Gene Symbol: Ascl1
Description: achaete-scute family bHLH transcription factor 1
Alias: AI225900, ASH1, Mash1, bHLHa46, achaete-scute homolog 1, ASH-1, achaete-scute complex homolog 1, achaete-scute complex homolog-like 1, achaete-scute complex-like protein 1, mASH-1, mammalian achaete scute homolog 1
Species: mouse
Products:     Ascl1

Top Publications

  1. Wildner H, Muller T, Cho S, Bröhl D, Cepko C, Guillemot F, et al. dILA neurons in the dorsal spinal cord are the product of terminal and non-terminal asymmetric progenitor cell divisions, and require Mash1 for their development. Development. 2006;133:2105-13 pubmed
    ..spinal cord, and arise in a salt-and-pepper pattern from a broad progenitor domain that expresses the bHLH factor Mash1. In this domain, Mash1-positive and Mash1-negative cells intermingle...
  2. Borges M, Linnoila R, van de Velde H, Chen H, Nelkin B, Mabry M, et al. An achaete-scute homologue essential for neuroendocrine differentiation in the lung. Nature. 1997;386:852-5 pubmed
    ..Strikingly, newborn mice bearing a disruption of the ASH1 gene have no detectable pulmonary neuroendocrine cells...
  3. Imayoshi I, Isomura A, Harima Y, Kawaguchi K, Kori H, Miyachi H, et al. Oscillatory control of factors determining multipotency and fate in mouse neural progenitors. Science. 2013;342:1203-8 pubmed publisher
    The basic helix-loop-helix transcription factors Ascl1/Mash1, Hes1, and Olig2 regulate fate choice of neurons, astrocytes, and oligodendrocytes, respectively. These same factors are coexpressed by neural progenitor cells...
  4. Haubst N, Berger J, Radjendirane V, Graw J, Favor J, Saunders G, et al. Molecular dissection of Pax6 function: the specific roles of the paired domain and homeodomain in brain development. Development. 2004;131:6131-40 pubmed
    ..These results therefore demonstrate a key role of the PD in brain development and implicate splicing as a pivotal factor regulating the potent neurogenic role of Pax6. ..
  5. Feng L, Xie X, Joshi P, Yang Z, Shibasaki K, Chow R, et al. Requirement for Bhlhb5 in the specification of amacrine and cone bipolar subtypes in mouse retina. Development. 2006;133:4815-25 pubmed
    ..Our results reveal that a bHLH transcription factor cascade is involved in regulating retinal cell differentiation and imply that Bhlhb5 functions downstream of retinogenic factors to specify bipolar and amacrine subtypes. ..
  6. Hirsch M, Tiveron M, Guillemot F, Brunet J, Goridis C. Control of noradrenergic differentiation and Phox2a expression by MASH1 in the central and peripheral nervous system. Development. 1998;125:599-608 pubmed
    b>Mash1, a mammalian homologue of the Drosophila proneural genes of the achaete-scute complex, is transiently expressed throughout the developing peripheral autonomic nervous system and in subsets of cells in the neural tube...
  7. Qian Y, Shirasawa S, Chen C, Cheng L, Ma Q. Proper development of relay somatic sensory neurons and D2/D4 interneurons requires homeobox genes Rnx/Tlx-3 and Tlx-1. Genes Dev. 2002;16:1220-33 pubmed
    ..Here we show that relay somatic sensory neurons and D2/D4 dorsal interneurons likely derive from Mash1-positive neural precursors, and depend on two related homeobox genes, Rnx and Tlx-1, for proper formation...
  8. Gaufo G, Flodby P, Capecchi M. Hoxb1 controls effectors of sonic hedgehog and Mash1 signaling pathways. Development. 2000;127:5343-54 pubmed
    ..this function by acting very early during hindbrain neurogenesis to specify effectors of the sonic hedgehog and Mash1 signaling pathways...
  9. Long J, Garel S, Alvarez Dolado M, Yoshikawa K, Osumi N, Alvarez Buylla A, et al. Dlx-dependent and -independent regulation of olfactory bulb interneuron differentiation. J Neurosci. 2007;27:3230-43 pubmed
    ..mechanisms that result in olfactory bulb interneuron defects in Dlx1&2-/- (distal-less homeobox 1 and 2) and Mash1-/- (mammalian achaete-schute homolog 1) mutants...

More Information


  1. Lütolf S, Radtke F, Aguet M, Suter U, Taylor V. Notch1 is required for neuronal and glial differentiation in the cerebellum. Development. 2002;129:373-85 pubmed
    ..We have also analyzed the effects of Notch1 ablation on gliogenesis in vivo. Our results show that Notch1 is required for both neuron and glia formation and modulates the onset of neurogenesis within the cerebellar neuroepithelium. ..
  2. Gradwohl G, Fode C, Guillemot F. Restricted expression of a novel murine atonal-related bHLH protein in undifferentiated neural precursors. Dev Biol. 1996;180:227-41 pubmed
    ..proteins, atonal and achaete-scute, have proneural activities in Drosophila, and the mouse achaete-scute homolog MASH1 is required for the differentiation of several neural lineages...
  3. Nieto M, Schuurmans C, Britz O, Guillemot F. Neural bHLH genes control the neuronal versus glial fate decision in cortical progenitors. Neuron. 2001;29:401-13 pubmed
    We have addressed the role of the proneural bHLH genes Neurogenin2 (Ngn2) and Mash1 in the selection of neuronal and glial fates by neural stem cells...
  4. Muller T, Anlag K, Wildner H, Britsch S, Treier M, Birchmeier C. The bHLH factor Olig3 coordinates the specification of dorsal neurons in the spinal cord. Genes Dev. 2005;19:733-43 pubmed
    ..We conclude that Olig3 expression distinguishes the two major classes of progenitors in the dorsal spinal cord and determines the distinct specification program of class A neurons. ..
  5. Muroyama Y, Fujihara M, Ikeya M, Kondoh H, Takada S. Wnt signaling plays an essential role in neuronal specification of the dorsal spinal cord. Genes Dev. 2002;16:548-53 pubmed
    ..Thus, Wnt signaling plays a critical role in the specification of cell types for dorsal interneurons. ..
  6. Cau E, Casarosa S, Guillemot F. Mash1 and Ngn1 control distinct steps of determination and differentiation in the olfactory sensory neuron lineage. Development. 2002;129:1871-80 pubmed
    ..In the olfactory epithelium, the proneural genes Mash1 and neurogenin1 are expressed at distinct steps in the same olfactory sensory neuron lineage...
  7. Cau E, Gradwohl G, Casarosa S, Kageyama R, Guillemot F. Hes genes regulate sequential stages of neurogenesis in the olfactory epithelium. Development. 2000;127:2323-32 pubmed
    ..Hes1 is expressed in a broad placodal domain, which is maintained in absence of the neural determination gene Mash1. In contrast, expression of Hes5 is restricted to clusters of neural progenitor cells and requires Mash1 function...
  8. Kroll T, O Leary D. Ventralized dorsal telencephalic progenitors in Pax6 mutant mice generate GABA interneurons of a lateral ganglionic eminence fate. Proc Natl Acad Sci U S A. 2005;102:7374-9 pubmed
    ..Thus, Pax6 delimits the appropriate proliferative zone for GABA INs and regulates their numbers and distributions by repressing the ventral fates of dTel progenitors and progeny. ..
  9. Leung C, Coulombe P, Reed R. Contribution of olfactory neural stem cells to tissue maintenance and regeneration. Nat Neurosci. 2007;10:720-6 pubmed
    ..Our data support a new model of adult neurogenesis in which distinct cell populations mediate normal neuronal turnover and neuronal replacement upon traumatic injury. ..
  10. Webb A, Pollina E, Vierbuchen T, Urbán N, Ucar D, Leeman D, et al. FOXO3 shares common targets with ASCL1 genome-wide and inhibits ASCL1-dependent neurogenesis. Cell Rep. 2013;4:477-91 pubmed publisher
    ..for bHLH transcription factors, and FOXO3 shares common targets with the proneuronal bHLH transcription factor ASCL1/MASH1 in NPCs...
  11. Henke R, Meredith D, Borromeo M, Savage T, Johnson J. Ascl1 and Neurog2 form novel complexes and regulate Delta-like3 (Dll3) expression in the neural tube. Dev Biol. 2009;328:529-40 pubmed publisher
    ..of the Dll3-promoter in the dorsal neural tube depends on the basic helix-loop-helix (bHLH) transcription factors Ascl1 (Mash1) and Neurog2 (Ngn2)...
  12. Mason H, Rakowiecki S, Raftopoulou M, Nery S, Huang Y, Gridley T, et al. Notch signaling coordinates the patterning of striatal compartments. Development. 2005;132:4247-58 pubmed
    ..These results indicate that Notch signaling is required in neural progenitor cells to control cell fate in the striatum, but is dispensable during subsequent phases of neuronal migration and differentiation. ..
  13. Gaufo G, Wu S, Capecchi M. Contribution of Hox genes to the diversity of the hindbrain sensory system. Development. 2004;131:1259-66 pubmed
    ..More generally, these findings contribute to our understanding of how Hox genes specifically control cellular diversity in the developing organism ..
  14. Herzog D, Loetscher P, van Hengel J, Knüsel S, Brakebusch C, Taylor V, et al. The small GTPase RhoA is required to maintain spinal cord neuroepithelium organization and the neural stem cell pool. J Neurosci. 2011;31:5120-30 pubmed publisher
    ..Together, our data show that RhoA signaling is necessary for AJ regulation and for the maintenance of mammalian neuroepithelium organization preventing precocious cell-cycle exit and differentiation. ..
  15. Black B, Ligon K, Zhang Y, Olson E. Cooperative transcriptional activation by the neurogenic basic helix-loop-helix protein MASH1 and members of the myocyte enhancer factor-2 (MEF2) family. J Biol Chem. 1996;271:26659-63 pubmed
    ..Here, we show that the neurogenic bHLH protein MASH1 interacts with members of the MEF2 family and that this interaction, mediated by the DNA binding and dimerization ..
  16. Lee J, Hollenberg S, Snider L, Turner D, Lipnick N, Weintraub H. Conversion of Xenopus ectoderm into neurons by NeuroD, a basic helix-loop-helix protein. Science. 1995;268:836-44 pubmed
    ..The data suggest that neuroD may participate in the terminal differentiation step during vertebrate neuronal development. ..
  17. Miyoshi G, Bessho Y, Yamada S, Kageyama R. Identification of a novel basic helix-loop-helix gene, Heslike, and its role in GABAergic neurogenesis. J Neurosci. 2004;24:3672-82 pubmed
    ..Heslike is coexpressed with the bHLH factor Mash1 in brain regions that give rise to GABAergic neurons...
  18. Brzezinski J, Kim E, Johnson J, Reh T. Ascl1 expression defines a subpopulation of lineage-restricted progenitors in the mammalian retina. Development. 2011;138:3519-31 pubmed publisher
    ..fate diversification, we assayed the expression of three transcription factors made by retinal progenitors: Ascl1 (Mash1), Ngn2 (Neurog2) and Olig2...
  19. Pacary E, Azzarelli R, Guillemot F. Rnd3 coordinates early steps of cortical neurogenesis through actin-dependent and -independent mechanisms. Nat Commun. 2013;4:1635 pubmed publisher
    ..Interestingly, although Rnd3 expression is controlled transcriptionally by Ascl1, this proneural factor is itself required in radial glial progenitors only for proper orientation of cell ..
  20. Parras C, Schuurmans C, Scardigli R, Kim J, Anderson D, Guillemot F. Divergent functions of the proneural genes Mash1 and Ngn2 in the specification of neuronal subtype identity. Genes Dev. 2002;16:324-38 pubmed
    The neural bHLH genes Mash1 and Ngn2 are expressed in complementary populations of neural progenitors in the central and peripheral nervous systems...
  21. Pacary E, Heng J, Azzarelli R, Riou P, Castro D, Lebel Potter M, et al. Proneural transcription factors regulate different steps of cortical neuron migration through Rnd-mediated inhibition of RhoA signaling. Neuron. 2011;69:1069-84 pubmed publisher
    ..Here, we show that another proneural factor, Ascl1, promotes neuronal migration in the cortex through direct regulation of a second Rnd family member, Rnd3...
  22. Long J, Swan C, Liang W, Cobos I, Potter G, Rubenstein J. Dlx1&2 and Mash1 transcription factors control striatal patterning and differentiation through parallel and overlapping pathways. J Comp Neurol. 2009;512:556-72 pubmed publisher
    ..The Dlx-independent pathway depends in part on the function of the Mash1 b-HLH transcription factor...
  23. Pattyn A, Guillemot F, Brunet J. Delays in neuronal differentiation in Mash1/Ascl1 mutants. Dev Biol. 2006;295:67-75 pubmed
    ..Here, we report a novel function for the bHLH transcription factor Ascl1/Mash1 in the generation of the nucleus of the solitary tract (nTS)...
  24. Kele J, Simplicio N, Ferri A, Mira H, Guillemot F, Arenas E, et al. Neurogenin 2 is required for the development of ventral midbrain dopaminergic neurons. Development. 2006;133:495-505 pubmed
    ..Neurogenin 2 (Ngn2) and Mash1 are expressed in the ventral midline, while Ngn1, Ngn2 and Mash1 are co-localized more laterally in the ..
  25. Hirota J, Mombaerts P. The LIM-homeodomain protein Lhx2 is required for complete development of mouse olfactory sensory neurons. Proc Natl Acad Sci U S A. 2004;101:8751-5 pubmed
    ..OSN development appears to be arrested between the terminal differentiation into neurons and the transition to immature neurons. Thus, Lhx2 is required for complete development of OSNs in mice. ..
  26. Horton S, Meredith A, Richardson J, Johnson J. Correct coordination of neuronal differentiation events in ventral forebrain requires the bHLH factor MASH1. Mol Cell Neurosci. 1999;14:355-69 pubmed
    b>MASH1 is a bHLH transcription factor specifically expressed in the developing nervous system that has an essential role in the formation of multiple neuronal lineages in the peripheral and central nervous systems...
  27. Philips G, Stair C, Young Lee H, Wroblewski E, Berberoglu M, Brown N, et al. Precocious retinal neurons: Pax6 controls timing of differentiation and determination of cell type. Dev Biol. 2005;279:308-21 pubmed
    ..Mutant optic vesicles had reduced proliferation, coupled with precocious activation of the proneural gene, Mash1. Ectopic expression of Mash1 was sufficient to induce precocious neuron differentiation...
  28. Sammeta N, Hardin D, McClintock T. Uncx regulates proliferation of neural progenitor cells and neuronal survival in the olfactory epithelium. Mol Cell Neurosci. 2010;45:398-407 pubmed publisher
    ..Uncx expression was rare in olfactory epithelia of Ascl1(-/-) mice, but common in Neurog1(-/-) mice...
  29. Casarosa S, Fode C, Guillemot F. Mash1 regulates neurogenesis in the ventral telencephalon. Development. 1999;126:525-34 pubmed
    Previous studies have shown that mice mutant for the gene Mash1 display severe neuronal losses in the olfactory epithelium and ganglia of the autonomic nervous system, demonstrating a role for Mash1 in development of neuronal lineages in ..
  30. Ono Y, Nakatani T, Sakamoto Y, Mizuhara E, Minaki Y, Kumai M, et al. Differences in neurogenic potential in floor plate cells along an anteroposterior location: midbrain dopaminergic neurons originate from mesencephalic floor plate cells. Development. 2007;134:3213-25 pubmed
    ..Our data provide insights into the mechanisms of specification and generation of mesDA neurons, and illustrate a useful cell replacement approach for Parkinson's disease. ..
  31. Stoykova A, Fritsch R, Walther C, Gruss P. Forebrain patterning defects in Small eye mutant mice. Development. 1996;122:3453-65 pubmed
    ..Our results are discussed in light of changes in adhesive properties in the Sey brain that might control segregation, assembly and cell migration of progenitors of specific forebrain regions. ..
  32. Oishi K, Watatani K, Itoh Y, Okano H, Guillemot F, Nakajima K, et al. Selective induction of neocortical GABAergic neurons by the PDK1-Akt pathway through activation of Mash1. Proc Natl Acad Sci U S A. 2009;106:13064-9 pubmed publisher
    ..Furthermore, active Akt increased the protein levels and transactivation activity of Mash1, a proneural basic helix-loop-helix protein required for the generation of neocortical GABAergic neurons, and ..
  33. Pollak J, Wilken M, Ueki Y, Cox K, Sullivan J, Taylor R, et al. ASCL1 reprograms mouse Muller glia into neurogenic retinal progenitors. Development. 2013;140:2619-31 pubmed publisher
    ..glia (MG) that activate the gene encoding the proneural factor Achaete-scute homolog 1 (Ascl1; also known as Mash1 in mammals) and de-differentiate into progenitor cells...
  34. Henke R, Savage T, Meredith D, Glasgow S, Hori K, Dumas J, et al. Neurog2 is a direct downstream target of the Ptf1a-Rbpj transcription complex in dorsal spinal cord. Development. 2009;136:2945-54 pubmed publisher
  35. Schuurmans C, Armant O, Nieto M, Stenman J, Britz O, Klenin N, et al. Sequential phases of cortical specification involve Neurogenin-dependent and -independent pathways. EMBO J. 2004;23:2892-902 pubmed
    ..Our study thus reveals an unanticipated heterogeneity in the genetic mechanisms specifying the identity of neocortical projection neurons. ..
  36. Baek J, Hatakeyama J, Sakamoto S, Ohtsuka T, Kageyama R. Persistent and high levels of Hes1 expression regulate boundary formation in the developing central nervous system. Development. 2006;133:2467-76 pubmed
    ..Expression levels of Hes1 display an inverse correlation to those of the proneural bHLH factor Mash1, suggesting that downregulation of Hes1 leads to upregulation of Mash1 in non-boundary regions, whereas persistent ..
  37. Rallu M, Machold R, Gaiano N, Corbin J, McMahon A, Fishell G. Dorsoventral patterning is established in the telencephalon of mutants lacking both Gli3 and Hedgehog signaling. Development. 2002;129:4963-74 pubmed
    ..In addition these results support the idea that, in addition to hedgehog signaling, a Shh-independent pathways must act during development to pattern the telencephalon. ..
  38. Miyoshi G, Butt S, Takebayashi H, Fishell G. Physiologically distinct temporal cohorts of cortical interneurons arise from telencephalic Olig2-expressing precursors. J Neurosci. 2007;27:7786-98 pubmed
    ..We observe that the physiological subtypes of cortical interneurons are, to a large degree, unique to their time point of generation. ..
  39. Parras C, Galli R, Britz O, Soares S, Galichet C, Battiste J, et al. Mash1 specifies neurons and oligodendrocytes in the postnatal brain. EMBO J. 2004;23:4495-505 pubmed
    ..Here we show that Mash1, an important proneural gene in the embryonic telencephalon, is broadly expressed in the postnatal SVZ, in ..
  40. Pattyn A, Hirsch M, Goridis C, Brunet J. Control of hindbrain motor neuron differentiation by the homeobox gene Phox2b. Development. 2000;127:1349-58 pubmed
    ..Thus, the loss of function of Phox2b in hindbrain motor neurons exemplifies a novel control point in the generation of CNS neurons. ..
  41. Toresson H, Potter S, Campbell K. Genetic control of dorsal-ventral identity in the telencephalon: opposing roles for Pax6 and Gsh2. Development. 2000;127:4361-71 pubmed
    ..the molecular identity of early striatal progenitors and in its absence the ventral telencephalic regulatory genes Mash1 and Dlx are lost from most of the striatal germinal zone...
  42. Galichet C, Guillemot F, Parras C. Neurogenin 2 has an essential role in development of the dentate gyrus. Development. 2008;135:2031-41 pubmed publisher
    ..The proneural factors Mash1 (Ascl1) and neurogenin 2 (Ngn2) are expressed during formation of the DG but their role in the development of this ..
  43. Cobos I, Borello U, Rubenstein J. Dlx transcription factors promote migration through repression of axon and dendrite growth. Neuron. 2007;54:873-88 pubmed
  44. Chen L, Liao G, Yang L, Campbell K, Nakafuku M, Kuan C, et al. Cdc42 deficiency causes Sonic hedgehog-independent holoprosencephaly. Proc Natl Acad Sci U S A. 2006;103:16520-5 pubmed
    ..Taken together, these results indicate that Cdc42 has an essential role in establishing the apical-basal polarity of the telencephalic NE, which is needed for the expansion and bifurcation of cerebral hemispheres...
  45. Zordan P, Croci L, Hawkes R, Consalez G. Comparative analysis of proneural gene expression in the embryonic cerebellum. Dev Dyn. 2008;237:1726-35 pubmed publisher
    ..In the present study, we describe the expression of proneural genes Mash1/Ascl1, Ngn1/Neurog1, and Ngn2/Neurog2 in the cerebellar primordium at key stages of Purkinje cell and interneuron ..
  46. Osorio J, Mueller T, Retaux S, Vernier P, Wullimann M. Phylotypic expression of the bHLH genes Neurogenin2, Neurod, and Mash1 in the mouse embryonic forebrain. J Comp Neurol. 2010;518:851-71 pubmed publisher
    ..Clearly, there are strong similarities in the complementarity of territories expressing Ascl1/Mash 1 versus neurogenins/NeuroD in the entire mouse forebrain, except for the pretectal alar plate and basal plate of ..
  47. Hendershot T, Liu H, Clouthier D, Shepherd I, Coppola E, Studer M, et al. Conditional deletion of Hand2 reveals critical functions in neurogenesis and cell type-specific gene expression for development of neural crest-derived noradrenergic sympathetic ganglion neurons. Dev Biol. 2008;319:179-91 pubmed publisher
    ..Hand2 has a pivotal function in a non-linear cross-regulatory network of DNA binding proteins that affect cell autonomous control of differentiation and cell type-specific gene expression. ..
  48. Nakayama A, Miura H, Shindo Y, Kusakabe Y, Tomonari H, Harada S. Expression of the basal cell markers of taste buds in the anterior tongue and soft palate of the mouse embryo. J Comp Neurol. 2008;509:211-24 pubmed publisher
    ..To examine the embryonic development of the basal cells, the expression of Shh, Prox1, and Mash1 was determined in the anterior tongue and soft palate in mouse embryos by in situ hybridization...
  49. Pattyn A, Simplicio N, van Doorninck J, Goridis C, Guillemot F, Brunet J. Ascl1/Mash1 is required for the development of central serotonergic neurons. Nat Neurosci. 2004;7:589-95 pubmed
    ..The basic helix-loop-helix (bHLH) gene Ascl1 (also known as Mash1) is coexpressed with Nkx2-2 in the neuroepithelial domain of the hindbrain, which gives rise ..
  50. Davenne M, Maconochie M, Neun R, Pattyn A, Chambon P, Krumlauf R, et al. Hoxa2 and Hoxb2 control dorsoventral patterns of neuronal development in the rostral hindbrain. Neuron. 1999;22:677-91 pubmed
  51. Murray R, Navi D, Fesenko J, Lander A, Calof A. Widespread defects in the primary olfactory pathway caused by loss of Mash1 function. J Neurosci. 2003;23:1769-80 pubmed
    b>MASH1, a basic helix-loop-helix transcription factor, is widely expressed by neuronal progenitors in the CNS and PNS, suggesting that it plays a role in the development of many neural regions...
  52. Toresson H, Campbell K. A role for Gsh1 in the developing striatum and olfactory bulb of Gsh2 mutant mice. Development. 2001;128:4769-80 pubmed
  53. Tsarovina K, Pattyn A, Stubbusch J, Muller F, van der Wees J, Schneider C, et al. Essential role of Gata transcription factors in sympathetic neuron development. Development. 2004;131:4775-86 pubmed
    ..development from neural crest precursors by a network of crossregulatory transcription factors, which includes Mash1, Phox2b, Hand2 and Phox2a...
  54. Balmer C, LaMantia A. Noses and neurons: induction, morphogenesis, and neuronal differentiation in the peripheral olfactory pathway. Dev Dyn. 2005;234:464-81 pubmed
  55. Farkas L, Haffner C, Giger T, Khaitovich P, Nowick K, Birchmeier C, et al. Insulinoma-associated 1 has a panneurogenic role and promotes the generation and expansion of basal progenitors in the developing mouse neocortex. Neuron. 2008;60:40-55 pubmed publisher
    ..Our data imply that Insm1 is involved in the generation and expansion of basal progenitors, a hallmark of neocortex evolution. ..
  56. Lo L, Tiveron M, Anderson D. MASH1 activates expression of the paired homeodomain transcription factor Phox2a, and couples pan-neuronal and subtype-specific components of autonomic neuronal identity. Development. 1998;125:609-20 pubmed
    ..treatment of neural crest stem cells (NCSCs) with bone morphogenetic protein-2 (BMP-2) leads to an induction of MASH1 expression and consequent autonomic neuronal differentiation...
  57. Lo L, Johnson J, Wuenschell C, Saito T, Anderson D. Mammalian achaete-scute homolog 1 is transiently expressed by spatially restricted subsets of early neuroepithelial and neural crest cells. Genes Dev. 1991;5:1524-37 pubmed
    Using monoclonal antibodies, we have examined the expression pattern of MASH1, a basic helix-loop-helix protein that is a mammalian homolog of the Drosophila achaete-scute proteins...
  58. Kim E, Ables J, Dickel L, Eisch A, Johnson J. Ascl1 (Mash1) defines cells with long-term neurogenic potential in subgranular and subventricular zones in adult mouse brain. PLoS ONE. 2011;6:e18472 pubmed publisher
    Ascl1 (Mash1) is a bHLH transcription factor essential for neural differentiation during embryogenesis but its role in adult neurogenesis is less clear...
  59. Wu H, Ivkovic S, Murray R, Jaramillo S, Lyons K, Johnson J, et al. Autoregulation of neurogenesis by GDF11. Neuron. 2003;37:197-207 pubmed
  60. Schwarting G, Gridley T, Henion T. Notch1 expression and ligand interactions in progenitor cells of the mouse olfactory epithelium. J Mol Histol. 2007;38:543-53 pubmed
    ..These cells are distinct from Mash1(+) neuronal precursors, but give rise to sensory neurons, suggesting that Notch1 signals may in part function to ..
  61. Ito T, Udaka N, Yazawa T, Okudela K, Hayashi H, Sudo T, et al. Basic helix-loop-helix transcription factors regulate the neuroendocrine differentiation of fetal mouse pulmonary epithelium. Development. 2000;127:3913-21 pubmed
    ..fetal lung epithelia, we have studied the expression of the mammalian homologs of achaete-scute complex (Mash1) (Ascl1 - Mouse Genome Informatics); hairy and enhancer of split1 (Hes1); and the expression of Notch/Notch-ligand system ..
  62. Cau E, Gradwohl G, Fode C, Guillemot F. Mash1 activates a cascade of bHLH regulators in olfactory neuron progenitors. Development. 1997;124:1611-21 pubmed
    ..We show that Math4C/neurogenin1 and the basic helix-loop-helix gene Mash1 are expressed in the olfactory epithelium by different dividing progenitor populations, while another basic helix-..
  63. Ferron S, Pozo N, Laguna A, Aranda S, Porlan E, Moreno M, et al. Regulated segregation of kinase Dyrk1A during asymmetric neural stem cell division is critical for EGFR-mediated biased signaling. Cell Stem Cell. 2010;7:367-79 pubmed publisher
    ..Finally, Dyrk1a heterozygous NSCs exhibit defects in self-renewal, EGF-dependent cell-fate decisions, and long-term persistence in vivo, suggesting that symmetrical divisions play a role in the maintenance of the SEZ reservoir. ..
  64. Morikawa Y, D Autréaux F, Gershon M, Cserjesi P. Hand2 determines the noradrenergic phenotype in the mouse sympathetic nervous system. Dev Biol. 2007;307:114-26 pubmed
    ..the expression of other members of the transcriptional circuit regulating SNS development, including Phox2a/b, Mash1 and Gata2/3; however, Hand2 was required for Hand1 expression...
  65. Hatakeyama J, Bessho Y, Katoh K, Ookawara S, Fujioka M, Guillemot F, et al. Hes genes regulate size, shape and histogenesis of the nervous system by control of the timing of neural stem cell differentiation. Development. 2004;131:5539-50 pubmed
  66. Mizuguchi R, Kriks S, Cordes R, Gossler A, Ma Q, Goulding M. Ascl1 and Gsh1/2 control inhibitory and excitatory cell fate in spinal sensory interneurons. Nat Neurosci. 2006;9:770-8 pubmed
    ..We show that Gsh1/2 and Ascl1 (Mash1), which are expressed in sensory interneuron progenitors, control the choice between excitatory and ..
  67. Ishibashi M, Ang S, Shiota K, Nakanishi S, Kageyama R, Guillemot F. Targeted disruption of mammalian hairy and Enhancer of split homolog-1 (HES-1) leads to up-regulation of neural helix-loop-helix factors, premature neurogenesis, and severe neural tube defects. Genes Dev. 1995;9:3136-48 pubmed
    ..These results suggest that HES-1 normally controls the proper timing of neurogenesis and regulates neural tube morphogenesis. ..
  68. Nery S, Fishell G, Corbin J. The caudal ganglionic eminence is a source of distinct cortical and subcortical cell populations. Nat Neurosci. 2002;5:1279-87 pubmed
    ..Moreover, we report that the migratory fate of cells from the CGE is intrinsically determined by embryonic day 13.5 (E13.5). Together, these results provide the first insights into the development and fate of the CGE. ..
  69. Fode C, Ma Q, Casarosa S, Ang S, Anderson D, Guillemot F. A role for neural determination genes in specifying the dorsoventral identity of telencephalic neurons. Genes Dev. 2000;14:67-80 pubmed
    Neurogenin1 (Ngn1), Neurogenin2 (Ngn2), and Mash1 encode bHLH transcription factors with neuronal determination functions...
  70. Pattyn A, Morin X, Cremer H, Goridis C, Brunet J. The homeobox gene Phox2b is essential for the development of autonomic neural crest derivatives. Nature. 1999;399:366-70 pubmed
    ..The factors needed for these structures to develop include the transcription factor Mash1, the glial-derived neurotrophic factor GNDF and its receptor subunits, and the neuregulin signalling system, each ..
  71. Pratt T, Quinn J, Simpson T, West J, Mason J, Price D. Disruption of early events in thalamocortical tract formation in mice lacking the transcription factors Pax6 or Foxg1. J Neurosci. 2002;22:8523-31 pubmed
  72. Ohsawa R, Ohtsuka T, Kageyama R. Mash1 and Math3 are required for development of branchiomotor neurons and maintenance of neural progenitors. J Neurosci. 2005;25:5857-65 pubmed
    ..Here, we examined the roles of neural bHLH genes Mash1 and Math3 in the development of trigeminal and facial branchiomotor neurons, which derive from rhombomeres 2-4...
  73. Kawasaki T, Bekku Y, Suto F, Kitsukawa T, Taniguchi M, Nagatsu I, et al. Requirement of neuropilin 1-mediated Sema3A signals in patterning of the sympathetic nervous system. Development. 2002;129:671-80 pubmed
  74. Brown N, Kanekar S, Vetter M, Tucker P, Gemza D, Glaser T. Math5 encodes a murine basic helix-loop-helix transcription factor expressed during early stages of retinal neurogenesis. Development. 1998;125:4821-33 pubmed
    ..During retinogenesis, Math5 is expressed significantly before NeuroD, Ngn2 or Mash1. To test whether these bHLH genes influence the fates of distinct classes of retinal neurons, we ectopically ..
  75. Lee K, Dietrich P, Jessell T. Genetic ablation reveals that the roof plate is essential for dorsal interneuron specification. Nature. 2000;403:734-40 pubmed
    ..These results reveal that the roof plate is essential for specifying multiple classes of neurons in the mammalian central nervous system. ..
  76. Britz O, Mattar P, Nguyen L, Langevin L, Zimmer C, Alam S, et al. A role for proneural genes in the maturation of cortical progenitor cells. Cereb Cortex. 2006;16 Suppl 1:i138-51 pubmed
    ..specify the phenotypes of early- and not late-born neurons in the neocortex, acting in part through repression of Mash1, a third cortically expressed proneural gene...
  77. Jeong Y, Dolson D, Waclaw R, Matise M, Sussel L, Campbell K, et al. Spatial and temporal requirements for sonic hedgehog in the regulation of thalamic interneuron identity. Development. 2011;138:531-41 pubmed publisher
  78. Chen L, Melendez J, Campbell K, Kuan C, Zheng Y. Rac1 deficiency in the forebrain results in neural progenitor reduction and microcephaly. Dev Biol. 2009;325:162-70 pubmed publisher
    ..Together, these results suggest that Rac1 regulates self-renewal, survival, and differentiation of telencephalic neural progenitors, and that dysfunctions of Rac1 may lead to primary microcephaly. ..
  79. Sugimori M, Nagao M, Parras C, Nakatani H, Lebel M, Guillemot F, et al. Ascl1 is required for oligodendrocyte development in the spinal cord. Development. 2008;135:1271-81 pubmed publisher
    ..Our previous study demonstrated an important role of the helix-loop-helix (HLH) transcription factor Ascl1 in early generation of OLPs in the developing spinal cord...
  80. Hatakeyama J, Tomita K, Inoue T, Kageyama R. Roles of homeobox and bHLH genes in specification of a retinal cell type. Development. 2001;128:1313-22 pubmed
    Previous analysis of mutant mice has revealed that the bHLH genes Mash1 and Math3, and the homeobox gene Chx10 are essential for generation of bipolar cells, the interneurons present in the inner nuclear layer of the retina...
  81. Hufnagel R, Le T, Riesenberg A, Brown N. Neurog2 controls the leading edge of neurogenesis in the mammalian retina. Dev Biol. 2010;340:490-503 pubmed publisher
    ..We find that the re-establishment of neurogenesis coincides with the onset of Ascl1 expression, and that Ascl1 can rescue the early arrest of neural development in the absence of Neurog2...
  82. Tsarovina K, Reiff T, Stubbusch J, Kurek D, Grosveld F, Parlato R, et al. The Gata3 transcription factor is required for the survival of embryonic and adult sympathetic neurons. J Neurosci. 2010;30:10833-43 pubmed publisher
    ..These results demonstrate that Gata3 is continuously required for maintaining survival but not differentiation in the sympathetic neuron lineage up to mature neurons of adult animals. ..
  83. Kim E, Leung C, Reed R, Johnson J. In vivo analysis of Ascl1 defined progenitors reveals distinct developmental dynamics during adult neurogenesis and gliogenesis. J Neurosci. 2007;27:12764-74 pubmed
    ..We show that Ascl1, a bHLH (basic helix-loop-helix) transcription factor, transiently labels neuronal and oligodendrocyte precursors ..
  84. Sieber M, Storm R, Martinez de la Torre M, Muller T, Wende H, Reuter K, et al. Lbx1 acts as a selector gene in the fate determination of somatosensory and viscerosensory relay neurons in the hindbrain. J Neurosci. 2007;27:4902-9 pubmed
    ..In Lbx1 mutant mice, viscerosensory relay neurons are specified at the expense of somatosensory relay neurons. Thus Lbx1 expression distinguishes between the somatosensory or viscerosensory fate of relay neurons. ..
  85. Lavado A, Lagutin O, Chow L, Baker S, Oliver G. Prox1 is required for granule cell maturation and intermediate progenitor maintenance during brain neurogenesis. PLoS Biol. 2010;8: pubmed publisher
    ..Finally, we show that the ectopic expression of Prox1 induces premature differentiation of neural stem cells. ..
  86. Castro D, Martynoga B, Parras C, Ramesh V, Pacary E, Johnston C, et al. A novel function of the proneural factor Ascl1 in progenitor proliferation identified by genome-wide characterization of its targets. Genes Dev. 2011;25:930-45 pubmed publisher
    Proneural genes such as Ascl1 are known to promote cell cycle exit and neuronal differentiation when expressed in neural progenitor cells...
  87. Jacob J, Storm R, Castro D, Milton C, Pla P, Guillemot F, et al. Insm1 (IA-1) is an essential component of the regulatory network that specifies monoaminergic neuronal phenotypes in the vertebrate hindbrain. Development. 2009;136:2477-85 pubmed publisher they exit the cell cycle, in a pattern that partially overlaps with the expression of the proneural factor Ascl1. Consistent with this, a conserved cis-regulatory sequence associated with Insm1 is bound by Ascl1 in the ..
  88. Muller T, Brohmann H, Pierani A, Heppenstall P, Lewin G, Jessell T, et al. The homeodomain factor lbx1 distinguishes two major programs of neuronal differentiation in the dorsal spinal cord. Neuron. 2002;34:551-62 pubmed
    ..We conclude that Lbx1 distinguishes two major neuronal classes in the dorsal spinal cord and is an important determinant of their distinct differentiation programs. ..
  89. Kameda Y, Nishimaki T, Miura M, Jiang S, Guillemot F. Mash1 regulates the development of C cells in mouse thyroid glands. Dev Dyn. 2007;236:262-70 pubmed
    ..The basic helix-loop-helix (bHLH) transcription factor Mash1 plays a role in the differentiation of autonomic neurons...