The regulatory roles of calcium channels in tumors

Tiecheng Zhong1, Xiaohui Pan1, Jian Wang1

  • 1Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, Institute of Pharmacology and Toxicology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, PR China.

Biochemical Pharmacology
|August 16, 2019
PubMed

Insights

Calcium channels, once linked to cardiovascular and neuronal functions, are now implicated in cancer development and progression. This review explores their role in tumor characteristics and potential therapeutic interventions.

Area of Science:

  • Oncology
  • Molecular Biology
  • Biochemistry

Background:

  • Calcium ions (Ca2+) and their channels traditionally regulate cardiovascular and neuronal systems.
  • Emerging evidence implicates calcium channels in cancer initiation and progression.
  • The precise mechanisms and signaling pathways remain largely undefined.

Purpose of the Study:

  • To review the connection between calcium channels and key tumor characteristics.
  • To explore the role of calcium channels in multi-drug resistance, metastasis, apoptosis, proliferation, immune evasion, and tumor microenvironment.
  • To discuss potential therapeutic strategies targeting calcium channels in cancer.

Main Methods:

  • Literature review and synthesis of current research.
  • Focus on signaling transduction pathways involving calcium channels in tumorigenesis.
  • Analysis of experimental and clinical data linking calcium channel function to cancer hallmarks.

Main Results:

  • Calcium channels significantly influence tumor progression, including multi-drug resistance and metastasis.
  • These channels play a role in regulating cancer cell proliferation and apoptosis.
  • Alterations in calcium channel activity impact the tumor microenvironment and immune surveillance.

Conclusions:

  • Calcium channels are critical regulators of multiple cancer hallmarks.
  • Targeting calcium channels presents a promising therapeutic avenue for cancer treatment.
  • Further research is needed to fully elucidate the complex signaling networks involved.

Related Concept Videos

Roles of Electrolytes: Calcium and Phosphate01:27

Roles of Electrolytes: Calcium and Phosphate

Calcium and phosphate are essential electrolytes in the human body, with calcium being the most abundant mineral. Around 99% of the body's calcium is stored in the skeleton and teeth, forming a crystal lattice of mineral salts in combination with phosphates. Calcium plays crucial roles in various bodily functions such as blood clotting, neurotransmitter release, muscle tone maintenance, and nervous and muscle tissue excitability.
The calcium concentration in blood plasma is primarily...
1.1K
The Role of Ion Channels in Neuronal Computation01:19

The Role of Ion Channels in Neuronal Computation

A postsynaptic neuron usually receives numerous impulses from several other presynaptic neurons. The axon hillock of the postsynaptic neuron integrates all these signals and determines the likelihood of firing an action potential.
Sometimes a single EPSP is strong enough to induce an action potential in the postsynaptic neuron. However, multiple presynaptic inputs must often create EPSPs around the same time for the postsynaptic neuron to be sufficiently depolarized to fire an action potential....
3.7K
Antiepileptic Drugs: Calcium Channel Blockers01:17

Antiepileptic Drugs: Calcium Channel Blockers

Calcium channel blockers, a class of antiepileptic drugs, regulate the flow of calcium ions within neurons.
Calcium channel blockers exert their antiepileptic effects by targeting T-type calcium channels, which are integral to transmitting nerve signals in the central nervous system. These channels allow the passage of calcium ions, which are vital for neuronal communication. By inhibiting T-type calcium channels, calcium channel blockers effectively reduce the release of neurotransmitters and...
1.2K
Cis-regulatory Sequences02:02

Cis-regulatory Sequences

Cis-regulatory sequences are short fragments of non-coding DNA that are present on the same chromosomes as the genes that they regulate. These fragments serve as binding sites for transcriptional regulators, proteins that are responsible for controlling gene transcription and differential gene expression across cell types in eukaryotes. Cis-regulatory sequences can be close to the gene of interest or thousands of bases away in the DNA sequence; however, those sequences that are further away are...
11.6K
Cis-regulatory Sequences02:02

Cis-regulatory Sequences

4.0K
Antianginal Drugs: Calcium Channel Blockers and Ranolazine01:25

Antianginal Drugs: Calcium Channel Blockers and Ranolazine

Angina pectoris, a primary symptom of ischemic heart disease, requires careful pharmacological interventions. In this context, calcium channel blockers (CCBs) and ranolazine have emerged as crucial pharmacotherapeutic agents, providing deep insights into the complexities of angina management.
CCBs, a diverse class that includes dihydropyridines (nifedipine) and diphenylalkylamines (verapamil and diltiazem), exert their effect by blocking calcium channels in cardiac and smooth muscle cells. This...
1.4K