[Determination of cytokines and adhesion molecules in elderly and senile patients with aortic valve calcification.]

N A Mikheeva1, N I Gulyaev2, I B Oleksyuk2

  • 1Saint-Petersburg Institute of Bioregulation and Gerontology, 3 Dinamo pr., St. Petersburg, 197110, Russian Federation.

Insights

Chronic inflammation, indicated by elevated IL-6 and IL-8, plays a role in initial aortic valve calcification. Lower sE-selectin suggests adhesion molecules may not be activated early on.

Area of Science:

  • Biochemistry
  • Immunology
  • Cardiovascular Medicine

Background:

  • Calcifying aortic valve disease (CAVD) is a common cardiovascular condition.
  • The early stages of CAVD involve complex inflammatory and molecular processes.
  • Understanding these early mechanisms is crucial for potential interventions.

Purpose of the Study:

  • To investigate the role of specific cytokines and intercellular adhesion molecules in the initial stages of aortic valve calcification.
  • To explore the relationship between inflammation markers and early signs of CAVD.

Main Methods:

  • Laboratory analysis of cytokine profiles in patients with initial aortic valve calcification.
  • Measurement of intercellular adhesion molecule content.
  • Comparison of patient group data with a control group.

Main Results:

  • Significantly elevated levels of Interleukin-6 (IL-6) and Interleukin-8 (IL-8) were observed in patients compared to controls.
  • These findings suggest a direct role for nonspecific chronic inflammation in calcifying aortic valve damage.
  • A significantly lower content of soluble E-selectin (sE-selectin) was identified, potentially indicating a lack of adhesion molecule activation in early CAVD.

Conclusions:

  • Nonspecific chronic inflammation is implicated in the early development of calcifying aortic valve damage.
  • The reduced levels of sE-selectin may suggest that adhesion molecule activation is not a primary event in the initial phase of CAVD.
  • Further research is needed to track sE-selectin and sP-selectin dynamics during blood flow acceleration and stenosis development.