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Gastric lymphoma

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https://www.readbyqxmd.com/read/29344198/combination-of-cecropinxj-and-ly294002-induces-synergistic-cytotoxicity-and-apoptosis-in-human-gastric-cancer-cells-via-inhibition-of-the-pi3k-akt-signaling-pathway
#1
Li-Jie Xia, Yan-Ling Wu, Fu-Chun Zhang
The aim of the present study was to investigate the cytotoxic and apoptotic effects of cecropinXJ against human gastric cancer BGC823 cells, either alone, or in combination with a specific phosphatidylinositol 3-kinase (PI3K) inhibitor, LY294002. Cell viability and the apoptosis rate were measured using flow cytometry with Annexin-V staining. Additionally, the expression levels of several RAC-α serine/threonine kinase (Akt) phosphorylation-associated proteins and apoptosis-regulating proteins were evaluated by western blot analysis...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29344114/hnf-4%C3%AE-promotes-multidrug-resistance-of-gastric-cancer-cells-through-the-modulation-of-cell-apoptosis
#2
Yubo Ma, Xufu Wei, Zhongjun Wu
Multidrug resistance (MDR) typically leads to treatment failure, and is associated with disease progression of gastric cancer (GC). In the present study, a total of 15 aberrantly activated transcription factors (TFs) were detected in chemo-resistant GC cells using a TF Activation Profiling Plate Array. Among these TFs, hepatocyte nuclear factor (HNF)-4α was significantly upregulated in multidrug-resistant GC cells (P=0.019). The overexpression of HNF-4α was able to cause resistance to multiple chemotherapeutics, whereas inhibition of HNF-4α appeared to reverse cancer cell resistance...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29340761/long-term-efficacy-and-toxicity-of-rituximab-plus-fludarabine-and-mitoxantrone-r-fm-for-gastric-marginal-zone-lymphoma-a-single-center-experience-and-literature-review
#3
Emanuele Cencini, Alberto Fabbri, Francesco Lauria, Monica Bocchia
There is no consensus about the best treatment option for patients with HP-negative gastric MALT lymphomas or persistent disease after HP eradication.We have investigated fludarabine and mitoxantrone with rituximab (R-FM) as first-line treatment. A cohort of 13 patients was analyzed. Induction treatment consisted of fludarabine (25 mg/m2 i.v. on days 2 to 4), mitoxantrone (10 mg/m2 i.v. on day 2), and rituximab (375 mg/m2 i.v. on day 1), for up to six cycles every 28 days. All patients achieved a complete remission, a median of four cycles was given...
January 16, 2018: Annals of Hematology
https://www.readbyqxmd.com/read/29329964/is-quality-of-registry-treatment-data-related-to-registrar-experience-and-workload-a-study-of-taiwan-cancer-registry-data
#4
Chin-Ying Cheng, Chun-Ju Chiang, Cheng-Hsing Hsieh, You-Kang Chang, Mei-Shu Lai
BACKGROUND: Although cancer treatment information has been collected through the Cancer Registry system in Taiwan for more than 10 years, the accuracy of such data has never been evaluated. This study examined the accuracy rate between registrar experience and on-site chart review for the first course of cancer treatment. METHODS: In this retrospective chart review study, 392 randomly selected medical records from 14 hospitals were re-abstracted by experienced abstractors...
January 10, 2018: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/29327534/gastric-angioinvasive-mucormycosis-in-immunocompetent-adult-a-rare-occurrence
#5
Mukesh Nasa, Zubin Sharma, Lipika Lipi, Randhir Sud
Mucormycosis is a rare, opportunistic fungal infection that occurs almost exclusively in immunocompromised hosts such as patients with diabetes mellitus, leukemia, lymphoma, renal disease, septicemia, burns, malnutrition, and following long-term treatment with steroids and antibiotics. Based on the clinical presentation and involvement, mucormycosis is classified as six major forms, namely, rhinocerebral, pulmonary, cutaneous, gastrointestinal (GI), disseminated and miscellaneous, with rhinocerebral and pulmonary being the common forms...
December 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/29327533/post-transplant-lymphoproliferative-disorder
#6
G S Chowdhary, Malav Jhala
Post-transplant lymphoproliferative disorders (PTLDs) are life-threatening complications of solid-organ transplantation and bone marrow transplantation leading to a high mortality. PTLD represents a heterogeneous group of lymphoproliferative diseases. They become clinically relevant because of the expansion of transplantation medicine together with the development of potent immunosuppressive drugs associated now with long survival. The risk of PTLD is highest in the early post-transplant period, but the cumulative risk increases with time...
December 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/29324238/immunization-with-recombinant-flid-confers-protection-against-helicobacter-pylori-infection-in-mice
#7
Amir Ghasemi, Nazanin Mohammad, Josef Mautner, Mehrnaz Taghipour Karsabet, Abolfazl Ardjmand, Rezvan Moniri
Nearly half of the world's population is infected with Helicobacter pylori. Clinical manifestations of this infection range from gastritis and peptic ulcers to gastric adenocarcinoma and lymphoma. Due to the emerging of antibiotic resistant strains and poor patient compliance of the antibiotic therapy, there is increasing interest in the development of a protective vaccine against H. pylori infection. The bacterial protein FliD forms a capping structure on the end of each flagellum which is critical to prevent depolymerization and structural degradation...
January 8, 2018: Molecular Immunology
https://www.readbyqxmd.com/read/29314290/oncogene-rna-helicase-ddx6-promotes-the-process-of-c-myc-expression-in-gastric-cancer-cells
#8
Kohei Taniguchi, Ayako Iwatsuki, Nobuhiko Sugito, Haruka Shinohara, Yuki Kuranaga, Yuki Oshikawa, Toshihiro Tajirika, Manabu Futamura, Kazuhiro Yoshida, Kazuhisa Uchiyama, Yukihiro Akao
Human DEAD-box RNA helicase gene DDX6 was cloned from B-cell lymphoma cell line RC-K8. Previously, we reported that DDX6 acts as oncogene in several cancers such as colorectal cancer and hepatocellular carcinoma. However, the detailed mechanism of DDX6 action in carcinogenesis is largely unknown. In this study, we examined the functions of DDX6 in clinical gastric cancer (GC) samples and GC cells. DDX6 protein expression levels of cancer samples were higher than those of the adjacent normal tissues in 25 clinical GC samples (median value: 1...
January 4, 2018: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/29308325/eosinophils-the-unsung-heroes-in-cancer
#9
REVIEW
Gilda Varricchi, Maria Rosaria Galdiero, Stefania Loffredo, Valeria Lucarini, Giancarlo Marone, Fabrizio Mattei, Gianni Marone, Giovanna Schiavoni
Prolonged low-grade inflammation or smoldering inflammation is a hallmark of a cancer. Eosinophils are components of the immune microenvironment that modulates tumor initiation and progression. Although canonically associated with a detrimental role in allergic disorders, these cells can induce a protective immune response against helminthes, viral and bacterial pathogens. Eosinophils are a source of anti-tumorigenic (e.g., TNF-α, granzyme, cationic proteins, and IL-18) and protumorigenic molecules (e.g., pro-angiogenic factors) depending on the milieu...
2018: Oncoimmunology
https://www.readbyqxmd.com/read/29302146/helicobacter-pylori-in-dyspepsia-phenotypic-and-genotypic-methods-of-diagnosis
#10
Vignesh Shetty, Mamatha Ballal, Girisha Balaraju, Shiran Shetty, Ganesh C Pai, Ramachandra Lingadakai
Background: Helicobacter pylori affects almost half of the world's population and therefore is one of the most frequent and persistent bacterial infections worldwide. H. pylori is associated with chronic gastritis, ulcer disease (gastric and duodenal), mucosa-associated lymphoid tissue lymphoma, and gastric cancer. Several diagnostic methods exist to detect infection and the option of one method or another depends on various genes, such as availability, advantages and disadvantages of each method, monetary value, and the age of patients...
October 2017: Journal of Global Infectious Diseases
https://www.readbyqxmd.com/read/29301732/gastrointestinal-lymphomas-french-intergroup-clinical-practice-recommendations-for-diagnosis-treatment-and-follow-up-snfge-ffcd-gercor-unicancer-sfcd-sfed-sfro-sfh
#11
REVIEW
Tamara Matysiak-Budnik, Bettina Fabiani, Christophe Hennequin, Catherine Thieblemont, Georgia Malamut, Guillaume Cadiot, Olivier Bouché, Agnès Ruskoné-Fourmestraux
INTRODUCTION: This document is a summary of the French Intergroup guidelines on the management of gastro-intestinal lymphomas, available on the web-site of the French Society of Gastroenterology, SNFGE (www.tncd.org), updated in September 2017. METHODS: This collaborative work was realised under the auspices of several French medical societies and involved clinicians with specific expertise in the field of gastrointestinal lymphomas, including gastroenterologists, haematologists, pathologists, and radiation oncologist, representing the major French or European clinical trial groups...
December 18, 2017: Digestive and Liver Disease
https://www.readbyqxmd.com/read/29300814/body-mass-index-and-20-specific-cancers-re-analyses-of-dose-response-meta-analyses-of-observational-studies
#12
E K Choi, H B Park, K H Lee, J H Park, M Eisenhut, H J van der Vliet, G Kim, J I Shin
Background: Objectives were to provide an overview and understand the strength of evidence and extent of potential biases and validity of claimed associations between Body Mass Index (BMI) and risk of developing cancer. Methods: We performed an umbrella review and comprehensively re-analysed the data of dose-response meta-analyses on associations between BMI and risk of 20-specific cancers (bladder, brain, breast, colonic, rectal, endometrial, gallbladder, gastric, leukemia, liver, lung, melanoma, multiple myeloma, non-Hodgkins lymphoma, oesophagus, ovarian, pancreatic, prostate, renal, thyroid) by adding big data or missed individual studies...
December 28, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/29296192/dcr3-combined-with-hematological-traits-serves-as-a-valuable-biomarker-for-the-diagnosis-of-cancer-metastasis
#13
Junxin Li, Ni Xie, Jianhui Yuan, Lvyan Liu, Qiming Zhou, Xiaohu Ren, Qian Chen, Guizhong Zhang, Qingguo Ruan, Youhai H Chen, Xiaochun Wan
Decoy receptor 3 (DcR3) is abnormally up-regulated in many cancer cells. It may help cancer cells to escape from immune surveillance and establish metastatic lesions. However, whether DcR3 can be used as a biomarker for the diagnosis of cancer metastasis is unclear. In this study, sera from healthy controls and patients with different cancers were collected, and tested for their DcR3 levels by ELISA. Significantly elevated DcR3 levels were observed in the sera of patients with gastric cancer (2.04 ± 1.01, P = 0...
December 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/29290192/demographics-and-outome-in-paediatric-non-hodgkin-lymphoma-single-centre-experience-at-the-children-hospital-lahore-pakistan
#14
Mahwish Faizan, Saadia Anwar, Safia Khan
OBJECTIVE: To describe the patient demographics and outcome analysis in paediatric non-Hodgkin lymphoma (NHL) patients. STUDY DESIGN: An observational study. PLACE AND DURATION OF STUDY: The Hematology/Oncology Unit of The Children's Hospital and Institute of Child Health, Lahore, from January 2012 till December 2014. METHODOLOGY: Demographics including age, gender, histopathology, stage and outcome data, in biopsy proven NHL patients were analyzed...
January 2018: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/29245266/gastric-burkitt-lymphoma-a-case-report-and-literature-review
#15
Simona Gurzu, Tivadar Bara, Tivadar Jr Bara, Mihai Turcu, Ciprian Valentin Mardare, Ioan Jung
RATIONALE: Burkitt lymphoma (BL) is an endemic tumor in Africa but rare sporadic cases are diagnosed in Europe. PATIENT CONCERNS: A 60-year-old woman was hospitalized with fulminant hematemesis and a history of recurring melena. DIAGNOSES: The upper gastrointestinal endoscopy revealed a tumor of the antrum. INTERVENTIONS: Emergency gastrectomy was performed. OUTCOMES: Gross findings revealed an ulcerated tumor with elevated margins and several perigastric and extragastric lymph nodes...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29225710/novel-developments-in-the-pathogenesis-and-diagnosis-of-extranodal-marginal-zone-lymphoma
#16
REVIEW
Max I Schreuder, Michiel van den Brand, Konnie M Hebeda, Patricia J T A Groenen, J Han van Krieken, Blanca Scheijen
Extranodal marginal zone lymphoma (EMZL), mostly represented by mucosa-associated lymphoid tissue (MALT) type, also referred to as MALT lymphoma, is a clinically heterogeneous entity within the group of low-grade B cell lymphomas that arises in a wide range of different extranodal sites, including the stomach, lung, ocular adnexa, and skin. It represents the third most common non-Hodgkin lymphoma in the Western world, and the median age of occurrence is around 60 years. One characteristic aspect in a subset of EMZL detectable in about 25% of the cases is the presence of specific chromosomal translocations involving the genes MALT1 and BCL10, which lead to activation of the NF-κB signaling pathway...
December 2017: Journal of Hematopathology
https://www.readbyqxmd.com/read/29211362/clinical-differences-of-helicobacter-pylori-infection-in-children
#17
REVIEW
Barbara M Iwańczak, Anna M Buchner, Franciszek Iwańczak
Helicobacter pylori infection is widely spread all over the world. The prevalence of H. pylori infection in the world varies and depends on numerous factors such as age, ethnicity, geographical and socioeconomic status. Humans have been in a symbiotic relationship with this bacterium for thousands of years. However 10-20% of people infected with H. pylori are likely to develop gastroduodenal diseases such as peptic ulcer disease, iron deficiency anemia, gastric mucosal atrophy, metaplasia, dysplasia, MALT lymphoma, or gastric adenocarcinoma...
October 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/29209918/molecular-classification-and-precision-therapy-of-cancer-immune-checkpoint-inhibitors
#18
Yingyan Yu
On May 23, 2017, the US Food and Drug Administration (FDA) approved a treatment for cancer patients with positive microsatellite instability-high (MSI-H) markers or mismatch repair deficient (dMMR) markers. This approach is the first approved tumor treatment using a common biomarker rather than specified tumor locations in the body. FDA previously approved Keytruda for treatment of several types of malignancies, such as metastatic melanoma, metastatic non-small-cell lung cancer, recurrent or metastatic head and neck cancer, refractory Hodgkin lymphoma, and urothelial carcinoma, all of which carry positive programmed death-1/programmed death-ligand 1 biomarkers...
December 5, 2017: Frontiers of Medicine
https://www.readbyqxmd.com/read/29207147/effect-and-mechanism-of-rnai-targeting-wwtr1-on-biological-activity-of-gastric-cancer-cells-sgc7901
#19
Yuan Li, Fang-Liang Yang, Chun-Fu Zhu, Li-Ming Tang
Gastric cancer (GC) is one of the most common malignancies in the world. It is essential to develop novel targets and therapeutic approaches for GC, which requires identification of novel functional molecules. WW‑domain containing transcription regulator 1 (WWTR1) may activate many transcriptional factors and exhibit an important role in the development of various tissues in mammals. The results of the present study demonstrated that mRNA and protein levels of WWTR1 are increased in GC tissues and cell lines...
December 5, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29199594/dna-double-strand-breaks-caused-by-different-microorganisms-a-special-focus-on-helicobacter-pylori
#20
Pinar Erkekoglu, Didem Oral, Belmar Kocer-Gumusel, Ming-Wei Chao
The association between inflammation and cancer has long been recognized. Several studies have found that different types of tumors develop at sites of chronic inflammation. It is stated that over 15%-20% of malignancies worldwide can be related to infections caused by viruses, bacteria, and schistosomes. Inflammatory conditions are characterized by overexpression of inducible nitric oxide synthase (iNOS) and overproduction of nitric oxide/reactive nitrogen species (ROSs/RNSs) in epithelial cells. Reactive oxygen species (ROSs) may also lead to cellular alterations and eventually to inflammation...
2017: Journal of Environmental Pathology, Toxicology and Oncology
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