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https://www.readbyqxmd.com/read/29792955/fisetin-alleviates-oxidative-stress-after-traumatic-brain-injury-via-the-nrf2-are-pathway
#1
Li Zhang, Handong Wang, Yali Zhou, Yihao Zhu, Maoxin Fei
Fisetin, a natural flavonoid, has neuroprotection properties in many brain injury models. However, its role in traumatic brain injury (TBI) has not been fully explained. In the present study, we aimed to explore the neuroprotective effects of fisetin in a mouse model of TBI. We found that fisetin improved neurological function, reduced cerebral edema, attenuated brain lesion and ameliorated blood-brain barrier (BBB) disruption after TBI. Moreover, the up-regulation of malondialdehyde (MDA) and the activity of glutathione peroxidase (GPx) were reversed by fisetin treatment...
May 21, 2018: Neurochemistry International
https://www.readbyqxmd.com/read/29792848/subthalamic-nucleus-deep-brain-stimulation-protects-neurons-by-activating-autophagy-via-pp2a-inactivation-in-a-rat-model-of-parkinson-s-disease
#2
Ting-Ting Du, Ying-Chuan Chen, Yong-Quan Lu, Fan-Gang Meng, Hui Yang, Jian-Guo Zhang
Deep brain stimulation (DBS) of the subthalamic nucleus (STN) is an effective therapeutic strategy for alleviating disability in patients with moderate to severe Parkinson's disease (PD). Preclinical studies have shown that stimulation of the rat STN can protect against nigral dopaminergic neuron loss. However, the underlying mechanism is unclear. To investigate the molecular basis of the neuroprotective effects of STN stimulation, a rat model of PD was established by unilaterally injecting 6-hydroxydopamine (6-OHDA) into the striatum...
May 21, 2018: Experimental Neurology
https://www.readbyqxmd.com/read/29792386/disparate-effects-of-shb-gene-deficiency-on-disease-characteristics-in-murine-models-of-myeloid-b-cell-and-t-cell-leukemia
#3
Maria Jamalpour, Xiujuan Li, Karin Gustafsson, Jeffrey W Tyner, Michael Welsh
The Src homology-2 domain protein B is an adaptor protein operating downstream of tyrosine kinases. The Shb gene knockout has been found to accelerate p210 Breakpoint cluster region-cAbl oncogene 1 tyrosine kinase-induced leukemia. In human myeloid leukemia were tumors with high Src homology-2 domain protein B mRNA content, tumors were, however, associated with decreased latency and myeloid leukemia exhibiting immune cell characteristics. Thus, the aim of this study was to investigate the effects of Shb knockout on the development of leukemia in three additional models, that is, colony stimulating factor 3 receptor-T618I-induced neutrophilic leukemia, p190 Breakpoint cluster region-cAbl oncogene 1 tyrosine kinase-induced B-cell leukemia, and G12D-Kras-induced T-cell leukemia/thymic lymphoma...
April 2018: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/29792338/molecular-mechanism-for-the-influence-of-gender-dimorphism-on-alcoholic-liver-injury-in-mice
#4
S-Q Li, P Wang, D-M Wang, H-J Lu, R-F Li, L-X Duan, S Zhu, S-L Wang, Y-Y Zhang, Y-L Wang
It is known that women develop alcoholic liver injury more rapidly and have a lower alcohol toxic threshold than men. However, the detailed molecular mechanisms remain unclear. The precise mechanism responsible for the sex difference needs to be determined. Female and male mice were given ethanol by intragastric infusion every day for 4 weeks. The pathological changes were detected by hematoxylin-eosin, Sirius red, oil red O, periodic acid-Schiff, and Hochest33258 staining in the liver of female and male mice...
January 1, 2018: Human & Experimental Toxicology
https://www.readbyqxmd.com/read/29791894/highly-tumorigenic-diffuse-large-b-cell-lymphoma-cells-are-produced-by-coculture-with-stromal-cells
#5
Zhiguang Lin, Bobin Chen, Ting Wu, Xiaoping Xu
BACKGROUND/AIMS: Diffuse large B cell lymphoma (DLBCL) is heterogeneous. We aimed to explore how tumor microenvironment promotes lymphoma cell aggressiveness and heterogeneity. METHODS: We created a coculture system using human DLBCL cells and mouse bone marrow stromal cells. Proliferative capacity, drug resistance, clonogenicity, and tumorigenicity were compared in lymphoma cells from the coculture system and lymphoma cells cultured alone. Expression of Notch signaling associated genes was evaluated using real-time reverse transcriptase PCR and Western blot...
May 23, 2018: Acta Haematologica
https://www.readbyqxmd.com/read/29791428/-acute-liver-failure-as-presentation-of-adult-t-cell-leukemia-in-an-htlv-1-patient
#6
Julissa Guevara Miranda, Patricia Guzmán Rojas, Fernando Alonso Mejía Cordero
Acute liver failure is the development of severe hepatic injury with deterioration of liver synthesis function and encephalopathy. Among all the variety of causes, neoplastic infiltration represents less than 0.5%. We present the case of a male patient with a past medical history of HTLV-1 infection, who reports symptoms of acute hepatitis, being diagnosed with Adult T-cell leukemia/lymphoma. Unfortunately, the patient had a rapid deterioration and passed away a few days after admission.
January 2018: Revista de Gastroenterología del Perú: órgano Oficial de la Sociedad de Gastroenterología del Perú
https://www.readbyqxmd.com/read/29791291/additional-evidence-that-end-of-treatment-fluorodeoxyglucose-positron-emission-tomography-evaluation-is-necessary-in-advanced-hodgkin-lymphoma
#7
Charles Mesguich, Krimo Bouabdallah, Noël Milpied, Elif Hindié
No abstract text is available yet for this article.
May 23, 2018: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/29791288/strikingly-heterogeneous-results-among-studies-on-interim-fluorodeoxyglucose-positron-emission-tomography-adapted-treatment-in-advanced-stage-hodgkin-lymphoma
#8
Hugo J A Adams, Thomas C Kwee
No abstract text is available yet for this article.
May 23, 2018: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/29790897/six-cycles-of-r-chop-21-are-not-inferior-to-eight-cycles-for-treatment-of-diffuse-large-b-cell-lymphoma-a-nordic-lymphoma-group-population-based-study
#9
T Wästerlid, J L Biccler, P N Brown, M Bøgsted, G Enblad, J Mészáros Jørgensen, J H Christensen, B E Wahlin, K E Smedby, T C El-Galaly, M Jerkeman
No abstract text is available yet for this article.
May 22, 2018: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/29790693/hounsfield-units-from-unenhanced-18f-fdg-pet-ct-are-useful-in-evaluating-supradiaphragmatic-lymph-nodes-in-children-and-adolescents-with-classical-hodgkin-s-lymphoma
#10
Radosław Chaber, Mateusz Łasecki, Justyna Kwaśnicka, Kornelia Łach, Zbigniew Podgajny, Cyprian Olchowy, Urszula Zaleska-Dorobisz
BACKGROUND: The precise identification of the primarily-affected nodal regions in Hodgkin's lymphoma(HL) is essential in determining the stage of the disease and the intensity of chemotherapy and radiotherapy. OBJECTIVES: The aim of this study was to use the degree of X-ray attenuation (XRA) in Hounsfield units(HU) and the lymph node-to-muscle attenuation ratio (LN/M) in computed tomography (CT) unenhancedimaging, routinely performed with 18F-fluorodeoxyglucose positron emission tomography (18F-FDG-PET),to distinguish HL-affected supradiaphragmatic lymph nodes...
May 16, 2018: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/29790667/differences-in-cancer-survival-among-white-and-black-cancer-patients-by-presence-of-diabetes-mellitus-estimations-based-on-seer-medicare-linked-data-resource
#11
Clara Lam, Kathleen Cronin, Rachel Ballard, Angela Mariotto
Diabetes prevalence and racial health disparities in the diabetic population are increasing in the US. Population-based cancer-specific survival estimates for cancer patients with diabetes have not been assessed. The Surveillance, Epidemiology, and End Results (SEER)-Medicare linkage provided data on cancer-specific deaths and diabetes prevalence among 14 separate cohorts representing 1 068 098 cancer patients ages 66 +  years diagnosed between 2000 and 2011 in 17 SEER areas. Cancer-specific survival estimates were calculated by diabetes status adjusted by age, stage, comorbidities, and cancer treatment, and stratified by cancer site and sex with whites without diabetes as the reference group...
May 23, 2018: Cancer Medicine
https://www.readbyqxmd.com/read/29790291/the-eyes-have-it-a-rheumatologist-s-view-of-uveitis
#12
REVIEW
James T Rosenbaum, Andrew D Dick
Uveitis is defined as intraocular inflammation. It is an extra-articular manifestation of many forms of joint disease which include spondyloarthritis, juvenile idiopathic arthritis, and Behcet's disease. Rheumatologists may be asked to consult on patients with uveitis in order to identify an associated systemic illness. Diagnoses such as spndyloarthritis, sarcoidosis, and interstitial nephritis with uveitis are frequently overlooked by referring ophthalmologists. Alternatively rheumatologists may be asked to help manage the immunosuppression including biologics which can be required to treat a subset of patients with uveitis...
May 23, 2018: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29789628/targetable-vulnerabilities-in-t-and-nk-cell-lymphomas-identified-through-preclinical-models
#13
Samuel Y Ng, Noriaki Yoshida, Amanda L Christie, Mahmoud Ghandi, Neekesh V Dharia, Joshua Dempster, Mark Murakami, Kay Shigemori, Sara N Morrow, Alexandria Van Scoyk, Nicolas A Cordero, Kristen E Stevenson, Maneka Puligandla, Brian Haas, Christopher Lo, Robin Meyers, Galen Gao, Andrew Cherniack, Abner Louissaint, Valentina Nardi, Aaron R Thorner, Henry Long, Xintao Qiu, Elizabeth A Morgan, David M Dorfman, Danilo Fiore, Julie Jang, Alan L Epstein, Ahmet Dogan, Yanming Zhang, Steven M Horwitz, Eric D Jacobsen, Solimar Santiago, Jian-Guo Ren, Vincent Guerlavais, D Allen Annis, Manuel Aivado, Mansoor N Saleh, Amitkumar Mehta, Aviad Tsherniak, David Root, Francisca Vazquez, William C Hahn, Giorgio Inghirami, Jon C Aster, David M Weinstock, Raphael Koch
T- and NK-cell lymphomas (TCL) are a heterogenous group of lymphoid malignancies with poor prognosis. In contrast to B-cell and myeloid malignancies, there are few preclinical models of TCLs, which has hampered the development of effective therapeutics. Here we establish and characterize preclinical models of TCL. We identify multiple vulnerabilities that are targetable with currently available agents (e.g., inhibitors of JAK2 or IKZF1) and demonstrate proof-of-principle for biomarker-driven therapies using patient-derived xenografts (PDXs)...
May 22, 2018: Nature Communications
https://www.readbyqxmd.com/read/29789559/transcriptional-and-epigenetic-modulation-of-autophagy-promotes-ebv-oncoprotein-ebna3c-induced-b-cell-survival
#14
Shaoni Bhattacharjee, Priyanka Bose, Krishna Patel, Shatadru Ghosh Roy, Chandrima Gain, Harsha Gowda, Erle S Robertson, Abhik Saha
Epstein-Barr virus (EBV) oncoprotein EBNA3C is indispensable for primary B-cell transformation and maintenance of lymphoblastoid cells outgrowth. EBNA3C usurps two putative cellular pathways-cell-cycle and apoptosis, essentially through modulating ubiquitin-mediated protein-degradation or gene transcription. In cancer cells, these two pathways are interconnected with autophagy,-a survival-promoting catabolic network in which cytoplasmic material including mis/un-folded protein aggregates and damaged organelles along with intracellular pathogens are degraded and recycled in lysosomal compartments...
May 22, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29788970/an-autopsy-case-of-peripheral-t-cell-lymphoma-occurring-in-a-postpartum-woman-a-unique-case-suggesting-changes-in-the-immunocharacteristics-of-lymphoma-cells-before-and-after-delivery
#15
Kenichi Mizutani, Sohsuke Yamada, Xin Guo, Chizuru Futatsuya, Motona Kumagai, Akihiro Shioya, Akane Aikawa, Satoko Nakada, Nozomu Kurose, Hiroshi Minato, Takayuki Nojima
BACKGROUND: The occurrence of malignant lymphoma after delivery is an extremely rare event. Although several cases of Hodgkin lymphoma and B cell lymphoma and a few cases of peripheral T cell lymphoma (PTCL) after delivery have been reported, there are no report of autopsy cases of PTCL in the puerperal period. CASE PRESENTATION: A 32-year-old Japanese woman with a past medical history of atopic dermatitis and bronchial asthma presented with generalized eruptions four days after the delivery of her first child; generalized skin induration and lymphadenopathy subsequently emerged...
May 22, 2018: Diagnostic Pathology
https://www.readbyqxmd.com/read/29788729/three-novel-micrornas-based-on-microrna-signatures-for-gastric-mucosa-associated-lymphoid-tissue-lymphoma
#16
Y Zhang, A Liu, M E, L Quan, Y Qu, A Gu
This study aimed to identify novel microRNAs (miRNAs) that play crucial regulatory roles in the pathogenesis of mucosa-associated lymphoid tissue (MALT) lymphoma by retrieving and analyzing the miRNA expression profile GSE23877. Differentially expressed miRNAs between gastric MALT lymphoma samples and human tonsil tissue samples as well as their target genes were identified. The transcriptional regulatory relationships between miRNAs and target genes were analyzed, and the regulatory network between them was constructed...
March 14, 2018: Neoplasma
https://www.readbyqxmd.com/read/29787950/macroporous-silica-nanoparticles-for-delivering-bcl2-function-converting-peptide-to-treat-multidrug-resistant-cancer-cells
#17
Weixia Xu, Pengjin Ge, Boning Niu, Xiaokun Zhang, Jie Liu, Jingjing Xie
The abundance of B cell lymphoma gene 2 (Bcl-2) is closely correlated with the resistance of cancer cells to chemotherapeutic agents, and a peptide derived from orphan nuclear receptor Nur77 can convert Bcl-2 from a protector to a killer of cancer cells. However, successful application of the Bcl-2-converting peptide to treat drug-resistant cancer cells depends on an efficient delivery carrier. Mesoporous silica nanoparticles (MSNs) have been extensively studied as promising candidates for small molecule drug delivery...
May 15, 2018: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/29787812/muscular-sarcoidosis-under-anti-tnf-treatment-in-ankylosing-spondylitis
#18
Daniel Wendling, Jean-Philippe Nueffer
No abstract text is available yet for this article.
May 19, 2018: Joint, Bone, Spine: Revue du Rhumatisme
https://www.readbyqxmd.com/read/29787597/asymmetric-and-symmetric-dimethylarginines-and-mortality-in-patients-with-hematological-malignancies-a-prospective-study
#19
Angelika Chachaj, Jerzy Wiśniewski, Justyna Rybka, Aleksandra Butrym, Monika Biedroń, Małgorzata Krzystek-Korpacka, Mariusz Grzegorz Fleszar, Maciej Karczewski, Tomasz Wróbel, Grzegorz Mazur, Andrzej Gamian, Andrzej Szuba
The study was designed to determine the associations of asymmetric (ADMA) and symmetric (SDMA) dimethylarginines plasma concentrations with all-cause mortality in patients with hematological malignancies. 33 patients with acute myeloid leukemia (AML), 31 patients with non-Hodgkin's lymphoma (nHL), 32 patients with chronic lymphocytic leukemia (CLL) and 48 patients without malignancy were enrolled into the study. Each patient was followed until death or for at least 14.5 months (range: 14.5-53). Median ADMA and SDMA were significantly elevated in AML, nHL and CLL compared to controls (ADMA: 1...
2018: PloS One
https://www.readbyqxmd.com/read/29787419/a-locus-at-7p14-3-predisposes-to-refractory-celiac-disease-progression-from-celiac-disease
#20
Barbara Hrdlickova, Chris J Mulder, Georgia Malamut, Bertrand Meresse, Mathieu Platteel, Yoichiro Kamatani, Isis Ricaño-Ponce, Roy L J van Wanrooij, Maria M Zorro, Marc Jan Bonder, Javier Gutierrez-Achury, Christophe Cellier, Alexandra Zhernakova, Petula Nijeboer, Pilar Galan, Sebo Withoff, Mark Lathrop, Gerd Bouma, Ramnik J Xavier, Bana Jabri, Nadine C Bensussan, Cisca Wijmenga, Vinod Kumar
BACKGROUND: Approximately 5% of patients with celiac disease (CeD) do not respond to a gluten-free diet and progress to refractory celiac disease (RCD), a severe progression that is characterized by infiltration of intraepithelial T lymphocytes. Patients with RCD type II (RCDII) show clonal expansions of intraepithelial T lymphocytes that result in a poor prognosis and a high mortality rate through development of aggressive enteropathy-associated T-cell lymphoma. It is not known whether genetic variations play a role in severe progression of CeD to RCDII...
May 21, 2018: European Journal of Gastroenterology & Hepatology
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