کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10933520 | 1093801 | 2008 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Reassessment of Isl1 and Nkx2-5 cardiac fate maps using a Gata4-based reporter of Cre activity
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کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
بیوشیمی، ژنتیک و زیست شناسی مولکولی
بیولوژی سلول
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Reassessment of Isl1 and Nkx2-5 cardiac fate maps using a Gata4-based reporter of Cre activity Reassessment of Isl1 and Nkx2-5 cardiac fate maps using a Gata4-based reporter of Cre activity](/preview/png/10933520.png)
چکیده انگلیسی
Isl1 and Nkx2-5-expressing cardiovascular progenitors play pivotal roles in cardiogenesis. Previously reported Cre-based fate-mapping studies showed that Isl1 progenitors contribute predominantly to the derivatives of the second heart field, and Nkx2-5 progenitors contributed mainly to the cardiomyocyte lineage. However, partial recombination of Cre reporter genes can complicate interpretation of Cre fate-mapping experiments. We found that a Gata4-based Cre-activated reporter was recombined by Isl1Cre and Nkx2-5Cre in a substantially broader domain than previously reported using standard Cre-activated reporters. The expanded Isl1 and Nkx2-5 cardiac fate maps were remarkably similar, and included extensive contributions to cardiomyocyte, endocardial, and smooth muscle lineages in all four cardiac chambers. These data indicate that Isl1 is expressed in progenitors of both primary and secondary heart fields, and that Nkx2-5 is expressed in progenitors of cardiac endothelium and smooth muscle, in addition to cardiomyocytes. These results have important implications for our understanding of cardiac lineage diversification in vivo, and for the interpretation of Cre-based fate maps.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Developmental Biology - Volume 323, Issue 1, 1 November 2008, Pages 98-104
Journal: Developmental Biology - Volume 323, Issue 1, 1 November 2008, Pages 98-104
نویسندگان
Qing Ma, Bin Zhou, William T. Pu,