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https://www.readbyqxmd.com/read/29663561/concise-machinery-for-monitoring-ubiquitination-activities-using-novel-artificial-ring-fingers
#1
REVIEW
Kazuhide Miyamoto, Kazuki Saito
Protein ubiquitination is involved in many cellular processes, such as protein degradation, DNA repair, and signal transduction pathways. Ubiquitin-conjugating (E2) enzymes of the ubiquitination pathway are associated with various cancers, such as leukemia, lung cancer, and gastric cancer. However, to date, detection of E2 activities is not practicable for capturing the pathological conditions of cancers due to complications related to the enzymatic cascade reaction. To overcome this hurdle, we have recently investigated a novel strategy for measuring E2 activities...
April 16, 2018: Protein Science: a Publication of the Protein Society
https://www.readbyqxmd.com/read/29663100/quinazoline-clubbed-1-3-5-triazine-derivatives-as-vegfr2-kinase-inhibitors-design-synthesis-docking-in-vitro-cytotoxicity-and-in-ovo-antiangiogenic-activity
#2
Prateek Pathak, Parjanya Kumar Shukla, Vikas Kumar, Ankit Kumar, Amita Verma
A series of quinazoline clubbed 1,3,5-triazine derivatives (QCT) were synthesized and evaluated for their in vitro anticancer activity against HeLa (human cervical cancer), MCF-7 (human breast cancer cell), HL-60 (human promyelocytic leukemia cell), HepG2 (human Hepatocellular carcinoma cell), and one normal cell line HFF (human foreskin fibroblasts). In vitro assay result encouraged to further move towards in ovo anticancer evaluation using chick embryo. The series of QCT derivatives showed higher anticancer and antiangiogenic activity against HeLa and MCF-7 cell lines...
April 16, 2018: Inflammopharmacology
https://www.readbyqxmd.com/read/29660689/quinonoid-compounds-via-reactions-of-lawsone-and-2-aminonaphthoquinone-with-%C3%AE-bromonitroalkenes-and-nitroallylic-acetates-structural-diversity-by-c-ring-modification-and-cytotoxic-evaluation-against-cancer-cells
#3
Thekke V Baiju, Renata G Almeida, Sudheesh T Sivanandan, Carlos A de Simone, Lucas M Brito, Bruno C Cavalcanti, Claudia Pessoa, Irishi N N Namboothiri, Eufrânio N da Silva Júnior
Morita-Baylis-Hillman acetates and α-bromonitroalkenes have been employed in cascade reactions with lawsone and 2-aminonaphthoquinone for the one-pot synthesis of heterocycle fused quinonoid compounds. The reactions reported here utilized the 1,3-binucleophilic potential of hydroxy- and aminonaphthoquinones and the 1,2/1,3-bielectrophilic potential of bromonitroalkenes and Morita-Baylis-Hillman acetates for the synthesis of pyrrole and furan fused naphthoquinones. The synthesized compounds were evaluated against HCT-116 (human colon carcinoma cells), PC3 (human prostate cancer cells), HL-60 (human promyelocytic leukemia cells), SF295 (human glioblastoma cells) and NCI-H460 (human lung cancer cells) and exhibited antitumor activity with IC50 values as low as < 2 μM...
April 5, 2018: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29655701/apoptosis-and-pro-death-autophagy-induced-by-a-spirostanol-saponin-isolated-from-rohdea-chinensis-baker-n-tanaka-synonym-tupistra-chinensis-baker-on-hl-60-cells
#4
Xiaomin Yi, Limin Xiang, Yuying Huang, Yihai Wang, Xiangjiu He
BACKGROUND: Our previous study has revealed that the spirostanol saponins isolated from the rhizomes of Rohdea chinensis (Baker) N. Tanaka (synonym Tupistra chinensis Baker) (Convallariaceae) (a reputed folk medicine) exhibited potent antiproliferative activity. However, the underlying mechanism of purified saponins remains unclear. More studies are necessary to assess the apoptosis and autophagy activities of the saponins from R. chinensis and clarify their antiproliferative mechanisms...
March 15, 2018: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/29653010/-transformation-from-promyelocytic-leukemia-with-t-15-17-q22-q21-to-acute-monocytic-leukemia-with-t-11-17-q23-q21-in-a-case
#5
Zheng Wang, Ye Li, Hui Dang, Yan Shi, Qi He, Lin Feng, Li Bao, Yazhen Qin, Yanrong Liu, Xiaojun Huang, Yueyun Lai
OBJECTIVE: To report on a case of therapy-related acute monocytic leukemia(t-AML) with t(11;17) (q23;q21)/MLL-AF17q after successful treatment for acute promyelocytic leukemia(APL) with t(15;17) (q22;q21)/PML-RARα. METHODS: A MICM method (bone marrow morphology(M), immunophenotype(I), cytogenetics(C), and molecular biology(M)) was used for the diagnosis and classification of the disease at the time of onset and transformation. RESULTS: The patient was initially identified with typical morphology and immunophenotype of APL...
April 10, 2018: Zhonghua Yi Xue Yi Chuan Xue za Zhi, Zhonghua Yixue Yichuanxue Zazhi, Chinese Journal of Medical Genetics
https://www.readbyqxmd.com/read/29650946/a-rare-case-of-relapsed-pediatric-acute-promyelocytic-leukemia-with-skin-involvement-by-myeloid-sarcoma
#6
Nathalia Silva Araújo, Claudio José Dos Santos Júnior, Vitória Mikaelly da Silva Gomes, Luiz Arthur Calheiros Leite, Luana Novaes Bomfim, Amanda Katielly Firmino da Silva Gusmão, Maria Jordana Rocha Gomes Alves, Cyndi Myrelle da Silva Barros Romão, Arthur Moacir Costa Sampaio Batinga, Maria Rosa da Silva, Célio Fernando de Sousa Rodrigues
BACKGROUND Acute promyelocytic leukemia (APL) is a very rare leukemia in children. Extramedullary involvement by APL has been reported in between 3-5% of cases, mainly associated with cases of relapse. A rare case of relapse of APL in a 9-year-old child is presented with skin involvement with myeloid sarcoma. CASE REPORT A 9-year-old male child was admitted to the Oncology Service of the hospital complaining of fever, progressive fatigue, oral petechiae with severe bleeding in the oral cavity. Bone marrow examination showed some promyelocytes...
April 13, 2018: American Journal of Case Reports
https://www.readbyqxmd.com/read/29650252/the-interferon-stimulated-gene-trim22-a-double-edged-sword-in-hiv-1-infection
#7
REVIEW
Elisa Vicenzi, Guido Poli
Infection of target cells by the human immunodeficiency virus type-1 (HIV-1) is hampered by constitutively expressed host cell proteins preventing or curtailing virus replication and therefore defined as "restriction factors". Among them, members of the tripartite motif (TRIM) family have emerged as important players endowed with both antiviral effects and modulatory capacity of the innate immune response. TRIM5α and TRIM19 (i.e. promyelocytic leukemia, PML) are among the best-characterized family members; however, in this review we will focus on the potential role of another family member, i...
February 10, 2018: Cytokine & Growth Factor Reviews
https://www.readbyqxmd.com/read/29629493/double-sided-personality-effects-of-arsenic-trioxide-on-inflammation
#8
REVIEW
Juan Zhang, Yue Zhang, Weiyan Wang, Chunling Li, Zhiyi Zhang
In 1992, arsenic trioxide (As2 O3 , ATO) was demonstrated to be an effective therapeutic agent against acute promyelocytic leukemia (APL), rekindling attention to ATO applications in U.S. Food and Drug Administration clinical trials for the treatment of cancers, such as leukemia, lymphomas, and solid tumors. ATO is a potent chemotherapeutic drug that can also be used to treat other diseases, such as autoimmune diseases, because it affects multiple pathways including apoptosis induction, differentiation stimulation, and proliferation inhibition...
April 9, 2018: Inflammation
https://www.readbyqxmd.com/read/29622892/myeloperoxidase-deficient-acute-promyelocytic-leukemia-report-of-two-cases
#9
Pulkit Rastogi, Saniya Sharma, Sreejesh Sreedharanunni, Prashant Sharma, Man Updesh Singh Sachdeva, Richa Jain, Shano Naseem, Amit Trehan, Neelam Varma
No abstract text is available yet for this article.
April 2018: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/29616847/switching-from-all-trans-retinoic-acid-to-arsenic-trioxide-for-newly-diagnosed-acute-promyelocytic-leukemia
#10
Jun Imagawa
No abstract text is available yet for this article.
April 4, 2018: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/29616132/a-radioresistant-fraction-of-acute-promyelocytic-leukemia-cells-exhibit-cd38-cell-surface-antigen-and-mrna-expression
#11
Satoru Monzen, Mitsuru Chiba, Tatsuya Ueno, Yuki Morino, Kenji Terada, Hiroki Yamaya, Yoichiro Hosokawa
In the present study, the cell viability and cluster of differentiation (CD)38 mRNA expression were evaluated in radioresistant (Res)-HL60 acute promyelocytic leukemia (APL) cells. Cell viability in Res-HL60 cells was higher compared with wild-type HL60 cells, but did not differ between high and mid/low CD38 antigen expression groups in Res-HL60 cells. A higher expression of CD38 mRNA in Res-HL60 cells was observed, particularly in the CD38high cell subpopulation. Furthermore, the expression of CD38 mRNA was upregulated following exposure to X-irradiation...
May 2018: Oncology Letters
https://www.readbyqxmd.com/read/29615003/role-of-cytarabine-in-paediatric-acute-promyelocytic-leukemia-treated-with-the-combination-of-all-trans-retinoic-acid-and-arsenic-trioxide-a-randomized-controlled-trial
#12
Li Zhang, Yao Zou, Yumei Chen, Ye Guo, Wenyu Yang, Xiaojuan Chen, Shuchun Wang, Xiaoming Liu, Min Ruan, Jiayuan Zhang, Tianfeng Liu, Fang Liu, Benquan Qi, Wenbin An, Yuanyuan Ren, Lixian Chang, Xiaofan Zhu
BACKGROUND: The combination of all-trans-retinoic acid (ATRA) and arsenic trioxide (ATO) has been suggested to be safe and effective for adult acute promyelocytic leukaemia (APL). As of 2010, the role of cytarabine (Ara-C) in APL was controversial. The aim of this study was to test the efficacy and safety of ATRA and ATO in paediatric APL patients. Also, we assessed whether Ara-C could be omitted in ATO and ATRA- based trials in children. METHODS: We performed a randomized controlled trial in paediatric APL patients (≤14 years of age) in our hospital from May 2010 to December 2016...
April 3, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29610575/arsenic-trioxide-induces-apoptosis-and-the-formation-of-reactive-oxygen-species-in-rat-glioma-cells
#13
Yuanyuan Sun, Chen Wang, Ligang Wang, Zhibo Dai, Kongbin Yang
Background: Arsenic trioxide (As2 O3 ) has a dramatic therapeutic effect on acute promyelocytic leukemia (APL) patients. It can also cause apoptosis in various tumor cells. This study investigated whether As2 O3 has an antitumor effect on glioma and explored the underlying mechanism. Results: MTT and trypan blue assays showed that As2 O3 remarkably inhibited growth of C6 and 9 L glioma cells. Cell viability decreased in glioma cells to a greater extent than in normal glia cells...
2018: Cellular & Molecular Biology Letters
https://www.readbyqxmd.com/read/29609160/isolation-of-hl-60-cancer-cells-from-the-human-serum-sample-using-mno-2-pei-ni-au-aptamer-as-a-novel-nanomotor-and-electrochemical-determination-of-thereof-by-aptamer-gold-nanoparticles-poly-3-4-ethylene-dioxythiophene-modified-gc-electrode
#14
Mahmoud Amouzadeh Tabrizi, Mojtaba Shamsipur, Reza Saber, Saeed Sarkar
Herein, aptamer-modified self-propelled nanomotors were used for transportation of human promyelocytic leukemia cells (HL-60) from a human serum sample. For this purpose, the fabricated manganese oxide nanosheets-polyethyleneimine decorated with nickel/gold nanoparticles (MnO2 -PEI/Ni/Au) as nanomotors were added to a vial containing thiolated aptamer KH1C12 solution as a capture aptamer to attach to the gold nanoparticles on the surface of nanomotors covalently. The aptamer-modified self-propelled nanomotors (aptamerKH1C12 /nanomotors) were then separated by placing the vial in a magnetic stand...
March 17, 2018: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/29602066/new-synergistic-combinations-of-differentiation-inducing-agents-in-the-treatment-of-acute-promyelocytic-leukemia-cells
#15
Amir Amanzadeh, Vahid Molla-Kazemiha, Saeed Samani, Mahdi Habibi-Anbouhi, Kayhan Azadmanesh, Mohsen Abolhassani, Mohammad Ali Shokrgozar
Acute promyelocytic leukemia (APL) was considered to be one of the most lethal forms of leukemia in adults before the introduction of the vitamin A metabolite all-trans retinoic acid (ATRA). Surprisingly, it has been confirmed that FICZ (6-Formylindolo (3, 2-b) carbazole) enhances ATRA-induced differentiation. Moreover, a number of studies have demonstrated that anti CD44 monoclonal antibody (mAb) induces to bring back differentiation blockage the leukemic stem cells. The level of differentiation markers including CD11b and CD11c in NB4 cells was assessed by flow cytometry...
January 17, 2018: Leukemia Research
https://www.readbyqxmd.com/read/29599493/ring-tetramerization-is-required-for-nuclear-body-biogenesis-and-pml-sumoylation
#16
Pengran Wang, Shirine Benhenda, Haiyan Wu, Valérie Lallemand-Breitenbach, Tao Zhen, Florence Jollivet, Laurent Peres, Yuwen Li, Sai-Juan Chen, Zhu Chen, Hugues de Thé, Guoyu Meng
ProMyelocyticLeukemia nuclear bodies (PML NBs) are stress-regulated domains directly implicated in acute promyelocytic leukemia eradication. Most TRIM family members bind ubiquitin E2s and many acquire ligase activity upon RING dimerization. In contrast, PML binds UBC9, the SUMO E2 enzyme. Here, using X-ray crystallography and SAXS characterization, we demonstrate that PML RING tetramerizes through highly conserved PML-specific sequences, which are required for NB assembly and PML sumoylation. Conserved residues implicated in RING dimerization of other TRIMs also contribute to PML tetramer stability...
March 29, 2018: Nature Communications
https://www.readbyqxmd.com/read/29597191/arkadia-ring-finger-protein-111-mediates-sumoylation-dependent-stabilization-of-nrf2-through-k48-linked-ubiquitination
#17
Deneshia J McIntosh, Treniqka S Walters, Ifeanyi J Arinze, Jamaine Davis
BACKGROUND/AIMS: The transcription factor Nrf2 is a master regulator of the antioxidant defense system, protecting cells from oxidative damage. We previously reported that the SUMO-targeted E3 ubiquitin ligase (STUbL), RING finger protein 4 (RNF4) accelerated the degradation rate of Nrf2 in promyelocytic leukemia-nuclear body (PML-NB)-enriched fractions and decreased Nrf2-mediated gene transcription. The mechanisms that regulate Nrf2 nuclear levels are poorly understood. In this study, we aim to explore the role of the second mammalian STUbL, Arkadia/RNF111 on Nrf2...
March 23, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29596829/influence-of-apl-therapeutic-drugs-on-nuclear-pore-complex-density-and-integrity
#18
Anna Lång, Alexander Øye, Jens Eriksson, Alexander D Rowe, Emma Lång, Stig Ove Bøe
During cell division, a large number of nuclear proteins are released into the cytoplasm due to nuclear envelope breakdown. Timely nuclear import of these proteins following exit from mitosis is critical for establishment of the G1 nuclear environment. Dysregulation of post-mitotic nuclear import may affect the fate of newly divided stem or progenitor cells and may lead to cancer. Acute promyelocytic leukemia (APL) is a malignant disorder that involves a defect in blood cell differentiation at the promyelocytic stage...
March 26, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29594316/an-integrated-approach-to-elucidate-signaling-pathways-of-dioscin-induced-apoptosis-energy-metabolism-and-differentiation-in-acute-myeloid-leukemia
#19
She-Hung Chan, Pi-Hui Liang, Jih-Hwa Guh
Although the therapeutics have improved the rates of remission and cure of acute myelogenous leukemia (AML) in recent decades, there is still an unmet medical need for AML therapies because disease relapses are a major obstacle in patients who become refractory to salvage therapy. The development of therapeutic agents promoting both cytotoxicity and cell differentiation may provide opportunities to improve the clinical outcome. Dioscin-induced apoptosis in leukemic cells was identified through death receptor-mediated extrinsic apoptosis pathway...
March 28, 2018: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/29593529/pathway-based-analysis-of-genome-wide-association-data-identified-snps-in-hmmr-as-biomarker-for-chemotherapy-induced-neutropenia-in-breast-cancer-patients
#20
Behzad Bidadi, Duan Liu, Krishna R Kalari, Matthias Rubner, Alexander Hein, Matthias W Beckmann, Brigitte Rack, Wolfgang Janni, Peter A Fasching, Richard M Weinshilboum, Liewei Wang
Neutropenia secondary to chemotherapy in breast cancer patients can be life-threatening and there are no biomarkers available to predict the risk of drug-induced neutropenia in those patients. We previously performed a genome-wide association study (GWAS) for neutropenia events in women with breast cancer who were treated with 5-fluorouracil, epirubicin and cyclophosphamide and recruited to the SUCCESS-A trial. A genome-wide significant single-nucleotide polymorphism (SNP) signal in the tumor necrosis factor superfamily member 13B ( TNFSF13B ) gene, encoding the cytokine B-cell activating factor (BAFF), was identified in that GWAS...
2018: Frontiers in Pharmacology
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