Stem Cells: Biology and Promise for Regenerative Medicine

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Stem Cells: Biology and Promise for Regenerative Medicine
Elaine Fuchs, Jan. 2007
Rockefeller University

Lecture Overview
During embryogenesis, a single fertilized oocyte gives rise to a multicellular organism whose cells and tissues have adopted differentiated characteristics or fates to perform the specified functions of each organ of the body. As embryos develop, cells that have acquired their particular fate proliferate, enabling tissues and organs to grow. Even after an animal is fully grown, however, many tissues and organs maintain a process known as homeostasis, where as cells die, either by natural death or by injury, they are replenished. This remarkable feature has ancient origins, dating back to the most primitive animals, such as sponges and hydrozoans. The fabulous ability of an embryo to diversify and of certain adult tissues to regenerate throughout life is a direct result of stem cells, nature's gift to multicellular organisms.
Part 1: Introduction to Stem Cells and Ethical Issues (35:11)

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Part 2: Tapping the Potential of Adult Stem Cells, and Summary (1:17:03)

Speaker Bio    Related Articles

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Lecture Overview During embryogenesis, a single fertilized oocyte gives rise to a multicellular organism whose cells and tissues have adopted differentiated characteristics or fates to perform the specified functions of each organ of the body. As embryos develop, cells that have acquired their particular fate proliferate, enabling tissues and organs to grow. Even after an animal is fully grown, however, many tissues and organs maintain a process known as homeostasis, where as cells die, either by natural death or by injury, they are replenished. This remarkable feature has ancient origins, dating back to the most primitive animals, such as sponges and hydrozoans. The fabulous ability of an embryo to diversify and of certain adult tissues to regenerate throughout life is a direct result of stem cells, nature's gift to multicellular organisms.	Part 1: Introduction to Stem Cells and Ethical Issues (35:11) Click image above to start seminar in 320x240 format Click here to view in larger 640x480 format* QuickTime 7 Required 640x480 System Requirements (there may be a few seconds delay before seminars start) Downloads in alternative formats:* (To Save, Right Click a link below and select "Save Target/Link As") QuickTime (66mb) MP4 (404mb) iPod Video (404mb) Format Descriptions Download Accelerator/Resume Broken Downloads Software
Part 2: Tapping the Potential of Adult Stem Cells, and Summary (1:17:03) Speaker Bio Related Articles