Cited by 103Protease and Inhibitor MechanismsBiomarkers in Disease MechanismsBlood Coagulation and Thrombosis Mechanisms

SERPINA3: Stimulator or Inhibitor of Pathological Changes

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de Mezer, Mateusz, Rogaliński, Jan, Przewoźny, Stanisław, Chojnicki, Michał, Niepolski, Leszek, Sobieska, Magdalena, Przystańska, Agnieszka·2023·Biomedicines

Abstract

SERPINA3, also called α-1-antichymotrypsin (AACT, ACT), is one of the inhibitors of serine proteases, one of which is cathepsin G. As an acute-phase protein secreted into the plasma by liver cells, it plays an important role in the anti-inflammatory response and antiviral response. Elevated levels of SERPINA3 have been observed in heart failure and neurological diseases such as Alzheimer’s disease or Creutzfeldt–Jakob disease. Many studies have shown increased expression levels of the SERPINA3 gene in various types of cancer, such as glioblastoma, colorectal cancer, endometrial cancer, breast cancer, or melanoma. In this case, the SERPINA3 protein is associated with an antiapoptotic function implemented by adjusting the PI3K/AKT or MAPK/ERK 1/2 signal pathways. However, the functions of the SERPINA3 protein are still only partially understood, mainly in the context of cancerogenesis, so it seems necessary to summarize the available information and describe its mechanism of action. In particular, we sought to amass the existing body of research focusing on the description of the underlying mechanisms of various diseases not related to cancer. Our goal was to present an overview of the correct function of SERPINA3 as part of the defense system, which unfortunately easily becomes the “Fifth Column” and begins to support processes of destruction.

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Crossref · 10.3390/biomedicines11010156

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  • SERPINA3 is an inhibitor of cathepsin G, another protease important in neutrophil related immune responses and implicated in inflammation related tissue damage.

    “SERPINA3 is an inhibitor of cathepsin G, another protease important in neutrophil related immune responses and implicated in inflammation related tissue damage23.”

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Authors
de Mezer, M., Rogaliński, J., Przewoźny, S., Chojnicki, M., Niepolski, L., Sobieska, M., & Przystańska, A.
Affiliations
  • Department of Immunobiology, Poznan University of Medical Sciences, Rokietnicka 8, 60-806 Poznan, Poland
  • Poznan University of Medical Sciences (PL)
Venue
Biomedicines
Publisher
MDPI AG
Published
2023-01-07
Volume
11
Issue
1
Pages
156
ISSN
2227-9059 (ISSN-L)
OpenAlex
W4313826313
Cited by
103
References
97
Citations by year
2026: 30 · 2025: 32 · 2024: 32 · 2023: 9
FWCI
3.28
Type
journal article
Language
en
Open access
Locations
  • Biomedicines (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Protease and Inhibitor Mechanisms
  • Life Sciences › Immunology and Microbiology › Immunology › Biomarkers in Disease Mechanisms
  • Health Sciences › Medicine › Hematology › Blood Coagulation and Thrombosis Mechanisms
Keywords
alpha-1-antichymotrypsin, serine protease inhibitors, cathepsin G, acute phase proteins, anti-inflammatory response, antiviral response, heart failure, Alzheimer's disease, Creutzfeldt-Jakob disease, cancer, antiapoptotic function, PI3K/Akt signaling, MAPK/ERK1/2 signaling, cancerogenesis

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