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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...

Stem Cell Therapy for Tissue Regeneration

Stem Cell Therapy for Tissue Regeneration

Stem cell therapy is a method used in regenerative medicine to repair and restore function to damaged tissues and organs. Stem cells have the potential to proliferate and differentiate into various tissue types, making them ideal candidates for tissue regeneration. For example, hematopoietic stem cell transplants are commonly used in blood cancer treatment to replenish damaged bone marrow and restore healthy blood cells.
Types of Stem Cells used in Stem Cell Therapy
The two main cell types that...

Regulation of Hematopoietic Stem Cells

Regulation of Hematopoietic Stem Cells

All blood and immune cells are produced from the multipotent hematopoietic stem cells (HSCs) by the process of hematopoiesis. However, they all have a limited life span. In addition, many are depleted in immune surveillance or combatting an injury or infection. This makes blood one of the most regenerative tissues. Hematopoiesis helps replenish these blood and immune cells, restoring the body's normal functioning. However, overproduction of blood and immune cells can make them cancerous or...

Source And Potency Of Stem Cells

Source And Potency Of Stem Cells

Stem cells are undifferentiated cells with extensive self-renewal properties that help them maintain their population during the fetal and adult stages of life. They can specialize in all cell types of the human body. However, their differential potential may vary and can be classified into five types. Stem cells can be (1) Totipotent, (2) Pluripotent, (3) Multipotent, (4) Oligopotent, and (5) Unipotent. Each stem cell has a specific origin; the fertilized egg or zygote is a totipotent cell and...

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Emerging technologies and developing countries: stem cell research regulation and Argentina.

Shawn H E Harmon¹

¹University of Edinburgh, Old College, South Bridge, Edinburgh EH8 9YL, United Kingdom. shawn.harmon@ed.ac.uk

Developing World Bioethics

|January 15, 2009

Summary

This study examines ethical concerns in human embryonic stem cell research and cloning. Argentina

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Area of Science:

Biotechnology and Bioethics
Stem Cell Research Ethics
Societal Implications of Scientific Advancement

Background:

Biotechnology, particularly stem cell research, raises significant social and ethical questions.
Human embryonic stem cell research and cloning present complex moral dilemmas concerning embryo and societal well-being.

Purpose of the Study:

To explore key moral concerns associated with human embryonic stem cell research and cloning.
To analyze the regulatory framework in Argentina concerning these ethical issues.
To assess the translation of moral values into effective governance in stem cell research.

Main Methods:

Qualitative analysis of ethical concerns in stem cell research and cloning.
Examination of regulatory instruments in Argentina.
Comparative assessment of moral positions and practical rules.

Main Results:

Identified significant moral concerns regarding embryo welfare and societal impact.
Found that Argentina's regulatory framework inadequately addresses these ethical considerations.
Discrepancies exist between underlying moral values and implemented stem cell research governance.

Conclusions:

Argentina's current stem cell research governance is insufficient.
The regulatory system fails to consistently reflect the moral positions on embryonic stem cell research and cloning.
Effective governance is needed to align with the country's activity in this field.