Method for identifying metabolic markers based on heart Yang deficiency syndrome of coronary heart diseases
An identification method and technology for heart-yang deficiency, applied in the field of identification of metabolic markers, can solve the problems of difficult to effectively reveal the relationship between components and therapeutic effects, lack of sufficient sensitivity, etc., and achieve good promotion value, low cost, and pain relief effects.
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specific Embodiment approach 1
[0022] Specific embodiment one: a method for identifying metabolic markers based on coronary heart disease and heart-yang deficiency in this embodiment is specifically prepared according to the following steps:
[0023] Step 1. Using the UPLC-G2-Si-HDMS method to perform UPLC analysis on the serum samples of n groups of healthy subjects and n groups of subjects with coronary heart disease and heart-yang deficiency syndrome to determine the endogenous metabolites in the serum samples;
[0024] Step 2. Use the G2-Si-HDMS method to perform a full scan of endogenous metabolites in positive and negative ion modes to obtain a mass spectrometry metabolic profile; perform pattern recognition and statistical analysis based on the mass spectrometric metabolic profile, and select retention time and mass-to-core ratio Consistent data for identification and determination of endogenous metabolite structures;
[0025] Step 3: Identification of blood metabolic biomarkers in subjects with coro...
specific Embodiment approach 2
[0030] Specific embodiment 2: The difference between this embodiment and specific embodiment 1 is that in step 1, the UPLC-G2-Si-HDMS method is used to test the serum of n groups of healthy subjects and n groups of coronary heart disease subjects with heart-yang deficiency syndrome Samples were analyzed by UPLC to determine the specific process of endogenous metabolites in serum samples as follows:
[0031] The preparation method of blood samples, because the existence of endogenous proteins in blood is likely to cause the decline of the column system, so the purpose of blood sample preparation is mainly to deduct the interference of serum proteins, so that endogenous metabolites can be retained as much as possible, which is convenient for revealing blood The real situation of the metabolome; referring to previous studies, the organic solvent extraction method is the most suitable sample preparation method for plasma metabolomics. : The preparation method of blood samples, bec...
specific Embodiment approach 3
[0032] Specific embodiment three: the difference between this embodiment and specific embodiment one or two is: the UPLC analysis chromatographic conditions: chromatograph: Waters AcquityTM UPLC liquid chromatograph (Waters Science and Technology Co., Ltd., the United States); Chromatographic column: ACQUITY UPLC BEH C18 Column (100mm×2.1mm i.d., 1.7μm) (Waters Group, USA); mobile phase: mobile phase A is 0.1% formic acid acetonitrile, mobile phase B is 0.1% formic acid water; column temperature Preset: 50°C; Preset sample chamber temperature: 4°C; Flow rate: 0.5ml / min; Table 1. Other steps and parameters are the same as those in Embodiment 1 or Embodiment 2.
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