1.Synthesis and preliminary anti-diabetic activity evaluation of novel PEGylated GLP-1 receptor agonists
Yan LIU ; Chengye LI ; Xingguang CAI ; Lidan SUN ; Wenlong HUANG
Journal of China Pharmaceutical University 2018;49(5):558-567
In order to obtain glucagon-like peptide-1(GLP-1)analogs which can sustainedly control the levels of glucose, 12 derivatives were designed and synthesized by coupling monomethoxy polyethylene glycol(mPEG, with average molecular weights of 350, 550 and 750)to GLP-1 analogs. Preliminary pharmacological activities showed that all compounds retained GLP-1 receptor agonist activities, and the hypoglycemic activity of compound I-12 was similar to those of Ex-4 and Liraglutide, suggesting I-12 could be a potential long-acting GLP-1 receptor agonist.
2.Effects of anal fistula incision, muscle layer suture and internal drainage surgery on wound recovery, anal function and anal high pressure zone length in patients with low anal fistula
Xiaojun LIU ; Xiaoting ZHANG ; Lidan CAI ; Chao CHEN
Chinese Journal of Postgraduates of Medicine 2024;47(7):595-599
Objective:To observe the clinical effect of anal fistula incision, muscle layer suture, and internal drainage surgery in the treatment of low anal fistula.Methods:A retrospective study was conducted on 65 patients with low anal fistula admitted to Fifth Hospital of Zhangjiakou City From March 2021 to March 2023, and they were divided into two groups based on different surgical methods. The control group consisted of 32 patients who underwent traditional anal fistula incision and thread drainage, while the study group consisted of 33 patients who underwent anal fistula incision and muscle layer suture internal drainage. The duration of surgery, wound recovery, anal function, anal motility, degree of pain, and recurrence rate were compared.Results:The surgical time of the study group was longer than that of the control group: (34.86 ± 4.17) min vs. (25.21 ± 3.95) min ( P<0.05), the wound healing time was shorter than that of the control group: (15.72 ± 3.26) d vs. (18.94 ± 4.42) d ( P<0.05), and the wound area was smaller than that of the control group: (5.76 ± 1.72) cm 2 vs. (7.78 ± 1.89) cm 2 ( P<0.05). At 4 weeks after surgery, the Wexner scores in both groups were lower than those at 1 d after surgery ( P<0.05), and the study group was lower than the control group: (3.39 ± 1.08) scores vs. (4.15 ± 1.21) scores ( P<0.05). After surgery, the high pressure zone length, anal rest pressure and anal maximum contraction pressure in the control group were lower than before surgery ( P<0.05), and the study group were higher than the control group: (4.92 ± 1.11) cm vs. (3.64 ± 1.02) cm, (11.93 ± 1.22) kPa vs. (9.45 ± 1.08) kPa, (13.34 ± 3.42) kPa vs. (10.82 ± 2.75) kPa ( P<0.05). At 48 h after surgery, the visual analogue scale (VAS) scores of both groups were lower than those at 12 h after surgery ( P<0.05), and the study group was lower than the control group: (1.63 ± 0.21) scores vs. (2.25 ± 0.34) scores ( P<0.05). After 6 months of follow-up, neither group experienced any recurrence. Conclusions:Anal fistula incision, muscle layer suture and internal drainage surgery for low anal fistula can shorten the wound healing time, reduce the wound area, improve anal function and anal motility, alleviate pain, and avoid recurrence. However, the surgical time is longer.
3.Characterization of genetic variants in children with refractory epilepsy.
Kaixuan WANG ; Dandan CAI ; Fang SHENG ; Dayan WANG ; Xubo QIAN ; Jing ZHANG ; Xueyan JIANG ; Lidan XU ; Yanting XU
Chinese Journal of Medical Genetics 2023;40(10):1204-1210
OBJECTIVE:
To analyze the characteristics of genetic variants among children with refractory epilepsy (RE).
METHODS:
One hundred and seventeen children with RE who had presented at the Affiliated Jinhua Hospital of Zhejiang University School of Medicine from January 1, 2018 to November 21, 2019 were selected as the study subjects. The children were divided into four groups according to their ages of onset: < 1 year old, 1 ~ 3 years old, 3 ~ 12 years old, and >= 12 years old. Clinical data and results of trio-whole exome sequencing were retrospectively analyzed.
RESULTS:
In total 67 males and 50 females were included. The age of onset had ranged from 4 days to 14 years old. Among the 117 patients, 33 (28.21%) had carried pathogenic or likely pathogenic variants. The detection rates for the < 1 year old, 1 ~ 3 years old and >= 3 years old groups were 53.85% (21/39), 12.00% (3/25) and 16.98% (9/53), respectively, with a significant difference among the groups (χ2 = 19.202, P < 0.001). The detection rates for patients with and without comorbidities were 33.33% (12/36) and 25.93% (21/81), respectively (χ2 = 0.359, P = 0.549). Among the 33 patients carrying genetic variants, 27 were single nucleotide polymorphisms (SNPs) or insertion/deletions (InDels), and 6 were copy number variations (CNVs). The most common mutant genes were PRRT2 (15.15%, 5/33) and SCN1A (12.12%, 4/33). Among children carrying genetic variants, 72.73% (8/11) had attained clinical remission after adjusting the medication according to the references.
CONCLUSION
28.21% of RE patients have harbored pathogenic or likely pathogenic variants or CNVs. The detection rate is higher in those with younger age of onset. PRRT2 and SCN1A genes are more commonly involved. Adjusting medication based on the types of affected genes may facilitate improvement of the remission rate.
Infant
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Female
;
Male
;
Humans
;
Child
;
Infant, Newborn
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Child, Preschool
;
DNA Copy Number Variations
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Drug Resistant Epilepsy/genetics*
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Retrospective Studies
;
Polymorphism, Single Nucleotide
4.Mismatch ratio in CT perfusion and diffusion weighted imaging to evaluate the lesion outcome of acute ischemic stroke patients
Yanjun XIE ; Dequan CHEN ; Jing PENG ; Xingpan YOU ; Yu CAI ; Bin GUAN ; Yuan YU ; Lidan YANG
Journal of Practical Radiology 2024;40(7):1043-1047
Objective To investigate the influencing factors of Mismatch ratio in computed tomography perfusion(CTP)and dif-fusion weighted imaging(DWI)to assess the lesion outcome after treatment in patients with acute ischemic stroke(AIS).Methods Whether there were any differences in clinical and imaging data of AIS patients were analyzed retrospectively between the Mismatch ratio>1.2 group and the Mismatch ratio≤1.2 group,and between the hemorrhagic transformation group and the non-hemorrhagic transformation group.Results The age of onset and National Institutes of Health Stroke Scale(NIHSS)score of AIS patients in the group with Mismatch ratio>1.2 were greater than those in the group with Mismatch ratio≤1.2.The Mismatch ratio>1.2 group had lower incidence of hyperlipidemia,new infarct foci,and higher hypercoagulability,cerebral hemorrhage,as well as large cerebral infarction.The NIHSS score was higher in the hemorrhagic transformation group than the non-hemorrhagic transformation group,and the incidence of large cerebral infarction and digital subtraction angiography(DSA)thrombectomy was higher in the former than in the latter.Multifactorial logistic analysis showed that age,NIHSS score,and hyperlipidemia were independent risk factors for AIS patients with Mismatch ratio>1.2 and large cerebral infarction was an independent risk factor for hemorrhagic transformation.Conclusion The Mismatch ratio in CTP is correlated with age,NIHSS score,and hyperlipidemia in patients with AIS and large cerebral infarction is correlated with hemorrhagic transformation.
5.Approach to the patient with Klinefelter syndrome combined with neuropsychological abnormality
Lidan SHI ; Liangchun CAI ; Rongmei LU ; Wei LIN ; Huibin HUANG ; Jixing LIANG ; Liantao LI ; Junping WEN ; Lixiang LIN ; Gang CHEN
Chinese Journal of Endocrinology and Metabolism 2018;34(4):330-335
Klinefelter syndrome(KS) is the most common sex chromosome disorder in males,which is caused by the presence of the extra X chromosome that maybe inherited from mother or father. Approximately 80% karyotype of the cases is 47,XXY. KS is characterized by small firm testes, hypergonadotropic hypogonadism, infertility,gynaecomastia, increased height. However, cognitive disabilities and psychiatric disorders are rarely diagnosed in KS because they lack screening in related aspects. At the present, the pathogenesis of cognitive disabilities and increased risk of psychiatric diseases in KS have not been delineated. In this article,we report two cases of KS,and review their clinical manifestations,diagnosis,and treatments.
6.The mediating effects of self-control and rumination between neuroticism and insomnia in college students
Jia YU ; Kezhi LIU ; Xiaojiao ZHENG ; Lidan CAI ; Hui WU ; Huaihong A ; Bin ZHANG ; Shuai LIU
Chinese Journal of Behavioral Medicine and Brain Science 2020;29(8):682-686
Objective:To explore the mediating effects of self-control and rumination between neuroticism and insomnia in college students.Methods:A cross-sectional survey was conducted among 767 college students from a university in Sichuan province with Chinese big five personality inventory-15, insomnia severity index, ruminative responses scale, and self-control scale.Results:The prevalence of insomnia was 36.6% among college students.The scores of neuroticism (9.63±3.41), rumination (22.27±5.44) and ISI (6.61±4.28) were positively correlated with each other ( r=0.281-0.389, P<0.01), while each of them was negatively correlated ( r=-0.453--0.194, all P<0.01) with self-control (60.71±9.41). Analysis of mediating effects revealed that neuroticism not only directly affected insomnia, but also indirectly affected insomnia through the mediating effects of rumination and self-control respectively. Conclusion:Self-control and rumination have mediating effects between neuroticism and insomnia in college students.