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Stem Cell Therapy

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by 1Ohanagroup
Last updated 4 years ago

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Science
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Health & Medicine

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Stem Cell Therapy

Stem cell therapy

Introduction

By: Chelsea Wee,Jamie Ma,Shannon Leong, Ng Sue-May & Rosalyn

Ethical issues with stem cell therapy

Unique properties of stem cells

Stem cells differ from other kinds of cells in the body. All stem cells—regardless of their source—have three general properties: they are capable of dividing and renewing themselves for long periods; they are unspecialized; and they can give rise to specialized cell types.

Stem cell therapy is the use of stem cells to treat or prevent a disease or condition.The only e.g is Bone marrow transplant.Bone marrow transplant-used to treat cancer patients with conditions such as leukaemia and lymphoma; this is the only form of stem cell therapy that is widely practiced and used.

Stem cell research has been riddled with ethical questions, in part because the predominant methods being used to derive or attempt to derive human embryonic stem cells require destruction of the embryo. Nevertheless, the ethical debates surrounding human embryonic stem cell research have not been solely related to those associated with the embryo. For instance, the creation of chimeras in some stem cell research has elicited concerns. Oocyte harvesting, which is essential to the creation of human embryonic stem cells raises concerns related to safety of the donor. Other important ethical issues relate to informed consent of both donors of gametes and embryos as well as recipients of stem cells and stem cell products.

Research on stem cells continues to advance knowledge about how an organism develops from a single cell and how healthy cells replace damaged cells in adult organisms.Stem cell research is one of the most fascinating areas of contemporary biology, but, as with many expanding fields of scientific inquiry, research on stem cells raises scientific questions as rapidly as it generates new discoveries.

Research

Ethical issues with stem cell therapy

What are stem cells

Stem cells have the remarkable potential to develop into many different cell types in the body during early life and growth. In addition, in many tissues they serve as a sort of internal repair system, dividing essentially without limit to replenish other cells as long as the person or animal is still alive. When a stem cell divides, each new cell has the potential either to remain a stem cell or become another type of cell with a more specialized function, such as a muscle cell, a red blood cell, or a brain cell.Stem cells are distinguished from other cell types by two important characteristics.-They are unspecialized cells capable of renewing themselves through cell division, sometimes after long periods of inactivity.-Under certain physicologic or experimental conditions, they can be induced to become tissue- or organ-specific cells with special functions.


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