Stem Cell Research
Contents Pg. 2 Introduction Pg. 3 Stem Cells - What are they? Pg. 5 Diabetes Pg. 7 Stem Cells and Damaged Hearts Pg. 9 The Nervous System Pg. 10 Stem Cell Research Objections Pg. 12 Conclusion References Information I had decided to display the references of each page at the bottom of that page; this is an alternative to having a references page at the end of this report. The date after each link is the date of which I used the source from that site. The reliability score is my personal judgement on how reliable the information is. Introduction "Stem cells are like little kids who, when they grow up, can enter a variety of professions" - Dr. Marc Hendrick 2 Stem Cells - What are they? Stem cells in animals are able to split and differentiate without limit into other types of cells such as muscle cells, brain cells and skin cells. So what does this mean? Stem cells can act as a repair system for the body - replenishing other cells. One way in which stem cells can be categorised is by potency; the different classes for stem cells are: Pluripolent stem cells are secluded from human embryos that are more than a few days old. Scientists are able to use the cells in this embryo to create stem cell "lines". 3 3 Adult Stem Cells We have known about adult stem cells for 30 years 4. The great thing about adult stem cells is that we can remove them from living
Religion and Medical Ethics.
RE Coursework: Religion and Medical Ethics. Ai. There are a number of treatments available to infertile couples. They are called: Artificial insemination, GIFT, ZIFT, ICSI, PID, Egg donation and Surrogate mothers. Egg donation involves one woman donating her egg to the woman that wants to have children. The donor must be at the same stage in her menstrual cycle as the recipient. Fertilisation takes place in a fine tube. Another treatment is called 'Artificial Insemination'. This can only be used if the man's sperm count is low. It deals with taking some semen samples so that all the gametes alive in each sample can be put together to be inserted in the woman when she ovulates. In Gamete Intra-Fallopian Transfer, short for GIFT the sperm and egg are gathered in a fire tube which is inserted into the woman's Fallopian Tube. Fertilisation then takes place naturally. ZIFT is also a treatment which involves bringing the sperm and egg together so that fertilisation can take place outside the body. The fertilised egg is then injected. ZIFT is short for Zygote Intra-Fallopian Transfer. IVF stands for 'In Vitro Fertilisation', it deals with putting the egg and sperm in a Petri dish. Once fertilisation occurs, the zygote (fertilised egg) is put in incubation for a few days. During this time it divides into about 8 identical cells. The zygote is now known as a blastocyst. The best
Is Cloning Ethical?
Is Cloning Ethical? For the past few years the political and ethical argument for and against the process of cloning has been raging. So is cloning really unethical? Is it against human rights? Before we decide this we must first understand exactly what cloning is. Cloning can be done using a few different processes, which will be later mentioned. It is the creation of an embryo which is a genetically identical copy of another human (1). There are three main types of cloning. The first is known as Embryo Cloning. This is a technique, the same as the natural process of making identical twins or triplets, where cells are taken from a fertilised egg and encouraged to develop into twins or triplets with identical DNA (2). The second is known as Reproductive or Adult DNA Cloning. This method is used to produce an animal with identical DNA to an existing animal. DNA from an ovum is removed and is replaced by DNA from an adult animal cell. It is then implanted into the womb of a surrogate mother and develops into an animal. This kind of cloning is illegal in many countries as, based on studies performed on animals, it could cause genetic defects. It is considered by many to be unethical and dangerous, however Dr Severino Aninori claims to have used this procedure to initiate pregnancy (2) Biomedical Cloning, better known as Therapeutic cloning is the third process. In the
