miR-1 and miR-133b expression in canine osteosarcoma

Research output: Contribution to journalArticle

Abstract

Osteosarcoma (OS) is the most common primary malignant bone tumor in dogs and it is reported to represent 80–85% of primitive bone tumors and 3–4% of all canine tumors. Canine OS is highly comparable to human OS since it is characterized by similar genetic, biologic and clinical pathological features. MicroRNAs (miRNAs) are small non-coding RNA segments controlling post-transcriptional gene expression whose altered regulation has been described in different malignant tumors. In this study we analyzed the expression of two miRNAs with an important role in regulation of osteogenesis and tumor cell proliferation in order to define their role in canine OS development. A lower expression of miR-1 and miR-133b was seen in tumors when compared with normal bone associated to a higher expression of two target genes, respectively MET and MCL1. Accordingly, MET and MCL11 proteins presented a moderate to strong immunostaining in more than 50% of tumor samples. Our results, although obtained in a small series of cases, confirming the high molecular homology with human OS suggesting a potential role of miR-1 and miR-133b as biomarkers for canine OS treatment.

Original languageEnglish
Pages (from-to)133-137
Number of pages5
JournalResearch in Veterinary Science
Volume117
DOIs
Publication statusE-pub ahead of print - Dec 1 2017

Fingerprint

osteosarcoma
Osteosarcoma
Canidae
neoplasms
dogs
Neoplasms
bones
microRNA
MicroRNAs
Bone and Bones
Small Untranslated RNA
bone formation
biomarkers
cell proliferation
Osteogenesis
Biomarkers
Cell Proliferation
gene expression
Dogs
Gene Expression

Keywords

  • Canine osteosarcoma
  • Gene target
  • Immunohistochemistry
  • MicroRNA

ASJC Scopus subject areas

  • veterinary(all)

Cite this

miR-1 and miR-133b expression in canine osteosarcoma. / Leonardo, Leonardi; Pazzaglia, Laura; Serena, Benassi Maria.

In: Research in Veterinary Science, Vol. 117, 01.12.2017, p. 133-137.

Research output: Contribution to journalArticle

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