Exploring the roles of SPARC as a proinflammatory factor and its potential as a novel therapeutic target against

Hiroe Toba1,2, Shinji Takai2

  • 1Division of Pathological Sciences, Department of Clinical Pharmacology, Kyoto Pharmaceutical University, Kyoto, Japan.

Insights

Secreted protein acidic and rich in cysteine (SPARC) promotes inflammation and cardiovascular disease (CVD). Inhibiting SPARC may offer new strategies for preventing and treating CVD and related conditions.

Area of Science:

  • Cardiovascular research
  • Inflammation biology
  • Extracellular matrix proteins

Background:

  • Cardiovascular disease (CVD) remains a leading global cause of mortality, with increasing patient numbers.
  • Chronic inflammation is a key pathological factor in CVD development and progression.
  • The extracellular matrix (ECM) protein, secreted protein acidic and rich in cysteine (SPARC), is implicated in tissue remodeling and inflammation.

Purpose of the Study:

  • To review the regulatory and proinflammatory mechanisms of SPARC in cardiovascular disease (CVD), chronic kidney disease (CKD), and cerebrovascular disease.
  • To discuss the potential of SPARC as a biomarker for CVD.
  • To explore the therapeutic implications of SPARC inhibition for CVD prevention and treatment.

Main Methods:

  • Review of existing literature on SPARC's role in inflammatory and cardiovascular conditions.
  • Analysis of preclinical animal models demonstrating SPARC's proinflammatory effects.
  • Examination of clinical studies correlating SPARC levels with CVD risk factors and inflammatory markers.

Main Results:

  • SPARC exhibits a proinflammatory role in various disease models.
  • Elevated plasma SPARC levels are associated with hypertension, obesity, and inflammation.
  • SPARC deficiency protects against cardiac injury, suggesting detrimental effects in CVD.

Conclusions:

  • SPARC plays a significant role in the pathogenesis of CVD and related diseases.
  • SPARC presents a potential biomarker for CVD risk assessment.
  • Targeting SPARC offers a promising therapeutic avenue for managing cardiovascular and related inflammatory conditions.

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