نتایج جستجو برای: cell

تعداد نتایج: 1683865  

Journal: :research in molecular medicine 0
durdi qujeq head of department of biochemistry and biophysics .cellular and molecular biology research center (cmbrc), babol university of medical sciences, ganjafrooze avenue, babol, iran friba salmani head of department of biochemistry and biophysics .cellular and molecular biology research center (cmbrc), babol university of medical sciences, ganjafrooze avenue, babol, iran fax:+98-111-2226109 fariedeh feizi head of department of biochemistry and biophysics .cellular and molecular biology research center (cmbrc), babol university of medical sciences, ganjafrooze avenue, babol, iran fax:+98-111-2226109

background: there is evidence that mesangial cell structural changes contribute to the pathogenesis of diabetic nephropathy. to gain better insight into the mechanisms responsible for this issue, present study focused on effect of cord blood mononuclear cells (mncs) derived cd133 positive cells on mesangial cell structure and function. materials and methods: the animals were randomly divided in...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی خواجه نصیرالدین طوسی - دانشکده برق 1394

کاهش روز افزون سوخت های فسیلی، افزایش قیمت آن ها و ترس وابستگی شدید به کشورهای تولید کننده این دسته از منابع انرژی منجر به توجه محققین به منابع با دوام، ارزان و فراوان شده است. انرژی های تجدید پذیر به عنوان بهترین راه حل برای پاسخگویی به این نیاز معرفی شده اند که در این رابطه الکترونیک قدرت با فراهم آوری تجهیزات مختلف نقش یک واسط را برای دسترسی و استفاده انسان از این منابع بازی می کند. یکی از م...

Journal: :بینا 0
علیرضا برادران رفیعی ar baradaran-rafii ocular tissue engineering research center, shahid beheshti university of medical sciencesمرکز تحقیقات مهندسی بافت چشم- دانشگاه علوم پزشکی شهید بهشتی- تهران- ایران مصطفی رضایی طاویرانی m rezaei-tavirani 2proteomics research center, shahid beheshti university of medical sciences, tehran, iran.مرکز تحقیقات پروتئومیکس- دانشگاه علوم پزشکی شهید بهشتی- تهران- ایران سعید حیدری کشل s heidari-keshe 2proteomics research center, shahid beheshti university of medical sciences, tehran, iran.مرکز تحقیقات پروتئومیکس- دانشگاه علوم پزشکی شهید بهشتی- تهران- ایران دانیال روشندل d roshandel ocular tissue engineering research center, shahid beheshti university of medical sciencesمرکز تحقیقات چشم- دانشگاه علوم پزشکی شهید بهشتی- تهران- ایران

purpose: to separate and characterize orbital fat-derived stem cells (ofscs) and compare its cellular and molecular properties with those of bone marrow-derived mesenchymal stem cells (mscs) and adipose-derived stem cells (ascs). methods: stem cells from orbital fat, abdominal fat and bone marrow aspirates have been isolated. we assessed stem cell specific cell surface markers using cytometry, ...

Journal: :acta medica iranica 0
parisa goodarzi clinical grade cell manufacturing facility, brain and spinal cord injury research center, tehran university of medical sciences, tehran, iran. babak arjmand clinical grade cell manufacturing facility, brain and spinal cord injury research center, tehran university of medical sciences, tehran, iran. and endocrinology and metabolism research center, endocrinology and metabolism research institute, tehran university of medical sciences. tehran, iran. seyed hassan emami-razavi clinical grade cell manufacturing facility, brain and spinal cord injury research center, tehran university of medical sciences, tehran, iran. masoud soleimani department of hematology, tarbiat modares university, tehran, iran. abbas khodadadi iranian tissue bank, research and preparation center, tehran university of medical sciences, tehran, iran. fereshteh mohamadi-jahani clinical grade cell manufacturing facility, brain and spinal cord injury research center, tehran university of medical sciences, tehran, iran.

nowadays, cell -based and tissue engineered products have opened new horizons in treatment of incurable nervous system disorders. the number of studies on the role of schwann cells (sc) in treating nervous disorders is higher than other cell types. different protocols have been suggested for isolation and expansion of sc which most of them have used multiple growth factors, mitogens and fetal b...

Journal: :iranian journal of public health 0
maryam ghodsi farzaneh abbasi ali tootee ramin heshmat camelia rambod bagher larijani

background: cell-based treatments are currently being actively received great attention among scientists and clinicians for a variety of diseases as well as diabetes .the aim of this study was to investigate the effect of allotransplantation of fetal liver-derived cell suspension in patients with type 1 diabetes. methods: patients with type 1 diabetes (n=16) aged 6-30 years-old were included in...

پایان نامه :موسسه آموزش عالی غیر انتفاعی و غیر دولتی نبی اکرم (ص) - دانشکده فنی 1393

تعیین موقعیت موبایل با استفاده از سیگنال های دریافتی یکی از نیازهای اساسی در صنعت تلفن همراه به شمار می آید. با توجه به اینکه به کارگیری سیستم های موقعیت یاب gps نیز دارای هزینه و عدم کارایی در مکان های سر بسته می باشد، اپراتورهای تلفن همراه ملزم به ارائه روش هایی برای مکان یابی گوشی تلفن همراه شده اند. با توجه به این مسئله روش های مکان یابی مختلفی از قبیل cell-id و toa، tdoa و ... به صورت تئور...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علم و صنعت ایران 1381

دراین پروژه ابتدا مروری بر ساختار محفظه ها کرده و بعد از آن به بررسی کاتد مجازی که اساس ساختار لامپهای توان بالا می باشد می پردازیم .سپس روش تقسیم بندی ذرات در سلولها ‏‎(particle in cell)‎‏ که جهت شبیه سازی این گونه محفظه ها بکار برده می شود ، مورد بررسی قرار می گیرد . در فصل بعد آلگوریتم و معادلات موجوددر این شبیه سازی همراه با مروری بر روش تفاضلی محدود ‏‎(finite difference method)‎‏ ارائه می ...

Journal: :iranian journal of immunology 0
mahboobeh razmkhah shiraz institute for cancer research nadieh abedi shiraz institute for cancer research ahmad hosseini shiraz institute for cancer research mohammad taghi imani department of plastic surgery abdol-rasoul talei department of surgery abbas ghaderi shiraz institute for cancer research

background: adipose derived stem cells (ascs) provoke the accumulation and expansion of regulatory t cells, leading to the modulation of immune responses in tumor microenvironment. objective: to assess the effect of tumoral ascs on the trend of regulatory t cells differentiation. methods: peripheral blood naïve cd4+ t cells were co-cultured with ascs derived from breast cancer or normal breast ...

Journal: :journal of nutritional sciences and dietetics 0
ariyo movahedi department of nutrition & dietetics, faculty of medicine, universiti putra malaysia, serdang, selangor, malaysia rusliza basir department of human anatomy, faculty of medicine, university putra malaysia, serdang, selangor, malaysia asmah rahmat department of nutrition & dietetics, faculty of medicine, universiti putra malaysia, serdang, selangor, malaysia mohammad charaffedine diseased tissue pathology lab, tyre, lebanon fauziah othman department of human anatomy, faculty of medicine, university putra malaysia, serdang, selangor, malaysia

ba ckground: liver cancer is one of the deadly cancers with high prevalence in the east asia. likewise most of diseases, herbs and herbal medicine could be an easy and cost effective tool in prevention and possible cancer treatment. the present study investigated the ability of orthosiphon stamineus benth decoction to protect liver against hepatocellular carcinoma in carcinogenesis-induced anim...

Journal: :iranian biomedical journal 0
majid lotfinia department of biochemistry, pasteur institute of iran, tehran, iran shirin lak department of biochemistry, pasteur institute of iran, tehran, iran nastaran mohammadi ghahhari department of biochemistry, pasteur institute of iran, tehran, iran behrooz johari department of biochemistry, pasteur institute of iran, tehran, iran faezeh maghsood department of biochemistry, pasteur institute of iran, tehran, iran sara parsania department of biochemistry, pasteur institute of iran, tehran, iran

background: mesenchymal stem cells (mscs) are important candidates for msc-based cellular therapy. current paradigm states that mscs support local progenitor cells in damaged tissue through paracrine signaling. therefore, study of paracrine effects and secretome of mscs could lead to the appreciation of mechanisms and molecules associated with the therapeutic effects of these cells. this study ...

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