous leukemia cells. These results provide new impetus for the generation of selective Mcl-1 inhibitors...
Bax inhibition protects against free fatty acid-induced lysosomal permeabilizationAriel E Feldstein
Department of Pediatric Gastroenterology and Cell Biology, Cleveland, USA
Am J Physiol Gastrointest Liver Physiol 290:G1339-46. 2006..Finally, paradigms that inhibit lysosomal permeabilization also reduced apoptosis. In conclusion, these data strongly support a regulatory role for Bax in FFA-mediated lysosomal permeabilization and subsequent cell death...
Treatment endpoints for advanced cholangiocarcinomaGregory J Gores
Mayo Clinic College of Medicine, Rochester, MN 55905, USA
Nat Clin Pract Gastroenterol Hepatol 1:4-5. 2004
Induction of the mitochondrial permeability transition as a mechanism of liver injury during cholestasis: a potential role for mitochondrial proteasesG J Gores
Mayo Medical School, Clinic, and Foundation, 200 First Street SW, Rochester, MN 55905, USA
Biochim Biophys Acta 1366:167-75. 1998..In an experimental model of cholestasis, mitochondrial calpain-like protease activity increases 1.6-fold. We propose for the first time that activation of mitochondrial proteases may initiate the MPT and cell necrosis during cholestasis...
Early detection and treatment of cholangiocarcinomaG J Gores
Mayo Clinic, Foundation, and Medical School, Rochester, MN 55905, USA
Liver Transpl 6:S30-4. 2000..Outcomes are optimized by using preoperative radiation and chemotherapy and ensuring the absence of metastases by an exploratory laparotomy...
Mechanisms of lysophosphatidylcholine-induced hepatocyte lipoapoptosisKeisuke Kakisaka
Division of Gastroenterology and Hepatology, College of Medicine, Mayo Clinic, Rochester, Minnesota 55905, USA
Am J Physiol Gastrointest Liver Physiol 302:G77-84. 2012..We concluded that LPC-induced lipoapoptosis is dependent on mechanisms largely indistinguishable from PA. These data suggest that FFA-mediated cytotoxicity is indirect via the generation of the toxic metabolite, LPC...
Bile acids activate EGF receptor via a TGF-alpha-dependent mechanism in human cholangiocyte cell linesNathan W Werneburg
Mayo Medical School, Clinic, and Foundation, 200 First Street SW, Rochester, MN 55905, USA
Am J Physiol Gastrointest Liver Physiol 285:G31-6. 2003..In conclusion, bile acids activate EGFR via a TGF-alpha-dependent mechanism, and this EGFR activation promotes cellular growth...
Cholangiocarcinoma: current concepts and insightsGregory J Gores
Division of Gastroenterology and Hepatology, Mayo Medical School, Clinic, and Foundation, Rochester, MN 55905, USA
Hepatology 37:961-9. 2003
Cathepsin B inactivation attenuates hepatic injury and fibrosis during cholestasisAli Canbay
Division of Gastroenterology and Hepatology, Mayo Medical School, Clinic, and Foundation, Rochester, Minnesota 55905, USA
J Clin Invest 112:152-9. 2003..These findings support a prominent role for the lysosomal pathway of apoptosis in tissue injury and link apoptosis to inflammation and fibrogenesis. Ctsb inhibition may be therapeutic in liver diseases...
Cholangiocarcinoma: is transplantation an option? For whom?Gregory J Gores
Mayo Clinic College of Medicine, 200 First Street SW, Rochester, MN 55905, USA
J Hepatol 47:455-9. 2007
The bile acid glycochenodeoxycholate induces trail-receptor 2/DR5 expression and apoptosisH Higuchi
Division of Gastroenterology and Hepatology, Mayo Medical School, Clinic, and Foundation, Rochester, Minnesota 55905, USA
J Biol Chem 276:38610-8. 2001..Induction of TRAIL-R2/DR5 expression and apoptosis by bile acids provides new insights into the mechanisms of hepatocyte apoptosis and the regulation of TRAIL-R2/DR5 expression...
NF-kappaB is activated in cholestasis and functions to reduce liver injuryH Miyoshi
Division of Gastroenterology and Hepatology, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
Am J Pathol 158:967-75. 2001..Liver histology also demonstrated increased liver injury in the BDL mice treated with the Ad5IkappaBsr. In conclusion, NF-kappaB is activated in hepatocytes during obstructive cholestasis and functions to reduce liver injury...
The bile acid-activated phosphatidylinositol 3-kinase pathway inhibits Fas apoptosis upstream of bid in rodent hepatocytesY Takikawa
Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
Gastroenterology 120:1810-7. 2001..Potentiation of this survival pathway in cholestasis has the potential to attenuate liver injury...
Cathepsin B knockout mice are resistant to tumor necrosis factor-alpha-mediated hepatocyte apoptosis and liver injury: implications for therapeutic applicationsM E Guicciardi
Division of Gastroenterology and Hepatology, Mayo Medical School, Clinic, and Foundation, Rochester, Minnesota 55905, USA
Am J Pathol 159:2045-54. 2001..The present data demonstrate that a cat B-mitochondrial apoptotic pathway plays a pivotal role in TNF-alpha-induced hepatocyte apoptosis and liver injury...
Cholangiocarcinomas express Fas ligand and disable the Fas receptorF G Que
Division of Gastroenterologic and General Surgery, Mayo Medical School, Clinic, and Foundation, Rochester, MN 55905, USA
Hepatology 30:1398-404. 1999..Reduction of I-FLICE expression in cholangiocarcinoma cells restored Fas-mediated apoptosis. Therapeutic maneuvers to inhibit expression of I-FLICE may aid in the treatment of cholangiocarcinoma...
Cathepsin B contributes to TNF-alpha-mediated hepatocyte apoptosis by promoting mitochondrial release of cytochrome cM E Guicciardi
Division of Gastroenterology and Hepatology, Mayo Medical School, Clinic, and Foundation, Rochester, Minnesota 55905, USA
J Clin Invest 106:1127-37. 2000..Collectively, these observations suggest that caspase-mediated release of cat B from lysosomes enhances mitochondrial release of cytochrome c and subsequent caspase activation in TNF-alpha-treated hepatocytes...
Nitric oxide-mediated inhibition of DNA repair potentiates oxidative DNA damage in cholangiocytesM Jaiswal
Center for Basic Research in Digestive Diseases, Division of Gastroenterology and Hepatology, Mayo Medical School, Clinic, and Foundation, Rochester, Minnesota, USA
Gastroenterology 120:190-9. 2001..CONCLUSIONS: Collectively, these data implicate NO-mediated inhibition of 8-oxodG base excision DNA repair processes as a mechanism potentiating DNA damage in human inflammatory diseases involving the biliary tract...
Free fatty acids induce JNK-dependent hepatocyte lipoapoptosisHarmeet Malhi
Mayo Clinic College of Medicine, Rochester, Minnesota 55905, USA
J Biol Chem 281:12093-101. 2006..Collectively the data indicate that saturated FFAs induce JNK-dependent hepatocyte lipoapoptosis by activating the proapoptotic Bcl-2 proteins Bim and Bax, which trigger the mitochondrial apoptotic pathway...
GUDC inhibits cytochrome c release from human cholangiocyte mitochondriaF G Que
Division of Gastroenterologic and General Surgery, Mayo Medical School, Rochester, Minnesota 55905, USA
J Surg Res 83:100-5. 1999..These preliminary results are consistent with our hypothesis that the beneficial effect of UDC on PBC may involve decreased apoptosis after GUDC uptake by cholangiocytes...
Apoptosis in cancer: cause and cureS H Kaufmann
Division of Oncology Research and Department of Molecular Pharmacology, Mayo Graduate School, Rochester, Minnesota, USA
Bioessays 22:1007-17. 2000..In this essay, we review recent developments in the fields of carcinogenesis and molecular therapeutics in light of new understanding of apoptotic pathways...
Cathepsin B inactivation attenuates hepatocyte apoptosis and liver damage in steatotic livers after cold ischemia-warm reperfusion injuryE S Baskin-Bey
Mayo Clinic College of Medicine, 200 First St SW, Rochester, Minnesota 55905, USA
Am J Physiol Gastrointest Liver Physiol 288:G396-402. 2005..In conclusion, these findings support a prominent role for the lysosomal pathway of apoptosis in steatotic livers following CI/WR injury...
GLI3-dependent repression of DR4 mediates hedgehog antagonism of TRAIL-induced apoptosisS Kurita
Division of Gastroenterology and Hepatology, Mayo Clinic, College of Medicine, Rochester, MN, USA
Oncogene 29:4848-58. 2010..In conclusion, these data provide evidence of a regulatory mechanism, which modulates TRAIL signaling in cancer cells and suggest new therapeutic approaches for TRAIL-resistant neoplasms...
Bid antisense attenuates bile acid-induced apoptosis and cholestatic liver injuryH Higuchi
Division of Gastroenterology and Hepatology, Mayo Medical School, Clinic, and Foundation, Rochester, Minnesota 55905, USA
J Pharmacol Exp Ther 299:866-73. 2001..These results suggest that bile acid cytotoxicity is Bid-dependent despite the absence of Fas. Bid antisense therapy is a promising approach for the treatment of cholestatic liver injury...
Viral fusogenic membrane glycoprotein expression causes syncytia formation with bioenergetic cell death: implications for gene therapyH Higuchi
Center for Basic Research in Digestive Diseases, Mayo Clinic, Rochester Minnesota 55905, USA
Cancer Res 60:6396-402. 2000..This form of cell death should be effective in vivo and enhance the bystander effect, suggesting that FMG-based gene therapy deserves further study for the treatment of hepatocellular and other cancers...
Hepatocyte apoptosis is a pathologic feature of human alcoholic hepatitisS Natori
Division of Gastroenterology and Hepatology, Mayo Medical School, Clinic and Foundation, Rochester, MN 55905, USA
J Hepatol 34:248-53. 2001..CONCLUSIONS: The present results demonstrate that hepatocyte apoptosis is significantly increased in human AH and justify therapeutic strategies aimed at inhibiting apoptosis in this disease...
Liver transplantation with neoadjuvant chemoradiation is more effective than resection for hilar cholangiocarcinomaDavid J Rea
Division of Gstroenterologic and General Surgery, Mayo Clinic College of Medicine, Rochester, MN, USA
Ann Surg 242:451-8; discussion 458-61. 2005....
Bid is upstream of lysosome-mediated caspase 2 activation in tumor necrosis factor alpha-induced hepatocyte apoptosisM Eugenia Guicciardi
Division of Gastroenterology and Hepatology, Mayo Clinic College of Medicine, Rochester, Minnesota 55905, USA
Gastroenterology 129:269-84. 2005....
Kupffer cell-derived cyclooxygenase-2 regulates hepatocyte Bcl-2 expression in choledocho-venous fistula ratsE O Souto
Division of Gastroenterology and Hepatology, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
Am J Physiol Gastrointest Liver Physiol 280:G805-11. 2001..These data suggest Kupffer cell-derived prostanoids may regulate Bcl-2 expression in the hepatocyte...
Nuclear serine protease activity contributes to bile acid-induced apoptosis in hepatocytesP Kwo
Center for Basic Research in Digestive Diseases, Mayo Clinic, Rochester, Minnesota 55905, USA
Am J Physiol 268:G613-21. 1995..These data may be important in understanding apoptosis in other cell types and in providing insight into the mechanisms of liver injury during cholestasis...
Increases of intracellular magnesium promote glycodeoxycholate-induced apoptosis in rat hepatocytesT Patel
Center for Basic Research in Digestive Diseases, Mayo Clinic, Rochester, Minnesota 55905
J Clin Invest 94:2183-92. 1994..These data suggest for the first time that changes of Mgi2+ may participate in the program of cellular events culminating in apoptosis...
Imatinib mesylate induces apoptosis in human cholangiocarcinoma cellsMihnea V Chiorean
Division of Gastroenterology and Hepatology, and Division of Oncology Research, Mayo Clinic College of Medicine, Rochester, MN, USA
Liver Int 24:687-95. 2004....
Tumor necrosis factor-alpha-associated lysosomal permeabilization is cathepsin B dependentNathan W Werneburg
Division of Gastroenterology and Hepatology, Mayo Medical School, Clinic, and Foundation, Rochester, Minnesota 55905, USA
Am J Physiol Gastrointest Liver Physiol 283:G947-56. 2002..C(6) ceramide did not permeabilize lysosomes. In conclusion, these data implicate a sphingosine-Cat B interaction inducing lysosomal destabilization during TNF-alpha cytotoxic signaling...
Cholestasis increases tumor necrosis factor-related apoptotis-inducing ligand (TRAIL)-R2/DR5 expression and sensitizes the liver to TRAIL-mediated cytotoxicityHajime Higuchi
Division of Gastroenterology and Hepatology, Mayo Medical School, Clinic, and Foundation, 200 First Street SW, Rochester, MN 55905, USA
J Pharmacol Exp Ther 303:461-7. 2002..In conclusion, these data define conditions under which TRAIL is hepatotoxic...
Endoscopic application of photodynamic therapy for cholangiocarcinomaA Rumalla
Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, USA
Gastrointest Endosc 53:500-4. 2001..CONCLUSIONS: Photodynamic therapy for cholangiocarcinoma is safe and technically feasible with a preloaded biliary catheter and a monorail technique for catheter positioning...
Inhibition of epidermal growth factor receptor kinase induces protease-dependent apoptosis in human colon cancer cellsW E Karnes
Division of Gastroenterology, Mayo Clinic, Rochester, Minnesota 55905, USA
Gastroenterology 114:930-9. 1998....
CholangiocarcinomaN Torok
Division of Gastroenterology and Hepatobiology, Center for Basic Research in Digestive Diseases, Mayo Clinic/Foundation/Medical School, Rochester, MN 55905, USA
Semin Gastrointest Dis 12:125-32. 2001..Successful treatment outcome of these patients highlights the need for an early diagnosis of cholangiocarcinoma using the approaches described above...
Caspase inhibition reduces apoptotic death of cryopreserved porcine hepatocytesT Yagi
Division of Transplantation Surgery, Mayo Clinic, Rochester, MN 55905, USA
Hepatology 33:1432-40. 2001..These results demonstrate the following: 1) Caspase 3-like protease activation and apoptosis occurs in porcine hepatocytes during cryopreservation; and 2) mitochondrial injury in this process is reduced by caspase inhibition...
Liver transplantation for gastroenteropancreatic neuroendocrine cancers: Defining selection criteria to improve survivalFrederike G I van Vilsteren
Mayo Clinic College of Medicine, Rochester, MN 55905, USA
Liver Transpl 12:448-56. 2006..In conclusion, liver transplantation for patients with hepatic metastases from GEP is a viable therapeutic option in highly selected patients...
Sustained IL-6/STAT-3 signaling in cholangiocarcinoma cells due to SOCS-3 epigenetic silencingHajime Isomoto
Miles and Shirley Fiterman Center for Digestive Diseases, Mayo Clinic College of Medicine, 200 First Street SW, Rochester, MN 55905, USA
Gastroenterology 132:384-96. 2007..Because suppressor of cytokine signaling 3 (SOCS) controls the IL-6/STAT-3 signaling pathway by a classic feedback loop, the aims of this study were to examine SOCS-3 regulation in human cholangiocarcinoma...
JNK1-dependent PUMA expression contributes to hepatocyte lipoapoptosisSophie C Cazanave
Miles and Shirley Fitterman Center for Digestive Diseases, Division of Gastroenterology and Hepatology, College of Medicine, Mayo Clinic, Rochester, Minnesota 55905, USA
J Biol Chem 284:26591-602. 2009..Collectively, the data implicate JNK1-dependent PUMA expression as a mechanism contributing to hepatocyte lipoapoptosis...
Cholangiocarcinoma: modern advances in understanding a deadly old diseaseHarmeet Malhi
Mayo Clinic College of Medicine, Rochester, MN, USA
J Hepatol 45:856-67. 2006..Future targeted therapies will depend on a better understanding of the cellular and molecular biology of cholangiocarcinomas...
Treatment of cholangiocarcinoma complicating primary sclerosing cholangitis: the Mayo Clinic experienceM Kaya
Division of Gastroenterology and Hepatology, Mayo Clinic and General Foundation, Rochester, Minnesota 55905, USA
Am J Gastroenterol 96:1164-9. 2001..However, these therapies are rarely applied to these patients because of the advanced nature of the disease at the time of diagnosis. Efforts should be directed at earlier identification of potential surgical candidates...
Mcl-1 mediates tumor necrosis factor-related apoptosis-inducing ligand resistance in human cholangiocarcinoma cellsMakiko Taniai
Mayo Clinic School of Medicine, Rochester, Minnesota 55905, USA
Cancer Res 64:3517-24. 2004..In conclusion, these studies not only demonstrate that Mcl-1 mediates TRAIL resistance in cholangiocarcinoma cells by blocking the mitochondrial pathway of cell death but also identify two strategies for circumventing this resistance...
The utility of Lens culinaris agglutinin-reactive alpha-fetoprotein in the diagnosis of hepatocellular carcinoma: evaluation in a United States referral populationApinya Leerapun
Miles and Shirley Fiterman Center for Digestive Diseases, Department of Internal Medicine, Mayo Clinic College of Medicine, Rochester, Minnesota 55905, USA
Clin Gastroenterol Hepatol 5:394-402; quiz 267. 2007..We evaluated the utility of AFP-L3% for diagnosis of HCC in a US referral population...
Transcriptional regulation of Bim by FoxO3A mediates hepatocyte lipoapoptosisFernando J Barreyro
Division of Gastroenterology and Hepatology, Mayo Clinic College of Medicine, 200 First Street SW, Rochester, MN 55905, USA
J Biol Chem 282:27141-54. 2007..In conclusion, saturated FFA stimulate protein phosphatase 2A activity, which activates FoxO3a, inducing expression of the intracellular death mediator Bim...
Primary sclerosing cholangitis and cholangiocarcinomaKonstantinos N Lazaridis
Division of Gastroenterology and Hepatology, Center for Basic Research in Digestive Diseases, Mayo Clinic College of Medicine, Rochester, Minnesota 55905, USA
Semin Liver Dis 26:42-51. 2006..Future studies should emphasize deciphering the sequence of events that transform the inflammatory changes of the biliary tree to cancer. Only then will chemoprevention, early diagnosis, and therapy of CCA in patients with PSC improve...
Free fatty acids promote hepatic lipotoxicity by stimulating TNF-alpha expression via a lysosomal pathwayAriel E Feldstein
Department of Gastroenterology and Hepatology, Mayo Clinic College of Medicine, Rochester, MN 55905, USA
Hepatology 40:185-94. 2004..quot; In conclusion, these data support a lipotoxic model of FFA-mediated lysosomal destabilization...
Interleukin-6 contributes to Mcl-1 up-regulation and TRAIL resistance via an Akt-signaling pathway in cholangiocarcinoma cellsShogo Kobayashi
Mayo Clinic College of Medicine, Rochester, Minnesota 55905, USA
Gastroenterology 128:2054-65. 2005..The present study evaluated the possibility that IL-6 signaling contributes to Mcl-1 up-regulation in cholangiocarcinoma...
Vascular complications after orthotopic liver transplantation after neoadjuvant therapy for hilar cholangiocarcinomaHendrik T J Mantel
William J von Liebig Transplant Center, Department of Radiology, Mayo Clinic Rochester and Mayo Clinic College of Medicine, Rochester, MN 55905, USA
Liver Transpl 13:1372-81. 2007..Liver transplantation with neoadjuvant therapy is associated with far higher rates of late arterial and portal venous complications, but these complications do not adversely affect patient and graft survival...
Trail induces cell migration and invasion in apoptosis-resistant cholangiocarcinoma cellsNorihisa Ishimura
Division of Gastroenterology and Hepatology, Mayo Clinic College of Medicine, 200 First St SW, Rochester, MN 55905, USA
Am J Physiol Gastrointest Liver Physiol 290:G129-36. 2006..These data demonstrate that TRAIL promotes cell migration and invasion via a NF-kappaB-dependent pathway in human cholangiocarcinoma cell lines, an observation that has a potential negative implication for TRAIL in cancer therapy...
TNF-alpha-mediated lysosomal permeabilization is FAN and caspase 8/Bid dependentNate Werneburg
Mayo Clinic College of Medicine, 200 First St SW, Rochester, MN 55905, USA
Am J Physiol Gastrointest Liver Physiol 287:G436-43. 2004..In conclusion, these studies suggest FAN is upstream of caspase-8/Bid in a signaling cascade culminating in lysosomal permeabilization...
Nitric oxide inhibits apoptosis downstream of cytochrome C release by nitrosylating caspase 9Natalie J Torok
Division of Gastroenterology and Hepatology, Mayo Medical School, Clinic, and Foundation, Rochester, Minnesota 55905, USA
Cancer Res 62:1648-53. 2002..In conclusion, NO inhibits apoptosis downstream of cytochrome c release by directly blocking caspase 9 activation...
Death receptor 5 internalization is required for lysosomal permeabilization by TRAIL in malignant liver cell linesYuko Akazawa
Miles and Shirley Fiterman Center for Digestive Diseases, Division of Gastroenterology and Hepatology, College of Medicine, Mayo Clinic, Rochester, Minnesota 55905, USA
Gastroenterology 136:2365-2376.e1-7. 2009..Our aims were to determine which TRAIL receptor, death receptor (DR) 4 or DR5, mediates lysosomal permeabilization and assess whether receptor endocytosis followed by trafficking to lysosomes contributes in this process...
A multivariable model using advanced cytologic methods for the evaluation of indeterminate pancreatobiliary stricturesEmily G Barr Fritcher
Department of Laboratory Medicine and Pathology, Mayo Clinic and Foundation, Rochester, Minnesota 55905, USA
Gastroenterology 136:2180-6. 2009..The goal of this study was to retrospectively compare the performance of RC, DIA, and FISH on clinical brushing specimens...
Sorafenib inhibits signal transducer and activator of transcription-3 signaling in cholangiocarcinoma cells by activating the phosphatase shatterproof 2Boris R A Blechacz
Division of Gastroenterology and Hepatology, Miles and Shirley Fiterman Center for Digestive Diseases, College of Medicine, Mayo Clinic, Rochester, MN 55905, USA
Hepatology 50:1861-70. 2009..CONCLUSION: Sorafenib accelerates STAT3 dephosphorylation by stimulating phosphatase SHP2 activity, sensitizes CCA cells to TRAIL-mediated apoptosis, and is therapeutic in a syngeneic rat, orthotopic CCA model that mimics human disease...
Preliminary experience with liver transplantation in selected patients with unresectable hilar cholangiocarcinomaZiad Hassoun
Division of Gastroenterology and Hepatology, Mayo Medical School, Clinic, and Foundation, 200 First Street SW, Rochester, MN 55905, USA
Surg Oncol Clin N Am 11:909-21. 2002..This finding confirms the importance of the staging laparotomy as an essential component of the protocol...
TRAIL mediates liver injury by the innate immune system in the bile duct-ligated mouseAlisan Kahraman
Miles and Shirley Fitterman Center for Digestive Diseases, Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN 55905, USA
Hepatology 47:1317-30. 2008..Conclusion: These observations support a pivotal role for TRAIL in cholestatic liver injury mediated by NK 1.1-positive NK/NKT cells...
Bile acids induce cyclooxygenase-2 expression via the epidermal growth factor receptor in a human cholangiocarcinoma cell lineJung-Hwan Yoon
Division of Gastroenterology and Hepatology, Mayo Medical School, Clinic, and Foundation, Rochester, Minnesota 55905, USA
Gastroenterology 122:985-93. 2002..CONCLUSIONS: The results show that EGFR is activated by bile acids and functions to induce COX-2 expression by an MAPK cascade. This induction of COX-2 may participate in the genesis and progression of cholangiocarcinomas...
Treatment of hepatocellular carcinomaZiad Hassoun
Division of Gastroenterology and Hepatology, Mayo Medical School, Clinic, and Foundation, Rochester, Minnesota 55905, USA
Clin Gastroenterol Hepatol 1:10-8. 2003
The relationship between apoptosis and non-alcoholic fatty liver disease: an evolutionary cornerstone turned pathogenicA Canbay
Division of Gastroenterology and Hepatology, Department of Medicine, University Hospital Essen, University of Duisburg Essen, Essen, Germany
Z Gastroenterol 43:211-7. 2005....
Apoptosis: a mechanism of acute and chronic liver injuryM E Guicciardi
Mayo Clinic College of Medicine, 200 First St SW, Rochester, Minnesota 55905, USA
Gut 54:1024-33. 2005
Liver transplantation for malignant diseaseG J Gores
Division of Gastroenterology and Internal Medicine, Mayo Clinic, Rochester, Minnesota
Gastroenterol Clin North Am 22:285-99. 1993....
Diagnostic role of serum CA 19-9 for cholangiocarcinoma in patients with primary sclerosing cholangitisJ C Nichols
Division of Gastroenterology and Internal Medicine, Mayo Clinic, Rochester, Minnesota 55905
Mayo Clin Proc 68:874-9. 1993..The measurement of serum concentrations of CA 19-9 is a promising test for detecting cholangiocarcinoma in patients with PSC...
Clinical Trial of the Pan-Caspase Inhibitor, IDN-6556, in Human Liver Preservation InjuryE S Baskin Bey
William J von Liebig Transplant Center, Mayo Clinic College of Medicine, Rochester, Minnesota, USA
Am J Transplant 7:218-25. 2007..However, larger studies are required to confirm these observations...
Bile acid-mediated hepatocyte apoptosis and cholestatic liver diseaseM E Guicciardi
Division of Gastroenterology and Hepatology, Mayo Medical School, Clinic, and Foundation, Rochester, MN 55905, USA
Dig Liver Dis 34:387-92. 2002
Review article: the modern diagnosis and therapy of cholangiocarcinomaH Malhi
Mayo Clinic College of Medicine, Rochester, MN 55905, USA
Aliment Pharmacol Ther 23:1287-96. 2006..Patients with unresectable cholangiocarcinoma or pre-existing primary sclerosing cholangitis should be considered for liver transplantation with neoadjuvant chemoirradiation, in specialized centres...
The bile acid taurochenodeoxycholate activates a phosphatidylinositol 3-kinase-dependent survival signaling cascadeC Rust
Division of Gastroenterology and Hepatology, Department of Oncology, Mayo Clinic, Rochester, Minnesota 55905, USA
J Biol Chem 275:20210-6. 2000..Collectively, these data suggest that some hydrophobic bile acids such as TCDC activate PI3K-dependent survival pathways, which prevent their otherwise inherent toxicity...
Cryptosporidium parvum activates nuclear factor kappaB in biliary epithelia preventing epithelial cell apoptosisX M Chen
Center for Basic Research in Digestive Diseases, Division of Gastroenterology and Hepatology, Mayo Medical School, Clinic and Foundation, Rochester, Minnesota 55905, USA
Gastroenterology 120:1774-83. 2001....
Proteasome inhibition-induces endoplasmic reticulum dysfunction and cell death of human cholangiocarcinoma cellsYucel Ustundag
Mayo Clinic College of Medicine, 200 First Street SW, Rochester, Minnesota 55905, USA
World J Gastroenterol 13:851-7. 2007..To determine if proteasome inhibition induces apoptosis in human cholangiocarcinoma cells, and if so, to elucidate the cellular mechanisms...
Liver transplantation for cholangiocarcinomaCharles B Rosen
Division of Transplantation Surgery, Mayo Clinic, Rochester, MN 55905, USA
Transpl Int 23:692-7. 2010....
A smac mimetic reduces TNF related apoptosis inducing ligand (TRAIL)-induced invasion and metastasis of cholangiocarcinoma cellsChristian D Fingas
Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, USA
Hepatology 52:550-61. 2010..These data support the emerging concept that IAPs are prometastatic and represent targets for antimetastatic therapies...
CHOP and AP-1 cooperatively mediate PUMA expression during lipoapoptosisSophie C Cazanave
Division of Gastroenterology and Hepatology, College of Medicine, Mayo Clinic, Rochester, Minnesota 55905, USA
Am J Physiol Gastrointest Liver Physiol 299:G236-43. 2010..Finally, loss of function studies suggest that both transcription factors are necessary for maximal PUMA induction. Collectively, these data suggest that CHOP and AP-1 cooperatively mediate PUMA induction during hepatocyte lipoapoptosis...
A novel endoscopic approach to brachytherapy in the management of Hilar cholangiocarcinomaDia T Simmons
Department of Medicine, Division of Gastroenterology and Hepatology, Mayo Clinic College of Medicine, Rochester, Minnesota 55905, USA
Am J Gastroenterol 101:1792-6. 2006..Unlike NBTs, stents can potentially be placed in bilateral ductal systems to accommodate dual brachytherapy catheters when indicated...
Long-term probability of and mortality from de novo malignancy after liver transplantationKymberly D S Watt
Division of Gastroenterology and Hepatology, Mayo Clinic and Foundation, Rochester, Minnesota 55905, USA
Gastroenterology 137:2010-7. 2009..We analyzed a multicenter, prospectively obtained database to assess the probabilities of and risk factors for de novo malignancies in patients after liver transplantation...
The lysosomal-mitochondrial axis in free fatty acid-induced hepatic lipotoxicityZhengzheng Li
Department of Cell Biology, Cleveland Clinic, Cleveland, OH 44195, USA
Hepatology 47:1495-503. 2008..Our data further suggest this process is dependent on lysosomal disruption and activation of cathepsin B...
Liver transplantation for perihilar cholangiocarcinoma after aggressive neoadjuvant therapy: a new paradigm for liver and biliary malignancies?Julie K Heimbach
William J von Liebig Transplant Center, Mayo Clinic College of Medicine, Rochester, Minn 55905, USA
Surgery 140:331-4. 2006
Emerging drugs for hepatocellular carcinomaLewis R Roberts
Mayo Clinic College of Medicine, Miles and Shirley Fiterman Center for Digestive Diseases, 200 First Street SW, Rochester, MN 55905, USA
Expert Opin Emerg Drugs 11:469-87. 2006....
Treatment options for hepatobiliary and pancreatic cancerSteven R Alberts
Division of Medical Oncology, College of Medicine, Mayo Clinic, Rochester, MN 55905, USA
Mayo Clin Proc 82:628-37. 2007..For pancreatic cancer, surgery, radiation, and systemic therapy all have potential roles. This review provides an updated summary of diagnosis and assessment together with treatment options for this group of cancers...
Our new president--Nicholas F. LaRusso, MDKonstantinos N Lazaridis
Center for Basic Research in Digestive Disease, Division of Gastroenterology and Hepatology, Mayo Clinic College of Medicine, Rochester, Minnesota 55905, USA
Gastroenterology 132:2005-11. 2007
MicroRNA-21 is overexpressed in human cholangiocarcinoma and regulates programmed cell death 4 and tissue inhibitor of metalloproteinase 3Florin M Selaru
Division of Gastroenterology and Hepatology, Department of Medicine, Johns Hopkins University, Baltimore, MD 21287, USA
Hepatology 49:1595-601. 2009..Conclusions: MiR-21 is overexpressed in human CCAs. Furthermore, miR-21 may be oncogenic, at least in part, by inhibiting PDCD4 and TIMP3. Finally, these data suggest that TIMP3 is a candidate tumor suppressor gene in the biliary tree...
Tumor necrosis factor-related apoptosis-inducing ligand activates a lysosomal pathway of apoptosis that is regulated by Bcl-2 proteinsNathan W Werneburg
Mayo Clinic College of Medicine, Rochester, Minnesota 55905, USA
J Biol Chem 282:28960-70. 2007..Collectively, these data suggest that TRAIL can trigger an apoptotic pathway that involves JNK-dependent activation of Bim, which in turn induces Bax-mediated permeabilization of lysosomes...
Effect of local anesthetic on neuronal cytoplasmic calcium and plasma membrane lysis (necrosis) in a cell culture modelMichael E Johnson
Anesthesiology Department, Division of Gastroenterology and Hepatology, Mayo Clinic and Foundation, 200 Southwest First Street, Rochester, MN 55905, USA
Anesthesiology 97:1466-76. 2002....
Predictors of disease recurrence following neoadjuvant chemoradiotherapy and liver transplantation for unresectable perihilar cholangiocarcinomaJulie K Heimbach
William J von Liebig Transplant Center, Mayo Clinic College of Medicine, Rochester, MN 55905, USA
Transplantation 82:1703-7. 2006..We reviewed our experience with the aim to identify clinicopathological predictors of disease recurrence...
Apoptotic cell death and function of cryopreserved porcine hepatocytes in a bioartificial liverTakakazu Matsushita
Division of Transplantation Surgery, Mayo Clinic, Rochester, MN 55905, USA
Cell Transplant 12:109-21. 2003..These data demonstrate that inhibition of apoptosis also preserves cell function...
Transplantation for hilar cholangiocarcinomaJulie K Heimbach
William J von Liebig Transplant Center, Mayo Clinic College of Medicine, Rochester, MN, USA
Liver Transpl 10:S65-8. 2004..4. Survival following liver transplantation for unresectable, perihilar CCAs, mass lesion if present <3 cm, is greater than 80% at 5 years. 5. Patients with intrahepatic CCAs are not eligible for liver transplantation...
A comparison of routine cytology and fluorescence in situ hybridization for the detection of malignant bile duct stricturesBenjamin R Kipp
Department of Laboratory Medicine and Pathology, Mayo Clinic College of Medicine, 200 First Street SW, Rochester, MN 55905, USA
Am J Gastroenterol 99:1675-81. 2004..FISH may improve the clinical management of patients who are being evaluated for malignancy in bile duct strictures...
COX-2 inhibits Fas-mediated apoptosis in cholangiocarcinoma cellsUgochukwu C Nzeako
Division of Gastroenterology and Hepatology, Mayo Medical School, Clinic, and Foundation, 200 First Street SW, Rochester, MN 55905, USA
Hepatology 35:552-9. 2002..Pharmacologic inhibition of COX-2 may be useful in augmenting Fas-mediated apoptosis of cholangiocarcinoma cells...
A prospective comparison of digital image analysis and routine cytology for the identification of malignancy in biliary tract stricturesTodd H Baron
Division of Gastroenterology, Mayo Clinic, Rochester, Minnesota 55905, USA
Clin Gastroenterol Hepatol 2:214-9. 2004..Digital image analysis (DIA) allows quantification of nuclear DNA content and may help distinguish benign and malignant strictures of the biliary tract...
Synthetic Smac/DIABLO peptides enhance the effects of chemotherapeutic agents by binding XIAP and cIAP1 in situChristina R Arnt
Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Graduate School, Rochester, Minnesota 55905, USA
J Biol Chem 277:44236-43. 2002..These studies demonstrate that inhibition of IAP proteins can modulate the efficacy of antineoplastic agents...
Bile acids up-regulate death receptor 5/TRAIL-receptor 2 expression via a c-Jun N-terminal kinase-dependent pathway involving Sp1Hajime Higuchi
Division of Gastroenterology and Hepatology, Mayo Medical School, Clinic, and Foundation, Rochester, Minnesota 55905, USA
J Biol Chem 279:51-60. 2004..Finally, point mutations of the Sp1 binding site attenuated promoter activity. In conclusion, Sp1 is a bile acid-responsive transcription factor that mediates DR5/TRAIL-R2 gene expression downstream of JNK...
p16INK4a promoter mutations are frequent in primary sclerosing cholangitis (PSC) and PSC-associated cholangiocarcinomaMakiko Taniai
Division of Gastroenterology and Hepatology, Mayo Medical School, Clinic, and Foundation, Rochester, Minnesota 55905, USA
Gastroenterology 123:1090-8. 2002..Because p16(INK4a) inactivation has been implicated in cholangiocarcinoma, our aims were to examine PSC cholangiocytes for p16(INK4a) gene mutations...
Pilot study to assess patient outcomes following endoscopic application of photodynamic therapy for advanced cholangiocarcinomaGavin C Harewood
Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, USA
J Gastroenterol Hepatol 20:415-20. 2005..The aim of this pilot study was to assess the outcome in patients with non-resectable cholangiocarcinoma following endoscopic application of PDT directly into the biliary tract...
Neuroimaging in hepatic encephalopathyCharmaine A Stewart
Division of Gastroenterology, Mayo Clinic, 200 First Street, Southwest, Rochester, Minnesota 55905, USA
Clin Gastroenterol Hepatol 3:197-207. 2005..In this review, we have provided an outline of the understood mechanisms of HE and the associated findings on neuroimaging...
Interleukin 6 upregulates myeloid cell leukemia-1 expression through a STAT3 pathway in cholangiocarcinoma cellsHajime Isomoto
Mayo Clinic College of Medicine, Rochester, MN 55905, USA
Hepatology 42:1329-38. 2005..In conclusion, we have directly demonstrated a STAT3 regulatory element in the Mcl-1 promoter. Downregulation of Mcl-1 transcription by inhibiting this cascade is a potential strategy for the treatment of this cancer...
Inducible nitric oxide synthase up-regulates Notch-1 in mouse cholangiocytes: implications for carcinogenesisNorihisa Ishimura
Division of Gastroenterology and Hepatology, Mayo Clinic, College of Medicine, Rochester, Minnesota 55905, USA
Gastroenterology 128:1354-68. 2005..Because cholangiocarcinomas arise in a background of inflammation and express the inflammatory mediator inducible nitric oxide synthase (iNOS), we aimed to determine whether iNOS expression alters Notch expression and signaling...
"Will all liver transplantation patients eventually die from cancer?"William Sanchez
Mayo Clinic College of Medicine, 200 First Street SW, Rochester, MN 55901, USA
J Hepatol 44:13-8. 2006
Mortality and hospital utilization for hepatocellular carcinoma in the United StatesW Ray Kim
Division of Gastroenterology and Hepatology and Department of Internal Medicine, Mayo Clinic College of Medicine, Rochester, Minnesota 55905, USA
Gastroenterology 129:486-93. 2005..Hospital service utilization was estimated based on length of stay, total hospitalization charges, and principal procedures...
mir-29 regulates Mcl-1 protein expression and apoptosisJ L Mott
Division of Gastroenterology and Hepatology, Miles and Shirley Fiterman Center for Digestive Diseases, Mayo Clinic College of Medicine, Rochester, MN, USA
Oncogene 26:6133-40. 2007..Thus mir-29 is an endogenous regulator of Mcl-1 protein expression, and thereby, apoptosis...
Death by association: BH3 domain-only proteins and liver injuryE S Baskin-Bey
Mayo Clinic College of Medicine, Rochester, MN 55905, USA
Am J Physiol Gastrointest Liver Physiol 289:G987-90. 2005....
TRAIL resistance results in cancer progression: a TRAIL to perdition?H Malhi
Division of Gastroenterology and Hepatology, Miles and Shirley Fiterman Center in Digestive Diseases, Mayo Clinic College of Medicine, Rochester, MN 55905, USA
Oncogene 25:7333-5. 2006..A paradigm emerges from this information, that chemotherapy, targeting NF-kappaB, cFLIP, or antiapoptotic proteins of the Bcl-2 family, in combination with TRAIL maybe more rational than TRAIL therapy alone...
Ursodeoxycholic acid 'mechanisms of action and clinical use in hepatobiliary disorders'K N Lazaridis
Division of Gastroenterology and Hepatology, Mayo Clinic and Foundation, 55905, USA
J Hepatol 35:134-46. 2001....
Research Grants
- MECHANISMS OF LIVER CELL INJURYGregory J Gores; Fiscal Year: 2010..The results of these studies are germane to mechanisms of liver injury in the common syndrome of nonalcoholic fatty liver disease, and have the potential to identify new therapeutic strategies for this liver disease. ..
- Organelle Dysfunction and Apoptosis in Liver EpitheliaGregory Gores; Fiscal Year: 2009..Lysosome disruption results in the release of toxic compounds into the cell culminating in cell demise. The results of these studies are germane both to mechanisms of liver injury and the use of TRAIL as a chemotherapeutic agent. ..
- Mechanisms of Carcinogenesis in Biliary EpitheliaGregory J Gores; Fiscal Year: 2010..The information emanating from these studies may potentially help identify therapeutic strategies for the treatment and/or chemoprevention of cholangiocarcinoma. ..
- Organelle Dysfunction and Apoptosis in Liver EpitheliaGregory J Gores; Fiscal Year: 2010..Lysosome disruption results in the release of toxic compounds into the cell culminating in cell demise. The results of these studies are germane both to mechanisms of liver injury and the use of TRAIL as a chemotherapeutic agent. ..
- Mechanisms of Carcinogenesis in Biliary EpitheliaGregory Gores; Fiscal Year: 2007..The information emanating from these studies may potentially help identify therapeutic strategies for the treatment and/or chemoprevention of cholangiocarcinoma. ..
- Organelle Dysfunction and Apoptosis in Liver EpitheliaGregory Gores; Fiscal Year: 2007..The significance of the information generated is that it will provide a framework for the potential development of novel therapeutic strategies effective in attenuating human liver injury. ..
- Mechanisms of Carcinogenesis in Biliary EpitheliaGregory Gores; Fiscal Year: 2005..Successful completion of these proposed studies has the potential for development of new strategies to prevent and treat malignant human liver diseases. ..
- MECHANISMS OF LIVER CELL INJURYGregory Gores; Fiscal Year: 2007..The significance of the information generated is that it will help provide a framework for the potential development of novel therapeutic strategies effective in attenuating cholestatic liver injury. ..
- MECHANISMS OF LIVER CELL INJURYGregory J Gores; Fiscal Year: 2010..The results of these studies are germane to mechanisms of liver injury in the common syndrome of nonalcoholic fatty liver disease, and have the potential to identify new therapeutic strategies for this liver disease. ..
