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Embryonic Stem Cells

Embryonic Stem Cells

Embryonic stem (ES) cells were first discovered in mice in 1981 by Martin Evans. In 1998, James Thomson identified a method to isolate embryonic stem cells from humans. Human embryonic stem cells (hESCs) are obtained from 3-5 day old embryos that remain unused after an in vitro fertilization procedure.
ES cells are grown in a culture medium where they can divide indefinitely, creating ES cell lines. Under certain conditions, ES cells can differentiate, either spontaneously into a variety of...

Embryonic Stem Cells

Embryonic Stem Cells

Embryonic stem (ES) cells are undifferentiated pluripotent cells, meaning they can produce any cell type in the body. This gives them tremendous potential in science and medicine since they can generate specific cell types for use in research or to replace body cells lost due to damage or disease.

Stem Cell Culture

Stem Cell Culture

Stem cell research aims to find ways to use stem cells to regenerate and repair cellular damage. Over time, most adult cells undergo the wear and tear of aging and lose their ability to divide and repair themselves. Stem cells do not display a particular morphology or function. Adult stem cells, which exist as a small subset of cells in most tissues, keep dividing and can differentiate into a number of specialized cells generally formed by that tissue. These cells enable the body to renew and...

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Derivation of Stem Cell Lines from Mouse Preimplantation Embryos

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Creating embryos for use in stem cell research.

¹Division of Medical Ethics, Harvard Medical School, USA.

The Journal of Law, Medicine & Ethics : a Journal of the American Society of Law, Medicine & Ethics

|June 29, 2010

Summary

This summary is machine-generated.

This paper examines the ethical justification for restricting the creation of human embryos specifically for stem cell research. It considers the policy

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Area of Science:

Bioethics
Stem Cell Research

Background:

Current policies restrict the creation of human embryos solely for research purposes.
The Obama administration's policy maintains this restriction, potentially for political reasons.
Public opposition exists regarding the creation of embryos for research.

Purpose of the Study:

To ethically evaluate the restriction on creating human embryos for stem cell research and destruction.
To analyze the ethical underpinnings of current policies, separate from political considerations.

Main Methods:

Ethical analysis of embryo research policies.
Review of arguments for and against embryo creation for stem cell derivation.

Main Results:

The ethical justification for the restriction remains a critical, unresolved issue.
Policy decisions may be influenced by political factors rather than ethical consensus.

Conclusions:

The ethical debate surrounding human embryo research for stem cells requires ongoing consideration.
Further deliberation is needed to establish a robust ethical framework for such research.