Gene therapy: micrograph of DNA microinjection

Gene therapy: micrograph of DNA microinjection

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Credit: PHILIPPE PLAILLY/SCIENCE PHOTO LIBRARY

Caption: Gene therapy. Light micrograph showing the micro-injection of a corrective gene (as DNA) into a human T-lymphocyte (T-cell). The tip of the pipette (seen here) is manipulated by remote control to penetrate the cell nucleus & deliver its load of DNA. This case involved a young girl whose immune system had collapsed because of her failure to produce an enzyme, adenosine desaminase (ADA), which controls the maturation of T-cells. Lymphocytes collected from her are treated with the gene that expresses ADA & the modified cells re-injected into a vein. Results are very good. Photo taken at Curie Institue, Orsay, France.

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Keywords: adenosine desaminase, biochemistry, biotechnology, defect, dna research, enzyme deficiency, gene therapy, genetic, genetics, injections, micro-injection, micro-injection of, t-cell, treatment

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