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Osteogenesis in calcified aortic valve disease: From histopathological observation towards molecular understanding

Xiaohong Liu1, Zhiyun Xu1

  • 1Institute of Cardiothoracic Surgery, Changhai Hospital, Second Military Medical University, 168, Changhai Rd., Shanghai, 200433, People's Republic of China.

Progress in Biophysics and Molecular Biology
|March 15, 2016
PubMed

Insights

Calcified aortic valve disease (CAVD) involves bone-like formation in heart valves. This review explores the cellular and molecular mechanisms driving this regulated osteogenesis process in CAVD progression.

Area of Science:

  • Cardiovascular Biology
  • Biomineralization
  • Molecular Cardiology

Background:

  • Calcified aortic valve disease (CAVD) is a prevalent condition in aging populations, progressing from valve thickening to severe calcification.
  • Historically, CAVD calcification was viewed as a passive, degenerative process due to wear and tear.
  • Emerging evidence reveals valvular calcification as a regulated, active process akin to osteogenesis (bone formation).

Purpose of the Study:

  • To review the current understanding of osteogenesis in the progression of calcified aortic valve disease.
  • To highlight recent advancements in cellular and molecular mechanisms underlying valvular calcification.
  • To provide insights into the actively regulated nature of CAVD.

Main Methods:

  • Literature review focusing on histopathological, clinical, and molecular data related to CAVD.
  • Analysis of studies investigating the osteogenic process in valvular calcification.
  • Synthesis of recent findings on cellular and molecular pathways involved in CAVD.

Main Results:

  • Valvular calcification in CAVD is not merely passive deposition but a tightly regulated process.
  • The molecular mechanisms driving CAVD share similarities with physiological osteogenesis.
  • Understanding these mechanisms is crucial for developing targeted therapies.

Conclusions:

  • Calcified aortic valve disease progression is characterized by active, bone-formation-like processes.
  • Recent research has elucidated key cellular and molecular players in valvular osteogenesis.
  • Further investigation into these mechanisms holds promise for novel therapeutic strategies against CAVD.

Keywords:
CalcificationCalcified aortic valve diseaseOsteogenesis

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