Affinage

GSX2

GS homeobox 2 · UniProt Q9BZM3

Length
304 aa
Mass
32.0 kDa
Annotated
2026-06-10
47 papers in source corpus 26 papers cited in narrative 26 extracted findings
Cross-family judge vs UniProt: Affinage preferred faithfulness: 7/7 claims corpus-supported (100%)

Mechanistic narrative

Synthesis pass · prose summary of the discoveries below

GSX2 (Gsh2) is a sequence-specific homeodomain transcription factor that governs dorsoventral patterning and cell-fate decisions in the developing ventral telencephalon and broader CNS (PMID:7619729, PMID:9398437). It maintains the molecular identity of lateral ganglionic eminence (LGE) progenitors through mutual cross-repression with the dorsal determinant Pax6 at the pallial/subpallial boundary, where loss of Gsx2 respecifies the dorsal LGE toward a ventral pallium-like fate and derepresses Pax6, Neurogenin1/2 (PMID:11003836, PMID:11124115). As a downstream effector of Sonic hedgehog signaling, Gsx2 acts partly redundantly with Gsh1 to set the size of striatal precursor pools (PMID:11060228, PMID:11731457), and it drives a striatal differentiation program in part by inducing the retinoic acid synthesis enzyme Raldh3/Aldh1a3, with retinoid supplementation rescuing DARPP-32 neuron deficits in mutants (PMID:15269172). Gsx2 controls distinct fates in a temporally and dose-dependent manner: early activity specifies striatal projection neurons while delayed activity promotes olfactory bulb interneuron identity (PMID:19709628), and downregulation of Gsx2 is required to license the neurogenesis-to-oligodendrogenesis transition, with its loss producing excess OPCs both in the telencephalon and spinal cord (PMID:23637331, PMID:41491310). Mechanistically, Gsx2 acts as a transcriptional repressor at monomeric sites but as an activator when it forms cooperative homodimers on precisely spaced bipartite DNA elements, an interaction that bends DNA ~20° and requires a defined protein–protein interface revealed by crystallography (PMID:33334823, PMID:38874471, PMID:41512913). In parallel, Gsx2 physically binds the bHLH domain of the proneural factor Ascl1 to block its DNA binding and inhibit neurogenesis independently of Gsx2's own DNA-binding activity, thereby balancing progenitor maintenance against differentiation (PMID:32122989). Recessive loss-of-function variants in human GSX2 cause basal ganglia agenesis, and a homeodomain missense variant modeled in mice produces a hypomorphic DNA-binding defect with selective, threshold-dependent loss of neuronal subtypes (PMID:31412107, PMID:39882631).

Mechanistic history

Synthesis pass · year-by-year structured walk · 21 steps
  1. 1995 Medium

    Established the biochemical identity of Gsh-2 as a sequence-specific DNA-binding factor by defining its preferred target motif, the prerequisite for interpreting all subsequent genetic phenotypes as transcriptional.

    Evidence Random oligonucleotide selection/PCR (SELEX-type) defining the CNAATTAG binding sequence for the Antennapedia-type homeodomain

    PMID:7619729

    Open questions at the time
    • In vitro binding only; no cellular target genes identified
    • Did not address monomer versus dimer binding modes
  2. 1997 High

    Demonstrated an in vivo developmental requirement by showing that Gsh-2 loss disrupts forebrain and hindbrain structures and abolishes Dlx2 in the LGE, moving the gene from a biochemical entity to a patterning regulator.

    Evidence Targeted gene knockout in mouse with in situ hybridization and immunohistochemistry

    PMID:9398437

    Open questions at the time
    • Direct versus indirect regulation of Dlx2 not resolved
    • Molecular partners not identified
  3. 2000 High

    Defined the core patterning logic of the ventral telencephalon by showing Gsx2 and Pax6 occupy opposing, mutually repressive transcriptional programs and that Gsx2 is a Shh target, situating it within a signaling-to-fate axis.

    Evidence Single and double (Pax6;Gsh2) loss-of-function mouse mutants and genetic epistasis; Shh pathway placement

    PMID:11003836 PMID:11060228

    Open questions at the time
    • Whether cross-repression is direct at the DNA level not shown
    • Mechanism of Shh-to-Gsx2 induction unresolved
  4. 2001 High

    Refined the cross-repression model to the pallial/subpallial boundary and revealed genetic redundancy, showing Gsh1 compensates for Gsh2 loss and that both genes jointly set LGE precursor pool size.

    Evidence Gsh2 and Pax6 single mutants and Gsh1/2 single/double knockouts with in situ hybridization

    PMID:11124115 PMID:11731457

    Open questions at the time
    • Degree of biochemical equivalence between Gsh1 and Gsh2 unknown
    • Direct targets at the boundary not defined
  5. 2003 Medium

    Distinguished Gsx2's combinatorial logic from simple cross-repression, showing cooperative action with Nkx2.1 in patterning but negative regulation of Nkx2.1-dependent oligodendrocyte specification.

    Evidence Double-mutant loss- and gain-of-function mouse analysis with in situ hybridization

    PMID:12930780

    Open questions at the time
    • Molecular basis of OPC suppression not defined
    • Single lab
  6. 2004 High

    Connected Gsx2 to a specific differentiation effector pathway by showing it is required for Raldh3-driven retinoid production, with RA rescue of striatal neuron deficits establishing a causal output.

    Evidence Mouse knockout, retinoid reporter cell assay, and in vivo retinoic acid rescue

    PMID:15269172

    Open questions at the time
    • Whether Gsx2 directly binds the Raldh3 locus not shown
    • Other RA-dependent targets not enumerated
  7. 2005 High

    Generalized Gsx2 fate logic beyond the telencephalon to the dorsal spinal cord, defining a repress-Ngn1/promote-Mash1 mechanism for dI3 interneuron specification.

    Evidence Mouse knockout, neural tube gain-of-function, and epistasis with Mash1 mutants

    PMID:15930101

    Open questions at the time
    • Direct versus indirect Ngn1 repression not resolved in this context
  8. 2009 High

    Revealed that the same factor produces different fates depending on timing, with early Gsx2 specifying striatal projection neurons and delayed activity producing olfactory bulb interneurons.

    Evidence Temporally regulated transgenic gain-of-function and tamoxifen-inducible conditional loss-of-function in mouse

    PMID:19709628

    Open questions at the time
    • Molecular basis of temporal competence change not defined
  9. 2010 Medium

    Identified a direct transcriptional target (Dbx1) and showed the Gsx/Dbx/Nkx cross-repressive network is rewired across species, indicating the network architecture is not strictly conserved.

    Evidence Gain/loss-of-function in Xenopus with reporter assays and in situ hybridization

    PMID:20610487

    Open questions at the time
    • Direct binding shown in reporter context only
    • Single lab, single non-mammalian system
  10. 2012 Medium

    Placed Gsx2 upstream of Helios in an Ascl1-independent striatal lineage, beginning to dissect parallel branches of the LGE progenitor program.

    Evidence Immunofluorescence and epistasis across Gsx2, Dlx1/2, and Ascl1 mutant mice

    PMID:22142223

    Open questions at the time
    • Direct regulation of Helios not demonstrated
    • Single lab
  11. 2013 High

    Extended Gsx2 function to adult and injury-induced neurogenesis and clarified its role at the neurogenesis-to-oligodendrogenesis switch, embedding it in Dlx1/2 and Ascl1/Notch circuitry.

    Evidence Conditional KO, GOF, lineage tracing, injury models, and compound Dlx1/2;Gsx2 and Gsx1 epistasis in mouse

    PMID:23042297 PMID:23637331 PMID:23723414

    Open questions at the time
    • Direct targets controlling OPC suppression not identified
    • Mechanism of injury-induced ectopic induction unknown
  12. 2018 High

    Identified upstream direct regulators of the Gsx2 locus, showing DMRT3, DMRT5, and EMX2 bind a ventral-telencephalon enhancer to confine Gsx2 expression to the subpallium.

    Evidence Single/double mouse knockouts, GOF electroporation, and ChIP/binding assays on the Gsx2 enhancer

    PMID:30143575

    Open questions at the time
    • Cofactor requirements for enhancer repression not detailed
  13. 2019 Medium

    Established human disease causation, showing recessive truncating and homeodomain missense GSX2 variants cause basal ganglia agenesis with measurable effects on protein stability, DNA interaction, and nuclear localization.

    Evidence Whole-exome sequencing, western blot, nuclear localization assay, molecular dynamics, and patient fibroblast transcriptomics

    PMID:31412107

    Open questions at the time
    • DNA-binding defect of missense allele inferred computationally
    • Patient cohort limited
  14. 2020 High

    Resolved the dual regulatory logic of Gsx2 mechanistically, showing monomer binding represses while cooperative homodimers on spaced bipartite sites activate, with binding-site configuration and protein level dictating outcome.

    Evidence ChIP-seq, luciferase and in vivo Drosophila reporter assays, and biochemical DNA-binding assays

    PMID:33334823

    Open questions at the time
    • Cofactors discriminating activation versus repression in vivo not identified
  15. 2020 High

    Uncovered a DNA-binding-independent mechanism, demonstrating Gsx2 physically sequesters the Ascl1 bHLH domain to block its DNA binding and inhibit neurogenesis, with spatially distinct Ascl1 partner usage between VZ and SVZ.

    Evidence Co-immunoprecipitation, DNA-binding interference, in situ proximity ligation, and reporter/misexpression assays

    PMID:32122989

    Open questions at the time
    • Stoichiometry and structural basis of the Gsx2-Ascl1 interface not defined
    • Reciprocal effect on Gsx2 transcriptional activity not quantified
  16. 2020 Medium

    Confirmed conserved patterning and identity functions in zebrafish for forebrain Dlx genes and for inferior olivary neurons, with RA promoting and FGF restraining gsx2 expression.

    Evidence TALEN and mutant zebrafish analysis with in situ hybridization and pharmacological RA/FGF manipulation

    PMID:32928905 PMID:36184733

    Open questions at the time
    • Direct targets in zebrafish not defined
    • Single lab per study
  17. 2024 High

    Provided the structural basis for cooperative function, showing Gsx2 is monomeric in solution, requires DNA for homodimer assembly through a defined interface, and bends DNA ~20°.

    Evidence X-ray crystallography of homeodomain/DNA, interface mutagenesis, and ITC/SPR biophysics

    PMID:38874471

    Open questions at the time
    • Full-length protein and cofactor complexes not crystallized
    • Link between bend and transcriptional output not directly tested
  18. 2025 High

    Linked DNA-binding activity to subtype-specific thresholds in vivo, showing a knock-in modeling the human missense variant causes hypomorphic basal ganglia dysgenesis with selective sparing of certain neuron groups.

    Evidence Knock-in mouse model with biochemical DNA-binding assays and histological comparison to null mice

    PMID:39882631

    Open questions at the time
    • Locus-specific target sensitivities underlying threshold differences not mapped
  19. 2025 Medium

    Implicated Gsx2 silencing as a required mediator of IDH-mutant glioma initiation, showing promoter hypermethylation reprograms NPCs from interneuron to OPC fate and Gsx2 ablation recapitulates this switch.

    Evidence Genetically engineered mouse models, time-resolved single-cell genomics, conditional ablation, and epigenomics (preprint)

    PMID:40832272

    Open questions at the time
    • Preprint not yet peer-reviewed
    • Direct Gsx2 targets controlling the oncogenic fate switch not defined
  20. 2026 High

    Characterized GSX2 chromatin behavior in a human progenitor system, showing it binds both accessible and inaccessible chromatin, acts mainly as a repressor, and alters accessibility largely indirectly.

    Evidence Dox-inducible hESC-derived LGE-like progenitors with RNA-seq, ATAC-seq, and ChIP-seq

    PMID:41512913

    Open questions at the time
    • Mechanism of indirect chromatin remodeling unresolved
    • Cofactors mediating repression not identified
  21. 2026 Medium

    Confirmed a conserved gliogenic timing role, showing Gsx2 in zebrafish pMN pre-OPC progenitors restrains premature OPC specification without altering differentiation.

    Evidence CRISPR/Cas9 zebrafish knockout with single-cell RNA-seq and single-nuclei ATAC-seq

    PMID:41491310

    Open questions at the time
    • Direct targets controlling OPC timing not validated
    • Single lab

Open questions

Synthesis pass · forward-looking unresolved questions
  • It remains unresolved which cofactors and locus-specific features switch Gsx2 between monomeric repression and dimeric activation in vivo, and how these determine subtype-specific thresholds and the oncogenic fate switch.
  • No identified cofactor that selects activator versus repressor mode in vivo
  • Genome-wide direct activated versus repressed target sets not fully separated
  • Mechanism of indirect chromatin accessibility changes unknown

Mechanism profile

Synthesis pass · controlled-vocabulary classification · explore literature graph →
Molecular activity
GO:0003677 DNA binding 4 GO:0140110 transcription regulator activity 4 GO:0098772 molecular function regulator activity 1
Localization
GO:0005634 nucleus 1
Pathway
R-HSA-1266738 Developmental Biology 4 R-HSA-112316 Neuronal System 2 R-HSA-74160 Gene expression (Transcription) 2
Partners
ASCL1DLX1DLX2GSH1NKX2.1PAX6

Evidence

Reading pass · 26 per-paper findings extracted from the source corpus
Year Finding Method Journal Conf PMIDs
1995 Gsh-2 encodes a homeodomain protein with an Antennapedia-type homeodomain; a random oligonucleotide selection/PCR amplification procedure defined the target DNA binding sequence as CNAATTAG, establishing its biochemical activity as a sequence-specific DNA-binding transcription factor. Random oligonucleotide selection and PCR amplification (SELEX-type assay) Mechanisms of development Medium 7619729
1997 Targeted loss-of-function mutation of Gsh-2 in mice results in a reduced lateral ganglionic eminence, absence of the area postrema, malformed nucleus tractus solitarius, and loss of Dlx2 expression in the LGE, demonstrating that Gsh-2 is required for proper patterning of forebrain and hindbrain structures. Targeted gene knockout in mouse; in situ hybridization; immunohistochemistry Developmental biology High 9398437
2000 Gsh2 is required to maintain the molecular identity of early striatal progenitors; in Gsh2 loss-of-function mutants, ventral telencephalic regulators Mash1 and Dlx are lost and dorsal regulators Pax6, Neurogenin1, and Neurogenin2 are ectopically expressed in the striatal germinal zone. Genetic epistasis using Pax6;Gsh2 double mutants demonstrated that Pax6 and Gsh2 govern opposing transcriptional programs and mutually repress each other's expression. Single and double loss-of-function mouse mutants; in situ hybridization; genetic epistasis Development (Cambridge, England) High 11003836
2000 Gsh2 is a downstream transcriptional target of Sonic hedgehog signaling in the ventral telencephalon, and its loss results in expansion of dorsal telencephalic markers into the LGE and defects in distinct striatal neuron subpopulations and delay in GABAergic interneuron appearance in the olfactory bulb. Mouse knockout analysis; in situ hybridization; genetic epistasis Development (Cambridge, England) Medium 11060228
2001 In Gsh2 mutants, the dorsal LGE is respecified into a ventral pallium-like structure, while in Pax6 mutants the ventral pallium is respecified into a dLGE-like structure; the early overlapping expression of Pax6 and Gsh2 at the PSB and their complementary loss-of-function phenotypes establish cross-repressive patterning roles at the pallial/subpallial boundary. Analysis of Gsh2 and Pax6 single loss-of-function mouse mutants; in situ hybridization Development (Cambridge, England) High 11124115
2001 Gsh1 compensates for loss of Gsh2 in LGE progenitors; Gsh1 expression expands in Gsh2 null LGE, and Gsh1/2 double mutants show more severe LGE molecular identity disruptions than Gsh2 single mutants. Both Gsh genes together control the size of LGE precursor pools, particularly the subventricular zone population. Single and double homozygous knockout mouse mutants; in situ hybridization Development (Cambridge, England) High 11731457
2003 Gsh2 and Nkx2.1 act cooperatively (not cross-repressively) to pattern the ventral telencephalon, as shown by double-mutant analysis. However, Gsh2 expressed in the medial ganglionic eminence after E10.5 negatively regulates Nkx2.1-dependent oligodendrocyte specification, based on loss- and gain-of-function analysis. Double-mutant mouse analysis (loss-of-function and gain-of-function); in situ hybridization Development (Cambridge, England) Medium 12930780
2004 Gsh2 is required for expression of the retinoic acid synthesis enzyme Raldh3 (Aldh1a3) in the LGE; Gsh2 mutants show markedly reduced retinoid production (measured by retinoid reporter cell assay), and this reduced retinoid production contributes to striatal differentiation defects including fewer DARPP-32 neurons. Exogenous retinoic acid supplementation during neurogenesis significantly increases DARPP-32 expression in Gsh2 mutants. Mouse knockout; retinoid reporter cell assay; in situ hybridization; retinoic acid rescue experiment in vivo Development (Cambridge, England) High 15269172
2005 In the dorsal spinal cord, Gsh2 is expressed in dI3, dI4, and dI5 progenitors; Gsh2 loss-of-function leads to selective loss of dI3 interneurons with expansion of the dI2 domain and downregulation of Mash1. Overexpression of Gsh2 and Mash1 together ectopically produces dI3 neurons and represses Ngn1, establishing that Gsh2 promotes dI3 fate by repressing Ngn1 and promoting Mash1 expression. Mouse knockout; in situ hybridization; gain-of-function overexpression in neural tube; genetic epistasis with Mash1 mutants Development (Cambridge, England) High 15930101
2009 Gsx2 specifies striatal projection neuron identity when expressed at early stages of telencephalic neurogenesis, whereas delayed activation exclusively promotes olfactory bulb interneuron identity; conditional temporal inactivation of Gsx2 causes defects restricted to olfactory bulb interneurons without affecting striatal neurogenesis, demonstrating distinct temporal requirements for these two cell fate decisions. Temporally regulated transgenic gain-of-function; conditional loss-of-function (tamoxifen-inducible Cre); mouse knockout; histological analysis Neuron High 19709628
2010 In Xenopus, Gsh2 mediates transcriptional repression of Dbx1 (identified as a direct target), and cross-repressive interactions between Gsx, Dbx, and Nkx transcription factors pattern the medial CNS at open neural plate stages; the unidirectional interaction hierarchy seen in Drosophila is not conserved in Xenopus. Gain- and loss-of-function manipulation in Xenopus; reporter assays; in situ hybridization Development (Cambridge, England) Medium 20610487
2012 Gsx2 is required for expression of the Helios transcription factor in striatal matrix neurons of the LGE; Helios expression is absent in Gsx2 null mutants but maintained in Ascl1 mutants, placing Gsx2 (together with Dlx1/2) upstream of Helios in an Ascl1-independent striatal progenitor lineage. Immunofluorescence; mouse knockout analysis (Gsx2 null, Dlx1/2 null, Ascl1 null); in situ hybridization Stem cells and development Medium 22142223
2013 Gsx2 controls region-specific activation of neural stem cells (NSCs) in the adult subventricular zone (SVZ); it is expressed in a regionally restricted NSC subset, promotes NSC activation and lineage progression to produce selective olfactory bulb neuron subtypes, and is ectopically induced after brain injury to mediate injury-induced neurogenesis. Mouse conditional knockout; immunohistochemistry; BrdU labeling; injury model; lineage tracing Genes & development High 23723414
2013 Gsx2 suppresses oligodendrocyte precursor cell (OPC) specification in dLGE progenitors; its conditional loss increases OPCs with a concomitant decrease in neurogenesis in the LGE SVZ (E12.5–15.5), and Ascl1 is required for the expansion of these dLGE-derived OPCs in the cortex of Gsx2 mutants. Gain-of-function at late embryonic stages decreases cortical OPCs, confirming that Gsx2 downregulation is required for the neurogenesis-to-oligodendrogenesis transition. Conditional gain-of-function and loss-of-function transgenic mouse; Olig2-Cre conditional inactivation; cell counting; in situ hybridization Development (Cambridge, England) High 23637331
2013 Gsx2 loss-of-function rescues overexpression of Ascl1, Hes5, and Olig2 in Dlx1/2 mutants; double Dlx1/2;Gsx2 mutants exacerbate LGE/CGE/septum patterning defects including loss of GAD1 expression; Gsx1 loss from Dlx1/2 mutants partially rescues MGE interneuron migration. These epistasis results place Gsx2 downstream of Dlx1/2 in controlling Ascl1/Notch signaling in the LGE. Compound loss-of-function mouse mutants; in situ hybridization; immunohistochemistry; genetic epistasis The Journal of comparative neurology High 23042297
2018 DMRT3, DMRT5, and EMX2 cooperatively repress Gsx2 at the pallium-subpallium boundary; all three transcription factors directly bind a ventral telencephalon-specific enhancer in the Gsx2 locus (shown by ChIP/binding assays), and loss of Dmrt3;Dmrt5 upregulates Gsx2 in dorsal telencephalon while ectopic Dmrt5 downregulates it ventrally. Single and double knockout mouse mutants; gain-of-function electroporation; ChIP/transcription factor binding assay on Gsx2 enhancer; in situ hybridization The Journal of neuroscience High 30143575
2019 Recessive loss-of-function variants in human GSX2 (a truncating p.S9* variant causing complete loss of protein, and a missense p.Q251R variant in the homeodomain) cause basal ganglia agenesis. The Q251R missense variant results in reduced protein expression, impaired homeodomain structural stability, weaker DNA interaction (molecular dynamics), reduced nuclear localization in transfected cells, and altered transcriptional self-regulation with downstream changes in ASCL1 and PAX6 expression in patients' fibroblasts. Whole-exome sequencing; western blot; transfection/nuclear localization assay; molecular dynamics simulation; fibroblast expression studies; whole transcriptome analysis Brain : a journal of neurology Medium 31412107
2020 Gsx2 gains DNA-binding specificity by forming cooperative homodimers on precisely spaced and oriented bipartite DNA sites; high-resolution genomic binding (ChIP) shows Gsx2 occupies both monomer and homodimer sites in the developing mouse ventral telencephalon. Reporter assays demonstrate that monomer Gsx2 binding represses transcription whereas homodimer binding stimulates gene expression, defining an opposing regulatory outcome dependent on binding site configuration and protein level. High-resolution genomic binding (ChIP-seq); luciferase reporter assays; in vivo Drosophila reporter assays; biochemical DNA-binding assays Genes & development High 33334823
2020 Gsx2 physically interacts with the bHLH domain of Ascl1, interfering with Ascl1's ability to bind DNA; co-expression of Gsx2 with Ascl1 inhibits neurogenesis in a dose-dependent and Gsx2 DNA-binding-independent manner. Proximity ligation assay in tissue sections demonstrated that Ascl1-Gsx2 interactions are enriched in LGE ventricular zone progenitors, while Ascl1-Tcf3 interactions predominate in the SVZ. Co-immunoprecipitation; luciferase reporter assays; DNA-binding assays; proximity ligation assay in tissue sections; misexpression in dorsal telencephalic progenitors Development (Cambridge, England) High 32122989
2020 Gsx2 is required for normal forebrain patterning and long-term survival in zebrafish; gsx2 null mutants show significantly reduced expression of distal-less homeobox forebrain patterning genes and fail swim bladder inflation, preventing survival to adulthood. TALEN-mediated zebrafish knockout; in situ hybridization; survival analysis Developmental dynamics Medium 36184733
2020 In zebrafish, gsx2 is required for specification of inferior olivary nucleus (IO) neurons from ptf1a-expressing neural progenitors; gsx2 mutants show strong reduction/loss of IO neurons. Retinoic acid signals positively regulate gsx2 expression and IO neuron development, while Fgf3 and Fgf8a negatively regulate gsx2 expression, placing gsx2 as a mediator of positional signals for IO identity. Zebrafish mutant analysis; in situ hybridization; pharmacological manipulation of RA and FGF signaling Development (Cambridge, England) Medium 32928905
2024 Crystal structure of Gsx2 homeodomain bound to DNA revealed that Gsx2 is a monomer in solution and requires DNA for cooperative complex formation; Gsx2 induces a 20° bend in DNA upon binding; a specific protein-protein interface was identified that is required for cooperative homodimerization on DNA; flexible spacer sequences enhance cooperativity on dimer sites. Thermodynamic binding parameters for Gsx2/DNA interactions were defined. X-ray crystallography (high-resolution monomer/DNA structure); biochemical binding assays; biophysical characterization (ITC/SPR); mutagenesis of protein-protein interface Nucleic acids research High 38874471
2025 The Gsx2Q252R variant (modeling human GSX2Q251R) selectively alters DNA binding; mice carrying this allele exhibit basal ganglia dysgenesis (hypomorphic relative to null), survive to birth with relative sparing of glutamatergic nTS neurons and catecholaminergic A1/C1 and A2/C2 groups, demonstrating that distinct thresholds of Gsx2 DNA-binding activity are required for different neuronal subtypes. Knock-in mouse model; biochemical DNA-binding assays; histological and immunofluorescence analysis; comparison to Gsx2 null mice Disease models & mechanisms High 39882631
2025 Mutant IDH promotes promoter hypermethylation and silencing of Gsx2 in neural progenitor cells, mediating lineage switching from interneuron to oligodendrocyte precursor cell fate; Gsx2 ablation alone recapitulates this NPC fate reprogramming, demonstrating Gsx2 as a required mediator of IDH-mutant glioma initiation. Genetically engineered mouse models; time-resolved single-cell genomics; Gsx2 conditional ablation; epigenomic analysis bioRxivpreprint Medium 40832272
2026 In human LGE-like progenitors derived from hESCs with inducible GSX2 expression, transcriptomic/chromatin accessibility/genomic binding studies showed that GSX2 binds both high- and low-accessibility chromatin with varying site preferences, alters chromatin accessibility largely through indirect mechanisms, functions primarily as a transcriptional repressor, and regulates conserved target genes affecting neuronal progenitor maturation and regional specification. Dox-inducible hESC system; RNA-seq; ATAC-seq; ChIP-seq/genomic binding assays Developmental biology High 41512913
2026 In zebrafish spinal cord, Gsx2 is expressed in pre-OPC progenitors and restrains the timing of OPC specification; gsx2 CRISPR loss-of-function mutants initiate OPC formation prematurely and produce excess OPCs without altering oligodendrocyte differentiation, indicating Gsx2 suppresses premature OPC specification in the spinal cord pMN domain. CRISPR/Cas9 knockout zebrafish; single-cell RNA-seq; single-nuclei ATAC-seq; cell counting Developmental biology Medium 41491310

Source papers

Stage 0 corpus · 47 papers · ranked by NIH iCite citations
Year Title Journal Citations PMID
2001 Gsh2 and Pax6 play complementary roles in dorsoventral patterning of the mammalian telencephalon. Development (Cambridge, England) 389 11124115
2000 Genetic control of dorsal-ventral identity in the telencephalon: opposing roles for Pax6 and Gsh2. Development (Cambridge, England) 336 11003836
2000 The Gsh2 homeodomain gene controls multiple aspects of telencephalic development. Development (Cambridge, England) 195 11060228
2005 Differential targeting of GSH1 and GSH2 is achieved by multiple transcription initiation: implications for the compartmentation of glutathione biosynthesis in the Brassicaceae. The Plant journal : for cell and molecular biology 177 15610346
2001 A role for Gsh1 in the developing striatum and olfactory bulb of Gsh2 mutant mice. Development (Cambridge, England) 141 11731457
2009 Distinct temporal requirements for the homeobox gene Gsx2 in specifying striatal and olfactory bulb neuronal fates. Neuron 113 19709628
2003 Combinatorial function of the homeodomain proteins Nkx2.1 and Gsh2 in ventral telencephalic patterning. Development (Cambridge, England) 100 12930780
1997 Altered forebrain and hindbrain development in mice mutant for the Gsh-2 homeobox gene. Developmental biology 90 9398437
1995 Gsh-2, a murine homeobox gene expressed in the developing brain. Mechanisms of development 77 7619729
2013 Gsx2 controls region-specific activation of neural stem cells and injury-induced neurogenesis in the adult subventricular zone. Genes & development 76 23723414
2013 Loss of Gsx1 and Gsx2 function rescues distinct phenotypes in Dlx1/2 mutants. The Journal of comparative neurology 65 23042297
2008 Differential regulation of telencephalic pallial-subpallial boundary patterning by Pax6 and Gsh2. Cerebral cortex (New York, N.Y. : 1991) 60 18701439
2013 The homeobox gene Gsx2 controls the timing of oligodendroglial fate specification in mouse lateral ganglionic eminence progenitors. Development (Cambridge, England) 49 23637331
1998 Molecular identification of glutathione synthetase (GSH2) gene from Saccharomyces cerevisiae. Biochimica et biophysica acta 43 9512666
2005 Gsh2 is required for the repression of Ngn1 and specification of dorsal interneuron fate in the spinal cord. Development (Cambridge, England) 42 15930101
2004 The homeobox gene Gsh2 is required for retinoid production in the embryonic mouse telencephalon. Development (Cambridge, England) 38 15269172
2017 Differentiation of human telencephalic progenitor cells into MSNs by inducible expression of Gsx2 and Ebf1. Proceedings of the National Academy of Sciences of the United States of America 32 28137879
2018 DMRT5, DMRT3, and EMX2 Cooperatively Repress Gsx2 at the Pallium-Subpallium Boundary to Maintain Cortical Identity in Dorsal Telencephalic Progenitors. The Journal of neuroscience : the official journal of the Society for Neuroscience 30 30143575
2012 Helios transcription factor expression depends on Gsx2 and Dlx1&2 function in developing striatal matrix neurons. Stem cells and development 26 22142223
2020 Conserved Gsx2/Ind homeodomain monomer versus homodimer DNA binding defines regulatory outcomes in flies and mice. Genes & development 25 33334823
2020 Physical interactions between Gsx2 and Ascl1 balance progenitor expansion versus neurogenesis in the mouse lateral ganglionic eminence. Development (Cambridge, England) 23 32122989
2020 Transcription factor Hap5 induces gsh2 expression to enhance 2-phenylethanol tolerance and production in an industrial yeast Candida glycerinogenes. Applied microbiology and biotechnology 23 32162090
2010 Conserved and novel roles for the Gsh2 transcription factor in primary neurogenesis. Development (Cambridge, England) 23 20610487
2017 Septal contributions to olfactory bulb interneuron diversity in the embryonic mouse telencephalon: role of the homeobox gene Gsx2. Neural development 21 28814342
2009 Cloning and expression analysis of the anterior parahox genes, Gsh1 and Gsh2 from Xenopus tropicalis. Developmental dynamics : an official publication of the American Association of Anatomists 20 19097192
2012 The homeobox gene Gsx2 regulates the self-renewal and differentiation of neural stem cells and the cell fate of postnatal progenitors. PloS one 19 22242181
2002 Expression of Ngn1, Ngn2, Cash1, Gsh2 and Sfrp1 in the developing chick telencephalon. Mechanisms of development 18 11744393
2004 Striatal neuron differentiation from neurosphere-expanded progenitors depends on Gsh2 expression. The Journal of neuroscience : the official journal of the Society for Neuroscience 13 15295031
2019 Agenesis of the putamen and globus pallidus caused by recessive mutations in the homeobox gene GSX2. Brain : a journal of neurology 12 31412107
2016 Characterization of a new Gsx2-cre line in the developing mouse telencephalon. Genesis (New York, N.Y. : 2000) 12 27618396
2020 Gsx2 is required for specification of neurons in the inferior olivary nuclei from Ptf1a-expressing neural progenitors in zebrafish. Development (Cambridge, England) 11 32928905
2002 GSH2, a gene encoding gamma-glutamylcysteine synthetase in the methylotrophic yeast Hansenula polymorpha. FEMS yeast research 11 12702282
2021 Transcription Factor VAX1 Regulates the Regional Specification of the Subpallium Through Repressing Gsx2. Molecular neurobiology 9 33821423
2017 Effects of GSH1 and GSH2 Gene Mutation on Glutathione Synthetases Activity of Saccharomyces cerevisiae. The protein journal 7 28669025
2015 GSH2 promoter methylation in pancreatic cancer analyzed by quantitative methylation-specific polymerase chain reaction. Oncology letters 6 26171036
2024 Cooperative Gsx2-DNA binding requires DNA bending and a novel Gsx2 homeodomain interface. Nucleic acids research 5 38874471
2012 Preparation of a γ-glutamylcysteine-enriched yeast extract from a newly developed GSH2-deficient strain. Journal of bioscience and bioengineering 3 22986308
2025 Mutant IDH silences GSX2 to reprogram neural progenitor cell fate and promote gliomagenesis. bioRxiv : the preprint server for biology 2 40832272
2022 Gsx2, but not Gsx1, is necessary for early forebrain patterning and long-term survival in zebrafish. Developmental dynamics : an official publication of the American Association of Anatomists 2 36184733
2002 [Cloning of the GSH1 and GSH2 genes complementing the defective biosynthesis of glutathione in the methylotrophic yeast Hansenula polymorpha]. Mikrobiologiia 2 12526206
2025 Modelling a pathological GSX2 variant that selectively alters DNA binding reveals hypomorphic mouse brain defects. Disease models & mechanisms 1 39882631
2023 Cooperative Gsx2-DNA Binding Requires DNA Bending and a Novel Gsx2 Homeodomain Interface. bioRxiv : the preprint server for biology 1 38106145
2020 A CRISPR-strategy for the generation of a detectable fluorescent hESC reporter line (WAe009-A-37) for the subpallial determinant GSX2. Stem cell research 1 33039807
2014 [Transcriptional regulation of the Hansenula polymorpha GSH2 gene in response to cadmium ion treatment]. Ukrainian biochemical journal 1 24834720
2026 Gsx2 regulates oligodendrocyte precursor formation in the zebrafish spinal cord. Developmental biology 0 41491310
2026 An inducible system to study the regulatory functions of GSX2 in human lateral ganglionic eminence-like progenitors. Developmental biology 0 41512913
2025 Gsx2 Regulates Oligodendrocyte Precursor Formation in the Zebrafish Spinal Cord. bioRxiv : the preprint server for biology 0 41279990

Missed literature

Know a paper Affinage missed for GSX2? Flag it for the maintainers and the community.

No submissions yet.