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Notes Format. Title of Powerpoint Title of Slide Summary of Information on slide Title of Slide Summary of Information on slide Title of Slide Summary of Information on Slide Questions and Answers from assignment at end of Powerpoint TURN IN!. Stem Cells and Stem Cell Therapy.

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  1. Notes Format Title of Powerpoint Title of Slide Summary of Information on slide Title of Slide Summary of Information on slide Title of Slide Summary of Information on Slide Questions and Answers from assignment at end of Powerpoint TURN IN!

  2. Stem Cells and Stem Cell Therapy Biology Ms. Susan Chabot 2013-2014

  3. Stem Cells Fall Into 3 Categories Cord Blood Stem Cells • Multipotent • Can become a limited number of different cell types in the body. • Found in the umbilical cord of newborn mammals. • Can be extracted and cultured for a variety of different therapeutic uses. Embryonic Stem Cells • Totipotent = single-celled embryo • Pluripotent = 5-7 day old embryo • Can become ANY of the 200+ cells in the body. • Found early after fertilization of an egg by sperm. • The younger the cell, the more options the cell has. Adult Stem Cells • Can only become a single cell line in the body. • Found in your body right now. • Allows for the creation of new skin, blood, bone, and other cells needed for growth and repair.

  4. The Controversy EMBRYONIC • Harvesting embryonic stem cells results in the destruction of the embryo. • When does life begin? At conception? When the fetus can survive on own? At 40 weeks? CORD BLOOD • Currently, having a baby to harvest cord blood to save another child’s life. ADULT • No controversy • We can now reprogram an ADULT stem cell into and EMBRYONIC stem cell through chemistry. These are called iPS = Induced Pluripotent Stem Cells.

  5. TEXT ASSIGNMENT Read Stem Cells and Development and Frontiers in Stem Cell Researchpage 294-297 Do Questions page 297 #2a,2b, 3a

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