نتایج جستجو برای: wnt

تعداد نتایج: 22773  

Ali Memarian Fazel Shokri, Hossein Asgarian-Omran Mahdi Shabani Mina Tabrizi Parvaneh Vosough

Background: Dysregulation of WNT signaling has been reported in many malignancies. Objective: This study was conducted to investigate the expression pattern of 14 members of the WNT gene family in different immunophenotypic subtypes of ALL. Methods: Semi-quantitative RT-PCR was performed on samples from 71 ALL patients and 36 age-matched healthy individuals. The ALL patients were categorized in...

Journal: :iranian journal of immunology 0
ali memarian department of immunology, school of public health, medical sciences / university of tehran mahmood jeddi tehrani monoclonal antibody research center, avesina research institute, tehran, iran parvaneh vossough clinic of hematology, ali-asghar hospital, faculty of medicine, iran university of medical sciences ramazan ali sharifian clinic of hematology and oncology, vali-asr hospital, faculty of medicine, medical sciences / university of tehran hodjatallah rabbani immune and gene therapy lab, cancer center karolinska, karolinska hospital, stockholm, sweden fazel shokri department of immunology, school of public health, medical sciences / university of tehran

background: wnt molecules play a key role in growth, proliferation and development of some embryonic and adult organs as well as hematopoietic stem cells. wnt signaling pathways are aberrantly activated in many tumor types, including solid tumors and hematologic malignancies. objective: to investigate the expression profile of a large number of wnt genes in leukemic cells from iranian patients ...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده زیست شناسی 1392

چکیده مقدمه: سیگنالینگ بوسیله خانواده wnt از گلیکوپروتئین های ترشحی یکی از مکانیسم های اساسی است که تکثیر سلولی، قطبیت سلولی و تعیین سرنوشت سلولی را در طی تکوین جنینی و هموستازی بافتی هدف قرار می دهد. لذا، جهش های مسیر wnt اغلب به نقص های تولد، سرطان، و سایر بیماری ها می انجامد. یک مسیر مهم wnt سیگنالینگ که به شدت مورد مطالعه قرار گرفته است مسیر wnt سیگنالینگ اصلی است که از طریق تنظیم مقدار بت...

چکیده سابقه و هدف مسیر سیگنالینگ Wnt/β-catenin ، یکی از آبشارهای کلیدی مهم در تنظیم سیر تکاملی و پایداری سلول‌های ایمنی و خون است، اما نقش دقیق آن هنوز بحث‌ برانگیز و موضوع پژوهش‌های مختلفی است. با فعال­ شدن مسیر سیگنالینگ Wnt، پروتئین β-catenin به داخل هسته وارد شده و رونویسی ژن­های هدف شاملcyclin D1 و c-myc را فعال می­کند. مسیر سیگنالینگ Wnt/β-catenin کانونیکال در سرطان­های خونی به طور غیرعا...

Ali Memarian Fazel Shokri, Hodjatallah Rabbani Mahmood Jeddi Tehrani Parvaneh Vossough Ramazan Ali Sharifian

Background: Wnt molecules play a key role in growth, proliferation and development of some embryonic and adult organs as well as hematopoietic stem cells. Wnt signaling pathways are aberrantly activated in many tumor types, including solid tumors and hematologic malignancies. Objective: To investigate the expression profile of a large number of Wnt genes in leukemic cells from Iranian patients ...

Journal: :iranian journal of immunology 0
ali memarian department of immunology, school of public health parvaneh vosough clinic of hematology and oncology, ali-asghar hospital, faculty of medicine hossein asgarian-omran department of immunology, school of public health mina tabrizi department of medical genetics, school of medicine, tehran university of medical sciences mahdi shabani monoclonal antibody research center, avicenna research institute, tehran, iran fazel shokri department of immunology, school of public health

background: dysregulation of wnt signaling has been reported in many malignancies. objective: this study was conducted to investigate the expression pattern of 14 members of the wnt gene family in different immunophenotypic subtypes of all. methods: semi-quantitative rt-pcr was performed on samples from 71 all patients and 36 age-matched healthy individuals. the all patients were categorized in...

It is estimated that up to 20% of all types of human cancers worldwide are attributed to viruses. The genome of oncogenic viruses carries genes that have protein products that act as oncoproteins in cell proliferation and transformation. The modulation of cell cycle control mechanisms, cellular regulatory and signaling pathways by oncogenic viruses, plays an important role in viral carcinogenes...

Objective(s): High-glucose (HG) stress, a mimic of diabetes mellitus (DM) in culture cells, alters expression of a large number of genes including Wnt and NF-κB signaling-related genes; however, the role of Wnt signaling during HG-mediated fibroblast damage and the relationship between Wnt and NF-κB signaling have not been understood. In this study, we aimed to investigate the ffects of Wnt sig...

S Mahmoud A Najafi,

Precise regulation of signal transduction pathways is crucial for normal animal development and for maintaining cellular and tissue homeostasis in adults. The Wnt/Frizzled-mediated signaling includes canonical and non-canonical signal transduction pathways. Upregulation or downregulation of the canonical Wnt-signaling (or the Wnt/β-Catenin signal transduction) leads to a variety of human diseas...

ژورنال: :مجله دیابت و متابولیسم ایران 0
آرش حسین نژاد مرکز تحقیقات غدد درون ریز و متابولیسم، دانشگاه علوم پزشکی تهران حدیث بهزادی مرکز تحقیقات غدد درون ریز و متابولیسم، دانشگاه علوم پزشکی تهران حوریه ثقفی مرکز تحقیقات غدد درون ریز و متابولیسم، دانشگاه علوم پزشکی تهران محمود شیرزاد مرکز قلب تهران، دانشگاه علوم پزشکی تهران مظاهر رحمانی مرکز تحقیقات غدد درون ریز و متابولیسم، دانشگاه علوم پزشکی تهران باقر لاریجانی مرکز تحقیقات غدد درون ریز و متابولیسم، دانشگاه علوم پزشکی تهران

مقدمه: در این مطالعه فعالیت مسیر پیام رسانی wnt و تداخل آن با مسیر ضد استرس اکسیداتیو(foxo) بررسی شد. در مسیر پیام رسانی wnt ، القا توسط گلیکوپروتئین wnt صورت گرفته و پس از تحریک گیرنده این پیام به بتا کتنین رسیده که تعامل آن با gsk-3beta روند انتقال پیام را تعیین می کند.

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