Expression of Lhx6 in the adult and developing mouse retina

Daqiang He, Rui Guo, Dongwang Zheng, Ping Li, X. Dong, Lin Gan

Research output: Contribution to journalArticle

Abstract

Purpose: To investigate the expression patterns of LIM Homeobox 6 (Lhx6) in the adult and developing mouse retina. Methods: The Lhx6-GFP knock-in allele was used to activate constitutive expression of a GFP reporter in Lhx6 expressing cells. Double labeling with GFP and retinal markers in the mouse retina at postnatal day 56 (P56) was performed to identify the cell types expressing Lhx6. To determine the neuronal cell types that express Lhx6, double labeling with GFP and various retinal markers was employed in the differentiating retina at P7 and P15. Results: GFP + Lhx6 lineage cells were determined in Brn3a + retinal ganglion cells (RGCs), ChAT + amacrine cells (ACs), and Islet-class LIM-homeodomain 1 (Isl1+) ACs in the mouse retina at P56. In the ganglion cell layer (GCL), Lhx6 was expressed in Brn3a + RGCs but not Brn3b + RGCs at P15. Moreover, in the inner nuclear layer (INL), Lhx6 was not expressed in Bhlhb5+ ACs at P15. However, Lhx6 was weakly expressed in Glyt1+ ACs and Pax6+ ACs, and strongly expressed in Isl1+ and ChAT + ACs at P15. Conclusion: Lhx6 was expressed in RGCs and ACs in both the adult and developing mouse retina.

Original languageEnglish (US)
Article number119065
JournalGene Expression Patterns
Volume34
DOIs
StatePublished - Dec 2019

Fingerprint

Homeobox Genes
Amacrine Cells
Retina
Retinal Ganglion Cells
Ganglia
Alleles

Keywords

  • ACs
  • Expression
  • Lhx6
  • RGCs
  • Retina

ASJC Scopus subject areas

  • Molecular Biology
  • Genetics
  • Developmental Biology

Cite this

Expression of Lhx6 in the adult and developing mouse retina. / He, Daqiang; Guo, Rui; Zheng, Dongwang; Li, Ping; Dong, X.; Gan, Lin.

In: Gene Expression Patterns, Vol. 34, 119065, 12.2019.

Research output: Contribution to journalArticle

He, Daqiang ; Guo, Rui ; Zheng, Dongwang ; Li, Ping ; Dong, X. ; Gan, Lin. / Expression of Lhx6 in the adult and developing mouse retina. In: Gene Expression Patterns. 2019 ; Vol. 34.
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AU - Gan, Lin

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AB - Purpose: To investigate the expression patterns of LIM Homeobox 6 (Lhx6) in the adult and developing mouse retina. Methods: The Lhx6-GFP knock-in allele was used to activate constitutive expression of a GFP reporter in Lhx6 expressing cells. Double labeling with GFP and retinal markers in the mouse retina at postnatal day 56 (P56) was performed to identify the cell types expressing Lhx6. To determine the neuronal cell types that express Lhx6, double labeling with GFP and various retinal markers was employed in the differentiating retina at P7 and P15. Results: GFP + Lhx6 lineage cells were determined in Brn3a + retinal ganglion cells (RGCs), ChAT + amacrine cells (ACs), and Islet-class LIM-homeodomain 1 (Isl1+) ACs in the mouse retina at P56. In the ganglion cell layer (GCL), Lhx6 was expressed in Brn3a + RGCs but not Brn3b + RGCs at P15. Moreover, in the inner nuclear layer (INL), Lhx6 was not expressed in Bhlhb5+ ACs at P15. However, Lhx6 was weakly expressed in Glyt1+ ACs and Pax6+ ACs, and strongly expressed in Isl1+ and ChAT + ACs at P15. Conclusion: Lhx6 was expressed in RGCs and ACs in both the adult and developing mouse retina.

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