The wholly intact and viable CTCs isolated using our ClearCell® FX1 System are collected in a liquid suspension and can be transferred to various formats, such as glass slides and microtiter plates, for easy integration with routine pathology laboratory workflows. The potential downstream applications of the CTCs isolated using our ClearCell® FX1 System include the following:



Fluorescently-labelled antibodies specific to CTCs and leukocytes can be used to identify and enumerate CTCs or detect cancer-specific biomarkers.

CTC counts provide prognostic information, particularly, the metastatic aggressiveness of the tumour. An increase in CTC counts may suggest tumour relapse after therapeutic intervention.

Fluorescent in situ hybridization (FISH)

CTCs isolated using our ClearCell® FX1 System can be analysed using fluorescent in situ hybridisation ("FISH"), a technique that allows pathologists to identify chromosomal abnormalities in cells, including gene translocation, amplification and deletions.

In a FISH assay, fluorescent probes (labelled fragments of DNA or RNA) that bind to specific nucleotide sequences in chromosomes are applied to the CTCs. The presence or absence of specific nucleotide sequences is detected by noting the location and counts of fluorescent dots after the probes have been applied.

FISH can be used to detect ALK gene rearrangement in lung cancer patients and HER2 gene amplification in breast cancer patients, in order to help physicians identify patients that are suitable for ALK and HER2 targeted drug therapies (for example, the drug Crizotinib targets ALK in lung cancer patients and the drug Trastuzumab targets HER2 in breast cancer patients).

Genetic Analysis

Genetic Analysis

Gene mutations and aberrant gene expression are commonly found in cancer cells.

Some cancer mutations are drug-actionable targets that can be used to select effective treatment strategies. An example would be the detection of BRAF V600E mutation in melanoma (skin cancer) patients, which can be targeted by the drug Vemurafenib.

In vitro or in vivo tumour models

As the CTCs isolated using our ClearCell® FX1 System have high integrity and viability, they can be cultured in vitro for cancer R&D of novel therapeutics.

In addition, CTCs can be implanted into animal models (patient-derived xenografts) that can be used to screen for suitable drugs by monitoring tumour size and spread in the host animal.

In vitro or in vivo tumour models
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