CARDIOVASCULAR PROTECTION

Cardiovascular effects of Fullerene derivatives: A review of current evidence

Alexander V. Syrensky, Elena I. Egorova, Ilia V. Alexandrov, and Michael M. Galagudza
V.A. Almazov Research Institute of Cardiology of the Ministry of Health Care and Saint-Petersburg I.P. Pavlov Federal Medical University, Saint-Petersburg, Russian Federation
Kopf Carrier #63 (2006)

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Summary:

Cardiovascular effects of Fullerene derivatives

During two last decades, several unique physical and chemical properties of buckminsterfullerene or fullerene C60 have been described. However, much less is known about the effects of fullerenes and their derivatives on biological systems.

Evidence is beginning to accumulate that fullerenes may exert influence on different physiological and pathophysiological processes primarily because of their antioxidant effects.

The present paper focuses on the cardiovascular effects of fullerene C60 and its water-soluble derivatives.

We present available evidence on the protective effects of fullerenes in ischemia-reperfusion injury and their influence on vascular tone. In addition, we review data on the antiproliferative and antiatherogenic effects of fullerene derivatives. Perspectives of fullerenes utilization for photodynamic therapy of cardiovascular diseases are also discussed.

Current findings demonstrate that fullerenes may show several potentially physiologically and clinically relevant activities, including antiischemic effect, vasodilatation, inhibition of low-density lipoprotein oxidation, and limitation of proliferative activity of vascular smooth muscle cells. Additional studies will be required to define the molecular mechanisms responsible for the observed effects.

Conclusion:

A whole series of photosensitisers including fullerene C60 and its derivatives is able to inactivate various types of viruses and, particularly, human immunodeficiency virus (HIV).

The exact mechanisms of photodynamic virus inactivation remains obscure and may, conceivably, involve direct damaging effect of 1Î2, cleavage of viral DNA, and formation of new crosslinks in viral membrane and capsid proteins.

Taking into account viral theory of atherosclerosis suggesting the key etiological role of cytomegalo- and herpesviruses, it seems logical to assume that PDT of coronary vessels with fullerenes may theoretically be a useful tool in prevention of atherosclerosis. However, the detailed investigation of photodynamic antiviral effects of fullerenes is required to validate this concept.

Study analysis

In the last two decades, buckminsterfullerene, or fullerene C60, has drawn considerable scientific attention due to its unique physical and chemical properties. The compelling research by Syrensky, Egorova, Alexandrov, and Galagudza probes deeper into the potential cardiovascular applications of these fascinating nanostructures. Their review encompasses the potential of fullerenes in mitigating ischemia-reperfusion injury, influencing vascular tone, and their potential in photodynamic therapy for cardiovascular diseases.

The antioxidative effects of fullerenes take center stage in this paper, opening up a new vista of possibilities in treating cardiovascular ailments. The researchers' groundbreaking findings propose fullerenes' anti-ischemic effects, vasodilatation, inhibition of low-density lipoprotein oxidation, and the limitation of the proliferative activity of vascular smooth muscle cells. This proposes a new therapeutic approach towards cardiovascular health, particularly in conditions like atherosclerosis.

The article also touches on the intriguing concept of using fullerenes as photosensitizers to potentially inactivate various viruses, including the human immunodeficiency virus (HIV). Although the mechanism remains hazy, this could have far-reaching implications, even offering a new approach in atherosclerosis prevention. As the body of evidence grows, fullerene derivatives reaffirm their potential as game-changers in cardiovascular therapy. Future studies focusing on the molecular mechanisms of their observed effects would be a valuable addition to the existing knowledge pool.

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