Is mesothelin a key to tackling solid tumors? Some biotech companies are betting that it is

Is mesothelin a key to tackling solid tumors? Some biotech companies are betting that it is

Source: 
Stat
snippet: 

Scientists working to produce immunotherapies for solid tumor cancers have spent decades searching for biological targets that can help them distinguish between healthy cells and cancerous ones. Finding such biomarkers is critical to developing treatments that can kill the cancer without also killing the patient.