نتایج جستجو برای: mutations

تعداد نتایج: 172787  

Nuclear genetic mutations have been extensively investigated in solid tumors. However, the role of the mitochondrial genome remains uncertain. Since the metabolism of solid tumors is associated with aerobic glycolysis and high lactate production, tumors may have mitochondrial dysfunctions. Familial adenomatous polyposis (FAP) is a rare form‌ of colorectal cancer and an autosomal dominant inheri...

 Background and purpose: Influenza is one of the viral infections of the respiratory system, which causes death in high-risk groups every year. The genomic changes of influenza virus make it susceptible to drug resistance, therefore, continuous monitoring of the influenza virus is highly important in order to recognize the efficacy of available drugs. The current study investigated the neuramin...

Objective(s):Familial Mediterranean Fever (FMF) is an autosomal recessive disorder characterized by recurrent episodes of fever accompanied by peritonitis, pleurisy, and arthritis. FMF affects mainly Mediterranean populations and is caused by mutations in the familial Mediterranean fever (MEFV) gene. The aim of this study was to identify the frequency and distribution of MEFV mutations in Irani...

Myeloproliferative Neoplasm (MPN) are a clonal disorder in hematopoietic stem cells (HSC). MPN is categorized to 8 subclasses, including chronic myeloid leukemia (CML), polycythemia vera (PV), essential thrombocytopenia (ET), primary myelofibrosis (PMF), systematic mastositosis (SM), chronic eosinophilic leukemia (CEL), chronic neutrophilic leukemia (CNL), and unclassified myelofibrosis disorde...

رودباری, فاطمه, شیخ سفلی, فاطمه, قدیانی, مجتبی, پوپک, بهزاد,

Background: Kirsten rat sarcoma (KRAS) gene is a target of genetic alterations which are diagnostic and prognostic biomarkers in patients with metastatic colorectal cancer who are treated with monoclonal anti-EGFR antibodies such as cetuximab and panitumumab. KRAS mutations are seen in 35-42% of patients with colorectal cancer. The high frequency of these mutations in colorectal cancer represen...

Safura Pakizehkar, Samaneh Hosseinzadeh,

Medullary thyroid cancer accounts for 5-10% of thyroid carcinomas. RET proto-oncogene mutations occur in all of the hereditary MTCs and about 66% of the sporadic MTCs. So, the detection of the RET mutations is necessary for rapid and proper diagnosis and treatment. This systematic review seeks to find a comprehensive list of RET gene mutations in the diagnosis of medullary thyroid cancer. The ...

Journal: :iranian journal of allergy, asthma and immunology 0
sepideh safaei immunology, asthma & allergy research institute , children’s medical center, tehran university of medical sciences, tehran, iran zahra pourpak immunology, asthma & allergy research institute , children’s medical center, tehran university of medical sciences, tehran, iran mostafa moin immunology, asthma & allergy research institute , children’s medical center, tehran university of medical sciences, tehran, iran massoud houshmand national institute for genetic engineering and biotechnology, tehran, iran

scid disorder is major failure of the immune system, usually genetic. the aim of this study was on mutations detection of rag1, rag2, and il7rg genes in scid cases. mutation detection was performed by pcr sequencing. our results  indicated  that 13  mutations  were found  through  cases which  include 4 mutations in il7r gene (t661i, i138v, t56a, c57w), 7 mutations in rag1 (w896x, w204r, m324v,...

اخوان نیاکی , هاله, بنی هاشمی , علی, علی اصغریان , آیلی, هاشمی سوته , سیدمحمدباقر, کوثریان , مهرنوش,

Background and purpose: Beta-thalassemia is the most common inherited disorder in the world, especially in Iran. According to Iranian thalassemia society registry, 18616 thalassemia patients now living in Iran, which Mazandaran and Fars provinces have the most patients. Previous reports have shown that the frequency of b-thalassemia carriers is more than 10% in Mazandaran province. Although b...

Background: Cystic fibrosis (CF) is the most common lethal genetic disorder of Cystic Fibrosis Trans-membrane Conductance (CFTR) Regulator gene mutations. We aimed to investigate common mutations in CF patients and to assess its possible relationship with clinical presentations. Materials and Methods: This cross sectional study was conducted on 36 CF patients who were referred to a tertiary ped...

Journal: :Nanoscale 2015
Li-Kun Yang Teng-Xiang Huang Zhi-Cong Zeng Mao-Hua Li Xiang Wang Fang-Zu Yang Bin Ren

Reproducible fabrication of sharp gold- or silver-coated tips has become the bottleneck issue in tip-enhanced Raman spectroscopy, especially for atomic force microscopy (AFM)-based TERS. Herein, we developed a novel method based on pulsed electrodeposition to coat a thin gold layer over atomic force microscopy (AFM) tips to produce plasmonic TERS tips with high reproducibility. We systematicall...

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