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ASPH

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(Redirected from Junctin) Protein and coding gene in humans

For camera lenses, see Aspheric lens § Camera lenses.
ASPH
Available structures
PDBOrtholog search: PDBe RCSB
List of PDB id codes

5APA

Identifiers
AliasesASPH, AAH, BAH, CASQ2BP1, FDLAB, HAAH, JCTN, junctin, aspartate beta-hydroxylase
External IDsOMIM: 600582; MGI: 1914186; HomoloGene: 20910; GeneCards: ASPH; OMA:ASPH - orthologs
EC number1.14.11.16
Gene location (Human)
Chromosome 8 (human)
Chr.Chromosome 8 (human)
Chromosome 8 (human)Genomic location for ASPHGenomic location for ASPH
Band8q12.3Start61,500,556 bp
End61,714,640 bp
Gene location (Mouse)
Chromosome 4 (mouse)
Chr.Chromosome 4 (mouse)
Chromosome 4 (mouse)Genomic location for ASPHGenomic location for ASPH
Band4|4 A1Start9,448,069 bp
End9,669,344 bp
RNA expression pattern
Bgee
HumanMouse (ortholog)
Top expressed in
  • Achilles tendon

  • stromal cell of endometrium

  • palpebral conjunctiva

  • epithelium of colon

  • islet of Langerhans

  • right adrenal cortex

  • left adrenal gland

  • germinal epithelium

  • left adrenal cortex

  • adipose tissue
Top expressed in
  • vastus lateralis muscle

  • triceps brachii muscle

  • temporal muscle

  • tibialis anterior muscle

  • sternocleidomastoid muscle

  • medial head of gastrocnemius muscle

  • muscle of thigh

  • soleus muscle

  • digastric muscle

  • interventricular septum
More reference expression data
BioGPS




More reference expression data
Gene ontology
Molecular function
Cellular component
Biological process
Sources:Amigo / QuickGO
Orthologs
SpeciesHumanMouse
Entrez

444

65973

Ensembl

ENSG00000198363

ENSMUSG00000028207

UniProt

Q12797

Q8BSY0

RefSeq (mRNA)
NM_001164750
NM_001164751
NM_001164752
NM_001164753
NM_001164754

NM_001164755
NM_001164756
NM_004318
NM_020164
NM_032466
NM_032467
NM_032468

NM_001177849
NM_001177850
NM_001177851
NM_001177852
NM_001177853

NM_001177854
NM_001177855
NM_001177856
NM_001290367
NM_023066
NM_133723

RefSeq (protein)
NP_001158222
NP_001158223
NP_001158224
NP_001158225
NP_001158226

NP_001158227
NP_001158228
NP_004309
NP_064549
NP_115855
NP_115856
NP_115857

NP_001171320
NP_001171321
NP_001171322
NP_001171323
NP_001171324

NP_001171325
NP_001171326
NP_001171327
NP_001277296
NP_075553
NP_598484

Location (UCSC)Chr 8: 61.5 – 61.71 MbChr 4: 9.45 – 9.67 Mb
PubMed search
Wikidata
View/Edit HumanView/Edit Mouse

Aspartyl/asparaginyl beta-hydroxylase (HAAH) is an enzyme that in humans is encoded by the ASPH gene. ASPH is an alpha-ketoglutarate-dependent hydroxylase, a superfamily non-haem iron-containing proteins.

Function

This gene is thought to play an important role in calcium homeostasis. Alternative splicing of this gene results in five transcript variants which vary in protein translation, the coding of catalytic domains, and tissue expression. Variation among these transcripts impacts their functions which involve roles in the calcium storage and release process in the endoplasmic and sarcoplasmic reticulum as well as hydroxylation of aspartic acid and asparagine in epidermal growth factor-like domains of various proteins.

Clinical significance

As early as 1996, the over-expression of HAAH was recognized as an indicator of carcinoma in humans. Further research has correlated elevated HAAH levels (variously in affected tissue or blood serum) with hepatocellular (liver) carcinoma adenocarcinoma (pancreatic cancer), colorectal cancer, prostate cancer. and lung cancer. The pancreatic study showed elevated HAAH only in diseased tissue, but not in adjacent normal and inflamed tissue.

Mutations in ASPH cause Traboulsi syndrome.

References

  1. ^ GRCh38: Ensembl release 89: ENSG00000198363Ensembl, May 2017
  2. ^ GRCm38: Ensembl release 89: ENSMUSG00000028207Ensembl, May 2017
  3. "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  4. "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  5. Korioth F, Gieffers C, Frey J (December 1994). "Cloning and characterization of the human gene encoding aspartyl beta-hydroxylase". Gene. 150 (2): 395–9. doi:10.1016/0378-1119(94)90460-X. PMID 7821814.
  6. Lim KY, Hong CS, Kim DH (September 2000). "cDNA cloning and characterization of human cardiac junctin". Gene. 255 (1): 35–42. doi:10.1016/S0378-1119(00)00299-7. PMID 10974562.
  7. ^ "Entrez Gene: ASPH aspartate beta-hydroxylase".
  8. Ince N, de la Monte SM, Wands JR (March 2000). "Overexpression of human aspartyl (asparaginyl) beta-hydroxylase is associated with malignant transformation". Cancer Research. 60 (5): 1261–6. PMID 10728685.
  9. ^ Xue T, Xue XP, Huang QS, Wei L, Sun K, Xue T (August 2009). "Monoclonal antibodies against human aspartyl (asparaginyl) beta-hydroxylase developed by DNA immunization". Hybridoma. 28 (4): 251–7. doi:10.1089/hyb.2009.0017. PMID 19663697.
  10. ^ Palumbo KS, Wands JR, Safran H, King T, Carlson RI, de la Monte SM (July 2002). "Human aspartyl (asparaginyl) beta-hydroxylase monoclonal antibodies: potential biomarkers for pancreatic carcinoma". Pancreas. 25 (1): 39–44. doi:10.1097/00006676-200207000-00010. PMID 12131769. S2CID 2098747.
  11. "CC Detect - Serum-Based Diagnostic Test For Colon Cancer Available". Archived from the original on 2021-02-08. Retrieved 2011-11-29.
  12. Hampton T (November 2007). "New screening techniques show potential for early detection of lung cancer". JAMA. 298 (17): 1997. doi:10.1001/jama.298.17.1997. PMID 17986689.
  13. Patel N, Khan AO, Mansour A, Mohamed JY, Al-Assiri A, Haddad R, et al. (May 2014). "Mutations in ASPH cause facial dysmorphism, lens dislocation, anterior-segment abnormalities, and spontaneous filtering blebs, or Traboulsi syndrome". American Journal of Human Genetics. 94 (5): 755–9. doi:10.1016/j.ajhg.2014.04.002. PMC 4067561. PMID 24768550.

External links

Further reading

Oxidoreductases: dioxygenases, including steroid hydroxylases (EC 1.14)
1.14.11: 2-oxoglutarate
1.14.13: NADH or NADPH
1.14.14: reduced flavin or flavoprotein
1.14.15: reduced iron–sulfur protein
1.14.16: reduced pteridine (BH4 dependent)
1.14.17: reduced ascorbate
1.14.18-19: other
1.14.99 - miscellaneous
Enzymes
Activity
Regulation
Classification
Kinetics
Types
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