VOICED: Tick saliva could hold cancer cure: Brazilian scientists

Scientists in Sao Paulo discovered a protein in tick saliva that may cure cancer. Lab tests on rats showed tumors shrank and disappeared after 42 days without harming normal cells. The Butantan Institute is applying for a patent, but developing a medicine will take years and require collaboration with international drug companies.

What protein was discovered in the saliva of ticks that may have implications for cancer treatment?

How did the protein affect tumors in the lab tests conducted on rats?

What was the outcome of the protein application after 42 days?

What is the significance of the findings from the Butantan Institute regarding the protein?

What challenges are mentioned regarding the development of a medicine from the discovered protein?