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https://www.readbyqxmd.com/read/28642006/exoenzyme-activity-and-possibility-identification-of-candida-dubliniensis-among-candida-albicans-species-isolated-from-vaginal-candidiasis
#1
Maryam Jafari, Samira Salari, Keyvan Pakshir, Kamiar Zomorodian
OBJECTIVES: Vulvovaginal candidiasis (VVC) or vaginal candidiasis is a common fungal infection of the genitals causing inflammation, irritation, itching, and vaginal discharge. Common yeast infections are caused by the yeast species C. albicans. However, there are other species of Candida such as C. dubliniensis which are considered as the causative agents of this infection. Hydrolytic enzymes such as proteinase and coagulase are known as virulence factors. The aim of this study was the molecular confirmation and differentiation of C...
June 19, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28641998/construction-of-a-hepatitis-b-virus-neutralizing-chimeric-monoclonal-antibody-recognizing-escape-mutants-of-the-viral-surface-antigen-hbsag
#2
Forough Golsaz-Shirazi, Mohammad Mehdi Amiri, Samira Farid, Motahareh Bahadori, Felix Bohne, Sebastian Altstetter, Lisa Wolff, Tohid Kazemi, Jalal Khoshnoodi, Mohammad Hojjat-Farsangi, Michael Chudy, Mahmood Jeddi-Tehrani, Ulrike Protzer, Fazel Shokri
Hepatitis B virus (HBV) infection is a global burden on the health-care system and is considered as the tenth leading cause of death in the world. Over 248 million patients are currently suffering from chronic HBV infection worldwide and annual mortality rate of this infection is 686000. The "a" determinant is a hydrophilic region present in all antigenic subtypes of hepatitis B surface antigen (HBsAg), and antibodies against this region can neutralize the virus and are protective against all subtypes. We have recently generated a murine anti-HBs monoclonal antibody (4G4), which can neutralize HBV infection in HepaRG cells and recognize most of the escape mutant forms of HBsAg...
June 19, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28639628/multiple-socioeconomic-deprivation-and-impact-on-survival-in-patients-with-primary-glomerulonephritis
#3
Emily P McQuarrie, Bruce Mackinnon, Samira Bell, Stewart Fleming, Valerie McNeice, Graham Stewart, Jonathan G Fox, Colin C Geddes
Background: The impact of multiple socio-economic deprivation on patient outcomes in primary renal diseases is unknown. We aimed to assess whether risk of death or requiring renal replacement therapy (RRT) in patients with primary glomerulonephritis (GN) was higher in patients living in an area of multiple socio-economic deprivation. Methods: Patients undergoing native renal biopsy between 2000 and 2014 were identified. Baseline demographics, postcode at time of biopsy, follow-up blood pressure, proteinuria and time to death or RRT were recorded...
February 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/28630381/antibody-response-to-human-extracellular-her2-subdomain-proteins-in-mice
#4
Fateme Sadri-Ardalani, Moslem Ahmadi, Azam Hemmati, Shaghayegh Emami, Samira Farid, Mohammad Mehdi Amiri, Mahmood Jeddi-Tehrani, Mahdi Shabani, Fazel Shokri
BACKGROUND: In addition to passive immunotherapy using anti-HER2 monoclonal antibodies, active immunotherapy via HER2 targeting is an interesting approach to inducing specific anti-tumor immune responses. We have recently reported the immunogenicity of HER2 subdomains following DNA immunization and HER2 protein boosting. In the present study, we evaluated the immunogenicity of different HER2 extracellular subdomains for the induction of anti-HER2 antibody response in BALB/c mice. OBJECTIVE: To investigate and characterize antibody responses to human recombinant proteins of HER2 extracellular subdomains in immunized mice...
June 2017: Iranian Journal of Immunology: IJI
https://www.readbyqxmd.com/read/28630306/heat-exchange-between-a-bouncing-drop-and-a-superhydrophobic-substrate
#5
Samira Shiri, James C Bird
The ability to enhance or limit heat transfer between a surface and impacting drops is important in applications ranging from industrial spray cooling to the thermal regulation of animals in cold rain. When these surfaces are micro/nanotextured and hydrophobic, or superhydrophobic, an impacting drop can spread and recoil over trapped air pockets so quickly that it can completely bounce off the surface. It is expected that this short contact time limits heat transfer; however, the amount of heat exchanged and precise role of various parameters, such as the drop size, are unknown...
June 19, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28627820/performance-of-the-liaison%C3%A2-xl-murex-rechtlv-i-ii-immunoassay-in-the-detection-of-htlv-1-2-antibodies-in-serum
#6
Pierre Gantner, Aurelie Velay, Nicolas Guigue, Heidi Barth, Marie-Josee Wendling, Constance Delaugerre, Samira Fafi-Kremer
BACKGROUND: Human T-cell lymphotropic virus type 1 and 2 (HTLV-1/2) immunoassays are used for blood screen- ing from blood products, milk, and organ donors. METHODS: We assessed the performance of the DiaSorin Liaison® XL murex recHTLV-I/II immunoassay relative to the Abbott Architect® rHTLV-I/II immunoassay and with the Innogenetics immunoblot as confirmation. RESULTS: A panel of HTLV positive (n = 66) and negative (n = 30) sera was tested in both techniques within the same freeze/thaw cycle...
May 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/28624961/phenotypic-and-functional-characterization-of-t-cells-in-white-matter-lesions-of-multiple-sclerosis-patients
#7
Gijsbert P van Nierop, Marvin M van Luijn, Samira S Michels, Marie-Jose Melief, Malou Janssen, Anton W Langerak, Werner J D Ouwendijk, Rogier Q Hintzen, Georges M G M Verjans
T cells are considered pivotal in the pathology of multiple sclerosis (MS), but their function and antigen specificity are unknown. To unravel the role of T cells in MS pathology, we performed a comprehensive analysis on T cells recovered from paired blood, cerebrospinal fluid (CSF), normal-appearing white matter (NAWM) and white matter lesions (WML) from 27 MS patients with advanced disease shortly after death. The differentiation status of T cells in these compartments was determined by ex vivo flow cytometry and immunohistochemistry...
June 17, 2017: Acta Neuropathologica
https://www.readbyqxmd.com/read/28618092/a-platinized-stainless-steel-fiber-with-in-situ-coated-polyaniline-polypyrrole-graphene-oxide-nanocomposite-sorbent-for-headspace-solid-phase-microextraction-of-aliphatic-aldehydes-in-rice-samples
#8
Alireza Ghiasvand, Afagh Nasirian, Samira Koonani, Kolsoum Nouriasl
The surface of a stainless steel fiber was made larger, porous and cohesive by platinizing for tightly attachment of its coating. Then, it was coated by a polyaniline/polypyrrole/graphene oxide (PANI/PP/GO) nanocomposite film using electrochemical polymerization (EP) process. The prepared PANI/PP/GO fiber was used for headspace solid-phase microextraction (HS-SPME) of linear aliphatic aldehydes in rice samples followed by gas-chromatography flame ionization detector (GC-FID) determination. To achieve the highest extraction efficiency, various experimental parameters including extraction time and temperature, matrix modifier, and desorption condition were studied...
June 15, 2017: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/28617951/altered-expression-of-igf-i-system-in-neurons-of-the-inflamed-spinal-cord-during-acute-experimental-autoimmune-encephalomyelitis
#9
Azita Parvaneh Tafreshi, Farideh Talebi, Samira Ghorbani, Claude Bernard, Farshid Noorbakhsh
BACKGROUND: There is growing evidence that the impaired IGF-I system contributes to neurodegeneration. OBJECTIVES: In this study, we examined the spinal cords of the EAE, the animal model of multiple sclerosis, to see if the expression of the IGF-I system is altered. METHODS: To induce EAE, C57/BL6 mice were immunized with the Hooke lab MOG kit, sacrificed at the peak of the disease and their spinal cords were examined for the immunoreactivities (ir) of the IGF-I, IGF binding protein-1 (IGFBP-1) and glycogen synthase kinase 3β (GSK3β), as one major downstream molecule in the IGF-I signaling...
June 15, 2017: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/28617800/whole-genome-sequencing-distinguishes-between-relapse-and-reinfection-in-recurrent-leprosy-cases
#10
Mariane M A Stefani, Charlotte Avanzi, Samira Bührer-Sékula, Andrej Benjak, Chloé Loiseau, Pushpendra Singh, Maria A A Pontes, Heitor S Gonçalves, Emerith M Hungria, Philippe Busso, Jérémie Piton, Maria I S Silveira, Rossilene Cruz, Antônio Schetinni, Maurício B Costa, Marcos C L Virmond, Suzana M Diorio, Ida M F Dias-Baptista, Patricia S Rosa, Masanori Matsuoka, Maria L F Penna, Stewart T Cole, Gerson O Penna
BACKGROUND: Since leprosy is both treated and controlled by multidrug therapy (MDT) it is important to monitor recurrent cases for drug resistance and to distinguish between relapse and reinfection as a means of assessing therapeutic efficacy. All three objectives can be reached with single nucleotide resolution using next generation sequencing and bioinformatics analysis of Mycobacterium leprae DNA present in human skin. METHODOLOGY: DNA was isolated by means of optimized extraction and enrichment methods from samples from three recurrent cases in leprosy patients participating in an open-label, randomized, controlled clinical trial of uniform MDT in Brazil (U-MDT/CT-BR)...
June 15, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28617798/robust-transmission-of-rate-coding-in-the-inhibitory-purkinje-cell-to-cerebellar-nuclei-pathway-in-awake-mice
#11
Samira Abbasi, Amber E Hudson, Selva K Maran, Ying Cao, Ataollah Abbasi, Detlef H Heck, Dieter Jaeger
Neural coding through inhibitory projection pathways remains poorly understood. We analyze the transmission properties of the Purkinje cell (PC) to cerebellar nucleus (CN) pathway in a modeling study using a data set recorded in awake mice containing respiratory rate modulation. We find that inhibitory transmission from tonically active PCs can transmit a behavioral rate code with high fidelity. We parameterized the required population code in PC activity and determined that 20% of PC inputs to a full compartmental CN neuron model need to be rate-comodulated for transmission of a rate code...
June 15, 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28617190/experimental-and-theoretical-studies-of-cadmium-ions-absorption-by-a-new-reduced-recombinant-defensin
#12
Karim Mahnam, Samira Foruzandeh, Neda Mirakhorli, Behnaz Saffar
Heavy metal pollutants such as Cd, Hg, Pb, As and Se are considered as both a global problem and a growing threat to the humanity. Being strongly poisonous to the metal-sensitive enzymes and leading to the growth inhibition and death of organisms, these metals have a toxic impact on the plants and animals. Inducing the metal-binding cysteine-rich peptides such as metallothioneins, phytochelatins, and defensins, higher organisms like plants and animals usually react to the heavy metal stress. In this study, a recombinant defensin protein was expressed in bean and its ability in the cadmium absorption was determined...
June 15, 2017: Journal of Biomolecular Structure & Dynamics
https://www.readbyqxmd.com/read/28614461/-improved-blood-pressure-control-to-reduce-cardiovascular-disease-morbidity-and-mortality-the-standardized-hypertension-treatment-and-prevention-project
#13
Pragna Patel, Pedro Ordunez, Donald DiPette, María Cristina Escobar, Trevor Hassell, Fernando Wyss, Anselm Hennis, Samira Asma, Sonia Angell
Hypertension is the leading remediable risk factor for cardiovascular disease, affecting more than 1 billion people worldwide, and is responsible for more than 10 million preventable deaths globally each year. While hypertension can be successfully diagnosed and treated, only one in seven persons with hypertension have controlled blood pressure. To meet the challenge of improving the control of hypertension, particularly in low- and middle-income countries, the authors developed the Standardized Hypertension Treatment and Prevention Project, which involves a health systems-strengthening approach that advocates for standardized hypertension management using evidence-based interventions...
June 8, 2017: Revista Panamericana de Salud Pública, Pan American Journal of Public Health
https://www.readbyqxmd.com/read/28614446/-factors-associated-with-tb-hiv-coinfection-evidence-from-notification-data-in-the-state-of-amazonas-brazil-2001-2012
#14
Evela da Silva Magno, Valeria Saraceni, Alexandra Brito de Souza, Regma da Silva Magno, Maria das Graças Gomes Saraiva, Samira Bührer-Sékula
Tuberculosis (TB) in persons living with HIV (PLHIV) is the leading infectious cause of AIDS-related death. The aim of this study was to estimate the prevalence of TB/HIV coinfection, evaluate notification of the two diseases over time by probabilistic database linkage, and identify factors associated with AIDS and TB notifications. Prevalence of TB/HIV coinfection was 7.7%. The group of PLHIV with subsequent TB diagnosis was the most representative, despite available preventive measures. Underreporting of TB among AIDS cases was 35%, and 19...
June 12, 2017: Cadernos de Saúde Pública
https://www.readbyqxmd.com/read/28612976/lithium-ameliorates-sleep-deprivation-induced-mania-like-behavior-hypothalamic-pituitary-adrenal-hpa-axis-alterations-oxidative-stress-and-elevations-of-cytokine-concentrations-in-the-brain-and-serum-of-mice
#15
Samira S Valvassori, Wilson R Resende, Gustavo Dal-Pont, Heron Sangaletti-Pereira, Fernanda F Gava, Bruna R Peterle, Roger B Varela, Felipe Dal-Pizzol, João Quevedo
OBJECTIVES: The goal of the present study was to investigate the effects of lithium administration on behavior, oxidative stress parameters and cytokine levels in the periphery and brain of mice subjected to an animal model of mania induced by paradoxical sleep deprivation (PSD). METHODS: Male C57 mice were treated with saline or lithium for 7 days. The sleep deprivation protocol started on the 5th day during for the last 36 hours of the treatment period. Immediately after the sleep deprivation protocol, animals locomotor activity was evaluated and serum and brain samples was extracted to evaluation of corticosterone and adrenocorticotropic hormone circulating levels, oxidative stress parameters and citokynes levels...
June 14, 2017: Bipolar Disorders
https://www.readbyqxmd.com/read/28612582/management-in-rare-association-of-moyamoya-syndrome-and-hereditary-spherocytosis
#16
Samira Yadegari, Ali Aminian
No abstract text is available yet for this article.
August 2017: Minerva Pediatrica
https://www.readbyqxmd.com/read/28608468/toll-like-receptor4-as-a-modulator-of-fertilization-and-subsequent-pre-implantation-development-following-in-vitro-maturation-in-mice
#17
Sara Hosseini, Maryam Dehghani-Mohammadabadi, Marefat Ghafarri Novin, Mostafa Haji Molla Hoseini, Ehsan Arefian, Samira Mohammadi Yeganeh, Mohammad Salehi
PROBLEM: The use of in vitro maturation (IVM) as an alternative approach to the conventional assisted reproductive technique in clinical practice is limited due to low fertilization rate. The expression of Toll-like receptors (TLRs) as members of an innate immune system in cumulus cells are thought to affect fertilization. This study was aimed to evaluate the effect of IVM on TLR4 gene expression and fertilization rate in oocytes derived from IVM in comparison with in vivo matured one...
June 13, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/28599666/access-to-and-use-of-long-lasting-insecticidal-nets-and-factors-associated-with-non-use-among-communities-in-malaria-endemic-areas-of-al-hudaydah-governorate-in-the-tihama-region-west-of-yemen
#18
Samira M A Al-Eryani, Mohammed A K Mahdy, Abdulsalam M Al-Mekhlafi, Rashad Abdul-Ghani
BACKGROUND: Universal coverage of the targeted malaria-endemic areas with long-lasting insecticidal nets (LLINs) is implemented as one of the key interventions for malaria control and elimination in Yemen. In 2013, through a mass campaign, LLINs were distributed to the targeted communities in Al Hudaydah governorate. This study aimed to assess the ownership of, access to, and use of LLINs. It also aimed to identify factors associated with not using LLINs in malaria-endemic areas of Al Hudaydah in the Tihama region, west of Yemen...
June 9, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28598829/impaired-expression-of-drosha-in-breast%C3%A2-cancer
#19
Ali Akbar Poursadegh Zonouzi, Mohammad Shekari, Azim Nejatizadeh, Samira Shakerizadeh, Hedieh Fardmanesh, Ahmad Poursadegh Zonouzi, Mohammad Rahmati-Yamchi, Majid Tozihi
BACKGROUND: Impaired miRNAs processing pathway is one interesting scenario for global downregulation of the miRNAome in various types of malignancy. We previously reported that DGCR8 and Dicer genes dysregulated in patients with breast cancer. OBJECTIVE: To evaluate the expression pattern of Drosha in patients with breast cancer. METHODS: We evaluated the mRNA expression level of Drosha in 70 fresh breast carcinomas and adjacent non-neoplastic tissue using quantitative real-time PCR and assessed the possible correlation between its expression and clinicopathological parameters...
June 2, 2017: Breast Disease
https://www.readbyqxmd.com/read/28598202/evaluation-of-the-effect-of-time-dependent-dosing-on-pharmacokinetic-and-pharmacodynamics-of-amlodipine-in-normotensive-and-hypertensive-human-subjects
#20
Samira Khodadoustan, Iran Nasri Ashrafi, K Vanaja Satheesh, Chethan Kumar, Shekar Hs, Chikkalingaiah S
In clinical practice, circadian rhythms play a prominent role in pharmacokinetics and cell responses to therapy, hence necessitating in designing a defined protocol for drug administration. Clinical evidence for chronopharmacological behavior of cardiovascular active drugs in human subjects has been limited for amlodipine. Hence, the present study was undertaken to study the chronopharmacokinetic and chronopharmacodynamic phenomena of amlodipine and evaluate the effect of time of dosage in hypertensive subjects...
June 9, 2017: Clinical and Experimental Hypertension: CHE
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