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Iranian Biomedical Journal

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https://www.readbyqxmd.com/read/29409311/effect-of-multiple-intraperitoneal-injections-of-human-bone-marrow-mesenchymal-stem-cells-on-cuprizone-model-of-multiple-sclerosis
#1
Mohsen Marzban, Kazem Mousavizadeh, Masoomeh Bakhshayesh, Nasim Vousooghi, Gelareh Vakilzadeh, Anahita Torkaman-Boutorabi
Background: Bone marrow mesenchymal stem cells (BM-MSCs) elicit neuroprotective effects, and their repair ability has been investigated in different experimental models. We aimed to investigate the effect of multiple i.p. BM-MSCs injections in the cuprizone model of multiple sclerosis in mice. Methods: Adult male C57BL/6 mice (n = 40) were fed a regular diet or a diet containing cuprizone (0.2% w/w) for 6 six weeks. Bone marrow samples were taken from patients with spinal cord injury...
February 7, 2018: Iranian Biomedical Journal
https://www.readbyqxmd.com/read/29397044/scientists-and-science-advocates-professor-david-w-denning-an-extraordinary-high-achiever-in-clinical-and-translational-science
#2
Vahid Khalaj
No abstract text is available yet for this article.
February 4, 2018: Iranian Biomedical Journal
https://www.readbyqxmd.com/read/29397043/study-of-tnp1-tekt1-and-plzf-genes-expression-during-an-in-vitro-three-dimensional-neonatal-male-mice-testis-culture
#3
Ahmad Alrahel, Mansoureh Movahedin, Zohre Mazaheri, Fardin Amidi
Background: In vitro spermatogenesis has a long research history beginning in the early 20th century. This organ culture method was therefore abandoned, and alternative cell culture methods were chosen by many researchers. Here, whether Tnp1, Tekt1, and Plzf, which play a crucial role in spermatogenesis, can be expressed during testis organ culture was assessed. Methods: Testes of 10 mouse pups were first removed, and the testis tissue was then separated into smaller pieces of seminiferous tubules...
February 4, 2018: Iranian Biomedical Journal
https://www.readbyqxmd.com/read/29380589/scientists-and-science-advocates-dr-younes-karimi-1929-2008-the-prominent-iranian-physician-in-the-field-of-plague-and-other-infectious-diseases
#4
Sepideh Mahdavi, Alzira MP de Almeida, Ehsan Mostafavi
No abstract text is available yet for this article.
January 30, 2018: Iranian Biomedical Journal
https://www.readbyqxmd.com/read/29374085/comparing-three-data-mining-algorithms-for-identifying-the-associated-risk-factors-of-type-2-diabetes
#5
Habibollah Esmaeily, Maryam Tayefi, Majid Ghayour-Mobarhan, Alireza Amirabadizadeh
Background: Increasing the prevalence of type 2 diabetes has given rise to a global health burden and a concern among health service providers and health administrators. The current study aimed at developing and comparing some statistical models to identify the risk factors associated with type 2 diabetes. In this light, artificial neural network (ANN), support vector machines (SVMs), and multiple logistic regression (MLR) models were applied, using demographic, anthropometric, and biochemical characteristics, on a sample of 9528 individuals from Mashhad City in Iran...
January 27, 2018: Iranian Biomedical Journal
https://www.readbyqxmd.com/read/29331014/biochemical-characterization-of-recombinant-thermostable-cohnella-sp-a01-%C3%AE-glucanase
#6
Meysam Rezaie, Saeed Aminzadeh, Farid Heidari, Masoud Mashhadi Akbar Boojar, Ali Asghar Karkhane
Background: Typically, non-cellulytic glucanase, including fungi and yeast cell wall hydrolyzing enzymes, are release by some symbiotic fungi and plants during the mycoparasitic fungi attack on plants. These enzymes are known as the defense mechanisms of plants. This study intends to investigate the biochemical properties of β-1,6-glucanase (bg16M) from native thermophilic bacteria, Cohnella A01. Methods: bg16M gene was cloned and expressed in E. coli BL21 (DE3)...
January 13, 2018: Iranian Biomedical Journal
https://www.readbyqxmd.com/read/29253922/prevalence-and-genotyping-of-torque-teno-virus-in-hbv-hiv-and-chronic-hbv-patients-in-iran
#7
Zahra Najafimemar, Alijan Tabarraei, Gholamreza Talei, Abdolvahab Moradi
Background: Torque teno virus (TTV) was the first human Anelloviridae detected in a Japanese patient with an unknown type of hepatitis in 1997. TTV is by far the first known single-stranded circular DNA virus infecting human. In spite of its widespread nature in human population, its pathogenesis is still unclear. In addition, information regarding TTV infection in Iranian population is limited. Therefore, we attempted to determine the prevalence and genotype of TTV in three groups: HIV/HBV patients, chronic hepatitis B patients, and healthy individuals...
December 19, 2017: Iranian Biomedical Journal
https://www.readbyqxmd.com/read/29115104/molecular-basis-of-%C3%AE-thalassemia-in-iran
#8
Atefeh Valaei, Morteza Karimipoor, Alireza Kordafshari, Sirous Zeinali
Alpha-thalassemia (α-thal) is probably the most prevalent monogenic condition in the world. Deletions are the most common type of mutations in α-thal, followed by point mutations and small insertion/deletion. In the context of national screening program for prevention of thalassemia and hemoglobinopathies in Iran, α-thal carriers have come to more attention. Therefore, the frequency and distribution of α-globin mutations in various regions of the country have been studied in recent years. A comprehensive search was performed in PubMed, Scopus, and national databases for finding reports on mutation detection in α-thal carriers and HbH disease with Iranian origin...
January 1, 2018: Iranian Biomedical Journal
https://www.readbyqxmd.com/read/29105482/scientists-and-science-advocates-dr-sabar-mirza-farman-farmaian-benefactor-and-former-director-of-pasteur-institute-of-iran
#9
Narges Shahbazi, Ehsan Mostafavi
No abstract text is available yet for this article.
January 1, 2018: Iranian Biomedical Journal
https://www.readbyqxmd.com/read/28870026/optogenetics-control-of-brain-using-light
#10
Hamid Gholami Pourbadie, Mohammad Sayyah
Neuronal cells communicate with each other by producing electrical signals or action potentials (APs). Different ion channels, including Na+, K+ and Ca2+ channels, are involved in generation of AP. Once an AP is generated in the soma, it travels down entire the axon length toward its terminal in a self-generating fashion that ultimately conveys information between neurons in the neural circuit. Depending on the neurotransmitter, each neuron inhibits or excites other neurons in a certain network. For instance, glutamate released from glutamatergic neurons, opens AMPA and NMDA channels permitting influx of Na+/Ca2+, which leads to postsynaptic depolarization...
January 1, 2018: Iranian Biomedical Journal
https://www.readbyqxmd.com/read/28734275/low-level-of-autophagy-related-gene-10-atg10-expression-in-the-6-hydroxydopamine-rat-model-of-parkinson-s-disease
#11
Marzieh Shams Nooraei, Ali Noori-Zadeh, Shahram Darabi, Farzad Rajaei, Zohreh Golmohammadi, Hojjat Allah Abbaszadeh
Background: Autophagy is a mechanism disassembling the damaged organelles from the cell. This study attempted to examine the expression of several autophagy-related genes in Parkinson’s disease (PD) rat model. Methods: The male Wistar rats were divided into three groups as control, sham, and lesion. In the latter group, the PD rat model was induced by the injection of 6-hydroxydopamine in the striatum.The behavioral test was conducted one (baseline) and four weeks after the surgery through apomorphine hydrochloride...
January 1, 2018: Iranian Biomedical Journal
https://www.readbyqxmd.com/read/28710847/effect-of-passage-number-and-culture-time-on-the-expression-and-activity-of-insulin-degrading-enzyme-in-caco-2-cells
#12
Taiebeh Mohammadi Farsani, Elahe Motevaseli, Nadia Neyazi, Mohammad Reza Khorramizadeh, Elaheh Zafarvahedian, Mohammad Hossein Ghahremani
Background: Insulin-degrading enzyme (IDE) is a conserved zinc metallopeptidase. Here, we have evaluated the effect of passage number and culture time on IDE expression and activity in colorectal adenocarcinoma cells (Caco-2) cells. Methods: Caco-2 cells were cultured with different passage ranges of 5-15, 25-35, 52-63 for 48, 72, and 120 hours. Subsequently, IDE expression and enzyme activity were assessed by Western blot analysis and fluorescent assay, respectively...
January 1, 2018: Iranian Biomedical Journal
https://www.readbyqxmd.com/read/28693095/analysis-of-nsp4-gene-and-its-association-with-genotyping-of-rotavirus-group-a-in-stool-samples
#13
Ali Teimoori, Mehrab Nejati, Saeedeh Ebrahimi, Manoochehr Makvandi, Milad Zandi, Azarakhsh Azaran
Background: Non-structural protein 4 (NSP4) is a critical protein for rotavirus (RV) replication and assembly. This protein has multiple domains and motifs that predispose its function and activity. NSP4 has a sequence divergence in human and animal RVs. Recently, 14 genotypes (E1-E14) of NSP4 have been identified, and E1 and E2 have been shown to be the most common genotypes in human. Methods: The gene and protein sequence of NSP4 in RV-positive samples were inspected with the aim of NSP4 genotyping and variation analysis in viroporin and other domains...
January 1, 2018: Iranian Biomedical Journal
https://www.readbyqxmd.com/read/28689385/expression-optimization-of-anti-cd22-scfv-apoptin-fusion-protein-using-experimental-design-methodology
#14
Solmaz Agha Amiri, Najmeh Zarei, Somayeh Enayati, Mohammad Azizi, Vahid Khalaj, Soraya Shahhosseini
Background: Design of experiments is a rapid and cost-effective approach for optimization of recombinant protein production process. In our previous study, we generated a potent dual-acting fusion protein, anti-CD22 scFv-apoptin, to target B-cell malignant cell lines. In the present investigation, we report the effect of different variables on the expression levels of this fusion protein. Methods: : Four variables (cell optical density at induction, IPTG concentration, induction temperature, and induction time) were tested using experimental design...
January 1, 2018: Iranian Biomedical Journal
https://www.readbyqxmd.com/read/28646827/immunization-of-c57bl-6-mice-with-gra2-combined-with-mpl-conferred-partial-immune-protection-against-toxoplasma-gondii
#15
Jalal Babaie, Samira Amiri, Robab Homayoun, Ebrahim Azimi, Reyhaneh Mohabati, Mahboobe Berizi, M. Reza Sadaie, Majid Golkar
Background: We have previously reported that immunization with GRA2 antigen of Toxoplasma gondii induces protective immunity in CBA/J (H2k) and BALB/c mice (H2d). We aimed to examine whether immunization of a distinct strain of rodent with recombinant dense granule antigens (GRA2) combined with monophosphorryl lipid A (MPL) adjuvant elicits protective immune response against T. gondii. Methods: C57BL/6 (H2b haplotype) mice were immunized with GRA2, formulated in MPL adjuvant...
January 1, 2018: Iranian Biomedical Journal
https://www.readbyqxmd.com/read/28558440/chemical-composition-and-antimicrobial-activities-of-iranian-propolis
#16
Houshang Afrouzan, Azar Tahghighi, Sedigheh Zakeri, Ali Es-haghi
Background: With considering the importance of natural products for their remedial and therapeutic value, this research was aimed to analyze the chemical compositions and antimicrobial activity of four propolis samples from different areas of Iran (Chenaran, Taleghan, Morad Beyg, and Kalaleh) with various climates and flora. Methods: ethanolic (70% EtOH) and dichlromethane (DCM) extracts of Iranian propolis were analyzed by gas chromatography-mass spectrometry (GC-MS) methods, and antimicrobial activity was evaluated against Candida albicans, Escherichia coli, and Staphylococcus aureus using disk diffusion antimicrobial method...
January 1, 2018: Iranian Biomedical Journal
https://www.readbyqxmd.com/read/29132206/study-break
#17
Farzin Roohvand
No abstract text is available yet for this article.
November 14, 2017: Iranian Biomedical Journal
https://www.readbyqxmd.com/read/29132205/secretome-of-aggregated-embryonic-stem-cell-derived-mesenchymal-stem-cell-modulates-the-release-of-inflammatory-factors-in-lipopolysaccharide-induced-peripheral-blood-mononuclear-cells
#18
Nastaran Mohammadi Ghahhari, Faezeh Maghsood, Saeed Jahandideh, Majid Lotfinia, Shirin Lak, Behrooz Johari, Asaad Azarnezhad, Mehdi Kadivar
Background: Bone marrow mesenchymal stem cells (BM-MSCs) have emerged as a potential therapy for various inflammatory diseases. Because of some limitations, several recent studies have suggested the use of embryonic stem cell-derived MSCs (ESC-MSCs) as an alternative for BM-MSCs. Some of the therapeutic effects of the ESC-MSCs are related to the secretion of a broad array of cytokines and growth factors, known as secretome. Harnessing this secretome for therapeutic applications requires the optimization of production of secretary molecules...
November 14, 2017: Iranian Biomedical Journal
https://www.readbyqxmd.com/read/29130297/scientists-and-science-advocates-professor-david-y-graham-a-brilliant-scientist-and-a-compassionate-mentor
#19
Marjan Mohammadi
No abstract text is available yet for this article.
November 13, 2017: Iranian Biomedical Journal
https://www.readbyqxmd.com/read/29126344/genetic-and-epigenetic-of-medullary-thyroid-cancer
#20
Fatemeh Khatami, Seyed Mohammad Tavangar
Medullary thyroid carcinoma (MTC) is an infrequent, calcitonin producing neuroendocrine tumor and initiates from the parafollicular C cells of the thyroid gland. Several genetic and epigenetic alterations are collaterally responsible for medullary thyroid carcinogenesis. In this review article, we shed light on all the genetic and epigenetic hallmarks of MTC. From the genetic perspective, RET, HRAS, and KRAS are the most important genes that are characterized in MTC. From the epigenetic perspective, Ras-association domain family member 1A, telomerase reverse transcriptase promoter methylations, overexpression of histone methyltransferases, EZH2 and SMYD3, and wide ranging increase and decrease in non-coding RNAs can be responsible for medullary thyroid carcinogenesis...
November 11, 2017: Iranian Biomedical Journal
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