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https://www.readbyqxmd.com/read/29164525/heat-shock-factor-4-regulates-the-expression-of-hsp25-and-alpha-b-crystallin-by-associating-with-dexd-h-box-rna-helicase-uap56
#1
Xiukun Cui, Wenxiu Han, Jing Li, Riping Feng, Zheng Zhou, JiuLi Han, Mengyuan Li, Shuangfeng Wang, Wanting Zhang, Qin Lei, Jun Zhang, Yutiao Liu, Yanzhong Hu
Heat shock factor 4 controls the transcription of small heat shock proteins (e.g., HSP25, alpha B-cyrstallin, and r-crystallin), that play important roles in modulating lens proteostasis. However, the molecular mechanism underlying HSF4-mediated transcription is still unclear. Using yeast two hybrid, we found that HSF4 interacts with the ATP-dependent DEXD/H-box RNA helicase UAP56, and their interaction in lens epithelial cell line was further confirmed by GST-pull down assay. UAP56 is a vital regulator of pre-mRNA splicing and mature mRNA nuclear export...
November 21, 2017: Cell Stress & Chaperones
https://www.readbyqxmd.com/read/29163377/wild-grape-associated-yeasts-as-promising-biocontrol-agents-against-vitis-vinifera-fungal-pathogens
#2
Gustavo Cordero-Bueso, Nicola Mangieri, David Maghradze, Roberto Foschino, Federica Valdetara, Jesús M Cantoral, Ileana Vigentini
The increasing level of hazardous residues in the environment and food chains has led the European Union to restrict the use of chemical fungicides. Thus, exploiting new natural antagonistic microorganisms against fungal diseases could serve the agricultural production to reduce pre- and post-harvest losses, to boost safer practices for workers and to protect the consumers' health. The main aim of this work was to evaluate the antagonistic potential of epiphytic yeasts against Botrytis cinerea, Aspergillus carbonarius, and Penicillium expansum pathogen species...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29162724/progesterone-receptor-a-promotes-invasiveness-and-metastasis-of-luminal-breast-cancer-by-suppressing-regulation-of-critical-micro-rnas-by-estrogen
#3
Thomas McFall, Brooke McKnight, Rayna Rosati, Seongho Kim, Yanfang Huang, Nerissa Viola-Villegas, Manohar Ratnam
Distal metastasis of luminal breast cancer is frequent and incurable, yet the metastasis mechanisms are poorly understood. Estrogen, even at postmenopausal concentrations, suppresses invasiveness of luminal breast cancer cells through the estrogen receptor (ER). Invasive tumors overexpress the short progesterone receptor A (PR-A) isoform. Even at postmenopausal concentrations, progesterone activates PR-A, inducing invasiveness by counteracting estrogens effects, particularly when cells are hyper-sensitized to progesterone by PR-A overexpression...
November 21, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29162400/an-alternative-method-for-custom-prime-a-case-report-of-successful-peripheral-blood-stem-cell-harvesting-from-two-low-weight-child-donors
#4
Ashraf Malek Mohammadi, Amir Hossein Norooznezhad, Parivash Aminian, Mohsen Nikbakht, Bahram Chahardouli, Shahrbano Rostami, Farhad Heshmati, Saeed Mohammadi, Ardeshir Ghavamzadeh
Allogeneic peripheral blood stem cell (APBSCs) transplantation is an effective treatment for hematological malignancies. However low-weight donor children meet some complications. In the current report, PBSCs were harvested from a 14-month-old child (9.8Kg) for a 6years old sibling recipient suffering from pre-B type of acute lymphoblastic leukemia (ALL) and also 24 months old male child donor (12Kg) for a haploidentical recipient suffering from acute myeloid leukemia (AML-M4EO). The PBSC harvesting was performed using Spectra™ Optia(®) apheresis software with continuous mononuclear cell (CMNC) procedure...
November 8, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/29160738/h4k20me2-distinguishes-pre-replicative-from-post-replicative-chromatin-to-appropriately-direct-dna-repair-pathway-choice-by-53bp1-rif1-mad2l2
#5
Marco Simonetta, Inge de Krijger, Judit Serrat, Nathalie Moatti, Diogo Fortunato, Liesbeth Hoekman, Onno B Bleijerveld, A F Maarten Altelaar, Jacqueline J L Jacobs
The main pathways for the repair of DNA double strand breaks (DSBs) are non-homologous end-joining (NHEJ) and homologous recombination directed repair (HDR). These operate mutually exclusive and are activated by 53BP1 and BRCA1, respectively. As HDR can only succeed in the presence of an intact copy of replicated DNA, cells employ several mechanisms to inactivate HDR in the G1 phase of cell cycle. As cells enter S-phase, these inhibitory mechanisms are released and HDR becomes active. However, during DNA replication, NHEJ and HDR pathways are both functional and non-replicated and replicated DNA regions co-exist, with the risk of aberrant HDR activity at DSBs in non-replicated DNA...
November 21, 2017: Cell Cycle
https://www.readbyqxmd.com/read/29160425/local-and-systemic-effects-of-fibrin-and-cyanoacrylate-adhesives-on-lung-lesions-in-rabbits
#6
Marcus V H Carvalho, Evaldo Marchi, Andre J Fruchi, Bruno V B Dias, Clovis L Pinto, Geovane R Dos Santos, Milena M P Acencio
OBJECTIVES: Tissue adhesives can be used to prevent pulmonary air leaks, which frequently occur after lung interventions. The objective of this study is to evaluate local and systemic effects of fibrin and cyanoacrylate tissue adhesives on lung lesions in rabbits. METHODS: Eighteen rabbits were submitted to videothoracoscopy + lung incision alone (control) or videothoracoscopy + lung incision + local application of fibrin or cyanoacrylate adhesive. Blood samples were collected and assessed for leukocyte, neutrophil and lymphocyte counts and interleukin-8 levels preoperatively and at 48 hours and 28 days post-operatively...
October 2017: Clinics
https://www.readbyqxmd.com/read/29159964/blocking-antibodies-induced-by-allergen-specific-immunotherapy-ameliorate-allergic-airway-disease-in-a-human-mouse-chimeric-model
#7
Caterina Vizzardelli, Miriam Gindl, Simone Roos, Christian Möbs, Birgit Nagl, Felix Zimmann, Veronika Sexl, Lukas Kenner, Alina Neunkirchner, Gerhard J Zlabinger, Winfried F Pickl, Wolfgang Pfützner, Barbara Bohle
BACKGROUND: Allergen-specific immunotherapy (AIT) induces specific blocking antibodies (Ab) which are claimed to prevent IgE-mediated reactions to allergens. Additionally, AIT modulates cellular responses to allergens, e.g. by desensitizing effector cells, inducing regulatory T and B lymphocytes and immune deviation. It is still enigmatic which of these mechanisms mediate(s) clinical tolerance. We sought to address the role of AIT-induced blocking Ab separately from cellular responses in a chimeric human/mouse model of respiratory allergy...
November 21, 2017: Allergy
https://www.readbyqxmd.com/read/29159800/effects-of-combined-helium-pre-post-conditioning-on-the-brain-and-heart-in-a-rat-resuscitation-model
#8
C Aehling, N C Weber, C J Zuurbier, B Preckel, R Galmbacher, K Stefan, M W Hollmann, E Popp, J Knapp
BACKGROUND: The noble gas helium induces cardio- and neuroprotection by pre- and post-conditioning. We investigated the effects of helium pre- and post-conditioning on the brain and heart in a rat resuscitation model. METHODS: After approval by the Animal Care Committee, 96 Wistar rats underwent cardiac arrest for 6 min induced by ventricular fibrillation. Animals received 70% helium and 30% oxygen for 5 min before cardiac arrest and for 30 min after restoration of spontaneous circulation (ROSC)...
November 20, 2017: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/29158830/sustained-release-talazoparib-implants-for-localized-treatment-of-brca1-deficient-breast-cancer
#9
Jodi E Belz, Rajiv Kumar, Paige Baldwin, Noelle Castilla Ojo, Ana S Leal, Darlene B Royce, Di Zhang, Anne L van de Ven, Karen T Liby, Srinivas Sridhar
Talazoparib, a potent PARP inhibitor, has shown promising clinical and pre-clinical activity by inducing synthetic lethality in cancers with germline Brca1/2 mutations. Conventional oral delivery of Talazoparib is associated with significant off-target effects, therefore we sought to develop new delivery systems in the form of an implant loaded with Talazoparib for localized, slow and sustained release of the drug at the tumor site in Brca1-deficient breast cancer. Poly(lactic-co-glycolic acid) (PLGA) implants (0...
2017: Theranostics
https://www.readbyqxmd.com/read/29158781/hypothalamic-beta-endorphin-neurons-suppress-preneoplastic-and-neoplastic-lesions-development-in-1-2-dimethylhydrazine-induced-rat-colon-cancer-model
#10
Sengottuvelan Murugan, Yatee Dave, Ankush Rakhit, Dipak K Sarkar
In recent years, experimental studies demonstrated negative impacts of impaired body stress response on colonic pathologies. In this study, we tested if reducing body stress response by the use of β-endorphin (BEP) neuronal transplants in the hypothalamus suppresses pre-neoplastic and neoplastic lesions. Colon cancer was induced by injecting 1,2-dimethylhydrazine (DMH) for sixteen weeks in Sprague Dawley rats with BEP neuron transplants or control neuron transplants, and their colonic histopathologies, colon tissue levels of pro-inflammatory cytokines and epithelial-mesenchymal transition (EMT) proteins and splenic levels of cytotoxic proteins were measured...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/29157993/pronase-independent-flow-cytometry-crossmatching-of-rituximab-treated-patients
#11
Mats Alheim, Lars Wennberg, Ann-Charlotte Wikström
ABO-incompatible (ABOi) kidney transplantation has become an established strategy to increase the number of available living donors. At our center, the conditioning protocol for ABOi patients is based on anti-A/B antibody removal and depletion of B cells with the anti-CD20 mAb rituximab (Mabthera®). It is known that even low amounts of remaining rituximab in serum of patients results in false positive B cell cross match results, masking detection of potentially harmful donor human leukocyte antigen (HLA) specific antibodies...
November 17, 2017: Human Immunology
https://www.readbyqxmd.com/read/29157934/posttraumatic-stress-disorder-onset-and-inflammatory-and-endothelial-function-biomarkers-in-women
#12
Jennifer A Sumner, Qixuan Chen, Andrea L Roberts, Ashley Winning, Eric B Rimm, Paola Gilsanz, M Maria Glymour, Shelley S Tworoger, Karestan C Koenen, Laura D Kubzansky
BACKGROUND: Research has linked posttraumatic stress disorder (PTSD) with higher circulating levels of inflammatory and endothelial function (EF) biomarkers, and effects may be bidirectional. We conducted the first investigation of new-onset PTSD and changes in inflammatory and EF biomarkers. METHODS: Data were from women in the Nurses' Health Study II. Biomarkers obtained at two blood draws, 10-16 years apart, included C-reactive protein (CRP), tumor necrosis factor-alpha receptor-II (TNFRII), intercellular adhesion molecule-1 (ICAM-1), and vascular cell adhesion molecule-1 (VCAM-1)...
November 17, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29157311/peripheral-and-local-predictive-immune-signatures-identified-in-a-phase-ii-trial-of-ipilimumab-with-carboplatin-paclitaxel-in-unresectable-stage-iii-or-stage-iv-melanoma
#13
Rahima Jamal, Réjean Lapointe, Eftihia Cocolakis, Paméla Thébault, Shirin Kazemi, Jennifer E Friedmann, Jeanne Dionne, Jean-François Cailhier, Karl Bélanger, Jean-Pierre Ayoub, Huy Le, Caroline Lambert, Jida El-Hajjar, Léon C van Kempen, Alan Spatz, Wilson H Miller
BACKGROUND: Checkpoint blockade with ipilimumab provides long-term survival to a significant proportion of patients with metastatic melanoma. New approaches to increase survival and to predict which patients will benefit from treatment are needed. This phase II trial combined ipilimumab with carboplatin/paclitaxel (CP) to assess its safety, efficacy, and to search for peripheral and tumor-based predictive biomarkers. METHODS: Thirty patients with untreated unresectable/metastatic melanoma were treated with ipilimumab and CP...
November 21, 2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/29157295/single-cell-multiplexed-cytokine-profiling-of-cd19-car-t-cells-reveals-a-diverse-landscape-of-polyfunctional-antigen-specific-response
#14
Qiong Xue, Emily Bettini, Patrick Paczkowski, Colin Ng, Alaina Kaiser, Timothy McConnell, Olja Kodrasi, Máire F Quigley, James Heath, Rong Fan, Sean Mackay, Mark E Dudley, Sadik H Kassim, Jing Zhou
BACKGROUND: It remains challenging to characterize the functional attributes of chimeric antigen receptor (CAR)-engineered T cell product targeting CD19 related to potency and immunotoxicity ex vivo, despite promising in vivo efficacy in patients with B cell malignancies. METHODS: We employed a single-cell, 16-plex cytokine microfluidics device and new analysis techniques to evaluate the functional profile of CD19 CAR-T cells upon antigen-specific stimulation. CAR-T cells were manufactured from human PBMCs transfected with the lentivirus encoding the CD19-BB-z transgene and expanded with anti-CD3/anti-CD28 coated beads...
November 21, 2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/29157131/degradation-of-dye-wastewater-with-a-photoelectric-integration-process-mpec-microbial-fuel-cells-assisted-dual-electrodes-thin-film-photoelectrocatalytic
#15
Deng J Zhong, Yun L Xu, Xue B Hu, Jue X Li, Jin P Jia
A novel photoelectric integration process (MPEC) was developed to degrade Amaranth. In the MPEC, the output voltage of the microbial fuel cells (MFCs) was used to assist the dual slant-placed electrodes thin-film photocatalytic (PC). With two MFCs connected in series, the MPEC process realized the highest decolorization efficiency. It is close to that of the external bias photoelectrocatalytic (PEC), and 7% higher than that of the self-generated electric field-assisted photoelectrocatalytic (SPEC). The feasibility of MPEC pre-treatment and MFC post-treatment of Amaranth was investigated...
November 20, 2017: Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering
https://www.readbyqxmd.com/read/29155426/cd22-targeted-car-t-cells-induce-remission-in-b-all-that-is-naive-or-resistant-to-cd19-targeted-car-immunotherapy
#16
Terry J Fry, Nirali N Shah, Rimas J Orentas, Maryalice Stetler-Stevenson, Constance M Yuan, Sneha Ramakrishna, Pamela Wolters, Staci Martin, Cindy Delbrook, Bonnie Yates, Haneen Shalabi, Thomas J Fountaine, Jack F Shern, Robbie G Majzner, David F Stroncek, Marianna Sabatino, Yang Feng, Dimiter S Dimitrov, Ling Zhang, Sang Nguyen, Haiying Qin, Boro Dropulic, Daniel W Lee, Crystal L Mackall
Chimeric antigen receptor (CAR) T cells targeting CD19 mediate potent effects in relapsed and/or refractory pre-B cell acute lymphoblastic leukemia (B-ALL), but antigen loss is a frequent cause of resistance to CD19-targeted immunotherapy. CD22 is also expressed in most cases of B-ALL and is usually retained following CD19 loss. We report results from a phase 1 trial testing a new CD22-targeted CAR (CD22-CAR) in 21 children and adults, including 17 who were previously treated with CD19-directed immunotherapy...
November 20, 2017: Nature Medicine
https://www.readbyqxmd.com/read/29154022/the-anti-tumor-effect-of-rankl-inhibition-in-malignant-solid-tumors-a-systematic-review
#17
REVIEW
A F de Groot, N M Appelman-Dijkstra, S H van der Burg, J R Kroep
At present, accumulating evidence suggests that inhibition of receptor activator of nuclear factor kappa-B ligand (RANKL) does not only induce an increase in bone mass and strength, but also has anti-tumor effects. Denosumab, an antibody targeting RANKL, is used to treat osteoporosis and to prevent skeletal related events (SREs) in patients with bone metastases originating from solid tumors. However, expression of RANKL and its receptor activator of nuclear factor kappa-B (RANK) is not solely restricted to cells involved in homeostasis of the bone and RANKL-RANK signalling appears to play a substantial role in many other processes in the body like mammary physiology, mammary tumorigenesis and the immune system...
November 2, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/29153588/azole-hydrazone-derivatives-design-synthesis-in-vitro-biological-evaluation-dual-egfr-her2-inhibitory-activity-cell-cycle-analysis-and-molecular-docking-study-as-anticancer-agents
#18
Madlen B Labib, John N Philoppes, Phoebe F Lamie, Esam R Ahmed
In this research, three series of azole-hydrazone derivatives namely, benzimidazole, benzoxazole and benzothiazole were designed and synthesized. Their structures were confirmed by elemental analysis and spectroscopic techniques. Stereochemical configuration of the synthesized compounds (Z/E) was determined. The new derivatives were tested in vitro against both human breast adenocarcinoma (MCF-7) and human hepatic adenocarcinoma (HepG2) cell lines. The most active compounds 3h (IC50 = 0.067 μM against MCF-7) and 3l (IC50 = 0...
November 15, 2017: Bioorganic Chemistry
https://www.readbyqxmd.com/read/29153347/autologous-stem-cell-transplantation-and-stem-cell-mobilization-kinetics-in-elderly-patients-with-b-cell-non-hodgkin-lymphoma
#19
REVIEW
Mehmet Hilmi Dogu, Seçkin Çagirgan, Serkan Ocakci, Ali Hakan Kaya, Kadir Ilkkilic, Neslihan Mandaci Sanli, Selda Kahraman, Rafet Eren, Emre Tekgunduz, Sibel Hacioglu, Leylagul Kaynar, Mehmet Ali Erkurt, Fevzi Altuntas
As known, the world population is aging and as the life span increases the number of advanced-age lymphomas also shows an upward trend. Autologous hematopoietic stem cell transplantation (HSCT) is the standard treatment modality in chemotherapy-sensitive relapsed or refractory aggressive lymphomas. Increased morbidity and mortality related to both the transplant itself and comorbid diseases can be observed in elderly lymphoma patients. Patients who are 65 years or older and underwent autologous HSCT with B-cell non-Hodgkin lymphoma were retrospectively included in our study...
November 8, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/29152836/modulation-of-fatty-acid-metabolism-and-immune-suppression-are-features-of-in-vitro-tumour-sphere-formation-in-ontogenetically-distinct-dog-cancers
#20
J-H Kim, A M Frantz, A L Sarver, B H Gorden Klukas, M Lewellen, T D O'Brien, E B Dickerson, J F Modiano
Non-adherent, 3-dimensional sphere formation is used as an in vitro surrogate to evaluate cellular potential for tumour initiation and self-renewal. To determine if a shared molecular program underlies the capacity for sphere formation by cells originating from diverse tumour types, we characterized molecular and functional properties of 10 independent cell lines derived from 3 ontogenetically distinct dog cancers: hemangiosarcoma, osteosarcoma and glial brain tumours. Genome-wide gene expression profiling identified tumour-of-origin-dependent patterns of adjustment to sphere formation in a uniform culture condition...
November 20, 2017: Veterinary and Comparative Oncology
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