Transcription Factor Cascade for MGE-Derived PV Interneuron Specification

{
  "papers": [
    {
      "n": 0,
      "doi": "10.1242/dev.015123",
      "value": "NKX2.1 binds conserved sequence in Lhx6 promoter for direct activation",
      "method": "promoter binding assay, transplantation fate analysis",
      "metric": "NKX2.1 → Lhx6 direct activation",
      "n_analyzed": null,
      "ci_or_error": null,
      "text_access": "abstract_only",
      "n_definition": "experiments",
      "scope_region": "MGE/cortex",
      "study_system": "mouse, Nkx2.1-/-, slice culture transplant",
      "taxonomic_level": "MGE-derived interneurons",
      "scope_population": "MGE progenitors",
      "value_source_sentence": "NKX2.1 protein binds a highly conserved sequence in the Lhx6 promoter, and this sequence appears to mediate the direct activation of Lhx6 by NKX2.1.",
      "experimental_conditions": "electroporation of Nkx2.1 cDNA"
    },
    {
      "n": 0,
      "doi": "10.1016/j.neuron.2014.02.030",
      "value": "Lhx6 directly binds Arx enhancer and CXCR7 intronic enhancer",
      "method": "ChIP, in vivo binding, fate analysis",
      "metric": "Lhx6 → Arx/CXCR7 regulation",
      "n_analyzed": null,
      "ci_or_error": null,
      "text_access": "fulltext",
      "n_definition": "experiments",
      "scope_region": "MGE/cortex",
      "study_system": "mouse, Lhx6-/-, MGE transplantation",
      "taxonomic_level": "MGE-derived interneurons",
      "scope_population": "MGE-derived interneurons",
      "value_source_sentence": "Lhx6 directly binds in vivo to an Arx enhancer and to an intronic CXCR7 enhancer that remains active in mature interneurons.",
      "experimental_conditions": "complementation/transplantation assay"
    },
    {
      "n": 0,
      "doi": "10.1016/j.celrep.2012.10.003",
      "value": "SATB1 required for PV expression; loss causes dramatic PV+ decrease",
      "method": "immunohistochemistry, fate mapping",
      "metric": "SATB1 as PV maturation effector downstream of Lhx6",
      "n_analyzed": null,
      "ci_or_error": null,
      "text_access": "fulltext",
      "n_definition": "animals per genotype",
      "scope_region": "cortex",
      "study_system": "mouse, Satb1 conditional knockout",
      "taxonomic_level": "PV+ interneurons specifically",
      "scope_population": "PV-positive interneurons",
      "value_source_sentence": "Satb1 mutant cortex showed a dramatic decrease in the number of cells expressing PV, while the number of SST-expressing cells was largely unaffected.",
      "experimental_conditions": "MGE-specific Satb1 deletion"
    }
  ],
  "comparison_id": "transcription-factor-cascade-mge-pv-specification",
  "comparison_name": "Transcription Factor Cascade for MGE-Derived PV Interneuron Specification",
  "comparison_type": "convergent evidence",
  "what_it_reveals": "A hierarchical transcription factor cascade (NKX2.1→LHX6→ARX/CXCR7/SATB1) controls PV interneuron specification, with each factor regulating distinct aspects (regional identity, fate determination, laminar positioning, maturation)",
  "homogeneity_check": {
    "caveats": [
      "Different stages of the cascade: specification vs fate vs maturation",
      "Different knockout models at different developmental stages",
      "SATB1 paper focuses specifically on PV+ while others examine broader MGE-derived populations"
    ],
    "n_definition_uniform": "false",
    "scope_region_uniform": "true",
    "taxonomic_level_uniform": "false",
    "scope_population_uniform": "false"
  },
  "suggested_plot_type": "timeline"
}

[
  "paper:paper-09e3387a22aa",
  "paper:paper-a41ff0022587",
  "paper:paper-a9cd8f097456"
]

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  "notes": [
    "Local review repositories are read-only inputs.",
    "SciDEX stores paper metadata, structured evidence, file pointers, and short citation contexts; it does not copy full review prose."
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  "source_commit_sha": "df9fc7e8d455b084152c9d713558dae0013cef21",
  "source_repository_url": "https://github.com/AllenNeuralDynamics/ComputationalReviewPV"
}