A considerable proportion of patients who appear to have resectable NSCLC might be regarded as having systemic disease, which is often undetectable by current tumour staging method. In terms of a marker used for the NSCLC patients who undergo operation, CEA is more suitable than CK19. The CK19-expressing epithelial cells are released intraoperatively into the circulation, meanwhile CEA-expressing tumour cells are disseminated mostly postoperatively. Surgical manipulation could promote the release of tumour cells into the bloodstream, but the ligation of pulmonary vein before the ligation of the pulmonary artery may partly prevent such release during surgery.
Comparing with HE, RT-PCR can make more accurate assessment of metastatic status in LNs, which is helpful for screening the patients in whom the early subclinical metastasis exists and disclosing the intrinsic regulation of malignant metastasis. The presence of DTCs in LNs is an independent factor for prognosis. Molecular detection of DTCs in LNs is a supplement for current tumor staging in lung carcinoma.
Context
Sheng Xue Fang (SXF) has been used to treat anaemia for decades with good efficacy.
Objective
To study the effect and possible mechanism of SXF to restore haematopoietic function.
Materials and methods
Balb/c mice (10 per/group, half male, half female) were treated with SXF (three dose groups, 8.5, 17, and 22.1 g/kg) by gavage for 14 days, and cyclophosphamide (80 mg/kg) was injected on days 10–12. Only injection of cyclophosphamide (negative control) or physiological saline (blank control) were included as controls. The spleen and femur were processed for histopathology. Active components and the target of SXF were screened. The target was used for gene enrichment and protein-protein interaction (PPI) analysis.
Results
Red blood cell relative changes in the SXF group (low: −5.50 ± 1.58%; medium: −11.11 ± 4.15%; high: −8.81 ± 2.67%) and relative negative control (26.21 ± 2.51%) significantly increased (all
p
< 0.01) in female mice. Haemoglobin and red blood cell-specific volume showed the same trend. However, SXF did not have significant effects on male mice. Splenic index in the medium group (4.44 ± 0.46%) relative negative control (3.38 ± 0.10%) significantly improved (
p
< 0.01) in female mice. Using network pharmacology, 77 active components and 337 targets were screened from SXF. These targets are closely related to the mitogen-activated protein kinase pathway.
Conclusions
SXF has good clinical application potential. However, the mechanism requires in-depth research. Our findings are of great significance in anaemia treatment and provide a new perspective for Chinese medicine research.
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