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https://www.readbyqxmd.com/read/29779297/cardiac-rhythm-management-devices
#1
Irene Stevenson, Alex Voskoboinik
BACKGROUND: The last decade has seen ongoing evolution and use of cardiac rhythm management devices, including pacemakers, cardiac resynchronisation therapy, implantable cardioverter defibrillators and loop recorders. General practitioners are increasingly involved in follow-up and management of patients with these devices. OBJECTIVE: The aim of this article is to provide an overview of different cardiac rhythm management devices, including their role, implant procedure, post-procedural care, potential complications and follow‑up...
May 2018: Australian journal of general practice
https://www.readbyqxmd.com/read/29779268/variation-in-polyphenolic-profiles-antioxidant-and-antimicrobial-activity-of-different-achillea-species-as-natural-sources-of-antiglycative-compounds
#2
Mahvash Afshari, Mehdi Rahimmalek, Mehran Miroliaei
A comparative study was carried out on the methanolic extracts from six Achillea species and the examined polyphenols from these plants on the formation of advanced glycation end-products (AGE) in vitro. A. pachycephala which was richer in flavonoids (15 mg quercetin/g W) and phenolics (111.10 mg tannic acid/g DW) with substantial antioxidant activity (IC50 = 365.5 μg/ml) presented strong anti-AGE properties. Chlorogenic acid, luteolin, quercetin and caffeic acid were identified as the major polyphenols in the extracts by HPLC...
May 19, 2018: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/29779264/compliance-to-follow-up-and-adherence-to-medication-in-hypertensive-patients-in-an-urban-informal-settlement-in-kenya-comparison-of-three-models-of-care
#3
Ng'endo Kuria, Anthony Reid, Philip Owiti, Hannock Tweya, Caleb Kipkurui Kibet, Lilian Mbau, Marcel Manzi, Victor Murunga, Tecla Namusonge, Joseph Kibachio
OBJECTIVE: To determine and compare, among three models of care, compliance to scheduled clinic appointments and adherence to anti-hypertensive medication of patients in an informal settlement of Kibera, Kenya. METHODS: Routinely collected patient data were used from three health facilities, six walkway clinics and one weekend/church clinic. Patients were eligible if they had received hypertension care for more than six months. Compliance with clinic appointments and self-reported adherence to medication were determined from clinic records and compared using the Chi-square test...
May 19, 2018: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/29779214/cyanidin-3-glucoside-inhibits-inflammatory-activities-in-human-fibroblast-like-synoviocytes-and-in-mice-with-collagen-induced-arthritis
#4
Yan Sun, Lingling Li
Rheumatoid arthritis (RA) is a chronic autoimmune disease characterized by joint tissue inflammation. Cyanidin-3-glucoside (C3G) is a major component in the flavonoid family and has shown anti-inflammatory, anti-oxidant and anti-tumor activity. In this study, we investigated the effects of C3G on lipopolysaccharides (LPS)-induced inflammation on human rheumatoid fibroblast-like synoviocytes (FLS) and on collagen-induced arthritis (CIA) mice model. We treated FLS with C3G followed by LPS induction, the expressions of tumor necrosis factor alpha (TNF-α), interleukin 1 beta (IL-1β) and IL-6 and the activation of nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) and mitogen-activated protein kinase (MAPK) signaling pathway were analyzed...
May 19, 2018: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/29779201/clinical-acceptability-of-trimetazidine-modified-release-80-mg-once-daily-versus-trimetazidine-modified-release-35-mg-twice-daily-in-stable-angina-pectoris
#5
Yuri M Pozdnyakov
INTRODUCTION: Trimetazidine (TMZ) is an anti-ischemic metabolic agent that has been shown to be efficacious in angina treatment, both in monotherapy and in combination. A new formulation of TMZ modified-release (MR) 80 mg was developed, which is to be taken once daily (od), instead of twice daily (bid) for the currently available TMZ MR 35 mg, with the aim of simplifying the medication regimen. METHODS: The present study was an international, multicenter, randomized, double-blind, parallel-group phase III study with a 12-week treatment period...
May 19, 2018: Cardiology and Therapy
https://www.readbyqxmd.com/read/29779188/vitreomacular-interface-abnormalities-in-patients-with-diabetic-macular-oedema-and-their-implications-on-the-response-to-anti-vegf-therapy
#6
Michael Mikhail, Stephen Stewart, Felicia Seow, Ruth Hogg, Noemi Lois
PURPOSE: To determine whether the presence of vitreomacular interface abnormalities (VMIA) in patients with diabetic macular oedema (DMO) modifies the response to ranibizumab. METHODS: Medical records and spectral-domain optical coherence tomography (SD-OCT) scans of consecutive patients with centre-involving DMO initiating therapy with ranibizumab between December 2013 and March 2014 at the Belfast Health and Social Care Trust were reviewed. Patients were identified through an electronic database...
May 19, 2018: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/29779175/anthocyanins-improve-hippocampus-dependent-memory-function-and-prevent-neurodegeneration-via-jnk-akt-gsk3%C3%AE-signaling-in-lps-treated-adult-mice
#7
Muhammad Sohail Khan, Tahir Ali, Min Woo Kim, Myeung Hoon Jo, Jong Il Chung, Myeong Ok Kim
Microglia plays a critical role in the brain and protects neuronal cells from toxins. However, over-activation of microglia leads to deleterious effects. Lipopolysaccharide (LPS) has been reported to affect neuronal cells via activation of microglia as well as directly to initiate neuroinflammation. In the present study, we evaluated the anti-inflammatory and anti-oxidative effect of anthocyanins against LPS-induced neurotoxicity in an animal model and in cell cultures. Intraperitoneal injections of LPS (250 μg/kg/day for 1 week) induce ROS production and promote neuroinflammation and neurodegeneration which ultimately leads to memory impairment...
May 19, 2018: Molecular Neurobiology
https://www.readbyqxmd.com/read/29779167/mir-199b-5p-regulates-immune-mediated-allograft-rejection-after-lung-transplantation-through-the-gsk3%C3%AE-and-nf-%C3%AE%C2%BAb-pathways
#8
Linhai Zhu, Haichao Xu, Wang Lv, Zhehao He, Peng Ye, Yiqing Wang, Jian Hu
Emerging evidence indicates that acute rejection mainly associated with the inflammatory response is an independent risk factor for chronic rejection after lung transplantation. Monocytes are the main pro-inflammatory leukocytes infiltrating around the lesions and play vital roles in triggering the acute rejection. In the rat lung transplantation model, lipopolysaccharide (LPS)-induced severe acute rejection was strongly associated with advanced chronic rejection. The exact regulatory mechanism of pro-inflammation in monocytes is not yet clear...
May 19, 2018: Inflammation
https://www.readbyqxmd.com/read/29779158/diffusion-weighted-magnetic-resonance-enterography-for-prediction-of-response-to-tumor-necrosis-factor-inhibitors-in-stricturing-crohn-s-disease
#9
Marianne M Amitai, Eyal Klang, Asaf Levartovsky, Noa Rozendorn, Shelly Soffer, Gadeer Ali Taha, Bella Ungar, Tomer Greener, Shomron Ben-Horin, Rami Eliakim, Uri Kopylov
BACKGROUND AND AIMS: Distinguishing between fibrotic and inflammatory strictures in Crohn's disease (CD) is still challenging. The capacity of diffusion-weighted (DWI) magnetic resonance (MRE) to identify intestinal fibrosis was recently demonstrated; however, the therapeutic implications of this association have never been evaluated. The aim of the current study was to identify imaging features, including DWI, which can predict response to anti-inflammatory treatment in patients with stricturing CD...
May 19, 2018: Abdominal Radiology
https://www.readbyqxmd.com/read/29779135/novel-evaluation-scale-for-qol-qol-acd-bp-in-preoperative-chemotherapy-for-breast-cancer
#10
Koji Takada, Shinichiro Kashiwagi, Wataru Goto, Yuka Asano, Katsuyuki Takahashi, Tamami Morisaki, Tsutomu Takashima, Shuhei Tomita, Kosei Hirakawa, Masaichi Ohira
PURPOSE: Quality-of-life (QOL) has been reported to affect the prognosis of many types of cancer, and several studies used various QOL assessment tools to determine the relationship between QOL and cancer prognosis. In this study, QOL-Questionnaire for Cancer Patients Treated with Anti-Cancer Drugs-the Breast (QOL-ACD-B) was modified to be suitable for preoperative chemotherapy (POC) and was named the QOL-ACD-BP. METHODS: A total of 300 patients were treated with POC after being diagnosed with breast cancer between February 2007 and December 2016 at our institute...
May 19, 2018: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/29779087/down-regulation-of-mdr1-by-ad-dkk3-via-akt-nf%C3%AE%C2%BAb-pathways-augments-the-anti-tumor-effect-of-temozolomide-in-glioblastoma-cells-and-a-murine-xenograft-model
#11
Toshitaka Fujihara, Yoshifumi Mizobuchi, Kohei Nakajima, Teruyoshi Kageji, Kazuhito Matsuzaki, Keiko T Kitazato, Ryotaro Otsuka, Keijiro Hara, Hideo Mure, Toshiyuki Okazaki, Kazuyuki Kuwayama, Shinji Nagahiro, Yasushi Takagi
BACKGROUND: Glioblastoma multiforme (GBM) is the most malignant of brain tumors. Acquired drug resistance is a major obstacle for successful treatment. Earlier studies reported that expression of the multiple drug resistance gene (MDR1) is regulated by YB-1 or NFκB via the JNK/c-Jun or Akt pathway. Over-expression of the Dickkopf (DKK) family member DKK3 by an adenovirus vector carrying DKK3 (Ad-DKK3) exerted anti-tumor effects and led to the activation of the JNK/c-Jun pathway. We investigated whether Ad-DKK3 augments the anti-tumor effect of temozolomide (TMZ) via the regulation of MDR1...
May 19, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29779041/the-potential-importance-of-myeloid-derived-suppressor-cells-mdscs-in-the-pathogenesis-of-alzheimer-s-disease
#12
REVIEW
Antero Salminen, Kai Kaarniranta, Anu Kauppinen
The exact cause of Alzheimer's disease (AD) is still unknown, but the deposition of amyloid-β (Aβ) plaques and chronic inflammation indicates that immune disturbances are involved in AD pathogenesis. Recent genetic studies have revealed that many candidate genes are expressed in both microglia and myeloid cells which infiltrate into the AD brains. Invading myeloid cells controls the functions of resident microglia in pathological conditions, such as AD pathology. AD is a neurologic disease with inflammatory component where the immune system is not able to eliminate the perpetrator, while, concurrently, it should prevent neuronal injuries induced by inflammation...
May 19, 2018: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/29779019/small-extracellular-vesicles-and-their-mirna-cargo-are-anti-apoptotic-members-of-the-senescence-associated-secretory-phenotype
#13
Lucia Terlecki-Zaniewicz, Ingo Lämmermann, Julie Latreille, Madhusudhan Reddy Bobbili, Vera Pils, Markus Schosserer, Regina Weinmüllner, Hanna Dellago, Susanna Skalicky, Dietmar Pum, Juan Carlos Higareda Almaraz, Marcel Scheideler, Frédérique Morizot, Matthias Hackl, Florian Gruber, Johannes Grillari
Loss of functionality during aging of cells and organisms is caused and accompanied by altered cell-to-cell communication and signalling. One factor thereby is the chronic accumulation of senescent cells and the concomitant senescence-associated secretory phenotype (SASP) that contributes to microenvironment remodelling and a pro-inflammatory status. While protein based SASP factors have been well characterized, little is known about small extracellular vesicles (sEVs) and their miRNA cargo. Therefore, we analysed secretion of sEVs from senescent human dermal fibroblasts and catalogued the therein contained miRNAs...
May 19, 2018: Aging
https://www.readbyqxmd.com/read/29778948/bioisosteres-of-ethyl-8-ethynyl-6-pyridin-2-yl-4h-benzo-f-imidazo-1-5-a-1-4-diazepine-3-carboxylate-hz-166-as-novel-alpha-2-3-selective-potentiators-of-gaba-a-receptors-improved-bioavailability-enhances-anticonvulsant-efficacy
#14
J M Witkin, J L Smith, X Ping, S D Gleason, M M Poe, G Li, X Jin, J Hobbs, J M Schkeryantz, J S McDermott, A I Alatorre, J N Siemian, J W Cramer, D C Airey, K R Methuku, V V N P B Tiruveedhula, T M Jones, J Crawford, M J Krambis, J L Fisher, J M Cook, R Cerne
HZ-166 has previously been characterized as an α2,3-selective GABAA receptor modulator with anticonvulsant, anxiolytic, and anti-nociceptive properties but reduced motor effects. We discovered a series of ester bioisosteres with reduced metabolic liabilities, leading to improved efficacy as anxiolytic-like compounds in rats. In the present study, we evaluated the anticonvulsant effects KRM-II-81 across several rodent models. In some models we also evaluated key structural analogs. KRM-II-81 suppressed hyper-excitation in a network of cultured cortical neurons without affecting the basal neuronal activity...
May 3, 2018: Neuropharmacology
https://www.readbyqxmd.com/read/29778946/mechanisms-underlying-anticonvulsant-and-proconvulsant-actions-of-norepinephrine
#15
REVIEW
Maedeh Ghasemi, Nasrin Mehranfard
Norepinephrine (NE) has been shown to exert a potent suppressant effect on seizure development. On the other hand, several lines of evidence have shown that increased NE level is proconvulsant under certain conditions. These data suggest that variations in NE levels could affect modulatory action of noradrenergic system on seizures. Less, however, is known about the mechanisms by which adrenergic pathways protect against seizures or promote seizures. Knowing the mechanisms involved in anti- or proconvulsive effects of NE may help to the development of new therapeutic candidates for patients with refractory epilepsy...
May 11, 2018: Neuropharmacology
https://www.readbyqxmd.com/read/29778935/different-levels-of-pro-and-anti-inflammatory-cytokines-in-patients-with-unipolar-and-bipolar-depression
#16
Ruizhi Mao, Chen Zhang, Jun Chen, Guoqing Zhao, Rubai Zhou, Fan Wang, Jingjing Xu, Tao Yang, Yousong Su, Jia Huang, Zhiguo Wu, Lan Cao, Yong Wang, Yingyan Hu, Chengmei Yuan, Zhenghui Yi, Wu Hong, Zuowei Wang, Daihui Peng, Yiru Fang
BACKGROUND: Immune system dysregulation is critical in the physiopathology of major depressive disorder (MDD) and bipolar disorder (BD). However, it is unclear whether both diseases present the same inflammatory patterns during depressive episodes. We explored the differences in pro- and anti-inflammatory cytokines between unipolar and bipolar depression (BDD) and the trajectory of these cytokines after acute-phase treatment. METHODS: Sixty-four MDD patients, 61 BDD patients, and 62 healthy controls (HCs) were enrolled...
April 25, 2018: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29778895/therapeutic-antibody-directed-osteogenic-differentiation-of-induced-pluripotent-stem-cells-derived-mscs
#17
Qingqing Wu, Bo Yang, Cong Cao, Kevin Hu, Ping Wang, Yi Man
Induced pluripotent stem cells (iPSCs) are regarded as a new cell source for regenerative medicine. Recent advances in tissue engineering have brought to light the therapeutic application of induced pluripotent stem cells (iPSCs) in bone defect repair. However, a safe and efficient way to differentiate iPSCs into osteogenic lineage remains to be a major challenge. Here we describe an approach using anti-BMP2 antibodies (Abs) to mediate osteogenic differentiation of iPSC-derived mesenchymal stromal cells (iMSCs)...
May 17, 2018: Acta Biomaterialia
https://www.readbyqxmd.com/read/29778893/synthesis-of-proline-derived-benzenesulfonamides-a-potent-anti-trypanosoma-brucei-gambiense-agent
#18
David I Ugwu, Uchechukwu C Okoro, Narendra K Mishra
Thousands of death in Africa and other developing nations are still attributed to trypanosomiasis. Excessive sleep has been associated with increased inflammation. We report herein, the synthesis, antitrypanosomal and anti-inflammatory activities of eight new carboxamide derivatives bearing substituted benzenesulfonamides. The base promoted reactions of l-proline and L-4-hydroxyproline with substituted benzenesulfonyl chlorides gave the benzenesulfonamides (11a-h) in excellent yields. Boric acid mediated amidation of the benzenesulfonamides (11a-h) and p-aminobenzoic acid (12) gave the new carboxamides (13a-h) in excellent yields...
May 14, 2018: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29778887/biological-potential-of-oxo-vanadium-salicylediene-amino-acid-complexes-as-cytotoxic-antimicrobial-antioxidant-and-dna-interaction
#19
Mohamed Shaker S Adam, Hany Elsawy
New series of oxo-vanadium N-salicyledieneamino acid Schiff base complexes are synthesized and characterized. They are synthesized from the reaction of sodium salicylaldehyde-5-sulfonate, some amino acids, alanine (VOHL1), leucine (VOHL2) or glycine (VOHL3) in an aqueous media, and leucine (VOHLpy1) or tryptophan (VOHLpy2) in pyridine with vanadyl acetylacetonate. The complexes are characterized by EA, TGA, IR, UV-Visible and mass spectra, conductivity and magnetic measurements. The biological activity of the VO-complexes shows that VOHL1, VOHL2 and VOHL3 exhibit anti-proliferative effect and may be used as anticancer drugs...
May 4, 2018: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/29778882/insight-into-the-interactions-of-proteinase-inhibitor-alpha-2-macroglobulin-with-hypochlorite-thermal-analysis-and-biophysical-approach
#20
Tooba Siddiqui, Mohammad Khalid Zia, Syed Saqib Ali, Haseeb Ahsan, Fahim Halim Khan
Hypochlorous acid, an active bleaching agent is one of the major oxidants produced by neutrophils under physiological conditions. It is a potent reactive oxygen species (ROS) which causes oxidation of biomolecules. Treatment of proteins with hypochlorite results in direct oxidative damage to proteins. Alpha-2-macroglobulin is a major proteinase inhibitor and it can inhibit proteinase of any kind regardless of specificity and catalytic mechanism. The proteinase-antiproteinase balance plays an important role in mediating inflammation associated tissue destruction...
May 17, 2018: International Journal of Biological Macromolecules
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