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https://www.readbyqxmd.com/read/29048929/the-effect-of-hamstring-tendon-autograft-harvest-on-the-restoration-of-knee-stability-in-the-setting-of-concurrent-anterior-cruciate-ligament-and-medial-collateral-ligament-injuries
#1
Thomas J Kremen, Landon S Polakof, Sean S Rajaee, Trevor J Nelson, Melodie F Metzger
BACKGROUND: A hamstring autograft is commonly used in anterior cruciate ligament (ACL) reconstruction (ACLR); however, there is evidence to suggest that the tendons harvested may contribute to medial knee instability. HYPOTHESIS: We tested the hypothesis that the gracilis (G) and semitendinosus (ST) tendons significantly contribute to sagittal, coronal, and/or rotational knee stability in the setting of ACLR with a concurrent partial medial collateral ligament (MCL) injury...
October 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29048633/in%C3%A2-vitro-and-in%C3%A2-vivo-anti-primary-effusion-lymphoma-activities-of-fucoidan-extracted-from-cladosiphon-okamuranus-tokida
#2
Chie Ishikawa, Naoki Mori
Primary effusion lymphoma (PEL) caused by Kaposi's sarcoma-associated herpesvirus (KSHV) is characterized by lymphomatous effusion in body cavities and poor prognosis. There is still no effective treatment for PEL. Fucoidan, a major sulfated polysaccharide isolated from brown seaweeds, has an attractive array of bioactivities such as cancer inhibition. However, the effects of fucoidan on PEL cells remain unclear. We investigated the anti-PEL effects of fucoidan obtained from Cladosiphon okamuranus Tokida cultivated in Okinawa...
September 20, 2017: Oncology Reports
https://www.readbyqxmd.com/read/29047243/three-dimensional-fast-spin-echo-imaging-without-fat-suppression-of-the-knee-diagnostic-accuracy-comparison-to-fat-suppressed-imaging-on-1-5t-mri
#3
Hee Woo Cho, Jin Suck Suh, Jin Oh Park, Hyoung Sik Kim, Soo Yoon Chung, Young Han Lee, Seok Hahn
PURPOSE: To evaluate the diagnostic performance of three-dimensional fast spin-echo (3D FSE-Cube) without fat suppression (NFS) for detecting knee lesions, using comparison to 3D FSE-Cube with fat suppression (FS). MATERIALS AND METHODS: One hundred twenty-four patients who underwent 1.5T knee magnetic resonance imaging (MRI) scans and 25 subsequent arthroscopic surgeries were retrospectively reviewed. Using arthroscopic results and two-dimensional images as reference standards, diagnostic performances of 3D FSE-Cube-NFS and FS imaging about lesions of ligament, meniscus, subchondral bone marrow edema (BME), and cartilage were compared...
November 2017: Yonsei Medical Journal
https://www.readbyqxmd.com/read/29047155/maduramicin-induces-apoptosis-and-necrosis-and-blocks-autophagic-flux-in-myocardial-h9c2-cells
#4
Xin Chen, Long Chen, Shanxiang Jiang, Shile Huang
Maduramicin, a polyether ionophore antibiotic, is widely used as an anticoccidial agent in the poultry industry. It has been reported that maduramicin may cause heart and skeletal muscle cell damage, resulting in heart failure, skeletal muscle degeneration and even death in animals and humans, if improperly used. However, the molecular mechanism behind its capability to cause death of cardiac cells is not known. Here, we show that maduramicin induced apoptosis and necrosis in rat myocardial cells (H9c2). Maduramicin did not apparently upregulate the expression of pro-apoptotic proteins (e...
October 19, 2017: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/29045844/a-b-cell-regulome-links-notch-to-downstream-oncogenic-pathways-in-small-b-cell-lymphomas
#5
Russell J H Ryan, Jelena Petrovic, Dylan M Rausch, Yeqiao Zhou, Caleb A Lareau, Michael J Kluk, Amanda L Christie, Winston Y Lee, Daniel R Tarjan, Bingqian Guo, Laura K H Donohue, Shawn M Gillespie, Valentina Nardi, Ephraim P Hochberg, Stephen C Blacklow, David M Weinstock, Robert B Faryabi, Bradley E Bernstein, Jon C Aster, Warren S Pear
Gain-of-function Notch mutations are recurrent in mature small B cell lymphomas such as mantle cell lymphoma (MCL) and chronic lymphocytic leukemia (CLL), but the Notch target genes that contribute to B cell oncogenesis are largely unknown. We performed integrative analysis of Notch-regulated transcripts, genomic binding of Notch transcription complexes, and genome conformation data to identify direct Notch target genes in MCL cell lines. This B cell Notch regulome is largely controlled through Notch-bound distal enhancers and includes genes involved in B cell receptor and cytokine signaling and the oncogene MYC, which sustains proliferation of Notch-dependent MCL cell lines via a Notch-regulated lineage-restricted enhancer complex...
October 17, 2017: Cell Reports
https://www.readbyqxmd.com/read/29043207/mantle-cell-lymphoma-involvement-of-nodal-and-extranodal-sites-in-the-head-and-neck-with-multifocal-oral-lesions
#6
Marcelo Marcucci, Gilberto Marcucci, Mirna Scalon Cordeiro, Jorge Esquiche León, Juliane Piragine Araujo, Jefferson Xavier de Oliveira, Karina Cecília Panelli Santos
Mantle cell lymphoma (MCL) is a malignant B-cell neoplasm, which comprises monomorphic and small- to medium-sized mantle zone-derived lymphoid cells. It is characterized by chromosomal translocation t(11;14)(q13;q32) and CCND1 truncation, resulting in cell cycle deregulation. It is an aggressive type of non-Hodgkin lymphoma with a propensity to present with extranodal involvement. This study shows the case of an 80-year-old Caucasian male who complained of a 2-month progressive swelling on the right side of his face...
July 2017: Autopsy & case reports
https://www.readbyqxmd.com/read/29043141/antineutrophil-cytoplasmic-antibody-positive-pauci-immune-glomerulonephritis-associated-with-mantle-cell-lymphoma
#7
Kana N Miyata, Nazia A Siddiqi, Lawrence P Kiss, Nikolas B Harbord, James F Winchester
Renal involvement in non-Hodgkin lymphoma, especially mantle cell lymphoma (MCL) is rare. A 77-year-old man presented with acute kidney injury (AKI), which rapidly progressed to dialysis dependence. Kidney biopsy revealed patchy B-cell lymphocytic aggregates in the interstitium, which were positive for cyclin D1, consistent with atypical CD5-negative MCL as confirmed by the detection of translocation t(11;14) by FISH. Crescents were noted in 3 of 26 glomeruli; while PR-3 antineutrophil cytoplasmic antibody (ANCA) positivity and negative immunofluorescence suggested an additional pauci-immune (rapidly progressive) glomerulonephritis pattern of injury...
2017: Clin Nephrol Case Stud
https://www.readbyqxmd.com/read/29042418/socs1-gene-therapy-improves-radiosensitivity-and-enhances-irradiation-induced-dna-damage-in-esophageal-squamous-cell-carcinoma
#8
Takahito Sugase, Tsuyoshi Takahashi, Satoshi Serada, Minoru Fujimoto, Kosuke Hiramatsu, Tomoharu Ohkawara, Koji Tanaka, Yasuhiro Miyazaki, Tomoki Makino, Yukinori Kurokawa, Makoto Yamasaki, Kiyokazu Nakajima, Tadamitsu Kishimoto, Masaki Mori, Yuichiro Doki, Tetsuji Naka
STAT3 has been implicated recently in radioresistance in cancer. In this study, we investigated the association between STAT3 and radioresistance in esophageal squamous cell carcinoma (ESCC). Strong expression of activated phospho-STAT3 (p-STAT3) was observed in 16/22 ESCC patients with preoperative chemoradiotherapy (CRT), compared to 9/24 patients with surgery alone, where the prognosis of those with CRT was poor. Expression of p-STAT3 and the anti-apoptotic proteins Mcl-1 and survivin was strongly induced in ESCC cells by irradiation...
October 17, 2017: Cancer Research
https://www.readbyqxmd.com/read/29041946/the-role-of-b-cell-antigen-receptors-in-mantle-cell-lymphoma
#9
REVIEW
Michael Fichtner, Martin Dreyling, Mascha Binder, Martin Trepel
Mantle cell lymphoma (MCL) is characterized by an aggressive clinical course and secondary resistance to currently available therapies in most cases. Therefore, despite recent advances in the treatment of this disease, it is still considered to be incurable in the majority of cases. MCL B cells retain their B cell antigen receptor (BCR) expression during and after neoplastic transformation. BCRs in MCL show distinct patterns of antigen selection and ongoing BCR signaling. However, little is known about the involved antigens and the mechanisms leading to lymphomagenesis and lymphoma progression in MCL...
October 17, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/29040817/potential-for-mcl-pha-production-from-nonanoic-and-azelaic-acids
#10
James Gillis, Kenton Ko, Juliana A Ramsay, Bruce A Ramsay
Greater than 65 % of canola and high oleic soy oil fatty acids is oleic acid, which is readily converted to nonanoic (NA) and azelaic (AzA) acids by ozonolysis. NA is an excellent substrate for medium-chain-length polyhydroxyalkanoate (mcl-PHA) production but AzA has few uses. Pseudomonas citronellolis DSM 50332 and Pseudomonas fluorescens ATCC 17400, both able to produce mcl-PHA from fatty acids and able to grow on AzA as the sole source of carbon and energy were assessed for the accumulation of mcl-PHA from AzA and NA...
October 17, 2017: Canadian Journal of Microbiology
https://www.readbyqxmd.com/read/29040306/micheliolide-suppresses-lps-induced-neuroinflammatory-responses
#11
Zhaomeng Sun, Guodong Li, Tanjun Tong, Jun Chen
Microglia-involved neuroinflammation is thought to promote brain damage in various neurodegenerative disorders. Thus, inhibition of microglial over-activation may have a therapeutic benefit for the treatment of neurodegenerative disorders. Micheliolide (MCL) is a sesquiterpene lactone which inhibits various inflammatory response. However, whether MCL can inhibit neuroinflammation caused by LPS-activated BV2 microglia has not yet been explored. In this study, we demonstrated that treatment of BV2 cells with MCL significantly repressed LPS-stimulated nitric oxide synthase (iNOS) and cyclooxygenase-2 (COX-2) expression, as well as tumor necrosis factor-alpha (TNF-α), interleukin-6 (IL-6) and nitric oxide (NO) induction...
2017: PloS One
https://www.readbyqxmd.com/read/29039493/actein-induces-apoptosis-in-leukemia-cells-through-suppressing-rhoa-rock1-signaling-pathway
#12
Wen-Di Zhou, Xiang Wang, Xing-Zhen Sun, Jian Hu, Rong-Rong Zhang, Ze Hong
Actein is a tetracyclic triterpenoid compound, extracted from the rhizome of Cimicifuga foetida, exhibiting anticancer activities as previously reported. However, the effects of actein on human leukemia have not been explored before. In this study, the role of actein in regulating apoptosis induction in human leukemia cells was investigated. Actein administration significantly enhanced apoptosis, especially in human leukemia cell line of U937 and the primary human leukemia cells. The promotion was accompanied by caspase-9, caspase-3 and poly(ADP-ribose) polymerase (PARP) cleavage, and cytochrome c (Cyto-c) release...
October 10, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29038440/mir-29b-regulates-expression-of-collagens-i-and-iii-in-chondrogenically-differentiating-bmsc-in-an-osteoarthritic-environment
#13
Ute Mayer, Achim Benditz, Susanne Grässel
Osteoarthritis (OA) is characterized by a slowly progressing, irreversible loss of articular cartilage. Tissue engineering approaches for cartilage regeneration include stem cell-based strategies but not much is known about their repair capacity in an OA microenvironment. The aim of the present study was to identify factors regulating collagen expression during chondrogenic differentiation of bone marrow-derived mesenchymal stem cells (BMSC) in an OA microenvironment. Coculture with OA cartilage induced miR-29b expression in BMSC which inhibited collagen I and III expression...
October 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29037225/yap-transcriptionally-regulates-cox-2-expression-and-gccsysm-4-g-4-a-dual-yap-cox-2-inhibitor-overcomes-drug-resistance-in-colorectal-cancer
#14
Wei Li, Yuanyuan Cao, Jinling Xu, Ying Wang, Weijie Li, Qian Wang, Ziwei Hu, Yaping Hao, Li Hu, Yawen Sun, Guanglin Xu, Guizhen Ao
BACKGROUND: Chemotherapy resistance remains a major challenge in cancer treatment. COX-2 (cyclooxygenase 2) is involved in drug resistance and poor prognosis of many neoplastic diseases or cancers. However, investigations identifying new modulators of COX-2 pathway and searching for new chemicals targeting these valid resistant biomarkers are still greatly needed. METHODS: HCT15, HCT-116, HT-29, COLO205, FHC, IMCE, SW480 cell lines were used to detect the expression of YAP and COX-2...
October 16, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/29035453/immunophenotyping-of-chronic-lymphocytic-leukemia
#15
Mesude Falay And Gulsum Ozet
BACKGROUND: Chronic Lymphocytic Leukemia (CLL) is one of the most common diagnoses made by flow cytometry laboratories. There is no consensus on which markers need to be used in flow cytometry for accurate immunophenotyping. Herein, we investigated the role of markers used in flow cytometry in the distinction between CLL and MCL. METHODS: A total 339 recently diagnosed B lymphoproliferative patient cases were retrospectively studied for their immunophenotypical propoerties using flow cytometry...
October 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/29034364/microenvironmental-agonists-generate-de-novo-phenotypic-resistance-to-combined-ibrutinib-plus-venetoclax-in-cll-and-mcl
#16
Kallesh D Jayappa, Craig A Portell, Vicki L Gordon, Brian J Capaldo, Stefan Bekiranov, Mark J Axelrod, L Kyle Brett, Julia D Wulfkuhle, Rosa I Gallagher, Emanuel F Petricoin, Timothy P Bender, Michael E Williams, Michael J Weber
De novo resistance and rapid recurrence often characterize responses of B-cell malignancies to ibrutinib (IBR), indicating a need to develop drug combinations that block compensatory survival signaling and give deeper, more durable responses. To identify such combinations, we previously performed a combinatorial drug screen and identified the Bcl-2 inhibitor venetoclax (VEN) as a promising partner for combination with IBR in Mantle Cell Lymphoma (MCL). We have opened a multi-institutional clinical trial to test this combination...
June 13, 2017: Blood Advances
https://www.readbyqxmd.com/read/29030961/overproduction-of-mcl-pha-with-high-3-hydroxydecanoate-content
#17
Jie Gao, Minh T Vo, Juliana A Ramsay, Bruce A Ramsay
Methods of producing medium-chain-length poly-3-hydroxyalkanoate (mcl-PHA) with high content of the dominant subunit, 3-hydroxydecanoate (HD), were examined with an emphasis on a high yield of polymer from decanoic acid. High HD content was achieved by using a β-oxidation knockout mutant of Pseudomonas putida KT2440 (designated as P. putida DBA-F1) or by inhibiting β-oxidation with addition of acrylic acid to wild type P. putida KT2440 in carbon-limited, fed-batch fermentations. At a substrate feed ratio of decanoic acid and acetic acid to glucose (DAA:G) of 6:4 g/g, P...
October 14, 2017: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/29025262/discovery-of-a-turn-on-fluorescent-probe-for-myeloid-cell-leukemia-1-protein
#18
Tingting Liu, Yuqi Gao, Xiaomeng Zhang, Yichao Wan, Lupei Du, Hao Fang, Minyong Li
The environment-sensitive probe 2 with turn-on switch for Mcl-1 protein was developed herein. After careful evaluation, this small molecule fluorescent probe revealed a selective binding affinity with Mcl-1 protein with a Ki value of 2.6 μM and can be well applied to imaging Mcl-1 protein or detecting the cellular distribution of Mcl-1 protein inhibitors. Compared with other imaging approaches, such as the immunofluorescence and fluorescent protein-based techniques, this fluorescent method is rapid, convenient, and affordable, especially since a washing procedure is no longer needed...
October 16, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/29022078/survival-benefit-of-mantle-cell-lymphoma-patients-enrolled-in-clinical-trials-a-joint-study-from-the-lysa-group-and-french-cancer-registries
#19
Alix Augustin, Steven Le Gouill, Rémy Gressin, Aurélie Bertaut, Alain Monnereau, Anne-Sophie Woronoff, Brigitte Trétarre, Patricia Delafosse, Xavier Troussard, Anne Moreau, Olivier Hermine, Marc Maynadié
PURPOSE: Mantle cell lymphoma (MCL) is a rare non-Hodgkin's lymphoma entity with a poor prognosis. Therapeutic advances have improved the survival of patients enrolled in clinical trials; however, their impact on patients outside clinical trials remains unclear. In this work, we compared patient outcome inside and outside clinical trials. METHODS: We identified MCL patients recorded in six French population-based registries between 2008 and 2012 to perform a comparison with patients enrolled in two prospective multicenter MCL clinical trials conducted by the LYSA group during the same period...
October 11, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/29020172/high-dose-fluconazole-monotherapy-is-inadequate-for-csf-cryptococcal-antigen-positive-hiv-infected-persons-in-an-ethiopian-crag-screening-program
#20
Tafese Beyene, Anteneh G Zewde, Abera Balcha, Belda Hirpo, Tadele Yitbarik, Teshome Gebissa, Radha Rajasingham, David R Boulware
817 HIV-infected Ethiopians with CD4 <=150/mcL underwent lab-based reflex cryptococcal antigen(CrAg) screening, using remaining plasma after CD4 testing. Of participants with plasma CrAg titers >=1:640, 96% (27/28) had cryptococcal meningitis (CSF CrAg+). When treated with fluconazole 1200mg monotherapy, 68% (23/34) of CSF CrAg+ died within three months.
July 17, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
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