1.Application and challenges of chest CT peritumoral radiomics in the precision diagnosis and treatment of non-small cell lung cancer
Ting WU ; Linyu WU ; Chen GAO ; Xinjing LOU ; Jiawei CHEN ; Jun WU ; Maosheng XU
Chinese Journal of Radiological Medicine and Protection 2024;44(5):443-449
By extracting quantitative radiomic features from regions of interest in medical images and correlating them with the biological features and heterogeneity of tumors, radiomics can provide critical information and a basis for personalized precision diagnosis and treatment. Peritumoral regions contain a wealth of microbiological information. Therefore, chest CT peritumoral radiomics, which can provide quantitative non-invasive assessment for patients with non-small cell lung cancer (NSCLC) by mining the deep heterogeneity of peritumoral regions, has broad prospects for future clinical applications. Given the rapid progress in computer and medical big data techniques, as well as the in-depth efforts in multi-center, high-quality, and large-sample data in the future, it is reasonably believed that radiomics research will be gradually normalized and reproducible. This is conducive to the translation and application of radiomics research to clinical practice, thus laying a foundation for personalized and accurate diagnosis, treatment, and follow-up for lung cancer patients.
2.The core traditional Chinese medicines and mechanism of traditional Chinese medicine enema treatment of chronic kidney disease based on data mining and network pharmacology
Yiming CUI ; Guijun PENG ; Xin HU ; Linyu HE ; Yu WU
Journal of Xi'an Jiaotong University(Medical Sciences) 2022;43(2):286-296
【Objective】 To analyze and mine the prescription rules of traditional Chinese medicine enema treatment of chronic kidney disease (CKD) in CNKI platform journals based on data mining and network pharmacology so as to find high-frequency core Chinese medicines and predict the potential targets of core Chinese medicines and explore the mechanism of action of core Chinese medicines in the treatment of CKD. 【Methods】 Taking CNKI as the data source, we retrieved the clinical literature of traditional Chinese medicine enema in the treatment of CKD. SPSS modeler 18.0 statistical software was used for statistical processing and association rule analysis. IBM SPSS statistics 21 statistical software was used for cluster analysis. BATMAN-TCM and TCMSP were used to retrieve the effective components and related targets of drugs. Genecards, OMIN, Drugbank, DisGenet, TTD, and PharmGkb databases were used to retrieve disease-related targets, and Venny platform was used to screen disease and drug intersection targets. We used STRING database to obtain relevant documents, Cytoscape 3.8.2 software for visual analysis, Metascape database for enrichment analysis, Wechat website to draw bubble diagram, and AutoDockTools-1.5.6 software for molecular docking prediction. 【Results】 We selected 276 effective prescriptions involving 120 traditional Chinese medicines. The frequency of 19 traditional Chinese medicines was more than 10. Totally 18 core drug combinations were obtained. Cluster analysis could be divided into four categories. The visual net-work analysis shows that “rhubarb, dandelion, oyster, Salvia miltiorrhiza and aconite” are highly correlated and occupy the core position. Through the prediction of the potential targets of five core drugs, 659 “drug disease” intersection targets and 173 core targets were obtained, of which “MAPK1, AKT1 and STAT3” are the key targets, “progesterone, neocryptotanshinone Ⅱ and emodin”. It is predicted that it may play a role in “PI3K Akt signal pathway, MAPK signal pathway, JAK-STAT signal pathway”. Molecular docking showed that the key components have good binding activity with key targets. 【Conclusion】 Based on data mining and network pharmacology, traditional Chinese medicine enema treatment of CKD mainly uses rhubarb as the main drug, assisting warming yang to remove blood stasis and turbidity relief drugs. The key components of its core drug can act on PI3K-Akt by regulating key targets such as PIK3R1. Signal pathways and other pathways play a role in providing new ideas for the treatment of this disease with traditional Chinese medicine enema, medication strategies for clinical prescriptions, and a basis for follow-up further research.
3.Inhibitory effects of gallic acid on human esophageal cancer TE- 1 cells in vitro and its mechanism
Hao WU ; Baydolla NURAN ; Linyu LIU ; Yanli REN
China Pharmacy 2022;33(12):1448-1454
OBJECTIVE To in vestigate inhibitory effect s of gallic acid (GA)on human esophageal cancer TE- 1 cells in vitro and its potential mechanism. METHODS The effects of GA on the proliferation of TE- 1 cells were determined by MTT assay after treated with GA for 24 h and 48 h. Cell fluorescence counting (CCK-F)method and inverted fluorescence microscope were used to observe the changes in the number and morphology of TE- 1 cells after treated with GA. The change of cell migration ability was detected by scratch test. The effects of GA on the colony-forming ability of TE- 1 cells were tested by plate colony formation experiment. Cell apoptosis was detected by flow cytometry. Fluorescence probe (DCFH-DA)method was used to observe reactive oxygen species (ROS)production. Western blot assay was used to detect the expression of caspase- 3,caspase-9,Bcl-2,Bcl-2 associated X protein (Bax),cyclin D 1 and cyclin D 3. RESULTS GA significantly reduced the proliferation ability of TE- 1 cells in time and concentration dependent manner. the IC 50 of GA to TE- 1 cells were (281.22±26.81)μmol/L(24 h)and(220.90±31.15) μ mol/L(48 h),respectively. Compared with control group ,the cells in the administration group showed shrinkage ,sparse arrangement and nuclear pyknosis ,and the number of cells decreased significantly. Compared with control group ,the cell migration ability and colony formation ability were decreased significantly in administration groups (P<0.01 or P<0.05). The apoptosis rates of TE- 1 cells were (6.21±0.32)%,(12.59±0.58)% and(15.41±0.41)% after treated with 100,300 and 500 μmol/L GA for 24 h,all of which were significantly higher than (5.29±0.28)% of control group (P<0.01 or P<0.05). Except for GA 100 μmol/L group,the level of ROS in other administration groups were significantly increased (P<0.01 or P<0.05). Compared with control group,the expressions of Bcl- 2(only GA 200 μmol/L group),Bax(except for GA 100 μmol/L),caspase-3 and caspase- 9(except for GA 100 μmol/L)were increased significantly (P<0.01 or P<0.05),while the protein expressions of Bcl- 2(except GA 100, 200 μmol/L group),cyclin D 1 and cyclin D 3 were significantly decreased (P<0.01 or P<0.05). CONCLUSIONS GA can inhibit the proliferation of esophageal cancer TE- 1 cells, E-mail:1209364115@qq.com restrict their migration ability and colony-forming ability ,and promote apoptosis. The mechanism may be related to the increase of ROS level ,up-regulation of the expressions of pro-apoptotic proteins caspase- 3,caspase-9 and Bax ,and down-regulation of the expressions of anti-apoptotic protein Bcl- 2,cyclin D1 and cyclin D 3.
4.Clinical analysis of extraperitoneal laparoscopic radical prostatectomy
Yi'ao TAN ; Linyu ZHOU ; Hao CHEN ; Jun XIAO ; Qiang XUAN ; Shaoshan WU ;
Clinical Medicine of China 2015;31(11):1032-1034
Objective To evaluate the feasibility and the clinical value of extraperitoneal laparoscopic radical prostatectomy in treatment of localized prostate cancer.Methods Clinical data of 26 patients with localized prostate cancer treated with extraperitoneal laparoscopic radical prostatectomy were analyzed retrospectively.All patients were pathologic diagnosed with prostate cancer by preoperative prostate biopsy or transurethral resection of prostate surgery.Gleason grade was from 6-8.Results Twenty-six operations were successfully accomplished ,without converting to open approach.The operative time was 120-270 min(mean was 165 min) ,the intraoperative blood loss was 180-650 ml (mean was 320 ml) ,indwelling catheter time 12-19 d (mean was 14 d).There were 6 cases with little uroclepsia, satisfactory with urination after contract urethral sphincter for 1-3 Months.Pathologically confirmed all prostate cancer;2 cases of positive margins after surgery plus endocrine therapy.All the cases were followed up from 2 to 36 months.The biochemical recurrence was 5 cases who had undergone endocrine therapy.Conclusion Extraperitoneal laparoscopic radical prostatectomy is a safe and feasible procedure with little trauma, small bleeding and fast recovery which is well worth popularizing.Replace open surgery may become frist choice therapeutic method for localized prostate cancer.
5.The cytotoxic effects of IL-2 combined with different dosages of sorafenib on renal cellular carcinoma
Benhe WU ; Yiao TAN ; Lingfeng SUN ; Shuhan LIU ; Linyu ZHOU
The Journal of Practical Medicine 2014;(19):3049-3052
Objective To investigate the cytotoxic effects of IL-2 combined with different dosages of sorafenib on renal cellular carcinoma cell line 786-0. Methods Renal carcinoma cell 786-0 was cultured. Then , IL-2 (20 μmol/L) combined with different dosages of sorafenib (6.9, 13.8, 20.8 μmol/L) were used to treat tumor cell 786-0. The inhibitory effect on cell proliferation was determined by MTT assay. Cell apoptosis was measured by Annexin V-FITC kit. The tumor-bearing mice models were established and divided into four groups. Results The tumor cell growth was inhibited with the time-course correlation in all groups. In the 48-hour high doses group, the inhibitory rate was up to (74.67±1.87) %. The rates of cell proliferation inhibition and cell apoptosis were higher in the high dosages group than those in the other groups. Conclusions Immunotherapy combined with target therapy could significantly inhibit the growth of renal cellular carcinoma. But we should find a proper dosage, which could improve the clinical effect and reduce the adverse effect.
6.Clinical observation of comprehensive treatment for type Ⅲ A prostatitis
Yiao TAN ; Linyu ZHOU ; Jiewu SHI ; Yuping ZHU ; Hongbin SONG ; Wei WU ; Kun HUANG
Clinical Medicine of China 2011;27(3):312-314
Objective To study the efficacy of comprehensive treatment for type ⅢA prostatitis.Methods One hundred and eighty-four patients with type Ⅲ A prostatitis, recruited to this study, were comprehensively treated for 8 - 12 weeks by oral antibiotics and α-1 receptor antagonist,indometacin suppository applied into rectal, prostate massage and psychological counseling. The clinical effects of the treatment were evaluated according to the NIH chronic prostatitis symptom index (NIH-CPSI) and leukocyte counts in the expressed prostatic secretions ( EPS ). Results Before and after the treatment, the NIH-CPSI scores were 28. 6 ± 6. 5 and 12. 9 ± 3. 8 ( t = 28. 3, P < 0. 05 ); the pain or discomfort scores were 14. 1 ± 3. 3 and 6. 4 ± 2.2( t = 26. 3, P < 0. 05 ), the urinary symptoms scores were 5.6 ± 1.8 and 2. 1 ± 0. 9 ( t = 23.6, P < 0. 05 ), the scores of life quality were 8.9 ± 3. 1 and 4. 4 ± 2.4 ( t = 15.6, P < 0. 05 ), the leukocyte counts were ( 24. 5 ±4. 4)/HP and ( 6. 2 ± 2. 7 )/HP ( t = 48.1, P < 0. 05 ) respectively, all comparisons showed significantly differences. Seventy-nine cases recovered completely, 57 cases recovered excellently, 36 cases recovered effectively and 12 cases did not recover, the overall effective rate was 93.5%. Conclusion Comprehensive treatment is an effective method for type Ⅲ A prostatitis.
7.Comparison of Retroperitoneal Laparoscopy and Open Pyeloplasty for Ureteropelvic Junction Obstruction
Tao HUANG ; Linyu ZHOU ; Kui WU
Chinese Journal of Minimally Invasive Surgery 2005;0(10):-
Objective To compare the efficacy of retroperitoneal laparoscopy with open pyeloplasty for ureteropelvic junction obstruction(UPJO).Methods Retroperitoneal laparoscopy was performed under general anesthesia with the patients placed in lateral position.Three trocars were inserted at the midaxillary line above the iliac crest,and the pre- and post-axillary lines beneath the 12th rib.A fourth port was placed at the preaxillary line above the iliac crest.Over the medial margin of the psoas major,Gerota’s fascia was opened to expose the ureter.And then,the tissues around the ureter were cut to show the lower pole of the kidney.Afterwards,the redundant renal pelvis and the strictured segment of the ureter were resected,pelvi-ureteric anastomosis was completed with absorbable sutures,and a double-J stent was inserted.Open pyeloplasty was also carried out under general anesthesia with the patients in lateral position.An incision was made beneath the 12th rib to expose the ureteropelvic junction,and then the renal pelvis was cut at 2 cm away from the renal parenchyma,and the strictured segment of the ureter was resected.Double-J stent was indwelled after pelvi-ureteric anastomosis.The patient was placed in a lateral position under general anesthesia or epidural anesthesia.Subcostal incision was made.The lower pole of the kidney,the dilated renal pelvis and the upper ureter were mobilized in front of the psoas major.Cut the pelvis 2 cm away from the parenchyma and the PUJ was dismembered.The pelvi-ureteric anastomosis was completed with absorbable sutures and then a D-J stent was inserted.Results Compared with the open surgery group,the laparoscopy group experienced significantly longer operation time [(156.9?69.2) min vs(111.9?78.1) min,t=2.514,P=0.014],but less blood loss [mean:35(20-70)ml vs 110(60-175)ml,t=7.502,P=0.000],and shorter analgesic treatment and postoperative hospital stay [(0.7?0.3) d and(8.5?6.1) d vs(1.3?0.5) d and(15.5?10.8) d;t=-5.842,and -3.193;P=0.000 was found and 0.002].No significant difference in the occurrence of postoperative complications and hydronephrosis between the 2 groups was found [laparoscopy vs open surgery:urinary leakage:3 cases vs 3 cases,?2=0.000,P=1.000;incisional infection:0 vs 1,?2=0.000,P=1.000;and recurrence of UPJO:1 vs 0,?2=0.000,P=1.000;hydronephrosis:?2=5.192,P=0.182].Conclusions The efficacy of retroperitoneal laparoscopic pyeloplasty is comparable to open surgery.The procedure results in less blood loss and quicker recovery.
8.The effect of batroxobin on atherosclerosis.
Juan HUANG ; Dong ZHOU ; Linyu TIAN ; Hongtao WU ; Jie ZHANG ; Shangfu ZHANG ; Huaiqing CHEN
Journal of Biomedical Engineering 2003;20(2):197-201
To study the effect of batroxobin(DF-521) on atherosclerosis, we divided 50 Japanese big ear rabbits into control group and high-lipid group. After the atherosclerosis model was successfully established, the high-lipid rabbits were divided into 3 groups(placebo group, treatment group 1 and treatment group 2). Batroxobin was injected in the treatment groups, and saline was injected in placebo group and control group. Getting the aorta before, inter and after treatment, dyeing the lipid, endothelium, smooth muscle, collagen fibers of the vascular plaque(the elastic fibers are of autofluorescence), we observed them with the light microscope and laser scanning confocal microscope. From the results, we found that the atherosclerotic plaque in the treatment groups, tended to be static four weeks later, but there was no obvious difference between treatment group 1 and treatment group 2. These implied that batroxobin possessed the action of stabilizing the atherosclerotic plaque, but the dosage-effect was not clear and the principle needed more study.
Animals
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Arteriosclerosis
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drug therapy
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pathology
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Batroxobin
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therapeutic use
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Disease Models, Animal
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Female
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Fibrinolytic Agents
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therapeutic use
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Male
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Rabbits

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