1.Progress in the study of Her2-targeted cancer therapeutic antibodies.
Liang CHANG ; Chen-hui LI ; Jian GAO
Acta Pharmaceutica Sinica 2015;50(5):516-520
Tumor surface antigen human epidermal growth factor receptor 2 (Her2) is a type I receptor tyrosine kinase, which belongs to human epidermal growth factor receptor family. Her2-overexpression is associated with tumorigenesis and metastasis. Due to significant clinical effects, Her2-targeted cancer therapy especially therapeutic antibody has become the hot spot in the field of cancer treatment. Anti-Her2 antibody drugs include monoclonal antibodies, antibody-drug conjugates, bispecific antibodies and emerging "two in one" antibody. Based on structure and function of Her2, this review focuses on recent advances in active mechanisms and clinical researches of these antibodies.
Antibodies, Bispecific
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therapeutic use
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Antibodies, Monoclonal
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therapeutic use
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Humans
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Immunoconjugates
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therapeutic use
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Neoplasms
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drug therapy
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Receptor, ErbB-2
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immunology
2.Progress in the study of Her2-targeted cancer therapeutic antibodies.
Liang CHANG ; Chenhui LI ; Jian GAO
Acta Pharmaceutica Sinica 2015;50(5):516-20
Tumor surface antigen human epidermal growth factor receptor 2 (Her2) is a type I receptor tyrosine kinase, which belongs to human epidermal growth factor receptor family. Her2-overexpression is associated with tumorigenesis and metastasis. Due to significant clinical effects, Her2-targeted cancer therapy especially therapeutic antibody has become the hot spot in the field of cancer treatment. Anti-Her2 antibody drugs include monoclonal antibodies, antibody-drug conjugates, bispecific antibodies and emerging "two in one" antibody. Based on structure and function of Her2, this review focuses on recent advances in active mechanisms and clinical researches of these antibodies.
5.The Role of Antidepressants in the Treatment of Functional Dyspepsla
Jingyang LI ; Chang LIU ; Baoyong LIANG
Chinese Mental Health Journal 1988;0(06):-
Objective:To evalute the role of antidepressants in the treatment of functional dyspepsia.Methods:Separated 50 functional dyspepsia(FD)patients into 2 groups by random.Then treated the antidepressant group antidepressants,while the antidyspepsia group was treated with drugs to cure primary digestive system disease by individual principle.And both groups were treated with supportive psychotherapy.The therapy continued for 8 weeks.Mental and symptoms state evaluation was done before and after treatment by Self-Rating Anxiety Scale(SAS),Self-Rating Depression Scale(SDS)and by symptoms.Results:There was significant difference in the scores of SAS and SDS between the FD groups and normal groups(P0.05).Conclusions:FD patients commonly have depression or anxiety.Antidepressants have good efficiency in treatment of FD patients who has emotional impediment both for improving somatic and psychological symptoms.
6.Risk factors and clinical prediction of shoulder dystocia in non-macrosomia
Na LI ; Qiuling LI ; Liang CHANG ; Caixia LIU
Chinese Journal of Obstetrics and Gynecology 2015;50(1):17-21
Objective To investigate the risk factors,clinical prediction and intrapartum management of shoulder dystocia in non-macrosomia.Methods Totally 7 811 cases of vaginal delivery were retrospectively reviewed from Juanary 2009 to December 2013 in Shengjing Hospital.Shoulder dystocia was found in 11 cases (0.14%,11/7 811),including 1 case of macrosomia and l0 cases of non-macrosomia (shoulder dystocia group).Each non-macrosomia shoulder dystocia case was matched with 10 cases of normal delivery in the same week,which were selected randomly as the control group.The tendency and risk factors of shoulder dystocia in macrosomia and non-macrosomia were analyzed,and the following data between the two groups were compared,including the height of uterus fundus,abdominal circumference of the pregnant woman,the increasing of body mass index(BMI),fetal biparietal diameter (BPD),fetal femur length (FL),duration of every stage of labor,birth weight of the newborn,head circumference and chest circumference of the newborn,Apgar score.Results (1) There were 213 macrosomias among the 7 811 vaginal deliveries,with the incidence of 2.73% (213/7 811).Only 1 shoulder dystocia was macrosomia (0.46%,1/213); while the other 10 cases were non-macrosomia (0.13%,10/7 598).(2) From 2009 to 2013,the macrosomia happened by 24 cases (2.32%,24/1 034),42 cases (3.61%,42/1 164),46 cases (2.60%,46/1 772),62 cases (3.01%,62/2 060),39 cases (2.19%,39/1781),respectively.The incidence of macrosomia had no significant difference among these 5 years (P>0.05).The shoulder dystosia occurrence without macrosia in these 5 years were 1 case (0.10%,1/1 034),3 cases (0.26%,3/1 164),2 eases (0.11%,2/1 172),2 cases (0.10%,2/2 060),2 cases (0.11%,1/1 781),respectively.The incidence of shoulder dystocia without macrosomia had no significant difference among these 5 years (P>0.05).(3) In the should dystocia group,5 cases were complicated with premature rupture of membrane (5/10),4 cases were mother≥ 35 years old (4/10),3 cases were multipara(3/10),3 cases had gestational diabetes mellitus(3/10),3 cases were occiput posterior during the first stage of labor(3/10),3 cases had prolonged second stage of labor (3/10) and 6 cases had routine lateral incision (6/10).In the control group,3 cases were complicated with premature rupture of membrane(3/10); 1 case was mother≥35 years old (1/10); 2 cases were multipara(2/10),3 cases had gestational diabetes mellitus (3/10),1 case had prolonged second stage (1/10) and 7 cases had routine lateral incision (7/10).(4) There were no significant difference in the height of uterus fundus,BMI,BPD,FL,and duration of the first stage of labor between the shoulder dystocia group and the control group (P>0.05).Compared with the control group,the increasing of BMI [(6.8±3.1) vs (4.8± 1.4) kg/m2],the time of the second stage of labor[(86±65) vs (38±28) minutes] and abdominal circumference[(108±8) vs (101±7) cm] were significantly higher in the shoulder dystosia group (P<0.05).(5)There were significant difference in the chest circumference of the newborn [(34.0±1.6) vs (32.2±1.9) cm] and the ratio of chest circumference to head circumference of the newborn [(0.99±0.03) vs (0.97±0.03)] between the two groups(P<0.05).The 1-minute Apgar score of the newborn (7.4±2.8) was significantly lower than the control group (10.0±0.0) (P<0.01).Clavicular fracture occurred in 3 newborns and brachial plexus injury occurred in 4 newborns in the shoulder dystosia group.Conclusion It is difficult to predict shoulder dystocia in non-macrosomia.Shoulder dystocia of non-macrosomia could be predicted by measurement of the head circumference,chest circumference,the ratio of chest circunfference to head circumference by using prenatal ultrasound.The risk factors may complicated with premature rupture of membrane,abnormal occiput position during the first stage of labor and prolonged second stage of labor.
7.Headles cannulated screw for the treatment of Freiberg disease.
Chang-hua LI ; Guang-mao LIN ; Wei-liang WANG
China Journal of Orthopaedics and Traumatology 2013;26(12):1057-1058
Bone Screws
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utilization
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Female
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Foot Diseases
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surgery
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Fracture Fixation, Internal
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instrumentation
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methods
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Humans
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Internal Fixators
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utilization
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Metatarsus
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abnormalities
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surgery
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Osteochondritis
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congenital
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surgery
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Young Adult
9.Clinical observation of individualized forearm flap in reconstruction of oral and maxillofacial defects
Liang LIU ; Kai ZHANG ; Jiancheng LI ; Chang LIU
Chinese Journal of Microsurgery 2017;40(1):30-34
Objective To investigate the forearm flap personalized design method and the curative effect in repairing maxillofacial defects.Methods From March,2011 to September,2015,16 cases with oral maxillofacial tumor and facial tissue defect were treated.There were 8 males and 8 females with an age range of 41-70 years (mean,54 years).According to the shape and size of the defect after tumor resection in each patient,the forearm flap was designed to repair the defect.The effectiveness was evaluated after operation by observing the survival of the forearm flap transplantation,the patient's facial appearance,the functions of speech,swallowing.Results The incision healed by first intention in this group,16 cases of forearm flap survived.All cases were followed-up 8-36 months without tumor recurrence.The functions of speech,swallowing were basically normal.The facial appearance was satisfactory.The patients were satisfied with their appearance and functional recovery after operation.Conclusion Take personal way of forearm flap design according to maxillofacial soft tissue defect,can restore the maximum facial appearance and function of patients,improve the quality of life of patients after surgery to repair,can obtain satisfactory results.
10.Effects and mechanisms of raltitrexed on the growth of human gastric cancer xenograft transplanted in nude mice
Lei HONG ; Hua LI ; Liang CHANG ; Wei LIU
Chinese Journal of Clinical Oncology 2014;(12):766-770
Objective:This study was designed to explore the effects and mechanisms of raltitrexed on the growth of the human gastric cancer cell line (MGC-803) transplanted in nude mice. Methods: Models of MGC-803 xenograft transplanted in nude mice were established. Body weight, mental state, food, and stool of the nude mice were closely monitored, and the inhibitory action in the tu-mors was evaluated after drug intervention. Distribution and apoptosis of the tumor cells were examined through flow cytometric assay. P53 mRNA and protein expression levels were determined through reverse transcription-polymerase chain reaction and Western blot analysis. Changes among the three groups were compared. Results:Body weights and tumor volumes of the nude mice were lower in the raltitrexed and 5-fluorouracil (5-Fu) groups than those in the control group. Tumor inhibition ratios were 49.02%and 45.75%in the raltitrexed and 5-Fu groups, respectively. In the G0/G1 stage, the number of cells decreased in the raltitrexed and 5-Fu groups. Signifi-cant differences were found between the experimental and control groups (P<0.01). In the S stage, the number of cells increased in the raltitrexed and 5-Fu groups, with significant differences from the control group (P<0.01). P53 mRNA and protein expression levels in the raltitrexed and 5-Fu groups were significantly higher than those in the control group (P<0.01), but no significant differences were found between the raltitrexed and 5-Fu groups (P>0.05). Conclusion:Raltitrexed can inhibit the growth of MGC-803 xenograft trans-planted in nude mice and shows inhibitory effect similar to that of 5-Fu. Raltitrexed can induce the S-phase block of the cell cycle and cell apoptosis in the MGC-803 xenografts in the nude mice. This drug may exhibit an antitumor effect by upregulating the p53 mRNA and protein expression levels.