Immortalized Sweat Gland Myoepithelial Cell Line (iEM)

Cat. No.
T0816
Unit
1x106 cells / 1.0 ml
Price
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Cat. No. T0816
Name Immortalized Sweat Gland Myoepithelial Cell Line (iEM)
Description

This novel, immortalized ecrine sweat gland myoepithelial cell line (iEM) serves as a model for research on sweat glands and sweating. These cells were developed from primary cells transduced with lentiviral vectors containing hTERT and SV40T. Cells display spheroid formation with increased population doubling compard to non-transduced cells. iEM's express myoepithelial cell-specific proteins (a-SMA, B1 or K14) and can differentiate into luminal cells. Immortalized Sweat Gland Myoepithelial Cells provide a useful in vitro model for recapitulating eccrine sweat gland functions and for screening substances that can modulate sweating by acting on sweat glands. These cells are applicable for studies in hyperhidrosis, adiaphoresis, and sweat gland diseases. Please note: cells are exected to grow to 65 population doublings (PDs), however, the exact PD limit can vary by lot. 

Organism Mouse (M. musculus)
Tissue Sweat Gland
Donor History Female, 53, Eyelid
Growth Properties Suspension, round spheroid
Cell Type Immortalized Cells
Unit 1x106 cells / 1.0 ml
Storage Condition Vapor phase of liquid nitrogen, or below -130°C.
Shipping Conditions Ship with dry ice.
Product Format Frozen
Intended Use This product is intended for laboratory research use only. It is not intended for any animal or human therapeutic use, any human or animal consumption, or any diagnostic use.
BioSafety II
Certificate of Analysis For batch-specific test results, refer to the applicable certificate of analysis that can be found at www.abmgood.com.
Growth Conditions

Ultra-Low Attachment Plates or upright culture flasks are required for cell growth; cells must remain in suspension in order to form spheroids. Mammocult Human Medium Kit (Stemcell Technologies, Cat. 05620) + 10 ng/ml EGF (Z100139) + 10 ng/ml bFGF (Z101456) + 4 µg/ml heparin + 0.5 µg/ml hydrocortisone 21-hemisuccinate + 2% (v/v) growth factor reduced matrigel (optional) + 1% Penicillin/Streptomycin Solution (G255), 37.0°C, 5% CO₂.

Note: thawed cells should be re-suspended in media supplemented with serum to neutralize DMSO. Cells take additional time to recover post-thaw and display cell death during the initial recovery phase. Grow cells in ultra-low attachemnt plates OR upright flask to allow spheroids to formSubculture every 7 days and at least twice before experimental use. Seeding density: 2500 cells/well. 

Unpacking and Storage Instructions

1. Visually examine the packaging containers for signs of leakage or breakage.

2. Immediately transfer frozen cells from dry ice packaging to a temperature below -130°C, preferably in liquid nitrogen vapor phase storage, until ready for use.

To ensure the highest level of viability, thaw the vial and initiate culture as soon as possible upon receipt. If continued storage is desired, the vial should only be stored below -130°C or in liquid nitrogen vapor phase. Do not store at -70°C, as it will result in loss of viability.


Thawing Protocol

1. Thaw cells quickly in a 37°C water bath while agitating gently (maximum 2 minutes). The vial cap should be kept above the water level to minimize the risk of contamination.

2. Decontaminate the vial by spraying and wiping the exterior of the vial with 70% ethanol. From this point onwards, all operations should be strictly carried out inside a biological safety cabinet using aseptic conditions.

3. Transfer the cell suspension into a 15ml sterile conical tube containing 5ml of pre-warmed, complete growth media supplemented with 10% FBS. Centrifuge cells at 300xg for 5 minutes.

4. Aspirate the supernatant without disturbing the cell pellet. Re-suspend the cell pellet in the recommended pre-warmed, complete growth media and dispense into a T25 culture flask.

5. Incubate the cells at the recommended conditions.

Subculture Protocol

1. Simply add fresh complete media directly to the culture. Do not allow cell density to exceed 1x10⁶ cells/ml.

2. Alternatively, replace complete growth media by centrifugation and re-suspend the cell pellet in fresh complete media, and add appropriate aliquots of the cell suspension to new culture vessels, as desired.

3. Incubate the cells at the recommended conditions.

Cryopreservation

Cryopreservation Medium (TM024), or complete growth media with 10% DMSO.

Population Doubling Time (h) 24 - 46
Immortalization Method

Immortalized with lentiviral vector containing hTERT & SV40T

Expression

Alpha-SMA, puromycin resistance

Material Citation If use of this material results in a scientific publication, please cite the material in the following manner: Applied Biological Materials Inc, Cat. No. T0816.
Warranty abm warrants that cell lines shall be viable upon initiation of culture for a period of thirty (30) days after shipment and that they shall meet the specifications on the applicable abm Material Product Information sheet, certificate of analysis, and/or catalog description. Such thirty (30) day period is referred to herein as the "Warranty Period”.
Disclaimer
1. All test parameters provided in the CoA are conducted using abm's standardized culture system and procedures. The stated values may vary under the end-user's culture conditions. Please verify that the product is suitable for your studies by referencing published papers or ordering RNA (0.5 μg, Cat.# C207, $450.00) or cell lysate (100 μg, Cat.# C206, $600.00) to perform preliminary experiments, or alternatively use our Gene Expression Assay Service (Cat# C138). All sales are final.

2. We recommend live cell shipments for ease of cell transfer and this option can be requested at the time of ordering. Please note that the end-user will need to evaluate the feasibility of live cell shipment by taking into account the final destination's temperature variation and its geographical location. In addition, we thoroughly test our cell lines for freeze-thaw recovery. If frozen cells were received and not recovered in your lab under the exact, specified conditions (using recommended culture vessel, media, additional supplements, and atmospheric conditions), a live cell replacement is possible at a cost (plus shipping).

3. All of abm's cell biology products are for research use ONLY and NOT for therapeutic/diagnostic applications. abm is not liable for any repercussions arising from the use of its cell biology product(s) in therapeutic/diagnostic application(s). Please contact a technical service representative for more information.

4. abm makes no warranties or representations as to the accuracy of the information on this site. Citations from literature and provided for informational purposes only. abm does not warrant that such information has been shown to be accurate.

5. abm warrants that cell lines shall be viable upon initiation of culture for a period of thirty (30) days after shipment and that they shall meet the specifications on the applicable abm Material Product Information sheet, certificate of analysis, and/or catalog description. Such thirty (30) day period is referred to herein as the "Warranty Period."
Depositor Osaka University
Application Research Use Only.
Material Citation If use of this material results in a scientific publication, please cite the material in the following manner: Applied Biological Materials Inc, Cat. No. T0816
Print & Download Datasheet
  • Hayakawa, T., Fujita, F., Okada, F., & Sekiguchi, K. (2022). Establishment and characterization of immortalized sweat gland myoepithelial cells. Scientific reports, 12(1), 1-10.

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