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https://www.readbyqxmd.com/read/28934678/establishment-of-cell-line-with-nk-nkt-phenotype-from-myeloid-nk-cell-acute-leukemia
#1
A Darji, N Desai, R Modi, B Khamar, S Rajkumar
Acute Myeloid Leukemia (AML) is the most common malignancy in adults with a 5-year survival rate of 27% of the total affected population. For effective treatment and new drug discovery, cell lines are considered as a very important tool. Here we report an establishment of a continuous human cell line AML-004 with a hypo-diploid chromosome 44 and presence of both NK/NKT phenotypes. The cell line was isolated from the blood sample of myeloid NK cell acute leukemia patients and extensively characterized by flow cytometery, morphology, and cytogentic analysis...
September 13, 2017: Leukemia Research
https://www.readbyqxmd.com/read/28933999/minimal-residual-disease-assessment-in-lymphoma-methods-and-applications
#2
Alex F Herrera, Philippe Armand
Standard methods for disease response assessment in patients with lymphoma, including positron emission tomography and computed tomography scans, are imperfect. In other hematologic malignancies, particularly leukemias, the ability to detect minimal residual disease (MRD) is increasingly influencing treatment paradigms. However, in many subtypes of lymphoma, the application of MRD assessment techniques, like flow cytometry or polymerase chain reaction-based methods, has been challenging because of the absence of readily detected circulating disease or canonic chromosomal translocations...
September 21, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28933554/rational-targeting-of-cellular-cholesterol-in-diffuse-large-b-cell-lymphoma-dlbcl-enabled-by-functional-lipoprotein-nanoparticles-a-therapeutic-strategy-dependent-on-cell-of-origin
#3
Jonathan S Rink, Shuo Yang, Osman Cen, Tim Taxter, Kaylin M McMahon, Sol Misener, Amir Behdad, Richard Longnecker, Leo I Gordon, C Shad Thaxton
Cancer cells have altered metabolism and, in some cases, an increased demand for cholesterol. It is important to identify novel, rational treatments based on biology, and cellular cholesterol metabolism as a potential target for cancer is an innovative approach. Toward this end, we focused on diffuse large B-cell lymphoma (DLBCL) as a model because there is differential cholesterol biosynthesis driven by B-cell receptor (BCR) signaling in germinal center (GC) versus activated B-cell (ABC) DLBCL. To specifically target cellular cholesterol homeostasis, we employed high-density lipoprotein-like nanoparticles (HDL NP) that can generally reduce cellular cholesterol by targeting and blocking cholesterol uptake through the high-affinity HDL receptor, scavenger receptor type B-1 (SCARB1)...
September 21, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28933264/from-a-better-understanding-of-the-mechanisms-of-action-of-histone-deacetylases-inhibitors-to-the-progress-of-the-treatment-of-malignant-lymphomas-and-plasma-cell-myeloma
#4
Romeo-Gabriel Mihăilă
BACKGROUND: Notable progress has been made in chemo- and immunotherapy of B-cell lymphomas, but less in the treatment of T-cell lymphomas. OBJECTIVE: Histone deacetylases inhibitors are a potentially useful therapeutic mean, as an epigenetic dysregulation is present in lymphomas, and especially in T-cell types. We aimed to study the progress made in this area. METHOD: A minireview was achieved using the articles published in PubMed in the last two years and the new patents made in this field...
September 19, 2017: Recent Patents on Anti-cancer Drug Discovery
https://www.readbyqxmd.com/read/28933221/neural-stem-cell-transplantation-is-associated-with-inhibition-of-apoptosis-bcl-xl-upregulation-and-recovery-of-neurological-function-in-a-rat-model-of-traumatic-brain-injury
#5
Ai-Lan Pang, Liu-Lin Xiong, Qing-Jie Xia, Fen Liu, You-Cui Wang, Fei Liu, Piao Zhang, Bu-Liang Meng, Sheng Tan, Ting-Hua Wang
Traumatic brain injury (TBI) is a common disease that usually causes severe neurological damage, and current treatment is far from satisfactory. The neuroprotective effects of neural stem cell (NSC) transplantation in the injured nervous system have largely been known, but the underlying mechanisms remain unclear, and their limited sources impede their clinical application. Here, we established a rat model of TBI by dropping a weight onto the cortical motor area of the brain and explored the effect of engrafted NSCs (passage 3, derived from the hippocampus of embryonic 12- to 14-d green fluorescent protein transgenic mice) on TBI rats...
July 2017: Cell Transplantation
https://www.readbyqxmd.com/read/28932850/amino-and-chloro-8-hydroxyquinolines-and-their-copper-complexes-as-proteasome-inhibitors-and-antiproliferative-agents
#6
Valentina Oliveri, Valeria Lanza, Danilo Milardi, Maurizio Viale, Irena Maric, Carmelo Sgarlata, Graziella Vecchio
Proliferation and programmed cell death are tightly correlated with the ubiquitin-proteasome system (UPS). Alterations in the UPS may be implicated in pathological conditions such as the proteasome over-activity in cancer cells. Mounting evidence indicates that many types of actively proliferating malignant cells are more sensitive to proteasome inhibition than normal cells, and therefore UPS inhibitors are actively pursued as anticancer agents. The approval of the proteasome inhibitor drug bortezomib for the treatment of myeloma and lymphoma further highlights the need for UPS inhibitors...
September 21, 2017: Metallomics: Integrated Biometal Science
https://www.readbyqxmd.com/read/28932588/kras-mutation-positive-mucinous-adenocarcinoma-originating-in-the-thymus
#7
Ichiro Sakanoue, Hiroshi Hamakawa, Daichi Fujimoto, Yukihiro Imai, Kazuhiro Minami, Keisuke Tomii, Yutaka Takahashi
Thymic carcinoma is a rare, aggressive disease with a low 5-year survival rate. The most common histological neoplastic thymic tumor subtype is squamous cell. We describe an interesting case of a 39-year-old woman who presented with mucinous adenocarcinoma that originated in the thymus and was treated via radical resection and venoplasty of the superior vena cava (SVC). Macroscopically, the resected tumor contained a solid region and multiple cysts with abundant mucin. Microscopic examination showed a papillary growth pattern of goblet cells with round nuclei...
August 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28931678/ikk%C3%AE-mimetic-peptides-block-the-resistance-to-apoptosis-associated-with-kshv-infection
#8
Louise C Briggs, A W Edith Chan, Christopher A Davis, Nicholas Whitelock, Hajira A Hotiana, Mehdi Baratchian, Claire Bagnéris, David L Selwood, Mary K Collins, Tracey E Barrett
Primary effusion lymphoma (PEL) is a lymphogenic disorder associated with KSHV infection. Key to the survival and proliferation of PEL is the canonical NF-kB pathway that becomes constitutively activated following overexpression of the viral oncoprotein ks-vFLIP. This arises from its capacity to form a complex with the modulatory subunit of the IKK kinase, IKKγ (or NEMO) resulting in the overproduction of proteins that promote cellular survival and prevent apoptosis; both of which are important drivers of tumourigenesis...
September 20, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28930717/inhibition-of-erythrocyte-cell-membrane-scrambling-by-asp3026
#9
Abdulla Al Mamun Bhuyan, Rosi Bissinger, Hang Cao, Florian Lang
BACKGROUND/AIMS: The anaplastic lymphoma kinase (ALK) inhibitor ASP3026 is in clinical development for the treatment of ALK expressing non-small cell lung carcinoma (NSCLC). ASP3026 is in part effective by inducing apoptosis of tumor cells. Erythrocytes lack mitochondria and nuclei, key organelles in the execution of apoptosis, but are nevertheless able to enter suicidal death or eryptosis, which is characterized by cell membrane scrambling with phosphatidylserine translocation to the cell surface and by cell shrinkage...
September 20, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28928900/dihydroorotate-dehydrogenase-inhibitors-target-c-myc-and-arrest-melanoma-myeloma-and-lymphoma-cells-at-s-phase
#10
Mathura Subangari Dorasamy, Bhavesh Choudhary, Kavitha Nellore, Hosahalli Subramanya, Pooi-Fong Wong
Dihydroorotate dehydrogenase (DHODH) is a rate-limiting enzyme in the de novo biosynthesis pathway of pyrimidines. Inhibition of this enzyme impedes cancer cell proliferation but the exact mechanisms of action of these inhibitors in cancer cells are poorly understood. In this study, we showed that cancer cells, namely melanoma, myeloma and lymphoma overexpressed DHODH protein and treatment with A771726 and Brequinar sodium resulted in cell cycle arrest at S-phase. Transfection with DHODH shRNA depleted DHODH protein expression and impeded the proliferation of melanoma cells...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28928838/puerarin-increases-the-chemosensitivity-of-hepatocellular-carcinoma-cells
#11
Zhen Wu, Jing Wu, Ping Fang, Shifeng Kan
The present study investigated the effect of puerarin (Pu) on the sensitivity of HepG2 human hepatocellular carcinoma (HCC) cells to chemotherapeutic drugs to determine the possible mechanism. HepG2 cells were treated with different concentrations of Pu and cisplatin (CDDP), alone or in combination. MTT assay was used to determine the inhibitory effects of the different drugs on HepG2 cells. Cell morphology was observed by inverted microscopy. The expression of B-cell lymphoma 2 (Bcl-2) and Bax protein was measured by western blot analysis...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28928824/isobavachalcone-inhibits-the-proliferation-and-invasion-of-tongue-squamous-cell-carcinoma-cells
#12
Yi Shi, Wei-Zhong Wu, An Huo, Wei Zhou, Xiao-Hong Jin
Isobavachalcone (2',4',4-trihydroxy-3'-[3'-methylbut-3'-ethyl] chalcone or IBC) exhibits anticancer activities in a number of types of cancer cell. However, its role in tongue squamous cell carcinoma (TSCC) cells remains unclear. The aim of the present study was to investigate the biological effect of IBC in TSCC Tca8113 cells. The function of IBC on Tca8113 cell apoptosis and apoptosis-associated signaling pathways was determined using an MTT assay, morphological staining, annexin V-propidium iodide (PI) staining and Western blot analysis...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28928812/molecular-mechanisms-of-ampelopsin-from-ampelopsis-megalophylla-induces-apoptosis-in-hela-cells
#13
Peipei Cheng, Chun Gui, Jing Huang, Ye Xia, Yu Fang, Guozheng Da, Xiuqiao Zhang
Ampelopsin (AMP) is an active ingredient of flavonoid compounds that is extracted from Ampelopsis megalophylla Diels et Gilg. The present study aimed at investigating the antitumor activities of AMP and the possible underlying molecular mechanisms in HeLa cells. A total of three types of tumor cell were selected to screen antitumor activities for AMP using the MTT assay. Flow cytometry was used to analyze the cell apoptotic proportion and the cell cycle. Rhodamine 123 staining was used to determine changes in mitochondrial transmembrane potential...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28928469/activation-of-mir-34a-5p-sirt1-p66shc-pathway-contributes-to-doxorubicin-induced-cardiotoxicity
#14
Jie-Ning Zhu, Yong-Heng Fu, Zhi-Qin Hu, Wen-Yu Li, Chun-Mei Tang, Hong-Wen Fei, Hui Yang, Qiu-Xiong Lin, De-Ming Gou, Shu-Lin Wu, Zhi-Xin Shan
The molecular mechanisms underlying anthracyclines-induced cardiotoxicity have not been well elucidated. MiRNAs were revealed dysregulated in the myocardium and plasma of rats received Dox treatment. MicroRNA-34a-5p (miR-34a-5p) was verified increased in the myocardium and plasma of Dox-treated rats, but was reversed in rats received Dox plus DEX treatments. Human miR-34a-5p was also observed increased in the plasma of patients with diffuse large B-cell lymphoma after 9- and 16-week epirubicin therapy. Up-regulation of miR-34a-5p was observed in Dox-induced rat cardiomyocyte H9c2 cells...
September 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28928392/mucosa-associated-lymphoid-tissue-lymphoma-translocation-1-as-a-novel-therapeutic-target-for-rheumatoid-arthritis
#15
Chang Hoon Lee, Su Jeong Bae, Miok Kim
Emerging evidence suggests that mucosa-associated lymphoid tissue lymphoma translocation 1 (MALT1) is a key regulator of inflammatory diseases; however, the pathological role of MALT1 in rheumatoid arthritis (RA) is not well understood. Consequently, this protein has not been therapeutically targeted for the treatment of RA. MALT1 plays a role in the paracaspase pathway, has proteolytic activity and is involved in the regulation of inflammatory responses. In this study, we found that the MALT1-targeting inhibitory small molecule, MALT1 selective inhibitor 2-chloro-N-[4-[5-(3,4-dichlorophenyl)-3-(2-methoxyethoxy)-1H-1,2,4-triazol-1-yl]phenylacetamide (MI-2) strongly suppresses the differentiation of monocytes into osteoclasts in the absence or presence of the inflammatory cytokine tumour necrosis factor α...
September 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28928126/chimeric-antigen-receptor-t-cell-therapies-for-multiple-myeloma
#16
Lekha Mikkilineni, James N Kochenderfer
Multiple myeloma (MM) is a nearly always incurable malignancy of plasma cells, so new approaches to treatment are needed. T-cell therapies are a promising approach for treating MM, with a mechanism of action different than those of standard MM treatments. Chimeric antigen receptors (CARs) are fusion proteins incorporating antigen-recognition domains and T-cell signaling domains. T-cells genetically engineered to express CARs can specifically recognize antigens. Success of CAR T-cells against leukemia and lymphoma has encouraged development of CAR T-cell therapies for MM...
September 19, 2017: Blood
https://www.readbyqxmd.com/read/28927453/employment-status-and-health-related-quality-of-life-among-hodgkin-lymphoma-survivors-results-based-on-data-from-a-major-treatment-center-in-hungary
#17
Ferenc Magyari, Karolina Kósa, Roland Berecz, Anna Illés, Zsófia Miltényi, Zsófia Simon, Árpád Illés
BACKGROUND: Due to risk and response adapted treatment strategies, more than 80% of newly diagnosed classical Hodgkin lymphoma (HL) patients can be cured, and become long-term survivors. However, a high proportion of survivors suffer from treatment-related long-term side effects such as secondary malignancy, organ failure, persistent fatigue and psychological distress. The aim of this study was to evaluate psychological distress and its risk factors among our HL survivors. METHODS: One hundred sixty-three (50% female) adult HL survivors were contacted between January 1, 2012 and march 31, 2015 in our outpatient centre...
September 19, 2017: Health and Quality of Life Outcomes
https://www.readbyqxmd.com/read/28927150/upfront-high-dose-chemotherapy-combined-with-autologous-stem-cell-transplantation-potential-survival-benefit-for-patients-with-high-risk-diffuse-large-b-cell-lymphoma
#18
Aya Nakaya, Shinya Fujita, Atsushi Satake, Takahisa Nakanishi, Yoshiko Azuma, Yukie Tsubokura, Masaaki Hotta, Hideaki Yoshimura, Kazuyoshi Ishii, Tomoki Ito, Shosaku Nomura
In patients with diffuse large B-cell lymphoma (DLBCL) classified as high-intermediate risk or high risk using the International Prognosis Index, the efficacy of high-dose chemotherapy combined with upfront autologous stem cell transplantation (HDT/ASCT) remains controversial in the rituximab era. In the present study, 27 patients who had been treated with HDT/ASCT in an upfront setting were retrospectively analyzed, and compared with 77 patients with similar characteristics who had received conventional chemotherapy without HDT/ASCT (the non-upfront setting)...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28927142/tumour-growth-suppressive-effect-of-arsenic-trioxide-in-squamous-cell-lung-carcinoma
#19
Leanne Lee Leung, Sze-Kwan Lam, Yuan-Yuan Li, James Chung-Man Ho
Lung squamous cell carcinoma (SCC) is the second most common subtype of non-small cell lung carcinoma. The anticancer effects of arsenic trioxide (ATO) in lung adenocarcinoma and small-cell lung cancer have previously been reported; however its effects in SCC remain unclear. An MTT assay and western blot analysis were performed to determine cell viability and protein expression, respectively, in the SK-MES-1 and SW900 SCC cell lines following treatment with ATO. Phosphatidylserine externalization, mitochondrial membrane depolarization and cell cycle distribution were studied using flow cytometry and the in vivo effects of ATO on tumour growth were investigated with a xenograft model...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28927098/notch-1-is-a-valuable-therapeutic-target-against-cell-survival-and-proliferation-in-clear-cell-renal-cell-carcinoma
#20
Zhiming Zhuang, Jiangui Lin, Yiqun Huang, Tianqi Lin, Zhouda Zheng, Xudong Ma
Notch 1 is a key component of the Notch pathway, which performs a crucial role in clear cell renal cell carcinoma (CCRCC) development. The present study aimed to investigate whether Notch 1 could serve as a potential target for CCRCC treatment. Firstly, an association analysis was performed using 52 CCRCC cases and 30 normal controls. The results indicated that Notch 1 protein expression in renal tissues was closely associated with the incidence of CCRCC. In addition, higher Notch 1 expression in CCRCC tissues was positively associated with higher tumor-node-metastasis stage and Fuhrman grade, in addition to larger tumor size...
September 2017: Oncology Letters
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