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Carbonic Anhydrase and Hypoxia

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Biology".

Deadline for manuscript submissions: closed (20 December 2022) | Viewed by 3206

Special Issue Editor


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Guest Editor
Biomedical Research Centre, Department of Tumor Biology, Institute of Virology, Slovak Academy of Sciences Dubravska cesta 9, 84505 Bratislava, Slovakia
Interests: carbonic anhydrases; hypoxia; tumor microenvironment; metabolon; monoclonal antibodies; oxygen consumption

Special Issue Information

Dear Colleagues, 

Hypoxia is a key phenomenon associated not only with tumors but cardiovascular diseases as well. Its importance in physiological processes was raised by the Nobel prize winners in Physiology or Medicine in 2019. However, there are other factors of great significance, such as the “old-fashioned” enzymes, which are inevitably involved in disease progression.

Among the family of carbonic anhydrases, CAIX and CAXII used to be considered the enzymes regulated by hypoxia. It now seems there are other enzymes, isotopes of this family (e.g., CAII or CAIII), which may also be the game changers. Therefore, I believe that this Special Issue should be broadly conceived and targeted toward the role of carbonic anhydrases in hypoxia, with a primary focus on the regulators of their enzymatic activity.

We should concentrate on studies which are engaged in the relevance of hypoxia in the activity of these enzymes.

Besides basic research I also suggest a focus on diagnostics and therapy, and call in experts in physiological hypoxia or inhibitors (SMIs or antibodies).

Prof. Dr. Jaromír Pastorek
Guest Editor

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Published Papers (1 paper)

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Research

16 pages, 1358 KiB  
Article
Hypoxia Marker Carbonic Anhydrase IX Is Present in Abdominal Aortic Aneurysm Tissue and Plasma
by Katarina Grossmannova, Monika Barathova, Petra Belvoncikova, Viliam Lauko, Lucia Csaderova, Jan Tomka, Tomas Dulka, Jaromir Pastorek and Juraj Madaric
Int. J. Mol. Sci. 2022, 23(2), 879; https://doi.org/10.3390/ijms23020879 - 14 Jan 2022
Cited by 4 | Viewed by 2625
Abstract
Abdominal aortic aneurysms (AAA) are a significant cause of premature deaths worldwide. Since there is no specific treatment for reducing AAA progression, it is crucial to understand the pathogenesis leading to aneurysm wall weakening/remodeling and identify new proteins involved in this process which [...] Read more.
Abdominal aortic aneurysms (AAA) are a significant cause of premature deaths worldwide. Since there is no specific treatment for reducing AAA progression, it is crucial to understand the pathogenesis leading to aneurysm wall weakening/remodeling and identify new proteins involved in this process which could subsequently serve as novel therapeutic targets. In this study, we analyzed the presence of the hypoxia-related proteins carbonic anhydrase IX (CA IX), hypoxia-inducible factor 1α (HIF-1α), and AKT as the key molecule in the phosphoinositide-3-kinase pathway in the AAA wall. Additionally, we used a blood-based assay to examine soluble CA IX (s-CA IX) levels in the plasma of AAA patients. Using western blotting, we detected CA IX protein in 12 out of 15 AAA tissue samples. Immunohistochemistry staining proved CA IX expression in the media of the aneurysmal wall. Evaluation of phosphorylated (p-AKT) and total AKT showed elevated levels of both forms in AAA compared to normal aorta. Using ELISA, we determined the concentration of s-CA IX >20 pg/mL in 13 out of 15 AAA patients. Results obtained from in silico analysis of CA9 and aneurysm-associated genes suggest a role for CA IX in aneurysmal wall remodeling. Our results prove the presence of hypoxia-related CA IX in AAA tissues and indicate a possible role of CA IX in hypoxia-associated cardiovascular diseases. Full article
(This article belongs to the Special Issue Carbonic Anhydrase and Hypoxia)
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