ExoQuick-TC PLUS

Clean and efficient exosome isolation from cell culture media and other biofluids—cleaner and faster than ultracentrifugation, ideal for sensitive applications.

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ExoQuick-TC PLUS Exosome Purification Kit – Tissue Culture Media

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ExoQuick-TC PLUS Exosome Purification Kit – Tissue Culture Media

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10 Reactions
EQPL10TC-1
$ 475
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Overview

We have recently released our most advanced EV isolation system to-date—ExoQuick-TC ULTRA—unmatched combination of yield, purity, ease of use, and cost. Learn more.

 

Quick and efficient exosome isolation for sensitive applications

While the ExoQuick® family of reagents speed-up and simplify exosome isolation and are compatible with most downstream uses, some applications are especially sensitive to carry-over of non-exosomal proteins—applications such as mass spectrometry, Western blotting of low abundance markers, exosome labeling, and in vivo/ex vivo exosome delivery. Which is why SBI offers ExoQuick PLUS.

Less is more—ExoQuick PLUS and ExoQuick-TC PLUS for when you need an extra level of confidence:

  • Better—delivers as much as 150-fold higher yields than ultracentrifugation-based methods
  • Cleaner—dramatically reduces the amount of carry-over protein compared to other column- or precipitation-based kits, and even ultracentrifugation-based methods
  • Powerful—detects biomarkers with as much as a 3-fold increase in sensitivity
  • Fast—takes less than 10 minutes of hands-on-time after initial ExoQuick isolation

Building on our popular ExoQuick family of products, ExoQuick-TC PLUS delivers dramatically reduced albumin contamination in serum/plasma preparations compared to ultracentrifugation-based isolation methods, and considerably less carryover protein compared to other exosome isolation kits. Even better, isolation with the ExoQuick PLUS family of products results in much higher yields than isolation with ultracentrifugation—as much as 150-fold higher.

With a simple treatment of our ready-to-use, customized ExoQuick PLUS Microspheres (kits contain enough ExoQuick-TC and pre-packed Microspheres for 10 reactions*), you can obtain highly pure, intact exosomes suitable for a variety of protein-sensitive applications. Total hands-on time after ExoQuick-TC isolation is less than 10 minutes!

*For exosome isolation from serum or plasma, one reaction is defined as 250 µL of serum or plasma. For exosome isolation from tissue culture media, one reaction is defined as 5 mL of media.

The ExoQuick PLUS and ExoQuick-TC PLUS workflow is faster and easier than ultracentrifugation

Learn more about ExoQuick—click here.

Choose the right ExoQuick for your application:

Application Product Catalog #
Purest EV isolation ExoQuick ULTRA and
ExoQuick-TC ULTRA
EQULTRA-20A-1
EQULTRA-20TC-1
General purpose EV isolation ExoQuick and
ExoQuick-TC
EXOQ20A-1
EXOTC50A-1
EV isolation for pre-clinical/in vivo studies ExoQuick-CG EXOCG50A-1
EV isolation that removes contaminating lipoprotein particles from plasma or serum ExoQuick-LP EXOLP5A-1
EV isolation that includes a de-fibrinating plasma step prior to isolation ExoQuick Plasma Prep with Thrombin EXOQ5TM-1

How It Works

High-throughput, quantitative exosome recovery

ExoQuick-TC PLUS can be used to purify exosomes from tissue culture media1, plus several biofluids, including saliva2, urine3, follicular fluid4, and breast milk5. With a simple workflow involving minimal hands-on time and low input sample volume requirements, ExoQuick-TC PLUS is an excellent option for researchers who need to purify multiple exosome samples and/or samples from small animal models or clinical research samples that will then be used in sensitive downstream applications.

To isolate exosomes from cell culture media, simply:

  • Add an appropriate volume of ExoQuick-TC PLUS to as little as 100 µl sample
  • Incubate for at least one hour at 4°C
  • Pellet exosomes with a 30-minute low-speed spin (1500g)
  • Resuspend pellet, add ExoQuick PLUS Microspheres, and incubate for 10 minutes at 4°C
  • Remove microspheres with a 30-minute low-speed spin (1500g)

ExoQuick-TC PLUS-isolated exosomes can be found in the supernatant.

A fast workflow for exosomes that are cleaner than when prepared using ultracentrifugation

You can verify the presence of exosomes with a number of different methods, including Western blotting for general exosome markers (CD63, CD9, CD81, and HSP70), Nanoparticle Tracking Analysis (NTA), or EM (learn about different ways to detect exosomes and more in our Exosome Basics Guide).

REFERENCES

  1. Zhu L, et al. Novel method for extracting exosomes of hepatocellular carcinoma cells. World J Gastroenterol. 2014 June 7. 20(21): 6651-6657. PMCID: PMC4047354.
  2. Yang J, et al. Detection of Tumor Cell-Specific mRNA and Protein in Exosome-Like Microvesicles from Blood and Saliva. PLoS ONE. 2014. 9(11): e110641. PMCID: PMC 4232306.
  3. Alvarez ML. Isolation of urinary exosomes for RNA biomarker discovery using a simple, fast, and highly scalable method. Methods Mol Biol. 2014. 1182:145-70. PMID: 25055908.
  4. Sohel MM, et al. Exosomal and Non-Exosomal Transport of Extra-Cellular microRNAs in Follicular Fluid: Implications for Bovine Oocyte Developmental Competence. PLoS One. 2013 Nov 4. 8(11):e78505. PMCID: PMC3817212.
  5. Gu Y, et al. Lactation-Related MicroRNA Expression Profiles of Porcine Breast Milk Exosomes. PLoS ONE. 2012. 7(8): e43691. PMCID: PMC3427246.

Supporting Data

Taking efficient exosome isolation to a whole new level of quality

ExoQuick PLUS and ExoQuick-TC PLUS provide efficient exosome isolation with reduced protein carry-over, resulting in isolated exosomes suitable for most sensitive downstream applications.

 
ExoQuick PLUS

ExoQuick Plus delivers dramatically less contaminating albumin than ultracentrifugation-based isolation methods

Figure 1. Exosomes isolated using ExoQuick PLUS show dramatically less albumin than when isolated by ultracentrifugation. Western blots of exosomes isolated from 500 µl of pooled human serum using either ExoQuick PLUS (left lane) or ultracentrifugation (right lane). 1.5 µg of total protein was loaded in each lane. The Western blot was probed with antibodies to CD9, an exosome-specific marker, and antibodies to two proteins typically found in high abundance in serum—IgG and albumin.

ExoQuick Plus delivers less carryover protein than other isolation kits

Figure 2. ExoQuick PLUS exosome isolation results in samples with less protein carry-over than competitors’ products. For each lane, 2.5 µg of total protein was loaded. A. Western blot probing for serum albumin, IgG, and the exosome-specific tetraspanin marker CD9 shows higher CD9:IgG and CD9:albumin ratios in the ExoQuick PLUS lane than in the competitors’ lanes. B. Ponceau staining to assess total serum protein abundance shows the least amount of carry-over protein in the ExoQuick PLUS lane.

 ExoQuick Plus delivers higher yields of exosomes than other isolation methods

Figure 3. Exosome isolation from serum with ExoQuick PLUS results in a higher particle:protein ratio than competitors’ products, indicating less protein carry-over. The particle:protein ratio is a measure of relative protein carry-over, with a higher ratio indicating less protein carry-over. Particle numbers were generated using NanoSight NTA analysis, and carry-over protein concentrations were measured using a BCA assay.

ExoQuick-TC PLUSExoQuick-TC PLUS delivers cleaner exosome preps than other kits

Figure 4. Exosomes isolated from bovine-exosome depleted media (Exo-FBS) using ExoQuick-TC PLUS show reduced protein carry-over compared to exosomes isolated using Company CGS’s product. For each lane, 5 µg of total protein was loaded. After running the gel, total protein was detected using colloidal blue staining. Data courtesy of Richard J. Jones, PhD., MD Anderson Cancer Center.

ExoQuick-TC PLUS delivers cleaner exosome preps with the expected particle size

Figure 5. Exosome isolation with ExoQuick-TC PLUS results in cleaner preparations. ZetaView particle size analysis of exosomes isolated from cultured RPMI 8226 cells using either ExoQuick-TC PLUS (left panel) or a competitor’s kit (right panel). The red double arrow in the left panel indicates a broad shoulder of particles too small to be exosomes (< 50 nm in diameter) which are likely to be undesirable protein aggregates. These contaminants are not present in the exosomes isolated using ExoQuick-TC PLUS (red double arrow indicates the same particle diameter range as in the right panel). Data courtesy of Richard J. Jones, PhD., MD Anderson Cancer Center.


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