Please rephrase these sentences: ONE MAJOR OBSTACLE IN STEM CELL USE IS THE PROB

Question

Please rephrase these sentences:

ONE MAJOR OBSTACLE IN STEM CELL USE IS THE PROBLEM OF REJECTION. If a patient is injected with stem cells taken from a donated embryo, his or her immune system may see the cells as foreign invaders and launch an attack against them. Using adult stem cells or IPSCs could overcome this problem somewhat, since stem cells taken from the patient would not be rejected by his or her immune system. But adult stem cells are less flexible than embryonic stem cells and are harder to manipulate in the lab. And IPSC technology is too new for transplantation work.
Therapeutic cloning disadvantages

• Embryos created in this manner are not treated with dignity, not only because they are a cloned copy of another person, but also because they are not allowed to live beyond a few days.
• Though in order to produce stem cells in the olden days, they had to destroy embryo. Stem cell treatment is still legal, though there already is a high failure rate with cloning animals.
• The negatives of this procedure are that it is very limited to people who are rich or wealthy because the expense of this product is highly priced. The people with lower income wouldn’t be as fortunate to receive this treatment.

• Some scientists have found out that the use of stem cell therapy may end up in result of rejecting the stem cells or build up into a cancer or tumour.

Explanation / Answer

My rewrites are in red.

ONE MAJOR OBSTACLE IN STEM CELL USE IS THE PROBLEM OF REJECTION. If a patient is injected with stem cells taken from a donated embryo, his or her immune system may see the cells as foreign invaders and launch an attack against them. Using adult stem cells or IPSCs could overcome this problem somewhat, since stem cells taken from the patient would not be rejected by his or her immune system. But adult stem cells are less flexible than embryonic stem cells and are harder to manipulate in the lab. And IPSC technology is too new for transplantation work.

One obstacle concerning stem cells is the body rejecting the cells. If a patient's immune system detects embryonic stem cells as foreign invades, it will proceed to attack the stem cells. This issue can be solved by using adult stem cells or iPSCs taken from the patient's own body. However, adult stem cells aren't as flexible than embryonic stem cells and are more difficult to work with in the lab. Additionally, iPSC technology is too undeveloped for transplants.

Therapeutic cloning disadvantages

• Embryos created in this manner are not treated with dignity, not only because they are a cloned copy of another person, but also because they are not allowed to live beyond a few days.

Embryos created by cloning are treated without value or dignity because they are imitations of another person and disallowed to live for longer than a couple of days.
• Though in order to produce stem cells in the olden days, they had to destroy embryo. Stem cell treatment is still legal, though there already is a high failure rate with cloning animals.

Before modern innovations, stem cells could only be extracted by destroying the embryo. Stem cell treatment remain legal although it has a high failure rate with animal cloning.

• The negatives of this procedure are that it is very limited to people who are rich or wealthy because the expense of this product is highly priced. The people with lower income wouldn’t be as fortunate to receive this treatment.
The downfalls of this procedure is that only the rich and wealthy can afford it due to the product's price. People of lower or middle-class income wouldn't be able to afford stem cell treatment.
• Some scientists have found out that the use of stem cell therapy may end up in result of rejecting the stem cells or build up into a cancer or tumour.

Some scientists have found that using stem cell therapy may result in rejection and the stem cells would resort to building up into a cancerous tumor.

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