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Spence T, Stickle N, Yu C, Chow H, Feilotter H, Lo B, McCready E, Sadikovic B, Siu LL, Bedard PL, Stockley TL. Inter-laboratory proficiency testing scheme for tumour next-generation sequencing in Ontario: a pilot study. ACTA ACUST UNITED AC 2019; 26:e717-e732. [PMID: 31896942 DOI: 10.3747/co.26.5379] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Background A pilot inter-laboratory proficiency scheme for 5 Ontario clinical laboratories testing tumour samples for the Ontario-wide Cancer Targeted Nucleic Acid Evaluation (octane) study was undertaken to assess proficiency in the identification and reporting of next-generation sequencing (ngs) test results in solid tumour testing from archival formalin-fixed, paraffin-embedded (ffpe) tissue. Methods One laboratory served as the reference centre and provided samples to 4 participating laboratories. An analyte-based approach was applied: each participating laboratory received 10 ffpe tissue specimens profiled at the reference centre, with tumour site and histology provided. Laboratories performed testing per their standard ngs tumour test protocols. Items returned for assessment included genes and variants that would be typically reported in routine clinical testing and variant call format (vcf) files to allow for assessment of ngs technical quality. Results Two main aspects were assessed:■ Technical quality and accuracy of identification of exonic variants■ Site-specific reporting practicesTechnical assessment included evaluation of exonic variant identification, quality assessment of the vcf files to evaluate base calling, variant allele frequency, and depth of coverage for all exonic variants. Concordance at 100% was observed from all sites in the technical identification of 98 exonic variants across the 10 cases. Variability between laboratories in the choice of variants considered clinically reportable was significant. Of the 38 variants reported as clinically relevant by at least 1 site, only 3 variants were concordantly reported by all participating centres as clinically relevant. Conclusions Although excellent technical concordance for ngs tumour profiling was observed across participating institutions, differences in the reporting of clinically relevant variants were observed, highlighting reporting as a gap where consensus on the part of Ontario laboratories is needed.
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Malone ER, Saleh RR, Yu C, Ahmed L, Pugh T, Torchia J, Bartlett J, Virtanen C, Hotte SJ, Hilton J, Welch S, Robinson A, McCready E, Lo B, Sadikovic B, Feilotter H, Hanna TP, Kamel-Reid S, Stockley TL, Siu LL, Bedard PL. OCTANE (Ontario-wide Cancer Targeted Nucleic Acid Evaluation): a platform for intraprovincial, national, and international clinical data-sharing. ACTA ACUST UNITED AC 2019; 26:e618-e623. [PMID: 31708655 DOI: 10.3747/co.26.5235] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Cancer is a genetic disease resulting from germline or somatic genetic aberrations. Rapid progress in the field of genomics in recent years is allowing for increased characterization and understanding of the various forms of the disease. The Ontario-wide Cancer Targeted Nucleic Acid Evaluation (octane) clinical trial, open at cancer centres across Ontario, aims to increase access to genomic sequencing of tumours and to facilitate the collection of clinical data related to enrolled patients and their clinical outcomes. The study is designed to assess the clinical utility of next-generation sequencing (ngs) in cancer patient care, including enhancement of treatment options available to patients. A core aim of the study is to encourage collaboration between cancer hospitals within Ontario while also increasing international collaboration in terms of sharing the newly generated data. The single-payer provincial health care system in Ontario provides a unique opportunity to develop a province-wide registry of ngs testing and a repository of genomically characterized, clinically annotated samples. It also provides an important opportunity to use province-wide real-world data to evaluate outcomes and the cost of ngs for patients with advanced cancer. The octane study is attempting to translate knowledge to help deliver precision oncology in a Canadian environment. In this article, we discuss the background to the study and its implementation, current status, and future directions.
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Pang JL, Wang JW, Hu PY, Jiang JS, Yu C. HOTAIR alleviates ox-LDL-induced inflammatory response in Raw264.7 cells via inhibiting NF-κB pathway. EUROPEAN REVIEW FOR MEDICAL AND PHARMACOLOGICAL SCIENCES 2019; 22:6991-6998. [PMID: 30402866 DOI: 10.26355/eurrev_201810_16170] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE To investigate the possible role of hox transcript antisense intergenic RNA (HOTAIR) in the pathogenesis of atherosclerosis and its underlying mechanism. PATIENTS AND METHODS The expression of HOTAIR in peripheral blood lymphocytes of atherosclerosis (AS) and healthy controls was detected by quantitative Real-time-polymerase chain reaction (qRT-PCR). In vitro AS model was established by ox-LDL induction in Raw264.7 cells. Viability of Raw264.7 cells after ox-LDL induction was detected by cell counting kit-8 (CCK-8) assay. Levels of TC (total cholesterol), TG (triglyceride), LDL-C (low density lipoprotein cholesterol) and HDL-C (high density lipoprotein cholesterol) in Raw264.7 cells were detected by enzyme-linked immunosorbent assay (ELISA). Overexpression plasmid of HOTAIR was constructed. Levels of TG, TC, LDL-C, and HDL were detected again after HOTAIR overexpression by ELISA. CD68+ cells and CD168+ cells in Raw264.7 cells were detected by flow cytometry. Protein expressions of pro-inflammatory and anti-inflammatory genes were detected by Western blot. Lipid metabolism in Raw264.7 cells was evaluated by oil red O staining and Western blot, respectively. Finally, rescue experiments were conducted to explore the specific mechanism of HOTAIR in regulating AS development. RESULTS HOTAIR was lowly expressed in peripheral blood lymphocytes of AS patients and Raw264.7 cells induced by ox-LDL. Overexpression of HOTAIR upregulated adipose genes (PPARα and CPT-1) and downregulated lipogenesis genes (SREBP-1c and ACS). Besides, overexpression of HOTAIR decreased expressions of pro-inflammatory cytokines (TNF-α and IL-1β), but increased expressions of anti-inflammatory cytokines (IL-4 and IL-10). In the in vitro AS model, FXR1 was remarkably downregulated in Raw264.7 cells. HOTAIR reduced inflammatory response via promoting FXR1 expression in Raw264.7 cells. Rescue experiments showed that the effect of HOTAIR on nuclear factor-kappa B (NF-κB) pathway was reversed by FXR1 knockdown. CONCLUSIONS We found that TAIR was lowly expressed in AS patients. Overexpression of HOTAIR can reduce the lipid accumulation and inhibit inflammatory response by suppressing FXR1 via NF-κB pathway.
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Wen K, Wang HQ, Yu C, Lv XP, Qi F, Song JY. [The basic characteristics and medical status of pneumoconiosis patients under different investigation methods]. ZHONGHUA LAO DONG WEI SHENG ZHI YE BING ZA ZHI = ZHONGHUA LAODONG WEISHENG ZHIYEBING ZAZHI = CHINESE JOURNAL OF INDUSTRIAL HYGIENE AND OCCUPATIONAL DISEASES 2019; 37:659-664. [PMID: 31594120 DOI: 10.3760/cma.j.issn.1001-9391.2019.09.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To analyze the characteristics of pneumoconiosis patients and the basic status of medical treatment. Methods: Research objects were chosen by stratified sampling method and typical survey method from existing pneumoconiosis patients in China. The survey was carried out from March 2017 to January 2018 in nine provinces including provinces from east, medium and western region in China. Source of pneumoconiosis cases were inpatient cases, outpatient or physical-examined cases and household-investigation cases. The survey mainly included demographic and sociological characteristics, economic status, occupational history and dust exposure history, disease status, work-related injury insurance and social security status and related indicators of pneumoconiosis treatment. Results: Investigated 1037 pneumoconiosis cases which included 186 (19.9%) household-investigation cases, 212 (20.4%) outpatient or physical-examined cases and 639 (61.7%) inpatient cases. Demographic and sociological characteristics, individual monthly income, economic source, occupational history and work-related injury insurance were statistically significant among different source of pneumoconiosis patients (P<0.05) . Among all of the household-investigation cases, there were 74 cases (40.2%) had no income, 117 cases (62.9%) used to work in private enterprises, 36 cases (19.4%) had work-related injuries insurance, 95 cases (51.1%) were at three phase of pneumoconiosis, 108 cases (59.0%) haven't had any drugs for pneumoconiosis. 65 cases (39.4%) haven't went to the clinic, 53 cases (28.5%) hadn't seek medical advice although they needed medical treatment very much. Among all of the outpatient or physical-examined cases, there were 95 cases (46.1%) had no income, 36 cases (17.0%) had work-related injuries Insurance, 139 cases (65.6%) went to the clinic for treatment of pneumoconiosis, 81 cases (38.2%) went to the clinic for more than ten times. Among all the inpatient cases, 310 cases' (49.3%) personal monthly income was above 2000 yuan, 352 cases (55.1%) had work-related injuries Insurance, 588 cases (92.2%) were taking drugs for treatment of pneumoconiosis, 153 canses (24.2%) had hospitalization for than ten times. Conclusion: Household-investigation cases have lower economic conditions, lower rates of Insurance coverage for work-related injuries, severer pneumoconiosis and higher clinical service utilization. Clinical or physical-examined cases have lower economic conditions, lower rates of Insurance coverage for work-related injuries and higher clinical service utilization. Hospitalized cases have better economic conditions, higher rates of insurance coverage for work-related injuries and higher hospitalization service utilization.
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Wang CZ, Zhang CF, Luo Y, Yao H, Yu C, Chen L, Yuan J, Huang WH, Wan JY, Zeng J, Sawadogo WR, Yuan CS. Baicalein, an enteric microbial metabolite, suppresses gut inflammation and cancer progression in Apc Min/+ mice. Clin Transl Oncol 2019; 22:1013-1022. [PMID: 31650468 DOI: 10.1007/s12094-019-02225-5] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Accepted: 10/03/2019] [Indexed: 12/19/2022]
Abstract
OBJECTIVE Chronic inflammation is recognized as a risk factor for colorectal cancer (CRC) development. Baicalin (BI), a major constituent in an anti-inflammatory herb Scutellaria baicalensis, can be biotransformed into baicalein (BE) by the intestinal microbiota. We evaluated the anti-inflammation and anti-CRC effects of the metabolite BE. METHODS The in vitro biotransformation by human intestinal microbiota from BI into BE has been determined with HPLC. Using a gut-specific ApcMin/+ mouse model, the effects of oral BE on the life span, organ index, and tumor multiplicity were evaluated. The expressions of inflammatory cytokines were determined using ELISA. To verify the in vivo data, the anti-inflammatory and antiproliferative effects of BE were determined with an in vitro cell model. RESULTS HPLC analysis showed that BI was quickly transformed into BE by the intestinal microbiota. Oral BE (30 mg/kg/day) significantly increased the life span, from 125.2 to 218.4 days (P < 0.01%). BE treatment also decreased intestine index and increased spleen index. Compared with the model group, following BE treatment, tumor numbers were significantly reduced in the small intestine and colon (P < 0.01, P < 0.05, respectively). In the gut tissues, BE treatment significantly reduced inflammatory cytokine levels such as IL-1β, IL-2, IL-6, IL-10, G-CSF, and GM-CSF. In vitro data supported our in vivo results that the anti-CRC effects of BE were via the inhibition of gut inflammation and induction of cancer cell death. CONCLUSION Our results suggest that the parent compound BI can be quickly converted into its microbial metabolite BE, which has stronger bioactive effects than BI. Baicalein is an active chemopreventive metabolite for inflammatory associated CRC.
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Karim M, Lin K, Millwood IY, Kartsonaki C, Hill M, Guo Y, Bian Z, Yu C, Li L, Clarke R, Chen Z, Walters RG, Holmes MV. P5505Inflammation implicated in the aetiology of major vascular and non-vascular diseases in East Asians. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz746.0455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
Mendelian randomisation (MR) studies using genetic variants in the IL6R gene encoding the interleukin-6 (IL-6) receptor have demonstrated that IL-6 plays a causal role in the aetiology of coronary heart disease (CHD) in European populations, with implications for the development of drugs targeting inflammation-related pathways. It is less clear whether IL-6 signalling plays a causal role in vascular disease or major non-vascular diseases in East Asians.
Purpose
Using an MR approach, we investigated associations of altered IL-6 signalling with subtypes of CHD, stroke, cancer and respiratory disease in a large East Asian cohort.
Methods
In approximately 150,000 Chinese adults from the China Kadoorie Biobank, we investigated associations of rs7529229 (in strong linkage disequilibrium, r2=0.99, with the IL6R Asp358Ala variant rs2228145) with blood biomarkers and selected disease events in which inflammation has previously been implicated. First, we used linear regression to quantify the per-allele association of rs7529229 with levels in plasma of log-transformed C-reactive protein (CRP) (n=17,866), fibrinogen (n=9,255), and IL-6 protein (n=633). Second, we used logistic regression to evaluate the association of rs7529229 with incidence of CHD, stroke, cancer, and respiratory disease events. All models were adjusted for age, age-squared, sex (except breast cancer), and case ascertainment (for CRP and fibrinogen), and stratified by recruitment region. We assessed significance at a 5% false discovery rate.
Results
IL6R rs7529229 C-allele was associated with lower log CRP (–0.11 SDs per C-allele; p=4.9x10–25) and log fibrinogen (–0.07 SDs; p=2.2x10–7), and higher log IL-6 (0.15 SDs; p=0.011) (Figure 1), mimicking therapeutic blockade of IL6R. IL6R rs7529229 was associated with a lower risk of acute myocardial infarction (n=4,047 cases; OR: 0.92 [95% CI 0.88–0.96] per C-allele; p=2.8x10–4), with the association similar for fatal and non-fatal cases (Figure 2). There was no evidence of association with ischaemic stroke (n=18,315; OR: 1.00 [0.98–1.03]; p=0.90) or intracerebral haemorrhage (n=7,372; OR: 1.03 [0.99–1.07]; p=0.10). For non-cardiovascular diseases, the IL6R rs7529229 was associated with a lower risk of oesophageal (n=824; OR: 0.88 [0.79–0.97] per C-allele; p=0.013) and colorectal (n=1,151; OR: 0.89 [0.82–0.97]; p=8.3x10–3) cancers, but a higher risk of tuberculosis (n=1,017; OR: 1.15 [1.05–1.26]; p=2.4x10–3).
Conclusion
The results of the present study are consistent with a causal role for the IL-6 signalling pathway in the aetiology of myocardial infarction and some cancers, but not of stroke. These findings provide further genetic support for drug development targeting inflammation in the prevention and treatment of coronary and selected cancer outcomes.
Acknowledgement/Funding
Kadoorie Charitable Foundation, UK Wellcome Trust, Chinese Ministry of Science and Technology, BHF, CRUK, NIHR
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Shen Y, Meng Y, Tang X, Gu P, Yu C, Wang W, Kong F, Yang H. JCSE01.17 Modelling the Immunosuppressive Difference of SBRT and CRT by Simulating the Dose to Circulating Lymphocytes in Non-Small Cell Lung Cancer. J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.08.273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Hou L, Zhou C, Xu Y, Meng Y, Yu C, Kong F, Yang H. EP1.17-35 CBCT Radiomics May Predict Short-Term SBRT Effect in Early Stage Lung Cancer Patients. J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.08.2445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Liao B, Hsu W, Lee J, Yang C, Tsai T, Liao W, Ho C, Lin C, Shih J, Yu C, Yang J. P2.01-39 Serial Plasma ctDNA Tests Identify Genomic Alterations for Early Prediction of Osimertinib Treatment Outcome in T790M+ NSCLC. J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.08.1383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Tang X, Shen Y, Meng Y, Hou L, Zhou C, Yu C, Wang W, Yang H, Kong F. P1.14-40 EGFR-TKIs May Sensitize Radiation Lung Damage in Stereotactic Body Radiotherapy Based on Intensity Analyzing. J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.08.1191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Wu S, Yu C, Yang J, Shih J. OA11.01 Complex EGFR Mutations in Lung Adenocarcinoma. J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.08.465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Wang Y, Nie Y, Yu C. P5496Sex differences in the association between diabetes and risk of cardiovascular disease, cancer, and all-cause and cause-specific mortality: a systematic review and meta-analysis of 5,016,608 participa. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz746.0447] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
Previous meta-analyses, through internal, within-study comparisons of women and men participants, have observed that women with diabetes are at substantially higher risk of coronary heart disease (CHD), stroke and gastric cancer compared with affected men. However, the magnitude of the excess risk of these and other cause-specific outcomes that is conferred by diabetes for men and women is unknown.
Purpose
To estimate the relative effect of diabetes on risk of all-cause, cancer, cardiovascular disease (CVD), infectious disease and respiratory disease mortality in women compared with men.
Methods
Studies published from their inception to April 1, 2018, identified through a systematic search of PubMed and EMBASE and review of references. We used the sex-specific RRs to derive the women-to-men ratio of RRs (RRR) and 95% CIs from each study. Subsequently, the RRR for each outcome was pooled with random effects meta-analysis weighted by the inverse of the variances of the log RRRs.
Results
Forty-eight studies with 85 prospective cohorts met the inclusion criteria and were eligible for analysis. The pooled women to men RRR showed a 13% greater risk of all-cause mortality associated with diabetes in women than in men (RRR: 1.13, 95% CI: 1.07 to 1.19; P<0.001, Figure 1). The pooled multiple-adjusted RRR indicated a 30% significantly greater excess risk of CVD mortality in women with diabetes compared with men (RRR: 1.30 95% CI: 1.13 to 1.49; P<0.001). Compared with men with diabetes, women with diabetes had a 58% greater risk of coronary heart disease (CHD) mortality, but only an 8% greater risk of stroke mortality (RRRCHD: 1.58, 95% CI: 1.32 to 1.90; P<0.001; RRRstroke: 1.08, 95% CI: 1.01 to 1.15; P<0.001). However, no sex differences were observed among the population with or without diabetes, for all-cancer (RRR: 1.02, 95% CI: 0.98 to 1.06; P=0.21), infectious (RRR: 1.13, 95% CI: 0.90 to 1.38; P=0.33) and respiratory mortality RRR: 1.08, 95% CI: 0.95 to 1.23; P=0.26).
Conclusions
Compared with men with the same condition, women with diabetes have a 58% and 13% greater risk of CHD and all-cause mortality, respectively. This points to an urgent need to develop sex and gender specific risk assessment strategies and therapeutic interventions that target diabetes management for CHD prevention.
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Chen Y, Chen C, Shih J, Yu C, Yang P. P2.04-34 FCGR2B Expression as a Regulator of Immunity in Non-Small Cell Lung Cancer Patients. J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.08.1539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Shen Y, Meng Y, Tang X, Gu P, Yu C, Wang W, Kong F, Yang H. P1.04-69 Modelling the Immunosuppressive Difference of SBRT and CRT by Simulating the Dose to Circulating Lymphocytes in Non-Small Cell Lung Cancer. J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.08.972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Yu H, Johnson M, Steuer C, Vigliotti M, Chen S, Kamai Y, Yu C, Jänne P. MA21.06 Preliminary Phase 1 Results of U3-1402 — A Novel HER3-Targeted Antibody–Drug Conjugate—in EGFR TKI-Resistant, EGFR-Mutant NSCLC. J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.08.677] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Gao W, Cao W, Lv J, Yu C, Wu T, Wang S, Meng L, Wang D, Wang Z, Pang Z, Yu M, Wang H, Wu X, Dong Z, Wu F, Jiang G, Wang X, Liu Y, Deng J, Lu L, Li L. The Chinese National Twin Registry: a 'gold mine' for scientific research. J Intern Med 2019; 286:299-308. [PMID: 31270876 DOI: 10.1111/joim.12926] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The Chinese National Twin Registry (CNTR) currently includes data from 61 566 twin pair from 11 provinces or cities in China. Of these, 31 705, 15 060 and 13 531 pairs are monozygotic, same-sex dizygotic and opposite-sex dizygotic pairs, respectively, determined by opposite sex or intrapair similarity. Since its establishment in 2001, the CNTR has provided an important resource for analysing genetic and environmental influences on chronic diseases especially cardiovascular diseases. Recently, the CNTR has focused on collecting biologic specimens from disease-concordant or disease-discordant twin pairs or from twin pairs reared apart. More than 8000 pairs of these twins have been registered, and blood samples have been collected from more than 1500 pairs. In this review, we summarize the main findings from univariate and multivariate genetic effects analyses, gene-environment interaction studies, omics studies exploring DNA methylation and metabolomic markers associated with phenotypes. There remains further scope for CNTR research and data mining. The plan for future development of the CNTR is described. The CNTR welcomes worldwide collaboration.
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Yu C, Tan S, Wang Z, Zhuang S. SUN-PO134: Omega-3 Polyunsaturated Fatty Acids Reduce Intestinal Mucosal Barrier Damage Via Activation of Cholecystokinin in Chronic Kidney Disease. Clin Nutr 2019. [DOI: 10.1016/s0261-5614(19)32768-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Yu C, Deek M, Phillips R, Song D, Deville C, Greco S, DeWeese T, Antonarakis E, Markowski M, Paller C, Denmeade S, Carudcci M, Pienta K, Eisenberger M, Tran P. Clinical Outcomes in Oligometastatic Prostate Cancer Following Definitive Radiation Therapy. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.1243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Phillips R, Wang H, Malek R, Stachelek G, Yu C, Kapoor R, Holland A, Tran P. Radiosensitization and Micronucleus Formation are Induced by Centrosome Clustering Inhibition with Griseofulvin in Prostate Cancer Cell Lines. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.1102] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Yu C, Xue J, Tian Y, Zhang S. Synthetic Lethality of DHFR Inhibition in Combination with BRD4/MYC Blockade in Pancreatic Ductal Adenocarcinoma Cells (PDAC). Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.1010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Yang Y, Dong X, Yu C, Xu R, Zhang L, Tian Y. The Decrease of Peripheral Blood Monocyte Count is a Possible Indicator for Neutropenia Due to Concurrent Chemoradiotherapy with TP Regimen in Nasopharyngeal and Cervical Cancer Patients. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.1265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Han K, Leung E, Zou J, Wang T, Yu C, Zhao Z, Zheng Y, Huang S, Liu F, Waldron J, Siu L, Pugh T, Bratman S. Viral Genome Sequencing for Ultrasensitive Detection of Circulating Tumor DNA. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.214] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Ma W, Li J, Wang D, Yu C, Sun S. In vitro interaction of various antibiotic combinations recommended by Chinese consensus statement against carbapenems-resistant Pseudomonas aeruginosa. Lett Appl Microbiol 2019; 69:198-203. [PMID: 31236975 DOI: 10.1111/lam.13193] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 06/17/2019] [Accepted: 06/18/2019] [Indexed: 11/29/2022]
Abstract
Pseudomonas aeruginosa is related to nosocomial infections, and it tends to become resistant during or after antimicrobial treatment. The ability to develop carbapenems resistance makes it difficult to treat. P. aeruginosa infections are often associated with high mortality, morbidity and treatment costs. A group of Chinese experts drafted a consensus for treatment of extensively drug-resistant Gram-negative bacilli (XDR-GNB) including extensively drug-resistant P. aeruginosa (XDR-PA). In this study, we studied the antibacterial activities of different antibiotic combinations against six carbapenems-resistant P. aeruginosa (CRPA) strains in vitro, and the results indicated that the combination of ceftazidime with cefoperazone-sulbatam was the best combination with excellent synergistic rate (100%). Besides, some combinations exhibited better effects than using antibiotics alone, reducing the MICs of both drugs significantly, such as ceftazidime/piperacillin-tazobactam and ceftazidime/aztreonam etc. However, there are also some combinations that showed no additional or synergistic effects, suggesting that not all combinations recommended by the guideline have the same effect against resistant P. aeruginosa. Our study screened out some effective combinations against six CRPA strains which might help to prevent the spread of antibiotic resistance through improving antibiotic effectiveness. SIGNIFICANCE AND IMPACT OF THE STUDY: This study measured the synergistic interactions between various antibiotics in vitro recommended by Chinese consensus statement against carbapenems-resistant Pseudomonas aeruginosa. The results of this study provide valuable evidence that some combinations may be a promising option for clinical treatment.
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Li Y, Yang D, Jia Y, He L, Li J, Yu C, Liao C, Yu Z, Zhang C. Effect of infectious bursal disease virus infection on energy metabolism in embryonic chicken livers. Br Poult Sci 2019; 60:729-735. [PMID: 31328539 DOI: 10.1080/00071668.2019.1647586] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
1. The purpose of this study was to investigate ATP levels and the activities of important enzymes involved in glycolysis and TCA cycle in livers of embryonated chicken eggs infected by infectious bursal disease virus (IBDV).2. Embryonated chicken eggs (9 days) were randomly divided into two groups (50 eggs per group). The first group was inoculated with a very virulent IBDV (vvIBDV) isolate into the chorioallantoic membrane. The second group was maintained as uninfected control eggs and inoculated with physiological saline. Embryo survival was assessed daily, and six embryos were sacrificed at 24, 48, 72, 96, and 120 hpi for examining livers. Viral loads in the livers were evaluated by qRT-PCR. A comparative analysis of markers associated with the regulation of energy metabolism across several functional classes (ATP, pyruvic and lactic acids, mitochondrial protein, NAD+/NADH ratios, and enolase, lactic acid dehydrogenase and the respiratory chain complex I activities) were examined in the context of IBDV infection.3. The results indicated that increases in the enzymatic activities associated with glycolytic metabolism in turn affected the synthesis and cytoplasmic concentrations of ATP at early timepoints in infected chicken embryos. Subsequently, energy metabolism was inhibited through the pathological perturbations of metabolic enzymes and mitochondrial damage, as inferred from reduced ATP generation.4. These results suggested impaired bioenergetics, which may lead to liver dysfunction consequent to IBDV infection, contributing to the disease pathogenesis.
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