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Wu ZB, Wan XY, Zhou MH, Liu YC, Maalim AA, Miao ZZ, Guo X, Zeng Y, Liao P, Gao LP, Xiang JP, Zhang HQ, Shu K, Lei T, Zhu MX. Classification and hemodynamic characteristics of delayed intracerebral hemorrhage following stent-assisted coil embolism in unruptured intracranial aneurysms. Front Neurol 2024; 15:1268433. [PMID: 38440116 PMCID: PMC10910101 DOI: 10.3389/fneur.2024.1268433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Accepted: 01/16/2024] [Indexed: 03/06/2024] Open
Abstract
Background and objective Stent-assisted coil (SAC) embolization is a commonly used endovascular treatment for unruptured intracranial aneurysms (UIAs) but can be associated with symptomatic delayed intracerebral hemorrhage (DICH). Our study aimed to investigate the hemodynamic risk factors contributing to DICH following SAC embolization and to establish a classification for DICH predicated on hemodynamic profiles. Methods This retrospective study included patients with UIAs located in the internal carotid artery (ICA) treated with SAC embolization at our institution from January 2021 to January 2022. We focused on eight patients who developed postoperative DICH and matched them with sixteen control patients without DICH. Using computational fluid dynamics, we evaluated the hemodynamic changes in distal arteries [terminal ICA, the anterior cerebral artery (ACA), and middle cerebral artery (MCA)] pre-and post-embolization. We distinguished DICH-related arteries from unrelated ones (ACA or MCA) and compared their hemodynamic alterations. An imbalance index, quantifying the differential in flow velocity changes between ACA and MCA post-embolization, was employed to gauge the flow distribution in distal arteries was used to assess distal arterial flow distribution. Results We identified two types of DICH based on postoperative flow alterations. In type 1, there was a significant lower in the mean velocity increase rate of the DICH-related artery compared to the unrelated artery (-47.25 ± 3.88% vs. 42.85 ± 3.03%; p < 0.001), whereas, in type 2, there was a notable higher (110.58 ± 9.42% vs. 17.60 ± 4.69%; p < 0.001). Both DICH types demonstrated a higher imbalance index than the control group, suggesting an association between altered distal arterial blood flow distribution and DICH occurrence. Conclusion DICH in SAC-treated UIAs can manifest as either a lower (type 1) or higher (type 2) in the rate of velocity in DICH-related arteries. An imbalance in distal arterial blood flow distribution appears to be a significant factor in DICH development.
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Affiliation(s)
- Zeng-Bao Wu
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xue-Yan Wan
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ming-Hui Zhou
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yan-Chao Liu
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ali Abdi Maalim
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhuang-Zhuang Miao
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiao Guo
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ying Zeng
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Pu Liao
- Department of Pathology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Li-Ping Gao
- ArteryFlow Technology Co., Ltd., Hangzhou, China
| | | | - Hua-Qiu Zhang
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Kai Shu
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ting Lei
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ming-Xin Zhu
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Wang Y, Nakano T, Chen X, Xu YL, He YJ, Wu YX, Zhang JQ, Tian W, Zhou MH, Wang SX. Studies on adsorption properties of magnetic composite prepared by one-pot method for Cd(II), Pb(II), Hg(II), and As(III): Mechanism and practical application in food. J Hazard Mater 2024; 466:133437. [PMID: 38246063 DOI: 10.1016/j.jhazmat.2024.133437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 12/24/2023] [Accepted: 01/02/2024] [Indexed: 01/23/2024]
Abstract
A one-pot synthesis afforded a magnetic, crosslinked polymer adsorbent (m-P6) with a variety of functional groups to realize simultaneous adsorption of Cd2+, Pb2+, Hg2+, and As3+. The material was characterized by TEM-EDS, XRD, FT-IR, VSM, and XPS. Kinetic and isothermal analyses suggested mainly chemisorption processes of heavy metal ions that form multiple layers on heterogeneous surfaces. Theoretical adsorption capacities calculated by a pseudo-2nd-order kinetic model and the Sips isothermal model were 282.88 mg/g for Cd2+, 326.18 mg/g for Pb2+, 117.85 mg/g for Hg2+, and 320.29 mg/g for As3+. m-P6 not only can efficiently adsorb divalent heavy metals (Cd2+, Pb2+, Hg2+), but also demonstrate a process of adsorption-driven catalytic oxidation by single-electron transfer (SET) from As3+ to As5+. In application, in addition to adsorption in water, m-P6 is capable of minimizing matrix interference, and extracting trace heavy metals in a complex environment (cereal) through easy operations for improving the detection accuracy, as well as it is potential for application in detection of trace heavy metals in foodstuffs. m-P6 can be readily regenerated and efficiently recycled for 5 cycles using eluent E12 and dilute acid.
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Affiliation(s)
- Yue Wang
- Academy of National Food and Strategic Reserves Administration, Beijing 100037, China
| | - Tamaki Nakano
- l̥Institute for Catalysis (ICAT), Hokkaido University, N21W10, Kita-ku, Sapporo 001-0021, Japan
| | - Xi Chen
- Academy of National Food and Strategic Reserves Administration, Beijing 100037, China
| | - Yu-Long Xu
- Department of Applied Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China
| | - Ying-Jie He
- Academy of National Food and Strategic Reserves Administration, Beijing 100037, China; College of Food Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, China
| | - Yan-Xiang Wu
- Academy of National Food and Strategic Reserves Administration, Beijing 100037, China
| | - Jie-Qiong Zhang
- Academy of National Food and Strategic Reserves Administration, Beijing 100037, China
| | - Wei Tian
- Academy of National Food and Strategic Reserves Administration, Beijing 100037, China
| | - Ming-Hui Zhou
- Academy of National Food and Strategic Reserves Administration, Beijing 100037, China.
| | - Song-Xue Wang
- Academy of National Food and Strategic Reserves Administration, Beijing 100037, China
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Wang QH, Yan PC, Shi LZ, Teng YJ, Gao XJ, Yao LQ, Liang ZW, Zhou MH, Han W, Li R. PABPN1 functions as a predictive biomarker in colorectal carcinoma. Mol Biol Rep 2023; 51:40. [PMID: 38158471 DOI: 10.1007/s11033-023-08936-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Accepted: 10/23/2023] [Indexed: 01/03/2024]
Abstract
PURPOSE PABPN1 acts as a modulator of poly(A) tail length and alternative polyadenylation. This research was aimed to explore the role of PABPN1 in colorectal cancer (CRC). METHODS Public databases were performed to analyze expression, location, roles of prognosis and tumor immunity and interaction with RNAs and proteins of PABPN1. To investigate PABPN1 expression in tissues, 78 CRC specimens were collected to conduct IHC, and 30 pairs of frozen CRC and corresponding adjacent normal tissues were used to conduct qRT-PCR and WB. In addition, in vitro experiments were then carried out to identify the role of PABPN1 in CRC. RESULTS Compared with normal tissues, PABPN1 expression was significant higher in CRC. Its high level predicted poor outcome of CRC. Th1 and Treg had significant negative relationships not only with PABPN1 expression, but also with six molecules interacting with PABPN1, including IFT172, KIAA0895L, RECQL4, WDR6, PABPC1 and NCBP1. In addition, PABPN1 had negative relationships with quite a few immune markers, such as CSF1R, IL-10, CCL2 and so on. In cellular experiments, silencing PABPN1 inhibited proliferation and promoted apoptosis in HCT-116 CRC cells. CONCLUSION In summary, PABPN1 might become a novel biomarker and correlate with tumor immunity in CRC.
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Affiliation(s)
- Qing-Hua Wang
- Department of Gastroenterology, The First Affiliated Hospital of Soochow University, Suzhou, 215006, Jiangsu, People's Republic of China
- Department of Gastroenterology, Kunshan First People's Hospital Affiliated to Jiangsu University, Kunshan, 215300, Jiangsu, People's Republic of China
| | - Pei-Ci Yan
- Department of Gastroenterology, Kunshan First People's Hospital Affiliated to Jiangsu University, Kunshan, 215300, Jiangsu, People's Republic of China
| | - Li-Zhou Shi
- Department of General Surgery, Kunshan First People's Hospital Affiliated to Jiangsu University, Kunshan, 215300, Jiangsu, People's Republic of China
| | - Ya-Jie Teng
- Department of Gastroenterology, Kunshan First People's Hospital Affiliated to Jiangsu University, Kunshan, 215300, Jiangsu, People's Republic of China
| | - Xiao-Jiao Gao
- Department of Pathology, Kunshan First People's Hospital Affiliated to Jiangsu University, Kunshan, 215300, Jiangsu, People's Republic of China
| | - Li-Qian Yao
- Department of Pathology, Kunshan First People's Hospital Affiliated to Jiangsu University, Kunshan, 215300, Jiangsu, People's Republic of China
| | - Zhi-Wei Liang
- Central Laboratory, Kunshan First People's Hospital Affiliated to Jiangsu University, Kunshan, 215300, Jiangsu, People's Republic of China
| | - Ming-Hui Zhou
- Central Laboratory, Kunshan First People's Hospital Affiliated to Jiangsu University, Kunshan, 215300, Jiangsu, People's Republic of China
| | - Wei Han
- Department of General Surgery, Kunshan First People's Hospital Affiliated to Jiangsu University, Kunshan, 215300, Jiangsu, People's Republic of China.
| | - Rui Li
- Department of Gastroenterology, The First Affiliated Hospital of Soochow University, Suzhou, 215006, Jiangsu, People's Republic of China.
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Jin FC, Chen JJ, Xu QX, Zhou MH, Lin Y, Zhang QW, Zhang CC, Zhang ZG. Kinetin inhibits hepatic stellate cell activation and induces apoptosis via interactions with the TGF-β1/Smad signaling pathway. Toxicol Appl Pharmacol 2023; 475:116655. [PMID: 37579951 DOI: 10.1016/j.taap.2023.116655] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2023] [Revised: 07/22/2023] [Accepted: 08/11/2023] [Indexed: 08/16/2023]
Abstract
Hepatic fibrosis is the pathological repair response of the liver to chronic injury; hepatic stellate cell (HSC) activation is the central link in the pathogenesis of hepatic fibrosis. Previously, we showed that kinetin, a plant cytokinin hormone, has a protective effect on CCl4-induced liver injury in mice. However, the role of kinetin in liver fibrosis remains unclear. We aimed to study these protective effects and to determine the mechanisms by which kinetin mediates HSC activation and apoptosis. For this purpose, the human HSC line LX-2 was treated with 10 ng/ml transforming growth factor-β1 (TGF-β1) for 24 h to stimulate activation. We found that treatment with kinetin at the sub-cytotoxic dose of 40 μg/ml for 48 h reduced the expression of the HSC activation marker α-SMA and inhibited the secretion of extracellular matrix proteins. In addition, kinetin was found to inhibit the proliferation and migration of LX-2 cells. We found that kinetin induced apoptosis in LX-2 cells by increasing the level of cleaved-caspase 3 and the Bax-to-Bcl-2 ratio. Interestingly, these effect were not observed in quiescent HSCs, suggesting that they are activation-dependent. Further study showed that kinetin attenuates activation and promotes apoptosis of LX-2 cells in vitro in part by suppressing the TGF-β1/Smad signaling pathway.
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Affiliation(s)
- Fu-Chang Jin
- Division of Gastroenterology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jing-Jing Chen
- Division of Gastroenterology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | | | - Ming-Hui Zhou
- Division of Gastroenterology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; Division of Gastroenterology, Tianyou Hospital, Wuhan University of Science and Technology, Wuhan, China
| | - Yi Lin
- Division of Gastroenterology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qi-Wei Zhang
- Jianghan University School of Medicine, Wuhan, China
| | - Chang-Chun Zhang
- Wuhan Sixth Hospital Affiliated to Jianghan University, Wuhan, China
| | - Zhen-Gang Zhang
- Division of Gastroenterology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
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Yang ST, Luo WR, Hu MH, Yu JL, Zhou X, Li DX, Zhou MH, Zhao JW, Huang XR, He J. [Epidemiological characteristics and analysis of related infection risk factors for influenza in Anhui Province from 2013 to 2021]. Zhonghua Liu Xing Bing Xue Za Zhi 2023; 44:1237-1244. [PMID: 37661615 DOI: 10.3760/cma.j.cn112338-20221231-01091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 09/05/2023]
Abstract
Objective: Analysis of the characteristics of influenza epidemic in Anhui Province and quantification of the impact of different factors on influenza occurrence, providing scientific basis for better influenza prevention and control. Methods: Descriptive analysis and factor analysis were conducted on influenza-like illness (ILI) cases and RT-PCR results in Anhui Province from 2013 to 2021 using data from China's Influenza Monitoring Information System. Results: The percentage of influenza-like illness (ILI%) of sentinel hospitals in Anhui Province from April 1, 2013 to March 31, 2021 was 3.80% (1 209 142/31 779 987), showing an overall increasing trend, with a relatively high proportion in 2017-2018 at 4.30% (191 148/4 448 211). The proportion of ILI cases in infants and young children aged 0-4 years was a relatively high at 54.14% (654 676/1 209 142), and the highest ILI% was observed in Fuyang City, Anhui Province (6.25%, 236 863/3 788 863). Laboratory monitoring results showed that the positive rate of ILI cases in sentinel hospitals in 8 influenza monitoring years was 16.38% (34 868/212 912), showing an increasing trend year by year, with a relatively proportion in 2017-2018 at 26.19% (6 936/26 488). The detection rate of school-age children aged 5-14 years was a relativelyhigh at 28.81% (13 869/48 144), and the positive rate was a relatively high in Wuhu City among the 16 cities, reaching 22.01% (2 693/122 237). Influenza activity showed a single peak in winter-spring and alternating double peaks in winter-spring and summer, with different subtypes alternating, and A (H3N2) was the dominant subtype in summer. The results of a multiple logistic regression model showed that the positive rate was higher in 2017-2018, among children aged 5-14 years, in winter, and in southern Anhui. Conclusions: Influenza epidemic in Anhui Province has a clear seasonal pattern, and the ILI% and detection rate have shown an upward trend from 2013 to 2021. Therefore, it is suggested to ensure vaccine supply before the winter-spring influenza season arrives, and to strengthen vaccine uptake and health education to avoid the risk of infection during the peak period of influenza.
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Affiliation(s)
- S T Yang
- School of Public Health, Anhui Medical University, Hefei 230032, China
| | - W R Luo
- Anhui Provincial Center for Disease Control and Prevention/Public Health Research Institute of Anhui Province, Hefei 230601, China
| | - M H Hu
- School of Public Health, Anhui Medical University, Hefei 230032, China
| | - J L Yu
- Anhui Provincial Center for Disease Control and Prevention/Public Health Research Institute of Anhui Province, Hefei 230601, China
| | - X Zhou
- Anhui Provincial Center for Disease Control and Prevention/Public Health Research Institute of Anhui Province, Hefei 230601, China
| | - D X Li
- School of Public Health, Anhui Medical University, Hefei 230032, China
| | - M H Zhou
- School of Public Health, Anhui Medical University, Hefei 230032, China
| | - J W Zhao
- School of Public Health, Anhui Medical University, Hefei 230032, China
| | - X R Huang
- School of Public Health, Anhui Medical University, Hefei 230032, China
| | - J He
- School of Public Health, Anhui Medical University, Hefei 230032, China Anhui Provincial Center for Disease Control and Prevention/Public Health Research Institute of Anhui Province, Hefei 230601, China
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Jin FC, Zhou MH, Chen JJ, Lin Y, Zhang QW, Xu QX, Zhang CC, Zhang ZG. Intraflagellar transport 20 cilia-dependent and cilia-independent signaling pathways in cell development and tissue homeostasis. Int J Dev Biol 2022; 66:333-347. [PMID: 35980193 DOI: 10.1387/ijdb.220072fj] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Intraflagellar transport (IFT) is an essential condition for ciliogenesis. The primary cilia protrude like antennae and act as chemical or mechanical sensory organelles that coordinate specific receptor localization and signal transduction. IFT20 is the smallest molecule in IFT complex B, which is located in both the cilia and the Golgi complex. Recent studies have shown that IFT20 is a key molecule in multiple signaling pathways. Importantly, in the function of IFT20, signal transduction is not restricted to cilia, but is also involved in non-ciliary functions. Here we summarize current knowledge regarding IFT20-mediated signaling pathways and their relationship with cell development and tissue homeostasis, and analyse the cilia-dependent and cilia-independent mechanisms of IFT20 coordinated signaling pathways and potential crosstalk between the mechanisms. This review provides a comprehensive perspective on IFT20 coordinates signaling mechanisms in cell development and tissue homeostasis.
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Affiliation(s)
- Fu-Chang Jin
- Division of Gastroenterology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ming-Hui Zhou
- Division of Gastroenterology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Division of Gastroenterology, Tianyou Hospital, Wuhan University of Science and Technology, Wuhan, China
| | - Jing-Jing Chen
- Division of Gastroenterology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yi Lin
- Division of Gastroenterology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qi-Wei Zhang
- Jianghan University School of Medicine, Wuhan, China
| | | | - Chang-Chun Zhang
- Wuhan Sixth Hospital Affiliated to Jianghan University, Wuhan, China
| | - Zhen-Gang Zhang
- Division of Gastroenterology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Yang FY, Liu JM, Gao X, Zhang HF, Dong YS, Liu J, Zhou MH, Liang GB. [Analysis of the effect of stent-assisted embolization for low-grade subarachnoid hemorrhage caused by V4 segment dissecting aneurysm of vertebral artery]. Zhonghua Wai Ke Za Zhi 2021; 59:691-696. [PMID: 34192863 DOI: 10.3760/cma.j.cn112139-20200914-00704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the efficacy and safety of different stents assisted embolization in the treatment of subarachnoid hemorrhage(SAH) caused by V4 dissecting aneurysm of vertebral artery. Methods: The clinical data of 39 patients with spontaneous SAH V4 dissecting aneurysm treated at the Department of Neurosurgery, the Northern Theater General Hospital from January 2016 to June 2019 were analyzed retrospectively.There were 21 males and 18 females, aged (48±17) years(range:35 to 68 years).There were 24 cases of HUNT-HESS grade Ⅰ and 15 cases of grade Ⅱ.Among them, 20 cases were treated with single stent-assisted embolization, 9 cases with multi-stent-assisted embolization, 9 cases with semi-dense mesh-assisted embolization, and 1 case with dense-mesh stent-assisted embolization.The perioperative and postoperative complications, postoperative recurrence were collected. Results: Intraoperative complications included 2 cases of aneurysm rupture and 2 cases of acute thrombosis.All aneurysms were densely packed according to the angiography performed immediately after operation.Postoperative complications included 3 cases of long-term responsible vascular ischemia(modified Rankin score<2). The patients were followed up for 15.1 months(range: 12 to 29 months). At the last follow-up, aneurysms recurrence occured in 10 cases, the recurrence rate was 25.6%(10/39). There were 6 cases of recurrence and 2 cases of complications in 20 cases with single stent-assisted embolization, 3 cases of recurrence and 4 cases of complications in 9 cases with multi-stent-assisted embolization, 1 case of recurrence and 1 case of complications in 9 cases with semi-dense mesh stent. Conclusion: Endovascular treatment is feasible for patients with vertebral artery dissecting aneurysm, and the appropriate surgical method should be selected according to the vascular structure and the location of the aneurysm.
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Affiliation(s)
- F Y Yang
- Department of Neurosurgery, the Northern Theater General Hospital, Shenyang 110000, China
| | - J M Liu
- Department of Neurosurgery, the Northern Theater General Hospital, Shenyang 110000, China
| | - X Gao
- Department of Neurosurgery, the Northern Theater General Hospital, Shenyang 110000, China
| | - H F Zhang
- Department of Neurosurgery, the Northern Theater General Hospital, Shenyang 110000, China
| | - Y S Dong
- Department of Neurosurgery, the Northern Theater General Hospital, Shenyang 110000, China
| | - J Liu
- Department of Neurosurgery, the Northern Theater General Hospital, Shenyang 110000, China
| | - M H Zhou
- Department of Neurosurgery, the Northern Theater General Hospital, Shenyang 110000, China
| | - G B Liang
- Department of Neurosurgery, the Northern Theater General Hospital, Shenyang 110000, China
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Lei J, Zhou MH, Zhang FC, Wu K, Liu SW, Niu HQ. Interferon regulatory factor transcript levels correlate with clinical outcomes in human glioma. Aging (Albany NY) 2021; 13:12086-12098. [PMID: 33902005 PMCID: PMC8109055 DOI: 10.18632/aging.202915] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Accepted: 03/23/2021] [Indexed: 01/11/2023]
Abstract
Members of the interferon regulatory factor (IRF) gene family are crucial regulators of type I interferon signaling, which may play a role in the resistance of glioma to immune checkpoint blockade. However, the expression profiles, potential functions, and clinical significance of IRF family members remain largely unknown. Here, we examined IRF transcript levels and clinicopathological data from glioma patients using several bioinformatic databases, including ONCOMINE, GEPIA, TCGA, and cBioPortal. We found that IRF1, IRF2, IRF5, IRF8 and IRF9 were significantly upregulated in glioma compared to normal brain tissue. Higher IRF1, IRF2, IRF3, IRF4, IRF5, IRF7, IRF8 and IRF9 mRNA levels correlated with more advanced tumor grades and poorer outcomes. Moreover, although IRFs mutation rates were low (ranging from 0.5% to 2.3%) in glioma patients, genetic alterations in IRFs were associated with more favorable patient survival. Functional analysis showed that IRFs participated in glioma pathology mainly through multiple inflammation- and immunity-related pathways. Additionally, correlations were identified between IRFs and infiltration of immune cells within glioma tissues. Collectively, these results indicate that IRF family members, including IRF1, IRF2, IRF5, IRF8 and IRF9, may serve as prognostic biomarkers and indicators of immune status in glioma patients.
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Affiliation(s)
- Jin Lei
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ming-Hui Zhou
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Fu-Chi Zhang
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Kang Wu
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Sheng-Wen Liu
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Hong-Quan Niu
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Cao Y, Zhou MH, Zhai XJ. [Prevalence of HBV co-infection in HIV-positive population in China: a systematic review and Meta-analysis]. Zhonghua Liu Xing Bing Xue Za Zhi 2021; 42:327-334. [PMID: 33626624 DOI: 10.3760/cma.j.cn112338-20200727-00987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To reveal the epidemiologic characteristics of hepatitis B virus (HBV) infection in HIV positive population in China. Methods: We collected research papers published from 2010 to 2019 on HBV co-infection in HIV positive population in China through literature retrieval, screening and quality evaluation. The Meta-analysis was conducted after extracting relevant data from the research papers meeting the inclusion criteria. Results: Twenty-seven studies were included with 69 816 samples. The pooled HBV infection rate in HIV positive population in China was 11.29%. The HBV co-infection rate was higher in the western China (10.73%) and southern China (14.18%), while lower in northern China (6.36%). The HBV infection rates were 11.22%, 12.76%, 9.58%, 11.32% and 10.34%, respectively, in HIV-positive population infected through blood or blood products transfusion, intravenous drug use, homosexual contact, heterosexual contact and unknown transmission routes. Population infected with HIV caused by mother-to-child transmission had the lowest HBV infection rate (2.87%). The HBV infection rate in HIV positive males was 1.29 times higher than that in HIV positive females in southern China. Conclusions: The HBV infection rate in HIV positive population is significantly higher than that in general population. More attention should be paid to the prevention and control of HBV co-infection in HIV positive population.
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Affiliation(s)
- Y Cao
- School of Public Health, Nanjing Medical University, Nanjing 211166, China
| | - M H Zhou
- Jiangsu Provincial Health Commission,Nanjing 210008, China
| | - X J Zhai
- Jiangsu Provincial Center for Disease Control and Prevention, Nanjing 210009, China
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Han W, Zhang C, Shi CT, Gao XJ, Zhou MH, Shao QX, Shen XJ, Wu CJ, Cao F, Hu YW, Yuan JL, Ding HZ, Wang QH, Wang HN. Roles of eIF3m in the tumorigenesis of triple negative breast cancer. Cancer Cell Int 2020; 20:141. [PMID: 32368187 PMCID: PMC7191806 DOI: 10.1186/s12935-020-01220-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Accepted: 04/17/2020] [Indexed: 12/24/2022] Open
Abstract
Background Without targets, triple negative breast cancer (TNBC) has the worst prognosis in all subtypes of breast cancer (BC). Recently, eukaryotic translation initiation factor 3 m (eIF3m) has been declared to be involved in the malignant progression of various neoplasms. The aim of this study is to explore biological functions of eIF3m in TNBC. Methods Multiple databases, including Oncomine, KM-plotter and so on, were performed to analyze prognosis and function of eIF3m in TNBC. After transfection of eIF3m-shRNA lentivirus, CCK-8, colony formation assay, cell cycle analysis, wound healing assay, transwell assays, mitochondrial membrane potential assay and cell apoptosis analysis were performed to explore the roles of eIF3m in TNBC cell bio-behaviors. In addition, western blotting was conducted to analyze the potential molecular mechanisms of eIF3m. Results In multiple databases, up-regulated eIF3m had lower overall survival, relapse-free survival and post progression survival in BC. EIF3m expression in TNBC was obviously higher than in non-TNBC or normal breast tissues. Its expression in TNBC was positively related to differentiation, lymph node invasion and distant metastasis. After knockdown of eIF3m, cell proliferation, migration, invasion and levels of mitochondrial membrane potential of MDA-MB-231 and MDA-MB-436 were all significantly suppressed, while apoptosis rates of them were obviously increased. In addition, eIF3m could regulate cell-cycle, epithelial–mesenchymal transition and apoptosis-related proteins. Combined with public databases and RT-qPCR, 14 genes were identified to be modulated by eIF3m in the development of TNBC. Conclusions eIF3m is an unfavorable indicator of TNBC, and plays a vital role in the process of TNBC tumorigenesis.
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Affiliation(s)
- Wei Han
- 1Department of General Surgery, Kunshan First People's Hospital Affiliated to Jiangsu University, Kunshan Jiangsu, 215300 People's Republic of China
| | - Cong Zhang
- Department of Pharmacy, Kunshan Hospital of Traditional Chinese Medicine, Kunshan Jiangsu, 215300 People's Republic of China
| | - Chun-Tao Shi
- Department of General Surgery, Wuxi Xishan People's Hospital, Kunshan Wuxi Jiangsu, 214000 People's Republic of China
| | - Xiao-Jiao Gao
- 4Department of Pathology, Kunshan First People's Hospital Affiliated to Jiangsu University, Kunshan Jiangsu, 215300 People's Republic of China
| | - Ming-Hui Zhou
- 5Centralab, Kunshan First People's Hospital Affiliated to Jiangsu University, Jiangsu, 215300 Kunshan People's Republic of China
| | - Qi-Xiang Shao
- 6Department of Immunology, Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang Jiangsu, 212013 People's Republic of China
| | - Xiao-Jun Shen
- 1Department of General Surgery, Kunshan First People's Hospital Affiliated to Jiangsu University, Kunshan Jiangsu, 215300 People's Republic of China
| | - Cheng-Jiang Wu
- 7Department of Clinical Laboratory, The Second Affiliated Hospital of Soochow University, Suzhou Jiangsu, 215000 People's Republic of China
| | - Fang Cao
- 1Department of General Surgery, Kunshan First People's Hospital Affiliated to Jiangsu University, Kunshan Jiangsu, 215300 People's Republic of China
| | - Yong-Wei Hu
- 1Department of General Surgery, Kunshan First People's Hospital Affiliated to Jiangsu University, Kunshan Jiangsu, 215300 People's Republic of China
| | - Jian-Liang Yuan
- 1Department of General Surgery, Kunshan First People's Hospital Affiliated to Jiangsu University, Kunshan Jiangsu, 215300 People's Republic of China
| | - Hou-Zhong Ding
- 1Department of General Surgery, Kunshan First People's Hospital Affiliated to Jiangsu University, Kunshan Jiangsu, 215300 People's Republic of China
| | - Qing-Hua Wang
- 1Department of General Surgery, Kunshan First People's Hospital Affiliated to Jiangsu University, Kunshan Jiangsu, 215300 People's Republic of China
| | - Hao-Nan Wang
- Oncology Department, Wuxi Fifth People's Hospital, Wuxi Jiangsu, 214000 People's Republic of China
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Zhang YW, Ma J, Shi CT, Han W, Gao XJ, Zhou MH, Ding HZ, Wang HN. Roles and correlation of FOXA1 and ZIC1 in breast cancer. Curr Probl Cancer 2020; 44:100559. [PMID: 32115254 DOI: 10.1016/j.currproblcancer.2020.100559] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Accepted: 02/07/2020] [Indexed: 01/23/2023]
Abstract
The aim of this study was to evaluate the prognostic role of Forkhead box A1 (FOXA1) in breast cancer and determine the relationship between FOXA1 and zinc finger of the cerebellum 1 (ZIC1). BCIP, GEPIA, and Oncomine databases were used to detect expression of FOXA1 and assess prognostic roles of FOXA1 and ZIC1 in invasive breast tumors. A total of 113 female invasive breast cancer cases were collected to investigate FOXA1 and ZIC1 expression via immunohistochemistry. Twenty pairs of frozen-thawed tumors were used to select reliable indicators via western blotting and real-time quantitative polymerase chain reaction. In addition, Kaplan-Meier curves and Cox regression analysis were performed to analyze the overall survival (OS) and relapse-free survival. Multiple databases showed that FOXA1 expression was elevated in invasive breast cancer and negatively related to ZIC1. BCIP database also displayed a poor prognosis of high FOXA1 and low ZIC1. FOXA1 was positively associated with tumor size, grading, lymph node metastasis, and Tumor Node Metastasis (TNM) staging, while ZIC1 expression was negatively related to grading, lymph node metastasis, and TNM staging. In Kaplan-Meier and Cox regression analysis, FOXA1 negative group and ZIC1 positive group had better OS rate and recurrence-free survival rate. In addition, a joint evaluation showed that "FOXA1- ZIC1+" had the highest OS and relapse-free survival, but "FOXA1+ ZIC1-" had the lowest ones. FOXA1 was negatively related to ZIC1 in breast cancer and they had different roles in clinicopathology and prognosis. Combined examination of FOXA1 and ZIC1 could bring more benefit to breast cancer patients.
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Affiliation(s)
- Yu-Wei Zhang
- Department of General Surgery, Kunshan First People's Hospital Affiliated to Jiangsu University, Kunshan, Jiangsu, China
| | - Jun Ma
- Department of Urology, Kunshan Hospital of Traditional Chinese Medicine, Kunshan, Jiangsu, China
| | - Chun-Tao Shi
- Department of General Surgery, Wuxi Xishan People's Hospital, Wuxi, Jiangsu, China
| | - Wei Han
- Department of General Surgery, Kunshan First People's Hospital Affiliated to Jiangsu University, Kunshan, Jiangsu, China
| | - Xiao-Jiao Gao
- Department of Pathology, Kunshan First People's Hospital Affiliated to Jiangsu University, Kunshan, Jiangsu, China
| | - Ming-Hui Zhou
- Centralab, Kunshan First People's Hospital Affiliated to Jiangsu University, Kunshan, Jiangsu, China
| | - Hou-Zhong Ding
- Department of General Surgery, Kunshan First People's Hospital Affiliated to Jiangsu University, Kunshan, Jiangsu, China
| | - Hao-Nan Wang
- Oncology Department, Wuxi Fifth People's Hospital, Wuxi, Jiangsu, China.
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12
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Wang QH, Zhang M, Zhou MH, Gao XJ, Chen F, Yan X, Lu F. High expression of eukaryotic initiation factor 3M predicts poor prognosis in colon adenocarcinoma patients. Oncol Lett 2019; 19:876-884. [PMID: 31897202 PMCID: PMC6924177 DOI: 10.3892/ol.2019.11164] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Accepted: 10/03/2019] [Indexed: 12/19/2022] Open
Abstract
Eukaryotic initiation factor 3 subunit M (EIF3M) is required for key steps in the initiation of protein synthesis, and dysregulation of EIF3M is associated with tumorigenesis. This study aimed to explore the clinicopathological and prognostic role of EIF3M in patients with colon adenocarcinoma. A total of 82 pathology specimens, 20 freeze-thawed tumors and 80 healthy controls were used to investigate the expression of EIF3M in colon adenocarcinoma through immunohistochemistry, western blotting, RT-qPCR and ELISA. In addition, Kaplan-Meier curves and Cox regression analysis were used to analyze overall survival (OS) and disease-free survival (DFS). Furthermore, the Oncomine database was used for analyzing EIF3M expression. The positive rate of EIF3M in colon adenocarcinoma was higher compared with that in normal colon tissues (62.20% vs. 29.27%; P<0.001). The mean score of EIF3M was also higher in colon adenocarcinoma compared with normal colon tissue (17.28±10.05 vs. 6.53±4.87; P<0.001). The levels of EIF3M expression in freeze-thawed tumors and serum from 20 patients with colon adenocarcinoma were higher than those in normal tissues and serum from healthy controls, respectively (P<0.001). In addition, positive expression of EIF3M was associated with tumor size (P=0.002) and Dukes' stage (P<0.001). In multivariate Cox regression analysis, EIF3M expression was an independent prognostic factor for OS (P=0.003) and DFS (P=0.001). Oncomine database analysis showed a higher expression of EIF3M expression in colon adenocarcinoma compared with normal colon tissues, colon squamous cell carcinomas or gastrointestinal stromal tumors. In conclusion, EIF3M expression was associated with tumor size and Dukes' stage in colon adenocarcinoma. Hence, EIF3M is a potential prognostic indicator for colon adenocarcinoma.
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Affiliation(s)
- Qing-Hua Wang
- Digestion Department, Kunshan First People's Hospital Affiliated to Jiangsu University, Kunshan, Jiangsu 215300, P.R. China
| | - Min Zhang
- No. 1 Department of General Surgery, Wuxi Second Hospital of Traditional Chinese Medicine, Wuxi, Jiangsu 214000, P.R. China
| | - Ming-Hui Zhou
- Centralab Department, Kunshan First People's Hospital Affiliated to Jiangsu University, Kunshan, Jiangsu 215300, P.R. China
| | - Xiao-Jiao Gao
- Pathology Department, Kunshan First People's Hospital Affiliated to Jiangsu University, Kunshan, Jiangsu 215300, P.R. China
| | - Fang Chen
- Pathology Department, Kunshan First People's Hospital Affiliated to Jiangsu University, Kunshan, Jiangsu 215300, P.R. China
| | - Xun Yan
- Department of General Surgery, Binhai County People's Hospital, Yancheng, Jiangsu 224000, P.R. China
| | - Feng Lu
- Department of General Surgery, Binhai County People's Hospital, Yancheng, Jiangsu 224000, P.R. China
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Wang DL, Zhang XF, Wang XC, Wang YT, Zhang R, Chen YY, Wang Q, Yue N, Bao CC, Zhou MH, Jin H. [Cost-effectiveness analysis of rabies immunization strategy based on dynamic-decision tree model]. Zhonghua Yu Fang Yi Xue Za Zhi 2019; 53:804-810. [PMID: 31378040 DOI: 10.3760/cma.j.issn.0253-9624.2019.08.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To evaluate the cost-utility of different immunization strategies for rabies in China, and to provide a reference for determining the optimal immunization strategy. Methods: The system dynamics model was used to simulate the epidemic of canine rabies and a decision tree model was conducted to analysis different immune strategies. Relevant probabilities were obtained through literature search and on-site investigation. Sensitivity analysis was used to explore the important influenced factors. Results: At baseline, from a social perspective, 70% vaccination of dogs was the optimal strategy compared to current vaccination strategy (43% vaccination in dogs, human category-Ⅱ exposure vaccination/category-Ⅲ exposure vaccination combined with RIG). The total cost was 14 084 354 CNY, and the total utility value was 22 078 616.23 QALYs, and the incremental cost-utility ratio was-62 148 147 CNY/QALY; if human vaccination was considered, 55% vaccination of dogs combined with strategy one was the optimal strategy, its incremental cost-utility ratio was-444 620 557 CNY/QALY. The probability that an injured dog carries rabies virus was the most sensitive parameter. When it was greater than 0.005 03, strategy four was the optimal strategy. When it was less than 82/100 000, strategy one was the optimal strategy; when it was between 82/100 000 and 120/100 000, strategy two was the optimal strategy; when it was between 120/100 000 and 503/100 000, strategy two was the optimal strategy. Conclusion: It was conducive to increase the vaccination coverage of canine for the prevention and control of rabies.
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Affiliation(s)
- D L Wang
- Department of Epidemiology and Health Statistics, School of Public Health, Southeast University, Nanjing 210009, China
| | - X F Zhang
- Institute of Acute Infectious Diseases Prevention and Control, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing 210009, China
| | - X C Wang
- Institute of Acute Infectious Diseases Prevention and Control, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing 210009, China
| | - Y T Wang
- Department of Epidemiology and Health Statistics, School of Public Health, Southeast University, Nanjing 210009, China
| | - R Zhang
- Department of Epidemiology and Health Statistics, School of Public Health, Southeast University, Nanjing 210009, China
| | - Y Y Chen
- Department of Epidemiology and Health Statistics, School of Public Health, Southeast University, Nanjing 210009, China
| | - Q Wang
- Department of Epidemiology and Health Statistics, School of Public Health, Southeast University, Nanjing 210009, China
| | - N Yue
- Department of Epidemiology and Health Statistics, School of Public Health, Southeast University, Nanjing 210009, China
| | - C C Bao
- Institute of Acute Infectious Diseases Prevention and Control, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing 210009, China
| | - M H Zhou
- Institute of Acute Infectious Diseases Prevention and Control, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing 210009, China
| | - H Jin
- Department of Epidemiology and Health Statistics, School of Public Health, Southeast University, Nanjing 210009, China
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Zhou MH, Shen SL, Xu YS, Zhou AN. New Policy and Implementation of Municipal Solid Waste Classification in Shanghai, China. Int J Environ Res Public Health 2019; 16:E3099. [PMID: 31454977 PMCID: PMC6747299 DOI: 10.3390/ijerph16173099] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Revised: 08/21/2019] [Accepted: 08/22/2019] [Indexed: 11/16/2022]
Abstract
To promote sustainable development, the Chinese government launched a new municipal solid waste (MSW) classification strategy in 2017. Shanghai was selected as one of the first pilot cities for MSW classification. The Shanghai municipal government first established the new MSW classification policy in 2017. The Shanghai Municipal Solid Waste Management Regulation was published in 2019 and came into effect on 1 July 2019. This short communication reports on Shanghai's new MSW classification policy and its implementation. The main content and measures adopted by Shanghai's government to ensure the effective implementation of the new MSW classification policy are introduced. Besides, a SWOT (i.e., strengths, weaknesses, opportunities, and threats) analysis on the present policy and measures is conducted, and based on the results, some discussions and suggestions regarding the implementation of MSW classification in Shanghai and the whole of China are presented.
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Affiliation(s)
- Ming-Hui Zhou
- State Key Laboratory of Ocean Engineering, Department of Civil Engineering, School of Naval Architecture, Ocean, and Civil Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Shui-Long Shen
- Key Laboratory of Intelligent Manufacturing Technology (Shantou University), Ministry of Education, and Department of Civil and Environmental Engineering, College of Engineering, Shantou University, Shantou 515063, China.
| | - Ye-Shuang Xu
- State Key Laboratory of Ocean Engineering, Department of Civil Engineering, School of Naval Architecture, Ocean, and Civil Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - An-Nan Zhou
- Civil and Infrastructure Engineering Discipline, School of Engineering, Royal Melbourne Institute of Technology (RMIT), Victoria 3001, Australia
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15
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Zhang JQ, Zhou MH, Tian W, Wu YX, Chen X, Wang SX. In situ fast analysis of cadmium in rice by diluted acid extraction-anodic stripping voltammetry. RSC Adv 2019; 9:19965-19972. [PMID: 35514682 PMCID: PMC9065540 DOI: 10.1039/c9ra03073e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Accepted: 06/06/2019] [Indexed: 11/21/2022] Open
Abstract
In China, the production has not realized intensive cultivation and the problem of cadmium (Cd)-contaminated rice is salient, so it is important to classify rice with different degrees of Cd pollution by rapid detection method in situ. This paper established a method with a combination of dilute acid extraction pretreatment and electrochemical devices. Cd was extracted from rice using 3% HCl for 5 min. A standard curve was obtained based on a certified reference material in the rice matrix with different concentrations of Cd, which was fitted with the Cd concentration (μg kg-1) against the stripping peak current value (μA), and the linear correlation coefficient was 0.9997. To analyze the applicability of the method, three factors including substrate diluents, particle diameter of the sample, and stability towards the method were evaluated. The limit of detection (LOD) was 2.02 μg kg-1, and the repeatability and accuracy were satisfactory. Cd was determined in 142 samples collected from three major grain-producing provinces of China, and the results have good consistence with the microwave digestion-ICP-MS method. The developed method combined dilute acid extraction with a matrix matching standard curve in ASV for the first time, and it was significantly satisfactory for the detection requirements in China.
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Affiliation(s)
- Jie-Qiong Zhang
- Cereals and Oils Quality and Safety Research Institution, Academy of National Food and Strategic Reserves Administration (Former Name: Academy of State Administration of Grain) No. 23 Yongwang Str, DaXing District Beijing 102600 China
| | - Ming-Hui Zhou
- Cereals and Oils Quality and Safety Research Institution, Academy of National Food and Strategic Reserves Administration (Former Name: Academy of State Administration of Grain) No. 23 Yongwang Str, DaXing District Beijing 102600 China
| | - Wei Tian
- Cereals and Oils Quality and Safety Research Institution, Academy of National Food and Strategic Reserves Administration (Former Name: Academy of State Administration of Grain) No. 23 Yongwang Str, DaXing District Beijing 102600 China
| | - Yan-Xiang Wu
- Cereals and Oils Quality and Safety Research Institution, Academy of National Food and Strategic Reserves Administration (Former Name: Academy of State Administration of Grain) No. 23 Yongwang Str, DaXing District Beijing 102600 China
| | - Xi Chen
- Cereals and Oils Quality and Safety Research Institution, Academy of National Food and Strategic Reserves Administration (Former Name: Academy of State Administration of Grain) No. 23 Yongwang Str, DaXing District Beijing 102600 China
| | - Song-Xue Wang
- Cereals and Oils Quality and Safety Research Institution, Academy of National Food and Strategic Reserves Administration (Former Name: Academy of State Administration of Grain) No. 23 Yongwang Str, DaXing District Beijing 102600 China
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Zhou MH, Zhang SJ, Wang F, Zhao YL, Liu YQ, Zhang YJ, Liu S. [IL-25-regulated type 2 innate lymphoid cells activation promote allergic fungal rhinosinusitis]. Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2019; 54:38-45. [PMID: 30704168 DOI: 10.3760/cma.j.issn.1673-0860.2019.01.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the regulation of IL-25 on type Ⅱ innate lymphoid cells (ILC2s) activation in the pathogenesis of allergic fungal rhinosinusitis (AFRS). Methods: Nasal mucosa tissues were collected from 16 AFRS patients and 12 patients, who underwent nasal endoscopic surgery for cerebrospinal rhinorrhea or skull base benign tumor during the period from June 2016 to June 2017 in Department of Rhinology, the First Affiliated Hospital of Zhengzhou University. Firstly, flow cytometry was used to detect ILC2s in nasal mucosa of both groups. Secondly, the expression of IL-25, IL-5 and IL-13 in nasal mucosa was detected by immunofluorescence and/or Western Blot assay. Finally, fungal extracts, IL-25 and glucocorticoids were used to stimulate nasal mucosal epithelial cells and tissues in vitro respectively to detect the regulatory effect of IL-25 on ILC2s. SPSS 16.0 software was used to analyze the data. Results: The prevalence of ILC2s in nasal tissues was higher in patients with AFRS than those of the control group ((3.85±1.52)%(Mean±SD) vs (0.32±0.10)%, U=9.00, P<0.05). There was a positive correlation between the prevalence of ILC2s and the number of eosinophils in nasal mucosa of patients with ARFS (r=0.80, P<0.05). The expression of IL-25, IL-5 and IL-13 in nasal mucosa epithelium of AFRS group was significantly higher than that of the control group (0.49±0.13 vs 0.23±0.09, 0.23±0.05 vs 0.10±0.04, 0.31±0.08 vs 0.14±0.07, t value was 5.90, 7.21, 5.69, respectively, all P<0.05). Fungal stimulation enhanced the expression of IL-25 protein in nasal epithelial cells of both groups (0.67±0.19 vs 0.25±0.12 (AFRS group), 0.62±0.17 vs 0.27±0.16 (control group), q value was 8.65, 9.26, respectively, all P<0.05). In the IL-25 stimulated nasal mucosa at a concentration of 1, 10 and 100 ng/ml, the expression level of retinoid acid-related orphan receptor α (RORα) mRNA was 2.07±1.53, 5.06±0.93, 7.38±2.30, respectively; the expression level of GATA binding protein 3 (GATA3) mRNA was 3.58±1.29, 6.14±1.55, 7.64±2.28, respectively; the expression level of IL-5 protein was 0.21±0.06, 0.32±0.06, 0.38±0.10, respectively; the expression level of IL-13 was 0.52±0.13, 0.69±0.22, 0.82±0.21, respectively, which were significantly higher than that in the unstimulated nasal mucosa (1.00±0.00, 1.00±0.00, 0.11±0.05, 0.35±0.15, F value was 63.45, 59.27, 49.35, 20.20, respectively, all P<0.05). The up-regulation could be inhibited by dexamethasone (F value was 89.20, 92.47, 99.63, 49.82, respectively, all P<0.05). Conclusions: Epithelial-derived IL-25 up-regulates the expression of IRC2s-dependent transcription factors RORα and GATA3 mRNA, which are positively correlated with elevated IL-13 and IL-5 expression levels in tissues, may be involved in AFRS inflammatory response, and are inhibited by glucocorticoids.
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Affiliation(s)
- M H Zhou
- Department of Rhinology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - S J Zhang
- Department of Clinical Laboratory, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - F Wang
- Department of Pathology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Y L Zhao
- Department of Rhinology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Y Q Liu
- Department of Pathology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Y J Zhang
- Department of Rhinology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - S Liu
- Department of Clinical Laboratory, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
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Zhou MH, Zhao YL, Zhang YJ, Zhang ST. [Clinical analysis of combined treatment in 87 patients with recurrent allergic fungal rhinosinusitis]. Lin Chung Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2018; 32:541-544. [PMID: 29798088 DOI: 10.13201/j.issn.1001-1781.2018.07.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 01/27/2018] [Indexed: 11/12/2022]
Abstract
Objective:To evaluate the effects of combined treatment with FESS on postoperative recurrent allergic fungal rhinosinusitis treatment.Method:Eighty-seven patients with allergic fungal sinusitis under combined treatment were investigated.Result:All patients were followed up for more than one year.Clinical symptoms had greatly improved after treatment compared with before treatment.Postoperative VAS score and Lund-Mackay score were lower than preoperative ones.Out of 87 patients,42 patients were successfully cured, 37 patients showed improvement, but there was no change in other 8 patients. The total efficacy rate was 90.81%.Conclusion:The combined treatment of recurrent allergic fungal rhinosinusitis treatment has achieved good effect. We should not only open sinus and remove the fungi, but also should pay attention to the elimination of inflammatory response in the treatment of recurrent allergic fungal rhinosinusitis.
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Affiliation(s)
- M H Zhou
- Department of Rhinology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052,China
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Zhou MH, Zhao YL, Zhang YJ, Zhang ST. [Clinical analysis of individualized nasal cavity ventilation expansion techniques for treatment of OSAHS patients]. Lin Chung Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2018; 32:941-943;948. [PMID: 29921079 DOI: 10.13201/j.issn.1001-1781.2018.12.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 03/10/2018] [Indexed: 11/12/2022]
Abstract
Objective:To investigate efficacy of individualized nasal cavity ventilation expansion techniques for OSAHS patients with nasal obstruction. Method:One hundred and twelve OSAHS patients with nasal obstruction were included in this study. Nasal cavity ventilation expansion techniques were performed. Every patient took the examination of acoustic rhinometry, nasal respiration volume, rhinomanometry and polysomnography, and filled VAS of nasal obstruction and Epworth Sleep Scores(ESS) before surgery and three months after surgery. Result:Follow-up was for 6-12 months. Of all the patients, 39 cases were cured, 37 cases were remarkably improved, 21 cases were effective, and 15 cases were of no effect, respectively. Compared with pre-operative examination data in all OSAHS patients, nasal ventilation was markedly improved, the ESS was significantly decreased, the AHI was significantly decreased, LSaO2 and MSaO2 were significantly increased, and sleep structure did not change significantly in all OSAHS patients 6 month after nasal surgery. Conclusion:Individualized nasal cavity ventilation expansion techniques is an effective treatment for OSAHS patients with nasal obstruction,improves the safety of patients with UPPP surgery, and the tolerability of CPAP in some patients with ineffective surgery.
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Affiliation(s)
- M H Zhou
- Department of Rhinology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou,450052, China
| | - Y L Zhao
- Department of Rhinology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou,450052, China
| | - Y J Zhang
- Department of Rhinology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou,450052, China
| | - S T Zhang
- Department of Rhinology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou,450052, China
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Chen Q, Ba YP, Zhou MH, Li SD, Zhang PW. [CD23 on B cells determines Breg-facilitated IL-10 secretion as well as activation of T cells]. Lin Chung Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2018; 32:931-937. [PMID: 29921077 DOI: 10.13201/j.issn.1001-1781.2018.12.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Indexed: 11/12/2022]
Abstract
Objective:To explore whether or not the IL-10 mediated by Bregs modulate the secreting T cells activation by the anti-CD23 antibody, to find a new target for the treatment of allergic rhinitis. Method:The rat model of allergic rhinitis was established. Anti-CD23 antibody was used to observe the behavioral changes, passive skin allergen test, enzyme-linked immunosorbent assay, hematoxylin and eosin staining, immunofluorescence and flow cytometry serological indicators, systemic and nasal mucosa. Result:Compared with the blank control group, allergic rhinitis group rats sneezing, flexible nose, runny nose, subcutaneous mass increases;The levels of IL-10, IFN-γ and Bregs in blood decreased, the levels of IL-4, CD23+ B cells and CD4+ T cells increased;Nasal mucosa CD23 fluorescence intensity increased, CD19 and IL-10 fluorescence intensity decreased. Compared with the allergic rhinitis group, the number of sneezing, the frequency of nasal flexion, the symptoms of runny nose and the subcutaneous mass in the antibody intervention group were significantly improved;The levels of IL-10 in the blood, IFN-γ, the percentage of Bregs cells in whole blood increased, the levels of IL-4, CD23+ B cells and CD4+ T cells decreased;Nasal mucosa CD23 fluorescence intensity decreased, CD19 and IL-10 fluorescence intensity increased. There is little difference between the two routes of administration. Conclusion:The enhanced expression of CD23 on B cells is involved in the development of allergic rhinitis. The anti-CD23 antibody may control the symptoms and signs of allergic rhinitis. There is no significant difference between subcutaneous administration and improved nasal-drip way. As the preferred method of anti-CD23 antibody application, anti-CD23 is expected to become a new method to control and treat allergic rhinitis. Anti-CD23 antibodies can exert a therapeutic effect by T cell activation,which rely on the Bregs-mediated secretion of IL-10.
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Affiliation(s)
- Q Chen
- Department of Rhinology,the First Affiliated Hospital of Zhengzhou University,Zhengzhou,450000,China
| | - Y P Ba
- Department of Rhinology,the First Affiliated Hospital of Zhengzhou University,Zhengzhou,450000,China
| | - M H Zhou
- Department of Rhinology,the First Affiliated Hospital of Zhengzhou University,Zhengzhou,450000,China
| | - S D Li
- Department of Rhinology,the First Affiliated Hospital of Zhengzhou University,Zhengzhou,450000,China
| | - P W Zhang
- Department of Rhinology,the First Affiliated Hospital of Zhengzhou University,Zhengzhou,450000,China
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Shao PL, Li ZR, Wang ZP, Zhou MH, Wu Q, Hu P, He Y. [3 + 2] Cycloaddition of Azaoxyallyl Cations with Cyclic Ketones: Access to Spiro-4-oxazolidinones. J Org Chem 2017; 82:10680-10686. [DOI: 10.1021/acs.joc.7b01728] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Pan-Lin Shao
- Chongqing Key Laboratory
of Natural Product Synthesis and Drug Research, School of Pharmaceutical
Sciences, Chongqing University, 55 Daxuecheng South Road, Shapingba, Chongqing 401331, PR China
| | - Zi-Rui Li
- Chongqing Key Laboratory
of Natural Product Synthesis and Drug Research, School of Pharmaceutical
Sciences, Chongqing University, 55 Daxuecheng South Road, Shapingba, Chongqing 401331, PR China
| | - Zhi-Peng Wang
- Chongqing Key Laboratory
of Natural Product Synthesis and Drug Research, School of Pharmaceutical
Sciences, Chongqing University, 55 Daxuecheng South Road, Shapingba, Chongqing 401331, PR China
| | - Ming-Hui Zhou
- Chongqing Key Laboratory
of Natural Product Synthesis and Drug Research, School of Pharmaceutical
Sciences, Chongqing University, 55 Daxuecheng South Road, Shapingba, Chongqing 401331, PR China
| | - Qi Wu
- Chongqing Key Laboratory
of Natural Product Synthesis and Drug Research, School of Pharmaceutical
Sciences, Chongqing University, 55 Daxuecheng South Road, Shapingba, Chongqing 401331, PR China
| | - Ping Hu
- Chongqing Key Laboratory
of Natural Product Synthesis and Drug Research, School of Pharmaceutical
Sciences, Chongqing University, 55 Daxuecheng South Road, Shapingba, Chongqing 401331, PR China
| | - Yun He
- Chongqing Key Laboratory
of Natural Product Synthesis and Drug Research, School of Pharmaceutical
Sciences, Chongqing University, 55 Daxuecheng South Road, Shapingba, Chongqing 401331, PR China
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21
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Liu YB, Hu Y, Deng XY, Wang ZG, Sun X, Lu PS, Guo HX, Tang FY, Zhou MH. [Study of mumps immunity after administrating measles-mumps-rubella vaccine among children aged 2-7 years old in Jiangsu Province in 2015]. Zhonghua Yu Fang Yi Xue Za Zhi 2017; 51:593-597. [PMID: 28693082 DOI: 10.3760/cma.j.issn.0253-9624.2017.07.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the immunity to mumps after administrating measles-mumps-rubella vaccine (MMR) among children aged 2-7 years old in Jiangsu province in 2015. Methods: A total of 4 190 healthy children aged 2-7 years old, living in local places for at least 3 months, and having been vaccinated at least 1 dose MMR were recruited to the study from Wujin district of Changzhou city, Gaogang district of Taizhou city and Ganyu district of Lianyungang city by using stratified cluster random sampling method between September and November, 2015. Those who did not accept MMR vaccination, who refused venous blood collection, who had affected mumps according to the memory of parents or teachers and who were diagnosed serious disease by clinical doctors were excluded from study. The self-designed questionnaire was used to collect the general information of the subjects and their MMR immunization history; and 0.5-2.0 ml of venous blood was collected from each subject. ELISA was used to detect the mumps antibody level in the serum of patients. Positive was defined as the antibody level ≥108 mU/ml, and negative as <108 mU/ml. χ(2) test was used to compare the difference in positive rates among subjects; and analysis of variance was used to compare the GMC changes in different time points after MMR vaccination. Results: Among 4 190 children, 2 280 were males (54.42%) and 1 910 were females(45.58%), and the positive rate of IgG antibody was 81.38% (3 344). There were 3 156 (95.18%) children vaccinated with one dose MMR, 187 (4.80%) children with two dose MMR, and 1 (0.02%) child with three dose MMR. The difference in positive rate of IgG antibody among different aged subjects showed statistical significance (χ(2)=58.61, P<0.001), the highest positive rate was in group of subjects aged 4-5 years old, at 89.43% (406/454), while the lowest positive rate was found among subjects aged 6-7 years old, at 75.63% (1 648/2 179). The positive rate after one dose of MMR vaccination was 79.14% (3 156/3 988), significantly less than it after two doses (93.03%, 187/201) (χ(2)=22.93, P<0.001). The GMC level at years<1, 1-<2, 2-<3, 3-<4, ≥4 following one dose MMR in the 3 988 children was 152.47, 227.78, 167.08, 126.91, 79.43 mU/ml, whose difference was statistically significant (F=51.29, P<0.001). Conclusion: The sero-prevalence of IgG antibody in the children aged 2-7 years old in Jiangsu province was high. The positive rate among who received two doses MMR was significantly higher than it among who received just one dose, and the GMC level waned with times.
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Affiliation(s)
- Y B Liu
- Division of Expanded Programme Immunization, Jiangsu Center for Disease Control and Prevention, Nanjing 210009, China
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22
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Zhang WJ, Shang XL, Peng J, Zhou MH, Sun WJ. Expression of prion protein in the cerebrospinal fluid of patients with Parkinson's disease complicated with rapid eye movement sleep behavior disorder. Genet Mol Res 2017; 16:gmr-16-01-gmr.16019022. [PMID: 28128401 DOI: 10.4238/gmr16019022] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Parkinson's disease (PD) is one of the most common neurodegenerative diseases and mainly manifests with decreasing numbers of dopaminergic neurons. Rapid eye movement (REM) sleep behavior disorder (RBD) has an incidence of 15-47% in all PD patients. Prion proteins (PrPs), which are expressed in both neurons and glial cells of the brain, are believed to be correlated with abnormal neurological functions, although their role in PD-related sleeping disorders remains unclear. We therefore investigated the expressional profiles of PrP in PD patients with RBD. Quantitative real-time polymerase chain reaction and western blotting were used to detect the mRNA and protein levels of PrP, respectively, in the cerebrospinal fluid (CSF) of PD patients with RBD, PD patients without sleeping disorder, and healthy people (N = 23 each). We investigated the correlation between the CSF PrP level and sleeping behavior in PD patients. Patients with PD complicated with RBD had significantly elevated CSF PrP expression levels (both mRNA and protein) compared with either PD patients without sleeping disorder or healthy individuals (P < 0.05 in both cases). There is elevated expression of PrP in the CSF of PD patients with RBD. This may benefit the diagnosis of PD-related RBD.
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Affiliation(s)
- W J Zhang
- Department of Neurology, Dongying People's Hospital, Dongying, China
| | - X L Shang
- Department of Neurology, First Affiliated Hospital, China Medical University, Shenyang, China
| | - J Peng
- Department of Neurology, Dongying People's Hospital, Dongying, China
| | - M H Zhou
- Department of ICU, Dongying People's Hospital, Dongying, China
| | - W J Sun
- Department of Policlinic, Dongying People Hospital, Dongying, China
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Zhu HW, Jiang D, Xie ZY, Zhou MH, Sun DY, Zhao YG. Effects of stathmin 1 silencing by siRNA on sensitivity of esophageal cancer cells Eca-109 to paclitaxel. Genet Mol Res 2015; 14:18695-702. [PMID: 26782519 DOI: 10.4238/2015.december.28.18] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
We investigated the effects of stathmin 1 (STMN1) silencing by small interfering (siRNA) on the sensitivity of esophageal cancer cells Eca-109 to paclitaxel. STMN1 siRNA was transiently transfected into Eca-109 cells. The effects of transfection were detected by quantitative polymerase chain reaction and western blotting. The effects of STMN1 silencing by siRNA on the sensitivity of esophageal cancer cells Eca-109 to paclitaxel was tested by MTT and colony formation assays. Hoechst 33258 nuclear staining was used to investigate the differences in Eca-109 cell apoptosis induced by paclitaxel. STMN1 siRNA was successfully transfected and the expression of STMN1 was inhibited. The sensitivity of STMN1 siRNA-transfected Eca-109 cells to paclitaxel was significantly increased (P < 0.01). The apoptosis of Eca-109 cells significantly increased following treatment with paclitaxel (P < 0.01). STMN1 silencing by siRNA may enhance the sensitivity of esophageal cancer cells Eca-109 to paclitaxel and induce apoptosis.
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Affiliation(s)
- H W Zhu
- Department of Gastroenterology, Guangzhou General Hospital of the Guangzhou Military Command of the People's Liberation Army, Guangzhou, China
| | - D Jiang
- Department of Gastroenterology, Guangzhou General Hospital of the Guangzhou Military Command of the People's Liberation Army, Guangzhou, China
| | - Z Y Xie
- Department of Gastroenterology, Guangzhou General Hospital of the Guangzhou Military Command of the People's Liberation Army, Guangzhou, China
| | - M H Zhou
- Department of Gastroenterology, Guangzhou General Hospital of the Guangzhou Military Command of the People's Liberation Army, Guangzhou, China
| | - D Y Sun
- Department of Gastroenterology, Guangzhou General Hospital of the Guangzhou Military Command of the People's Liberation Army, Guangzhou, China
| | - Y G Zhao
- Department of Gastroenterology, Guangzhou General Hospital of the Guangzhou Military Command of the People's Liberation Army, Guangzhou, China
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Zhu HH, Zhu XY, Zhou MH, Cheng GY, Lou WH. Effect of WNT5A on epithelial-mesenchymal transition and its correlation with tumor invasion and metastasis in nasopharyngeal carcinoma. ASIAN PAC J TROP MED 2015; 7:488-91. [PMID: 25066400 DOI: 10.1016/s1995-7645(14)60080-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2013] [Revised: 01/15/2014] [Accepted: 03/15/2014] [Indexed: 10/25/2022] Open
Abstract
OBJECTIVE To investigate the correlation between nasopharyngeal carcinoma cell WNT5A and epithelial-mesenchymal transition (emt)/metastasis, and investigate its possible mechanisms. METHODS RT-PCR and gene transfection were used to detect the expression of nasopharyngeal carcinoma cell strains WNT5A and EMT related factor 5-8F. Transient transfection of NPC cell line 5-8F was determined by liposome of plasmid with WNT5A gene. The differential expressions of WNT5A and EMT-related factors in cells before and after transfection were detected by RT-PCR. Cell scratch assay and Transwell assay were used to detect the motility abilities of cells before and after 5-8F transfection. RESULTS The expressions of WNT5A and EMT related factors matrix metalloproteinase-2 of the WNT5A transferred group in the nasopharyngeal carcinoma cell line 5-8F were higher than the blank control group and the empty vector transferred group, and the transfer ability of the WNT5A transferred group was higher than that in the blank control group and the empty vector transferred group, while the expressions of EMT related factors E-cadherin were lower than that in the blank control group and the empty vector transferred group, and the transfer ability of the WNT5A transferred group was higher than that in the blank control group and the empty vector transferred group. CONCLUSIONS In nasopharyngeal carcinoma cells, WNT5A can regulate the epithelial-mesenchymal transition and affect the ability of tumor invasion and metastasis of nasopharyngeal carcinoma.
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Affiliation(s)
- Hong-Hai Zhu
- Rhinology of the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China
| | - Xiao-Yuan Zhu
- Department of Otolaryngology-Head and Neck Surgery, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China
| | - Ming-Hui Zhou
- Rhinology of the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China.
| | - Gen-Yang Cheng
- Department of Nephrology of the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China
| | - Wei-Hua Lou
- Department of Otolaryngology-Head and Neck Surgery, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China
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Dulong C, Fang YJ, Gest C, Zhou MH, Patte-Mensah C, Mensah-Nyagan AG, Vannier JP, Lu H, Soria C, Cazin L, Mei YA, Varin R, Li H. The small GTPase RhoA regulates the expression and function of the sodium channel Nav1.5 in breast cancer cells. Int J Oncol 2013; 44:539-47. [PMID: 24337141 DOI: 10.3892/ijo.2013.2214] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2013] [Accepted: 11/06/2013] [Indexed: 11/05/2022] Open
Abstract
Voltage-gated Na+ channels (VGSCs) are highly expressed in several types of carcinomas including breast, prostate and lung cancers as well as in mesothelioma and cervical cancers. Although the VGSCs activity is considered crucial for the potentiation of cancer cell migration and invasion, the mechanisms responsible for their functional expression and regulation in cancer cells remain unclear. In the present study, the role of the small GTPase RhoA in the regulation of expression and function of the Nav1.5 channel in the breast cancer cell lines MDA-MB 231 and MCF-7 was investigated. RhoA silencing significantly reduced both Nav1.5 channel expression and sodium current indicating that RhoA exerts a stimulatory effect on the synthesis of an active form of Nav1.5 channel in cancer cells. The inhibition of Nav1.5 expression dramatically reduced both cell invasion and proliferation. In addition, a decrease of RhoA protein levels induced by Nav1.5 silencing was observed. Altogether, these findings revealed: i) the key role of the small GTPase RhoA in upregulation of Nav1.5 channel expression and tumor aggressiveness, and ii) the existence of a positive feedback of Nav1.5 channels on RhoA protein levels.
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Affiliation(s)
- C Dulong
- MERCI, EA 3829, Faculté de Médecine et de Pharmacie, Université de Rouen, Rouen, France
| | - Y J Fang
- Center for Brain Science Research, School of Life Science, Fudan University, P.R. China
| | - C Gest
- MERCI, EA 3829, Faculté de Médecine et de Pharmacie, Université de Rouen, Rouen, France
| | - M H Zhou
- Center for Brain Science Research, School of Life Science, Fudan University, P.R. China
| | - C Patte-Mensah
- Unité de Physiopathologie et Médecine Translationnelle, Faculté de Médecine, Strasbourg, France
| | - A G Mensah-Nyagan
- Unité de Physiopathologie et Médecine Translationnelle, Faculté de Médecine, Strasbourg, France
| | - J P Vannier
- MERCI, EA 3829, Faculté de Médecine et de Pharmacie, Université de Rouen, Rouen, France
| | - H Lu
- INSERM UMR-S 728, l'Institut Hématologie, Université Paris 7 Diderot, France
| | - C Soria
- MERCI, EA 3829, Faculté de Médecine et de Pharmacie, Université de Rouen, Rouen, France
| | - L Cazin
- MERCI, EA 3829, Faculté de Médecine et de Pharmacie, Université de Rouen, Rouen, France
| | - Y A Mei
- Center for Brain Science Research, School of Life Science, Fudan University, P.R. China
| | - R Varin
- MERCI, EA 3829, Faculté de Médecine et de Pharmacie, Université de Rouen, Rouen, France
| | - H Li
- MERCI, EA 3829, Faculté de Médecine et de Pharmacie, Université de Rouen, Rouen, France
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Du DS, Zhu T, Ren ST, Xie GL, Li SB, Chu DC, Liu XT, Liu M, Ma XB, Zhou MH, Zhu DN, Deng ZX, Wang J. γ-Aminobutyric acid-mediated neurotransmission in cerebellar-hypothalamic circuit attenuates gastric mucosal injury induced by ischemia-reperfusion. Neurogastroenterol Motil 2013; 25:313-e249. [PMID: 23279161 DOI: 10.1111/nmo.12062] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
BACKGROUND Excessive greater splanchnic nerve (GSN) activation contributes to the progression of gastric ischemia-reperfusion (GI-R) injury. This study was designed to investigate the protective mechanism of cerebellar fastigial nucleus (FN) stimulation against GI-R injury. METHODS The GI-R injury model was induced in rats by clamping the celiac artery for 30 min, and then reperfusion for 30 min, 1, 3, 6, or 24 h, respectively. KEY RESULTS Microinjection of L-Glu (3, 6, 12 μg) into the FN dose-dependently attenuated GI-R injury and GSN activity. In addition, there was an enhancement of gastric mucosal blood flow in GI-R rats. Pretreatment with the glutamic acid decarboxylase antagonist into the FN, the GABAA receptor antagonist into the lateral hypothalamic area or lesion of superior cerebellar peduncle all reversed the protective effects of the FN stimulation. Furthermore, the FN stimulation reduced the TUNEL-positive gastric mucosal cell and Bax-positive gastric mucosal cell in GI-R rats. CONCLUSIONS & INFERENCES These results indicate that the protective effects of the FN stimulation against GI-R injury may be mediated by attenuation of the excessive GSN activation, gastric mucosal cell apoptosis, and Bax expression in GI-R rats.
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Affiliation(s)
- D S Du
- Department of Physiology and Pathophysiology, Shanghai Medical College of Fudan University, Shanghai, China
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Abstract
The abundant and indiscriminant disposal of waste tyres has caused both health and environmental problems. In this work, we provide a new way to dispose off waste tyres by reusing the waste tyre rubber (WTR) for oil absorptive material production. To investigate this feasibility, a series of absorbents were prepared by graft copolymerization-blending method, using waste tyre rubber and 4-tert-butylstyrene (tBS) as monomers. Divinylbenzene (DVB) and benzoyl peroxide (BPO) were employed as crosslinker and initiator, respectively. The existence of graft-blends (WTR-g-tBS) was determined by FTIR spectrometry and verified using thin-layer chromatography (TLC). In addition, the thermal properties of WTR-g-tBS were confirmed by a thermogravimetric analyzer (TGA). Oil absorbency of the grafted-blends increased with increases in either feed ratio of WTR to tBS or DVB concentration. This absorbency reached a maximum of 24.0gg(-1) as the feed ratio and DVB concentration were 60/40 and 1wt%, respectively, after which it decreased. At other ratios and concentrations the absorbency decreased. The gel fraction of grafted-blends increased with increasing concentration of DVB. Oil-absorption processes in pure toluene and crude oil diluted with toluene were found to adhere to first-order absorption kinetics. Furthermore, the oil-absorption rate in diluted crude oil was observed to be lower than pure toluene.
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Affiliation(s)
- B Wu
- College of Environmental Science and Engineering, Donghua University, Shanghai 201620, People's Republic of China.
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Zhou MH, Yu YQ, Duan GL, Cheng WB, Xu CJ, Liu X. [Pharmacokinetics and bioavailability of clinafloxacin in rats]. Yao Xue Xue Bao 2001; 36:134-6. [PMID: 12579882] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/28/2023]
Abstract
AIM To study the pharmacokinetics and bioavailability of clinafloxacin in rats. METHODS The drug concentration was determined by HPLC. The main pharmacokinetic parameters were obtained by 3P87 program. An RP-C18 was used as the stationary phase. The mobile phase was a mixture of acetonitrile-0.05 mol.L-1 citric acid triethylamine (pH 2.5) (20:80). The flow rate was 1.0 mL.min-1. The UV absorbance detector was set at 300 nm. RESULTS A good linearity was obtained from 0.03-20 micrograms.mL-1 of clinafloxacin in rat plasma with gamma = 0.9998. The plasma concentration--time curve of clinafloxacin conformed to one compartment open model. After ig administration of 50 mg.kg-1 and 100 mg.kg-1 dose of clinafloxacin in six rats, mean Cmax and AUC values increased in proportion to dose. Mean T1/2 appeared to be independent of dose. Mean AUC was 65 +/- 6 and 27 +/- 4 micrograms.h.mL-1 respectively after i.v. and ig administration of 100 mg.kg-1 dose. The extent of bioavailability (F) of clinafloxacin was 42%. CONCLUSION The results of the pharmacokinetic study of clinafloxacin showed that it exhibited first order kinetic characteristics and the bioavailability is low.
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Affiliation(s)
- M H Zhou
- Department of Analytical Chemistry, School of Pharmacy, Shanghai Medical University, Shanghai 200032, China.
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Abstract
OBJECTIVE To determine the direct action of RU486 on endometrial cell proliferation and to differentiate whether the antioxidant or the antiprogesterone property of RU486 is predominately responsible for its effect on cell growth. DESIGN In vitro study comparing the effects of RU486 (antiprogesterone and antioxidant), reduced RU486 (antioxidant), ZK112,993 (antiprogesterone), and lazaroid U74,500A (antioxidant) on endometrial cell growth. The human endometrial cell line EM42 was used in transient transfection assays to confirm the relative antiprogesterone potency of the various compounds. SETTING Academic medical center PATIENT(S) Women presenting with pelvic pain or infertility and diagnosed with endometriosis at time of surgery or women desiring tubal ligation with a normal pelvis (controls). INTERVENTION(S) Endometrial cell cultures were treated with RU486, reduced RU486, lazaroid U74,500A, and ZK112,993. MAIN OUTCOME MEASURE(S) Tritiated thymidine incorporation was used to assess cell growth. Inhibition of progesterone induction of transiently transfected reporter plasmids was used to measure antiprogesterone activity of compounds studied. RESULT(S) RU486 reduced cell growth in a dose-dependent fashion of the endometrial cell lines EM42 and RL95-2 and of endometrial and endometriosis cells from primary culture. After being reduced, RU486 lost most of its antiprogesterone activity but retained its antiproliferative properties. ZK112,993 was similar in potency to RU486 as a progesterone antagonist but did not significantly modify endometrial cell growth. Lazaroid U74,500A was devoid of antiprogesterone activity but was shown to be a potent antiproliferative agent. CONCLUSION(S) RU486 has a direct inhibitory effect on human endometrial cell growth. This activity appears to be at least partly mediated through its antioxidant property.
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Affiliation(s)
- A A Murphy
- Department of Gynecology and Obstetrics, Emory University School of Medicine, Atlanta, Georgia 30322, USA
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Hu PJ, Li YY, Zhou MH, Chen MH, Du GG, Huang BJ, Mitchell HM, Hazell SL. Helicobacter pylori associated with a high prevalence of duodenal ulcer disease and a low prevalence of gastric cancer in a developing nation. Gut 1995; 36:198-202. [PMID: 7883217 PMCID: PMC1382404 DOI: 10.1136/gut.36.2.198] [Citation(s) in RCA: 40] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
This study examines the relationship between Helicobacter pylori infection and peptic ulcer disease and gastric cancer--in particular, the presence or absence of bacteria, the grading of gastritis, and the degree of inflammation in the antral and oxyntic mucosae. The grading of gastritis and the detection of H pylori were determined by histology using the Sydney system. Of the 1006 patients examined, 34.5% had duodenal ulcer disease, 3.5% gastric ulcer disease, and 2% with coexistent ulceration. Most patients (50.2%) were classified as having non-ulcer dyspepsia. Altogether 2.4% of patients had gastric cancer and two further patients had carcinoma in the gastric stump. Of the ulcer disease patients, 87.2% had histological evidence of H pylori infection. After patients who had taken antibiotics or bismuth compounds in the preceding four weeks were excluded, 98.9% of the duodenal ulcer disease, 100% of the gastric ulcer disease, and 100% of the coexistent ulcer disease patients had evidence of H pylori infection. In patients with gastric cancer who had not taken antimicrobial agents in the four weeks before endoscopy, 83.3% had evidence of H pylori infection. Thus, there was a high rate of duodenal ulcer disease and a low rate of gastric ulcer disease in southern China, an area of low gastric cancer mortality. There was a specific topographical relationship between H pylori, the histological response, and gastroduodenal disease. Our data suggest that the status of a nation as either 'developed' or 'developing' can not be used to predict the upper gastrointestinal disease profile of its population.
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Affiliation(s)
- P J Hu
- Affiliated First Hospital, Sun Yat-Sen University of Medical Science, People's Republic of China
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Abstract
Upper esophageal gastric heterotopia (inlet patch) has not been reported in endoscopic series from China. We describe the occurrence of endoscopically and histologically typical inlet patches in two endoscopic surveys of asymptomatic adults in northern China. Because rapid endoscopic protocols were used, the 0.3-0.4% prevalence of inlet patch in these surveys probably represents a minimum figure for adults in this population.
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Affiliation(s)
- G Q Wang
- Department of Chest Surgery, Cancer Hospital, Chinese Academy of Medical Sciences, Beijing
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Zhou MH, Ren F, Zhao LP. Identification of a 12.5-kD protein from caudate-putamen nucleus as a dopaminergic neuronotrophic factor. Sci China B 1994; 37:1360-5. [PMID: 7865127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
The effect of the extract from caudate-putamen nucleus of newborn rats (CPe) on the dopaminergic (DA) neurons has been studied. An MTT colorimetric microassay measuring optical densities for the growth of DA neuron cultures reveals a significant increase in growth for cultures with CPe as compared to those without CPe (p < 0.05). Rhodamine retrograde-prelabelled DA neurons were cultured on a Phastgel containing all the electrophoretically separated protein bands from CPe, and able to fish out from it their own trophic factor, a 12.5-kD protein band. The survived neurons at the 12.5-kD protein band were immunostained positive with anti-dopamine antibody. Co-culturing the 12.5 kD-containing gel strip with explants from substantia nigra at a close distance for a week revealed anti-dopamine immunopositive neurites outgrowing from the explants only towards the 12.5-kD gel strip. These results indicate that a 12.5-kD protein from the CPe is capable of maintaining the survival of DA neurons of the substantia nigra and promoting their neurite outgrowth.
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Affiliation(s)
- M H Zhou
- Department of Anatomy, University of Hong Kong
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Hu PJ, Mitchell HM, Li YY, Zhou MH, Hazell SL. Association of Helicobacter pylori with gastric cancer and observations on the detection of this bacterium in gastric cancer cases. Am J Gastroenterol 1994; 89:1806-10. [PMID: 7942672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
OBJECTIVE The aim of the present study was to assess the prevalence of Helicobacter pylori infection in Chinese patients with advanced gastric cancer, to compare this with a matched control population, and to identify factors that may effect the detection of H. pylori in patients with gastric cancer. METHODS Fifty-one patients with advanced gastric cancer and 102 age/sex-matched controls were included in the study. For the detection of H. pylori, both biopsy specimens and sera were collected from the patients, whereas only sera were collected from the controls. A strong association was shown between H. pylori and both intestinal and diffuse type gastric cancer. Antibiotic intake in the month before endoscopic examination, the site of collection of biopsy specimens, and tumor size were identified as factors that may reduce the histological detection of H. pylori in gastric cancer patients. CONCLUSIONS These data provide supporting evidence of an association between H. pylori infection and gastric cancer and indicate that, in certain circumstances, histological evaluation of H. pylori infection in gastric cancer cases may be less reliable than serological evaluation.
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Affiliation(s)
- P J Hu
- First Affiliated Hospital, Sun Yat-Sen University of Medical Science, Guangzhou, China
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Tang XY, Zhou MH, Zhang ZH, Zhang YB. [Active constituents of Commelina communis L]. Zhongguo Zhong Yao Za Zhi 1994; 19:297-8, inside backcover. [PMID: 7945872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
According to the pharmacological results five compounds were isolated from the herb of Commelina communis. Based on physico-chemical constants and spectral data, four of them were identified as n-triacontanol, p-hydroxycinnamic acid, daucosteril and D-mannitol. p-hydroxycinnamic acid shows antibacterial activity and D-mannitol shows antitussive effect.
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Affiliation(s)
- X Y Tang
- Hubei College of Traditional Chinese Medicine, Wuhan 430061
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35
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Zhou MH, Ren F. [Growth inhibitory action of RGNTF-McAb on human retinoblastoma cell line Y-79]. Zhonghua Yan Ke Za Zhi 1993; 29:349-52. [PMID: 8020378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
The monoclonal antibody against the retinal ganglion neuronotrophic factor (RGNTF-McAb) was used in immunostaining of the Western blotting membrane separated from extract of human retinoblastoma cell line Y-79 to find that the latter contained a 30KD protein which was immunologically similar to the RGNTF secreted from the tectum of rat. The effect of different concentrations of RGNTF-McAb on the growth of Rb cells in cultures of different seeding concentrations was studied, revealing that the growth inhibitory action of RGNTF-McAb increased with increasing concentrations, up to 67% inhibition. Morphologically the growth and division of Rb cells were significantly inhibited as compared to the controls. The RGNTF-anti-idiotypic antibody was used for the localization of the RGNTF receptor, which the immunoreactive positive staining indicated to be on the surface of Rb cell membrane. The RGNTF-McAb could thus neutralize the RGNTF and inhibit growth of the Rb cells. These findings support the application of RGNTF-McAb to the treatment of retinoblastoma.
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Affiliation(s)
- M H Zhou
- Department of Anatomy, University of Hong Kong
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36
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Ren F, Zhou MH. [Neuronotrophic factors and proto-oncogene]. Sheng Li Ke Xue Jin Zhan 1993; 24:212-6. [PMID: 8159989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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37
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Zhou MH, Ren F, Qiu PX. Changes in rat retinal ganglion neuronotrophic factor and its mRNA during postnatal development. Sci China B 1993; 36:305-13. [PMID: 8397801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
The monoclonal antibody specific to the retinal ganglion neuronotrophic factor (RGNTF) was used to localize and quantify the presence and amount of RGNTF during the postnatal development of the visual system in the rat. The results showed that in the 0-1-day age group, neurons at the superficial layers and deep part of superior colliculus, and as well as retinal ganglion cells were strongly stained with their RGNTF contents quantified to be 88%, 100% and 100%, respectively. In the 5-6-day age group, RGNTF contents were significantly reduced to merely 50%, 30% and 80%, respectively. The RGNTF contents reduced further to 0% as age increased to 2 years old. A 32P-DNA probe specific to the first 7 amino acid sequence of RGNTF at its N-terminal end was synthesized and used for in situ hybridization studies. The results revealed that strong hybridized signals (i.e. mRNA of RGNTF) were localized in the same neurons in the superficial layers and deep part of the superior colliculus only in the 0-1-day age group, and that no signals were found in retinae of all postnatal age groups. The significant reduction of RGNTF may be related to the RGC death during postnatal development. Neurons at the superficial layers and deep part of the superior colliculus are the sources of RGNTF for RGCs in the postnatal retina.
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Affiliation(s)
- M H Zhou
- Department of Anatomy, University of Hong Kong
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38
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Ren F, Zhou MH. [Immunotherapy of human retinoblastoma with RGNTF-monoclonal antibody using nude mice as model]. Zhonghua Zhong Liu Za Zhi 1992; 14:323-6. [PMID: 1291287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Retinoblastoma in nude mice as an animal model was developed by injecting cultured human retinoblastoma cell line(Rb) Y79 into the anterior chamber of eyeball. It was treated by direct injection of RGNTF-McAb into the Rb tumor. Ten out of 30 eyeballs with Rb inoculation did not develop tumor (32% inhibition) if Rb cell suspension was mixed with the RGNTF-McAb before injection; whereas in the control, all 40 but 3 eyeballs developed tumor (7%) when Rb cell suspension alone had been injected. This 32% of inhibition of Rb tumor formation by RGNTF-McAb was very significant (T > 2.58, P < 0.01). The results of immunotherapy of 46 eyeballs with Rb tumor developed 10 days after inoculation by RGNTF-McAb for 2 months revealed that the proportion of grade III-IV tumors before and after therapy reduced from 53% to 26% and that of grade I-II tumors increased from 47% to 74%. Feulgen DNA staining of tumor sections after therapy revealed that the average DNA contents in Rb cells decreased significantly (P < 0.01) from 16.2 +/- 2.6 in grade III-IV to 5.3 +/- 1.2 in grade I-II compared to that of the untreated control 18.8 +/- 3.2. Numerous white cells infiltrating the Rb tumor, hyperplasia of fibrous tissues, and no spreading and metastasis of the tumor tissue were observed in the treated eyeballs; whereas Rb tumor was spreading to the optic nerve and superior colliculus in the untreated eyeballs. Therefore, the RGNTF-McAb can not only inhibit the growth of Rb cells but also limit their spreading and metastasis.(ABSTRACT TRUNCATED AT 250 WORDS)
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Hu PJ, Li YY, Mitchell HM, Zhou MH, Chen MH, Du GG, Huang BJ, Lee A, Hazell SL. Oxyntic and antral gastritis in the People's Republic of China: diagnosis and relationship to Helicobacter pylori. Am J Gastroenterol 1992; 87:741-5. [PMID: 1590312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
This study investigates the relationship between gastritis and Helicobacter pylori infection in the Chinese population. Particular focus was placed upon the grading of gastritis, using the recently developed "Sydney system." Five diagnostic procedures were used to establish H. pylori status, all of which were found to be highly sensitive and specific. Histological chronic gastritis was reported in 93/108 (86.1%) of the patients examined, H. pylori infection being present in 73/93 (78.5%), and in no patient with histologically normal mucosae. There was a relatively high incidence of idiopathic antral gastritis within the gastritic population, 20/93 (21.5%). In the H. pylori-positive group, 10/73 (13.7%) had pangastritis, 57/73 (78.1%) had pangastritis-antrum-predominant, and 6/73 (8.2%) had antral-only gastritis. The level of activity was significantly higher in the antrum; however, the distribution of bacteria between the antrum and body was not significantly different. There is a need for additional studies examining the specific topographical relationship between H. pylori, the histology, and gastroduodenal disease.
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Affiliation(s)
- P J Hu
- Affiliated First Hospital, Sun Yat-Sen University of Medical Science, Guangzhou, People's Republic of China
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40
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Abstract
Forty-one cases of nasopharyngeal and 13 cases of nasal malignant lymphoma have been examined histologically and immunohistochemically. All of the cases were non-Hodgkin's lymphoma; one case was of follicular type and the remaining 53 were of diffuse type. Large cell lymphoma comprised 48% of cases and most of the immunoblastic lymphomas showing pleomorphism occurred in the nose. Twenty-seven cases were of T-cell and 21 of B-cell phenotype. The predominance of T-cell lymphoma was due to an increased incidence of these in the nose, the T:B ratio of 3.33:1 contrasting with a 1:1.05 ratio in the nasopharynx. Nasopharyngeal lymphomas seem to show an intermediate incidence between the T-cell predominance in the nose and a B-cell predominance in the oropharynx. Since the large cell type of lymphoma was predominant, the differential diagnosis from undifferentiated carcinoma is important and is facilitated by the use of immunostaining methods.
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Affiliation(s)
- Y L Ye
- Department of Pathology, Sun Yat-Sen University of Medical Sciences, Guanhzhou, China
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41
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Zhou MH. [Immunohistochemical study of primary gastrointestinal malignant lymphoma]. Zhonghua Bing Li Xue Za Zhi 1991; 20:254-6. [PMID: 1813157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
63 cases of primary gastrointestinal non-Hodgkin's malignant lymphoma (ML), including 18 cases of gastric ML, 25 cases of small intestinal ML, 12 cases of ileocaecal ML and 8 cases of large intestinal ML, were studied. Small non-cleaved cell lymphomas were most common, accounting for 25.4% which was more common in the bowel than in the stomach. In 41 cases, a panel of monoclonal antibodies including L26, UCHL-1, Leu22 and Mac387 were used on paraffin section. The result of the staining was satisfactory in 37 cases. There were 35 cases (94.6%) exhibiting B-cell phenotype and 2 cases (5.4%) exhibiting T-cell phenotype. No histiocytic type was detected. The results of this and previous studies confirm the fact that most gastrointestinal lymphomas are B-cell lymphomas.
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Affiliation(s)
- M H Zhou
- Department of Pathology, Sun Yat-sen University of Medical Sciences
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42
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Zhao LP, Zhou MH. [Purification and survival of retinal ganglion cell]. Shi Yan Sheng Wu Xue Bao 1991; 24:181-7. [PMID: 1755264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
We had used a specific anti-Thy 1.1 antibody binding method and a nylonmembrane sieve method to isolate and purify retinal ganglion cells from neonatal rats in order to compare the effect of tectal extract on these purified cells retinal ganglion cells. Isolated retinal cell suspension with retinal ganglion cells retrograde-prelabelled with Fast Blue were seeded on culture dishes coated with the specific anti-Thy 1.1 antibody for 30 minutes before nonadherent cells were removed. The percentage purity of the adherent retinal ganglion cells determined microscopically to be 95%. However, the percentage purity of the Fast Blue-labelled retinal ganglion cells recovered using the nylon membrane of pore size 15 microns was only 60 +/- 5%. Retinal ganglion cells purified by both methods could survive and grow into large, active neurons with neurite outgrowths in the presence of tectal extract. A MTT colorimetric microassay was used to quantify the survival growth activity of these purified retinal ganglion cells after culture for 24 hours. The result showed that the optical density ratio (+Te/-Te) of the retinal ganglion cells purified by anti-Thy 1.1 antibody binding method was 12.3 (0.111/0.009) and by the nylon membrane method was 6.4 (0.102/0.016), and the optical density ratio of the non-purified retinal cells was 3.8 (0.095/0.025), p less than 0.01 for all 3 sets of results. It was concluded that in the absence of other cells, the purified retinal ganglion cells responded specifically to the trophic activity in tectal extract, the purer the retinal ganglion cells and the clearer the effect.
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Affiliation(s)
- L P Zhao
- Department of Anatomy, University of Hong Kong
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43
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Zhou MH, Zhao LP, Ren LS. Effect of a 30 kD protein from tectal extract of rat on cultured retinal neuron. Sci China B 1991; 34:908-15. [PMID: 1801844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
For the first time we have shown here that the constituent from tectal extract (Te) which can support and promote the survival and growth of the retinal ganglion cell is a 30 kD protein. (i) Using MTT colorimetric microassay to measure the optical density for the survival and growth of the cultured retinal neuron, it was found that the optical densities for the experimental cultures with either Te, or its 10-30 kD fraction, or its greater than or equal to 30 kD fraction were 2-4 times that of the control culture without Te (P less than 0.01). This indicated that experimental cultures were more active in growth. (ii) The retinal neurons cultured on Te Phast gels showed that large retinal neurons (greater than 18 microns) grew only on the gel region containing the 30 kD protein. The retrograde prelabelled with horseradish peroxidase (HRP) for retinal ganglion cells indicated that these surviving neurons grown on Te Phast gel were HRP positive, i.e. retinal ganglion cells. (iii) The retinal explants cultured with 30 kD gels at a close distance of 1 mm apart revealed that many neurite outgrowths, up to 400 microns, extended from the retinal explants towards 30 kD gels, and that many individual cells and tissue masses migrated out from the explants and grew onto 30 kD gels. They were stained anti-neuron specific enolase and anti-Thy 1.1 positive, indicating they are retinal ganglion cells. Therefore, we concluded that the 30 kD protein is the neuronotrophic factor in the tectal extract specific for retinal ganglion cells.
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Affiliation(s)
- M H Zhou
- Department of Anatomy, University of Hong Kong
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44
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Zhou MH, Galway AB. [Inhibitory effect of interleukin-1 beta on follicle stimulating hormone (FSH) induced estrogen production by cultured rat granulosa cells]. Sheng Li Xue Bao 1991; 43:67-72. [PMID: 1903893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Interleukin-1 beta (IL-1 beta), one of the polypeptide lymphokines released in response to antigen, toxins, injury or inflammation by nearly all cell types, has multiple systemic effects. In the present study the effect of IL-1 beta on follicle stimulating hormone (FSH)-induced estrogen production in primary culture was investigated. Granulosa cells obtained from immature estrogen-treated female rats were cultured for 3 days with increasing doses of FSH (1-30 ng/ml) with or without increasing doses of IL-1 beta (2-20 U/ml). The FSH stimulated estrogen production is dose-dependent, whereas IL-1 beta alone did not affect estrogen biosynthesis. In contrast, simultaneous treatment with IL-1 beta caused a dose-dependent inhibition of FSH action. This inhibitory effect of IL-1 beta was evident 48 h after the treatment. Furthermore, IL-1 beta inhibited forskolin (10(-5) mmol/L) and (Bu)2 cAMP (10(-2) mmol/L)-stimulated estrogen production, indicating a post-cyclic AMP site of action. The present study suggests that IL-1 beta is a potent modulator of granulosa cell steroidogenesis. Decreased estrogen formation may contribute to the follicle atresia and the impaired reproductive functions during injury and inflammation.
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Affiliation(s)
- M H Zhou
- Department of Pharmacology, Shanghai Medical University
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45
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Galway AB, Hsueh AJ, Daneshdoost L, Zhou MH, Pavlou SN, Snyder PJ. Gonadotroph adenomas in men produce biologically active follicle-stimulating hormone. J Clin Endocrinol Metab 1990; 71:907-12. [PMID: 2119391 DOI: 10.1210/jcem-71-4-907] [Citation(s) in RCA: 42] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Gonadotroph adenomas may exhibit qualitative and quantitative defects in gonadotropin biosynthesis and secretion. Hypersecretion of immunoreactive FSH dimers by these adenomas occurs frequently; however, it has not been known whether this FSH is biologically active. Using the granulosa cell aromatase bioassay and a highly specific immunoradiometric assay for FSH, we studied the serum bioactivity and bio- to immunoactivity (B/I) ratios of 14 men with FSH-secreting adenomas and compared these values to those of 11 age-matched normal men. In addition, three adenoma patients received TRH (400 micrograms, iv). The mean basal serum FSH level (international units per L), as measured by both bio- and immunoassays, and the FSH B/I ratios were significantly higher (P less than 0.02, by Kolmogorov-Smirnov test) in the adenoma patients than in normal men (mean +/- SEM; adenoma patients: bioactivity, 68.8 +/- 10.4; immunoreactivity, 34.8 +/- 13.7; B/I ratio, 3.4 +/- 0.6; normal men: bioactivity, 5.8 +/- 1.2; immunoreactivity, 6.4 +/- 0.8; B/I ratio, 0.90 +/- 0.1). Both bio- and immunoactive FSH rose after TRH injection, resulting in maintenance of the B/I (mean +/- SEM; pre-TRH: bio-FSH, 63.7 +/- 22.4; immuno-FSH, 28.0 +/- 14.1; B/I ratio, 2.8 +/- 1.2; post-TRH: bio-FSH, 125.6 +/- 42.7; immuno-FSH, 45.8 +/- 21.8; B/I ratio, 3.5 +/- 1.6). When gonadotroph adenoma cells from three separate patients were cultured and their conditioned media (n = 3) studied, relatively large amounts of both bio- and immuno-FSH were detected. Furthermore, the major isoelectric profile of bio-FSH (pH 4.9-3.0) in the conditioned medium from two such adenomas was shown by chromatofocusing to be comparable to that of purified human pituitary FSH (pH 5.2-3.6). We conclude that gonadotroph adenomas in men secrete FSH that is biologically active, both basally and in response to TRH.
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Affiliation(s)
- A B Galway
- Department of Reproductive Medicine M-025, University of California-San Diego, La Jolla 92093
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Zhou MH, Dong Q, Ts'ao C. Susceptibility of irradiated bovine aortic endothelial cells to injury. Am J Pathol 1988; 133:277-84. [PMID: 3189506 PMCID: PMC1880791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Using cultured bovine aortic endothelial cells (BAEC), the authors attempted to determine whether prior irradiation would alter the susceptibility of these cells to three known injurious stimuli and, if so, whether the alteration would be related to radiation dose. BAEC were irradiated with 0, 5, or 10 Gy of gamma rays and, on the third postirradiation day, exposed to fibrin, nicotine, or bacterial endotoxin (lipopolysaccharide, LPS). Release of prelabeled 51Cr, representing cell lysis, cell detachment, or a combination of the two, was determined. Significant differences between irradiated and control cells were determined by using paired Student's t-tests. Irradiation did not appear to have altered the sensitivity of BAEC to fibrin-induced injury. Cells irradiated with 10 Gy of gamma rays, but generally not those irradiated with half this dose, showed a heightened susceptibility to nicotine. Contrary to the nicotine results, irradiated cells showed less cell detachment and lysis after exposure to LPS. These results suggest that the susceptibility of irradiated BAEC to harmful stimuli depends largely on the nature of the stimulus as well as the radiation dose.
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Affiliation(s)
- M H Zhou
- Department of Pathology, Northwestern University School of Medicine, Chicago, Illinois 60611
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Dong Q, Zhou MH, Subbarao V, Ts'ao CH. Cellular and extracellular plasminogen activator and inhibitor in an experimental tumour. Br J Exp Pathol 1988; 69:685-95. [PMID: 3143395 PMCID: PMC2013274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
We determined plasminogen activator (PA) and PA inhibitor (PAI) activities in the intra- and extracellular compartments of an experimental pancreatic ascites tumour with indirect and direct functional assays, and partially characterized these activities on SDS-polyacrylamide gels coupled with fibrin and reverse fibrin autography. Intact tumour cells caused lysis of plasminogen-rich but not plasminogen-free fibrin clots, and the extent of lysis of the former was related to tumour cell count. Direct assay of PA with a synthetic substrate yielded an equivalent of 109 urokinase units per 10(9) tumour cells. No PAI activity was demonstrated in tumour cells with functional assays. Contrary to tumour cells, cell-free ascitic fluids caused no lysis of fibrin clots. Instead, it inhibited tumour cell- and urokinase-induced, but not plasmin-induced, clot lysis in a dose-dependent fashion. Although functional assays failed to demonstrate PA in ascitic fluid and PAI in tumour cells, both activities were detected in electrophoresed samples of cell lysates and fluids by fibrin and reverse fibrin autography. In tumour cells, a mixture of tissue-type PA (tPA) and urokinase-type PA (uPA) were present. In the fluid, uPA together with two other PAs with greater molecular weights than tPA were detected.
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Affiliation(s)
- Q Dong
- Department of Pathology, Northwestern University School of Medicine, Chicago, Illinois 60611
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48
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Zhou MH. [Study on histogenesis, histological types and prognosis of 100 cases of gastric carcinoma]. Zhonghua Bing Li Xue Za Zhi 1986; 15:210-3. [PMID: 3034440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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49
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Zhou MH, Gu JW, Chu YH. [Pharmacological study on the effect of testosterone propionate to terminate early pregnancy]. Yao Xue Xue Bao 1986; 21:647-50. [PMID: 3577784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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50
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Shi JM, Chen XX, Zhang WJ, Zhou MH, Yang JL, Yin YC. [Toxicity of medium chain triglycerides and its influence on serum cholesterol]. Zhongguo Yao Li Xue Bao 1986; 7:145-8. [PMID: 2946153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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