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Related Concept Videos

Polygenic Traits

Polygenic Traits

When more than one gene is responsible for a given phenotype, the trait is considered polygenic. Human height is a polygenic trait. Studies have uncovered hundreds of loci that influence height, and there are believed to be many more. Due to the high number of genes involved, as well as environmental and nutritional factors, height varies significantly within a given population. The distribution of height forms a bell-shaped curve, with relatively few individuals in the population at the...

Multiple Allele Traits

Multiple Allele Traits

The Concept of Multiple Allelism

Reporter Genes

Reporter Genes

Reporter genes are a type of protein-coding gene that are often tagged to a gene of interest. Once inside a target cell, reporter genes usually produce visually identifiable characteristics like fluorescence and luminescence when expressed along with the gene of interest. Thus, reporter genes “report” the presence or absence of genes of interest in an organism, determine the gene expression pattern, or track the physical location of a DNA segment or protein in the cell.

Gene Therapy

Gene Therapy

Gene therapy is a technique where a gene is inserted into a person’s cells to prevent or treat a serious disease. The added gene may be a healthy version of the gene that is mutated in the patient, or it could be a different gene that inactivates or compensates for the patient’s disease-causing gene. For example, in patients with severe combined immunodeficiency (SCID) due to a mutation in the gene for the enzyme adenosine deaminase, a functioning version of the gene can be...

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Polymeric gene carriers.

Han Chang Kang¹, Minhyung Lee, You Han Bae

¹Department of Pharmaceutics and Pharmaceutical Chemistry, The University of Utah, 421 Wakara Way, Suite 318, Salt Lake City, UT 84108, USA.

Critical Reviews in Eukaryotic Gene Expression

|February 14, 2006

Summary

This summary is machine-generated.

Polymeric gene carriers offer a safer alternative to viral vectors for gene therapy. Research focuses on overcoming limitations like low transfection efficiency to improve their potential for therapeutic applications.

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Area of Science:

Biomaterials Science
Gene Therapy
Nanotechnology

Background:

Viral vectors, while effective, pose risks like immunogenicity and cytotoxicity.
Polymeric gene carriers present advantages including low immunogenicity, biocompatibility, and capacity for large DNA.
Current polymeric carriers face challenges in transfection efficiency and gene expression duration.

Purpose of the Study:

To review the current challenges in polymeric gene carrier development.
To discuss strategies for overcoming transfection barriers.
To outline future requirements for advanced polymeric gene carriers.

Main Methods:

Literature review of polymeric gene carrier research.
Analysis of strategies addressing gene stabilization, cellular and nuclear targeting, endosomal escape, and unpackaging.
Discussion of biocompatibility and repeated administration considerations.

Main Results:

Polymeric carriers demonstrate potential for gene delivery due to their inherent advantages.
Significant research efforts are directed at enhancing transfection efficiency and prolonging gene expression.
Strategies targeting specific barriers are crucial for improving carrier performance.

Conclusions:

Polymeric gene carriers are a promising avenue for human gene therapy.
Overcoming current limitations through innovative strategies is key to their clinical success.
Future developments will likely focus on multifunctional and highly efficient polymeric systems.