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Advances in Experimental Medicine and Biology

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https://www.readbyqxmd.com/read/29188455/the-role-of-cardiologists-in-the-management-of-patients-with-heart-failure
#1
Vera Maria Avaldi, Jacopo Lenzi
Heart failure is a complex clinical syndrome with a remarkable impact on health care systems in terms of patients' morbidity and mortality, as well as direct and indirect costs. It is essential to redesign models of care for patients with heart failure that are tailored on personalized health care needs and carried out in the most appropriate setting. There is some debate about the role of cardiologists in the management of patients with heart failure. Indeed, results regarding the inclination of cardiologists' patients to achieve better outcomes are controversial, given the heterogeneity of studies in terms of study design, population, setting and variables considered...
November 30, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29181828/influence-of-inhaled-corticosteroids-on-bronchial-inflammation-and-pulmonary-function-in-chronic-obstructive-pulmonary-disease-with-moderate-obstruction
#2
Iza Toczyska, Ewa Zwolińska, Andrzej Chcialowski
Inflammation in the bronchial respiratory tract and lung parenchyma underlies the pathogenesis of chronic obstructive pulmonary disease (COPD). It consists of effector cell infiltration, changes in reticular basement membrane (RBM) thickness, and the content of inflammatory mediators. The aim of this study was to assess the influence of inhaled corticosteroids (ICS) on the number of inflammatory cells and RBM thickness in bronchial biopsies, and pulmonary function in patients with moderate COPD. Twenty four patients with newly diagnosed COPD were included into the study...
November 28, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29164488/spontaneous-elimination-of-hepatitis-c-virus-infection
#3
Maciej Janiak, Kamila Caraballo Cortes, Urszula Demkow, Marek Radkowski
Hepatitis C virus (HCV) is the etiological agent of chronic hepatitis C and a major cause of liver cirrhosis and hepatocellular carcinoma. Only a minority of infected individuals can clear the virus spontaneously. The knowledge of the determinants of virus clearance would allow the development of effective methods preventing its further spread and optimizing treatment regimens. Viral factors associated with spontaneous virus clearance in the acute phase of infection, such as HCV genotype, virus heterogeneity, and the impact of viral proteins on the immune system have been characterized...
November 22, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29159789/heart-failure-and-kidney-disease
#4
Dario Grande, Margherita Ilaria Gioia, Paola Terlizzese, Massimo Iacoviello
Kidney disease is commonly found in heart failure (HF) patients. They share many risk factors and common pathophysiological pathways which often lead to mutual dysfunction. Both haemodynamic and non-haemodynamic mechanisms are involved in the development of renal impairment in heart failure patients. Moreover, the presence of a chronic kidney disease is a significant independent predictor of worse outcome in chronic as well as in acute decompensated HF. As a consequence, an accurate evaluation of renal function plays a key role in the management of HF patients...
November 21, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29159788/the-fight-against-tuberculosis-in-the-mid-nineteenth-century-the-pivotal-contribution-of-edoardo-maragliano-1849-1940
#5
Mariano Martini, Ilaria Barberis, Nicola Luigi Bragazzi, Filippo Paluan
The second half of the nineteenth century saw the development of new medical "specialties", which, like the idea of constitutional disease, had a profound influence on medical practice. Against this lively "backdrop", Edoardo Maragliano played a central role in medicine's "renaissance" in Italy. Having graduated in medicine in 1870 at the University of Naples, he worked as an assistant in the University Medical Clinic. After beginning his academic career as professor of pathology at the Faculty of Medicine in Genoa in 1877, he became full professor of internal medicine in 1881...
November 21, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29151256/melatonin-and-metformin-diminish-oxidative-stress-in-heart-tissue-in-a-rat-model-of-high-fat-diet-and-mammary-carcinogenesis
#6
Natalia Kurhaluk, Bianka Bojkova, Marek Radkowski, Olga V Zaitseva, Svitlana Kyriienko, Urszula Demkow, Pawel J Winklewski
The aim of this study was to determine the effects of long-term administration of the oral antidiabetic metformin or the pineal hormone melatonin, and a combination thereof, in preventing oxidative stress in the heart tissue of female Sprague-Dawley rats with mammary tumors induced by N-methyl-N-nitrosourea (NMU) (50 mg/kg) given on the 42nd postnatal day. Metformin and melatonin were administered 12 days before and 16 weeks after the carcinogen. During the experiment, all animals were fed a high fat diet (10% total fat, 2...
November 19, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29151255/weight-disorders-in-short-children
#7
Paweł Tomaszewski, Anna Majcher, Katarzyna Milde, Romuald Stupnicki
This study aimed to determine the degree of adiposity and prevalence of weight disorders in short children and to assess relationships between selected birth parameters and actual body fat content and body mass indicators. The study encompassed 85 girls and 97 boys, aged 7-14 years, with height below the 10th centile of the age and sex standard. In addition, 609 normal-height children (height between 25th and 75th centile) served as a comparison group. The children underwent measurements of body mass and height, skinfold thickness, and waist circumference...
November 19, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29151254/evaluation-of-the-implementation-of-hospital-antibiotic-policy-in-oncosurgery-ward-a-six-year-experience
#8
Aneta Nitsch-Osuch, Damian Okruciński, Magdalena Dawgiałło, Izabela Gołębiak, Ernest Kuchar
The hospital antibiotic policy should be implemented to rationalize the antibiotic use and to decrease the risk of spread of resistant bacteria. The aim of this study was to describe the antibiotic consumption patterns in a single oncosurgery ward before and after the implementation of hospital antibiotic policy. We conducted a retrospective analysis of the antibiotic use at the oncosurgery ward in Warsaw, Poland, in the years 2011-2016. Calculations were based on daily defined doses (DDD), DDD/100 hospitalizations, and DDD/100 person-days...
November 19, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29151253/a-two-week-fecal-microbiota-transplantation-course-in-pediatric-patients-with-inflammatory-bowel-disease
#9
Katarzyna Karolewska-Bochenek, Pawel Grzesiowski, Aleksandra Banaszkiewicz, Agnieszka Gawronska, Maria Kotowska, Marcin Dziekiewicz, Piotr Albrecht, Andrzej Radzikowski, Izabella Lazowska-Przeorek
Dysbiosis plays a major role in the etiology of inflammatory bowel disease (IBD). Fecal microbiota transplantation (FMT) is a new promising option for IBD treatment. We aimed to assess the effectiveness of a two-week FMT course in children with IBD. Ten patients, 10-17 years of age with moderate to severe IBD received a course of eight doses of freshly prepared FMT via a naso-duodenal tube or gastroscopy. All of the patients had pancolitis. There were eight cases of ulcerative colitis (UC) and two of Crohn's disease (CD)...
November 19, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29139089/cancer-stem-cells-in-head-and-neck-carcinomas-identification-and-possible-therapeutic-implications
#10
Elize Wolmarans, Sonja C Boy, Sulette Nel, Anne E Mercier, Michael Sean Pepper
The recurrence and/or lack of response of certain tumors to radio- and chemotherapy has been attributed to a small subpopulation of cells termed cancer stem cells (CSCs). CSCs have been identified in many tumors (including solid and hematological tumors). CSCs are characterized by their capacity for self-renewal, their ability to introduce heterogeneity within a tumor mass and its metastases, genomic instability, and their insensitivity to both radiation and chemotherapy. The latter highlights the clinical importance of studying this subpopulation since their resistance to traditional treatments may lead to metastatic disease and/or tumor relapse...
November 15, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29139088/contrasting-views-on-the-role-of-mesenchymal-stromal-stem-cells-in-tumour-growth-a-systematic-review-of-experimental-design
#11
Ahmed Kolade Oloyo, Melvin Anyasi Ambele, Michael Sean Pepper
The effect of mesenchymal stromal/stem cells (MSCs) on tumour growth remains controversial. Experimental evidence supports both an inhibitory and a stimulatory effect. We have assessed factors responsible for the contrasting effects of MSCs on tumour growth by doing a meta-analysis of existing literature between 2000 and May 2017. We assessed 183 original research articles comprising 338 experiments. We considered (a) in vivo and in vitro experiments, (b) whether in vivo studies were syngeneic or xenogeneic, and (c) if animals were immune competent or deficient...
November 15, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29139087/the-role-of-reactive-oxygen-species-in-adipogenic-differentiation
#12
Danielle de Villiers, Marnie Potgieter, Melvin A Ambele, Ladislaus Adam, Chrisna Durandt, Michael S Pepper
Interest in reactive oxygen species and adipocyte differentiation/adipose tissue function is steadily increasing. This is due in part to a search for alternative avenues for combating obesity, which results from the excess accumulation of adipose tissue. Obesity is a major risk factor for complex disorders such as cancer, type 2 diabetes, and cardiovascular diseases. The ability of mesenchymal stromal/stem cells (MSCs) to differentiate into adipocytes is often used as a model for studying adipogenesis in vitro...
November 15, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29086392/combination-of-hydralazine-and-isosorbide-dinitrate-in-the-treatment-of-patients-with-heart-failure-with-reduced-ejection-fraction
#13
Noémi Nyolczas, Miklós Dékány, Balázs Muk, Barna Szabó
The use of direct acting vasodilators (the combination of hydralazine and isosorbide dinitrate -Hy+ISDN-) in heart failure with reduced ejection fraction (HFrEF) is supported by evidence, but rarely used.However, treatment with Hy+ISDN is guideline-recommended for HFrEF patients who cannot receive either angiotensin-converting enzyme inhibitors or angiotensin receptor blockers due to intolerance or contraindication, and in self-identified African-American HFrEF patients who are symptomatic despite optimal neurohumoral therapy...
October 31, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29067628/two-year-follow-up-of-fall-prediction-among-older-adults-in-an-independent-living-community
#14
Oz Zur, Yitshal Berner, Yair Ohel, Eli Carmeli
Adults over the age of 70 are at risk of falls. Early detection of risk of falls can suggest early interventions. In this study, we attempted to determine valid clinical tests that can differentiate older individuals who are at risk of falling. Older adults from an independent-living community volunteered to participate in this descriptive, cohort study. They were administered the Berg Balance Scale (BBS), Zur Balance Scale (ZBS); Head Shaking Nystagmus Head Impulse Test, Dynamic Visual Acuity, and the Hallpike maneuver for evaluating benign paroxysmal positional vertigo (BPPV); a questionnaire including sociodemographics and a health characteristics survey...
October 25, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29067627/physical-functioning-and-symptoms-of-chronic-fatigue-in-sarcoidosis-patients
#15
K Pilzak, A Żebrowska, M Sikora, B Hall, O Łakomy, S Kostorz, D Ziora, D Jastrzębski
Scientific reports underscore the importance of measuring the health-related quality of life in sarcoidosis patients. The present study seeks to define how sarcoidosis patients' quality of life, daily physical activity, and physical performance are related to each other. Seventeen patients (mean age 46.8 ± 8.8 years) suffering from sarcoidosis completed the following questionnaires: the fatigue assessment scale (FAS), the quality of life scale (SF-36 questionnaire), and the Borg dyspnea scale. Physical activity (PA) was assessed using accelerometry...
October 25, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29064067/stem-cells-in-regenerative-cardiology
#16
Semih Arbatlı, Galip Servet Aslan, Fatih Kocabaş
The common prevalence of heart failure and limitations in its treatment are leading cause of attention and interest towards the induction of cardiac regeneration with novel approaches. Recent studies provide growing evidence regarding bona fide cardiac regeneration post genetic manipulations, administration of stimulatory factors and myocardial injuries in animal models and human studies. To this end, stem cells of different sources have been tested to treat heart failure for the development of cellular therapies...
October 25, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29064066/molecular-mechanism-of-plant-recognition-of-extracellular-atp
#17
Sung-Hwan Cho, Cuong The Nguyen, Jeongmin Choi, Gary Stacey
Adenosine 5'-triphosphate (ATP), a ubiquitously dispersed biomolecule, is not only a major source of biochemical energy for living cells, but also acts as a critical signaling molecule through inter-cellular communication. Recent studies have clearly shown that extracellular ATP is involved in various physiological processes in plants, including root growth, stomata movement, pollen tube development, gravitropism, and abiotic/biotic stress responses. The first plant purinergic receptor for extracellular ATP, DORN1 (the founding member of the P2K family of purinergic receptors), was identified in Arabidopsis thaliana by a forward genetic screen...
October 25, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29052177/prognostic-value-of-osteoprotegerin-and-srankl-in-bronchoalveolar-lavage-fluid-of-patients-with-advanced-non-small-cell-lung-cancer
#18
Wojciech Naumnik, I Płońska, M Ossolińska, J Nikliński, B Naumnik
Osteoprotegerin (OPG) is a soluble decoy receptor for receptor activator of nuclear factor-kappa B ligand (sRANKL). OPG promotes endothelial cell survival and neoangiogenesis. Dysregulation of the OPG/RANKL system has been detected in several tumors. In the present study, we evaluated the clinical usefulness of OPG and sRANKL assessment in bronchoalveolar lavage fluid (BALF) of patients with advanced non-small cell lung cancer (NSCLC). We measured the concentration of OPG and sRANKL in BALF of 44 NSCLC patients and 15 healthy volunteers taken as control subjects...
October 20, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29039064/developments-in-hematopoietic-stem-cell-expansion-and-gene-editing-technologies
#19
Dogacan Yucel, Fatih Kocabas
Hematopoietic stem cells (HSCs) are rare cells, which housed in the adult bone marrow. They maintain all types of differentiated blood cells throughout life. Due to limited availability of HSCs for transplantation, treatment of various inherited bone marrow disorders and anemia requires the development of HSC expansion and gene editing technologies. To this end, various studies addressed the use of cytokines and growth factors for HSC expansion. Major hurdle with these studies was found to be spontaneous differentiation of HSCs into different lineages during ex vivo procedure...
October 17, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29030806/palliative-care-in-the-management-of-patients-with-advanced-heart-failure
#20
Susan E Lowey
Globally, there are 18-million individuals living with heart failure, a disease that is responsible for 12-15 million office visits and 6.5 million inpatient hospitalizations each year. As HF becomes advanced or end-stage, patients often live in a cycle of frequent transitions between care settings, and with unmet needs, including distress from inadequately managed symptoms. Prognostication in patients with heart failure can be challenging due to the unpredictable exacerbating-remitting illness trajectory that is associated with this progressive disease...
October 14, 2017: Advances in Experimental Medicine and Biology
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