1.Adipose derived stem cells: a novel option for regenerative cell therapy
Academic Journal of Second Military Medical University 1981;0(03):-
Adult stem cells have great advantage in tissue reconstruction and regeneration.Transplantation of autologous stem cells into ischemic tissue is a novel therapeutic option for ischemic disorders.This review summarizes the potential role of adipose tissue-derived stromal cells(ADSC) on regenerative cell therapy for ischemic diseases.ADSC can be readily harvested and cultured;under specific condition,they can be induced to differentiate into adipocytes,bone,neurons,and endothelial cells.Moreover,ADSC can secrete a number of angiogenesis-related cytokines which might be suitable for regenerative cell therapy.It has also been reported that ADSC could differentiate into myocardiocytes.ADSC might be an important material for regenerative cell therapy in the near future,replacing bone marrow cells.
2.Spectrum analysis of the EEG in patients with brain death
Yue ZHANG ; Bing SUN ; Xunyi WU
Journal of Clinical Neurology 1993;0(03):-
Objective To quantify the EEG data in patients with brain death, expecting to obtain a criteria with high sensitivity and specificity for the diagnosis of brain death. Methods Analyzed the EEG data obtained from 17 brain dead cases and 5 clinical brain dead cases with spectrum analysis and made comparison with that from 13 non-brain dead cases. Results The EEG electric power of the brain dead group was significantly lower than that of non-brain dead group (P
3.Relationship between metabolic syndrome and postprostatectomy recurrence of benign prostatic hyperplasia in the elderly
Binwu SHENG ; Jianqin ZHANG ; Mao MA ; Xunyi NAN
Chinese Journal of Geriatrics 2014;33(4):389-392
Objective To investigate the relationship between metabolic syndrome (MS) and early recurrence of benign prostatic hyperplasia (BPH) after prostatectomy in the elderly.Methods A total of 152 men aged 65 to 88 years with prostatectomy for more than 5 years were enrolled from August 2008 to March 2013.Blood pressure,body weight,body height,body mass index (BMI) and international prostate symptom score (IPSS) were detected.Levels of fasting blood glucose (FBG),triglyceride (TG),low-density lipoprotein cholesterol (LDL-C),high-density lipoprotein cholesterol (HDL-C),prostate specific antigen (PSA) and maximum urinary flow rate (Qmax) were determined.The correlation of MS-related parameters with prostate volume,IPSS and Qmax were evaluated.Results BPH recurrence rate was significantly higher in patients with MS than without MS (11/26 vs.27/126,x2=12.76,P<0.001).PSA level,prostate volume and IPSS were significantly higher or larger in the MS group than in the non-MS group [(1.96±0.82)μg/L vs.(1.81±0.90)μg/L,(28.26±5.50) ml vs.(22.38±4.00)ml,(11.12±3.18)vs.(7.11±2.37),F=28.654,44.41,38.56,respectively,P<0.001],while Qmax value was significantly lower in the MS group than in the non-MS group [(14.77±5.29) ml/s vs.(19.80±4.70) ml/s,F=59.48,P<0.001].The liner regression analysis showed that in postprostatectomy recurrence group,PV and IPSS had significantly positive correlations with levels of FBG and TG,and BMI (P<0.05),and had significantly positive correlations with BMI and FBG in non-recurrence group (P<0.05),while Qmax had a significantly negative correlation with BMI,systolic blood pressure and FBG in the two groups (P<0.05).Conclusions There is a significant relationship between MS and higher BPH recurrence in elderly patients.
4.Standardized medication strategy for new diagnosed epilepsy
Guoxing ZHU ; Xunyi WU ; Peimin YU ; Jinyang WANG ; Yue ZHANG ; Zhen HONG
Chinese Journal of Neurology 2011;44(1):6-9
Objective To formulate and detect the efficacy and safety of standardized medication strategy of epilepsy. Methods The normalized medication strategy was worked out in 278 new diagnosed patients, whose effect, retention rate and safety were evaluated after 24 months of treatment. Results Of all the 278 patients, 235 patients were taken mono-therapy while other 43 patients used therapeutic alliance.Most patients took CBZ or VPA as mono-therapy drugs. At the time after 24 months, almost 76. 3%(212/278) patients got seizure free, and the effectiveness was 22. 7% (63/278). The retention rate of those mono-therapy drugs were investigated respectively. CBZ presented 69. 8%, VPA presented 76. 2%,OXC was 68.0%, TPM was 69. 6%, LTG was 83. 3%, LEV presented 85.7%, and 100% for PHT.Conclusions All epileptic patients were well-controlled after taking standardized medication. The standardized medication strategy of epilepsy possesses valuable importance in clinical practice, which deserves further popularization.
5.Analysis of contact allergens in 1065 patients with dermatitis or eczema in Wuxi city
Yan HU ; Xunyi DAI ; Lei CAO ; Xuefen LU ; Juan ZHANG ; Ying FAN ; Aifen ZHOU ; Lijia YANG
Chinese Journal of Dermatology 2012;45(10):747-749
Objective To determine contact allergens and their clinical significance in patients with dermatitis or eczema in Wuxi city.MethodsPatch test was conducted in 1065 patients with a clinical diagnosis of dermatitis or eczema.A statistical analysis was carried out.Results Positive patch test reactions were observed in 83.19% of the patients,with no statistical differences in the frequency of positive patch test reactions between female and male patients or between patients of different age groups.The most frequent 6 allergens were potassium dichromate,cobalt chloride,nickle sulfate,formaldehyde,carba mix and fragrance mix in these patients.Female patients showed a higher frequency of positive patch test reaction to nickle sulfate and formaldehyde,but a lower frequency to potassium dichromate and carba mix compared with male patients (all P< 0.01 ); young,middle-aged,and old patients exhibited an increased frequency of positive reaction to cobaly chloride compared with child patients,while young and middle-aged patients showed a decreased frequency to nickel sulfate compared with child patients (all P < 0.05).Conclusion Potassium dichromate,cobalt chloride,nickle sulfate,formaldehyde,carba mix and fragrance mix are the main allergens causing dermatitis and eczema in Wuxi city.
6.The diagnosis and treatment of small cell carcinoma of the prostate and a review of the literature
Jinhai FAN ; Lei WANG ; Xunyi NAN ; Yue ZHANG ; Mingzhu WANG ; Huiling GONG ; Dalin HE
Chinese Journal of Urology 2011;32(9):591-594
ObjectiveTo investigate the histological features, clinical presentation, treatment and prognosis of small cell carcinoma of the prostate.MethodsThe clinical, pathological and follow-up data of two cases of small cell carcinoma of the prostate were respectively analyzed, and the related literature was reviewed.ResultsTwo cases of small cell carcinoma were diagnosed by transtectal prostate biopsy. Microscopically, the tumor arranged in nest structures and exhibited small round cells with the nuclei extremely hyperchromatic and scanty. Coagulated necrosis was easily observed. The immunohistochemical testing was positive for NSE and negative for PSA 、PAP. Case 1 received palliative surgery and postoperative chemotherapy of EP (VP-16, Cisplatin), and died of recurrence and distant metastasis after six months. Case 2 received palliative surgery and oral bicalutamide treatment, and died of recurrence and liver metastasis after three months.ConclusionsSmall cell carcinoma of the prostate has the biological behavior of invasive growth with an unfavorable prognosis, which is often in an advanced stage at first diagnosis. The ultimate diagnosis depends on histopathology and surgery combined with systemic chemotherapy and radiotherapy is the most effective treatment.
7.Therapeutic Effects of Itraconazole and Terbinafine for the Treatment of Onychomycosis Evaluated with Scoring Clinical Index
Yan HU ; Lijia YANG ; Xunyi DAI ; Haiping ZHANG ; Ling WEI ; Haikang HUA ; Jia QI ; Hui SUN ; Yuan ZHENG ; Pingdong JIANG
Chinese Journal of Dermatology 2003;0(08):-
0.05).Conclusions The SCIO system is practical to assess the therapeutic effects of itraconazole and terbinafine for patients with onychomycosis.Treatment of onychomycosis with the two drugs is equally effective and safe.
8.Progress of lysine-specific demethylase 1 and its inhibitors in triple-negative breast cancer
Xunyi LIN ; Hang SU ; Jiaxing HUO ; Fenghua ZHANG
Cancer Research and Clinic 2024;36(1):69-73
Lysine-specific demethylase 1 (LSD1) is the firstly discovered histone demethylase. In recent years, LSD1 has become a hot topic in the study of the development and progression of malignancies, and its expression is closely related to the poor prognosis of malignancies. At present, some studies have showed that LSD1 is strongly related to the proliferation, invasion and metastasis of triple-negative breast cancer (TNBC). However, the specific mechanism is not fully understood. This article summarizes the possible mechanism of the development and progression in LSD1 and TNBC, and reviews the latest progress of LSD1 in the clinical research application of TNBC, so as to provide a reference for drug combination therapy in TNBC patients.
9.Construction of a risk prediction and evaluation system for postoperative incisional infection after spinal surgery
Keqi ZHONG ; Lan FENG ; Yue MA ; Yulin GAO ; Xuemei ZHANG ; Xiaoliang WU ; Xunyi WANG ; Xiaohuan YI ; Yurong ZHENG
Chinese Journal of Orthopaedic Trauma 2022;24(2):161-167
Objective:To construct a risk prediction and assessment system for incisional infection after spinal surgery.Methods:Based on the failure mode and effect analysis (FMEA), risk factors and assessment indicators of postoperative incisional infection in spinal surgery were sorted out through literature search followed by expert consultation using the Delphi expert consultation method. After three-level assessment indicators were selected according to their importance and expert opinions and assigned by different scores, a risk prediction and evaluation system was constructed for postoperative incisional infection after spinal surgery.Results:The 2 rounds of expert consultation questionnaire resulted in an effective response rate of 100%. The degree of expert consultation authority was 0.85, showing high reliability; the Kendall coordination coefficients of expert consultation ranged from 0.525 to 0.686, showing good coordination ( P<0.05). The three-level assessment indicators consisted of 3 primary, 18 secondary and 54 tertiary ones. After statistical analyses of the important risk indicators selected which consisted of 6 preoperative evaluation ones and 18 postoperative evaluation ones, 6 preoperative and 12 postoperative predictive indicators were obtained. The values of risk priority number (RPN) were calculated for high, medium and low risks for postoperative incisional infection using a semi-quantitative method. Conclusion:A self-designed system has been constructed for risk prediction and assessment of incisional infection after spinal surgery based on expert consultation and FMEA method.
10.Preparation and in vitro evaluation of hemoglobin-paclitaxel dual loaded liposomes for improving tumor hypoxia resistance
Xunyi YOU ; Kehui ZHU ; Jing XIAO ; Jiakang WU ; Shifan ZHENG ; Along ZHANG ; Rui ZHONG ; Hong WANG ; Ye CAO ; Jiaxin LIU
Chinese Journal of Blood Transfusion 2024;37(3):297-303
【Objective】 To prepare liposomes encapsulate hemoglobin and paclitaxel(LEHP)to improve tumor hypoxia resistance. 【Methods】 LEHP were prepared by thin-film method, and the particle size, Zeta potential and polydispersity were investigated by nanoparticle size analyzer, and encapsulation efficiency was investigated by high performance liquid chromatography, and the interaction between the liposomes and tumor cells was evaluated by in vitro cell experiments. 【Results】 The optimal preparation conditions of LEHP was as follows: total phospholipid 36 mM, DPPC∶Dope∶cholesterol molar ratio 7∶2∶1, paclitaxel 3 mg, hydrated with 3 mg·mL-1 Hb-PBS for 30 min at room temperature; The average particle size was (189.17±8.22) nm, polydispersity was 0.14±0.023, paclitaxel encapsulation efficiency was (58.27±2.55)%, hemoglobin content was (0.63±0.05) mg·mL-1. In vitro cell experiments, the killing effect of LEHP was about 1.5 times that of LEP, about 1.2 times that of LEP, and ROS production was about 1.8 times that of LEP. 【Conclusion】 The preparation conditions of LEHP was optimized, and cell experiments showed that LEHP can promote tumor cell apoptosis by improving hypoxia and increasing ROS production, which is expected to provide a safe and effective new method for drug resistance caused by tumor hypoxia.