نتایج جستجو برای: p cells

تعداد نتایج: 2536882  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - پژوهشکده علوم گیاهی 1390

بررسی هیستولوژیک برهم کنش های میان سلول های بنیادی مزانشیمی رت ویستار با داربست لثه انسان در شرایط in vitro مقدمه: اهمیت مهندسی بافت در دندانپزشکی برگرفته از نیازهای بیشمار آن در بافتهای حفره دهانی از جمله استخوان، غضروف، مخاط دهانی، پالپ و غدد بزاقی میباشد. با اینکه چندین نوع داربست از جمله ماتریکس های کلاژنی و درم سلولزدایی شده انسان برای مهندسی بافت دهان تولید شدهاند، اما هیچ کدام از داربست...

Background: Multiple myeloma (MM) is a malignant plasma cell proliferative disorder with limited immunotherapy treatment because of T cell dysfunction. Objective: To investigate the immunomodulatory function of bone marrow mesenchymal stromal cells (MM-BMSCs) on CD8+ T cells. Methods: Proliferation and cytotoxicity were detected by c...

Journal: :avicenna journal of medical biotechnology 0

background: the definitive endoderm (de) differentiation using the undefined media and non-human feeders can cause contaminations in the generated cells for therapeutic applications. therefore, generating safer and more appropriate de cells is needed. this study compared five different methods to establish an appropriate method for inducing an efficient de differentiation from human induced plu...

Journal: :iranian journal of allergy, asthma and immunology 0
mojgan ghaedi department of immunology, school of public health, tehran university of medical sciences, tehran, iran hayedeh namdari department of immunology, school of medicine, shiraz university of medical sciences, shiraz, iran parisa rahimzadeh department of immunology, school of public health, tehran university of medical sciences, tehran, iran sahar morteza gholi department of immunology, tabriz university of medical sciences, international campus (aras), jolfa, tabriz, iran maryam azimi mohamadabadi department of immunology, school of medicine, tehran university of medical sciences, tehran, iran eisa salehi department of immunology, school of medicine, tehran university of medical sciences, tehran, iran

an appropriate differentiation of distinct human cd4+ t cell subset is critical for manipulating these cells for using in immunity related diseases. despite various attempts to clarify the role of different factors involved in th17 differentiation, many crucial contradictions yet remained to be optimized. although it has been shown that the differentiation of in-vitro th17 cells culture conditi...

Journal: :iranian journal of immunology 0
zeynab aliyari stem cell research center forogh alemi stem cell research center balal brazvan tissue engineering research group, advanced research school, tabriz university of medical sciences, tabriz, iran hamid tayefi nasrabadi tissue engineering research group, advanced research school, tabriz university of medical sciences, tabriz, iran hojjatollah nozad charoudeh stem cell research center

background: umbilical cord blood (ucb) is an alternative source of hematopoietic stem cell transplantation (hsct), used in leukemia treatment. cd26+ cells, a fraction of cd34 positive cells, are a major population of ucb cells which negatively regulate the in vivo homing and engraftment of hscs. cd26 is highly expressed in various cells such as hscs, immune cells, fibroblasts, and epithelial ce...

Journal: :international journal of reproductive biomedicine 0
maryam hosseinzadeh shirzeily parichehr pasbakhsh fardin amidi kobra mehrannia

background: recent publications about differentiation of stem cells to germ cells have motivated researchers to make new approaches to infertility. in vitro production of germ cells improves understanding differentiation process of male and female germ cells. due to the problem of using embryonic stem cells (esc), it’s necessary the mentioned cells be replaced with some adult multi-potent stem ...

Journal: :avicenna journal of phytomedicine 0
mohamad ali geryani department of pharmacology, school of medicine, mashhad university of medical sciences, mashhad, iran davood mahdian department of pharmacology, school of medicine, mashhad university of medical sciences, mashhad, iran seyed hadi mousavi pharmacological research center of medicinal plants, school of medicine, mashhad university of medical sciences, mashhad, iran. azar hosseini pharmacological research center of medicinal plants, school of medicine, mashhad university of medical sciences, mashhad, iran

objective: perovskia abrotanoides karel, belongs to the family lamiaceae and grows wild alongside the mountainous roads inarid and cold climate of northern iran. the anti-tumor activity of p. abrotanoides root extract has been shown previously. this study was designed to examine in vitro anti-proliferative and pro-apoptotic effects of flower extract of p. abrotanoides on mcf-7 and hela cell lin...

Background: The significance of cTfh cells and their subsets in atherosclerosis is not well understood. We measured the frequency of cTfh subsets in patients with different degrees of stenosis using flow-cytometry. Methods: Participants included high (≥50%; n = 12) and low (<50%; n = 12) stenosis groups, as well as healthy controls (n = 6). Results: The frequency of CCR7loPD-1hiefficient-cTfh w...

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