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Pulmonary Hypertension: Molecular Diagnosis, Pathogenesis, Biomarkers and Therapies

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: 20 October 2025 | Viewed by 548

Special Issue Editor


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Guest Editor
Cardiology Unit, University Policlinic Hospital Riuniti, Viale Luigi Pinto 1, 71122 Foggia, Italy
Interests: heart failure; pulmonary hypertension; pulmonary arterial hypertension; cardiomyopathies; cardiovascular medicine

Special Issue Information

Dear Colleagues,

Pulmonary arterial hypertension (PAH) is a rare condition, characterized by high pulmonary artery pressure, leading to right ventricular (RV) dysfunction and potential life-threatening consequences. PAH involves complex mechanisms: vasoconstriction, vascular remodeling, endothelial dysfunction, inflammation, oxidative stress, fibrosis, RV remodeling, metabolic imbalance, and thrombosis. These mechanisms are mediated by several pathways, like nitric oxide and prostacyclin.

PAH falls into Group 1 of pulmonary hyperthension (PH), with specific therapies. Early and accurate diagnosis is crucial and requires clinical evaluation and right heart catheterization. Mortality rates remain high, despite the development of new classes of drugs and the recent discovery of new pathways.

This Special Issue aims to delve deeper into molecular diagnosis, pathogenesis, biomarkers and therapies of PH, presenting the main innovations on biomolecular experiments, molecular mechanisms and pathophysiology underlying the development of PH, as well as new pharmacological discoveries to counteract this condition.

Dr. Michele Correale
Guest Editor

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Keywords

  • pulmonary hypertension
  • pulmonary arterial hypertension
  • pulmonary vascular disease
  • pulmonary circulation
  • cor pulmonale
  • chronic lung disease

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Published Papers (1 paper)

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Research

15 pages, 3300 KB  
Article
Effects of Dietary Terpinen-4-ol on Oxidative Stress and Mitochondrial Biogenesis in the Liver of Broilers with Pulmonary Hypertension Syndrome
by Xinyue Jiang, Liang Fei, Yayun Yang, Jiao Han, Zhaoxin Tang, Jianzhao Liao, Lianmei Hu, Ying Li and Jiaqiang Pan
Int. J. Mol. Sci. 2025, 26(16), 7702; https://doi.org/10.3390/ijms26167702 - 9 Aug 2025
Viewed by 249
Abstract
Pulmonary hypertension syndrome (PHS), a metabolic disorder causing economic losses in broilers, arises from hypoxia-induced portal hypertension and liver cirrhosis, triggering mitochondrial oxidative damage, excessive ROS production, and altered mitochondrial biogenesis. This study explored terpinen-4-ol (T4O), known for antimicrobial and anti-inflammatory properties, in [...] Read more.
Pulmonary hypertension syndrome (PHS), a metabolic disorder causing economic losses in broilers, arises from hypoxia-induced portal hypertension and liver cirrhosis, triggering mitochondrial oxidative damage, excessive ROS production, and altered mitochondrial biogenesis. This study explored terpinen-4-ol (T4O), known for antimicrobial and anti-inflammatory properties, in mitigating PHS. Broilers were divided into four groups, including PHS-affected birds with/without T4O supplementation. Analyses revealed that PHS birds exhibited reduced antioxidant capacity, elevated MDA and ROS levels, increased mitochondrial numbers, and upregulated expression of oxidative stress markers (Keap1, HO-1, Nrf-2) and mitochondrial biogenesis regulators (PGC-1α, Nrf-1, Tfam). T4O administration enhanced antioxidant activity, reduced ROS and MDA, suppressed compensatory mitochondrial proliferation, and downregulated Keap1/Nrf-2 and mitochondrial biogenesis pathways. These effects suggest that T4O alleviates hypoxia-driven oxidative stress and mitochondrial dysfunction in broilers. Findings highlight T4O’s potential as a therapeutic agent to mitigate PHS-related losses in poultry production. Full article
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