1.CT-guided Interstitial Implantation of ~(125)I Seeds for Metastatic Lung Carcinoma
Guangjun ZHENG ; Shude CHAI ; Yuquan MAO
Chinese Journal of Minimally Invasive Surgery 2001;0(02):-
Objective To evaluate the short-term effect of CT-guided interstitial implantation of 125I seeds for metastatic lung carcinoma. Methods A total of 82 patients with 126 metastatic lung tumors were treated with CT-guided percutaneous interstitial implantation of 125I seeds at a dose of 80 Gy. Six months after the treatment, the change of tumor volume was observed by using CT scan. The patients were followed up for 2 years. Results The mean radioactive dose was (159.3?34.5) Gy, and the median dose was (118.6?33.2) Gy. Six months after the treatment, CT scan showed a CR of 25.4% (32/126), PR 64.3% (81/126), NC 6.3% (8/126), PD 4.0% (5/126), and CR+PR 89.7% (113/126). Twelve patients showed pneumothorax and 41 had hemoptysis. During the follow-up, 11 patients (6 cases of malignant fibrous histiotoma, 3 cases of lung cancer, 1 rectal carcinoma, and 1 liver carcinoma) died within 8-12 months after the surgery. Fifteen patients (4 cases of malignant fibrous histiotoma, 4 lung cancer, 4 ovarian cancer, 2 multiple myeloma, and 1 uterine leiomyosarcoma) died within 13-24 months after the implantation. The 1-and 2-year survival rates were 86.6% (71/82) and 68.3% (56/82) respectively. Conclusion CT-guided percutaneous interstitial implantation of 125I seeds is effective for lung metastatic carcinoma.
2.Short-term Efficacy of Interstitial Implantation of ~(125)I Seeds Combined with Chemotherapy for Advanced Lung Cancer
Guangjun ZHENG ; Shude CHAI ; Yuquan MAO
Chinese Journal of Minimally Invasive Surgery 2001;0(02):-
Objective To evaluate the short-term efficacy of interstitial implantation of 125I seeds by using flexible fiberoptic bronchoscope (FFB) guided by CT for advanced non-small cell lung cancer (NSCLC). Methods A total of 185 patients with NSCLC, who were diagnosed clinically and pathologically, were enrolled into this study and divided into two groups. In 125I seeds group (n=121), the patients received interstitial implantation of 125I combined with NP regimen (NVB+DDP) chemotherapy with a prescribed dose (PD) of 80 Gy. Among the patients, the implantation was guided by CT in 89, and was performed directly under a FFB in 32. In control group (n=64), NP regimen (NVB+DDP) chemotherapy was used. Six months after the treatments, the tumor volume in the two groups was measured by using CT and FFB. The outcomes of the 2 groups were compared, and the efficacy of the treatments was evaluated according to the international standards. Results In the 125I seeds group, the mean radiation dose was 153.7 Gy, matched peripheral dose (MPD) was 89.6 Gy, and D90 was 93.5 Gy. Six months after the treatment, the effectiveness rate (CR+PR) was 95.0% (115/121), and 1-year survival rate was 0.90. In the control group, the effectiveness rate was 42.2% (27/64), and 1-year survival rate was 0.65. There existed significant difference between the two groups (log-rank test, ?2=5.12, Prob=0.04
4.The clinical analysis of patients aged ≥ 80 years with hospital infection of mycotic pneumonia
Chun ZHOU ; Yuquan WU ; Jinpeng ZHANG ; Yun ZHENG ; Xiaojun LU
Chinese Journal of Geriatrics 2012;31(9):771-773
Objective To analyze the clinical characteristics of hospital acquired mycotic pneumonia in elderly patients (aged≥ 80 years).Methods The clinical data were reviewed on 64 cases of elderly patients aged 80-93 years with hospital-acquired infection of mycotic pneumonia from June 2007 to July 2011.According to the results of sputum culture,therapy plan was made and antibiotic drugs were selected.Results Among these 64 patients,Candida mycoderma (62.5 %,40 cases) occupied the first place and C.glabrata (20.3%,13 cases) was the second place (x2 =127.50,P<0.01).Their chest x-ray or CT films were not characteristic,but lamellar shadows (68.8%,44cases) and cotton-like shadows (40.6 %,26 cases) were found in the majority.60 cases (93.8 % ) of these patients had more than 3 complications,and 58 cases (90.6%) of them took over 2 kinds of antibiotics.The improvement rate of these patients was 81.3% (52 cases)and mortality rate was 18.8%(12 cases).Conclusions Elderly patients (aged≥ 80 years) with hospital acquired infection of mycotic pneumonia have high incidence and mortality rate.The key point to cure is to make an early diagnosis and treat them as early as possible.
5.Tumor size and prognosis in patients with early gastric carcinoma
Yuquan XIE ; Zhaoxu ZHENG ; Qiang FENG ; Yi FANG ; Xinghua YUAN
Chinese Journal of General Surgery 2009;24(2):122-124
Objective To investigate the prognostic factors of EGC patients,especially the relationship between prognosis and tumor size.Methods Clinical data of 119 EGC cases from 1998 to 2002 were analyzed retrospectively.Results The overall 5-year survival rate was 90.9%.and the survival rate of patients with tumor D<2 cm.2 cm≤D<4 cm and D≥4 cm respectively was 100%,92.0%and 80.8%(P=0.024).In this group,tumor stage,lymph node metastasis and tumor invasion depth did not affect the survival statistically.There was no correlation between tumor size and other prognostic factors.Conclusion Tumor size is an independent prognostic factor of patients with EGC,which may have some relevance to the surgical approach of EGC.
6.Effects of intraabdominal administration of pseudomonas acerug vaccine on cytoimmunity in advanced gastric cancer patients
Zhaoxu ZHENG ; Qiang FENG ; Quan XU ; Yuquan XIE ; Jianming LIANG ; Xinghua YUAN
Chinese Journal of General Surgery 2012;27(5):377-380
ObjectiveTo evaluate the safety and effects of pseudomonas aerug PA-MSHA vaccine on cytoimmunity in advanced gastric cancer patients. MethodsSeventy two patients with advanced gastric cancer were randomly divided into experimental group and control group. Tumor bed was treated intraoperatively by pseudomonas vaccine injection in experimental group.The venous bloods were sampled prior to surgery (preoperative) and on days 10,20,and 30 postoperatively.The total lymphocyte count and lymphocyte subpopulations were detected while the postoperative complications and adverse drug reaction were observed,prognosis was evaluated. ResultsThe total lymphocyte count(P =0.042) and the counts ofCD3+ lymphocyte(P =0.027) and NK cell increased (P =0.012) obviously in experimental group.CD8+ lymphocyte decreased(P =0.037),but the counts of CI4+ lymphocyte and CD4+/CD8+ were not significantly different.Complications were not significantly different in the two groups.One year survival rate was longer ( 94.9% ) in experimental group than that in the control group ( 83.3% ) ( P =0.022 ).ConclusionsPeritoneal cavity administration with pseudomonas aerug vaccine was safe,and effectively helps regulate cytoimmunity in postoperative patients of advanced gastric carcinoma.
7.Activity of Ginkgo biloba extract and quercetin on thrombomodulin expression and tissue-type plasminogen activator secretion by human umbilical vein endothelial cells.
Wen-Jun LAN ; Xiao-Xiang ZHENG
Biomedical and Environmental Sciences 2006;19(4):249-253
OBJECTIVEIn order to investigate the pharmacological properties of Ginkgo biloba extract (GBE) on improving blood circulation, the regulating action of GBE and quercetin (a main flavonoid ingredient in GBE) on thrombomodulin (TM) expression and tissue-type plasminogen activator (t-PA) secretion was studied.
METHODSUsing flow cytometer and gel image system respectively, we evaluated the TM expression and the t-PA secretion by human umbilical vein endothelial cells (HUVECs) in vitro.
RESULTSThe increase of TM expression on HUVECs surface was induced by GBE rather than quercetin in a dose- and time-dependent manner. Both GBE and quercetin increased the t-PA release significantly.
CONCLUSIONThe effect of GBE on improving blood circulation may be partly attributed to its promoting TM expression and t-PA secretion by endothelial cells, and quercetin participated in the effect of GBE on t-PA secretion. However, the action of GBE on increasing TM expression needs further study.
Blood Circulation ; drug effects ; Endothelial Cells ; drug effects ; Endothelium, Vascular ; cytology ; drug effects ; Flow Cytometry ; Ginkgo biloba ; chemistry ; Humans ; Plant Extracts ; pharmacology ; Quercetin ; pharmacology ; Thrombomodulin ; metabolism ; Tissue Plasminogen Activator ; metabolism ; Umbilical Veins ; cytology
8.Impact of butylphthalide soft capsules on the related factors and quality of life of Parkinson patients with dementia
Yi DAI ; Lingyu CAI ; Xinli ZHENG ; Juan XU ; Jianxin WU ; Yuquan WU ; An MAO
Chinese Journal of Primary Medicine and Pharmacy 2018;25(1):68-71
Objective To explore the impact of butylphthalide soft capsules on the related factors and quality of life of Parkinson patients with dementia.Methods 90 Parkinson patients with dementia were selected,and they were divided into the study group and the control group by the random number table method,45 cases in each group.The control group was treated with donepezil hydrochloride combined with routine nursing method,and the study group was treated with butylphthalide soft capsules based on the treatment of the control group.Before and after treatment,the serum C-reactive protein(CRP),recombinant human Parkinson disease protein 7 (PARK7),neurotrophic factor -3 (NT-3) levels of all patients were detected.And the quality of life of patients at admission and discharge were evaluated by the scale of disease self management efficiency and quality of life scale WHO (WHO QOL-BREF),quality of life of the two groups was compared before and after treatment.The Parkinson's Disease Rating Scale (UPDRS) scores was compared between the two groups before and after treatment.Results Before treatment,the dementia related factors and quality of life score,UPDRS score of the two groups had no statistically significant differences (all P > 0.05).After treatment,the dementia related factors of the two groups were all improved,which of the study group improved significantly [CRP:(3.24 ± 0.78) mg/L vs.(6.02 ± 0.95) mg/L,PARK7:(13.15 ± 1.51) μg/L vs.(24.93 ±2.02)μg/L,NT-3:(34.16 ± 3.47) μg/L vs.(26.23 ± 2.97) μg/L,all P <0.05].After treatment,the quality of life(QOL) and UPDRS score of the study group were significantly higher than those of the control group [(80.5 ± 12.5) points vs.(66.0 ± 10.3) points,(33.28 ± 2.18) points vs.(41.26 ± 2.54) points,all P < 0.05].Conclusion Butylphthalide soft capsules can effectively improve the dementia related factor of Parkinson patients with dementia,and enhance the quality of life with good effect.
9.Turner syndrome with Madelung deformity, complex brachydactyly and ankylosing spondylitis: A case report
Zhiyang WU ; Guoliang ZHENG ; Yuquan YOU ; Bingzuan LI
Chinese Journal of Orthopaedics 2022;42(12):786-790
Turner syndrome (TS) complicated with Madelung deformity and complex brachydactyly are rare clinically, and it is even rarer to combine with ankylosing spondylitis (AS). This article reports a case of a 36 year-old female patient who was admitted to the hospital with "ankylosing spondylitis" due to repeated back, hip and knee pain for 11 years and aggravated for 1 month. After admission, the karyotype showed "46, X, i (Xq)" due to short stature, dysplasia of secondary sexual characteristics, limb deformity etc, thus confirming TS. Further examination revealed bilateral Madelung deformity and complex brachydactyly characterized by shortening of the fourth metacarpal, multiple missing and shortened middle phalanxes. By reviewing the relevant literature, we believe that autoimmune diseases such as AS should be excluded in TS patients. TS aggravates the inflammatory response of AS, but the combination of TS and AS is more likely to be an accidental event. Patients with Madelung deformity should be careful to exclude TS. Madelung deformity and shortening of the fourth metacarpal are mainly associated with haploinsufficiency of SHOX gene. Brachydactyly characterized by multiple loss and shortening of the middle phalanx may be a new clinical manifestation of TS, especially the karyotype of 46, X, i (Xq). It is possible that there are some genes on the short arm of X chromosome, which regulate the number, growth and development of fingers. Early estrogen replacement therapy can greatly benefit patients.
10.Sodium alginate coating simultaneously increases the biosafety and immunotherapeutic activity of the cationic mRNA nanovaccine.
Xing DUAN ; Yi ZHANG ; Mengran GUO ; Na FAN ; Kepan CHEN ; Shugang QIN ; Wen XIAO ; Qian ZHENG ; Hai HUANG ; Xiawei WEI ; Yuquan WEI ; Xiangrong SONG
Acta Pharmaceutica Sinica B 2023;13(3):942-954
The extraordinary advantages associated with mRNA vaccines, including their high efficiency, relatively low severity of side effects, and ease of manufacture, have enabled them to be a promising immunotherapy approach against various infectious diseases and cancers. Nevertheless, most mRNA delivery carriers have many disadvantages, such as high toxicity, poor biocompatibility, and low efficiency in vivo, which have hindered the widespread use of mRNA vaccines. To further characterize and solve these problems and develop a new type of safe and efficient mRNA delivery carrier, a negatively charged SA@DOTAP-mRNA nanovaccine was prepared in this study by coating DOTAP-mRNA with the natural anionic polymer sodium alginate (SA). Intriguingly, the transfection efficiency of SA@DOTAP-mRNA was significantly higher than that of DOTAP-mRNA, which was not due to the increase in cellular uptake but was associated with changes in the endocytosis pathway and the strong lysosome escape ability of SA@DOTAP-mRNA. In addition, we found that SA significantly increased the expression of LUC-mRNA in mice and achieved certain spleen targeting. Finally, we confirmed that SA@DOTAP-mRNA had a stronger antigen-presenting ability in E. G7-OVA tumor-bearing mice, dramatically inducing the proliferation of OVA-specific CLTs and ameliorating the antitumor effect. Therefore, we firmly believe that the coating strategy applied to cationic liposome/mRNA complexes is of potential research value in the field of mRNA delivery and has promising clinical application prospects.