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I Moghaddasifar, K B Lankarani, M Moosazadeh, M Afshari, A Ghaemi, M Aliramezany, R Afsar Gharebagh, M Malary
BACKGROUND: Non-alcoholic fatty liver disease (NAFLD) is the most prevalent chronic liver disease in developing and developed countries. Estimating the total prevalence of NAFLD by means of appropriate statistical methods can provide reliable evidence for health policy makers. OBJECTIVE: To determine the prevalence of NAFLD in Iran using a systematic review and meta-analysis. METHODS: We identified relevant studies by searching national and international databases...
2016: International Journal of Organ Transplantation Medicine
Soheila Moeini, Mohsen Saeidi, Fatemeh Fotouhi, Mahdieh Mondanizdeh, Sadegh Shirian, Alireza Mohebi, Ali Gorji, Amir Ghaemi
The use of DNA vaccines has become an attractive approach for generating antigen-specific cytotoxic CD8(+) T lymphocytes (CTLs), which can mediate protective antitumor immunity. The potency of DNA vaccines encoding weakly immunogenic tumor-associated antigens (TAAs) can be improved by using an adjuvant injected together with checkpoint antibodies. In the current study, we evaluated whether the therapeutic effects of a DNA vaccine encoding human papilloma virus type 16 (HPV-16) E7 can be enhanced by combined application of an immune checkpoint blockade directed against the programmed death-1 (PD-1) pathway and secondary lymphoid tissue chemokine (SLC) also known as CCL21 adjuvant, in a mouse cervical cancer model...
October 3, 2016: Archives of Virology
Behzad S Khorashad, Zahra Aghili, Baudewijntje P C Kreukels, Mehran Hiradfar, Ghasem M Roshan, Mozhgan Afkhamizadeh, Mohammad Reza Abbaszadegan, Nosrat Ghaemi, Behnaz Khazai, Peggy Cohen Kettenis
INTRODUCTION: Few studies exist on the psychosexual outcome of homogeneous groups of individuals with 5α-reductase deficiency type 2 (5α-RD-2) and the relation between gender changes and parental hostile and benevolent sexism, which are two components of ambivalent sexism that assume a stereotypical approach toward women in an overtly negative way or a chivalrous, seemingly positive way. AIM: To report on the psychosexual outcome of individuals with 5α-RD-2 and to investigate its relation to the level of parental sexism in a relatively large sample of Iranians with 5α-RD-2...
September 29, 2016: Journal of Sexual Medicine
Esmail Abdollahzadeh, Seyed Mahdi Ojagh, Hedayat Hosseini, Ezzat Allah Ghaemi, Gholamreza Irajian, Masoud Naghizadeh Heidarlo
Fourteen Listeria monocytogenes isolates previously collected from seafood (n = 7) and human patients (n = 7) were studied for their antimicrobial susceptibility against eight common antimicrobials (ampicillin, penicillin, gentamicin, streptomycin, tetracycline, trimethoprim-sulfamethoxazole, chloramphenicol, and cefotaxime). A high resistance level to ampicillin, cefotaxime (100%), and pencillin (57% in seafood isolates and 71.4% in clinical isolates) was observed in this study. However, all of the isolates were susceptible to trimethoprim-sulfamethoxazole, chloramphenicol, and tetracycline...
September 10, 2016: Microbial Pathogenesis
P A Vöhringer, S A Barroilhet, K Alvear, S Medina, C Espinosa, K Alexandrovich, P Riumallo, F Leiva, M E Hurtado, J Cabrera, M Sullivan, N Holtzman, S N Ghaemi
OBJECTIVE: The differential diagnosis of bipolar illness vs. borderline personality is controversial. Both conditions manifest impulsive behavior, unstable interpersonal relationships, and mood symptoms. This study examines whether and which mood clinical features can differentiate between both conditions. METHOD: A total of 260 patients (mean ± standard deviation age 41 ± 13 years, 68% female) attending to a mood clinic were examined for diagnosis of bipolar illness and borderline personality disorder using SCID-I, SCID-II, and clinical mood criteria extracted from Mood Disorder Questionnaire (MDQ)...
September 9, 2016: Acta Psychiatrica Scandinavica
Bahman Delalat, Darling M Rojas-Canales, Soraya Rasi Ghaemi, Michaela Waibel, Frances J Harding, Daniella Penko, Christopher J Drogemuller, Thomas Loudovaris, Patrick T H Coates, Nicolas H Voelcker
Pancreatic islet transplantation has become a recognized therapy for insulin-dependent diabetes mellitus. During isolation from pancreatic tissue, the islet microenvironment is disrupted. The extracellular matrix (ECM) within this space not only provides structural support, but also actively signals to regulate islet survival and function. In addition, the ECM is responsible for growth factor presentation and sequestration. By designing biomaterials that recapture elements of the native islet environment, losses in islet function and number can potentially be reduced...
August 10, 2016: Microarrays
Mostafa Rezvani-Eivari, Amirhassan Amiri, Mehdi Baghayeri, Ferial Ghaemi
The application of magnetized graphene (G) layers synthesized on the carbon nanofibers (CNFs) (m-G/CNF) was investigated as novel adsorbent for the magnetic solid-phase extraction (MSPE) of polycyclic aromatic hydrocarbons (PAHs) in water samples followed by gas chromatography-flame ionization detector (GC-FID). Six important parameters, affecting the extraction efficiency of PAHs, including: amount of adsorbent, adsorption and desorption times, type and volume of the eluent solvent and salt content of the sample were evaluated...
September 23, 2016: Journal of Chromatography. A
Behrooz Soltani, Narges Bodaghabadi, Gita Mahpour, Nasser Ghaemi, Majid Sadeghizadeh
OBJECTIVES: To investigated the potential of a novel dendrosomal nanoformulation of curcumin (DNC) in blocking radiation-induced changes in irradiated human umbilical vein endothelial cells (HUVECs), and their adhesion to human THP-1 monocytoid cells. RESULTS: Co(60) gamma rays reduced viability, raised the expression of adhesion molecules, ICAM-1, VCAM-1 and E-selectin (mRNA and protein), augmented the adhesion of THP-1 cells to HUVECs, activated NF-κB binding, increased the release of pro-inflammatory cytokines (IL-6, IL-8 and MCP-1) and induced oxidative damage (reduced glutathione declined, while 8-OHdG and TBARS increased)...
August 24, 2016: Biotechnology Letters
Zhaleh Ghaemi, Irisbel Guzman, Jung-Un Julia Baek, Martin Gruebele, Zaida Luthey-Schulten
Protein-RNA complexes are increasingly important in our understanding of cell signaling, metabolism, and transcription. Electrostatic interactions play dominant role in stabilizing such complexes. Using conventional computational approaches, very long simulations of both bound and unbound states are required to obtain accurate estimates of complex dissociation constants (Kd). Here, we derive a simple formula that offers an alternative approach based on the theory of fluctuations. Our method extracts a strong correlate to experimental Kd values using short molecular dynamics simulations of the bound complex only...
September 13, 2016: Journal of Chemical Theory and Computation
Roya Kelishadi, Bahareh Lajevardi, Maryam Bahreynian, Vahid Omid-Ghaemi, Mahsa Movahedian
OBJECTIVE: Snacks play an important role in child health and nutritional status. Schools are considered as the preferred place to encourage healthy eating among children. The aim of this study was to evaluate the effect of buffet school-based intervention on acceptance and satisfaction of parents and students in Iran. MATERIALS AND METHODS: Primary school students (n = 1120, 68.83% girls) from first to third grade, with one of their parents, participated in this prospective field trial study conducted in Isfahan, Iran...
2016: Journal of Education and Health Promotion
Ali Ghassemi, Abdollah Banihashem, Nosrate Ghaemi, Saghi Elmi, Reza Erfani Sayyar, Sam Elmi, Habibollah Esmaeili
BACKGROUND: Acute lymphoblastic leukemia (ALL) and non-Hodgkin's lymphoma (NHL) are the most common malignancies in children and adolescents. Therapies such as corticosteroids, cytotoxic and radiotherapy will have harmful effect on bone mineral density (BMD) which can lead to increased possibility of osteoporosis and pathological fractures. SUBJECTS AND METHODS: This 3-year cross-sectional study was performed in 50 children with ALL (n=25) and NHL (n=25) at Dr. Sheikh Children's Hospital in Mashhad...
July 1, 2016: International Journal of Hematology-oncology and Stem Cell Research
Behrooz Soltani, Nasser Ghaemi, Majid Sadeghizadeh, Farhood Najafi
Protection against ionizing radiation (IR) and sensitization of cancer cells to IR are apparently contrasting phenomena. However, curcumin takes on these contrasting roles leading to either protection or enhanced apoptosis in different irradiated cells. Here we studied whether pretreatment with free curcumin or a novel dendrosomal nanoformulation of curcumin (DNC) could exert protective/sensitizing effects on irradiated THP-1 leukemia cells. We employed assays including MTT viability, clonogenic survival, DNA fragmentation, PI/Annexin V flow cytometry, antioxidant system (ROS, TBARS for lipid peroxidation, 8-OHdG and γH2AX for DNA damage, glutathione, CAT and GPx activity, enzymes gene expression), ELISA (NF-κB and Nrf2 binding, TNF-α release), caspase assay, siRNA silencing of caspase-3, and western blotting to illustrate the observed protective role of curcumin in comparison with the opposite sensitizing role of its nanoformulation at a similar 10 μM concentration...
July 29, 2016: Cell Biology and Toxicology
Behrooz Soltani, Nasser Ghaemi, Majid Sadeghizadeh, Farhood Najafi
Exposure to ionizing radiation (IR) could be detrimental to health. Oxidative stress, DNA damage, and inflammation are implicated in radiation damage. Curcumin, a natural polyphenol, has remarkable antioxidant, anti-inflammation and anticarcinogenic properties and is reported to protect cells and organisms against gamma-rays. We have recently enhanced solubility of curcumin via a novel dendrosomal nanoformulation (DNC). The objective of this study was to assess the potential efficacy of this nanoformulation in protecting human peripheral blood mononuclear cells (PBMC) against gamma-radiation...
September 25, 2016: Chemico-biological Interactions
Soodeh Razeghi Jahromi, Amir Ghaemi, Akram Alizadeh, Fatemeh Sabetghadam, Hedieh Moradi Tabriz, Mansoureh Togha
Several religions recommend periods of fasting. One of the most frequently asked questions of MS patients before the holy month of Ramadan is weather fasting might have an unfavorable effect on their disease course. This debate became more challenging after the publication of experimental studies suggesting that calorie restriction prior to disease induction attenuates disease severity. We conducted this study to assess early and late effects of fasting on the animal model of MS, known as autoimmune encephalomyelitis...
June 2016: Iranian Journal of Allergy, Asthma, and Immunology
Martha Ghahraman, Mohammad Reza Abbaszadegan, Rahim Vakili, Sousan Hosseini, Fatemeh Fardi Golyan, Nosrat Ghaemi, Mohammad Mahdi Forghanifard
AIMS: Wolfram syndrome is a rare neurodegenerative disorder with an autosomal recessive pattern of inheritance characterized by various clinical manifestations. The related gene, WFS1, encodes a transmembrane glycoprotein, named wolframin. Genetic analyses demonstrated that mutations in this gene are associated with WS type 1. Our aim in this study was to sequence WFS1 coding region in Iranian Wolfram syndrome pedigrees. METHODS: Genomic DNA was extracted from peripheral blood of 12 WS patients and their healthy parents...
July 13, 2016: Acta Diabetologica
Marjan Hassanzadeh, Mousa Ghaemy, Shamseddin Ahmadi
Chitosan-based molecular imprinted polymer (CS-MIP) nanogel is prepared in the presence of morphine template, fully characterized and used as a new vehicle to extend duration of morphine analgesic effect in Naval Medical Research Institute mice. The CS-MIP nanogel with ≈25 nm size range exhibits 98% loading efficiency, and in vitro release studies show an initial burst followed by an extended slow release of morphine. In order to study the feasibility of CS-MIP nanogel as morphine carrier, 20 mice are divided into two groups randomly and received subcutaneous injection of morphine-loaded CS-MIP and morphine (10 mg kg(-1) ) dissolved in physiologic saline...
July 14, 2016: Macromolecular Bioscience
Georgios D Kotzalidis, Chiara Rapinesi, Valeria Savoja, Ilaria Cuomo, Alessio Simonetti, Elisa Ambrosi, Isabella Panaccione, Silvia Gubbini, Pietro De Rossi, Lavinia De Chiara, Delfina Janiri, Gabriele Sani, Alexia E Koukopoulos, Giovanni Manfredi, Flavia Napoletano, Matteo Caloro, Lucia Pancheri, Antonella Puzella, Gemma Callovini, Gloria Angeletti, Antonio Del Casale
BACKGROUND: Athanasios Koukopoulos proposed the primacy of mania hypothesis (PoM) in a 2006 book chapter and later, in two peer-reviewed papers with Nassir Ghaemi and other collaborators. This hypothesis supports that in bipolar disorder, mania leads to depression, while depression does not lead to mania. OBJECTIVE: To identify evidence in literature that supports or falsifies this hypothesis. METHOD: We searched the medical literature (PubMed, Embase, PsycINFO, and the Cochrane Library) for peer-reviewed papers on the primacy of mania, the default mode function of the brain in normal people and in bipolar disorder patients, and on illusion superiority until 6 June, 2016...
July 8, 2016: Current Neuropharmacology
Zhaleh Ghaemi, Domenico Alberga, Paolo Carloni, Alessandro Laio, Gianluca Lattanzi
The ability of a drug to cross the intestine-blood barrier is a key quantity for drug design and employment and is normally quantified by the permeability coefficient P, often evaluated in the so-called Caco-2 assay. This assay is based on measuring the initial growth rate of the concentration of the drug beyond the cellular barrier but not its steady-state flux through the membrane. This might lead to confusion since, in the case of lipophilic drugs, the initial slope is strongly affected by the retention of the drug in the membrane...
August 9, 2016: Journal of Chemical Theory and Computation
Javad Hami, Saeed Vafaei-Nezhad, Ghasem Ivar, Akram Sadeghi, Kazem Ghaemi, Mostafa Mostafavizadeh, Mehran Hosseini
There is sufficient evidence that diabetes during pregnancy is associated with a higher risk of neurodevelopmental anomalies including learning deficits, behavioral problems and motor dysfunctions in the offspring. Synaptophysin (SYP) is an integral membrane protein of synaptic vesicles and is considered as a marker for synaptogenesis and synaptic density. This study aimed to examine the effects of maternal diabetes in pregnancy on the expression and localization of SYP in the developing rat cerebellum. Wistar female rats were maintained diabetic from a week before pregnancy through parturition and male offspring was euthanized at postnatal day (P) 0, 7, and 14...
July 7, 2016: Metabolic Brain Disease
S Nassir Ghaemi, Paul A Vohringer
BACKGROUND: Athanasios Koukopoulos provided a radical model for understanding depressive and manic conditions. OBJECTIVE: To review, explain, and analyze Koukopoulos' concept of the primacy of mania, with special attention to the role of antidepressants. METHOD: A conceptual review of Koukopoulos' writings and lectures on this topic is given. RESULTS: Koukopoulos held that depressive states are caused by manic states; the former do not occur without the latter...
June 21, 2016: Current Neuropharmacology
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