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PTEN-CaP8

CRL-3033

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PTEN-CaP8 is a cell line that was isolated in 2004 from a 10-month-old male mouse. The mouse prostate epithelium (PTEN-P8) cells were infected with a retrovirus carrying Cre and Puromycin-resistant cassette. It can be used for assay development, cancer research, drug development, drug resistance, and high-throughput screening.
Product category
Animal cells
Product type
Cell model
Morphology
epithelial-like
Tissue
Prostate; Epithelium
Disease
Prostate Cancer
Applications
3D cell culture
Assay development
Cancer research
Drug development
Drug resistance
High-throughput screening
Product format
Frozen
Storage conditions
Vapor phase of liquid nitrogen
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Documentation

ATCC determines the biosafety level of a material based on our risk assessment as guided by the current edition of Biosafety in Microbiological and Biomedical Laboratories (BMBL), U.S. Department of Health and Human Services. It is your responsibility to understand the hazards associated with the material per your organization’s policies and procedures as well as any other applicable regulations as enforced by your local or national agencies.

Cells were infected with a retrovirus carrying Cre and Puromycin-resistant cassette

ATCC highly recommends that appropriate personal protective equipment is always used when handling vials. For cultures that require storage in liquid nitrogen, it is important to note that some vials may leak when submersed in liquid nitrogen and will slowly fill with liquid nitrogen. Upon thawing, the conversion of the liquid nitrogen back to its gas phase may result in the vial exploding or blowing off its cap with dangerous force creating flying debris. Unless necessary, ATCC recommends that these cultures be stored in the vapor phase of liquid nitrogen rather than submersed in liquid nitrogen.

Required Products

These products are vital for the proper use of this item and have been confirmed as effective in supporting functionality. If you use alternative products, the quality and effectiveness of the item may be affected.

Detailed product information

General

Specific applications
PTEN deletion and prostate cancer research

Characteristics

Growth properties
Adherent
Derivation
Mouse prostate epithelium (PTEN-P8) cells were infected with a retrovirus carrying Cre and Puromycin-resistant cassette.
Age
10 months
Gender
Male
Immortalization method
Spontaneous immortalization
Karyotype
Chromosome Count: near 6N (115-129)
Numerical Abnormalities: -1, -4, +10, +14, +15, +16, +17, -Y
Structural Abnormalities: Del(5B), Del(7C), Del(8A3), Del(10A1), Del(13B), Del(14C1), Del(15B)
Tumorigenic
Yes
Expression markers
Androgen receptor, positive
Comments
PTEN mutations are one of the the most frequent genetic alterations found in human prostate cancers. This cell line, PTEN-CaP8, along with its isogenic partner, PTEN-P8 were generated to better understand the underlying molecular mechanisms of PTEN in prostate cancer progression and control, as well as the signaling pathways controlled by PTEN. PTEN-CaP8 is homozygous for Pten deletion. This cell line was generated from tissue that had not been subjected to hormone ablation therapy and are thus ideal for the study of human refractory prostate cancer formation, as many of the most well-studied human prostate cancer cell lines are from late-stage cancer tissue that has undergone such therapy. PTEN-CaP8 cells have lost the second Pten loxp allele and PTEN function as shown by the loss of PTEN protein expression and increased P-AKT levels. Pten null cells are tumorigenic in both male and female severe combined immunodeficiency mice despite no prior exposure to hormone ablation therapy. Complete loss of PTEN causes decreased p27 and E-cadherin expression.

Handling information

Unpacking and storage instructions
  1. Check all containers for leakage or breakage.
  2. Remove the frozen cells from the dry ice packaging and immediately place the cells at a temperature below ­-130°C, preferably in liquid nitrogen vapor, until ready for use.
Complete medium
The base medium for this cell line is ATCC-formulated Dulbecco’s Modified Eagle’s Medium, (ATCC® No. 30-2002). To make the complete growth medium, add the following components to 500 ml of the base medium:

fetal bovine serum (FBS; ATCC® No. 30-2020) to a final concentration of 10%

25 µg/mL bovine pituitary extract (BPE)

5 µg/mL human recombinant insulin

6 ng/mL human recombinant epidermal growth factor (EGF)

  Note: Do not filter complete medium

Temperature
37°C
Atmosphere
95% Air, 5% CO2
Handling procedure
To insure the highest level of viability, thaw the vial and initiate the culture as soon as possible upon receipt. If upon arrival, continued storage of the frozen culture is necessary, it should be stored in liquid nitrogen vapor phase and not at 70°C. Storage at 70°C will result in loss of viability.
  1. Thaw the vial by gentle agitation in a 37°C water bath. To reduce the possibility of contamination, keep the O-ring and cap out of the water. Thawing should be rapid (approximately 2 minutes).
  2. Remove the vial from the water bath as soon as the contents are thawed, and decontaminate by dipping in or spraying with 70% ethanol. All of the operations from this point on should be carried out under strict aseptic conditions.
  3. Transfer the vial contents to a centrifuge tube containing 9.0 mL complete culture medium and spin at approximately 125 x g for 5 to 7 minutes.
  4. Resuspend cell pellet with the recommended complete medium (see the specific batch information for the culture recommended dilution ratio) and dispense into a new culture flask. It is important to avoid excessive alkalinity of the medium during recovery of the cells. It is suggested that, prior to the addition of the vial contents, the culture vessel containing the complete growth medium be placed into the incubator for at least 15 minutes to allow the medium to reach its normal pH (7.0 to 7.6).
  5. Incubate the culture at 37°C in a suitable incubator. A 5% CO2 in air atmosphere is recommended if using the medium described on this product.
Subculturing procedure

Subculture when culture reaches ~70-85% confluence.

A subcultivation ratio of 1:20 to 1:50 is recommended.

  1. Remove and discard culture medium.
  2. Briefly rinse the cell layer with 0.25% (w/v) Trypsin- 0.53 mM EDTA solution to remove all traces of serum which contains trypsin inhibitor.
  3. Add 2.0 to 3.0 mL of Trypsin-EDTA solution to flask and observe cells under an inverted microscope until cell layer is dispersed (usually within 5 to 15 minutes).
  4. Note: To avoid clumping do not agitate the cells by hitting or shaking the flask while waiting for the cells to detach. Cells that are difficult to detach may be placed at 37°C to facilitate dispersal.
  5. Add 6.0 to 8.0 mL of complete growth medium and aspirate cells by gently pipetting.
  6. Add appropriate aliquots of the cell suspension to new culture vessels. An inoculum of 8.0 X 103
  7. to 1.0 x 104 viable cells/cm2 is recommended.
  8. Incubate cultures at 37°C.
Replace medium with fresh medium every 2 to 3 days.
Reagents for cryopreservation
Complete growth medium supplemented with 10% (v/v) FBS and 10% (v/v) DMSO (ATCC 4-X)

Quality control specifications

Population doubling time
Approximately 18 hrs

History

Depositors
J Jiao and H Wu
Year of origin
2004

Legal disclaimers

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.
Warranty

The product is provided 'AS IS' and the viability of ATCC® products is warranted for 30 days from the date of shipment, provided that the customer has stored and handled the product according to the information included on the product information sheet, website, and Certificate of Analysis. For living cultures, ATCC lists the media formulation and reagents that have been found to be effective for the product. While other unspecified media and reagents may also produce satisfactory results, a change in the ATCC and/or depositor-recommended protocols may affect the recovery, growth, and/or function of the product. If an alternative medium formulation or reagent is used, the ATCC warranty for viability is no longer valid.  Except as expressly set forth herein, no other warranties of any kind are provided, express or implied, including, but not limited to, any implied warranties of merchantability, fitness for a particular purpose, manufacture according to cGMP standards, typicality, safety, accuracy, and/or noninfringement.

Disclaimers

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. Any proposed commercial use is prohibited without a license from ATCC.

While ATCC uses reasonable efforts to include accurate and up-to-date information on this product sheet, ATCC makes no warranties or representations as to its accuracy. Citations from scientific literature and patents are provided for informational purposes only. ATCC does not warrant that such information has been confirmed to be accurate or complete and the customer bears the sole responsibility of confirming the accuracy and completeness of any such information.

This product is sent on the condition that the customer is responsible for and assumes all risk and responsibility in connection with the receipt, handling, storage, disposal, and use of the ATCC product including without limitation taking all appropriate safety and handling precautions to minimize health or environmental risk. As a condition of receiving the material, the customer agrees that any activity undertaken with the ATCC product and any progeny or modifications will be conducted in compliance with all applicable laws, regulations, and guidelines. This product is provided 'AS IS' with no representations or warranties whatsoever except as expressly set forth herein and in no event shall ATCC, its parents, subsidiaries, directors, officers, agents, employees, assigns, successors, and affiliates be liable for indirect, special, incidental, or consequential damages of any kind in connection with or arising out of the customer's use of the product. While reasonable effort is made to ensure authenticity and reliability of materials on deposit, ATCC is not liable for damages arising from the misidentification or misrepresentation of such materials.

Please see the material transfer agreement (MTA) for further details regarding the use of this product. The MTA is available at www.atcc.org.

Permits & Restrictions

Import Permit for the State of Hawaii

If shipping to the U.S. state of Hawaii, you must provide either an import permit or documentation stating that an import permit is not required. We cannot ship this item until we receive this documentation. Contact the Hawaii Department of Agriculture (HDOA), Plant Industry Division, Plant Quarantine Branch to determine if an import permit is required.

MORE INFORMATION ABOUT PERMITS AND RESTRICTIONS

Frequently Asked Questions

References

Curated Citations

Jiao J, et al. Murine cell lines derived from Pten null prostate cancer show the critical role of PTEN in hormone refractory prostate cancer development. Cancer Res. 67: 6083-6091, 2007. PubMed:17616663

Wang S, et al. Prostate-specific deletion of the murine Pten tumor suppressor gene leads to metastatic prostate cancer. Cancer Cell 4(3): 209-221, 2003. PubMed: 14522255

Roy-Burman P, et al. Genetically defined mouse models that mimic natural aspects of human prostate cancer development. Endocr. Relat. Cancer 11: 225–254, 2004. PubMed: 15163300

Freeman D, et al. PTEN tumor suppressor regulates p53 protein levels and activity through phosphatase-dependent and -independent mechanisms. Cancer Cell 3(2): 117-130, 2003. PubMed: 12620407

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