1.Postnatal depression and anxiety state and its related factors of parturtents from migrant worker family
Zhiqin YIN ; Yanhua WU ; Liqi WANG ; Xiaoling ZHU ; Caiping CAI ; Shuli FAN
Chinese Journal of Practical Nursing 2010;26(1):4-6
Objective To know the postnatal depression and anxiety state and its related factors of parturients from migrant worker family,and then reference to certain nursing counter-measures. Methods Sampled 73 parturients by spontaneous labor from migrant worker family and 45 local matched parturients,interviewed them by SAS and SDS to know their postnatal depression and anxiety state,and then analyzed the datum between them. Results The level of postnatal depression and anxiety in parturients from migrant worker family was significant higher than that in local parturienta.Different level of depression and anxiety was existed in different parturients from migrant worker family by different educational attainments,different family type and different financial state. Conclusions The state of postnatal depression and anxiety in parturients from migrant worker family is severely,related health education should be strengthened,associated social secu-rity and support system should be established to help them release their unhealthy emotion.
2.Gas Chromatography-Combustion-Isotope Ratio Mass Spectrometry for Determination of Five Volatile Components in Wine and Its Application in Geographical Origin Traceability
Hao WU ; Liqi XIE ; Baohui JIN ; Zhi YAN ; Bo CHEN ; Honghui HUA ; Guanghui LIN
Chinese Journal of Analytical Chemistry 2015;(3):344-349
A method was developed for analyzing the stable carbon isotope ratio of five volatile components ( Ethanol, Glycerol, Acetic acid, Ethyl lactate, 2-methyl-butanol ) in wine using gas chromatography-combustion-isotope ratio mass spectrometer ( GC-C-IRMS ) . The sample injection volume was less than 0. 5 μL, and the analytical time of each run was less than 14 min. The precision of this method was 0. 08‰-0. 25‰ for analyzing standards, while 0. 09‰-0. 36‰ for wine samples. Compared to element analysis-isotope ratio mass spectrometry ( EA-IRMS) results, the deviations were lower than 0. 5‰. Fifty-four wine samples from France, Australia, America and China were considered. The δ13 C of five volatile components were measured using GC-C-IRMS. Discriminant analysis ( DA) was employed for analyzing the geographical origin traceability of selected wine. The result indicated that δ13 C of volatile components could be used to distinguish the origin of wines. The method was shown to be effective in improving detection of the origin traceability of wine.
3.Exploring the hemodynamic changes of the ascending aorta before and after interventricular septal myocardial resection in obstructive hypertrophic cardiomyopathy by CMR 4D Flow technology
Xinyi LUO ; Guanyu LU ; Jiehao OU ; Yuelong YANG ; Liqi CAO ; Zhigang WU ; Jinglei LI ; Hui LIU
Journal of Chinese Physician 2024;26(1):25-30
Objective:To investigate the hemodynamic changes in the ascending aorta (AAo) before and after interventricular septal myocardial resection in obstructive hypertrophic cardiomyopathy (HOCM) using cardiac magnetic resonance four-dimensional blood flow (CMR 4D Flow) technology.Methods:HOCM patients who underwent interventricular septal myocardial resection at Guangdong Provincial People′s Hospital from May 2021 to September 2022 were prospectively included. Age and gender matched healthy volunteers (control group) were included during the same period. Both the control group and HOCM patients underwent CMR examination (including cine sequence and 4D Flow sequence) before and 6 months after surgery. CMR 4D flow technology was used to evaluate changes in AAo preoperative and postoperative blood flow patterns (eddy currents, spiral flow), maximum energy loss (EL max), and average energy loss (EL avg). HOCM patients underwent laboratory tests, including N-terminal pro-brain natriuretic peptide (N-pro BNP) and high-sensitivity troponin T (hsTnT). At the same time, the correlation between postoperative energy loss in HOCM patients and the degree of improvement in laboratory biomarkers was explored. Results:A total of 15 HOCM patients and 15 healthy volunteers were included. (1) In terms of blood flow patterns, the preoperative spiral flow degree of HOCM patients was significantly higher than that of the control group ( P=0.001), but the postoperative difference was not statistically significant ( P=0.059). The degree of eddy currents in HOCM patients before and after surgery was higher than that in the control group (all P<0.05). (2) In terms of energy loss, the preoperative EL max [21.17(14.30-28.10)mW vs 10.17(7.66-13.07)mW, P<0.001] and EL avg [4.87(3.46-5.77)mW vs 2.27(2.19-2.27)mW, P=0.023] of HOCM patients were higher than those of the control group, but there was no statistically significant difference between the postoperative and control groups (all P>0.05). Compared with preoperative, the postoperative EL max [12.33(8.70-17.41)mW] and EL avg [3.10(2.25-4.40)mW] of AAo in HOCM patients were significantly reduced (mean P=0.001). (3) Correlation analysis showed that there was a positive correlation ( r=0.587, P=0.021) between the EL max of AAo and the degree of improvement in hsTNT after interventricular septum myocardial resection, but no significant correlation ( r=0.229, P=0.413) with the degree of improvement in NT-pro BNP. Conclusions:The degree of postoperative AAo blood flow disorder in HOCM patients is reduced, and EL max and EL avg are significantly reduced. The EL max of postoperative AAo is positively correlated with the degree of improvement in hsTNT, suggesting that EL max may be applicable for prognostic evaluation of patients.
4.Enrichment of Wee1/CDC2 and NF-κB Signaling Pathway Constituents Mutually Contributes to CDDP Resistance in Human Osteosarcoma
Zhengbo HU ; Lugen LI ; Wenxing LAN ; Xiao WEI ; Xiangyuan WEN ; Penghuan WU ; Xianliao ZHANG ; Xinhua XI ; Yufa LI ; Liqi WU ; Wenhu LI ; Xiaohong LIAO
Cancer Research and Treatment 2022;54(1):277-293
Purpose:
Osteosarcoma (OS) universally exhibits heterogeneity and cisplatin (CDDP) resistance. Although the Wee1/CDC2 and nuclear factor кB (NF-κB) pathways were reported to show abnormal activation in some tumor cells with CDDP resistance, whether there is any concrete connection is currently unclear. We explored it in human OS cells.
Materials and Methods:
Multiple OS cell lines were exposed to a Wee1 inhibitor (AZD1775) and CDDP to assess the half-maximal inhibitory concentration values. Western blot, coimmunoprecipitation, confocal immunofluorescence, cell cycle, and Cell Counting Kit-8assays were performed to explore the connection between the Wee1/CDC2 and NF-κB pathways and their subsequent physiological contribution to CDDP resistance. Finally, CDDP-resistant PDX-OS xenograft models were established to confirm that AZD1775 restores the antitumor effects of CDDP.
Results:
A sensitivity hierarchy of OS cells to CDDP and AZD1775 exists. In the highly CDDP-tolerant cell lines, Wee1 and RelA were physically crosslinked, which resulted in increased abundance of phosphorylated CDC2 (Y15) and RelA (S536) and consequent modulation of cell cycle progression, survival, and proliferation. Wee1 inhibition restored the effects of CDDP on these processes in CDDP-resistant OS cells. In addition, animal experiments with CDDP-resistant PDX-OS cells showed that AZD1775 combined with CDDP not only restored CDDP efficacy but also amplified AZD1775 in inhibiting tumor growth and prolonged the median survival of the mice.
Conclusion
Simultaneous enrichment of molecules in the Wee1/CDC2 and NF-κB pathways and their consequent coactivation is a new molecular mechanism of CDDP resistance in OS cells. OS with this molecular signature may respond well to Wee1 inhibition as an alternative treatment strategy.
5.Analysis of erythrocyte agglutination characteristics of different subtypes of avian influenza virus
Zi LI ; Jia LIU ; Xiyan LI ; Lei YANG ; Zhixiao CHEN ; Yuchao WU ; Dayan WANG ; Liqi LIU
Chinese Journal of Experimental and Clinical Virology 2021;35(1):68-74
Objective:To understand the agglutination characteristics of different subtypes of avian influenza viruses, we selected erythrocytes from different sources to find suitable erythrocytes for influenza environmental sample detection.Methods:Different subtypes of avian influenza viruses, which were isolated from environmental sample between 2009 and 2016 in China, were selected to do hemagglutination assay using 5 animal erythrocytes (chicken, turkey, guinea pig, horse, and sheep). Flow cytometry was used to detect expression level and type of sialic acid receptors of different erythrocytes, and the characteristics of the receptor binding domain (RBD) of the viral hemagglutinin protein were analyzed by amino acid sequence.Results:In this study, a total of 28 strains of avian influenza virus including 14 subtypes were detected. The result showed that all viruses could agglutinate with turkey and guinea pig erythrocytes and the rest three erythrocytes were unable to produce agglutination with some viruses; among them, one H9N2 virus (A/environment/Anhui/43762/2015) did not agglutinate with chicken erythrocytes, one H1N1 virus (A/environment/Shandong/76972/2014) and two H9N2 viruses (A/environment/Chongqing/79449/2014 and A/environment/Anhui/43762/2015) did not agglutinate with horse erythrocytes, two viruses of H9N2 (A/environment/Chongqing/79449/2014 and A/environment/Anhui/43762/2015) and two viruses of H13N8 (A/environment/Qinghai Lake/166/2012 and A/environment/Qinghai Lake/13/2012) did not agglutinate with sheep erythrocytes. The result of flow cytometry showed that two sialic acid receptors, α-2, 3 and α-2, 6, were detected on the surface of erythrocytes of turkey, chicken and guinea pig, but the expression ratios of the two receptors were different. Only the expression of α-2, 3 sialic acid receptors was detected in horse and sheep erythrocytes. Sequence analysis suggested that amino acid substitution in key regions of viral hemagglutinin protein RBD may be an important factor affecting the binding properties of different erythrocytes.Conclusions:Our result suggested that turkey and guinea pig erythrocytes are the most sensitive in the hemagglutination test. Receptor expression and type of erythrocytes from different sources can significantly affect the agglutination reaction of different subtypes of avian influenza virus, and the amino acid changes in key regions of RBD can also affect the result of agglutination reaction.
6.Reexploration of glucose metabolism in childhood obesity
Wu Peng ; Deyun Liu ; Liqi Yang ; yue Yu
Acta Universitatis Medicinalis Anhui 2023;58(6):1016-1020
Objective :
To analyze the status of glucose metabolism in obese children.
Methods :
266 cases of obese children were included in the study,fasting plasma glucose ( FPG) ,fasting insulin ( FINS) ,glycosylated hemoglobin ( HbA1c) were measured ,Oral glucose tolerance test ( OGTT) and insulin release test ( IRT) were carried out,insulin resistance index ( HOMA-IR) ,quantified insulin sensitivity index ( QUICKI) and peak insu- lin /fasting insulin (Ip / I0 ) were calculated.Two hundred non-obese healthy children were used as control group, and glucose metabolism indexes were compared between the two groups. Glucose metabolism indexes and the incidence of insulin resistance (IR) were compared in children with different degrees of obesity .Prediabetes risk factors and body mass index(BMI) correlation were analyzed in obese children.
Results :
The proportion of predia- betes and type 2 diabetes mellitus in obese children was 18. 0% (48 /266) .FINS,HOMA-IR and HbA1c in obesi- ty group were higher than those in the control group,but QUICKI was lower than that in the control group (P < 0. 05) .There was no significant difference in FPG between the two groups (P = 0. 423) .FINS and HOMA-IR of severe obesity group were higher than those of mild to moderate obesity group,Ip / I0 was lower than that of mild to moderate obesity group (P<0. 05) ,and there was no significant difference in FPG,QUICKI,HbA1c and 2hPG of severe obesity group.There was no significant difference in IR incidence between mild to moderate obesity group and severe obesity group (P = 0. 163) .Logistic regression indicated that BMI and acanthosis nigricans was great influential on prediabetes with no statistical significance(P>0. 05) .Correlation analysis showed that BMI had no correlation with FPG (P = 0. 160) ,but was positively correlated with FINS,HOMA-IR , 2hPG and HbA1c (P < 0. 05) ,and negatively correlated with QUICKI and Ip / I0 (P<0. 05) .
Conclusion
Abnormal glucose metabolism is available in nearly 20% of obese children.The prevalence of insulin resistance in obese children is not affected by the degree of obesity.
7.Co-editing PINK1 and DJ-1 Genes Via Adeno-Associated Virus-Delivered CRISPR/Cas9 System in Adult Monkey Brain Elicits Classical Parkinsonian Phenotype.
Hao LI ; Shihao WU ; Xia MA ; Xiao LI ; Tianlin CHENG ; Zhifang CHEN ; Jing WU ; Longbao LV ; Ling LI ; Liqi XU ; Wenchao WANG ; Yingzhou HU ; Haisong JIANG ; Yong YIN ; Zilong QIU ; Xintian HU
Neuroscience Bulletin 2021;37(9):1271-1288
Whether direct manipulation of Parkinson's disease (PD) risk genes in the adult monkey brain can elicit a Parkinsonian phenotype remains an unsolved issue. Here, we used an adeno-associated virus serotype 9 (AAV9)-delivered CRISPR/Cas9 system to directly co-edit PINK1 and DJ-1 genes in the substantia nigras (SNs) of two monkey groups: an old group and a middle-aged group. After the operation, the old group exhibited all the classic PD symptoms, including bradykinesia, tremor, and postural instability, accompanied by key pathological hallmarks of PD, such as severe nigral dopaminergic neuron loss (>64%) and evident α-synuclein pathology in the gene-edited SN. In contrast, the phenotype of their middle-aged counterparts, which also showed clear PD symptoms and pathological hallmarks, were less severe. In addition to the higher final total PD scores and more severe pathological changes, the old group were also more susceptible to gene editing by showing a faster process of PD progression. These results suggested that both genetic and aging factors played important roles in the development of PD in the monkeys. Taken together, this system can effectively develop a large number of genetically-edited PD monkeys in a short time (6-10 months), and thus provides a practical transgenic monkey model for future PD studies.
Animals
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Brain
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CRISPR-Cas Systems/genetics*
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Dependovirus/genetics*
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Haplorhini
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Phenotype
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Protein Kinases/genetics*
8. Co-editing PINK1 and DJ-1 Genes Via Adeno-Associated Virus-Delivered CRISPR/Cas9 System in Adult Monkey Brain Elicits Classical Parkinsonian Phenotype
Hao LI ; Shihao WU ; Xia MA ; Jing WU ; Wenchao WANG ; Yingzhou HU ; Xintian HU ; Shihao WU ; Xiao LI ; Tianlin CHENG ; Zhifang CHEN ; Zilong QIU ; Xia MA ; Zilong QIU ; Xintian HU ; Longbao LV ; Xintian HU ; Ling LI ; Liqi XU ; Haisong JIANG ; Yong YIN ; Zilong QIU
Neuroscience Bulletin 2021;37(9):1271-1288
Whether direct manipulation of Parkinson’s disease (PD) risk genes in the adult monkey brain can elicit a Parkinsonian phenotype remains an unsolved issue. Here, we used an adeno-associated virus serotype 9 (AAV9)-delivered CRISPR/Cas9 system to directly co-edit PINK1 and DJ-1 genes in the substantia nigras (SNs) of two monkey groups: an old group and a middle-aged group. After the operation, the old group exhibited all the classic PD symptoms, including bradykinesia, tremor, and postural instability, accompanied by key pathological hallmarks of PD, such as severe nigral dopaminergic neuron loss (>64%) and evident α-synuclein pathology in the gene-edited SN. In contrast, the phenotype of their middle-aged counterparts, which also showed clear PD symptoms and pathological hallmarks, were less severe. In addition to the higher final total PD scores and more severe pathological changes, the old group were also more susceptible to gene editing by showing a faster process of PD progression. These results suggested that both genetic and aging factors played important roles in the development of PD in the monkeys. Taken together, this system can effectively develop a large number of genetically-edited PD monkeys in a short time (6–10 months), and thus provides a practical transgenic monkey model for future PD studies.