Serum specificity metabolite spectrum for patient with lung cancer, and building method thereof

A specific, serum-based technology, applied in the field of metabolomics and lung cancer, can solve the problem of less lung cancer and achieve the effect of low cost, high specificity, good specificity and sensitivity

Active Publication Date: 2014-03-05
HUZHOU CENT HOSPITAL
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Benefits of technology

This patented technology allows researches into identifying small molecules that may be associated with certain diseases or conditions like lung disease. These compounds have been identified through various techniques such as liquidchromatography (LC), quadrupolar ion exchange resins, Gas Chromatoxygraphics(GC) scan, and gas microelectrospray spectroscopy (GMS). They also found that these compound patterns were significantly different when comparing them to those seen during routine medical procedures. Overall, this technique offers an efficient way to diagnose pulmonary tuberculosis without causing any harmful side effect.

Problems solved by technology

This patented describes how metabolism plays a crucial role in determining whether pneumoniae colonies develop within 2-5 months postoperational stages due to their rapid growth rates at this point. However, traditional methodologies like histochemistry cannot provide accurate results because these tests require expensive equipment and trained staff. Liquidchromatomy-quantifying metabolite levels provides new opportunities for developing better ways to identify disease earlier than existing methods while reducing invasiveness and cost associated with them.

Method used

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  • Serum specificity metabolite spectrum for patient with lung cancer, and building method thereof
  • Serum specificity metabolite spectrum for patient with lung cancer, and building method thereof
  • Serum specificity metabolite spectrum for patient with lung cancer, and building method thereof

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Embodiment Construction

[0024] The present invention is further described below in conjunction with embodiment.

[0025] 1. Sample collection: collect 5 mL of abdominal blood samples from healthy and normal subjects and lung cancer patients before and 7 days after surgery, put them in sterile coagulation-promoting BD vacuum blood collection tubes, centrifuge at 2500 rpm, 4 ° C for 5 min, take the upper serum, and store in -80 °C refrigerator for use. A total of 30 serum samples were collected in the normal group, and 30 serum samples were collected in each of the lung cancer preoperative and postoperative groups.

[0026] 2 Processing of liquid chromatography-mass spectrometry samples: thaw the cryopreserved serum samples at room temperature and shake well, take 100 μL of samples and add 300 μL of methanol, vortex for 30 s, and stand at 4 °C for 20 min; all samples are refrigerated and centrifuged (12000 rpm, 4 ℃, 15 min), take 200 μL of the supernatant, and transfer it to an injection vial for late...

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Abstract

The invention discloses a serum specificity metabolite spectrum for a patient with a lung cancer and a building method thereof, and particularly discloses a method for carrying out liquid-phase/gas-phase chromatography mass spectrometry metabonomics analysis based on the patient suffering from the lung cancer. The method comprises the following steps: collecting fasting blood samples of a healthy and normal detected person and the patient suffering from the lung cancer 7 days before and after an operation, separating by a chromatogram column after processing; extracting and aligning original data of an instrument after adopting mass spectrometry analysis; building a mathematical model to analyze the metabolites spectrum by adopting multivariable data statistical software; comparing with the difference between an average person with the metabolites spectrum of the patient with the lung cancer, so as to determine the specificity metabolite spectrum. By adopting the method disclosed by the invention, the mutation status of the metabolite of the patient with the lung cancer can be generally and comprehensively reflected, and the serum specificity metabolite spectrum can be applied to early diagnosis of the lung cancer or a beneficial technical support is supplied for prognosis.

Description

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Claims

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Application Information

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Owner HUZHOU CENT HOSPITAL
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