Friday, May 22, 2020

The Theory Of Cancer Stem Cell Theory - 991 Words

The Scientific Community has two main theories about how cancer grows to form tumors. The cancer stem cell theory states that tumors are like normal cells because stem cells control their growth (Blanpain, 2015). However the contradicting theory is the stochastic model in which all cells have the ability to grow and divide, so the cells that make up a tumor are not organized in any sort of system. I take the stance that tumors are grown through an organized system and that cancer stem cells are at the center of the growth of a tumor instead of just a byproduct. All cancerous tumors have a basic structure of a large group of cells with a small cluster of cells in the center of the tumor that are responsible for the growth and recurrence of cancer. These central cells are the most difficult part of the tumor to destroy. Mutations in tumor suppressor genes are essential for promoting and allowing tumors begin forming, through spontaneous or even hereditary forms of cancer (Collins, 1997 ). Cancer is caused by mutation in genes, however not all mutations can cause cancer but certain combinations of genetic mutations do cause cancer (Blanpain, 2015). Cancer cells are cells that divide uncontrollably due to mutations in genes; the mutations in oncogenes and tumor suppressor genes largely affect the aggressiveness of cancer (Yokota, 2000). Through lots of research it has been proven that cancers are heterogeneous and show different functions and phenotypic traits at cell levelShow MoreRelatedCancer Stem-Cell Theory Essay739 Words   |  3 PagesThe cancer stem cell theory hypothesizes that tumors or cancers arise from mutations or epigenetic changes in normal stem cells. These mutated or genetically altered stem cells possess the properties of the normal stem cells such as the ability to self-renew, differentiate into any type of body cell, and resist apoptosis. Hence, the cancer stem cells (CSC) are named so. It is also suggested that because of the above-mentione d properties of the cancer stem cells, the current anti-cancer therapiesRead MoreCancer And Its Effects On Cancer Essay1504 Words   |  7 Pagespeople in the world suffer from cancer. In the year 2017, it is estimated that nearly 2 million new cancer cases will occur in the United States, leading to approximately more than half a million deaths (Cancer Facts Figures, 2016, p.1). However, despite the drastic numbers shown in this data, it is almost a 20% decrease from data collected in previous years (Tao Kiera, 2015, p.1). The increased survival rate of cancer patients is mainly due to advances in cancer research and the incorporationRead MoreStem Cells and Their Effect on Tumor Growth and Cancer Creation997 Words   |  4 PagesZoology Stem Cells and Their Effect on Tumor Growth and Cancer Creation Stem cells are a growing phenomenon in the cancer research world. Researchers are getting closer and closer to a cure, they are exploring other options to treat cancer. Stem cells are relatively new to the medical world, making their first appearance in 1956 (†Timeline for Stem Cell Research†, 1), and as with everything, there are flaws. Despite these flaws, stem cell treatment is something more people are turning to, asRead MoreThe Remarkable Abilites of Stem Cells1441 Words   |  6 PagesAn undifferentiated cell of a multicellular organism that can give rise to one or more type of specialized cell and arise by differentiation is call a Stem Cell. With their remarkable abilities Stem Cells, during early life or growth, serve many tissues as some call an internal repair system as long as the host is still alive. Renewing themselves during cell division and become an organ specific cells with unique functions to repair and replace damaged tissues. Animal and humans alw ays been theRead MoreA Theory of the Cause of Skin Cancer Essay1642 Words   |  7 PagesA Theory of the Cause of Skin Cancer This theory of cancer was presented in detail in the book One Answer to Cancer by Dr William Kelley, although certain adaptations have been made. You would be well served to look at the original book available for free on the internet. According to the theory, a person cannot have cancer unless three factors are present. These three factors are: (I) The presence of a certain type of cell that becomes genetically damaged. In theRead MoreAging And The Aging Process1669 Words   |  7 Pagesconcepts of aging are broken down into two theories widely accepted by several varying fields of studies such as gerontology, the study of the aging process, and oncology, the study of cancer and tumor development. The Cellular theory, which focuses solely on the idea that a species and individual’s lifespan and condition in life is based on genetic and cellular factors that predispose us to a variety of diseases. The second theory is known as Wear-and-Tear theory which heavily concentrates on the conceptsRead MoreSymptoms And Treatment Of Cancer1303 Words   |  6 Pages Cancer, also known as malignant neoplasm, the hallmark characteristic involves uncontrolled proliferation of cells. Under normal conditions cell grow, divide and die, but in cancer cells the defect takes place at the gene level leading to the formation of an abnormal DNA. As genes are the basic control machines of the cell, al teration of any kind may bring devastating consequences, or malignancy. Moreover, in normal cells damage of any kind is taken care by the repair system but in cancer cellsRead MoreThe Importance Of Stem Cells1338 Words   |  6 Pagesbase of their discovery, stem cells have been known to be able to regenerate themselves, fighting bacteria and disease, and have the component of being unspecialized. This component of being unspecialized gives way for scientists and researchers to give stem cells a specific function to target and help repair tissues and systems. Such bacteria and disease stem cells may eradicate and prevent from plaguing people are Alzheimer’s, Parkinson’s Disease, spinal cord injuries, cancer, and much more. It hasRead MoreEssay on The Relativity of Ethical Issues1277 Words   |  6 Pagesproves his theory false. He starts with the illogical hypothesis: If theory X is not true, then Y should not happen. Then, if Y does happen, that shows that it is not the case that theory X is not true. In other words he, is to examine as much evidence as possible, in a manner that is as precise, and as objective as possible, and only after he has failed to prove his theory false, i.e., it is not the case that theory X is not true, it is he justified in proclaiming its truth, the theory an remainRead MoreEssay about History of Stem Cells1407 Words   |  6 PagesHistory of Stem Cells Abstract This paper will be discussing the history of stem cells. There are many different ways to collect stem cells. Stem cells can be used for either right or wrong reasons. People can either use them to cure or to cause harm. Most people use stem cells to cure fatal illnesses. The one researcher that put stem cells out in the science world so people could understand it better was Leroy Stevens. His first encounter with stem cells was with a mouse that had a teratoma

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