Published in Dev Biol on November 28, 2007
Deciphering the function of canonical Wnt signals in development and disease: conditional loss- and gain-of-function mutations of beta-catenin in mice. Genes Dev (2008) 4.38
Patterning a complex organ: branching morphogenesis and nephron segmentation in kidney development. Dev Cell (2010) 3.78
Wnt9b signaling regulates planar cell polarity and kidney tubule morphogenesis. Nat Genet (2009) 2.84
Advances in early kidney specification, development and patterning. Development (2009) 2.62
Scara5 is a ferritin receptor mediating non-transferrin iron delivery. Dev Cell (2009) 2.60
Deletion of IFT20 in the mouse kidney causes misorientation of the mitotic spindle and cystic kidney disease. J Cell Biol (2008) 2.20
WNT/beta-catenin signaling in nephron progenitors and their epithelial progeny. Kidney Int (2008) 1.86
Impaired Wnt-beta-catenin signaling disrupts adult renal homeostasis and leads to cystic kidney ciliopathy. Nat Med (2009) 1.86
High-resolution gene expression analysis of the developing mouse kidney defines novel cellular compartments within the nephron progenitor population. Dev Biol (2009) 1.84
Mammalian kidney development: principles, progress, and projections. Cold Spring Harb Perspect Biol (2012) 1.80
The primary cilium as a cellular signaling center: lessons from disease. Curr Opin Genet Dev (2009) 1.73
T-cell factor/β-catenin activity is suppressed in two different models of autosomal dominant polycystic kidney disease. Kidney Int (2011) 1.69
Lineage specification of parietal epithelial cells requires β-catenin/Wnt signaling. J Am Soc Nephrol (2011) 1.64
Adhesive and signaling functions of cadherins and catenins in vertebrate development. Cold Spring Harb Perspect Biol (2009) 1.52
β-catenin causes renal dysplasia via upregulation of Tgfβ2 and Dkk1. J Am Soc Nephrol (2011) 1.52
Integrated β-catenin, BMP, PTEN, and Notch signalling patterns the nephron. Elife (2015) 1.46
Cell and molecular biology of kidney development. Semin Nephrol (2009) 1.32
Lung epithelial branching program antagonizes alveolar differentiation. Proc Natl Acad Sci U S A (2013) 1.28
Gata3 acts downstream of beta-catenin signaling to prevent ectopic metanephric kidney induction. PLoS Genet (2008) 1.27
Wnt/β-catenin signaling directly regulates Foxj1 expression and ciliogenesis in zebrafish Kupffer's vesicle. Development (2011) 1.20
Genetic controls and cellular behaviors in branching morphogenesis of the renal collecting system. Wiley Interdiscip Rev Dev Biol (2013) 1.19
Atlas of Wnt and R-spondin gene expression in the developing male mouse lower urogenital tract. Dev Dyn (2011) 1.14
Histone deacetylase (HDAC) activity is critical for embryonic kidney gene expression, growth, and differentiation. J Biol Chem (2011) 1.14
Cystic kidney disease: the role of Wnt signaling. Trends Mol Med (2010) 1.10
Tankyrase is necessary for canonical Wnt signaling during kidney development. Dev Dyn (2010) 1.09
Beta1-integrin is required for kidney collecting duct morphogenesis and maintenance of renal function. Am J Physiol Renal Physiol (2009) 1.07
Quantitative proteomics identifies vasopressin-responsive nuclear proteins in collecting duct cells. J Am Soc Nephrol (2012) 1.06
Genetic and developmental basis for urinary tract obstruction. Pediatr Nephrol (2008) 1.01
Kidney development: from ureteric bud formation to branching morphogenesis. Curr Opin Genet Dev (2009) 1.01
p53 regulates metanephric development. J Am Soc Nephrol (2009) 0.99
Mutations in SOX17 are associated with congenital anomalies of the kidney and the urinary tract. Hum Mutat (2010) 0.97
Sall1-dependent signals affect Wnt signaling and ureter tip fate to initiate kidney development. Development (2010) 0.95
A combination of Wnt and growth factor signaling induces Arl4c expression to form epithelial tubular structures. EMBO J (2014) 0.93
Stimulatory and inhibitory signaling molecules that regulate renal branching morphogenesis. Pediatr Nephrol (2008) 0.93
Tight regulation of p53 activity by Mdm2 is required for ureteric bud growth and branching. Dev Biol (2011) 0.92
The kidney and planar cell polarity. Curr Top Dev Biol (2012) 0.89
Gene regulatory network of renal primordium development. Pediatr Nephrol (2013) 0.87
Lower urinary tract development and disease. Wiley Interdiscip Rev Syst Biol Med (2013) 0.87
Development of the Mammalian Kidney. Curr Top Dev Biol (2016) 0.86
Wnt and planar cell polarity signaling in cystic renal disease. Organogenesis (2013) 0.86
Planar cell polarity in kidney development and disease. Organogenesis (2011) 0.85
Non-canonical wnt signals antagonize and canonical wnt signals promote cell proliferation in early kidney development. Dev Dyn (2011) 0.84
The leucine zipper putative tumor suppressor 2 protein LZTS2 regulates kidney development. J Biol Chem (2011) 0.81
The genetics and epigenetics of kidney development. Semin Nephrol (2013) 0.80
The GDNF target Vsnl1 marks the ureteric tip. J Am Soc Nephrol (2011) 0.80
Understanding kidney morphogenesis to guide renal tissue regeneration. Nat Rev Nephrol (2016) 0.80
Histone deacetylase 1 and 2 regulate Wnt and p53 pathways in the ureteric bud epithelium. Development (2015) 0.79
(Pro)renin Receptor in Kidney Development and Disease. Int J Nephrol (2011) 0.78
Stromally expressed β-catenin modulates Wnt9b signaling in the ureteric epithelium. PLoS One (2015) 0.78
Midline-derived Shh regulates mesonephric tubule formation through the paraxial mesoderm. Dev Biol (2013) 0.78
β-CateninC429S mice exhibit sterility consequent to spatiotemporally sustained Wnt signalling in the internal genitalia. Sci Rep (2014) 0.77
The ureteric bud epithelium: morphogenesis and roles in metanephric kidney patterning. Mol Reprod Dev (2015) 0.77
Hyperglycemia: GDNF-EGR1 pathway target renal epithelial cell migration and apoptosis in diabetic renal embryopathy. PLoS One (2013) 0.77
Sall4 Is Transiently Expressed in the Caudal Wolffian Duct and the Ureteric Bud, but Dispensable for Kidney Development. PLoS One (2013) 0.76
LDL Receptor-Related Protein 6 Modulates Ret Proto-Oncogene Signaling in Renal Development and Cystic Dysplasia. J Am Soc Nephrol (2015) 0.76
7-dehydrocholesterol efficiently supports Ret signaling in a mouse model of Smith-Opitz-Lemli syndrome. Sci Rep (2016) 0.76
In Vitro Propagation and Branching Morphogenesis from Single Ureteric Bud Cells. Stem Cell Reports (2017) 0.75
Comparison of gene expression of the oncogenic Wnt/β-catenin signaling pathway components in the mouse and human epididymis. Asian J Androl (2015) 0.75
microRNA-dependent temporal gene expression in the ureteric bud epithelium during mammalian kidney development. Dev Dyn (2014) 0.75
The contribution of branching morphogenesis to kidney development and disease. Nat Rev Nephrol (2016) 0.75
The Good and Bad of β-Catenin in Kidney Development and Renal Dysplasia. Front Cell Dev Biol (2015) 0.75
LRP5 variants may contribute to ADPKD. Eur J Hum Genet (2015) 0.75
Generalized lacZ expression with the ROSA26 Cre reporter strain. Nat Genet (1999) 55.63
Identification of c-MYC as a target of the APC pathway. Science (1998) 24.25
Wnt/beta-catenin/Tcf signaling induces the transcription of Axin2, a negative regulator of the signaling pathway. Mol Cell Biol (2002) 10.95
Intestinal polyposis in mice with a dominant stable mutation of the beta-catenin gene. EMBO J (1999) 10.82
The cyclin D1 gene is a target of the beta-catenin/LEF-1 pathway. Proc Natl Acad Sci U S A (1999) 10.75
Multiple roles for activated LEF/TCF transcription complexes during hair follicle development and differentiation. Development (1999) 9.82
Inactivation of the beta-catenin gene by Wnt1-Cre-mediated deletion results in dramatic brain malformation and failure of craniofacial development. Development (2001) 9.00
Negative feedback loop of Wnt signaling through upregulation of conductin/axin2 in colorectal and liver tumors. Mol Cell Biol (2002) 8.60
beta-Catenin controls hair follicle morphogenesis and stem cell differentiation in the skin. Cell (2001) 8.41
Caught up in a Wnt storm: Wnt signaling in cancer. Biochim Biophys Acta (2003) 7.85
Mapping Wnt/beta-catenin signaling during mouse development and in colorectal tumors. Proc Natl Acad Sci U S A (2003) 7.60
Lack of beta-catenin affects mouse development at gastrulation. Development (1995) 4.95
Sonic hedgehog regulates proliferation and differentiation of mesenchymal cells in the mouse metanephric kidney. Development (2002) 4.18
Hematopoietic stem cell and multilineage defects generated by constitutive beta-catenin activation. Nat Immunol (2006) 3.98
Balancing cell adhesion and Wnt signaling, the key role of beta-catenin. Curr Opin Genet Dev (2005) 3.79
Apc modulates embryonic stem-cell differentiation by controlling the dosage of beta-catenin signaling. Nat Genet (2002) 3.60
Activation of AXIN2 expression by beta-catenin-T cell factor. A feedback repressor pathway regulating Wnt signaling. J Biol Chem (2002) 3.34
Ezrin is concentrated in the apical microvilli of a wide variety of epithelial cells whereas moesin is found primarily in endothelial cells. J Cell Sci (1993) 3.02
Sprouty1 is a critical regulator of GDNF/RET-mediated kidney induction. Dev Cell (2005) 2.95
Wnt/beta-catenin signaling regulates nephron induction during mouse kidney development. Development (2007) 2.92
Armadillo is required for adherens junction assembly, cell polarity, and morphogenesis during Drosophila embryogenesis. J Cell Biol (1996) 2.89
beta-Catenin signals regulate cell growth and the balance between progenitor cell expansion and differentiation in the nervous system. Dev Biol (2003) 2.85
SLIT2-mediated ROBO2 signaling restricts kidney induction to a single site. Dev Cell (2004) 2.74
Pax2, a new murine paired-box-containing gene and its expression in the developing excretory system. Development (1990) 2.72
L1, a novel target of beta-catenin signaling, transforms cells and is expressed at the invasive front of colon cancers. J Cell Biol (2005) 2.39
Beta-catenin is essential for pancreatic acinar but not islet development. Development (2005) 2.38
GDNF/Ret signaling and the development of the kidney. Bioessays (2006) 2.27
Murine forkhead/winged helix genes Foxc1 (Mf1) and Foxc2 (Mfh1) are required for the early organogenesis of the kidney and urinary tract. Development (2000) 2.23
Positional cloning of heart and soul reveals multiple roles for PKC lambda in zebrafish organogenesis. Curr Biol (2001) 2.16
Mammalian tight junctions in the regulation of epithelial differentiation and proliferation. Curr Opin Cell Biol (2005) 1.91
Canonical WNT signaling during kidney development. Am J Physiol Renal Physiol (2007) 1.87
Regulation of ureteric bud outgrowth by Pax2-dependent activation of the glial derived neurotrophic factor gene. Development (2001) 1.84
Junctional recruitment of mammalian Scribble relies on E-cadherin engagement. Oncogene (2005) 1.73
Localization and differential expression of two isoforms of the tight junction protein ZO-1. Am J Physiol (1992) 1.72
Tbx18 regulates the development of the ureteral mesenchyme. J Clin Invest (2006) 1.63
Diversity among tight junctions in rat kidney: glomerular slit diaphragms and endothelial junctions express only one isoform of the tight junction protein ZO-1. Proc Natl Acad Sci U S A (1992) 1.56
GDNF induces branching and increased cell proliferation in the ureter of the mouse. Dev Biol (1997) 1.56
Branching morphogenesis and kidney disease. Development (2004) 1.54
Two classes of tight junctions are revealed by ZO-1 isoforms. Am J Physiol (1993) 1.43
beta-catenin/TCF/Lef controls a differentiation-associated transcriptional program in renal epithelial progenitors. Development (2007) 1.42
Epithelial cell adhesion and the regulation of gene expression. Trends Cell Biol (2003) 1.32
Evolving concepts in human renal dysplasia. J Am Soc Nephrol (2004) 1.26
Tailbud-derived mesenchyme promotes urinary tract segmentation via BMP4 signaling. Development (2007) 1.23
The role of GDNF in patterning the excretory system. Dev Biol (2005) 1.22
Grainyhead-related transcription factor is required for duct maturation in the salivary gland and the kidney of the mouse. Development (2006) 1.20
Tight junction assembly during mouse blastocyst formation is regulated by late expression of ZO-1 alpha+ isoform. Development (1997) 1.14
Renal development: perspectives on a Wnt-dependent process. Semin Cell Dev Biol (2003) 1.13
Expression of AQP family in rat kidneys during development and maturation. Am J Physiol (1997) 0.97
Assembly of tight junctions during early vertebrate development. Semin Cell Dev Biol (2000) 0.95
Glial cell line-derived neurotrophic factor stimulates ureteric bud outgrowth and enhances survival of ureteric bud cells in vitro. Exp Nephrol (1998) 0.93
The induction of ret by Wnt-1 in PC12 cells is atypically dependent on continual Wnt-1 expression. Oncogene (1996) 0.88
Renal hypoplasia and dysplasia: starting to put the puzzle together. J Am Soc Nephrol (2006) 0.84
Abnormal renal phenotype in L1 knockout mice: a novel cause of CAKUT. Nephrol Dial Transplant (2002) 0.82
Efficient recombination in diverse tissues by a tamoxifen-inducible form of Cre: a tool for temporally regulated gene activation/inactivation in the mouse. Dev Biol (2002) 13.87
Derivation of embryonic stem-cell lines from human blastocysts. N Engl J Med (2004) 8.89
Canonical Wnt signaling in differentiated osteoblasts controls osteoclast differentiation. Dev Cell (2005) 7.64
Fate tracing reveals the pericyte and not epithelial origin of myofibroblasts in kidney fibrosis. Am J Pathol (2009) 7.34
Distinct roles for Hedgehog and canonical Wnt signaling in specification, differentiation and maintenance of osteoblast progenitors. Development (2006) 7.08
Evidence for an expansion-based temporal Shh gradient in specifying vertebrate digit identities. Cell (2004) 7.01
Intrinsic epithelial cells repair the kidney after injury. Cell Stem Cell (2008) 6.54
Six2 defines and regulates a multipotent self-renewing nephron progenitor population throughout mammalian kidney development. Cell Stem Cell (2008) 5.76
Wnt9b plays a central role in the regulation of mesenchymal to epithelial transitions underlying organogenesis of the mammalian urogenital system. Dev Cell (2005) 4.91
Acquisition of granule neuron precursor identity is a critical determinant of progenitor cell competence to form Shh-induced medulloblastoma. Cancer Cell (2008) 4.68
Mouse brain organization revealed through direct genome-scale TF expression analysis. Science (2004) 4.55
Sonic hedgehog regulates proliferation and differentiation of mesenchymal cells in the mouse metanephric kidney. Development (2002) 4.18
A mitogen gradient of dorsal midline Wnts organizes growth in the CNS. Development (2002) 4.13
Canonical Wnt signaling regulates organ-specific assembly and differentiation of CNS vasculature. Science (2008) 3.86
Hedgehog signaling in the neural crest cells regulates the patterning and growth of facial primordia. Genes Dev (2004) 3.83
Sonic hedgehog is required for progenitor cell maintenance in telencephalic stem cell niches. Neuron (2003) 3.76
The morphogen sonic hedgehog is an axonal chemoattractant that collaborates with netrin-1 in midline axon guidance. Cell (2003) 3.66
Efficient gene modulation in mouse epiblast using a Sox2Cre transgenic mouse strain. Mech Dev (2002) 3.49
WNT7b mediates macrophage-induced programmed cell death in patterning of the vasculature. Nature (2005) 3.44
Pattern formation in the vertebrate neural tube: a sonic hedgehog morphogen-regulated transcriptional network. Development (2008) 3.30
Dicer-dependent pathways regulate chondrocyte proliferation and differentiation. Proc Natl Acad Sci U S A (2008) 3.10
Wnt11 and Ret/Gdnf pathways cooperate in regulating ureteric branching during metanephric kidney development. Development (2003) 3.08
A novel somatic mouse model to survey tumorigenic potential applied to the Hedgehog pathway. Cancer Res (2006) 3.06
Chronic epithelial kidney injury molecule-1 expression causes murine kidney fibrosis. J Clin Invest (2013) 3.03
Distinct and sequential tissue-specific activities of the LIM-class homeobox gene Lim1 for tubular morphogenesis during kidney development. Development (2005) 2.98
Sprouty1 is a critical regulator of GDNF/RET-mediated kidney induction. Dev Cell (2005) 2.95
Wnt/beta-catenin signaling regulates nephron induction during mouse kidney development. Development (2007) 2.92
Macrophage Wnt7b is critical for kidney repair and regeneration. Proc Natl Acad Sci U S A (2010) 2.87
The cdx genes and retinoic acid control the positioning and segmentation of the zebrafish pronephros. PLoS Genet (2007) 2.85
Wnt9b signaling regulates planar cell polarity and kidney tubule morphogenesis. Nat Genet (2009) 2.84
Sonic hedgehog signaling is required for expansion of granule neuron precursors and patterning of the mouse cerebellum. Dev Biol (2004) 2.77
Conditional mouse osteosarcoma, dependent on p53 loss and potentiated by loss of Rb, mimics the human disease. Genes Dev (2008) 2.74
Disruption of Fgf10/Fgfr2b-coordinated epithelial-mesenchymal interactions causes cleft palate. J Clin Invest (2004) 2.72
Notch2, but not Notch1, is required for proximal fate acquisition in the mammalian nephron. Development (2007) 2.70
A genome-scale analysis of the cis-regulatory circuitry underlying sonic hedgehog-mediated patterning of the mammalian limb. Genes Dev (2008) 2.66
The cell surface membrane proteins Cdo and Boc are components and targets of the Hedgehog signaling pathway and feedback network in mice. Dev Cell (2006) 2.62
Genomic characterization of Gli-activator targets in sonic hedgehog-mediated neural patterning. Development (2007) 2.60
A Wnt7b-dependent pathway regulates the orientation of epithelial cell division and establishes the cortico-medullary axis of the mammalian kidney. Development (2009) 2.55
Sox17 promotes differentiation in mouse embryonic stem cells by directly regulating extraembryonic gene expression and indirectly antagonizing self-renewal. Genes Dev (2010) 2.50
Atlas of gene expression in the developing kidney at microanatomic resolution. Dev Cell (2008) 2.44
Noncanonical Wnt signaling through G protein-linked PKCdelta activation promotes bone formation. Dev Cell (2007) 2.41
Ihh signaling is directly required for the osteoblast lineage in the endochondral skeleton. Development (2004) 2.39
Ectodermal Wnt3/beta-catenin signaling is required for the establishment and maintenance of the apical ectodermal ridge. Genes Dev (2003) 2.34
Neural crest origins of the neck and shoulder. Nature (2005) 2.31
A genome-wide RNA interference screen in Drosophila melanogaster cells for new components of the Hh signaling pathway. Nat Genet (2005) 2.26
The GUDMAP database--an online resource for genitourinary research. Development (2011) 2.20
Modeling recent human evolution in mice by expression of a selected EDAR variant. Cell (2013) 2.17
Osteoblastic regulation of B lymphopoiesis is mediated by Gs{alpha}-dependent signaling pathways. Proc Natl Acad Sci U S A (2008) 2.15
A direct requirement for Hedgehog signaling for normal specification of all ventral progenitor domains in the presumptive mammalian spinal cord. Genes Dev (2002) 2.09
Selective translocation of intracellular Smoothened to the primary cilium in response to Hedgehog pathway modulation. Proc Natl Acad Sci U S A (2009) 2.04
Feedback control of mammalian Hedgehog signaling by the Hedgehog-binding protein, Hip1, modulates Fgf signaling during branching morphogenesis of the lung. Genes Dev (2003) 2.00
Canonical Wnt9b signaling balances progenitor cell expansion and differentiation during kidney development. Development (2011) 1.92
Wnt7b stimulates embryonic lung growth by coordinately increasing the replication of epithelium and mesenchyme. Development (2008) 1.90
Temporal differences in granulosa cell specification in the ovary reflect distinct follicle fates in mice. Biol Reprod (2012) 1.88
The Hedgehog-binding proteins Gas1 and Cdo cooperate to positively regulate Shh signaling during mouse development. Genes Dev (2007) 1.87
FGFR1 is independently required in both developing mid- and hindbrain for sustained response to isthmic signals. EMBO J (2003) 1.85
High-resolution gene expression analysis of the developing mouse kidney defines novel cellular compartments within the nephron progenitor population. Dev Biol (2009) 1.84
Analysis of early nephron patterning reveals a role for distal RV proliferation in fusion to the ureteric tip via a cap mesenchyme-derived connecting segment. Dev Biol (2009) 1.83
Indian hedgehog stimulates periarticular chondrocyte differentiation to regulate growth plate length independently of PTHrP. J Clin Invest (2005) 1.82
Mammalian kidney development: principles, progress, and projections. Cold Spring Harb Perspect Biol (2012) 1.80
Shh signaling within the dental epithelium is necessary for cell proliferation, growth and polarization. Development (2002) 1.78
Overlapping roles and collective requirement for the coreceptors GAS1, CDO, and BOC in SHH pathway function. Dev Cell (2011) 1.77
A high-resolution anatomical ontology of the developing murine genitourinary tract. Gene Expr Patterns (2007) 1.77
Six2 and Wnt regulate self-renewal and commitment of nephron progenitors through shared gene regulatory networks. Dev Cell (2012) 1.75
Hedgehog signaling is essential for endothelial tube formation during vasculogenesis. Development (2004) 1.74
Growth and pattern of the mammalian neural tube are governed by partially overlapping feedback activities of the hedgehog antagonists patched 1 and Hhip1. Development (2004) 1.72
Shifting paradigms in Hedgehog signaling. Curr Opin Cell Biol (2007) 1.67
Regulation of skeletogenic differentiation in cranial dermal bone. Development (2007) 1.65
Invasion of distal nephron precursors associates with tubular interconnection during nephrogenesis. J Am Soc Nephrol (2012) 1.65
Stromal-epithelial crosstalk regulates kidney progenitor cell differentiation. Nat Cell Biol (2013) 1.64
Vertebrate kidney tubules elongate using a planar cell polarity-dependent, rosette-based mechanism of convergent extension. Nat Genet (2012) 1.62
Hedgehog signaling is dispensable for adult murine hematopoietic stem cell function and hematopoiesis. Cell Stem Cell (2009) 1.61
Dorsoventral patterning is established in the telencephalon of mutants lacking both Gli3 and Hedgehog signaling. Development (2002) 1.61
Efficient gene modulation in mouse epiblast using a Sox2Cre transgenic mouse strain. Gene Expr Patterns (2002) 1.61
A sonic hedgehog-dependent signaling relay regulates growth of diencephalic and mesencephalic primordia in the early mouse embryo. Development (2002) 1.60
Modulation of morphogenesis by noncanonical Wnt signaling requires ATF/CREB family-mediated transcriptional activation of TGFbeta2. Nat Genet (2007) 1.59
Apoptosis induced by vitamin A signaling is crucial for connecting the ureters to the bladder. Nat Genet (2005) 1.58
Boc and Gas1 each form distinct Shh receptor complexes with Ptch1 and are required for Shh-mediated cell proliferation. Dev Cell (2011) 1.55
Notochord-derived Shh concentrates in close association with the apically positioned basal body in neural target cells and forms a dynamic gradient during neural patterning. Development (2008) 1.54
Dicer regulates the development of nephrogenic and ureteric compartments in the mammalian kidney. Kidney Int (2010) 1.54
Molecular regulation of kidney development: is the answer blowing in the Wnt? Pediatr Nephrol (2007) 1.52
Aberrant activation, nuclear localization, and phosphorylation of Yes-associated protein-1 in the embryonic kidney and Wilms tumor. Pediatr Blood Cancer (2013) 1.46
Recent genetic studies of mouse kidney development. Curr Opin Genet Dev (2004) 1.45
BMP signaling stimulates cellular differentiation at multiple steps during cartilage development. Proc Natl Acad Sci U S A (2005) 1.44
Maternal inheritance of Cre activity in a Sox2Cre deleter strain. Genesis (2003) 1.43
Planar cell polarity and vertebrate organogenesis. Semin Cell Dev Biol (2006) 1.43
Branching morphogenesis of the lung: new molecular insights into an old problem. Trends Cell Biol (2003) 1.41
The limb bud Shh-Fgf feedback loop is terminated by expansion of former ZPA cells. Science (2004) 1.40