Stem cells is a type of cell that can differentiate (alter, transform) and form different tissues in the body. This is a special capacity because the other cells can generally only be part of a specific tissue (for example skin cells can only constitute skin). Another special ability of stem cells is self-replication, which means that they can produce identical copies of themselves.
Because of these two abilities, stem cells are the subject of intense research today, it could in future act as replacement cells in injured or diseased tissues, as in cases of Alzheimer, Parkinson and neuromuscular diseases in general, or replace cells that the body stops producing for some deficiency, as in the case of diabetes.
Adult stem cells are present in bone marrow, blood, liver, umbilical cord and so on. Scientists still tries to preview what kind of adult cell, a specific stem cell will become. It is known of its replication capability, but it is unknown what their limitations as transplants and for genetic diseases. In other words, it will take longer research efforts and long-term investments until an effective therapy with these cells present results. But when it comes to scientific research, any new fact, any new discovery can completely alter the current situation, and many steps can be overcome in a short time.
On the other side, embryonic stem cells, can turn into any human tissue (cell), but researches with those type of cells happens only in countries that allow this type of
Stem cells are used in treating different diseases because embryonic cells can form into the cell type needed, then those cells replace the ones that were damaged by the disease. They can be used in a bone marrow transplant.
The hysteria of the time affected the outcome of the Rosenberg case. It is clear that Julius was guilty, but Ethel's participation was greatly exaggerated which caused her wrongful conviction. Julius found a passion for radical politics early in his life, while Ethel had a passion for theatre and music. That led her to sing at a Young Communist League benefit, where she met Julius in 1936. They married on June 8, 1939.
First of all an understanding of what a stem cell is, where it comes from, and the significance of it's medical potential is essential. Stem cells are the "master cells" that form the human body or whatever other animal it is from. Stem cells can be extracted from adult tissues, bone marrow, umbilical cord blood ( ), and embryos in the blastocyst stage. Although scientists have found ways to manipulate the stem cells from adult sources into other types of cells, they claim that they are less capable of deriving the desired tissue and are not "biologically equivalent" ( ) to stem cells extracted from embryos.
We've known for some time that bone-marrow stem cells can make more blood, but now we know that these adult stem cells can also make bone, muscle, cartilage, heart tissue, liver, and even brain. Interestingly enough, we now know that our brain contains stem cells which can be stimulated to make more neurons, or to take up different job descriptions as muscle or blood. Bone marrow and cord blood are already successfully being used clinically, while clinical use of embryonic stem cells is years away. Current clinical applications of adult stem cells include treatments for cancer, arthritis, lupus, and making new corneas, to name a few.
Stem cells are different from normal cells because they don't have a specific type. They can become any cell. Since now a days many organs are in high demand and a matter of life or death for some people, it is important for medical research.
Those who favour stem cell research are optimistic about the continued developments in stem cell research will open doors to many breakthrough discoveries in biomedical science. The scientific and ethical questions arise as rapidly as the reaching of milestones in stem cell research. There are two main types of stem cells, namely embryonic stem cells and adult stem cells. Adult stem cells are
Stem cells are cells in the body that can become many other parts of the body. They are a very important part of the body and the way it functions. Stem cell research has been studied for many years but the findings have recently been applied to the real world. With the new discoveries from stem cells, clinical trials can be more accurate and cost effective. The stem cells can be reprogramed and sent to parts of the body to help repair cell damage in the body, giving them the name the black box of reprogramming. Stem cells can also be used to help cure cancers and other diseases like Alzheimer and Parkinson. Some think that stem cell research is wrong and goes against their religious beliefs.
Since stem cells from embryos can can make copies of itself and any kind of tissue, their importance is magnificent. The reason why stem cell research is such a big deal, is that stem cells may have the possibility to repair any body tissue and treat diabetes and heart disease ("Stem Cell Controversies"). " 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 alive" ("Stem Cell Basics"). There is also a possibility to make spare organs and body parts. Stem cells can produce human tissue got diseases that involve the breaking down of human cells, such as cancer ("Stem Cell Research").
Scientists need the opportunity for research and they have researched that stem cells can do a lot of things such as having the potential to treat many diseases. (Devitt 14)
Stem cell research can be used in a multitude of way in which the main once being to treat disease. Scientists can use stem cells as a way of monitoring and learning about how some organisms can develop. Because of its ability to renew themselves, stem cells can be used to help treat and cure disease. They can also be used to study some diseases and further advancements in new medical
Once the child is born, adult stem cells in the tissues carry-out the necessary growth throughout their life (“What are Some Different Types of Stem Cells?”). Embryonic stem cells can be acquired from an abortion or fertilized eggs left over from in vitro fertilization, which is a process that joins a woman’s egg and a man’s sperm in a laboratory and once it is fertilized, the embryo is injected back into the woman’s womb. Adult stem cells are cells that are for specific cell types, like blood, skin, and muscle, and despite the name, adult cells are in children as well as adults (“Stem Cells Research”). They are limited to the possible cell types that they can become due to their tissue of origin, where as the embryonic stem cells are unlimited to any cell type in the body. There are restraints to the possible uses of adult stem cells due to the fact that they are limited to the number of cell types that they can form and they are difficult to extract from the tissue because they are not abundant (“Stem Cell Information” 5). Stem cells allow for our bodies to repair damaged cells and replicate into different cell types to allow growth throughout our life.
1. What Are Stem Cells? According to the IB-guides website, they are cells that have not been fully differentiated, however, they have the ability to divide and differentiate into different types of cells. For example a stem cell can differentiate into a brain cell, or a blood cell.
Stem cell research is the key to profound advances in medicine that were previously unthinkable. Cure and treatment for serious diseases and major injuries are being created. New organ and tissue can be created. New drug testing will lead to safer medicine and more side effects will be spotted before the reach the market. Stem cell research is an important step to further medical
What are Stem Cells? Stem cells are the basis for every organ and tissue in our body. They can duplicate themselves and change into more detailed cells. All these cells differ in what they can and cannot do, and they also differ in the conditions in which they can and cannot do specific things.
Embryonic stem cells which can be taken from the embryo. According to the National Institutes of Health (2016), “Embryonic stem cells are derived from embryos. Most embryonic stem cells are derived from embryos that develop from eggs that have been fertilized in vitro and then donated for research purposes with informed consent of the donors.” These cells can develop and form any tissues in a living organism. The adult stem cells are cells of the body. The National Institutes of Health 92016) states “The adult stem cell can renew itself and can differentiate to yield some or all of the major specialized cell types of the tissue or organ. The primary roles of these cells are to maintain and repair the tissue in which they are found.” The adult stem cells are found in many tissues and organ systems in children and adults. Lastly, the induced pluripotent stem cells are genetically modified and reprogramed cells to embryonic stem cells. They are divided and grown in a laboratory