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Ladbury CJ, Mei M, Kafaja S, Nall J, Han C, Dandapani SV, Forman SJ, Wong JYC. Autologous Stem Cell Transplantation with Intensity Modulated Total Body Irradiation Conditioning for Systemic Sclerosis. Int J Radiat Oncol Biol Phys 2023; 117:e189-e190. [PMID: 37784821 DOI: 10.1016/j.ijrobp.2023.06.1051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) Based on the seminal SCOT trial, autologous stem cell transplantation (HSCT) using myeloablative total body irradiation (TBI) and anti-thymocyte globulin (ATG) as a conditioning regimen has become a standard treatment option for certain patients with systemic sclerosis (SSc). In patients with SSc, normal organs are more radiosensitive and prone to compromised function, and therefore lungs and kidneys require dose reduction. With traditional techniques, TBI requires heavy and thick physical blocks, which can be cumbersome and have poor reproducibility. We hypothesized that intensity modulated radiation therapy (IMRT) TBI compared to standard anteroposterior (AP)/posteroanterior (PA) TBI would facilitate improvements in dosimetry and reproducibility (due to not requiring physical blocks) without compromising outcomes. Herein, we report a single-institution retrospective analysis of patients with SSc treated with an IMRT TBI. MATERIALS/METHODS Patients with SSc who underwent HSCT with TBI between 2017 and 2022 were eligible. All patients underwent conditioning with equine ATG, cyclophosphamide 120 mg/kg, and IMRT TBI administered twice-daily to a total dose of 800 cGy in 200 cGy fractions. A minimum of 80% of the PTV was to receive prescription dose. Mean lung and kidney dose were to be less than 200 cGy. Patients were then replanned using an AP/PA technique for dosimetric comparison. The primary endpoint was planning target volume (PTV), lung, and kidney dosimetry. Secondary endpoints included event-free survival (EFS), overall survival (OS), disease-modifying antirheumatic drug-free survival (DMARD-FS), treatment related mortality (TRM), and toxicity. RESULTS A total of 14 patients were eligible for our analysis. On dosimetric analysis, the mean dose to the PTV was significantly higher on the IMRT compared to the AP/PA plans (809.4 cGy versus 728.5 cGy, p<0.001). The mean dose to the lungs (239.5 cGy versus 443.9 cGy, p<0.001) and kidneys (204.9 cGy versus 281.2 cGy, p<0.001) was significantly lower. Median follow-up was 34.6 months (1.0-51.7 months). There was one case of TRM secondary to respiratory failure. The 24-month OS, EFS, and DMARD-FS estimates were 92.9%, 74.3%, and 70.0%, respectively. Three patients experienced adverse events, which included respiratory failure (n = 1), renal failure (n = 1), and death (n = 1). No patients experienced clinically significant pneumonitis or nephritis that were deemed to be a likely consequence of TBI. Five patients subsequently initiated DMARDs, but three did so due to worsening skin symptoms without other major organ dysfunction. CONCLUSION Use of IMRT TBI as part of the conditioning regimen for HSCT for SSc yields improved dosimetry relative to a standard AP/PA technique, with efficacy and toxicity outcomes comparable with published data. This technique should be considered for patients undergoing HSCT for SSc and warrants inclusion in prospective trials for SSc that involve TBI.
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Affiliation(s)
- C J Ladbury
- Department of Radiation Oncology, City of Hope National Medical Center, Duarte, CA
| | - M Mei
- Department of Hematology and Hematopoietic Cell Transplantation, City of Hope National Medical Center, Duarte, CA
| | - S Kafaja
- Division of Rheumatology, University of California Los Angeles, Los Angeles, CA
| | - J Nall
- Department of Radiation Oncology, City of Hope National Medical Center, Duarte, CA
| | - C Han
- Department of Radiation Oncology, City of Hope National Medical Center, Duarte, CA
| | - S V Dandapani
- Department of Radiation Oncology, City of Hope National Medical Center, Duarte, CA
| | - S J Forman
- Department of Hematology and Hematopoietic Cell Transplantation, City of Hope National Medical Center, Duarte, CA
| | - J Y C Wong
- Department of Radiation Oncology, City of Hope National Medical Center, Duarte, CA
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Ladbury CJ, Hao C, Watkins WT, Sampath S, Wong JYC, Amini A, Sokolov KM, Yeh J, Feghali K, Maniyedath A, Shirvani SM, Nikolaenko L, Mei M, Herrera A, Popplewell L, Budde LE, Dandapani S. Prognostic Significance of Positron Emission Tomography Delta Radiomics Following Bridging Therapy in Patients with Large B-Cell Lymphoma Undergoing CAR T-Cell Therapy. Int J Radiat Oncol Biol Phys 2023; 117:S53. [PMID: 37784519 DOI: 10.1016/j.ijrobp.2023.06.336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) CAR T-cell therapy is routinely used as a treatment option for relapsed/refractory large B-cell lymphoma (LBCL). Bridging therapy radiation therapy (bRT) is increasingly being utilized prior to chimeric antigen receptor (CAR) T-cell therapy for large B-cell lymphoma (LBCL). It is unknown how the extent of debulking as a result of bRT impacts outcomes following CAR T-cell infusion. We hypothesized that the extent of debulking is prognostic of overall response to therapy. MATERIALS/METHODS We reviewed patients with LBCL treated with bRT followed by commercially available CAR T-cell therapy between 2017 and 2022. Patients required a F-fluorodeoxyglucose (FDG) positron emission tomography (PET) scan prior to bRT and between completion of bRT and CAR T-cell infusion. On each scan, metabolic tumor volume (MTV), maximum standardized uptake value (SUVmax), SUVmean, and total lesion glycolysis (TLG) were determined. Delta-radiomics based on changes of these values between scans in patients overall and irradiated sites were then calculated. Optimal cut points were determined using maximally selected log-rank. The primary endpoints were progression-free survival (PFS) and local control (LC), measured from CAR T-cell infusion by Kaplan-Meier and Fine-Gray competing risk survival analyses, respectively. RESULTS Twenty-three patients with LBCL with 33 irradiated sites were reviewed. All metabolically active disease was treated in 10 patients. Median equivalent dose in 2 Gy fractions (EQD2) was 26 Gy (14-44). Median interval from bRT to PET was 9 days (2-30). Following bRT, 2 patients achieved complete responses, 16 had partial responses, and 5 had progressive disease. Five irradiated sites progressed through bRT. No local failures were observed when EQD2>32.5 Gy was given. LC was improved with EQD2>20 Gy (24 mo LC: 94.5% vs 68.6%; p = 0.075). Following BRT, median overall decreases in MTV, SUVmax, SUVmean, and TLG were 22.2 cc (63.1%), 8.9 (36.8%), 3.4 (31.1%), and 297.9 cc (75.8%), respectively. Median decreases in MTV, SUVmax, SUVmean, and TLG in irradiated sites were 15.6 cc (91.1%), 17.0 (74.6%), 6.8 (55.3%), and 157.0 cc (94.6%), respectively. PFS was significantly improved in patients with reductions of MTV of at least 36 cc (24 mo PFS: 69.2% vs 0%; p = 0.047) or SUVmax of at least 15 (24-mo PFS: 80.0% vs 28.1%; p < 0.001). LC was significantly improved in lesions with reductions of SUVmax of at least 14 (24-mo LC: 100% vs 67.3%; p < 0.001) or SUVmean of at least 7 (24-mo LC: 100% vs 74.4%; p < 0.001). CONCLUSION bRT led to significant reductions in MTV, SUVmax, SUVmean, and TLG. The extent of these decreases correlated with improved PFS and LC. There appears to be a dose-response relationship. Larger cohorts should validate the value of interim PET following bRT, and associated changes in disease burden as a means of prognosticating patients. Future work might evaluate whether escalation of BT in patients with suboptimal response, using either systemic therapy or higher radiation doses, has an impact on outcomes.
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Affiliation(s)
- C J Ladbury
- Department of Radiation Oncology, City of Hope National Medical Center, Duarte, CA
| | - C Hao
- Department of Radiation Oncology, City of Hope National Medical Center, Duarte, CA
| | - W T Watkins
- Department of Radiation Oncology, City of Hope National Medical Center, Duarte, CA
| | - S Sampath
- Department of Radiation Oncology, City of Hope National Medical Center, Duarte, CA
| | - J Y C Wong
- Department of Radiation Oncology, City of Hope National Medical Center, Duarte, CA
| | - A Amini
- Department of Radiation Oncology, City of Hope National Medical Center, Duarte, CA
| | - K M Sokolov
- Department of Radiation Oncology, City of Hope National Medical Center, Duarte, CA
| | - J Yeh
- Department of Radiation Oncology, City of Hope National Medical Center, Duarte, CA
| | - K Feghali
- RefleXion Medical, Inc., Hayward, CA
| | | | | | - L Nikolaenko
- Department of Hematology and Hematopoietic Cell Transplantation, City of Hope National Medical Center, Duarte, CA
| | - M Mei
- Department of Hematology and Hematopoietic Cell Transplantation, City of Hope National Medical Center, Duarte, CA
| | - A Herrera
- Department of Hematology and Hematopoietic Cell Transplantation, City of Hope National Medical Center, Duarte, CA
| | - L Popplewell
- Department of Hematology and Hematopoietic Cell Transplantation, City of Hope National Medical Center, Duarte, CA
| | - L E Budde
- Department of Hematology and Hematopoietic Cell Transplantation, City of Hope National Medical Center, Duarte, CA
| | - S Dandapani
- Department of Radiation Oncology, City of Hope National Medical Center, Duarte, CA
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Yang J, Wang L, Mei M, Guo J, Yang X, Liu S. Electroacupuncture repairs intestinal barrier by upregulating CB1 through gut microbiota in DSS-induced acute colitis. Chin Med 2023; 18:24. [PMID: 36894930 PMCID: PMC9999655 DOI: 10.1186/s13020-023-00733-9] [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: 11/01/2022] [Accepted: 03/05/2023] [Indexed: 03/11/2023] Open
Abstract
BACKGROUND A few studies have reported that electroacupuncture (EA) can repair the intestinal barrier through unknown mechanisms. Cannabinoid receptor 1 (CB1) was shown to play an important role in the protection of the gut barrier in recent studies. Gut microbiota can influence the expression of CB1. In this study, we explored the effect of EA on the gut barrier in acute colitis and its mechanism. METHODS A dextran sulfate sodium (DSS)-induced acute colitis model, CB1 antagonist model and fecal microbiota transplantation (FMT) model were used in this study. The disease activity index (DAI) score, colon length, histological score, and inflammatory factors were detected to evaluate colonic inflammation. Methods for detecting intestinal barrier functions included the expression of tight junction proteins, intestinal permeability, and the number of goblet cells. Moreover, 16S rRNA sequencing was applied to analyze alterations in the gut microbiota. Western blotting and RT-PCR were performed to assess the levels of CB1 and autophagy-related proteins. Autophagosomes were observed by transmission electron microscopy. RESULTS EA reduced the DAI score, histological score, levels of inflammatory factors, and restored the colon length. Moreover, EA increased the expression of tight junction proteins and the number of goblet cells, and decreased intestinal permeability. In addition, EA remodeled the community structure of the gut microbiota, increased the expression of CB1, and enhanced the degree of autophagy. However, the therapeutic effects were reversed by CB1 antagonists. In addition, FMT in the EA group exhibited similar effects to EA and upregulated CB1. CONCLUSIONS We concluded that EA may protect intestinal barrier functions by increasing the expression of CB1 to enhance autophagy through gut microbiota in DSS-induced acute colitis.
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Affiliation(s)
- Jingze Yang
- Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Lingli Wang
- Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Minhui Mei
- Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Jinlu Guo
- Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Xin Yang
- Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Shi Liu
- Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
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An J, Wang L, Song S, Tian L, Liu Q, Mei M, Li W, Liu S. Electroacupuncture reduces blood glucose by regulating intestinal flora in type 2 diabetic mice. J Diabetes 2022; 14:695-710. [PMID: 36195536 PMCID: PMC9574722 DOI: 10.1111/1753-0407.13323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 08/13/2022] [Accepted: 09/15/2022] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND The development of diabetes is closely related to the gut microbiota in recent studies, which can be influenced by intestinal motility. A few studies report that electroacupuncture (EA) can lower blood glucose. EA can promote colonic motility and influence gut microbes. In this study, we explored the effect of the EA on blood glucose level in mice with type 2 diabetes (T2D) and its mechanism. METHODS The T2D mice model, fecal microbiota transplantation mice model, and KitW/Wv mice model (Point mutation of mouse W locus encoding kit gene)were used to investigate the effect of EA on blood glucose as well as the mechanism; The blood glucose and insulin resistance level and the intestinal flora were evaluated. The level of intestinal junction protein, inflammatory cytokines in the serum, interstitial cells of Cajal content, and colonic motility were detected. Lastly, the IKKβ/NF-κB-JNK-IRS-1-AKT pathway was explored. RESULTS EA lowered the blood glucose level, altered the gut microbiota, and promoted colonic motility in T2D mice. EA-altered microbiota decreased the blood glucose level and insulin resistance in the antibiotics-treated diabetic mice. EA increased tight junction protein, lowered inflammatory factors, and regulated the IKKβ/NF-κB-JNK-IRS-1-AKT pathway in the liver and muscles. EA could not reduce the blood glucose and regulated gut microbiota in the KitW/Wv mice model. CONCLUSIONS EA promoted intestinal motility to regulate the intestinal flora, thereby reducing the level of systemic inflammation, and ultimately lowering the blood glucose by the IKKβ/NF-κB-JNK-IRS-1-AKT signal pathway.
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Affiliation(s)
- Jing An
- Department of Gastroenterology, Union Hospital, Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
| | - Lingli Wang
- Department of Gastroenterology, Union Hospital, Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
| | - Shuangning Song
- Department of Gastroenterology, Union Hospital, Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
| | - Lugao Tian
- Department of Gastroenterology, Union Hospital, Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
| | - Qingqing Liu
- Department of Gastroenterology, Union Hospital, Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
| | - Minhui Mei
- Department of Gastroenterology, Union Hospital, Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
| | - Wenhua Li
- Department of Gastroenterology, Union Hospital, Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
| | - Shi Liu
- Department of Gastroenterology, Union Hospital, Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
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Yang X, Mei M, Yang J, Guo J, Du F, Liu S. Ferroptosis-related long non-coding RNA signature predicts the prognosis of hepatocellular carcinoma. Aging (Albany NY) 2022; 14:4069-4084. [PMID: 35550563 PMCID: PMC9134948 DOI: 10.18632/aging.204073] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [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: 08/23/2021] [Accepted: 05/02/2022] [Indexed: 11/25/2022]
Abstract
Background: Hepatocellular Carcinoma (HCC) is a highly heterogeneous malignant tumor, and its prognostic prediction is extremely challenging. Ferroptosis is a cell mechanism dependent on iron, which is very significant for HCC development. Long non-coding RNA (lncRNA) is also linked to HCC progression. This work aimed to establish a prognosis risk model for HCC and to discover a possible biomarker and therapeutic target. Methods: The Cancer Genome Atlas (TCGA) database was used to obtain RNA-seq transcriptome data and clinic information of HCC patients. Firstly, univariate Cox was utilized to identify 66 prognostic ferroptosis-related lncRNAs. Then, the identified lncRNAs were further included in the multivariate Cox analysis to construct the prognostic model. Eventually, we performed quantitative polymerase chain reaction (q-PCR) to validate the risk model. Results: We established a prognostic seventeen-ferroptosis-related lncRNA signature model. The signature could categorize patients into two risk subgroups, with the low-risk subgroup associated with a better prognosis. Additionally, the area under the curve (AUC) of the lncRNAs signature was 0.801, indicating their reliability in forecasting HCC prognosis. Risk score was an independent prognostic factor by regression analyses. Gene set enrichment analysis (GSEA) analyses demonstrated a remarkable enrichment of cancer-related and immune-related pathways in the high-risk group. Besides, the immune status was decreased in the high-risk group. Eventually, three prognostic lncRNAs were validated in human HCCLM3 cell lines. Conclusions: The risk model based on seventeen-ferroptosis-related lncRNA has significant prognostic value for HCC and may be therapeutic targets associated with ferroptosis in clinical ways.
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Affiliation(s)
- Xin Yang
- Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Minhui Mei
- Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jingze Yang
- Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jinlu Guo
- Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Fan Du
- Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shi Liu
- Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Luo Y, He WW, Cheng QF, Yang SM, Du ZP, Mei M, Xu ZX, Hu JB, Wang KR, He YF, Li QF, Song Y. [Re-evaluation of the diagnostic value and optimal cutoff point of captopril challenge test in diagnosis of primary aldosteronism]. Zhonghua Nei Ke Za Zhi 2022; 61:60-65. [PMID: 34979771 DOI: 10.3760/cma.j.cn112138-20210331-00254] [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: 06/19/2023]
Abstract
Objective: The aim of the present study was to re-evaluate the diagnostic value and optimal cutoff point of captopril challenge test (CCT) in diagnosis of primary aldosteronism (PA). Methods: This is a retrospective study. All patients with a high risk for PA underwent screening test, and then proceeded to CCT and fludrocortisone suppression test (FST) on different days. The FST was used as a reference standard for PA. The plasma renin concentration (PRC) and plasma aldosterone concentration (PAC) were measured with an automated chemiluminescence immunoassay. Random number method was performed in the patients with unilateral primary aldosteronism (UPA), in order to make the proportion of the analyzed UPA in PA was 35%. Receiver operating characteristic (ROC) analyses were performed to compare diagnostic accuracy. Results: A total of 543 patients with 400 PA patients and 143 essential hypertension (EH) patients were enrolled. The diagnostic value of post-CCT PAC was significantly higher than that of the post-CCT plasma aldosterone-renin ratio (ARR), and that of the PAC suppression percentage, respectively. The area under the ROC curve (AUCROC) was 0.86 (0.83, 0.89) for PAC, 0.78 (0.74, 0.82) for ARR, and 0.62 (0.56, 0.67) for the PAC suppression percentage (all P<0.01), respectively. The optimal cutoff point of post-CCT PAC for PA was 110 ng/L, in which the sensitivity and specificity were 73.25% and 79.02%, respectively. The diagnostic efficiency of post-CCT PAC was not improved either in combination with PAC suppression percentage or in combination with post-CCT ARR. Conclusions: CCT is a useful test for the confirmation of PA. PAC level of 110 ng/L at 2 h after 50 mg of captopril is recommended as an optimal cutoff point for the diagnosis of PA.
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Affiliation(s)
- Y Luo
- Department of Endocrinology, the First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - W W He
- Department of Endocrinology, the First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Q F Cheng
- Department of Endocrinology, the First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - S M Yang
- Department of Endocrinology, the First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Z P Du
- Department of Endocrinology, the First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - M Mei
- Department of Endocrinology, the First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Z X Xu
- Department of Endocrinology, the First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - J B Hu
- Department of Endocrinology, the First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - K R Wang
- Department of Endocrinology, the First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Y F He
- Department of Endocrinology, the First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Q F Li
- Department of Endocrinology, the First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Y Song
- Department of Endocrinology, the First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
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Mei M, Feng ZP, Song Y, He WW, Cheng QF, Yang SM, Hu JB, Wang KR, Xu ZX, Du ZP, Li QF. [Prevalence and clinical characteristics of obstructive sleep apnea in patients with primary hyperaldosteronism]. Zhonghua Nei Ke Za Zhi 2020; 59:866-871. [PMID: 33120490 DOI: 10.3760/cma.j.cn112138-20191212-00813] [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 proportion of obstructive sleep apnea (OSA) in primary aldosteronism (PA) in Chinese population and compare the clinical characteristics between PA patients with OSA and those without. Methods: A total of 96 patients diagnosed with PA from September 2015 to November 2018 were recruited in this study. OSA was screened by cardio-respiratory polygraphy. According to the apnea hypopnea index (AHI), the patients were divided into PA with OSA group (AHI ≥5 times) and PA without OSA group (AHI<5 times). Results: Among all patients (96), 69 (71.9%) were with OSA, among them 22 patients (22.9%) were with mild OSA, 17 patients (17.7%) were with moderate OSA and 30 patients (31.3%) were with severe OSA. Compared with the patients without OSA, the patients with OSA were elder, and had higher levels of body mass index (BMI), waist circumference (WC), hip circumference (HC), creatinine (CR) and glycosylated haemoglobin (HbA1c) (P<0.05), but lower concentrations of plasma aldosterone (PAC), supine aldosterone renin concentration ratio(ARR) and the PAC after the diagnosis test (P<0.05). Spearman correlation analyses showed that BMI, WC, HC, CR and HbA1c were positively correlated with AHI (P<0.05), while high-density lipoproteincholesterol (HDL-C), supine-PAC and saline infusion test(SIT)-post PAC were negatively correlated with AHI (P<0.05). Conclusions: The proportion of OSA in PA patients is relatively high (71.9%). Metabolic abnormalities are more common in PA patients with OSA, indicating that screening for OSA should be carried out routinely in PA patients.
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Affiliation(s)
- M Mei
- Department of Endocrinology, the First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Z P Feng
- Department of Endocrinology, the First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Y Song
- Department of Endocrinology, the First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - W W He
- Department of Endocrinology, the First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Q F Cheng
- Department of Endocrinology, the First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - S M Yang
- Department of Endocrinology, the First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - J B Hu
- Department of Endocrinology, the First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - K R Wang
- Department of Endocrinology, the First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Z X Xu
- Department of Endocrinology, the First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Z P Du
- Department of Endocrinology, the First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Q F Li
- Department of Endocrinology, the First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
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Wang L, An J, Song S, Mei M, Li W, Ding F, Liu S. Electroacupuncture preserves intestinal barrier integrity through modulating the gut microbiota in DSS-induced chronic colitis. Life Sci 2020; 261:118473. [PMID: 32971101 DOI: 10.1016/j.lfs.2020.118473] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [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: 07/10/2020] [Revised: 09/07/2020] [Accepted: 09/17/2020] [Indexed: 12/16/2022]
Abstract
AIMS Electroacupuncture (EA) at ST36 has been verified to ameliorate experimental acute colitis. However, the effect of EA on chronic colitis and its mechanism has not yet been explored. This study aimed to assess the protective effect of EA against chronic colitis and the related mechanisms. MAIN METHODS Chronic colitis was induced by dextran sulfate sodium (DSS) in C57BL/6 mice, and EA was applied throughout the entire experiment. Colonic inflammation and intestinal barrier integrity were evaluated. Alterations in the gut microbiota were analyzed by 16S rRNA gene sequencing. The fecal microbiota transplantation (FMT) experiment was used to further confirm the effect of the gut microbiota on the barrier protective effect of EA. The potential molecular mechanisms were explored by western blotting. KEY FINDINGS (1) EA lowered the disease activity index (DAI) and histological scores, decreased the levels of TNFα, IL1β, IL6 and iNOS, and increased the IL10 level in DSS-induced chronic colitis. (2) EA upregulated the protein expression of ZO-1, Occludin, E-Cadherin and mucin2 (MUC2), reduced the apoptosis and proliferation of intestinal epithelial cells (IECs) and intestinal permeability. (3) EA enhanced the gut microbiota diversity and restored the community structure. (4) Both the low-frequency EA (LEA) FMT and high-frequency EA (HEA) FMT maintained the intestinal barrier integrity. (5) EA promoted activation of the mitogen activated protein kinase (MAPK) signaling pathway. SIGNIFICANCE EA can relieve chronic experimental colitis, and this effect may depend on activation of the MAPK signaling pathway through modulation of the gut microbiota to preserve the intestinal barrier.
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Affiliation(s)
- Lingli Wang
- Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Jing An
- Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Shuangning Song
- Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Minhui Mei
- Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Wenhua Li
- Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Fei Ding
- Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Shi Liu
- Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.
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Zeymer U, Ludman P, Danchin N, Kala P, Maggioni AP, Weidinger F, Gale CP, Beleslin B, Budaj A, Chioncel O, Dagres N, Danchin N, Emberson J, Erlinge D, Glikson M, Gray A, Kayikcioglu M, Maggioni AP, Nagy VK, Nedoshivin A, Petronio AS, Roos-Hesselink J, Wallentin L, Zeymer U, Weidinger F, Zeymer U, Danchin N, Ludman P, Sinnaeve P, Kala P, Ferrari R, Maggioni AP, Goda A, Zelveian P, Weidinger F, Karamfilov K, Motovska Z, Zeymer U, Raungaard B, Marandi T, Shaheen SM, Lidon RM, Karjalainen PP, Kereselidze Z, Alexopoulos D, Becker D, Quinn M, Iakobishvili Z, Al-Farhan H, Sadeghi M, Caporale R, Romeo F, Mirrakhimov E, Serpytis P, Erglis A, Kedev S, Balbi MM, Moore AM, Dudek D, Legutko J, Mimoso J, Tatu-Chitoiu G, Stojkovic S, Shlyakhto E, AlHabib KF, Bunc M, Studencan M, Mourali MS, Bajraktari G, Konte M, Larras F, Lefrancq EF, Mekhaldi S, Laroche C, Maggioni AP, Goda A, Shuka N, Pavli E, Tafaj E, Gishto T, Dibra A, Duka A, Gjana A, Kristo A, Knuti G, Demiraj A, Dado E, Hasimi E, Simoni L, Siqeca M, Sisakian H, Hayrapetyan H, Markosyan S, Galustyan L, Arustamyan N, Kzhdryan H, Pepoyan S, Zirkik A, Von Lewinski D, Paetzold S, Kienzl I, Matyas K, Neunteufl T, Nikfardjam M, Neuhold U, Mihalcz A, Glaser F, Steinwender C, Reiter C, Grund M, Hrncic D, Hoppe U, Hammerer M, Hinterbuchner L, Hengstenberg C, Delle Karth G, Lang I, Weidinger F, Winkler W, Hasun M, Kastner J, Havel C, Derntl M, Oberegger G, Hajos J, Adlbrecht C, Publig T, Leitgeb MC, Wilfing R, Jirak P, Ho CY, Puskas L, Schrutka L, Spinar J, Parenica J, Hlinomaz O, Fendrychova V, Semenka J, Sikora J, Sitar J, Groch L, Rezek M, Novak M, Kramarikova P, Stasek J, Dusek J, Zdrahal P, Polasek R, Karasek J, Seiner J, Sukova N, Varvarovsky I, Lazarák T, Novotny V, Matejka J, Rokyta R, Volovar S, Belohlavek J, Motovska Z, Siranec M, Kamenik M, Kralik R, Raungaard B, Ravkilde J, Jensen SE, Villadsen A, Villefrance K, Schmidt Skov C, Maeng M, Moeller K, Hasan-Ali H, Ahmed TA, Hassan M, ElGuindy A, Farouk Ismail M, Ibrahim Abd El-Aal A, El-sayed Gaafar A, Magdy Hassan H, Ahmed Shafie M, Nabil El-khouly M, Bendary A, Darwish M, Ahmed Y, Amin O, AbdElHakim A, Abosaif K, Kandil H, Galal MAG, El Hefny EE, El Sayed M, Aly K, Mokarrab M, Osman M, Abdelhamid M, Mantawy S, Ali MR, Kaky SD, Khalil VA, Saraya MEA, Talaat A, Nabil M, Mounir WM, Mahmoud K, Aransa A, Kazamel G, Anwar S, Al-Habbaa A, Abd el Monem M, Ismael A, Amin Abu-Sheaishaa M, Abd Rabou MM, Hammouda TMA, Moaaz M, Elkhashab K, Ragab T, Rashwan A, Rmdan A, AbdelRazek G, Ebeid H, Soliman Ghareeb H, Farag N, Zaki M, Seleem M, Torki A, Youssef M, AlLah Nasser NA, Rafaat A, Selim H, Makram MM, Khayyal M, Malasi K, Madkour A, Kolib M, Alkady H, Nagah H, Yossef M, Wafa A, Mahfouz E, Faheem G, Magdy Moris M, Ragab A, Ghazal M, Mabrouk A, Hassan M, El-Masry M, Naseem M, Samir S, Marandi T, Reinmets J, Allvee M, Saar A, Ainla T, Vaide A, Kisseljova M, Pakosta U, Eha J, Lotamois K, Sia J, Myllymaki J, Pinola T, Karjalainen PP, Paana T, Mikkelsson J, Ampio M, Tsivilasvili J, Zurab P, Kereselidze Z, Agladze R, Melia A, Gogoberidze D, Khubua N, Totladze L, Metreveli I, Chikovani A, Eitel I, Pöss J, Werner M, Constantz A, Ahrens C, Zeymer U, Tolksdorf H, Klinger S, Sack S, Heer T, Lekakis J, Kanakakis I, Xenogiannis I, Ermidou K, Makris N, Ntalianis A, Katsaros F, Revi E, Kafkala K, Mihelakis E, Diakakis G, Grammatikopoulos K, Voutsinos D, Alexopoulos D, Xanthopoulou I, Mplani V, Foussas S, Papakonstantinou N, Patsourakos N, Dimopoulos A, Derventzis A, Athanasiou K, Vassilikos VP, Papadopoulos C, Tzikas S, Vogiatzis I, Datsios A, Galitsianos I, Koutsampasopoulos K, Grigoriadis S, Douras A, Baka N, Spathis S, Kyrlidis T, Hatzinikolaou H, Kiss RG, Becker D, Nowotta F, Tóth K, Szabó S, Lakatos C, Jambrik Z, Ruzsa J, Ruzsa Z, Róna S, Toth J, Vargane Kosik A, Toth KSB, Nagy GG, Ondrejkó Z, Körömi Z, Botos B, Pourmoghadas M, Salehi A, Massoumi G, Sadeghi M, Soleimani A, Sarrafzadegan N, Roohafza H, Azarm M, Mirmohammadsadeghi A, Rajabi D, Rahmani Y, Siabani S, Najafi F, Hamzeh B, Karim H, Siabani H, Saleh N, Charehjoo H, Zamzam L, Al-Temimi G, Al-Farhan H, Al-Yassin A, Mohammad A, Ridha A, Al-Saedi G, Atabi N, Sabbar O, Mahmood S, Dakhil Z, Yaseen IF, Almyahi M, Alkenzawi H, Alkinani T, Alyacopy A, Kearney P, Twomey K, Iakobishvili Z, Shlomo N, Beigel R, Caldarola P, Rutigliano D, Sublimi Saponetti L, Locuratolo N, Palumbo V, Scherillo M, Formigli D, Canova P, Musumeci G, Roncali F, Metra M, Lombardi C, Visco E, Rossi L, Meloni L, Montisci R, Pippia V, Marchetti MF, Congia M, Cacace C, Luca G, Boscarelli G, Indolfi C, Ambrosio G, Mongiardo A, Spaccarotella C, De Rosa S, Canino G, Critelli C, Caporale R, Chiappetta D, Battista F, Gabrielli D, Marziali A, Bernabò P, Navazio A, Guerri E, Manca F, Gobbi M, Oreto G, Andò G, Carerj S, Saporito F, Cimmino M, Rigo F, Zuin G, Tuccillo B, Scotto di Uccio F, Irace L, Lorenzoni G, Meloni I, Merella P, Polizzi GM, Pino R, Marzilli M, Morrone D, Caravelli P, Orsini E, Mosa S, Piovaccari G, Santarelli A, Cavazza C, Romeo F, Fedele F, Mancone M, Straito M, Salvi N, Scarparo P, Severino P, Razzini C, Massaro G, Cinque A, Gaudio C, Barillà F, Torromeo C, Porco L, Mei M, Iorio R, Nassiacos D, Barco B, Sinagra G, Falco L, Priolo L, Perkan A, Strana M, Bajraktari G, Percuku L, Berisha G, Mziu B, Beishenkulov M, Abdurashidova T, Toktosunova A, Kaliev K, Serpytis P, Serpytis R, Butkute E, Lizaitis M, Broslavskyte M, Xuereb RG, Moore AM, Mercieca Balbi M, Paris E, Buttigieg L, Musial W, Dobrzycki S, Dubicki A, Kazimierczyk E, Tycinska A, Wojakowski W, Kalanska-Lukasik B, Ochala A, Wanha W, Dworowy S, Sielski J, Janion M, Janion-Sadowska A, Dudek D, Wojtasik-Bakalarz J, Bryniarski L, Peruga JZ, Jonczyk M, Jankowski L, Klecha A, Legutko J, Michalowska J, Brzezinski M, Kozmik T, Kowalczyk T, Adamczuk J, Maliszewski M, Kuziemka P, Plaza P, Jaros A, Pawelec A, Sledz J, Bartus S, Zmuda W, Bogusz M, Wisnicki M, Szastak G, Adamczyk M, Suska M, Czunko P, Opolski G, Kochman J, Tomaniak M, Miernik S, Paczwa K, Witkowski A, Opolski MP, Staruch AD, Kalarus Z, Honisz G, Mencel G, Swierad M, Podolecki T, Marques J, Azevedo P, Pereira MA, Gaspar A, Monteiro S, Goncalves F, Leite L, Mimoso J, Manuel Lopes dos Santos W, Amado J, Pereira D, Silva B, Caires G, Neto M, Rodrigues R, Correia A, Freitas D, Lourenco A, Ferreira F, Sousa F, Portugues J, Calvo L, Almeida F, Alves M, Silva A, Caria R, Seixo F, Militaru C, Ionica E, Tatu-Chitoiu G, Istratoaie O, Florescu M, Lipnitckaia E, Osipova O, Konstantinov S, Bukatov V, Vinokur T, Egorova E, Nefedova E, Levashov S, Gorbunova A, Redkina M, Karaulovskaya N, Bijieva F, Babich N, Smirnova O, Filyanin R, Eseva S, Kutluev A, Chlopenova A, Shtanko A, Kuppar E, Shaekhmurzina E, Ibragimova M, Mullahmetova M, Chepisova M, Kuzminykh M, Betkaraeva M, Namitokov A, Khasanov N, Baleeva L, Galeeva Z, Magamedkerimova F, Ivantsov E, Tavlueva E, Kochergina A, Sedykh D, Kosmachova E, Skibitskiy V, Porodenko N, Namitokov A, Litovka K, Ulbasheva E, Niculina S, Petrova M, Harkov E, Tsybulskaya N, Lobanova A, Chernova A, Kuskaeva A, Kuskaev A, Ruda M, Zateyshchikov D, Gilarov M, Konstantinova E, Koroleva O, Averkova A, Zhukova N, Kalimullin D, Borovkova N, Tokareva A, Buyanova M, Khaisheva L, Pirozhenko A, Novikova T, Yakovlev A, Tyurina T, Lapshin K, Moroshkina N, Kiseleva M, Fedorova S, Krylova L, Duplyakov D, Semenova Y, Rusina A, Ryabov V, Syrkina A, Demianov S, Reitblat O, Artemchuk A, Efremova E, Makeeva E, Menzorov M, Shutov A, Klimova N, Shevchenko I, Elistratova O, Kostyuckova O, Islamov R, Budyak V, Ponomareva E, Ullah Jan U, Alshehri AM, Sedky E, Alsihati Z, Mimish L, Selem A, Malik A, Majeed O, Altnji I, AlShehri M, Aref A, AlHabib K, AlDosary M, Tayel S, Abd AlRahman M, Asfina KN, Abdin Hussein G, Butt M, Markovic Nikolic N, Obradovic S, Djenic N, Brajovic M, Davidovic A, Romanovic R, Novakovic V, Dekleva M, Spasic M, Dzudovic B, Jovic Z, Cvijanovic D, Veljkovic S, Ivanov I, Cankovic M, Jarakovic M, Kovacevic M, Trajkovic M, Mitov V, Jovic A, Hudec M, Gombasky M, Sumbal J, Bohm A, Baranova E, Kovar F, Samos M, Podoba J, Kurray P, Obona T, Remenarikova A, Kollarik B, Verebova D, Kardosova G, Studencan M, Alusik D, Macakova J, Kozlej M, Bayes-Genis A, Sionis A, Garcia Garcia C, Lidon RM, Duran Cambra A, Labata Salvador C, Rueda Sobella F, Sans Rosello J, Vila Perales M, Oliveras Vila T, Ferrer Massot M, Bañeras J, Lekuona I, Zugazabeitia G, Fernandez-Ortiz A, Viana Tejedor A, Ferrera C, Alvarez V, Diaz-Castro O, Agra-Bermejo RM, Gonzalez-Cambeiro C, Gonzalez-Babarro E, Domingo-Del Valle J, Royuela N, Burgos V, Canteli A, Castrillo C, Cobo M, Ruiz M, Abu-Assi E, Garcia Acuna JM. The ESC ACCA EAPCI EORP acute coronary syndrome ST-elevation myocardial infarction registry. European Heart Journal - Quality of Care and Clinical Outcomes 2019; 6:100-104. [DOI: 10.1093/ehjqcco/qcz042] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2019] [Accepted: 07/24/2019] [Indexed: 12/20/2022]
Abstract
Abstract
Aims
The Acute Cardiac Care Association (ACCA)–European Association of Percutaneous Coronary Intervention (EAPCI) Registry on ST-elevation myocardial infarction (STEMI) of the EurObservational programme (EORP) of the European Society of Cardiology (ESC) registry aimed to determine the current state of the use of reperfusion therapy in ESC member and ESC affiliated countries and the adherence to ESC STEMI guidelines in patients with STEMI.
Methods and results
Between 1 January 2015 and 31 March 2018, a total of 11 462 patients admitted with an initial diagnosis of STEMI according to the 2012 ESC STEMI guidelines were enrolled. Individual patient data were collected across 196 centres and 29 countries. Among the centres, there were 136 percutaneous coronary intervention centres and 91 with cardiac surgery on-site. The majority of centres (129/196) were part of a STEMI network. The main objective of this study was to describe the demographic, clinical, and angiographic characteristics of patients with STEMI. Other objectives include to assess management patterns and in particular the current use of reperfusion therapies and to evaluate how recommendations of most recent STEMI European guidelines regarding reperfusion therapies and adjunctive pharmacological and non-pharmacological treatments are adopted in clinical practice and how their application can impact on patients’ outcomes. Patients will be followed for 1 year after admission.
Conclusion
The ESC ACCA-EAPCI EORP ACS STEMI registry is an international registry of care and outcomes of patients hospitalized with STEMI. It will provide insights into the contemporary patient profile, management patterns, and 1-year outcome of patients with STEMI.
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Affiliation(s)
- Uwe Zeymer
- Hospital of the City of Ludwigshafen, Medical Clinic B and Institute of Heart Attack Research, Ludwigshafen on the Rhine, Germany
| | - Peter Ludman
- Institute of Cardiovascular Sciences, Birmingham University, Birmingham, UK
| | - Nicolas Danchin
- Cardiology Department, Georges Pompidou European Hospital, Paris, France
| | - Petr Kala
- Internal Cardiology Department, University Hospital Brno, Czech Republic
| | - Aldo P Maggioni
- EURObservational Research Programme, ESC, Sophia Antipolis, France
- ANMCO Research Center, Florence, Italy
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Herrera A, Chen R, Palmer J, Tsai N, McBride K, Song J, Mei M, Zain J, Nikolaenko L, Popplewell L, Nademanee A, Rosen S, Kwak L, Lee H, Forman S. PET-ADAPTED NIVOLUMAB +/- ICE AS INITIAL SALVAGE THERAPY IN RELAPSED/REFRACTORY HODGKIN LYMPHOMA. Hematol Oncol 2019. [DOI: 10.1002/hon.102_2630] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- A.F. Herrera
- Hematology and Hematopoietic Cell Transplantation; City of Hope Medical Center; Duarte United States
| | - R. Chen
- Hematology and Hematopoietic Cell Transplantation; City of Hope Medical Center; Duarte United States
| | - J. Palmer
- Clinical Research; City of Hope Medical Center; Duarte United States
| | - N. Tsai
- Information Sciences; City of Hope Medical Center; Duarte United States
| | - K. McBride
- Hematology and Hematopoietic Cell Transplantation; City of Hope Medical Center; Duarte United States
| | - J. Song
- Pathology; City of Hope Medical Center; Duarte United States
| | - M. Mei
- Hematology and Hematopoietic Cell Transplantation; City of Hope Medical Center; Duarte United States
| | - J. Zain
- Hematology and Hematopoietic Cell Transplantation; City of Hope Medical Center; Duarte United States
| | - L. Nikolaenko
- Hematology and Hematopoietic Cell Transplantation; City of Hope Medical Center; Duarte United States
| | - L. Popplewell
- Hematology and Hematopoietic Cell Transplantation; City of Hope Medical Center; Duarte United States
| | - A. Nademanee
- Hematology and Hematopoietic Cell Transplantation; City of Hope Medical Center; Duarte United States
| | - S. Rosen
- Hematology and Hematopoietic Cell Transplantation; City of Hope Medical Center; Duarte United States
| | - L. Kwak
- Hematology and Hematopoietic Cell Transplantation; City of Hope Medical Center; Duarte United States
| | - H. Lee
- Lymphoma & Myeloma; MD Anderson Cancer Center; Houston United States
| | - S. Forman
- Hematology and Hematopoietic Cell Transplantation; City of Hope Medical Center; Duarte United States
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11
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Xu Y, Zhou X, Mei M, Ren Y. Reprograming Carcinoma Associated Fibroblasts by microRNAs. Curr Mol Med 2019; 17:341-349. [PMID: 29210650 DOI: 10.2174/1566524018666171205113959] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [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: 07/19/2017] [Revised: 10/31/2017] [Accepted: 11/28/2017] [Indexed: 11/22/2022]
Abstract
Carcinoma-associated fibroblasts (CAFs) are activated fibroblasts during development of several cancer types, and therefore emerge as an attractive therapeutic target for cancer therapy. Drugs such as PT-100 and sibrotuzumab that block the functions of CAFs have already been in clinical trials. However, these drugs exhibit limited efficacy in patients, partially due to the fact that currently used biomarkers for determining efficacy are not CAF-specific. Furthermore, depletion of CAFs may promote carcinogenesis and accelerate cancer progression by inducing immunosuppression and hypoxia, leading to reduced survival. Accumulating evidence demonstrates that restoring the expression of key microRNA induces the functional conversion of CAFs into normal fibroblasts by targeting different signaling pathways and metabolic mechanisms. Therefore, reprograming CAFs into normal fibroblasts by altering specific expression of microRNAs, rather than targeted ablation, may be an effective, novel strategy for cancer treatment. This review focuses on specific microRNAs involved in the transformation of CAFs as well as their multiple roles during tumorigenesis and chemo-resistance.
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Affiliation(s)
- Y Xu
- Research Center of Basic Medical Science, Tianjin Medical University, Tianjin 300070. China
| | - X Zhou
- The Department of Maxillofacial and Otorhinolaryngology Oncology, Tianjin Medical University, Cancer Institute & Hospital, Key Laboratory of Cancer Prevention and Therapy, Tianjin Cancer Institute, National Clinical Research Center of Cancer, Tianjin 300060. China
| | - M Mei
- Research Center of Basic Medical Science, Tianjin Medical University, Tianjin 300070. China
| | - Y Ren
- Research Center of Basic Medical Science, Tianjin Medical University, Tianjin 300070. China
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12
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Zhao B, Chen Y, Hao Y, Yang N, Wang M, Mei M, Wang J, Qiu X, Wu X. Transcriptomic analysis reveals differentially expressed genes associated with wool length in rabbit. Anim Genet 2018; 49:428-437. [DOI: 10.1111/age.12701] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/28/2018] [Indexed: 12/24/2022]
Affiliation(s)
- B. Zhao
- College of Animal Science and Technology; Yangzhou University; 225009 Yangzhou Jiangsu China
| | - Y. Chen
- College of Animal Science and Technology; Yangzhou University; 225009 Yangzhou Jiangsu China
| | - Y. Hao
- Joint International Research Laboratory of Agriculture & Agri-Product Safety; Yangzhou University; 225009 Yangzhou Jiangsu China
| | - N. Yang
- Joint International Research Laboratory of Agriculture & Agri-Product Safety; Yangzhou University; 225009 Yangzhou Jiangsu China
| | - M. Wang
- Joint International Research Laboratory of Agriculture & Agri-Product Safety; Yangzhou University; 225009 Yangzhou Jiangsu China
| | - M. Mei
- College of Animal Science and Technology; Yangzhou University; 225009 Yangzhou Jiangsu China
| | - J. Wang
- College of Animal Science and Technology; Yangzhou University; 225009 Yangzhou Jiangsu China
| | - X. Qiu
- College of Animal Science and Technology; Yangzhou University; 225009 Yangzhou Jiangsu China
| | - X. Wu
- College of Animal Science and Technology; Yangzhou University; 225009 Yangzhou Jiangsu China
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13
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Herrera AF, Palmer J, Martin P, Armenian S, Tsai NC, Kennedy N, Sahebi F, Cao T, Budde LE, Mei M, Siddiqi T, Popplewell L, Rosen ST, Kwak LW, Nademanee A, Forman SJ, Chen R. Autologous stem-cell transplantation after second-line brentuximab vedotin in relapsed or refractory Hodgkin lymphoma. Ann Oncol 2018; 29:724-730. [PMID: 29272364 PMCID: PMC5889038 DOI: 10.1093/annonc/mdx791] [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] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Background We previously demonstrated that brentuximab vedotin (BV) used as second-line therapy in patients with Hodgkin lymphoma is a tolerable and effective bridge to autologous hematopoietic cell transplantation (AHCT). Here, we report the post-AHCT outcomes of patients treated with second-line standard/fixed-dose BV and an additional cohort of patients where positron-emission tomography adapted dose-escalation of second-line BV was utilized. Patients and methods Patients on the dose-escalation cohort received 1.8 mg/kg of BV intravenously every 3 weeks for two cycles. Patients in complete remission (CR) after two cycles received two additional cycles of BV at 1.8 mg/kg, while patients with stable disease or partial response were escalated to 2.4 mg/kg for two cycles. All patients, regardless of treatment cohort, proceeded directly to AHCT or received additional pre-AHCT therapy at the discretion of the treating physician based on remission status after second-line BV. Results Of the 20 patients enrolled to the BV dose-escalation cohort, 8 patients underwent BV dose-escalation. BV escalation was well-tolerated, but no patients who were escalated converted to CR. Of 56 evaluable patients treated across cohorts, the overall response rate (ORR) to second-line BV was 75% with 43% CR. Twenty-eight (50%) patients proceeded directly to AHCT without post-BV chemotherapy, and a total of 50 patients proceeded to AHCT. Thirteen patients received consolidative post-AHCT therapy with either radiation, BV, or a PD-1 inhibitor. After AHCT, the 2-year progression-free survival (PFS) and overall survival were 67% and 93%, respectively. The 2-year PFS among patients in CR at the time of AHCT (n = 37) was 71% compared with 54% in patients not in CR (p = 0.12). The 2-year PFS in patients who proceeded to AHCT directly after receiving BV alone was 77%. Conclusions Second-line BV is an effective bridge to AHCT that produces responses of sufficient depth to provide durable remission in conjunction with AHCT (clinicaltrials.gov: NCT01393717).
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Affiliation(s)
- A F Herrera
- Department of Hematology and Hematopoietic Cell Transplantation, Division of Biostatistics, City of Hope, Duarte, USA
| | - J Palmer
- Department of Information Sciences, Division of Biostatistics, City of Hope, Duarte, USA
| | - P Martin
- Department of Hematology/Oncology, Weill Cornell Medical College, New York, USA
| | - S Armenian
- Department of Population Sciences, City of Hope, Duarte, USA
| | - N-C Tsai
- Department of Information Sciences, Division of Biostatistics, City of Hope, Duarte, USA
| | - N Kennedy
- Department of Hematology and Hematopoietic Cell Transplantation, Division of Biostatistics, City of Hope, Duarte, USA
| | - F Sahebi
- Department of Hematology and Hematopoietic Cell Transplantation, Division of Biostatistics, City of Hope, Duarte, USA
| | - T Cao
- Department of Hematology and Hematopoietic Cell Transplantation, Division of Biostatistics, City of Hope, Duarte, USA
| | - L E Budde
- Department of Hematology and Hematopoietic Cell Transplantation, Division of Biostatistics, City of Hope, Duarte, USA
| | - M Mei
- Department of Hematology and Hematopoietic Cell Transplantation, Division of Biostatistics, City of Hope, Duarte, USA
| | - T Siddiqi
- Department of Hematology and Hematopoietic Cell Transplantation, Division of Biostatistics, City of Hope, Duarte, USA
| | - L Popplewell
- Department of Hematology and Hematopoietic Cell Transplantation, Division of Biostatistics, City of Hope, Duarte, USA
| | - S T Rosen
- Department of Hematology and Hematopoietic Cell Transplantation, Division of Biostatistics, City of Hope, Duarte, USA
| | - L W Kwak
- Department of Hematology and Hematopoietic Cell Transplantation, Division of Biostatistics, City of Hope, Duarte, USA
| | - A Nademanee
- Department of Hematology and Hematopoietic Cell Transplantation, Division of Biostatistics, City of Hope, Duarte, USA
| | - S J Forman
- Department of Hematology and Hematopoietic Cell Transplantation, Division of Biostatistics, City of Hope, Duarte, USA
| | - R Chen
- Department of Hematology and Hematopoietic Cell Transplantation, Division of Biostatistics, City of Hope, Duarte, USA.
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Affiliation(s)
- E. Tosoni
- Dipartimento di Biologia e Biotecnologie “Charles Darwin”, Università di Roma La Sapienza, Roma, Italy
- Ente Parco Nazionale D’Abruzzo, Lazio e Molise, Pescasseroli, Italy
| | - M. Mei
- Dipartimento di Biologia e Biotecnologie “Charles Darwin”, Università di Roma La Sapienza, Roma, Italy
| | - P. Ciucci
- Dipartimento di Biologia e Biotecnologie “Charles Darwin”, Università di Roma La Sapienza, Roma, Italy
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Burrascano S, Copiz R, Del Vico E, Fagiani S, Giarrizzo E, Mei M, Mortelliti A, Sabatini FM, Blasi C. Wild boar rooting intensity determines shifts in understorey composition and functional traits. COMMUNITY ECOL 2015. [DOI: 10.1556/168.2015.16.2.12] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Kong L, Zhou X, Wu Y, Wang Y, Chen L, Li P, Liu S, Sun S, Ren Y, Mei M, Wang X, Zhang L. Targeting HOTAIR induces mitochondria related apoptosis and inhibits tumor growth in head and neck squamous cell carcinoma in vitro and in vivo. Curr Mol Med 2015; 15:952-60. [DOI: 10.2174/1566524016666151123112716] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2015] [Revised: 10/15/2015] [Accepted: 11/20/2015] [Indexed: 11/22/2022]
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Li J, Cong X, Zhang Y, Xiang R, Mei M, Yang N, Su Y, Choi S, Park K, Zhang L, Wu L, Yu G. ZO-1 and -2 Are Required for TRPV1-Modulated Paracellular Permeability. J Dent Res 2015; 94:1748-56. [DOI: 10.1177/0022034515609268] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
The tight junction–based paracellular pathway plays an important role in saliva secretion. Zonula occludens (ZO) proteins are submembranous proteins of tight junction complex; however, their function in salivary epithelium is poorly understood. Here, we found that activation of transient receptor potential vanilloid subtype 1 (TRPV1) by capsaicin increased rat saliva secretion both in vivo and ex vivo. Meanwhile, TRPV1 activation enlarged the width of tight junctions between neighboring acinar cells, increased the paracellular flux of 4-kDa fluorescein isothiocyanate (FITC)-dextran in submandibular gland (SMG) tissues, and decreased transepithelial electric resistance (TER) in SMG-C6 cells. ZO-1, -2, and -3 were distributed principally to the apical lateral region of acinar cells in SMG tissues and continuously encircled the peripheries of SMG-C6 cells in the untreated condition. TRPV1 activation obviously diminished ZO-1 and -2 staining, but not ZO-3 or β-catenin, at the cell-cell contacts ex vivo and in vitro. Moreover, in untreated SMG-C6 cells, ZO-1 and -2 single or double knockdown by small interfering RNA (siRNA) increased the paracellular flux of 4-kDa FITC-dextran. In capsaicin-treated cells, ZO-1 and -2 single or double knockdown abolished, whereas their re-expression restored, the capsaicin-induced increase in paracellular permeability. Furthermore, TRPV1 activation increased RhoA activity, and inhibition of either RhoA or Rho kinase (ROCK) abolished the capsaicin-induced TER decrease as well as ZO-1 and -2 redistribution. These results indicate that ZO-1 and -2 play crucial roles in both basal salivary epithelial barrier function and TRPV1-modulated paracellular transport. RhoA-ROCK signaling pathway is responsible for TRPV1-modulated paracellular permeability as well as ZO-1 and -2 redistribution.
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Affiliation(s)
- J. Li
- Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, Beijing, China
| | - X. Cong
- Department of Physiology and Pathophysiology, Peking University Health Science Center, Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education and Beijing Key Laboratory of Cardiovascular Receptors Research, Beijing, China
| | - Y. Zhang
- Department of Physiology and Pathophysiology, Peking University Health Science Center, Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education and Beijing Key Laboratory of Cardiovascular Receptors Research, Beijing, China
| | - R.L. Xiang
- Department of Physiology and Pathophysiology, Peking University Health Science Center, Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education and Beijing Key Laboratory of Cardiovascular Receptors Research, Beijing, China
| | - M. Mei
- Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, Beijing, China
| | - N.Y. Yang
- Department of Pediatric Dentistry, Beijing Stomatological Hospital, Capital Medical University, Beijing, China
| | - Y.C. Su
- Department of Physiology and Pathophysiology, Peking University Health Science Center, Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education and Beijing Key Laboratory of Cardiovascular Receptors Research, Beijing, China
| | - S. Choi
- Department of Physiology, School of Dentistry, Seoul National University, Seoul, South Korea
| | - K. Park
- Department of Physiology, School of Dentistry, Seoul National University, Seoul, South Korea
| | - L.W. Zhang
- Department of Oral Medicine, Peking University School and Hospital of Stomatology, Beijing, China
| | - L.L. Wu
- Department of Physiology and Pathophysiology, Peking University Health Science Center, Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education and Beijing Key Laboratory of Cardiovascular Receptors Research, Beijing, China
| | - G.Y. Yu
- Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, Beijing, China
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Yin Y, Mei M, Zhang D, Zhang S, Fan A, Zhou H, Li Z. The Construction of Cloned Sika Deer Embryos (
Cervus nippon hortulorum
) by Demecolcine Auxiliary Enucleation. Reprod Domest Anim 2013; 49:164-9. [DOI: 10.1111/rda.12246] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2013] [Accepted: 09/18/2013] [Indexed: 11/29/2022]
Affiliation(s)
- Y Yin
- Jilin Provincial Key Laboratory of Animal Embryo Engineering The Center for Animal Embryo Engineering of Jilin Province, College of Animal Science and Veterinary Medicine, Jilin University Changchun Jilin
- College of Veterinary Medicine, Northwest A & F University Yangling Shaanxi
| | - M Mei
- Heping Campus Hospital Jilin University Changchun Jilin
| | - D Zhang
- Hebei University of Engineering Handan Hebei
| | - S Zhang
- Jilin Provincial Key Laboratory of Animal Embryo Engineering The Center for Animal Embryo Engineering of Jilin Province, College of Animal Science and Veterinary Medicine, Jilin University Changchun Jilin
| | - A Fan
- Jilin Provincial Key Laboratory of Animal Embryo Engineering The Center for Animal Embryo Engineering of Jilin Province, College of Animal Science and Veterinary Medicine, Jilin University Changchun Jilin
| | - H Zhou
- Department of Genetics Inner Mongolia Medical College Hohhot Inner Mongolia China
| | - Z Li
- Jilin Provincial Key Laboratory of Animal Embryo Engineering The Center for Animal Embryo Engineering of Jilin Province, College of Animal Science and Veterinary Medicine, Jilin University Changchun Jilin
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Cheng Q, Xia W, Yang S, Ye P, Mei M, Song Y, Luo M, Li Q. Association of serum pigment epithelium-derived factor with high-sensitivity C-reactive protein in women with polycystic ovary syndrome. J Endocrinol Invest 2013; 36:632-5. [PMID: 24105071 DOI: 10.1007/bf03346755] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
BACKGROUND The basic studies showed that Pigment epithelium-derived factor (PEDF) plays an important role in inflammation. AIM This study aims to investigate the association of serum PEDF with high-sensitivity C-reactive protein (hs-CRP) in women with polycystic ovary syndrome (PCOS). METHODS Ninety-six PCOS women and 63 healthy, age-matched controls were enrolled in this study. Serum levels of PEDF, hs-CRP, Complement C3 (C3), glucose, insulin, lipids, and total testosterone were measured. Ninety-six PCOS women and 20 controls underwent hyperinsulinemiceuglycemic clamp to assess their insulin sensitivity, which was expressed as M value. RESULTS Serum PEDF levels and hs- CRP levels were much higher in PCOS women than in controls. In PCOS women, PEDF positively correlated with body mass index (BMI), hs-CRP, C3, LDL cholesterol (LDL-c), and systolic blood pressure (SBP), and negatively correlated with M value and HDL cholesterol (HDL-c). After controlling for BMI, PEDF was still positively correlated with hs-CRP. Multiple linear regression analysis revealed that in PCOS women, hs-CRP, SBP, LDL-c and M value were independent determinants of serum PEDF. CONCLUSION The serum PEDF levels are closely associated with hs-CRP in women with PCOS. PEDF may play a role in the development of chronic inflammation in PCOS.
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Affiliation(s)
- Q Cheng
- Department of Endocrinology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
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Tafaro L, Nati G, Leoni E, Baldini R, Cattaruzza MS, Mei M, Falaschi P. Adherence to anti-osteoporotic therapies: role and determinants of "spot therapy". Osteoporos Int 2013; 24:2319-23. [PMID: 23404614 DOI: 10.1007/s00198-013-2283-z] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2012] [Accepted: 01/03/2013] [Indexed: 01/22/2023]
Abstract
UNLABELLED A successful therapy needs high level of adherence consisting in right drug intake in terms of persistence and compliance. Our study suggests adherence is higher if spot (less than 30 days) therapies are excluded; the analysis of spot therapy causes underlines the importance of the interpersonal aspects of medical practice. INTRODUCTION A successful therapy needs a high level of adherence consisting in right drug intake in terms of persistence and compliance. The aim of this study was to evaluate anti-osteoporotic therapies recorded in general practitioner databases in the area of Rome, which used the same computerized medical record management. The study focused on evaluating therapy adherence, any adherence changes excluding spot therapies (less than 30 days), and any cause of early therapy discontinuation in a subgroup of patients randomly selected. METHODS Thirty-one databases were evaluated, including a total of 6,390 anti-osteoporotic therapies: 5,853 were prescribed to women and 537 to men. The prescribed drugs were: vitamin D (13 %), calcium (8.7 %), vitamin D + calcium (40.1 %), raloxifene (3.3 %), alendronate (16.4 %), risedronate (7.7 %), clodronate (10.4 %), or other drugs (0.4 %). Spot therapies represented 53.7 % of the total prescriptions. The difference between adherence in the total group (24.64 %) and the group excluding spot therapies (43.38 %) is significant. The main factors influencing low adherence were side effects (27 %), misinformation given by the physician (17 %), insufficient motivation (9 %), difficult intake (9 %), and no perceived benefits (9 %). RESULTS Our study suggests adherence is high and similar to other chronic diseases if spot therapies are excluded. The analysis of spot therapy causes suggests that an important role is played by the physician and the interpersonal aspects of medical practice, especially at the first prescriptions. CONCLUSIONS The physician should collaborate with patients in choosing a personalized medical treatment. Reducing spot therapy could be the real goal in order to improve anti-osteoporotic therapy adherence.
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Affiliation(s)
- L Tafaro
- Geriatric Unit, Sant'Andrea Hospital, Sapienza University of Rome, via di Grottarossa No. 1035, 00189 Rome, Italy
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Altman M, Bergerot C, Thibault H, Aussoleil A, Skuldadt Davidsen E, Barthelet M, Derumeaux GA, Grapsa J, Zimbarra Cabrita I, Afilalo J, Paschou S, Dawson D, Durighel G, O'regan D, Howard L, Gibbs J, Nihoyannopoulos P, Morenate Navio M, Mesa Rubio M, Ortega MD, Ruiz Ortiz M, Castillo Bernal F, Del Pino CL, Toledano F, Alvarez-Ossorio MP, Ojeda Pineda S, Lezo Cruz-Conde JSD, Jasaityte R, Claus P, Teske A, Herbots L, Verheyden B, Rademakers F, D'hooge J, Tocchetti CG, Coppola C, Rea D, Quintavalle C, Guarino L, Castaldo N, De Lorenzo C, Condorelli G, Arra C, Maurea N, Voilliot D, Huttin O, Camara Y, Djaballah W, Carillo S, Zinzius P, Sellal J, Angioi M, Juilliere Y, Selton-Suty C, Dobrowolski P, Klisiewicz A, Florczak E, Prejbisz A, Szwench E, Rybicka J, Januszewicz A, Hoffman P, Jurado Roman A, De Dios Perez S, De Nicolas JMM, Diaz Anton B, Rubio Alonso B, Martin Asenjo R, Mayordomo Gomez S, Villagraz Tecedor L, Blazquez L, De Meneses RT, Bernard A, Hernandez AI, Reynaud A, Lerclercq C, Daubert J, Donal E, Arjan Singh R, Sivarani S, Lim S, Azman W, Almeida M, Cardim N, Fonseca V, Carmelo V, Santos S, Santos T, Toste J, Kosmala W, Orda A, Karolko B, Mysiak A, Przewlocka-Kosmala M, Farsalinos K, Tsiapras D, Kyrzopoulos S, Avramidou E, Vassilopoulou D, Voudris V, Hayrapetyan H, Adamyan K, Jurado Roman A, De Dios Perez S, Rubio Alonso B, De Nicolas JMM, Diaz Anton B, Martin Asenjo R, Montero Cabezas J, Granda Nistal C, Garcia Aranda B, Sanchez Sanchez V, Sestito A, Lamendola P, Di Franco A, Lauria C, Lanza G, Kukucka M, Unbehaun A, Buz S, Mladenow A, Kuppe H, Pasic M, Habazettl H, Gemma D, Montoro Lopez N, De Celix MGR, Lopez Fernandez T, De Torres Alba F, Del Valle DI, Ramirez U, Mesa J, Moreno Yanguela M, Lopez Sendon J, Eveborn GW, Schirmer H, Lunde P, Heggelund G, Rasmussen K, Wang Z, Lasota B, Mizia-Stec K, Mizia M, Chmiel A, Adamczyk T, Chudek J, Gasior Z, Venkatesh A, Johnson J, Sahlen A, Brodin L, Winter R, Shahgaldi K, Manouras A, Valbuena S, Iniesta A, Lopez T, De Torres F, Salinas P, Garcia S, Ramirez U, Mesa J, Moreno M, Lopez-Sendon J, Lebid I, Kobets T, Kuzmenko T, Katsanos S, Yiu K, Clavel M, Nina Ajmone N, Van Der Kley F, Rodes Cabau J, Schalij M, Bax J, Pibarot P, Delgado V, Fusini L, Tamborini G, Muratori M, Gripari P, Marsan N, Cefalu' C, Ewe S, Maffessanti F, Delgado V, Pepi M, Hasselberg N, Haugaa K, Petri H, Berge K, Leren T, Bundgaard H, Edvardsen T, Ancona R, Comenale Pinto S, Caso P, Coppola M, Rapisarda O, Cavallaro C, Vecchione F, D'onofrio A, Calabro' R, Rimbas R, Mihaila S, Enescu O, Patrascu N, Dragoi R, Rimbas M, Pop C, Vinereanu D, Gustafsson S, Morner S, Gronlund C, Suhr O, Lindqvist P, Di Bella G, Zito C, Minutoli F, Madaffari A, Cusma Piccione M, Mazzeo A, Massimo R, Pasquale M, Vita G, Carerj S, Rangel I, Goncalves A, Sousa C, Correia A, Martins E, Silva-Cardoso J, Macedo F, Maciel M, Pfeiffer B, Rigopoulos A, Seggewiss H, Alvarez Fuente M, Sainz Costa T, Medrano C, Navarro M, Blazquez Gamero D, Ramos J, Mellado M, De Jose M, Munoz M, Maroto E, Gargani L, Gosciniak P, Pratali L, Agoston G, Bruni C, Guiducci S, Matucci Cerinic M, Varga A, Sicari R, Picano E, Yiu K, Zhao C, Mei M, Yeung C, Siu C, Tse H, Florescu M, Enescu O, Magda L, Mincu R, Vinereanu D, Daha I, Stanescu CM, Chirila L, Baicus C, Vlase A, Dan G, Montoro Lopez M, Florez Gomez R, Alonso Ladreda A, Itziar Soto C, Rios Blanco J, Gemma D, De Torres Alba F, Moreno Yanguela M, Lopez Sendon J, Guzman Martinez G, Lichodziejewska B, Kurnicka K, Goliszek S, Kostrubiec M, Dzikowska-Diduch O, Ciurzynski M, Labyk A, Krupa M, Palczewski P, Pruszczyk P, De Sousa CC, Rangel I, Correia A, Martins E, Vigario A, Pinho T, Silva Cardoso J, Goncalves A, Macedo F, Maciel M, Park SJ, Song JE, Lee YJ, Ha MR, Chang SA, Choi JO, Lee SC, Park S, Oh J, Van De Bruaene A, De Meester P, Buys R, Vanhees L, Delcroix M, Voigt J, Budts W, Blundo A, Buccheri S, Monte IP, Leggio S, Tamburino C, Sotaquira M, Fusini L, Maffessanti F, Pepi M, Lang R, Caiani E, Floria M, De Roy L, Xhaet O, Blommaert D, Jamart J, Gerard M, Deceuninck O, Marchandise B, Seldrum S, Schroeder E, Unsworth B, Sohaib S, Kulwant-Kaur K, Malcolme-Lawes L, Kanagaratnam P, Malik I, Ren B, Mulder H, Haak A, Van Stralen M, Szili-Torok T, Pluim J, Geleijnse M, Bosch J, Baglini R, Amaducci A, D'ancona G, Van Den Oord S, Akkus Z, Bosch J, Ten Kate G, Renaud G, Sijbrands E, De Jong N, Van Der Lugt A, Van Der Steen A, Schinkel A, Bjallmark A, Larsson M, Grishenkov D, Brodin LA, Brismar T, Paradossi G, Sveen KA, Nerdrum T, Hanssen K, Dahl-Jorgensen K, Steine K, Cimino S, Pedrizzetti G, Tonti G, Canali E, Petronilli V, Cicogna F, Arcari L, De Luca L, Iacoboni C, Agati L, Abdel Moneim SS, Eifert Rain S, Bernier M, Bhat G, Hagen M, Bott-Kitslaar D, Castello R, Wilansky S, Pellikka P, Mulvagh S, Delithanasis I, Celutkiene J, Kenny C, Monaghan M, Park W, Hong G, Son J, Lee S, Kim U, Park J, Shin D, Kim Y, Toutouzas K, Drakopoulou M, Aggeli C, Felekos I, Nikolaou C, Synetos A, Stathogiannis K, Tsiamis E, Siores E, Stefanadis C, Plicht B, Kahlert P, Grave T, Buck T, Konorza T, Gursoy M, Gokdeniz T, Astarcioglu M, Bayram Z, Cakal B, Karakoyun S, Kalcik M, Acar R, Kahveci G, Ozkan M, Maffessanti F, Tamborini G, Tsang W, Weinert L, Gripari P, Fusini L, Muratori M, Caiani E, Lang R, Pepi M, Yurdakul S, Avci B, Sahin S, Dilekci B, Aytekin S, Ancona R, Comenale Pinto S, Caso P, Arenga F, Coppola M, Rapisarda O, Calabro' R, Hascoet S, Martin R, Dulac Y, Peyre M, Benzouid C, Hadeed K, Acar P, Celutkiene J, Zakarkaite D, Skorniakov V, Zvironaite V, Grabauskiene V, Burca J, Ciparyte L, Laucevicius A, Di Salvo G, Rea A, D'aiello A, Del Gaizo F, Pergola V, D'andrea A, Caso P, Pacileo G, Calabro R, Russo M, Dedobbeleer C, Hadefi A, Naeije R, Unger P, Mornos C, Cozma D, Ionac A, Mornos A, Valcovici M, Pescariu S, Petrescu L, Hu K, Liu D, Niemann M, Herrmann S, Cikes M, Stoerk S, Knop S, Ertl G, Bijnens B, Weidemann F, De Knegt M, Biering-Sorensen T, Sogaard P, Sivertsen J, Jensen J, Mogelvang R, Dedobbeleer C, Hadefi A, Unger P, Naeije R, Lam W, Tang M, Chan K, Yang Y, Fang F, Sun J, Yu C, Lam Y, Panoulas V, Sulemane S, Bratsas A, Konstantinou K, Nihoyannopoulos P, Cimino S, Canali E, Petronilli V, Cicogna F, Arcari L, De Luca L, Francone M, Iacoboni C, Agati L, Schau T, Seifert M, Ridjab D, Schoep M, Gottwald M, Neuss M, Meyhoefer J, Zaenker M, Butter C, Tarr A, Stoebe S, Pfeiffer D, Hagendorff A, Maret E, Ahlander BM, Bjorklund PG, Engvall J, Staskiewicz G, Czekajska-Chehab E, Adamczyk P, Siek E, Przybylski P, Maciejewski R, Drop A, Jimenez Rubio C, Isasti Aizpurua G, Miralles Ibarra J, Al-Mallah M, Somg T, Alam S, Chattahi J, Zweig B, Dhanalakota K, Boedeker S, Ananthasubramaniam K, Park C, March K, Jones S, Mayet J, Tillin T, Chaturvedi N, Hughes A, Hamodraka E, Kallistratos E, Karamanou A, Tsoukas T, Mavropoulos D, Kouremenos N, Zaharopoulou I, Nikolaidis N, Kremastinos D, Manolis A, Loboz-Rudnicka M, Jaroch J, Bociaga Z, Kruszynska E, Ciecierzynska B, Dziuba M, Dudek K, Uchmanowicz I, Loboz-Grudzien K, Silva D, Magalhaes A, Jorge C, Cortez-Dias N, Carrilho-Ferreira P, Silva Marques J, Portela I, Pascoa C, Nunes Diogo A, Brito D, Roosens B, Bala G, Droogmans S, Hostens J, Somja J, Delvenne E, Schiettecatte J, Lahoutte T, Van Camp G, Cosyns B. Poster Session: Right ventricular systolic function. Eur Heart J Cardiovasc Imaging 2012. [DOI: 10.1093/ehjci/jes268] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Mei M, Likova L. Opposite Training Effect in the Ventral Pathway for Tactile Face Perception in Congenital and Late-Onset Blindness. J Vis 2012. [DOI: 10.1167/12.9.706] [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: 11/24/2022] Open
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Profit J, Gould JB, Zupancic JAF, Stark AR, Wall KM, Kowalkowski MA, Mei M, Pietz K, Thomas EJ, Petersen LA. Formal selection of measures for a composite index of NICU quality of care: Baby-MONITOR. J Perinatol 2011; 31:702-10. [PMID: 21350429 PMCID: PMC3205234 DOI: 10.1038/jp.2011.12] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2010] [Revised: 01/07/2011] [Accepted: 01/18/2011] [Indexed: 11/09/2022]
Abstract
OBJECTIVE To systematically rate measures of care quality for very low birth weight infants for inclusion into Baby-MONITOR, a composite indicator of quality. STUDY DESIGN Modified Delphi expert panelist process including electronic surveys and telephone conferences. Panelists considered 28 standard neonatal intensive care unit (NICU) quality measures and rated each on a 9-point scale taking into account pre-defined measure characteristics. In addition, panelists grouped measures into six domains of quality. We selected measures by testing for rater agreement using an accepted method. RESULT Of 28 measures considered, 13 had median ratings in the high range (7 to 9). Of these, 9 met the criteria for inclusion in the composite: antenatal steroids (median (interquartile range)) 9(0), timely retinopathy of prematurity exam 9(0), late onset sepsis 9(1), hypothermia on admission 8(1), pneumothorax 8(2), growth velocity 8(2), oxygen at 36 weeks postmenstrual age 7(2), any human milk feeding at discharge 7(2) and in-hospital mortality 7(2). Among the measures selected for the composite, the domains of quality most frequently represented included effectiveness (40%) and safety (30%). CONCLUSION A panel of experts selected 9 of 28 routinely reported quality measures for inclusion in a composite indicator. Panelists also set an agenda for future research to close knowledge gaps for quality measures not selected for the Baby-MONITOR.
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Affiliation(s)
- J Profit
- Section of Neonatology, Department of Pediatrics, Baylor College of Medicine, Texas Children's Hospital, Houston, TX, USA.
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Likova L, Mei M, Nicholas S. Does primary visual cortex operate in the universal language of modality-independent space? Insights from fMRI in the congenitally and late blind. J Vis 2011. [DOI: 10.1167/11.11.995] [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: 11/24/2022] Open
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25
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Minniti G, Armosini V, Salvati M, Lanzetta G, Caporello P, Mei M, Osti MF, Maurizi RE. Fractionated stereotactic reirradiation and concurrent temozolomide in patients with recurrent glioblastoma. J Neurooncol 2010; 103:683-91. [DOI: 10.1007/s11060-010-0446-8] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2010] [Accepted: 10/21/2010] [Indexed: 12/20/2022]
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26
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Mei M, Betts L, Wilkinson F, Wilson H. Adaptation to Up/Down Head Rotation in Face Selective Cortical Areas. J Vis 2010. [DOI: 10.1167/10.7.614] [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: 11/24/2022] Open
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27
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Mei M, Wilson H. Effects of normal aging on face view adaptation. J Vis 2010. [DOI: 10.1167/9.8.1059] [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: 11/24/2022] Open
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28
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Mei M, Leat S. Objective assessment of improved visibility with digital image enhancement for the visually impaired. J Vis 2010. [DOI: 10.1167/7.9.1045] [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: 11/24/2022] Open
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Biscardi S, Russo D, Casciani V, Cesarini D, Mei M, Boitani L. Foraging requirements of the endangered long-fingered bat: the influence of micro-habitat structure, water quality and prey type. J Zool (1987) 2007. [DOI: 10.1111/j.1469-7998.2007.00337.x] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Abstract
BACKGROUND Gene therapy could prevent bleeding in patients with hemophilia A, but might induce antibodies that block factor VIII (FVIII) function. OBJECTIVES To test the efficacy of gene therapy in the newborn period for preventing a response to human FVIII (hFVIII) because of immaturity of the immune system. METHODS Varying doses of a retroviral vector (RV) expressing a B domain-deleted hFVIII cDNA were injected i.v. into newborn hemophilia A C57BL/6 or normal C3H mice. Mice were evaluated for hFVIII expression, hemostasis, and development of anti-hFVIII antibodies with inhibitory activity. RESULTS AND CONCLUSIONS Injection of a high RV dose [10(10) transducing units (TU) kg(-1)] into newborn hemophilia A or C3H mice resulted in 61% and 13% of normal hFVIII antigen in plasma, respectively; most mice did not produce anti-hFVIII antibodies, and hemophilia A mice did not bleed. Furthermore, most mice with >20 ng mL(-1) of hFVIII in plasma (10% normal, 1 x 10(-10) m) were tolerant to hFVIII, as an antibody response was markedly reduced after challenge with hFVIII with or without adjuvant. However, most RV-treated animals with lower antigen levels developed antibodies before or after challenge. Thus, initiation of a gene therapy trial with low RV doses might increase inhibitor formation. Furthermore, frequent hFVIII infusions in newborns with hemophilia A might reduce inhibitor formation. Finally, difficulties in achieving tolerance after gene therapy for hemophilia A as compared to hemophilia B may relate to lower expression of FVIII than FIX, as high antigen levels are most effective at inducing tolerance.
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Affiliation(s)
- L Xu
- Department of Internal Medicine and Biochemistry, Washington University School of Medicine, St Louis, MO 63110, USA
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Mei M, Syed NH, Gao W, Thaxton PM, Smith CW, Stelly DM, Chen ZJ. Genetic mapping and QTL analysis of fiber-related traits in cotton ( Gossypium). Theor Appl Genet 2004; 108:280-91. [PMID: 14513220 DOI: 10.1007/s00122-003-1433-7] [Citation(s) in RCA: 86] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2003] [Accepted: 08/12/2003] [Indexed: 05/10/2023]
Abstract
Cotton, the leading natural fiber crop, is largely produced by two primary cultivated allotetraploid species known as Upland or American cotton ( Gossypium hirsutum L.) and Pima or Egyptian cotton ( G. barbadense L.). The allotetraploid species diverged from each other and from their diploid progenitors (A or D genome) through selection and domestication after polyploidization. To analyze cotton AD genomes and dissect agronomic traits, we have developed a genetic map in an F2 population derived from interspecific hybrids between G. hirsutum L. cv. Acala-44 and G. barbadense L. cv. Pima S-7. A total of 392 genetic loci, including 333 amplified fragment length polymorphisms (AFLPs), 47 simple sequence repeats (SSRs), and 12 restriction fragment length polymorphisms (RFLPs), were mapped in 42 linkage groups, which span 3,287 cM and cover approximately 70% of the genome. Using chromosomal aneuploid interspecific hybrids and a set of 29 RFLP and SSR framework markers, we assigned 19 linkage groups involving 223 loci to 12 chromosomes. Comparing four pairs of homoeologous chromosomes, we found that with one exception linkage distances in the A-subgenome chromosomes were larger than those in their D-subgenome homoeologues, reflecting higher recombination frequencies and/or larger chromosomes in the A subgenome. Segregation distortion was observed in 30 out of 392 loci mapped in cotton. Moreover, approximately 29% of the RFLPs behaved as dominant loci, which may result from rapid genomic changes. The cotton genetic map was used for quantitative trait loci (QTL) analysis using composite interval mapping and permutation tests. We detected seven QTLs for six fiber-related traits; five of these were distributed among A-subgenome chromosomes, the genome donor of fiber traits. The detection of QTLs in both the A subgenome in this study and the D subgenome in a previous study suggests that fiber-related traits are controlled by the genes in homoeologous genomes, which are subjected to selection and domestication. Some chromosomes contain clusters of QTLs and presumably contribute to the large amount of phenotypic variation that is present for fiber-related traits.
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Affiliation(s)
- M Mei
- Department of Soil and Crop Sciences, Texas A&M University, College Station, TX 77840-2474, USA
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32
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Povazay B, Bizheva K, Hermann B, Unterhuber A, Sattmann H, Fercher A, Drexler W, Schubert C, Ahnelt P, Mei M, Holzwarth R, Wadsworth W, Knight J, Russell PSJ. Enhanced visualization of choroidal vessels using ultrahigh resolution ophthalmic OCT at 1050 nm. Opt Express 2003; 11:1980-6. [PMID: 19466083 DOI: 10.1364/oe.11.001980] [Citation(s) in RCA: 73] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
In this article the ability of ultrahigh resolution ophthalmic optical coherence tomography (OCT) to image small choroidal blood vessels below the highly reflective and absorbing retinal pigment epithelium is demonstrated for the first time. A new light source (lambdac= 1050 nm, Deltalambda = 165 nm, Pout= 10 mW), based on a photonic crystal fiber pumped by a compact, self-starting Ti:Al2O3 laser has therefore been developed. Ex-vivo ultrahigh resolution OCT images of freshly excised pig retinas acquired with this light source demonstrate enhanced penetration into the choroid and better visualization of choroidal vessels as compared to tomograms acquired with a state-of-the art Ti:Al2O3 laser (Femtolasers Compact Pro, lc= 780 nm, Deltalambda= 160 nm, Pout= 400 mW), normally used in clinical studies for in vivo ultrahigh resolution ophthalmic OCT imaging. These results were also compared with retinal tomograms acquired with a novel, spectrally broadened fiber laser (MenloSystems, lambdac= 1350 nm, Deltalambda= 470 nm, Pout = 4 mW) permitting even greater penetration in the choroid. Due to high water absorption at longer wavelengths retinal OCT imaging at ~1300 nm may find applications in animal ophthalmic studies. Detection and follow-up of choroidal neovascularization improves early diagnosis of many retinal pathologies, e.g. age-related macular degeneration or diabetic retinopathy and can aid development of novel therapy approaches.
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Bizheva K, Povazay B, Hermann B, Sattmann H, Drexler W, Mei M, Holzwarth R, Hoelzenbein T, Wacheck V, Pehamberger H. Compact, broad-bandwidth fiber laser for sub-2-microm axial resolution optical coherence tomography in the 1300-nm wavelength region. Opt Lett 2003; 28:707-9. [PMID: 12747714 DOI: 10.1364/ol.28.000707] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
A novel, compact, user friendly fiber laser with a broad emission bandwidth (MenloSystems, lambdac = 1375 nm, deltalambda = 470 nm, Pout = 4 mW) was used to achieve unprecedented sub-2-microm axial resolution optical coherence tomography (OCT) in nontransparent biological tissue in the 1300-nm wavelength region. Fresh human skin and arterial biopsies were imaged ex vivo with approximately 1.4-microm axial and approximately 3-microm lateral resolution and 95-dB sensitivity, demonstrating the great potential for clinical OCT applications of this stable, low-cost, and turn-on-key fiber laser.
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Affiliation(s)
- K Bizheva
- Department of Medical Physics, Christian Doppler Laboratory, University of Vienna, Waehringer Strasse 13, Vienna, Austria
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Abstract
We have scattered photons from an interfering path of a multiple beam Ramsey interference experiment realized with a cesium atomic beam. It is demonstrated that in multiple beam interference the decoherence from photon scattering cannot only lead to a decrease but, under certain conditions, also to an increase of the Michelson fringe contrast. In all cases, the atomic quantum state loses information with photon scattering, as "which-path" information is carried away by the photon field. We outline an approach to quantify this which-path information from observed fringe signals, which allows for an appropriate measure of decoherence in multiple path interference.
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Affiliation(s)
- M Mei
- Max-Planck-Institut für Quantenoptik, Hans-Kopfermann-Strasse 1, 85748 Garching, Germany
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35
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Mei M, Wei S, Zijian W, Wenhua W, Baohua Z, Suxia Z. [The toxicity variation of organic extracts in drinking water treatment processes]. Huan Jing Ke Xue 2001; 22:49-52. [PMID: 11382042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/20/2023]
Abstract
Source water samples and outlet water samples from different treatment processes of the Beijing Ninth Water Works were concentrated in situ with XAD-2 filled columns. GC-MS analysis and toxic assessment including acute toxicity evaluation by luminescent bacterium bioassay(Q67 strains) and mutagenicity assessment by Ames test(TA98 and TA100 strains with and without S9 addition) were conducted on these samples. The results showed that prechlorination caused the direct and indirect frame shift mutagenicity as well as indirect base pair substitute mutagenicity. Addition of coagulant may increase the base pair substitute mutagenic effects greatly. Sand and coal filtration and granular activated carbon filtration could effectively remove most of the formed mutagens. The rechlorination do not obviously increase the mutagenic effects. No mutagenic effect was observed in tap water. Acute toxicity showed the same variation with that of mutagenicity during the treatment processes. Sample from flocculation treatment process was found to be the most toxic sample. Results of GC-MS analysis showed that water in this plant was not contaminated by PCB. Concentrations of toluene, naphthalene and phenol increased in flocculation treatment process and in tap water. However, the concentrations of these substances were at the level of microgram/L, therefore, were not high enough to cause mutagenicity.
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Affiliation(s)
- M Mei
- State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
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36
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Mei M, Yu H, Zhang W, Shi J, Yang J. [Inhibition of hTR activity for suppression of lung cancer cell proliferation using antisense phosphorothioate oligonucleotides]. Zhonghua Bing Li Xue Za Zhi 2000; 29:204-7. [PMID: 11866914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
Abstract
OBJECTIVE Telomerase activity was measured in 8 lung tumor cell lines and transfected antisense phosphorothiate oligodeoxynucleotides (anti-PS-ODN) of hTR as therapeutic agents into target cell LTEP-a-2 to investigate the inhibitory effect on telomerase activity and tumor cell growth. METHODS 1. Telomerase activity assay in 8 human lung tumor cell lines using telomerase PCR ELISA. 2. Synthesized anti-PS-ODNs of hTR and random PS-ODN transfected with Clonfectin into LTEP-a-2 cell lines for 72 hr. 3. Measure telomerase activity by telomerase PCR ELISA, SDH activity by MTT assay and cell growth. RESULTS Eight cell lines showed positive expression of telomerase activity. Various anti-PS-ODNs could inhibit telomerase activity, SDH activity and cell growth. The inhibition became more marked with the increase of anti-PS-ODNs concentrations. Concentrations of 5 - 40 micromol/L anti-PS-ODNs of hTR specifically reduced the telomerase activity by 25.7% - 84.0%. PS-ODNs of anti-hTR were also able to reduce SDH activity by 19.4% - 74.7% at 5 - 40 micromol/L. The dose of 5 - 40 micromol/L PS-ODNs of anti-hTR had the ability to inhibit cell growth by 14.8% - 72.5%. The results indicate that random sequence of PS-ODN(9) failed to inhibit telomerase, SDH activity and cell growth. A statistically significant difference exists between random PS-ODN and three anti-PS-ODNs (P < 0.01). CONCLUSIONS Human lung tumor cell lines express high telomerase activity. PS-ODNs of anti-hTR had the ability to inhibit telomerase and reduce LTEP-a-2 cell growth and metabolism.
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Affiliation(s)
- M Mei
- Centre of molecular Biology, Tianjin Medical University, Tianjin 300070, China
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37
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Huang G, Kang J, Zhang W, Liu L, Yu M, Mei M, Dong Y. [Toxic effects of aluminum on human embryonic cerebral neurocytes in vitro studies]. Zhonghua Yu Fang Yi Xue Za Zhi 2000; 34:106-8. [PMID: 11860913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
Abstract
OBJECTIVE To study the toxic effect of aluminum on human embryonic cerebral neurocytes in vitro studies. METHODS Human embryonic cerebral neurocytes were divided into three groups (control, low Al and high Al groups). The growth, development and morphology of neurocytes were observed by light and electron microscopy. The protein, DNA, lipid peroxide (LPO) contents and the activity of neuron-specific enolase (NSE) and cholinesterase (CHE) of neurocytes were detected. RESULTS The number of viable cells in high Al group was significantly lower than that in the control group (P < 0.05). The number of swelling, degenerated and necrotic cells was significantly increased in high Al group. The DNA content and the activity of NSE and CHE of neurocytes were significantly decreased with the increase of Al concentrations (P < 0.05). The LPO content of neurocytes in the high Al group was significantly higher than that in the control group (P < 0.05). There was a positive correlation between the Al dose and LPO content of neurocytes (P < 0.05). The electron microscopy study showed that the membrane structure of cell was damaged in the high Al group and the arrangement of microtubules in the processes was disordered. CONCLUSIONS The growth, development and function of human embryonic cerebral neurocytes was inhibited in the high Al group. The neurotoxicity of Al may be caused by lipid peroxidation and the damage of cell membrane.
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Affiliation(s)
- G Huang
- Nutrition Research Unit, College of Public Health, Tianjin Medical University, Tianjin 300070, China
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Mei M, Xu J, Shi Q, Chen Q, Qin L. Measurement of serum circulating intercellular adhesion molecule-1 and its clinical significance in hepatocellular carcinoma: preliminary report. J Hepatobiliary Pancreat Surg 1999; 6:181-5. [PMID: 10398907 DOI: 10.1007/s005340050103] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Serum circulating intercellular adhesion molecule-1 (cICAM-1) was measured in 50 patients with hepatocellular carcinoma (HCC). The mean cICAM-1 level in the 50 patients was 2220 ng/ml and 43 patients (86%) had a high level of cICAM-1 - more than 1000 ng/ml. Comparative analysis of cICAM-1 and alpha-fetoprotein (AFP) levels in the HCC patients showed that serum AFP level was negative (<20 ng/ml) in five patients or "questionable positive" (20-90 ng/ml) in ten patients, while the levels of cICAM-1 in these patients were 1810 and 1710 ng/ml, respectively. Seven patients who underwent hepatectomy had tumor recurrences during a follow-up period of 6-18 months. Their serum AFP levels were lower than 200 ng/ml (mean value, 27 ng/ml), but their mean cICAM-1 level was 1956 ng/ml at the time tumor recurrence was diagnosed. We suggest that the measurement of serum cICAM-1 is not only useful for prediction of the progression and prognosis of HCC, but that it may also be an important marker for the early diagnosis of the disease, and for monitoring postoperative recurrence, particularly in patients with low levels of serum AFP.
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Affiliation(s)
- M Mei
- Department of Hepato-Biliary Surgery,Guilin Medical College, PR China
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Mei M, Qiu Y, Sun Y, Huang R, Yao J, Zhang Q, Hong M, Ye J. Morphological and molecular changes of maize plants after seeds been flown on recoverable satellite. Adv Space Res 1998; 22:1691-1697. [PMID: 11542413 DOI: 10.1016/s0273-1177(99)00034-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Dry seeds of Zea mays, heterozygous for Lw1/lw1 alleles, sandwiched between nuclear track detectors aboard Chinese satellite for 15 days, were recovered and mutations in morphological characters on plants developed from these seeds, as well as their selected progenies, were investigated. The dosimetric results indicated that 85% of the seeds received at least 1 hit with Z > or = 20. About 10% of plants developed from flown seeds and 40% of observed selfed lines from the first generation plants showed some morphological changes, such as yellow stripes displayed on leaves, dwarf, anomogensis of floral organs and yellow-green seedlings, when compared with those from ground control. Using yellow stripes on leaves as the main endpoint for evaluating mutation induced in space environment, the frequency of stripe occurrence was 4.6% in the first generation plants, comparable with the results obtained from Long Duration Exposure Facility (LDEF) mission (Mei et al., 1994), but much lower than those from ground based 60 Co-gamma treatment at a dose of 100 Gy, which reached 35.5% in the selfed lines of the second generation. One hundred and ten random primers were screened in RAPD analysis to detect the variation on genomic DNA of plants with stripes on leaves. Of these primers, 10.9% were able to generate polymorphic bands between mutated plants and control, also, common band patterns in several progenies with the same mutation phenotype were observed. These results demonstrated that space radiation environment could induce inheritable mutagenic effects on plant seeds, and verified the change in genetic material in the mutants. Further study will be needed for a better understand of the nature and mechanism of this induction of mutation.
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Affiliation(s)
- M Mei
- South China Agricultural University, Guangzhou, China
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40
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Zou Y, Gong D, Sun L, Mei M. [Protection of hepatocyte growth factor against carbon tetrachloride injury in primary rat hepatocyte culture]. Zhongguo Ying Yong Sheng Li Xue Za Zhi 1997; 13:228-30. [PMID: 10074269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Abstract
The protective effect of recombinant human hepatocyte growth factor (r-hHGF) against carbon tetrachloride (CCl4) injury in cultured rat hepatocytes was investigated. It was found that r-hHGF had cytoprotective effect on hepatocytes anainst CCl4 poisoning. Pretreatment with r-hHGF significantly increased the viability of cultured hepatocytes, reduced the leakage of intracellular alanine transaminase and potassium into the culture medium, as compared with the CCl4 group. The results suggest that r-hHGF may protect hepatocytes against CCl4 injury through lessening the severity of membrane lesion, preventing intracellular alanine transaminase and potassium leakage and sustaining the integrity of hepatocyte membrane.
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Affiliation(s)
- Y Zou
- Department of Physiology, Second Affiliated Hospital, DaLian Medical University
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Zou Y, Mei M. [Effects of hepatocyte growth factor on dose- and time-response of DNA synthesis in rat hepatocytes in vitro]. Zhongguo Ying Yong Sheng Li Xue Za Zhi 1997; 13:53-6. [PMID: 10074317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Abstract
Effects of recombinant human hepatocyte growth factor (r-hHGF) on dose- and time-response of DNA synthesis were observed by using the method of 3H-TdR incorporation into DNA in rat hepatocytes in vitro. The results showed that r-hHGF was the most potent mitogen for initiating DNA synthesis of hepatocytes, and there were dose-dependent increase in the range of 1 ng/ml (10 pmol/L)-10 ng/ml (100 pmol/L). The significant effect of r-hHGF was observed even at 1 ng/ml, and the maximal stimulatory effect was found at 10 ng/ml, which was 7-fold rise than the control. Beyond 10 ng/ml, r-hHGF inhibited hepatocyte DNA synthesis. In addition, time-response of r-hHGF on DNA synthesis was observed at 24 h, 48 h, 72 h and 96 h respectively, 3H-thymidine incorporation was higher than control group after 24 hours of incubation with r-hHGF, and reached top at 48 hours. DNA synthesis decreased after 72 and 96 hours of incubation with r-hHGF.
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Affiliation(s)
- Y Zou
- Department of Physiology, DaLian Medical University
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42
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Abstract
Energetic heavy ions are present in galactic cosmic rays and solar particle events. One of the most important late effects in risk assessment is carcinogenesis. We have studied the carcinogenic effects of heavy ions at the cellular and molecular levels and have obtained quantitative data on dose-response curves and on the repair of oncogenic lesions for heavy particles with various charges and energies. Studies with repair inhibitors and restriction endonucleases indicated that for oncogenic transformation DNA is the primary target. Results from heavy ion experiments showed that the cross section increased with LET and reached a maximum value of about 0.02 micrometer2 at about 500 keV/micrometer. This limited size of cross section suggests that only a fraction of cellular genomic DNA is important in radiogenic transformation. Free radical scavengers, such as DMSO, do not give any effect on induction of oncogenic transformation by 600 MeV/u iron particles, suggesting most oncogenic damage induced by high-LET heavy ions is through direct action. Repair studies with stationary phase cells showed that the amount of reparable oncogenic lesions decreased with an increase of LET and that heavy ions with LET greater than 200 keV/micrometer produced only irreparable oncogenic damage. An enhancement effect for oncogenic transformation was observed in cells irradiated by low-dose-rate argon ions (400 MeV/u; 120 keV/micrometer). Chromosomal aberrations, such as translocation and deletion, but not sister chromatid exchange, are essential for heavy-ion-induced oncogenic transformation. The basic mechanism(s) of misrepair of DNA damage, which form oncogenic lesions, is unknown.
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Affiliation(s)
- T C Yang
- NASA Johnson Space Center, Medical Sciences Division, Houston, TX, USA
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Yang TC, Georgy KA, Mei M, Durante M, Craise LM. Radiogenic cell transformation and carcinogenesis. ASGSB Bull 1995; 8:106-12. [PMID: 11538546] [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: 02/21/2023]
Abstract
Radiation carcinogenesis is one of the major biological effects considered important in the risk assessment for space travel. Various biological model systems, including both cultured cells and animals, have been found useful for studying the carcinogenic effects of space radiations, which consist of energetic electrons, protons and heavy ions. The development of techniques for studying neoplastic cell transformation in culture has made it possible to examine the cellular and molecular mechanisms of radiation carcinogenesis. Cultured cell systems are thus complementary to animal models. Many investigators have determined the oncogenic effects of ionizing and nonionizing radiation in cultured mammalian cells. One of the cell systems used most often for radiation transformation studies is mouse embryonic cells (C3H10T1/2), which are easy to culture and give good quantitative dose-response curves. Relative biological effectiveness (RBE) for heavy ions with various energies and linear energy transfer (LET) have been obtained with this cell system. Similar RBE and LET relationship was observed by investigators for other cell systems. In addition to RBE measurements, fundamental questions on repair of sub- and potential oncogenic lesions, direct and indirect effect, primary target and lesion, the importance of cell-cell interaction and the role of oncogenes and tumor suppressor genes in radiogenic carcinogenesis have been studied, and interesting results have been found. Recently several human epithelial cell systems have been developed, and ionizing radiation have been shown to transform these cells. Oncogenic transformation of these cells, however, requires a long expression time and/or multiple radiation exposures. Limited experimental data indicate high-LET heavy ions can be more effective than low-LET radiation in inducing cell transformation. Cytogenetic and molecular analyses can be performed with cloned transformants to provide insights into basic genetic mechanism(s) of radiogenic transformation of human epithelial cells.
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Affiliation(s)
- T C Yang
- Radiation Biophysics Laboratory, NASA Johnson Space Center, Houston, TX 77058, USA
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Abstract
Genetic and developmental effects of heavy ions in maize and rice were investigated. Heavy particles with various charges and energies were accelerated at the BEVALAC. The frequency of occurrence of white-yellow stripes on leaves of plants developed from irradiated maize seeds increased linearly with dose, and high-LET heavy charged particles, e.g., neon, argon, and iron, were 2-12 times as effective as gamma rays in inducing this type of mutation. The effectiveness of high-LET heavy ion in (1) inhibiting rice seedling growth, (2) reducing plant fertility, (3) inducing chromosome aberration and micronuclei in root tip cells and pollen mother cells of the first generation plants developed from exposed seeds, and (4) inducing mutation in the second generation, were greater than that of low-LET gamma rays. All effects observed were dose-dependent; however, there appeared to be an optimal range of doses for inducing certain types of mutation, for example, for argon ions (400 MeV/u) at 90-100 Gy, several valuable mutant lines with favorable characters, such as semidwarf, early maturity and high yield ability, were obtained. Experimental results suggest that the potential application of heavy ions in crop improvement is promising. RFLP analysis of two semidwarf mutants induced by argon particles revealed that large DNA alterations might be involved in these mutants.
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Affiliation(s)
- M Mei
- South China Agricultural University, Guangzhou
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45
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Abstract
The growth and development of more than 500 Zea mays seeds flown on LDEF were studied. Somatic mutations, including white-yellow stripes on leaves, dwarfing, change of leaf sheath color or seedling color were observed in plants developed from these seeds. When the frequency of white-yellow formation was used as the endpoint and compared with data from ground based studies, the dose to which maize seeds might be exposed during the flight was estimated to be equivalent to 635 cGy of gamma rays. Seeds from one particular holder gave a high mutation frequency and a wide mutation spectrum. White-yellow stripes on leaves were also found in some of the inbred progenies from plants displayed somatic mutation. Electron microscopy studies showed that the damage of chloroplast development in the white-yellow stripe on leaves was similar between seeds flown on LDEF and that irradiated by accelerated heavy ions on ground.
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Affiliation(s)
- M Mei
- South China Agricultural University, Guangzhou
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46
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Abstract
On Moon and Mars, there will be more galactic cosmic rays and higher radiation doses than on earth. Our experimental studies showed that heavy ion radiation can effectively cause mutation and chromosome aberrations and that high-LET heavy-ion induced mutants can be irreversible. Chromosome translocations and deletions are common in cells irradiated by heavy particles, and ionizing radiations are effective in causing hyperploidy. The importance of the genetic changes in the evolution of life is an interesting question. Through evolution, there is an increase of DNA content in cells from lower forms of life to higher organisms. The DNA content, however, reached a plateau in vertebrates. By increasing DNA content, there can be an increase of information in the cell. For a given DNA content, the quality of information can be changed by rearranging the DNA. Because radiation can cause hyperploidy, an increase of DNA content in cells, and can induce DNA rearrangement, it is likely that the evolution of life on Mars will be effected by its radiation environment. A simple analysis shows that the radiation level on Mars may cause a mutation frequency comparable to that of the spontaneous mutation rate on Earth. To the extent that mutation plays a role in adaptation, radiation alone on Mars may thus provide sufficient mutation for the evolution of life.
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Affiliation(s)
- C H Yang
- NASA Johnson Space Center, Houston, TX 77058, USA
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47
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Ennker IC, Mei M, Nagel E, Hauss J, Reiss G, Oellerich M, Pichlmayr R. [Changes in liver function and morphology after various portocaval bypass operations]. Langenbecks Arch Chir 1992; 377:144-51. [PMID: 1619974 DOI: 10.1007/bf00184371] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Using an experimental animal model consequences of operatively changed modes of liver perfusion on hepatic function could be demonstrated. Three groups of 5 animals each (swine) had the following operations: Group I received a portocaval shunt. In group II in addition to the portocaval shunt a vein graft was interposed between the vena cava and the portal vein. In group III an arterialization of this graft was performed in addition to the two operations mentioned above. Follow-up at defined time intervals included clinical, laboratory and histological data. It could be demonstrated that animals in group II and III showed normal parameters as far as behavior and controlled lab data are concerned. Animals of group I had significantly poorer results in all tests. In this study we found that direct portal perfusion was not necessary for a normal liver function and could be fully compensated both by caval venous blood and by arterialized caval venous blood.
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Affiliation(s)
- I C Ennker
- Klinik für Abdominal- und Transplantationschirurgie, MHH, Hannover, BRD
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48
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Pichlmayr R, Gubernatis G, Grosse H, Seitz W, Mauz S, Ennker I, Mei M, Klempnauer J, Hauss J, Kuse ER. [Liver transplantation in low portal vein flow: separation of portal vein areas with divided portal-venous and arterialized caval-venous liver perfusion. 1. Clinical case report]. Langenbecks Arch Chir 1989; 374:232-9. [PMID: 2668671 DOI: 10.1007/bf01359559] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
A new method for the performance of a hepatic transplantation in spite of a low portal blood flow situation is described casuistically. In a 36-year-old-patient suffering from liver cirrhosis due to hepatitis B, the portal blood system of the right and left liver parts were divided, the left part was perfused with a low flow of portal blood, the right one with arterialized caval blood. The function of the transplanted liver and the early postoperative course were excellent. During the further postoperative course portal perfusion presumably diminished or stopped on the left side from three weeks and on the right side from two months postoperatively. Nevertheless the general condition of the patient improved continuously; transient elevations of transaminases may reflect the disturbance of portal perfusion. The technique of this arterialized caval blood perfusion of the portal system is presumably applicable also for situations, in which there is no portal blood flow available for perfusion of a liver graft. Thus, the absence of possibility for reconstruction of portal blood inflow or a situation with a hypoplastic portal vein may no longer be considered as a technical contraindication for liver grafting.
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Affiliation(s)
- R Pichlmayr
- Klinik für Abdominal- und Transplantationschirurgie der Medizinischen Hochschule Hannover
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49
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Di Curzio B, Mei M, Annunziata S, Mengoli A, Mucciaccio F. [Localization of malignant adenomas in the large intestine]. Minerva Dietol Gastroenterol 1986; 32:233-5. [PMID: 3796864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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50
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de Sanctis C, Di Curzio B, Cordella PL, Modesti M, Mengoli A, Mei M. [Turcot's syndrome. Report of a case of familial diffuse polyposis associated with cerebral tumor]. Minerva Dietol Gastroenterol 1985; 31:333-7. [PMID: 4034039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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