Human Interaction Network Ontology

Last uploaded: June 27, 2014
Preferred Name

Synthesis of Preproghrelin

Synonyms
Definitions

The ghrelin gene is transcribed and spliced to yield two variants: isoform 1 encodes full-length preproghrelin and isoform 2 encodes des-acyl-Gln14 preproghrelin, which is missing glutamine at position 14 of the mature peptide. Des-acyl-Gln14 ghrelin is found in rodents but is present in negligible quantities in humans. Somatostatin and leptin inhibit ghrelin mRNA levels. Estrogen increases ghrelin mRNA levels. The KLF4 transcription factor binds the ghrelin promoter and activates transcription. Putative binding sites for other transcription factors have been identified but their functions have not been demonstrated. Edited: May, B, 2009-06-10 Reviewed: Zhang, Weizhen, 2009-08-29 Authored: May, B, 2009-06-10

ID

http://purl.obolibrary.org/obo/HINO_0014618

comment

The ghrelin gene is transcribed and spliced to yield two variants: isoform 1 encodes full-length preproghrelin and isoform 2 encodes des-acyl-Gln14 preproghrelin, which is missing glutamine at position 14 of the mature peptide. Des-acyl-Gln14 ghrelin is found in rodents but is present in negligible quantities in humans. Somatostatin and leptin inhibit ghrelin mRNA levels. Estrogen increases ghrelin mRNA levels. The KLF4 transcription factor binds the ghrelin promoter and activates transcription. Putative binding sites for other transcription factors have been identified but their functions have not been demonstrated.

Edited: May, B, 2009-06-10

Reviewed: Zhang, Weizhen, 2009-08-29

Authored: May, B, 2009-06-10

definition source

Reactome, http://www.reactome.org

Pubmed19280057

Pubmed15142980

Pubmed19327128

Pubmed15604212

Pubmed18396350

Pubmed12050285

Pubmed10604470

label

Synthesis of Preproghrelin

prefixIRI

HINO:0014618

prefLabel

Synthesis of Preproghrelin

seeAlso

Reactome Database ID Release 43422088

ReactomeREACT_19166

subClassOf

http://purl.obolibrary.org/obo/INO_0000131

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