What are Stem Cells, Embryonic SC and SC Research?
this is a topic which has been at the heart of many medical and other exalted controversial discussions however some people (including myself) don't actually fully understand what they in truth are. I have an idea however i don't know everything in detail.
is this what it is and could you please donate more detail to it.
Stem Cells
Stem cells are cells found in most, multi-cellular organisms. They hold the remarkable capacity to develop into many different cell types in the body during hasty life and growth. They have the potential to renew themselves through mitotic cell division and differnating into diverse range of specialized cell types.
In postscript they also serve an internal repair system through multi-cellular organisms, dividing essentially without limits to replenish other cells.
When a cell divides, respectively new cell has the ability to any 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 tow important characteristics. First, they are unspecialized cell capable of renewing themselves through cell division even sometimes after long periods of inactivity. Second underneath certain
Embryonic Stem Cells
Embryonic stem cells are derived from the inner cell mass of an early embryo that develop from eggs that hold been fertilized in Vitro, in an inVitoo clinic and the donated for research purposes next to informed consent of the donor. The embryos from which human embryonic stem cells are derived are around four or five days and are a hollow microscopic ball of cells call theblastocyst when they reach the stage post fertilization they consist of around 50 - 150 cells. The blastocyst structure includes 3 layers; the trophoblast, which is the covering of cells that surrounds the blastocoels, a hollow cavity inside the blastocyst; and the inner cell mass, which is a group, is cells at one end of the blastocoels that develop into the embryo.
Thank you
Answers:
You already own discussed a lot. My thinking is
Definition of Stem cell:
Stem cell: One of the human body's master cells, with the propensity to grow into any one of the body's more than 200 cell types.
All stem cells are unspecialized (undifferentiated) cells that are characteristically of the same relations type (lineage). They retain the ability to divide throughout life and give rise to cell that can become highly specialized and take the place of cells that die or are lost.
Stem cell contribute to the body's ability to renew and repair its tissues. Unlike mature cells, which are lastingly committed to their fate, stem cells can both renew themselves as well as create alien cells of whatever tissue they belong to (and other tissues).
Bone marrow stem cells, for example, are the most primitive cell in the marrow. From them all the various types of blood cell are descended. Bone marrow stem-cell transfusions (or transplants) were originally given to replace various types of blood cells.
Stem cell from bone marrow can also, quite remarkably, give rise to non-marrow cells. In a 1999 report surrounded by the journal Nature, scientists from Boston led by Dr. Louis M. Kunkel reported that they gave bone marrow transplants from commonplace mice to dystrophic mice. Some 12 weeks later about 10% of the muscle fibers in the diseased animals be making the correct form of dystrophin, the protein that is defective in Duchenne muscular dystrophy. This work suggests that bone marrow stem cells may present new ways of treating muscular dystrophy (and other non-blood diseases).
Hi,
Your answers are essentially correct - I did a big project on stem cell research so just thought I'd add for a moment more you might find useful.
HSC - Multipotent - can become multiple cells in the human body
ESC - Pleuripotent - can become almost any cell within the body
- You mention that the donor gives full permission - ensure you confirm this is the egg donor as the donor itself could mean the egg (ovum) depending on which track you look at things.
I spent alot of time trying to figure these out - so if you have any questions please email me aimee_1uk (a) yahoo . com (take out spaces - no spam please guys).
Aimee Source(s): Research project
STEM Cells own the remarkable potential to develop into many different cell types in the body during early life span and growth. In addition, in many tissues they serve as a sort of internal repair system, dividing essentially minus limit to replenish other cells as long as the person or animal is still alive. When a stem cell divides, respectively new cell has the potential either to remain a stem cell or become another type of cell near 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. First, they are unspecialized cells dexterous of renewing themselves through cell division, sometimes after long periods of inactivity. Second, under particular physiologic or experimental conditions, they can be induced to become tissue- or organ-specific cells with special functions. In some organs, such as the gut and bone marrow, stem cells regularly divide to repair and replace worn out or shabby tissues. In other organs, however, such as the pancreas and the heart, stem cells only divide under special conditions.
Until not long, scientists primarily worked with two kinds of stem cells from animals and humans: embryonic stem cell and non-embryonic SOMATIC or ADULT stem cells. The functions and characteristics of these cells will be explained in this document. Scientists discovered ways to derive embryonic stem cell from early mouse embryos nearly 30 years ago, in 1981. The detailed study of the biology of mouse stem cells lead to the discovery, in 1998, of a method to derive stem cells from human embryos and grow the cells surrounded by the laboratory. These cells are called HUMAN embroyonic stem cells. The embryos used surrounded by these studies were created for reproductive purposes through in vitro (within laboratory) fertilization procedures. When they were no longer needed for that purpose, they be donated for research with the informed consent of the donor. In 2006, researchers made another breakthrough by identifying conditions that would allow some specialized adult cell to be "reprogrammed" genetically to assume a stem cell-like state. This new type of stem cell, called INDUCED pluripotent strm cells (IPSC.
Stem cell are important for living organisms for many reasons. In the 3- to 5-day-old embryo, call a BLASTOCYST, the inner cells give rise to the entire body of the organism, including all of the abundant specialized cell types and organs such as the heart, lung, skin, sperm, eggs and other tissues. In some adult tissues, such as bone marrow, muscle, and brain, discrete populations of adult stem cells generate replacements for cell that are lost through normal wear and tear, injury, or disease.
Given their unique regenerative ability, stem cells offer new potentials for treating diseases such as diabetes, and heart disease. However, much work remains to be done contained by the laboratory and the clinic to understand how to use these cells for cell-based therapies to treat disease, which is also referred to as regenerative or reparative drug.
Laboratory studies of stem cells enable scientists to learn in the order of the cells’ essential properties and what makes them different from specialized cell types. Scientists are already using stem cells in the laboratory to eyeshade new drugs and to develop model systems to study normal growth and identify the causes of birth defect.
Research on Stem cells continues to advance knowledge more or less how an organism develops from a single cell and how healthy cells replace damaged cell in adult organisms. Stem cell research is one of the most fascinating areas of contemporary biology, but, as next to many expanding fields of scientific inquiry, research on stem cell raises scientific questions as hastily as it generates new discoveries.
EMBRYONIC STEM CELLS, as their name suggests, are derived from embryos. Most embryonic stem cell are derived from embryos that develop from eggs that have been fertilized in vitro—in an contained by vitro fertilization clinic—and then donated for research purposes with informed consent of the donors. They are not derived from eggs fertilized in a woman's body. The embryos from which human embryonic stem cell are derived are typically four or five days old and are a hollow microscopic ball of cells call the blastocyst. The blastocyst includes three structures: the trophoblast, which is the layer of cells that surrounds the blastocoel, a hollow cavity inside the blastocyst; and the inner cell mass, which is a group of cells at one back of the blastocoel that develop into the embryo proper.
How are embryonic stem cells grown in the laboratory?
Growing cells contained by the laboratory is known as cell culture. Human embryonic stem cells are isolated by transferring the inner cell mass into a plastic laboratory culture dish that contains a nutrient broth known as culture atmosphere. The cells divide and spread over the surface of the dish. The inner surface of the culture dish Source(s): http://stemcells.nih.gov/info/basics/bas…
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is this what it is and could you please donate more detail to it.
Stem Cells
Stem cells are cells found in most, multi-cellular organisms. They hold the remarkable capacity to develop into many different cell types in the body during hasty life and growth. They have the potential to renew themselves through mitotic cell division and differnating into diverse range of specialized cell types.
In postscript they also serve an internal repair system through multi-cellular organisms, dividing essentially without limits to replenish other cells.
When a cell divides, respectively new cell has the ability to any 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 tow important characteristics. First, they are unspecialized cell capable of renewing themselves through cell division even sometimes after long periods of inactivity. Second underneath certain
Embryonic Stem Cells
Embryonic stem cells are derived from the inner cell mass of an early embryo that develop from eggs that hold been fertilized in Vitro, in an inVitoo clinic and the donated for research purposes next to informed consent of the donor. The embryos from which human embryonic stem cells are derived are around four or five days and are a hollow microscopic ball of cells call theblastocyst when they reach the stage post fertilization they consist of around 50 - 150 cells. The blastocyst structure includes 3 layers; the trophoblast, which is the covering of cells that surrounds the blastocoels, a hollow cavity inside the blastocyst; and the inner cell mass, which is a group, is cells at one end of the blastocoels that develop into the embryo.
Thank you
Answers:
You already own discussed a lot. My thinking is
Definition of Stem cell:
Stem cell: One of the human body's master cells, with the propensity to grow into any one of the body's more than 200 cell types.
All stem cells are unspecialized (undifferentiated) cells that are characteristically of the same relations type (lineage). They retain the ability to divide throughout life and give rise to cell that can become highly specialized and take the place of cells that die or are lost.
Stem cell contribute to the body's ability to renew and repair its tissues. Unlike mature cells, which are lastingly committed to their fate, stem cells can both renew themselves as well as create alien cells of whatever tissue they belong to (and other tissues).
Bone marrow stem cells, for example, are the most primitive cell in the marrow. From them all the various types of blood cell are descended. Bone marrow stem-cell transfusions (or transplants) were originally given to replace various types of blood cells.
Stem cell from bone marrow can also, quite remarkably, give rise to non-marrow cells. In a 1999 report surrounded by the journal Nature, scientists from Boston led by Dr. Louis M. Kunkel reported that they gave bone marrow transplants from commonplace mice to dystrophic mice. Some 12 weeks later about 10% of the muscle fibers in the diseased animals be making the correct form of dystrophin, the protein that is defective in Duchenne muscular dystrophy. This work suggests that bone marrow stem cells may present new ways of treating muscular dystrophy (and other non-blood diseases).
Hi,
Your answers are essentially correct - I did a big project on stem cell research so just thought I'd add for a moment more you might find useful.
HSC - Multipotent - can become multiple cells in the human body
ESC - Pleuripotent - can become almost any cell within the body
- You mention that the donor gives full permission - ensure you confirm this is the egg donor as the donor itself could mean the egg (ovum) depending on which track you look at things.
I spent alot of time trying to figure these out - so if you have any questions please email me aimee_1uk (a) yahoo . com (take out spaces - no spam please guys).
Aimee Source(s): Research project
STEM Cells own the remarkable potential to develop into many different cell types in the body during early life span and growth. In addition, in many tissues they serve as a sort of internal repair system, dividing essentially minus limit to replenish other cells as long as the person or animal is still alive. When a stem cell divides, respectively new cell has the potential either to remain a stem cell or become another type of cell near 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. First, they are unspecialized cells dexterous of renewing themselves through cell division, sometimes after long periods of inactivity. Second, under particular physiologic or experimental conditions, they can be induced to become tissue- or organ-specific cells with special functions. In some organs, such as the gut and bone marrow, stem cells regularly divide to repair and replace worn out or shabby tissues. In other organs, however, such as the pancreas and the heart, stem cells only divide under special conditions.
Until not long, scientists primarily worked with two kinds of stem cells from animals and humans: embryonic stem cell and non-embryonic SOMATIC or ADULT stem cells. The functions and characteristics of these cells will be explained in this document. Scientists discovered ways to derive embryonic stem cell from early mouse embryos nearly 30 years ago, in 1981. The detailed study of the biology of mouse stem cells lead to the discovery, in 1998, of a method to derive stem cells from human embryos and grow the cells surrounded by the laboratory. These cells are called HUMAN embroyonic stem cells. The embryos used surrounded by these studies were created for reproductive purposes through in vitro (within laboratory) fertilization procedures. When they were no longer needed for that purpose, they be donated for research with the informed consent of the donor. In 2006, researchers made another breakthrough by identifying conditions that would allow some specialized adult cell to be "reprogrammed" genetically to assume a stem cell-like state. This new type of stem cell, called INDUCED pluripotent strm cells (IPSC.
Stem cell are important for living organisms for many reasons. In the 3- to 5-day-old embryo, call a BLASTOCYST, the inner cells give rise to the entire body of the organism, including all of the abundant specialized cell types and organs such as the heart, lung, skin, sperm, eggs and other tissues. In some adult tissues, such as bone marrow, muscle, and brain, discrete populations of adult stem cells generate replacements for cell that are lost through normal wear and tear, injury, or disease.
Given their unique regenerative ability, stem cells offer new potentials for treating diseases such as diabetes, and heart disease. However, much work remains to be done contained by the laboratory and the clinic to understand how to use these cells for cell-based therapies to treat disease, which is also referred to as regenerative or reparative drug.
Laboratory studies of stem cells enable scientists to learn in the order of the cells’ essential properties and what makes them different from specialized cell types. Scientists are already using stem cells in the laboratory to eyeshade new drugs and to develop model systems to study normal growth and identify the causes of birth defect.
Research on Stem cells continues to advance knowledge more or less how an organism develops from a single cell and how healthy cells replace damaged cell in adult organisms. Stem cell research is one of the most fascinating areas of contemporary biology, but, as next to many expanding fields of scientific inquiry, research on stem cell raises scientific questions as hastily as it generates new discoveries.
EMBRYONIC STEM CELLS, as their name suggests, are derived from embryos. Most embryonic stem cell are derived from embryos that develop from eggs that have been fertilized in vitro—in an contained by vitro fertilization clinic—and then donated for research purposes with informed consent of the donors. They are not derived from eggs fertilized in a woman's body. The embryos from which human embryonic stem cell are derived are typically four or five days old and are a hollow microscopic ball of cells call the blastocyst. The blastocyst includes three structures: the trophoblast, which is the layer of cells that surrounds the blastocoel, a hollow cavity inside the blastocyst; and the inner cell mass, which is a group of cells at one back of the blastocoel that develop into the embryo proper.
How are embryonic stem cells grown in the laboratory?
Growing cells contained by the laboratory is known as cell culture. Human embryonic stem cells are isolated by transferring the inner cell mass into a plastic laboratory culture dish that contains a nutrient broth known as culture atmosphere. The cells divide and spread over the surface of the dish. The inner surface of the culture dish Source(s): http://stemcells.nih.gov/info/basics/bas…
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