1.Lymphangiogenic factors in tumor lymphangiogenesis
International Journal of Surgery 2009;36(4):275-278
Nodus lymphatic metabasis is an important index for tumor stage and a prognosis, while lymphatic vessel formation plays an important role in pathologic state. Many scholars demonstrated gradually the position of the lymphatic vessel factom and their receptors in the tumor metastases because of the findings of lymph vessel e-ndothelial tissue markers and the establishment of model for lymph vessel formation. Lymphangiogenic factors are gradually becomeing the focus in the studies of tumor lymp-hatic metastasis and cancer treatment of cancer.
2.Food intake and its effect on the species and abundance of intestinal flora in colorectal cancer and healthy individuals
Weitao SHEN ; Jiayu SUN ; Zhiyang LI ; Fen YAO ; Kaihuang LIN ; Xiaoyang JIAO
The Korean Journal of Internal Medicine 2021;36(3):568-583
Background:
/Aim: It is known that an imbalance in the intestinal f lora plays a crucial role in colorectal cancer (CRC), but the effect of food consumption patterns on the types of intestinal flora remains to be clarified. We aimed to analyze the associations between food intake and intestinal flora in healthy and CRC individuals.
Methods:
Food intake data were recorded using the Food Frequency Questionnaire (FFQ). The composition and diversity of the intestinal flora detected by 16S rRNA gene sequencing, and the data were analyzed by R version 3.1.1 software.
Results:
Higher intake of red meat or pickled foods, and lower intake of white meat, fruits, vegetables, beans, nuts were found in the CRC group compared with the healthy group. Higher levels of Fusobacteria and Proteobacteria, and lower levels of Firmicutes were observed in the CRC group. Partial correlation analysis revealed that the intake of fruits, beans, and nuts was negatively correlated with Proteobacteria and Fusobacteria, but pickled food was positively correlated with Fusobacteria (p < 0.05). Fish, beans, and nuts intake was negatively correlated with Escherichia (p = 0.01). Multiple regression analysis revealed that vegetable oil (odds ratio [OR], 0.26; 95% confidence interval [CI], 0.13 to 0.82), vegetables (OR, 0.26; 95% CI, 0.10 to 0.64), eggs (OR, 0.26; 95% CI, 0.10 to 0.69), pickled foods (OR, 21.02; 95% CI, 6.02 to 73.45), and red meat (OR, 4.23; 95% CI, 1.68 to 10.60) had an impact on CRC risk.
Conclusions
The species and abundance of intestinal flora varies between CRC and healthy individuals and may be affected by their food preference.
3.Food intake and its effect on the species and abundance of intestinal flora in colorectal cancer and healthy individuals
Weitao SHEN ; Jiayu SUN ; Zhiyang LI ; Fen YAO ; Kaihuang LIN ; Xiaoyang JIAO
The Korean Journal of Internal Medicine 2021;36(3):568-583
Background:
/Aim: It is known that an imbalance in the intestinal f lora plays a crucial role in colorectal cancer (CRC), but the effect of food consumption patterns on the types of intestinal flora remains to be clarified. We aimed to analyze the associations between food intake and intestinal flora in healthy and CRC individuals.
Methods:
Food intake data were recorded using the Food Frequency Questionnaire (FFQ). The composition and diversity of the intestinal flora detected by 16S rRNA gene sequencing, and the data were analyzed by R version 3.1.1 software.
Results:
Higher intake of red meat or pickled foods, and lower intake of white meat, fruits, vegetables, beans, nuts were found in the CRC group compared with the healthy group. Higher levels of Fusobacteria and Proteobacteria, and lower levels of Firmicutes were observed in the CRC group. Partial correlation analysis revealed that the intake of fruits, beans, and nuts was negatively correlated with Proteobacteria and Fusobacteria, but pickled food was positively correlated with Fusobacteria (p < 0.05). Fish, beans, and nuts intake was negatively correlated with Escherichia (p = 0.01). Multiple regression analysis revealed that vegetable oil (odds ratio [OR], 0.26; 95% confidence interval [CI], 0.13 to 0.82), vegetables (OR, 0.26; 95% CI, 0.10 to 0.64), eggs (OR, 0.26; 95% CI, 0.10 to 0.69), pickled foods (OR, 21.02; 95% CI, 6.02 to 73.45), and red meat (OR, 4.23; 95% CI, 1.68 to 10.60) had an impact on CRC risk.
Conclusions
The species and abundance of intestinal flora varies between CRC and healthy individuals and may be affected by their food preference.