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Iranian Journal of Immunology: IJI

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https://www.readbyqxmd.com/read/28630387/assessment-of-t-helper-17-associated-cytokines-in-third-trimester-of-pregnancy
#1
Tahereh Poordast, Fateme Sadat Najib, Rasoul Baharlou, Atena Bijani, Shaghayegh Moradi Alamdarloo, Alieh Poordast
BACKGROUND: Preeclampsia is a common pregnancy-specific disorder associated with significant maternal and fetal morbidity and mortality worldwide. It has been proposed that the imbalance between two CD4+ T cell subtypes, regulatory T cells (Treg) and T-helper 17 cells (Th17), is involved in the pathophysiology of preeclampsia. OBJECTIVES: To determine the serum levels of IL-17, IL-21, IL-23 and TGF-β in patients with preeclampsia. METHODS: Blood samples were collected from 30 preeclampsia patients, 30 normotensive pregnant women and 30 healthy individuals with no history of malignancies or autoimmune disorders based on simple sampling...
June 2017: Iranian Journal of Immunology: IJI
https://www.readbyqxmd.com/read/28630386/low-17%C3%AE-estradiol-levels-are-better-inducers-of-regulatory-conditioned-t-cells-in-vitro
#2
Ramina Fatemi, Ebrahim Mirzadegan, Zohreh Vahedian, Amir Hassan Zarnani, Mahmood Jeddi-Tehrani, Farah Idali
BACKGROUND: 17β-estradiol (E2) has been known to modulate immune response. Recent studies indicate that E2 at pregnancy level plays a role in regulating T cell response. OBJECTIVE: To investigate the optimum dose of E2 (from 10-9 to 10-7 M) in mediating the generation of regulatory T cells (Tregs), using naive human CD4+ T cells from healthy women. METHODS: Naive peripheral T cells were purified and conditioned with soluble anti-CD28 in anti-CD3-coated plates in the presence or absence of E2...
June 2017: Iranian Journal of Immunology: IJI
https://www.readbyqxmd.com/read/28630385/low-dose-of-lenalidomide-enhances-nk-cell-activity-possible-implication-as-an-adjuvant
#3
Kiandokht Borhani, Taravat Bamdad, Tayebeh Hashempour
BACKGROUND: Lenalidomide, a synthetic immunomodulatory drug, has a wide range of features including anti-angiogenic and anti-proliferative properties. To date, researchers have shown that lenalidomide is capable of ameliorating the immune system factors and antitumor responses. Most researchers have reported that lenalidomide enhances the immune response in certain cancer patients through several pathways including the stimulation of Natural Killer cells; notwithstanding, it is still crucial to investigate the effect of lenalidomide on the activity of NK cell cytotoxicity both in vitro and in vivo...
June 2017: Iranian Journal of Immunology: IJI
https://www.readbyqxmd.com/read/28630384/modulation-of-cd4-t-cell-subsets-by-euphorbia-microciadia-and-euphorbia-osyridea-plant-extracts
#4
Haideh Namdari, Maryam Izad, Zahra Amirghofran
BACKGROUND: Euphorbia plants are traditionally used in folk medicine for infections, inflammation, and cancer. OBJECTIVES: To investigate the effects of the butanolic extracts of Euphorbia micorociadia and Euphorbia osyridea on specific transcription factors and cytokines expression of T cell subsets. METHODS: Activated mouse splenocytes were cultured in the presence of non-cytotoxic concentrations of the extracts. Cells were evaluated for the gene expressions of T cell transcription factors and cytokines of T helper (Th)1 [T-bet and interferon gamma (IFNγ)], Th17 [retinoic acid receptor related orphan receptor (RORγt) and interleukin (IL)-17], and T regulatory (Treg) cells [forkhead box P3(Foxp3), IL-10, and Transforming growth factor (TGF)-β] using real-time PCR...
June 2017: Iranian Journal of Immunology: IJI
https://www.readbyqxmd.com/read/28630383/balb-c-mice-immunity-to-hydatidosis-induced-by-in-vitro-reared-echinococcus-granulosus-adult-worm-antigens
#5
Hamid Reza Rahimi, Tahereh Mohammadzadeh, Seyed Mahmoud Sadjjadi, Bahador Sarkari, Farzaneh Zahabiun
BACKGROUND: Echinococcosis is a zoonotic parasitic disease caused by the larval stage of Echinococcus granulosus. Several native and recombinant antigens, derived from different stages of E. granulosus life cycle, have been used for vaccine trials. In vitro reared adult worms are good candidates for vaccination as they do not produce fertile egg/s and do not have any risk of contamination for researchers. OBJECTIVE: To evaluate different antigens derived from in vitro reared E...
June 2017: Iranian Journal of Immunology: IJI
https://www.readbyqxmd.com/read/28630382/immunodiagnostic-value-of-echinococcus-granulosus-recombinant-b8-1-subunit-of-antigen-b
#6
Amir Savardashtaki, Bahador Sarkari, Farzane Arianfar, Zohreh Mostafavi-Pour
BACKGROUND: Cystic echinococcosis (CE), as a chronic parasitic disease, is a major health problem in many countries. The performance of the currently available serodiagnostic tests for the diagnosis of CE is unsatisfactory. OBJECTIVE: The current study aimed at sub-cloning a gene, encoding the B8/1 subunit of antigen B (AgB) from Echinococcus granulosus, using gene optimization for the immunodiagnosis of human CE. METHODS: The coding sequence for AgB8/1 subunit of Echinococcus granulosus was selected from GenBank and was gene-optimized...
June 2017: Iranian Journal of Immunology: IJI
https://www.readbyqxmd.com/read/28630381/antibody-response-to-human-extracellular-her2-subdomain-proteins-in-mice
#7
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/28630380/the-immunological-basis-in-the-pathogenesis-of-gout
#8
Junwei Chen, Meng Wu, Jinhua Yang, Jing Wang, Yue Qiao, Xiaofeng Li
Gout is an inflammatory arthritis characterized by red, tender, hot and tumid joints. The development cause and process of gout is very sophisticated; recent studies, notwithstanding, have offered novel perspectives on the mechanism from an immunological viewpoint. The pathological process of gout involves both innate and adaptive immune responses. Other studies have demonstrated that gout development is associated with the presence of monosodium urate (MSU) crystals which serve as a "danger signal" affecting certain immune cells, cytokine production, and effector molecule expression, triggering both types of immune responses...
June 2017: Iranian Journal of Immunology: IJI
https://www.readbyqxmd.com/read/28341821/salicylate-food-intolerance-and-aspirin-hypersensitivity-in-nasal-polyposis
#9
MULTICENTER STUDY
Hossein Esmaeilzedeh, Elmira Esmaeilzadeh, Mohammad Faramarzi, Mohammad Nabavi, Mohammad Farhadi
BACKGROUND: A clear association between allergy and nasal polyposis (NP) is not determined and the role of food intolerance in patients with NP is not investigated by oral food challenge (OFC). OBJECTIVE: To investigate the relation of salicylate food intolerance and atopy in patients with NP according to recurrence and aspirin sensitivity. METHODS: A cross sectional multicenter study was done in two tertiary centers for allergy in Iran. Adult patients with NP were selected for the study that had been referred to allergy clinics...
March 2017: Iranian Journal of Immunology: IJI
https://www.readbyqxmd.com/read/28341820/il-23-gene-and-protein-expression-in-childhood-asthma
#10
Soheila Alyasin, Reza Amin, Ali Fazel, Mohammad Hossein Karimi, Seyed Hesamedin Nabavizadeh, Hossein Esmaeilzadeh, Maryam Babaei
BACKGROUND: Asthma is the chronic inflammation of airways characterized by eosinophilic infiltration, mucus overproduction, airway hyper-responsiveness and airway remodeling. These changes are induced mostly by cytokines which are produced by T helper (Th) 2 cells. Recently, the role of interleukin-23 (IL-23) in the pathogenesis of adult allergic asthma has been studied. OBJECTIVE: To explore IL-23 serum levels and its expression in persistent asthma compared with healthy children younger than five years old...
March 2017: Iranian Journal of Immunology: IJI
https://www.readbyqxmd.com/read/28341819/interleukin-23-receptor-gene-variants-in-acute-lymphoblastic-leukemia-and-their-relation-to-prognostic-factors
#11
Mohammadrasul Zareinejad, Afshin Samiei, Behnaz Valibeigi, Tahereh Gholami, Soheila Zareifar, Zahra Amirghofran
BACKGROUND: Interleukin (IL)-23 has an important role in tumor immune regulation. OBJECTIVE: To investigate the possible association of interleukin-23 receptor (IL23R) gene variants rs1884444, rs10889677 and rs11209026 with development of acute lymphoblastic leukemia (ALL). METHODS: The IL23R variants were studied in 164 ALL patients and compared to 175 healthy controls by polymerase chain reaction-restriction fragment length polymorphism...
March 2017: Iranian Journal of Immunology: IJI
https://www.readbyqxmd.com/read/28341818/clinical-relevance-of-cytokines-gene-polymorphisms-and-protein-levels-in-gingival-cervical-fluid-from-chronic-periodontitis-patients
#12
Vamsi Lavu, Vettriselvi Venkatesan, Priyanka Venugopal, Bhaskar Venkata Kameswara Subrahmanya Lakkakula, Solomon Franklin Durairaj Paul, Kumarasamy Peria, Suresh Ranga Rao
BACKGROUND: Cytokines are suggested to play a role in periodontitis. OBJECTIVES: To determine and compare the levels of Interleukin-1 beta (IL-1β) and Tumor necrosis factor alpha (TNF-α) in gingival crevicular fluid (GCF) samples amongst healthy individuals and those with chronic periodontitis. Further to compare the GCF cytokine levels in three genotype classes defined by the respective gene polymorphisms. METHODS: The study was conducted on 41 chronic periodontitis patients and 40 healthy volunteers...
March 2017: Iranian Journal of Immunology: IJI
https://www.readbyqxmd.com/read/28341817/impairment-of-macrophage-presenting-ability-and-viability-by-echinococcus-granulosus-antigens
#13
Naceur Mejri, Imed Eddine Hassen, Jenny Knapp, Mouldi Saidi
BACKGROUND: Despite advances toward an improved understanding of the evasive mechanisms leading to the establishment of cystic echinococcosis, the discovery of specific immunosuppressive mechanisms and related factors are of great interest in the development of an immunotherapeutic approach. OBJECTIVE: To elucidate immunosuppressive effects of bioactive factors contained in chromatographic fractions from hydatid cystic fluid (HCF) of Echinococcus granulosus. METHODS: Hydatid cystic fluid was fractionated by reverse phase chromatography...
March 2017: Iranian Journal of Immunology: IJI
https://www.readbyqxmd.com/read/28341816/increased-expression-of-toll-like-receptors-2-and-4-in-renal-transplant-recipients-that-develop-allograft-dysfunction-a-cohort-study
#14
Morteza Hosseinzadeh, Mohsen Nafar, Pedram Ahmadpoor, Farshid Noorbakhsh, Mir Saeed Yekaninejad, Mohammad Hossein Niknam, Aliakbar Amirzargar
BACKGROUND: The incidence of ischemic reperfusion injury (IRI) in early phase post-transplantation and activation of toll-like receptor (TLR-2) and TLR-4 remarkably impact the outcome of a renal allograft. OBJECTIVE: To investigate whether the expression of TLRs in peripheral blood mononuclear cells (PBMCs) can predict the clinical outcome of kidney allografts. METHODS: We obtained blood samples from 52 renal transplant patients before transplant, and 2, 90, and 180 days post-transplantation in order to analyze the surface expressions of TLR-2 and TLR-4 on peripheral blood monocytes...
March 2017: Iranian Journal of Immunology: IJI
https://www.readbyqxmd.com/read/28341815/tgf-%C3%AE-1-transduced-mesenchymal-stem-cells-have-profound-modulatory-effects-on-dcs-and-t-cells
#15
Saeed Daneshmandi, Mohammad Hossein Karimi, Ali Akbar Pourfathollah
BACKGROUND: Mesenchymal stem cells (MSCs) and transforming growth factor-β1 (TGF-β1) molecules are well known for their immunomodulatory properties and their function in tissue regeneration and remodeling. OBJECTIVES: To evaluate the interaction of TGF-β1 engineered MSCs with T cells and dendritic cells (DCs) and their modulatory effect on the immune response. METHODS: MSCs and DCs were generated from bone marrow of Balb/c mice and T cells were generated from mice lymph nodes...
March 2017: Iranian Journal of Immunology: IJI
https://www.readbyqxmd.com/read/28341814/the-effect-of-monophosphoryl-lipid-a-on-maturation-of-dcs-from-patients-with-acute-myeloid-leukaemia
#16
COMPARATIVE STUDY
Noha Mohamed El Husseiny, Walaa Abd El Fattah Attya Elkak, Mervat Said El Ansary, Engy Mohamed Abd El Aziz El Khateeb, Mervat Wagih Mattar, Doaa Mohamed El Demerdash
BACKGROUND: Generation of monocyte-derived dendritic cells (MDDC) is induced in the presence of GM-CSF and IL-4, and a maturation stimulus is added to the monocyte culture to obtain mature Dendritic Cells (DCs) suitable for therapy. TNF-α is the most common cytokine used for activating DCs and generating mature MDDC either alone or in combination with other cytokines. OBJECTIVE: To compare effects of traditional cytokine cocktail (TNF-α + IL-1β) versus TLR4-agonist monophosphoryl lipid A on the viability, phenotype, cytokine profile and functionality of MDDC...
March 2017: Iranian Journal of Immunology: IJI
https://www.readbyqxmd.com/read/27999243/serum-levels-of-il-10-and-il-22-cytokines-in-patients-with-psoriasis
#17
Mohammad Reza Sobhan, Mahmood Farshchian, Ali Hoseinzadeh, Hamid Reza Ghasemibasir, Ghasem Solgi
BACKGROUND: As a chronic inflammatory condition, psoriasis results from an interaction between genetic and immunologic factors in a predisposing environment. In spite of compelling evidence for the role of T cells and cytokines in psoriasis, interleukin (IL)-10 and IL-22 have not been sufficiently investigated. OBJECTIVE: To assess the serum levels of IL-10 and IL-22 in patients with psoriasis compared to healthy controls. METHODS: A total of 28 patients with psoriasis were compared with 28 age and sex-matched healthy subjects...
December 2016: Iranian Journal of Immunology: IJI
https://www.readbyqxmd.com/read/27999242/tumor-necrosis-factor-%C3%AE-and-interleukin-1-%C3%AE-polymorphisms-in-pre-eclampsia
#18
Zeinab Tavakkol Afshari, Hamid Reza Rahimi, Seyed Morteza Ehteshamfar, Rashin Ganjali, Fatemeh Tara, Abbas Shapouri Moghadam
BACKGROUND: Pre-eclampsia is the most common critical condition during pregnancy. Plasma concentrations of tumor necrosis factor-alpha (TNF-α) and interleukin-1-beta (IL-1β) increase in pregnant women with pre-eclampsia, compared to normal pregnant women. OBJECTIVE: To investigate the polymorphisms of IL-1β (C+3954T), TNF-α (G-308A), and (G-238A) in pre-eclemptic women in northeastern Iran. METHODS: This study was conducted on 153 pre-eclamptic women (case group) and 150 healthy pregnant women (control group), admitted to Ghaem and Imam Reza hospitals of Mashhad, Iran...
December 2016: Iranian Journal of Immunology: IJI
https://www.readbyqxmd.com/read/27999241/the-expression-of-t-helper-associated-transcription-factors-and-cytokine-genes-in-pre-eclampsia
#19
Behrouz Gharesi-Fard, Fatemeh Mobasher-Nejad, Fatemeh Nasri
BACKGROUND: Pre-eclampsia (PE) is known as a main factor contributing to fetomaternal mortality, which might affect 2-8% of all pregnancies after the twentieth week of gestation. The balance of T helper subsets is essential to sustain a normal pregnancy and preventing fetomaternal complications. OBJECTIVE: To investigate differences in the levels of transcription factors and cytokine gene expression of Th1/Th2/Th17/Treg subsets within decidual and chorionic layers of placentas from 15 PE-afflicted and 15 healthy Iranian women in their third trimester of pregnancy...
December 2016: Iranian Journal of Immunology: IJI
https://www.readbyqxmd.com/read/27999240/immunogenicity-of-a-dna-vaccine-encoding-ag85a-tb10-4-antigens-from-mycobacterium-tuberculosis
#20
Zahra Meshkat, Amir Teimourpour, Samira Rashidian, Mohsen Arzanlou, Roghayeh Teimourpour
BACKGROUND: Tuberculosis is a life threatening disease that is partially prevented by BCG vaccine. Development of more effective vaccines is an urgent priority in TB control. Ag85a and Tb10.4 are the members of culture filter protein (CFP) of M. tuberculosis that have high immunogenicity. OBJECTIVE: To analyze the immunogenicity of Ag85a-Tb10.4 DNA vaccine by enzyme-linked immunosorbent assay (ELISA). METHODS: In this study a previously described plasmid DNA vaccine encoding Ag85a-Tb10...
December 2016: Iranian Journal of Immunology: IJI
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