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The Cooperative Human Tissue Network (the CHTN) was established in 1987 by the National Cancer Institute in response to an increase in the demand for high quality biospecimens for cancer research. The purpose of the CHTN is to stimulate, for the good of the public, cooperative efforts to collect and distribute human biospecimens and to thereby facilitate research utilizing those specimens. These activities are expected to encourage basic and developmental studies in many areas of cancer research, including molecular biology, immunology and genetics. The CHTN is not intended to be a human tissue bank but may use limited banking as needed to meet specific requests and longer-term banking of targeted specimens to assure availability of rare and hard to obtain materials. The CHTN has six divisions, five adult divisions and one pediatric division. These divisions are located at the following institutions: *Hospital of the University of Pennsylvania - CHTN Eastern Division *University of Virginia - CHTN Mid-Atlantic Division *Ohio State University - CHTN Midwestern Division *Nationwide Children's Hospital - CHTN Pediatric Division *University of Alabama at Birmingham - CHTN Southern Division *Vanderbilt University - CHTN Western Division == CHTN biospecimens == The CHTN obtains biospecimens from routine diagnostic or therapeutic surgical resections and autopsies, which otherwise would be discarded. Malignant, benign, diseased and normal biospecimens are collected and distributed to both national and international investigators. In addition, remnant body fluids are available on some patients and limited histological services can be obtained by special arrangement. Requests for large sample sizes, large numbers of biospecimens, rare biospecimens or biospecimens in high demand may be served if they do not negatively impact the availability of biospecimens for other researchers. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Cooperative Human Tissue Network」の詳細全文を読む スポンサード リンク
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