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https://www.readbyqxmd.com/read/28642056/can-stem-cells-ameliorate-the-pancreatic-damage-induced-by-streptozotocin-in-rats
#1
Amira Ragab El Barky, Amany Abdel Hamid Ezz, Abeer Abd-Elhameed Alm-Eldeen, Samy Ali Hussein, Yehia Ahmed Hafez, Tarek Mostafa Mohamed
BACKGROUND: Stem cell therapy holds great promise for the repair of injured tissues and organs, and it is one of the most promising therapies for diabetes mellitus. Therefore, the present study was undertaken to elucidate the antidiabetic effect of both mesenchymal stem cells (MSCs) and insulin-producing cells (IPCs) on streptozotocin (STZ)-induced diabetes in rats. MATERIALS AND METHODS: MSCs were derived from bone marrow of male albino rats. MSCs were characterized morphologically and by Cluster of differentiation (CD(-ve34)) and (CD(+ve105))...
June 19, 2017: Canadian Journal of Diabetes
https://www.readbyqxmd.com/read/28633596/laparotomy-site-implantation-metastasis-of-carcinoma-of-the-papilla-of-vater
#2
Milan Radojkovic, Jasmina Gligorijevic, Miroslav Stojanovic, Goran Stanojevic, Ivan Ilic
Introduction Carcinomas of the papilla of Vater make up a heterogeneous group of tumours arising from different types of epithelium. Regional lymph nodes, liver and lungs are the primary sites of metastatic progression of these tumours. Case presentation We present a patient with an abdominal incision site metastasis of low-grade (mixed type) adenocarcinoma of the papilla of Vater one year after pylorus-preserving pancreaticoduodenectomy. Implantation metastasis of low-grade ampullary carcinoma in the laparotomy wound after open Whipple's procedure is unusual...
January 1, 2017: Scottish Medical Journal
https://www.readbyqxmd.com/read/28633089/first-line-panitumumab-plus-folfox4-or-folfiri-in-colorectal-cancer-with-multiple-or-unresectable-liver-metastases-a-randomised-phase-ii-trial-planet-ttd
#3
Alfredo Carrato, Albert Abad, Bartomeu Massuti, Cristina Grávalos, Pilar Escudero, Federico Longo-Muñoz, José-Luis Manzano, Auxiliadora Gómez, María José Safont, Javier Gallego, Beatriz García-Paredes, Carles Pericay, Rosario Dueñas, Fernando Rivera, Ferrán Losa, Manuel Valladares-Ayerbes, Encarnación González, Enrique Aranda
BACKGROUND: In first-line wild-type (WT)-Kirsten rat sarcoma viral oncogene homologue (KRAS) metastatic colorectal cancer (mCRC), panitumumab (Pmab) improves outcomes when added to FOLFOX [folinic acid, 5-fluorouracil, and oxaliplatin] or FOLFIRI [folinic acid, 5-fluorouracil, and irinotecan]. However no trial has directly compared these combinations. METHODS: Multicentre, open-label study in untreated patients ≥ 18 years with (WT)-KRAS mCRC and multiple or unresectable liver-limited disease (LLD) randomised to either Pmab-FOLFOX4 or Pmab-FOLFIRI...
June 17, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28632727/post-translational-regulation-contributes-to-the-loss-of-lkb1-expression-through-sirt1-deacetylase-in-osteosarcomas
#4
Nadège Presneau, Laure Alice Duhamel, Hongtao Ye, Roberto Tirabosco, Adrienne M Flanagan, Malihe Eskandarpour
BACKGROUND: The most prevalent form of bone cancer is osteosarcoma (OS), which is associated with poor prognosis in case of metastases formation. Mice harbouring liver kinase B1 (LKB1(+/-)) develop osteoblastoma-like tumours. Therefore, we asked whether loss of LKB1 gene has a role in the pathogenesis of human OS. METHODS: Osteosarcomas (n=259) were screened for LKB1 and sirtuin 1 (SIRT1) protein expression using immunohistochemistry and western blot. Those cases were also screened for LKB1 genetic alterations by next-generation sequencing, Sanger sequencing, restriction fragment length polymorphism and fluorescence in situ hybridisation approaches...
June 20, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28629572/3t-diffusion-weighted-mri-in-the-response-assessment-of-colorectal-liver-metastases-after-chemotherapy-correlation-between-adc-value-and-histological-tumour-regression-grading
#5
Francescamaria Donati, Piero Boraschi, Federica Pacciardi, Rosa Cervelli, Maura Castagna, Lucio Urbani, Fabio Falaschi, Davide Caramella
PURPOSE: The purpose of the study was to correlate the apparent diffusion coefficient (ADC) values of diffusion-weighted MR imaging (DW-MRI) by 3T device with the histological tumour regression grading (TRG) analysis of colorectal liver metastases after preoperative chemotherapy. MATERIALS AND METHODS: Our study included thirty-five patients with colorectal liver metastases who had undergone MRI by 3T device (GE DISCOVERY MR750; GE Healthcare) after preoperative chemotherapy...
June 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28629006/a-colon-targeted-drug-delivery-system-based-on-alginate-modificated-graphene-oxide-for-colorectal-liver-metastasis
#6
Bin Zhang, Yayuan Yan, Qiujuan Shen, Dong Ma, Langhuan Huang, Xiang Cai, Shaozao Tan
A major problem associated with colon cancer is liver metastasis. A colon-targeted drug delivery system is one way to address this problem after the resection of colorectal cancer. However, traditional drug delivery systems face many challenges, such as an inability to control the release rate, inaccurate targeting, susceptibility to the microenvironment and poor stability. Here, we report the development of a graphene oxide (GO)-based, sodium alginate (ALG) functionalized colon-targeting drug delivery system, that is loaded with 5-fluorouracil (5-FU) as the anti-cancer drug (denoted as GO-ALG/5-FU)...
October 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28627990/systemic-metastases-from-central-nervous-system-ependymoma-case-report-and-review-of-the-literature
#7
Claudia Marsecano, Federico Bruno, Giulia Michelini, Marco Perri, Giuseppe Calvisi, Ernesto Di Cesare, Alessandra Splendiani
Ependymal tumours in adults are rare, accounting for less than 4% of primary tumours of the central nervous system, and exceptionally metastasise outside the nervous system. In this study, we present a case of anaplastic ependymoma, which developed metastases outside the nervous system less than a year after its clinical onset. A healthy 65-year-old woman suddenly presented with drowsiness of unknown origin, accompanied by ingravescent fatigue, inability to maintain the upright posture, headache, nausea and vomiting...
June 2017: Neuroradiology Journal
https://www.readbyqxmd.com/read/28626633/mediastinal-hemangioendothelioma-case-report-and-review-of-the-literature
#8
Davide Patrini, Laura Scolamiero, Reena Khiroya, David Lawrence, Elaine Borg, Martin Hayward, Nikolaos Panagiotopoulos
BACKGROUND: Epithelioid haemangioendothelioma (EHE) is a rare low-grade vascular neoplasm that can arise in the lung, liver, soft tissues or, less commonly, bone. Due to its low prevalence of less than one in a million and its non-specific clinical features, EHE is often misdiagnosed and managed inappropriately. Here we discuss the case of a 58 year-old gentleman with mediastinal EHE and review existing literature on pulmonary EHE (PEH). CASE HISTORY: A 58 year-old gentleman presented to our outpatient Clinic with chest discomfort and palpitations...
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/28626593/langerhans-cell-sarcoma-a-case-report-demonstrating-morphological-and-immunophenotypical-variability-within-a-single-lesion
#9
Rasika Singh, Charles Edward Keen, Christopher Stone, Patrick Sarsfield
Langerhans cells are antigen presenting dendritic cells and tumours arising from these are rare. The tumours arising from these dendritic cells are divided into two categories according to a WHO classification: Langerhans cell histiocytosis and Langerhans cell sarcoma. It is the degree of atypia and clinical aggressiveness that distinguishes the two subtypes. Langerhans cell sarcoma (LCS) is a neoplastic proliferation of Langerhans cells which can occur in skin, bone marrow, lymph nodes, spleen, liver, and lung...
2017: Case Reports in Pathology
https://www.readbyqxmd.com/read/28624022/whole-liver-ct-texture-analysis-to-predict-the-development-of-colorectal-liver-metastases-a-multicentre-study
#10
Rianne C J Beckers, Doenja M J Lambregts, Roald S Schnerr, Monique Maas, Sheng-Xiang Rao, Alfons G H Kessels, Thomas Thywissen, Geerard L Beets, Stefano Trebeschi, Janneke B Houwers, Cornelis H Dejong, Cornelis Verhoef, Regina G H Beets-Tan
OBJECTIVES: CT texture analysis has shown promise to differentiate colorectal cancer patients with/without hepatic metastases. AIM: To investigate whether whole-liver CT texture analysis can also predict the development of colorectal liver metastases. MATERIAL AND METHODS: Retrospective multicentre study (n=165). Three subgroups were assessed: patients [A] without metastases (n=57), [B] with synchronous metastases (n=54) and [C] who developed metastases within ≤24 months (n=54)...
July 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28623358/the-role-of-pten-hcv-core-interaction-in-hepatitis-c-virus-replication
#11
Qi Wu, Zhubing Li, Paul Mellor, Yan Zhou, Deborah H Anderson, Qiang Liu
Hepatitis C virus (HCV) infection leads to severe liver diseases including hepatocellular carcinoma (HCC). Phosphatase and tensin homolog deleted on chromosome 10 (PTEN), a tumour suppressor, is frequently mutated or deleted in HCC tumors. PTEN has previously been demonstrated to inhibit HCV secretion. In this study, we determined the effects of PTEN on the other steps in HCV life cycle, including entry, translation, and replication. We showed that PTEN inhibits HCV entry through its lipid phosphatase activity...
June 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28622965/tumour-derived-human-growth-hormone-as-a-therapeutic-target-in-oncology
#12
REVIEW
Jo K Perry, Zheng-Sheng Wu, Hichem C Mertani, Tao Zhu, Peter E Lobie
The growth hormone (GH) and insulin-like growth factor-1 (IGF1) axis is the key regulator of longitudinal growth, promoting postnatal bone and muscle growth. The available data suggest that GH expression by tumour cells is associated with the aetiology and progression of various cancers such as endometrial, breast, liver, prostate, and colon cancer. Accordingly there has been increased interest in targeting GH-mediated signal transduction in a therapeutic setting. Because GH has endocrine, autocrine, and paracrine actions, therapeutic strategies will need to take into account systemic and local functions...
June 13, 2017: Trends in Endocrinology and Metabolism: TEM
https://www.readbyqxmd.com/read/28621238/long-non-coding-rna-casc2-regulates-cell-biological-behaviour-through-the-mapk-signalling-pathway-in-hepatocellular-carcinoma
#13
Yuanyuan Gan, Nana Han, Xiaoqin He, Jiajun Yu, Meixia Zhang, Yujie Zhou, Huiling Liang, Junjian Deng, Yongfa Zheng, Wei Ge, Zhixiong Long, Ximing Xu
Long non-coding RNAs have previously been demonstrated to play important roles in regulating human diseases, especially cancer. However, the biological functions and molecular mechanisms of long non-coding RNAs in hepatocellular carcinoma have not been extensively studied. The long non-coding RNA CASC2 (cancer susceptibility candidate 2) has been characterised as a tumour suppressor in endometrial cancer and gliomas. However, the role and function of CASC2 in hepatocellular carcinoma remain unknown. In this study, using quantitative real-time polymerase chain reaction, we confirmed that CASC2 expression was downregulated in 50 hepatocellular carcinoma cases (62%) and in hepatocellular carcinoma cell lines compared with the paired adjacent tissues and normal liver cells...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28616794/long-term-survival-after-multidisciplinary-therapy-for-residual-gallbladder-cancer-with-peritoneal-dissemination-a-case-report
#14
Daisuke Kuga, Tomoki Ebata, Yukihiro Yokoyama, Tsuyoshi Igami, Gen Sugawara, Takashi Mizuno, Junpei Yamaguchi, Masato Nagino
BACKGROUND: Although surgical resection is the only curative treatment for gallbladder cancer (GBC), concomitant peritoneal dissemination is considered far beyond the scope of resection. We report a long-term survivor with a residual GBC with multiple peritoneal disseminations who underwent an extended resection after effective chemotherapy. CASE PRESENTATION: A 59-year-old male underwent an open cholecystectomy for Mirizzi syndrome at a local hospital. Because of severe inflammation, the gallbladder was perforated during surgery, ending in a piecemeal resection...
December 2017: Surgical Case Reports
https://www.readbyqxmd.com/read/28614959/the-effects-of-triptolide-on-the-pharmacokinetics-of-sorafenib-in-rats-and-its-potential-mechanism
#15
Xianming Wang, Xin Zhang, Fei Liu, Minghai Wang, Shiyong Qin
CONTEXT: Combining sorafenib with triptolide could inhibit tumour growth with greater efficacy than single-agent treatment. However, their herb-drug interaction remains unknown. OBJECTIVE: This study investigates the herb-drug interaction between triptolide and sorafenib. MATERIALS AND METHODS: The effects of triptolide (10 mg/kg) on the pharmacokinetics of different doses of sorafenib (20, 50 and 100 mg/kg) in rats, and blood samples were collected within 48 h and evaluated using LC-MS/MS...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28612618/durable-complete-response-of-colorectal-cancer-metastasis-after-biochemotherapy
#16
M Honzirkova, L Lipská, P Kohout, J Ferda, O Bělohlávek, T Büchler
BACKGROUND: Resection of the metastatic site is indicated but not always possible in patients with metastatic colorectal cancer (mCRC) who achieve a partial or complete response (CR) to induction systemic treatment. CR after systemic treatment alone is uncommon, and even patients with radiologic CR after induction chemotherapy harbour persistent macroscopic or microscopic residual disease in more than 80% of cases. Occasionally, some metastatic lesions disappear radiologically but others persist after induction systemic treatment...
2017: Klinická Onkologie: Casopis Ceské a Slovenské Onkologické Spolecnosti
https://www.readbyqxmd.com/read/28611522/radiological-response-and-inflammation-scores-predict-tumour-recurrence-in-patients-treated-with-transarterial-chemoembolization-before-liver-transplantation
#17
Daniele Nicolini, Andrea Agostini, Roberto Montalti, Federico Mocchegiani, Cinzia Mincarelli, Alessandra Mandolesi, Nicola L Robertson, Roberto Candelari, Andrea Giovagnoni, Marco Vivarelli
AIM: To investigate the prognostic value of the radiological response after transarterial chemoembolization (TACE) and inflammatory markers in patients affected by hepatocellular carcinoma (HCC) awaiting liver transplantation (LT). METHODS: We retrospectively evaluated the preoperative predictors of HCC recurrence in 70 patients treated with conventional (n = 16) or doxorubicin-eluting bead TACE (n = 54) before LT. The patient and tumour characteristics, including the static and dynamic alpha-fetoprotein, neutrophil-to-lymphocyte ratio and platelet-to-lymphocyte ratio (PLR) measurements, were recorded...
May 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28611166/cytomegalovirus-duodenitis-in-immunocompetent-patients-what-else-should-we-look-for
#18
Dalila Costa, Dália Fernandes, Antónia Furtado, Andre Santa Cruz
Cytomegalovirus (CMV) infection is a well-recognised complication of immunodeficiency, although the burden of CMV disease in immunocompetent adults is still unknown. We present the case of a 54-year-old male patient admitted due to severe diarrhoea, epigastric pain and fever. Initial diagnostic workup revealed pericardial and pleural effusion, enlarged abdominal lymph nodes and mild elevation of liver enzymes. CMV serology was IgM positive, and upper endoscopy revealed proximal enteritis. Histology and immunohistochemistry of duodenal samples confirmed CMV disease...
June 13, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28599305/heptamethine-carbocyanine-dz-1-dye-for-near-infrared-fluorescence-imaging-of-hepatocellular-carcinoma
#19
Jiaze An, Ningning Zhao, Caiqin Zhang, Yong Zhao, Dengxu Tan, Ya Zhao, Bing Bai, Hai Zhang, Boyang Jason Wu, Changhong Shi
Nar-infrared fluorescence (NIRF) dyes have recently emerged as promising tools for non-invasive imaging of different types of cancers. Heree, we explored the potential utility of a NIRF DZ-1 dye, with dual imaging and tumour targeting functions, in hepatocellular carcinoma (HCC). We showed the preferential uptake of DZ-1 by HCC cells in vitro and in derived subcutaneous/orthotopic tumour xenografts, accompanied by a minimal effect on normal cells. DZ-1 simplified tumour growth profiling as well, since we were able to correlate NIRF signals with tumour volume and/or tumour-emitting luminescence in mice...
May 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28596431/nonalcoholic-fatty-liver-disease-in-chronic-obstructive-pulmonary-disease
#20
Damien Viglino, Ingrid Jullian-Desayes, Mélanie Minoves, Judith Aron-Wisnewsky, Vincent Leroy, Jean-Pierre Zarski, Renaud Tamisier, Marie Joyeux-Faure, Jean-Louis Pépin
Nonalcoholic fatty liver disease (NAFLD) is independently linked to cardiometabolic morbidity and mortality. Low-grade inflammation, oxidative stress and ectopic fat, common features of chronic obstructive pulmonary disease (COPD), might contribute to the development of NAFLD.We aimed to investigate the prevalence of NAFLD and to evaluate the relationship between various types of liver damage and COPD severity, comorbidities and circulating inflammatory cytokines. Validated noninvasive tests (FibroMax: SteatoTest, NashTest and FibroTest) were used to assess steatosis, nonalcoholic steatohepatitis (NASH) and liver fibrosis...
June 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
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