In this task, you are given a sentence. You are expected to recognize the name of gene or protein. Although there might be several correct answers, you need to write one of them.
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Question: Therefore , the SART3 antigen and its peptides could be an appropriate molecule for use in specific immunotherapy of the majority of HLA - A24 - positive breast cancer patients

Answer: SART3 antigen

Question: Cycloheximide , a reversible protein synthesis inhibitor , is thought to block DNA replication in normal cells by preventing synthesis of a labile protein .

Answer: labile protein

Question: Some cell fractions were also positive for Mac - 1 , a macrophage marker or Gr - 1 , a granulocytic maker , but negative for an erythroid marker TER119 .

Answer:
erythroid marker TER119