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Essay On The Adult Stem Cells
embryonic and adult stem cells
embryonic and adult stem cells
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We must start at the basic, what are cells? Cells are the basic unit of living things. We all have trillions upon trillions of cells that make up our body. Our body has three main cell types which are: Ectoderm, Mesoderm, and Endoderm. Ectoderm cells are in the skin, hair, eyelids and nerves cells for bones, Mesoderm cells are in muscles, tendons blood vessels and kidney construct the linings of two tubes within the body and Endoderm cells are in digestive tubes and respiratory tube. There are also stem cells.” Stem cells are unspecialized cells that have two defining properties: the ability to differentiate into other cells and the ability to self-regenerate.” (Kochar)There are different types of stem cells; embryonic stem cells and adult stem cells. Embryonic stem cells are meant for growth. Some come different parts of our bodies and also known as building block cells. Adult stem cells repair cells. Alexander Maksimov, Russian histologist, who discovered and forwarded the existence of stem cells as part of his theory of hematopoiesis in 1908. He came up with the term stem cells. Adult stem cells serve to replace specialized cells if it needed. These cells cannot reproduce like embryonic stem cells. Unlike Embryonic stem cells, these cells cannot make all cell types in the organism, though they can generate multiple types. They are specialized for specific body parts. There are 3 different types of Adult Stem cells, hematopoietic stem cells, mesenchymal stem cells and Endodermal stem cells. Hematopoietic stem cells are meant to replace blood cells. They are the most important stem cells because they construct the body. Mesenchymal stem cells are for the replace cartilage, bone, tendons, heart muscle, nerves, ligaments, hearing... ... middle of paper ... ...B. Hurlbut. http://alterednucleartransfer.com/index.php?page=4a&view=1. Bethesda (April 28, 2002). Stem Cell Basics. National Institute of Health, turning discovery into health. http://stemcells.nih.gov/info/basics/pages/basics1.aspx. Kochar,Preeti Gokal. (December 2004)What are stem cells?. http://www.csa.com/discoveryguides/stemcell/overview.php. Murnaghan,Ian. (5 October 2013 ) Totipotent Stem Cells. Exploring stem cells. http://www.explorestemcells.co.uk/TotipotentStemCells.html. New Hope Fertility Center. (n.d) Preimplantation Genetic Diagnosis. http://www.youtube.com/watch?v=LjL2XoNIO54 RepressedGeek.(n.d). Somatic Cell Nuclear Transfer (SCNT). http://www.youtube.com/watch?v=bbZiOiPVG6c. Kaulitzki, Sebastian. (June 28, 2010). Scientists Grow New Lungs Using 'Skeletons' of Old Ones. Science Daily. http://www.sciencedaily.com/releases/2010/06/100624092522.htm.
Stem cells are the building blocks of the human body. Embryos consist of unspecialized stem cells that transform into the various specialized cells in the body such as cardiac, muscle or bone cells. Fetuses also have stem cells. However, the stem cells are divided into types like muscle, bone or nerves and don't perform a specialized function. Surprisingly, adult bodies also contain stem cells. In adults, stem cells are undifferentiated but limited to specific tissue type. When needed, the stem cells transform into the cells needed for repair and maintenance. The most common source of adult stem cells is bone marrow. Researchers also acquire stem cells from umbilical cords. Without stem cells, embryos could not develop into fetuses and adult
Stem cells are multicellular organisms, they are a unique part of the body, considering they can renew themselves, and can also make a variety of other kinds of cells. There are multiple types of stem cells, such as adult or somatic stem cells, and embryonic stem cells. Stem cells are currently being used for scientific medical research, but the only stem cell treatments that have been proven to work well so far involve tissue stem cells, mainly those found in bone marrow and skin. However, significant technical hurdles remain that can only be overcome through years of intensive research.
...velopment of tissues to replace damaged organs in the human body. Scientists have discovered for the first time how stem cells could be generated from embryo’s that were produced using adult stem cells.
Stem cells are mother cells that have potential to develop into a new different cell in the body. It can self-renew or multiply while developing into other types of cells, for example they can become cells of the blood, heart, bones, skin, muscles and brain. Stem cells were discovered in human cord blood in 1978, and in 1998, Thompson, from the University of Wisconsin, isolated cells from the inner cell mass of early embryos (early stage of an animal or person before it is born) and developed t...
First of all, what are stem cells? Stem cells are immature cells that can become specialized into different types of cells, such as a muscle cell or a red blood cell. There are two types of stem cells, adult stem cells and embryonic stem cells. An adult stem cell is a stem cell that is found in already developed tissue
Stem cells are the most useful cells in our body. This is because most stem cells have the ability to become almost any cell in our entire body. The reason these cells are so universal is because they are unspecialized cells and have the ability to regenerate over long period of time to create more stem cells or specialize into other cells. Since these cells have the ability to become any cell, they can be injected into organs to repair them, such as the heart or the eye. In addition, stem cells are currently being used to cure more than 80 diseases. Another amazing thing about stem cells in that they are able to grow new organs entirely, due to their universal use. In labs, stem cells can be printed by using a 3-D printer to literally print organs or a graph of an organ can be placed in stem cells and they will grow around it to create the organ. As “SiFi” as this may seem, it is true; just last year a doctor transplanted a bronchial tube, that was grown in a lab, into a patient and it worked very well. Currently, embryonic stem cells are...
Tasker, Fred. “New Stem Cell Study Promises to Heal the Heart”. Dallas Morning News. 22 Mar 2011. Web. 10 Nov 11.
U.S. Department of Health and Human Services – National Institutes of Health (2009) Stem Cell Basics [ONLINE] Available http://stemcells.nih.gov/info/basics/pages/basics6.aspx (Accessed 30 March 2014)
...ogist regrows monkey hearts with human stem cells”. Guardian News and Media, 30 Apr. 2014. Web. 7 May 2014. The Guardian.
Since organs are on short supply throughout the world scientists have taken to trying to create organs in the lab. The field of organ growing is possible thanks to recent advances in stem-cell research and is commonly known as ‘tissue engineering’. Tissue engineering uses the patient’s own cells to build new organs or replace damaged tissues in the patient’s own organs, which is called grafting.3The process works by differentiating pluri-potent stem-cells into the cells that the patient needs. The cells are then allowed to grow and multiply in a nutrient solution. When the cells are in adequate numbers they are sometimes inserted into the patients existing tissue but are most commonly used to grow a new organ or tissue graft.
A stem cell is a special type of ‘starter’ cell that can grow into any kind of adult tissue. It is basically a ‘blank’ cell that can adapt and become a differentiate cell type like a nerve cell, a bone cell, or a skin cell. They are a foundation for every cell, tissue and organ in your body.
Stem cells are unspecialized, meaning that they have the unique potential to become any other type of cell, such as a red blood cell or a brain cell. There are two types of stem cells: embryonic and somatic. Somatic stem cells are found in adults, and, as far as we know, are only capable of becoming specific types of cells (stem cells in the liver can only become liver cells, stem cells in bone marrow can only become red and white
Stem cells are amazing cells that all humans possess throughout their bodies. In today’s world of science, stem cells have become important factors in scientific research. Research with stem cells has been increasing exponentially over the last decade. Around the world, stem cells have been studied to help treat various health problems. The extent to what stem cell research can do is very wide reaching. The existence of stem cells was theorized by Alexander Maximow in the late 1800s. He believed that cells originated from a one type of cell. He was not far off with this theory.
One of the major differences between the two stem cells is their different abilities in the number and type of cells they can become. Embryonic stem cells have the potential to be any body cell because they are known to be pluripotent. On the other hand adult stem cells are thought to be limited to differentiating into different cell types of their tissue of origin. For example, you can only make muscle cells from adult stem cells found in
Stem cell research is a topic that is discussed widely throughout our nation and can have many positive and negative outcomes. There are two different types of stem cells, embryonic stem cells and adult stem cells. Embryonic stem cells are able to differentiate and turn into other cells which are taken from an embryo at a few days old. An adult stem cell is a stem cell that resides in an individual, which can be used for repairing the tissue in which they reside. However, it has been proposed that embryonic stem cells and adult stem cells can either change or may be responsible for abnormal growth which could progress into cancer.