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Yang JX, Lang JH. [In heritance and innovation in the diagnosis and treatment of malignant ovarian germ cell tumors]. Zhonghua Fu Chan Ke Za Zhi 2024; 59:118-120. [PMID: 38389230 DOI: 10.3760/cma.j.cn112141-20230926-00118] [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: 02/24/2024]
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Liang H, Li SJ, Yang JX, Wu M, Cao DY, Wang JH, Wang T, Zhang XY. [Swyer syndrome with gonadal non-dysgerminoma malignant germ cell tumors: a report of 15 cases in a national medical center]. Zhonghua Fu Chan Ke Za Zhi 2024; 59:64-69. [PMID: 38228517 DOI: 10.3760/cma.j.cn112141-20230906-00088] [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: 01/18/2024]
Abstract
Objective: To evaluate the incidence, treatment, and survival outcomes of Swyer syndrome with gonadal non-dysgerminoma malignant germ cell tumor (MGCT-NDG). Methods: A retrospective study was performed on Swyer syndrome patients with MGCT-NDG between January 2011 and December 2022 in Peking Union Medical College Hospital to investigate their characteristics and outcomes. Results: A total of 15 patients (4.9%, 15/307) with Swyer syndrome were identified in 307 MGCT-NDG patients. The average age at diagnosis of MGCT-NDG and Swyer syndrome were (16.8±6.7) and (16.7±6.6) years, respectively. Six cases were preoperatively diagnosed as Swyer syndrome, of which 4 cases received bilateral gonadectomy with or without hysterectomy, while the other 2 cases underwent removal of gonadal tumor and unilateral gonadectomy with hysterectomy, respectively. Of the 9 patients postoperatively diagnosed as Swyer syndrome, unilateral gonadectomy, removal of gonadal tumor, and unilateral gonadectomy with hysterectomy were performed in 6 patients, 2 patients, and 1 patient, respectively. Mixed malignant germ cell tumor (MGCT;10 cases), yolk sac tumor (4 cases), and immature teratoma (1 case) were the pathological subtypes, in the descending order. There were International Federation of Gynecology and Obstetrics (FIGO) stage Ⅰ in 6 cases, stage Ⅱ in 3 cases, stage Ⅲ in 5 cases, and stage Ⅳ in 1 case, respectively. Eleven patients received reoperation for residual gonadectomy after a average delay of (7.9±6.2) months, including 8 MGCT-NDG patients and 1 gonadoblastoma patient, no tumor involved was seen in the remaining gonads in the other 2 cases. Ten patients experienced at least one recurrence, with a median event free survival of 9 months (5, 30 months), of which 2 patients received surgery only at the time of initial treatment. All patients with recurrence received surgery and combined with postoperative chemotherapy. After a median follow-up of 25 months (15, 42 months), 10 patients were disease-free, 3 patients died of the tumor, 1 died of side effects of leukemia chemotherapy, and 1 survived with disease. Conclusion: The incidence rate of Swyer syndrome in patients with MGCT-NDG is about 4.9%; timely diagnosis and bilateral gonadectomy should be emphasized to reduce the risk of reoperation and second carcinogenesis in this population.
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Affiliation(s)
- H Liang
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing 100730, ChinaLiang Huan is working on the Department of Gynecology, The Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, Enshi 445000, China
| | - S J Li
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing 100730, ChinaLiang Huan is working on the Department of Gynecology, The Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, Enshi 445000, China
| | - J X Yang
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing 100730, ChinaLiang Huan is working on the Department of Gynecology, The Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, Enshi 445000, China
| | - M Wu
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing 100730, ChinaLiang Huan is working on the Department of Gynecology, The Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, Enshi 445000, China
| | - D Y Cao
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing 100730, ChinaLiang Huan is working on the Department of Gynecology, The Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, Enshi 445000, China
| | - J H Wang
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing 100730, ChinaLiang Huan is working on the Department of Gynecology, The Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, Enshi 445000, China
| | - T Wang
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing 100730, ChinaLiang Huan is working on the Department of Gynecology, The Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, Enshi 445000, China
| | - X Y Zhang
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing 100730, ChinaLiang Huan is working on the Department of Gynecology, The Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, Enshi 445000, China
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Zhang XY, Yang J, Xiang Y, Wu M, Pan LY, Yang JX. [Prognostic comparison of active surveillance and adjuvant chemotherapy in the treatment of patients with stage Ⅰ ovarian immature teratoma after fertility-sparing surgery]. Zhonghua Fu Chan Ke Za Zhi 2023; 58:838-845. [PMID: 37981770 DOI: 10.3760/cma.j.cn112141-20230801-00031] [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: 11/21/2023]
Abstract
Objective: To compare the survival outcomes between surveillance and adjuvant chemotherapy in patients with stage Ⅰ ovarian immature teratoma (IMT) underwent fertility-sparing surgery. Methods: Clinical and pathological records of patients with stage Ⅰ ovarian IMT between Jan. 2011 to Feb. 2023 were collected from Peking Union Medical College Hospital, except stage Ⅰa grade 1. The consultation of risks and benefits regarding adjuvant chemotherapy was conducted by gynecologic oncologists. A shared decision about surveillance or chemotherapy was made by physician and patients or their guardians. Patients who finally decided to undergo surveillance were included in the surveillance group (n=40), the others were included in the adjuvant chemotherapy group (n=63). Clinical characteristics, treatment and survival outcomes were analyzed and compared between two groups. Results: A total of 103 patients were included. The median age of initial diagnosis was 20 years old (range: 3-39 years old), and the median follow-up time was 31 months (range: 1-254 months). The age, International Federation of Gynecology and Obstetrics (FIGO) stage, pathological grade, surgical method, and preoperative and postoperative alpha-fetoprotein levels in the surveillance group and the adjuvant chemotherapy group were similar (all P>0.05). The surgical approach and maximum tumor diameter between two groups were significantly different (all P<0.05). Forty patients of the surveillance group were identified, only one patient with stage Ⅰa grade 2 IMT who underwent cystectomy had malignant recurrence on the same ovary. Another 63 patients received adjuvant chemotherapy after surgery, five patients had malignant recurrence, and two of them died of disease progression after relapsed. There were no significant differences in disease-free survival (DFS;20 vs 36 months) and overall survival (OS; 23 vs 39 months) between the surveillance group and the adjuvant chemotherapy group (follow-up time censored at 72 months; DFS: P=0.325, OS: P=0.278). Conclusions: There are no differences in survival outcomes between patients with stage Ⅰ ovarian IMT underwent adjuvant chemotherapy or not. Active surveillance might be safe and preferable in stage Ⅰ IMT patients underwent complete resection of tumor.
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Affiliation(s)
- X Y Zhang
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing 100730, China
| | - J Yang
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing 100730, China
| | - Y Xiang
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing 100730, China
| | - M Wu
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing 100730, China
| | - L Y Pan
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing 100730, China
| | - J X Yang
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing 100730, China
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Yang JX, Liu CW, Wu FW, Zhu L, Liang GW. Molecular characterization and biofilm formation ability of Enterococcus faecium and Enterococcus faecalis bloodstream isolates from a Chinese tertiary hospital in Beijing. Int Microbiol 2023:10.1007/s10123-023-00441-2. [PMID: 37932582 DOI: 10.1007/s10123-023-00441-2] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 10/16/2023] [Accepted: 10/24/2023] [Indexed: 11/08/2023]
Abstract
To investigate the molecular characteristics and biofilm-forming ability of 116 Enterococcus faecium (Efm) and 72 Enterococcus faecalis (Efs) isolates obtained from patients with bloodstream infections (BSI) at a Chinese hospital between July 2011 and March 2018. The presence of glycopeptide resistance genes and five virulence genes (esp, gelE, asa1, hyl, and cylA) was screened using two multiplex PCR. MLST was used to assess the clonality. Crystal violet staining was used to detect biofilms. Vancomycin resistance was detected in 30.1% of Efm and 2.8% of Efs isolates, respectively. All VRE strains carried the vanA gene. The esp, gelE, asa1, and cylA genes in 72 Efs strains were detected at 62.5%, 84.7%, 84.7%, and 69.4%, respectively. Among the 116 Efm isolates, 74.1% and 25.8% carried esp and hyl, respectively. The esp gene was significantly associated with vancomycin-resistant Efm (VREfm) compared to vancomycin-susceptible Efm (VSEfm). In total, 91.7% of Efs and 20.0% of Efm produced biofilms. Twenty-six STs were identified among the 72 Efs isolates, with ST4 (29.2%) being the predominant. In total, 116 Efm strains were grouped into 26 STs, with ST78 (46.6%) being the predominant. Both VREfm (41.7%) and VSEfm (48.8%) were dominant in ST78. There is no clear evidence suggesting that some STs are associated with vancomycin resistance or biofilm formation. Both Efm and Efs BSI isolates showed a polyclonal pattern with a dominant clone and many unique types, implying the coexistence of clonal dissemination and an influx of new clones. The horizontal transmission of resistance genes may play a more important role in VREfm prevalence than clonal expansion.
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Affiliation(s)
- Jing-Xian Yang
- Department of Clinical Laboratory, Aerospace Center Hospital, Beijing, 100049, China
| | - Cun-Wei Liu
- Department of Clinical Laboratory, Aerospace Center Hospital, Beijing, 100049, China
| | - Fu-Wei Wu
- Department of Clinical Laboratory, Aerospace Center Hospital, Beijing, 100049, China
| | - Ling Zhu
- Department of Clinical Laboratory, Aerospace Center Hospital, Beijing, 100049, China
| | - Guo-Wei Liang
- Department of Clinical Laboratory, Aerospace Center Hospital, Beijing, 100049, China.
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Song XC, Zhang H, Zhong S, Tan XJ, Ma SQ, Jin Y, Pan LY, Wu M, Cao DY, Yang JX, Xiang Y. [Value of postoperative radiotherapy and analysis of prognostic factors in early-stage neuroendocrine carcinoma of cervix]. Zhonghua Fu Chan Ke Za Zhi 2023; 58:680-690. [PMID: 37724385 DOI: 10.3760/cma.j.cn112141-20230614-00263] [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: 09/20/2023]
Abstract
Objective: To evaluate the effect of postoperative radiotherapy and high-risk pathological factors on the prognosis of early-stage neuroendocrine carcinoma of cervix (NECC). Methods: A single-center retrospective cohort study of early-stage NECC in Peking Union Medical College Hospital from January 2011 to April 2022 were enrolled. The patients were treated with radical hysterectomy±adjuvant treatment. They were divided into postoperative non-radiation group and postoperative radiation group. The possible postoperative recurrence risk factors identified by univariate analysis were assessed using multivariate logistic regression. The Kaplan-Meier method was used to analyze the progression free survival (PFS), overall survival (OS), recurrence rate, and mortality rate. Results: (1) Sixty-two cases were included in the study, including 33 cases in postoperative non-radiation group and 29 cases in postoperative radiation group. (2) The median follow-up time was 37 months (ranged 12-116 months), with 23 cases (37%) experienced recurrences. There were 7 cases (11%) pelvic recurrences and 20 cases (32%) distant recurrences, in which including 4 cases (6%) both pelvic and distant recurrences. Compared with postoperative non-radiation group, the postoperative radiation group had a lower pelvic recurrence rate (18% vs 3%; P=0.074) but without statistic difference, a slightly elevated distant recurrence rate (24% vs 41%; P=0.150) and overall recurrence rate (33% vs 41%; P=0.513) without statistically significances. Univariate analysis showed that lymph-vascular space invasion and the depth of cervical stromal invasion≥1/2 were risk factors for postoperative recurrence (all P<0.05). Multivariate analysis showed lymph-vascular space invasion was an independent predictor for postoperative recurrence (OR=23.03, 95%CI: 3.55-149.39, P=0.001). (3) During the follow-up period, 18 cases (29%, 18/62) died with tumor, with 10 cases (30%, 10/33) in postoperative non-radiation group and 8 cases (28%, 8/29) in postoperative radiation group, without significant difference (P=0.814). The postoperative 3-year and 5-year survival rate was 79.2%, 60.8%. The depth of cervical stromal invasion≥1/2 was more common in postoperative radiation group (27% vs 64%; P=0.011), and postoperative radiation in such patients showed an extended trend in PFS (32.3 vs 53.9 months) and OS (39.4 vs 73.4 months) but without statistic differences (P=0.704, P=0.371). Compared with postoperative non-radiation group, the postoperative radiation did not improve PFS (54.5 vs 37.3 months; P=0.860) and OS (56.2 vs 62.4 months; P=0.550) in patients with lymph-vascular space invasion. Conclusions: Postoperative radiation in early-stage NECC patients has a trend to reduce pelvic recurrence but not appear to decrease distant recurrence and overall recurrence, and has not improved mortality. For patients with the depth of cervical stromal invasion≥1/2, postoperative radiation has a trend of prolonging OS and PFS but without statistic difference. Lymph-vascular space invasion is an independent predictor for postoperative recurrence, but postoperative radiation in such patients does not seem to have any survival benefits.
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Affiliation(s)
- X C Song
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing 100730, China
| | - H Zhang
- Department of Pathology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing 100730, China
| | - S Zhong
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing 100730, China
| | - X J Tan
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing 100730, China
| | - S Q Ma
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing 100730, China
| | - Y Jin
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing 100730, China
| | - L Y Pan
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing 100730, China
| | - M Wu
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing 100730, China
| | - D Y Cao
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing 100730, China
| | - J X Yang
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing 100730, China
| | - Y Xiang
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing 100730, China
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Yang JX, Ma N, Chen GY, Li X, Liu N, Tang RB, Jia CQ, Feng L. [Multifocal ectopic Purkinje-related premature contractions associated with SCN5A mutation: a case report]. Zhonghua Xin Xue Guan Bing Za Zhi 2022; 50:923-925. [PMID: 36096712 DOI: 10.3760/cma.j.cn112148-20220711-00539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Affiliation(s)
- J X Yang
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing 100029, China
| | - N Ma
- Department of Medical Ultrasonics, Beijing Anzhen Hospital, Capital Medical University, Beijing 100029, China
| | - G Y Chen
- Department of Cardiology, Suihua First Hospital, Suihua 152001, China
| | - X Li
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing 100029, China
| | - N Liu
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing 100029, China
| | - R B Tang
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing 100029, China
| | - C Q Jia
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing 100029, China
| | - L Feng
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing 100029, China
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Zhang Y, Li CB, Xu HS, Lin BH, Chen JC, Zhao YM, Yang JX, Zhang XF, Shi YS. Pterosin sesquiterpenes and lignans from Pteris laeta Wall. and their neuroprotective bioactivity. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.132890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Huo PC, Xu JL, He L, Meng BT, Yang JX, Zhu DSS, Jin D. [Influences of leukocytes in patients with type 2 diabetes and periodontitis to the effects of periodontal treatment on glycemic control]. Zhonghua Kou Qiang Yi Xue Za Zhi 2022; 57:716-723. [PMID: 35790511 DOI: 10.3760/cma.j.cn112144-20210728-00347] [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: 06/15/2023]
Abstract
Objective: To analyze the influences of leukocytes on improving blood glucose control in patients with type 2 diabetes mellitus (T2DM) and periodontitis after periodontal mechanical therapy. Methods: Thirty-five patients visiting Peking University Third Hospital from March 2011 to August 2012, as well as thirty-four patients visiting Peking University Hospital of Stomatology from March 2011 to August 2012 and December 2016 to December 2018 were selected in this research. These subjects were non-smokers, and with moderate to severe chronic periodontitis and T2DM. The full set of periodontal examinations including probing depth (PD), attachment loss (AL), bleeding index (BI) and plaque index (PLI) were conducted. Besides, counts of white blood cells (WBC), parameters of glucose and lipids metabolites such as fasting blood glucose (FBG), glycosylated hemoglobin (HbA1c), total cholesterol (TC), triglyceride (TG), high density lipoprotein (HDL) and low density lipoprotein (LDL) in serum were examined before treatment. Then, oral hygiene instruction, scaling and root planing (SRP) were carried out. Three months after SRP, the baseline examinations were repeated in all patients. According to the baseline leukocyte counts, the patients were divided into subgroups: low WBC group (WBC<6.19×109/L) and high WBC group (WBC≥6.19×109/L). Paired t-test for comparison of changes after treatment, analysis of co-variance for comparing the intervention effects between subgroups, and multifactor Iogistic regression analysis were performed. Results: Three months after SRP, all periodontal indexes were significantly improved in both groups. Leukocyte counts decreased significantly in high WBC group (7.64±1.51 vs. 6.89±1.53, P=0.008). In high WBC group, HbA1c (7.67±1.35 vs. 7.18±1.09, P=0.001) and LDL (3.28±0.76 vs. 2.67±0.85, P=0.042) decreased significantly, while there were no such differences in low WBC group. Influence of leukocyte level on HbA1c (OR=0.12, P=0.038) and LDL (OR=0.15, P=0.001) improvement was statistically significant. Hierarchical analysis showed such improvement notably perform in female [HbA1c (OR=0.30, P=0.021), LDL (OR=0.34, P=0.001)] and severe periodontitis group [HbA1c (OR=0.15, P=0.025), LDL (OR=0.24, P=0.017)]. Through interaction test, female and leukocyte counts at baseline had relative excess risk affecting the effect of periodontal intervention on HbA1c (P=0.036) and LDL (P=0.005). Conclusions: SRP could significantly improve the blood glucose and lipid control in patients who had T2DM and chronic periodontitis with relative higher leukocytes level. Female patients with severe periodontitis showed more obviously effects.
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Affiliation(s)
- P C Huo
- Department of Periodontology, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
| | - J L Xu
- Department of Stomatology, Peking University Third Hospital, Beijing 100191, China
| | - L He
- Department of Periodontology, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
| | - B T Meng
- Department of Periodontology, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
| | - J X Yang
- Department of Periodontology, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
| | - D S S Zhu
- Department of Periodontology, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
| | - Dongsiqi Jin
- Department of Periodontology, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
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Wang C, Chen JC, Xiao HH, Kong L, Zhao YM, Tian Y, Li H, Tian JM, Cui L, Wen CM, Shi YJ, Yang JX, Shang DJ. Jujuboside A promotes proliferation and neuronal differentiation of APPswe-overexpressing neural stem cells by activating Wnt/β-catenin signaling pathway. Neurosci Lett 2022; 772:136473. [PMID: 35077846 DOI: 10.1016/j.neulet.2022.136473] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 01/13/2022] [Accepted: 01/19/2022] [Indexed: 11/27/2022]
Abstract
Mobilization of hippocampal neurogenesis has been considered as a potential strategy for the treatment of neurodegenerative diseases, including Alzheimer's disease (AD). In present study, we evaluated both the neuroprotective effects and the effects on the proliferation and differentiation of APP-overexpressing neural stem cells (APP-NSCs) by Jujuboside A (JuA) in vitro. Our results demonstrated that JuA (50 μM) decreased apoptosis and suppressed oxidative stress damage of APP-NSCs. JuA (50 μM) upregulated the secretion of brain-derived neurotrophic factor and promoted the proliferation and neuronal differentiation of APP-NSCs. Moreover, JuA (50 μM) upregulated Wnt-3a and β-catenin protein expression, and enhanced the expression of downstream genes Ccnd1, Neurod1 and Prox1. However, XAV-939, an inhibitor of the Wnt/β-catenin signaling pathway, inhibited these positive effects of JuA. Taken together, these findings suggest that JuA promote proliferation and neuronal differentiation of APP-NSCs partly by activating the Wnt/β-catenin signaling pathway. We hope that this study will provide a viable strategy for the treatment of AD.
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Affiliation(s)
- Cui Wang
- School of Life Sciences, Liaoning Normal University, Dalian, China; Department of Neurology, Dalian Municipal Central Hospital affiliated with Dalian Medical University, Dalian, China
| | - Ji-Cong Chen
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China
| | - Hong-He Xiao
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China
| | - Liang Kong
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China
| | - Yu-Meng Zhao
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China
| | - Yu Tian
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China
| | - He Li
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China
| | - Jin-Ming Tian
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China
| | - Lin Cui
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China
| | - Cai-Ming Wen
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China
| | - Yi-Jun Shi
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China
| | - Jing-Xian Yang
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China.
| | - De-Jing Shang
- School of Life Sciences, Liaoning Normal University, Dalian, China.
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Su YJ, Yang JX, Hu YL, Liu YP, Xu HH, Hu SL, Yi HL. [A review of potential methods for screening obstructive sleep apnea during pregnancy]. Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2021; 56:1361-1365. [PMID: 34963229 DOI: 10.3760/cma.j.cn115330-20210530-00310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Affiliation(s)
- Y J Su
- School of Nursing, Shanghai Jiao Tong University School, Shanghai 200025, China Department of Nursing, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, China
| | - J X Yang
- Department of Nursing, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, China
| | - Y L Hu
- Department of Nursing, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, China Department of Otolaryngology Head and Neck Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, China
| | - Y P Liu
- Department of Otolaryngology Head and Neck Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, China Shanghai Key Laboratory of Sleep Disordered Breathing, Shanghai 200233, China
| | - H H Xu
- Department of Otolaryngology Head and Neck Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, China Shanghai Key Laboratory of Sleep Disordered Breathing, Shanghai 200233, China
| | - S L Hu
- Department of Nursing, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, China
| | - H L Yi
- Department of Otolaryngology Head and Neck Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, China Shanghai Key Laboratory of Sleep Disordered Breathing, Shanghai 200233, China
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11
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Wang XF, Xiao HH, Wu YT, Kong L, Chen JC, Yang JX, Hu XL. Active constituent of Polygala tenuifolia attenuates cognitive deficits by rescuing hippocampal neurogenesis in APP/PS1 transgenic mice. BMC Complement Med Ther 2021; 21:267. [PMID: 34696749 PMCID: PMC8543956 DOI: 10.1186/s12906-021-03437-5] [Citation(s) in RCA: 3] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Accepted: 10/06/2021] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND Alzheimer's disease (AD) is the most common dementia worldwide, and there is still no satisfactory drug or therapeutic strategy. Polygala tenuifolia is a traditional Chinese medicine with multiple neuroprotective effects. In present study, we investigated the effects of three active constituents [3,6'-disinapoyl sucrose (DISS), onjisaponin B (OB) and tenuifolin (TEN)] of Polygala tenuifolia (PT) on the proliferation and differentiation of neural stem cells (NSCs) to identify the potential active constituent of PT promoting hippocampal neurogenesis. METHODS NSCs were isolated from hippocampi of newborn C57BL/6 mice, and transfected with mutant amyloid precursor protein (APP) gene to establish an AD cell model (APP-NSCs). 3-(4,5- Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) and lactate dehydrogenase (LDH) assays were performed, and the proliferation and differentiation of NSCs were assessed by neurosphere formation assay, 5-bromo-2'-deoxyuridine (BrdU) incorporation assay and immunofluorescence (IF) staining analysis. APP/PS1 transgenic mice were administrated with the potential active constituent DISS for 4 weeks. Morris water maze (MWM), Nissl staining assay and IF staining assays were carried out to evaluate the cognitive function, neural damages and hippocampal neurogenesis, respectively. RESULTS DISS exerted the optimal ability to strengthen APP-NSCs proliferation and neuronal differentiation, followed by OB and TEN. Furthermore, DISS treatment for 4 weeks strikingly rescued the cognitive deficits, neuronal injures, and neurogenesis disorder in adult APP/PS1 transgenic mice. CONCLUSIONS Our findings demonstrated that DISS is the constituent of PT that triggers the most potent increase of hippocampal neurogenesis in our mouse model of AD.
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Affiliation(s)
- Xiao-Feng Wang
- Center for Neuromedicine of Dalian Municipal Central Hospital, 42 Xuegong Street, Shahekou District, Dalian, Liaoning Province, 116033, People's Republic of China
| | - Hong-He Xiao
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, 77 Life One Road, DD Port, Dalian, Liaoning Province, 116600, People's Republic of China
| | - Yu-Tong Wu
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, 77 Life One Road, DD Port, Dalian, Liaoning Province, 116600, People's Republic of China
| | - Liang Kong
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, 77 Life One Road, DD Port, Dalian, Liaoning Province, 116600, People's Republic of China
| | - Ji-Cong Chen
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, 77 Life One Road, DD Port, Dalian, Liaoning Province, 116600, People's Republic of China
| | - Jing-Xian Yang
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, 77 Life One Road, DD Port, Dalian, Liaoning Province, 116600, People's Republic of China.
| | - Xiao-le Hu
- Center for Neuromedicine of Dalian Municipal Central Hospital, 42 Xuegong Street, Shahekou District, Dalian, Liaoning Province, 116033, People's Republic of China.
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12
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Chen JY, Cao DY, Zhou HM, Yu M, Yang JX, Wang JH, Zhang Y, Cheng NH, Peng P. [GnRH-a combined fertility-sparing re-treatment in women with endometrial carcinoma or atypical endomertial hyperplasia who failed to oral progestin therapy]. Zhonghua Fu Chan Ke Za Zhi 2021; 56:569-575. [PMID: 34420288 DOI: 10.3760/cma.j.cn112141-20210603-00298] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To analyze the clinical efficacy and pregnancy outcomes of gonadotropin-releasing hormone agonist (GnRH-a) based fertility-sparing re-treatment in women with endometrial carcinoma (EC) and atypical endometrial hyperplasia (AEH) who failed with oral progestin therapy. Methods: Forty cases with EC or AEH who failed to respond to oral progestin were included from January 2012 to December 2020 at Peking Union Medical College Hospital. Combination of GnRH-a with levonorgestrel-releasing intrauterine system (group GLI: a subcutaneous injection of GnRH-a every 4 weeks and LNG-IUS insertion constantly) or the combination of GnRH-a with aromatase inhibitor (group GAI: a subcutaneous injection of GnRH-a every 4 weeks and oral letrozole 2.5 mg, daily) were used for these patients. Histological evaluation were performed at the end of each course (every 3-4 months) by hysteroscopy and curettage. After the complete remission (CR), all patients were followed up regularly. Results: (1) Clinical characteristics:among the 40 patients with EC or AEH, the median age at diagnosis was 31 years (range: 22-40 years) and the median body mass index was 24.7 kg/m2 (range: 18.9-39.5 kg/m2). (2) Efficacy of fertility-sparing re-treatment: 37 (92%, 37/40) patients achieved CR, 6 (6/7) in AEH and 31 (94%, 31/33) in EC patients. The CR rate was 93% (26/28) and 11/12 in group GLI and GAI, respectively. The median time to CR was 5 months (range: 3-12 months). At the end of the first therapy course, the CR rates in AEH and EC were 5/7 and 42% (14/33), at the second course, the CR rates were 6/7 and 82% (27/33), respectively. (3) Recurrence: after 25 months of median follow-up duration (range: 10-75 months), 8 (22%, 8/37) women developed recurrence, 1/6 in AEH and 7 (23%, 7/31) in EC patients, with the median recurrence time of 18 months (range: 9-26 months). Among them, two cases who had completed childbirth chose to receive hysterectomy directly. Six patients met the criteria of fertility-preserving therapy and received conservative treatment again and 5 (5/6) of them achieved CR. (4) Pregnancy: of the 37 patients with CR, 33 desired to conceive. Ten women attempted to get pregnancy spontaneously and 23 cases with assisted reproductive technology. Fourteen (42%, 14/33) patients became pregnant, including 9 (27%, 9/33) live births, 3 (9%, 3/33) missed abortions, and 2 (6%, 2/33) miscarriages at the second trimester. Conclusions: GnRH-a based fertility-sparing re-treatment in AEH or EC patients who failed with oral progestin therapy achieved good treatment effect and reproductive outcomes. It is an encouraging alternative regime for patients who failed with oral progestin therapy.
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Affiliation(s)
- J Y Chen
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing 100730, China
| | - D Y Cao
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing 100730, China
| | - H M Zhou
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing 100730, China
| | - M Yu
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing 100730, China
| | - J X Yang
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing 100730, China
| | - J H Wang
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing 100730, China
| | - Y Zhang
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing 100730, China
| | - N H Cheng
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing 100730, China
| | - P Peng
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, National Clinical Research Center for Obstetric and Gynecologic Diseases, Beijing 100730, China
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Xiao HH, Zhang MB, Xu JT, Deng Y, Li N, Gao P, Li Y, Kong L, Li WY, Chen JC, Li HY, Shan GS, Tai H, Yang JX. Icarisid II promotes proliferation and neuronal differentiation of neural stem cells via activating Wnt/β-catenin signaling pathway. Phytother Res 2021; 35:2773-2784. [PMID: 33455039 DOI: 10.1002/ptr.7022] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 12/31/2020] [Accepted: 12/31/2020] [Indexed: 01/03/2023]
Abstract
Adult neurogenesis plays a vital role in maintaining cognitive functions in mammals and human beings. Mobilization of hippocampal neurogenesis has been regarded as a promising therapeutic approach to restore injured neurons in neurodegenerative diseases including Alzheimer's disease (AD). Icarisid II (ICS II), an active ingredient derived from Epimedii Folium, has been reported to exhibit multiple neuroprotective effects. In the present study, we investigated the effects of ICS II on the proliferation and differentiation of neural stem cells (NSCs) and amyloid precusor protein (APP)-overexpressing NSCs (APP-NSCs) in vitro. Our results demonstrated that ICS II dose-dependently suppressed apoptosis and elevated viability of APP-NSCs. ICS II (1 μM) potently promoted proliferation and neuronal differentiation of NSCs and APP-NSCs. ICS II (1 μM) significantly upregulated Wnt-3a expression, increased the phosphorylation of glycogen synthase kinase-3β and enhanced the nuclear transfer of β-catenin. Moreover, ICS II also promoted astrocytes to secrete Wnt-3a, which positively modulates Wnt/β-catenin signaling pathway. These findings demonstrate that ICS II promotes NSCs proliferation and neuronal differentiation partly by activating the Wnt/β-catenin signaling pathway.
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Affiliation(s)
- Hong-He Xiao
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China
| | - Ming-Bo Zhang
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China
| | - Jun-Ting Xu
- Psychiatry department, Dalian Seventh People' s Hospital, Dalian, China
| | - Yan Deng
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China
| | - Ning Li
- Key Laboratory of Ministry of Education for Traditional Chinese Medicine Visera-State Theory and Application, Liaoning University of Traditional Chinese Medicine, Shenyang, China
| | - Peng Gao
- Department of Anesthesiology, First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Yan Li
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China
| | - Liang Kong
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China
| | - Wan-Yi Li
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China
| | - Ji-Cong Chen
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China
| | - Hong-Yan Li
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China
| | - Guo-Shun Shan
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China
| | - He Tai
- Key Laboratory of Ministry of Education for Traditional Chinese Medicine Visera-State Theory and Application, Liaoning University of Traditional Chinese Medicine, Shenyang, China
| | - Jing-Xian Yang
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China
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Ma NH, Zhang MH, Yang JX, Sun ZJ, Yuan F, Qiu XL. Long noncoding RNA HOTAIR sponging miR-211 regulates cerebral ischemia-reperfusion injury. J BIOL REG HOMEOS AG 2020; 34:2209-2214. [PMID: 33150781 DOI: 10.23812/20-287-l] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- N H Ma
- Department of Neurology, the Fourth People's Hospital of Zibo, Zibo, Shandong, China
| | - M H Zhang
- Department of Cardiology, the Fourth People's Hospital of Zibo, Zibo, Shandong, China
| | - J X Yang
- Comprehensive treatment department of the Fourth People's Hospital of Zibo, Zibo, Shandong, China
| | - Z J Sun
- Department of critical medicine, the Fourth People's Hospital of Zibo, Zibo, Shandong, China
| | - F Yuan
- Department of Neurology, the Fourth People's Hospital of Zibo, Zibo, Shandong, China
| | - X L Qiu
- Department of Neurology, Zibo Central Hospital, Zibo, Shandong, China
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15
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Qu YL, Cai JY, Chen X, Zheng L, Huang L, Yang JX, Ye X, Wang Q, Si GA, Cao ZJ. [Association of cadmium pollution with liver function of population in mineral polluted areas of Guangxi]. Zhonghua Yu Fang Yi Xue Za Zhi 2020; 54:839-843. [PMID: 32842312 DOI: 10.3760/cma.j.cn112150-20190801-00618] [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 investigate the association of cadmium exposure with liver function among adults in a non-ferrous metal mining area in Guangxi. Methods: A total of 310 residents aged 18 and above were recruited from 5 heavy metals polluted villages in a non-ferrous metal mining area in Guangxi from 2013 to 2014. The general demographic characteristics, blood cadmium levels and indicators of liver function index [Total bilirubin (TBIL), Glutamic oxaloacetic transaminase (AST), Alanine transaminase (ALT) and Glutamine transaminase (GGT)] were obtained by using questionnaire, physical examination and laboratory test. The blood cadmium levels were divided into quartiles as Q1-Q4 groups (using Q1 group as the reference).Multivariate logistic regression model was used to analyze the correlation between the blood cadmium level and functional liver index. Results: The age of subjects was (49.2±15.4) years, and 112 (36.1%) subjects were male residents. The prevalence of abnormal rates of TBIL,AST,ALT and GGT were 17.4% (54), 19.7% (61), 10.7% (33) and 11.9% (37), respectively. The geometric mean value of cadmium levels in adults was 3.72(95%CI: 3.43-4.02) μg/L. After adjusting for age, gender, body mass index (BMI), smoking, drinking, total cholesterol, hypertriglyceridemia and other factors, the risk of abnormal AST index in the highest concentration of blood cadmium group (Q4) was higher than that in the lowest concentration of blood cadmium group (Q1) (OR=2.92, 95%CI:1.07-7.98). Conclusion: The level of blood cadmium exposure is higher than the reference value of general population in China, and the elevated cadmium exposure is related to the increasing risk of AST abnormality.
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Affiliation(s)
- Y L Qu
- National Institute of Environmental Health, Chinese Center For Disease Control And Prevention, Beijing 100050,China
| | - J Y Cai
- National Institute of Environmental Health, Chinese Center For Disease Control And Prevention, Beijing 100050,China
| | - X Chen
- National Institute of Environmental Health, Chinese Center For Disease Control And Prevention, Beijing 100050,China
| | - L Zheng
- National Institute of Environmental Health, Chinese Center For Disease Control And Prevention, Beijing 100050,China
| | - L Huang
- Guangxi Center for Disease Prevention and Control, Nanning 530028, China
| | - J X Yang
- Jinchengjiang District Center for Disease Prevention and Control of Hechi City of Guangxi Province, Hechi 547000, China
| | - X Ye
- National Institute of Environmental Health, Chinese Center For Disease Control And Prevention, Beijing 100050,China
| | - Q Wang
- National Institute of Environmental Health, Chinese Center For Disease Control And Prevention, Beijing 100050,China
| | - G A Si
- Jinchengjiang District Center for Disease Prevention and Control of Hechi City of Guangxi Province, Hechi 547000, China
| | - Z J Cao
- National Institute of Environmental Health, Chinese Center For Disease Control And Prevention, Beijing 100050,China
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Ni YN, Kong L, Li XT, Xiao HH, Wu YT, Liang XC, Lin Y, Li WY, Deng Y, Li Y, Shi Y, Cheng L, Li HY, Ju RJ, Yang JX. Multifunctional osthole liposomes and brain targeting functionality with potential applications in a mouse model of Alzheimer's disease. J Liposome Res 2020; 31:267-278. [PMID: 32757676 DOI: 10.1080/08982104.2020.1806872] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Osthole (Ost) is a coumarin compound and a potential drug for Alzheimer's disease (AD). However, the effectiveness of Ost is limited by solubility, bioavailability, and low permeability of the blood-brain barrier. In this study, we constructed Ost liposomes with modified CXCR4 on the surface (CXCR4-Ost-Lips), and investigated the intracellular distribution of liposomes in APP-SH-SY5Y cells. In addition, the neuroprotective effect of CXCR4-Ost-Lips was examined in vitro and in vivo. The results showed that CXCR4-Ost-Lips increased intracellular uptake by APP-SH-SY5Y cells and exerted a cytoprotective effect in vitro. The results of Ost brain distribution showed that CXCR4-Ost-Lips prolonged the cycle time of mice and increased the accumulation of Ost in the brain. In addition, CXCR4-Ost-Lips enhanced the effect of Ost in relieving AD-related pathologies. These results indicate that CXCR4-modified liposomes are a potential Ost carrier to treat AD.
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Affiliation(s)
- Ying-Nan Ni
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China
| | - Liang Kong
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China
| | - Xue-Tao Li
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China
| | - Hong-He Xiao
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China
| | - Yu-Tong Wu
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China
| | - Xi-Cai Liang
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China
| | - Ying Lin
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China
| | - Wan-Yi Li
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China
| | - Yan Deng
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China
| | - Yan Li
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China
| | - Yue Shi
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China
| | - Lan Cheng
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China
| | - Hong-Yan Li
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China
| | - Rui-Jun Ju
- Department of Pharmaceutical Engineering, Beijing Institute of Petrochemical Technology, Beijing, China
| | - Jing-Xian Yang
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China
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Wang F, Yang JX, Chen ZN. [Effects of miR-141-3p on proliferation, migration and NF-κB signaling pathways in gastric cancer cells]. Zhonghua Zhong Liu Za Zhi 2020; 42:556-559. [PMID: 32842442 DOI: 10.3760/cma.j.cn112152-20190625-00395] [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 investigate the effects of miR-141-3p on proliferation and migration of gastric cancer cells and nuclear factor-κB (NF-κB) signaling pathway. Methods: Human gastric cancer cell line BGC-823 was cultured, and miR-141-3p mimetic (miR-141-3p mimics) was transfected into BGC-823 cells by lipofection. The miR-141-3p overexpressed BGC was constructed. Real-time fluorescence quantitative polymerase chain reaction (qRT-PCR) was used to detect the transfection effect. The proliferation of BGC-823 cells was determined by 3-(4, 5-Dimethylthiazol-2-yl)-2, 5-diphenyltetrazolium bromide (MTT) assay. Transwell assay was used to detect the effect of miR-141-3p on BGC-823 cell migration. The expressions of NF-κB p65, p-IKK-α and p-IKB-α protein in NF-κB signaling pathway were detected by western blot. Results: Compared with the control group and the negative control group, the expression level of miR-141-3p in BGC-823 cells of the miR-141-3p group was (2.39±0.27), which was higher than (1.00±0.09) of the control group and (1.01±0.10) of the negative control group (P<0.05). The number of migrating cells in the miR-141-3p group was (47.64±5.65), which was lower than (106.22±12.14) in the control group and (110.40±12.26) in the negative control group (P<0.05). The expression levels of NF-κB p65, p-IKK-α and p-IKB-α protein in BGC-823 cells were down-regulated (P<0.05). Conclusion: MiR-141-3p can inhibit the proliferation and migration of human gastric cancer BGC-823 cells, which may be related to the inhibition of NF-κB signaling pathway activation.
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Affiliation(s)
- F Wang
- The Second Department of General Surgery, Xinxiang Central Hospital, Xinxiang 453000, China
| | - J X Yang
- Department of Thyroid and Breast Vascular Surgery, The First Affiliated Hospital of Air Force Military Medical University, Xi'an 710000, China
| | - Z N Chen
- The Second Department of General Surgery, Xinxiang Central Hospital, Xinxiang 453000, China
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Yang JX, Li DS, Li G, Pun EYB, Lin H. Photon quantification in Ho 3+/Yb 3+ co-doped opto-thermal sensitive fluotellurite glass phosphor. Appl Opt 2020; 59:5752-5763. [PMID: 32609701 DOI: 10.1364/ao.396393] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Accepted: 05/25/2020] [Indexed: 06/11/2023]
Abstract
Multi-photon-excited thermal-correlated green and red upconversion (UC) emissions have been quantified in Ho3+/Yb3+ co-doped fluotellurite (BZLFT) glass phosphor under the 978 nm laser excitation. The temperature dependence of the fluorescence intensity ratio (FIR) originated from UC emissions bands centered at 550 nm and 661 nm has been verified in the range of 303-543 K. The net emission photon numbers of 5F4+5S2→5I8 and 5F5→5I8 transition emissions are up to 40.08×1012 and 68.51×1012cps in the 0.4wt.%Ho2O3-0.4wt.%Yb2O3 co-doped BZLFT case under the 6.95W/mm2 laser power density. Furthermore, the quantum yield (QY) and luminous flux are determined to be dependent on pumping power. When the excitation power increases 874 mW, the QY values for 550 nm and 661 nm emissions are as high as 0.94×10-5 and 1.60×10-5. In addition, the high photon producing efficiency is conducive to ensuring high feedback to thermosensitive performance. The temperature thermal sensor can be manipulated steadily in medium temperature range, and the relative sensitivity reaches 0.4%K-1 at 303 K, which is 1 order of magnitude larger than those in several rare-earth-doped materials. Efficient photon conversion ability and high temperature sensitivity indicate that the rare-earth-ion-doped fluotellurite material has a prospective application in the construction of optical temperature sensors based on the FIR technique allowing for self-referenced temperature determination.
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Yang JX, Maria TC, Zhou B, Xiao FL, Wang M, Mao YJ, Li Y. Quercetin improves immune function in Arbor Acre broilers through activation of NF-κB signaling pathway. Poult Sci 2020; 99:2305. [PMID: 32241517 PMCID: PMC7587658 DOI: 10.1016/j.psj.2020.03.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Jiang F, Ren T, Cheng NH, Cao DY, Yang JX, Wu M, Shen K, Xiang Y. [Clinicopathological features and prognosis of patients in endometrial cancer with bone metastases]. Zhonghua Fu Chan Ke Za Zhi 2019; 54:452-457. [PMID: 31365957 DOI: 10.3760/cma.j.issn.0529-567x.2019.07.004] [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 analyze the clinicopathological features and prognosis of patients in endometrial cancer with bone metastases. Methods: A retrospective review of medical records was performed to analyze patients with endometrial cancer who developed bone metastases at Peking Union Medical College Hospital (PUMCH) from January 2004 to December 2017, including patients with bone metastases at the diagnosis of endometrial cancer and at recurrence of endometrial cancer. The patient's clinicopathological features, bone metastasis characteristics, treatment process and prognoses were also analyzed. Results: The incidence of bone metastasis of endometrial cancer in PUMCH from 2004 to 2017 was 0.57% (14/2 458). (1) General clinical pathological features: the median age of the 7 patients with bone metastases diagnosed at the time of initial diagnosis was 50 years old, and the main pathological type was endometrioid carcinoma (n=5). The median age of the other 7 patients was 57 years old, with no significant difference comparing to the former groups (P=0.559). (2) The majority site of bone metastasis in endometrial cancer were discovered in pelvic bones, followed by the tibia. (3) Treatment: according to the staging of endometrial cancer, a comprehensive treatment based on surgery was performed, and one patient with isolated bone metastases underwent resection of bone metastasis. (4) Prognosis: nine out of the 14 patients died during the follow-up period. The median over all survival time was 25.5 months (range: 7.7-258.0 months). The median survival of population after diagnosis of bone metastases was 15.0 months (range: 3.0-51.0 months). The survival rate of endometrial cancer at 1-year after diagnosis of bone metastasis was 71.4%. The 2-year survival rate was 40.8%. (5) No independent prognostic factors affecting survival was found (P>0.05). Conclusions: The incidence of bone metastasis in endometrial cancer is less than 1%. Bone metastasis could occur at the diagnosis of endometrial cancer or recurrence of endometrial cancer. Bone metastasis suggests a poor prognosis. There is no standard follow-up and treatment protocols so that individualized treatment is needed.
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Affiliation(s)
- F Jiang
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, China
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Abstract
Glioma is the most common and serious form of primary tumor in adult central nervous system. HOXA11-AS is a LncRNA located in the HOXA gene cluster. In the present study, we investigated the expression and function of LncRNA HOXA11-AS in glioma tissues and cells. We found that LncRNA HOXA11-AS expression was markedly elevated in glioma tissues compared to normal brain tissues. The LncRNA HOXA11-AS expression in cases of high-grade glioma was significantly higher than that in cases of low-grade. Patients with high LncRNA HOXA11-AS expression had shorter OS time than those with low LncRNA HOXA11-AS expression. Moreover, silencing LncRNA HOXA11-AS inhibited cell proliferation, increased apoptosis, and inhibited invasion and migration of glioma cells. Overexpression of LncRNA HOXA11- AS increased cell proliferation, decreased apoptosis, and increased invasion and migration of glioma cells. miR-124-3p has relevant binding sites in HOXA11-AS. Silencing HOXA11-AS significantly increased miR-124-3p expression. The miR-124-3p overexpression decreased the luciferase activity of the pMIR luciferase reporter containing HOXA11-AS-WT but not HOXA11-AS-MUT. Moreover, miR-124-3p was pulled down by HOXA11-AS probe. miR-124-3p mimics inhibited cell proliferation, increased apoptosis, and inhibited invasion and migration of glioma cells. miR-124-3p mimics significantly suppressed overexpression of HOXA11-AS-induced increase of proliferation, decrease of apoptosis and increase of invasion and migration. miR-124-3p inhibitors suppressed the effect of siHOXA11-AS on proliferation, apoptosis, invasion and migration. In summary, the findings highlight the importance of LncRNA HOXA11-AS/miR-124-3p axis in the regulation of glioma progression. LncRNA HOXA11-AS/miR-124-3p might serve as a potential therapeutic target in glioma treatment in the future.
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Affiliation(s)
- J X Yang
- Department of Neurosurgery, Tangdu Hospital, Fourth Military Medical University, Xi'an, China
| | - B Liu
- Department of Neurosurgery, Tangdu Hospital, Fourth Military Medical University, Xi'an, China
| | - B Y Yang
- Department of Neurosurgery, 999 Brain Hospital of Guang Dong, Guangzhou, China
| | - Q Meng
- Department of Neurosurgery, Tangdu Hospital, Fourth Military Medical University, Xi'an, China
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Chen XJ, Yang JX, Wang HY, Yu Q, Luo XZ, Xue HD, Cao DY, Yu M, Zhu Q, Zhang HW, Yu M, Ma FH, Sun L, Liu J, Shan BE, Zhou XR, Shen K. [Consensus on fertility preservation treatment for early stage endometrial cancer and atypical hyperplasia]. Zhonghua Fu Chan Ke Za Zhi 2019; 54:80-86. [PMID: 30803165 DOI: 10.3760/cma.j.issn.0529-567x.2019.02.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
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Yang JX, Chen BJ, Pun EYB, Lin H. Praseodymium ion doped K +-Na + thermal ion-exchangeable waveguide-adaptive aluminum germanate glasses. Appl Opt 2018; 57:9022-9031. [PMID: 30461890 DOI: 10.1364/ao.57.009022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Accepted: 09/25/2018] [Indexed: 06/09/2023]
Abstract
Intense multi-peak red fluorescence and effective near-infrared (NIR) ultra-broadband emission have been observed in Pr3+ doped ion-exchangeable aluminum germanate (NMAG) glasses. The maximum emission cross section for P03→F23 red emission is up to 100.58×10-21 cm2, and the NIR emission corresponding to D21→G41 transition possesses a full-width at half-maximum (FWHM) of 210 nm. Although the obvious cross-relaxation (CR) process at high concentration causes a decrease of the quantum efficiency, the CR broadens the spectral FWHM effectively from another perspective. The admirable red fluorescence trace and the NIR single-mode transmission confirm that Pr3+ doped NMAG glass planar waveguides can support the generation of visible fluorescence and the amplification of infrared signal. For a waveguide channel ion-exchanged in molten KNO3 for 2 h, the single-mode field diameters at 1.55 μm are identified to be 10.4 μm in the horizontal direction and 6.5 μm in the vertical direction, implying an acceptable overlap with a standard single-mode fiber. Effective red fluorescence and broad NIR emission demonstrate that Pr3+ doped NMAG glasses are a promising substrate in developing irradiative luminescence sources and ultra-broadband waveguide amplifiers, especially operating at the entire S-, C-, and L- bands.
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Yang JX, Sun Y, Gao L, Meng Q, Yang BY. Long non-coding RNA DANCR facilitates glioma malignancy by sponging miR-33a-5p. Neoplasma 2018; 65:790-798. [PMID: 29940760 DOI: 10.4149/neo_2018_170724n498] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Accepted: 11/03/2017] [Indexed: 11/08/2022]
Abstract
Glioma is among the most fatal brain tumors characterized by a highly malignancy and rapid progression and early metastasis. Dysregulation of long non-coding RNA differentiation antagonizing non-protein coding RNA (LncRNA DANCR) is associated with the development, progression and metastasis of various cancers. In the present study, we investigated functional role of LncRNA DANCR in the malignancy of glioma. The results showed that LncRNA DANCR was increased in glioma tissues and cells compared with normal brain tissues and cells. DANCR expression was positively correlated with the malignancy and poor prognosis of glioma patients. DANCR contained a binding site of miR-33a-5p. miR-33a-5p was decreased in glioma tissues and cells compared with normal brain tissues and cells. Downregulation of miR-33a-5p was positively correlated with the malignancy and poor prognosis of glioma patients. In glioma tissues, the expression of DANCR was negatively correlated with the expression of miR-33a-5p. Downregulation of DANCR increased miR-33a-5p expression. miR-33a-5p mimic reduced the luciferase of DANCR-WT but not DANCR-MUT. DANCR pull-down showed the expression of miR-33a-5p. miR-33a-5p mimic enhanced knockdown of DANCR -induced inhibition of cell proliferation, migration, and EMT, and increase of apoptosis. Anti-miR-33a-5p reversed the effects of si- DANCR on cell malignancy. Knockdown of DANCR remarkably reduced the increase of tumor volumes in xenograft mouse models. In tumor tissues, knockdown of DANCR increased the expression of miR-33a-5p, reduced EMT and increased apoptosis. Our study provides novel insights in the functions of LncRNA DANCR-miR-33a-5p axis in tumorigenesis of glioma.
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Affiliation(s)
- J X Yang
- Department of Neurosurgery, The Second People Hospital of Xin Xiang, Xin Xiang, China
| | - Y Sun
- Department of Neurosurgery, Tangdu Hospital, Fourth Military Medical University, Xi'an, China
| | - L Gao
- Department of Neurosurgery, Tangdu Hospital, Fourth Military Medical University, Xi'an, China
| | - Q Meng
- Department of Neurosurgery, Tangdu Hospital, Fourth Military Medical University, Xi'an, China
| | - B Y Yang
- Department of Neurosurgery, 999 Brain Hospital of Guang Dong, Guang Zhou, China
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Yang JX, Wu SD, Kong J, Han JY. [A preliminary study on the application of two-point traction with guidewire method in percutaneous transhepatic sinus tract dilation]. Zhonghua Yi Xue Za Zhi 2018; 98:926-929. [PMID: 29665667 DOI: 10.3760/cma.j.issn.0376-2491.2018.12.010] [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 explore the feasibility and effectiveness of the two-point traction with guidewire method to improve the safety of percutaneous transhepatic sinus tract dilation. Methods: The clinical data of 18 patients underwent the two-point traction guided by percutaneous transhepatic sinus dilation between January 2013 and July 2017 in Shengjing Hospital of China Medical University were analyzed retrospectively. The operation time, volume of intraoperative blood loss and postoperative complications were recorded. Results: All of the 18 patients were treated successfully. The mean size of the percutaneous transhepatic sinus tract was (18.6±2.3) Fr. The operation time was 15-45 min, with an average of 30 minutes, and the average intraoperative blood loss was about 11.7 ml. The incidence of postoperative complications was 22.2% (4/18), including cholangitis in 3 patients, pancreatitis in 1 case. All the complications were relieved after symptomatic treatment, no severe complications (biliary tract perforation or severe haemorrhage) occurred. A total of (3.3 ± 2.6) times cholangioscopic explorations for stone extraction were performed, with a overall clearance rate of 64.7% (11/17). Conclusions: From the results of limited patient data in this group, the two-point traction with guidewire can provide the exact guidance for percutaneous transhepatic sinus tract dilation, which is effective and easily conducted, but still need further clinical study to confirm.
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Affiliation(s)
- J X Yang
- Second Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang 110004, China
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Yang BY, Meng Q, Sun Y, Gao L, Yang JX. Long non-coding RNA SNHG16 contributes to glioma malignancy by competitively binding miR-20a-5p with E2F1. J BIOL REG HOMEOS AG 2018; 32:251-261. [PMID: 29685003] [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: 06/08/2023]
Abstract
Glioma is among the most fatal and highly aggressive primary malignant tumors in the central nervous system. Small nucleolar RNA host gene 16 (SNHG16) is identified to play an oncogenic role in several cancers. However, the exact mechanism of SNHG16 action in the regulation of glioma development remains unknown. LncRNA SNHG16 was increased in glioma tissues and cells compared with normal brain tissues and cells. SNHG16 expression was correlated with the malignancy and poor prognosis of glioma patients. SNHG16 and E2F1 contained a binding site of miR-20a-5p. miR-20a-5p was decreased in glioma tissues and cells compared with normal brain tissues and cells. Downregulation of miR-20a-5p was correlated with the malignancy and poor prognosis of glioma patients. In glioma tissues, the expression of SNHG16 was negatively correlated with miR-20a-5p. Downregulation of SNHG16 increased miR-20a-5p expression. miR-20a-5p mimic reduced the luciferase activity of SNHG16 and E2F1; miR-20a-5p mimic enhanced the inhibition of cell proliferation, invasion, migration, and EMT, and increase of apoptosis induced by SNHG16 knockdown. Anti-miR-20a-5p reversed the effects of shSNHG16. We also found that SNHG16 may act as a ceRNA for miR-20a-5p, enhancing the expression of E2F1. Additionally, knockdown of SNHG16 remarkably reduced the increase of tumor volumes in xenograft mouse models. In tumor tissues, knockdown of SNHG16 increased the expression of miR-20a-5p, reduced EMT and increased apoptosis. In conclusion, SNHG16 promotes glioma tumorigenesis by sponging miR-20a-5p, leading to the enhancement of its endogenous targets E2F1. The data provides a new clue for the role of SNHG16/miR-20a-5p/E2F1 in the development of glioma.
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Affiliation(s)
- B Y Yang
- Department of Neurosurgery, 999 Brain Hospital of Guang Dong, Guang Zhou, China
| | - Q Meng
- Department of Neurosurgery, Tangdu Hospital, Fourth Military Medical University, Xian, China
| | - Y Sun
- Department of Neurosurgery, Tangdu Hospital, Fourth Military Medical University, Xian, China
| | - L Gao
- Department of Neurosurgery, Tangdu Hospital, Fourth Military Medical University, Xian, China
| | - J X Yang
- Department of Neurosurgery, The Second People Hospital of Xin Xiang, Xin Xiang, China
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Heng Li S, Wang LT, Deng X, NanJiao Y, Kong L, Fu M, Jia LQ, Yang JX, Ren L. Electroacupuncture Rescued the Impairment of Hippocampal Neurons in Perimenopausal Depression Rats via Activating the CREB/BDNF Pathway. INT J PHARMACOL 2018. [DOI: 10.3923/ijp.2018.164.178] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Liu B, Yang JX, Yan L, Zhuang H, Li T. Novel HBV recombinants between genotypes B and C in 3'-terminal reverse transcriptase (RT) sequences are associated with enhanced viral DNA load, higher RT point mutation rates and place of birth among Chinese patients. Infect Genet Evol 2017; 57:26-35. [PMID: 29111272 DOI: 10.1016/j.meegid.2017.10.023] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2017] [Revised: 10/25/2017] [Accepted: 10/26/2017] [Indexed: 12/13/2022]
Abstract
As one of the major global public health concerns, hepatitis B virus (HBV) can be divided into at least eight genotypes, which may be related to disease severity and treatment response. We previously demonstrated that genotypes B and C HBV, with distinct geographical distribution in China, had divergent genotype-dependent amino acid polymorphisms and variations in reverse transcriptase (RT) gene region, a target of antiviral therapy using nucleos(t)ide analogues. Recently recombination between HBV genotypes B and C was reported to occur in the RT region. However, their frequency and clinical significance is poorly understood. Here full-length HBV RT sequences from 201 Chinese chronic hepatitis B (CHB) patients were amplified and sequenced, among which 31.34% (63/201) were genotype B whereas 68.66% (138/201) genotype C. Although no intergenotypic recombination was detected among C-genotype HBV, 38.10% (24/63) of B-genotype HBV had recombination with genotype C in the 3'-terminal RT sequences. The patients with B/C intergenotypic recombinants had significantly (P<0.05) higher serum HBV DNA level than the "pure" B-genotype cohort did. Moreover, the B/C intergenotypic recombinants were prone to more substitutions at several specific residues in the RT region than genotype B or C. Besides, unlike their parental genotypes, the recombinant HBV appeared to display an altered geographic distribution feature in China. Our findings provide novel insight into the virological, clinical and epidemiological features of new HBV B/C intergenotypic recombinants at the 3' end of RT sequences among Chinese CHB patients. The highly complex genetic background of the novel recombinant HBV carrying new mutations affecting RT protein may contribute to an enhanced heterogeneity in treatment response or prognosis among CHB patients.
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Affiliation(s)
- Baoming Liu
- Department of Microbiology and Center of Infectious Diseases, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China; Department of Microbiology, Immunology and Biochemistry, University of Tennessee Health Science Center, Memphis, TN, USA.
| | - Jing-Xian Yang
- Department of Microbiology and Center of Infectious Diseases, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China
| | - Ling Yan
- Department of Microbiology and Center of Infectious Diseases, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China
| | - Hui Zhuang
- Department of Microbiology and Center of Infectious Diseases, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China
| | - Tong Li
- Department of Microbiology and Center of Infectious Diseases, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China.
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Yang JX, Chaudhry MT, Yao JY, Wang SN, Zhou B, Wang M, Han CY, You Y, Li Y. Effects of phyto-oestrogen quercetin on productive performance, hormones, reproductive organs and apoptotic genes in laying hens. J Anim Physiol Anim Nutr (Berl) 2017; 102:505-513. [PMID: 28986927 DOI: 10.1111/jpn.12778] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [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: 11/11/2016] [Accepted: 06/06/2017] [Indexed: 12/26/2022]
Abstract
Quercetin, a polyphenolic flavonoid with diverse biological activities including anti-inflammatory and antiviral, inhibits lipid peroxidation, prevents oxidative injury and cell death. The purpose of the research was to investigate the effect of quercetin on productive performance, reproductive organs, hormones and apoptotic genes in laying hens between 37 and 45 weeks of age, because of the structure and oestrogenic activities similar to 17β-oestradiol. The trial was conducted using 240 Hessian laying hens (37 weeks old), housed in wire cages with two hens in each cage. These hens were randomly allotted to four treatments with six replicates, 10 hens in each replicate and fed with diets containing quercetin as 0, 0.2, 0.4 and 0.6 g/kg feed for 8 weeks. The results showed that dietary quercetin significantly increased (p < .05) the laying rate and was higher in group supplemented with 0.4 g/kg, and feed-egg ratio was decreased (p < .05) by quercetin. Dietary quercetin has no effect (p > .05) on average egg weight and average daily feed intake. Compared with control, secretion of hormones, oestradiol (E2 ), progesterone (P4), follicle-stimulating hormone (FSH), luteinizing hormone (LH), insulin-like growth factors-1 (IGF-1) and growth hormone (GH), was found to be significantly higher (p < .05) in quercetin-supplemented groups. Also ovary index, uterus index and oviduct index were not significantly influenced (p > .05) by quercetin, whereas magnum index, isthmus index, magnum length, isthmus length and follicle numbers were significantly increased (p < .05) with quercetin supplementation. Additionally, expression of apoptotic genes was significantly (p < .05) up-regulated or down-regulated by quercetin. These results indicated that quercetin improved productive performance, and its mechanism may be due to the oestrogen-like activities of quercetin.
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Affiliation(s)
- J X Yang
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin, Heilongjiang Province, China
| | - M T Chaudhry
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin, Heilongjiang Province, China
| | - J Y Yao
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin, Heilongjiang Province, China
| | - S N Wang
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin, Heilongjiang Province, China
| | - B Zhou
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin, Heilongjiang Province, China
| | - M Wang
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin, Heilongjiang Province, China
| | - C Y Han
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin, Heilongjiang Province, China
| | - Y You
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin, Heilongjiang Province, China
| | - Y Li
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin, Heilongjiang Province, China
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Li SH, Gao P, Wang LT, Yan YH, Xia Y, Song J, Li HY, Yang JX. Osthole Stimulated Neural Stem Cells Differentiation into Neurons in an Alzheimer's Disease Cell Model via Upregulation of MicroRNA-9 and Rescued the Functional Impairment of Hippocampal Neurons in APP/PS1 Transgenic Mice. Front Neurosci 2017; 11:340. [PMID: 28659755 PMCID: PMC5468409 DOI: 10.3389/fnins.2017.00340] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [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: 03/16/2017] [Accepted: 05/30/2017] [Indexed: 11/23/2022] Open
Abstract
Alzheimer's disease (AD) is the most serious neurodegenerative disease worldwide and is characterized by progressive cognitive impairment and multiple neurological changes, including neuronal loss in the brain. However, there are no available drugs to delay or cure this disease. Consequently, neuronal replacement therapy may be a strategy to treat AD. Osthole (Ost), a natural coumarin derivative, crosses the blood-brain barrier and exerts strong neuroprotective effects against AD in vitro and in vivo. Recently, microRNAs (miRNAs) have demonstrated a crucial role in pathological processes of AD, implying that targeting miRNAs could be a therapeutic approach to AD. In the present study, we investigated whether Ost could enhance cell viability and prevent cell death in amyloid precursor protein (APP)-expressing neural stem cells (NSCs) as well as promote APP-expressing NSCs differentiation into more neurons by upregulating microRNA (miR)-9 and inhibiting the Notch signaling pathway in vitro. In addition, Ost treatment in APP/PS1 double transgenic (Tg) mice markedly restored cognitive functions, reduced Aβ plague production and rescued functional impairment of hippocampal neurons. The results of the present study provides evidence of the neurogenesis effects and neurobiological mechanisms of Ost against AD, suggesting that Ost is a promising drug for treatment of AD or other neurodegenerative diseases.
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Affiliation(s)
- Shao-Heng Li
- Department of Pharmacology, School of Pharmacy, Liaoning University of Traditional Chinese MedicineDalian, China
| | - Peng Gao
- Department of Anesthesiology, First Affiliated Hospital of Dalian Medical UniversityDalian, China
| | - Li-Tong Wang
- Department of Neurological Rehabilitation, Second Affiliated Hospital of Dalian Medical UniversityDalian, China
| | - Yu-Hui Yan
- Department of Pharmacology, School of Pharmacy, Liaoning University of Traditional Chinese MedicineDalian, China
| | - Yang Xia
- Department of Engineering, University of OxfordOxford, United Kingdom
| | - Jie Song
- Department of Pharmacology, School of Pharmacy, Liaoning University of Traditional Chinese MedicineDalian, China
| | - Hong-Yan Li
- Department of Pharmacology, School of Pharmacy, Liaoning University of Traditional Chinese MedicineDalian, China
| | - Jing-Xian Yang
- Department of Pharmacology, School of Pharmacy, Liaoning University of Traditional Chinese MedicineDalian, China
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Liu SW, Pan XF, Yang JX, Chen XY. A new cave-dwelling loach, Triplophysa xichouensis sp. nov. (Teleostei Nemacheilidae) from Yunnan, China. J Fish Biol 2017; 90:834-846. [PMID: 28155227 DOI: 10.1111/jfb.13201] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2014] [Accepted: 09/29/2016] [Indexed: 06/06/2023]
Abstract
A new cave-dwelling loach of the genus Triplophysa, T. xichouensis, is described from an outlet of a subterranean river in Xisa Town, Xichou County, Yunnan Province, China. It can be distinguished from its congeners by the following characters: dorsal-fin rays iii, 8; anal-fin rays ii, 6; pectoral-fin rays i, 9 or 10; pelvic-fin rays i, 5 or 6; branched caudal-fin rays 16(8+8); eyes highly degenerated to a very tiny black dot; dorsal-fin origin closer to snout tip than to caudal-fin base and anterior to vertical line of pelvic-fin origin; pectoral fin length about two-thirds the distance between pectoral-fin origin to pelvic-fin origin; caudal peduncle slender, its length about three times its depth; caudal fin emarginate; body smooth and scaleless; lateral line complete and straight; anterior chamber of air bladder wrapped in dumbbell-shaped bony capsule and the posterior one well developed, long, oval; intestine short, bending in zigzag shape behind stomach. A key for the cave-dwelling species of Triplophysa is provided. urn:lsid:zoobank.org:pub:9162FFB1-7911-47C3-AE50-6A00E9590327.
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Affiliation(s)
- S W Liu
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650223, China
| | - X F Pan
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650223, China
| | - J X Yang
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650223, China
| | - X Y Chen
- Southeast Asia Biodiversity Research Institute, Chinese Academy of Sciences, Yezin, Nay Pyi Taw, 05282, Myanmar
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Tao T, Yang JX, Shen K, Cao DY. [Clinical-based study of ovarian cancer patients with and without BRCA1/2 genes mutation: clinical features and pedigree analysis]. Zhonghua Fu Chan Ke Za Zhi 2017; 52:20-25. [PMID: 28190311 DOI: 10.3760/cma.j.issn.0529-567x.2017.01.006] [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] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Objective: To compare the clinical and histological features and prognosis of patients with ovarian cancer from different genetic background, and to make further understanding of the genetic model of BRCA genes used pedigree analysis. Methods: There were 71 patients from 67 independent families enrolled in our study from Apr. 2000 to Jun. 2009 in Peking Union Medical College Hospital. All exons of BRCA1/2 genes were analyzed using denaturing high-performance liquid chromatography(DHPLC) followed by direct sequencing, and clinical features of patients were compared by statistical analysis. Pedigree analysis of two families with BRCA genes mutation were performed. Results: The mutation rate of BRCA genes was 28% (20/71). The frequency of BRCA1 and BRCA2 gene mutation was 23% (16/71) and 6% (4/71), respectively (P=0.004). Histology types of patients with and without BRCA genes mutation were different. The onset age between patients with and without BRCA genes mutation was similar (52.6 versus 54.6 years old, P=0.393), and tend to be early-onset breast or ovarian cancer in high-risk group. There was no significant difference of platinum-resistant rate, disease free survival and overall survival rate between patients with and without BRCA genes mutation (all P>0.05). According to the pedigree analysis, up to 100% of female offspring inherited pathogenic mutations, and male offspring could be a mutation carrier. Conclusions: The genetic screening and clinical intervention should be performed as early as possible for the members from families at risk of hereditary ovarian cancer. Genetic consulting is important for patients with high-grade papillary serous adenocarcinoma of ovary. It is still unknown that whether the patients with BRCA gene mutations have better prognosis than sporadic ones, and further perspective, randomized controlled trial is still needed.
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Affiliation(s)
- T Tao
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing 100730, China
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Yang JX, Shen K, Wu LY. [BRCA genes detection of epithelial ovarian cancer in China]. Zhonghua Fu Chan Ke Za Zhi 2017; 52:8-10. [PMID: 28190309 DOI: 10.3760/cma.j.issn.0529-567x.2017.01.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
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Li L, Wu M, Yang JX, Wan XR, Huang HF, Pan LY, Shen K, Lang JH, Xiang Y. [Clinical analysis of hypersensitivity reaction of platinum in ovarian cancer and cervical cancer patients]. Zhonghua Fu Chan Ke Za Zhi 2016; 51:825-831. [PMID: 27916065 DOI: 10.3760/cma.j.issn.0529-567x.2016.11.005] [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: 06/06/2023]
Abstract
Objective: To investigate the incidence, risk factors, management and prognosis of hypersensitivity reaction (HSR) of platinum-based chemotherapy in patients of ovarian cancer and cervical cancer. Methods: Cases from Peking Union Medical College Hospital from Jan. 2013 to Jan. 2016 were checked for patients' data of epithelial ovarian cancer treated with carboplatin/paclitaxel (every 3 weeks) and patients of cervical cancer treated with concurrent radiochemotherapy using cisplatin (every week). General characters, pathological features, treatment and prognosis of patients were analyzed to determine the severity, symptoms, outcomes and risk factors of HSR. Results: (1) Prevalence of HSR: there were 860 cases of ovarian cancer and 580 cases of cervical cancer, among which HSR occurred in 8.8% (76/860) and 5.9% (34/580) patients, respectively. (2) Grading for HSR: most HSR were grade 1 or 2, with 78.9%(60/76) in ovarian cancer and 82.4%(28/34) in cervical cancer patients. In ovarian cancer patients, there were 7 cases of grade 1 HSR and 53 cases of grade 2 HSR, and in cervical cancer patients, there were 11 cases of grade 1 HSR and 17 cases of grade 2 HSR. (3) Symptoms of HSR: most of HSR happened during intravenous infusion of platinum agents, with 98.7% (75/76) in ovarian cancer and 97.1% (33/34) in cervical cancer patients. In ovarian and cervical cancer patients, most common symptom were tight chest and dyspnea, which happened in 92.1% (70/76) and 97.1% (33/34) patients, respectively. Secondary common symptom were skin reactions, which happened in 53.9% (41/76) and 88.2% (30/34) patients respectively. (4) Treatment after HSR: of 76 ovarian cancer cases with HSR, there were no significant difference in the ratio of HSR recurrence among patients of different treatment after HSR (χ2=0.517, P=0.915): 1 of 4 patients applying prior chemotherapy, 4 of 13 cases receiving desensitization, 3 of 11 cases separating medicine, 2 of 11 patients switching to cisplatin. In 34 cervical cancer cases of HSR, there were also no significant difference in the ratio of HSR recurrence among patients of different treatment after HSR (χ2=0.079, P=1.000): 2 of 9 patients applying prior chemotherapy, 3 of 17 cases receiving desensitization. (5) Risk factors of HSR and patients prognosis: in ovarian cancer patients of HSR, risk factors included relapse (P=0.010), courses of chemotherapy reaching seven or nine for patients of primary treatment or reaching six or seven for recurrent patients (all P<0.05). There were no significant risk factors for cervical cancer patients of HSR (all P>0.05). HSR had no impact on the progression- free survival for ovarian cancer (P=0.144) or cervical cancer (P=0.782). Conclusions: In ovarian cancer patients treated with carboplatin and cervical cancer patients treated with concurrent radiochemotherapy using cisplatin, most HSR of platinum are mild and favorable outcomes. Relapse and longer chemotherapy courses are risk factors for HSR of carboplatin for epithelial ovarian cancer.
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Affiliation(s)
- L Li
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing 100730, China
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Li N, Song J, Kong L, Li SH, Jiao YN, Yan YH, Yao YJ, Meng YK, Li XF, Tong MM, Zhang N, Kang K, Kang TG, Yang JX. Neuroprotection of TSG Against Mechanical Trauma Injury Through an Anti-inflammatory Mechanism in Human Neuroblastoma SH-SY5Y Cells. INT J PHARMACOL 2016. [DOI: 10.3923/ijp.2016.789.800] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Yan YH, Li SH, Gao Z, Zou SF, Li HY, Tao ZY, Song J, Yang JX. Neurotrophin-3 promotes proliferation and cholinergic neuronal differentiation of bone marrow- derived neural stem cells via notch signaling pathway. Life Sci 2016; 166:131-138. [PMID: 27720999 DOI: 10.1016/j.lfs.2016.10.004] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [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: 06/21/2016] [Revised: 09/28/2016] [Accepted: 10/05/2016] [Indexed: 01/09/2023]
Abstract
AIMS Recently, the potential for neural stem cells (NSCs) to be used in the treatment of Alzheimer's disease (AD) has been reported; however, the therapeutic effects are modest by virtue of the low neural differentiation rate. In our study, we transfected bone marrow-derived NSCs (BM-NSCs) with Neurotrophin-3 (NT-3), a superactive neurotrophic factor that promotes neuronal survival, differentiation, and migration of neuronal cells, to investigate the effects of NT-3 gene overexpression on the proliferation and differentiation into cholinergic neuron of BM-NSCs in vitro and its possible molecular mechanism. MAIN METHODS BM-NSCs were generated from BM mesenchymal cells of adult C57BL/6 mice and cultured in vitro. After transfected with NT-3 gene, immunofluorescence and RT-PCR method were used to determine the ability of BM-NSCs on proliferation and differentiation into cholinergic neuron; Acetylcholine Assay Kit was used for acetylcholine (Ach). RT-PCR and WB analysis were used to characterize mRNA and protein level related to the Notch signaling pathway. KEY FINDINGS We found that NT-3 can promote the proliferation and differentiation of BM-NSCs into cholinergic neurons and elevate the levels of acetylcholine (ACh) in the supernatant. Furthermore, NT-3 gene overexpression increase the expression of Hes1, decreased the expression of Mash1 and Ngn1 during proliferation of BM-NSCs. Whereas, the expression of Hes1 was down-regulated, and Mash1 and Ngn1 expression were up-regulated during differentiation of BM-NSCs. SIGNIFICANCE Our findings support the prospect of using NT-3-transduced BM-NSCs in developing therapies for AD due to their equivalent therapeutic potential as subventricular zone-derived NSCs (SVZ-NSCs), greater accessibility, and autogenous attributes.
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Affiliation(s)
- Yu-Hui Yan
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian 116600, PR China
| | - Shao-Heng Li
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian 116600, PR China
| | - Zhong Gao
- Department of Interventional Therapy, Department of Rehabilitation, Dalian Municipal Central Hospital, Dalian 116033, PR China
| | - Sa-Feng Zou
- Department of Interventional Therapy, Department of Rehabilitation, Dalian Municipal Central Hospital, Dalian 116033, PR China
| | - Hong-Yan Li
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian 116600, PR China
| | - Zhen-Yu Tao
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian 116600, PR China
| | - Jie Song
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian 116600, PR China
| | - Jing-Xian Yang
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian 116600, PR China.
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Wang N, Zhang J, Yang JX. Growth factor progranulin blocks tumor necrosis factor-α-mediated inhibition of osteoblast differentiation. Genet Mol Res 2016; 15:gmr8126. [PMID: 27706709 DOI: 10.4238/gmr.15038126] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [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
Tumor necrosis factor-α (TNF-α) stimulates osteoclast differentiation and suppresses osteoblast differentiation, leading to bone loss and decreased bone mass in local inflammation areas in patients with rheumatoid arthritis. The growth factor progranulin (PGRN) is expressed in various types of cells and play crucial roles in the pathogenesis of atherosclerosis and arthritis by blocking TNF-α. Here, we investigated the role of PGRN in blocking TNF-α-mediated inhibition of osteoblast differentiation and the regulatory mechanism. C2C12 stem cell was induced by bone morphogenetic protein-2 (BMP-2) for osteoblast differentiation. A significant increase in ALP activity (P < 0.001), as well as the expression of ColI, Ocn, and Bsp in the induced cells (P < 0.01 and P < 0.001) were observed; the marker gene expression and ALP activity were inhibited by TNF-α (P < 0.01 and P < 0.001). PGRN significantly blocks the TNF-α-mediated inhibition of osteoblast differentiation, evidenced by the ALP activity (P < 0.05 and P < 0.01), Alizarin red staining, the expression of ColI, Ocn, and Bsp (P < 0.05 and P < 0.01) and the osteoblast key transcription factor gene Runx2 (P < 0.01), Osx (P < 0.05), and ATF4 (P < 0.05). Mechanical study indicated that PGRN significantly blocks the TNF-α-mediated stimulation of NF-kB signaling (P < 0.01 and P < 0.001). PGRN exerts a protective effect on osteoblast differentiation in an inflammatory environment. Thus, we concluded that the treatment of osteoblasts with PGRN could be used in the future to prevent or treat rheumatoid arthritis-associated bone loss.
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Affiliation(s)
- N Wang
- Department of Rehabilitation, Linyi People's Hospital, Linyi, China
| | - J Zhang
- Department of Rehabilitation, Linyi People's Hospital, Linyi, China
| | - J X Yang
- Department of Orthopedics, Linyi People's Hospital, Linyi, China
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Song J, Li N, Xia Y, Gao Z, Zou SF, Kong L, Yao YJ, Jiao YN, Yan YH, Li SH, Tao ZY, Lian G, Yang JX, Kang TG. Arctigenin Treatment Protects against Brain Damage through an Anti-Inflammatory and Anti-Apoptotic Mechanism after Needle Insertion. Front Pharmacol 2016; 7:182. [PMID: 27445818 PMCID: PMC4916177 DOI: 10.3389/fphar.2016.00182] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [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: 04/15/2016] [Accepted: 06/10/2016] [Indexed: 12/31/2022] Open
Abstract
Convection enhanced delivery (CED) infuses drugs directly into brain tissue. Needle insertion is required and results in a stab wound injury (SWI). Subsequent secondary injury involves the release of inflammatory and apoptotic cytokines, which have dramatic consequences on the integrity of damaged tissue, leading to the evolution of a pericontusional-damaged area minutes to days after in the initial injury. The present study investigated the capacity for arctigenin (ARC) to prevent secondary brain injury and the determination of the underlying mechanism of action in a mouse model of SWI that mimics the process of CED. After CED, mice received a gavage of ARC from 30 min to 14 days. Neurological severity scores (NSS) and wound closure degree were assessed after the injury. Histological analysis and immunocytochemistry were used to evaluated the extent of brain damage and neuroinflammation. Terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) was used to detect universal apoptosis. Enzyme-linked immunosorbent assays (ELISA) was used to test the inflammatory cytokines (tumor necrosis factor (TNF)-α, interleukin (IL)-6 and IL-10) and lactate dehydrogenase (LDH) content. Gene levels of inflammation (TNF-α, IL-6, and IL-10) and apoptosis (Caspase-3, Bax and Bcl-2) were detected by reverse transcription-polymerase chain reaction (RT-PCR). Using these, we analyzed ARC’s efficacy and mechanism of action. Results: ARC treatment improved neurological function by reducing brain water content and hematoma and accelerating wound closure relative to untreated mice. ARC treatment reduced the levels of TNF-α and IL-6 and the number of allograft inflammatory factor (IBA)- and myeloperoxidase (MPO)-positive cells and increased the levels of IL-10. ARC-treated mice had fewer TUNEL+ apoptotic neurons and activated caspase-3-positive neurons surrounding the lesion than controls, indicating increased neuronal survival. Conclusions: ARC treatment confers neuroprotection of brain tissue through anti-inflammatory and anti-apoptotic effects in a mouse model of SWI. These results suggest a new strategy for promoting neuronal survival and function after CED to improve long-term patient outcome.
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Affiliation(s)
- Jie Song
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine Dalian, China
| | - Na Li
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine Dalian, China
| | - Yang Xia
- Department of Engineering, St. Cross College, University of Oxford Oxford, UK
| | - Zhong Gao
- Department of Interventional Therapy, Department of Rehabilitation, Dalian Municipal Central Hospital Dalian, China
| | - Sa-Feng Zou
- Department of Interventional Therapy, Department of Rehabilitation, Dalian Municipal Central Hospital Dalian, China
| | - Liang Kong
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine Dalian, China
| | - Ying-Jia Yao
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine Dalian, China
| | - Ya-Nan Jiao
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine Dalian, China
| | - Yu-Hui Yan
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine Dalian, China
| | - Shao-Heng Li
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine Dalian, China
| | - Zhen-Yu Tao
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine Dalian, China
| | - Guan Lian
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine Dalian, China
| | - Jing-Xian Yang
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine Dalian, China
| | - Ting-Guo Kang
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine Dalian, China
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Yang JX, Guo QJ, Yang J, Zhou XY, Ren HY, Zhang HZ, Xu RX, Wang XD, Peters M, Zhu GX, Wei RF, Tian LY, Han XK. Red mud (RM)-Induced enhancement of iron plaque formation reduces arsenic and metal accumulation in two wetland plant species. Int J Phytoremediation 2016; 18:269-277. [PMID: 26505322 DOI: 10.1080/15226514.2015.1085830] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Human activities have resulted in arsenic (As) and heavy metals accumulation in paddy soils in China. Phytoremediation has been suggested as an effective and low-cost method to clean up contaminated soils. A combined soil-sand pot experiment was conducted to investigate the influence of red mud (RM) supply on iron plaque formation and As and heavy metal accumulation in two wetland plant species (Cyperus alternifolius Rottb., Echinodorus amazonicus Rataj), using As and heavy metals polluted paddy soil combined with three rates of RM application (0, 2%, 5%). The results showed that RM supply significantly decreased As and heavy metals accumulation in shoots of the two plants due to the decrease of As and heavy metal availability and the enhancement of the formation of iron plaque on the root surface and in the rhizosphere. Both wetland plants supplied with RM tended to have more Fe plaque, higher As and heavy metals on roots and in their rhizospheres, and were more tolerant of As and heavy metal toxicity. The results suggest that RM-induced enhancement of the formation of iron plaque on the root surface and in the rhizosphere of wetland plants may be significant for remediation of soils contaminated with As and heavy metals.
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Affiliation(s)
- J X Yang
- a Center for Environmental Remediation, Institute of Geographical Sciences and Natural Resources Research , Chinese Academy of Sciences , Beijing , P. R. China
| | - Q J Guo
- a Center for Environmental Remediation, Institute of Geographical Sciences and Natural Resources Research , Chinese Academy of Sciences , Beijing , P. R. China
| | - J Yang
- a Center for Environmental Remediation, Institute of Geographical Sciences and Natural Resources Research , Chinese Academy of Sciences , Beijing , P. R. China
| | - X Y Zhou
- a Center for Environmental Remediation, Institute of Geographical Sciences and Natural Resources Research , Chinese Academy of Sciences , Beijing , P. R. China
| | - H Y Ren
- a Center for Environmental Remediation, Institute of Geographical Sciences and Natural Resources Research , Chinese Academy of Sciences , Beijing , P. R. China
| | - H Z Zhang
- a Center for Environmental Remediation, Institute of Geographical Sciences and Natural Resources Research , Chinese Academy of Sciences , Beijing , P. R. China
- b University of Chinese Academy of Sciences , Beijing , P. R. China
| | - R X Xu
- a Center for Environmental Remediation, Institute of Geographical Sciences and Natural Resources Research , Chinese Academy of Sciences , Beijing , P. R. China
| | - X D Wang
- c College of Resource Environment and Tourism , Capital Normal University , Beijing , P. R. China
| | - M Peters
- a Center for Environmental Remediation, Institute of Geographical Sciences and Natural Resources Research , Chinese Academy of Sciences , Beijing , P. R. China
| | - G X Zhu
- a Center for Environmental Remediation, Institute of Geographical Sciences and Natural Resources Research , Chinese Academy of Sciences , Beijing , P. R. China
- b University of Chinese Academy of Sciences , Beijing , P. R. China
| | - R F Wei
- a Center for Environmental Remediation, Institute of Geographical Sciences and Natural Resources Research , Chinese Academy of Sciences , Beijing , P. R. China
- b University of Chinese Academy of Sciences , Beijing , P. R. China
| | - L Y Tian
- a Center for Environmental Remediation, Institute of Geographical Sciences and Natural Resources Research , Chinese Academy of Sciences , Beijing , P. R. China
- b University of Chinese Academy of Sciences , Beijing , P. R. China
| | - X K Han
- a Center for Environmental Remediation, Institute of Geographical Sciences and Natural Resources Research , Chinese Academy of Sciences , Beijing , P. R. China
- b University of Chinese Academy of Sciences , Beijing , P. R. China
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Guo Y, Yang JX, Liang GW. A Real-Time PCR Assay Based on 5.8S rRNA Gene (5.8S rDNA) for Rapid Detection of Candida from Whole Blood Samples. Mycopathologia 2015; 181:405-13. [PMID: 26687075 DOI: 10.1007/s11046-015-9977-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2015] [Accepted: 12/10/2015] [Indexed: 11/29/2022]
Abstract
The prevalence of Candida in bloodstream infections (BSIs) has increased. To date, the identification of Candida in BSIs still mainly relies on blood culture and serological tests, but they have various limitations. Therefore, a real-time PCR assay for the detection of Candida from whole blood is presented. The unique primers/probe system was designed on 5.8S rRNA gene (5.8S rDNA) of Candida genus. The analytical sensitivity was determined by numbers of positive PCRs in 12 repetitions. At the concentration of 10(1) CFU/ml blood, positive PCR rates of 100 % were obtained for C. albicans, C. parapsilosis, C. tropicalis, and C. krusei. The detection rate for C. glabrata was 75 % at 10(1) CFU/ml blood. The reaction specificity was 100 % when evaluating the assay using DNA samples from clinical isolates and human blood. The maximum CVs of intra-assay and inter-assay for the detection limit were 1.22 and 2.22 %, respectively. To assess the clinical applicability, 328 blood samples from 82 patients were prospectively tested and real-time PCR results were compared with results from blood culture. Diagnostic sensitivity of the PCR was 100 % using as gold standard blood culture, and specificity was 98.4 %. Our data suggest that the developed assay can be used in clinical laboratories as an accurate and rapid screening test for the Candida from whole blood. Although further evaluation is warranted, our assay holds promise for earlier diagnosis of candidemia.
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Affiliation(s)
- Yi Guo
- Department of Clinical Laboratory, Peking University Aerospace School of Clinical Medicine, No. 15 Yuquan Road, Haidian District, Beijing, 100049, China
| | - Jing-Xian Yang
- Department of Clinical Laboratory, Peking University Aerospace School of Clinical Medicine, No. 15 Yuquan Road, Haidian District, Beijing, 100049, China
| | - Guo-Wei Liang
- Department of Clinical Laboratory, Peking University Aerospace School of Clinical Medicine, No. 15 Yuquan Road, Haidian District, Beijing, 100049, China.
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Peng P, Zhu ZH, Zhong ZJ, Zheng K, Yang JX, Cao DY, Shen K. Benefits of fluorine-18 fludeoxyglucose positron emission tomography in secondary cytoreductive surgery for patients with recurrent epithelial ovarian cancer. Br J Radiol 2015; 88:20150109. [PMID: 25989698 DOI: 10.1259/bjr.20150109] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
OBJECTIVE To investigate the benefits of fluorine-18 fludeoxyglucose positron emission tomography ((18)F-FDG-PET) in patients undergoing secondary cytoreductive surgery (SCRS) for recurrent epithelial ovarian cancer. METHODS Patients were identified, and their clinical information was extracted by review of the gynaecologic oncology database of Peking Union Medical College Hospital. (18)F-FDG-PET scan and analysis were performed by nuclear medicine experts at our hospital. RESULTS The PET group and the control group of patients evaluated by conventional imaging methods differed significantly with respect to the proportion of patients who underwent complete SCRS and the number of residual lesions (p = 0.002 and 0.006, respectively). A Cox model showed that longer progression-free survival (PFS) correlated significantly with (18)F-FDG-PET evaluation [relative risk (RR) = 0.432; p = 0.001], sensitivity to platinum-based chemotherapies (RR = 0.604; p = 0.034) and resection completeness (RR = 0.679; p = 0.039). Longer overall survival (OS) correlated significantly with sensitivity to platinum-based chemotherapy (RR = 0.317; p = 0.000) and the CA-125 level after two cycles of chemotherapy (RR = 2.663; p = 0.003). Surgical safety and complications did not significantly differ between the two groups of patients. CONCLUSION (18)F-FDG-PET is useful for evaluating patients with recurrent epithelial ovarian carcinoma. Patients who undergo PET-guided SCRS have a greater chance of complete tumour resection and a longer PFS. ADVANCES IN KNOWLEDGE SCRS guided by PET results in fewer residual lesions. PET-guided SCRS is safe and can prolong PFS and OS in patients with recurrent ovarian cancer.
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Affiliation(s)
- P Peng
- 1 Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Z H Zhu
- 2 Department of Nuclear Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Z J Zhong
- 1 Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - K Zheng
- 2 Department of Nuclear Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - J X Yang
- 1 Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - D Y Cao
- 1 Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - K Shen
- 1 Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
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Yang JX, Zhang N, Wang HW, Gao P, Yang QP, Wen QP. CXCR4 receptor overexpression in mesenchymal stem cells facilitates treatment of acute lung injury in rats. J Biol Chem 2014; 290:1994-2006. [PMID: 25492872 DOI: 10.1074/jbc.m114.605063] [Citation(s) in RCA: 100] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Novel therapeutic regimens for tissue renewal incorporate mesenchymal stem cells (MSCs) as they differentiate into a variety of cell types and are a stem cell type that is easy to harvest and to expand in vitro. However, surface chemokine receptors, such as CXCR4, which are involved in the mobilization of MSCs, are expressed only on the surface of a small proportion of MSCs, and the lack of CXCR4 expression may underlie the low efficiency of homing of MSCs toward tissue damage, which results in a poor curative effect. Here, a rat CXCR4 expressing lentiviral vector was constructed and introduced into MSCs freshly prepared from rat bone marrow. The influence of CXCR4 expression on migration, proliferation, differentiation, and paracrine effects of MSCs was examined in vitro. The in vivo properties of CXCR4-MSCs were also investigated in a model of acute lung injury in rats induced by lipopolysaccharide. Expression of CXCR4 in MSCs significantly enhanced the chemotactic and paracrine characteristics of the cells in vitro but did not affect self-renewal or differentiation into alveolar and vascular endothelial cells. In vivo, CXCR4 improved MSC homing and colonization of damaged lung tissue, and furthermore, the transplanted CXCR4-MSCs suppressed the development of acute lung injury in part by modulating levels of inflammatory molecules and the neutrophil count. These results indicated that efficient mobilization of MSCs to sites of tissue injury may be due to CXCR4, and therefore, increased expression of CXCR4 may improve their therapeutic potential in the treatment of diseases where tissue damage develops.
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Affiliation(s)
- Jing-Xian Yang
- From the School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian 116600, China
| | - Nan Zhang
- From the School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian 116600, China, School of Pharmacy, China Medical University, Shenyang 110013, China
| | - Han-Wei Wang
- First Affiliated Hospital, Dalian Medical University, Dalian 116011, China, and
| | - Peng Gao
- Department of Anesthesiology, Dalian Medical University, Dalian 116044, China
| | - Qing-Ping Yang
- From the School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian 116600, China
| | - Qing-Ping Wen
- First Affiliated Hospital, Dalian Medical University, Dalian 116011, China, and
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Chen XX, Zhang XD, Li HY, Jia TZ, Yang JX. [Difference in effect between asthma-based mouse model and Stemona tuberosa extracts]. Zhongguo Zhong Yao Za Zhi 2013; 38:4084-4087. [PMID: 24791494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
In this study, OVA-induced asthma mice was taken as the model, and orally administered with different concentration of ethanol extracts of crude and processed Stemona tuberosa, in order to determine the cytokine level released from Th1 and Th2 in splenocytes. RT-PCR was carried out to determine the genetic expression of T-bet/GATA-3 in lung, and compare the differentiation between ethanol extracts of crude and processed S. tuberosa in therapeutic effect on asthma in mice. According to the results, compared with the crude samples, processed samples significantly increased the levels of inflammatory factor INF-gamma (P < 0.05) and decreased IL-5 (P < 0.05) in splenocytes. According to the RT-PCR results, the administration of processed samples could increase the ratio of T-bet/GATA-3 (P < 0.05). The experiment showed that ethanol extracts of both crude and processed S. tuberosa could treat asthma by regulating Th1/Th2 ratio, but processed samples showed more notable effect. This indicated that crude and processed S. tuberosa had significant pharmacological difference. Therefore, it was more rational to apply processed S. tuberosa in clinical treatment of asthma and chronic cough, which layed a foundation for further revealing the processing mechanism of S. tuberosa.
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Bai HM, Yang JX, Huang HF, Cao DY, Chen J, Yang N, Lang JH, Shen K. Individualized managing strategies of aggressive angiomyxoma of female genital tract and pelvis. Eur J Surg Oncol 2013; 39:1101-8. [PMID: 23899874 DOI: 10.1016/j.ejso.2013.06.013] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [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: 03/01/2013] [Accepted: 06/17/2013] [Indexed: 12/17/2022] Open
Abstract
AIMS To investigate and evaluate the clinical management strategies of aggressive angiomyxoma (AA) in female genital tract and pelvis. METHODS A cohort of 13 patients with AA diagnosed and treated in Peking Union Medical College Hospital in the last 12 years was reported focusing on the results of the managements and prognosis. RESULTS The mean age at initial presentation was 36.9 years. The commonest site of tumor was perineum. Only two cases were accurately diagnosed as AA preoperatively by biopsy and fine needle aspiration of the tumors respectively. MRI helpfully reveals the location, relationship and degree of infiltration between tumors and pelvic organs. Surgery is the mainstay treatment. 11 of 12 patients had complete resection and majority of the operations were finished successfully through trans-perineum and trans-vagina approaches. Three cases with positive expression of ERs and PRs in the tumors received GnRHa injections which were useful preoperatively but not postoperatively. One repeatedly-recurrent case was treated with radiotherapy effectively. The recurrence rate in our study was 41.7% (5/12), with a median recurrence interval of 20.9 months. No patient developed distant metastases and died of the disease. CONCLUSIONS AA preferentially involves the pelvic and perineal regions of women in reproductive age. Tumor biopsy and fine-needle aspiration cytology are conducive to the preoperative diagnosis. The individualized operative strategy and awareness to protect and rebuild structure and function of the organs should be emphasized during the management of AA. Long-term follow-up is mandatory because of the high rate of recurrence.
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Affiliation(s)
- H M Bai
- Department of Obstetrics and Gynecology, Peking Union Medical College (PUMC) Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, 1 Shuaifuyuan Wangfujing, Beijing 100730, People's Republic of China
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Lu X, Zhang M, Yang JX, Xu SX, Gan JX. Preliminary Experience of Assessment of Intracranial Lesions by Ultrasound in Multiple Trauma Patients Undergoing Craniectomy. HONG KONG J EMERG ME 2013. [DOI: 10.1177/102490791302000105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Objective To explore the feasibility and reliability of B-mode ultrasound for assessment of intracranial lesions in multiple trauma patients who had undergone craniectomy. Design ingle-centre study. Setting A 16-bed emergency intensive care unit (ICU) in the emergency department of 2nd Affiliated Hospital of Zhejiang University School of Medicine from July 2006 to June 2010. Methods We retrospectively analysed 13 multiple trauma patients with severe head injury admitted to the emergency department of 2nd Affiliated Hospital of Zhejiang University School of Medicine. All 13 patients were admitted to the ICU after craniectomy and received mechanical ventilation. Computed tomography (CT) were conducted when patients' consciousness, pupillary size, light reflex changed apparently, or if the bone window tension and the intracranial pressure increased unexpectedly. Head ultrasonography was performed within 2 hours of CT scanning. Results Ultrasonography revealed 18 pathological changes in the 13 patients. CT and a second operation helped to identify 23 pathological changes. The results of B-mode ultrasound were compared with those of CT and the coincidence rate was 78.3%, with no significant difference in the diagnosis of delayed haematoma or midline shift (Kappa=0.898, p<0.05). Conclusions Transcranial ultrasonography may be a useful tool for monitoring post-operation intracranial lesions in multiple trauma patients with severe head injury. It is an effective supplement to CT.
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Jiao XJ, Peng X, Jiao XM, Wang JS, Sun XW, Zhao PL, Wang SY, Liu JQ, Li T, Yang JX. [Mutation analysis of the HBV reverse transcriptase in nucleos(t)ide-treated patients with chronic HBV infection]. Zhonghua Shi Yan He Lin Chuang Bing Du Xue Za Zhi 2012; 26:453-455. [PMID: 23627028] [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: 06/02/2023]
Abstract
OBJECTIVE To characterize genotypic resistance within HBV RT region in chronic hepatitis B (CHB) patients with nucleos(t)ide analogue (NA) treatment. METHODS Serum samples of 229 CHB patients with NA treatment were obtained. Full-length HBV RT sequences were amplified, sequenced and analyzed, on the following NA resistant (NAr) mutations belonging to different NAr pathways. RESULTS Among 229 HBV isolates, 14.41% (33/229) and 85.59% (196/229) were genotype B and C, respectively; and the patients with HBV genotype C may be more susceptible to develope resistant mutations than patients with HBV genotype B(chi2 = 2.95, P < 0.05). NAr mutations were detected in 63 CHB patients. Mutations were not found at rtI169, rtT184, rtA194 or rtS202. RtM204 mutations were detected at the highest frequency among 63 mutants (40/63, 63.49%) and found to display 11 combination mutation patterns, in which rtM204I were associated with rtL80I/V and rtL180M, and rtM204V were associated with rtL1l80M, respectively. Conclusions There are complicated mutation patterns in the HBV RT region for chronic hepatitis B (CHB) patients with nucleos(t)ide analogue (NA) treatment. RtM204V/I mutation was the highest.
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Affiliation(s)
- Xiu-Juan Jiao
- Department of Liver Diseases, Qinhuangdao Third Hospital, China.
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Nie JJ, Sun KX, Li J, Wang J, Jin H, Wang L, Lu FM, Li T, Yan L, Yang JX, Sun MS, Zhuang H. A type-specific nested PCR assay established and applied for investigation of HBV genotype and subgenotype in Chinese patients with chronic HBV infection. Virol J 2012; 9:121. [PMID: 22716091 PMCID: PMC3477104 DOI: 10.1186/1743-422x-9-121] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2011] [Accepted: 06/11/2012] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Many studies have suggested that hepatitis B virus (HBV) genotypes show not only geographical distribution and race specificity, but also are associated with disease progression and response to interferon treatment. The objective of this study was to develop a nested polymerase chain reaction (nPCR) assay for genotypes A-D and subgenotypes B1, B2, C1 and C2 of hepatitis B virus (HBV) and to investigate the distribution characteristics of HBV genotypes/subgenotype in China. METHODS After redesigning the primers and optimizing the reaction conditions using common Taq polymerase, the sensitivity, specificity and reproducibility of the method were evaluated using plasmids and serum samples. In total, 642 serum samples from patients with chronic HBV infection were applied to investigate the distribution of HBV genotype and subgenotype in China. RESULTS The genotype and subgenotype could be identified when the HBV DNA load of a sample was ≥10(2.3) IU/mL. For the 639 successfully genotyped samples, the sequencing results of 130 randomly selected samples (20.3%, 130/639) were consistent with those of the nPCR method. The present study showed that HBV genotype B (11.2%, 72/642), C (68.2%, 438/642) and D (7.2%, 46/642) were circulating in China, while genotype C was the dominant strain except for western region where genotype D was the prevalent strain. The main subgenotypes of genotypes B and C were B2 (87.5%, 63/72) and C2 (92.9%, 407/438), respectively. CONCLUSIONS The low-cost nPCR method would be a useful tool for clinical and epidemiological investigation in the regions where genotypes A-D are predominant.
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Affiliation(s)
- Jing-Jing Nie
- Department of Microbiology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191, China
| | - Kui-Xia Sun
- Department of Microbiology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191, China
| | - Jie Li
- Department of Microbiology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191, China
| | - Jie Wang
- Department of Microbiology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191, China
| | - Hui Jin
- Department of Microbiology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191, China
| | - Ling Wang
- Department of Microbiology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191, China
| | - Feng-Min Lu
- Department of Microbiology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191, China
| | - Tong Li
- Department of Microbiology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191, China
| | - Ling Yan
- Department of Microbiology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191, China
| | - Jing-Xian Yang
- Department of Microbiology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191, China
| | - Mi-Shu Sun
- Department of Microbiology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191, China
| | - Hui Zhuang
- Department of Microbiology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191, China
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Abstract
A new species, Triplophysa huapingensis, is described from the Hongshuihe River, Guangxi, China. The new species is distinguished from other species of Triplophysa by the following combination of characters: body covered with scales, lateral line complete, eyes not degenerate, dorsal fin truncate, caudal fin forked, tip of pelvic fin not reaching anus, eight branched rays of dorsal fin, six branched rays of pelvic fin, 16 branched rays of caudal fin, grey and black diffused blotches on dorsal and lateral head and body. A key to all recorded species of Triplophysa in the Xijiang River system is provided.
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Affiliation(s)
- L P Zheng
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, the Chinese Academy of Sciences, Kunming 650223, China
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Yang JX, Liu BM, Li XG, Yan CH, Xu J, Sun XW, Wang YH, Jiao XJ, Yan L, Dong JP, Hou CS, Abuduheilili X, Li T, Zhuang H. Profile of HBV antiviral resistance mutations with distinct evolutionary pathways against nucleoside/nucleotide analogue treatment among Chinese chronic hepatitis B patients. Antivir Ther 2011; 15:1171-8. [PMID: 21149924 DOI: 10.3851/imp1677] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
BACKGROUND Antiviral drug-resistant HBV mutants under a variety of treatment protocols are complex and only partly understood. Here, a population-based cross-sectional study was performed to analyse the profile of resistance mutations in distinct evolutionary pathways refractory to different nucleoside/nucleotide analogues (NAs). METHODS Serum samples of 199 chronic hepatitis B patients undergoing NA treatment from five hospitals in four northern cities of China were obtained between January 2007 and July 2009. The genotypic resistance of HBV in these samples was characterized. The full-length HBV reverse transcriptase region was amplified, sequenced and analysed with particular focus on the following NA-resistant changes: rtL80, rtI169, rtV173, rtL180, rtA181, rtT184, rtA194, rtS202, rtM204, rtN236 and rtM250. RESULTS Among 199 HBV isolates, 30 (15.08%) and 169 (84.92%) were genotypes B and C, respectively, and 65 (32.66%) harboured NA-resistant mutations. The prevalence of mutations at rtM204 was 34.33% in 134 patients who had received or who had been exposed to lamivudine-based therapy. Five cases of rtN236 mutations were detected exclusively among 75 patients receiving adefovir-dipivoxil-based therapies. A total of 19 cases of multidrug resistance rtA181 mutations were observed in those with lamivudine-, adefovir-dipivoxil- or telbivudine-based treatment (186 cases), but not in those undergoing entecavir treatment (13 cases). Mutations were not found at rtI169, rtT184, rtA194 or rtS202. rtM204 mutations (27 rtM204I, 15 rtM204V and 5 rtM204I/V cases) were detected at the highest frequency among 65 mutants (72.30% [47/65]) and found to display 16 combination mutation patterns, in which rtM204I and rtM204V were significantly associated with rtL80I/V and rtL180M, respectively (P<0.01). CONCLUSIONS One-third of the studied population harboured NA-resistant HBV with complicated mutation patterns. Monitoring HBV genotypic resistance mutation markers and patterns is therefore shown to be beneficial for optimizing antiviral therapies and for avoiding clinical deterioration.
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Affiliation(s)
- Jing-Xian Yang
- Department of Microbiology, Peking University Health Science Center, Beijing, China
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Yang JX, Cui FZ, Lee IS, Zhang Y, Yin QS, Xia H, Yang SX. In vivo biocompatibility and degradation behavior of Mg alloy coated by calcium phosphate in a rabbit model. J Biomater Appl 2011; 27:153-64. [PMID: 21363872 DOI: 10.1177/0885328211398161] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
This study is conducted to investigate the biocompatibility and biodegradation behavior of calcium phosphate-coated Mg alloy in vivo. Calcium phosphate (Ca-P) was coated on the Mg alloy (AZ31) by a chemical process. Samples of Ca-P coated rods, the naked alloy rods, and degradable polymer as controls were implanted into the thighbone of rabbits to investigate the bone response at the early stage. The reduction in implant volume was determined by micro-computed tomography and three-dimensional reconstruction of the remaining Mg alloy segmented from the bone matrix. It was observed that the biodegradation rate of naked Mg implant is faster than that of the coated ones. The bone-implant interface was characterized in sections by scanning electron microscopy with energy-dispersive spectroscopy. Biodegradation or reaction layer was formed on the surface of Mg alloy implants and direct contact with the surrounding bone. The layer was mainly composed of Ca, P, O, and Mg. After 8 weeks of post-operation, paraffin sections were generated for histomorphologic analysis; 100% implants were fixed and no inflammation was observed. Histological analysis showed that new bone tissue is formed around the Mg implants, and no fibrous capsule was found. Blood examination showed that the biodegradation of the Mg implant caused little change to blood composition. Ca-P coating on Mg alloy substrate might be an effective method to reduce the biodegradation rate of Mg alloy in vivo and improve the surface bioactivity of Mg alloy implants.
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Affiliation(s)
- J X Yang
- Advanced Materials Laboratory, Department of Materials Science and Engineering, Tsinghua University, Beijing 100084, China
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