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Advances in Medical Sciences

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https://www.readbyqxmd.com/read/29885631/the-role-of-platelets-in-the-development-and-progression-of-pulmonary-arterial-hypertension
#1
REVIEW
Remigiusz Kazimierczyk, Karol Kamiński
Pulmonary arterial hypertension is a multifactorial disease characterized by vasoconstriction, vascular remodeling, inflammation and thrombosis. Although an increasing number of research confirmed that pulmonary artery endothelial cells, pulmonary artery smooth muscle cells as well as platelets have a role in the pulmonary arterial hypertension pathogenesis, it is still unclear what integrates these factors. In this paper, we review the evidence that platelets through releasing a large variety of chemokines could actively impact the pulmonary arterial hypertension pathogenesis and development...
June 6, 2018: Advances in Medical Sciences
https://www.readbyqxmd.com/read/29885630/optimization-of-the-method-for-%C3%AE-l-fucosidase-%C3%AE-d-galactosidase-and-%C3%AE-d-glucuronidase-determination-in-serum-from-hemolyzed-blood
#2
Sylwia Chojnowska, Iwona Ptaszyńska-Sarosiek, Alina Kępka, Sławomir Dariusz Szajda, Napoleon Waszkiewicz, Krzysztof Zwierz
PURPOSE: Adaptation of the colorimetric method for the determination of β-d-galactosidase, β-d-glucuronidase and α-l-fucosidase activities in serums from hemolyzed blood, the material currently being discarded. MATERIALS AND METHODS: The materials included serums from hemolyzed and non-hemolyzed blood, obtained from 26 healthy volunteers. The adaptation of the method involved precipitation of the proteins with trichloroacetic acid after incubating serums with substrates, but before determining the products of enzymatic reactions...
June 6, 2018: Advances in Medical Sciences
https://www.readbyqxmd.com/read/29859494/assessment-of-human-4-hydroxynonenal-8-isoprostane-concentrations-and-glutathione-reductase-activity-after-synbiotics-administration
#3
Paulina Kleniewska, Rafał Pawliczak
PURPOSE: Probiotics and prebiotics have become an object of intense research, to identify methods of mitigating oxidative stress. Over the past few years, the number of in vitro and in vivo studies, related to antioxidant properties of probiotics/prebiotics has significantly increased. The aim of the present study was to assess whether probiotic in combination with prebiotic influences the level of human 4-hydroxynonenal, 8-isoprostane and glutathione reductase activity. MATERIAL/METHODS: Experiments were carried out on healthy volunteers (male and female)...
May 30, 2018: Advances in Medical Sciences
https://www.readbyqxmd.com/read/29803118/expression-profile-and-cellular-localizations-of-mucin-proteins-ck7-and-cytoplasmic-p27-in-barrett-s-esophagus-and-esophageal-adenocarcinoma
#4
H Ece Arslan Ozcan, Turgut Anuk, Ozkan Ozden
PURPOSE: Barrett's esophagus is one of the main risk factors for increased incidence of esophageal adenocarcinoma. In this study, we studied protein expression levels and cellular localizations of MUC-1, MUC-2, MUC-5AC, CK7, and cytoplasmic p27 to assess the relationship between the expression of each of these proteins and the disease progression on endoscopic biopsies. MATERIALS AND METHODS: Immunohistochemical analyses were performed using antibodies produced against MUC-1, MUC-2, MUC-5AC, CK7, and p27...
May 23, 2018: Advances in Medical Sciences
https://www.readbyqxmd.com/read/29665558/prevalence-of-clostridium-difficile-infection-in-hospitalized-patients-with-diarrhoea-results-of-a-polish-multicenter-prospective-biannual-point-prevalence-study
#5
Hanna Pituch, Piotr Obuch-Woszczatyński, Dominika Lachowicz, Robert Kuthan, Katarzyna Dzierżanowska-Fangrat, Agnieszka Mikucka, Katarzyna Jermakow, Aleksandra Pituch-Zdanowska, Kerrie Davies
PURPOSE: We aimed to measure the underdiagnosis of Clostridium difficile infection across Poland and the distribution of PCR-ribotypes of C. difficile. MATERIAL AND METHODS: Twenty seven Polish healthcare facilities (HCFs) participated in this prospective study. Each HCF systematically sent all diarrhoeal stools received from inpatients at their laboratories on two days (one in January 2013 and one in July 2013), independently of CDI test request, to the National Coordinating Laboratory (NCL) for standardized testing of CDI...
April 13, 2018: Advances in Medical Sciences
https://www.readbyqxmd.com/read/29579637/interactions-between-the-growth-hormone-and-cytokines-a-review
#6
REVIEW
Mieczysław Szalecki, Anna Malinowska, Monika Prokop-Piotrkowska, Roman Janas
Numerous reports on the interactions between the immune and endocrine systems, especially growth hormone axis, can be found in the literature. Growth hormone acts mainly indirectly through insulin-like growth factor-1, which stimulates the growth and development processes, metabolism of lipids, proteins, and carbohydrates, and it also has a modulating effect on the cells of the immune system. Several studies have been conducted on the influence of growth hormone therapy on the immunological parameters in children and adults with and without growth hormone deficiency...
March 23, 2018: Advances in Medical Sciences
https://www.readbyqxmd.com/read/29567622/th9-lymphocytes-and-functions-of-interleukin-9-with-the-focus-on-ibd-pathology
#7
REVIEW
Krzysztof Matusiewicz, Barbara Iwańczak, Małgorzata Matusiewicz
The work presents the newest knowledge on a new phenotype of T helper lymphocytes (Th9) and on Interleukin 9 (IL-9). Processes leading to transformation of naïve T lymphocyte into Th9 lymphocytes are presented, including the role of IL-4 and TGFβ signaling. Involvement of transcription factor network in production of IL-9 is described. Other cells capable of expressing IL-9 and secreting IL-9 are portrayed. Diversity of IL-9 effects caused by activation of IL-9 receptors on various types of cells is presented...
March 19, 2018: Advances in Medical Sciences
https://www.readbyqxmd.com/read/29197783/lotus-tetragonolobus-and-maackia-amurensis-lectins-influence-phospho-i%C3%AE%C2%BAb%C3%AE-il-8-lewis-b-and-h-type-1-glycoforms-levels-in-h-pylori-infected-crl-1739-gastric-cancer-cells
#8
Iwona Radziejewska, Małgorzata Borzym-Kluczyk, Katarzyna Leszczyńska, Joanna Wosek, Anna Bielawska
PURPOSE: Attachment of Helicobacter pylori to the mucous epithelial cells and the mucous layer is said to be a crucial step for infection development. Sugar antigens of gastric mucins (MUC5AC, MUC1) can act as receptors for bacterial adhesins. The aim of the study was to investigate if Lotus tetragonolobus and Maackia amurensis lectins influence the level of MUC1, MUC5AC, Lewis b, H type 1, sialyl Lewis x, phospho-IκBα and interleukin 8 in Helicobacter pylori infected gastric cancer cells...
March 2018: Advances in Medical Sciences
https://www.readbyqxmd.com/read/29197261/is-the-clock-drawing-test-useful-in-the-screening-assessment-of-aged-patients-with-chronic-heart-failure
#9
Karolina Piotrowicz, Małgorzata Fedyk-Łukasik, Anna Skalska, Tomasz Grodzicki
PURPOSE: Cognitive impairment is one of the most common geriatric deficits in old patients with heart failure (HF), but there has been a lack of study on the utility of the Clock Drawing Test (CDT) when used with this group of patients. The aim of the study was to assess the usefulness of the CDT in the geriatric assessment of aged outpatients with chronic HF. PATIENTS AND METHODS: A cross-sectional analysis of the results of the comprehensive geriatric assessment (CGA), including the CDT, of 92 aged outpatients with heart failure was conducted...
March 2018: Advances in Medical Sciences
https://www.readbyqxmd.com/read/29175078/limbic-brain-structures-and-burnout-a-systematic-review
#10
REVIEW
YeeKong Chow, Jolanta Masiak, Emilia Mikołajewska, Dariusz Mikołajewski, Grzegorz Marcin Wójcik, Brian Wallace, Andy Eugene, Marcin Olajossy
More profound understanding of the relationship between the burnout and the limbic system function can provide better insight into brain structures associated with the burnout syndrome. The objective of this review is to explore all evidence of limbic brain structures associated with the burnout syndrome. In total, 13 studies were selected. Four of them applied the neuroimaging technology to investigate the sizes/volumes of the limbic brain structures of burnout patients. Six other studies were to investigate the hypothalamus-pituitary-adrenal (HPA) axis of burnout patients...
March 2018: Advances in Medical Sciences
https://www.readbyqxmd.com/read/29149764/human-saliva-as-a-diagnostic-material
#11
REVIEW
Sylwia Chojnowska, Tomasz Baran, Iwona Wilińska, Paulina Sienicka, Iwona Cabaj-Wiater, Małgorzata Knaś
Today blood biochemical laboratory tests are essential elements to the diagnosis and monitoring of the treatment of diseases. However, many researchers have suggested saliva as an preferable diagnostic material. The collection of saliva is simple, painless, cheap and safe, both for patients and medical staff. An additional advantage of saliva is the fact that it may be retrieved several times a day, which makes repeat analysis much easier. Furthermore, saliva has very high durability. Although 94-99% of salivary content is water, saliva also contains numerous cellular elements and many organic and inorganic substances, including most biological markers present in the blood and urine that may be used in the early detection and monitoring of many dental and general diseases...
March 2018: Advances in Medical Sciences
https://www.readbyqxmd.com/read/29145170/perioperative-thrombocytopenia-predicts-poor-outcome-in-patients-undergoing-transcatheter-aortic-valve-implantation
#12
Maciej Mitrosz, Remigiusz Kazimierczyk, Malgorzata Chlabicz, Bozena Sobkowicz, Ewa Waszkiewicz, Anna Lisowska, Slawomir Dobrzycki, Wlodzimierz J Musial, Tomasz Hirnle, Karol A Kaminski, Agnieszka M Tycinska
PURPOSE: To determine the time point at which thrombocytopenia after TAVI procedure is an indicator of the worst prognosis, with special consideration of perioperative platelet and coagulation activation as its potential causes. METHODS: Thirty two patients (mean age 78.5±7.9years, 62% females) qualified for TAVI procedure were prospectively evaluated. Platelet counts were assessed at baseline and for the next three postoperative (POD) days. Platelet activation was evaluated by P-selectin (PS, serum, ELISA) and platelet factor 4 (PF-4, CTAD plasma), and blood coagulation activation by prothrombin fragments 1+2 (F1+2, plasma, ELISA)...
March 2018: Advances in Medical Sciences
https://www.readbyqxmd.com/read/29128760/vitamin-d-deficiency-in-children-with-recurrent-respiratory-infections-with-or-without-immunoglobulin-deficiency
#13
Nel Dąbrowska-Leonik, Ewa Bernatowska, Małgorzata Pac, Wiktor Filipiuk, Jan Mulawka, Barbara Pietrucha, Edyta Heropolitańska-Pliszka, Katarzyna Bernat-Sitarz, Beata Wolska-Kuśnierz, Bożena Mikołuć
PURPOSE: The objective of this study was to evaluate thevitamin D concentration in patients with recurrent respiratory infections with or without immunoglobulin G, A or M (IgG, IgA, IgM) deficiency, and to find a correlation between the vitamin D concentration and the response to hepatitis B vaccination. MATERIALS AND METHOD: The study involved 730 patients with recurrent respiratory infections. The concentration of 25-hydroxyvitamin D (25(OH)D), immunoglobulins G, A and M, anti-HBs was determined...
March 2018: Advances in Medical Sciences
https://www.readbyqxmd.com/read/29120859/tick-borne-infections-and-co-infections-in-patients-with-non-specific-symptoms-in-poland
#14
Justyna Dunaj, Anna Moniuszko-Malinowska, Izabela Swiecicka, Martin Andersson, Piotr Czupryna, Krzysztof Rutkowski, Grzegorz Zambrowski, Joanna Zajkowska, Sambor Grygorczuk, Maciej Kondrusik, Renata Świerzbińska, Sławomir Pancewicz
AIM: The aim of the study was the evaluation of the frequency of infections and co-infections among patients hospitalized because of non-specific symptoms after a tick bite. MATERIALS AND METHODS: Whole blood, serum and cerebrospinal fluid samples from 118 patients hospitalised for non-specific symptoms up to 8 weeks after tick bite from 2010 to 2013 were examined for tick-borne infections. ELISA, Western blot and/or molecular biology (PCR; fla gene; 16S rRNA; sequencing) and thin blood smears (MDD) were used...
March 2018: Advances in Medical Sciences
https://www.readbyqxmd.com/read/29120858/prognostic-value-of-fibrosis-related-markers-in-dilated-cardiomyopathy-a-link-between-osteopontin-and-cardiovascular-events
#15
Paweł Rubiś, Sylwia Wiśniowska-Śmiałek, Ewa Dziewięcka, Lucyna Rudnicka-Sosin, Artur Kozanecki, Piotr Podolec
INTRODUCTION: Serum markers of fibrosis provide an insight into extracellular matrix (ECM) fibrosis in heart failure (HF) and dilated cardiomyopathy (DCM). However, their role as predictors of cardiovascular (CV) events in DCM is poorly understood. METHODS: This is an observational, prospective cohort study. 70 DCM patients (48±12.1years, ejection fraction - EF 24.4±7.4) were recruited. Markers of collagen type I and III synthesis - procollagen type I and III carboxy- and amino-terminal peptides (PICP, PIIICP, PINP, PIIINP), fibrosis controlling factors - ostepontin (OPN), transforming growth factor (TGF1-β) and connective tissue growth factor (CTGF), and matrix metalloproteinases (MMP-2, MMP-9) and tissue inhibitor (TIMP-1), were measured in serum...
March 2018: Advances in Medical Sciences
https://www.readbyqxmd.com/read/29120857/the-safety-and-efficacy-of-light-emitting-diodes-based-ultraviolet-a1-phototherapy-in-bleomycin-induced-scleroderma-in-mice
#16
Diana Karpec, Romualdas Rudys, Laima Leonaviciene, Zygmunt Mackiewicz, Ruta Bradunaite, Gailute Kirdaite, Algirdas Venalis
PURPOSE: To define the efficacy and safety of narrowband ultraviolet A1 (UVA1) for the treatment of dermal fibrosis in bleomycin-induced mouse model of scleroderma. MATERIALS AND METHODS: 42 DBA/2 strain mice were included in the study: healthy mice and mice with established scleroderma, treated with high or medium dose of UVA1. Non-treated groups served as control. The equipment emitting 365±5nm UVA1 radiation was used in the study. The average cumulative doses were 1200J/cm2 for high and 600J/cm2 for medium dose course...
March 2018: Advances in Medical Sciences
https://www.readbyqxmd.com/read/29120856/ppar%C3%AE-pro12ala-and-c161t-polymorphisms-in-patients-with-acne-vulgaris-contribution-to-lipid-and-lipoprotein-profile
#17
Shohreh Saeidi, Foroogh Chamaie-Nejad, Ali Ebrahimi, Fariba Najafi, Ziba Rahimi, Asad Vaisi-Raygani, Ebrahim Shakiba, Zohreh Rahimi
PURPOSE: The aim of present study was to clarify the role of peroxisome proliferator-activated receptor γ (PPARγ) Pro12Ala and C161T variants in the pathogenesis of acne vulgaris (AV) and their influence on lipid and lipoprotein profile. METHODS: The present case-control study consisted of 393 individuals including 198 patients with AV (mild-, moderate-, and severe-AV) and 195 unrelated age-matched healthy individuals from Western Iran. The PPARγ Pro12Ala and C161T polymorphisms were identified using polymerase chain reaction-restriction length polymorphism method...
March 2018: Advances in Medical Sciences
https://www.readbyqxmd.com/read/29120855/the-application-of-l-prp-in-aids-patients-with-crural-chronic-ulcers-a-pilot-study
#18
Agata Cieslik-Bielecka, Rafał Skowroński, Magdalena Jędrusik-Pawłowska, Marcin Pierchała
PURPOSE: Nonhealing wounds or skin ulcerations are the result of insufficient repair and destruction of a local healing potential. Opportunistic infections which cause a lot of ulcer complications influence the worsening general condition of patients with AIDS, ultimately leading to death. The chronicity of the condition and poor results of conventional therapy have prompted the search for new methods of treatment. MATERIALS AND METHODS: We have examined venous or arteriovenous insufficiency-related extensive crural ulcers in AIDS patients...
March 2018: Advances in Medical Sciences
https://www.readbyqxmd.com/read/29120854/the-protective-effects-of-bacillus-licheniformis-preparation-on-gastrointestinal-disorders-and-inflammation-induced-by-radiotherapy-in-pediatric-patients-with-central-nervous-system-tumor
#19
Shu-Xu Du, Yong-Rui Jia, Si-Qi Ren, Xiao-Jun Gong, Hong Tang, Wu Wan-Shui, Sun Li-Ming
PURPOSE: we studied the effect of Bacillus licheniformis preparation (ZCS) on CNST (central nervous system tumor) patients undergoing the gastrointestinal symptoms and inflammation induced by radiotherapy. MATERIALS AND METHODS: 160 CNST patients with craniospinal irradiation (CSI) treatment were divided into experiment and control group. The experiment group patients took one capsule per time of ZCS and three times a day until the end of radiotherapy, starting one day before radiotherapy...
March 2018: Advances in Medical Sciences
https://www.readbyqxmd.com/read/29120853/ultrastructural-characteristics-of-the-respective-forms-of-hepatic-stellate-cells-in-chronic-hepatitis-b-as-an-example-of-high-fibroblastic-cell-plasticity-the-first-assessment-in-children
#20
Joanna Maria Lotowska, Maria Elzbieta Sobaniec-Lotowska, Dariusz Marek Lebensztejn
PURPOSE: Activation of hepatic stellate cells (HSCs), mainly responsible for extracellular matrix synthesis, is assumed to be central event in the process of liver fibrogenesis. The major objective of the research was to analyze the ultrastructural profile of activated HSCs in children with chronic hepatitis B (chB), with respect to fibrosis intensity. MATERIALS/METHODS: Ultrastructural investigations of HSCs were conducted on liver bioptates from 70 children with clinicopathologically diagnosed chB before antiviral treatment...
March 2018: Advances in Medical Sciences
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