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Saffroy R, Pham P, Lemoine A, Debuire B. [Molecular biology and hepatocellular carcinoma: current status and future prospects]. Ann Biol Clin (Paris) 2004; 62:649-56. [PMID: 15563423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2004] [Accepted: 08/25/2004] [Indexed: 05/01/2023]
Abstract
Hepatocellular carcinoma (HCC) is among the fifth most common cancers worldwide. Its incidence is still rising in part because of the high level of hepatitis C virus infection. Tumor markers currently used such as serum alpha-foetoprotein are not sufficient for diagnosis of the tumor and satisfying follow-up of the patients. Mechanisms of hepatocarcinogenesis ar not completely understood although several altered genes have been described in HCC. The genetic changes involved can be divided in at least 4 different pathways, each pathway contributing to a limited number of tumors. These are: 1) the p53 pathway involved in response to DNA damage, 2) the retinoblastoma pathway involved in the control of the cell cycle, 3) the transforming growth factor-beta (TGF-beta) pathway involved in growth inhibition, and 4) the Wnt pathway involved in cell-cell adhesion and signal transduction. Alterations of the epigenetic regulation of gene expression have also been described. Evolution of molecular biology methods tends to the development of more global genomic approaches; microsatellite instability analysis, chromosomal instability analysis or gene expression profile analysis have been used to investigate HCC. Finally, attempts to develop molecular biomarkers based on peripheral blood analysis more easily accessible in clinical routine patients have also been developed.
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77
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Lemoine A, Mathelin J, Braquart-Varnier C, Everaerts C, Delachambre J. A functional analysis of ACP-20, an adult-specific cuticular protein gene from the beetle Tenebrio: role of an intronic sequence in transcriptional activation during the late metamorphic period. INSECT MOLECULAR BIOLOGY 2004; 13:481-493. [PMID: 15373806 DOI: 10.1111/j.0962-1075.2004.00508.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
A gene encoding the adult cuticular protein ACP-20 was isolated in Tenebrio. It consists of three exons interspersed by two introns, intron 1 interrupting the signal peptide. To understand the regulatory mechanisms of ACP-20 expression, ACP-20 promoter-luciferase reporter gene constructs were transfected into cultured pharate adult wing epidermis. Transfection assays needed the presence of 20-hydroxyecdysone, confirming that ACP-20 is up-regulated by ecdysteroids. Analysis of 5' deletion constructs revealed that three regions are necessary for high levels of transcription. Interaction experiments between intronic fragments and epidermal nuclear proteins confirmed the importance of intron 1 in ACP-20 transcriptional control, which results from the combined activity of regulatory cis-acting elements of the promoter and those of intron 1.
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78
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Azoulay D, Del Gaudio M, Andreani P, Ichai P, Sebag M, Adam R, Karam V, Lemoine A, Bismuth H, Castaing D. EFFECTS OF ISCHEMIC PRECONDITIONING OF THE CADAVERIC LIVER ON THE GRAFT’S PRESERVATION AND FUNCTION: THE YING AND THE YANG. Transplantation 2004. [DOI: 10.1097/00007890-200407271-00126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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79
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Perzyna A, Klupsch F, Houssin R, Pommery N, Lemoine A, Hénichart JP. New benzo[5,6]pyrrolizino[1,2- b ]quinolines as cytotoxic agents. Bioorg Med Chem Lett 2004; 14:2363-5. [PMID: 15081041 DOI: 10.1016/j.bmcl.2004.01.097] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2003] [Revised: 01/23/2004] [Accepted: 01/23/2004] [Indexed: 11/23/2022]
Abstract
An assessment of structure-activity relationships associated with the new benzo[5,6]pyrrolizino[1,2-b]quinoline system displaying potent in vitro cytotoxic activity against the MCF7 cell line is described.
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80
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Saffroy R, Lemoine A, Haas P, Tindiliere F, Marion S, Debuire B. Rapid automated simultaneous screening of (G1691A) Factor V, (G20210A) prothrombin, and (C677T) methylenetetrahydrofolate reductase variants by multiplex PCR using fluorescence scanning technology. GENETIC TESTING 2003; 6:233-6. [PMID: 12490067 DOI: 10.1089/109065702761403432] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
The Factor V Leiden mutation (G1691A), and mutations in the prothrombin (G20210A) and 5,10-methylenetetrahydrofolate reductase (C677T) genes are common hereditary risk factors associated with venous thrombosis. The aim of this study was to develop an automated, PCR-based genotyping assay for rapid simultaneous screening of these three mutations. We adapted multiplex PCR, using primer modifications to introduce cleavage sites for restriction endonucleases into the fragments bearing each of the mutations. The three mutations were analyzed in a single tube by fluorescence scanning. An internal digestion control was introduced to prevent false-negative results due to incomplete digestion or a total lack of digestion. DNA fragment analysis was carried out using an automated capillary electrophoresis instrument (ABI310). This reliable, efficient, easy-to-use assay can be applied to specimens from large clinical trials and epidemiological surveys.
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81
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Birlouez I, Cals MJ, Covi G, Dauvergne A, Faure H, Fayol V, Galabert C, Guéant JL, Guilland JC, Herbeth B, Hercberg S, Jardel A, Jeandel C, Léger C, Le Moël G, Lemoine A, Rousselot D, Thérond P, Vidailhet M. [Vitamins and aging]. Ann Biol Clin (Paris) 2002; 60:429-41. [PMID: 12147447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/26/2023]
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82
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Birlouez I, Cals MJ, Covi G, Dauvergne A, Faure H, Fayol V, Galabert C, Guéant JL, Guilland JC, Herbeth B, Hercberg S, Jardel A, Jeandel C, Léger C, Le Moël G, Lemoine A, Rousselot D, Thérond P, Vidailhet M. [Vitamins and biotechnologies]. Ann Biol Clin (Paris) 2002; 60:451-61. [PMID: 12147449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/26/2023]
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83
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Birlouez I, Cals MJ, Covi G, Dauvergne A, Faure H, Fayol V, Galabert C, Guéant JL, Guilland JC, Herbeth B, Hercberg S, Jardel A, Jeandel C, Léger C, Le Moël G, Lemoine A, Rousselot D, Thérond P, Vidailhet M. [Vitamin deficiency and malnutrition]. Ann Biol Clin (Paris) 2002; 60:443-50. [PMID: 12147448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/26/2023]
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84
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Lemoine A, Pham P, Azoulay D, Saliba F, Emile JF, Saffroy R, Broet P, Bismuth H, Samuel D, Debuire B. Detection of gammopathy by serum protein electrophoresis for predicting and managing therapy of lymphoproliferative disorder in 911 recipients of liver transplants. Blood 2001; 98:1332-8. [PMID: 11520779 DOI: 10.1182/blood.v98.5.1332] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Monitoring of posttransplantation lymphoproliferative disorder (LPD) is usually based on imaging, which lacks sensitivity. A prospective study in 911 consecutive recipients of liver transplants was conducted to assess the value of gammopathy monitoring by serum protein electrophoresis (SPE) and to compare it with conventional follow-up methods. Patients systematically underwent SPE testing just before transplantation, at least twice during the first year after transplantation, and once a year thereafter. Patients with LPD underwent SPE testing every month. Immunofixation was done if abnormalities were detected by SPE. Gammopathy was observed in 114 patients, 18 of whom had onset of LPD. In 3 other patients, LPD developed, but no gammopathy was detected before onset of LPD or while LPD was present. Multivariate analyses showed gammopathy (relative risk [RR], 65.3), more than one transplantation (RR, 7.5), and viral cirrhosis (RR, 2.8) to be independent prognostic factors associated with occurrence of LPD. LPD was treated by reducing immunosuppression, with or without chemotherapy, administration of anti-CD20 monoclonal antibody, or surgery. The mortality rate was 24% (5 of 21 patients). Remission, which occurred in 13 patients, was associated with disappearance of gammopathy in 10 patients. In 5 patients, normalization of SPE results preceded the diagnosis of remission based on imaging, by a mean of 4 months. For diagnosis of LPD remission, the positive and negative predictive values of disappearance of gammopathy were 91% and 100%, respectively; and gammopathy monitoring was more sensitive than imaging (100% and 38%, respectively). Gammopathy monitoring is an inexpensive, noninvasive, sensitive way to detect LPD and assess the efficacy of treatment. It could be used routinely in follow-up of recipients of transplants.
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85
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Borie DC, Eyraud D, Boleslawski E, Lemoine A, Sebagh M, Cramer DV, Roussi J, Imbert-Bismut F, Germain G, Hannoun L. Functional metabolic characteristics of intact pig livers during prolonged extracorporeal perfusion: potential for a unique biological liver-assist device. Transplantation 2001; 72:393-405. [PMID: 11502966 DOI: 10.1097/00007890-200108150-00007] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
BACKGROUND The clinical development of liver-support devices based on perfusion of either pig hepatocytes cartridges or whole pig livers has been hampered by the ability to use sufficient liver cell mass to provide adequate metabolic support, limited perfusion times, and the potential for patient exposure to pig zoonotic diseases. METHODS We designed an original system in which an isolated intact pig liver was perfused extracorporeally under physiological conditions in a closed loop circuit with allogeneic pig blood and constant monitoring of major physiological and functional parameters. The perfusion circuit further included an interface membrane to provide for separation of patient and liver perfusion circulation. RESULTS Prolonged (6-21 hr) liver perfusion did not produce significant liver damage as reflected by modest rises in the levels of the serum transaminases, stability of main biochemical parameters (including potassium), and the maintenance of normal cellular morphology. Optimal liver function was documented as measured by lactate consumption, control of glycemia, and the results of clotting studies and functional assays. The perfused liver cleared 82% and 79% of peak bilirubin and ammonia concentrations with clearing kinetics identical throughout perfusion. Indocyanine green clearance was identical to that observed in the living donor before explant surgery. CONCLUSIONS In conclusion, the extracorporeal pig liver perfusion apparatus described here allows optimal pig liver function for prolonged periods of time. The microporous membrane to provide separation of donor organ and recipient and the high level of functional activity suggest that this form of liver metabolic support may have important clinical applications.
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86
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Soriano D, Lemoine A, Laplace C, Deval B, Dessolle L, Darai E, Poitout P. Results of recto-vaginal fistula repair: retrospective analysis of 48 cases. Eur J Obstet Gynecol Reprod Biol 2001; 96:75-9. [PMID: 11311765 DOI: 10.1016/s0301-2115(00)00411-5] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
OBJECTIVE To evaluate the long-term outcome of the Musset technique of recto-vaginal fistula (RVF) repair. STUDY DESIGN During the years 1992-1998, 48 women underwent recto-vaginal fistula repair. A retrospective study in a university tertiary referral center was conducted. RESULTS The main etiologies were obstetrical trauma (25), local infection (11), inflammatory disease (7), and post surgery (3). Thirty women (63%) had a previous fistula repair failure. The mean+/-S.D. fistula diameter was 1.4+/-1.0, and in 40% of the patients the fistula diameter was >2.5cm. In 19 cases (39.6%) there was a complete opening of the perineum and anal sphincter. Gas and stool incontinence before the operation were noted in 85 and 75% of the patients, respectively. Successful anatomic results were achieved in all patients. Five patients were re-operated due to gas and stool incontinence, and all but one had satisfactory anatomic and functional satisfactory results. The success rates in women with Crohn's disease and with a previous RVF repair failure were 100 and 98%, respectively. No major intra or postoperative complications were noted. CONCLUSION The Musset procedure provide excellent anatomic and functional results and women with Crohn's disease or previous RVF repair have comparable long-term results.
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87
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Birlouez I, Cals MJ, Covi G, Dauvergne A, Faure H, Fayol V, Galabert C, Guéant JL, Guilland JC, Herbeth B, Hercberg S, Jardel A, Jeandel C, Léger C, Moël GL, Lemoine A, Rousselot D, Thérond P, Vidailhet M. [4th Symposium of the Francophone Society of Vitamins and Biological Factors. Dijon, France, 3-4 December 1999]. Ann Biol Clin (Paris) 2001; 59:198-209. [PMID: 11282525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2023]
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88
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Emile JF, Lemoine A, Azoulay D, Debuire B, Bismuth H, Reynès M. Histological, genomic and clinical heterogeneity of clear cell hepatocellular carcinoma. Histopathology 2001; 38:225-31. [PMID: 11260303 DOI: 10.1046/j.1365-2559.2001.01096.x] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
AIMS The aim of the study was to determine whether clear cell type hepatocellular carcinoma should still be regarded as a separate uniform diagnostic entity. METHODS AND RESULTS We retrospectively studied 118 cirrhotic patients with hepatocellular carcinoma treated by orthotopic liver transplantation, and 31 noncirrhotic patients with hepatocellular carcinoma treated by either liver surgical resection or transplantation. The pathology of all liver resections was reviewed. Microsatellite instability was performed on paraffin-embedded samples at loci located on chromosomes 2p, 3p, 5q, 8q, 9p, 13q, 16q and 17p. Among the 118 cirrhotic patients, 10 (8.5%) had a clear cell hepatocellular carcinoma; these had clinical characteristics and prognosis similar to the other cirrhotic patients. No genetic alterations were detected in these tumours. Among the 31 noncirrhotic patients, one (3.2%) had a clear cell hepatocellular tumour. This 170-mm tumour had a lipid density on computed tomography, and its histology resembled chromophobe cell renal carcinoma. Furthermore, this tumour had unusual genomic alterations, with microsatellite instability in 6/8 chromosome loci. CONCLUSIONS Clear cell hepatocellular carcinoma is a heterogeneous entity in which a chromophobe cell subtype should be identified.
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89
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Azoulay D, Castaing D, Krissat J, Smail A, Hargreaves GM, Lemoine A, Emile JF, Bismuth H. Percutaneous portal vein embolization increases the feasibility and safety of major liver resection for hepatocellular carcinoma in injured liver. Ann Surg 2000; 232:665-72. [PMID: 11066138 PMCID: PMC1421241 DOI: 10.1097/00000658-200011000-00008] [Citation(s) in RCA: 272] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
OBJECTIVE To assess the influence of preoperative portal vein embolization (PVE) on the long-term outcome of liver resection for hepatocellular carcinoma (HCC) in injured liver. SUMMARY BACKGROUND DATA On an healthy liver, PVE of the liver to be resected induces hypertrophy of the remnant liver and increases the safety of hepatectomy. On injured liver, this effect is still debated. METHODS During the study period, 10 patients underwent preoperative PVE and 19 patients did not before resection of three or more liver segments for HCC in injured liver (cirrhosis or fibrosis). PVE was performed when the estimated rate of remnant functional liver parenchyma (ERRFLP) assessed by computed tomographic scan volumetry was less than 40%. RESULTS In all patients, PVE was feasible. There were no deaths or complications. The ERRFLP after PVE was significantly increased compared with the pre-PVE value. Liver resection was performed after PVE in 9 of 10 patients, with surgical death and complication rates of 0% and 45%, respectively. PVE increased the number of resections of three or more segments by 47% (9/19). Overall actuarial survival rates with or without previous PVE (89%, 67%, and 44% vs. 80%, 53%, and 53% at 1, 3 and 5 years, respectively) and disease-free actuarial survival rates (86%, 64%, and 21% vs. 55%, 17%, and 17% at 1, 3, and 5 years respectively) after hepatectomy were comparable. CONCLUSION With the use of PVE, more patients with previously unresectable HCC in injured liver can benefit from resection. Long-term survival rates are comparable to those after resection without PVE.
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90
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Saffroy R, Lemoine A, Brézillon P, Frénoy N, Delmas B, Goldschmidt E, Souleau B, Nedellec G, Debuire B. Real-time quantitation of bcr-abl transcripts in haematological malignancies. Eur J Haematol 2000; 65:258-66. [PMID: 11073166 DOI: 10.1034/j.1600-0609.2000.065004258.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
We have applied an automated real-time quantitative PCR assay using a double-labeled fluorogenic probe to detect t(9;22)-positive cells in haematological malignancies. The results are expressed as the ratio of chimeric bcr-abl transcripts on abl transcripts. Highly reproducible results were obtained for t(9;22)-positive K562 RNA. Ten copies of bcr-abl DNA from a recombinant KW-3 plasmid and one positive cell in 10(4) can be detected. Thirty-two patients with chronic myeloid leukaemia (CML), 25 with acute leukaemia, 12 with myelodysplastic syndromes and 7 with other myeloproliferative syndromes were tested. Follow-up data were obtained in bcr-abl positive cases. Results were compared with those of conventional nested RT-PCR and cytogenetics. Real-time quantitative RT-PCR values correlated well with both these methods. However, in some cases the only means of detecting early relapse or blastic transformation was to examine the kinetics of real-time quantitative RT-PCR. Thus, real-time quantitative RT-PCR appears suitable for the diagnosis and follow-up of patients with the t(9;22) translocation.
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MESH Headings
- Acute Disease
- Bone Marrow Cells
- Cytogenetic Analysis
- Female
- Follow-Up Studies
- Fusion Proteins, bcr-abl/genetics
- Gene Dosage
- Hematologic Neoplasms/diagnosis
- Hematologic Neoplasms/genetics
- Humans
- K562 Cells
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/diagnosis
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/genetics
- Leukemia, Myeloid/diagnosis
- Leukemia, Myeloid/genetics
- Leukocytes, Mononuclear
- Male
- Myelodysplastic Syndromes/diagnosis
- Myelodysplastic Syndromes/genetics
- Neoplasm, Residual/diagnosis
- Philadelphia Chromosome
- Polymerase Chain Reaction/methods
- Polymerase Chain Reaction/standards
- Precursor Cell Lymphoblastic Leukemia-Lymphoma/diagnosis
- Precursor Cell Lymphoblastic Leukemia-Lymphoma/genetics
- RNA, Messenger/blood
- Reference Standards
- Reproducibility of Results
- Reverse Transcriptase Polymerase Chain Reaction
- Sensitivity and Specificity
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91
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Azoulay D, Castaing D, Lemoine A, Hargreaves GM, Bismuth H. Transjugular intrahepatic portosystemic shunt (TIPS) for severe veno-occlusive disease of the liver following bone marrow transplantation. Bone Marrow Transplant 2000; 25:987-92. [PMID: 10800068 DOI: 10.1038/sj.bmt.1702386] [Citation(s) in RCA: 90] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Severe veno-occlusive disease (VOD) of the liver is a leading cause of mortality after bone marrow transplantation (BMT). Vascular and parenchymal injuries account for acute portal hypertension and liver failure is frequently present. We describe the results of transjugular intrahepatic portosystemic shunt (TIPS) for the management of VOD after BMT. TIPS was performed in 10 patients with histologically proven severe VOD. Portal hypertension was controlled by TIPS in all patients (mean hepatic venous pressure gradient before, 20 +/- 11 vs 6 +/- 5 mm Hg after TIPS, P < 0.01) without technical complications. Five patients with rapidly worsening VOD died within 10 days of TIPS without any improvement. The five remaining patients with less advanced disease showed improvement in various clinical and biological parameters. Four patients subsequently died. The lone survivor continues to do well with resolution of VOD 6 months after TIPS. TIPS can be performed safely and controls portal hypertension in VOD after BMT. Arguments from the present series and from eight previously reported cases favour earlier application of TIPS to obtain improved overall survival. Bone Marrow Transplantation (2000) 25, 987-992.
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92
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Azoulay D, Castaing D, Smail A, Adam R, Cailliez V, Laurent A, Lemoine A, Bismuth H. Resection of nonresectable liver metastases from colorectal cancer after percutaneous portal vein embolization. Ann Surg 2000; 231:480-6. [PMID: 10749607 PMCID: PMC1421022 DOI: 10.1097/00000658-200004000-00005] [Citation(s) in RCA: 363] [Impact Index Per Article: 15.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
OBJECTIVE To assess the influence of preoperative portal vein embolization (PVE) on the long-term outcome of liver resection for colorectal metastases. SUMMARY BACKGROUND DATA Preoperative PVE of the liver induces hypertrophy of the remnant liver and increases the safety of hepatectomy. METHODS Thirty patients underwent preoperative PVE and 88 patients did not before resection of four or more liver segments. PVE was performed when the estimated rate of remnant functional liver parenchyma (ERRFLP) assessed by CT scan volumetry was less than 40%. RESULTS PVE was feasible in all patients. There were no deaths. The complication rate was 3%. The post-PVE ERRFLP was significantly increased compared with the pre-PVE value. Liver resection was performed after PVE in 19 patients (63%), with surgical death and complication rates of 4% and 7% respectively. PVE increased the number of resections of more than four segments by 19% (17/88). Actuarial survival rates after hepatectomy with or without previous PVE were comparable: 81%, 67%, and 40% versus 88%, 61%, and 38% at 1, 3, and 5 years respectively. CONCLUSIONS PVE allows more patients with previously unresectable liver tumors to benefit from resection. Long-term survival is comparable to that after resection without PVE.
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93
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Daraï E, Gompel A, Deval B, Laplace C, Lemoine A, Labeyrie E, Neu AM, Poitout P. [Hormone replacement therapy after endometrial or ovarian cancer]. GYNECOLOGIE, OBSTETRIQUE & FERTILITE 2000; 28:198-204. [PMID: 10786400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
Use of hormonal replacement therapy after treatment of ovarian or endometrial cancer remains a matter of debate. Novel adjuvant therapies tend to increase the survival of these patients, who are exposed to risk factors of hormonal deficiency subsequent to primary therapy. Therefore, the aims of the present review of literature was to analyse epidemiologic and clinical parameters on behalf on hormonal replacement therapy in this population.
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94
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Darai E, Soriano D, Lemoine A, Laplace C, Deval B, Dessolle L, Poitout P. Long term results of rectovaginal fistula repair: Retrospective analysis of 48 cases. Int J Gynaecol Obstet 2000. [DOI: 10.1016/s0020-7292(00)81845-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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95
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Gerhardt MF, Guéchot J, Imbert-Bismut F, Jezequel-Cuer M, Lasnier E, Myara A, Vassault A, Vaubourdolle M, Voitot H, Calmus Y, Denninger MH, Lemoine A. [Biological examination in the diagnosis and monitoring of liver disease. Algorithms to aid the decision]. PATHOLOGIE-BIOLOGIE 1999; 47:1016-32. [PMID: 10609282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/14/2023]
Abstract
The goal of this article is to describe a rational step-wise strategy for using standard laboratory tests to obtain diagnostic orientation for a liver disorder; establish, support, or rule out a liver disorder; and monitor the course of treated and untreated patients with liver disorders.
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96
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Lemoine A, Azoulay D, Jezequel-Cuer M, Debuire B. [Hepatocellular carcinoma]. PATHOLOGIE-BIOLOGIE 1999; 47:903-10. [PMID: 10609270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/14/2023]
Abstract
Hepatocellular carcinoma is a rapidly fatal tumor that usually becomes symptomatic only at a stage beyond the reach of currently available treatments. The only hope for a cure lies in early diagnosis. It follows that an effective screening strategy should be used in high-risk populations, including patients with cirrhosis due to any cause, patients with chronic hepatitis B or C, and asymptomatic carriers of the B virus genome (and probably the C virus genome). Screening currently relies on physical examination and on two investigations, ultrasound scanning and the alpha-fetoprotein (AFP) assay, whose sensitivity and specificity vary with tumor size. The optimal interval between evaluations seems to be four to six months, although large prospective studies confirming this are not yet available. Because the AFP assay lacks sensitivity and specificity in patients with small tumors, other serum markers are being evaluated. In parallel, hepatitis B immunization and alpha interferon therapy of chronic hepatitis C are expected to decrease the incidence of hepatocellular carcinoma.
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97
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Saffroy R, Lelong JC, Azoulay D, Salvucci M, Reynes M, Bismuth H, Debuire B, Lemoine A. Clinical significance of circulating anti-p53 antibodies in European patients with hepatocellular carcinoma. Br J Cancer 1999; 79:604-10. [PMID: 10027337 PMCID: PMC2362420 DOI: 10.1038/sj.bjc.6690095] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
p53 alterations are considered to be predictive of poor prognosis in hepatocellular carcinoma (HCC) and may induce a humoral response. Anti-p53 serum antibodies were assessed by enzyme-linked immunosorbent assay (ELISA) using purified recombinant human p53 on 130 European HCC patients before treatment and during the clinical course of the disease. p53 immunohistochemistry was performed on tumours from the 52 patients who underwent surgery, and DNA sequencing analysis was initiated when circulating anti-p53 antibodies were detected. Nine (7%) HCC patients had anti-p53 serum antibodies before treatment. During a mean period of 30 months of follow-up, all the negative patients remained negative, even when recurrence was observed. Of the nine positive patients, eight were still positive 12-30 months after surgery. The presence of anti-p53 serum antibodies was correlated neither with mutation of the p53 gene nor the serum alpha-fetoprotein levels and clinicopathological characteristics of the tumours. However, a greater incidence of vascular invasion and accumulation of p53 protein were observed in the tumours of these patients (P<0.03 and P<0.01 respectively) as well as a better survival rate without recurrence (P = 0.05). In conclusion, as was recently shown in pancreatic cancer, anti-p53 serum antibodies may constitute a marker of relative 'good prognosis' in a subgroup of patients exhibiting one or several markers traditionally thought to be of bad prognosis.
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MESH Headings
- Adolescent
- Adult
- Aged
- Aged, 80 and over
- Antibodies, Neoplasm/analysis
- Biomarkers, Tumor/analysis
- Biomarkers, Tumor/genetics
- Carcinoma, Hepatocellular/immunology
- Carcinoma, Hepatocellular/pathology
- Carcinoma, Hepatocellular/surgery
- DNA Mutational Analysis
- DNA, Neoplasm/analysis
- DNA, Neoplasm/genetics
- Enzyme-Linked Immunosorbent Assay
- Europe
- Female
- Humans
- Liver Neoplasms/immunology
- Liver Neoplasms/pathology
- Liver Neoplasms/surgery
- Male
- Middle Aged
- Neoplasm Recurrence, Local
- Prognosis
- Prospective Studies
- Survival Analysis
- Tumor Suppressor Protein p53/analysis
- Tumor Suppressor Protein p53/immunology
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98
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Salvucci M, Lemoine A, Saffroy R, Azoulay D, Lepère B, Gaillard S, Bismuth H, Reynès M, Debuire B. Microsatellite instability in European hepatocellular carcinoma. Oncogene 1999; 18:181-7. [PMID: 9926933 DOI: 10.1038/sj.onc.1202279] [Citation(s) in RCA: 54] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Genetic instability has been detected in many types of cancers but poorly investigated in hepatocellular carcinoma (HCC). We have studied the incidence of microsatellite instability (MI) at eight highly polymorphic microsatellite markers and the poly A tract BAT26 and tested for mutations at two sites of repetitive sequence (poly-A nucleotides 709-718 and GT repeat-nucleotides 1931-1936) in the Transforming Growth Factor beta (TGFbeta) type II receptor (RII) gene, in a group of 46 European HCCs and the surrounding nontumour tissue. This analysis showed that 63% of HCCs exhibit MI in at least one chromosome locus and 41% in two or more loci. No mutations of the TGFbetaRII gene were found in the MI positive tumours. No correlation was found with clinicopathological characteristics of the tumours such as cirrhosis, etiology, number of nodules, Edmondson's grade and vascular invasion. However, in patients who had a rearranged D16S402 microsatellite in their tumour, the recurrent disease and the number of nodules were significantly higher than in the others (P<0.005 and P<0.02, respectively). We propose to consider D16S402 rearrangement in HCC as a prognostic factor to identify patients presenting a higher risk of recurrence.
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99
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Pham HP, Féray C, Samuel D, Gigou M, Azoulay D, Paradis V, Ducret F, Charpentier B, Debuire B, Lemoine A. Effects of ribavirin on hepatitis C-associated nephrotic syndrome in four liver transplant recipients. Kidney Int 1998; 54:1311-9. [PMID: 9767549 DOI: 10.1046/j.1523-1755.1998.00113.x] [Citation(s) in RCA: 45] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
BACKGROUND Hepatitis C virus infection (HCV) is associated with a variety of extrahepatic disorders such as membranoproliferative glomerulonephritis (MPGN), which is generally due to cryoglobulinemia. After liver transplantation for HCV cirrhosis, alpha-interferon treatment against the recurrence of HCV in the liver graft is poorly effective and may induce intractable graft rejection. METHODS We describe the cases of four liver transplant recipients treated with ribavirin for HCV-related glomerulopathy and nephrotic syndrome. RESULTS The nephrotic syndrome was attenuated or disappeared during ribavirin therapy, and patients showed a marked decrease in proteinuria and an increase in albuminemia. The syndrome relapsed in two patients when ribavirin therapy was stopped, and a favorable response was again obtained in both cases when the treatment was resumed. The main adverse effect of ribavirin was anemia in two patients with renal impairment. No graft rejection occurred. CONCLUSIONS These findings suggest that continuous therapy with low doses of oral ribavirin may improve the proteinuria of hepatitis C-related glomerulonephritis, at least in liver transplant recipients.
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100
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Azoulay D, Castaing D, Lemoine A, Samuel D, Majno P, Reynes M, Charpentier B, Bismuth H. Successful treatment of severe azathioprine-induced hepatic veno-occlusive disease in a kidney-transplanted patient with transjugular intrahepatic portosystemic shunt. Clin Nephrol 1998; 50:118-22. [PMID: 9725784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Azathioprine-induced veno-occlusive disease of the liver mainly described after kidney transplantation is as rare as severe with a high mortality due to acute portal hypertension and liver failure. A kidney-transplanted patient with severe azathioprine-induced veno-occlusive disease of the liver and worsening despite drug discontinuation was treated by emergency transjugular intrahepatic portosystemic shunt. Whereas the veno-occlusive disease was controlled, the patient developed severe intractable portosystemic encephalopathy successfully treated by a stent reducer maintaining a certain degree of portal diversion. Twelve months after transjugular intrahepatic portosystemic shunt, liver function was normalized and the stent was thrombosed with a subnormal liver histology. Thirty-six months after transjugular intrahepatic portosystemic shunt the patient is alive with normal liver function tests and kidney graft function. Transjugular intrahepatic portosystemic shunt for treatment of severe veno-occlusive disease of the liver is an alternative to tide the patient over until recovery of liver function.
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