Targeted therapies are used in patients with a certain gene...

Targeted therapies are used in patients with a certain gene expression pattern. A targeted therapy that prevents the activation of the estrogen receptor in breast cancer would be beneficial to what type of patient? a. patients who express the EGFR receptor in normal cells b. patients with a mutation that inactivates the estrogen receptor c. patients with over-expression of ER alpha in their tumor cells d. patients with over-expression of VEGF, which helps in tumor angiogenesis

Targeted therapies are used in patients with a certain gene expression pattern. A targeted therapy that prevents the activation of the estrogen receptor in breast cancer would be beneficial to what type of patient?
a. patients who express the EGFR receptor in normal cells
b. patients with a mutation that inactivates the estrogen receptor
c. patients with over-expression of ER alpha in their tumor cells
d. patients with over-expression of VEGF, which helps in tumor angiogenesis

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Key Concepts

Molecular Profiling in Cancer

Molecular profiling in cancer involves analyzing the genetic and protein expression patterns within tumor cells to determine the presence of specific markers or alterations. This process aids in classifying cancer subtypes and selecting targeted therapies that are most likely to be effective based on the unique molecular characteristics of the tumor.

Targeted Therapy

Targeted therapy refers to treatment strategies that inhibit specific molecules or pathways involved in cancer cell growth and survival. These therapies are typically designed based on unique molecular and genetic characteristics of the tumor, allowing for a more personalized and effective approach, often with reduced damage to normal cells.

Estrogen Receptor Signaling

Estrogen receptor (ER) signaling is a key pathway in certain types of breast cancer, where estrogen binds to its receptor (notably ER alpha) to promote cellular proliferation. Over-expression of ER alpha in tumor cells indicates that the cancer may rely on estrogen signaling for growth, making it a prime target for therapies that block or modulate this pathway.

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