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Gastric lymphoma

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https://www.readbyqxmd.com/read/29779412/primary-gastric-lymphoma-epidemiology-clinical-diagnosis-and-treatment
#1
Luis Miguel Juárez-Salcedo, Lubomir Sokol, Julio C Chavez, Samir Dalia
Primary gastric lymphoma (PGL) is the most common extranodal non-Hodgkin lymphoma and represents a wide spectrum of disease, ranging from indolent low-grade marginal zone lymphoma or mucosa-associated lymphoid tissue (MALT) lymphoma to aggressive diffuse large B-cell lymphoma. The PGL is a relatively rare cancer and easily misdiagnosed due to its unspecific symptoms of the digestive tract. The medical literature and ongoing clinical trials were reviewed on the clinical presentation, diagnosis, prognosis, prevention, and treatment of PGL...
January 2018: Cancer Control: Journal of the Moffitt Cancer Center
https://www.readbyqxmd.com/read/29779320/-synchronous-lymphoma-and-carcinoma-clinical-analyses-of-17-patients
#2
Y Y Xiong, Z J Liu, L Chen, F F Yuan, Q S Yin, R H Mi, B Zhang, J W Du, Q L Zhang, Q D Lin, L N Zhang, X Gao, L H Dong, Y F Li, Y P Song, X D Wei
Objective: To explore the clinical features of patients with synchronous lymphoma and carcinoma. Methods: The clinical data of 17 patients with Synchronous lymphoma and carcinoma from February 2012 to October 2017 were analyzed retrospectively. Results: Among 17 patients of lymphoma, 1 case HL, 2 cases B-NHL, 6 cases MZBL, 3 cases DLBCL, 1 case mantle cell lymphoma (MCL) , 3 cases NK/T- cell lymphoma, 1 case anaplastic large cell lymphoma(ALCL). In terms of 17 patients with carcinoma, 3 cases esophageal carcinoma, 3 cases gastric carcinoma, 2 cases colorectal carcinoma, 7 cases thyroid carcinoma, 1 case hepatocellular carcinoma and lung cancer...
April 14, 2018: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/29771410/g-quadruplex-antibody-attenuates-human-gastric-cancer-cell-proliferation-and-promotes-apoptosis-through-htert-telomerase-pathway
#3
Y-Q Zhang, J-H Pei, S-S Shi, J Zheng, J-M Wang, X-S Guo, G-Y Cui, X-Y Wang, H-P Zhang, W-Q Hu
OBJECTIVE: To investigate the expression of G-quadruplex antibody BG4 in human gastric cancer AGS cells and assess its functions in attenuating proliferation and promoting apoptosis in gastric cancer. MATERIALS AND METHODS: BG4 high-expression gastric cancer AGS cell line was established by pEGFP-N1-BG4 transient transfection. AGS cells transfected with pEGFP-N1 plasmids were included into the pEGFP-N1 group and those not transfected with plasmids were included into the negative control group...
May 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29766790/malt-lymphoma-stress-ulcer-and-cholinergic-nerves-from-the-viewpoint-of-bilateral-and-unilateral-truncal-vagotomy-and-substance-p
#4
Yosuke Kodama, Kazuki Sasaki, Futa Murasato, Anders Øverby, Shinichi Takahashi, Somay Y Murayama, Hidenori Matsui, Masahiko Nakamura
BACKGROUND: Vagal nerve plays an important role in the stomach function. The cholinergic nerves are the most abundantly distributed nerves in the gastric tissue. It has recently been reported that the vagal nerve is significantly related to both gastric cancer development and progression. However, its relation to the mesenchymal tumor, including MALT lymphoma, is not known. In this study, we investigated the effect of unilateral truncal vagotomy on gastric MALT lymphoma development by using Helicobacter heilmannii-infected mouse model as well as that of bilateral truncal vagotomy on stress-induced ulcer formation...
May 15, 2018: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/29765376/immunization-with-fc-based-recombinant-epstein-barr-virus-gp350-elicits-potent-neutralizing-humoral-immune-response-in-a-balb-c-mice-model
#5
Bingchun Zhao, Xiao Zhang, Claude Krummenacher, Shuo Song, Ling Gao, Haojiong Zhang, Miao Xu, Lin Feng, Qisheng Feng, Musheng Zeng, Yuting Xu, Yixin Zeng
Epstein-Barr virus (EBV) was the first human virus proved to be closely associated with tumor development, such as lymphoma, nasopharyngeal carcinoma, and EBV-associated gastric carcinoma. Despite many efforts to develop prophylactic vaccines against EBV infection and diseases, no candidates have succeeded in effectively blocking EBV infection in clinical trials. Previous investigations showed that EBV gp350 plays a pivotal role in the infection of B-lymphocytes. Nevertheless, using monomeric gp350 proteins as antigens has not been effective in preventing infection...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29765142/targeted-deep-sequencing-of-gastric-marginal-zone-lymphoma-identified-alterations-of-traf3-and-tnfaip3-that-were-mutually-exclusive-for-malt1-rearrangement
#6
Jiyeon Hyeon, Boram Lee, So-Hyun Shin, Hae Yong Yoo, Seok Jin Kim, Won Seog Kim, Woong-Yang Park, Young-Hyeh Ko
Gastric extranodal marginal zone lymphoma of mucosa-associated lymphoid tissue is a distinct entity in that Helicobacter pylori infection plays the most important causative role in the development of the disease. To investigate the genomic alteration in gastric marginal zone lymphoma that was resistant to the H. pylori eradication therapy, we analyzed 19 cases of the gastric marginal zone lymphoma using fluorescence in situ hybridization for MALT1, BCL10 rearrangement, and targeted sequencing using an Illumina platform...
May 15, 2018: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29735759/measurement-of-internal-ph-in-helicobacter-pylori-by-using-green-fluorescent-protein-fluorimetry
#7
Yi Wen, David R Scott, Olga Vagin, Elmira Tokhtaeva, Elizabeth A Marcus, George Sachs
Helicobacter pylori is an organism known to colonize the normal human stomach. Previous studies have shown that the bacterium does this by elevating its periplasmic pH via the hydrolysis of urea. However, the value of the periplasmic pH was calculated indirectly from the proton motive force equation. To measure the periplasmic pH directly in H. pylori , we fused EGFP to the predicted twin arginine-signal peptides of HydA and KapA from H. pylori , and TorA from E. coli The fusion proteins were expressed in the H...
May 7, 2018: Journal of Bacteriology
https://www.readbyqxmd.com/read/29732319/epstein-barr-virus-in-gliomas-cause-association-or-artifact
#8
REVIEW
Saghir Akhtar, Semir Vranic, Farhan Sachal Cyprian, Ala-Eddin Al Moustafa
Gliomas are the most common malignant brain tumors and account for around 60% of all primary central nervous system cancers. Glioblastoma multiforme (GBM) is a grade IV glioma associated with a poor outcome despite recent advances in chemotherapy. The etiology of gliomas is unknown, but neurotropic viruses including the Epstein-Barr virus (EBV) that is transmitted via salivary and genital fluids have been implicated recently. EBV is a member of the gamma herpes simplex family of DNA viruses that is known to cause infectious mononucleosis (glandular fever) and is strongly linked with the oncogenesis of several cancers, including B-cell lymphomas, nasopharyngeal, and gastric carcinomas...
2018: Frontiers in Oncology
https://www.readbyqxmd.com/read/29729943/phenotype-penetrance-and-treatment-of-133-ctla-4-insufficient-individuals
#9
Charlotte Schwab, Annemarie Gabrysch, Peter Olbrich, Virginia Patiño, Klaus Warnatz, Daniel Wolff, Akihiro Hoshino, Masao Kobayashi, Kohsuke Imai, Masatoshi Takagi, Ingunn Dybedal, Jamanda A Haddock, David Sansom, Jose M Lucena, Maximilian Seidl, Annette Schmitt-Gräff, Veronika Reiser, Florian Emmerich, Natalie Frede, Alla Bulashevska, Ulrich Salzer, Desirée Schubert, Seiichi Hayakawa, Satoshi Okada, Maria Kanariou, Zeynep Yesim Kucuk, Hugo Chapdelaine, Lenka Petruzelkova, Zdenek Sumnik, Anna Sediva, Mary Slatter, Peter D Arkwright, Andrew Cant, Hanns-Martin Lorenz, Thomas Giese, Vassilios Lougaris, Alessandro Plebani, Christina Price, Kathleen E Sullivan, Michel Moutschen, Jiri Litzman, Tomas Freiberger, Frank L van de Veerdonk, Mike Recher, Michael H Albert, Fabian Hauck, Suranjith Seneviratne, Jana Pachlopnik Schmid, Antonios Kolios, Gary Unglik, Christian Klemann, Carsten Speckmann, Stephan Ehl, Alan Leichtner, Richard Blumberg, Andre Franke, Scott Snapper, Sebastian Zeissig, Charlotte Cunningham-Rundles, Lisa Giulino-Roth, Olivier Elemento, Gregor Dückers, Tim Niehues, Eva Fronkova, Veronika Kanderová, Craig D Platt, Janet Chou, Talal Chatila, Raif Geha, Elizabeth McDermott, Su Bunn, Monika Kurzai, Ansgar Schulz, Laia Alsina, Ferran Casals, Angela Deyà-Martinez, Sophie Hambleton, Hirokazu Kanegane, Kjetil Taskén, Olaf Neth, Bodo Grimbacher
BACKGROUND: Cytotoxic-T-lymphocyte-antigen-4 (CTLA-4) is a negative immune regulator. Heterozygous CTLA4 germline mutations can cause a complex immune dysregulation syndrome in humans. OBJECTIVE: To characterize the penetrance, the clinical features and the best treatment options in 133 CTLA4 mutation carriers. METHODS: Genetics, clinical features, laboratory values, and outcome of treatment options were assessed in a worldwide cohort of CTLA4 mutation carriers...
May 3, 2018: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29726283/lactobacillus-plantarum-is-10506-activates-intestinal-stem-cells-in-a-rodent-model
#10
A F Athiyyah, A Darma, R Ranuh, W Riawan, A Endaryanto, F A Rantam, I S Surono, S M Sudarmo
This study investigated the probiotic effect of Lactobacillus plantarum IS-10506 in activating and regenerating leucine-rich repeat-containing G-protein-coupled receptor (Lgr)5- and B lymphoma Moloney murine leukaemia virus insertion region (Bmi)1-expressing intestinal stem cells in rodents following Escherichia coli serotype 055:B5 lipopolysaccharide (LPS) exposure. Male Sprague-Dawley rats (n=64) were randomised into control (KN), LPS (KL), probiotic + LPS (KL-Pr), and sequential probiotic + LPS + probiotic (KPR-7L) groups...
May 4, 2018: Beneficial Microbes
https://www.readbyqxmd.com/read/29725501/the-untold-stories-of-the-speech-gene-the-foxp2-cancer-gene
#11
REVIEW
Maria Jesus Herrero, Yorick Gitton
FOXP2 encodes a transcription factor involved in speech and language acquisition. Growing evidence now suggests that dysregulated FOXP2 activity may also be instrumental in human oncogenesis, along the lines of other cardinal developmental transcription factors such as DLX5 and DLX6 [1-4]. Several FOXP familymembers are directly involved during cancer initiation, maintenance and progression in the adult [5-8]. This may comprise either a pro-oncogenic activity or a deficient tumor-suppressor role, depending upon cell types and associated signaling pathways...
January 2018: Genes & Cancer
https://www.readbyqxmd.com/read/29725459/mapk-c-jun-signaling-pathway-contributes-to-the-upregulation-of-the-anti-apoptotic-proteins-bcl-2-and-bcl-xl-induced-by-epstein-barr-virus-encoded-barf1-in-gastric-carcinoma-cells
#12
Yuqiong Zhang, Meiqin Xu, Xueyi Zhang, Fuying Chu, Tianji Zhou
BARF1 , encoded by Epstein-Barr virus (EBV), has been hypothesized to function as an oncogene, which was expressed in gastric carcinoma cells. Additionally, it has been reported that the anti-apoptotic function is closely associated with the expression of the B-cell lymphoma-2 (Bcl-2) protein. In addition, the signaling pathway has been reported to be involved in numerous diseases, including the mitogen-activated protein kinase (MAPK) cascade. In order to study the specific mechanism of anti-apoptotic function, BARF1 -stably-expressing immortalized normal human embryo gastric epithelial cell line GES1 (GES- BARF1 ), and well-, moderately- and poorly-differentiated gastric carcinoma cell lines, MKN28 (which has been reported to be contaminated with the moderately-differentiated MKN74 gastric carcinoma cell line), SGC7901 and BGC823 (MKN- BARF1 , SGC- BARF1 and BGC- BARF1 , respectively) (GCC- BARF1 ) were constructed, with transfection of cells with the empty vector pSG5 acting as controls...
May 2018: Oncology Letters
https://www.readbyqxmd.com/read/29719817/the-role-of-epstein-barr-virus-in-cervical-cancer-a-brief-update
#13
REVIEW
Semir Vranic, Farhan Sachal Cyprian, Saghir Akhtar, Ala-Eddin Al Moustafa
Epstein-Barr virus (EBV) belongs to the group of gamma-herpes viruses and was the first recognized human oncovirus. EBV is responsible for infectious mononucleosis and multiple lymphoid and epithelial malignancies including B-cell lymphomas (Burkitt lymphoma, Hodgkin lymphoma, and post-transplant lymphoproliferative disorder), various T-cell/NK lymphoproliferative disorders, nasopharyngeal carcinoma, and gastric carcinoma, respectively. In addition, the presence of EBV has been documented in other cancers including breast, prostate, oral, and salivary gland carcinomas...
2018: Frontiers in Oncology
https://www.readbyqxmd.com/read/29703467/morbidity-mortality-and-costs-associated-with-venous-thromboembolism-in-hospitalized-patients-with-cancer
#14
Gary H Lyman, Eva Culakova, Marek S Poniewierski, Nicole M Kuderer
BACKGROUND: Venous thromboembolism (VTE) represents a leading cause of morbidity and mortality among patients with cancer. METHODS: Hospitalization data reported on adult cancer patients at US medical centers between 1995 and 2012 were analyzed. Cancer diagnosis, presence of VTE, comorbidities, and infectious complications were based on ICD-9-CM codes. RESULTS: Nearly six million hospitalizations of 3,146,388 individual patients with cancer were reported with VTE observed in 8...
April 2018: Thrombosis Research
https://www.readbyqxmd.com/read/29701187/-effects-of-7-difluoromethy-5-4-dimethoxygenistein-on-stress-urinary-incontinence-model-in-rats-and-its-mechanisms
#15
Aiqiong Tang, Jun Luo
To investigate the effects of 7-difluoromethy-5, 4'-dimethoxygenistein (DFMG) on stress urinary incontinence (SUI) model in Sprague Dawley (SD) rats and its possible mechanisms.
 Methods: SD rat model of SUI was established through simulating pregnancy, birth trauma and ovarian castration. The rats were divided into a normal control group, a SUI group, and a DFMG group at 10 or 20 mg/kg. They were treated with 10 mg/kg normal saline (NS), 10 mg/kg NS, 10 mg/kg DFMG and 20 mg/kg DFMG, respectively, via gastric gavage every other day...
March 28, 2018: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/29695516/phase-1-study-of-the-pi3k%C3%AE-inhibitor-incb040093-%C3%A2-jak1-inhibitor-itacitinib-in-relapsed-refractory-b-cell-lymphoma
#16
Tycel J Phillips, Andres Forero-Torres, Taimur Sher, Catherine S Diefenbach, Patrick Johnston, Moshe Talpaz, Jennifer Pulini, Li Zhou, Peggy Scherle, Xuejun Chen, Paul M Barr
Because both phosphatidylinositol 3-kinase δ (PI3Kδ) and Janus kinase (JAK)-signal transducer and activator of transcription pathways contribute to tumor cell proliferation and survival in B-cell malignancies, their simultaneous inhibition may provide synergistic treatment efficacy. This phase 1 dose-escalation/expansion study assessed the safety, efficacy, pharmacokinetics, and pharmacodynamics of INCB040093, a selective PI3Kδ inhibitor, as monotherapy or combined with itacitinib (formerly INCB039110), a selective JAK1 inhibitor, in adult patients with relapsed or refractory (R/R) B-cell lymphomas...
April 25, 2018: Blood
https://www.readbyqxmd.com/read/29694656/t-cell-histiocyte-rich-large-b-cell-lymphoma-of-stomach-a-rare-variant-of-gastric-b-cell-lymphoma
#17
Alia Zehani, Yoldez Houcine, Ines Chelly, Slim Haouet, Nidhameddine Kchir
No abstract text is available yet for this article.
July 2017: La Tunisie Médicale
https://www.readbyqxmd.com/read/29692893/management-of-gastrosplenic-fistula-in-the-emergency-setting-a-case-report-and-review-of-the-literature
#18
Amit Frenkel, Yoav Bichovsky, Zvi H Perry, Jochanan Peiser, Aviel Roy-Shapira, Evgeni Brotfain, Leonid Koyfman, Yair Binyamin, Karen Nalbandyan, Moti Klein
Introduction: A gastrosplenic fistula (GSF) is a very rare complication that arises mainly from a splenic or gastric large cell lymphoma. The proximity of the gastric fundus to the enlarged fragile spleen may facilitate the fistulisation. This complication can lead to massive bleeding, which, though uncommon, may be lethal. We present a patient with massive upper gastrointestinal bleeding secondary to a GSF. Case presentation: We present a 48-year-old man with a refractory diffuse large B-cell lymphoma who was admitted to our hospital due to hematemesis...
May 2018: Annals of Medicine and Surgery
https://www.readbyqxmd.com/read/29682464/gastric-inflammatory-fibroid-polyp-tumor-with-acute-intestinal-obstruction-vanek-s-tumor-can-mimick-a-giant-gastrointestinal-stromal-tumor-or-a-gastric-lymphoma
#19
Francesco Fleres, Carmelo Mazzeo, Antonio Ieni, Maurizio Rossitto, Eugenio Cucinotta
An inflammatory fibroid polyp (IFP) is a solitary rare benign neoplasm of the gastrointestinal tract, frequently located in the gastric antrum. IFPs account for about 0.1% of all gastric polyps. We report a case of a giant gastric inflammatory polyp of 2.5 cm × 7 cm that determines a gastric outlet obstruction called "ball valve syndrome" mimicking a gastrointestinal stromal tumor (GIST) and a gastric lymphoma, with an intestinal obstruction of high origin. Therefore, due to acute presentation we have decided to submit the patient to a subtotal gastrectomy...
2018: Journal of Visualized Surgery
https://www.readbyqxmd.com/read/29682242/eradication-of-helicobacter-pylori-in-iran-a-review
#20
REVIEW
Hafez Fakheri, Mehdi Saberi Firoozi, Zohreh Bari
Helicobacter pylori (H. pylori) infection is one of the most common bacterial infections, affecting almost half of the world's population. It is associated with peptic ulcer disease, gastric adenocarcinoma, and lymphoma. In Iran, the prevalence of H. pylori infection has been reported to be between 36% and 90% in different geographic regions. Several studies have assessed the efficacy of different therapeutic options for firstline and second-line H. pylori eradication in Iran; however, the results are conflicting...
January 2018: Middle East Journal of Digestive Diseases
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