What is the xenotransplant?
xenotranspantation is the transplantation of organs, valves or other medical products (such as blood or stem cells) between species that may or may not be similar to each other. In most human medicine, this means harvesting some parts of animals to be used directly in human bodies. In some cases it is a common treatment, for example when using beef valves (cow) or pig (pig), which replace defective human heart valves. In other cases, the idea of xenotransplantation is mainly theoretical and experimental, with little evidence of benefits. Despite the lack of evidence of the effectiveness of most procedures, many medical scientists believe that xenotransplantation technology is a pioneering work that can improve medical care, although there is an objection to the practice of animal rights.
The most advantageous use of xenotransplants would be transplant organs from animals to humans and in several limited cases it was tested in humans. It wasn't successfulAvoiding to the significant rejection that occurs, even if the organs are transplanted among similar species such as babies towards people. This matter is still being examined, often by carrying out animals for animals.
Other types of xenotransplantate, which have been examined in limited studies, include injection cells from animals to humans. For example, fetal swine cells may have medicinal or useful properties in the treatment of brain disorders. In general, concerns about rejection are much lower when multiple small elements are transplanted such as cells. This is not always true; Xenotransplantation of blood is not successful because it is difficult to find matches between human and animals.
since the 1970s. Cardiotoracal surgeons routinely replace defective valves of the human heart by pigs or beef valves. Unlike popular faith, replacement of pigs inEntil is not a violation of kosher principles and there may be advantages for choosing a pig or cow valve through human valves corpses. They are equally efficient and easier to access, while corpses valves can only be harvested from people who have given their death.
In this last statement lies the main ethical objection to xenotransplantation. Animals cannot and do not choose to be transplant entities, and they must usually be killed to transplant. Some critics say it is unnecessary exploitation. Especially because the pigs are so often killed, people who support are considered xenotranspllant because they are not much different from agriculture, but those who are against them can also be against the education of animals for food.
Another problem that may or may not arise from ethical considerations is the possibility of spreading animal bacteria to humans, which could lead to serious concerns about public health. This is another reason of pigs often used: people and pigs withThey have been stated for millennia and have been exposed to each other repeatedly. So far, the research of the xenotransplant, which exists, does not show the prepared spread of viruses between species, but this would have to be paid attention to the use of greater use of technology. However, the main barrier is still the rejection of xenotransplant and without solving this problem, this technology can remain limited.