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https://www.readbyqxmd.com/read/27919787/modulation-of-post-translational-modifications-in-%C3%AE-catenin-and-lrp6-inhibits-wnt-signaling-pathway-in-pancreatic-cancer
#1
Bharti Garg, Bhuwan Giri, Kaustav Majumder, Vikas Dudeja, Sulagna Banerjee, Ashok Saluja
β-catenin/Wnt Signaling pathway is critically regulated in a normal cell by a number of post-translational modifications. In pancreatic cancer however, aberrant activation of this pathway plays a significant role in tumor progression and metastasis. Though a number of studies have focused on understanding Wnt Signaling pathway in pancreatic cancer, there has been no systematic study to evaluate molecules that may be affecting this pathway. In the current study, we used a diterepende triepoxide, triptolide, to inhibit post-translational modifications in Wnt pathway and evaluated how this compound may be affecting the intricate signaling that regulates cell proliferation in pancreatic cancer...
December 2, 2016: Cancer Letters
https://www.readbyqxmd.com/read/27919655/novel-carbazole-sulfonamide-derivatives-of-antitumor-agent-synthesis-antiproliferative-activity-and-aqueous-solubility
#2
Lianqi Sun, Yanbin Wu, Yonghua Liu, Xiaofang Chen, Laixing Hu
The current optimization of IG-105 (3) on the carbazole-ring provided a series of new carbazole sulfonamides derivatives 13a-13m. All of the compounds have been evaluated against HepG2 cells (hepatoma cancer) for antiproliferative activity. Compounds that showed activity better or comparable to that of 3 versus HepG2 were evaluated against MCF-7 (breast cancer), MIA PaCa-2 (pancreatic cancer), and Bel-7402 (hepatoma/liver cancer) for antiproliferative activity. Of the seven compounds selected for further study five (13b, 13g, 13j, 13k and 13l) were found to give IC50 values against the four cell lines comparable to those for 3...
November 25, 2016: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/27918906/diet-and-the-risk-of-head-and-neck-cancer-among-never-smokers-and-smokers-in-a-chinese-population
#3
Carrie Butler, Yuan-Chin Amy Lee, Shuang Li, Qian Li, Chien-Jen Chen, Wan-Lun Hsu, Pen-Jen Lou, Cairong Zhu, Jian Pan, Hongbing Shen, Hongxia Ma, Lin Cai, Baochang He, Yu Wang, Xiaoyan Zhou, Qinghai Ji, Baosen Zhou, Wei Wu, Jie Ma, Paolo Boffetta, Zuo-Feng Zhang, Min Dai, Mia Hashibe
BACKGROUND: Few studies have been conducted in China to investigate the association between diet and the risk of head-and-neck cancer (HNC). The aim of this study was to determine the relationship between diet and HNC risk in the Chinese population and to examine whether smoking status has any effect on the risk. METHODS: Our multicenter case-control study included 921 HNC cases and 806 controls. We obtained information on the frequency of both animal- and plant-based food consumption...
December 2, 2016: Cancer Epidemiology
https://www.readbyqxmd.com/read/27917888/heterotrophy-promotes-the-re-establishment-of-photosynthate-translocation-in-a-symbiotic-coral-after-heat-stress
#4
Pascale Tremblay, Andrea Gori, Jean François Maguer, Mia Hoogenboom, Christine Ferrier-Pagès
Symbiotic scleractinian corals are particularly affected by climate change stress and respond by bleaching (losing their symbiotic dinoflagellate partners). Recently, the energetic status of corals is emerging as a particularly important factor that determines the corals' vulnerability to heat stress. However, detailed studies of coral energetic that trace the flow of carbon from symbionts to host are still sparse. The present study thus investigates the impact of heat stress on the nutritional interactions between dinoflagellates and coral Stylophora pistillata maintained under auto- and heterotrophy...
December 5, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27916555/adx71943-and-adx71441-novel-positive-allosteric-modulators-of-the-gabab-receptor-with-distinct-central-peripheral-profiles-show-efficacy-in-the-monosodium-iodoacetate-model-of-chronic-osteoarthritis-pain-in-the-rat
#5
Mikhail Kalinichev, Tansy Donovan-Rodriguez, Françoise Girard, Hasnaá Haddouk, Isabelle Royer-Urios, Manfred Schneider, Simon T Bate, Cheryl Marker, James D Pomonis, Sonia Poli
We tested novel positive allosteric modulators (PAMs) of the γ-aminobutyric acid receptor B (GABAB), ADX71943 and ADX71441in the monosodium iodoacetate model of chronic osteoarthritis pain in rats with the objective to delineate the role of peripheral versus central GABAB receptor populations in modulation of chronic pain. Anesthetized Sprague-Dawley rats received an injection of monosodium iodoacetate into the knee and were tested for hyperalgesia starting post-MIA day 14. Effects of compounds on ipsilateral joint compression threshold were evaluated on post-MIA day 14 (after acute treatment), as well as after repeated, daily treatment on days 21 and 28 (ADX71943 only) and were compared to those of celecoxib (30mg/kg, p...
December 1, 2016: European Journal of Pharmacology
https://www.readbyqxmd.com/read/27916347/new-treatment-strategy-with-nuclear-factor-%C3%AE%C2%BAb-inhibitor-for-pancreatic-cancer
#6
Takashi Horiuchi, Tadashi Uwagawa, Yoshihiro Shirai, Nobuhiro Saito, Ryota Iwase, Koichiro Haruki, Hiroaki Shiba, Toya Ohashi, Katsuhiko Yanaga
BACKGROUND: Because of difficulties with early diagnosis, most patients with pancreatic cancer receive chemotherapy. The National Comprehensive Cancer Network guidelines (version 2.2015) suggest therapy with gemcitabine (GEM) plus nab-paclitaxel (nPTX) as a category 1 recommendation for metastatic pancreatic ductal adenocarcinoma. According to the results of many studies, the activation of chemotherapeutic agents-induced nuclear factor-κB (NF-κB) causes chemoresistance. Hence, we hypothesized that the addition of nafamostat mesilate (NM), a potent NF-κB inhibitor, to GEM/nPTX therapy could enhance the antitumor effect in the treatment of pancreatic ductal adenocarcinoma...
November 2016: Journal of Surgical Research
https://www.readbyqxmd.com/read/27915398/the-interactive-electrode-localization-utility-software-for-automatic-sorting-and-labeling-of-intracranial-subdural-electrodes
#7
Roan A LaPlante, Wei Tang, Noam Peled, Deborah I Vallejo, Mia Borzello, Darin D Dougherty, Emad N Eskandar, Alik S Widge, Sydney S Cash, Steven M Stufflebeam
PURPOSE: Existing methods for sorting, labeling, registering, and across-subject localization of electrodes in intracranial encephalography (iEEG) may involve laborious work requiring manual inspection of radiological images. METHODS: We describe a new open-source software package, the interactive electrode localization utility which presents a full pipeline for the registration, localization, and labeling of iEEG electrodes from CT and MR images. In addition, we describe a method to automatically sort and label electrodes from subdural grids of known geometry...
December 3, 2016: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/27914007/evaluation-of-68-ga-labeled-peptide-tracer-for-detection-of-gelatinase-expression-after-myocardial-infarction-in-rat
#8
Max Kiugel, Ville Kytö, Tiina Saanijoki, Heidi Liljenbäck, Olli Metsälä, Mia Ståhle, Johanna Tuomela, Xiang-Guo Li, Pekka Saukko, Juhani Knuuti, Anne Roivainen, Antti Saraste
BACKGROUND: Matrix metalloproteinases 2 and 9 (MMP-2/9) play a role in extracellular matrix remodeling after an ischemic myocardial injury. We evaluated (68)Ga-DOTA-peptide targeting MMP-2/9 for the detection of gelatinase expression after myocardial infarction (MI) in rat. METHODS: Rats were injected with 43 ± 7.7 MBq of (68)Ga-DOTA-peptide targeting MMP-2/9 at 7 days (n = 7) or 4 weeks (n = 8) after permanent coronary ligation or sham operation (n = 5 at both time points) followed by positron emission tomography (PET)...
December 2, 2016: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/27911838/antagonists-of-growth-hormone-releasing-hormone-receptor-induce-apoptosis-specifically-in-retinoblastoma-cells
#9
Wai Kit Chu, Ka Sin Law, Sun On Chan, Jason Cheuk Sing Yam, Li Jia Chen, Hao Zhang, Herman S Cheung, Norman L Block, Andrew V Schally, Chi Pui Pang
Retinoblastoma (RB) is the most common intraocular cancer in children worldwide. Current treatments mainly involve combinations of chemotherapies, cryotherapies, and laser-based therapies. Severe or late-stage disease may require enucleation or lead to fatality. Recently, RB has been shown to arise from cone precursor cells, which have high MDM2 levels to suppress p53-mediated apoptosis. This finding leads to the hypothesis that restoring apoptosis mechanisms in RBs could specifically kill the cancer cells without affecting other retinal cells...
November 23, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27909492/a-comparison-between-dabigatran-and-warfarin-on-time-to-elective-cardioversion
#10
Amanda N Basto PharmD, Nathan P Fewel PharmD, Rajiv Gupta Md, Eileen M Stock PhD, Mia Ta PharmD
OBJECTIVE: To evaluate the use of dabigatran versus warfarin on time to elective direct current cardioversion (DCCV). METHODOLOGY: This retrospective observational study was conducted at a single Veterans Affairs hospital in the Southwestern region of the U.S. Patients with atrial fibrillation or atrial flutter who were initiated on either warfarin or dabigatran prior to DCCV were reviewed. The time to cardioversion was compared between warfarin and dabigatran, as well as costs of therapy, rescheduling rates, and adverse events...
April 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27905541/serbian-language-version-of-the-modified-checklist-for-autism-in-toddlers-revised-with-follow-up-cross-cultural-adaptation-and-assessment-of-reliability
#11
Mia Carakovac, Jelena Jovanovic, Marko Kalanj, Nenad Rudic, Olivera Aleksic-Hil, Branko Aleksic, Itzel Bustos Villalobos, Hideki Kasuya, Norio Ozaki, Dusica Lecic-Tosevski, Milica Pejovic-Milovancevic
Early detection of Autism Spectrum Disorder (ASD) has proven to be of high significance, however there is a limited availability of ASD screening tools in Serbian language. In this study we aim to translate, assess reliability and, in part, test the applicability of Modified Checklist for Autism in Toddlers, Revised, with Follow-Up (M-CHAT R/F) in Serbian Healthcare environment. We screened 128 children in three primary healthcare centres and 20 children in a tertiary psychiatric center, using M-CHAT R/F translated into Serbian language, between December 2014 and October 2015...
December 1, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27904047/protective-effect-of-deer-bone-oil-on-cartilage-destruction-in-rats-with-monosodium-iodoacetate-mia-induced-osteoarthritis
#12
Hyeon-Son Choi, Suji Im, Je Won Park, Hyung Joo Suh
The anti-osteoarthritic activity of the methanol fraction of deer bone oil extract (DBO-M) was evaluated in interleukin (IL)-1β-inflamed primary rabbit chondrocytes and in rats with monosodium iodoacetate (MIA)-induced osteoarthritis. The active compound in DBO-M was analyzed using a direct infusion liquid chromatography quadrupole (LCQ) ion-trap electrospray ionization (ESI)-mass spectrometer (MS). DBO-M significantly suppressed the IL-1β-induced sulfated-glycosaminoglycan (s-GAG) release from chondrocyte, and lowered mRNA levels of the collagen-degrading enzymes matrix metalloproteinase (MMP)-1 and MMP-3 in a dose-dependent manner...
2016: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/27903455/complexation-hydrogels-as-potential-carriers-in-oral-vaccine-delivery-systems
#13
Mia Yoshida, Noriyasu Kamei, Keiya Muto, Jun Kunisawa, Kozo Takayama, Nicholas A Peppas, Mariko Takeda-Morishita
Most current vaccine preparations are in injectable forms, which are inconvenient to patients and ineffective in mucosal immunization. Therefore, most research in this field has been directed at developing ideal oral vaccines enabling the induction of both systemic and mucosal immune responses. In the present study, we examined the utility of a pH-responsive polymeric carrier, poly (methacrylic acid-g-ethylene glycol) [P (MAA-g-EG)] hydrogel, as a potential oral vaccine carrier that can protect cargo proteins in the gastrointestinal tract...
November 26, 2016: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/27901477/the-neurotrophin-neuritin1-cpg15-is-involved-in-melanoma-migration-attachment-independent-growth-and-vascular-mimicry
#14
Anja Katrin Bosserhoff, Nadja Schneider, Lisa Ellmann, Lucie Heinzerling, Silke Kuphal
The neurotrophin Neuritin1 (NRN1; cpg15) belongs to the candidate plasticity gene (CPG) family and is expressed in postmitotic-differentiating neurons of the developmental nervous system and neuronal structures associated with plasticity in the brain of human adult.Our newest findings document that NRN1 deregulation could contribute also to disease development and have impact on malignant melanoma. Our analyses displayed the over-expression of NRN1 in melanoma in vitro and in vivo, shown by immunohistochemistry and qRT-PCR on microdissected melanoma tissue; furthermore, soluble NRN1 was detectable in tissue culture supernatant and serum of melanoma patients...
November 25, 2016: Oncotarget
https://www.readbyqxmd.com/read/27899775/-leukemia
#15
Minenori Eguchi-Ishimae, Mariko Eguchi
Leukemia is derived from hematopoietic stem/progenitor cells that have acquired genetic abnormalities, leading to malignant transformation. The basis of therapyfor leukemia is a combination of anti-cancer drugs based on risk stratification. The overall 5-year survival rate in leukemia patients of all ages is still 40%, although it has improved in pediatric patients. Leuke- mia itself is a heterogeneous disease that includes various entities/subtypes with different pathogenic gene aberrations. Selection of the treatment strategylargelydepends on risk stratification, and this in turn is mainlybased on specific recurrent chromosome aberrations...
November 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/27898641/oral-contraceptive-use-dampens-physiological-adaptations-to-sprint-interval-training
#16
Mia A Schaumberg, David G Jenkins, Xanne A K Janse de Jonge, Lynne M Emmerton, Tina L Skinner
PURPOSE: Oral contraceptive (OC) use reduces peak aerobic capacity (V˙O2peak), however, whether it also influences adaptations to training has yet to be determined. This study aimed to examine the influence of OC use on peak performance [peak power output (PPO)] and physiological adaptations [V˙O2peak and peak cardiac output (Q˙peak)] following sprint interval training (SIT) in recreationally-active women. METHODS: Women taking an OC (n=25) or experiencing natural regular menstrual cycles (MC; n=16) completed an incremental exercise test to assess V˙O2peak, PPO, and Q˙peak before, immediately after, and four weeks following 12 sessions of SIT...
November 28, 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27897461/stability-development-of-immediately-loaded-hybrid-self-tapping-implants-inserted-in-the-posterior-maxilla-1-year-results-of-a-randomized-controlled-trial
#17
Vladimir S Todorovic, Miroslav Vasovic, Mia-Michaela Beetge, Andre W van Zyl, Vladimir Kokovic
The objective of the present study was to elucidate stability development of immediately loaded hybrid self-tapping implants inserted in the posterior maxilla. Forty-eight hybrid self-tapping implants with a chemically modified surface (∅4.1; length 8 mm) were inserted bilateral in the maxillary 1st and 2nd premolar and 1st molar sites of eight patients. In each patient, both sides of maxilla were randomly assigned to either immediate (IL) or early (EL) loading group. Implant stability was evaluated by means of resonance frequency analysis immediately after implant placement and after 1, 2, 3, 4, 5, 6, 12, 26 and 52 weeks...
November 29, 2016: Journal of Oral Implantology
https://www.readbyqxmd.com/read/27896917/on-the-pathogenesis-of-mtor-associated-stomatitis-mias-studies-using-an-organotypic-model-of-the-oral-mucosa
#18
Stephen Sonis, Paulette Wright Andreotta, Gregory Lyng
OBJECTIVE: mTOR inhibitor treatment of solid cancers is associated with mTOR inhibitor-associated stomatitis (mIAS) a common, significant, dose-limiting toxicity, with aphthous-like lesions. Our objective was to assess the utility of a new organotypic model in defining mIAS' pathogenesis. MATERIALS AND METHODS: The effect of everolimus on organotypic human oral mucosa was studied. Sterile specimens were assessed 24 hr and 48 hr after exposure to varying concentrations of everolimus...
November 29, 2016: Oral Diseases
https://www.readbyqxmd.com/read/27889699/comparison-of-clinical-factors-between-patients-with-angiotensin-converting-enzyme-inhibitor-induced-angioedema-and-cough
#19
Pär Hallberg, Julia Nagy, Malgorzata Karawajczyk, Leif Nordang, Gunilla Islander, Pia Norling, Hans-Erik Johansson, Mary Kämpe, Svante Hugosson, Qun-Ying Yue, Mia Wadelius
BACKGROUND: Angioedema is a rare and serious adverse drug reaction (ADR) to angiotensin-converting enzyme (ACE) inhibitor treatment. Dry cough is a common side effect of ACE inhibitors and has been identified as a possible risk factor for angioedema. OBJECTIVE: We compared characteristics between patients with ACE inhibitor-induced angioedema and cough with the aim of identifying risk factors that differ between these adverse events. METHODS: Data on patients with angioedema or cough induced by ACE inhibitors were collected from the Swedish database of spontaneously reported ADRs or from collaborating clinicians...
November 25, 2016: Annals of Pharmacotherapy
https://www.readbyqxmd.com/read/27889589/higher-morale-is-associated-with-lower-risk-of-depressive-disorders-five-years-later-among-very-old-people
#20
Johan Niklasson, Marina Näsman, Fredrica Nyqvist, Mia Conradsson, Birgitta Olofsson, Hugo Lövheim, Yngve Gustafson
The aim of this study was to investigate whether higher morale, i.e. future-oriented optimism, at baseline was associated with lower risk of depressive disorders five years later among very old people.Methods The Umeå85+/GErontological Regional Database, a population-based study with a longitudinal design, recruited participants in Sweden and Finland aged 85, 90 and ≥95 years. The sample in the present study included 647 individuals (89.1±4.4 years (Mean±SD), range 85-103). After five years, 216 were alive and agreed to a follow-up (92...
November 17, 2016: Archives of Gerontology and Geriatrics
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