Sensors 2012, 12(2), 1648-1656; doi:10.3390/s120201648
Review

Protein Reporter Bioassay Systems for the Phenotypic Screening of Candidate Drugs: A Mouse Platform for Anti-Aging Drug Screening

1 Department of Investigative Pathology, Graduate School of Biomedical Sciences, Nagasaki University, 1-12-4 Sakamoto, Nagasaki 852-8523, Japan 2 Division of Surgical Oncology, Graduate School of Biomedical Sciences, Nagasaki University, 1-7-1 Sakamoto, Nagasaki 852-8501, Japan
* Author to whom correspondence should be addressed.
Received: 12 December 2011; in revised form: 18 January 2012 / Accepted: 2 February 2012 / Published: 7 February 2012
(This article belongs to the Special Issue Bioassays)
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Abstract: Recent drug discovery efforts have utilized high throughput screening (HTS) of large chemical libraries to identify compounds that modify the activity of discrete molecular targets. The molecular target approach to drug screening is widely used in the pharmaceutical and biotechnology industries, because of the amount of knowledge now available regarding protein structure that has been obtained by computer simulation. The molecular target approach requires that the structure of target molecules, and an understanding of their physiological functions, is known. This approach to drug discovery may, however, limit the identification of novel drugs. As an alternative, the phenotypic- or pathway-screening approach to drug discovery is gaining popularity, particularly in the academic sector. This approach not only provides the opportunity to identify promising drug candidates, but also enables novel information regarding biological pathways to be unveiled. Reporter assays are a powerful tool for the phenotypic screening of compound libraries. Of the various reporter genes that can be used in such assays, those encoding secreted proteins enable the screening of hit molecules in both living cells and animals. Cell- and animal-based screens enable simultaneous evaluation of drug metabolism or toxicity with biological activity. Therefore, drug candidates identified in these screens may have increased biological efficacy and a lower risk of side effects in humans. In this article, we review the reporter bioassay systems available for phenotypic drug discovery.
Keywords: drug development; high throughput screening; reporter mice; age-related disorders

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MDPI and ACS Style

Chiba, T.; Tsuchiya, T.; Mori, R.; Shimokawa, I. Protein Reporter Bioassay Systems for the Phenotypic Screening of Candidate Drugs: A Mouse Platform for Anti-Aging Drug Screening. Sensors 2012, 12, 1648-1656.

AMA Style

Chiba T, Tsuchiya T, Mori R, Shimokawa I. Protein Reporter Bioassay Systems for the Phenotypic Screening of Candidate Drugs: A Mouse Platform for Anti-Aging Drug Screening. Sensors. 2012; 12(2):1648-1656.

Chicago/Turabian Style

Chiba, Takuya; Tsuchiya, Tomoshi; Mori, Ryoichi; Shimokawa, Isao. 2012. "Protein Reporter Bioassay Systems for the Phenotypic Screening of Candidate Drugs: A Mouse Platform for Anti-Aging Drug Screening." Sensors 12, no. 2: 1648-1656.

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