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https://www.readbyqxmd.com/read/28107764/endoscopic-ultrasound-guided-biliary-access-versus-precut-papillotomy-in-patients-with-failed-biliary-cannulation-a-retrospective-study
#1
Alexander Lee, Anupam Aditi, Yasser M Bhat, Kenneth F Binmoeller, Chris Hamerski, Oriol Sendino, Steve Kane, John P Cello, Lukejohn W Day, Medi Mohamadnejad, V Raman Muthusamy, Rabindra Watson, Jason B Klapman, Sri Komanduri, Sachin Wani, Janak N Shah
Background and aims Precut papillotomy is widely used after failed biliary cannulation. Endoscopic ultrasound (EUS)-guided biliary access techniques are newer methods to facilitate access and therapy in failed cannulation. We evaluated the impact of EUS-guided biliary access on endoscopic retrograde cholangiopancreatography (ERCP) success and compared these techniques to precut papillotomy. Patients and methods We retrospectively compared two ERCP cohorts. One cohort consisted of biliary ERCPs (n = 1053) attempted in patients with native papillae and surgically unaltered anatomy in whom precut papillotomy and/or EUS-guided biliary access were routinely performed immediately after failed cannulation...
January 20, 2017: Endoscopy
https://www.readbyqxmd.com/read/28107761/pre-emptive-endoscopic-vacuum-therapy-for-treatment-of-anastomotic-ischemia-after-esophageal-resections
#2
Philipp-Alexander Neumann, Rudolf Mennigen, Daniel Palmes, Norbert Senninger, Thorsten Vowinkel, Mike G Laukoetter
Background and study aims Endoscopic vacuum therapy (EVT) is a promising new approach for the treatment of anastomotic leakage in the gastrointestinal tract. Here, we present the first case series demonstrating successful use of EVT for the treatment of post-esophagectomy anastomotic ischemia prior to development of leakage. Patients and methods Between 2012 and 2015, intraluminal EVT was performed in eight patients with anastomotic ischemia following esophagectomy. The primary outcome measure was successful mucosal recovery...
January 20, 2017: Endoscopy
https://www.readbyqxmd.com/read/28107758/retroperitoneal-unicentric-castleman-s-disease-a-case-report
#3
Nihed Abdessayed, Ahlem Bdioui, Houssem Ammar, Rahul Gupta, Nozha Mhamdi, Marwa Guerfela, Moncef Mokni
INTRODUCTION: Castleman's disease (CD) is an angio-follicular lymph node hyperplasia presenting as a localized or a systemic disease masquerading malignancy. The most common sites of CD are mediastinum, neck, axilla and pelvis. Unicentric CD in the peripancreatic region is very rare. PRESENTATION OF CASE: We report a case of the 34-year-old lady presenting with epigastric pain for 3 months. Abdominal imaging revealed a retroperitoneal mass arising from the pancreas suspected to be neuroendocrine tumor...
January 5, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28107734/patient-and-medical-barriers-preclude-uptake-of-tamoxifen-preventative-therapy-in-women-with-a-strong-family-history
#4
Anita R Skandarajah, Susan Thomas, Kylie Shackleton, Laura Chin-Lenn, Geoffrey J Lindeman, G Bruce Mann
AIMS: To assess the eligibility, uptake and impediments to tamoxifen use in high-risk women attending a risk management clinic due to family history. PATIENTS AND METHODS: All patients with a germline mutation in a cancer predisposing gene or at high genetic risk (based on family history) attending a Breast and Ovarian cancer risk management clinic from February 2014 to May 2015 received both verbal and written evidence-based information on preventive therapy and were recommended to consider endocrine prevention if not contraindicated...
January 17, 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28107702/c1qbp-regulates-ybx1-to-suppress-the-androgen-receptor-ar-enhanced-rcc-cell-invasion
#5
Dan Yue, Yong Wang, Yin Sun, Yuanjie Niu, Chawnshang Chang
Early studies suggested that the androgen receptor (AR) might play important roles to promote the renal cell carcinoma (RCC) progression; however, the detailed mechanisms remain unclear. Here we demonstrated the higher YBX1 expression with lower C1QBP expression in human RCC clinical tissues, and the intensity of C1QBP was negatively correlated with the YBX1 nuclear expression. Mechanism dissection found C1QBP could interact with YBX1 to suppress the YBX1 activation via altering the YBX1 phosphorylation and nuclear translocation in RCC cells...
January 17, 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28107698/the-natural-flavonoid-apigenin-sensitizes-human-cd44-prostate-cancer-stem-cells-to-cisplatin-therapy
#6
Suat Erdogan, Kader Turkekul, Rıza Serttas, Zeynep Erdogan
Prostate cancer (PCa) is the second most common type of cancer and the fifth leading cause of cancer-related death among men. Development of chemoresistance, tumor relapse and metastasis remain major barriers to effective treatment and all been identified to be associated with cancer stem cells (CSCs). Natural flavonoids such as apigenin have been shown to have the ability to improve the therapeutic efficacy of common chemotherapy agents through CSCs sensitization. Thus, the aim of this study was to evaluate the combination of apigenin with cisplatin on CD44(+) PCa stem cell growth and migration...
January 17, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28107697/egcg-a-tea-polyphenol-as-a-potential-mitigator-of-hematopoietic-radiation-injury-in-mice
#7
Mrinalini Tiwari, Bhakti Dixit, Suhel Parvez, Paban K Agrawala
Agents capable of providing protection, mitigation or therapy against radiation injuries have long been of interest of radiation biologists owing to the ever expanding application of radiation in our day to day life despite the well reported ill effects of exposure. The current study investigates radiomitigating potential of EGCG (epigallocatechin gallate), a tea polyphenol with known DNMT inhibitory property, in C57 Bl/6 mice model. Treatment with 0.1833mg/kg body weight EGCG, 1.5h post-irradiation to lethally whole body irradiated mice rendered 45% survival for 30days and also helped restoring the body weight of the animals...
January 17, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28107696/a-mini-review-of-c-met-as-a-potential-therapeutic-target-in-melanoma
#8
REVIEW
Doa'a G F Al-U'datt, Belal A A Al-Husein, Ghazi Raji Qasaimeh
Melanoma is the third highest rated cancer in prevalence. Surgery, radiotherapy and targeted/biological therapies in addition to chemotherapy are available options for management of this cancer. Met is an appealing target for management of this type of cancer, since it targets many cancer vital processors, such as angiogenesis, cell growth, scattering and differentiation. In this review, we provide an overview about pathway abnormalities associated with melanoma. We also provide a summary about the events involved in Met signaling and related signaling molecules...
January 17, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28107692/rna-binding-protein-msi2-positively-regulates-flt3-expression-in-myeloid-leukemia
#9
Ayuna Hattori, Daniel McSkimming, Natarajan Kannan, Takahiro Ito
FLT3 is frequently mutated and overexpressed in acute myelogenous leukemia (AML) and other hematologic malignancies. Although signaling events downstream of FLT3 receptor tyrosine kinase has been studied in depth, molecular mechanisms of how FLT3 expression is regulated at the post-transcriptional level in particular remain elusive. In this study, we investigated the roles of an RNA binding protein MSI2 as a regulator of FLT3 expression. MSI2 and FLT3 are significantly co-regulated in human AML and chronic myelogenous leukemia in blast crisis (BC-CML)...
January 11, 2017: Leukemia Research
https://www.readbyqxmd.com/read/28107691/plasma-phospholipid-changes-are-associated-with-response-to-chemotherapy-in-non-hodgkin-lymphoma-patients
#10
Zorica Cvetković, Maja Milošević, Bora Cvetković, Romana Masnikosa, Aleksandra Arsić, Snježana Petrović, Vesna Vučić
Limited studies have been performed to associate abnormal phospholipid (PL) profile and disease activity in hematological malignancies, including non-Hodgkin lymphoma (NHL). The aim of his study was to evaluate the levels of plasma PL fractions in NHL patients, in response to chemotherapy. Forty non-treated patients with NHL and 25 healthy individuals were recruited. Blood samples from patients were taken before chemotherapy, after 3 cycles and after the end of the treatment, and PL fractions were resolved by one-dimensional thin-layer chromatography...
January 5, 2017: Leukemia Research
https://www.readbyqxmd.com/read/28107677/sensitization-of-melanoma-cells-to-alkylating-agent-induced-dna-damage-and-cell-death-via-orchestrating-oxidative-stress-and-ikk%C3%AE-inhibition
#11
Anfernee Kai-Wing Tse, Ying-Jie Chen, Xiu-Qiong Fu, Tao Su, Ting Li, Hui Guo, Pei-Li Zhu, Hiu-Yee Kwan, Brian Chi-Yan Cheng, Hui-Hui Cao, Sally Kin-Wah Lee, Wang-Fun Fong, Zhi-Ling Yu
Nitrosourea represents one of the most active classes of chemotherapeutic alkylating agents for metastatic melanoma. Treatment with nitrosoureas caused severe systemic side effects which hamper its clinical use. Here, we provide pharmacological evidence that reactive oxygen species (ROS) induction and IKKβ inhibition cooperatively enhance nitrosourea-induced cytotoxicity in melanoma cells. We identified SC-514 as a ROS-inducing IKKβ inhibitor which enhanced the function of nitrosoureas. Elevated ROS level results in increased DNA crosslink efficiency triggered by nitrosoureas and IKKβ inhibition enhances DNA damage signals and sensitizes nitrosourea-induced cell death...
January 12, 2017: Redox Biology
https://www.readbyqxmd.com/read/28107664/safety-and-efficacy-of-cardiopoietic-stem-cells-in-the-treatment-of-post-infarction-left-ventricular-dysfunction-from-cardioprotection-to-functional-repair-in-a-translational-pig-infarction-model
#12
Maximilian Y Emmert, Petra Wolint, Andras Jakab, Sean P Sheehy, Francesco S Pasqualini, Thi Dan Linh Nguyen, Monika Hilbe, Burkhardt Seifert, Benedikt Weber, Chad E Brokopp, Dominika Macejovska, Etem Caliskan, Arnold von Eckardstein, Ruth Schwartlander, Viola Vogel, Volkmar Falk, Kevin Kit Parker, Mariann Gyöngyösi, Simon P Hoerstrup
To date, clinical success of cardiac cell-therapies remains limited. To enhance the cardioreparative properties of stem cells, the concept of lineage-specification through cardiopoietic-guidance has been recently suggested. However, so far, only results from murine studies and from a clinical pilot-trial in chronic heart-failure (CHF) are available, while systematic evidence of its therapeutic-efficacy is still lacking. Importantly, also no data from large animals or for other indications are available. Therefore, we here investigate the therapeutic-efficacy of human cardiopoietic stem cells in the treatment of post-infarction LV-dysfunction using a translational pig-model...
November 23, 2016: Biomaterials
https://www.readbyqxmd.com/read/28107662/a-simple-and-powerful-co-delivery-system-based-on-ph-responsive-metal-organic-frameworks-for-enhanced-cancer-immunotherapy
#13
Fei Duan, Xiaochen Feng, Xinjian Yang, Wentong Sun, Yi Jin, Huifang Liu, Kun Ge, Zhenhua Li, Jinchao Zhang
Tumor-associated antigens (TAAs)-loaded nanoparticles are able to be actively internalized by antigen-presenting cells (APCs) and have shown promising potential in cancer immunotherapy. However, current TAAs delivery strategy exhibits limitations of complicated synthesis process, low loading efficiency and inefficient CD8(+) cytotoxic T lymphocyte activation leading to unsatisfactory therapeutic effect. Thus, the construction of novel TAAs-delivery systems for enhanced cancer therapy is highly desirable. In this work, we fabricated a very simple yet powerful antigens-delivery system for cancer immunotherapy based-on pH-responsive metal-organic frameworks (MOFs) with size about 30 nm...
January 11, 2017: Biomaterials
https://www.readbyqxmd.com/read/28107661/targeting-nf-kb-signaling-with-polymeric-hybrid-micelles-that-co-deliver-sirna-and-dexamethasone-for-arthritis-therapy
#14
Qin Wang, Hao Jiang, Yan Li, Wenfei Chen, Hanmei Li, Ke Peng, Zhirong Zhang, Xun Sun
The transcription factor NF-kB plays a pivotal role in the pathogenesis of rheumatoid arthritis. Here we attempt to slow arthritis progression by co-delivering the glucocorticoid dexamethasone (Dex) and small-interfering RNA targeting NF-kB p65 using our previously developed polymeric hybrid micelle system. These micelles contain two similar amphiphilic copolymers: polycaprolactone-polyethylenimine (PCL-PEI) and polycaprolactone-polyethyleneglycol (PCL-PEG). The hybrid micelles loaded with Dex and siRNA effectively inhibited NF-kB signaling in murine macrophages more efficiently than micelles containing either Dex or siRNA on their own...
January 11, 2017: Biomaterials
https://www.readbyqxmd.com/read/28107643/does-psychological-well-being-change-following-treatment-an-exploratory-study-on-outpatients-with-eating-disorders
#15
Elena Tomba, Lucia Tecuta, Romana Schumann, Donatella Ballardini
Psychological well-being changes following cognitive-behavioral therapy-based treatment were investigated in outpatients with eating disorders (ED). While it is known that CBT reduces symptomatology in EDs, less is known about how changes in positive functioning may ensue. One-hundred and eighty five ED outpatients were analyzed for pre-treatment and post-treatment changes in psychological well-being (PWB) by last observation carried forward - Wilcoxon signed rank tests. Significant gains in all PWB dimensions were found, with moderate effect size correlations in environmental mastery (r=-...
January 7, 2017: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/28107631/overcoming-the-heat-endurance-of-tumor-cells-by-interfering-the-anaerobic-glycolysis-metabolism-for-improved-photothermal-therapy
#16
Wei-Hai Chen, Guo-Feng Luo, Qi Lei, Sheng Hong, Wen-Xiu Qiu, Li-Han Liu, Si-Xue Cheng, Xian-Zheng Zhang
In this study, we developed a general method to decorate plasmonic gold nanorods (GNRs) with a CD44-targeting functional polymer, containing hyaluronic acid (HA) targeting moiety and a small molecule Glut1 inhibitor of diclofenac (DC), to obtain GNR/HA-DC. This nanosystem exhibited the superiority of selectively sensitizing tumor cells for photothermal therapy (PTT) by inhibiting the unique anaerobic glycolysis. Upon specifically targeting CD44, sequentially time-dependent DC release could be achieved by the trigger of hyaluronidase (HAase), which abundantly existed in tumor tissue...
January 20, 2017: ACS Nano
https://www.readbyqxmd.com/read/28107629/discovery-of-1-2-3-triazole-derivatives-for-multimodality-pet-ct-cryoimaging-of-myelination-in-the-central-nervous-system
#17
Chunying Wu, Brendan Eck, Sheng Zhang, Junqing Zhu, Anand Dev Tiwari, Yifan Zhang, Yunjie Zhu, Jinming Zhang, Bin Wang, Xizhen Wang, Xu Wang, Jingqiang You, Jian Wang, Yihui Guan, Xingdang Liu, Xin Yu, Bruce D Trapp, Robert Miller, Jerry Silver, David Wilson, Yanming Wang
Myelin pathology is present in many neurological conditions such as multiple sclerosis (MS) and traumatic spinal cord injury (SCI). To facilitate development of novel therapies aimed at myelin repair, we set out to develop imaging agents that permit direct quantification of myelination in vivo. In this work, we designed and synthesized a series of fluorescent fluorinated myelin imaging agents that can be used for in vivo positron emission tomography (PET) imaging combined with subsequent post-mortem fluorescent cryoimaging...
January 20, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28107607/epidemiology-update-for-hepatitis-c-virus-and-hepatitis-b-virus-in-end-stage-renal-disease-in-france-r%C3%A3-seau-epid%C3%A3-miologique-et-information-en-n%C3%A3-phrologie-registry
#18
Corinne Isnard Bagnis, Cécile Couchoud, Marc Bowens, Ayman Sarraj, Gilbert Deray, Jérôme Tourret, Patrice Cacoub, Sophie Tezenas du Montcel
BACKGROUND AND AIMS: Risk for HCV/HBV infection is increased in ESRD patients. We generate updated epidemiological data. METHODS: Based on the National French registry for ESRD, we extracted data for patients who started dialysis or preemptive transplantation between January, 2005 and December, 2013. A positive serum HBs Ag and/or a positive HCV RNA defined HBV and HCV infections, respectively. RESULTS: 72,948 patients were included among which 62...
January 20, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28107601/predictors-of-liver-histological-changes-and-a-sustained-response-to-peginterferon-among-chronic-hepatitis-b-e-antigen-positive-patients-with-normal-or-minimally-elevated-alanine-aminotransferase-levels
#19
Jie Chen, Cheng-Run Xu, Min Xi, Wei-Wei Hu, Zheng-Hao Tang, Guo-Qing Zhang
BACKGROUND: A proportion of chronic hepatitis B (CHB) patients with normal or only minimally elevated ALT levels display significant histologic changes, and would benefit from antiviral therapy. OBJECTIVES: We aim to evaluate the histologic abnormalities seen in these patients, and then determine which of them would most likely respond to peginterferon therapy. METHODS: One hundred and thirteen hepatitis B e antigen (HBeAg)-positive patients with a normal or minimally elevated ALT level and moderate to severe histologic changes in their liver tissue were selected to receive peginterferon monotherapy and participate in a followup analysis...
January 20, 2017: Journal of Viral Hepatitis
https://www.readbyqxmd.com/read/28107595/chromogranin-a-and-neurone-specific-enolase-variations-during-the-first-three-months-of-abiraterone-therapy-predict-outcomes-in-patients-with-metastatic-castration-resistant-prostate-cancer
#20
Liancheng Fan, Yanqing Wang, Chi Chenfei, Jiahua Pan, Xun Shangguan, Zhixiang Xin, Jianian Hu, Zhou Lixin, Baijun Dong, Wei Xue
OBJECTIVE: To determine the prognostic factors of circulating chromogranin A (CgA) and neurone-specific enolase (NSE) variations during the first 3 months of abiraterone Acetate (AA) treatment in metastatic castration-resistant prostate cancer (mCRPC) patients. PATIENTS AND METHODS: The serum levels of CgA, NSE were measured at baseline and after 3 months of AA treatments in 40 mCRPC patients. Outcome measures were PSA progression-free survival (PSA-PFS), radiographic PFS (rPFS) and overall survival (OS)...
January 20, 2017: BJU International
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