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1.
Chin J Integr Med ; 28(10): 867-871, 2022 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-35508859

RESUMEN

Applying Chinese medicine (CM) is an important strategy for malignant tumor treatment in China. One of the significant characteristics of CM is to treat diseases based on syndrome differentiation. For Western medicine, it is of important clinical significance to formulate guidelines for the diagnosis and treatment of cancer patients based on the characteristics of disease differentiation. In Chinese clinical practice, the combination of disease differentiation and syndrome differentiation is an important feature for cancer treatment in the past. Currently, molecular profiling and genomic analysis-based precision medicine optimizes the anticancer drug design and holds the greatest success in treating cancer patients. Therefore, we want to know which populations of cancer patients can benefit more from CM treatment if the theory of precision medicine is applied to CM clinical practice. So, we developed a novel diagnostic and therapeutic strategy "disease-syndrome differentiation-genomic profiling-prescriptions" for cancer patients by CM syndrome differentiation and precision medicine. As a result, this strategy has greatly enhanced the anti-tumor efficacy of CM and improved clinical outcomes for cancer patients with some gene mutations. Our idea will hopefully establish a novel approach for the inheritance and innovation of CM.


Asunto(s)
Antineoplásicos , Medicamentos Herbarios Chinos , Neoplasias , Medicamentos Herbarios Chinos/uso terapéutico , Humanos , Medicina Tradicional China , Neoplasias/diagnóstico , Neoplasias/genética , Neoplasias/terapia , Medicina de Precisión , Síndrome
2.
Curr Pharm Biotechnol ; 23(6): 861-872, 2022.
Artículo en Inglés | MEDLINE | ID: mdl-34376132

RESUMEN

BACKGROUND: Low-molecular citrus pectin (LCP) is a pectin polysaccharide with low molec-ular weight, low degree of crux, and no branching. It is obtained by degrading natural citrus pectin (CP) through physical, chemical and enzymatic methods. LCP has received considerable attention in recent years due to its potential applications in the medical and biological fields. METHODS: In our previous study, LCP was prepared from CP by using recombinant Bacillus subtilis pectate lyase B. Monosaccharide comparative analysis revealed that the galacturonic acid content of LCP was higher than that of CP. The cell viability effect of LCP was elucidated by using HepG2 cells and the Cell Counting Kit-8 (CCK-8) assay. Terminal deoxynucleotidyl transferase dUTP nick-end labeling (TUNEL) staining, Annexin V-FITC/PI staining, and flow cytometer propidium iodide stain-ing were performed to detect the effects of LCP on apoptosis and cell cycle arrest in HepG2 cells. Mi-tochondrial membrane potential (MMP) was observed through 5,5',6,6'-tetrachloro-1,1',3,3'-tetraethyl-imidacarbocyanine assay. RESULTS & DISCUSSION: The Mw of the prepared LCP was 7.6 kDa, which was significantly lower than that of CP (140 kDa). Cell viability decreased with the increase in the concentration of LCP. The half-inhibitory concentration of 1.46 ± 0.02 mg/mL was determined. Treatment with 1.6 mg/mL LCP in-duced the apoptosis of HepG2 cells with the inhibition rate of 83.10% ± 4.72%, and the cell cycle was arrested in the S phase. Furthermore, the MMP of HepG2 cells decreased with the increase in LCP concentration. CONCLUSION: The enzymatically prepared LCP could inhibit the proliferation of HepG2 cells. This study provided a partial experimental basis and reference for LCP to become a potential functional food for anti-liver cancer.


Asunto(s)
Neoplasias Hepáticas , Apoptosis , Proliferación Celular , Supervivencia Celular , Células Hep G2 , Humanos , Neoplasias Hepáticas/tratamiento farmacológico , Neoplasias Hepáticas/metabolismo , Pectinas/farmacología
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