GAP43 and thyroid gland carcinoma: Thyroid cancer, as one of the quickly growing malignant tumour, is expected to surpass colorectal cancer and became the fourth most commonly diagnosed cancer in 2030.29 Accumulating evidence has proved that GAP43 has a crucial function in the process of neural cell growth and development, but the underlying molecular mechanisms of GAP43 in thyroid carcinoma are still poorly understood.