http://www.arthritistreatmentcenter.com What exactly are the pros and cons of stem cells? Most people are unsure as to what types of stem cells are available...
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Pros: Capiable of becoming any tissue in the body very easly and fast. One day they may become very abundent
Cons: A of right now they are very hard to get. Obvious ethnical issues due to the major source of these types being fetuses. There is a possiablilty of malignancy witch is like cancer the cells grow to much and spiral out of control.
Allogeneic donar cells (adult stem cells):
Pros: They are avaliable now they are collected from healthy adults. Very large numbers of these types of stem cells can be collected. They have many uses. Takes the ethnical contraversy out of the picture.
Cons: Not as many uses as embronic stem cells. Unforseen genitic issues can not awalys know the genetic history of the donar. There is a chance of infected transmission.
Adult messenchymal stem cells:
Pros: They are very avalable they are collected from bone marrow and collect 5 to 10 million at a time. Using the donars own cells so theres no infection or rejection to worry about. Current protocalls used are very effective.
Cons: There is no standardization. This type is can be subjected to abuse. To use these types of stem cells it requires alot of skill.
Induced Pluripotiental mesenchymal cells:
Pros: They are pluralpurposal. They can "turn the clock back" so that these cells act like embronic cells. Great early data. Possiably the most potiental of all the cells.
Cons: In the very early stages.