RyR1 Expressing HEK293 Cell Line

Immortalized cell line HEK293 that stably expresses the type 1 ryanodine receptor (RyR1).


  • Cell line that stably expresses RyR1
  • RyR1 expression validated by immunoblotting and immunocytochemistry techniques
  • RyR1 function validated by calcium release in response to addition of RyR1 agonist 4-cholo-m-cresol
  • RyR1 single channel activity validated in nuclear patch clamp experiments

The type I ryanodine receptor (RyR1), also known as skeletal muscle calcium release channel or skeletal muscle-type ryanodine receptor, is a protein found primarily in skeletal muscle. The main role of this protein is to form an ion channel that transports calcium ions from an intracellular sarco/endoplasmic reticulum storage compartment to the cytoplasm. Additionally, the RyR1 protein plays a critical role in muscles that are used for movement by causing them to contract.

From the laboratory of Robert T. Dirksen, PhD, University of Rochester.

The Investigator's Annexe Part of The Investigator's Annexe program.

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RyR1 Expressing HEK293 Cell Line
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Product Type: Cell Line
Name: HEK293-RyR1
Cell Type: HEK293
Accession ID: P21817, CVCL_0P75
Morphology: Flat/Circular
Source: Kidney
Organism: Human
Biosafety Level: BSL2
Subculturing: Usually a 1:5 or 1:10 dilution will be 80-90% confluent in 3-4 days
Growth Conditions: DMEM (High Glucose), 10% FBS, 2mM L-Glutamine, 1% Pen/Strep, 100µg/ml Hygromycin
Cryopreservation: 90% complete media with 10% DMSO
Storage: Liquid nitrogen
Shipped: Dry ice


Protocol notes

Remove media from flask and rinse with 1X PBS without calcium and magnesium. Add Trypsin-EDTA (0.05%) and put in 37°C incubator until cells detach. Add some fresh media to stop trypsinization (2X as much as added trypsin). Transfer some of cell suspension to a new flask containing fresh media to maintain cells.


RyR1 expression in stable HEK293-RyR1 cells

Control Flp-In 293 cells (Panel I) and HEK-RyR1 cells (Panel II) showing Hoechst 34580 nuclear staining alone (left), RyR1 immunostaining alone (middle) and overlay (right).

Adapted from: Wagner LE, et al., Cell Calcium. 2014 Aug;56(2):96-107.

From the laboratory of Robert T. Dirksen, PhD, University of Rochester.
  1. Wagner LE, Groom LA, Dirksen RT, Yule DI. Characterization of ryanodine receptor type 1 single channel activity using "on-nucleus" patch clamp. Cell Calcium. 2014 Aug;56(2):96-107.

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