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May function as an adapter protein. Required for efficient phagocytosis of apoptotic cells. Modulates cellular glycosphingolipid and cholesterol transport. May play a role in the internalization and endosomal trafficking of various LRP1 ligands, such as PSAP. Increases cellular levels of GTP-bound ARF6.
Gene References into Functions
This study highlights and provides new implications for the role of GULP1 associated molecular mechanism(s) in COPD-emphysema development or progression. PMID: 28284325
The apoptotic engulfment protein Ced-6 participates in clathrin-mediated yolk uptake in Drosophila egg chambers. PMID: 22398720
GULP expression positively regulates TGF-beta signaling leading to growth inhibition, this may represent an attractive target to achieve TGF-beta responsiveness in ovarian cells. PMID: 22451657
This study identify GULP1 as a novel neuronal amyloid-beta precursor protein interacting protein that alters trafficking and processing of amyloid-beta precursor protein. PMID: 20674096
overexpression of GULP1 enhanced the generation of APP CTFs (C-terminal fragments) and Abeta, whereas knockdown of GULP1 suppressed APP CTFs and Abeta production. PMID: 21486224
the GULP1 gene and the apoptotic engulfment pathway are involved in schizophrenia in subjects of European ancestry PMID: 19721717
Interaction of CED-6/GULP, an adapter protein involved in engulfment of apoptotic cells with CED-1 and CD91/low density lipoprotein receptor-related protein (LRP). PMID: 11729193
GULP is a likely downstream molecule in the stabilin-2-mediated signaling pathway and plays an important role in stabilin-2-mediated phagocytosis PMID: 18230608
Phosphatidylserine-recognizing SR-BI activates associated GULP; activated GULP induces MAPK phosphorylation; activated MAPK increases GTP-bound Rac1; and activated Rac1 induces a rearrangement of the actin cytoskeleton. PMID: 19122200
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Subcellular Location
Cytoplasm. Note=May associate with the cytoplasmic side of the plasma membrane and early endosomes.
Protein Families
Ced-6 family
Tissue Specificity
Widely expressed. Detected in macrophages, pancreas, kidney, skeletal muscle, heart, colon, intestine, lung, placenta and ovary.