Decreasing Tumor Growth and Angiogenesis by Inhibition of Coagulation

Yona Nadir1

  • 1Thrombosis and Hemostasis Unit, Department of Hematology, Rambam Health Care Campus, Haifa, Israel.

Insights

Inhibiting heparanase, a protein linked to tumor growth and coagulation, offers a promising cancer treatment strategy. This approach avoids the bleeding risks associated with traditional anticoagulants, paving the way for safer antitumor drugs.

Area of Science:

  • Biochemistry
  • Oncology
  • Pharmacology

Background:

  • Coagulation proteins are known to promote angiogenesis and tumor growth.
  • Traditional anticoagulants like warfarin and heparins carry bleeding risks, limiting their therapeutic potential in cancer.
  • Heparanase protein, a cofactor for tissue factor (TF), enhances coagulation and tumor progression through non-hemostatic effects.

Purpose of the Study:

  • To explore the potential of targeting the coagulation system for cancer treatment.
  • To investigate heparanase as a therapeutic target for reducing tumor growth and metastasis.
  • To identify anticoagulant strategies with a low bleeding tendency.

Main Methods:

  • Review of existing data on coagulation proteins and cancer.
  • Analysis of heparanase function in tumor biology and coagulation.
  • Evaluation of heparin mimetics and TF pathway inhibitor 2-derived heparanase inhibitors.

Main Results:

  • Heparanase enhances coagulation activation and possesses non-hemostatic pro-tumorigenic effects.
  • Heparin mimetics and TF pathway inhibitor 2 derivatives inhibit heparanase.
  • These heparanase inhibitors exhibit a low bleeding tendency.

Conclusions:

  • Targeting heparanase activity presents a promising strategy for developing novel antitumor drugs.
  • Inhibiting heparanase offers an alternative to traditional anticoagulants with reduced bleeding risk.
  • Interference with heparanase offers a dual benefit of inhibiting coagulation and tumor growth.

Related Concept Videos

Coagulation01:06

Coagulation

Colloidal solids are solid particles suspended in solution. They are usually negatively charged, attracting a compact primary layer of positively charged ions, which attract more counterions to form an electrical double layer. Electrostatic repulsion between the charged double layers prevents the particles from colliding, stabilizing the colloids. These solids are often undesirable because they can contain toxins that are difficult to remove. Coagulation is a technique that helps aggregate and...
1.3K
Coagulation01:09

Coagulation

The coagulation phase is a critical part of the body's process to prevent blood loss following injury to blood vessels. It involves chemical reactions that form a clot to seal the injured area. The clotting process begins shortly after injury, within 15-20 seconds for severe damage and 1-2 minutes for minor injuries.
During the coagulation phase, clotting factors, or procoagulants, play a vital role in initiating and progressing the coagulation cascade. This cascade is a series of reactions...
9.7K
Feedback Inhibition00:46

Feedback Inhibition

Biochemical reactions are occurring constantly in cells, converting starting substances to different products, usually with the help of enzymes that speed the reactions. Without enzymes, it would take far too long for most reactions to occur to be useful to the cell!
56.9K
Decreased Body Temperature01:29

Decreased Body Temperature

A decreased body temperature can occur in patients with hypothermia and frostbite. Heat loss with extended cold exposure overpowers the body's ability to create heat, resulting in hypothermia. Core temperature readings help classify hypothermia. Mild hypothermia is temperatures between 32 °C (89.6 °F) and 35°C (95 °F) and is caused by impaired thermoregulation. Moderate hypothermia is temperatures between 28 C (82.4 °F) and 32 °C (89.6 °F) caused by...
1.0K
Decreased pulse rate01:14

Decreased pulse rate

Bradycardia is a medical condition in which the heart rate is slower than normal. It occurs when the heart's natural pacemaker, the sinus node, generates slower electrical impulses than the standard rhythm. In adults, bradycardia is diagnosed when the pulse rate falls below 60 beats per minute, indicating a deviation from the normal heart rate range.
There are specific risk factors that can elevate the likelihood of developing bradycardia. Advanced age is a significant factor, with...
852
Mechanism of Angiogenesis01:10

Mechanism of Angiogenesis

Blood vessel formation starts early during embryonic development, around day 7. In the extraembryonic yolk sac, mesodermal precursor cells called hemangioblast proliferate and differentiate into angioblast. Angioblasts express vascular endothelial growth factor receptor 2 or VEGFR2, which binds VEGF-A, a proangiogenic factor, guiding blood vessel formation. VEGF signaling promotes angioblasts to form a blood island in the developing embryo. Angioblasts further differentiate, giving rise to...
6.7K