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:  Phosphorylation was not associated with the induction of cAMP , and inhibition of PKA signaling had no effect on P - CREB .

Answer: P - CREB


Question:  This study established a UUO model in angiotensin type 1a receptor ( AT1a ) deficient ( mutant ) mice to elucidate the role of angiotensin II through AT1a on the fibrosis of the obstructed kidney ( OBK ) .

Answer: angiotensin II


Question:  We also examined whether signaling by muramyl peptides involves the use of cell surface receptors , including CD14 and Toll - like receptor 2 ( TLR2 ) or TLR4 that are known to be signal - transducing receptors for other bacterial cell wall components .

Answer:
cell surface receptors