کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1937866 | 1050727 | 2007 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
N-terminal hamartin-binding and C-terminal GAP domain of tuberin can separate in vivo
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موضوعات مرتبط
علوم زیستی و بیوفناوری
بیوشیمی، ژنتیک و زیست شناسی مولکولی
زیست شیمی
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چکیده انگلیسی
The Eker rat is an animal model of renal carcinogenesis and carries a transposon insertion in the Tsc2 (tuberous sclerosis-2) gene. We previously generated transgenic Eker rats and identified coding sequences in the Tsc2 gene that are responsible for suppression of renal carcinogenesis in Eker rats. Tsc2-RGH, a transgene that expresses the carboxy terminal region (amino acids 1425-1755) of the Tsc2 product (tuberin), partially suppressed renal carcinogenesis. However, Tsc2-DRG, which expresses a mutant tuberin lacking the carboxy-terminal region (Îaa 1425-1755), did not suppress renal carcinogenesis. Here, we found that introduction of both Tsc2-RGH and Tsc2-DRG in Eker rats completely suppressed renal carcinogenesis and rescued homozygous (Tsc2Ek/Ek) mutants from embryonic lethality in a complementary manner. Co-introduction of Tsc2-RGH and Tsc2-DRG, but not introduction of either alone, efficiently suppressed phosphorylation of p70 S6K. Thus, the functional domains of N-terminal hamartin binding and C-terminal tumor suppression in tuberin can separate in vivo.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Biochemical and Biophysical Research Communications - Volume 356, Issue 3, 11 May 2007, Pages 693-698
Journal: Biochemical and Biophysical Research Communications - Volume 356, Issue 3, 11 May 2007, Pages 693-698
نویسندگان
Shuji Momose, Toshiyuki Kobayashi, Norihiro Tada, Shinji Itoyama, Okio Hino,