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| 1 | Treatment-related gastrointestinal toxicities and advanced colorectal or pancreatic cancer:A critical update显示文摘Gastrointestinal toxicities(GIT), including oral mucositis,nausea and vomiting, and diarrhea, are common side effects of chemotherapy and targeted agents in patients with advanced colorectal cancer and pancreatic cancer. Being often underreported, it is still difficult to precisely establish their burden in terms of both patient's quality of life and cancer care costs. Moreover, with the use of more intensive upfront combination regimens, the frequency of these toxicities is rapidly growing with a potential negative effect also on patient's outcome, as a result of dose reductions, delays or even discontinuation of active treatments. Thus, identifying patients at higher risk of developing GIT as well as an optimal management are paramount in order to improve patient's compliance and outcome. After the description of the main treatment-induced GIT, we discuss the current knowledge on the pathophysiology of these side effects and comment the scales commonly used to assess and grade them. We then provide a critical update on GIT incidence based on the results of key randomized trials conducted in patients with metastatic colorectal cancer and advanced pancreatic cancer. | Giuseppe Aprile Karim Rihawi Elisa De Carlo Stephen T Sonis | 2015 | World Journal of Gastroenterology2015,21,41: | 7 |
| 2 | Expression of HER2 and bradykinin B_1 receptors in precursor lesions of gallbladder carcinoma显示文摘AIM:To determine the expression of HER2 and bradykinin B 1 receptors(B 1 R) in the two pathogenic models of gallbladder cancer:the metaplasia-dysplasia-carcinoma and the adenoma-carcinoma pathways.METHODS:Receptor proteins were visualized by immunohistochemistry on 5-μm sections of paraffin-embedded tissue.Expression of both receptors was studied in biopsy samples from 92 patients(6 males and 86 females;age ranging from 28 to 86 years,mean 56 years).High HER2 expression in specimens was additionally investigated by fluorescence in situ hybridiza-tion.Cell proliferation in each sample was assessed by using the Ki-67 proliferation marker.RESULTS:HER2 receptor protein was absent in adenomas and in normal gallbladder epithelium.On the contrary,there was intense staining for HER2 on the basolateral membrane of epithelial cells of intestinal metaplasia(22/24;91.7%) and carcinoma in situ(9/10;90%),the lesions that displayed a significantly high proliferation index.Protein up-regulation of HER2 in the epithelium with metaplasia or carcinoma in situ was not accompanied by HER2 gene amplification.A similar result was observed in invasive carcinomas(0/12).The B 1 R distribution pattern mirrored that of HER2 except that B 1 R was additionally observed in the adenomas.The B 1 R appeared either as cytoplasmic dots or labeling on the apical cell membrane of the cells composing the epithelia with intestinal metaplasia(24/24;100%) and carcinoma in situ(10/10;100%) and in the epithelial cells of adenomas.In contrast,both HER2(4/12;33%) and B 1 R(1/12;8.3%) showed a low expression in invasive gallbladder carcinomas.CONCLUSION:The up-regulation of HER2 and B1R in precursor lesions of gallbladder carcinoma suggests cross-talk between these two receptors that may be of importance in the modulation of cell proliferation in gallbladder carcinogenesis. | Cesar Toledo Carola E Matus Ximena Barraza Pamela Arroyo Pamela Ehrenfeld Carlos D Figueroa Kanti D Bhoola Maeva del Pozo Maria T Poblete | 2012 | World Journal of Gastroenterology2012,18,11: | 6 |
| 3 | De novo malignancies after liver transplantation: The effect of immunosuppression-personal data and review of literature显示文摘BACKGROUND Immunosuppression has undoubtedly raised the overall positive outcomes in the post-operative management of solid organ transplantation. However, long-term exposure to immunosuppression is associated with critical systemic morbidities. De novo malignancies following orthotopic liver transplants (OLTs) are a serious threat in pediatric and adult transplant individuals. Data from different experiences were reported and compared to assess the connection between immunosuppression and de novo malignancies in liver transplant patients. AIM To study the role of immunosuppression on the incidence of de novo malignancies in liver transplant recipients. METHODS A systematic literature examination about de novo malignancies and immunosuppression weaning in adult and pediatric OLT recipients was described in the present review. Worldwide data were collected from highly qualified institutions performing OLTs. Patient follow-up, immunosuppression discontinuation and incidence of de novo malignancies were reported. Likewise, the review assesses the differences in adult and pediatric recipients by describing the adopted immunosuppression regimens and the different type of diagnosed solid and blood malignancy.RESULTS Emerging evidence suggests that the liver is an immunologically privileged organ able to support immunosuppression discontinuation in carefully selected recipients. Malignancies are often detected in liver transplant patients undergoing daily immunosuppression regimens. Post-transplant lymphoproliferative diseases and skin tumors are the most detected de novo malignancies in the pediatric and adult OLT population, respectively. To date, immunosuppression withdrawal has been achieved in up to 40% and 60% of well-selected adult and pediatric recipients, respectively. In both populations, a clear benefit of immunosuppression weaning protocols on de novo malignancies is difficult to ascertain because data have not been specified in most of the clinical experiences. CONCLUSION The selected populations of tolerant pediatric and adult liver transplant recipients greatly benefit from immunosuppression weaning. There is still no strong clinical evidence on the usefulness of immunosuppression withdrawal in OLT recipients on malignancies. An interesting focus is represented by the complete reconstitution of the immunological pathways that could help in decreasing the incidence of de novo malignancies and may also help in treating liver transplant patients suffering from cancer. | Tommaso Maria Manzia Roberta Angelico Carlo Gazia Ilaria Lenci Martina Milana Oludamilola T Ademoyero Domiziana Pedini Luca Toti Marco Spada Giuseppe Tisone Leonardo Baiocchi | 2019 | World Journal of Gastroenterology2019,25,35: | 3 |
| 4 | Human adipose derived stem cells are superior to human osteoblasts (HOB) in bone tissue engineering on a collagen-fibroin-ELR blend显示文摘The ultrastructure of the bone provides a unique mechanical strength against compressive, torsional andtensional stresses. An elastin-like recombinamer (ELR) with a nucleation sequence for hydroxyapatitewas incorporated into films prepared from a collagen-silk fibroin blend carrying microchannel patternsto stimulate anisotropic osteogenesis. SEM and fluorescence microscopy showed the alignment ofadipose-derived stem cells (ADSCs) and the human osteoblasts (HOBs) on the ridges and in the groovesof microchannel patterned collagen-fibroin-ELR blend films. The Young's modulus and the ultimatetensile strength (UTS) of untreated films were 0.58 ± 0.13 MPa and 0.18 ± 0.05 MPa, respectively. After 28days of cell culture, ADSC seeded film had a Young's modulus of 1.21 ± 0.42 MPa and UTS of0.32 ± 0.15 MPa which were about 3 fold higher than HOB seeded films. The difference in Young'smodulus was statistically significant (p: 0.02). ADSCs attached, proliferated and mineralized better thanthe HOBs. In the light of these results, ADSCs served as a better cell source than HOBs for bone tissueengineering of collagen-fibroin-ELR based constructs used in this study. We have thus shown theenhancement in the tensile mechanical properties of the bone tissue engineered scaffolds by usingADSCs. | Esen Sayin Rosti Hama Rashid JoséCarlos Rodríguez-Cabello Ahmed Elsheikh Erkan Türker Baran Vasif Hasirci | 2017 | Bioactive Materials2017,2,2: | 2 |
| 5 | Management of gallstones and gallbladder disease in patients undergoing gastric bypass显示文摘The appropriate management of gallstones and gallbladder disease in patients undergoing gastric bypass remains unknown.Several therapeutic modalities are used and include performing cholecystectomy on all patients at the time of gastric bypass,performing concomitant cholecystectomy only when patients have gallstones and performing cholecystectomy only in the presence of both symptoms and gallstones.Some groups administer ursodeoxycholic acid for gallstone prevention in the postoperative period.All treatment modalities are analyzed and their results and rationality are discussed. | Bernabé M Quesada Gustavo Kohan Hernán E Roff Carlos M Canullán Luis T Chiappetta Porras | 2010 | World Journal of Gastroenterology2010,16,17: | 2 |
| 6 | Proton nuclear magnetic resonance-based metabonomic models for non-invasive diagnosis of liver fibrosis in chronic hepatitis C:Optimizing the classification of intermediate fibrosis显示文摘AIM To develop metabonomic models(MMs), using 1 H nuclear magnetic resonance(NMR) spectra of serum, to predict significant liver fibrosis(SF: Metavir ≥ F2), advanced liver fibrosis(AF: METAVIR ≥ F3) and cirrhosis(C: METAVIR = F4 or clinical cirrhosis) in chronic hepatitis C(CHC) patients. Additionally, to compare the accuracy of the MMs with the aspartate aminotransferase to platelet ratio index(APRI) and fibrosis index based on four factors(FIB-4). METHODS Sixty-nine patients who had undergone biopsy in the previous 12 mo or had clinical cirrhosis were included. The presence of any other liver disease was a criterion for exclusion. The MMs, constructed using partial least squares discriminant analysis and linear discriminant analysis formalisms, were tested by cross-validation, considering SF, AF and C. RESULTS Results showed that forty-two patients(61%) presented SF, 28(40%) AF and 18(26%) C. The MMs showed sensitivity and specificity of 97.6% and 92.6% to predict SF; 96.4% and 95.1% to predict AF; and 100% and 98.0% to predict C. Besides that, the MMs correctly classified all 27(39.7%) and 25(38.8%) patients with intermediate values of APRI and FIB-4, respectively. CONCLUSION The metabonomic strategy performed excellently in predicting significant and advanced liver fibrosis in CHC patients, including those in the gray zone of APRI and FIB-4, which may contribute to reducing the need for these patients to undergo liver biopsy. | Andrea Dória Batista Carlos Jonnatan Pimentel Barros Tássia Brena Barroso Carneiro Costa Michele Maria Goncalves de Godoy Ronaldo Dionísio Silva Joelma Carvalho Santos Mariana Montenegro de Melo Lira Norma ThoméJucá Edmundo Pessoa de Almeida Lopes Ricardo Oliveira Silva | 2018 | World Journal of Hepatology2018,10,1: | 2 |
| 7 | Lymphoepithelial cysts and cystic lymphangiomas: Underrecognized benign cystic lesions of the pancreas显示文摘AIM: To identify their diagnostic and prognostic clinical characteristics in a large series.METHODS: Retrospective review of clinicopathologic and imaging characteristics of patients diagnosed with lymphoepithelial cysts and cystic lymphangiomas of the pancreas at Massachusetts General Hospital.RESULTS: Twelve patients were identified between 1/1/1997 and 8/1/2007. Their median age was 55.5 years(range 19-78 years), and 6 were females. The le-sion was incidentally discovered in half of the patients.Contrast enhanced computed tomography demonstrat-ed that the cysts had thin walls, without calcifications, pancreatic duct dilation or pancreatic parenchyma inva-sion. Endoscopic ultrasound with fine needle aspiration(EUS/FNA) confirmed the diagnosis of a lymphoepithe-lial cyst in 3 patients, one of whom was spared an op-eration and continues to do well after 6 years. Eleven patients had a resection: 3 pancreaticoduodenecto-mies, 7 distal pancreatectomies, and 1 enucleation. The median size of the cysts was 3 cm(range 2-20 cm). At a median follow-up of 57 mo no recurrences or other pancreas-related conditions occurred.CONCLUSION: Lymphoepithelial cysts and cystic lymphangiomas of the pancreas can be diagnosed with a combination of contrast-enhanced computed tomog-raphy scans and EUS/FNA. If the lesion is asymptom-atic, an operation might be avoided. | Ioannis T Konstantinidis Avinash Kambadakone Onofrio A Catalano Dushyant V Sahani Vikram Deshpe David G Forcione Jennifer A Wargo Carlos Fernandez-del Castillo Keith D Lillemoe Andrew L Warshaw Cristina R Ferrone | 2014 | World Journal of Gastrointestinal Surgery2014,6,7: | 2 |
| 8 | Environmental im- pacts of intensive aquacuhure in marine water 显示文摘 | ANTONIO T CARLOS M MANUEL P M | 2000 | Water Re- search2000,34,1: | 1 |
| 9 | Pulmonary function in patients with diabetes mellitus显示文摘 | Carlos A Benbassa T Stern E | 2001 | Am J Med Sci2001,322,3: | 1 |
| 10 | CD28 costimulation improves expansion and persistence of chimeric antigen receptor-modified T cells in lymphoma patients显示文摘 | Savoldo Barbara Ramos Carlos Almeida Liu Enli Mims Martha P Keating Michael J Carrum George Kamble Rammurti T Bollard Catherine M Gee Adrian P Mei Zhuyong Liu Hao Grilley Bambi Rooney Cliona M Heslop Helen E Brenner Malcolm K Dotti Gianpie | 2011 | Journal of Clinical Investigation2011,,5: | 1 |
| 11 | Structural aspects of fullerene chemis- try A journey through fullerene chirality显示文摘 | Carlo T Diederich F | 2007 | Chemical In- form2007,38,18: | 1 |
| 12 | Ultraviolet-B radiation and nitrogen effects on growth and yield of maize under Mediterranean field conditions显示文摘 | CARLOS M CORREIA C M COUTINHO J F BJORN L O SAGER E P S HUTCHINSON T C | 2000 | European Journal of Agronomy2000,,12: | 1 |
| 13 | How may infection age-dependent infectivity affect the dynamics of HW/AIDS?显示文摘 | Horst R T Carlos C C | 1993 | SIAM J Appl Math1993,53,5: | 1 |
| 14 | A practical method for calculating largest Lyapunov exponents from small data sets显示文摘 | Michael T R James J C Carlo J D L | 1993 | Physica D1993,65,2: | 1 |
| 15 | A practical method for calculating largest Lyapunovexponents from small data sets显示文摘 | Rosenstein Michael T Collins James J Luca Carlo J De | 1993 | Physica D: Nonlinear Phenomena1993,65,12: | 1 |
| 16 | 16S rRNA gene sequence analysis of Photobacterium damselae and nested PCR method for rapid detection of the causative agent of fish pasteruellosis显示文摘 | CARLOS R O MATTHEW D C ALICIA E T | 1999 | Appl Environ Microbiol1999,65,7: | 1 |
| 17 | Influence of the slope in the ventilation semi-transversal system of an urban tunnel显示文摘 | RAFAEL B T CARLOS S M EDUARDO B M | 2006 | Tunnelling and Underground Space Technology2006,21,1: | 1 |
| 18 | Gallbladder emptying in normal volunteers com- parative study between cholescintigraphy and ultasonography 显示文摘 | Carlos A Buchpiguel Marcelo T Sapien-Za Denise P Vez- zozzo | 1996 | Clinical Nuclear Medicine1996,21,: | 1 |
| 19 | Regional variability in survival outcomes of out-of-hospital cardiac arrest: The All-Japan Utstein Registry 显示文摘 | Kohei H Yusukc T Carlos A | 2013 | Resuscitation2013,84,8: | 1 |
| 20 | A common-mode choke using toroid-EQ mixed structure显示文摘 | Wenhua T Carlos C Xavier A | 2013 | IEEE Transactions on Power Electronics2013,28,1: | 1 |