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Heart Failure: From Molecular Insights to Future Treatments

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Pathology, Diagnostics, and Therapeutics".

Deadline for manuscript submissions: closed (31 March 2024) | Viewed by 2378

Special Issue Editor


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Guest Editor
National & Kapodistrian University of Athens Medical School, Attikon University Hospital, Athens, Greece
Interests: chronic heart failure; acute heart failure; clinical cardiology cardiology; heart failure; cardiomyopathies; cardiovascular medicine; cardiovascular pharmacology; pulmonary hypertension; hemoglobinopathies

Special Issue Information

Dear Colleagues,

Heart failure is a severe clinical syndrome, and despite the important therapeutic advances of the past few years, it is still characterized by high mortality and morbidity rates. Targeting this residual mortality and morbidity thus remains a key unmet need, and besides promoting the implementation of existing guideline-directed therapies, the evaluation of potential new therapeutic targets is essential. In this context, this Special Issue explores three relevant topics:

  1. The interplay between oral cardioactive medications and gut microbiota;
  2. The role of inflammation as a therapeutic target in heart failure;
  3. Novel therapeutic strategies beyond the currently established ones.

The accumulated scientific work suggests a relationship between cardiovascular drugs and the intestinal environment, mostly the gut microbiota. It seems that not only antibiotics, but also more than one-fourth of non-antibiotic drugs affect the gut microbiota and its metabolic products. In addition, this may not be a one-way relationship, as the gut microbiota may modify the response to oral medications. Although there are several published scientific reports related to the interaction between orally administered drugs and the gut microbiota, little is known about the effects of drug delivery on the intestinal environment in patients with cardiovascular diseases and the possible consequences that these effects may have on the response to drug therapy.

Inflammation in heart failure is a key and complex process including many factors and pathways that are not yet fully elucidated. There is a strong association between measures of inflammation and heart failure severity and prognosis. Still, although several therapeutic strategies targeting inflammation have been tested in these patients, the results remain inconclusive. Immunomodulation therapy may provide a beneficial immune response to decrease pro-inflammatory pathways and increase anti-inflammatory pathways. Systemic anti-inflammatory and immunomodulatory therapies including methotrexate, colchicine and statins, as well as new therapies targeting specific inflammatory factors such as TNF alpha, interleukin-1beta, interleukin-6, galectin-3 and myeloperoxidase appear as promising treatment options. Current and future studies are expected to provide more solid evidence on this topic.

Prof. Dr. Dimitrios Farmakis
Guest Editor

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Keywords

  • cardiology
  • cardiovascular disease
  • cardioactive medications
  • gut microbiota
  • inflammation
  • heart failure

Published Papers (2 papers)

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Review

12 pages, 657 KiB  
Review
Oral Cardiac Drug–Gut Microbiota Interaction in Chronic Heart Failure Patients: An Emerging Association
by Ioannis Paraskevaidis, Alexandros Briasoulis and Elias Tsougos
Int. J. Mol. Sci. 2024, 25(3), 1716; https://doi.org/10.3390/ijms25031716 - 31 Jan 2024
Cited by 1 | Viewed by 1076
Abstract
Regardless of the currently proposed best medical treatment for heart failure patients, the morbidity and mortality rates remain high. This is due to several reasons, including the interaction between oral cardiac drug administration and gut microbiota. The relation between drugs (especially antibiotics) and [...] Read more.
Regardless of the currently proposed best medical treatment for heart failure patients, the morbidity and mortality rates remain high. This is due to several reasons, including the interaction between oral cardiac drug administration and gut microbiota. The relation between drugs (especially antibiotics) and gut microbiota is well established, but it is also known that more than 24% of non-antibiotic drugs affect gut microbiota, altering the microbe’s environment and its metabolic products. Heart failure treatment lies mainly in the blockage of neuro-humoral hyper-activation. There is debate as to whether the administration of heart-failure-specific drugs can totally block this hyper-activation, or whether the so-called intestinal dysbiosis that is commonly observed in this group of patients can affect their action. Although there are several reports indicating a strong relation between drug–gut microbiota interplay, little is known about this relation to oral cardiac drugs in chronic heart failure. In this review, we review the contemporary data on a topic that is in its infancy. We aim to produce scientific thoughts and questions and provide reasoning for further clinical investigation. Full article
(This article belongs to the Special Issue Heart Failure: From Molecular Insights to Future Treatments)
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19 pages, 318 KiB  
Review
Targeting Key Inflammatory Mechanisms Underlying Heart Failure: A Comprehensive Review
by Adamantia Papamichail, Christos Kourek, Alexandros Briasoulis, Andrew Xanthopoulos, Elias Tsougos, Dimitrios Farmakis and Ioannis Paraskevaidis
Int. J. Mol. Sci. 2024, 25(1), 510; https://doi.org/10.3390/ijms25010510 - 29 Dec 2023
Cited by 1 | Viewed by 1117
Abstract
Inflammation is a major component of heart failure (HF), causing peripheral vasculopathy and cardiac remodeling. High levels of circulating inflammatory cytokines in HF patients have been well recognized. The hallmark of the inflammatory imbalance is the insufficient production of anti-inflammatory mediators, a condition [...] Read more.
Inflammation is a major component of heart failure (HF), causing peripheral vasculopathy and cardiac remodeling. High levels of circulating inflammatory cytokines in HF patients have been well recognized. The hallmark of the inflammatory imbalance is the insufficient production of anti-inflammatory mediators, a condition that leads to dysregulated cytokine activity. The condition progresses because of the pathogenic consequences of the cytokine imbalance, including the impact of endothelial dysfunction and adrenergic responsiveness deterioration, and unfavorable inotropic effects on the myocardium. Hence, to develop possible anti-inflammatory treatment options that will enhance the outcomes of HF patients, it is essential to identify the potential pathophysiological mechanisms of inflammation in HF. Inflammatory mediators, such as cytokines, adhesion molecules, and acute-phase proteins, are elevated during this process, highlighting the complex association between inflammation and HF. Therefore, these inflammatory markers can be used in predicting prognosis of the syndrome. Various immune cells impact on myocardial remodeling and recovery. They lead to stimulation, release of alarmins and risk-related molecule patterns. Targeting key inflammatory mechanisms seems a quite promising therapy strategy in HF. Cytokine modulation is only one of several possible targets in the fight against inflammation, as the potential molecular targets for therapy in HF include immune activation, inflammation, oxidative stress, alterations in mitochondrial bioenergetics, and autophagy. Full article
(This article belongs to the Special Issue Heart Failure: From Molecular Insights to Future Treatments)
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