Defective CFTR causes cystic fibrosis

Summary
Organism
Homo sapiens (human)
Reactome
R-HSA-5678895
PubChem
R-HSA-5678895
Description
  • Cystic fibrosis transmembrane conductance regulator (CFTR) is a low conductance chloride-selective channel that mediates the transport of chloride ions in human airway epithelial cells. Chloride ions plays a key role in maintaining homoeostasis of epithelial secretions in the lungs. Defects in CFTR can cause cystic fibrosis (CF; MIM:602421), a common generalised disorder in Caucasians affecting the exocrine glands. CF results in an ionic imbalance that impairs clearance of secretions, not only in the lung, but also in the pancreas, gastrointestinal tract and liver. Wide-ranging manifestations of the disease include chronic lung disease, exocrine pancreatic insufficiency, blockage of the terminal ileum, male infertility and salty sweat. The median survival of CF patients in North America and Western Europe is around 40 years (Davis 2006, Radlovic 2012).
Click on a node on the pathway to see its details. Glycoproteins are marked with a glycoprotein icon in their name.
Displaying entries 1 - 10 of 29 in total
UniProt ID Protein Name Gene Symbol Pathway Viewer
O00231 26S proteasome non-ATPase regulatory subunit 11
  • PSMD11
view
O00487 Ubiquitin C-terminal hydrolase PSMD14
  • POH1
  • PSMD14
view
O14818 Proteasome subunit alpha type-7
  • HSPC
  • PSMA7
view
O43242 26S proteasome non-ATPase regulatory subunit 3
  • PSMD3
view
O75477 Erlin-1
  • C10orf69
  • ERLIN1
  • KE04
  • KEO4
  • SPFH1
view
O94905 Erlin-2
  • C8orf2
  • ERLIN2
  • SPFH2
  • UNQ2441/PRO5003/PRO9924
view
P13569 Cystic fibrosis transmembrane conductance regulator
  • ABCC7
  • CFTR
view
P17980 26S proteasome regulatory subunit 6A
  • PSMC3
  • TBP1
view
P20618 Proteasome subunit beta type-1
  • PSC5
  • PSMB1
view
P25786 Proteasome subunit alpha type-1
  • HC2
  • NU
  • PROS30
  • PSC2
  • PSMA1
view
Displaying all 2 entries
GlyCosmos Lectin UniProt ID Lectin Name Pathway Viewer
GL_000990 Q13438 Protein OS-9 view
GL_005506 Q9UBV2 Protein sel-1 homolog 1 view

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Acknowledgements

Supported by JST NBDC Grant Number JPMJND2204

Partly supported by NIH Common Fund Grant #1U01GM125267-01


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Last updated: April 6, 2026