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A recent breakthrough in the stem cell arena has provided yet another benefit to scientists all over the globe. Recent developments now enable researchers to ‘track’ the stem cell transplantation in smaller animal models. This, combined with the use of positron emission tomography (PET) imaging, allows scientists to begin to understand the cell behavior of transplanted or implanted stem cells. According to a recent Journal of Nuclear Medicine, scientists found that using the PET imaging in conjunction with optical or bioluminescent imaging made an ideal technique to track the progress of individual cells. There are various studies in the international arena to address different aspects of stem cell research. These studies include factors such as temperature, food supply, tissue rejection, environment and other study factors. The ability to follow these cells will help researchers determine necessary factors regarding the life cycles and issues to ensure growth and development in this field in a shorter span of time and at a considerable saving of funds. The breakthrough of PET imaging and optical imaging already show promise for those who have devoted a great deal of time and energy in the determination of the long-term fate of transplanted cells. Researchers using ingenuity by using the substance named ‘firefly luciferase’; a light emitting substance causes a reddish colored fluorescent protein to allow visualization of theses cell journeys. With continued monies for research and studies, stem cell research will continue to advance almost on a daily basis. |
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