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Role of SPARC in bone remodeling and cancer-related bone metastasis

Nilza Ribeiro1, Susana R Sousa, Rolf A Brekken

  • 1INEB-Instituto de Engenharia Biomédica, Universidade do Porto, Rua do Campo Alegre, 823, 4150-180, Porto, Portugal; Departamento de Engenharia Metalúrgica e de Materiais, Faculdade de Engenharia (FEUP), Universidade do Porto, Rua Roberto Frias, s/n, 4200-465, Porto, Portugal.

Journal of Cellular Biochemistry
|September 17, 2013
PubMed

Insights

Secreted protein acidic rich in cysteine (SPARC) is a potential target for bone diseases like osteoporosis and cancer metastasis. Further research into SPARC

Area of Science:

  • Biochemistry
  • Oncology
  • Orthopedics

Background:

  • Bone diseases including infections, tumors, and osteoporosis are significant socioeconomic concerns.
  • Secreted protein acidic rich in cysteine (SPARC), a matricellular glycoprotein, is implicated in bone remodeling, mineralization, and tumor progression.
  • The precise role of SPARC in these processes remains poorly understood and debated.

Purpose of the Study:

  • To review current knowledge on SPARC's activity in bone remodeling, tumorigenesis, and bone metastasis.
  • To highlight SPARC's potential as a therapeutic target for bone-related conditions.

Main Methods:

  • Literature review of existing research on SPARC and bone biology.
  • Analysis of SPARC's involvement in tissue remodeling, cell turnover, and mineralization.
  • Examination of SPARC's role in primary bone tumors and cancer-related bone metastasis.

Main Results:

  • SPARC is associated with various aspects of bone biology, including development, repair, and mineralization.
  • SPARC's function in bone tumorigenesis and metastasis is complex and requires further elucidation.
  • Contradictory findings exist regarding SPARC's specific effects in different bone contexts.

Conclusions:

  • Understanding SPARC's multifaceted roles is crucial for developing effective therapeutic strategies.
  • SPARC presents a promising target for novel treatments aimed at bone regeneration and combating bone metastasis.
  • Future research should focus on clarifying SPARC's mechanisms to enable targeted anti-cancer and bone-healing therapies.
Keywords:
BONE METASTASISBONE REMODELINGSPARCTUMORIGENESIS

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