نتایج جستجو برای: in vivo

تعداد نتایج: 16981913  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم پزشکی 1390

این مطالعه در 2 بخش in vitro وin vivo انجام شده است. در بخش in vitro سلول های بنیادی از بافت چربی موجود در اطراف کلیه های موش بالغ صحرایی استخراج شد و تا 4 پاساژ سلولی کشت داده شدند. سلول های بنیادی بافت چربی در طی دو مرحله پیش القاء (با دپرنیل) و القاء با shh و رتینوئیک اسید) به سلول های شبه عصبی حرکتی متمایز شدند. سلول های بنیادی بافت چربی توسط نشان گرهای cd90, cd49d, cd31, cd45 مورد ارزیابی ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم پزشکی 1389

هدف: شناسایی مکانیسم اثر داروهای مورد استفاده در درمان همه بیماریها از جمله لیشمانیوز احشایی در تایید استفاده ازآن نقش مهمی دارد. اکثر داروهای رایج در درمان لیشمانیا شیمیائی و دارای اثرات جانبی می باشند.هدف از این تحقیق یافتن دوز موثر داروی آرتیمیتر روی سویه لیشمانیا اینفانتوم و مطالعه اثر این دارو روی موش های آلوده به لیشمانیا اینفانتوم می باشد. روش تحقیق: تعیین ic50 دارو روی انگل لیشمانیاا...

Akbarzadeh Mahdi Dastgheib Mani Dastgheib Mona Minoo Shaddel Raoufi Nasrin Shamsi Hamid Tavakoli Payman Yakhchali Mohammad

Background: According to the drug resistance and side effects of the standard treatments for leishmaniasis, achieving effective treatment with less side effects and more benefits is of paramount importance. The present study aimed to evaluate the effect of Aloe vera leaf exudate on Leishmania major under in vitro and in vivo models, in inbred BALB/c mice. Methods: Different concentrations of bo...

Drug-induced cholestasis is the main type of liver disorder accompanied by high morbidity and mortality. Evidence for the role of hepatobiliary pumps in the cholestasis patho-mechanism is constantly increasing. Recognition of the interactions of chemical agents with these transporters at the initial phases of drug discovery can help develop new drug candidates with low cholestasis potential. Th...

Journal: Nanomedicine Journal 2014
Akram Valipoor Kazem Parivar Manoochehr Messripour, Mehrdad Modaresi

Objective(s):  The field of nanotechnology is rapidly expanding .The development quantum dots quantum dot (QDs), show great promise for treatment and diagnosis of cancer and targeted drug delivery little data on the toxicity of QDs, especially for in vivo applications, are available. As a result, concerns exist over their toxicity for in vivo applications. Then, cytotoxic effects of cadmium sel...

The use of quantum dots (QDots) as bright and photostable probes for long-term fluorescence imaging is gaining more interest. Thus far, (pre)clinical use of QDots remains limited, which is primarily caused by the potential toxicity of QDots. Most QDots consist of Cd2+ ions, which are known to cause high levels of toxicity. Therefore, the cytotoxic effects of CdSe quantum dots on embryonic devel...

Objective(s): Resveratrol (RSV) is a naturally occurring plant polyphenol with cardioprotective, neuroprotective, immunoregulatory, and anticancer properties and is biologically effective against various diseases. This study aimed to investigate the chemopreventive effect of different doses of RSV against hepatocellular carcinoma (HCC) induced by  diethylnitrosamine (D...

abbas haghparast, Mahdi Mohammadi Razieh Zaghian

Introduction: Due to the prevalence of skin problems in patients after radiotherapy, skin dose measuring is importance. Content: Skin in vivo dosimetry means measuring the patient's (or phantom) skin dose during radiotherapy. According to the ICRP 59, the dose at the depth of 0.07 mm is known as a skin dose. The most radiosensitive epidermis cells are located...

Abbas Haghparast, Mahdi Mohammadi

Introduction: The most modern radiotherapy devices are equipped with an Electronic Portal Imaging Device (EPID) system which is located on opposite side of the machine’s head. EPID system is often used to setting up the position verification during or between radiotherapy sessions. Material and Methods: Various types of dosimeters have been used to setting up ...

Background: The SALL4/Sall4 is constitutively expressed in human and mice. SALL4 mRNA could be used as a marker for the diagnosis of different types of cancers. On the other hand, chrysin has diverse biological properties. Objectives: In the present study, the effect of the chrysin was investigated on the CT26 colon cancer in vitro and in vivo. Furthermore, the expression levels of the stem cel...

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