TANGO1/MIA3

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MIA3
Identifiers
Gene ontology
Molecular function
Cellular component
Biological process
Sources:Amigo / QuickGO
Ensembl
UniProt
RefSeq (mRNA)

NM_177389

RefSeq (protein)

NP_796363

Location (UCSC)Chr 1: 222.62 – 222.67 Mbn/a
PubMed search[2][3]
Wikidata
View/Edit HumanView/Edit Mouse

Melanoma inhibitory activity protein 3 (MIA3), also known as transport and

tumor suppression[9][10] and progression.[11] The MIA3 gene also contains one of 27 loci associated with increased risk of coronary artery disease.[12]
. A TANGO1 like protein called TALI is expressed in liver and intestine and shown to be required for the export of bulky very Low density lipoproteins (VLDL) and chylomicrons. TANGO1 and TALI assemble into rings around COPII coats and this function is necessary for export of bulky cargoes. The discovery of TANGO1 and understanding its function has revealed that cargo export from the ER is not be vesicles but involves transient tunnels between the ER exit site and the next compartment of the secretory pathway. Biallelic Mutations in TANGO1 cause syndrome disease and complete loss of TANGO1 leads of defects in bone mineralization. These findings highlight the significance of TANGO1 in building and ER exit site, controlling the quantities and quality of cargo exported, which is necessary for life.

Structure

Gene

The MIA3 gene resides on chromosome 1 at the band 1q41 and includes 32

Protein

MIA3 is a member of the

hairpin structure that is only embedded in but not crossing the membrane.[5][7]

Function

Unlike other members in the MIA gene family, MIA3 is broadly expressed, except in the cells belonging to the

Clinical significance

In humans, MIA3 was first discovered as an important constituent in the growth and adhesion in malignant melanoma cells. As it is secreted from both chondrocytes and melanoma cells, it also plays a role in the metastasis of melanomas as well as cartilage development.[15][16][17][18] It has been established that melanoma inhibitory gene family members serve several tumor-related functions that are subjected to a variety of human malignancies.

Clinical Marker

It was found that melanoma inhibitory activity gene family members are frequently expressed in human tumors such as

squamous cell carcinoma,[11][15] esophageal squamous cell carcinoma,[19] lung cancer with nodal or distant metastasis and cervical cancer.[15] In addition, melanoma inhibitory activity gene family expression is also associated with poor prognosis among cancer patients overall.[11][20][21][22][23] Nevertheless, further research is needed to determine the association between melanoma inhibitory family member expression and its diagnostic, prognostic and therapeutic relevance in clinical oncology.[15][21]

Additionally, a multi-locus genetic risk score study, based on a combination of 27 loci including the MIA3 gene, identified individuals at increased risk for both incidence and recurrent coronary artery disease events, as well as an enhanced clinical benefit from statin therapy. The study was based on a community cohort study (the Malmo Diet and Cancer study) and four additional randomized controlled trials of primary prevention cohorts (JUPITER and ASCOT) and secondary prevention cohorts (CARE and PROVE IT-TIMI 22).[12]

References

  1. ^ a b c GRCh38: Ensembl release 89: ENSG00000154305 - Ensembl, May 2017
  2. ^ "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  3. ^ "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  4. ^ a b "MIA3 MIA family member 3, ER export factor [Homo sapiens (human)] – Gene – NCBI". www.ncbi.nlm.nih.gov. Retrieved 2016-08-19.
  5. ^ a b c d "MIA3 – Melanoma inhibitory activity protein 3 precursor – Homo sapiens (Human) – MIA3 gene & protein". www.uniprot.org. Retrieved 2016-08-19.
  6. ^ "BioGPS – your Gene Portal System". biogps.org. Retrieved 2016-08-19.
  7. ^
    S2CID 19027969
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