The Invention relates to a nucleic acid and proteins of tumors and
neoplasias of the thyroid gland. Said nucleic acid comprises a nucleic
acid sequence selected among the group consisting of SEQ ID No. 1, 3, 4,
9 and SEQ ID No. 11 to 16. The invention also relates to fusion proteins
observed in tumors and neoplasias of the thyroid gland, said fusion
proteins containing an amino acid sequence according to SEQ ID No. 2, SEQ
ID No. 5 to 8, 10, and 17.