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Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. Abnormal cell proliferation is a condition in which the cell's growth exceeds and is uncoordinated with normal cells. In such situations, cell division persists in the same excessive manner even after cessation of the stimuli, leading to persistent tumors. The tumor arises from the damaged cells that replicate to pass the damage to the...
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Updated: Dec 12, 2025

Modeling Osteosarcoma Using Li-Fraumeni Syndrome Patient-derived Induced Pluripotent Stem Cells
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SLC25A10 performs an oncogenic role in human osteosarcoma.

Gaoyuan Wang1, Jianjun Xia2, Cheng Chen3

  • 1Department of Orthopaedics, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230022, P.R. China.

Oncology Letters
|August 11, 2020
PubMed
Summary

Solute carrier family 25 member 10 (SLC25A10) is elevated in osteosarcoma, correlating with poor patient outcomes. Its suppression inhibits tumor growth and promotes apoptosis, suggesting SLC25A10 is an oncogene.

Keywords:
SLC25A10apoptosismitosisosteosarcomaproliferation

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Area of Science:

  • Oncology
  • Molecular Biology
  • Biochemistry

Background:

  • Osteosarcoma is a primary bone cancer common in adolescents with poor prognoses.
  • High-grade osteosarcoma presents a significant risk of relapse and mortality.
  • Understanding osteosarcoma's molecular drivers is crucial for developing new therapies.

Purpose of the Study:

  • To investigate the role of solute carrier family 25 member 10 (SLC25A10) in osteosarcoma.
  • To determine the association between SLC25A10 expression and clinicopathological features.
  • To elucidate the molecular mechanisms by which SLC25A10 influences osteosarcoma progression.

Main Methods:

  • Protein levels of SLC25A10 were analyzed in osteosarcoma and normal bone tissues.
  • Correlation between SLC25A10 expression and patient parameters (metastasis, stage, survival) was assessed.
  • Short hairpin RNA (shRNA) was used to knockdown SLC25A10 expression in osteosarcoma cells.
  • Cell proliferation, apoptosis, and mitosis were evaluated using cell counting, MTT assays, and colony formation assays.
  • The regulation of cell cycle proteins (Cyclin E1, P21, P27) by SLC25A10 was investigated.

Main Results:

  • SLC25A10 protein levels were significantly higher in osteosarcoma tissues compared to normal bone.
  • Elevated SLC25A10 expression correlated with advanced clinical stage, metastasis, and reduced survival rates.
  • SLC25A10 knockdown suppressed osteosarcoma cell proliferation and colony formation.
  • Knockdown of SLC25A10 led to increased apoptosis and decreased mitosis.
  • SLC25A10 positively regulated Cyclin E1 (CCNE1) and negatively regulated P21 and P27.

Conclusions:

  • SLC25A10 is upregulated in osteosarcoma and is associated with aggressive disease and poor outcomes.
  • SLC25A10 promotes osteosarcoma cell proliferation and survival.
  • SLC25A10 may exert its oncogenic effects by modulating CCNE1, P21, and P27 expression.