1.Subemergency treatment of femoral intertrochanteric fractures in elderly patients
Hongkai LIAN ; Meng ZHANG ; Xinling MU ; Zhenying JIANG ; Jincheng HUANG
Chinese Journal of Orthopaedic Trauma 2016;18(5):431-434
Objective To investigate the clinical effects of subemergency treatment of femoral intertrochanteric fractures in elderly patients.Methods From June 2013 through February 2014,47 patients older than 65 years were treated for femoral intertrochanteric fracture at our department and completed full follow-ups.Of them,20 received subemergency operation.They were 9 men and 11 women,with an average age of 72.2 ± 4.8 years.By the Evans-Jensen classification,there were 2 cases of type Ⅰ,5 of type Ⅱ,5 of type Ⅲ,5 of type Ⅳ,and 3 of type Ⅴ.The time from injury to surgery ranged from 0.5 to 1.7 days (average,0.8 days).The other 27 patients underwent selective operation.They were 11 men and 16 women,with an average age of 74.9 ± 5.7 years.By the Evans-Jensen classification,there were 3 cases of type Ⅰ,6 of type Ⅱ,6 of type Ⅲ,7 of type Ⅳ,and 5 of type Ⅴ.The time from injury to surgery ranged from 2 to 5 days (average,3.4 days).We compared the 2 groups in terms of in-hospital complications,fracture healing time,length of hospital stay,and hip scores at the last follow-up.Results All the patients were followed up for 12 to 15 months (mean,13.4 months).The rate of in-hospital complications in the subemergency operation group (35.0%,7/20) was significantly lower than that in the selective operation group (51.9%,14/27),and the length of hospital stay in the former (12.1 ± 1.6 days) was significantly shorter than in the latter (16.1 ± 1.8 days) (P < 0.05).There was no significant difference between the 2 groups in fracture healing time (13.1 ± 1.8 weeks versus 13.6 ± 1.2 weeks) (P > 0.05).According to the hip scores at the last follow-up,the subemergency operation group had 16 excellent,2 good,one fair and one poor cases (with an excellent to good rate of 90.0%) while the selective operation group had 21 excellent,2 good,2 fair and 2 poor cases (with an excellent to good rate of 85.2%),showing no significant difference between groups (P > 0.05).Conclusion Subemergency operation can reduce not only in-hospital complications but also length of hospital stay for old patients with femoral intertrochanteric fracture.
2.Effects of Angong-niuhuang pill on expression of eNOSmRNA in spontaneously hypertensive rats after intracerebral hemorrhage
Yuanxin LIU ; Ting LIU ; Xiaoyan YANG ; Hui LI ; Yunqiao ZHANG ; Huiwu LI ; Jia LIU ; Xinling MENG ; Tao JIANG ; Feng LIU ; Xiaolu WANG
International Journal of Traditional Chinese Medicine 2011;33(2):107-110
Objective To study the effect of Angong-niuhuang pill on expression of eNOSmRNA in spontaneously hypertensive rats after intracerebral hemorrhage and to explore it's protective mechanism.Methods 120 spontaneously hypertensive rats were randomly divided into four groups: model group, western medicine treated group. Angong-niuhuang pill treated group, combining traditional Chinese medicine western medicine group, expression of eNOSmRNA in rat brain tissue was detected by RT-PCR. Results Expression of BCL-2mRNA in combining traditional Chinese medicine western medicine group was significantly higer than other goups(P<0.01), Compared with model group, the expression of BCL-2mRNA in western medicine treated group and Angong-niuhuang pill treated group was markedly increased (P<0.01), the differences between Angong-niuhuang pill treated group and Western medicine treated group were not obvious (P>0.05).Conclusion Protective effect of Angong-niuhuang pill on spontaneously hypertensive rats after intracerebral hemorrhage is related to the the inducement of eNOS expression.
3.Global characterization of modifications to the charge isomers of IgG antibody
Xinling CUI ; Wei MI ; Zhishang HU ; Xiaoyu LI ; Bo MENG ; Xinyuan ZHAO ; Xiaohong QIAN ; Tao ZHU ; Wantao YING
Journal of Pharmaceutical Analysis 2022;12(1):156-163
Posttranslational modifications of antibody products affect their stability,charge distribution,and drug activity and are thus a critical quality attribute.The comprehensive mapping of antibody modifications and different charge isomers(CIs)is of utmost importance,but is challenging.We intended to quanti-tatively characterize the posttranslational modification status of CIs of antibody drugs and explore the impact of posttranslational modifications on charge heterogeneity.The CIs of antibodies were fraction-ated by strong cation exchange chromatography and verified by capillary isoelectric focusing-whole column imaging detection,followed by stepwise structural characterization at three levels.First,the differences between CIs were explored at the intact protein level using a top-down mass spectrometry approach;this showed differences in glycoforms and deamidation status.Second,at the peptide level,common modifications of oxidation,deamidation,and glycosylation were identified.Peptide mapping showed nonuniform deamidation and glycoform distribution among CIs.In total,10 N-glycoforms were detected by peptide mapping.Finally,an in-depth analysis of glycan variants of CIs was performed through the detection of enriched glycopeptides.Qualitative and quantitative analyses demonstrated the dynamics of 24 N-glycoforms.The results revealed that sialic acid modification is a critical factor ac-counting for charge heterogeneity,which is otherwise missed in peptide mapping and intact molecular weight analyses.This study demonstrated the importance of the comprehensive analyses of antibody CIs and provides a reference method for the quality control of biopharmaceutical analysis.
4.Association of glucocerebrosidase gene polymorphism with Parkinson's disease in Han, Uygur and Kazak people in Xinjiang
Junhu CHEN ; Dike SHA ; Yuanxin LIU ; Xinling MENG ; Jia LIU ; Jiangshan FANG ; Juanying XU
Chinese Journal of Neurology 2017;50(11):826-830
Objective To study the polymorphism of glucocerebrosidase ( GBA) gene of N370S, V394L, L444P, R120W, R359X, R496H, R353W and RecNcil in the patients with Parkinson's disease ( PD) in Han, Uygur and Kazak in Xinjiang and to investigate the relationship between GBA gene polymorphism and Parkinson's disease.Methods GBA gene polymorphism was analyzed by improved multiplex ligation detection reaction technique in 294 sporadic PD patients (100 cases of Uygur, 134 cases of Han, 60 cases of Kazak) and 305 healthy controls (109 cases of Uygur, 122 cases of Han, 74 cases of Kazak) in Xinjiang area.Results There were two L444P loci polymorphisms that were heterozygous mutations in 294 cases of PD patients and the mutation frequency was 0.7%.Three hundred and five cases of control group did not show L 444P polymorphism.There were no significant differences in L 444P genotype and allele frequency distribution between PD group and control group ( AA:99.3%vs 100.0%, GA:0.7%vs 0, P>0.05;G:0.3%vs 0, A:99.7%vs 100.0%, P>0.05);L444P genotype and allele frequency distribution in Han and Uygur patients with PD showed no significant differences ( AA:99.3% vs 99.0%, GA:0.7%vs 1.0%, P>0.05;G:0.4%vs 0.5%, A:99.6%vs 99.5%,P>0.05);N370S, V394L, R120W, R359X, R496H, R353W, RecNcil loci polymorphisms were not found in the PD and control groups.Conclusion The GBA gene of N370S, V394L, R120W, R359X, R496H, R353W, RecNcil showed no polymorphism in Xinjiang Han and Uygur population and there was no association of L 444P polymorphism with Parkinson's disease in Han and Uygur populations in Xinjiang .
5.A case of transcatheter closure of inferior vena cava type atrial septal defect with patent ductus arteriosus occlusion device guided by 3D printing technology.
Fan YANG ; Hong ZHENG ; Jianhua LYU ; Xinling YANG ; Yankun YANG ; Ying PANG ; Fang LIANG ; Gejun ZHANG ; Zhongying XU ; Shiliang JIANG ; Bin LYU ; Fengyun MENG ; Baojian HAO
Chinese Journal of Cardiology 2015;43(7):631-633
6.The whole process management principles of chimeric antigen receptor T-cell therapy for lymphoma at Peking University Cancer Hospital
Zhitao YING ; Ningjing LIN ; Meng WU ; Bo MA ; Hongzhi WANG ; Chun ZENG ; Shuling MA ; Xinling ZHAO ; Yan XIE ; Weiping LIU ; Yuqin SONG ; Jun ZHU
Journal of Leukemia & Lymphoma 2021;30(11):674-684
Chimeric antigen receptor T (CAR-T) cell has achieved excellent efficacy in hematological tumors, especially for lymphoma. Many products have been approved to market all over the world, and 2 products targeting CD19 have been approved to treat relapsed and refractory large B-cell lymphoma in China. The current experiences of using CAR-T cells come from previous clinical studies. How to use CAR-T cells in a standardized and rationalized way is still a challenge faced by our clinicians. Based on the CAR-T cell treatment experiences from Peking University Cancer Hospital and the latest research progresses in CAR-T in China and abroad, this article will elaborate on patient screening, peripheral blood mononuclear cell collection, bridging treatment, lymphocyte depletion chemotherapy, CAR-T cell infusion, the monitoring and treatment of adverse events after infusion, and long-term follow-up after infusion, in order to guide clinicians to better use CAR-T cell and to bring maximum benefits to patients.