نتایج جستجو برای: DBMEx vivo expansionMBA scaffoldUCB-CD34 USSC cells

تعداد نتایج: 1584164  

Journal: :iranian journal of basic medical sciences 0
zahra sadat hashemi department of medical biotechnology, faculty of medical sciences, tarbiat modares university, tehran, iran mahdi forouzandeh moghadam department of medical biotechnology, faculty of medical sciences, tarbiat modares university, tehran, iran masoud soleimani department of hematology, faculty of medical sciences, tarbiat modares university, tehran, iran

objective(s): ex vivo expansion of hematopoitic stem cells is an alternative way to increase umbilical cord blood (ucb)-cd34+ cells for bone marrow transplantation. for this purpose demineralized bone matrix (dbm) and mineralized bone allograft (mba) as two scaffolds based on bone matrix and stem cell niche, were simultaneously used to enhance the effect of human mesenchymal progenitor cells (m...

Journal: :modares journal of medical sciences: pathobiology 2010
nader vazifeh shiran masoud soleimani yousef mortazavi saeed kaviani hassan aboulghasemi

objective: allogeneic transplantation with umbilical cord blood (ucb) in adult recipients is limited mainly by a low cd34+ cell dose. to overcome this shortcoming, human placenta as a novel source of human mesenchymal progenitor cell (mpc)- unrestricted somatic stem cells (ussc)- was incorporated in an attempt to expand cd34+ cells from ucb. to provide a similar environment in vitro, we coated ...

امیری زاده, ناصر, حفیظی, مریم, سلیمانی, مسعود, فروزنده مقدم, مهدی, هاشمی, زهراالسادات,

Background: Bone Marrow Transplantations (BMT) are limited by low CD34+ cell counts in umbilical cord blood (UCB) and these cells need to be expanded for success in such procedures. To achieve this goal, ex vivo expansion of hematopoietic stem cells (HSCs) by enhancing their self-renewal activity on demineralized bone matrix (DBM) scaffold coated with mesenchymal progenitor cells (MPCs) and unr...

Mahdi Forouzandeh Moghadam Masoud Soleimani, Zahra Sadat Hashemi,

    Objective(s): Ex vivo expansion of hematopoitic stem cells is an alternative way to increase umbilical cord blood (UCB)-CD34+ cells for bone marrow transplantation. For this purpose demineralized bone matrix (DBM) and mineralized bone allograft (MBA) as two scaffolds based on bone matrix and stem cell niche, were simultaneously used to enhance the effect of human mesenchymal pro...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1387

چکیده مقدمه: پیوند آلوژنیک با خون بند ناف در بالغین عمدتاً به علت دوز پایین سلولهای cd34+ دارای محدودیت هایی است. برای غلبه براین محدودیت، می-بایست این سلولها مورد تزاید قرار بگیرند که جفت انسان به عنوان منبع جدیدی از سلولهای پروژنیتور مزانشیمی یعنی سلولهای بنیادی سوماتیک غیرمحدود شده(ussc) ، مورد بررسی و کاربری جهت استفاده به عنوان لایه مغذی برای سیستم کشت دکستر جهت تزاید سلولهای cd34+ خون ب...

2013
Zahra Sadat Hashemi Mahdi Forouzandeh Moghadam Masoud Soleimani

OBJECTIVE(S) Ex vivo expansion of hematopoitic stem cells is an alternative way to increase umbilical cord blood (UCB)-CD34+ cells for bone marrow transplantation. For this purpose demineralized bone matrix (DBM) and mineralized bone allograft (MBA) as two scaffolds based on bone matrix and stem cell niche, were simultaneously used to enhance the effect of human mesenchymal progenitor cells (MP...

Journal: :Stem cell research 2010
Stefanie Liedtke Anja Buchheiser Julia Bosch Frank Bosse Fabian Kruse Xiaoyi Zhao Simeon Santourlidis Gesine Kögler

Mesenchymal stem cells (MSC) have been isolated from almost every adult tissue. In cord blood (CB), different non-hematopoietic CD45-, CD34- adherent cell populations can be generated: the cord blood derived MSC (CB-MSC), that behave almost like MSC from bone marrow (BM-MSC), and unrestricted somatic stem cells (USSC) which show a distinct differentiation potential into all three germ layers. H...

ژورنال: :مجله دانشکده پزشکی دانشگاه علوم پزشکی تهران 0
زهراالسادات هاشمی hashemi zs دانشکده پزشکی، دانشگاه تربیت مدرس، تهران مهدی فروزنده مقدم forouzandeh moghadam m دانشکده پزشکی، دانشگاه تربیت مدرس، تهران مسعود سلیمانی soleimani m دانشکده پزشکی، دانشگاه تربیت مدرس، تهران مریم حفیظی hafizi m مرکز تحقیقات فناوری بنیاخته، تهران ناصر امیری زاده amirizadeh n مرکز تحقیقات سازمان انتقال خون، تهران

زمینه و هدف: خون بندناف در پیوند مغز استخوان، به علت دوز پایین سلول های cd34+ دارای محدودیت هایی است که می بایست این سلول ها مورد تزاید قرار گیرند. تکثیر سلول های بنیادی با استفاده از افزایش فعالیت خود تکثیری آن ها در شرایط آزمایشگاهی روی داربست dbm (ماتریکس استخوانی معدنی زدا شده) پوشیده شده با سلول های پروژنیتور مزانشیمی یعنی سلول های بنیادی سوماتیک غیر محدود شده (ussc) پیشنهاد می شود. مسیر t...

A HAJIFATHALI, AA POURFATHOLLAH, H MOZDARANI, K ALIMOGHADDAM, M SOLElMANI, Y MORTAZAVI, Z ZONOBI,

Ex vivo expansion of human umbilical cord blood cells (HUCBC) is explored by several investigators to enhance the repopulating potential of HUCBC. The proliferation and expansion of human hematopoietic stem cells (HSC) in ex vivo culture was examined with the goal of generating a suitable clinical protocol for expanding HSC for patient transplantation. Using primary human mesenchymal stem ...

Journal: :medical journal of islamic republic of iran 0
m solelmani from the hematology dept .. school of'medical sciences. tarbiat modares university, tehran h mozdarani medical genetics dept. school of medical sciences, tarbiat modares university, tehran aa pourfathollah from the hematology dept .. school of'medical sciences. tarbiat modares university, tehran y mortazavi from the hematology dept .. school of'medical sciences. tarbiat modares university, tehran k alimoghaddam bone marrow transplantation center. shariati hospital, tehran, a hajifathali the iranian blood trans(ilsion organization,tehran

ex vivo expansion of human umbilical cord blood cells (hucbc) is explored by several investigators to enhance the repopulating potential of hucbc. the proliferation and expansion of human hematopoietic stem cells (hsc) in ex vivo culture was examined with the goal of generating a suitable clinical protocol for expanding hsc for patient transplantation. using primary human mesenchymal stem cells...

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