نتایج جستجو برای: cord blood
تعداد نتایج: 754773 فیلتر نتایج به سال:
Cord blood hematopoietic stem cells are widely used as an alternative source for hematopoietic stem cells transplant. Increasing rate of patients who need hematopoietic stem cells transplant and many advantages of cord blood in comparison to bone marrow hematopoietic stem cells, have promoted banking of cord blood units. Cord blood banking requires accurate steps in donor selection, cord blood ...
Interest in umbilical cord blood as an alternative source of hematopietic stem cells is growing rapidly. Umbilical cord blood offers the clinician a source of hematopoietic stem cells that are readily available and rarely contaminated by latent viruses. Moreover, the collection of umbilical cord blood poses no risk to the donor. There is no need for general anesthesia or blood replacement and t...
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...
The term “cord blood” is used for blood that is drawn from the umbilical cord and the placenta after a baby is born. Up until recently this afterbirth was discarded as medical waste. Cord blood contains stem cells that may be frozen for later use in medical therapies, such as stem cell transplantation or regenerative medicine. The umbilical cord and placenta are rich sources of stem cells. Thes...
Purpose: This study was carried out to isolate mesenchymal stem cells from full-term cord blood and to differentiate these cells into osteoblastic cells. Materials and Methods: It this study, mesenchymal stem cells were isolated from cord blood and expanded by being cultured in the flask several times. First, the cord blood monoeuc1earcells were separated by ficoll - Hypac before they were cul...
background: hemoglobin (hb) and hematocrit (hct) have been used routinely in the diagnosis of neonatal anemia and polycythemia. objective: to measure the cord blood hb and hct and to determine their association with maternal hb and hct. methods : 170 healthy neonates born through normal vaginal delivery with gestation age of 37-42 wks and birth weight of 2.5-4 kg, and their mothers were inc...
background: hla compatibility between transplant donor and recipient is one of the major determinants of transplant outcome. objective: to determine hla class i by pcr- sequence-specific oligonucleotide probe (pcr-ssop) in cord blood donors. methods: genomic dna of 142 cord blood samples registered at the cord blood bank of iran at hematology, oncology, and bone marrow transplantation research ...
microrna modulation during the in vitro culture of hematopoietic stem cells prior to transplantation
background: human umbilical cord blood (hucb) is an acceptable and readily accessible source of stem cells. there is an ongoing interest in cord blood stem cell therapies; however, little is known about the possible unfavorable effects of laboratory modifications on the isolated hucb cells. the involvement of mirnas in several biological processes has been shown. the aim of this study was to ev...
background: in recent years we have successfully adopted an in vitro hepatogenic differentiation of mesenchymal stem cells (mscs). in this protocol the biologically active hepatocyte-like cells were differentiated from the stem cells isolated from either bone marrow or umbilical cord blood (ucb) samples. the aim of the present study was to compare the efficiency of the hepatogenic differentiati...
cord blood is a rich source of hematopoietic stem cells and could be potentially used for transplantation instead of conventional sources of stem cells (bone marrow or peripheral blood). cord blood cells are successfully used in pediatric and adult patients, but their major limitation is the low number of hematopoietic stem cells for patients of large body size. there are several possible solut...
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