Intended use
This CEA FIA RAPID Test is developed for the in vitro qualitative detection of CEA in human serum, plasma,and performed on self-developed LYOFIA® platform.
It is for in vitro diagnostic use only,not for self-testing of untrained individuals.
Summary
CEA,carcinoembryonic antigen, is a tumor-associated antigen first extracted from colon cancer and embryonic tissue by Gold and Freedman in 1965. It is an acidic glycoprotein with human embryonic antigen properties and is present on the surface of cancer cells differentiated from endoderm cells. Structural proteins of cell membranes. It is formed in the cytoplasm, secreted out of the cell through the cell membrane, and then into the surrounding body fluids. Therefore, it can be detected in various body fluids and excretions such as serum, cerebrospinal fluid, breast milk, gastric juice, thoracic and ascites fluid, urine, and feces.
CEA is carcinoembryonic antigen, a tumor marker that has important reference value in the differential diagnosis of malignant tumors and disease monitoring. Carcinoembryonic antigen is a soluble glycoprotein first discovered in adult colon cancer. Generally, the CEA concentration in healthy adults does not exceed 2.5 μg/L.
Why Test CEA?
CEA is mainly used to assist in the diagnosis of gastrointestinal tumors.
Serum CEA levels are significantly elevated in patients with colorectal cancer, gastric cancer, or bile duct cancer.
Auxiliary diagnose malignant tumors.
If the CEA FIA Rapid Test shows the level of CEA is more than 10 μg/L, it indicates the possibility of malignant tumors, and further examination should be performed to confirm whether there is malignant tumors. However, CEA is not a specific marker of malignant tumors and has only auxiliary value in diagnosis.
Observe the efficacy of tumor treatment.
If the concentration of CEA decreases with treatment, it means that the treatment is effective. However, if the CEA concentration remains unchanged or even increases during treatment, the treatment plan needs to be changed. After tumor resection and surgical treatment, if the CEA concentration is found to be elevated, it may indicate the possibility of recurrence, and further examination and diagnosis should be made in a timely manner.
Advantage
- Accurate
The CV. of Repeatability and within-laboratory imprecision is no more than 10%,the CV. of inter-lot imprecision is no more than 15%.
· Fast
The CEA FIA RAPID Testdetects the amount of NS1 antigen in serum, plasma and whole blood samples within just 10 minutes.
· Easy to use
Without the use of cumbersome laboratory equipment,but just requiring minimally trained laboratory personnel.
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