NKX2-8 NK2 homeobox 8 [Homo sapiens (human)] - Gene

Summary

Official Symbol: NKX2-8provided by HGNC
Official Full Name: NK2 homeobox 8provided by HGNC
Primary source: HGNC:HGNC:16364
See related: Ensembl:ENSG00000136327 MIM:603245; AllianceGenome:HGNC:16364
Gene type: protein coding
RefSeq status: REVIEWED
Organism: Homo sapiens
Lineage: Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; Homo
Also known as: NKX2H; NKX2.8; Nkx2-9
Summary: The protein encoded by this gene is a homeobox-containing developmental regulator associated with liver development. The encoded protein binds to the alpha-fetoprotein (AFP) gene promoter and increases the expression of AFP. This gene is overexpressed in some lung cancers and is linked to poor patient survival, possibly due to its resistance to cisplatin. This gene is aberrantly methylated in pancreatic cancer, deleted in squamous cell lung carcinomas, and acts as a tumor suppressor in esophageal cancer. Mutations in this gene may also be a cause of neural tube defects. [provided by RefSeq, Dec 2015]
Expression: Low expression observed in reference dataset See more
Orthologs: mouse all
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Genomic context

Location:: 14q13.3

Exon count:: 2

Annotation release	Status	Assembly	Chr	Location
RS_2023_10	current	GRCh38.p14 (GCF_000001405.40)	14	NC_000014.9 (36580004..36582614, complement)
RS_2023_10	current	T2T-CHM13v2.0 (GCF_009914755.1)	14	NC_060938.1 (30769341..30771951, complement)
105.20220307	previous assembly	GRCh37.p13 (GCF_000001405.25)	14	NC_000014.8 (37049209..37051819, complement)

Chromosome 14 - NC_000014.9 Genomic Context describing neighboring genes

Genomic regions, transcripts, and products

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Genomic Sequence:

Go to nucleotide: Graphics FASTA GenBank

Expression

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See details

Project title: HPA RNA-seq normal tissues
Description: RNA-seq was performed of tissue samples from 95 human individuals representing 27 different tissues in order to determine tissue-specificity of all protein-coding genes
BioProject: PRJEB4337
Publication: PMID 24309898
Analysis date: Wed Apr 4 07:08:55 2018

Bibliography

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GeneRIFs: Gene References Into Functions

What's a GeneRIF?

Nkx2.8 promotes chemosensitivity in bladder urothelial carcinoma via transcriptional repression of MDR1.
Title: Nkx2.8 promotes chemosensitivity in bladder urothelial carcinoma via transcriptional repression of MDR1.
Our results demonstrate that NKX2-8 deletion-reprogrammed FA metabolism contributes to chemoresistance and Perhexiline might serve as a potential tailored treatment for patients with NKX2-8-deleted EOC.
Title: NKX2-8 deletion-induced reprogramming of fatty acid metabolism confers chemoresistance in epithelial ovarian cancer.
Low NKX2-8 expression is associated with Bladder Urothelial Carcinoma.
Title: Nkx2.8 Inhibits Epithelial-Mesenchymal Transition in Bladder Urothelial Carcinoma via Transcriptional Repression of Twist1.
Results show that Nkx2-8 functions as a tumor suppressor in esophageal squamous cell carcinoma (ESCC), the downregulation of which contributes to NF-kappaB P65 activation and ESCC angiogenesis.
Title: Nkx2-8 downregulation promotes angiogenesis and activates NF-κB in esophageal cancer.
overexpression of Nkx2.8 resulted in downregulation of p-FOXO3a and inhibition of MEK/ERK pathway activity. silencing Nkx2.8 led to upregulation of p-FOXO3a and increase of MEK/ERK pathway activity.
Title: The tumor-suppressor gene Nkx2.8 suppresses bladder cancer proliferation through upregulation of FOXO3a and inhibition of the MEK/ERK signaling pathway.
Most tumors have low expression of Nkx2-8, and its expression can inhibit growth of some lung cancer cells.
Title: Both gene amplification and allelic loss occur at 14q13.3 in lung cancer.
Coactivation of the TTF-1 and NKX2-8 pathways identified a cluster of lung cancer patients with poor survival and were shown to exhibit resistance to cisplatin
Title: Characterizing the developmental pathways TTF-1, NKX2-8, and PAX9 in lung cancer.
A murine Nkx2.8 was isolated from the Hepal-6 cell line and showed oligonucleotide binding competitive with fetoprotein transcription factor.
Title: Regulation of alpha-fetoprotein expression by Nkx2.8.

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Phenotypes

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Find tests for this gene in the NIH Genetic Testing Registry (GTR)

Review eQTL and phenotype association data in this region using PheGenI

Variation

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See Variation Viewer (GRCh37.p13)

Interactions

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Products	Interactant	Other Gene	Complex	Source	Pubs	Description

General gene information

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Gene Ontology Provided by GOA

Function	Evidence Code	Pubs
enables DNA-binding transcription activator activity, RNA polymerase II-specific	IDA Inferred from Direct Assay more info	PubMed
enables DNA-binding transcription factor activity	IDA Inferred from Direct Assay more info	PubMed
enables DNA-binding transcription factor activity, RNA polymerase II-specific	IBA Inferred from Biological aspect of Ancestor more info
enables DNA-binding transcription factor activity, RNA polymerase II-specific	ISA Inferred from Sequence Alignment more info
enables RNA polymerase II cis-regulatory region sequence-specific DNA binding	IBA Inferred from Biological aspect of Ancestor more info
enables RNA polymerase II cis-regulatory region sequence-specific DNA binding	IDA Inferred from Direct Assay more info	PubMed
enables double-stranded DNA binding	IDA Inferred from Direct Assay more info	PubMed
enables sequence-specific DNA binding	IDA Inferred from Direct Assay more info	PubMed
enables sequence-specific double-stranded DNA binding	IDA Inferred from Direct Assay more info	PubMed

Process	Evidence Code	Pubs
involved_in DNA-templated transcription	IDA Inferred from Direct Assay more info	PubMed
involved_in axonogenesis	IEA Inferred from Electronic Annotation more info
involved_in cell differentiation	IBA Inferred from Biological aspect of Ancestor more info
involved_in epithelial cell proliferation	IEA Inferred from Electronic Annotation more info
involved_in liver development	NAS Non-traceable Author Statement more info	PubMed
involved_in lung development	IEA Inferred from Electronic Annotation more info
involved_in negative regulation of epithelial cell proliferation	IEA Inferred from Electronic Annotation more info
involved_in positive regulation of transcription by RNA polymerase II	IDA Inferred from Direct Assay more info	PubMed
involved_in regulation of transcription by RNA polymerase II	IBA Inferred from Biological aspect of Ancestor more info
involved_in transcription by RNA polymerase II	IDA Inferred from Direct Assay more info	PubMed

Component	Evidence Code	Pubs
is_active_in cellular_component	ND No biological Data available more info
part_of chromatin	ISA Inferred from Sequence Alignment more info
is_active_in nucleus	IBA Inferred from Biological aspect of Ancestor more info

General protein information

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Preferred Names: homeobox protein Nkx-2.8

Names: NK-2 homolog 8; NK-2 homolog H; NK2 transcription factor related, locus 8; homeobox protein NK-2 homolog H

NCBI Reference Sequences (RefSeq)

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RefSeqs maintained independently of Annotated Genomes

These reference sequences exist independently of genome builds. Explain

These reference sequences are curated independently of the genome annotation cycle, so their versions may not match the RefSeq versions in the current genome build. Identify version mismatches by comparing the version of the RefSeq in this section to the one reported in Genomic regions, transcripts, and products above.