Related Experiment Video

Updated: Feb 10, 2026

Author Spotlight: A Personalized Approach Towards Investigating Alzheimer's Disease Using an In Vitro Blood-Brain Barrier Model
06:19

Author Spotlight: A Personalized Approach Towards Investigating Alzheimer's Disease Using an In Vitro Blood-Brain Barrier Model

Published on: October 20, 2023

2.9K

Therapeutics development for triplet repeat expansion diseases

Nicholas A Di Prospero1, Kenneth H Fischbeck

  • 1Neurogenetics Branch, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland 20892-3705, USA. DiProsperN@ninds.nih.gov

Nature Reviews. Genetics
|October 6, 2005
PubMed

Insights

Genetic mutations, specifically trinucleotide repeat expansions, are key to inherited neurodegenerative disorders. Understanding these genetic causes aids in developing effective treatments and disease models.

Area of Science:

  • Genetics
  • Neuroscience
  • Molecular Biology

Background:

  • Inherited neurodegenerative disorders are often linked to specific genetic mutations.
  • Trinucleotide repeat expansion is a common mutation type underlying these conditions.

Purpose of the Study:

  • To explore the impact of trinucleotide repeat expansions on disease mechanisms.
  • To highlight the role of gene identification in developing therapeutic strategies.

Main Methods:

  • Analysis of genetic mutations in inherited neurodegenerative disorders.
  • Review of experimental findings from model systems.

Main Results:

  • Trinucleotide repeat expansions can cause loss of function, toxic gain of function, or both.
  • Identified genetic mutations facilitate the creation of disease models.
  • Similarities in disease mechanisms across different disorders have been observed.

Conclusions:

  • Understanding genetic mutations like trinucleotide repeat expansions is crucial for neurodegenerative disorder research.
  • Disease gene identification offers pathways for developing novel therapeutic interventions.

More Related Videos

Integrating a Triplet-triplet Annihilation Up-conversion System to Enhance Dye-sensitized Solar Cell Response to Sub-bandgap Light11:26

Integrating a Triplet-triplet Annihilation Up-conversion System to Enhance Dye-sensitized Solar Cell Response to Sub-bandgap Light

Published on: September 12, 2014

13.1K
Development of New Therapeutic Applications Using Microfluidics08:56

Development of New Therapeutic Applications Using Microfluidics

Published on: October 1, 2007

5.7K

Related Concept Videos

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.
1.2K
Heat and Free Expansion01:24

Heat and Free Expansion

The work done by a thermodynamic system depends not only on the initial and final states but also on the intermediate states—that is, on the path. Like work, when heat is added to a thermodynamic system, it undergoes a change of state, and the state attained depends on the path from the initial state to the final state. Consider an ideal gas cylinder fitted with a piston. When the cylinder is heated at a constant temperature, the gas molecules absorb energy and expand slowly in a...
2.9K
Thermal Expansion01:22

Thermal Expansion

The expansion of alcohol in a thermometer is one of many commonly encountered examples of thermal expansion, which is the change in size or volume of a given system as its temperature changes. The most visible example is the expansion of hot air. When air is heated, it expands and becomes less dense than the surrounding air, which then exerts an upward force on the hot air to, for example, make steam and smoke rise, and hot air balloons float. The same behavior happens in all liquids and gases,...
5.7K
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...
6.9K
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...
8.6K
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...
1.5K