Margaret Buckingham, discoveries in skeletal and cardiac muscle development, elected to the National Academy of Science
© Rudnicki; licensee BioMed Central Ltd. 2012
Received: 17 May 2012
Accepted: 7 June 2012
Published: 7 June 2012
Margaret Buckingham was presented as a newly elected member to the National Academy of Sciences on 28 April 2012. Over the course of her career, Dr Buckingham made many seminal contributions to the understanding of skeletal muscle and cardiac development. Her studies on cardiac progenitor populations has provided insight into understanding heart malformations, while her work on skeletal muscle progenitors has elucidated their embryonic origins and the transcriptional hierarchies controlling their developmental progression.
Dr Margaret Buckingham, a much-respected investigator who has made many significant contributions to our understanding of skeletal muscle and cardiac development, was elected to the National Academy of Sciences in 2011 and presented on 28 April, 2012. Dr Buckingham is Professor in the Department of Developmental Biology at the Pasteur Institute in Paris. She has been awarded many prestigious distinctions including that of Officier de la Légion d’Honneur and Officier de l'Ordre National du Mérite, to name but two.
Dr Buckingham’s early studies involved the cloning and characterization of actin and myosin genes from cardiac and skeletal muscle [1–4]. She has made seminal contributions to our understanding of cardiac development. She identified the second heart field  and showed its important contribution to the poles of the heart. These cardiac progenitors are regulated by a distinct genetic network and in this context, Dr Buckingham has worked on the role of fibroblast growth factor (FGF) signaling in the formation of the outflow tract and pharyngeal arteries . Her studies of cardiac development revealed that that two cell lineages contribute to the myocardium . Lineage studies also demonstrated a clonal relationship between arterial pole myocardium and head muscles . Her work on cardiac progenitor populations is of clinical importance in understanding heart malformations.
Dr Buckingham has also made major contributions to the molecular genetic analysis of skeletal muscle development. She was the first to analyze expression of the myogenic regulatory factors of the MyoD family during mouse embryogenesis  and the behavior of cells in the absence of Myf5 .
Her more recent work demonstrated that skeletal muscle growth depends on a somite-derived population of progenitor cells that express Pax3 and Pax7 . She established that the Myf5 gene is activated by Pax3 through specific regulatory elements , and that Pax3 regulation of FGF signaling affects the balance between progenitor self-renewal and differentiation . She showed genetically that before cells acquire myogenic potential, the equilibrium between Pax3 and Foxc2 expression in the somite regulates the choice between myogenic versus vascular cell fate . After demonstrating the key role of satellite cells in adult muscle regeneration , she investigated satellite-cell quiescence, showing recently that microRNA31 targets Myf5 mRNA, and that both are sequestered in micro-ribonucleoprotein granules which breakdown on satellite cell activation . She also identified microRNA-27 as a regulator of Pax3 production .
Dr Buckingham’s election to the academy recognizes her many significant contributions as a leading scholar in the molecular genetic study of striated muscle formation.
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- Kelly R, Brown N, Buckingham M: The arterial pole of the mouse heart forms fromFgf10expressing precursor cells in pharyngeal mesoderm.Dev Cell 2001, 1: 435-440. 10.1016/S1534-5807(01)00040-5View ArticlePubMedGoogle Scholar
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- Relaix F, Rocancourt D, Mansouri A, Buckingham MA: A Pax3/Pax7-dependent population of skeletal muscle progenitor cells. Nature 2005, 2005: 435,948-953.Google Scholar
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- Lagha M, Brunelli S, Messina G, Kume T, Relaix F, Buckingham ME: Pax3/7:Foxc2 reciprocal repression in the somite modulates multipotent stem cell fates. Dev Cell 2009, 17: 892-899. 10.1016/j.devcel.2009.10.021View ArticlePubMedGoogle Scholar
- Montarras D, Morgan J, Collins C, Relaix F, Zaffran S, Cumano A, Partridge T, Buckingham M: Direct isolation of satellite cells for skeletal muscle regeneration. Science 2005, 309: 2064-2067. 10.1126/science.1114758View ArticlePubMedGoogle Scholar
- Crist C, Montarras D, Buckingham M: Muscle satellite cells are primed for myogenesis, but maintain quiescence with sequestration of Myf5 mRNA targeted by microRNA-31 in mRNP granules. Cell Stem Cell 2012. In PressGoogle Scholar
- Crist CG, Rocancourt D, Montarras D, Buckingham M: Muscle stem cell behaviour is modified by microRNA-27 regulation of Pax3 expression. Proc Natl Acad Sci USA 2009, 106: 13383-13387. 10.1073/pnas.0900210106PubMed CentralView ArticlePubMedGoogle Scholar
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