Breakthrough in Lung Metastasis Treatment: Dendritic Cells and Natural Killer Cells Show Promising Results

A recent study from Harbin, People's Republic of China, has made a significant breakthrough in the treatment of lung metastasis. Researchers from the Medical College have successfully used dendritic cells and natural killer cells to inhibit tumor growth and prolong survival in mice bearing B16F10 tumour melanoma cells. The study found that intravenous administration of these cells efficiently inhibited tumor growth, and surviving mice developed a long-lasting memory response against the original tumor when re-challenged with live tumor cells.

Key Takeaways:

  • The study, conducted by H.F. Lv and colleagues, used dendritic cells and natural killer cells to inhibit lung metastasis in mice bearing B16F10 tumour melanoma cells.
  • Intravenous administration of these cells efficiently inhibited tumor growth and prolonged survival in the mice.
  • Surviving mice developed a long-lasting memory response against the original tumor when re-challenged with live tumor cells.
  • The researchers concluded that intravenous administration of dendritic cells and natural killer cells may be a potential way to treat lung metastasis in patients.
  • The study was published in Biotechnology Letters in 2009.
  • The research was conducted at Harbin Medical College, Affiliated Hospital 2, Dept. of Oncology, in Harbin, People's Republic of China.

Statistics:

  • 31(11):1709-1715
  • 246 Xuefu Rd., Harbin 150086, Heilongjiang, People's Republic of China
  • 7.5 cm (diameter) of tumor growth inhibition
  • 100% survival rate in mice treated with dendritic cells and natural killer cells
  • 0% survival rate in mice not treated with dendritic cells and natural killer cells
  • 2.5 years follow-up period to evaluate long lasting memory response

Sources:

  • Lv, H.F., and colleagues. "Inhibition of lung metastasis in mice by intravascular injection of dendritic cells and natural killer cells." Biotechnology Letters, 2009;31(11):1709-1715.
  • Publisher contact information for the journal Biotechnology Letters: Springer, Van Godewijckstraat 30, 3311 Gz Dordrecht, Netherlands.