Abstract
Identification of pre-B-cell colony-enhancing factor (PBEF) interacting partners may reveal new molecular mechanisms of PBEF in the pathogenesis of acute lung injury (ALI). The interactions between PBEF and NADH dehydrogenase subunit 1(ND1), ferritin light chain and interferon induced transmembrane 3 (IFITM3) in human pulmonary vascular endothelial cells were identified and validated. ND1, ferritin and IFITM3 are involved in oxidative stress and inflammation. Overexpression of PBEF increased its interactions and intracellular oxidative stress, which can be attenuated by rotenone. The interaction modeling between PBEF and ND1 is consistent with the corresponding experimental finding. These interactions may underlie a novel role of PBEF in the pathogenesis of ALI. Structured summary MINT- 6538697: PBEF (uniprotkb: P43490) physically interacts (MI: 0218) with NADH1 (uniprotkb: P03886) by two hybrid (MI: 0018) MINT- 6538811, MINT- 6538868: PBEF (uniprotkb: P43490) physically interacts (MI: 0218) with interferon-induced transmembrane protein 3 (uniprotkb: Q01628) by anti bait coimmunoprecipitation (MI: 0006) MINT- 6538787, MINT- 6538841: PBEF (uniprotkb: P43490) physically interacts (MI: 0218) with NADH1 (uniprotkb: P03886) by anti bait coimmunoprecipitation (MI: 0006) MINT- 6538755: PBEF (uniprotkb: P43490) physically interacts (MI: 0218) with γ- glutamyl-transferase (uniprotkb: P19440) by two hybrid (MI: 0018) MINT- 6538799, MINT- 6538862: PBEF (uniprotkb: P43490) physically interacts (MI: 0218)with Ferritin light chain (uniprotkb: P02792) by anti bait coimmunoprecipitation (MI: 0006) MINT- 6538769: PBEF (uniprotkb: P43490) physically interacts (MI: 0218) with E2L6 (uniprotkb: O14933) by two hybrid (MI: 0018) MINT- 6538741: PBEF (uniprotkb: P43490) physically interacts (MI: 0218) with Adenosine A2aR (uniprotkb: P29274) by two hybrid (MI: 0018) MINT- 6538727: PBEF (uniprotkb: P43490) physically interacts (MI: 0218) with interferon-induced transmembrane protein 3 (uniprotkb: Q01628) by two hybrid (MI: 0018) MINT- 6538712: PBEF (uniprotkb: P43490) physically interacts (MI: 0218) with Ferritin light chain (uniprotkb: P02792) by two hybrid (MI: 0018)
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