Review Article

MicroRNAs as Biomarkers in Thyroid Carcinoma

Table 1

Known targets for deregulated miRNAs in thyroid tumors and association with genetic alterations.

HistotypemiRNA expression (↑/↓)Oncogenic alterationMolecular targetReference

PTC↑ 146b, 221, 222n. d.KIT[24]
↑ 181b, 221, 222n. d.n. d.[43]
↑ 187RET/PTC, RASn. d.[27]
↑ 146b, 221, 222; ↓ 187BRAF V600E
↑ 146bBRAF V600En. d.[33]
↑ 221BRAF V600En. d.[34]
↑ 451n.d.n.d.[44]
↓ 137n. d.CXCL12[45]
↓ 451an.d.n.d.[46]
FTC↑ 197, 346n. d.n. d.[42]
↑ 181b, 187n. d.n. d.[27]
↑ 221n. d.n. d.[29]
↓ 574-3p
↑ 146b, 183, 221n. d.n. d.[38]
↓ 199b
↓ 199a-5pn. d.CTGF[47]
Hürtle↑ 187, 197n. d.n. d.[27]
↑ 885-5pn. d.n. d.[29]
↑ 885-5pn. d.n. d.[40]
↓ 138, 768-3p
ATC↑ 137, 205, 302cn. d.n. d.[27]
↑ 221, 222n. d.n. d.[48]
↑ 146an. d.NF-kB[49]
↓ 30, 200n. d.n. d.[39]
MTC↑ 130a, 138, 193a-3p, 373, 498n. d.n. d.[50]
↓7, 10a,29c, 200b-200c
↑ 9, 21, 127, 154, 183, 224, 323, 370, 375n. d.PDCD4[28, 51]
↓ 129-5pRETn. d.[30]
↑ 183, 375n. d.n. d.[52]
↑ 10a, 375n.d.YAP[53]
↓455

() ↑/↓: upregulated/downregulated; (): PTC with lymph node metastasis. ATC: anaplastic thyroid carcinoma; BRAF: b-type rapidly accelerated fibrosarcoma; CTGF: connective tissue growth factor; CXCL12: C-X-C motif chemokine ligand 12; FTC: follicular thyroid carcinoma; KIT: proto-oncogene receptor tyrosine kinase; MTC: medullary thyroid carcinoma; n. d.: not determined; PDCD4: programmed cell death 4; PTC: papillary thyroid carcinoma; RAS: rat sarcoma; RET/PTC: rearranged during transfection/papillary thyroid carcinoma; YAP: yes-associated protein.