OPCML: A Promising Biomarker and Therapeutic Avenue

Isidora Simovic1, Natalia Castaño-Rodríguez1, Nadeem O Kaakoush2

  • 1School of Biotechnology and Biomolecular Sciences, UNSW, Sydney, NSW 2052, Australia.

Trends in Cancer
|August 19, 2019
PubMed

Insights

Opioid-binding protein/cell adhesion molecule (OPCML) functions as a tumor suppressor by regulating cell growth and migration. Its epigenetic silencing in cancer suggests roles in diagnosis, prognosis, and therapy.

Area of Science:

  • Molecular biology
  • Cell biology
  • Cancer research

Background:

  • Opioid-binding protein/cell adhesion molecule (OPCML) is a plasma membrane protein found in various tissues.
  • OPCML is recognized as a potential tumor suppressor.
  • It modulates receptor tyrosine kinases (RTKs), impacting cellular processes like apoptosis and migration.

Purpose of the Study:

  • To investigate the role of OPCML in cancer.
  • To explore the implications of OPCML's epigenetic silencing in tumorigenesis.

Main Methods:

  • Analysis of OPCML expression patterns.
  • Investigation of OPCML's functional interactions with RTKs.
  • Evaluation of epigenetic silencing mechanisms affecting OPCML.

Main Results:

  • OPCML expression is epigenetically silenced in cancerous tissues.
  • OPCML's interaction with RTKs influences cell cycle arrest, apoptosis, and migration.
  • Silencing of OPCML correlates with tumor development.

Conclusions:

  • OPCML acts as a tumor suppressor through its regulation of RTK signaling pathways.
  • Epigenetic silencing of OPCML is a significant event in cancer development.
  • OPCML holds potential as a biomarker for cancer diagnosis and prognosis, and as a therapeutic target.

Related Concept Videos

Therapeutic Index01:13

Therapeutic Index

The therapeutic index of a drug is a key parameter in pharmacology that quantifies the relative safety of a drug by calculating the ratio between the dose that causes toxicity in half the population (50%) to the dose that proves to be effective for half the population (50%). It provides a spectrum of doses for a particular drug ranging from effective to potentially toxic. To illustrate, consider an anticoagulant agent like warfarin. It possesses a narrow window within its therapeutic index to...
6.7K
Therapeutic Communication01:30

Therapeutic Communication

Communication is a lifelong learning process. Through therapeutic communication, nurses can collect relevant assessment data, provide education and counseling, and interact during nursing interventions. Sending and receiving messages occur through verbal and nonverbal communication techniques and can happen separately or simultaneously.
Verbal communication depends on language or a prescribed way of using words so that people can share information effectively. The critical aspects of verbal...
7.5K
Microorganisms in Medicine and Therapeutics01:29

Microorganisms in Medicine and Therapeutics

Microorganisms play a fundamental role in vaccine development, gene therapy, and therapeutic production. Their biological properties are harnessed to advance medicine and public health. Beyond immunization, microorganisms contribute to gut health, antibiotic synthesis, and genetic disease treatment.Live Attenuated and Inactivated VaccinesLive attenuated vaccines, such as the measles, mumps, and rubella (MMR) vaccine, utilize weakened forms of pathogens to closely resemble natural infections.
998
Cholinergic Antagonists: Therapeutic Uses01:26

Cholinergic Antagonists: Therapeutic Uses

Antimuscarinic drugs have various therapeutic applications by inhibiting parasympathetic stimulation in different systems. Here are the key therapeutic uses of antimuscarinics:    
Respiratory Tract: Ipratropium, aclidinium, and tiotropium treat asthma, chronic bronchitis, and chronic obstructive pulmonary disease (COPD). They protect against bronchoconstriction caused by irritants like cigarette smoke, sulfur dioxide, and ozone. They also help reduce nasopharyngeal...
1.4K
Adrenergic Agonists: Therapeutic Uses01:30

Adrenergic Agonists: Therapeutic Uses

Adrenergic agonists have diverse therapeutic uses across various medical conditions and emergencies.
Emergency and Intensive Care Unit (ICU) applications: Pressor agents increase blood pressure, heart rate, and contractility in shock and organ failure situations. Dopamine can induce vasodilation and stimulate adrenoceptors. Endogenous catecholamines are effective in treating cardiogenic shock. α2-agonists like clonidine can reverse anesthesia-induced hypertension.
Allergies and...
1.8K
Blood Studies for Cardiovascular System I: Cardiac Biomarkers01:20

Blood Studies for Cardiovascular System I: Cardiac Biomarkers

Cardiac biomarkers are enzymes, proteins, and hormones released into the blood when cardiac cells are injured. They are powerful tools for triaging.
The essential diagnostic tools for detecting myocardial necrosis and monitoring individuals suspected of having acute coronary syndrome (ACS) include:
Troponins
Troponins, particularly cardiac troponins I and T, are the most precise and sensitive markers of myocardial injury. They are detectable within 4-6 hours of myocardial injury and remain...
808