With reference to ‘stem cells’, frequently in the news, which of the following statements is/are correct?
- Stem cells can be derived from mammals only.
- Stem cells can be used for screening new drugs.
- Stem cells can be used for medical therapies.
Select the correct answer using the code given below:
- 1 and 2 only
- 2 and 3 only
- 3 only
- 1, 2 and 3
Explanation
Statement 1 is incorrect
- Stem cells are unique human cells with the ability to transform into various types of cells within the body, ranging from muscle cells to brain cells. They are not exclusive to mammals; they can also be derived from other organisms, including plants and non-mammalian animals.
Statement 2 is correct
- Stem cells, especially induced pluripotent stem cells (iPSCs), are widely used in drug development and testing. They allow researchers to study the effects of drugs on specific cell types.
Statement 3 is correct
- Stem cells have significant potential in regenerative medicine, including treatments for conditions like leukaemia (through bone marrow transplants), spinal cord injuries, and other degenerative diseases.
