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Advances in Medical Sciences

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https://www.readbyqxmd.com/read/28711782/the-human-microbiome
#1
REVIEW
Hubert E Blum
Until recently, human microbiology was based on the identification of single microbes, such as bacteria, fungi and viruses, frequently isolated from patients with acute or chronic infections. Novel culture-independent molecular biochemical analyses (genomics, transcriptomics, proteomics, metabolomics) allow today to detect and classify the diverse microorganisms in a given ecosystem (microbiota), such as the gastrointestinal tract, the skin, the airway system, the urogenital tract and others, and to assess all genomes in these ecosystems (microbiome) as well as their gene products...
July 13, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28646744/systematic-biobanking-novel-imaging-techniques-and-advanced-molecular-analysis-for-precise-tumor-diagnosis-and-therapy-the-polish-mobit-project
#2
Jacek Niklinski, Adam Kretowski, Marcin Moniuszko, Joanna Reszec, Anna Michalska-Falkowska, Magdalena Niemira, Michal Ciborowski, Radoslaw Charkiewicz, Dorota Jurgilewicz, Miroslaw Kozlowski, Rodryg Ramlau, Cezary Piwkowski, Miroslaw Kwasniewski, Monika Kaczmarek, Andrzej Ciereszko, Tomasz Wasniewski, Robert Mroz, Wojciech Naumnik, Ewa Sierko, Magdalena Paczkowska, Joanna Kisluk, Anetta Sulewska, Adam Cybulski, Zenon Mariak, Boguslaw Kedra, Jacek Szamatowicz, Paweł Kurzawa, Lukasz Minarowski, Angelika Edyta Charkiewicz, Barbara Mroczko, Jolanta Malyszko, Christian Manegold, Lothar Pilz, Heike Allgayer, Mohammed L Abba, Hartmut Juhl, Frauke Koch
Personalized and precision medicine is gaining recognition due to the limitations by standard diagnosis and treatment; many areas of medicine, from cancer to psychiatry, are moving towards tailored and individualized treatment for patients based on their clinical characteristics and genetic signatures as well as novel imaging techniques. Advances in whole genome sequencing have led to identification of genes involved in a variety of diseases. Moreover, biomarkers indicating severity of disease or susceptibility to treatment are increasingly being characterized...
June 21, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28618330/improvements-in-self-curing-composites
#3
Zbigniew Raszewski, Marek Jałbrzykowski
PURPOSE: The purpose of this study was to test the influence of a barbituric acid derivative acting as a catalyst and small amounts of pyrolytic silica in acrylic resins on color stability, solubility and sorption of a composite. MATERIALS AND METHODS: A series of two-component powder/liquid resin systems were prepared. Monomer-like mixtures (bis-GMA, TEGDMA, tertiary amine 60/40) and a quartz powder with additions of various silica and barbituric acid derivatives were used...
June 12, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28575786/clinical-features-of-igg4-related-rhinosinusitis
#4
Machiko Hanaoka, Terumi Kammisawa, Satomi Koizumi, Sawako Kuruma, Kazuro Chiba, Masataka Kikuyama, Satoshi Shirakura, Taro Sugimoto, Tsunekazu Hishima
PURPOSE: IgG4-related disease is a systemic disease that affects various organs of the body. Aim of this study is to elucidate the clinical characteristics of IgG4-related rhinosinusitis. MATERIAL AND METHODS: Clinical features, laboratory findings, radiological and endoscopic findings, associated disease, treatment and prognosis were retrospectively examined in 10 patients with IgG4-related rhinosinusitis. RESULTS: The age was 59.1±11.3 years old and male-to-female ratio was 1:1...
May 30, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28554119/effectiveness-and-safety-of-ledipasvir-sofosbuvir%C3%A2-ribavirin-in-the-treatment-of-hcv-infection-the-real-world-harvest-study
#5
Robert Flisiak, Mariusz Łucejko, Włodzimierz Mazur, Ewa Janczewska, Hanna Berak, Krzysztof Tomasiewicz, Iwona Mozer-Lisewska, Dorota Kozielewicz, Andrzej Gietka, Katarzyna Sikorska, Marta Wawrzynowicz-Syczewska, Krzysztof Nowak, Dorota Zarębska-Michaluk, Joanna Musialik, Krzysztof Simon, Aleksander Garlicki, Robert Pleśniak, Barbara Baka-Ćwierz, Iwona Olszok, Krystyna Augustyniak, Wojciech Stolarz, Jolanta Białkowska, Anna Badurek, Anna Piekarska
BACKGROUND: To evaluate the effectiveness and safety of ledipasvir/sofosbuvir (LDV/SOF)±ribavirin (RBV) regimen in a real-world setting. METHODS: Patients received a fixed-dose combination tablet containing LDV and SOF with or without RBV, for 8, 12 or 24 weeks. Patients were assessed at baseline, end of treatment, and 12 weeks after the end of treatment. The primary effectiveness endpoint was sustained virologic response 12 weeks after the end of treatment (SVR12)...
May 26, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28551507/serum-chemerin-in-children-with-excess-body-weight-may-be-associated-with-ongoing-metabolic-complications-a-pilot-study
#6
Marta Sledzińska, Agnieszka Szlagatys-Sidorkiewicz, Michał Brzezinski, Katarzyna Kaźmierska, Tomasz Sledziński, Barbara Kamińska
PURPOSE: The aim of this study was to verify if serum chemerin in children correlates with body weight, fat mass, selected inflammatory markers, parameters of liver function, lipid and glucose metabolism. MATERIALS AND METHODS: The study included children aged 5-17 years with normal body weight (<85th BMI percentile, n=43) or overweight (≥85th BMI percentile, n=58). Serum concentrations of chemerin were determined with ELISA. RESULTS: Children with excess body weight presented with significantly higher serum concentrations of chemerin...
May 25, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28550795/thrombocytopenia-associated-with-tavi-the-summary-of-possible-causes
#7
REVIEW
Maciej Mitrosz, Malgorzata Chlabicz, Katarzyna Hapaniuk, Karol A Kaminski, Bozena Sobkowicz, Jaroslaw Piszcz, Slawomir Dobrzycki, Wlodzimierz J Musial, Tomasz Hirnle, Agnieszka M Tycinska
Thrombocytopenia (TP) following transcatheter aortic valve implantation (TAVI) procedure is a common phenomenon but the underlying mechanisms are neither well known nor described. Postinterventional severe TP is related to worse early and late outcome. Moreover, the statement of enhanced platelet and coagulation activation might justify even stronger antiplatelet and anticoagulation therapy following TAVI procedure. Thus, the examination of the pathomechanisms responsible for TP post TAVI seems to be crucial...
May 24, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28544969/prior-treatment-with-non-anti-tb-antibiotics-and-the-duration-of-symptoms-have-no-effect-on-diagnostics-of-tuberculous-meningitis
#8
Marcin Paciorek, Andrzej Pihowicz, Dominik Bursa, Joanna Schöntaler Humięcka, Justyna D Kowalska, Mateusz Antosiewicz, Magda E Thompson, Agata Skrzat-Wojdacz, Agnieszka Bednarska, Andrzej Horban
PURPOSE: Our objective was to investigate whether diagnosis of tuberculous meningitis (TBM) with microbiological and molecular analysis was affected by prior empirical non anti tuberculosis antibiotics or by duration of symptoms before lumbar puncture. MATERIALS AND METHODS: We retrospectively evaluated medical records of patients with TBM confirmed by positive culture, nucleic acid amplification techniques (NAATs) or Ehrlich-Ziehl-Neelsen staining (EZNs) from the cerebrospinal fluid (CSF) or by characteristic results of biochemical analysis of CSF combined with a typical clinical manifestation...
May 22, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28544968/clinical-usefulness-of-videocapillaroscopy-and-selected-endothelial-cell-activation-markers-in-people-with-type-1-diabetes-mellitus-complicated-by-microangiopathy
#9
Anna Kuryliszyn-Moskal, Wieslaw Zarzycki, Artur Dubicki, Diana Moskal, Bozena Kosztyła-Hojna, Anna Hryniewicz
PURPOSE: Microvascular abnormalities are one of the most important causes of persistent diabetic complications. The aim of our study was to compare microvascular changes examined by nailfold videocapillaroscopy (NVC) examination with serum concentrations of vascular endothelial growth factor (VEGF), soluble thrombomodulin (sTM) and endothelin-1 (ET-1) in people with Type 1 diabetes with and without microangiopathy. MATERIAL/METHODS: The study included 106 people with Type 1 diabetes and 40 healthy controls...
May 22, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28514703/bacterial-infections-and-hepatic-encephalopathy-in-liver-cirrhosis-prophylaxis-and-treatment
#10
REVIEW
Damian Piotrowski, Anna Boroń-Kaczmarska
Infections are common among patients with liver cirrhosis. They occur more often in cirrhotic patient groups than in the general population and result in higher mortality. One reason for this phenomenon is bacterial translocation from the intestinal lumen that occurs as a consequence of intestinal bacterial overgrowth, increased permeability and decreased motility. The most common infections in cirrhotic patients are spontaneous bacterial peritonitis and urinary tract infections, followed by pneumonia, skin and soft tissue infections...
May 14, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28511072/pro-inflammatory-cytokines-associated-with-clinical-severity-of-dry-eye-disease-of-patients-with-depression
#11
Małgorzata Mrugacz, Lucyna Ostrowska, Anna Bryl, Agata Szulc, Beata Zelazowska-Rutkowska, Grzegorz Mrugacz
PURPOSE: The aim of this study was to assess the correlation of inflammatory cytokines levels in tears with severity of dry eye disease in a cohort of patients with depression. MATERIAL AND METHODS: Tear fluid samples were collected from 32 patients with depression treated with antidepressants, and 34 healthy subjects. Cytokines were assessed by ELISA. All the subjects completed the Beck Depression Inventory and performed the ophthalmic examination, including dry eye tests...
May 13, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28511071/effects-of-%C3%AE-radiation-on-cell-growth-cell-cycle-and-promoter-methylation-of-22-cell-cycle-genes-in-the-1321ni-astrocytoma-cell-line
#12
Yaman Alghamian, Ghalia Abou Alchamat, Hossam Murad, Ammar Madania
PURPOSE: DNA damage caused by radiation initiates biological responses affecting cell fate. DNA methylation regulates gene expression and modulates DNA damage pathways. Alterations in the methylation profiles of cell cycle regulating genes may control cell response to radiation. In this study we investigated the effect of ionizing radiation on the methylation levels of 22 cell cycle regulating genes in correlation with gene expression in 1321NI astrocytoma cell line. METHODS: 1321NI cells were irradiated with 2, 5 or 10Gy doses then analyzed after 24, 48 and 72h for cell viability using MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazoliu bromide) assay...
May 13, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28511070/impact-of-exaggerated-blood-pressure-response-in-normotensive-individuals-on-future-hypertension-and-prognosis-systematic-review-according-to-prisma-guideline
#13
REVIEW
Karsten Keller, Kathrin Stelzer, Mir Abolfazl Ostad, Felix Post
PURPOSE: Arterial hypertension (aHT) is the leading risk factor for morbidity and mortality worldwide. Blood pressure (BP) deviation at rest is well defined and accompanies risk for cardiovascular events and cardiovascular mortality. A growing body of evidence emphasises that an exaggerated blood pressure response (EBPR) in cardiopulmonary exercise testing (CPET) could help to identify seemingly cardiovascular healthy and normotensive subjects, who have an increased risk of developing aHT and cardiovascular events in the future...
May 13, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28511069/ischaemic-preconditioning-current-knowledge-and-potential-future-applications-after-30-years-of-experience
#14
REVIEW
Karolina Stokfisz, Anna Ledakowicz-Polak, Maciej Zagorski, Marzenna Zielinska
Ischaemic preconditioning (IPC) phenomenon has been known for thirty years. During that time several studies showed that IPC provided by brief ischaemic and reperfusion episodes prior to longer ischaemia can bestow a protective effect to both preconditioned and also remote organs. IPC affecting remote organs is called remote ischaemic preconditioning. Initially, most IPC studies were focused on enhancing myocardial resistance to subsequent ischaemia and reperfusion injury. However, preconditioning was found to be a universal phenomenon and was observed in various organs and tissues including the heart, liver, brain, retina, kidney, skeletal muscles and intestine...
May 13, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28505540/salivary-protective-factors-in-patients-suffering-from-decompensated-type-2-diabetes
#15
Marcin Chorzewski, Karolina Orywal, Teresa Sierpinska, Maria Golebiewska
PURPOSE: Defining the level of protective factors in saliva of patients suffering from decompensated type 2 diabetes. MATERIAL AND METHODS: 50 Patients with diagnosis of decompensated type 2 diabetes, including 32 women and 18 men at the age of 57.9±9.2 years. The control group consisted of 50 people among whom there were 38 women and 12 men whose average age was estimated at 51.2±9.9 years. RESULTS: It was stated the increased concentration of total protein by 60% and decreased concentration of IgA by 70%, of lysozyme by 27% and of lactoferrin by 40% in resting saliva of patients with type 2 diabetes if compared to the control group...
May 12, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28501729/mulberry-leaf-extract-decreases-digestion-and-absorption-of-starch-in-healthy-subjects-a-randomized-placebo-controlled-crossover-study
#16
Jan Józefczuk, Klaudia Malikowska, Aleksandra Glapa, Barbara Stawińska-Witoszyńska, Jan Krzysztof Nowak, Joanna Bajerska, Aleksandra Lisowska, Jarosław Walkowiak
PURPOSE: Mulberry (Morus alba L.) leaf tea has recently received much attention as a dietary supplement due to the wide range of putative health benefits, such as antidiabetic effects. Nevertheless, data evaluating its influence on carbohydrate metabolism in humans are scarce. The present study aims to investigate the effect of mulberry leaf extract supplementation on starch digestion and absorption in humans. MATERIALS AND METHODS: The study comprised of 25 healthy subjects, aged 19-27 years...
May 11, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28501728/effects-of-fine-air-particulates-on-gene-expression-in-non-small-cell-lung-cancer
#17
Biao Yang, Xinming Li, Dongmei Chen, Chunling Xiao
PURPOSE: Airborne particulate matter smaller than 2.5μm (PM2.5) has been shown to induce adverse health effects through various mechanisms. However, its effects on gene expression in non-small-cell lung cancer (NSCLC) remain undefined. The aim of this study was to analyze the expression profile of PM2.5-induced adverse health effects on human. MATERIALS AND METHODS: We performed RNA sequencing to elucidate key molecular effects of PM2.5 collected from Shenyang China, to identify potential diagnostic markers or therapeutic targets, and further validated these differences in gene expression by using quantitative PCR in A549 and H1299 human non-small-cell lung cancer cell lines...
May 11, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28501727/methods-to-evaluate-arterial-structure-and-function-in-children-state-of-the-art-knowledge
#18
REVIEW
Piotr Skrzypczyk, Małgorzata Pańczyk-Tomaszewska
BACKGROUND: With increasing rates of hypertension, obesity, and diabetes in the pediatric population, wide available, and reproducible methods are necessary to evaluate arterial structure and function in children and adolescents. METHODS: MEDLINE/Pubmed was searched for articles published in years 2012-2017 on methodology of, current knowledge on, and limitations of the most commonly used methods to evaluate central, proximal and coronary arteries, as well as endothelial function in pediatric patients...
May 11, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28501726/osteogenic-differentiation-of-mesenchymal-stem-cells-is-impaired-by-bone-morphogenetic-protein-7
#19
Paweena Wongwitwichot, Jasadee Kaewsrichan
PURPOSE: Mesenchymal stem cells (MSCs) are multipotent adult stem cells and present in practically all tissues but originally identified within the bone marrow (BM). The differentiation potential of these cells is generally impaired when culturing in vitro for cell expansion. The aim of this study is to speedily increase the numbers of bone marrow derived mesenchymal stem cells (BM-MSCs) with substantially maintaining their differentiation potential in vitro and improving bone formation in vivo...
May 11, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28501725/a-device-for-testing-the-durability-and-exploitation-reliability-of-dental-prostheses
#20
Marek Jałbrzykowski
PURPOSE: The aim of this work was to develop the design of the construction of a stand for testing the operational stability of dental prostheses, designed on the basis of an own idea. There are no devices that would make it possible to test complete structures, including the actual kinematics of motion and the influence of the environment of the oral cavity. MATERIALS AND METHODS: Presented were several devices used for testing both fixed and removable prostheses...
May 11, 2017: Advances in Medical Sciences
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