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Stem Cell Isolation

In The Name of God. Stem Cell Isolation. Nozad H. Stem cell workshop Stem cell Research center Tabriz medical university. Isolation of ESCs. 1. Removing the outer trophectodermal cells by lysing using an antibody/complement reaction (“ immunosurgery ”).

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Stem Cell Isolation

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  1. In The Name of God Stem Cell Isolation Nozad H. Stem cell workshop Stem cell Research center Tabriz medical university

  2. Isolation of ESCs 1. Removing the outer trophectodermalcells by lysing using an antibody/complement reaction (“immunosurgery”). 2. Direct plating of the blastocyst without removal of the trophectoderm, but later requires the inner cell mass (ICM) cells away from the trophectodermal cells in vitro. 3. In human routinly doing by IVF

  3. Classic markers for evaluation of ESCs 1. Transcription markers: Nanogand Oct-4 2. Surface antigen stage–specific(SSEA3/4), tumor rejection antigen (TRA) 1-60, and TRA 1-81

  4. Isolation of Mesenchaimal stem cell

  5. Hematoppoietic stem cell isolation • It is 0.03% in bone marrow • Because of very low it should first enriched or deplet. Using MACS column for enrichment by pan surface marker: C-Kit in mice and CD34 in human Bind to a beads

  6. Hematopoietic stem cell isolation 2. Depletion using dayna bead and magnet

  7. Hematopoietic stem cell isolation Sorting by FACS sorter

  8. Neural stem cell isolation 1. The enzymatic digestion is a critical step because it affects directly to the NSPc survival rate. 2. The most common method for excluding the dead cells is passing the suspension through fire polished glass pipettes. 12-20 h.

  9. Umblical Cord blood stem cell 1. Isolating mononucleur cell by ficoll paque gradiant

  10. Umblical cord blood stem cell isolation 2. Enrichmet the CD34+ cells or CD133+ cells by magnetic beads Using MACS column 3. Sorting the specific population

  11. Final point The cell sorting by FACS is the best manner for Isolation of Stem cells because of high purity

  12. Thank you very much for your attention Good Luck

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