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Published on: May 24, 2024
Prdm6 is essential for cardiovascular development in vivo
Andreas Gewies1, Mercedes Castineiras-Vilarino, Uta Ferch
1Institut für Klinische Chemie und Pathobiochemie, Klinikum Rechts der Isar, Technische Universität München, Munich, Germany ; German Cancer Consortium (DKTK), Heidelberg, Germany ; German Cancer Research Center (DKFZ), Heidelberg, Germany ; Laboratory of Signaling in the Immune System, Helmholtz Zentrum München, German Research Center for Environmental Health, Neuherberg, Germany.
Prdm6 is essential for cardiovascular development. Its absence causes embryonic lethality due to vascular defects, and conditional loss in smooth muscle cells leads to perinatal lethality from lung hemorrhage.
Area of Science:
- Developmental Biology
- Cardiovascular Research
- Genetics
Background:
- The PRDM protein family is crucial for embryonic development.
- Previous studies suggested Prdm6 plays a role in vascular cells.
Purpose of the Study:
- To investigate the physiological functions of Prdm6 in cardiovascular development.
- To determine the consequences of Prdm6 deficiency in vivo.
Main Methods:
- Generation of conditional Prdm6-deficient mice.
- Analysis of cardiovascular development in Prdm6-deficient embryos.
- Conditional deletion of Prdm6 in smooth muscle cells using SM22-Cre.
Main Results:
- Complete Prdm6 deletion caused embryonic lethality with cardiovascular defects and vascular patterning aberrations.
- Smooth muscle cell differentiation and proliferation were normal in Prdm6-deficient embryonic stem cells and embryos.
- Conditional Prdm6 deletion in smooth muscle cells led to perinatal lethality due to lung hemorrhage.
Conclusions:
- Prdm6 is essential for the physiological control of cardiovascular development.
- Prdm6 plays a critical role in vascular integrity and function.
- Specific roles of Prdm6 in smooth muscle cells are vital for perinatal survival.
