Research Topics
Genomes and GenesSpecies | K S ZaretSummaryAffiliation: Fox Chase Cancer Center Country: USA Publications
Research Grants
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Detail Information
Publications
Liver specification and early morphogenesisK S Zaret
Cell and Developmental Biology Program, Fox Chase Cancer Center, 7701 Burholme Avenue, Philadelphia, PA 19111, USA
Mech Dev 92:83-8. 2000..The initial stages of hepatogenesis are therefore beginning to be understood, and serve as a paradigm for the development of other tissues from the endoderm...
Genetic programming of liver and pancreas progenitors: lessons for stem-cell differentiationKenneth S Zaret
Epigenetics and Progenitor Cells Program, Fox Chase Cancer Center, Room W410, 333 Cottman Avenue, Philadelphia, Pennsylvania 19111, USA
Nat Rev Genet 9:329-40. 2008....
Hepatocyte differentiation: from the endoderm and beyondK S Zaret
Cell and Developmental Biology Program, Fox Chase Cancer Center, 7701 Burholme Avenue, Philadelphia, PA 19111, USA
Curr Opin Genet Dev 11:568-74. 2001..Molecular signals that govern the differentiation of hepatocytes from non-endodermal cells and the role of such cells in normal liver physiology remain to be discovered...
Using small molecules to great effect in stem cell differentiationKenneth S Zaret
Cell and Developmental Biology Program, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
Cell Stem Cell 4:373-4. 2009..Their combined success helps bypass challenges associated with using natural protein factors and has revealed insights into controlling stem cell differentiation...
Generation and regeneration of cells of the liver and pancreasKenneth S Zaret
Epigenetics and Progenitor Cells Program, Fox Chase Cancer Center, 333 Cottman Avenue, Philadelphia, PA 19111, USA
Science 322:1490-4. 2008....
JEEM and my evolution in developmentKen Zaret
Fox Chase Cancer Center, Philadelphia, PA 19111, USA
Development 135:2341. 2008
Regulatory phases of early liver development: paradigms of organogenesisKenneth S Zaret
Cell and Developmental Biology Program, Fox Chase Cancer Center, 7701 Burholme Avenue, Philadelphia, Pennsylvania 19111, USA
Nat Rev Genet 3:499-512. 2002..The regulatory mechanisms that underlie these phases are common to the development of many organ systems and might be recapitulated or disrupted during stem-cell differentiation and adult tissue pathogenesis...
Hex homeobox gene controls the transition of the endoderm to a pseudostratified, cell emergent epithelium for liver bud developmentRoque Bort
Cell and Developmental Biology Program, Fox Chase Cancer Center, 333 Cottman Avenue, Philadelphia, PA 19111, USA
Dev Biol 290:44-56. 2006..Thus, Hex promotes endoderm organogenesis by promoting the transition to a pseudostratified epithelium, which in turn allows hepatoblasts to emerge into the stromal environment and continue differentiating...
Nuclear mobility and mitotic chromosome binding: similarities between pioneer transcription factor FoxA and linker histone H1K S Zaret
Epigenetics Program and Institute for Regenerative Medicine, Department of Cell and Developmental Biology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19107, USA
Cold Spring Harb Symp Quant Biol 75:219-26. 2010..The results indicate that the "pioneer" features of FoxA factors involve various chromatin-binding parameters seen in linker histones and that distinguish the factors with respect to their regulatory and mechanistic functions...
Liver organogenesis promoted by endothelial cells prior to vascular functionK Matsumoto
Cell and Developmental Biology Program, Fox Chase Cancer Center, 7701 Burholme Avenue, Philadelphia, PA 19111, USA
Science 294:559-63. 2001..We conclude that vasculogenic endothelial cells and nascent vessels are critical for the earliest stages of organogenesis, prior to blood vessel function...
Dynamic signaling network for the specification of embryonic pancreas and liver progenitorsEwa Wandzioch
Cell and Developmental Biology Program, Fox Chase Cancer Center, 333 Cottman Avenue, Philadelphia, PA 19111, USA
Science 324:1707-10. 2009..These findings may enhance progenitor cell specification from stem cells for biomedical purposes and can help explain incomplete programming in stem cell differentiation protocols...
Distinct populations of endoderm cells converge to generate the embryonic liver bud and ventral foregut tissuesKimberly D Tremblay
Cell and Developmental Biology Program, Fox Chase Cancer Center, 333 Cottman Avenue, Philadelphia, PA 19111, USA
Dev Biol 280:87-99. 2005....
Pioneer factors, genetic competence, and inductive signaling: programming liver and pancreas progenitors from the endodermK S Zaret
Epigenetics and Progenitor Cells Program, Fox Chase Cancer Center, Philadelphia, Pennsylvania 19111, USA
Cold Spring Harb Symp Quant Biol 73:119-26. 2008....
An FGF response pathway that mediates hepatic gene induction in embryonic endoderm cellsAmelie Calmont
Cell and Developmental Biology Program, Fox Chase Cancer Center, 333 Cottman Avenue, Philadelphia, Pennsylvania 19111, USA
Dev Cell 11:339-48. 2006..The finding of separate pathways for endoderm tissue specification and growth provides insights for guiding cellular regeneration and stem cell differentiation...
Transcription factor FoxA (HNF3) on a nucleosome at an enhancer complex in liver chromatinD Chaya
Cell and Developmental Biology Program, Fox Chase Cancer Center, Philadelphia, Pennsylvania 19111, USA
J Biol Chem 276:44385-9. 2001..Because histone H2A on nuclear DNA is only known to exist in nucleosomes, we conclude that transcription factors can form a stable complex on nucleosomes at an active enhancer element in vivo...
Hex homeobox gene-dependent tissue positioning is required for organogenesis of the ventral pancreasRoque Bort
Cell and Developmental Biology Program, Fox Chase Cancer Center, 7701 Burholme Aveue, Philadelphia, PA 19111, USA
Development 131:797-806. 2004..Other endodermal transcription factors may also function morphogenetically rather than by directly regulating tissue-specific programs...
Opening of compacted chromatin by early developmental transcription factors HNF3 (FoxA) and GATA-4Lisa Ann Cirillo
Cell and Developmental Biology Program, Fox Chase Cancer Center, 7701 Burholme Avenue, Philadelphia, PA 19111, USA
Mol Cell 9:279-89. 2002..Thus, factors that potentiate transcription in development are inherently capable of initiating chromatin opening events...
Endothelial cell promotion of early liver and pancreas developmentDeborah A Freedman
Fox Chase Cancer Center, Cell and Developmental Biology Program, 333 Cottman Avenue, Philadelphia, PA 19111, USA
Novartis Found Symp 283:207-16; discussion 216-9, 238-41. 2007..The diversity of organogenic steps dependent upon endothelial cell signalling suggests that cross-regulation of tissue development with its vasculature is a general phenomenon...
Generation of monoclonal antibodies specific for cell surface molecules expressed on early mouse endodermPaul Gadue
Department of Pathology, Center for Cellular and Molecular Therapeutics Children s Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
Stem Cells 27:2103-13. 2009....
Defective ciliogenesis, embryonic lethality and severe impairment of the Sonic Hedgehog pathway caused by inactivation of the mouse complex A intraflagellar transport gene Ift122/Wdr10, partially overlapping with the DNA repair gene Med1/Mbd4Salvatore Cortellino
Human Genetics Program, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
Dev Biol 325:225-37. 2009..We conclude that complex A and complex B factors play similar but distinct roles in ciliogenesis and Shh/Gli3 signaling...
Endothelial cell interactions initiate dorsal pancreas development by selectively inducing the transcription factor Ptf1aHideyuki Yoshitomi
Cell and Developmental Biology Program, Fox Chase Cancer Center, 7701 Burholme Avenue, Philadelphia, PA 19111, USA
Development 131:807-17. 2004..Additionally, we find that endothelial cells are necessary for the induction of both the insulin and glucagon genes...
Integrase-specific enhancement and suppression of retroviral DNA integration by compacted chromatin structure in vitroKonstantin D Taganov
Fox Chase Cancer Center, Institute for Cancer Research, 333 Cottman Ave, Philadelphia, PA 19111-2497, USA
J Virol 78:5848-55. 2004..These distinct properties of integrases may also affect target site selection in vivo, resulting in an important bias against or in favor of integration into actively transcribed host DNA...
miR-122, a mammalian liver-specific microRNA, is processed from hcr mRNA and may downregulate the high affinity cationic amino acid transporter CAT-1Jinhong Chang
Fox Chase Cancer Center, Philadelphia, Pennsylvania 19111 2497, USA
RNA Biol 1:106-13. 2004..In summary, these studies followed the accumulation during development of miR-122 from its mRNA precursor, hcr, through to identification of what may be a specific mRNA target, CAT-1...
Nucleosome-binding affinity as a primary determinant of the nuclear mobility of the pioneer transcription factor FoxATakashi Sekiya
Epigenetics and Progenitor Cells Program, Fox Chase Cancer Center, Philadelphia, Pennsylvania 19111, USA
Genes Dev 23:804-9. 2009..FoxA's distinct nuclear mobility is consistent with its pioneer activity in chromatin...
An endothelial-mesenchymal relay pathway regulates early phases of pancreas developmentPatrick Jacquemin
Hormone and Metabolic Research Unit, Institute of Cellular Pathology and Université catholique de Louvain, 75 Avenue Hippocrate, B 1200 Brussels, Belgium
Dev Biol 290:189-99. 2006....
Prenylcysteine carboxylmethyltransferase is essential for the earliest stages of liver development in miceXi Lin
Howard Hughes Medical Institute, Baylor College of Medicine, Houston, Texas 77030, USA
Gastroenterology 123:345-51. 2002..We investigated the function of Pccmt during mouse liver development to better understand the embryonic lethality of the null mutation...
Pax3 regulation of FGF signaling affects the progression of embryonic progenitor cells into the myogenic programMounia Lagha
CNRS URA 2578, Department of Developmental Biology, Pasteur Institute, 75015 Paris, France
Genes Dev 22:1828-37. 2008..These results provide new insight into the Pax-initiated regulatory network that modulates stem cell maintenance versus tissue differentiation...
Mouse Mix gene is activated early during differentiation of ES and F9 stem cells and induces endoderm in frog embryosDeanna Mohn
Department of Medicine, Mount Sinai School of Medicine, New York, New York 10128, USA
Dev Dyn 226:446-59. 2003....
Liver development update: new embryo models, cell lineage control, and morphogenesisFrederic Lemaigre
Hormone and Metabolic Research Unit, , Avenue Hippocrate 75/7529, B-1200 Brussels, Belgium
Curr Opin Genet Dev 14:582-90. 2004....
Hepatocyte nuclear factor 4alpha controls the development of a hepatic epithelium and liver morphogenesisFereshteh Parviz
Department of Cell Biology, Neurobiology and Anatomy, Medical College of Wisconsin, Milwaukee, Wisconsin 53226, USA
Nat Genet 34:292-6. 2003..Most importantly, the morphogenetic parameters controlled by Hnf4alpha in hepatocytes are essential for normal liver architecture, including the organization of the sinusoidal endothelium...
The forkhead factor FoxE1 binds to the thyroperoxidase promoter during thyroid cell differentiation and modifies compacted chromatin structureIsabel Cuesta
Instituto de Investigaciones Biomedicas Alberto Sols, Consejo Superior de Investigaciones Cientificas and Universidad Autonoma de Madrid, Madrid 28029, Spain
Mol Cell Biol 27:7302-14. 2007..The presented model extends the reported pioneer activity of the Forkhead factors to processes involved in hormone-induced differentiation...
Ptf1a binds to and activates area III, a highly conserved region of the Pdx1 promoter that mediates early pancreas-wide Pdx1 expressionPeter O Wiebe
Department of Medicine, Division of Diabetes, Endocrinology, and Metabolism, Vanderbilt University Medical Center, 2220 Pierce Avenue, Nashville, TN 37232, USA
Mol Cell Biol 27:4093-104. 2007..5 pancreatic buds. These data strongly suggest that PTF1 is an important early activator of Pdx1 in acinar and endocrine progenitor cells during pancreas development...
Stability and evolution of transcriptional regulatory networksKenneth S Zaret
Mol Syst Biol 2:2006.0021. 2006
Research Grants
- Gene Regulatory Signals for Beta Cell DevelopmentKenneth Zaret; Fiscal Year: 2007..By sharing technology and information from our work with the BCBC, our basic developmental studies will be more rapidly translated to develop cures for diabetes ..
- TRANS-ACTING FACTORS CAUSING CELL SPECIFIC GENE CONTROLKenneth Zaret; Fiscal Year: 2007..The findings will apply to diverse developmental contexts and adult pathologies, and enable rational approaches to differentiate proeenitor and stem cell populations for cell-based tissue therapies and research. ..
- Gene Regulatory Signals for Beta Cell DevelopmentKenneth Zaret; Fiscal Year: 2007..Bysharing technology and information from our work with the BCBC, our basic developmental studies will be more rapidly translated to develop cures for diabetes. ..
