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https://www.readbyqxmd.com/read/29149785/association-study-of-hla-dqb1-0602-allele-in-iranian-patients-with-narcolepsy
#1
Demeke Geremew, Ania Rahimi-Golkhandan, Khosro Sadeghniiat-Haghighi, Yadollah Shakiba, Ahmad Khajeh-Mehrizi, Bita Ansaripour, Maryam Izad
Narcolepsy is a rare, disabling disorder characterized by excessive daytime sleepiness, cataplexy, hypnagogic hallucinations and sleep paralysis. Several studies demonstrated its association with HLA-DQB1*0602 in various ethnic groups. Our study aimed to determine the prevalence of HLA-DQB1*0602 allele in Iranian patients with narcolepsy and assess its predictive parameters for diagnosing narcolepsy. In addition, car accidents and job problems were assessed among narcoleptic patients. We studied 44 narcoleptic patients, 30 patients with other types of excessive daytime sleepiness (EDS)  and 50 healthy age and sex matched individuals in this case-control study...
October 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/29149779/increased-genes-expression-levels-of-cytokines-related-to-th17-treg-cells-in-peripheral-blood-mononuclear-cell-correlate-with-clinical-severity-in-copd-and-mustard-gas-exposed-patients
#2
Parisa Farahani, Raheleh Halabian, Ensieh Vahedi, Jafar Salimian
The long lasting inflammation and immune dysregulation is one of the main mechanisms involved in lung complication of veterans exposed to sulfur mustard (SM) gas. Th17/Treg cells have an important role in immunopathogenesis of chronic obstructive pulmonary disease (COPD) and mustard lung disease. In this study, expression of cytokines genes levels related to Th17/Treg cells was determined in peripheral blood mononuclear (PBMC) of mustard lung patients and was compared with COPD patients and healthy controls (HC)...
October 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/29149764/human-saliva-as-a-diagnostic-material
#3
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...
November 14, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/29149721/biological-safety-and-tissue-distribution-of-16-mercaptohexadecyl-trimethylammonium-bromide-modified-cationic-gold-nanorods
#4
Monika Zarska, Michal Sramek, Filip Novotny, Filip Havel, Andrea Babelova, Blanka Mrazkova, Oldrich Benada, Milan Reinis, Ivan Stepanek, Kamil Musilek, Jiri Bartek, Monika Ursinyova, Ondrej Novak, Rastislav Dzijak, Kamil Kuca, Jan Proska, Zdenek Hodny
The exceptionally high cellular uptake of gold nanorods (GNRs) bearing cationic surfactants makes them a promising tool for biomedical applications. Given the known specific toxic and stress effects of some preparations of cationic nanoparticles, the purpose of this study was to evaluate, in an in vitro and in vivo in mouse, the potential harmful effects of GNRs coated with (16-mercaptohexadecyl)trimethylammonium bromide ((MTAB)GNRs). Interestingly, even after cellular accumulation of high amounts of (MTAB)GNRs sufficient for induction of photothermal effect, no genotoxicity (even after longer-term accumulation), induction of autophagy, destabilization of lysosomes (dominant organelles of their cellular destination), alterations of actin cytoskeleton, or in cell migration could be detected in vitro...
November 1, 2017: Biomaterials
https://www.readbyqxmd.com/read/29149720/a-robust-strategy-for-preparation-of-sequential-stimuli-responsive-block-copolymer-prodrugs-via-thiolactone-chemistry-to-overcome-multiple-anticancer-drug-delivery-barriers
#5
Wendong Ke, Wei Yin, Zengshi Zha, Jean Felix Mukerabigwi, Weijian Chen, Yuheng Wang, Chuanxin He, Zhishen Ge
Block copolymer prodrugs (BCPs) have attracted considerable attentions in clinical translation of nanomedicine owing to their self-assembly into well-defined core-shell nanoparticles for improved pharmacokinetics, stability in blood circulation without drug leakage, and optimized biodistribution. However, a cascade of physiological barriers against specific delivery of drugs into tumor cells limit the final therapeutic efficacy. Herein, we report a robust and facile strategy based on thiolactone chemistry to fabricate well-defined BCPs with sequential tumor pH-promoted cellular internalization and intracellular stimuli-responsive drug release...
November 9, 2017: Biomaterials
https://www.readbyqxmd.com/read/29149704/gold-nanoparticles-as-an-adjuvant-influence-of-size-shape-and-technique-of-combination-with-cpg-on-antibody-production
#6
Lev A Dykman, Sergey A Staroverov, Alexander S Fomin, Vitaly A Khanadeev, Boris N Khlebtsov, Vladimir A Bogatyrev
Gold nanoparticles (GNPs) are advantageous as an adjuvant in the design of effective vaccines and in the preparation of high-affinity antibodies to haptens and complete antigens. Another method of activating immunocompetent cells with colloidal gold is to conjugate GNPs with CpG oligodeoxynucleotides (ODNs). We examined how the size and shape of GNPs and various combinations of GNPs and CpG ODNs 1826 affect the immune response. When animals were injected with a model antigen (BSA) coupled to gold nanospheres (diameters, 15 and 50nm), nanorods, nanoshells, and nanostars, the titers of the resultant antibodies differed substantially...
November 14, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/29149650/iron-chelation-therapy-in-lower-ipss-risk-myelodysplastic-syndromes-which-subtypes-benefit
#7
Shannon A Wong, Heather A Leitch
BACKGROUND: Analyses suggest MDS patients with higher serum ferritin levels (SF) have inferior overall survival (OS), in one study across MDS subtypes. Multiple analyses suggest those with high SF receiving iron chelation therapy (ICT) have superior OS, but which MDS subtypes benefit from ICT remains undefined. METHODS: We performed survival analyses of MDS subtypes by receipt of ICT. RESULTS: 182 MDS were lower IPSS risk and received red blood cell (RBC) transfusions; 63 received ICT...
November 11, 2017: Leukemia Research
https://www.readbyqxmd.com/read/29149476/clinical-parameters-before-and-after-the-transition-to-dialysis
#8
Dugan W Maddux, Len A Usvyat, Terry Ketchersid, Yue Jiao, Tommy C Blanchard, Peter Kotanko, Frank M van der Sande, Jeroen P Kooman, Franklin W Maddux
INTRODUCTION: The transition from pre-dialysis chronic kidney disease (CKD) to post-dialysis start is a critical period associated with high patient mortality and increased hospital admissions. Little is known about the trends of key clinical and laboratory parameters through this time of transition to start dialysis. METHODS: De-identified data including demographics, vital signs, lab results, and eGFR from the Fresenius Medical Care-CKD Registry were analyzed to determine trends in clinical and laboratory parameters through the time of transition from 12 months pre-dialysis start to 12 months post-dialysis start...
November 17, 2017: Hemodialysis International
https://www.readbyqxmd.com/read/29149307/tumour-tif1-mutations-and-loss-of-heterozygosity-related-to-cancer-associated-myositis
#9
Iago Pinal-Fernandez, Berta Ferrer-Fabregas, Ernesto Trallero-Araguas, Eva Balada, Maria Angeles Martínez, Jose César Milisenda, Gloria Aparicio-Español, Moises Labrador-Horrillo, Vicente Garcia-Patos, Josep M Grau-Junyent, Albert Selva-O'Callaghan
Objectives: To analyse the influence of genetic alterations and differential expression of transcription intermediary factor 1 ( TIF1 ) genes in the pathophysiology of cancer-associated myositis (CAM). Methods: Paired blood and tumour DNA samples from patients with anti-TIF1γ-positive CAM and from controls were analysed by whole-exome sequencing for the presence of somatic mutations and loss of heterozygosity (LOH) in their TIF1 genes. The genesis and maintenance of the autoimmune process were investigated immunohistochemically by studying TIF1γ expression in the different tissues involved in CAM (skin, muscle and tumour) based on the immunohistochemical H-score...
November 14, 2017: Rheumatology
https://www.readbyqxmd.com/read/29149302/activity-of-colistin-alone-or-in-combination-with-rifampicin-or-meropenem-in-a-carbapenem-resistant-bioluminescent-pseudomonas-aeruginosa-intraperitoneal-murine-infection-model
#10
Yun Cai, Deqing Yang, Jin Wang, Rui Wang
Background: Carbapenem-resistant Pseudomonas aeruginosa (CRPA) infections represent a major therapeutic problem and combination therapy may be the chemotherapeutic option. Methods: Bioluminescent CRPA was developed through sequential subcultures in subinhibitory concentrations of meropenem from an engineered strain of bioluminescent PA Xen5. Then CRPA was injected intraperitoneally to establish an intraperitoneal murine infection model. Treatments of colistin alone or combined with rifampicin or meropenem were started 1 h after infection...
November 14, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29149281/seroreactivity-to-the-c6-peptide-in-borrelia-miyamotoi-infections-occurring-in-the-northeastern-united-states
#11
Phillip J Molloy, Karen E Weeks, Brittany Todd, Gary P Wormser
Background: There are no Food and Drug Administration (FDA) approved diagnostic tests for Borrelia miyamotoi infection, an emerging tick-borne illness in the United States. The purpose of this study was to evaluate whether the FDA-approved C6 peptide ELISA currently used to diagnose Lyme disease may potentially serve as a diagnostic test for B. miyamotoi infections. Methods: Serum specimens from 30 patients from the Northeastern United States with B. miyamotoi infection established by a polymerase chain reaction assay of a blood specimen were tested using the C6 ELISA...
November 15, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29149184/health-effects-of-saturated-and-trans-fatty-acid-intake-in-children-and-adolescents-systematic-review-and-meta-analysis
#12
Lisa Te Morenga, Jason M Montez
BACKGROUND: Elevated cholesterol has been linked to cardiovascular disease in adults and preclinical markers of atherosclerosis in children, thus reducing saturated (SFA) and trans-fatty acids (TFA) intake from an early age may help to reduce cholesterol and the risk of cardiovascular disease later in life. The aim of this review is to examine the evidence for health effects associated with reducing SFA and TFA intake in free-living children, adolescents and young adults between 2 to 19 years of age...
2017: PloS One
https://www.readbyqxmd.com/read/29149029/kappaphycus-alvarezii-as-a-food-supplement-prevents-diet-induced-metabolic-syndrome-in-rats
#13
Stephen Wanyonyi, Ryan du Preez, Lindsay Brown, Nicholas A Paul, Sunil K Panchal
The red seaweed, Kappaphycus alvarezii, was evaluated for its potential to prevent signs of metabolic syndrome through use as a whole food supplement. Major biochemical components of dried Kappaphycus are carrageenan (soluble fiber ~34.6%) and salt (predominantly potassium (K) 20%) with a low overall energy content for whole seaweed. Eight to nine week old male Wistar rats were randomly divided into three groups and fed for 8 weeks on a corn starch diet, a high-carbohydrate, high-fat (H) diet, alone or supplemented with a 5% (w/w) dried and milled Kappaphycus blended into the base diet...
November 17, 2017: Nutrients
https://www.readbyqxmd.com/read/29148894/metabolic-profile-in-patients-with-mild-obstructive-sleep-apnea
#14
Luciana Oliveira E Silva, Thais M Guimarães, Gabriela P Luz, Glaury Coelho, Luciana Badke, Ildonete R Almeida, Aline Millani-Carneiro, Sergio Tufik, Lia Bittencourt, Sonia M Togeiro
BACKGROUND: Mild obstructive sleep apnea (OSA) is a highly prevalent disorder in adults. However, it is not clear whether mild OSA has significant metabolic complications. This study examined the prevalence of metabolic syndrome (MS) in patients with mild OSA compared to control group. METHODS: Adults (18-65 years of age) of both genders with a body mass index (BMI) ≤35 kg/m(2) were included. The mild OSA group comprised of patients with an apnea-hypopnea index (AHI) score of ≥5 but ≤15 events/hr of sleep, independent of other symptoms...
November 17, 2017: Metabolic Syndrome and related Disorders
https://www.readbyqxmd.com/read/29148726/a-novel-approach-for-99mtc-labeling-of-red-blood-cells-evaluation-of-99mtc-4saboroxime-as-a-blood-pool-imaging-agent
#15
Min Liu, Zuoquan Zhao, Wei Fang, Shuang Liu
Angiography with radiolabeled red blood cells (RBCs) plays an important role in diagnosis and prognosis in vascular diseases. Both in vitro and in vivo methods have been developed for 99mTc-labeling of RBCs. However, these methods are complicated and lack of reproducibility. Therefore, it is highly desirable to develop an alternative method for routine 99mTc-labeling of RBCs. In this report, we present a novel approach for 99mTc-labeling of RBCs. We prepared a new 99mTc(III) radiotracer [99mTcCl(CDO)(CDOH)2B-4AS] (99mTc-4ASboroxime: 4AS-B(OH)2 = 4-aminosulfonylphenyl)boronic acid, and CDOH2 = cyclohexanedione dioxime) in >95% radiochemical purity...
November 17, 2017: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/29148625/evaluation-of-anabolic-steroid-induced-renal-damage-with-sonography-in-bodybuilders
#16
Umut H Kantarci, Zekine Punduk, Omer Senarslan, Alper Dirik
BACKGROUND: The aim of this study was to investigate the effect of anabolic steroids on kidneys in bodybuilders. METHODS: Twenty two bodybuilders were included in the study. Participants were divided into three groups according to the scheme of steroid usage: Group 1 (n=8, intramuscular 500 mg testosterone enanthate, intramuscular 400 mg nandrolone decanoate and oral 40 mg methandrostenolone for 12 weeks), Group 2 (n=7, intramuscular 500 mg testosterone enanthate, intramuscular 300 mg nandrolone decanoate and intramuscular 300 mg boldenone undecylenate for 16 weeks) and Group 3 (n=7, no steroid intake)...
November 17, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/29148566/factors-that-influence-the-provision-of-intrapartum-and-postnatal-care-by-skilled-birth-attendants-in-low-and-middle-income-countries-a-qualitative-evidence-synthesis
#17
REVIEW
Susan Munabi-Babigumira, Claire Glenton, Simon Lewin, Atle Fretheim, Harriet Nabudere
BACKGROUND: In many low- and middle-income countries women are encouraged to give birth in clinics and hospitals so that they can receive care from skilled birth attendants. A skilled birth attendant (SBA) is a health worker such as a midwife, doctor, or nurse who is trained to manage normal pregnancy and childbirth. (S)he is also trained to identify, manage, and refer any health problems that arise for mother and baby. The skills, attitudes and behaviour of SBAs, and the extent to which they work in an enabling working environment, impact on the quality of care provided...
November 17, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29148430/low-dose-4d-cardiac-imaging-in-small-animals-using-dual-source-micro-ct
#18
Matthew Holbrook, Darin P Clark, Cristian T Badea
Micro-CT is widely used in preclinical studies, generating substantial interest in extending its capabilities in functional imaging applications such as blood perfusion and cardiac function. However, imaging cardiac structure and function in mice is challenging due to their small size and rapid heart rate. To overcome these challenges, we propose and compare improvements on two strategies for cardiac gating in dual-source, preclinical micro-CT: fast prospective gating (PG) and uncorrelated retrospective gating (RG)...
November 17, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/29148425/ex-vivo-inhibited-cytokine-profiling-explains-inferior-treatment-response-to-golimumab-after-adalimumab-failure-in-rheumatoid-arthritis
#19
Lieke Tweehuysen, Kiki Schraa, Mihai G Netea, Frank H J van den Hoogen, Leo A B Joosten, Alfons A den Broeder
OBJECTIVES: Clinical data suggest that the response of rheumatoid arthritis patients to treatment with golimumab is much lower among those who switched from adalimumab than among those who switched from etanercept. To elucidate the mechanism behind this difference in response to sequential biologic treatment, we examined the effect of TNF inhibitors on ex vivo cytokine production profiling. METHODS: In a prospective cohort study, blood samples were obtained from patients before the start of a biologic...
October 18, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/29148410/th17-gene-expression-in-psoriatic-arthritis-synovial-fluid-and-peripheral-blood-compared-to-osteoarthritis-and-cutaneous-psoriasis
#20
Fatima Abji, Remy A Pollock, Kun Liang, Vinod Chandran, Dafna D Gladman
OBJECTIVES: The IL-23/IL-17 axis is central to the pathogenesis of psoriatic arthritis (PsA). We aimed to identify Th17 signalling genes that are dysregulated in synovial fluid of PsA compared to osteoarthritis (OA) patients and to determine if differences in peripheral blood can distinguish PsA from psoriasis patients and controls. METHODS: Synovial fluid cells (SFCs) from 14 PsA and 9 OA patients were obtained and stored in TRIzol reagent. RNA was isolated by phenol-chloroform extraction and purified with RNeasy miniprep kits...
November 9, 2017: Clinical and Experimental Rheumatology
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