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1.
Esophagus ; 19(1): 113-119, 2022 01.
Artículo en Inglés | MEDLINE | ID: mdl-34273018

RESUMEN

BACKGROUND: Various functions in elderly patients with esophageal cancer deteriorate easily and their quality of life can be adversely affected by treatment. The age groups covered in previous studies are wide, and the impact on the elderly individuals is unknown. This study examined changes in quality of life scores after preoperative chemotherapy to clarify aspects of physical, psychological, and social quality of life in elderly patients with esophageal cancer. METHODS: Thirty-six patients aged over 65 years, who were scheduled to undergo preoperative chemotherapy for esophageal cancer surgery, were enrolled. The survey questionnaire comprised the EORTC QLQ-C30 Japanese Language Version, EORTC QLQ-OES 18 Japanese Language Version, and G8. The surveys were conducted before chemotherapy (pre-CT) and after chemotherapy (post-CT). RESULTS: In the functional scale of QLQ-C 30, physical functioning decreased significantly, while emotional functioning increased significantly post-CT (p = 0.021, p = 0.030, respectively). Global health status was not changed. In QLQ-OES18, the mean symptom scale score decreased significantly for dysphagia, trouble swallowing saliva, choking, eating, reflux, and pain post-CT (p = 0.014, p = 0.034, p = 0.033, p = 0.022, p = 0.026, p = 0.016, respectively). The mean G8 score decreased significantly from 11.7 to 10.7 (p = 0.022) post-CT, but the proportion of patients with dysfunction decreased. CONCLUSIONS: Quality of life scores of elderly patients with esophageal cancer who received preoperative chemotherapy decreased in terms of physical function but improved in terms of esophageal cancer symptoms and mental function. Our results suggest that alleviation of symptoms contributed to the improvements in mental health.


Asunto(s)
Neoplasias Esofágicas , Calidad de Vida , Anciano , Neoplasias Esofágicas/tratamiento farmacológico , Neoplasias Esofágicas/psicología , Neoplasias Esofágicas/cirugía , Humanos , Encuestas y Cuestionarios
2.
Am J Transplant ; 16(4): 1248-57, 2016 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-26731039

RESUMEN

The factors that influence long-term outcomes after living-donor liver transplantation (LDLT) for primary biliary cirrhosis (PBC) are not well known. Compared with deceased-donor transplantation, LDLT has an increased likelihood of a related donor and a decreased number of human leukocyte antigen (HLA) mismatches. To clarify the effects of donor relatedness and HLA mismatch on the outcomes after LDLT, we retrospectively analyzed 444 Japanese patients. Donors were blood relatives for 332 patients, spouses for 105, and "other" for 7. The number of HLA A-B-DR mismatches was none to two in 141, three in 123, and four to six in 106 patients. The 15-year survival rate was 52.6%, and PBC recurred in 65 patients. Recipient aged 61 years or older, HLA mismatches of four or more (maximum of six), graft:recipient weight ratio less than 0.8, and husband donor were adverse indicators of patient survival. IgM 554 mg/dL or greater, donor-recipient sex mismatch, and initial immunosuppression with cyclosporine were significant risks for PBC recurrence, which did not affect patient survival. In subgroup analysis, conversion to cyclosporine from tacrolimus within 1 year diminished recurrence. Prospective studies are needed to determine the influence of pregnancy-associated sensitization and to establish an optimal immunosuppressive regimen in LDLT patients.


Asunto(s)
Rechazo de Injerto/prevención & control , Antígenos HLA/inmunología , Inmunosupresores/uso terapéutico , Cirrosis Hepática Biliar/cirugía , Trasplante de Hígado , Donadores Vivos , Adolescente , Adulto , Anciano , Femenino , Estudios de Seguimiento , Rechazo de Injerto/etiología , Supervivencia de Injerto , Prueba de Histocompatibilidad , Humanos , Japón , Masculino , Persona de Mediana Edad , Complicaciones Posoperatorias , Pronóstico , Estudios Retrospectivos , Factores de Riesgo , Tasa de Supervivencia , Factores de Tiempo , Adulto Joven
3.
Am J Transplant ; 16(3): 860-8, 2016 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-26555560

RESUMEN

This nationwide survey investigated the actual practices for supporting and confirming the decision-making involved in related living-organ donations in Japan, focusing on organ type and program size differences. Answers to a questionnaire survey were collected from 89 of the 126 (71%) kidney and 30 of the 35 (86%) liver transplantation programs in Japan that were involved in living-donor transplantations in 2013. In 70% of the kidney and 90% of the liver transplantation programs, all donors underwent "third-party" interviews to confirm their voluntariness. The most common third parties were psychiatrists (90% and 83%, respectively). Many programs engaged in practices to support decision-making by donor candidates, including guaranteeing the right to withdraw consent to donate (70% and 100%, respectively) and prescribing a set "cooling-off period" (88% and 100%, respectively). Most donors were offered care by mental health specialists (86% and 93%, respectively). Third parties were designated by more of the larger kidney transplant programs compared with the smaller programs. In conclusion, the actual practices supporting and confirming the decision to donate a living organ varied depending on the organ concerned and the number of patients in the program.


Asunto(s)
Toma de Decisiones , Familia/psicología , Trasplante de Riñón/psicología , Trasplante de Hígado/psicología , Donadores Vivos/psicología , Obtención de Tejidos y Órganos/métodos , Obtención de Tejidos y Órganos/estadística & datos numéricos , Adolescente , Adulto , Actitud Frente a la Salud , Femenino , Estudios de Seguimiento , Humanos , Japón , Masculino , Motivación , Pronóstico , Encuestas y Cuestionarios , Adulto Joven
4.
Am J Transplant ; 14(1): 102-14, 2014 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-24279828

RESUMEN

We evaluated the effects of rituximab prophylaxis on outcomes of ABO-blood-type-incompatible living donor liver transplantation (ABO-I LDLT) in 381 adult patients in the Japanese registry of ABO-I LDLT. Patients underwent dual or triple immunosuppression with or without B cell desensitization therapies such as plasmapheresis, splenectomy, local infusion, intravenous immunoglobulin and rituximab. Era before 2005, intensive care unit-bound status, high Model for End-Stage Liver Disease score and absence of rituximab prophylaxis were significant risk factors for overall survival and antibody-mediated rejection (AMR) in the univariate analysis. After adjustment for era effects in the multivariate analysis, only absence of rituximab prophylaxis was a significant risk factor for AMR, and there were no significant risk factors for survival. Rituximab prophylaxis significantly decreased the incidence of AMR, especially hepatic necrosis (p < 0.001). In the rituximab group, other B cell desensitization therapies had no add-on effects. Multiple or large rituximab doses significantly increased the incidence of infection, and early administration had no advantage. In conclusion, outcomes in adult ABO-I LDLT have significantly improved in the latest era coincident with the introduction of rituximab.


Asunto(s)
Sistema del Grupo Sanguíneo ABO/inmunología , Anticuerpos Monoclonales de Origen Murino/uso terapéutico , Incompatibilidad de Grupos Sanguíneos/tratamiento farmacológico , Desensibilización Inmunológica/métodos , Rechazo de Injerto/prevención & control , Trasplante de Hígado/métodos , Adolescente , Adulto , Anciano , Anticuerpos Monoclonales de Origen Murino/administración & dosificación , Infecciones Bacterianas/epidemiología , Femenino , Humanos , Inmunoglobulinas Intravenosas/uso terapéutico , Terapia de Inmunosupresión , Japón/epidemiología , Trasplante de Hígado/efectos adversos , Donadores Vivos , Masculino , Persona de Mediana Edad , Micosis/epidemiología , Rituximab , Análisis de Supervivencia , Resultado del Tratamiento
5.
Am J Transplant ; 13(7): 1830-9, 2013 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-23711238

RESUMEN

The Japanese Liver Transplantation Society (JLTS) was established in 1980 in order to characterize and follow trends in patient characteristics and graft survival among all liver transplant patients in Japan. This study analyzed the comprehensive factors that may influence the outcomes of pediatric patients who undergo living donor liver transplantation (LDLT) by evaluating the largest cohort in the world. Between November 1989 and December 2010, 2224 pediatric patients underwent LDLT in Japan. There were 998 male (44.9%) and 1226 female donors (55.1%) without donor mortalities related to transplant surgery. There were 946 male (42.5%) and 1278 female (57.5%) recipients with a median age of 4.0 years (range: 13 days to 17.9 years). Cholestatic liver disease was the leading indication for LDLT (n = 1649; 76.2%), followed by metabolic disorders (n = 194; 8.7%), acute liver failure (n = 192; 8.6%) and neoplastic liver disease (n = 66; 3.0%). The 1-, 5-, 10- and 20-year patient survival rates were 88.3%, 85.4%, 82.8% and 79.6%, respectively. Blood-type incompatibility, recipient age, etiology of liver disease and transplant era were found to be significant predictors of overall survival. We are able to achieve satisfactory long-term pediatric patient survival outcomes in the JLTS series without compromising the living donors.


Asunto(s)
Supervivencia de Injerto , Trasplante de Hígado/estadística & datos numéricos , Donadores Vivos/estadística & datos numéricos , Sistema de Registros , Adolescente , Adulto , Anciano , Niño , Preescolar , Femenino , Estudios de Seguimiento , Humanos , Lactante , Recién Nacido , Japón/epidemiología , Trasplante de Hígado/mortalidad , Masculino , Persona de Mediana Edad , Estudios Retrospectivos , Tasa de Supervivencia/tendencias , Factores de Tiempo , Resultado del Tratamiento , Adulto Joven
6.
Br J Cancer ; 103(10): 1617-26, 2010 Nov 09.
Artículo en Inglés | MEDLINE | ID: mdl-20978511

RESUMEN

BACKGROUND: We reported recently the clinical efficiency of interferon (IFN)-α/5-fluorouracil (5-FU) combination therapy in advanced hepatocellular carcinoma (HCC). However, prediction of the response to the combination therapy remains unsatisfactory. The aim of this study was to investigate the anti-tumour effects of microRNA (miR)-21 on the sensitivity of HCC cells to IFN-α/5-FU and whether miR-21 can be used as a predictor of the response to such therapy in HCC. METHODS: Changes in the sensitivity of HCC cells (PLC/PRF/5 and HepG2) to IFN-α/5-FU were examined after transfection with pre-miR-21 or anti-miR-21. The correlation between miR-21 expression level, evaluated by qRT-PCR, and response to the therapy was also investigated in clinical HCC specimens. RESULTS: Hepatocellular carcinoma cells transfected with pre-miR-21 were significantly resistant to IFN-α/5-FU. Annexin V assay showed that the percentage of apoptotic cells was significantly lower in cells transfected with pre-miR-21 than control cells. Transfection of anti-miR-21 rendered HCC cells sensitive to IFN-α/5-FU, and such sensitivity was weakened by transfection of siRNAs of target molecules, PETN and PDCD4. miR-21 expression in clinical HCC specimens was significantly associated with the clinical response to the IFN-α/5-FU combination therapy and survival rate. CONCLUSIONS: The miR-21 in HCC cell lines and clinical HCC samples is a significant modulator of the anti-tumour effect of IFN-α and 5-FU. This suggests that miR-21 is a potentially suitable marker for the prediction of the clinical response to the IFN-α/5-FU combination therapy.


Asunto(s)
Carcinoma Hepatocelular/tratamiento farmacológico , Neoplasias Hepáticas/tratamiento farmacológico , MicroARNs/genética , Antineoplásicos/antagonistas & inhibidores , Antineoplásicos/uso terapéutico , Carcinoma Hepatocelular/genética , Carcinoma Hepatocelular/mortalidad , Carcinoma Hepatocelular/patología , División Celular/efectos de los fármacos , Cartilla de ADN , Evaluación Preclínica de Medicamentos , Resistencia a Medicamentos , Resistencia a Antineoplásicos , Fluorouracilo/antagonistas & inhibidores , Fluorouracilo/uso terapéutico , Humanos , Inmunohistoquímica , Interferón-alfa/antagonistas & inhibidores , Interferón-alfa/uso terapéutico , Neoplasias Hepáticas/genética , Neoplasias Hepáticas/mortalidad , Neoplasias Hepáticas/patología , MicroARNs/farmacología , ARN Mensajero/genética , ARN Neoplásico/genética , Reacción en Cadena de la Polimerasa de Transcriptasa Inversa , Tasa de Supervivencia , Transfección
7.
J Hosp Infect ; 75(3): 183-7, 2010 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-20434799

RESUMEN

A large scale survey was conducted to examine risk factors for surgical site infections (SSIs) among Japanese patients undergoing gastrointestinal surgery. The purposes of the study were: (i) to investigate age as a risk factor for SSIs in gastrointestinal surgery; and (ii) to examine the differences in risk factors for SSIs between laparoscopic cholecystectomy and open cholecystectomy. Surveillance data were prospectively collected from 20 participating hospitals in Japan between July 2003 and November 2007. SSIs were identified by use of the Centers for Disease Control and Prevention criteria. SSIs were identified in 1471 of 12 015 available cases, with an overall incidence of 12.2%. In the final logistic regression model, age was a risk factor in open cholecystectomy, gastrectomy and appendicectomy. Length of operation was a risk factor for SSIs for six surgical procedures, and wound class and drain use were also risk factors in most procedures. When comparing laparoscopic surgery against open procedure, use of silk sutures was a risk factor for SSIs in laparoscopic cholecystectomy. Drain use, wound class, operation duration, male gender and age were additional risk factors for SSIs in open cholecystectomy. In summary, patient age is a significant predictor for SSIs in some gastrointestinal procedures, although risk factors for SSIs in laparoscopic procedures appear quite different from those in open procedures.


Asunto(s)
Enfermedades Gastrointestinales/cirugía , Infección de la Herida Quirúrgica/epidemiología , Adulto , Factores de Edad , Anciano , Femenino , Hospitales , Humanos , Incidencia , Japón/epidemiología , Masculino , Persona de Mediana Edad , Estudios Prospectivos , Factores de Riesgo , Procedimientos Quirúrgicos Operativos , Infección de la Herida Quirúrgica/etiología
8.
Br J Cancer ; 102(10): 1483-90, 2010 May 11.
Artículo en Inglés | MEDLINE | ID: mdl-20407444

RESUMEN

BACKGROUND: A striking efficiency of interferon (IFN)-based anticancer therapy for advanced hepatocellular carcinoma (HCC) has been reported. Because its clinical efficiency greatly depends on each patient's local response, prediction of local response is crucial. METHODS: Continuous exposure of IFN-alpha to parental PLC/PRF/5 cells (PLC-P) and a limiting dilution method resulted in the establishment of IFN-resistant cell clones (PLC-Rs). Microarray analyses of PLC-P and PLC-Rs identified insulin-like growth factor-binding protein 7 (IGFBP7) as one of the most significantly downregulated genes in PLC-Rs. Changes in anticancer effects of IFN-alpha were examined in HCC cells after genetic manipulation of IGFBP7 expression. The correlation between immunohistochemically determined IGFBP7 expression and the response to IFN-alpha/5-fluorouracil (5-FU) therapy was investigated in surgically resected HCC specimens. RESULTS: PLC-R cells showed a remarkable downregulation of IGFBP7 and resistance to IFN-alpha, compared with PLC-P. Parental PLC/PRF/5 cells transfected with short hairpin RNA against IGFBP7 showed a significant resistance to IFN-alpha relative to control cells (IC(50) fold increase=14.38 times). Insulin-like growth factor-binding protein 7 transfection into PLC-R restored sensitivity to IFN-alpha. In resected specimens, IGFBP7 expression significantly correlated with the response to IFN-alpha/5-FU therapy. CONCLUSION: IGFBP7 could be a useful predictor of the response to IFN-based therapy in advanced HCC.


Asunto(s)
Antineoplásicos/farmacología , Carcinoma Hepatocelular/genética , Resistencia a Antineoplásicos/genética , Proteínas de Unión a Factor de Crecimiento Similar a la Insulina/genética , Interferón-alfa/farmacología , Neoplasias Renales/genética , Biomarcadores de Tumor/análisis , Western Blotting , Carcinoma Hepatocelular/tratamiento farmacológico , Carcinoma Hepatocelular/mortalidad , Línea Celular Tumoral , Fluorouracilo/uso terapéutico , Expresión Génica , Perfilación de la Expresión Génica , Humanos , Inmunohistoquímica , Inmunoprecipitación , Proteínas de Unión a Factor de Crecimiento Similar a la Insulina/metabolismo , Estimación de Kaplan-Meier , Neoplasias Renales/tratamiento farmacológico , Neoplasias Renales/mortalidad , Análisis de Secuencia por Matrices de Oligonucleótidos , Pronóstico , Reacción en Cadena de la Polimerasa de Transcriptasa Inversa
9.
Br J Cancer ; 100(10): 1647-58, 2009 May 19.
Artículo en Inglés | MEDLINE | ID: mdl-19401692

RESUMEN

Type I IFN receptor type 2 (IFNAR2) expression correlates significantly with clinical response to interferon (IFN)-alpha/5-fluorouracil (5-FU) combination therapy for hepatocellular carcinoma (HCC). However, some IFNAR2-positive patients show no response to the therapy. This result suggests the possibility of other factors, which would be responsible for resistance to IFN-alpha/5-FU therapy. The aim of this study was to examine the mechanism of anti-proliferative effects of IFN-alpha/5-FU therapy and search for a biological marker of chemoresistance to such therapy. Gene expression profiling and molecular network analysis were used in the analysis of non-responders and responders with IFNAR2-positive HCC. The Wnt/beta-catenin signalling pathway contributed to resistance to IFN-alpha/5-FU therapy. Immunohistochemical analysis showed positive epithelial cell adhesion molecule (Ep-CAM) expression, the target molecule of Wnt/beta-catenin signalling, only in non-responders. In vitro studies showed that activation of Wnt/beta-catenin signalling by glycogen synthesis kinase-3 inhibitor (6-bromoindirubin-3'-oxime (BIO)) induced chemoresistance to IFN-alpha/5-FU. BrdU-based cell proliferation ELISA and cell cycle analysis showed that concurrent addition of BIO and IFN-alpha/5-FU significantly to hepatoma cell cultures reduced the inhibitory effects of the latter two on DNA synthesis and accumulation of cells in the S-phase. The results indicate that activation of Wnt/beta-catenin signalling pathway induces chemoresistance to IFN-alpha/5-FU therapy and suggest that Ep-CAM is a potentially useful marker for resistance to such therapy, especially in IFNAR2-positive cases.


Asunto(s)
Protocolos de Quimioterapia Combinada Antineoplásica/uso terapéutico , Carcinoma Hepatocelular/tratamiento farmacológico , Resistencia a Antineoplásicos/genética , Neoplasias Hepáticas/tratamiento farmacológico , Proteínas Wnt/fisiología , beta Catenina/fisiología , Adulto , Anciano , Anciano de 80 o más Años , Antígenos de Neoplasias/genética , Antígenos de Neoplasias/fisiología , Carcinoma Hepatocelular/genética , Moléculas de Adhesión Celular/genética , Moléculas de Adhesión Celular/fisiología , Línea Celular Tumoral , Molécula de Adhesión Celular Epitelial , Femenino , Fluorouracilo/administración & dosificación , Perfilación de la Expresión Génica , Regulación Neoplásica de la Expresión Génica/efectos de los fármacos , Humanos , Interferón-alfa/administración & dosificación , Neoplasias Hepáticas/genética , Masculino , Persona de Mediana Edad , Mutación/fisiología , Análisis de Secuencia por Matrices de Oligonucleótidos , Receptor de Interferón alfa y beta/genética , Transducción de Señal/genética , Transducción de Señal/fisiología , Proteínas Wnt/genética , beta Catenina/genética
10.
Transplant Proc ; 38(10): 3640-2, 2006 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-17175354

RESUMEN

The aim of this study was to assess the value of alphafeto protein (AFP) mRNA-expressing cells detected in peripheral blood for predicting tumor recurrence after living donor liver transplantation (LDLT) in patients with hepatocellular carcinoma (HCC). The test group consisted of 25 patients who underwent LDLT for end-stage liver disease with HCC while the control group consisted of 37 living donors. Quantitative real-time reverse-transcriptase polymerase chain reaction was used for detection of AFP mRNA-expressing cells in peripheral blood. Nine (36%) of 25 patients developed tumor recurrences (four lung; one liver; one peritoneum; two bone; one adrenal gland) during the follow-up period. Perioperatively, AFP mRNA was positive in peripheral blood of eight patients (32.0%) but only in 1 (2.7%) of the control. Preoperative AFP mRNA was positive in three cases. Univariate analyses revealed that preoperative and perioperative AFP mRNA and microscopical vascular invasion were the significant predictors for HCC recurrence (P = .007, .037, and .005, respectively). In the patients with HCC exceeding Milan criteria (n = 15), the presence of AFP mRNA-positive cells in the peripheral blood correlated significantly with HCC recurrence (P = .033). We concluded that the presence of AFP mRNA-expressing cells could be a useful predictor of HCC recurrence in liver transplant patients.


Asunto(s)
Carcinoma Hepatocelular/cirugía , Neoplasias Hepáticas/cirugía , Trasplante de Hígado/fisiología , ARN Mensajero/sangre , ARN Mensajero/genética , alfa-Fetoproteínas/genética , Adulto , Carcinoma Hepatocelular/genética , Supervivencia sin Enfermedad , Humanos , Neoplasias Hepáticas/genética , Periodo Posoperatorio , Valor Predictivo de las Pruebas , Recurrencia , Estudios Retrospectivos
11.
Transplant Proc ; 38(5): 1407-10, 2006 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-16797318

RESUMEN

The aim of this study was to investigate the risk factors for graft dysfunction after adult-to-adult living donor liver transplantation (LDLT). Thirty-nine adults with chronic cirrhosis underwent LDLT between 1999 and 2004. Their postoperative courses were uneventful with no vascular or bile duct complications early after LDLT, except one mild hepatic artery stenosis. The preoperative MELD scores were significantly higher in the failed graft group (n=5) than the functioning graft group (n=34; P=.004), while the graft liver weight/standard liver volume ratio was similar between these groups. We concluded that a high preoperative MELD score was associated with postoperative graft failure and that graft size had little impact on graft outcome. Although large grafts would seem intuitively more suitable for sick recipients, we did not show a benefit among this cohort; the MELD score was the best predictor, a finding that is also most consistent with donor safety.


Asunto(s)
Cirrosis Hepática/cirugía , Trasplante de Hígado/efectos adversos , Donadores Vivos , Adulto , Humanos , Trasplante de Hígado/mortalidad , Persona de Mediana Edad , Complicaciones Posoperatorias/epidemiología , Complicaciones Posoperatorias/prevención & control , Estudios Retrospectivos , Factores de Riesgo , Análisis de Supervivencia , Insuficiencia del Tratamiento , Resultado del Tratamiento
12.
Br J Cancer ; 93(5): 557-64, 2005 Sep 05.
Artículo en Inglés | MEDLINE | ID: mdl-16106266

RESUMEN

We previously reported the beneficial effects of combination therapy of interferon (IFN)-alpha/5-fluorouracil (FU) for advanced hepatocellular carcinoma (HCC) with tumour thrombi in the major portal branches. This report describes the results of longer follow-up and includes more than double the number of patients relative to the original report, and evaluates the role of IFN-alpha/type 2 interferon receptor (IFNAR2) expression on the response to the combination therapy. The study subjects were 55 patients with advanced HCC and tumour thrombi in the major branches of the portal vein (Vp3 or 4). They were treated with at least two courses of IFN-alpha/5-FU without major complication. In the 55 patients, 24 (43.6%) showed objective response (eight (14.5%) showed complete response, 16 (29.1%) partial response), four (7.3%) showed no response, and 27 (49.1%) showed progressive disease. Immunohistochemically, IFNAR2 expression was detected in nine out of 13 (69.2%) patients. There was significant difference in the time-to-progression survival (P = 0.0002) and the overall survival (P < 0.0001) between IFNAR2-positive and -negative cases. There was a significant correlation between IFNAR2 expression and response to IFN-alpha/5-FU combination therapy in univariate analysis (P = 0.0070). IFN-alpha/5-FU combination therapy is a promising modality for advanced HCC with tumour thrombi in the major portal branches and could significantly depend on IFNAR2 expression.


Asunto(s)
Protocolos de Quimioterapia Combinada Antineoplásica/administración & dosificación , Carcinoma Hepatocelular/tratamiento farmacológico , Neoplasias Hepáticas/tratamiento farmacológico , Proteínas de la Membrana/metabolismo , Receptores de Interferón/metabolismo , Trombosis de la Vena/tratamiento farmacológico , Adulto , Anciano , Carcinoma Hepatocelular/patología , Carcinoma Hepatocelular/virología , Progresión de la Enfermedad , Femenino , Fluorouracilo/administración & dosificación , Hepacivirus/aislamiento & purificación , Hepatitis C/tratamiento farmacológico , Hepatitis C/patología , Hepatitis C/virología , Humanos , Inyecciones Subcutáneas , Interferón-alfa/administración & dosificación , Neoplasias Hepáticas/patología , Neoplasias Hepáticas/virología , Masculino , Persona de Mediana Edad , Vena Porta/metabolismo , Vena Porta/patología , Pronóstico , Receptor de Interferón alfa y beta , Inducción de Remisión , Tasa de Supervivencia , Factores de Tiempo , Resultado del Tratamiento , Trombosis de la Vena/complicaciones
13.
J Exp Clin Cancer Res ; 23(1): 135-41, 2004 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-15149162

RESUMEN

Many trials using DNA microarrays have been reported for various human malignancies, but an efficient molecular diagnostic system has yet to be established. Here, we adopted a high throughput quantitative PCR-array system based on adaptor-tagged competitive PCR (ATAC-PCR), as a novel technique for gene expression profiling of hepatocellular carcinoma (HCC). This PCR-array contained 3,072 genes derived from three different cDNA libraries, including 298 additional known genes suspected to be involved in hepatocarcinogenesis. Using this PCR-array with 20 pairs of liver tissues (20 HCC, 20 surrounding nontumor liver), we identified a total of 117 genes differing in expression levels in the two liver tissues. Hierarchical clustering analysis and principal component analysis with these genes revealed distinct gene expression patterns in the HBV-positive group and the HCV-positive groups. Among 117 genes, only 7 (GPAA1, TMEM9, FACL4, ADFP, MAWBP, PACE4, FOS) were common to both groups. In conclusion, this PCR-array analysis with an appropriate set of genes is considered useful for gene expression profiling of HCC, and we identified some genes which may play a common key role in hepatocarcinogenesis.


Asunto(s)
Carcinoma Hepatocelular/genética , Perfilación de la Expresión Génica/métodos , Regulación Neoplásica de la Expresión Génica , Neoplasias Hepáticas/genética , Análisis de Secuencia por Matrices de Oligonucleótidos/métodos , Anciano , Carcinoma Hepatocelular/metabolismo , Análisis por Conglomerados , ADN Complementario/metabolismo , Femenino , Humanos , Hígado/metabolismo , Neoplasias Hepáticas/metabolismo , Masculino , Persona de Mediana Edad , Reacción en Cadena de la Polimerasa , Análisis de Componente Principal
14.
J Exp Clin Cancer Res ; 21(4): 569-76, 2002 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-12636104

RESUMEN

Cyclooxygenase (COX) is a key rate-limiting enzyme in prostaglandin biosynthesis. There are two isoforms of COX, referred to as COX-1 and COX-2. COX-2, an inducible form of COX, is found to be overexpressed in various neoplasms and is believed to play an important role in tumorigenesis and tumor development. In this study, we investigated expression of the COX-2 protein in human endocrine tumors of the pancreas (N=23; 6 insulinomas, one glucagnoma, 2 gastrinomas, and 14 non-functioning tumors) using immunohistochemistry. Strong COX-2 expression was confirmed in normal islet tissue as previously reported. COX-2 immunoreactivity was detected in 65% (15 out of 23) of these tumors with a moderate to strong intensity. In all nine functioning tumors, COX-2 expressions were preserved with the weak or strong intensity. In contrast, COX-2 was present in 6 out of 14 nonfunctioning tumors. The correlation between COX-2 expression and their function was significant (p<0.05). We found that expression of this enzyme was detected in 11 out of 15 benign tumors and in 4 out of 8 malignant tumors, respectively. Our results suggest that COX-2 may play an important role in the endocrine function of islet tumors. Additionally, malignancy was not related to COX-2 expression.


Asunto(s)
Neoplasias de las Glándulas Endocrinas/enzimología , Isoenzimas/metabolismo , Neoplasias Pancreáticas/enzimología , Prostaglandina-Endoperóxido Sintasas/metabolismo , Adulto , Anciano , Ciclooxigenasa 2 , Neoplasias de las Glándulas Endocrinas/patología , Neoplasias de las Glándulas Endocrinas/cirugía , Femenino , Humanos , Inmunohistoquímica , Masculino , Proteínas de la Membrana , Persona de Mediana Edad , Invasividad Neoplásica , Metástasis de la Neoplasia , Neoplasias Pancreáticas/patología , Neoplasias Pancreáticas/cirugía
15.
Gan To Kagaku Ryoho ; 28(11): 1628-31, 2001 Oct.
Artículo en Japonés | MEDLINE | ID: mdl-11707996

RESUMEN

A 66-year-old male who underwent radical resection for esophageal cancer (stage IV) was diagnosed with multiple hepatic metastasis 1 year and 3 months after the surgery. He underwent hepatic resection and received systemic chemotherapy (FAP: 5-FU, ADR, CDDP), as the post-operative adjuvant therapy. One year and 3 months later, there was a huge recurrence in the residual liver and hepatic arterial infusion chemotherapy (FAP) was performed. The recurrent lesion disappeared completely after 3 sessions of arterial infusion chemotherapy. The arterial infusion chemotherapy was continued in the outpatient clinic and the recurrent lesion is well controlled. At present, this patient has returned to social life, 2 years and 3 months after the hepatic resection. The utility of hepatic arterial infusion chemotherapy and hepatectomy for postoperative multiple hepatic metastasis from esophageal cancer was shown in the present case.


Asunto(s)
Protocolos de Quimioterapia Combinada Antineoplásica/uso terapéutico , Carcinoma de Células Escamosas/secundario , Carcinoma de Células Escamosas/terapia , Neoplasias Esofágicas/patología , Hepatectomía , Neoplasias Hepáticas/secundario , Neoplasias Hepáticas/terapia , Anciano , Protocolos de Quimioterapia Combinada Antineoplásica/administración & dosificación , Cisplatino/administración & dosificación , Terapia Combinada , Doxorrubicina/administración & dosificación , Esquema de Medicación , Neoplasias Esofágicas/cirugía , Fluorouracilo/administración & dosificación , Arteria Hepática , Humanos , Infusiones Intraarteriales , Metástasis Linfática , Masculino
16.
Gan To Kagaku Ryoho ; 28(11): 1718-23, 2001 Oct.
Artículo en Japonés | MEDLINE | ID: mdl-11708017

RESUMEN

We report a patient with hepatocellular carcinoma (HCC) with portal vein thrombosis in the 1st branch who was treated by transcatheter arterial embolization (TAE) and survived more than 3 years. A 58-year old male was diagnosed as having unresectable massive type HCC in the area of S8 with portal vein thrombosis from the P8 branch to the right portal branch. He was treated by TAE via the anterior branch of right hepatic artery. One week later, localized hepatic infarction in the anterior segment was recognized. Five months later, the portal vein thrombosis had disappeared and become necrotic. After 3 years and 4 months, he died of a relapse of a gastric varix, but with no portal thrombosis and a well controlled intra-hepatic recurrence that was treated by repeated TAE. This case suggests that TAE might be effective for cases of HCC with portal vein thrombosis in the 1st branch, if the liver function and portal flow are suitable.


Asunto(s)
Carcinoma Hepatocelular/terapia , Embolización Terapéutica , Neoplasias Hepáticas/terapia , Vena Porta , Trombosis de la Vena/terapia , Carcinoma Hepatocelular/patología , Arteria Hepática , Humanos , Neoplasias Hepáticas/patología , Masculino , Persona de Mediana Edad , Células Neoplásicas Circulantes/patología , Sobrevivientes
17.
Hepatology ; 34(4 Pt 1): 638-50, 2001 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-11584358

RESUMEN

It is well known that chronic inflammatory conditions involving the bile ducts predispose to the development of bile duct carcinoma, although the relationship between chronic inflammation and malignant transformation is unclear. In this study, by combining immunohistochemistry and computer imaging techniques, we quantified and compared the cyclooxygenase-2 (COX-2) protein expression levels of epithelial cells according with their histopathological backgrounds. This technique revealed that the highest levels of COX-2 were expressed in bile duct carcinoma cells, mainly in cytoplasm, and the expression pattern was homogenous and abundant. Moderate levels of COX-2 protein expression were also observed in noncancerous epithelial cells with inflammatory reaction, but the staining intensity was heterogeneous among the positive cells exhibiting inflammation. In contrast, only scattered weak reactivity of COX-2 protein was observed in the noncancerous bile duct epithelial cells without inflammatory reaction. Moreover, bile duct epithelial cells in primary sclerosing cholangitis (PSC) showed very strong expression of COX-2 protein, that was comparable with carcinoma cells. On the other hand, primary biliary cirrhosis (PBC) epithelial cells showed moderate levels of COX-2 expression. In addition, specific COX-2 inhibitors, JTE-522 and NS-398, directly inhibited the growth of 4 bile duct carcinoma and 1 gall bladder carcinoma cell lines that expressed COX-2 protein, in vitro. These data suggest that COX-2 expression might regulate carcinogenesis of bile duct epithelial cells in inflammatory regions and tumor progression in this cancer. The data also suggest that COX-2 selective inhibitors might have therapeutic effects not only on bile duct carcinoma, but other hepatobiliary carcinomas.


Asunto(s)
Neoplasias de los Conductos Biliares/enzimología , Conductos Biliares/enzimología , Isoenzimas/análisis , Prostaglandina-Endoperóxido Sintasas/análisis , Animales , División Celular/efectos de los fármacos , Colangitis Esclerosante/enzimología , Neoplasias del Colon/enzimología , Ciclooxigenasa 2 , Inhibidores de la Ciclooxigenasa 2 , Inhibidores de la Ciclooxigenasa/farmacología , Células Epiteliales/enzimología , Hepatocitos/enzimología , Humanos , Inmunohistoquímica , Isoenzimas/genética , Cirrosis Hepática Biliar/enzimología , Proteínas de la Membrana , Prostaglandina-Endoperóxido Sintasas/genética , ARN Mensajero/análisis , Conejos , Células Tumorales Cultivadas
18.
Int J Oncol ; 19(4): 701-7, 2001 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-11562744

RESUMEN

To reveal the implication in gastric cancer pathogenesis of the novel human gene referred to as CA11, which was recently isolated by a differential display technique using normal gastric mucosa and gastric cancer tissue, we examined CA11 expression in 50 primary gastric cancers and also introduced the CA11 gene into gastric cancer cells. RNA dot blot analysis against various human organs and developmental stages demonstrated that CA11 was intensively expressed especially in normal stomach tissue. Northern blot analysis showed that expression of the CA11 gene in cancer tissue was down-regulated compared with normal tissue. Semi-quantitative RT-PCR also demonstrated that CA11 gene expression was decreased in 41 out of 50 (82%) of the gastric cancer tissues, when compared with normal stomach tissues, while no relationship was found between CA11 expression and various clinicopathological characteristics including histological type, depth of invasion, lymph node metastasis, and clinical stage. Immunohistochemical analysis with anti CA11 antibody showed that CA11-positive staining was observed in the surface regions of normal gastric epithelium, but was found faintly or not at all in cancer tissues. CA11 transfected MKN28 cells also displayed a marked decrease in the number of colony formations when compared to double normal controls. These findings suggest that the loss of CA11 expression in gastric tissues may play an important role in gastric carcinogenesis.


Asunto(s)
Adenocarcinoma/metabolismo , Carcinoma de Células en Anillo de Sello/metabolismo , Proteínas de Neoplasias/metabolismo , Neoplasias Gástricas/metabolismo , Adenocarcinoma/patología , Adulto , Anciano , Anciano de 80 o más Años , Secuencia de Bases , Northern Blotting , Carcinoma de Células en Anillo de Sello/patología , Regulación hacia Abajo , Etiquetas de Secuencia Expresada , Femenino , Mucosa Gástrica/metabolismo , Mucosa Gástrica/patología , Humanos , Técnicas para Inmunoenzimas , Metástasis Linfática , Masculino , Persona de Mediana Edad , Datos de Secuencia Molecular , Invasividad Neoplásica , Proteínas de Neoplasias/genética , ARN Mensajero/metabolismo , Reacción en Cadena de la Polimerasa de Transcriptasa Inversa , Neoplasias Gástricas/patología
19.
J Hepatol ; 34(2): 278-83, 2001 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-11281557

RESUMEN

BACKGROUND: We investigated the effects of prednisolone on cytokine production and calpain mu activation during hepatic ischemia-reperfusion (IR) injury. METHODS: The hilar area of the left lateral and median lobes of rat liver was clamped for 60 min. Prednisolone was administered at 1.0, 3.0, or 10 mg/kg at 30 min before ischemia. In addition to biochemical and microscopic analyses, IL-beta and TNF-alpha production was evaluated by RT-PCR. Calpain mu activation and talin degradation were determined by Western blotting, using specific antibodies. RESULTS: In the control and prednisolone (1.0 mg/kg) groups, serum AST and ALT levels were elevated, and cell membrane bleb formation was observed after 2 h of reperfusion. Moreover, calpain mu activation, talin degradation, and overexpression of IL-beta and TNF-alpha mRNAs were detected. Infusion of prednisolone at 3.0 or 10 mg/kg significantly suppressed biochemical and microscopic changes. At 10 mg/kg, prednisolone markedly suppressed IL-beta and TNF-alpha transcription and calpain mu activation and talin degradation, consistent with the improved 7-day survival after total hepatic ischemia (75% vs. 25% in control group, P = 0.039). CONCLUSIONS: Cytoprotective effect of prednisolone in hepatic IR injury was closely associated with suppression of IL-beta/TNF-alpha production and calpain mu activation.


Asunto(s)
Calpaína/metabolismo , Citocinas/biosíntesis , Hígado/irrigación sanguínea , Hígado/lesiones , Prednisolona/farmacología , Daño por Reperfusión/prevención & control , Alanina Transaminasa/sangre , Animales , Aspartato Aminotransferasas/sangre , Secuencia de Bases , Citocinas/genética , Cartilla de ADN/genética , Activación Enzimática/efectos de los fármacos , Interleucina-1/biosíntesis , Interleucina-1/genética , Hígado/efectos de los fármacos , Hígado/patología , Masculino , Prednisolona/administración & dosificación , ARN Mensajero/genética , ARN Mensajero/metabolismo , Ratas , Ratas Wistar , Daño por Reperfusión/inmunología , Daño por Reperfusión/metabolismo , Daño por Reperfusión/patología , Talina/metabolismo , Factor de Necrosis Tumoral alfa/biosíntesis , Factor de Necrosis Tumoral alfa/genética
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