Research Topics
Genomes and Genes | C C GregorioSummaryAffiliation: University of Arizona Country: USA Publications
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Detail Information
Publications
Aberrant myofibril assembly in tropomodulin1 null mice leads to aborted heart development and embryonic lethalityKimberly L Fritz-Six
Department of Cell Biology, The Scripps Research Institute, 10550 N Torrey Pines Road, La Jolla, CA 92037, USA
J Cell Biol 163:1033-44. 2003..We conclude that Tmod1 is required for regulation of actin filament lengths and myofibril maturation; this is critical for heart morphogenesis during embryonic development...
The NH2 terminus of titin spans the Z-disc: its interaction with a novel 19-kD ligand (T-cap) is required for sarcomeric integrityC C Gregorio
Departments of Cell Biology and Anatomy, and Molecular and Cellular Biology, University of Arizona, Tucson, Arizona 85724, USA
J Cell Biol 143:1013-27. 1998....
Muscle assembly: a titanic achievement?C C Gregorio
Departments of Cell Biology and Anatomy The University of Arizona 1501 North Campbell Avenue Tucson AZ 85724 5044 USA
Curr Opin Cell Biol 11:18-25. 1999....
To the heart of myofibril assemblyC C Gregorio
Dept of Cell Biology and Anatomy, The University of Arizona, Tucson, AZ, USA
Trends Cell Biol 10:355-62. 2000..As a consequence of this precise assembly, many different classes of proteins function together to convert the molecular interactions of actin and myosin efficiently into the macroscopic movements of contractile activity...
Functional properties of the titin/connectin-associated proteins, the muscle-specific RING finger proteins (MURFs), in striated muscleCarol C Gregorio
Department of Cell Biology and Anatomy, University of Arizona, Tucson, AZ 85724, USA
J Muscle Res Cell Motil 26:389-400. 2005....
Assembly of thick, thin, and titin filaments in chick precardiac explantsD E Rudy
Department of Cell Biology and Anatomy, University of Arizona, Tucson, Arizona, USA
Dev Dyn 221:61-71. 2001..Based on these findings, we conclude that the use of the avian precardiac explant system accurately allows for direct investigation of the mechanisms regulating de novo cardiac myofibrillogenesis...
Muscle-specific RING finger-1 interacts with titin to regulate sarcomeric M-line and thick filament structure and may have nuclear functions via its interaction with glucocorticoid modulatory element binding protein-1Abigail S McElhinny
Department of Cell Biology and Anatomy, University of Arizona, Tucson, AZ 85724, USA
J Cell Biol 157:125-36. 2002..The dual interactions of MURF-1 with titin and GMEB-1 may link myofibril signaling pathways (perhaps including titin's kinase domain) with muscle gene expression...
Muscle-specific RING finger-2 (MURF-2) is important for microtubule, intermediate filament and sarcomeric M-line maintenance in striated muscle developmentAbigail S McElhinny
Department of Cell Biology and Anatomy, University of Arizona, Tucson, AZ 85724, USA
J Cell Sci 117:3175-88. 2004..Furthermore, contractile activity was also affected. We speculate that some of the roles of MURF-2 are modulated via titin-based mechanisms...
The N-terminal end of nebulin interacts with tropomodulin at the pointed ends of the thin filamentsA S McElhinny
Department of Cell Biology and Anatomy, University of Arizona, Tucson, Arizona 85724, USA
J Biol Chem 276:583-92. 2001..These data provide evidence that Tmod and nebulin may work together as a linked mechanism to control thin filament lengths in skeletal muscle...
Nebulin regulates the assembly and lengths of the thin filaments in striated muscleAbigail S McElhinny
Department of Cell Biology and Anatomy, University of Arizona, Tucson, AZ 85724, USA
J Cell Biol 170:947-57. 2005..These data are consistent with nebulin functioning as a thin filament ruler and provide insight into mechanisms dictating macromolecular assembly...
A myopathy-linked desmin mutation perturbs striated muscle actin filament architectureGloria M Conover
Department of Cell Biology and Anatomy, University of Arizona, Tucson, AZ 85724, USA
Mol Biol Cell 20:834-45. 2009....
Lasp-2 expression, localization, and ligand interactions: a new Z-disc scaffolding proteinAnke Zieseniss
Department of Cell Biology and Anatomy, University of Arizona, Tucson, Arizona 85724, USA
Cell Motil Cytoskeleton 65:59-72. 2008..These results are consistent with a function of lasp-2 as a scaffolding and actin filament organizing protein within striated muscle Z-discs...
The muscle ankyrin repeat proteins: CARP, ankrd2/Arpp and DARP as a family of titin filament-based stress response moleculesMelanie K Miller
Department of Cell Biology and Anatomy, University of Arizona, Tucson, AZ 85724, USA
J Mol Biol 333:951-64. 2003..We speculate that the myofibrillar MARPs are regulated by stretch, and that this links titin-N2A-based myofibrillar stress/strain signals to a MARP-based regulation of muscle gene expression...
Striated muscle cytoarchitecture: an intricate web of form and functionKathleen A Clark
Department of Cell Biology, University of Arizona, Tucson 85724, USA
Annu Rev Cell Dev Biol 18:637-706. 2002..The exciting conclusion is that the striated muscle cytoskeleton, an exquisitely tuned, dynamic molecular machine, is capable of responding to subtle changes in cellular physiology...
Reduced myofibrillar connectivity and increased Z-disk width in nebulin-deficient skeletal musclePaola Tonino
Department of Physiology, University of Arizona, Tucson, Arizona 85724 5217, USA
J Cell Sci 123:384-91. 2010..Thus the functional roles of nebulin extend beyond thin filament length regulation and include roles in maintaining physiological Z-disk widths and myofibrillar connectivity...
Nebulin: the nebulous, multifunctional giant of striated muscleAbigail S McElhinny
Department of Cell Biology and Anatomy, University of Arizona, 1501 N Campbell Avenue, Tucson, AZ 85724, USA
Trends Cardiovasc Med 13:195-201. 2003....
Nebulin interacts with CapZ and regulates thin filament architecture within the Z-discChristopher T Pappas
Departments of Cell Biology and Anatomy and Molecular and Cellular Biology, The University of Arizona, Tucson, AZ 85721 0106, USA
Mol Biol Cell 19:1837-47. 2008..We propose a novel molecular model of Z-disc architecture in which nebulin interacts with CapZ from a thin filament of an adjacent sarcomere, thus providing a structural link between sarcomeres...
Nebulin regulates actin filament lengths by a stabilization mechanismChristopher T Pappas
Department of Cell Biology and Anatomy and Sarver Molecular Cardiovascular Research Program, The University of Arizona, Tucson, AZ 85724, USA
J Cell Biol 189:859-70. 2010..e., recovered loss of endogenous nebulin). Thus, nebulin regulates thin filament architecture by a mechanism that includes stabilizing the filaments and preventing actin depolymerization...
The complete mouse nebulin gene sequence and the identification of cardiac nebulinSteven T Kazmierski
Department of Cell Biology and Anatomy, The University of Arizona, Tucson, AZ 85724, USA
J Mol Biol 328:835-46. 2003....
The sensitive giant: the role of titin-based stretch sensing complexes in the heartMelanie K Miller
Department of Cell Biology and Anatomy, The University of Arizona, Tucson, AZ 85724, USA
Trends Cell Biol 14:119-26. 2004..This new evidence suggests that complexes associated with the giant, myofibrillar protein titin sense myocyte stretch. Here, we discuss evidence supporting titin being an ideal biomechanical sensor...
Leiomodin-2 is an antagonist of tropomodulin-1 at the pointed end of the thin filaments in cardiac muscleTakehiro Tsukada
Department of Cell Biology and Anatomy, and Sarver Molecular Cardiovascular Research Program, University of Arizona, Tucson, AZ 85724, USA
J Cell Sci 123:3136-45. 2010..Thus, Lmod2 antagonizes the function of Tmod1, and together, these molecules might fine-tune thin filament lengths...
The interaction of tropomodulin with tropomyosin stabilizes thin filaments in cardiac myocytesRyan E Mudry
Department of Cell Biology and Anatomy, University of Arizona, Tucson, AZ 85724, USA
J Cell Biol 162:1057-68. 2003....
Disruption in the tropomodulin1 (Tmod1) gene compromises cardiomyocyte development in murine embryonic stem cells by arresting myofibril maturationYasuko Ono
Department of Cell Biology and Anatomy, University of Arizona, 1501 N Campbell Avenue LSN 455, Tucson, AZ 85724, USA
Dev Biol 282:336-48. 2005....
Expression of the fast twitch troponin complex, fTnT, fTnI and fTnC, in vascular smooth muscleCarlos M Moran
Department of Cell Biology and Anatomy, Molecular Cardiovascular Research Program, University of Arizona College of Medicine, Tucson, Arizona 85724, USA
Cell Motil Cytoskeleton 65:652-61. 2008..These observations raise the possibility that troponins play a role in regulation of smooth muscle function...
The cardiac mechanical stretch sensor machinery involves a Z disc complex that is defective in a subset of human dilated cardiomyopathyRalph Knoll
Institute of Molecular Medicine, Department of Medicine, University of California at San Diego, La Jolla 92093, USA
Cell 111:943-55. 2002..We propose that a Z disc MLP/T-cap complex is a key component of the in vivo cardiomyocyte stretch sensor machinery, and that defects in the complex can lead to human DCM and associated heart failure...
Induction and myofibrillar targeting of CARP, and suppression of the Nkx2.5 pathway in the MDM mouse with impaired titin-based signalingChristian C Witt
Institut fur Anasthesiologie und Operative Intensivmedizin, Universitatsklinikum Mannheim, Mannheim 68167, Germany
J Mol Biol 336:145-54. 2004..skeletal and cardiac muscle from heterozygous mdm/+ animals, and (3). dystrophic muscles from MDX mice. Thus, the altered composition of the titin N2A complex is specific for the titin-based skeletal muscular dystrophy in MDM...
Expression and regulation of mouse SERDIN1, a highly conserved cardiac-specific leucine-rich repeat proteinIgor I Adameyko
Department of Genetics, Dartmouth Medical School, Hanover, New Hampshire 03755, USA
Dev Dyn 233:540-52. 2005..Cardiac specificity and localization patterns suggest that SERDIN1 is intimately integrated with the molecular pathways controlling cardiogenesis in vertebrates...
