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https://www.readbyqxmd.com/read/29146496/euterpe-oleracea-pulp-extract-chemical-analyses-antibiofilm-activity-against-staphylococcus-aureus-cytotoxicity-and-interference-on-the-activity-of-antimicrobial-drugs
#1
Marcus Vinícius Dias-Souza, Renan Martins Dos Santos, Isabela Penna Cerávolo, Gustavo Cosenza, Pedro Henrique Ferreira Marçal, Flávio Jr Barbosa Figueiredo
Euterpe oleracea (Açaí) fruit are widely consumed at the Brazil Amazon region, and biological potentials such as immunomodulatory and antioxidant have been described for its extracts. However, its antimicrobial effect remains poorly investigated. In this study, the antimicrobial and antibiofilm activities of the methanolic extract of an artisanally-manufactured açaí pulp (MEAP) were evaluated against clinical isolates of Staphylococcus aureus. Besides, MEAP interference on the activity of antimicrobial drugs of clinical relevance was explored, and its cytotoxicity against hepatocellular carcinoma cells (HepG2) was investigated...
November 13, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29146214/-treatments-of-steroid-dependent-nephrotic-syndrome-in-children
#2
A Couderc, E Bérard, V Guigonis, I Vrillon, J Hogan, V Audard, V Baudouin, C Dossier, O Boyer
Primary nephrotic syndrome (NS) is the most common glomerular disease in children. It is characterized by massive proteinuria and hypoalbuminemia. It typically has a sudden onset and more than 70% of patients will experience at least one relapse. An immunological origin has long been postulated, although the precise molecular mechanisms underlying the disease remain debated. Steroids are the first-line therapy with cumulative dose and duration of initial treatment varying among countries. Steroid-sparing agents may be indicated in case of steroid-dependency or frequent relapses...
November 13, 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/29146013/-chronic-histiocytic-intervillositis-diagnosis-and-management
#3
A Mekinian, N Costedoat-Chalumeau, L Carbillon, A Coulomb-L'Hermine, V Le Guern, A Masseau, E Lazaro, J Cohen, M Bornes, G Kayem, O Fain
Chronic intervillositis is a rare condition, which is associated with severe obstetrical outcome and high recurrence rate. Obstetrical adverse events are intrauterine growth restriction, recurrent early miscarriages, intrauterine deaths and prematurity by placental insufficiency. The determination of the extension and the intensity of the chronic intervillositis are not currently standardized. High rates of recurrence have been described, but actually there is no reliable predictive biomarker. No treatment is currently validated, but the use of immunomodulatory drugs could be justified by the possible autoimmune or allo-immune origin...
November 13, 2017: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/29143287/lipoic-acid-stimulates-camp-production-in-healthy-control-and-secondary-progressive-ms-subjects
#4
Sarah E Fiedler, Vijayshree Yadav, Amelia R Kerns, Catherine Tsang, Sheila Markwardt, Edward Kim, Rebecca Spain, Dennis Bourdette, Sonemany Salinthone
Lipoic acid (LA) exhibits antioxidant and anti-inflammatory properties; supplementation reduces disease severity and T lymphocyte migration into the central nervous system in a murine model of multiple sclerosis (MS), and administration in secondary progressive MS (SPMS) subjects reduces brain atrophy compared to placebo. The mechanism of action (MOA) of LA's efficacy in suppression of MS pathology is incompletely understood. LA stimulates production of the immunomodulator cyclic AMP (cAMP) in vitro. To determine whether cAMP could be involved in the MOA of LA in vivo, we performed a clinical trial to examine whether LA stimulates cAMP production in healthy control and MS subjects, and whether there are differences in the bioavailability of LA between groups...
November 15, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/29142299/the-immunomodulatory-drug-glatiramer-acetate-is-also-an-effective-antimicrobial-agent-that-kills-gram-negative-bacteria
#5
Stig Hill Christiansen, Ronan A Murphy, Kristian Juul-Madsen, Marlene Fredborg, Michael Lykke Hvam, Esben Axelgaard, Sandra M Skovdal, Rikke Louise Meyer, Uffe B Skov Sørensen, Arne Möller, Jens Randel Nyengaard, Niels Nørskov-Lauritsen, Mikala Wang, Mihaela Gadjeva, Kenneth A Howard, Jane C Davies, Eskild Petersen, Thomas Vorup-Jensen
Classic drug development strategies have failed to meet the urgent clinical needs in treating infections with Gram-negative bacteria. Repurposing drugs can lead to timely availability of new antibiotics, accelerated by existing safety profiles. Glatiramer acetate (GA) is a widely used and safe formulation for treatment of multiple sclerosis. It contains a large diversity of essentially isomeric polypeptides with the cationic and amphiphilic character of many antimicrobial peptides (AMP). Here, we report that GA is antibacterial, targeting Gram-negative organisms with higher activity towards Pseudomonas aeruginosa than the naturally-occurring AMP LL-37 in human plasma...
November 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29139255/-association-rules-analysis-for-exploring-combined-medication-characteristics-of-fufang-kushen-injection-real-world-study-based-on-49-597-cases
#6
Yin Zhang, Yan-Ming Xie, Yan-Nan Li, Chang Zhang, Cen Chen, Yan Zhuang
The present study aimed to analyze the association rules of Fufang Kushen injection in combined medications in the real world based on electrical medical records in hospital information system, and provide reference for its reasonable clinical application. The electrical medical records of the hospitalized patients using Fufang Kushen injection were extracted to analyze the frequency distribution characteristics in combined application with Western medicine, and analyze the specific association rules between these combinations by using Apriori algorithm...
August 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29139091/pharmacological-approach-to-the-management-of-crohn-s-disease-patients-with-perianal-disease
#7
REVIEW
Fernando Bermejo, Iván Guerra, Alicia Algaba, Antonio López-Sanromán
Perianal localization of Crohn's disease involves significant morbidity, affects quality of life and results in an increased use of healthcare resources. Medical and surgical therapies contribute to its management. The objective of this review is to address the current understanding in the management of perianal Crohn's disease, with the main focus in reviewing pharmacological therapies, including stem cells. In complex fistulas, once local sepsis has been controlled by surgical drainage and/or antibiotics, anti-TNF drugs (infliximab, adalimumab) are the first-line therapy, with or without associated immunomodulators...
November 14, 2017: Drugs
https://www.readbyqxmd.com/read/29137631/synthetic-oleanane-triterpenoids-enhance-blood-brain-barrier-integrity-and-improve-survival-in-experimental-cerebral-malaria
#8
Valerie M Crowley, Kodjo Ayi, Ziyue Lu, Karen T Liby, Michael Sporn, Kevin C Kain
BACKGROUND: Cerebral malaria (CM) is a severe complication of Plasmodium falciparum infection associated with high mortality and neurocognitive impairment in survivors. New anti-malarials and host-based adjunctive therapy may improve clinical outcome in CM. Synthetic oleanane triterpenoid (SO) compounds have shown efficacy in the treatment of diseases where inflammation and oxidative stress contribute to pathogenesis. METHODS: A derivative of the SO 2-cyano-3,12-dioxooleana-1,9-dien-28-oic acid (CDDO), CDDO-ethyl amide (CDDO-EA) was investigated for the treatment of severe malaria in a pre-clinical model...
November 14, 2017: Malaria Journal
https://www.readbyqxmd.com/read/29132749/use-of-immunomodulatory-drugs-at-a-uveitis-clinic
#9
Claudia Millán-Longo, Diana Peiteado, Armelle Schlincker, Ventura Hidalgo, Amara Pieren, Alejandro Balsa, Eugenio de Miguel
OBJECTIVE: The treatment of noninfectious uveitis includes steroids and immunomodulatory drugs, the use of which has increased in the last few years, and the options have been enriched with the development of new treatments. However, clear therapeutic guidelines and protocols have not been developed. The purpose is to analyze the response to the drugs used and the characteristics of the patients treated at a multidisciplinary uveitis clinic. MATERIAL AND METHODS: Observational and retrospective study of the patients attended to from January 2012 to December 2015...
November 10, 2017: Reumatología Clinica
https://www.readbyqxmd.com/read/29129643/tgf%C3%AE-pathway-inhibition-in-the-treatment-of-non-small-cell-lung-cancer
#10
REVIEW
Pınar Ö Eser, Pasi A Jänne
Advanced non-small cell lung cancer (NSCLC) continues to be an incurable family of thoracic malignancies that is chronically managed with chemotherapy, targeted therapy, and immunotherapy. While the discovery of driver oncogenes and the advent of targeted and immunotherapies in the last decade have vastly improved clinical disease management for patients harboring druggable mutations, the mainstay treatment for the majority of NSCLC patients remains cytotoxic chemotherapy. The clinical efficacy of targeted, immune, and cytotoxic therapies is limited by the development of drug resistance...
November 9, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29127024/the-sphingosine-1-phosphate-receptor-modulator-fingolimod-as-a-therapeutic-agent-recent-findings-and-new-perspectives
#11
REVIEW
Andrea Huwiler, Uwe Zangemeister-Wittke
The immunomodulatory drug fingolimod (FTY720, Gilenya(R)) was approved for oral treatment of relapsing-remitting multiple sclerosis, due to its impressive efficacy and good tolerability. Pharmacologically, it acts as an unselective agonist of sphingosine 1-phosphate receptors (S1PR) and as a selective functional antagonist of the S1P1 subtype by induction of receptor downregulation. Since S1P1 is crucial for the regulation of lymphocyte trafficking, its downregulation causes redistribution of the immune cells to secondary lymphoid tissues, resulting in the depletion from the circulation and hence immunosuppression...
November 7, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29125479/plasma-3-3-5-triiodo-l-thyronine-t3-level-mirrors-changes-in-tumor-markers-in-two-cases-of-metastatic-cancer-of-the-breast-and-pancreas-treated-with-exogenous-l-t3
#12
Alejandro Rodríguez-Molinero, Aleck Hercbergs, Manuel Sarrias, Antonio Yuste
Preclinical studies have attributed 3,3',5-triiodo-L-thyronine (T3) a direct negative effect on tumor progression, as well as chemosensitizing, differentiating and immunomodulatory properties. On the other hand, L-thyroxine (T4), via a thyroid hormone receptor on plasma membrane integrin αvβ3, promotes solid tumor growth and neoangiogenesis, therefore lowering endogenous T4 reduces tumor growth rate. We present the case of two patients with metastatic triple negative breast cancer and metastatic pancreatic cancer respectively, who benefit of the sole treatment with antithyroid drugs and exogenous administration of T3 (liothyronine)...
November 3, 2017: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/29122704/comparing-the-different-response-of-pns-and-cns-injured-neurons-to-mesenchymal-stem-cell-treatment
#13
Marianna Monfrini, Maddalena Ravasi, Daniele Maggioni, Elisabetta Donzelli, Giovanni Tredici, Guido Cavaletti, Arianna Scuteri
Mesenchymal stem cells (MSCs) are adult bone marrow-derived stem cells actually proposed indifferently for the therapy of neurological diseases of both the Central (CNS) and the Peripheral Nervous System (PNS), as a panacea able to treat so many different diseases by their immunomodulatory ability and supportive action on neuronal survival. However, the identification of the exact mechanism of MSC action in the different diseases, although mandatory to define their real and concrete utility, is still lacking...
November 6, 2017: Molecular and Cellular Neurosciences
https://www.readbyqxmd.com/read/29121034/the-impact-of-advanced-opioid-drugs-and-analgesic-adjuvants-on-murine-macrophage-oxygen-burst
#14
Michael Kozlowski, Katarzyna Nazimek, Magdalena Wąsik, Iwona Filipczak-Bryniarska, Krzysztof Bryniarski
Macrophages (Mf) are a versatile group of phagocytic cells responsible for fulfilling a variety of immune functions, most notably for mounting the initial anti-microbial response and for the clearance of cellular debris and apoptotic bodies. The key processes for fulfilling these functions include the production of reactive oxygen intermediates (ROIs) and nitric oxide (NO). Mf also express a variety of receptors, including opioid, serotonin, and norepinephrine receptors, and thus can react to various substances...
2017: Folia Medica Cracoviensia
https://www.readbyqxmd.com/read/29120224/is-there-a-role-for-programmed-death-ligand-1-testing-and-immunotherapy-in-colorectal-cancer-with-microsatellite-instability-part-ii-the-challenge-of-programmed-death-ligand-1-testing-and-its-role-in-microsatellite-instability-high-colorectal-cancer
#15
Esmeralda Celia Marginean, Barbara Melosky
CONTEXT: - The world of oncology has changed dramatically in the past few years with the introduction of checkpoint inhibitors and immunotherapy. The promising findings of a small, phase 2 clinical trial that led to the US Food and Drug Administration breakthrough designation and approval of the anti-programmed death receptor-1 (PD-1) drug pembrolizumab (Keytruda, Merck, Kenilworth, New Jersey) to treat metastatic/refractory microsatellite instability-high colorectal cancer (CRC) has significantly boosted interest in immunomodulatory therapies in microsatellite instability-high CRC...
November 9, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/29119729/efficacy-of-statin-delivery-as-an-adjunct-to-scaling-and-root-planing-in-the-treatment-of-chronic-periodontitis-a-meta-analysis
#16
REVIEW
Zohaib Akram, Fahim Vohra, Fawad Javed
The action of statins in stimulating bone formation and having other pleiotropic effects, such as anti-inflammatory and immunomodulatory effects, has justified their use as an adjunct to scaling and root planing (SRP) in the treatment of chronic periodontitis (CP). The aim of the present study was to evaluate the efficacy of statin delivery as an adjunct to SRP in the treatment of CP. Electronic searches were conducted using the following databases: MEDLINE, EMBASE, Cochrane Central Register of Controlled Trials, and Cochrane Oral Health Group Trials Register, up until July 2017...
November 9, 2017: Journal of Investigative and Clinical Dentistry
https://www.readbyqxmd.com/read/29119643/a-phase-i-study-of-lenalidomide-plus-chemotherapy-with-mitoxantrone-etoposide-and-cytarabine-for-the-reinduction-of-patients-with-acute-myeloid-leukemia
#17
Daniel J DeAngelo, Andrew M Brunner, Lillian Werner, David Avigan, Amir T Fathi, Adam S Sperling, Abigail Washington, Dina Stroopinsky, Jacalyn Rosenblatt, Malgorzata McMasters, Katarina Luptakova, Martha Wadleigh, David P Steensma, Gabriela S Hobbs, Eyal C Attar, Philip C Amrein, Benjamin L Ebert, Richard M Stone, Karen K Ballen
Patients with relapsed AML have a poor prognosis and limited responses to standard chemotherapy. Lenalidomide is an immunomodulatory drug that may modulate anti-tumor immunity. We performed a study to evaluate the safety and tolerability of lenalidomide with mitoxantrone, etoposide and cytarabine (MEC) in relapsed/refractory AML. Adult patients with relapsed/refractory AML were eligible for this phase I dose-escalation study. We enrolled 35 patients using a '3 + 3' design, with a 10 patient expansion cohort at the maximum tolerated dose (MTD)...
November 9, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/29118737/a-case-series-of-adult-onset-rasmussen-s-encephalitis-diagnostic-and-therapeutic-challenges
#18
James Francis Castellano, Jenny A Meyer, Fred Alexander Lado
Rasmussen's encephalitis (RE) is a rare neurologic disorder characterized by progressive cerebral hemiatrophy and medically refractory epilepsy. The majority of current literature on this topic is focused on the pediatric population. In this case series, we will review three cases of adult-onset RE, as defined by fulfillment of the 2005 Bien criteria. The diagnostic challenge of characterizing this rare disease will be highlighted by the extensive serum, CSF, and pathologic sampling in all three patients. MR imaging and EEG data will be examined over time to characterize hallmark findings as well as progression...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/29112154/ubiquitous-nature-of-fluoroquinolones-the-oscillation-between-antibacterial-and-anticancer-activities
#19
REVIEW
Temilolu Idowu, Frank Schweizer
Fluoroquinolones are synthetic antibacterial agents that stabilize the ternary complex of prokaryotic topoisomerase II enzymes (gyrase and Topo IV), leading to extensive DNA fragmentation and bacteria death. Despite the similar structural folds within the critical regions of prokaryotic and eukaryotic topoisomerases, clinically relevant fluoroquinolones display a remarkable selectivity for prokaryotic topoisomerase II, with excellent safety records in humans. Typical agents that target human topoisomerases (such as etoposide, doxorubicin and mitoxantrone) are associated with significant toxicities and secondary malignancies, whereas clinically relevant fluoroquinolones are not known to exhibit such propensities...
November 7, 2017: Antibiotics
https://www.readbyqxmd.com/read/29110743/rosmarinic-acid-modes-of-action-medicinal-values-and-health-benefits
#20
Mahmoud Alagawany, Mohamed Ezzat Abd El-Hack, Mayada Ragab Farag, Marappan Gopi, Kumaragurubaran Karthik, Yashpal Singh Malik, Kuldeep Dhama
The supplementation of livestock rations with herbs containing bioactive components, such as rosmarinic acid (RA), have shown promising results as a natural feed additive in promoting growth, productive and reproductive performance, feed utilization, fertility, anti-oxidant status and immunologic indices. Furthermore, RA reportedly reduces the risks of various animal diseases and mitigates side effects of chemical and synthetic drugs. RA is a natural polyphenol present in several Lamiaceae herbs like Perilla frutescens, and RA is becoming an integral component of animal nutrition as it counters the effect of reactive oxygen species induced in the body as a consequence of different kinds of stressors...
November 7, 2017: Animal Health Research Reviews
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