Exosomes from MDA-MB-231, an aggressive, invasive, metastatic human breast cancer cell line

Accelerate your exosome studies with these ready-to-use purified exosomes from the aggressive, invasive, metastatic human breast cancer cell line MDA-MB-231.

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Frozen exosomes (>1×10^10) from MDA-MB-231 Human breast cancer, aggressive/invasive/metastatic cell line

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Frozen exosomes (>1×10^10) from MDA-MB-231 Human breast cancer, aggressive/invasive/metastatic cell line

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50 µg
EXOP-105A-1
$ 368
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Overview

Save time with our ready-to-use purified exosomes

Whether you’re looking for exosome standards, performing functional studies, evaluating biomarkers, or engineering exosomes for therapeutic delivery, you can get your research moving faster with our ready-to-use purified exosomes.

Prepared with quality and care

Like all of our purified exosomes, exosomes isolated from the MDA-MB-231 human breast cancer cell line are carefully manufactured in SBI’s Palo Alto facilities. Starting with cells grown in Exo-FBS (our exosome-depleted FBS) to maximize purity, exosomes are isolated using ExoQuick-TC® and then quality checked by Western blot for the presence of CD63, and NanoSight for particle size and intactness. Provided in amounts > 1 x 106 exosomes (or 50 µg protein equivalent), all of our preps deliver functional exosomes.

  • Highly pure
  • Ready-to-use
  • Well-characterized
  • Fully functional

Available purified exosomes

Cat.#  
Exosomes isolated from cancer cell lines
EXOP-100A-1 MCF-7 Human breast cancer, noninvasive cell line
EXOP-105A-1 MDA-MB-231 Human breast cancer, aggressive/invasive/metastatic cell line
EXOP-115A-1 PC-3 Human prostate cancer cells derived from metastatic cancer cell line
EXOP-120A-1 A549 Human non-small cell lung cancer cell line
EXOP-125A-1 H841 Human small cell lung cancer cell line
EXOP-130A-1 H196 Human small cell lung cancer cell line
EXOP-135A-1 DMS114 Human small cell lung cancer cell line
Exosomes isolated from stem cell lines
EXOP-140A-1 PCS-500-011 Human pre-adipose derived mesenchymal stem cell
EXOP-145A-1 PCS-500-012 Human bone marrow-derived mesenchymal stem cell line
Exosomes isolated from immune-related cell lines
EXOP-150A-1 BC-3 Human B lymphocyte cell line
EXOP-155A-1 Jurkat Clone E6-1 Human T lymphocyte cell line
EXOP-160A-1 JM1 Human T pre-B lymphoblast cell line
EXOP-165A-1 RAWS 264.7 Mouse macrophage cell line
EXOP-200A-1 JAWS II Mouse bone marrow immature dendritic cell line
Exosomes isolated from general cell lines
EXOP-110A-1 HEK293 Human embryonic kidney cell line
XPAK100EX-G XPack-GFP-loaded HEK293 exosomes
Exosomes isolated from biofluid exosomes
EXOP-500A-1 Human pooled serum (healthy donors)
EXOP-510A-1 Human pooled saliva (healthy donors)
EXOP-520A-1 Human pooled urine (healthy donors)
EXOP-530A-1 Human pooled CSF (healthy donors)

Supporting Data

Validated using Western blotting, NanoSight Analysis

All exosome preps are checked for the presence of CD63, a common exosome marker, via Western blotting (Figure 1).

All purified exosomes are checked for the presence of CD63.

Figure 1. All exosome preps contain CD63. Aliquots of purified exosomes from the cell lines and from human serum were lysed with either RIPA or M-PER buffer to make exosome protein lysates. Approximately 20 ug of protein for each sample was separated on a gradient SDS-PAGE and then transferred to nitrocellulose membranes. The membranes were probed for CD63 profiles using SBI’s anti-CD63 antibody (cat# EXOAB-CD63A-1) at a 1:1,000 dilution. Bands were detected using the secondary HRP-conjugated antibody at 1:10,000 and blots imaged. All purified exosome preparations were positive, immunoreactive for CD63 with the expected, variable banding patterns common to published exosome CD63 profiles.

All exosome preps are also subjected to NanoSight Analysis to test for particle size and intactness (Figure 2).All purified exosomes are characterized using NanoSight.All purified exosomes are characterized using NanoSight.

Figure 2. All exosome preps are checked for particle size and intactness via NanoSight. Approximately 5 µl of purified exosomes were added to 995 µl of 0.2 µm filtered 1X PBS (1:200 dilution). The diluted samples were incubated in a VWR 500 model ultrasonicator water bath set at 33°C for 10 minutes to ensure adequate exosome particle dispersion. The samples were diluted 1:10 then vortexed at 2.5k for 10 seconds. This eventual 1:2,000 dilution was used to gather between 1,000 to 3,000 particle tracks per sample analysis. The samples were then loaded into a NanoSight LM10HSB with a syringe pump and the sensitivity of the camera is set to auto 16 (the most sensitive auto-setting). All data were collected in triplicate. The purified exosomes displayed the expected size distribution profiles, with peak diameters from 90 – 110 nm and concentrations in the range expected for media exosomes at about 1 x 1010 exosomes/ml.