نتایج جستجو برای: cell survival

تعداد نتایج: 1896768  

Objective(s): Parkinson’s disease (PD) is characterized by motor and cognitive dysfunctions. The progressive degeneration of dopamine-producing neurons that are present in the substantia nigra pars compacta (SNpc) has been the main focus of study and PD therapies since ages.Materials and Methods: In this manuscript, a systematic revision...

Nowadays, researchers have made extensive efforts to find new treatments for nerve damage. Meanwhile, the role of exosomes in cell-cell communication is considered to be a new mechanism. Exosomes can act as suitable differentiating agents. The aim of this study was to investigate the differentiating effect of cerebrospinal fluid-derived exosomes on adipose mesenchymal stem cells in alginate hyd...

Journal: :FEMS Microbiology Letters 1996

To survive in natural waters, bacteria must respond to variety of environmental factors. Flexibacter survival in the aquatic environment is influenced by number of parameters, such as temperature, heavy metal concentration and oxidation. Here we investigate the influence of these factors on the survival of Flexibacter chinensis in starvation medium. Our data shows that different concentrations ...

Introduction: The use of cell phones is widespread and there are public concerns regarding its possible deleterious effects on human health especially on the pregnancy outcomes. In this study, structural changes of the placenta after applying the cell phone radiation were examined in the mice model.   Materials and methods: For this work, 40 pregnant Balb/C mice were randomly allocated to ...

An unbounded number of events exist beneath the intricacy of each particular hematologic malignancy, prompting the tumor cells into an unrestrained proliferation and invasion. Aberrant expression of cyclin-dependent kinases (CDKs) is one of these events which disrupts regulation of cell cycle and subsequently, results in cancer progression. In this study, we surveyed the repressive impact of mu...

Wei-Min Zhang Yan-Sheng Gao Yong-Gang Zhang Zhi-Ren Zhang,

Background: Pigment epithelium-derived factor (PEDF) is regarded as a multifunctional protein possessing neurotrophic and neuroprotective properties. PEDF has a very short half-life, and it would require multiple injections to maintain a therapeutically relevant level without a delivery system. However, multiple injections are prone to cause local damage or infection. To overcome this, we chose...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز 1390

امروزه با توسعه روز افزون تکنولوژی mems و کاربردهای گسترده آن در مهندسی پزشکی می توان قطعاتی را طراحی نمود که قابل کاشت (implantable ) در داخل بدن باشد. اندازه گیری مقدار قند خون یکی از زمینه هایی می باشد که با توسعه تکنولوژی memsمورد توجه بوده است. در بیماران دیابتی نوع دوم، میزان قند خون بالا می باشد و از آنجایی که با افزایش قند خون احتمال بیهوشی نیز بالا می رود، لذا اندازه گیری قند خون بصورت...

Journal: :iranian journal of medical physics 0
ameneh sazgarnia assistant professor of medical physics, medical physics research center, mashhad university of medical sciences, mashhad, iran. mohammad hosein bahreyni toossi professor of medical physics, faculty of medicine, mashhad university of medical sciences, mashhad, iran. fatemeh haji ghahremani m.sc. in medical physics, faculty of medicine, mashhad university of medical sciences, mashhad, iran. omid rajabi4, associate professor of medicinal chemistry, faculty of pharmacy, mashhad university of medical sciences, mashhad, iran. seyed amir aledavood assistant professor of oncology, omid hospital, mashhad university of medical sciences, mashhad, iran. habib ollah esmaily associate professor of biostatistics, faculty of medicine, mashhad university of medical sciences, mashhad, iran.

introduction: hyperthermia created by microwave (mw), infrared, ultrasound and other methods, is often utilized as an adjuvant to sensitize cancer cells to the effects of chemotherapy and radiation therapy. we investigated the efficacy of hyperthermia using mw in synergy with chemotherapy in the presence and absence and gold nanoparticles (gnps). material and methods: after culturing and prolif...

Journal: :Journal of Experimental Medicine 2014

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