2.Clinical study on irinotecan plus cetuximab in the treatment of advanced colorectal cancer in the elderly
Feng QIU ; Yanjiu YIN ; Lili HU ; Wenjuan ZHONG
Chinese Journal of Geriatrics 2013;32(12):1297-1299
Objective To observe the efficacy and safety of cetuximab chemotherapy combined with irinotecan in the treatment of advanced colorectal in the elderly.Methods 40 irinotecanresistant patients with K-Ras wild type were randomized to cetuximab weekly combined with irinotecan group (group A) and cetuximab biweekly combined with irinotecan group (group B).In group A,cetuximab was given at an initial dose of 400 mg/m2,followed by weekly 250 mg/m2.In group B,cetuximah and irinotecan were given at 500 mg/m2 and 180 mg/m2 respectively every two weeks.Time to progression (TTP),overall survival (OS) and toxicity were compared between the two groups.Results There were no significant differences in objective response rate (RR),disease control rate (DOC),TTP and OS between goup A and group B (30.0% vs.25.0%,60.0% vs.55.0%,5.8 months vs.5.6 months,9.8 months vs.9.5 months,respectively,all P>0.05).Grade 3 or more toxicities including hematological toxicity,gastrointestinal reactions and skin toxicity were found in 2 cases,2 cases and 1 case respectively in group A and 3 cases,1 case and 2 cases respectively in group B.The two groups had no significant differences in toxicities (all P>0.05).Conclusions Cetuximab combined with irinotecan therapy is effective in the treatment of advanced colorectal cancer in elderly irinotecan resistant patients.Cetuximab biweekly regimen is more convenient but has the same efficacy and toxicity as compared with cetuximab weekly regimen.
3.Diagnosis,treatment,and prognostic analysis of thirty-one cases with primary bronchopulmonary carcinoid
Wenjuan ZHONG ; Feng QIU ; Lili HU ; Yanjun YIN ; Zhanmin ZHANG
Chinese Journal of Clinical Oncology 2014;45(11):724-728
Objective:We aimed to explore the clinical features, computed tomography (CT) findings, treatment, and prognosis of bronchopulmonary carcinoid. Methods:Clinical data of 31 patients with primary carcinoid tumor of the lung were retrospectively re-viewed. The prognostic factors were analyzed via Cox univariate and multivariate analyses. Results: Clinical symptoms included coughing or expectoration in 17 of the 31 cases, hemoptysis or blood-stained sputum in 7 cases, and chest pains or shortness of breath in 8 cases. Six cases were asymptomatic. The CT scans showed round or oval nodules with clear boundaries, and enhancement CT scans indicated mild, homogeneous enhancement. Immunohistochemistry results revealed the positive expression rates of synaptophy-sin (Syn), chromogranin A (CgA), and neuron-specific enolase (NSE) were 90.3%(28/31), 87.1%(27/31), and 90.3%(28/31), respec-tively. Therapy and prognosis results were as follows:28 of the total number of patients underwent surgery, among which 3 underwent postoperative adjuvant therapy, 2 received chemotherapy; and only 1 refused treatment. The 1-year overall survival rates were 100%(18/18) and 92.3%(12/13), whereas the 3-year survival rates were 94.4%(17/18) and 69.2%(9/13) in the typical and atypical carcinoid cases, respectively. Cox univariate analysis results revealed that lymphatic metastasis (P=0.02), tissue types (P=0.017), TNM stage (P=0.005), and therapies (P=0.01) were the prognostic factors. Cox multivariate analysis results showed that lymphatic metastasis (P=0.032) and tissue types (P=0.002) were the independent prognostic factors. Conclusion:Compared with other lung cancers, the bron-chopulmonary lung carcinoid has no special clinical manifestation in clinical and radiographic images. The diagnosis was mainly based on histopathology results. Surgery was the main and effective treatment, whereas chemotherapy and radiotherapy showed unsatisfactory results. The overall prognosis was satisfactory. However, the atypical carcinoid was inferior to the typical carcinoid in terms of progno-sis. Pathological typing and lymph node metastasis were significant prognostic factors.
4.Effects of lentivirus-mediated siRNA interference of USP39 on proliferation and migration of mice vascular smooth muscle cell
Shuai HE ; Li YIN ; Wei ZHONG ; Zhibing QIU
Chinese Journal of Biochemical Pharmaceutics 2016;36(6):38-40
Objective To investigate the effect of lentivirus-mediated siRNA interference of USP39 on proliferation and migration of mice vascular smooth muscle cell in vitro.Methods Five siRNAs of siControl, siRNAUSP39-70, siRNAUSP39-71, siRNAUSP39-72 and siRNAUSP39-73 were designed and sythezied,mice VSMCs were infected with the lentivirus for delivering siRNAUSP39-73, and the stably transfected cells were selected by puromycin.The interference efficiency of siRNAUSP39-73 was assessed with Western blot.The effect of USP39 interference on the proliferation of VSMCs was determined by cells counting and MTT assay.Transwell assay was used to detect the migration of VSMCs.Results Recombinant lentiviral vector siRNAUSP39-73 was successfully transfected into mice VSMCs.Comparing with siControl group and Normal group, USP39 protein level of siRNAUSP39-73 VSMCs were decreased(P<0.05), and the proliferation and migration ability were all inhibited(P<0.05).Conclusion Targeted down-regulation of USP39 expression can inhibit the proliferation and migration of mice VSMCs in vitro.
5.Analysis of colonoscopy screening among high risk urban people of colon cancer in Chongqing Nan'an
Zhong WANG ; Zhijun HE ; Minman NING ; Xiaoyan YIN ; Yang LI ; Hui WANG ; Hui QIU ; Zhechuan MEI
Chongqing Medicine 2017;46(22):3108-3110
Objective To understand the screening results and positive lesion situation of colonoscopy screening among high risk urban population of colon cancer in Chongqing Nan'an District to provide a basis for the community heath guidance.Methods The high risk subjects of colon cancer screened according to the item of the Early Diagnosis and Early Treatment of China Urban Cancer and in our center for completing colonoscopy screening during 2013-2016 were collected and analyzed on the positive rates of various lesions.Results A total of 435 subjects were included,141 positive cases were found with the total positive rate of 32.41% (141/435),in which 75 cases were male positive with the positive rate of 47.47% (75/158),and 66 cases were female positive with the positive rate of 23.83 % (66/277),the polyps detective rate was 28.27 % (123/435),tumor-like lesion detective rate was 7.59%(33/435),the adenocarcinoma detection rate was 0.46% (2/435);the total positive rate of male was higher than that of female(x2 =25.669,P<0.01).Conclusion The sequential screening mode in which the high risk population preliminarily screened out by community then performs colonoscopy examination has an important significance for discovering the intestinal tract lesion.
6.Orthogonal experiments on cultivation of Phyllanthus urinaria.
Jun-an FAN ; Yan ZHANG ; Yong-peng XIA ; Zhong-yin QIU
China Journal of Chinese Materia Medica 2006;31(12):969-972
OBJECTIVETo study the growth rules, the output and the influence factors of cultivated Phyllanthus urinaria, and provide basis for standardized cultivation.
METHODOrthogonally designed field experiments with three factors and three levels, comparing the characters of cultivated plants and the wild ones of P. urinaria.
RESULT AND CONCLUSIONUnder the manual planter condition, the characters, such as branching number, single dry weight, single output etc, enhanced enormously, and the increase of single output reaches 3.27 times. The sowing time was the most sensitive factor, which affected the single character and the yield per unit of area, whereas the different levels of sowing thickness and fertilizer also remarkably influenced the output. When the seeds were sowed at the mid-April earlier period, drilling with the 20 cm row spacing, they started to emerge about 1 week later, the growth flush period was from June to August, the growth slowed down in September, and the output per hectare could reach to 5.750 kilograms at harvest in late October.
Fertilizers ; Phyllanthus ; anatomy & histology ; growth & development ; Plants, Medicinal ; anatomy & histology ; growth & development ; Seasons ; Seeds ; growth & development
7.Expression of inductive nitric oxide synthase and vascular endothelial growth factor in colonic carcinoma, and their effects on tumor angiogenesis.
Ping YIN ; Xing-feng QIU ; Zhong-chen LIU
Chinese Journal of Gastrointestinal Surgery 2005;8(6):513-515
OBJECTIVETo investigate the expression of inductive nitric oxide synthase (iNOS) and vascular endothelial growth factor (VEGF), and their relations with clinicopathological parameters in colonic carcinoma.
METHODImmunohistochemistry (streptomycin avidin-biotin peroxidase complex, SP) was used to detect the expression of iNOS, VEGF, collagen IV, FVIII Ag in colonic adenocarcinoma, and micro vessel density (MVD) was counted.
RESULTSThe positive rates of iNOS and VEGF in colonic carcinoma were 76% and 80% respectively. The MVD in iNOS-positive carcinoma and iNOS-negative carcinoma were 37.0+/- 5.7 and 30.5+/- 4.9. The MVD in VEGF-positive carcinoma and VEGF-negative carcinoma were 39.5+/- 8.5 and 30.7+/- 4.4. The expressions of iNOS and VEGF were positively correlated with MVD. The expression of VEGF was correlated with tumor invasion, differentiation and lymph no de metastasis, but not with patients age,sex and histologic type.
CONCLUSIONThe expression of iNOS and VEGF may play a role in the angiogenesis, metastasis and invasion of colonic carcinoma.
Adult ; Aged ; Aged, 80 and over ; Colonic Neoplasms ; metabolism ; pathology ; Female ; Humans ; Lymphatic Metastasis ; Male ; Middle Aged ; Neoplasm Staging ; Neovascularization, Pathologic ; Nitric Oxide Synthase Type II ; metabolism ; Vascular Endothelial Growth Factor A ; metabolism
8.Qualitative and quantitative detection of Poria cocos by near infrared reflectance spectroscopy.
Xiao-huan FU ; Jun-hua HU ; Jia-chun LI ; Yin-hua DING ; Zhen-zhong WANG ; Wei XIAO ; Zhen-qiu ZHANG
China Journal of Chinese Materia Medica 2015;40(2):280-286
OBJECTIVEThe present study is concerning qualitative and quantitative detection of Poria cocos quality based on FT-near infrared (FT-NIR) spectroscopy combined with chemometrics.
METHODThe Poria cocos polysaccharides contents were determined by UV. Transmission mode was used in the collection of NIR spectral samples. The pretreatment method was first derivation and vector normalization. Then principal component analysis (PCA) was used to build classification model and partial least square (PLS) to build the calibration model.
RESULTThe results showed that conventional criteria such as the R, root mean square error of calibration (RMSEC), and the root mean square error of prediction (RMSEP) are 0.944 0, 0.072 1 and 0.076 2, respectively. The misclassified sample is 0 using the qualitative model built by PCA.
CONCLUSIONThe prediction models based on NIR have a better performance with high precision, good stability and adaptability and can be used to predict the polysaccharose content of Poria cocos rapidly, which can provide a fast approach to discriminate the different parts of Poria cocos.
Fungal Polysaccharides ; analysis ; Least-Squares Analysis ; Poria ; chemistry ; Principal Component Analysis ; Spectroscopy, Near-Infrared ; methods
9.Bacteriological Study on the Skin Lesions of Patients with Eczema and Atopic Dermatitis
Zhigang BI ; Meihua TIAN ; Lin LIN ; Ning QIU ; Fei HAO ; Baiyu ZHONG ; Ruofei YIN ; Fanqin ZENG ; Bian ZHAO
Chinese Journal of Dermatology 2003;0(10):-
Objective To study the bacteriological characteristics and the pathogenesis of Staphylococcus aureus (S. aureus) on eczema and atopic dermatitis (AD). Methods A multi-center randomized, double blind bacteriological study on the lesions and non-lesional skin of patients with eczema (207) and AD (119) were carried out. The antibiotic sensitivity and the bacteriophage typing were performed on all the S. aureus isolated from the patients. Results There were statistical differences in the positive rate of the culture, the ratio and the colonization of S. aureus between the lesion and the non-lesional skin in eczema (P
10.Risk factors of the failure in digit replantation.
Fei YIN ; Jing-yi MI ; Yong-jun RUI ; Ya-jun XU ; Qun YAO ; Yang QIU ; Zun-shan KE ; Zhen-zhong SUN
China Journal of Orthopaedics and Traumatology 2015;28(5):429-432
OBJECTIVETo explore the relative factors on the failure in digit replantation in order to take preventions to control the risk factors.
METHODSFrom January 2013 to December 2013, 236 consecutive patients (311 fingers) underwent digit replantation were collected to analyze retrospectively, involving 183 males and 53 females with an average age of 34.5 years old ranging from 2 to 62 years old (6 cases under 6 years old and 230 cases elder than 6 years old). There were 51 thumbs, 87 index fingers, 78 middle fingers, 63 ring fings and 32 little thumbs. Forty cases(forty fings) who were failured as the observation group, the others as the control group. The factors of age, gender, finger, cause of injury, smoking history, ischemia duration, plane of division, condition of venous drainage and condition of arterial repair we assessed.
RESULTSAll 236 cases with 311 fingers were replanted, 40 fingers were failured after operation. The relative factors on the failure in digit replantation included smoking history, cause of injury, plane of division, condition of venous drainage and condition of arterial repair (P< 0.05). There were no significant correlation between the failure and age, gender, finger and ischemia duration (P>0.05).
CONCLUSIONSmoking history, causes of injury, plane of division, condition of venous drainage and condition of arterial repair are risks of failure in digit replantation. Before choosing the type of operation, it should be think about the patient's general conditions, injury status, grasp firmly the operative indications and actively carry out surgical treatment.
Adolescent ; Adult ; Child ; Female ; Finger Injuries ; surgery ; Fingers ; surgery ; Humans ; Male ; Middle Aged ; Reconstructive Surgical Procedures ; Replantation ; Retrospective Studies ; Risk Factors ; Thumb ; injuries ; surgery ; Treatment Failure ; Young Adult