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Where do hek293 cells come from?

Author

Avery Gonzales

Updated on February 16, 2026

Where do hek293 cells come from?

HEK293 is a cell line derived from human embryonic kidney cells grown in tissue culture. They are also known, more informally, as HEK cells. This particular line was initiated by the transformation and culturing of normal HEK cells with sheared adenovirus 5 DNA.

Besides, what are hek293 cells?

Human embryonic kidney 293 cells, also often referred to as HEK 293, HEK-293, 293 cells, or less precisely as HEK cells, are a specific cell line originally derived from human embryonic kidney cells grown in tissue culture.

Similarly, is hek293 a cancer cell line? HEK 293 cells are popular for their ease of growth and transfection, making them a common cell culture in cancer research. HEK 293 can be employed as a highly malignant tumor model as its tumorigenicity increases significantly in high-passage.

Keeping this in consideration, how do hek293 cells grow?

HEK293 are rounded cells that grow in suspension in cell culture, although initially they were an adherent cell line. HEK-293 cells should be grown in a complete SFMII growth medium supplemented with 4 mM L-glutamine. Flasks should be incubated at 37°C in 5% CO2 and HEK293 cell doubling time is approximately 34 hours.

What is the difference between hek293 and hek293t?

HEK293 – The HEK293 line is the original line established from a primary embryonic human kidney and transformed with sheared human adenovirus type 5 DNA. HEK293THEK293T is a HEK293 variant that expresses a temperature-sensitive allele of the SV40 T antigen.

What does senomyx stand for?

Comprehensive List Of Companies That Use Aborted Fetal Cells As Flavour. Senomyx is an American biotechnology company working toward developing additives to amplify certain flavors and smells in foods.

How do you transfect hek293 cells?

The protocol for a 24-well transfection reaction with HEK293 cells is here:
  1. Plate 10,000-15,000 HEK293 cells per well in 0.5 ml of complete growth medium 12-24 hours prior to transfection.
  2. Wash with 1xPBS and add 0.5 ml of fresh growth medium.

What is hek293 used for?

HEK293 and its derivatives are used in a wide range of experiments, including signal transduction and protein interaction studies, rapid small-scale protein production, and biopharmaceutical production.

Does Pepsi use senomyx?

Senomyx still has a non-exclusive agreement with Pepsi that runs until 2019, under which Pepsi has access to natural flavor ingredients and sweeteners that were developed during the partnership, according to a news release.

What are hek293 cells used for?

HEK 293 cells have been widely used in cell biology research for many years, because of their reliable growth and propensity for transfection. They are also used by the biotechnology industry to produce therapeutic proteins and viruses for gene therapy.

Does senomyx use fetal cells?

No new fetal tissue has been used to keep the cell culture going; the use of this cell line isn't leading to new abortions. A tiny company called Senomyx, whose stock is trading near its 52-week low, has been working to use this new technology to create food additives.

How big are hek293 cells?

HEK293 have huge nuclei, approx. 2/3 of HEK293 cell is a nucleus. Mostly HEK293 are round-ish (while HeLa-s are elongated), with a diameter of around 15-20micrometers.

Does Pepsi use HEK 293?

Research by Senomyx into the use of “HEK-293″ aborted human fetal cells as a flavor enhancer, was published in pubmed in 2002, after which several patents were filed by them. Additionally, this company has partnered with numerous major processed food manufacturers including Kraft, PepsiCo, and Nestle.

How long does it take for hek293 cells to adhere?

Cells were supposed to adhere to the plate in 2 hours approximately but after 24h in culture the cells were in suspension instead.

How much volume does a 24 well plate have?

Properties
Related CategoriesCell Culture Supplies, Corning, Corning 24-Well Microplates, Corning Microplates, Culture Multiwell Plates, Labware, Manufacturer Browser More
size24 wells
well diam.15.6 mm
well volume3.4 mL
well working volume0.38-0.57 mL

How do you split HEK cells?

Split 293T cells:
  1. Warm media and PBS buffer in 37 °C water bath and 0.05% Trypsin EDTA at RT.
  2. Remove old medium by aspiration.
  3. Add 1 ml 0.05% Trypsin-EDTA to 100 mm dish confluent with 293T cells.
  4. Add 9 ml media and gently pipet up and down to dissociate cells from plate.
  5. Once dissociated, pour into 50 ml conical tube.

How do you freeze cells in culture?

Guidelines for cryopreservation
  1. Freeze your cultured cell samples at a high concentration and at as low a passage number as possible.
  2. Freeze the cells slowly by reducing the temperature at approximately 1°C per minute using a controlled rate cryo-freezer or a cryo-freezing container such as “Mr.

How many HEK cells does a t75 have?

Useful information for various sizes of cell culture dishes and flasks
Catalog No.Trypsin (mL of 0.05% trypsin, 0.53 mM EDTA). Approx. volume
Dishes
T-25156367; 1563403
T-75156499; 1564725
T-175159910; 15992017

Why are hek293 cells used for transfection?

HEK 293 cells have been widely used in cell biology research for many years, because of their reliable growth and propensity for transfection. They are also used by the biotechnology industry to produce therapeutic proteins and viruses for gene therapy.

How fast do 293t cells grow?

Under optimum growth conditions (37°C, 5% CO2), 293 cells double about every 36 hr. To maintain consistency, do not passage cells indefinitely.

How do you freeze hek293 cells?

Freezing Cells
  1. Freeze cells at a density of at least 1 x 107 viable cells/ml.
  2. Use a freezing medium composed of 90% complete medium and 10% DMSO. Prepare freezing medium immediately before use. Filter-sterilize the freezing medium and store at +4°C until use. Discard any remaining freezing medium after use.

How do you thaw HEK cells?

Remove the cryovial containing the frozen cells from liquid nitrogen storage and immediately place it into a 37°C water bath. Quickly thaw the cells (< 1 minute) by gently swirling the vial in the 37°C water bath until there is just a small bit of ice left in the vial. Transfer the vial it into a laminar flow hood.

What companies use senomyx?

Kraft Foods, Nestlé, Coca-Cola and Campbell Soup are all working with a biotechnology company called Senomyx, which has developed several chemicals, most of which do not have any flavor of their own but instead work by activating or blocking receptors in the mouth that are responsible for taste.

Are HEK cells cancer cells?

HEK293 is embryonic kidney immortalized cell line, which represents the epithelial morphology and possibility to form tumors in nude mice. HEK 293 cells are popular for their ease of growth and transfection, making them a common cell culture in cancer research.

What is senomyx made out of?

HEK293 cells are a cell line widely used in biological and medical research, immortalised through a genetic modification removed from the original human embryonic kidney cells taken from a healthy, electively aborted human fetus in the early 1970s.

Are HEK cells immortal?

While immortalised cell lines often originate from a well-known tissue type, they have undergone significant mutations to become immortal.

What are the cell lines?

A cell line is a permanently established cell culture that will proliferate indefinitely given appropriate fresh medium and space. Lines differ from cell strains in that they become immortalized.

What are CHO cells and what are they used for?

Chinese hamster ovary (CHO) cells are an epithelial cell line derived from the ovary of the Chinese hamster, often used in biological and medical research and commercially in the production of therapeutic proteins.