نتایج جستجو برای: human stem cells

تعداد نتایج: 2726052  

ژورنال: پژوهش در پزشکی 2013
رمضانی تهرانی, فهیمه, زرنانی, امیر حسن, طباطبایی, معراج, عارفی, سهیلا, مصفا, نریمان, میرزادگان, ابراهیم, نیکو, شهره, کشاورزی, بهاره,

Abstract Background: Human amniotic epithelial cells (hAECs) have been introduced as a valuable source of stem cells with therapeutic applications. Despite the extensive study and emerging evidence, cell surface marker signature of hAECs remained controversial. The aim of the present study was to establish an efficient and optimized isolation procedure of hAECs and their characterization in ter...

Discovering a cell type with the highest efficiency and the least side-effects is one of the priorities of scientists active in this field. Of all the cells, mesenchymal stem cells have been and still are of interest to the researchers for use in pre-clinical and clinical studies due to being easily accessible, pluripotency, secretion of numerous growth factors, low risk of immunological reject...

A Taei H Baharvand M Hatami M Soleimani

Human embryonic stem (ES) cells are undifferentiated pluripotent cells derived from the inner cell mass of blastocyst stage embryos. These unique cell lines have the potential to form virtually any cell type in the body and can be propagated in vitro indefinitely in an undifferentiated state. These cells are capable of forming embryoid bodies (EB) that contain cells from all three embryonic lin...

Objective(s):Cardiomyocytes have small potentials for renovation and proliferation in adult life. The most challenging goal in the field of cardiovascular tissue engineering is the creation of an engineered heart muscle. Tissue engineering with a combination of stem cells and nanofibrous scaffolds has attracted interest with regard to Cardiomyocyte creation applications. Human adipose-derived s...

Journal: :international journal of pediatrics 0
jalil tavakol afshari professor of allergy and immunolgy medical school, mashhad university of medical sciences, mashhad, iran.

the ability to culture human stem cells long term, and possibly indefinitely, and to control how such cells specialise to form the different tissues of the body offers the possibility of major advances in healthcare. stem cells have been isolated and cultured, but a great deal of research is required to develop cell lines which can generate replacement cells and tissues to treat many diseases.s...

AS Curtis H Nikukar MJ Dalby S Reid

Introduction: Mechanical stimulation of human mesenchymal stem cells has demonstrated changes in many cell behaviours such as adhesion, migration, growth and differentiation through mechanotransductive pathways. These include experiments on effect of nanotopography 1, shear stress, stiffness of extracellular matrix 2, strain, stress and acoustic wave energy 3 on cells. In this research we wer...

ژورنال: Anatomical Sciences Journal 2007
Bahar Vand, Hosein, Poornasr Khakbaz, Behshad,

There are two main categories for stem cells a cording to their origin: Embryonic Stem Cells and Adult Stem Cell. Mesenchymal stem cell, supporting hematopoetic stem cells in bone marrow, can regenerate tissues such as bone, cartilage, muscle, tendon and fatty tissue. These cells were recognized for the first time by Friedenstein and Petrokova who could isolate theme from rat bone marrow.Mesenc...

Journal: :international journal of reproductive biomedicine 0
azadeh esmaeli mojgan moshrefi ali shamsara seyed hasan eftekhar-vaghefi seyed noureddin nematollahi-mahani

abstractbackground: fetal bovine serum (fbs) is widely used in cell culture laboratories,risk of zoonotic infections and allergic side effects create obstacles for its use inclinical trials. therefore, an alternative supplement with proper inherent growthpromotingactivities is demanded.objective: to find fbs substitute, we tested human umbilical cord blood serum(hucs) for proliferation of human...

Journal: :anatomical sciences journal 0
narges talebian kazem parivar laya kafami mohsen marzban maryam shirmohammadi mohammad taghi joghataei

introduction: bone marrow (bm) is a known source of mesenchymal stem cells (mscs) that are used for cell therapy. this study attempts to identify if the wharton’s jelly (wj) is a suitable substitute for bm as a source for mscs. materials and methods: a population of human wj and bm stem cells were isolated and incubated with fluorescein conjugated antibodies for five specific msc markers. cell ...

Mohammadreza Talebi Ardakani, Alireza Rafiei, Behzad Houshmand, Mohammadali Rouzegar, Mohammadreza Abrishami, Omolbanin Amjadi,

Background: Periodontal ligament stem cells (PDLSCs) are considered as a type of mesenchymal stem cell that is beneficial target for numerous clinical applications in periodontal tissue regeneration therapy. Materials and Methods: This study examined the effects of dexamethasone (Dex) on human PDLSCs in vitro. PDLSCs obtained from the roots of patient’s teeth were cultured with Dex (0....

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