ONCOREF™ Custom FFPE Cell Block Service


Custom FFPE Services

Our ONCOREFtm Custom FFPE Cell Block Services gives you the flexibilty to receive a custom FFPE product with high quality and consistency with a fast turnaround time at a great price.  Simply ship us your cells. If needed, we can culture, fix the cells using buffered formalin (10% for 24hrs at room temperature, typically), and then prepare a cell core and embed the core into a paraffin block.  If requested (optional), we can prepare FFPE Cell slides or FPPE Cell scrolls from a freshly prepared FFPE Cell Block.   We typically turnaround a FFPE Cell block in 7 working days from receipt of 1 x 108 cells. 

How to obtain a Custom FFPE Cell Block quote:

  1. Download our custom FFPE Services Order Form. 
  2. Save the PDF with a different file name 
  3. Open the PDF form (containf the new file name)
  4. Click the "Submit" button located on the top of the order form. 

Custom FFPE Services Order Form

ONCOREFtm Mutation Cell Line - Formalin Fixed Paraffin Embedded

 1) Choose a Cell Lines: 

  1. Your own cell line
  2. ONCOREFtm Mutation Cell Line
  3. Human Cancer Cell Lines Offered (see list below) 
  • Breast Cancer (SK-BR-3, MCF7, MDA-MB-231, MDA-MB-468, BT-474, T-47D
  • Lung Cancer (H2228, H23, A549, H460, HOP-62, H322)
  • Cervical Cancer (HeLa, Ca Ski)
  • Prostate Cancer (PC3, DU-145)
  • Colon Cancer (SW-620, HT-29, HCC-2998)
  • Melanoma (SK-MEL-2, SK-MEL-5, M14, M21, CHL-1)
  • Leukemia (K-562, Jurkat, Raji)
  • Ovarian Cancer (OVCAR-8, IGR-OV1)
  • Renal Cancer (SN-12C, TK-10)
  • Liver Cancer (HepG2, Huh-7)


  Coming Soon!  Custom FFPE Blocks using RNA Gene-Fused Cell Lines

  Optional FFPE Cell Blcok Services:

  Custom Mutation Allelic Frequency FFPE Cell Blocks:

Custom FFPE Processing of Your Cell Lines - Formalin Fixed Paraffin Embedded

EGFR T790M mutant cell lines fixed and diluted into WT parental cells at targeted allelic frequencies of 50%, 10%, and 1% T790M and confirmed with digital PCR.

(OPTIONAL) FFPE Cell Slide:  Single or Multi-Spot slides

Custom FFPE Slide Configurations

 Typical FFPE Cell Block Preparation Protocol:

  • Fixation: 10% formaldehyde/1xPBS for 24 hours at 24-26°C
  • Section thickness: 5 µm
  • Cell Core: 5.0 mm diameter
  • Cell density:  >75%
  • Slide type: SuperFrosttm Plus

To learn more about our ONCOREFtm FFPE Reference Standards and other diagnostic products, WATCH for our webinar titled "ONCOREF™ Reference Standards: Application of CRISPR/Cas9 to the Generation of Isogenic Cell Lines and Reference Materials".


What is the turnaround time for a Custom FFPE Cell Block?

We usually can prepare a block in 7 working days from 1X 108 cells.  

How do you perform Quality Control (QC) on the FFPE Cell Block?

We usually inspect the cell pellet before embedding it with paraffin wax.  On a periodic basis we prepare sections at 5 microns and stain with H&E and take images to determine uniformity of the cell dispersion.

How do you fix the cells before preparing a FFPE Cell Block?

We typically fix cells in 10% buffered formalin for 24hrs at room temperature.  However, upon request we can fix cells using a custom protocol. Please inquire. 


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