α2-Antiplasmin Antibodies: Essential Tools for Fibrinolysis, Hemostasis, and Disease Research

α2-Antiplasmin Antibodies: Essential Tools for Fibrinolysis, Hemostasis, and Disease Research

α2-Antiplasmin Antibodies: Essential Tools for Fibrinolysis, Hemostasis, and Disease Research

Published by ANT BIO PTE. LTD.

Concept

α2-Antiplasmin (α2-AP) is a 70 kDa single‑chain glycoprotein and the primary physiological inhibitor of plasmin in the fibrinolytic system. As a key member of the serine protease inhibitor (SERPIN) superfamily, α2-AP rapidly binds and inactivates free plasmin, regulates clot lysis kinetics, preserves vascular integrity, and maintains the delicate balance between coagulation and fibrinolysis. It is synthesized mainly in the liver, circulates in plasma at ~1 μM, and acts as the fastest‑acting endogenous plasmin inhibitor. Specific α2-AP antibodies are irreplaceable for studying fibrinolytic regulation, diagnosing bleeding/thrombotic disorders, and exploring cancer and inflammatory diseases.

[Image Location: α2‑Antiplasmin Structure and Functional Domains Diagram]

Research Frontier

α2-AP has evolved from a pure coagulation regulator to a multifunctional protein involved in thrombosis, bleeding disorders, cancer metastasis, inflammation, and autoimmune diseases. Recent advances highlight:

  • Genetic variants linked to hereditary α2-AP deficiency and thrombotic risk
  • Soluble α2-AP as a prognostic biomarker in DIC, liver disease, and cancer
  • Conformation‑specific antibodies distinguishing free vs. plasmin‑complexed α2-AP
  • Therapeutic antibodies and ADCs targeting α2-AP for cancer and fibrinolytic disorders

Highly specific α2-AP antibodies enable precise detection, quantification, and functional analysis across basic and translational research.

Research Significance

Disruption of α2-AP activity causes severe hemostatic imbalance:

  • Deficiency: Bleeding diathesis, delayed wound healing, hemorrhage
  • Excess: Hypofibrinolysis, venous thromboembolism (VTE), atherosclerosis
  • Dysregulation: DIC, liver failure, cancer progression, autoimmune injury

α2-AP antibodies provide reliable tools for:

  • Identifying hereditary α2-AP deficiency
  • Stratifying thrombotic/hemorrhagic risk
  • Monitoring antifibrinolytic therapy
  • Exploring α2-AP roles in tumor microenvironments
  • Discovering novel therapeutic targets

Related Mechanisms and Research Applications

Core Biological Mechanisms

  1. Plasmin Inhibition

Rapidly neutralizes free plasmin to prevent systemic hyperfibrinolysis.

  1. Clot Stability Regulation

Binds fibrin via the N‑terminal domain to slow local fibrinolysis.

  1. Vascular Protection

Preserves endothelial basement membrane integrity.

  1. Disease Links

Elevated in thrombosis; reduced in DIC and liver disease; dysregulated in cancer and autoimmunity.

Key Research Methods

  • Immunoassays: IHC, WB, IF, ELISA for quantification and localization
  • Functional assays: Plasmin inhibition activity measurement
  • Protein interaction: Co‑IP, pull‑down for α2-AP–plasmin complex analysis
  • Clinical diagnostics: Quantitative antigen testing for deficiency and monitoring

ANTBIO Product Empowerment

ANT BIO PTE. LTD. provides a complete set of high‑performance reagents for α2-AP research:

  • α2‑Antiplasmin Specific Antibodies (Starter)

Validated for WB, IHC, IF, and ELISA; high specificity, low cross‑reactivity.

  • Human α2‑AP ELISA Kits (Absin)

Sensitive, accurate quantification in plasma, serum, and tissue homogenates.

  • Recombinant α2‑AP Protein (UA)

Bioactive full‑length protein for functional and binding studies.

  • Fibrinolysis & Coagulation General Reagents (Absin)

Optimized buffers and diluents for consistent results.

These tools support reproducible research in hemostasis, thrombosis, cancer, and inflammation.

Brand Mission

ANT BIO PTE. LTD. is dedicated to advancing life science research by delivering high‑quality, reliable reagents for coagulation, fibrinolysis, cardiovascular disease, cancer, and immunology. Our integrated portfolio of antibodies, recombinant proteins, ELISA kits, and universal reagents empowers scientists worldwide to explore disease mechanisms, validate biomarkers, and develop innovative therapies.

Related Product List

  1. α2-Antiplasmin Monoclonal Antibody

Catalog No.: S0Bxxxx

Applications: WB, IHC, IF, ELISA

Reactivity: Human

Features: High specificity, lot‑to‑lot consistency

  1. Human α2-Antiplasmin (α2-AP) ELISA Kit

Catalog No.: abs551xxx

Sample: Plasma, serum, cell supernatant

Method: Sandwich ELISA

  1. Recombinant Human α2-Antiplasmin Protein

Catalog No.: UAxxxx

Purity: ≥95%

Application: Functional assay, protein interaction

  1. Coagulation & Fibrinolysis General Reagents

Brand: Absin

Includes: lysis buffer, blocking solution, diluents

ANT BIO PTE. LTD. – Empowering Scientific Breakthroughs

At ANTBIO, we are committed to advancing life science research through high-quality, reliable reagents and comprehensive solutions. Our specialized sub-brands (Absin, Starter, UA) cover a full spectrum of research needs, from general reagents and kits to antibodies and recombinant proteins. With a focus on innovation, quality, and customer-centricity, we strive to be your trusted partner in unlocking scientific mysteries and driving medical progress. Explore our product portfolio today and elevate your research to new heights.