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Avicenna Journal of Medical Biotechnology

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https://www.readbyqxmd.com/read/29090071/a-novel-mutation-in-snx10-gene-causes-malignant-infantile-osteopetrosis
#1
Akbar Amirfiroozy, Amir A Hamidieh, Zahra Golchehre, Azim Rezamand, Mahin Yahyaei, Fatemeh Beiranvandi, Soheyla Amirfiroozy, Mohammad Keramatipour
BACKGROUND: Osteopetrosis is a group of genetically heterogonous diseases and the main feature of that is increased bone density due to osteoclast's abnormality. It has three clinical forms based on inheritance pattern, severity and age of onset: the dominant benign form (ADO), the intermediate form (IRO) and the recessive severe form (ARO). One of the recently discovered genes for ARO form is SNX10 that accounts for 4% of affected persons by this type. METHODS: In this paper, a 15 years old girl affected by osteopetrosis has been analyzed for detecting causal mutation in known osteopetrosis genes...
October 2017: Avicenna Journal of Medical Biotechnology
https://www.readbyqxmd.com/read/29090070/alternative-splicing-generates-different-5-utrs-in-oct4b-variants
#2
Ensieh M Poursani, Majid Mehravar, Alireza Shahryari, Seyed Javad Mowla, Bahram Mohammad Soltani
BACKGROUND: The human OCT4 gene, responsible for pluripotency and self-renewal of Embryonic Stem (ES) and Embryonic Carcinoma (EC) cells, can generate several transcripts (OCT4A, OCT4B-variant 2, OCT4B-variant 3, OCT4B-variant 5, OCT4B1, OCT4 B2 and OCT4B3) by alternative splicing and alternative promoters. OCT4A that is responsible for ES and EC cell stemness properties is transcribed from a promoter upstream of Exon1a in those cells. The OCT4B group variants (OCT4B-variant2, OCT4B-variant3, OCT4B-variant5, OCT4B1, OCT4B2 and OCT4B3) are transcribed from a different promoter located in intron 1 and some of them respond to the cell stresses, but cannot sustain the ES/EC cell self-renewal...
October 2017: Avicenna Journal of Medical Biotechnology
https://www.readbyqxmd.com/read/29090069/the-frequency-and-importance-of-common-%C3%AE-globin-gene-deletions-among-%C3%AE-thalassemia-carriers-in-an-iranian-population
#3
Azam Moosavi, Ali M Ardekani
BACKGROUND: β-thalassemia is the most common monogenic disorder in Iran, and one of the challenges in the screening of the carriers is the coinheritance of α-thalassemia mutations. In the view of high prevalence of α-thalassemia mutations in many parts of the country, the aim of this study was to determine the carrier frequency of common alpha deletions, as a secondary modifier in clinical manifestations of beta thalassemia, in known beta-thalassemia carriers and some hematology parameter changes...
October 2017: Avicenna Journal of Medical Biotechnology
https://www.readbyqxmd.com/read/29090068/altered-mir-223-expression-in-sputum-for-diagnosis-of-non-small-cell-lung-cancer
#4
Abouzar Bagheri, Hamid Reza Khorram Khorshid, Seyed Javad Mowla, Hassan Ali Mohebbi, Azam Mohammadian, Mehdi Yaseri, Masoud Solaymani-Dodaran, Masih Sherafatian, Mahmood Tavallaie
BACKGROUND: Diagnosis of Non-small Cell Lung Cancer (NSCLC) at an early stage is a daunting challenge due to the deficiency of specific noninvasive markers. MicroRNAs (miRNAs) play important roles in the initiation and progression of NSCLC. Measuring miRNA expression levels could provide a potential approach for the diagnosis of NSCLC. Our goals were to examine miR-223, miR-212, miR-192, miR-3074, SNORD33 and SNORD37 expression levels in tissue and sputum of NSCLC patients and cancer free subjects for molecular diagnosis of NSCLC...
October 2017: Avicenna Journal of Medical Biotechnology
https://www.readbyqxmd.com/read/29090067/magnetic-iron-oxide-nanoparticles-as-t2-mr-imaging-contrast-agent-for-detection-of-breast-cancer-mcf-7-cell
#5
Pegah Moradi Khaniabadi, Daryoush Shahbazi-Gahrouei, Mohammad Suhaimi Jaafar, Amin Malik Shah Abdul Majid, Bita Moradi Khaniabadi, Saghar Shahbazi-Gahrouei
BACKGROUND: Advances of nanotechnology have led to the development of nano-materials with both potential diagnostic and therapeutic applications. Among them, Super Paramagnetic Iron Oxide Nanoparticles (SPIONs) have received particular attention. Modified EDC coupling fraction was used to fabricate the SPION-C595 as an MR imaging contrast agent for breast cancer detection in early stages. METHODS: Nanoprobe characterization was confirmed using Fourier Transform Infrared Spectroscopy (FT-IR), Scanning Electron Microscopy with Energy Dispersive X-Ray Spectroscopy (SEM-EDAX), and Photon Correlation Spectroscopy (PCS)...
October 2017: Avicenna Journal of Medical Biotechnology
https://www.readbyqxmd.com/read/29090066/lithium-chloride-can-induce-differentiation-of-human-immortalized-renvm-cells-into-dopaminergic-neurons
#6
Mitra Soleimani, Nazem Ghasemi
BACKGROUND: Stem cell-based therapy is a novel strategy for the treatment of neurodegenerative diseases. The transplantation of fully differentiated cells instead of stem cells in order to decrease serious adverse complications of stem cell therapy is a new idea. In this study, the effect of lithium chloride on dopaminergic differentiation of human immortalized RenVm cells was investigated in order to access a population of fully differentiated cells for transplantation in Parkinson disease...
October 2017: Avicenna Journal of Medical Biotechnology
https://www.readbyqxmd.com/read/29090065/cloning-expression-and-purification-of-pseudomonas-putida-atcc12633-creatinase
#7
Elnaz Afshari, Zahra Amini-Bayat, Saman Hosseinkhani, Nahid Bakhtiari
BACKGROUND: Pseudomonas putida (P. putida) ATCC12633 can produce creatinase. It is a microbial enzyme which degrades creatinine in bacteria and provides source of carbon and nitrogen. Also, this enzyme is used in the enzymatic measurement of creatinine concentration for diagnosis of renal and muscles functions and diseases. Our purpose was recombinant production of creatinase for using in clinical measurement of serum or urine creatinine. METHODS: A 1209bp of open reading frame of creatinase was amplified by PCR from P...
October 2017: Avicenna Journal of Medical Biotechnology
https://www.readbyqxmd.com/read/29090064/lactococcus-lactis-a-new-strategy-for-vaccination
#8
REVIEW
Maryam Azizpour, Seyyed Davood Hosseini, Parvaneh Jafari, Neda Akbary
Needle free vaccines have a several advantages and very attractive way for vaccination. In a body, mucosal surfaces provide a universal entry portal for all the known and emerging infectious pathogenic microbes. Therefore, it seems, vaccination strategies need to be reorganized for vaccines that are hindering the entry capability of pathogenic microbes through mucosal surfaces. Lactic acid Bacteria (LAB) are widely used in the food industry and at the present, used as delivery vehicles for biological investigations...
October 2017: Avicenna Journal of Medical Biotechnology
https://www.readbyqxmd.com/read/28706613/major-components-of-metabolic-parameters-and-nutritional-intakes-in-different-genotypes-of-adiponectin-276-g-t-gene-polymorphism-in-non-diabetes-and-non-alcoholic-iranian-fatty-liver-patients
#9
Fatemeh Mohseni, Sahar Moghbelinejad, Reza Najafipour
BACKGROUND: Genetic and environmental factors are both involved in the etiology of Non-Alcoholic Fatty Liver Disease (NAFLD). Among the genetic factors, certain polymorphisms of adiponectin gene are associated with NAFLD. In the current study, we investigated the association between metabolic parameters with different genotypes of adiponectin +276 G>T polymorphism among the Iranian NAFLD patients, and the effect of nutritional intake with development of NAFLD. METHODS: In this study, 75 patients with NAFLD and 76 healthy individuals were enrolled...
July 2017: Avicenna Journal of Medical Biotechnology
https://www.readbyqxmd.com/read/28706612/polymorphisms-in-the-estrogen-receptor-beta-gene-and-the-risk-of-unexplained-recurrent-spontaneous-abortion
#10
Marzieh Mahdavipour, Saeed Zarei, Ramina Fatemi, Haleh Edalatkhah, Hamed Heidari-Vala, Mahmood Jeddi-Tehrani, Farah Idali
BACKGROUND: Recurrent Spontaneous Abortion (RSA) is caused by multiple genetic and non-genetic factors. Around 50% of the RSA cases have no known etiology and are considered as Unexplained RSA (URSA). Estrogens, via binding to their receptors, play an important role in female reproduction. This study aimed to investigate whether single nucleotide polymorphisms (SNPs; +1082G/A, +1730G/A and rs1256030 C/T) in the estrogen receptor beta (ESR2) gene are associated with susceptibility to URSA in a population of Iranian women...
July 2017: Avicenna Journal of Medical Biotechnology
https://www.readbyqxmd.com/read/28706611/a-novel-variant-in-the-pah-gene-causing-phenylketonuria-in-an-iranian-pedigree
#11
Elaheh Alavinejad, Seyede Zahra Sajedi, Masoumeh Razipour, Mona Entezam, Neda Mohajer, Aria Setoodeh, Saeed Talebi, Mohammad Keramatipour
BACKGROUND: Phenylalanine hydroxylase (PAH) gene is the well-known causative gene for classic Phenylketonuria (PKU) (OMIM#261600) disease, with more than 500 reported mutations. Through this study, a novel mutation in the PAH gene in an Iranian pedigree with phenylketonuria was introduced. METHODS: A consanguineous family with a 10-year old affected girl was referred for genetic analysis. Mutation screening of all exons and exon-intron boundaries was performed by Sanger sequencing, and mini haplotype analysis was carried out by genotyping of Short Tandem Repeat (STR) and Variable Number Tandem Repeat (VNTR) alleles...
July 2017: Avicenna Journal of Medical Biotechnology
https://www.readbyqxmd.com/read/28706610/a-novel-variant-of-oct4-entitled-oct4b3-is-expressed-in-human-bladder-cancer-and-astrocytoma-cell-lines
#12
Ensieh M Poursani, Majid Mehravar, Bahram Mohammad Soltani, Seyed Javad Mowla, James E Trosko
BACKGROUND: Alternative splicing is an important mechanism that regulates gene expression and function in human cells. OCT4, a crucial pluripotency marker in embryonic stem/carcinoma cells generates several spliced variants in different cell types and cancers. The expression of OCT4 in cancers has been challenged in many studies. The existence of several OCT4 spliced variants and absence of specific discriminating primers is the main reason of this controversy. Therefore, using specific primers and discriminating OCT4 variants from each other might help to reduce these discrepancies in carcinogenesis and stem cell researches...
July 2017: Avicenna Journal of Medical Biotechnology
https://www.readbyqxmd.com/read/28706609/distribution-of-class-i-integron-and-smqnr-resistance-gene-among-stenotrophomonas-maltophilia-isolated-from-clinical-samples-in-iran
#13
Mohammadali Malekan, Bahman Tabaraie, Ladan Akhoundtabar, Parviz Afrough, Ava Behrouzi
BACKGROUND: Stenotrophomonas maltophilia (S. maltophilia) is a multiple-antibiotic-resistant opportunistic pathogen that is being isolated with increasing frequency from patients with health-care-associated infections. S. maltophilia is inherently resistant to most of the available antimicrobial agents. Spread of resistant strains has been attributed, in part, to class I integrons. In vitro susceptibility studies have shown trimethoprim-sulfamethoxazole and new floroquinolones as two important agents with activity against these organisms...
July 2017: Avicenna Journal of Medical Biotechnology
https://www.readbyqxmd.com/read/28706608/the-effects-of-melilotus-officinalis-extract-on-expression-of-daxx-nfkb-and-vegf-genes-in-the-streptozotocin-induced-rat-model-of-sporadic-alzheimer-s-disease
#14
Niloofar Bazazzadegan, Marzieh Dehghan Shasaltaneh, Kioomars Saliminejad, Koorosh Kamali, Mehdi Banan, Hamid Reza Khorram Khorshid
BACKGROUND: Possible mechanisms of Alzheimer Disease (AD) such as inflammation and oxidative stresses in the brain led us to investigate potential AD therapeutics of Melilotus officinalis, an herbal extract, with possible role as an anti-inflammatory and anti-oxidant agent. Among different genes which had important role in Sporadic AD (SAD), three genes including DAXX, NFkB and VEGF have shown significant statistical diversity in the brains of Alzheimer patients. METHODS: These genes were chosen to be investigated for neuroprotective effects of the extract by comparing the expression level in the hippocampus of Sporadic AD (SAD) rat model using quantitative polymerase chain reaction (qPCR) in the treated and untreated groups...
July 2017: Avicenna Journal of Medical Biotechnology
https://www.readbyqxmd.com/read/28706607/evaluation-of-factors-affecting-size-and-size-distribution-of-chitosan-electrosprayed-nanoparticles
#15
Morteza Abyadeh, Ali Akbar Karimi Zarchi, Mohammad Ali Faramarzi, Amir Amani
BACKGROUND: Size and size distribution of polymeric nanoparticles have important effect on their properties for pharmaceutical application. In this study, Chitosan nanoparticles were prepared by electrospray method (electrohydrodynamic atomization) and parameters that simultaneously affect size and/or size distribution of chitosan nanoparticles were optimized. METHODS: Effect of formulation/processing three independent formulation/processing parameters, namely concentration, flow rate and applied voltage was investigated on particle size and size distribution of generated nanoparticles using a Box-Behnken experimental design...
July 2017: Avicenna Journal of Medical Biotechnology
https://www.readbyqxmd.com/read/28706606/biosynthesis-of-silver-nanoparticles-using-chlorella-vulgaris-and-evaluation-of-the-antibacterial-efficacy-against-staphylococcus-aureus
#16
Mohammad Soleimani, Maziar Habibi-Pirkoohi
BACKGROUND: It is well documented that Silver Nanoparticles (SNPs) are potent antimicrobial agents. However, little is known about antimicrobial effects of biologically synthesized SNPs at molecular level. In the present study, efficacy of the green microalgae Chlorella vulgaris in biosynthesis of silver nanoparticles and inhibitory effect of the biosynthesized SNPs on growth and virulence of Staphylococcus aureus (S. aureus) were investigated. METHODS: Algal suspension was incubated in the presence of silver nitrate to induce formation of nanoparticles...
July 2017: Avicenna Journal of Medical Biotechnology
https://www.readbyqxmd.com/read/28706605/embryonic-stem-cell-conditioned-medium-supports-in-vitro-maturation-of-mouse-oocytes
#17
Saber Miraki, Aram Mokarizadeh, Omid Banafshi, Vahideh Assadollahi, Mahdad Abdi, Daem Roshani, Fardin Fathi
BACKGROUND: This study aimed to investigate the maturation and fertilization rates of immature mouse oocytes using Embryonic Stem Cell Conditioned Medium (ESCM). METHODS: Germinal Vesicle (GV) stage oocytes were observed in 120 NMRI mice, aged 4-6 weeks. GV oocytes with or without cumulus cells were subjected to IVM in either ESCM, Embryonic Stem Cell Growth Medium (ESGM), or α-minimum essential medium (α-MEM). After recording the Metaphase II (MII) oocyte maturation rate, the oocytes were fertilized in vitro...
July 2017: Avicenna Journal of Medical Biotechnology
https://www.readbyqxmd.com/read/28706604/innovation-and-technology-in-iran
#18
EDITORIAL
Shahin Akhondzadeh
No abstract text is available yet for this article.
July 2017: Avicenna Journal of Medical Biotechnology
https://www.readbyqxmd.com/read/28496951/can-aptameric-ligands-specific-to-plasma-coagulation-factor-vii-bind-the-recombinant-form-with-high-affinity-affinity-measurement-by-fluorescence-method
#19
Maryam Tabarzad, Marzieh Jafari, Nastaran Nafissi-Varcheh
BACKGROUND: Among diverse protein purification systems, affinity chromatography is the most attractive one in the purification process of coagulation factors. Coagulation factor VII is a plasma serine protease that has a significant role in natural human hemostasis and its recombinant form such as AryoSeven(™), has been applied in clinical treatment of bleeding disorders. Immunoaffinity chromatography is the purification method of choice that is currently applied in the development of coagulation factor VIIa products...
April 2017: Avicenna Journal of Medical Biotechnology
https://www.readbyqxmd.com/read/28496950/development-of-flow-cytometry-fluorescent-in-situ-hybridization-flow-fish-method-for-detection-of-pml-rara-chromosomal-translocation-in-acute-promyelocytic-leukemia-cell-line
#20
Fatemeh Zahedipour, Reza Ranjbaran, Abbas Behzad Behbahani, Khalil Tavakol Afshari, Mohammad Ali Okhovat, Gholamhossein Tamadon, Sedigheh Sharifzadeh
BACKGROUND: Acute Promyelocytic Leukemia (APL) is a subclass of acute myeloid leukemia. The chromosomal aberration in 95% of APL cases is t(15; 17) (q22; q21), which prevents cell differentiation. Characterization of the underlying molecular lesion is valuable in determining optimal treatment strategy. The goal of this study was to develop a new and powerful Flow- FISH technique to detect the long isoform (L) of PML-RARa fusion transcript in NB4 cell line. METHODS: To achieve the best condition for fixation, two different fixatives including 2% paraformaldehyde and 75% ethanol were used...
April 2017: Avicenna Journal of Medical Biotechnology
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