Pro-Inflammatory Signaling Cascade Markers, Oxidative Stress-Inflammatory Signaling Axis, and Chronic Total Occlusion of Tibial Artery in Elderly Patients Suffering from Occlusion of Coronary Arteries

  • 0Xiamen Road Branch Hospital, The Second People's Hospital of Huai'an of Xuzhou Medical University, Huaian 223005, China.

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Summary

This summary is machine-generated.

Oxidative stress and inflammatory genes like TLR4 and NF-κB are elevated in elderly patients with tibial artery and coronary artery occlusions. These factors contribute to the progression of atherosclerosis and arterial disease.

Area Of Science

  • Cardiovascular Medicine
  • Molecular Biology
  • Geriatrics

Background

  • Oxidative response is a known risk factor contributing to the progression of arterial atherosclerosis.
  • Understanding the interplay between oxidative stress and inflammatory pathways is crucial for managing cardiovascular diseases.

Purpose Of The Study

  • To investigate the impact of oxidative response on atherosclerotic susceptibility.
  • To examine the role of pro-inflammatory mediator genes in the development of tibial artery arteriosclerosis occlusions.
  • To assess these effects in elderly patients with coronary artery occlusions.

Main Methods

  • Measured oxidative stress biomarkers: Malondialdehyde-modified Low-density Lipoprotein (MDA-LDL), Oxidized Low-density Lipoprotein (Ox-LDL), and Heme Oxygenase-1 (HO-1).
  • Assessed the expression of pro-inflammatory mediator genes: Toll-like Receptor 4 (TLR4), Nuclear Factor kappa-B (NF-κB), Myeloid Differentiating factor 88 (MyD88), and Growth Arrest-specific gene 6 (GAS6).
  • Correlated these markers with the severity of tibial artery arteriosclerosis in elderly patients with coronary artery occlusions.

Main Results

  • Elevated levels of MDA-LDL, Ox-LDL, HO-1, TLR4, NF-κB, MyD88, and GAS6 were observed in patients with tibial artery occlusions and multi-vessel coronary occlusions.
  • These biomarkers showed a significant increase with the severity of coronary artery disease.
  • Confirmed the significant roles of oxidative stress and pro-inflammatory genes in tibial artery arteriosclerosis.

Conclusions

  • Oxidative response appears to promote the expression of inflammatory genes.
  • This promotion enhances susceptibility to arteriosclerosis occlusions of the tibial artery.
  • The findings are particularly relevant for elderly patients with chronic total coronary occlusions.