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Nima Rezaei

Jamal Mohammadi Ayenehdeh, Bahareh Niknam, Seyed Mahmoud Hashemi, Hossein Rahavi, Nima Rezaei, Masoud Soleimani, Nader Tajik
BACKGROUND: Islet transplantation could be an ideal alternative treatment to insulin therapy for type 1 diabetes Mellitus (T1DM). This clinical and experimental field requires a model that covers problems such as requiring a large number of functional and viable islets, the optimal transplantation site, and the prevention of islet dispersion. Hence, the methods of choice for isolation of functional islets and transplantation are crucial. METHODS: The present study has introduced an experimental model that overcomes some critical issues in islet transplantation, including in situ pancreas perfusion by digestive enzymes through common bile duct...
October 18, 2016: Iranian Biomedical Journal
Tayyeb Bahrami, Samaneh Soltani, Kasra Moazzami, Mir Saeed Yekaninejad, Arash Salmaninejad, Ehsan Soltaninejad, Vahid Ziaee, Nima Rezaei
Juvenile idiopathic arthritis (JIA), the most common cause of chronic arthritis in children, is a complex immune-mediated disease with considerable long-term morbidity and mortality. According to previous studies, PTPN22 gene has been associated with JIA in several populations. In the present study, we attempted to determine the association of PTPN22 single nucleotide polymorphisms (SNPs) with susceptibility to JIA in Iranian population. Using the Real-time PCR allelic discrimination method, samples consisting of 55 unrelated patients and 93 healthy controls were genotyped...
October 12, 2016: Fetal and Pediatric Pathology
Medhi Alizadeh, Leila Ghasemi Hashtroodi, Zahra Chavoshzadeh, Nima Rezaei
Asthma is one of the most common diseases in childhood, which has been increased during last decade because of epidemiological pattern changes with climate and industrialization of the communities. There are some controversies on the relationship between air pollution and asthma. Tehran, as the capital of Iran, is one of the densest populations and is one of the most polluted cities in the world. This study was performed to search effects of various air pollutants using GIS-based modeling on the rate of hospitalizations due to asthma in children in Tehran...
August 2016: Acta Medica Iranica
Reza Yazdani, Mazdak Ganjalikhani-Hakemi, Mohammad Esmaeili, Hassan Abolhassani, Shahram Vaeli, Abbas Rezaei, Zohre Sharifi, Gholamreza Azizi, Nima Rezaei, Asghar Aghamohammadi
Common variable immunodeficiency (CVID) is a heterogeneous group of primary immunodeficiency characterized by recurrent infectious. We evaluated whether defective PI3K/Akt/FoxO pathway could influence B-cell fate. Determination of B-cell subsets in CVD patients and healthy donors (HDs) were performed using flow cytometry. We evaluated mRNA level and protein expression of PI3K, Akt and FoxO molecules using real-time PCR and flow cytometry, respectively. Moreover, phosphorylated Akt (p-Akt) expression in B-cells has also been measured by flowcytometry...
September 21, 2016: Clinical Immunology: the Official Journal of the Clinical Immunology Society
Mohammad Reza Zamani, Saeed Aslani, Arash Salmaninejad, Mohammad Reza Javan, Nima Rezaei
Programmed death 1 (PD-1) and its ligands, namely PD-L1 and PD-L2, are one of the key factors responsible for inhibitory T cell signaling, mediating the mechanisms of tolerance and providing immune homeostasis. Mounting evidence demonstrates that impaired PD-1:PD-L function plays an important role in a variety of autoimmune diseases such as Type 1 diabetes (T1D), encephalomyelitis, inflammatory bowel diseases (IBD), Rheumatoid Arthritis (RA), autoimmune hepatitis (AIH), Behcet's disease (BD), myasthenia gravis (MG), autoimmune uveitis (AU), Sjögren's syndrome (SjS), systemic lupus erythematosus (SLE), systemic sclerosis (SSc), myocarditis, and ankylosing spondylitis (AS)...
September 15, 2016: Cellular Immunology
Mohammadreza Shaghaghi, Shohreh Shahmahmoodi, Hassan Abolhassani, Saeed Soleyman-Jahi, Leila Parvaneh, Sussan Mahmoudi, Zahra Chavoshzadeh, Reza Yazdani, Seyed Mohsen Zahraei, Mohsen Ebrahimi, Mohammad H Eslamian, Hamideh Tabatabaie, Maryam Yousefi, Yaghoob M Kandelousi, Aliasghar Oujaghlou, Nima Rezaei, Asghar Aghamohammadi
Widespread use of oral poliovirus vaccine has led to an ≈99.9% decrease in global incidence of poliomyelitis (from ≈350,000 cases in 1988 to 74 cases in 2015) and eradication of wild-type poliovirus serotypes 2 and 3. However, patients with primary immunodeficiency might shed vaccine-derived polioviruses (VDPVs) for an extended period, which could pose a major threat to polio eradication programs. Since 1995, sixteen VDPV populations have been isolated from 14 patients with immunodeficiency in Iran. For these patients, vaccine-associated paralysis, mostly in >1 extremity, was the first manifestation of primary immunodeficiency...
October 2016: Emerging Infectious Diseases
Vahid Ziaee, Marzieh Maddah, Mohammad-Hassan Moradinejad, Arezou Rezaei, Samaneh Zoghi, Maryam Sadr, Sara Harsini, Nima Rezaei
Juvenile idiopathic arthritis (JIA) is the most common chronic rheumatic disease in children. Genetics and inflammatory elements seem to act as major underlying factors in its pathogenesis. The aim of this study is to identify the associations between interleukin-6 (IL-6) gene polymorphisms and individuals' vulnerability to JIA in a group of Iranian pediatric patients. Fifty-four patients with JIA were enrolled in this investigation and compared with 139 healthy individuals. Using polymerase chain reaction with sequence-specific primers, cytokine genotyping was performed...
September 20, 2016: Clinical Rheumatology
Gholamreza Azizi, Hassan Abolhassani, Mohammad Hosein Asgardoon, Tina Alinia, Reza Yazdani, Javad Mohammadi, Nima Rezaei, Hans D Ochs, Asghar Aghamohammadi
INTRODUCTION: Common variable immunodeficiency (CVID) comprises a large heterogeneous group of patients with primary antibody deficiency. AREAS COVERED: The affected patients are characterized by increased susceptibility to infections and low levels of serum immunoglobulin. However, enteropathy, granulomatous organ infiltrates, malignancy, inflammatory and autoimmune conditions are also prevalent. The concomitance of immunodeficiency and autoimmunity appears to be paradoxical and creates difficulties in the management of autoimmune complications affecting these patients...
September 16, 2016: Expert Review of Clinical Immunology
Soroush Alipour, Samaneh Zoghi, Nastaran Khalili, Armin Hirbod-Mobarakeh, Leisha A Emens, Nima Rezaei
Epithelial ovarian cancer (EOC) is the most lethal gynecological cancer. Several approaches of active and passive immunotherapy for EOC have been studied. The aim of this systematic review was to assess the clinical efficacy of specific immunotherapy in patients with EOC. We found 4524 references in seven databases and we included ten controlled clinical trials with 2285 patients with EOC reporting five active immunotherapeutic agents and three passive immunotherapies. Meta-analysis of six studies showed that overall there was not any significant difference in overall survival and recurrence-free survival between patients undergoing specific immunotherapy and those in control group...
October 2016: Immunotherapy
Arash Salmaninejad, Mohammad Reza Zamani, Mehrnaz Pourvahedi, Zahra Golchehre, Ali Hosseini Bereshneh, Nima Rezaei
UNLABELLED: Cancer/testis antigens (CTAs) are named based on their expression pattern that is restricted in a number of normal and abnormal tissues. Tumor cells frequently express antigens whose expression is typically restricted to germ cells. Their unique expression pattern is guaranteed by precise epigenetic regulatory mechanisms. Because of their tumor-limited, high immunogenicity, and biased expression, discovery of these molecules provides unprecedented opportunities for further research and clinical development in the field of cancer diagnosis and immunotherapy...
October 2016: Immunological Investigations
Majid Mahmoodi, Saeed Soleyman-Jahi, Kazem Zendehdel, Hossein Mozdarani, Cyrus Azimi, Farideh Farzanfar, Zahra Safari, Mohammad-Ali Mohagheghi, Malihea Khaleghian, Kouros Divsalar, Esfandiar Asgari, Nima Rezaei
OBJECTIVE: Concern exists regarding the possible hazards to the personnel handling anti-neoplastic drugs. The purpose of the present study was to assess the genotoxicity induced by anti-neoplastic agents in oncology department personnel. MATERIALS AND METHODS: To do this, the frequency of chromosomal aberrations (CAs) induced in peripheral blood lymphocytes was assessed at G0 phase of the cell cycle using metaphase analysis, cytokinesis block-micronucleus (MN) assay and sister chromatid exchange (SCE) assay...
July 27, 2016: Drug and Chemical Toxicology
Gholamreza Azizi, Hassan Abolhassani, Nima Rezaei, Asghar Aghamohammadi, Mohammad Hosein Asgardoon, Javad Rahnavard, Majid Zaki Dizaji, Reza Yazdani
Immunoglobulin therapy represents a lifesaving intervention for many patients with primary immunodeficiency (PID). Antibody defects represent approximately half of the well-known PIDs requiring immunoglobulin replacement therapy. Following immunoglobulin therapy in PID patients, protection against serious upper and lower respiratory tract infections and pulmonary function improves which leads to an increase in the quality of life of these patients. Successful treatment of PID patients depends on the type of immunodeficiency, regular monitoring of the patient, co-morbidities of the patient, and the availability of the products...
July 24, 2016: Endocrine, Metabolic & Immune Disorders Drug Targets
Raheleh Assari, Yahya Aghighi, Vahid Ziaee, Maryam Sadr, Farzaneh Rahmani, Arezou Rezaei, Zeinab Sadr, Mohammad Hassan Moradinejad, Seyed Reza Raeeskarami, Nima Rezaei
AIM: Kawasaki disease (KD) is a systemic vasculitis of children associated with cardiovascular sequelae. Proinflammatory cytokines play a major role in KD pathogenesis. However, their role is both influenced and modified by regulatory T-cells. IL-1 gene cluster, IL-6 and TNF-α polymorphisms have shown significant associations with some vasculitides. Herein we investigated their role in KD. METHODS: Fifty-five patients with KD who were randomly selected from referrals to the main pediatric hospital were enrolled in this case-control study...
July 25, 2016: International Journal of Rheumatic Diseases
Seyed Hasan Tonekaboni, Narjes Jafari, Zahra Chavoshzadeh, Bibi Shahin Shamsian, Nima Rezaei
DRESS syndrome (Drug Rash with Eosinophilia and Systemic Symptoms) is a potentially life-threatening syndrome, which reflects a serious hypersensitivity reaction to drugs, presenting by generalized skin rash, fever, eosinophilia, atypical lymphocytosis, and internal organ involvement. Herein a 21-month old male infant with DRESS and Encephalopathy syndrome is presented who complicated after phenobarbital usage that persisted due to phenytoin cream usage. The case received phenobarbital after a seizure disorder presented as "status epilepticus"...
September 2015: Turkish Journal of Pediatrics
Farzaneh Rahmani, Nima Rezaei
INTRODUCTION: Recent findings about the expression of various Toll-like receptors (TLR) in keratinocytes (KCs) have offered new insights into the pathogenesis of psoriasis. When plasmacytoid dendritic cells (pDCs) are scarce in established psoriatic lesions, KCs take the responsibility to secrete IFN type 1 through TLR9 activation. Wherein RNA containing immune complexes (ICs) binds to TLR7 in pDCs, KCs become hyporesponsive in response to them. Damaged KCs, DCs, neutrophils and T-cells seem to be involved in multiple positive feedback loops in Imiquimod-induced model of psoriasis...
June 30, 2016: Expert Review of Clinical Immunology
Arezoo Shafieyoun, Sharareh Moraveji, Mohammad Bashashati, Nima Rezaei
The real pathophysiology of Crohn's disease is unknown. The higher prevalence of Crohn's disease in Caucasian and Jewish ethnicities, as well as its familial aggregation and higher concordance among monozygotic twins, suggest some roles for genes in its development, clinical progression, and outcome. Recent original studies have indicated DLG5113G/A gene polymorphism as a risk factor for Crohn's disease. Meanwhile, the results of these studies are not consistent. We performed the current meta-analysis to understand whether there is any association between DLG5 gene polymorphism and the risk of Crohn's disease...
May 2016: Acta Medica Iranica
Gholam Hossein Fallahi, Sahar Latifi, Maryam Mahmoudi, Davood Kushki, Mohammad Taghi Haghhi Ashtiani, Afsaneh Morteza, Nima Rezaei
Cystic fibrosis (CF) is an autosomal recessive disease, which affects many organs as it impairs chloride channel. This study was performed to evaluate growth status and its relationship with some laboratory indices such as Cholesterol (chol), Triglyceride (TG), albumin and total protein in children with CF referred to pediatrics center. This study was designed as a cross-sectional study in one year section. Demographic features were compared with standard percentiles curves. Chol, TG, albumin, total protein, prothrombin time, and hemoglobin were measured...
April 2016: Acta Medica Iranica
Mohammad Reza Zamani, Arash Salmaninejad, Firouzeh Akbari Asbagh, Ahmad Masoud, Nima Rezaei
INTRODUCTION: Endometriosis is a multifactorial benign gynecologic disorder, characterized by the ectopic growth of misplaced endometrial cells with complex genetic inheritance and changing of some immune based factors and also shares some autoimmune characteristics. However, it is not clear yet that how and when these immunological factors affect the initiation or progression of the disease. It has been shown that STAT4 is a predisposing gene in the development of some autoimmune diseases...
August 2016: European Journal of Obstetrics, Gynecology, and Reproductive Biology
Amene Saghazadeh, Shadi A Esfahani, Nima Rezaei
INTRODUCTION: Heterogeneity of therapeutic response to brain stimulation techniques has inspired scientists to uncover the secrets to success or failure of these projects. Genetic polymorphisms are one of the major causes of this heterogeneity. AREAS COVERED: More than twenty genetic variants within more than ten genes (e.g. BDNF, COMT, DRD2, TRPV1, 5-HT1A, 5-HHT, P2RX7, VEGF, TPH1, TPH2, ACE, APOE, GNB3, NET, NMDA receptors, and RGS4) have been investigated, among which the BDNF gene and its polymorphism, Val66Met, is the best documented variant...
September 2016: Expert Review of Neurotherapeutics
Bahram Nasr Esfahani, Fatemeh Sadat Zarkesh Esfahani, Nima Bahador, Sharareh Moghim, Tooba Radaei, Hadi Rezaei Yazdi, Hajiyeh Ghasemian Safaei, Hossein Fazeli
BACKGROUND: During the past several years, nontuberculous mycobacteria (NTM) have been reported as some of the most important agents of infection in immunocompromised patients. OBJECTIVES: The aim of this study was to evaluate the ciprofloxacin susceptibility of clinical and environmental NTM species isolated from Isfahan province, Iran, using the agar dilution method, and to perform an analysis of gyrA gene-related ciprofloxacin resistance. MATERIALS AND METHODS: A total of 41 clinical and environmental isolates of NTM were identified by conventional and multiplex PCR techniques...
March 2016: Jundishapur Journal of Microbiology
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