نتایج جستجو برای: keywords stem cell research

تعداد نتایج: 4676850  

Journal: :international journal of pediatrics 0
seyed javad hoseini department of medical biotechnology, faculty of medicine, mashhad university of medical sciences, mashhad, iran. hamed ghazavi student research committee, faculty of medicine, mashhad university of medical sciences, mashhad, iran. ahmad ghorbani department of pharmacology, pharmacological research center of medicinal plants, mashhad university of medical sciences, mashhad, iran. hamid reza sadeghian department of pharmacology, pharmacological research center of medicinal plants, mashhad university of medical sciences, mashhad, iran. majid ghayour mobarhan department of new sciences & technologies, faculty of medicine, mashhad university of medical sciences, mashhad, iran. elaheh mahdipour department of medical biotechnology, faculty of medicine, mashhad university of medical sciences, mashhad, iran.

introduction:   mesenchymal stem cells have the potential of self-renewal and differentiation into different cell types, including blood cells, heart, nerves and cartilage, and have unlimited power for division. these cells can be obtained from cord, before implantation from fertilized cells and also from various tissues of adults although the differentiation power and the ability to reproduce ...

Journal: :iranian journal of cancer prevention 0
kazem anvari solid tumor treatment research center, faculty of medicine, mashhad university of medical sciences, mashhad, iran mehdi seilanian toussi solid tumor treatment research center, faculty of medicine, mashhad university of medical sciences, mashhad, iran gholamreza bahadorkhan dept. of neurosurgery, shahid kamiab hospital, faculty of medicine, mashhad university of medical sciences, mashhad, iran motahare bitaghsir omid hospital, mashhad university of medical sciences, mashhad, iran mozhgan heidari dept. of radiation oncology, mashhad university of medical sciences, mashhad, iran mitra fazl ersi solid tumor treatment research center, faculty of medicine, mashhad university of medical sciences, mashhad, iran

background: central nervous system (cns) tumors have accounted for approximately one fourth of all pediatric malignancies. cns tumors have been the most common solid malignancies among the children. in this study, we have evaluated survival and prognostic factors in children with non-brain stem astrocytoma. methods: children with non-brain stem astrocytoma, referring to radiation oncology cente...

Journal: :cell journal 0
masoumeh mousavinejad peter w. andrews elham kargar shoraki

stem cells can be valuable model systems for drug discovery and modelling human diseases as well as to investigate cellular interactions and molecular events in the early stages of development. controlling the differentiation of stem cells into specific germ layers provides a potential source of highly specialized cells for therapeutic applications. in recent years, finding individual propertie...

شیخ‌حسن, محسن , طباطبائی قمی, رضا , قیاثی, مهدیه , نیکبخت, محسن ,

Background: Stem cells represent an ideal cell source for application in tissue engineering and regenerative medicine due to their ability to proliferate and differentiate to a wide variety of cell lineages. With recent development of medical sciences and tissue engineering, usage of adipose-derived mesenchymal stem cells, their culture and differentiation on suitable scaffolds are considered a...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم 1393

oct4 یکی از ژنهای مهم و کلیدی در سلولهای بنیادی است و کد کننده یک فاکتور رونویسی است که نقش کنترل بیان ژنهای مرتبط با بنیادی بودن (stemness) را به عهده دارد. با فرایند پیرایش افتراقیalternative splicing) ) حداقل سه واریانت مختلف با عملکرد متفاوت از این ژن سنتز میگردد. عمده ترین نقش این ژن کنترل پرتوانی (pluripotency) و خود باز آفرینی (self-renewal) در سلولهای بنیادی است، بطوریکه بیان این ژن نشا...

Journal: :journal of skin and stem cell 0
ayoob rostamzadeh department of anatomical sciences, faculty of medicine, shahrekord university of medical sciences, shahrekord, iran maryam anjomshoa department of anatomical sciences, faculty of medicine, shahrekord university of medical sciences, shahrekord, iran soleiman kurd school of advanced technologies in medicine, shahid beheshti university of medical sciences, tehran, iran jia-ke chai department of burn and plastic surgery, burn and plastic hospital of pla general hospital, beijing, china faeze jahangiri skin and stem cell research center, tehran university of medical sciences, tehran, iran mohammad ali nilforoushzadeh skin and stem cell research center, tehran university of medical sciences, tehran, iran; skin diseases and leishmaniasis research center, isfahan university of medical sciences, isfahan, iran; skin and stem cell research center, tehran university of medical sciences, tehran, iran. tel: +98-2122201710, fax: +98-2122239264, e-mail:; mohammad ali nilforoushzadeh, skin and stem cell research center, tehran university of medical sciences, tehran, iran. tel: +98-2122201710, fax: +98-2122239264

conclusions although the aforementioned challenges must still be addressed, the potential of wjmscs in skin regenerative clinical treatments is promising. results similar to bone marrow mscs, wjmscs express major histocompatibility complex (mhc) class i molecules. evidence acquisition according to research conducted by various researchers, wharton’s jelly mesenchymal stem cells (wjmscs) have se...

Introduction: Oxygen tension is one of the most important stimuli in stem cell biology. In this study, we investigate the considerable influence of hypoxia on CX43 gene expression as one of the most important gap junction on the surface of mesenchymal stem cells. Methods: Mesenchymal stem cells were isolated from C57BL/6 mouse bone marrow and cultured in DMEM medium under low oxygen tension (...

Journal: :avicenna journal of phytomedicine 0
abdorrahim absalan department of clinical biochemistry, faculty of medical sciences, tarbiat modares university, tehran, iran seyed alireza mesbah-namin department of clinical biochemistry, faculty of medical sciences, tarbiat modares university, tehran, iran taki tiraihi department of anatomical sciences, faculty of medical sciences, tarbiat modares university, tehran, iran taher taheri shefa neuroscience research center, khatam alanbia hospital, tehran, iran.

objective: the aim of this study was to estimate the cheminformatics and qualitative structure-activity relationship (qsar) of cinnamaldehyde and eugenol. the effects of cinnamaldehyde and eugenol on the viability, doubling time and adipogenic or osteogenic differentiations of human adipose-derived mesenchymal stem cells (hascs) were also investigated.  materials and methods: qsar and toxicity ...

Journal: :iranian journal of basic medical sciences 0
sajad sahab negah histology and embryology group, basic science department, faculty of veterinary medicine, shiraz university, shiraz, iran shefa neuroscience research center, khatam alanbia hospital, tehran, iran hadi aligholi department of neuroscience, school of advanced medical sciences and technologies, shiraz university of medical sciences, shiraz, iran zabihollah khaksar histology and embryology group, basic science department, faculty of veterinary medicine, shiraz university, shiraz, iran hadi kazemi pediatric department, medical faculty, shahed university, tehran, iran sayed mostafa modarres mousavi shefa neuroscience research center, khatam alanbia hospital, tehran, iran

objective(s): in order to grow cells in a three-dimensional (3d) microenvironment, self-assembling peptides, such as puramatrix, have emerged with potential to mimic the extracellular matrix. the aim of the present study was to investigate the influence of the self-assembling peptide on the morphology, survival, proliferation rate, migration potential, and differentiation of human meningioma st...

Journal: :modares journal of medical sciences: pathobiology 2013
mahmood bozorgmehr amir hassan zarnani ali sheikhian mojdeh salehnia ali jabbari arfaee

objective: menstrual blood stromal stem cells (mbscs) share some phenotypic and functional similarities with mesenchymal stem cells (mscs). mscs are shown to inhibit either the function or generation of different immune cells, including dendritic cells (dcs). however, data regarding mbscs’ potential effects on immune system cells are elusive. here, we examine whether mbscs affect the generation...

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