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https://www.readbyqxmd.com/read/28441859/-dnt-cell-inhibits-the-growth-of-pancreatic-carcinoma-via-nkg2d-and-mica-pathway-in-vivo
#1
J Chen, H Xu, X X Zhu, Y Zhao, H Z Fang, J Q Zhao
Objective: To investigate the effects of natural killer group 2 member D (NKG2D) and its ligands major histocompatibility complex class Ⅰ chain-related molecules A(MICA) on DNT cell killing pancreatic carcinoma. Methods: Antibodies adsorption was used to separate DNT cell from human peripheral blood. Human pancreatic tumor models were established via implanting BXPC-3 cells into nude mice, and then mice were randomly divided mice into 3 groups, blank group, gemcitabine group and DNT group. Mice weights and mice tumor volumes were measured every 5 days...
April 25, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28441796/role-of-dietary-crocin-in-in-vivo-melanoma-tumor-remission
#2
Hamid A Bakshi, Faruck Lukmanul Hakkim, Smitha Sam, Farideh Javid
Background: Melanoma is a deadly form of malignancy. Early diagnosis might pave the way to cure but its aggressive nature leads to rapid dissemination and colonization of distant organs. Dietary herbs may play a significant role in prevention of cancer. In this study, we tested anti-tumor efficacy of the Crocus sativus derived active constituent crocin, well established to have anti-cancer properties in different cancer models by our group and other groups and other groups. Notably, crocin is reported to exert anti-proliferative effect on melanoma cells (B16F10) in vitro...
March 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28441703/in-vitro-and-in-vivo-inhibitory-effects-of-%C3%AE-mangostin-on-cholangiocarcinoma-cells-and-allografts
#3
Ratchadawan Aukkanimart, Thidarut Boonmars, Pranee Sriraj, Panupan Sripan, Jiraporn Songsri, Panaratana Ratanasuwan, Porntip Laummaunwai, Parichart Boueroy, Sukhonthip Khueangchaingkhwang, Benjamabhorn Pumhirunroj, Atchara Artchayasawat, Sirintip Boonjaraspinyo, Zhiliang Wu, Chariya Hahnvajanawong, Kulthida Vaeteewoottacharn, Sopit Wongkham
We investigated the anti-cholangiocarcinoma effect of α-mangostin from Garcinia mangostana pericarp extract (GM) in a human cholangiocarcinoma (CCA) cell line and a hamster CCA allograft model. In vitro, human CCA cells were treated with GM at various concentrations and for different time periods; then cell-cycle arrest and apoptosis were evaluated using flow cytometry, and metastatic potential with wound healing assays. In vivo, hamster allografts were treated with GM, gemcitabine (positive control) and a placebo (negative control) for 1 month; tumor weight and volume were then determined...
March 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28441332/pregnant-sheep-in-a-farm-environment-did-not-develop-anaemia
#4
Gabrielle C Musk, Amanda James, Matthew W Kemp, Sara Ritchie, Andrew Ritchie, Michael Laurence
The aim of this study was to document the haematological profile of pregnant ewes throughout gestation. Sheep were divided into three groups (n = 8 per group): non-pregnant, singleton, or twin pregnancy. Blood samples were collected every 14 days from day 55 of gestation for haemoglobin concentration; packed cell volume; total protein; and albumin concentration. On days 55 and 125 of gestation blood was collected for trace element estimation: soluble copper and zinc; glutathione peroxidase (GSHPx); and methylmalonic acid (MMA)...
April 25, 2017: Animals: An Open Access Journal From MDPI
https://www.readbyqxmd.com/read/28441078/comparison-of-0-3-hypotonic-and-isotonic-sodium-hyaluronate-eye-drops-in-the-treatment-of-experimental-dry-eye
#5
Ying Li, Lian Cui, Hyo Seok Lee, Yeon Soo Kang, Won Choi, Kyung Chul Yoon
PURPOSE: To compare the efficacy of 0.3% hypotonic and isotonic sodium hyaluronate (SH) eye drops in the treatment of experimental dry eye. METHODS: Experimental dry eye was established in female C57BL/6 mice by subcutaneous scopolamine injection and an air draft. The mice were divided into three groups (n = 15): control, preservative-free 0.3% isotonic SH, and preservative-free 0.3% hypotonic SH. The tear volume, tear film break-up time, and corneal fluorescein staining scores were measured 5 and 10 days after treatment...
April 25, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28441058/protein-misfolding-diseases
#6
F Ulrich Hartl
The majority of protein molecules must fold into defined three-dimensional structures to acquire functional activity. However, protein chains can adopt a multitude of conformational states, and their biologically active conformation is often only marginally stable. Metastable proteins tend to populate misfolded species that are prone to forming toxic aggregates, including soluble oligomers and fibrillar amyloid deposits, which are linked with neurodegeneration in Alzheimer and Parkinson disease, and many other pathologies...
April 24, 2017: Annual Review of Biochemistry
https://www.readbyqxmd.com/read/28441057/oxidative-stress
#7
Helmut Sies, Carsten Berndt, Dean P Jones
Oxidative stress is two sided: Whereas excessive oxidant challenge causes damage to biomolecules, maintenance of a physiological level of oxidant challenge, termed oxidative eustress, is essential for governing life processes through redox signaling. Recent interest has focused on the intricate ways by which redox signaling integrates these converse properties. Redox balance is maintained by prevention, interception, and repair, and concomitantly the regulatory potential of molecular thiol-driven master switches such as Nrf2/Keap1 or NF-κB/IκB is used for system-wide oxidative stress response...
April 24, 2017: Annual Review of Biochemistry
https://www.readbyqxmd.com/read/28440060/a-practical-approach-in-bioreactor-scale-up-and-process-transfer-using-a-combination-of-constant-p-v-and-vvm-as-the-criterion
#8
Sen Xu, Linda Hoshan, Rubin Jiang, Balrina Gupta, Eric Brodean, Kristin O'Neill, T Craig Seamans, John Bowers, Hao Chen
Bioreactor scale-up is a critical step in the production of therapeutic proteins such as monoclonal antibodies (MAbs). With the scale-up criterion such as similar power input per volume or O2 volumetric mass transfer coefficient (kL a), adequate oxygen supply and cell growth can be largely achieved. However, CO2 stripping in the growth phase is often inadequate. This could cascade down to increased base addition and osmolality, as well as residual lactate increase and compromised production and product quality...
April 25, 2017: Biotechnology Progress
https://www.readbyqxmd.com/read/28439953/feasibility-trial-for-primary-stroke-prevention-in-children-with-sickle-cell-anemia-in-nigeria-spin-trial
#9
Najibah Galadanci, Shehu Umar Abdullahi, Leah D Vance, Abdulkadir Musa Tabari, Shehi Ali, Raymond Belonwu, Auwal Salihu, Aisha Amal Galadanci, Binta Wudil Jibir, Halima Bello-Manga, Kathleen Neville, Fenella J Kirkham, Yu Shyr, Sharon Phillips, Brittany V Covert, Adetola A Kassim, Lori C Jordan, Muktar H Aliyu, Michael R DeBaun
The vast majority of children with sickle cell anemia (SCA) live in Africa, where evidence-based guidelines for primary stroke prevention are lacking. In Kano, Nigeria, we conducted a feasibility trial to determine the acceptability of hydroxyurea therapy for primary stroke prevention in children with abnormal transcranial Doppler (TCD) measurements. Children with SCA and abnormal non-imaging TCD measurements (≥ 200 cm/s) received moderate fixed-dose hydroxyurea therapy (∼20 mg/kg/day). A comparison group of children with TCD measurements < 200 cm/s was followed prospectively...
April 25, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28439902/concentrated-lyophilized-plasma-used-for-reconstitution-of-whole-blood-leads-to-higher-coagulation-factor-activity-but-unchanged-thrombin-potential-compared-with-fresh-frozen-plasma
#10
Giacomo E Iapichino, Martin Ponschab, Janne Cadamuro, Susanne Süssner, Christian Gabriel, Benjamin Dieplinger, Margot Egger, Christoph J Schlimp, Soheyl Bahrami, Herbert Schöchl
BACKGROUND: During massive hemorrhage, it is recommended to transfuse red blood cells, platelet concentrate, and fresh-frozen plasma in a ratio close to 1:1:1. To avoid the thawing process of fresh frozen plasma, lyophilized plasma (LP) is increasingly used. Evidence is limited on the activity of coagulation factors in reconstituted blood using LP and concentrated LP versions. STUDY DESIGN AND METHODS: Whole blood from ten healthy volunteers was separated into red blood cell, fresh frozen plasma, and platelet concentrate units...
April 25, 2017: Transfusion
https://www.readbyqxmd.com/read/28439898/optimizing-autologous-nonmobilized-mononuclear-cell-collections-for-cellular-therapy-in-pediatric-patients-with-high-risk-leukemia
#11
Ehud Even-Or, Maria Di Mola, Muhammad Ali, Sarah Courtney, Elizabeth McDougall, Sarah Alexander, Tal Schechter, James A Whitlock, Christoph Licht, Joerg Krueger
BACKGROUND: The manufacturing of cellular products for immunotherapy, such as chimeric antigen receptor T cells, requires successful collection of mononuclear cells. Collections from children with high-risk leukemia present a challenge, especially because the established COBE Spectra apheresis device is being replaced by the novel Spectra Optia device (Optia) in many institutions. Published experience for mononuclear cell collections in children with Optia is lacking. Our aim was to compare the two collection devices and describe modified settings on the Optia to optimize mononuclear cell collections...
April 25, 2017: Transfusion
https://www.readbyqxmd.com/read/28439814/imaging-the-accumulated-intracellular-microalgal-lipids-as-a-response-to-temperature-stress
#12
Khaled N M Elsayed, Tatiana A Kolesnikova, Anja Noke, Gerd Klöck
Over the last few decades, many scientists considered microalgae as promising actors for future biofuels because of the high lipid productivity inside their cells. Moreover, much attention has been paid to algal lipids as they can be used in biodiesel production. In this study, we optimized the different suitable conditions such as incubation time, incubation temperature, Dimethylesulfoxide and Nile red concentrations of the lipophilic fluorescence dye Nile red as an excellent and fast vital stain to detect and quantify intracellular lipids...
May 2017: 3 Biotech
https://www.readbyqxmd.com/read/28439731/il-10-improves-cardiac-remodeling-after-myocardial-infarction-by-stimulating-m2-macrophage-polarization-and-fibroblast-activation
#13
Mira Jung, Yonggang Ma, Rugmani Padmanabhan Iyer, Kristine Y DeLeon-Pennell, Andriy Yabluchanskiy, Michael R Garrett, Merry L Lindsey
Inflammation resolution is important for scar formation following myocardial infarction (MI) and requires the coordinated actions of macrophages and fibroblasts. In this study, we hypothesized that exogenous interleukin-10 (IL-10), an anti-inflammatory cytokine, promotes post-MI repair through actions on these cardiac cell types. To test this hypothesis, C57BL/6J mice (male, 3- to 6-month old, n = 24/group) were treated with saline or IL-10 (50 μg/kg/day) by osmotic mini-pump infusion starting at day (d) 1 post-MI and sacrificed at d7 post-MI...
May 2017: Basic Research in Cardiology
https://www.readbyqxmd.com/read/28439518/diabetes-adult-neurogenesis-and-brain-remodeling-new-insights-from-rodent-and-zebrafish-models
#14
REVIEW
Anne-Claire Dorsemans, David Couret, Anaïs Hoarau, Olivier Meilhac, Christian Lefebvre d'Hellencourt, Nicolas Diotel
The prevalence of diabetes rapidly increased during the last decades in association with important changes in lifestyle. Diabetes and hyperglycemia are well-known for inducing deleterious effects on physiologic processes, increasing for instance cardiovascular diseases, nephropathy, retinopathy and foot ulceration. Interestingly, diabetes also impairs brain morphology and functions such as (1) decreased neurogenesis (proliferation, differentiation and cell survival), (2) decreased brain volumes, (3) increased blood-brain barrier leakage, (4) increased cognitive impairments, as well as (5) increased stroke incidence and worse neurologic outcomes following stroke...
2017: Neurogenesis (Austin, Tex.)
https://www.readbyqxmd.com/read/28439465/single-exponential-decay-waveform-a-synergistic-combination-of-electroporation-and-electrolysis-e2-for-tissue-ablation
#15
Nina Klein, Enric Guenther, Paul Mikus, Michael K Stehling, Boris Rubinsky
BACKGROUND: Electrolytic ablation and electroporation based ablation are minimally invasive, non-thermal surgical technologies that employ electrical currents and electric fields to ablate undesirable cells in a volume of tissue. In this study, we explore the attributes of a new tissue ablation technology that simultaneously delivers a synergistic combination of electroporation and electrolysis (E2). METHOD: A new device that delivers a controlled dose of electroporation field and electrolysis currents in the form of a single exponential decay waveform (EDW) was applied to the pig liver, and the effect of various parameters on the extent of tissue ablation was examined with histology...
2017: PeerJ
https://www.readbyqxmd.com/read/28438879/definitive-intensity-modulated-radiation-therapy-in-elderly-patients-with-locally-advanced-oropharyngeal-cancer
#16
Francesca DE Felice, Alessandro Galdieri, Gessica Abate, Nadia Bulzonetti, Daniela Musio, Vincenzo Tombolini
BACKGROUND: To evaluate the treatment tolerance and clinical outcomes in patients aged 70 years and older with locally advanced oropharyngeal cancer treated by definitive intensity-modulated radiation therapy (IMRT). PATIENTS AND METHODS: We retrospectively analyzed 15 consecutive elderly patients, with histologically-proven squamous cell carcinoma of the oropharynx, staged T3-4 with or without involved lymph nodes at diagnosis, who received definitive sequential IMRT (70 Gy; 2 Gy/fraction)...
May 2017: In Vivo
https://www.readbyqxmd.com/read/28438671/alkaline-ph-induces-irr-mediated-phosphorylation-of-irs-1-and-actin-cytoskeleton-remodeling-in-a-pancreatic-beta-cell-line
#17
Igor E Deyev, Nadezhda V Popova, Oxana V Serova, Svetlana V Zhenilo, Marì Regoli, Eugenio Bertelli, Alexander G Petrenko
Secretion of mildly alkaline (pH 8.0-8.5) juice to intestines is one of the key functions of the pancreas. Recent reports indicate that the pancreatic duct system containing the alkaline juice may adjoin the endocrine cells of pancreatic islets. We have previously identified the insulin receptor-related receptor (IRR) that is expressed in islets as a sensor of mildly alkaline extracellular media. In this study, we show that those islet cells that are in contact with the excretory ducts are also IRR-expressing cells...
April 21, 2017: Biochimie
https://www.readbyqxmd.com/read/28438606/cell-origin-volume-and-arrangement-are-drivers-of-articular-cartilage-formation-morphogenesis-and-response-to-injury-in-mouse-limbs
#18
Rebekah S Decker, Hyo-Bin Um, Nathaniel A Dyment, Naiga Cottingham, Yu Usami, Motomi Enomoto-Iwamoto, Mark S Kronenberg, Peter Maye, David W Rowe, Eiki Koyama, Maurizio Pacifici
Limb synovial joints are composed of distinct tissues, but it is unclear which progenitors produce those tissues and how articular cartilage acquires its functional postnatal organization characterized by chondrocyte columns, zone-specific cell volumes and anisotropic matrix. Using novel Gdf5(CreERT2) (Gdf5-CE), Prg4-CE and Dkk3-CE mice mated to R26-Confetti or single-color reporters, we found that knee joint progenitors produced small non-migratory progenies and distinct local tissues over prenatal and postnatal time...
April 21, 2017: Developmental Biology
https://www.readbyqxmd.com/read/28438505/turning-down-the-volume-astrocyte-volume-change-in-the-generation-and-termination-of-epileptic-seizures
#19
REVIEW
Thomas R Murphy, Devin K Binder, Todd A Fiacco
Approximately 1% of the global population suffers from epilepsy, a class of disorders characterized by recurrent and unpredictable seizures. Of these cases roughly one-third are refractory to current antiepileptic drugs, which typically target neuronal excitability directly. The events leading to seizure generation and epileptogenesis remain largely unknown, hindering development of new treatments. Some recent experimental models of epilepsy have provided compelling evidence that glial cells, especially astrocytes, could be central to seizure development...
April 21, 2017: Neurobiology of Disease
https://www.readbyqxmd.com/read/28438154/network-based-analysis-reveals-novel-gene-signatures-in-peripheral-blood-of-patients-with-chronic-obstructive-pulmonary-disease
#20
Ma'en Obeidat, Yunlong Nie, Virginia Chen, Casey P Shannon, Anand Kumar Andiappan, Bernett Lee, Olaf Rotzschke, Peter J Castaldi, Craig P Hersh, Nick Fishbane, Raymond T Ng, Bruce McManus, Bruce E Miller, Stephen Rennard, Peter D Paré, Don D Sin
BACKGROUND: Chronic obstructive pulmonary disease (COPD) is currently the third leading cause of death and there is a huge unmet clinical need to identify disease biomarkers in peripheral blood. Compared to gene level differential expression approaches to identify gene signatures, network analyses provide a biologically intuitive approach which leverages the co-expression patterns in the transcriptome to identify modules of co-expressed genes. METHODS: A weighted gene co-expression network analysis (WGCNA) was applied to peripheral blood transcriptome from 238 COPD subjects to discover co-expressed gene modules...
April 24, 2017: Respiratory Research
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