RGD Reference Report - Soluble TGFbeta type II receptor gene therapy ameliorates acute radiation-induced pulmonary injury in rats. - Rat Genome Database

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Soluble TGFbeta type II receptor gene therapy ameliorates acute radiation-induced pulmonary injury in rats.

Authors: Rabbani, ZN  Anscher, MS  Zhang, X  Chen, L  Samulski, TV  Li, CY  Vujaskovic, Z 
Citation: Rabbani ZN, etal., Int J Radiat Oncol Biol Phys. 2003 Oct 1;57(2):563-72.
RGD ID: 1601599
Pubmed: PMID:12957270   (View Abstract at PubMed)

PURPOSE: To assess whether administration of recombinant human adenoviral vector, which carries soluble TGFbeta1 Type II receptor (TbetaRII) gene, might reduce the availability of active TGFbeta1 and thereby protect the lung from radiation-induced injury. METHODS AND MATERIALS: Female Fisher 344 rats were given a single 30 Gy dose of right hemithoracic irradiation 24 h after the injections of control (AdGFP) or treatment (AdexTbetaRII-Fc) vectors. Different end points were assessed to look for lung tissue damage. RESULTS: There was a significant increase in the plasma level of soluble TbetaRII 24 h and 48 h after injection of treatment vector. In the radiation (RT) + AdexTbetaRII-Fc group, there was a significant reduction in respiratory rate at 4 weeks after treatment as compared to the RT-alone group. Histologic results revealed a significant reduction in lung damage and decrease in the number and activity of macrophages in the RT + AdexTbetaRII-Fc group as compared to the RT-alone group. The tissue level of active TGFbeta1 was significantly reduced in rats receiving RT + AdexTbetaRII-Fc treatment. There was also an upregulation of transmembrane TbetaRII in lung tissue in the RT-alone group as compared to the RT + gene therapy rats. CONCLUSIONS: This study shows the ability of AdexTbetaRII-Fc gene therapy to induce an increase in circulating levels of soluble receptors, to reduce the tissue level of active TGFbeta1, and consequently to ameliorate acute radiation-induced lung injury.

RGD Manual Disease Annotations    Click to see Annotation Detail View
TermQualifierEvidenceWithReferenceNotesSourceOriginal Reference(s)
Radiation Injuries  ISOTgfbr2 (Rattus norvegicus)1601599; 1601599 RGD 
Radiation Injuries  IDA 1601599 RGD 

Objects Annotated

Genes (Rattus norvegicus)
Tgfbr2  (transforming growth factor, beta receptor 2)

Genes (Mus musculus)
Tgfbr2  (transforming growth factor, beta receptor II)

Genes (Homo sapiens)
TGFBR2  (transforming growth factor beta receptor 2)


Additional Information