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Related Concept Videos

Interactions Between Signaling Pathways01:19

Interactions Between Signaling Pathways

Signaling cascades usually lack linearity. Multiple pathways interact and regulate one another, allowing cells to integrate and respond to diverse environmental stimuli.
Convergence and divergence, and cross-talk between signaling pathways
Two distinct signaling pathways can converge on a single functional unit, which may either be a single protein or a complex of proteins. The response is either functionally distinct or synergistic between the two pathways but different from the response...
Amplifying Signals via Enzymatic Cascade01:22

Amplifying Signals via Enzymatic Cascade

When a ligand binds to a cell-surface receptor, the receptor's intracellular domain changes shape, which may either activate its enzyme function or allow its binding to other molecules. The initial signal is amplified by most signal transduction pathways. This means that a single ligand molecule can activate multiple molecules of a downstream target. Proteins that relay a signal are most commonly phosphorylated at one or more sites, activating or inactivating the protein. Kinases catalyze the...
Signal Transduction: Overview01:26

Signal Transduction: Overview

Cells respond to many types of information, often through receptor proteins positioned on the membrane. They respond to chemical signals, such as hormones, neurotransmitters, and other signaling molecules, initiating a series of molecular reactions to produce an appropriate response. This is called signal transduction. Cells also coordinate different responses elicited by the same signaling molecule via mediators, allowing molecular cross-talk.
Typically, signal transduction involves three...
Targeted Cancer Therapies02:57

Targeted Cancer Therapies

The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
There are several types of targeted therapies against specific...
Targeted Cancer Therapies02:57

Targeted Cancer Therapies

The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
There are several types of targeted therapies against specific...
Transducer Mechanism: Enzyme-Linked Receptors01:27

Transducer Mechanism: Enzyme-Linked Receptors

Enzyme-linked receptors are cell-surface receptors acting as an enzyme or associating with an enzyme intracellularly. They make excellent drug targets. Drugs can bind to the extracellular ligand-binding domain or directly affect their enzymatic domain and alter their activity.
Major types that are helpful drug targets include:

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Mimicking the Function of Signaling Proteins: Toward Artificial Signal Transduction Therapy
12:24

Mimicking the Function of Signaling Proteins: Toward Artificial Signal Transduction Therapy

Published on: September 29, 2016

Advances in targeting signal transduction pathways.

James A McCubrey1, Linda S Steelman, William H Chappell

  • 1Department of Microbiology and Immunology, Brody School of Medicine at East Carolina University, USA. mccubreyj@ecu.edu

Oncotarget
|March 5, 2013
PubMed
Summary

Recent advances enhance understanding of signal transduction pathways, targeted therapies, and genetic mechanisms of drug sensitivity and resistance. This knowledge aids in developing novel treatments for various diseases.

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Area of Science:

  • Biochemistry
  • Molecular Biology
  • Pharmacology

Background:

  • Signal transduction pathways are complex and crucial in disease pathogenesis.
  • Targeted therapies offer promising treatment strategies for various diseases.
  • Genetic factors significantly influence patient response to targeted therapies.

Purpose of the Study:

  • To review recent advances in understanding signal transduction pathways in disease.
  • To discuss the development and application of targeted therapies.
  • To explore genetic mechanisms of sensitivity and resistance to targeted therapies.

Main Methods:

  • Literature review of recent scientific publications.
  • Analysis of studies on signal transduction pathways and targeted therapies.
  • Synthesis of information on genetic mutations and drug resistance.

Main Results:

  • Significant progress in elucidating complex signaling pathways.
  • Identification of specific inhibitors targeting key pathway components.
  • Discovery of genetic mutations affecting patient sensitivity to targeted therapies.
  • Uncovering of genetic mechanisms driving resistance to targeted therapies.

Conclusions:

  • Advances in understanding signal transduction pathways and targeted therapies are rapidly evolving.
  • Genetic insights are crucial for personalized medicine and overcoming therapeutic resistance.
  • This knowledge facilitates the development of more effective and tailored treatment strategies.