NDLI: Nuclear Transport by Laser-Induced Pressure Transients

Content Provider	Springer Nature Link
Author	Lin, Tai Yuan David McAuliffe, Daniel J. Michaud, rm Zhang, Hong Lee, Shun Doukas, Apostolos G. Flotte, Thomas J.
Copyright Year	2003
Abstract	Purpose. Control of the transport of molecules into the nucleus represents a key regulatory mechanism for differentiation, transformation, and signal transduction. Permeabilization of the nuclear envelope by physical methods can have applications in gene therapy. Laser-induced pressure transients can produce temporary aqueous pores analogous to those produced by electroporation and that the cells can survive this procedure. In this study, we examine the role of the pressure transients in creating similar pores in the nuclear envelope. Methods. The target human peripheral blood mononuclear cells in a 62 μM 72 kDa fluoresceinated dextran solution were exposed to the pressure transients generated by laser ablation. An in vitro fluorescence confocal microscope was used to visualize and quantify the fluoresceinated dextran in the cytoplasmic and nuclear compartments. Results. In contrast to electroporation, the pressure transients could deliver 72 kDa fluoresceinated dextrans, which are normally excluded by the nucleus, across the nuclear envelope into the nucleus. In addition to creating pores in the plasma membrane, temporary pores were also created in the nuclear envelope following exposure to pressure transients. Conclusion. The production of temporary nuclear pores could provide a unique resource for drug-delivery and gene therapy.
Starting Page	879
Ending Page	883
Page Count	5
File Format	PDF
ISSN	07248741
Journal	Pharmaceutical Research
Volume Number	20
Issue Number	6
e-ISSN	1573904X
Language	English
Publisher	Kluwer Academic Publishers-Plenum Publishers
Publisher Date	2003-01-01
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Pharmacology/Toxicology Pharmacy Biochemistry Medical Law Biomedical Engineering
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Pharmacology Molecular Medicine Pharmacology (medical) Biotechnology Pharmaceutical Science

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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