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Updated: Oct 20, 2026

Three-Dimensional Bone Extracellular Matrix Model for Osteosarcoma
08:07

Three-Dimensional Bone Extracellular Matrix Model for Osteosarcoma

Published on: April 12, 2019

NRSN2 promotes osteosarcoma cell proliferation and growth through PI3K/Akt/MTOR and Wnt/β-catenin signaling

Ajimu Keremu1, Xiayimaierdan Maimaiti1, Abudusaimi Aimaiti2

  • 1Department of Micro-Reconstructive Surgery, The First Affiliated Hospital of Xinjiang Medical University No. 137 Liyushan Road, Urumqi 830054, Xinjiang, China.

American Journal of Cancer Research
|April 13, 2017
PubMed

Insights

Neurensin-2 (NRSN2) is a novel oncogenic protein promoting osteosarcoma growth by activating key signaling pathways. This membrane protein presents a potential new therapeutic target for osteosarcoma treatment.

Area of Science:

  • Oncology
  • Molecular Biology
  • Biochemistry

Background:

  • Osteosarcoma is the most common primary bone cancer in children and adults.
  • The molecular mechanisms underlying osteosarcoma pathogenesis remain largely unknown.
  • Neurensin-2 (NRSN2), a neuronal membrane protein, has been implicated in other cancers like hepatocellular carcinoma and non-small cell lung cancer.

Purpose of the Study:

  • To investigate the role of Neurensin-2 (NRSN2) in osteosarcoma.
  • To determine if NRSN2 expression is altered in osteosarcoma tissues.
  • To elucidate the functional impact and molecular mechanisms of NRSN2 in osteosarcoma progression.

Main Methods:

  • Screening of the GEO Database to identify potential osteosarcoma-associated genes.
  • Quantitative analysis of NRSN2 expression in osteosarcoma tissues.
  • In vitro and in vivo loss- and gain-of-function assays to assess NRSN2's impact on cell proliferation and tumor growth.
  • Analysis of downstream signaling pathways, including PI3K/AKT/mTOR and Wnt/β-catenin.

Main Results:

  • NRSN2 expression was found to be significantly elevated in osteosarcoma tissues.
  • Overexpression of NRSN2 promoted osteosarcoma cell proliferation and tumor growth both in vitro and in vivo.
  • NRSN2-mediated effects were associated with the dysregulation of PI3K/AKT/mTOR and Wnt/β-catenin signaling pathways.

Conclusions:

  • NRSN2 acts as a novel oncogenic protein in osteosarcoma.
  • NRSN2 promotes osteosarcoma cell proliferation and growth through the PI3K/AKT/mTOR and Wnt/β-catenin signaling pathways.
  • As a membrane protein, NRSN2 represents a potential therapeutic target for osteosarcoma.
Keywords:
Neurensin-2PI3K/Akt/GSK3βWnt/β-cateninosteosarcomaproliferation and growth

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