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Background
GUCY2C (Guanylyl Cyclase C), also known as heat-stable enterotoxin receptor, is a thtype I transmembrane protein of the guanylate cyclase (gc) family at signal by producing cGMP. Guanylate cyclase C (GUCY2C) and its hormones guanylin and uroguanylin have recently emerged as one paracrine axis defending intestinal mucosal integrity against mutational, chemical, and inflammatory injury. GUCY2C murine CAR-T cells recognized and killed human colorectal cancer cells endogenously expressing GUCY2C. Thus, we have identified a human GUCY2C-specific CAR-T cell therapy approach that may be developed for the treatment of GUCY2C-expressing metastatic colorectal cancer.
Source
Recombinant Human GUCY2C, His Tag (GUC-H52H5) is expressed from human 293 cells (HEK293). It contains AA Ser 24 - Gln 430 (Accession # P25092-1).
Predicted N-terminus: Ser 24
Molecular Characterization
This protein carries a polyhistidine tag at the C-terminus.
The protein has a calculated MW of 47.9 kDa. The protein migrates as 55-85 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
Endotoxin
Less than 1.0 EU per μg by the LAL method.
Purity
>90% as determined by SDS-PAGE.
>90% as determined by SEC-MALS.
Formulation
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4. Normally trehalose is added as protectant before lyophilization.
Reconstitution
Please see Certificate of Analysis for specific instructions.
For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.
Storage
For long term storage, the product should be stored at lyophilized state at -20°C or lower.
Please avoid repeated freeze-thaw cycles.
This product is stable after storage at:
-20°C to -70°C for 12 months in lyophilized state;
-70°C for 3 months under sterile conditions after reconstitution.
Bioactivity
Please refer to product data sheet.
(1) "Congenital Sodium Diarrhea Caused by a Novel Spontaneous Mutation in the GUCY2C Gene"
Qin, Chen, Huang et al
Indian J Pediatr (2023)
(2) "Intestinal neuropod GUCY2C regulates visceral pain"
Barton, Londregan, Alexander et al
J Clin Invest (2022)
(3) "Guanylyl cyclase C as a diagnostic and therapeutic target in colorectal cancer"
Caspi, Entezari, Crutcher et al
Per Med (2022) 19 (5), 457-472
Showing 1-3 of 135 papers.
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