14652
Vemurafenib - treated melanoma cells showed increased cytosolic concentration of calcium , a potential trigger for endoplasmic reticulum ( ER ) stress , which can lead to apoptosis .
 Chemical: Vemurafenib; Chemical: calcium
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: Vemurafenib; Chemical: calcium