Human Guanylyl Cyclase C/GUCY2C Antibody

Catalog #: MAB2157 Datasheet / COA / SDS

Catalog #	Availability	Size / Price	Qty
MAB2157-100
MAB2157-SP

Detection of GUCY2C in HEK293 Human Cell Line Transfected with Human GUCY2C and eGFP by Flow Cytometry.

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Human Guanylyl Cyclase C/GUCY2C Antibody Summary

Species Reactivity

Human

Specificity

Detects human Guanylyl Cyclase C/GUCY2C in direct ELISAs.

Source

Recombinant Monoclonal Rabbit IgG Clone # 2543C

Purification

Protein A or G purified from cell culture supernatant

Immunogen

Human embryonic kidney cell HEK293-derived human Guanylyl Cyclase C/GUCY2C
Ser21-Gln430
Accession # P25092

Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Label

Unconjugated

Applications

Recommended Concentration

Sample

Flow Cytometry

0.25 µg/10⁶ cells

See below

CyTOF-ready

Ready to be labeled using established conjugation methods. No BSA or other carrier proteins that could interfere with conjugation.

Immunocytochemistry

3-25 µg/mL

See below

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Scientific Data

Flow Cytometry

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Detection of GUCY2C in HEK293 Human Cell Line Transfected with Human GUCY2C and eGFP by Flow Cytometry. HEK293 human embryonic kidney cell line transfected with (A) human GUCY2C or (B) irrelevant transfectants and eGFP was stained with Rabbit Anti-Human GUCY2C Monoclonal Antibody (Catalog # MAB2157) followed by APC-conjugated Anti-Rabbit IgG Secondary Antibody (Catalog # F0111). Quadrant markers were set based on control antibody staining (Catalog # MAB1050). View our protocol for Staining Membrane-associated Proteins.

Immunocytochemistry

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Guanylyl Cyclase C/GUCY2C in LS1034 Human Cell Line. Guanylyl Cyclase C/GUCY2C was detected in immersion fixed LS1034 human colorectal carcinoma cell line (positive) and HCT-116 human colorectal carcinoma cell line (negative) using Rabbit Anti-Human Guanylyl Cyclase C/GUCY2C Monoclonal Antibody (Catalog # MAB2157) at 3 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Rabbit IgG Secondary Antibody (red; Catalog # NL004) and counterstained with DAPI (blue). Specific staining was localized to cell membrane. View our protocol for Fluorescent ICC Staining of Cells on Coverslips.

Reconstitution Calculator

Preparation and Storage

Reconstitution

Reconstitute at 0.5 mg/mL in sterile PBS.

Shipping

Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.

Stability & Storage

Use a manual defrost freezer and avoid repeated freeze-thaw cycles.

12 months from date of receipt, -20 to -70 °C as supplied.
1 month, 2 to 8 °C under sterile conditions after reconstitution.
6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: Guanylyl Cyclase C/GUCY2C

GUCY2C (Guanylyl Cyclase C), also known as heat-stable enterotoxin receptor, is a type I transmembrane protein of the guanylate cyclase (gc) family that signal by producing cGMP (1, 2). GUCY2C contains a 23 amino acid (aa) signal sequence, a 407 aa extracellular region (ECD), a 24 aa transmembrane (TM) segment and a 619 aa cytoplasmic domain (3). The ECD of human GUCY2C shares 71% and 72% aa identity with mouse and rat GUCY2C, respectively (4). GUCY2C was first identified as the intestinal epithelial receptor regulating fluid and electrolyte transport in the secretory diarrhea induced by bacterial enterotoxins (5). Endogenous ligands of GUCY2C include guanylin and uroguanylin (6). GUCY2C in epithelial cells plays an important role in cell dynamics and homeostatic balance of proliferation, metabolism, and differentiation that organizes the guanylyl cyclase C hormone axis (2, 6). GUCY2C is also expressed in the brain and is implicated in attention deficiency and hyperactive behavior (2, 7). CAR-T cell therapy utilizing GUCY2C to treat metastatic colorectal cancer is currently being explored (8).

References

Arshad, N. et al. (2013) J. Biol. Chem. 288:3907.
Gibbons, A. V. et al. (2013) Cancer Res. 73:22.
de Sauvage, F. J. et al. (1991) J. Biol. Chem. 266:17912.
Singh S. et al. (1991) Biochem. Biophys. Res. Comm. 179:1455.
Lucas K. et al. (2000) Pharmacol Rev. 52:375.
Erik, S. et al. (2016) Mol. Pharmacol. 90:199.
Gong, R. et al. (2011) Science. 333:1642.
Magee, MS. et al. (2018) Cancer Immuno Res. 6:509.

Entrez Gene IDs

2984 (Human); 14917 (Mouse); 25711 (Rat)

Alternate Names

DIAR6; EC 4.6.1; GCC; GC-C; guanylate cyclase 2C (heat stable enterotoxin receptor); Guanylate Cyclase C; Guanylyl Cyclase C; GUC2C; GUC2CEC 4.6.1.2; GUCY2C; heat-stable enterotoxin receptor; hSTAR; Intestinal guanylate cyclase; MUCIL; STA Receptor; StAR; STARSTA receptor