Regulation and Function of miR-218 in Gastric Cancer Metastasis
Tie, Pan et al., PLoS Genetics
Researchers describe a negative feedback system between Robo1, a Slit receptor, and miR-218, wherein “decreased miR-218 levels eliminate Robo1 repression, which activates the Slit-Robo1 pathway through the interaction between Robo1 and Slit2, thus triggering tumor metastasis.” The authors suggest that the restoration of miR-218 supresses Robo1 espression and inhibits tumor cell invasion.
Study Shows 14-Month Survival, Some Heart AEs for Breast Cancer Patients on Tykerb/Herceptin Combo
The Phase III study, presented last week at the San Antonio Breast Cancer Symposium, involved 296 women with HER2-positive breast cancer whose cancer had recurred despite receiving a median of three previous Herceptin-based treatments. "The data presented at the San Antonio congress showed that patients overcame resistance to [Herceptin] with the introduction of the [Tykerb/Herceptin] combination," GSK said in a statement.
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