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Wu SJ, Liu XH, Wu W, Qian M, Li L, Zhang L, Yang HH, Guan M, Cao J, Wang YN, Ruan GR, Niu N, Liu YX. [Tocilizumab therapy for immune checkpoint inhibitor associated myocarditis: a case report]. ZHONGHUA XIN XUE GUAN BING ZA ZHI 2022; 50:397-400. [PMID: 35399037 DOI: 10.3760/cma.j.cn112148-20210511-00412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
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Liu YX, Pan YQ, Yang L, Ahmad S, Zhou XB. Stover return and nitrogen application affect soil organic carbon and nitrogen in a double-season maize field. PLANT BIOLOGY (STUTTGART, GERMANY) 2022; 24:387-395. [PMID: 34866298 DOI: 10.1111/plb.13370] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Accepted: 11/07/2021] [Indexed: 06/13/2023]
Abstract
Cultivation techniques have an important influence on grain yield of maize. This experiment investigated the effect of stover return (SR) and different nitrogen (N) application rate on soil organic carbon (SOC) composition, soil nutrient and maize yield. Different nitrogen application rate 100 (N100), 150 (N150), 200 (N200), 250 (N250) or 300 (N300) kg ha-1 applied to the maize field with stover return and without stover return traditional planting (TP) method. Nitrogen application rate and stover return affected the SOC, labile organic carbon (LOC), microbial biomass (MBC), NO3 - -N, NH4 + -N and maize yield. Soil N, soil carbon content and maize yield of SR were all higher than TP. The SOC content of SR and TP were 9.67 and 9.19 g kg-1 , respectively. Nitrogen application was significantly and positively correlated with soil MBC, LOC, SOC, NO3 - -N, NH4 + -N and yield. The maximum values of SOC composition, soil nutrients and maize yield were reached at SR with 250 kg ha-1 . Stover return with application of N 250 kg ha-1 significantly increased the growth attribute and maize yield in subtropical region compared with traditional planting.
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Hou WH, Duan XK, Hou WD, Liu YX, Wang JH, Wang XZ, Ma LJ, Shi ZY, Li QM, Jin ML. [Clinicopathological features of very well-differentiated adenocarcinoma of the stomach]. ZHONGHUA BING LI XUE ZA ZHI = CHINESE JOURNAL OF PATHOLOGY 2022; 51:96-102. [PMID: 35152626 DOI: 10.3760/cma.j.cn112151-20210723-00525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Objective: To investigate the clinicopathological features of very well-differentiated adenocarcinoma (VWDA) of the stomach. Methods: The clinicopathological data of 12 cases of VWDA of the stomach were collected retrospectively at the People's Liberation Army Joint Logistics Support Force 989 Hospital (formerly 152 Hospital), Pingdingshan, China, from January 2013 to May 2021. The histological characteristics and immunophenotypes were observed and analyzed with review of current literature. Results: There were 8 males and 4 females with a median age of 63 years (range 47 to 80 years). The tumor involved in the upper part of the stomach in 6 cases, the middle part in 2 cases, and the lower part in 4 cases. The median diameter of the tumors was 17 mm (range 5-65 mm). The tumor cells were similar to absorbent cells, Paneth cells, foveolar epithelial cells, and goblet cells. The cells were arranged in a single layer, and the nuclei were slightly enlarged and located at the base. The nuclei were fusiform to slightly irregular, with loss of nuclear polarity. Early tubular VWDA was found in 9 cases, and the tumor glands were similar to intestinal metaplasia. In two cases the tumors infiltrated into the submucosa. The lesions in the mucosa and submucosa showed the glands with cystic expansion, bending, branching, spiky and abortive growth pattern. One case of early papillary tubular VWDA was confined to the mucosal layer and composed of foveolar-type epithelial cells. There were two cases of advanced papillary tubular VWDA, which consisted of foveolar-type epithelial, pyloric glands, or mucinous neck cells and were associated with intra-lymphatic cancer embolus and lymph node metastases. Background mucosal atrophy and intestinal metaplasia were observed in all cases. Immunohistochemical staining showed intestinal type VWDA in 1 case, mixed gastrointestinal type VWDA in 9 cases, and gastric type VWDA in 2 cases. The Ki-67 proliferation index of 8 cases limited to the mucosa was 40%-70%, 2 cases of infiltration into the submucosa and 2 cases of advanced carcinoma was 10%-25%. All the tumors showed a wild type of p53 protein expression pattern and negative HER2. Adenocarcinoma or high-grade dysplasia was diagnosed on preoperative biopsy in 5 cases, and chronic atrophic gastritis with intestinal metaplasia in 7 cases. The median follow-up time was 28 months (range 12-72 months). No recurrence was found in the 10 patients with early cancer. Of the two patients with advanced carcinoma, one patient had lung metastases and the other died. Conclusions: Gastric VWDA is a rare low-grade malignancy with structural features of highly differentiated adenocarcinoma and extremely low cytological atypia. The diagnostic value of structural abnormality is significantly greater than cytological atypia. The invasive growth of irregular glands in the deep mucosa and submucosa is reliable evidence for diagnosis. The diagnosis of intramucosal VWDA is challenging and very difficult in some biopsy specimens.
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Wang LC, Liu YX, Dun YJ, Sun XG. Early and mid-term outcomes of modified aortic root repair for acute stanford type A aortic dissection. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.2007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Acute Stanford type A aortic dissection (ATAAD) is the most common catastrophic aortic event. Most ATAAD involves the aortic root which has many important anatomical structures such as aortic valve, so the proper treatment of dissected root can ensure a good prognosis for patients. However, there is still no consensus on root management strategies for ATAAD patients with aortic root involvement.
Purpose
This clinical study aimed to evaluate the therapeutic effect of modified aortic root repair in ATAAD.
Methods
From September 2017 to September 2020, Participants with root involvement of ATAAD were recruited who underwent modified aortic root repair as well as some additional procedure such as aortic valve junction suspension plasty based on the aortic sinus tear extent. During this novel procedure, the proximal anastomosis plane was at the level of the sinu-tubular junction and the false lumen below it was retained. We collected and analyzed the perioperative clinical data and follow-up imaging data of patients, and further evaluated the early and mid-term efficacy of this surgical approach.
Results
A total of 79 patients were enrolled, including 59 males and 20 females, the age was (52.4±11.3) years old (28–73 years), the diameter of aortic sinus was (38.6±4.1) mm, and the diameter of sinu-tubular junction was (41.8±4.8) mm. In this group, 75 patients (94.9%) received ascending aorta replacement, total arch replacement and frozen elephant trunk, 2 patients (2.5%) received ascending aorta replacement and hybrid total arch replacement, 2 patients (2.5%) received ascending aorta replacement and partial arch replacement. Cardiopulmonary bypass time was (197.2±58.6) min (118–455 min), blocking time was (132.6±38.9) min (73–323 min), circulatory arrest time was (10.3±7.0) min (0–27 min). There was no perioperative death, no paraplegia, one secondary thoracotomy, five renal failures needing hemodialysis treatment and two cerebral infarctions. Before patients discharged, aortic CTA showed that the residual false lumen in the sinus disappeared. And the diameter of the aortic sinus was (35.5±3.1) mm, the diameter of the junction of the aortic sinus was (30.0±3.0) mm. The patients were followed up for (18±12) months (3–35 months). There was one patient died during follow-up and no further surgical intervention at the root of the aorta. Follow-up aortic CTA showed no residual or new dissection in the aortic sinus and no significant difference in the diameters of aortic sinu-tubular junction (P=0.122) or aortic sinus (P=0.37) between postoperative period and follow-up period. Echocardiography showed that the structure and function of the aortic valve were normal.
Conclusions
The modified aortic root repair for ATAAD is relatively simple, easy to learn and safe in perioperative period. Early and mid-term follow-up image examination showed that the structure of aortic sinus returned to normal. The long-term clinical effect requires close attention.
Funding Acknowledgement
Type of funding sources: None. Modified aortic root repair procedureAortic root diameter change under CTA
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Ma LL, Liu YX, Guo SP. [Breast secretory carcinoma with predominant papillary morphology: report of a case]. ZHONGHUA BING LI XUE ZA ZHI = CHINESE JOURNAL OF PATHOLOGY 2021; 50:1183-1185. [PMID: 34619877 DOI: 10.3760/cma.j.cn112151-20210323-00225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Yang X, Chen S, Qi Y, Xu XY, Guan X, Yang YC, Liu YX, Guo YH, Gong WC, Gao YN, Wang XH, Li W, Li LF, Fu K, Zhang HL, Meng B. [Research of prognostic immunophenotypes in 163 patients of diffuse large B-cell lymphoma]. ZHONGHUA XUE YE XUE ZA ZHI = ZHONGHUA XUEYEXUE ZAZHI 2021; 42:487-494. [PMID: 34384155 PMCID: PMC8295611 DOI: 10.3760/cma.j.issn.0253-2727.2021.06.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
目的 筛选并分析与弥漫大B细胞淋巴瘤(DLBCL)预后相关的免疫表型,探究其预后价值。 方法 选取天津医科大学肿瘤医院2011年1月至2016年12月收治的163例DLBCL患者,免疫组织化学染色检测DLBCL常见免疫表型,COX模型探索独立于国际预后指数(IPI)影响总生存(OS)与无进展生存(PFS)的免疫表型,并分析其两两联合表达对预后的影响。 结果 多因素分析显示BCL6阴性(PFS:HR=1.652,95% CI 1.030~2.649,P=0.037)、P53阳性(OS:HR=1.842,95% CI 1.008~3.367,P=0.047)、BCL2强阳性(OS:HR=2.102,95%CI 1.249~3.537,P=0.005;PFS:HR=2.126,95% CI 1.312~3.443,P=0.002)是DLBCL中独立于IPI的预后不良因素。亚组分析显示,在年龄≤60岁组患者中BCL6阴性(PFS:HR=2.042,95%CI 1.021~4.081,P=0.043)、P53阳性(OS:HR=3.069,95% CI 1.244~7.569,P=0.015)和BCL2强阳性(OS:HR=2.433,95% CI 1.165~5.082,P=0.018;PFS:HR=3.209,95%CI 1.606~6.410,P=0.001)对预后影响显著;在IPI 0~2分亚组患者中,BCL6阴性(OS:HR=2.467,95%CI 1.322~4.604,P=0.005;PFS:HR=2.248,95%CI 1.275~3.965,P=0.005)和BCL2强阳性(PFS:HR=2.045,95%CI 1.119~3.735,P=0.020)对预后影响显著。BCL6和BCL2强阳性的联合表达与DLBCL的预后相关(P=0.005和P<0.001),BCL6阳性/BCL2非强阳性(86例)预后最好[3年OS率(71.6±4.9)%,3年PFS率(67.0±5.1)%],BCL6阴性/BCL2强阳性(10例)预后最差[3年OS率(20.0±12.6)%,3年PFS率(10.0±9.5)%];BCL6、P53的联合表达与DLBCL的预后差异无统计学意义(P=0.061和P=0.089),但生存曲线显示BCL6阳性/P53阴性的病例(98例)预后较好[3年OS率(70.6±4.7)%,3年PFS率(64.6±4.9)%];BCL2强阳性、P53的联合表达与DLBCL的预后显著相关(P<0.001和P<0.001),BCL2强阳性/P53阳性的病例(5例)预后最差(3年OS率和PFS率均为0);无论BCL6与P53表达如何,BCL2强阳性的病例预后均比非强阳性病例差。 结论 BCL6阴性、P53阳性、BCL2强阳性三种免疫表型单独及联合表达对DLBCL尤其是年龄≤60岁和IPI 0~2分患者的预后预测具有一定价值。
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Wu Y, Lu JX, Yan ZZ, Liu YX, Gu WP, Fu XQ, Xu YC, Wu AH, Huang HH, Zong ZY, Jin DZ, Zhao JH, Chen Y, Liu WP, Li WG. [Interpretation of group standard for Clostridioides difficile infection diagnosis]. ZHONGHUA LIU XING BING XUE ZA ZHI = ZHONGHUA LIUXINGBINGXUE ZAZHI 2021; 42:64-67. [PMID: 33503698 DOI: 10.3760/cma.j.cn112338-20201026-01272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Clostridioides difficile is a key pathogen of antibiotic related diarrhea and hospital associated infection, causing several outbreaks in Europe and North Americans and resulting in severe disease burden. However, the standardized diagnostic principle and detection specifications in C. difficile infection (CDI) survey are limited in China, and the infection rate and disease burden of CDI in China are unclear. Therefore, National Institute for Communicable Disease Control and Prevention,National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, together with another 11 institutions, draft the group standard entitled "Diagnosis of Clostridium difficile infection (T/CPMA 008-2020)" of Chinese Preventive Medicine Association. Based on the principle of "legality, scientificity, advancement, and feasibility", this standard clarifies risk factors, diagnosis principles, diagnoses and differential diagnoses in order to improve the accuracy of CDI diagnosis in clinical practice, guide the surveillance for CDI, and understand the infection rate and disease burden of CDI in China.
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Liu HH, Zhang MQ, Tian ZH, Liu PF, Liu YX, Zhang XX. Flexible thermoelectric nanodevices based on three-dimensional networks of poly(3,4-ethylenedioxythiophene) nanowires and graphene. HIGH PERFORM POLYM 2020. [DOI: 10.1177/0954008320974432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Freestanding poly(3,4-ethylenedioxythiophene) (PEDOT) nanowires (NWs) were synthesized using a facile, self-assembled, micellar soft-template method. Thermoelectric properties of the PEDOT NWs under different reaction conditions were measured, and optimal experimental conditions were confirmed. To obtain preferential thermoelectric performance, PEDOT NWs/graphene composite films with various graphene mass fractions were fabricated. The maximum power factor of the hybrids was observed to reach 42.0 μWm−1K−2 with 3 wt% graphene loading, corresponding to a 200% improvement compared with pure PEDOT NWs. The thermoelectric devices were investigated using the PEDOT NWs/graphene hybrids as a p-type leg and PEDOT NWs/nitrogen-doped graphene as an n-type leg. The device, in series, shows a preferable cooling effect with an approximate temperature decrease of 0.5°C after energization. Our work provides a novel means of fabricating n-type PEDOT hybrids and promotes their practical applications as thermoelectric coolers. These findings indicate a new means of developing high-performance, flexible, organic thermoelectric materials and devices.
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Chen L, Liu YX, Zhao CQ. [The developments of cervical gastric-type adenocarcinoma and its spectrum lesions]. ZHONGHUA BING LI XUE ZA ZHI = CHINESE JOURNAL OF PATHOLOGY 2020; 49:861-866. [PMID: 32746562 DOI: 10.3760/cma.j.cn112151-20200225-00140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Jiang SW, Gao H, Wu L, Wang GW, Cen FL, Li JX, Feng C, Wen JM, Chen Y, He RL, Qiao K, Wang Y, Liu YX, Wang ZQ. [Clinical feature changes of a COVID-19 patient from mild to critical condition and cardiopulmonary pathological results]. ZHONGHUA XIN XUE GUAN BING ZA ZHI 2020; 48:580-586. [PMID: 32455515 DOI: 10.3760/cma.j.cn112148-20200304-00155] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To analyse the clinical history, laboratory tests and pathological data of a patient who suffered from novel coronavirus pneumonia(COVID-19) and provide reference for the clinical treatment of similar cases. Methods: Data of clinical manifestation, laboratory examination, bronchoscopy, echocardiography and cardiopulmonary pathological results were retrospectively reviewed in a case of COVID-19 with rapid exacerbation from mild to critical condition. Results: This patient hospitalized at day 9 post 2019 novel coronavirus(2019-nCoV) infection, experienced progressive deterioration from mild to severe at day 12, severe to critical at day 18 and underwent extracorporeal membrane oxygenation(ECMO) and continuous renal replacement therapy(CRRT) as well as heart lung transplantation during day 28-45 post infection, and died at the second day post heart and lung transplantation. The patient had suffered from hypertension for 8 years. At the early stage of the disease, his symptoms were mild and the inflammatory indices increased and the lymphocyte count decreased continuously. The patient's condition exacerbated rapidly with multi-organ infections, and eventually developed pulmonary hemorrhage and consolidation, pulmonary hypertension, right heart failure, malignant ventricular arrhythmias, liver dysfunction, etc. His clinical manifestations could not be improved despite viral RNAs test results became negative. The patient underwent lung and heart transplantation and finally died of multi organ failure at the second day post lung and heart transplantation. Pathological examination indicated massive mucus, dark red secretions and blood clots in bronchus. The pathological changes were mainly diffused pulmonary hemorrhagic injuries and necrosis, fibrosis, small vessel disease with cardiac edema and lymphocyte infiltration. Conclusions: The clinical course of severe COVID-19 can exacerbate rapidly from mild to critical with lung, liver and heart injuries.
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Huang P, Chen S, Yang X, Lei YY, Xu XY, Liu YX, Guo YH, Pan Y, Wang XH, Zhang HL, Fu K, Meng B. [Prognostic evaluation of P53 and BCL2 proteins in MYC/BCL2 double expression DLBCL]. ZHONGHUA XUE YE XUE ZA ZHI = ZHONGHUA XUEYEXUE ZAZHI 2020; 40:589-593. [PMID: 32397023 PMCID: PMC7364905 DOI: 10.3760/cma.j.issn.0253-2727.2019.07.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the strong expression (S+) of P53 and BCL2 proteins in MYC/BCL2 double-expression DLBCL (DEL) and whether they can be used for the prognostic evaluation and stratified diagnosis of DELs. Methods: Tissue microarray were made by filed FFPE blocks of 174 DLBCL cases. The translocation of MYC, BCL2 and BCL6 genes were detected by FISH, and the proteins were detected by IHC. Data of clinicopathologic features and follow up of patients were collected and OS (overall survival) and PFS (progression free survival) were analyzed by statistics. Results: Eight double-hit lymphomas (DHLs) were identified in all cases, and 45 DELs were selected from 166 remaining cases, which have no significant difference in OS and PFS compared with non-DEL cases (P=0.668 and P=0.790) . Of 42 DEL-cases with follow up data, 24 cases with P53+ or/and BCL2 (S+) are significantly shorter OS and PFS than others (P=0.003 and P=0.000) , in which the cases with P53+/BCL2 (S+) co-expression were the worst prognosis, and P53/BCL2 co-weaker positive DEL cases even have superior OS and PFS than those non-DELs. Although statistics showed that the cases of P53+ or/and BCL2 (S+) have a lower OS and PFS in total cases (P=0.063 and P=0.024) , it is not the case when the DEL-cases take out from total cases, that is the cases with P53+ or/and BCL2 (S+) are as similar OS and PFS as others in non-DEL group (P=0.590 and P=0.550) . Conclusion: The strong expression of P53 and BCL2 proteins can be used as indicators of stratified diagnosis and poor prognosis of DEL.
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Li HY, Liu YX, Harvey L, Shafaeizadeh S, van der Beek EM, Han W. A mouse model of gestation-specific transient hyperglycemia for translational studies. J Endocrinol 2020; 244:501-510. [PMID: 31910155 DOI: 10.1530/joe-19-0516] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Accepted: 12/23/2019] [Indexed: 11/08/2022]
Abstract
The prevalence of gestational diabetes mellitus (GDM) is estimated at 14% globally, and in some countries, such as Singapore, exceeds 20%. Both women and children exposed to GDM have an increased risk of later metabolic diseases, cardiovascular disease and other health issues. Beyond lifestyle changes and pharmaceutical intervention using existing type 2 diabetes medications for expecting women, there are limited treatment options for women with GDM; targeting better outcomes of potentially affected infants is unexplored. Numerous animal models have been generated for understanding of pathological processes of GDM development and for development of treatment strategies. These models, however, suffer from limited windows of opportunity to examine risk factors and potential intervention options. By combining short-term high-fat diet (HFD) feeding and low-dose streptozotocin (STZ) treatments before pregnancy, we have established a mouse model with marked transient gestation-specific hyperglycemia, which allows testing of nutritional and pharmacological interventions before, during and beyond pregnancy.
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Wang XF, Yuan J, Zheng YJ, Chen J, Bao YM, Wang YR, Wang LF, Li H, Zeng JX, Zhang YH, Liu YX, Liu L. [Retracted: Clinical and epidemiological characteristics of 34 children with 2019 novel coronavirus infection in Shenzhen]. ZHONGHUA ER KE ZA ZHI = CHINESE JOURNAL OF PEDIATRICS 2020. [PMID: 32062875 DOI: 10.3760/cma.j.issn.0578-1310.2020.0008)] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Objective: To describe the characteristics of clinical manifestations and epidemiology of children with 2019 novel coronavirus (2019-nCoV) infection. Methods: All 34 children with laboratory-confirmed 2019-nCoV infection by quantitative real-time reverse transcription-PCR through nasopharyngeal swab specimens were admitted to the Third People's Hospital of Shenzhen from January 19 to Febuary 7, 2020. Clinical data and epidemiological history of these patients were retrospectively collected and analyzed. Results: Among the 34 cases, 14 were males, and 20 were females. The median age was 8 years and 11 months. No patients had underlying diseases. There were 28 children (82%) related with a family cluster outbreak. There were 26 children (76%) with a travel or residence history in Hubei Province. These patients could be categorized into different clinical types, including 22 (65%) common cases, 9 (26%) mild cases and 3 (8.8%) asymptomatic cases. No severe or critical cases were identified. The most common symptoms were fever (17 cases, 50%) and cough (13 cases, 38% ). In the 34 cases, the white blood cell counts of 28 cases (82%) were normal. Five cases had white blood cell counts more than 10×10(9)/L. One case had white blood cell counts less than 4×10(9)/L. Neutropenia and lymphopenia was found in one case, respectively. C-reactive protein levels and erythrocyte sedimentation rates were elevated in 1 and 5 case, respectively. Elevated procalcitonin was found in 1 case and D-Dimer in 3 cases. The levels of lactic dehydrogenase (LDH) were more than 400 U/L in 10 cases. The CT images of these patients showed bilateral multiple patchy or nodular ground-glass opacities and/or infiltrating shadows in middle and outer zone of the lung or under the pleura. Twenty patients were treated with lopinavir and ritonavir. Glucocorticoids and immunoglobulin were not used in any cases. All the cases improved and were discharged from hospital. Further following up was need. Conclusions: The clinical manifestations in children with 2019-nCoV infection are non-specific and are milder than that in adults. Chest CT scanning is heplful for early diagnosis. Children's infection is mainly caused by family cluster outbreak and imported cases. Family daily prevention is the main way to prevent 2019-nCoV infection.
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Wang XF, Yuan J, Zheng YJ, Chen J, Bao YM, Wang YR, Wang LF, Li H, Zeng JX, Zhang YH, Liu YX, Liu L. [Retracted: Clinical and epidemiological characteristics of 34 children with 2019 novel coronavirus infection in Shenzhen]. ZHONGHUA ER KE ZA ZHI = CHINESE JOURNAL OF PEDIATRICS 2020; 58:E008. [PMID: 32062875 DOI: 10.3760/cma.j.issn.0578-1310.2020.0008] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To describe the characteristics of clinical manifestations and epidemiology of children with 2019 novel coronavirus (2019-nCoV) infection. Methods: All 34 children with laboratory-confirmed 2019-nCoV infection by quantitative real-time reverse transcription-PCR through nasopharyngeal swab specimens were admitted to the Third People's Hospital of Shenzhen from January 19 to Febuary 7, 2020. Clinical data and epidemiological history of these patients were retrospectively collected and analyzed. Results: Among the 34 cases, 14 were males, and 20 were females. The median age was 8 years and 11 months. No patients had underlying diseases. There were 28 children (82%) related with a family cluster outbreak. There were 26 children (76%) with a travel or residence history in Hubei Province. These patients could be categorized into different clinical types, including 22 (65%) common cases, 9 (26%) mild cases and 3 (8.8%) asymptomatic cases. No severe or critical cases were identified. The most common symptoms were fever (17 cases, 50%) and cough (13 cases, 38% ). In the 34 cases, the white blood cell counts of 28 cases (82%) were normal. Five cases had white blood cell counts more than 10×10(9)/L. One case had white blood cell counts less than 4×10(9)/L. Neutropenia and lymphopenia was found in one case, respectively. C-reactive protein levels and erythrocyte sedimentation rates were elevated in 1 and 5 case, respectively. Elevated procalcitonin was found in 1 case and D-Dimer in 3 cases. The levels of lactic dehydrogenase (LDH) were more than 400 U/L in 10 cases. The CT images of these patients showed bilateral multiple patchy or nodular ground-glass opacities and/or infiltrating shadows in middle and outer zone of the lung or under the pleura. Twenty patients were treated with lopinavir and ritonavir. Glucocorticoids and immunoglobulin were not used in any cases. All the cases improved and were discharged from hospital. Further following up was need. Conclusions: The clinical manifestations in children with 2019-nCoV infection are non-specific and are milder than that in adults. Chest CT scanning is heplful for early diagnosis. Children's infection is mainly caused by family cluster outbreak and imported cases. Family daily prevention is the main way to prevent 2019-nCoV infection.
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Zhu SJ, Wang EH, Hamilton JH, Ramayya AV, Liu YX, Brewer NT, Luo YX, Rasmussen JO, Xiao ZG, Huang Y, Ter-Akopian GM, Oganessian T. Coexistence of Reflection Asymmetric and Symmetric Shapes in ^{144}Ba. PHYSICAL REVIEW LETTERS 2020; 124:032501. [PMID: 32031833 DOI: 10.1103/physrevlett.124.032501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Revised: 12/24/2019] [Indexed: 06/10/2023]
Abstract
Level structures in the neutron-rich ^{144}Ba nucleus have been reinvestigated by measuring prompt γ rays in the spontaneous fission of ^{252}Cf. The previous s=+1 octupole band structure with reflection asymmetric shape has been expanded, and a side quadrupole band structure based on a 3^{+} state with reflection symmetric shape is identified. Thus, the results show the coexistence of reflection asymmetric and symmetric shapes in ^{144}Ba. This is a first identification of such a shape coexistence structure in a nuclear structure. The other structural characteristics are discussed.
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Liu YX, Zhang B, Zhang N, Liu ZL. Fabricating fiber probes for optical tweezers by an improved tube etching method. APPLIED OPTICS 2019; 58:7950-7956. [PMID: 31674346 DOI: 10.1364/ao.58.007950] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Accepted: 09/06/2019] [Indexed: 06/10/2023]
Abstract
An improved tube etching method to fabricate high-quality fiber probes for optical tweezers by reserving a certain length of bare fiber to form a T-type composite structure was proposed and implemented. This method can overcome the impact of fiber types on the quality of probes in the conventional tube etching effectively. Based on the influence of gravity and diffusion on the motion of reactants, the analysis of formation mechanism was proposed for this method. This procedure retained the advantage of smooth surface in traditional tube etching but shortened the etching time. Our results also demonstrated that light transmittance of the probe fabricated by this method was improved by 6.8 times, resulting in a greater force in cells trapping. This work provided a way of designing and fabricating optical fiber tweezers with a high trapping efficiency.
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Miao L, Yang WN, Dong XQ, Zhang ZQ, Xie SB, Zhang DZ, Zhang XQ, Cheng J, Zhang G, Zhao WF, Xie Q, Liu YX, Ma AL, Li J, Shang J, Bai L, Cao LH, Zou ZQ, Li JB, Lyu FD, Liu H, Wang ZJ, Zhang MX, Chen LM, Liang WF, Gao H, Zhuang H, Zhao H, Wang GQ. [Combined anluohuaxianwan and entecavir treatment significantly improve the improvement rate of liver fibrosis in patients with chronic hepatitis B virus infection]. ZHONGHUA GAN ZANG BING ZA ZHI = ZHONGHUA GANZANGBING ZAZHI = CHINESE JOURNAL OF HEPATOLOGY 2019; 27:521-526. [PMID: 31357778 DOI: 10.3760/cma.j.issn.1007-3418.2019.07.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Objective: To explore the improvement rate of liver fibrosis in patients with chronic hepatitis B virus infection who received entecavir alone or in combination with anluohuaxianwan for 78 weeks. Methods: Patients with chronic HBV infection were randomly treated with entecavir alone or in combination with anluohuaxian for 78 weeks. Ishak fibrosis score was used for blind interpretation of liver biopsy specimens. The improvement in liver fibrosis condition before and after the treatment was compared. Student's t test and non-parametric test (Mann-Whitney U-Test and Kruskal-Wallis test) were used to analyze the measurement data. The categorical variables were analyzed by Chi-square test method and Spearman's rank correlation coefficient was used to test bivariate associations. Results: Liver fibrosis improvement rate after 78 weeks of treatment was 36.53% (80/219) and the progression rate was 23.29% (51/219). The improvement of liver fibrosis was associated to the degree of baseline fibrosis and treatment methods (P < 0.05). The improvement rate of hepatic fibrosis in patients treated with anluohuaxianwan combined with entecavir at baseline F < 3 (54.74%, 52/95) was significantly higher than that in patients treated only with entecavir (33.33%, 16/48), P = 0.016 and the progression rate of hepatic fibrosis (13.68%, 13/95) was lower than that in patients treated alone (18.75%, 9/48), P = 0.466. In patients with baseline F < 3, the proportion of patients with improved and stable liver fibrosis in the combined treatment group (68.1%, 32/47) was higher than that in the treatment group alone (51.7%, 15/29). Conclusion: Combined anluohuaxianwan and entecavir treatment can significantly improve the improvement rate of liver fibrosis in patients with chronic hepatitis B virus infection. Furthermore, it has the tendency to improve the stability rate and reduce the rate of progression of liver fibrosis.
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Liu YX, Cai C, Huang J, Jia WP. [Strategy for dissemination of diabetes peer support through community health centers of Shanghai]. ZHONGHUA NEI KE ZA ZHI 2019; 58:389-391. [PMID: 31060150 DOI: 10.3760/cma.j.issn.0578-1426.2019.05.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
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Wang H, Hai S, Liu YX, Cao L, Liu Y, Liu P, Yang Y, Dong BR. Associations between Sarcopenic Obesity and Cognitive Impairment in Elderly Chinese Community-Dwelling Individuals. J Nutr Health Aging 2019; 23:14-20. [PMID: 30569063 DOI: 10.1007/s12603-018-1088-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
INTRODUCTION This study aimed to estimate the prevalence of sarcopenic obesity (SO) and the association between cognitive impairment and SO in a cohort of elderly Chinese community-dwelling individuals. METHODS A total of 948 elderly Chinese community-dwelling individuals aged 60-92 years were recruited. The participants were categorized into the following four groups according to their sarcopenia and obesity status: sarcopenic obese, sarcopenic, obese and non-sarcopenic, and non-obese group. Sarcopenia was defined as appendicular skeletal muscle index of <7.0 kg/m2 in men and <5.7 kg/m2 in women; obesity was defined as values greater than the upper two quintiles for body fat percentage stratified by gender of the study population; cognitive impairment was measured using the Mini-Mental State Examination and defined as a score of <24. RESULTS A total of 945 participants were included in the statistical analyses with a mean age of 68.76 ± 6.50 years. The prevalence of SO was 6.0% (7.3% in men and 4.8% in women). The sarcopenic obese (odds ratio [OR]: 2.550, 95% confidence interval [CI], 1.196-5.435) and obese (ORs: 2.141, 95% CI, 1.230-3.728) groups had significantly increased risk for cognitive impairment in fully adjusted model, respectively. CONCLUSION The SO prevalence in elderly Chinese community-dwelling individuals was relatively low (6.0%). The present study suggested SO was independently associated with cognitive impairment.
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Liu YX, Wang RH. [An exploration on the factors of Jiao Xun's compilation and edit of Wu shi ben cao ( Wu's Materia Medica)]. ZHONGHUA YI SHI ZA ZHI (BEIJING, CHINA : 1980) 2018; 48:334-341. [PMID: 30669770 DOI: 10.3760/cma.j.issn.0255-7053.2018.06.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Wu shi ben cao (Wu's Materia Medica) written by Wu Pu was long lost. Jiao Xun of the Qing Dynasty was the first to compile and edit this book. The background of Jiao's work included: ① the necessary for revising Mao shi niao shou cao mu chong yu shi (Annotation to the Bird, Beast, Grass, Wood, Insect and Fish in Mao's Book of Songs); ② fond of medicine; ③ the feeling of retaining hometown documents; ④ the influence of the traditional style of compilation and edit; whereas Jiao's intrinsic characteristics included: ① a wealth of books and convenient borrowing environment; ② the habit of reading and transcription; ③ the thought of pu xue (the School of ancient textual criticism), that is "using the Confucian's method to study medical classics" ; ④ the methods of studying classics based on the classical texts; ⑤ high literate level of compilation of losing texts of classics. The original texts of Wu shi ben cao was thus resumed preliminarily by Jiao Xun's work.
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Qin GJ, Zhao YZ, Liu YX, Li C, Cao J, Cheng QC, Xiao XH, Lu Q. [Study on the effects of total flavonoids from litchi nucleus on nuclear translocation of nuclear factor-kappa B and related protein expression in rat hepatic stellate cell]. ZHONGHUA GAN ZANG BING ZA ZHI = ZHONGHUA GANZANGBING ZAZHI = CHINESE JOURNAL OF HEPATOLOGY 2018; 26:535-539. [PMID: 30317778 DOI: 10.3760/cma.j.issn.1007-3418.2018.07.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: The effect of total flavonoids of litchi (TFL) on nuclear translocation of nuclear factor-kappa B (NF- kappa B) in rat hepatic stellate cell line (HSC-T6) induced by transforming growth factor - beta 1 (TGF- beta 1) in vitro was studied to explore the mechanism of action of anti-hepatic fibrosis drugs. Methods: HSC-T6 was cultured in vitro, induced by TGFβ1 for 24 h, and then treated with TFL at 125, 250 and 500 μg/ml for 48 h. The effect of TFL on NF-κB nuclear translocation in HSC-T6 was observed by confocal laser microscopy. The effects of TFL on the expression of TLR4, p-IκB ɑ, p-NF-κB p65, NF-κB and Collagen I protein were detected by western blot. The expressions of TLR4 and p-NF-κB p65 were detected by immunofluorescence. Data were presented as mean±SEM. Homogeneity test of variance was performed and then followed by one-way analysis of variance (ANOVA). The multiple comparisons between groups were performed by LSD test. P < 0.05 was considered statistically significant. Results: Confocal laser scanning microscopy showed TFL inhibited the nuclear translocation of NF-κB in activated HSC-T6 in a concentration-dependent manner and TFL down regulated the protein expression levels of TLR4, p-IκB ɑ, p-NF-κB p65, NF-κB and collagen I protein in HSC-T6 in a concentration-dependent manner. Conclusion: The mechanism of TFL against hepatic fibrosis may be related to the inhibition of nuclear translocation of NF-κb in the activated HSC-T6 and the expression of TLR4, P-iκbɑ, P-nf-κb p65, NF-κb and collagen I protein in HSC-T6.
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Dai L, Liu YX, Xie L, Di W. [Effect of S1PR2 inhibition on epithelial ovarian cancer SKOV3 cell proliferation in vitro and in vivo]. ZHONGHUA FU CHAN KE ZA ZHI 2018. [PMID: 29534379 DOI: 10.3760/cma.j.issn.0529-567x.2018.02.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To study the effect and mechanism of S1PR2 inhibition on epithelial ovarian cancer SKOV3 cell proliferation in vitro and in vivo. Methods: (1) A pair of S1PR2 gene small interference RNA (siRNA) , namely si-S1PR2, and a pair of negative control siRNA were designed. Western blot methods were used to detect the silence efficiency of the S1PR2 in the si-S1PR2 group, blank control group and negative control group. (2) Study in vitro: the experiment included three groups, namely si-S1PR2 group, blank control group and negative control group. Cell counting kit-8 (CCK-8) assay was used to detect the proliferation inhibition rates of the transfected cells. The cell cycles of the transfected cells were measured by flow cytometry. Western blot was used to detect the levels of phosph-extracellular regulated protein kinase 1/2 (p-ERK1/2) of the transfected cells. (3) Study in vivo:to establish intraperitoneal transplantation models, 8 mice in each group were intraperitoneally injected with 5×10(6) SKOV3 cells. Phosphate buffered saline (PBS) or JTE-013 were administered into mice twice per week starting on day 7 after the injection of the cancer cells. Twenty-eight days after nude mice intraperitoneal injection with JTE-013 or PBS, the mice were sacrificed and the number and the weight of visible tumors were calculated. Results: (1) The results of western blot showed that the relative S1PR2 protein expression levels were 0.24±0.04 in the si-S1PR2 group, which was lower than that in the blank control group (1.10±0.14, P<0.01) and negative control group (1.07±0.13, P<0.01) . (2) The results of CCK-8 assay indicated that after transfected for 24, 48 and 72 hours, the proliferation inhibition rate of si-S1PR2 group were respectively (26.6±3.3) %, (35.0±3.4) %, and (34.0±2.8) %, significantly lower than those in the blank control group (all 0; all P<0.01) and negative control group [ (1.7±0.9) %, (2.5±0.5) %,and (2.4±1.1) % respectively; all P<0.01]. The results of flow cytometry showed that the G(0)/G(1) ratio in the si-S1PR2 group [ (70.9±2.8) %] was significantly higher than those in the blank control group [ (61.7±2.4) %, P<0.01] and negative control group [ (62.1±3.3) %, P<0.01]. Western blot showed that the relative expression level of p-ERK1/2 in si-S1PR2 group (0.11±0.03) was significantly lower than those in the blank control group [ (0.62±0.09) , P<0.01] and negative control group [ (0.68±0.09) , P<0.01]. (3)Twenty-eight days after nude mice intraperitoneal injection with JTE-013 or PBS, the tumor number of the control group and JTE-013 group were respectively 15.4±4.3 and 8.2±3.7, the tumor weight were (0.45±0.12) and (0.21±0.07) g, respectively. The tumor number and weight in the JTE-013 group were significantly less than those in the control group (all P<0.01) . Conclusions: The growth of ovarian cancer cells could be decreased by S1PR2 inhibition in vitro and in vivo. One of the mechanisms of the growth inhibitory effect is probably that S1PR2 inhibition lower the phosphorylation level of extracellular regulated protein kinase 1/2 (ERK1/2) pathway, which prevent the transformation of ovarian cancer cells from phase G(1) to S.
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Liu YX, Liu HH, Wang JP, Zhang XX. Thermoelectric behavior of PEDOT:PSS/CNT/graphene composites. JOURNAL OF POLYMER ENGINEERING 2018. [DOI: 10.1515/polyeng-2017-0179] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
AbstractHybrids of poly(3,4-ethylenedioxythiophene) (PEDOT):poly(4-styrene sulfonate) (PSS)/multi-walled carbon nanotube (MWCNT)/graphene (P/M/G), which have high electrical conductivity and low thermal conductivity, were successfully prepared in aqueous solution throughin situpolymerization of 3,4-ethylenedioxythiophene (EDOT) monomers in the presence of poly(sodium 4-styrene sulfonate) (PSSNa). Meanwhile, the composites were characterized by Raman spectroscopy, infrared (IR) spectroscopy, X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and transmission electron microscopy. Thermoelectric properties of the samples were measured at room temperature and 50°C. Compared with pristine PEDOT:PSS (P), PEDOT:PSS/MWCNT (P/M) and PEDOT:PSS/graphene (P/G), the power factor of P/M/G composites was significantly improved, whatever the temperature. It increased from 0.061 μW/mK2to 0.105 μW/mK2at room temperature and from 0.070 μW/mK2to 0.142 μW/mK2at 50°C, meaning 72% and 103% enhancement, respectively. The increased power factor is attributed to the synergic effects of MWCNT and graphene, a hybrid structure with excellent electronic coupling and more electric channels.
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Li XS, Zhang MC, Qu YC, Zhang XQ, Pan F, Liu YX. [Diagnostic imaging of primary hepatic neuroendocrine tumors and treatment with transarterial chemoembolization: analysis of 6 cases]. ZHONGHUA GAN ZANG BING ZA ZHI = ZHONGHUA GANZANGBING ZAZHI = CHINESE JOURNAL OF HEPATOLOGY 2018; 26:294-297. [PMID: 29996342 DOI: 10.3760/cma.j.issn.1007-3418.2018.04.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Objective: To investigate the imaging diagnosis, treatment and prognosis of primary hepatic neuroendocrine tumors. Methods: The clinical features, imaging manifestations, histopathological and immunohistochemical findings and interventional therapy of 6 patients identified with pathologically confirmed primary hepatic neuroendocrine tumors were retrospectively analyzed, and the related literatures were reviewed. Results: All 6 patients presented with symptoms of abdominal pain. 4 patients had solitary hepatic mass and 2 patients had multiple hepatic masses. Magnetic resonance imaging showed low signal intensity on T1 weighted imaging, high signal intensity on T2 weighted imaging and clear boundary; the arterial phase of enhancement scan was uneven and enhanced, and portal venous phase or delayed phase showed continuous enhancement, surrounded by ring enhanced capsule. A pathological diagnosis was primary neuroendocrine tumor of the liver. After interventional treatment, 6 patients had some therapeutic effects. Among them, 4 patients underwent multiple interventional therapies, followed by 4 years of follow-up has shown satisfactory results. Conclusion: Primary hepatic neuroendocrine tumors are very rare and their imaging manifestations are specific. Eventually, relies on pathological and immunohistochemical diagnosis. Transarterial chemoembolization therapy can bring satisfactory results in the treatment of primary hepatic neuroendocrine tumor.
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Liu Y, Li D, Nie D, Liu SK, Qiu F, Liu MT, Li YY, Wang JX, Liu YX, Dong CJ, Wu D, Tian W, Yang J, Mu W, Li JT, Zhao D, Wang XF, Chu WF, Yang BF. Arsenic trioxide and angiotensin II have inhibitory effects on HERG protein expression: Evidence for the role of PML SUMOylation. Oncotarget 2018; 8:45447-45458. [PMID: 28525371 PMCID: PMC5542199 DOI: 10.18632/oncotarget.17563] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2016] [Accepted: 04/17/2017] [Indexed: 01/30/2023] Open
Abstract
The human ether-a-go-go-related gene (HERG) channel is a novel target for the treatment of drug-induced long QT syndrome, which causes lethal cardiotoxicity. This study is designed to explore the possible role of PML SUMOylation and its associated nuclear bodies (NBs) in the regulation of HERG protein expression. Both arsenic trioxide (ATO) and angiotensin II (Ang II) were able to significantly reduce HERG protein expression, while also increasing PML SUMOylation and accelerating the formation of PML-NBs. Pre-exposure of cardiomyocytes to a SUMOylation chemical inhibitor, ginkgolic acid, or the silencing of UBC9 suppressed PML SUMOylation, subsequently preventing the downregulation of HERG induced by ATO or Ang II. Conversely, knockdown of RNF4 led to a remarkable increase in PML SUMOylation and the function of PML-NBs, further promoting ATO- or Ang II-induced HERG protein downregulation. Mechanistically, an increase in PML SUMOylation by ATO or Ang II dramatically enhanced the formation of PML and Pin1 complexes in PML-NBs, leading to the upregulation of TGF-β1 protein, eventually inhibiting HERG expression through activation of protein kinase A. The present work uncovered a novel molecular mechanism underlying HERG protein expression and indicated that PML SUMOylation is a critical step in the development of drug-acquired arrhythmia.
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