Which one of the following alkaloids is used as anti–cancer agent ?
**Core Concept**
The question is testing the student's knowledge of alkaloids used as anticancer agents. Alkaloids are a class of naturally occurring compounds found in plants, many of which have been found to have anticancer properties.
**Why the Correct Answer is Right**
Vinblastine is a vinca alkaloid that works by inhibiting microtubule formation in the mitotic spindle, thereby preventing cell division. It is used in the treatment of various types of cancer, including Hodgkin's lymphoma, non-Hodgkin's lymphoma, and breast cancer. Vinblastine binds to tubulin and prevents the formation of microtubules, which are essential for cell division.
**Why Each Wrong Option is Incorrect**
* **Option A:** (No information available about this option)
* **Option B:** (No information available about this option)
* **Option D:** (No information available about this option)
**Clinical Pearl / High-Yield Fact**
The vinca alkaloids, including vinblastine, are a class of anticancer agents that work by disrupting microtubule formation. This class of drugs is often used in combination with other chemotherapeutic agents to enhance their effectiveness.
**Correct Answer:** C. Vinblastine.