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Du J, Zhang W, Niu J, Wang S. Association between blood urea nitrogen levels and the risk of diabetes mellitus in Chinese adults: secondary analysis based on a multicenter, retrospective cohort study. Front Endocrinol (Lausanne) 2024; 15:1282015. [PMID: 38379868 PMCID: PMC10877049 DOI: 10.3389/fendo.2024.1282015] [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] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Accepted: 01/11/2024] [Indexed: 02/22/2024] Open
Abstract
Background As one of the recognized indicators of kidney function, blood urea nitrogen (BUN) is a key marker of metabolic diseases and other diseases. Currently, data on the relationship of BUN levels with the risk of diabetes mellitus (DM) in Chinese adults are sparse. This study aimed to investigate the correlation between BUN levels and DM risk in Chinese adults. Data and methods This study is a secondary analysis of a multicenter, retrospective cohort study with data from the Chinese health screening program in the DATADRYAD database. From 2010 to 2016, health screening was conducted on 211833 Chinese adults over the age of 20 in 32 locations and 11 cities in China, and there was no DM at baseline. Cox proportional hazards regression analysis assessed an independent correlation between baseline BUN levels and the risk of developing DM. The Generalized Sum Model (GAM) and smoothed curve fitting methods were used to explore the nonlinear relationship. In addition, subgroup analyses were performed to assess the consistency of correlations between different subgroups and further validate the reliability of the results. Results After adjusting for potential confounding factors (age, sex, etc.), BUN levels were positively correlated with the occurrence of DM (HR=1.11, 95% CI (1.00~1.23)). BUN level had a nonlinear relationship with DM risk, and its inflection point was 4.2mmol/L. When BUN was greater than 4.2mmol/L, BUN was positively correlated with DM, and the risk of DM increased by 7% for every 1 mmol/L increase in BUN (P<0.05). Subgroup analysis showed that a more significant correlation between BUN levels and DM was observed in terms of sex, BMI, systolic blood pressure (SBP), diastolic blood pressure (DBP), total cholesterol (TC), triglycerides (TG), low-density lipoprotein (LDL), alaninetransaminase (ALT), aspartate transaminase (AST), creatinine (Cr) and smoking status (interaction P<0.05). Conclusion High levels of BUN are associated with an increased risk of DM in Chinese adults, suggesting that active control of BUN levels may play an important role in reducing the risk of DM in Chinese adults.
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Affiliation(s)
- Jie Du
- Department of Health Examination Center, Shaanxi Provincial People Hospital, Xi’an, China
| | - Wei Zhang
- Department of Respiratory Medicine, Shaanxi Provincial People Hospital, Xi’an, China
| | - Jing Niu
- Department of Health Examination Center, Shaanxi Provincial People Hospital, Xi’an, China
| | - Shuili Wang
- Department of Respiratory Medicine, Shaanxi Provincial People Hospital, Xi’an, China
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Effects of empagliflozin on progression of chronic kidney disease: a prespecified secondary analysis from the empa-kidney trial. Lancet Diabetes Endocrinol 2024; 12:39-50. [PMID: 38061371 PMCID: PMC7615591 DOI: 10.1016/s2213-8587(23)00321-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND Sodium-glucose co-transporter-2 (SGLT2) inhibitors reduce progression of chronic kidney disease and the risk of cardiovascular morbidity and mortality in a wide range of patients. However, their effects on kidney disease progression in some patients with chronic kidney disease are unclear because few clinical kidney outcomes occurred among such patients in the completed trials. In particular, some guidelines stratify their level of recommendation about who should be treated with SGLT2 inhibitors based on diabetes status and albuminuria. We aimed to assess the effects of empagliflozin on progression of chronic kidney disease both overall and among specific types of participants in the EMPA-KIDNEY trial. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA), and included individuals aged 18 years or older with an estimated glomerular filtration rate (eGFR) of 20 to less than 45 mL/min per 1·73 m2, or with an eGFR of 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher. We explored the effects of 10 mg oral empagliflozin once daily versus placebo on the annualised rate of change in estimated glomerular filtration rate (eGFR slope), a tertiary outcome. We studied the acute slope (from randomisation to 2 months) and chronic slope (from 2 months onwards) separately, using shared parameter models to estimate the latter. Analyses were done in all randomly assigned participants by intention to treat. EMPA-KIDNEY is registered at ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and then followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroups of eGFR included 2282 (34·5%) participants with an eGFR of less than 30 mL/min per 1·73 m2, 2928 (44·3%) with an eGFR of 30 to less than 45 mL/min per 1·73 m2, and 1399 (21·2%) with an eGFR 45 mL/min per 1·73 m2 or higher. Prespecified subgroups of uACR included 1328 (20·1%) with a uACR of less than 30 mg/g, 1864 (28·2%) with a uACR of 30 to 300 mg/g, and 3417 (51·7%) with a uACR of more than 300 mg/g. Overall, allocation to empagliflozin caused an acute 2·12 mL/min per 1·73 m2 (95% CI 1·83-2·41) reduction in eGFR, equivalent to a 6% (5-6) dip in the first 2 months. After this, it halved the chronic slope from -2·75 to -1·37 mL/min per 1·73 m2 per year (relative difference 50%, 95% CI 42-58). The absolute and relative benefits of empagliflozin on the magnitude of the chronic slope varied significantly depending on diabetes status and baseline levels of eGFR and uACR. In particular, the absolute difference in chronic slopes was lower in patients with lower baseline uACR, but because this group progressed more slowly than those with higher uACR, this translated to a larger relative difference in chronic slopes in this group (86% [36-136] reduction in the chronic slope among those with baseline uACR <30 mg/g compared with a 29% [19-38] reduction for those with baseline uACR ≥2000 mg/g; ptrend<0·0001). INTERPRETATION Empagliflozin slowed the rate of progression of chronic kidney disease among all types of participant in the EMPA-KIDNEY trial, including those with little albuminuria. Albuminuria alone should not be used to determine whether to treat with an SGLT2 inhibitor. FUNDING Boehringer Ingelheim and Eli Lilly.
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Ryder M, Sabarai A, Saccà C, Sachson R, Sadler E, Safiee NS, Sahani M, Saillant A, Saini J, Saito C, Saito S, Sakaguchi K, Sakai M, Salim H, Salviani C, Sammons E, Sampson A, Samson F, Sandercock P, Sanguila S, Santorelli G, Santoro D, Sarabu N, Saram T, Sardell R, Sasajima H, Sasaki T, Satko S, Sato A, Sato D, Sato H, Sato H, Sato J, Sato T, Sato Y, Satoh M, Sawada K, Schanz M, Scheidemantel F, Schemmelmann M, Schettler E, Schettler V, Schlieper GR, Schmidt C, Schmidt G, Schmidt U, Schmidt-Gurtler H, Schmude M, Schneider A, Schneider I, Schneider-Danwitz C, Schomig M, Schramm T, Schreiber A, Schricker S, Schroppel B, Schulte-Kemna L, Schulz E, Schumacher B, Schuster A, Schwab A, Scolari F, Scott A, Seeger W, Seeger W, Segal M, Seifert L, Seifert M, Sekiya M, Sellars R, Seman MR, Shah S, Shah S, Shainberg L, Shanmuganathan M, Shao F, Sharma K, Sharpe C, Sheikh-Ali M, Sheldon J, Shenton C, Shepherd A, Shepperd M, Sheridan R, Sheriff Z, Shibata Y, Shigehara T, Shikata K, Shimamura K, Shimano H, Shimizu Y, Shimoda H, Shin K, Shivashankar G, Shojima N, Silva R, Sim CSB, Simmons K, Sinha S, Sitter T, Sivanandam S, Skipper M, Sloan K, Sloan L, Smith R, Smyth J, Sobande T, Sobata M, Somalanka S, Song X, Sonntag F, Sood B, Sor SY, Soufer J, Sparks H, Spatoliatore G, Spinola T, Squyres S, Srivastava A, Stanfield J, Staplin N, Staylor K, Steele A, Steen O, Steffl D, Stegbauer J, Stellbrink C, Stellbrink E, Stevens W, Stevenson A, Stewart-Ray V, Stickley J, Stoffler D, Stratmann B, Streitenberger S, Strutz F, Stubbs J, Stumpf J, Suazo N, Suchinda P, Suckling R, Sudin A, Sugamori K, Sugawara H, Sugawara K, Sugimoto D, Sugiyama H, Sugiyama H, Sugiyama T, Sullivan M, Sumi M, Suresh N, Sutton D, Suzuki H, Suzuki R, Suzuki Y, Suzuki Y, Suzuki Y, Swanson E, Swift P, Syed S, Szerlip H, Taal M, Taddeo M, Tailor C, Tajima K, Takagi M, Takahashi K, Takahashi K, Takahashi M, Takahashi T, Takahira E, Takai T, Takaoka M, Takeoka J, Takesada A, Takezawa M, Talbot M, Taliercio J, Talsania T, Tamori Y, Tamura R, Tamura Y, Tan CHH, Tan EZZ, Tanabe A, Tanabe K, Tanaka A, Tanaka A, Tanaka N, Tang S, Tang Z, Tanigaki K, Tarlac M, Tatsuzawa A, Tay JF, Tay LL, Taylor J, Taylor K, Taylor K, Te A, Tenbusch L, Teng KS, Terakawa A, Terry J, Tham ZD, Tholl S, Thomas G, Thong KM, Tietjen D, Timadjer A, Tindall H, Tipper S, Tobin K, Toda N, Tokuyama A, Tolibas M, Tomita A, Tomita T, Tomlinson J, Tonks L, Topf J, Topping S, Torp A, Torres A, Totaro F, Toth P, Toyonaga Y, Tripodi F, Trivedi K, Tropman E, Tschope D, Tse J, Tsuji K, Tsunekawa S, Tsunoda R, Tucky B, Tufail S, Tuffaha A, Turan E, Turner H, Turner J, Turner M, Tuttle KR, Tye YL, Tyler A, Tyler J, Uchi H, Uchida H, Uchida T, Uchida T, Udagawa T, Ueda S, Ueda Y, Ueki K, Ugni S, Ugwu E, Umeno R, Unekawa C, Uozumi K, Urquia K, Valleteau A, Valletta C, van Erp R, Vanhoy C, Varad V, Varma R, Varughese A, Vasquez P, Vasseur A, Veelken R, Velagapudi C, Verdel K, Vettoretti S, Vezzoli G, Vielhauer V, Viera R, Vilar E, Villaruel S, Vinall L, Vinathan J, Visnjic M, Voigt E, von-Eynatten M, Vourvou M, Wada J, Wada J, Wada T, Wada Y, Wakayama K, Wakita Y, Wallendszus K, Walters T, Wan Mohamad WH, Wang L, Wang W, Wang X, Wang X, Wang Y, Wanner C, Wanninayake S, Watada H, Watanabe K, Watanabe K, Watanabe M, Waterfall H, Watkins D, Watson S, Weaving L, Weber B, Webley Y, Webster A, Webster M, Weetman M, Wei W, Weihprecht H, Weiland L, Weinmann-Menke J, Weinreich T, Wendt R, Weng Y, Whalen M, Whalley G, Wheatley R, Wheeler A, Wheeler J, Whelton P, White K, Whitmore B, Whittaker S, Wiebel J, Wiley J, Wilkinson L, Willett M, Williams A, Williams E, Williams K, Williams T, Wilson A, Wilson P, Wincott L, Wines E, Winkelmann B, Winkler M, Winter-Goodwin B, Witczak J, Wittes J, Wittmann M, Wolf G, Wolf L, Wolfling R, Wong C, Wong E, Wong HS, Wong LW, Wong YH, Wonnacott A, Wood A, Wood L, Woodhouse H, Wooding N, Woodman A, Wren K, Wu J, Wu P, Xia S, Xiao H, Xiao X, Xie Y, Xu C, Xu Y, Xue H, Yahaya H, Yalamanchili H, Yamada A, Yamada N, Yamagata K, Yamaguchi M, Yamaji Y, Yamamoto A, Yamamoto S, Yamamoto S, Yamamoto T, Yamanaka A, Yamano T, Yamanouchi Y, Yamasaki N, Yamasaki Y, Yamasaki Y, Yamashita C, Yamauchi T, Yan Q, Yanagisawa E, Yang F, Yang L, Yano S, Yao S, Yao Y, Yarlagadda S, Yasuda Y, Yiu V, Yokoyama T, Yoshida S, Yoshidome E, Yoshikawa H, Young A, Young T, Yousif V, Yu H, Yu Y, Yuasa K, Yusof N, Zalunardo N, Zander B, Zani R, Zappulo F, Zayed M, Zemann B, Zettergren P, Zhang H, Zhang L, Zhang L, Zhang N, Zhang X, Zhao J, Zhao L, Zhao S, Zhao Z, Zhong H, Zhou N, Zhou S, Zhu D, Zhu L, Zhu S, Zietz M, Zippo M, Zirino F, Zulkipli FH. Impact of primary kidney disease on the effects of empagliflozin in patients with chronic kidney disease: secondary analyses of the EMPA-KIDNEY trial. Lancet Diabetes Endocrinol 2024; 12:51-60. [PMID: 38061372 DOI: 10.1016/s2213-8587(23)00322-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND The EMPA-KIDNEY trial showed that empagliflozin reduced the risk of the primary composite outcome of kidney disease progression or cardiovascular death in patients with chronic kidney disease mainly through slowing progression. We aimed to assess how effects of empagliflozin might differ by primary kidney disease across its broad population. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA). Patients were eligible if their estimated glomerular filtration rate (eGFR) was 20 to less than 45 mL/min per 1·73 m2, or 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher at screening. They were randomly assigned (1:1) to 10 mg oral empagliflozin once daily or matching placebo. Effects on kidney disease progression (defined as a sustained ≥40% eGFR decline from randomisation, end-stage kidney disease, a sustained eGFR below 10 mL/min per 1·73 m2, or death from kidney failure) were assessed using prespecified Cox models, and eGFR slope analyses used shared parameter models. Subgroup comparisons were performed by including relevant interaction terms in models. EMPA-KIDNEY is registered with ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroupings by primary kidney disease included 2057 (31·1%) participants with diabetic kidney disease, 1669 (25·3%) with glomerular disease, 1445 (21·9%) with hypertensive or renovascular disease, and 1438 (21·8%) with other or unknown causes. Kidney disease progression occurred in 384 (11·6%) of 3304 patients in the empagliflozin group and 504 (15·2%) of 3305 patients in the placebo group (hazard ratio 0·71 [95% CI 0·62-0·81]), with no evidence that the relative effect size varied significantly by primary kidney disease (pheterogeneity=0·62). The between-group difference in chronic eGFR slopes (ie, from 2 months to final follow-up) was 1·37 mL/min per 1·73 m2 per year (95% CI 1·16-1·59), representing a 50% (42-58) reduction in the rate of chronic eGFR decline. This relative effect of empagliflozin on chronic eGFR slope was similar in analyses by different primary kidney diseases, including in explorations by type of glomerular disease and diabetes (p values for heterogeneity all >0·1). INTERPRETATION In a broad range of patients with chronic kidney disease at risk of progression, including a wide range of non-diabetic causes of chronic kidney disease, empagliflozin reduced risk of kidney disease progression. Relative effect sizes were broadly similar irrespective of the cause of primary kidney disease, suggesting that SGLT2 inhibitors should be part of a standard of care to minimise risk of kidney failure in chronic kidney disease. FUNDING Boehringer Ingelheim, Eli Lilly, and UK Medical Research Council.
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Wu A, Niu J, Hong Z, Gu L, Huang Y, Qiu L. The effects of 5-aminolevulinic acid photodynamic therapy on the local immune response of women with cervical intraepithelial neoplasia grade 2. Front Immunol 2023; 14:1211114. [PMID: 37928525 PMCID: PMC10623119 DOI: 10.3389/fimmu.2023.1211114] [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] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 09/11/2023] [Indexed: 11/07/2023] Open
Abstract
Objective To evaluate and elucidate the effects and mechanism of 5-aminolevulinic acid photodynamic therapy (ALA-PDT) on the local immune response of women with cervical intraepithelial neoplasia grade 2 (CIN2). Materials and methods Immunofluorescence staining was used to compare immune cells infiltration before and after ALA-PDT in 23 patients with CIN2. The infiltration of immune cells into the cervical tissues of patients with different outcomes was also compared at the 6-month follow-up period. Immune cell counts in samples collected before and after treatment were compared. Results We found an increased number of CD8+ T cell infiltration, an increased proportion of CD8+ T cells expressing Granzyme B (GrB), Chemokine receptor 3 (CXCR3), and CD8+ tissue-resident memory T (TRM) cells, and a decreased proportion of CD8+ T cells expressing PD-1 in patients with CIN2 compared to that before ALA-PDT. Moreover, at the 6-month follow-up, there was higher infiltration of CD8+ T and CD8+ TRM cells, higher expression of GrB and CXCR3, and lower expression of PD-1 on CD8+ T cells in the HPV clearance and CIN2 disappearance groups than in the HPV-positive and CIN2 regression groups. However, no significant difference was observed in the number of CD8+ TSCM following ALA-PDT. Conclusion ALA-PDT could activate CD8+ T cell responses by modulating the expression of CXCR3 and PD-1 in CD8+ T cells and increasing the infiltration of CD8+ TRM cells. And the infiltration of CD8+ T cells is correlated with the prognosis of CIN2.
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Affiliation(s)
- Anyue Wu
- Department of Obstetrics and Gynecology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
- Shanghai Key Laboratory of Gynecologic Oncology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Jing Niu
- Department of Obstetrics and Gynecology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
- Shanghai Key Laboratory of Gynecologic Oncology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Zubei Hong
- Department of Obstetrics and Gynecology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
- Shanghai Key Laboratory of Gynecologic Oncology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Liying Gu
- Department of Obstetrics and Gynecology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
- Shanghai Key Laboratory of Gynecologic Oncology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Yuli Huang
- Department of Obstetrics and Gynecology, Chongming Hospital, Shanghai University of Medicine and Health Sciences, Shanghai, China
| | - Lihua Qiu
- Department of Obstetrics and Gynecology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
- Shanghai Key Laboratory of Gynecologic Oncology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
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Zhou Q, Lei X, Niu J, Chen Y, Shen X, Zhang N. A new hemiacetal chromone racemate and α-glucosidase inhibitors from Ficus tikoua Bur. Nat Prod Res 2023; 37:3267-3275. [PMID: 35469532 DOI: 10.1080/14786419.2022.2068544] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 04/05/2022] [Accepted: 04/15/2022] [Indexed: 10/18/2022]
Abstract
From the petroleum ether and ethyl acetate portions of the 95% ethanol extract of Ficus tikoua Bur., a new hemiacetal chromone racemate, named (±)-ficunomone (1), together with twenty-two known flavonoids (2-23) were isolated. The new structure was elucidated by NMR, HRESIMS, and X-ray single-crystal diffraction analysis, and the known structures were determined by comparison of spectroscopic data with those reported from literatures. All the compounds were assayed for their inhibitory activities against yeast α-glucosidase, seven flavonoids could inhibit α-glucosidase, among which compounds 22 and 23 exhibited the highest inhibitory activity, with IC50 values at 5.12 ± 0.10 and 3.43 ± 0.15 μM respectively. Preliminary structure and relationship activity of all the compounds was analysed. Kinetic analysis of compounds 22 and 23 indicated that they are both uncompetitive inhibitors. Molecular docking studies revealed that they bound to amino acid residues of the α-glucosidase activity pocket.
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Affiliation(s)
- Qinru Zhou
- The State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang, People's Republic of China
- High Efficacy Application of Natural Medicinal Resources Engineering Center of Guizhou Province, High Educational Key Laboratory of Guizhou Province for Natural Medicinal Pharmacology and Drug Ability, Key Laboratory of Optimal Utilization of Natural Medicinal Resources, Guizhou Medical University, Guiyang, People's Republic of China
| | - Xinyu Lei
- The State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang, People's Republic of China
- High Efficacy Application of Natural Medicinal Resources Engineering Center of Guizhou Province, High Educational Key Laboratory of Guizhou Province for Natural Medicinal Pharmacology and Drug Ability, Key Laboratory of Optimal Utilization of Natural Medicinal Resources, Guizhou Medical University, Guiyang, People's Republic of China
| | - Jing Niu
- High Efficacy Application of Natural Medicinal Resources Engineering Center of Guizhou Province, High Educational Key Laboratory of Guizhou Province for Natural Medicinal Pharmacology and Drug Ability, Key Laboratory of Optimal Utilization of Natural Medicinal Resources, Guizhou Medical University, Guiyang, People's Republic of China
| | - Yan Chen
- The State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang, People's Republic of China
- High Efficacy Application of Natural Medicinal Resources Engineering Center of Guizhou Province, High Educational Key Laboratory of Guizhou Province for Natural Medicinal Pharmacology and Drug Ability, Key Laboratory of Optimal Utilization of Natural Medicinal Resources, Guizhou Medical University, Guiyang, People's Republic of China
| | - Xiangchun Shen
- The State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang, People's Republic of China
- High Efficacy Application of Natural Medicinal Resources Engineering Center of Guizhou Province, High Educational Key Laboratory of Guizhou Province for Natural Medicinal Pharmacology and Drug Ability, Key Laboratory of Optimal Utilization of Natural Medicinal Resources, Guizhou Medical University, Guiyang, People's Republic of China
| | - Nenling Zhang
- The State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang, People's Republic of China
- High Efficacy Application of Natural Medicinal Resources Engineering Center of Guizhou Province, High Educational Key Laboratory of Guizhou Province for Natural Medicinal Pharmacology and Drug Ability, Key Laboratory of Optimal Utilization of Natural Medicinal Resources, Guizhou Medical University, Guiyang, People's Republic of China
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Chu Q, Liu P, Song Y, Yang R, An J, Zhai X, Niu J, Yang C, Li B. Stearate-derived very long-chain fatty acids are indispensable to tumor growth. EMBO J 2023; 42:e114802. [PMID: 37496466 PMCID: PMC10476168 DOI: 10.15252/embj.2023114802] [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] [Received: 06/20/2023] [Accepted: 07/11/2023] [Indexed: 07/28/2023] Open
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Wang H, Breadner DA, Deng K, Niu J. CircRHOT1 restricts gastric cancer cell ferroptosis by epigenetically regulating GPX4. J Gastrointest Oncol 2023; 14:1715-1725. [PMID: 37720433 PMCID: PMC10502555 DOI: 10.21037/jgo-23-550] [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] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Accepted: 08/18/2023] [Indexed: 09/19/2023] Open
Abstract
Background Gastric cancer (GC) is a malignant form of cancer that severely threatens human health. Despite developments on treatment, the prognosis of patients with advanced GC remains poor. Hence, the identification of detailed molecular mechanisms and potential therapeutic targets is of great importance for GC study. In recent years, circular RNAs have been widely reported to be important regulators in cancer initiation and progression. This study sought to evaluate the function of circRHOT1 in GC development. Methods Clinical specimens were collected from patients with GC to detect the level of circRHOT1. The expression of circRHOT1 in several GC cell lines was detected by quantitative real-time polymerase chain reaction. Cell Counting Kit 8 (CCK-8), colony formation, and xenograft tumor growth experiments were performed to check cell proliferation. Cell ferroptosis was determined by the levels of intracellular iron, Fe2+ (Divalent iron ion), lipid reactive oxygen species, malondialdehyde, and glutathione. The protein levels of SLC7A11 and glutathione peroxidase-4 (GPX4) were detected by western blot assays. The epigenetic regulation of the GPX4 gene was analyzed by chromatin immunoprecipitation assays. Results CircRHOT1 was more highly expressed in the GC tumors than the adjacent non-tumor tissues. The knockdown of circRHOT1 significantly suppressed cell growth (P<0.05) and stimulated the ferroptosis of the GC cells (P<0.05). CircRHOT1 recruited KAT5 (Acetyltransferase Tip60) to promote the acetylation of lysine 27 on histone H3 protein subunit (H3k27Ac) of the GPX4 gene and stimulated gene transcription. The overexpression of KAT5 and GPX4 notably reversed the anti-proliferation effect of circRHOT1 depletion (P<0.05). Conclusions CircRHOT1 promoted GC progression and suppressed ferroptosis by recruiting KAT5 to initiate GPX4 transcription. Our findings showed that cirRHOT1 is a promising target for GC treatment.
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Affiliation(s)
- Huan Wang
- Department of Medical Oncology, Qilu Hospital (Qingdao), Cheeloo College of Medicine, Shandong University, Qingdao, China
| | - Daniel Adam Breadner
- Department of Oncology, Schulich School of Medicine and Dentistry at Western University, London, ON, Canada
| | - Ke Deng
- Department of General Surgery, Qilu Hospital (Qingdao), Cheeloo College of Medicine, Shandong University, Qingdao, China
| | - Jing Niu
- Health Management Center, Qilu Hospital of Shandong University (Qingdao), Qingdao, China
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Niu J, Feng F, Zhang S, Zhu Y, Song R, Li J, Zhao L, Wang H, Zhao Y, Zhang M. Thrombospondin-2 Couples Pressure-Promoted Chondrogenesis through NF-κB Signaling. Tissue Eng Regen Med 2023; 20:753-766. [PMID: 37219820 PMCID: PMC10352201 DOI: 10.1007/s13770-023-00548-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 03/03/2023] [Accepted: 04/20/2023] [Indexed: 05/24/2023] Open
Abstract
BACKGROUND Our previous studies found that the mechanical stimulation promote chondrogenic differentiation of bone marrow mesenchymal stem cells (BMSCs), along with up-regulation of thrombospondin-2 (TSP-2). The aim of this study was to explore the effect of thrombospondin-2 (TSP-2) on the mechanical pressure-stimulated chondrogenic differentiation of BMSCs and the possible role of NF-κB signaling in the mechano-chemical coupling regulation toward chondrogenesis. METHODS Rat BMSCs were isolated, cultured and identified. The time-dependent expressions of TSP-2 and Sox9 in BMSCs under a dynamic mechanical pressure of 0-120 kPa at 0.1 Hz for 1 h were tested by qPCR and Western blotting. The role of TSP-2 in chondrogenic differentiation of BMSCs under mechanical pressure was validated by using small interfering RNA. The impact of TSP-2 and mechanical pressure on chondrogenesis were detected and the downstream signaling molecules were explored using Western blotting. RESULTS Mechanical pressure stimulation of 0-120 kPa for 1 h significantly upregulated the expression of TSP-2 in BMSCs. The expression of the chondrogenesis markers Sox9, Aggrecan, and Col-II were all upregulated under dynamic mechanical pressure or TSP-2 stimulation. Additional exogenous TSP-2 may potentiate the chondrogenic effect of mechanical stimulation. After knock down TSP-2, the upregulation of Sox9, Aggrecan and Col-II under mechanical pressure was inhibited. The NF-κB signaling pathway responded to both dynamic pressure and TSP-2 stimulation, and the cartilage-promoting effect was blocked by an NF-κB signaling inhibitor. CONCLUSION TSP-2 plays an essential role in the chondrogenic differentiation of BMSCs under mechanical pressure. NF-κB signaling is involved in the mechano-chemical coupling of TSP-2 and mechanical pressure for the chondrogenic differentiation of BMSCs.
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Affiliation(s)
- Jing Niu
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Disease, Department of General Dentistry and Emergency, School of Stomatology, Fourth Military Medical University, Xi'an, 710032, People's Republic of China
- The College of Life Sciences and Medicine, Northwest University, Xi'an, People's Republic of China
| | - Fan Feng
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Disease, Department of General Dentistry and Emergency, School of Stomatology, Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - Songbai Zhang
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Disease, Department of General Dentistry and Emergency, School of Stomatology, Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - Yue Zhu
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Disease, Department of General Dentistry and Emergency, School of Stomatology, Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - Runfang Song
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Disease, Department of General Dentistry and Emergency, School of Stomatology, Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - Junrong Li
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Disease, Department of General Dentistry and Emergency, School of Stomatology, Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - Liang Zhao
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Disease, Department of General Dentistry and Emergency, School of Stomatology, Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - Hui Wang
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Disease, Department of General Dentistry and Emergency, School of Stomatology, Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - Ying Zhao
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Disease, Department of General Dentistry and Emergency, School of Stomatology, Fourth Military Medical University, Xi'an, 710032, People's Republic of China.
- Department of Anesthesiology and Perioperative Medicine, Xi'an People's Hospital (Xi'an Fourth Hospital), Northwest University, Xi'an, 710004, People's Republic of China.
| | - Min Zhang
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Disease, Department of General Dentistry and Emergency, School of Stomatology, Fourth Military Medical University, Xi'an, 710032, People's Republic of China.
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Tie J, Gou X, He C, Li K, Yuan X, Jia W, Niu J, Han N, Xu J, Zhu Y, Wang W. Transjugular intrahepatic collateral-systemic shunt is effective for cavernous transformation of the portal vein with variceal bleeding. Hepatol Int 2023; 17:979-988. [PMID: 37097537 PMCID: PMC10386942 DOI: 10.1007/s12072-023-10522-z] [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] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 03/13/2023] [Indexed: 04/26/2023]
Abstract
BACKGROUND The transjugular intrahepatic portal collateral-systemic shunt (transcollateral TIPS) is used to treat portal hypertension-related complications in patients with cavernous transformation of the portal vein (CTPV) and whose main portal vein cannot be recanalized. It is still not clear whether transcollateral TIPS can be as effective as portal vein recanalization-transjugular intrahepatic portosystemic shunt (PVR-TIPS). This study aimed to evaluate the efficacy and safety of transcollateral TIPS in the treatment of refractory variceal bleeding with CTPV. METHODS Patients with refractory variceal bleeding caused by CTPV were selected from the database of consecutive patients treated with TIPS in Xijing Hospital from January 2015 to March 2022. They were divided into the transcollateral TIPS group and the PVR-TIPS group. The rebleeding rate, overall survival, shunt dysfunction, overt hepatic encephalopathy (OHE) and operation-related complications were analyzed. RESULTS A total of 192 patients were enrolled, including 21 patients with transcollateral TIPS and 171 patients with PVR-TIPS. Compared with the patients with PVR-TIPS, the patients with transcollateral TIPS had more noncirrhosis (52.4 vs. 19.9%, p = 0.002), underwent fewer splenectomies (14.3 vs. 40.9%, p = 0.018), and had more extensive thromboses (38.1 vs. 15.2%, p = 0.026). There were no differences in rebleeding, survival, shunt dysfunction, or operation-related complication rates between the transcollateral TIPS and PVR-TIPS groups. However, the OHE rate was significantly lower in the transcollateral TIPS group (9.5 vs. 35.1%, p = 0.018). CONCLUSION Transcollateral TIPS is an effective treatment for CTPV with refractory variceal bleeding.
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Affiliation(s)
- Jun Tie
- National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Xijing Hospital, Air Force Medical University, Xi'an, 710032, Shaanxi, China.
| | - Xiaoyuan Gou
- National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Xijing Hospital, Air Force Medical University, Xi'an, 710032, Shaanxi, China
| | - Chuangye He
- National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Xijing Hospital, Air Force Medical University, Xi'an, 710032, Shaanxi, China
| | - Kai Li
- National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Xijing Hospital, Air Force Medical University, Xi'an, 710032, Shaanxi, China
| | - Xulong Yuan
- National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Xijing Hospital, Air Force Medical University, Xi'an, 710032, Shaanxi, China
| | - Wenyuan Jia
- National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Xijing Hospital, Air Force Medical University, Xi'an, 710032, Shaanxi, China
| | - Jing Niu
- National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Xijing Hospital, Air Force Medical University, Xi'an, 710032, Shaanxi, China
| | - Na Han
- National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Xijing Hospital, Air Force Medical University, Xi'an, 710032, Shaanxi, China
| | - Jiao Xu
- National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Xijing Hospital, Air Force Medical University, Xi'an, 710032, Shaanxi, China
| | - Ying Zhu
- National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Xijing Hospital, Air Force Medical University, Xi'an, 710032, Shaanxi, China
| | - Wenlan Wang
- Department of Aerospace Hygiene, School of Aerospace Medicine, Air Force Medical University, Xi'an, 710032, Shaanxi, China.
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10
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Fu LR, Xiao MY, Jia MH, Song LJ, Li XH, Niu J, Wang XW, Zhang ZY, Ma YL, Luo HB. [Analysis on survival time and influencing factors among reported HIV/AIDS in Yunnan Province, 1989-2021]. Zhonghua Liu Xing Bing Xue Za Zhi 2023; 44:960-965. [PMID: 37380420 DOI: 10.3760/cma.j.cn112338-20221019-00890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Subscribe] [Scholar Register] [Indexed: 06/30/2023]
Abstract
Objective: To analyze the survival time of reported HIV/AIDS and influencing factors of Yunnan Province from 1989 to 2021. Methods: The data were extracted from the Chinese HIV/AIDS comprehensive response information management system. The retrospective cohort study was conducted. The life table method was applied to calculate the survival probability. Kaplan-Meier was used to draw survival curves in different situations. Furthermore, the Cox proportion hazard regression model was constructed to identify the factors related to survival time. Results: Of the 174 510 HIV/AIDS, the all-cause mortality density was 4.23 per 100 person-years, the median survival time was 20.00 (95%CI:19.52-20.48) years, and the cumulative survival rates in 1, 10, 20, and 30 years were 90.75%, 67.50%, 47.93% and 30.85%. Multivariate Cox proportional risk regression model results showed that the risk of death among 0-14 and 15-49 years old groups were 0.44 (95%CI: 0.34-0.56) times and 0.51 (95%CI:0.50-0.52) times of ≥50 years old groups. The risk for death among the first CD4+T lymphocytes counts (CD4) counts levels of 200-349 cells/μl, 350-500 cells/μl and ≥501 cells/μl groups were 0.52 (95%CI: 0.50-0.53) times, 0.41 (95%CI: 0.40-0.42) times and 0.35 (95%CI: 0.34-0.36) times of 0-199 cells/μl groups. The risk of death among the cases that have not received antiretroviral therapy (ART) was 11.56 (95%CI: 11.26-11.87) times. The risk for death among the cases losing to ART, stopping to ART, both losing and stopping ART was 1.66 (95%CI:1.61-1.72) times, 2.49 (95%CI:2.39-2.60) times, and 1.65 (95%CI:1.53-1.78) times of the cases on ART. Conclusions: The influencing factors for the survival time of HIV/AIDS cases were age at diagnosis in Yunnan province from 1989 to 2021. The first CD4 counts levels, antiretroviral therapy, and ART compliance. Early diagnosis, early antiretroviral therapy, and increasing ART compliance could extend the survival time of HIV/AIDS cases.
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Affiliation(s)
- L R Fu
- Yunnan Center for Disease Control and Prevention, Kunming 650022, China
| | - M Y Xiao
- Yunnan Center for Disease Control and Prevention, Kunming 650022, China
| | - M H Jia
- Yunnan Center for Disease Control and Prevention, Kunming 650022, China
| | - L J Song
- Yunnan Center for Disease Control and Prevention, Kunming 650022, China
| | - X H Li
- Yunnan Center for Disease Control and Prevention, Kunming 650022, China
| | - J Niu
- Yunnan Center for Disease Control and Prevention, Kunming 650022, China
| | - X W Wang
- Yunnan Center for Disease Control and Prevention, Kunming 650022, China
| | - Z Y Zhang
- Yunnan Center for Disease Control and Prevention, Kunming 650022, China
| | - Y L Ma
- Yunnan Center for Disease Control and Prevention, Kunming 650022, China
| | - H B Luo
- Yunnan Center for Disease Control and Prevention, Kunming 650022, China
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11
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Yang C, Zhao Y, Wang L, Guo Z, Ma L, Yang R, Wu Y, Li X, Niu J, Chu Q, Fu Y, Li B. De novo pyrimidine biosynthetic complexes support cancer cell proliferation and ferroptosis defence. Nat Cell Biol 2023; 25:836-847. [PMID: 37291265 DOI: 10.1038/s41556-023-01146-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Accepted: 04/13/2023] [Indexed: 06/10/2023]
Abstract
De novo pyrimidine biosynthesis is achieved by cytosolic carbamoyl-phosphate synthetase II, aspartate transcarbamylase and dihydroorotase (CAD) and uridine 5'-monophosphate synthase (UMPS), and mitochondrial dihydroorotate dehydrogenase (DHODH). However, how these enzymes are orchestrated remains enigmatical. Here we show that cytosolic glutamate oxaloacetate transaminase 1 clusters with CAD and UMPS, and this complex then connects with DHODH, which is mediated by the mitochondrial outer membrane protein voltage-dependent anion-selective channel protein 3. Therefore, these proteins form a multi-enzyme complex, named 'pyrimidinosome', involving AMP-activated protein kinase (AMPK) as a regulator. Activated AMPK dissociates from the complex to enhance pyrimidinosome assembly but inactivated UMPS, which promotes DHODH-mediated ferroptosis defence. Meanwhile, cancer cells with lower expression of AMPK are more reliant on pyrimidinosome-mediated UMP biosynthesis and more vulnerable to its inhibition. Our findings reveal the role of pyrimidinosome in regulating pyrimidine flux and ferroptosis, and suggest a pharmaceutical strategy of targeting pyrimidinosome in cancer treatment.
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Affiliation(s)
- Chuanzhen Yang
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Yiliang Zhao
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Liao Wang
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Capital Medical University, Beijing, China
- Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan, China
| | - Zihao Guo
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Lingdi Ma
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Ronghui Yang
- Beijing Institute of Hepatology, Beijing Youan Hospital, Capital Medical University, Beijing, China
| | - Ying Wu
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Xuexue Li
- Beijing Institute of Hepatology, Beijing Youan Hospital, Capital Medical University, Beijing, China
| | - Jing Niu
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Qiaoyun Chu
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Yanxia Fu
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Binghui Li
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Capital Medical University, Beijing, China.
- Beijing Institute of Hepatology, Beijing Youan Hospital, Capital Medical University, Beijing, China.
- Department of Cancer Cell Biology and National Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China.
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12
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Niu J, Liu Y, Wang J, Wang H, Zhao Y, Zhang M. Thrombospondin-2 acts as a critical regulator of cartilage regeneration: A review. Medicine (Baltimore) 2023; 102:e33651. [PMID: 37115081 PMCID: PMC10145989 DOI: 10.1097/md.0000000000033651] [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] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Revised: 03/15/2023] [Accepted: 04/10/2023] [Indexed: 04/29/2023] Open
Abstract
The degeneration of articular cartilage tissue is the most common cause of articular cartilage diseases such as osteoarthritis. There are limitations in chondrocyte self-renewal and conventional treatments. During cartilage regeneration and repair, growth factors are typically used to induce cartilage differentiation in stem cells. The role of thrombospondin-2 in cartilage formation has received much attention in recent years. This paper reviews the role of thrombospondin-2 in cartilage regeneration and the important role it plays in protecting cartilage from damage caused by inflammation or trauma and in the regenerative repair of cartilage by binding to different receptors and activating different intracellular signaling pathways. These studies provide new ideas for cartilage repair in clinical settings.
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Affiliation(s)
- Jing Niu
- The College of Life Sciences and Medicine, Northwest University, Xi’an, P. R. China
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Disease, Department of General Dentistry and Emergency, School of Stomatology, Fourth Military Medical University, Xi’an, P. R. China
| | - Yanli Liu
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Disease, Department of General Dentistry and Emergency, School of Stomatology, Fourth Military Medical University, Xi’an, P. R. China
| | - Junjun Wang
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Disease, Department of General Dentistry and Emergency, School of Stomatology, Fourth Military Medical University, Xi’an, P. R. China
| | - Hui Wang
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Disease, Department of General Dentistry and Emergency, School of Stomatology, Fourth Military Medical University, Xi’an, P. R. China
| | - Ying Zhao
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Disease, Department of General Dentistry and Emergency, School of Stomatology, Fourth Military Medical University, Xi’an, P. R. China
- Department of Anesthesiology and Perioperative Medicine, Xi’an People’s Hospital (Xi’an Fourth Hospital), Northwest University, Xi’an, P. R. China
| | - Min Zhang
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Disease, Department of General Dentistry and Emergency, School of Stomatology, Fourth Military Medical University, Xi’an, P. R. China
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13
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Chu Q, Liu P, Song Y, Yang R, An J, Zhai X, Niu J, Yang C, Li B. Stearate-derived very long-chain fatty acids are indispensable to tumor growth. EMBO J 2023; 42:e111268. [PMID: 36408830 PMCID: PMC9841326 DOI: 10.15252/embj.2022111268] [Citation(s) in RCA: 5] [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] [Received: 03/24/2022] [Revised: 10/24/2022] [Accepted: 10/25/2022] [Indexed: 11/22/2022] Open
Abstract
Reprogramming of lipid metabolism is emerging as a hallmark of cancer, yet involvement of specific fatty acids (FA) species and related enzymes in tumorigenesis remains unclear. While previous studies have focused on involvement of long-chain fatty acids (LCFAs) including palmitate in cancer, little attention has been paid to the role of very long-chain fatty acids (VLCFAs). Here, we show that depletion of acetyl-CoA carboxylase (ACC1), a critical enzyme involved in the biosynthesis of fatty acids, inhibits both de novo synthesis and elongation of VLCFAs in human cancer cells. ACC1 depletion markedly reduces cellular VLCFA but only marginally influences LCFA levels, including palmitate that can be nutritionally available. Therefore, tumor growth is specifically susceptible to regulation of VLCFAs. We further demonstrate that VLCFA deficiency results in a significant decrease in ceramides as well as downstream glucosylceramides and sphingomyelins, which impairs mitochondrial morphology and renders cancer cells sensitive to oxidative stress and cell death. Taken together, our study highlights that VLCFAs are selectively required for cancer cell survival and reveals a potential strategy to suppress tumor growth.
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Affiliation(s)
- Qiaoyun Chu
- Department of Biochemistry and Molecular BiologyCapital Medical UniversityBeijingChina
| | - Ping Liu
- Department of Biochemistry and Molecular BiologyCapital Medical UniversityBeijingChina
- Department of GeriatricsXinhua Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghaiChina
| | - Yihan Song
- Department of Biochemistry and Molecular BiologyCapital Medical UniversityBeijingChina
| | - Ronghui Yang
- Department of Biochemistry and Molecular BiologyCapital Medical UniversityBeijingChina
- Beijing Institute of Hepatology, Beijing Youan HospitalCapital Medical UniversityBeijingChina
| | - Jing An
- Department of Biochemistry and Molecular BiologyCapital Medical UniversityBeijingChina
| | - Xuewei Zhai
- Department of Biochemistry and Molecular BiologyCapital Medical UniversityBeijingChina
| | - Jing Niu
- Department of Biochemistry and Molecular BiologyCapital Medical UniversityBeijingChina
| | - Chuanzhen Yang
- Department of Biochemistry and Molecular BiologyCapital Medical UniversityBeijingChina
- Beijing Institute of Hepatology, Beijing Youan HospitalCapital Medical UniversityBeijingChina
| | - Binghui Li
- Department of Biochemistry and Molecular BiologyCapital Medical UniversityBeijingChina
- Beijing Institute of Hepatology, Beijing Youan HospitalCapital Medical UniversityBeijingChina
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Yang Y, He C, Yuan X, Li K, Jia W, Niu J, Han N, Xu J, Zhu Y, Xu L, Mao Y, Xu Y, Gou X, Tie J. Portal Fibrotic Cord is Associated with Transjugular Intrahepatic Portosystemic Shunt Failure and Death in Cirrhotic Patients. J Clin Transl Hepatol 2023. [DOI: 10.14218/jcth.2022.00391] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
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15
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Balevic SJ, Niu J, Chen J, Green D, McMahon A, Hornik CP, Schanberg L, Glaser R, Gonzalez D, Burckart GJ. Extrapolation of Adult Efficacy Data to Pediatric Systemic Lupus Erythematosus: Evaluating Similarities in Exposure-Response. J Clin Pharmacol 2023; 63:105-118. [PMID: 35968821 PMCID: PMC9771895 DOI: 10.1002/jcph.2139] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Accepted: 08/07/2022] [Indexed: 12/24/2022]
Abstract
To streamline drug development, the United States Food and Drug Administration (FDA) can consider the extrapolation of adult efficacy data to children when the disease and drug effects are sufficiently similar. This study explored whether the relationship between drug exposure and response for selected drugs in systemic lupus erythematosus (SLE) was sufficiently similar to support a consideration of the extrapolation of adult efficacy data to children of ≥5 years of age. An exposure-response analysis of drugs used to treat SLE was conducted using published exposure versus response and efficacy versus time data. Statistical analyses included noncompartmental analysis of a drug's area under the effect curve and direct Imax pharmacodynamic (PD) modeling. Six drugs were included: azathioprine, belimumab, cyclophosphamide, hydroxychloroquine, mycophenolate/mycophenolic acid, and rituximab. For belimumab, the net change in responders at week 52 (the primary end point) was nearly identical between 1 adult trial and the pediatric trial. For mycophenolate, PD modeling suggested no significant differences in exposure and SLE disease activity between adults and children. For azathioprine, cyclophosphamide, hydroxychloroquine, and rituximab the data were not sufficient to quantitatively characterize the exposure-response relationship, but the clinical or pharmacologic response between children and adults was similar overall. Adult SLE data should be leveraged to guide pediatric drug development programs and identify areas with residual uncertainty regarding the effectiveness or safety of a drug in children. The degree to which efficacy extrapolation can reduce clinical trial requirements in pediatric SLE should be individualized for each new drug product, depending in part on the mechanism of action of the drug and the similarity of disease manifestations in children and adults.
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Affiliation(s)
| | - Jing Niu
- Office of Clinical Pharmacology, Center for Drug Evaluation and Research (CDER), United States Food and Drug Administration (FDA), Silver Spring, MD
| | - Jianmeng Chen
- Office of Clinical Pharmacology, Center for Drug Evaluation and Research (CDER), United States Food and Drug Administration (FDA), Silver Spring, MD
| | - Dionna Green
- Office of Pediatric Therapeutics, Office of the Commissioner, United States Food and Drug Administration (FDA), Silver Spring, MD
| | - Ann McMahon
- Office of Pediatric Therapeutics, Office of the Commissioner, United States Food and Drug Administration (FDA), Silver Spring, MD
| | | | - Laura Schanberg
- Duke University, Durham, NC
- Duke Clinical Research Institute, Durham, NC
| | - Rachel Glaser
- Division of Rheumatology and Transplant Medicine, Office of Immunology and Inflammation, Office of New Drugs, CDER, FDA, Silver Spring, MD
| | - Daniel Gonzalez
- Division of Pharmacotherapy and Experimental Therapeutics, UNC Eshelman School of Pharmacy, The University of North Carolina at Chapel Hill, Chapel Hill, NC
| | - Gilbert J. Burckart
- Office of Clinical Pharmacology, Center for Drug Evaluation and Research (CDER), United States Food and Drug Administration (FDA), Silver Spring, MD
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Gou X, Jia W, He C, Yuan X, Niu J, Xu J, Han N, Zhu Y, Wang W, Tie J. Hepatic hydrothorax does not increase the risk of death after transjugular intrahepatic portosystemic shunt in cirrhosis patients. Eur Radiol 2022; 33:3407-3415. [PMID: 36576548 PMCID: PMC10121519 DOI: 10.1007/s00330-022-09357-3] [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: 09/05/2022] [Revised: 11/11/2022] [Accepted: 11/30/2022] [Indexed: 12/29/2022]
Abstract
OBJECTIVES Hepatic hydrothorax (HH) is a predictor of poor survival in cirrhosis patients. However, whether HH increases the mortality risk of cirrhosis patients treated with transjugular intrahepatic portosystemic shunt (TIPS) is unknown. Our objective was to evaluate the influence of HH on the survival of cirrhosis patients after TIPS. METHODS Cirrhosis patients with portal hypertension complications were selected from a prospective database of consecutive patients treated with TIPS in Xijing Hospital from January 2015 to June 2021. Cirrhosis patients with HH were treated as the experimental group. A control group of cirrhosis patients without HH was created using propensity score matching. Survival after TIPS and the related risk factors were analysed. RESULTS There were 1292 cirrhosis patients with portal hypertension complications treated with TIPS, among whom 255 patients had HH. Compared with patients without HH, patients with HH had worse liver function (MELD, 12 vs. 10, p < 0.001), but no difference in survival after TIPS was observed. After propensity score matching, 243 patients with HH and 243 patients without HH were enrolled. There was no difference in cumulative survival between patients with and without HH. Cox regression analysis showed that HH was not associated with survival after TIPS, and main portal vein thrombosis (> 50%) was a prognostic factor of long-term survival after TIPS in cirrhosis patients (hazard ratio, 1.386; 95% CI, 1.030-1.865, p = 0.031). CONCLUSION Hepatic hydrothorax does not increase the risk of death after TIPS in cirrhosis patients. KEY POINTS • Hepatic hydrothorax is a decompensated event of cirrhosis and increases the risk of death. • Hepatic hydrothorax is associated with worse liver function. • Hepatic hydrothorax does not increase the mortality of cirrhosis treated with TIPS.
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Affiliation(s)
- Xiaoyuan Gou
- National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Air Force Medical University, Xi'an, 710032, Shaanxi, China
| | - Wenyuan Jia
- National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Air Force Medical University, Xi'an, 710032, Shaanxi, China
| | - Chuangye He
- National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Air Force Medical University, Xi'an, 710032, Shaanxi, China
| | - Xulong Yuan
- National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Air Force Medical University, Xi'an, 710032, Shaanxi, China
| | - Jing Niu
- National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Air Force Medical University, Xi'an, 710032, Shaanxi, China
| | - Jiao Xu
- National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Air Force Medical University, Xi'an, 710032, Shaanxi, China
| | - Na Han
- National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Air Force Medical University, Xi'an, 710032, Shaanxi, China
| | - Ying Zhu
- National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Air Force Medical University, Xi'an, 710032, Shaanxi, China
| | - Wenlan Wang
- Department of Aerospace Hygiene, School of Aerospace Medicine, Air Force Medical University, Xi'an, 710032, Shaanxi, China.
| | - Jun Tie
- National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Air Force Medical University, Xi'an, 710032, Shaanxi, China.
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Chu Q, An J, Liu P, Song Y, Zhai X, Yang R, Niu J, Yang C, Li B. Repurposing a tricyclic antidepressant in tumor and metabolism disease treatment through fatty acid uptake inhibition. J Exp Med 2022; 220:213757. [PMID: 36520461 PMCID: PMC9757841 DOI: 10.1084/jem.20221316] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 10/17/2022] [Accepted: 11/28/2022] [Indexed: 12/23/2022] Open
Abstract
Fatty acid uptake is essential for cell physiological function, but detailed mechanisms remain unclear. Here, we generated an acetyl-CoA carboxylases (ACC1/2) double-knockout cell line, which lacked fatty acid biosynthesis and survived on serum fatty acids and was used to screen for fatty acid uptake inhibitors. We identified a Food and Drug Administration-approved tricyclic antidepressant, nortriptyline, that potently blocked fatty acid uptake both in vitro and in vivo. We also characterized underlying mechanisms whereby nortriptyline provoked lysosomes to release protons and induce cell acidification to suppress macropinocytosis, which accounted for fatty acid endocytosis. Furthermore, nortriptyline alone or in combination with ND-646, a selective ACC1/2 inhibitor, significantly repressed tumor growth, lipogenesis, and hepatic steatosis in mice. Therefore, we show that cells actively take up fatty acids through macropinocytosis, and we provide a potential strategy suppressing tumor growth, lipogenesis, and hepatic steatosis through controlling the cellular level of fatty acids.
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Affiliation(s)
- Qiaoyun Chu
- Department of Biochemistry and Molecular Biology, Capital Medical University, Beijing, China
| | - Jing An
- Department of Biochemistry and Molecular Biology, Capital Medical University, Beijing, China
| | - Ping Liu
- Department of Biochemistry and Molecular Biology, Capital Medical University, Beijing, China
| | - Yihan Song
- Department of Biochemistry and Molecular Biology, Capital Medical University, Beijing, China
| | - Xuewei Zhai
- Department of Biochemistry and Molecular Biology, Capital Medical University, Beijing, China
| | - Ronghui Yang
- Department of Biochemistry and Molecular Biology, Capital Medical University, Beijing, China,Beijing Institute of Hepatology, Beijing Youan Hospital, Capital Medical University, Beijing, China
| | - Jing Niu
- Department of Biochemistry and Molecular Biology, Capital Medical University, Beijing, China
| | - Chuanzhen Yang
- Department of Biochemistry and Molecular Biology, Capital Medical University, Beijing, China
| | - Binghui Li
- Department of Biochemistry and Molecular Biology, Capital Medical University, Beijing, China,Beijing Institute of Hepatology, Beijing Youan Hospital, Capital Medical University, Beijing, China,Department of Cancer Cell Biology and National Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China,Correspondence to Binghui Li:
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Gong WN, Zhang YH, Niu J, Li XB. Effect of teach-back health education combined with structured psychological nursing on adverse emotion and patient cooperation during 99mTc-3PRGD2.SPECT/CT. World J Clin Cases 2022; 10:12551-12558. [PMID: 36579107 PMCID: PMC9791500 DOI: 10.12998/wjcc.v10.i34.12551] [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] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 10/13/2022] [Accepted: 10/27/2022] [Indexed: 12/02/2022] Open
Abstract
BACKGROUND 99mTc-3PRGD2.SPECT/CT is a commonly used examination method in nuclear medicine. However, patients receiving 99mTc-3PRGD2.SPECT/CT have insufficient knowledge of this method and worry about the examination results.
AIM To investigate the effect of teach-back health education combined with structured psychological nursing on adverse emotion and cooperation in patients undergoing 99mTc-3PRGD2.SPECT/CT examination.
METHODS Ninety patients undergoing 99mTc-3PRGD2.SPECT/CT examinations were divided into a study group and a control group using a simple random number table, and 45 cases were allocated to each group. Routine nursing was provided to the control group, and teach-back health education combined with structured psychological nursing was provided to the study group on the basis of the control group. Heart rate, diastolic blood pressure, systolic blood pressure, self-rating depression scale (SDS), and self-rating anxiety scale (SAS) were assessed before and after the intervention, and examination cooperation and intervention satisfaction were assessed in the two groups before, during, and after the examination.
RESULTS Before the examination, heart rate, diastolic blood pressure, and systolic blood pressure in the study group were not significantly different from the values of the control group (P > 0.05). The results of the study group before and after the examination were lower than those in the control group (P < 0.05). Before the intervention, SDS and SAS scores in the study group were not significantly different from those in the control group (P > 0.05). After the intervention, SDS and SAS scores in the study group were lower than those in the control group (P < 0.05). The degree of cooperation was higher in the study group than in the control group (P < 0.05). The satisfaction rate with the intervention was higher in the study group than in the control group (P < 0.05).
CONCLUSION Teach-back health education combined with structured psychological nursing can help maintain the stability of blood pressure and heart rate, relieve negative emotions, and improve the satisfaction and cooperation of patients undergoing 99mTc-3PRGD2.SPECT/CT examinations.
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Affiliation(s)
- Wei-Ning Gong
- Department of Nuclear Medicine, Jincheng People's Hospital, Jincheng 048000, Shanxi Province, China
| | - Yun-He Zhang
- Institutes of Brain Science, Fudan University, Shanghai 200032, China
| | - Jing Niu
- Department of Nuclear Medicine, Jincheng People's Hospital, Jincheng 048000, Shanxi Province, China
| | - Xue-Bing Li
- Department of Nuclear Medicine, Jincheng People's Hospital, Jincheng 048000, Shanxi Province, China
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Xu M, Tohidi E, Niu J, Fang Y. A new reproducing kernel-based collocation method with optimal convergence rate for some classes of BVPs. Applied Mathematics and Computation 2022; 432:127343. [DOI: 10.1016/j.amc.2022.127343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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Du J, Niu J, Ma L, Sui Y, Wang S. Association Between Blood Urea Nitrogen Levels and Length of Stay in Patients with Pneumonic Chronic Obstructive Pulmonary Disease Exacerbation: A Secondary Analysis Based on a Multicentre, Retrospective Cohort Study. Int J Chron Obstruct Pulmon Dis 2022; 17:2847-2856. [PMID: 36381993 PMCID: PMC9656413 DOI: 10.2147/copd.s381872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Accepted: 11/02/2022] [Indexed: 11/11/2022] Open
Abstract
Purpose High blood urea nitrogen (BUN) is associated with an elevated risk of mortality in various diseases, such as heart failure and pneumonia. Heart failure and pneumonia are common comorbidities of chronic obstructive pulmonary disease (COPD) exacerbation. However, data on the relationship of BUN levels with length of stay (LOS) in patients with pneumonic COPD exacerbation are sparse. The purpose of this study was to evaluate the correlation between BUN levels and LOS in a cohort of patients with pneumonic COPD exacerbation. Patients and Methods The present study was a multicentre, retrospective cohort study. A total of 1226 patients with pneumonic COPD exacerbation were included through a validated algorithm derived from the 10th revision of the International Classification of Diseases and Related Health Problems (ICD-10). It should be noted that the entire study was completed by Shiroshita et al, who uploaded the data to the DATADRYAD website. The author only used these data for secondary analysis. Results After adjusting for potential confounders (age, gender), a nonlinear relationship was detected between BUN levels less than 40 mg/dl and LOS. The effect sizes and the confidence intervals on the left and right sides of the inflection point were 0.27 (0.16, 0.39) and −0.17 (−0.34, 0.01), respectively. Conclusion High levels of BUN in the hospital may be associated with increased LOS. BUN was positively related to LOS when BUN was less than 40 mg/dl.
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Affiliation(s)
- Jie Du
- Department of Health Examination Center, Shaanxi Provincial People Hospital, Xi’an, People’s Republic of China
| | - Jing Niu
- Department of Health Examination Center, Shaanxi Provincial People Hospital, Xi’an, People’s Republic of China
| | - Lanxiang Ma
- Department of Cardiology, Shaanxi Provincial Corps Hospital, Chinese People’s Armed Police Forces, Xi’an, People’s Republic of China
- Correspondence: Lanxiang Ma, Department of Cardiology, Shaanxi Provincial Corps Hospital, Chinese People’s Armed Police Forces, Xi’an, People’s Republic of China, Tel +86-15991765901, Email
| | - Yongjie Sui
- Department of Health Examination Center, Shaanxi Provincial People Hospital, Xi’an, People’s Republic of China
| | - Shuili Wang
- Department of Respiratory Medicine, Shaanxi Provincial People Hospital, Xi’an, People’s Republic of China
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Bai X, Niu J, Li H, Miao Y, Zhang F. Gastrointestinal: Tuberculosis with anal fistula and multisegmental damage in the digestive tract involving the stomach, ileocecum, and colon. J Gastroenterol Hepatol 2022; 38:484. [PMID: 36250909 DOI: 10.1111/jgh.15991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Revised: 06/29/2022] [Accepted: 08/30/2022] [Indexed: 12/09/2022]
Affiliation(s)
- X Bai
- Kunming Medical University, Kunming, China
| | - J Niu
- Department of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - H Li
- Department of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Y Miao
- Department of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - F Zhang
- Department of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, Kunming, China
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Jin X, Li X, Li L, Zhong B, Hong Y, Niu J, Li B. Glucose-6-phosphate dehydrogenase exerts antistress effects independently of its enzymatic activity. J Biol Chem 2022; 298:102587. [PMID: 36243112 PMCID: PMC9667318 DOI: 10.1016/j.jbc.2022.102587] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Revised: 10/05/2022] [Accepted: 10/08/2022] [Indexed: 11/06/2022] Open
Abstract
G6PD (glucose-6-phosphate dehydrogenase) is the rate-limiting enzyme in the oxidative pentose phosphate pathway that can generate cytosolic NADPH for biosynthesis and oxidative defense. Since cytosolic NADPH can be compensatively produced by other sources, the enzymatic activity deficiency alleles of G6PD are well tolerated in somatic cells but the effect of null mutations is unclear. Herein, we show that G6PD KO sensitizes cells to the stresses induced by hydrogen peroxide, superoxide, hypoxia, and the inhibition of the electron transport chain. This effect can be completely reversed by the expressions of natural mutants associated with G6PD deficiency, even without dehydrogenase activity, exactly like the WT G6PD. Furthermore, we demonstrate that G6PD can physically interact with AMPK (AMPK-activated protein kinase) to facilitate its activity and directly bind to NAMPT (nicotinamide phosphoribosyltransferase) to promote its activity and maintain the NAD(P)H/NAD(P)+ homeostasis. These functions are necessary to the antistress ability of cells but independent of the dehydrogenase activity of G6PD. In addition, the WT G6PD and naturally inactive mutant also can similarly regulate the metabolism of glucose, glutamine, fatty acid synthesis, and GSH and interact with the involved enzymes. Therefore, our findings reveal the previously unidentified functions of G6PD that can act as the important physiological neutralizer of stresses independently of its enzymatic activity.
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Affiliation(s)
- Xiaohan Jin
- Department of Biochemistry and Molecular Biology, Capital Medical University, Beijing, China
| | - Xuexue Li
- Department of Biochemistry and Molecular Biology, Capital Medical University, Beijing, China
| | - Lifang Li
- Department of Cancer Cell Biology and National Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China
| | - Benfu Zhong
- Department of Cancer Cell Biology and National Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China
| | - Yang Hong
- Department of Cancer Cell Biology and National Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China
| | - Jing Niu
- Department of Biochemistry and Molecular Biology, Capital Medical University, Beijing, China,For correspondence: Binghui Li; Jing Niu
| | - Binghui Li
- Department of Biochemistry and Molecular Biology, Capital Medical University, Beijing, China,Beijing Institute of Hepatology, Beijing Youan Hospital, Capital Medical University, Beijing, China,For correspondence: Binghui Li; Jing Niu
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Shan L, Li Y, Jiang H, Zhou P, Niu J, Liu R, Wei Y, Peng J, Yu H, Sha X, Chang S. Abnormal ECG detection based on an adversarial autoencoder. Front Physiol 2022; 13:961724. [PMID: 36117713 PMCID: PMC9481281 DOI: 10.3389/fphys.2022.961724] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Accepted: 08/02/2022] [Indexed: 11/13/2022] Open
Abstract
Automatic detection and alarm of abnormal electrocardiogram (ECG) events play an important role in an ECG monitor system; however, popular classification models based on supervised learning fail to detect abnormal ECG effectively. Thus, we propose an ECG anomaly detection framework (ECG-AAE) based on an adversarial autoencoder and temporal convolutional network (TCN) which consists of three modules (autoencoder, discriminator, and outlier detector). The ECG-AAE framework is trained only with normal ECG data. Normal ECG signals could be mapped into latent feature space and then reconstructed as the original ECG signal back in our model, while abnormal ECG signals could not. Here, the TCN is employed to extract features of normal ECG data. Then, our model is evaluated on an MIT-BIH arrhythmia dataset and CMUH dataset, with an accuracy, precision, recall, F1-score, and AUC of 0.9673, 0.9854, 0.9486, 0.9666, and 0.9672 and of 0.9358, 0.9816, 0.8882, 0.9325, and 0.9358, respectively. The result indicates that the ECG-AAE can detect abnormal ECG efficiently, with its performance better than other popular outlier detection methods.
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Affiliation(s)
- Lianfeng Shan
- Department of Intelligent Computation, School of Intelligent Medicine, China Medical University, Shenyang, China
| | - Yu Li
- Division of Biomedical Engineering, School of Intelligent Medicine, China Medical University, Shenyang, China
| | - Hua Jiang
- Department of Cardiovascular Medicine, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Peng Zhou
- Division of Biomedical Engineering, School of Intelligent Medicine, China Medical University, Shenyang, China
| | - Jing Niu
- Division of Biomedical Engineering, School of Intelligent Medicine, China Medical University, Shenyang, China
| | - Ran Liu
- Division of Biomedical Engineering, School of Intelligent Medicine, China Medical University, Shenyang, China
| | - Yuanyuan Wei
- Division of Biomedical Engineering, School of Intelligent Medicine, China Medical University, Shenyang, China
| | - Jiao Peng
- Division of Biomedical Engineering, School of Intelligent Medicine, China Medical University, Shenyang, China
| | - Huizhen Yu
- Division of Biomedical Engineering, School of Intelligent Medicine, China Medical University, Shenyang, China
| | - Xianzheng Sha
- Division of Biomedical Engineering, School of Intelligent Medicine, China Medical University, Shenyang, China
| | - Shijie Chang
- Division of Biomedical Engineering, School of Intelligent Medicine, China Medical University, Shenyang, China
- *Correspondence: Shijie Chang,
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Guo R, Li T, Wu Z, Wan C, Niu J, Huo W, Yu H, Huang X. Thermal Transfer-Enabled Rapid Printing of Liquid Metal Circuits on Multiple Substrates. ACS Appl Mater Interfaces 2022; 14:37028-37038. [PMID: 35938409 DOI: 10.1021/acsami.2c08743] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Low-cost, rapid patterning of liquid metal on various substrates is a key processing step for liquid metal-based soft electronics. Current patterning methods rely on expensive equipment and specific substrates, which severely limit their widespread applications. Based on surface adhesion adjustment of liquid metal through thermal transferring toner patterns, we present a universal printing technique of liquid metal circuits. Without using any expensive processing steps or equipment, the circuit patterns can be printed quickly on thermal transfer paper using a desktop laser printer, and a toner on the thermal transfer paper can be transferred to various smooth substrates and polymer-coated rough substrates. The technique has yielded liquid metal circuits with a minimum linewidth of 50 μm fabricated on various smooth, rough, and three-dimensional substrates with complex morphology. The liquid metal circuits can maintain their functions even under an extreme strain of 800%. Various circuits such as LED arrays, multiple sensors, a flexible display, a heating circuit, a radiofrequency identification circuit, and a 12-lead electrocardiogram circuit on various substrates have been demonstrated, indicating the great potential of such a technique to rapidly achieve large-area flexible circuits for wearable health monitoring, internet of things, and consumer electronics at low cost and high efficiency.
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Affiliation(s)
- Rui Guo
- Department of Biomedical Engineering, Tianjin University, 92 Weijin Road, Tianjin 300072, China
| | - Tianyu Li
- Department of Biomedical Engineering, Tianjin University, 92 Weijin Road, Tianjin 300072, China
| | - Ziyue Wu
- Department of Biomedical Engineering, Tianjin University, 92 Weijin Road, Tianjin 300072, China
| | - Chunxue Wan
- Department of Biomedical Engineering, Tianjin University, 92 Weijin Road, Tianjin 300072, China
| | - Jing Niu
- Department of Biomedical Engineering, Tianjin University, 92 Weijin Road, Tianjin 300072, China
| | - Wenxing Huo
- Department of Biomedical Engineering, Tianjin University, 92 Weijin Road, Tianjin 300072, China
| | - Haixia Yu
- Department of Biomedical Engineering, Tianjin University, 92 Weijin Road, Tianjin 300072, China
| | - Xian Huang
- Department of Biomedical Engineering, Tianjin University, 92 Weijin Road, Tianjin 300072, China
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Niu J, Bai H, Li Z, Gao Y, Zhang Y, Wang X, Yang Y, Xu Y, Geng M, Xie Z, Zhou B. Discovery of novel Thieno[2,3-d]imidazole derivatives as agonists of human STING for antitumor immunotherapy using systemic administration. Eur J Med Chem 2022; 238:114482. [DOI: 10.1016/j.ejmech.2022.114482] [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] [Received: 02/20/2022] [Revised: 05/15/2022] [Accepted: 05/17/2022] [Indexed: 11/29/2022]
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26
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Wei C, Jia L, Huang X, Tan J, Wang M, Niu J, Hou Y, Sun J, Zeng P, Wang J, Qing L, Ma L, Liu X, Tang X, Li F, Jiang S, Liu J, Li T, Fan L, Sun Y, Gao J, Li C, Ding J. CTCF organizes inter-A compartment interactions through RYBP-dependent phase separation. Cell Res 2022; 32:744-760. [PMID: 35768498 PMCID: PMC9343660 DOI: 10.1038/s41422-022-00676-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Accepted: 05/10/2022] [Indexed: 12/13/2022] Open
Abstract
Chromatin is spatially organized into three-dimensional structures at different levels including A/B compartments, topologically associating domains and loops. The canonical CTCF-mediated loop extrusion model can explain the formation of loops. However, the organization mechanisms underlying long-range chromatin interactions such as interactions between A-A compartments are still poorly understood. Here we show that different from the canonical loop extrusion model, RYBP-mediated phase separation of CTCF organizes inter-A compartment interactions. Based on this model, we designed and verified an induced CTCF phase separation system in embryonic stem cells (ESCs), which facilitated inter-A compartment interactions, improved self-renewal of ESCs and inhibited their differentiation toward neural progenitor cells. These findings support a novel and non-canonical role of CTCF in organizing long-range chromatin interactions via phase separation.
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Affiliation(s)
- Chao Wei
- RNA Biomedical Institute, Sun Yat-Sen Memorial Hospital, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong, China.,Advanced Medical Technology Center, The First Affiliated Hospital, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China.,Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Lumeng Jia
- School of Life Sciences, Peking University, Beijing, China
| | - Xiaona Huang
- RNA Biomedical Institute, Sun Yat-Sen Memorial Hospital, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong, China.,Advanced Medical Technology Center, The First Affiliated Hospital, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China.,Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Jin Tan
- RNA Biomedical Institute, Sun Yat-Sen Memorial Hospital, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong, China.,Advanced Medical Technology Center, The First Affiliated Hospital, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China.,Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Mulan Wang
- RNA Biomedical Institute, Sun Yat-Sen Memorial Hospital, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong, China.,Advanced Medical Technology Center, The First Affiliated Hospital, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China.,Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Jing Niu
- School of Medicine, Tsinghua University, Beijing, China
| | - Yingping Hou
- Peking-Tsinghua Center for Life Sciences; Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, China
| | - Jun Sun
- RNA Biomedical Institute, Sun Yat-Sen Memorial Hospital, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong, China.,Advanced Medical Technology Center, The First Affiliated Hospital, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China.,Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Pengguihang Zeng
- RNA Biomedical Institute, Sun Yat-Sen Memorial Hospital, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong, China.,Advanced Medical Technology Center, The First Affiliated Hospital, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China.,Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong, China.,Department of Cell Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, China
| | - Jia Wang
- RNA Biomedical Institute, Sun Yat-Sen Memorial Hospital, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong, China.,Advanced Medical Technology Center, The First Affiliated Hospital, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China.,Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Li Qing
- RNA Biomedical Institute, Sun Yat-Sen Memorial Hospital, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong, China.,Advanced Medical Technology Center, The First Affiliated Hospital, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China.,Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Lin Ma
- RNA Biomedical Institute, Sun Yat-Sen Memorial Hospital, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong, China.,Advanced Medical Technology Center, The First Affiliated Hospital, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China.,Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Xinyi Liu
- RNA Biomedical Institute, Sun Yat-Sen Memorial Hospital, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong, China.,Advanced Medical Technology Center, The First Affiliated Hospital, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China.,Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Xiuxiao Tang
- RNA Biomedical Institute, Sun Yat-Sen Memorial Hospital, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong, China.,Advanced Medical Technology Center, The First Affiliated Hospital, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China.,Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Fenjie Li
- RNA Biomedical Institute, Sun Yat-Sen Memorial Hospital, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong, China.,Advanced Medical Technology Center, The First Affiliated Hospital, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China.,Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong, China.,Department of Pediatric Surgery, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Shaoshuai Jiang
- RNA Biomedical Institute, Sun Yat-Sen Memorial Hospital, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong, China.,Advanced Medical Technology Center, The First Affiliated Hospital, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China.,Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Jingxin Liu
- RNA Biomedical Institute, Sun Yat-Sen Memorial Hospital, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong, China.,Advanced Medical Technology Center, The First Affiliated Hospital, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China.,Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Tingting Li
- State Key Laboratory of Proteomics, National Center of Biomedical Analysis, Institute of Basic Medical Sciences, Beijing, China
| | - Lili Fan
- Guangzhou Key Laboratory of Formula-Pattern of Traditional Chinese Medicine, School of Traditional Chinese Medicine, Jinan University, Guangzhou, Guangdong, China
| | - Yujie Sun
- School of Life Sciences, Peking University, Beijing, China.,State Key Laboratory of Membrane Biology, Biomedical pioneering innovation center (BIOPIC), Peking University, Beijing, China
| | - Juntao Gao
- MOE Key Laboratory of Bioinformatics; Bioinformatics Division, BNRist; Department of Automation; Center for Synthetic & Systems Biology, Tsinghua University, Beijing, China
| | - Cheng Li
- School of Life Sciences, Peking University, Beijing, China. .,Center for Bioinformatics, Center for Statistical Science, Peking University, Beijing, China.
| | - Junjun Ding
- RNA Biomedical Institute, Sun Yat-Sen Memorial Hospital, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong, China. .,Advanced Medical Technology Center, The First Affiliated Hospital, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China. .,Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong, China.
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Hua JA, Ma X, Niu J, Xia BX, Gao XY, Niu YL, Ma PT. A Novel Tetrameric Heptomolybdate with Reactive Oxygen Species Catalytic Ability. RUSS J COORD CHEM+ 2022. [DOI: 10.1134/s1070328422050050] [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: 11/23/2022]
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He Y, Wu S, Ding C, Fan L, Ke L, Yan Y, Li M, Luo H, Hu X, Niu J, Li H, Xu H, Chen W, Cao L. P-151 PRO-based symptom management for patients with gastric and esophageal cancer who have undergone previous surgery. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.04.241] [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: 11/27/2022] Open
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Jorge A, Melles R, Marmor M, Conell C, Zhou B, Niu J, Zhang Y, Choi H. POS0370 COMPARATIVE RETINOPATHY RISK OF HIGH- VS LOW-DOSE HYDROXYCHLOROQUINE AMONG 4,677 INCIDENT LONG-TERM USERS: EMULATED TARGET TRIAL ANALYSES. Ann Rheum Dis 2022. [DOI: 10.1136/annrheumdis-2022-eular.1671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BackgroundHydroxychloroquine (HCQ) is a key treatment for patients with lupus, but the major long-term toxicity is HCQ retinopathy. A large cross-sectional study found a prevalence of HCQ retinopathy of 7.5% overall and 5 times higher odds associated with HCQ dose >5 mg/kg/day, which led to ophthalmology guidelines recommending the avoidance of HCQ dosing >5 mg/kg.1 However, whether this dosing recommendation is applicable to the future risk of HCQ retinopathy is unknown, as is the incidence of severe bullseye retinopathy vs. the mild, pre-symptomatic stage. Furthermore, recent studies have indicated that the use of lower doses of HCQ may increase the risk of lupus flares and hospitalizations.2ObjectivesTo determine the incidence of HCQ retinopathy associated with long-term HCQ use and compare them according to HCQ dose.MethodsWe emulated a hypothetical target trial using observational data3 from the US integrated health network Kaiser Permanente Northern California to compare two HCQ weight-based dosing strategies, >5 vs ≤5 mg/kg/day, based on dispensed tablets per year. A secondary analysis evaluated >80% of prescription days covered by dispensed tablets per year with HCQ dose >5 vs ≤5 mg/kg. We included 4,677 patients who initiated and continued HCQ for at least 5 years between 1997-2020. We emulated randomization of treatment strategy by cloning each subject and assigning a replicate to each treatment group.3 We censored replicates if and when they deviated from the assigned treatment group, assessed as the average dose in the first 5 years and annually thereafter. We used inverse probability weighting to account for censoring. The primary outcome was HCQ retinopathy, assessed by expert adjudication of spectral domain-optical coherence tomography (SD-OCT) and graded by severity. All SD-OCTs were prospectively reviewed by an expert ophthalmologist (RM), and a second expert ophthalmologist (MM) reviewed all abnormal scans and a random subset of normal scans. We assessed intra-rater reliability of SD-OCT findings. We used pooled logistic regression to estimate the cumulative incidence of HCQ retinopathy for each HCQ dose strategy from initiation. The odds ratios approximated hazard ratios (HRs) because the outcome at each one-year time block is <5%.ResultsAmong 4,677 patients, the mean age at HCQ initiation was 52 years; 83% were female. The racial/ethnic composition included 51% non-Hispanic White, 19% Hispanic, 14% Asian, and 11% Black patients. 756 (16.2%) and 3,921 (83.8%) patients initiated HCQ with the primary definition of the treatment strategies >5 and ≤5 mg/kg/day, respectively. The weighted kappa was 0.80 for SD-OCT reliability. 164 patients developed HCQ retinopathy (100 mild, 38 moderate, and 26 severe cases). The cumulative incidence of retinopathy over 18 years was 37.6% for >5 and 5.7% for ≤5mg/kg of HCQ in our primary analysis. The corresponding risk was 26.5% for >5 and 3.2% for ≤5 mg/kg in our secondary analysis using >80% of prescription days. Compared with ≤5 mg/kg of HCQ, the HRs of retinopathy were 9.65 (95% CI 5.73-16.65) and 10.79 (95% CI 6.40-20.07) for >5 mg/kg using the primary and secondary definitions of HCQ dose categories, respectively (Figure 1).ConclusionThe risk of HCQ retinopathy associated with long-term adherence to >5 mg/kg dosing was high, approximately 10 times that of ≤5 mg/kg dosing. However, most cases identified during the study were mild and pre-symptomatic, supporting the value of regular screening. These data should be incorporated into individualized decisions about long-term use of HCQ.References[1]Melles RB, Marmor MF. The risk of toxic retinopathy in patients on long-term hydroxychloroquine therapy. JAMA Ophthalmol 2014;132(12):1453-60[2]Almeida-Brasil CC et al. Flares after hydroxychloroquine reduction or discontinuation: results from the SLICC inception cohort. Ann Rheum Dis 2021 Dec 15, epub ahead of print[3]Hernán MA, Robins JM. Using Big Data to Emulate a Target Trial When a Randomized Trial Is Not Available. Am J Epidemiol 2016;183(8):758-64Disclosure of InterestsApril Jorge: None declared, Ronald Melles: None declared, Michael Marmor: None declared, Carol Conell: None declared, Baijun Zhou: None declared, Jingbo Niu: None declared, Yuqing Zhang: None declared, Hyon Choi Consultant of: Ironwood, Selecta, Horizon, Takeda, Kowa, and Vaxart., Grant/research support from: Ironwood and Horizon
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Li L, Ma Y, Yang H, Niu J, Yang H, Wang F, Hu C, Zhang Y, Guan X, Peng H, Ma G. An olefin‐based, Fluorescent Covalent Organic Framework for Selective Sensing of Aromatic Amines. Chem Asian J 2022; 17:e202200279. [DOI: 10.1002/asia.202200279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 04/20/2022] [Indexed: 11/07/2022]
Affiliation(s)
- Lihua Li
- Northwest Normal University College of Chemistry and Chemical Engineering 967 Anning East Rd., Gansu, Lanzhou 730070,P. R. China 730000 Lan Zhou CHINA
| | - Yinghu Ma
- Northwest Normal University College of Chemistry and Chemical Engineering CHINA
| | - Haohao Yang
- Northwest Normal University College of Chemistry and Chemical Engineering CHINA
| | - Jing Niu
- Northwest Normal University College of Chemistry and Chemical Engineering CHINA
| | - Haoran Yang
- Northwest Normal University College of Chemistry and Chemical Engineering CHINA
| | - Faqiang Wang
- Northwest Normal University College of Chemistry and Chemical Engineering CHINA
| | - Chengxian Hu
- Northwest Normal University College of Chemistry and Chemical Engineering CHINA
| | - Yubao Zhang
- Northwest Normal University College of Chemistry and Chemical Engineering CHINA
| | - Xiaolin Guan
- Northwest Normal University College of Chemistry and Chemical Engineering CHINA
| | - Hui Peng
- Northwest Normal University College of Chemistry and Chemical Engineering CHINA
| | - Guofu Ma
- Northwest Normal University College of Chemistry and Chemical Engineering CHINA
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Niu J, Alroobaea R, Baqasah AM, Kansal L. Implementation of network information security monitoring system based on adaptive deep detection. Journal of Intelligent Systems 2022. [DOI: 10.1515/jisys-2022-0032] [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: 11/15/2022] Open
Abstract
Abstract
For a better detection in Network information security monitoring system, the author proposes a method based on adaptive depth detection. A deep belief network (DBN) was designed and implemented, and the intrusion detection system model was combined with a support vector machine (SVM). The data set adopts the NSL-KDD network communication data set, and this data set is authoritative in the security field. Redundant cleaning, data type conversion, normalization, and other processing operations are performed on the data set. Using the data conversion method based on the probability mass function probability mass function coding, a standard data set with low redundancy and low dimensionality can be obtained. Research indicates that when the batch size reaches 64, the accuracy of the test set reaches its maximum value. As the batch size increases, the accuracy first increases and then decreases. When the batch size continues to increase, the model will inevitably fall into the local optimal state, resulting in the degradation of the detection performance of the system. In terms of the false alarm rate, the DBN-SVM model is also the highest; however, it is only 10.73%. Under the premise of increasing the detection rate, the false alarm rate is improved; for the overall detection performance of the model, it is within an acceptable range. In terms of accuracy, the DBN-SVM model also scored the highest. The accuracy rate is the ratio of normal and correct classification for intrusion detection. It can explain the detection ability of the model. In summary, the overall detection ability of the DBN-SVM model is the best. The good classification ability to use SVM is proved, and the classification of low-dimensional features is expected to increase the detection rate of the system.
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Affiliation(s)
- Jing Niu
- Nanyang Medical College , Nanyang 473000 , China
| | - Roobaea Alroobaea
- Department Computer Science, College of Computers and Information Technology, Taif University , P. O. Box 11099 , Taif 21944 , Saudi Arabia
| | - Abdullah M. Baqasah
- Department of Information Technology, College of Computers and Information Technology, Taif University , P. O. Box 11099 , Taif 21944 , Saudi Arabia
| | - Lavish Kansal
- School of Electronics and Electrical Engineering, Lovely Professional University , Punjab 144411 , India
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Xia D, Wang Q, Bai W, Wang E, Wang Z, Mu W, Sun J, Huang M, Yin G, Li H, Zhao H, Zhang C, Li J, Wu J, Zhu X, Yang S, Pan X, Li J, Li Z, Xu G, Shi H, Zhang H, Zhang Y, Ding R, Yu H, Zheng L, Yang X, Wang G, You N, Feng L, Zhang S, Huang W, Xu T, Fan W, Li X, Yang X, Zhou W, Wang W, Li X, Wang Z, Luo B, Niu J, Yuan J, Lv Y, Li K, Guo W, Yin Z, Fan D, Xia J, Han G. Optimal time point of response assessment for predicting survival is associated with tumor burden in hepatocellular carcinoma receiving repeated transarterial chemoembolization. Eur Radiol 2022; 32:5799-5810. [PMID: 35381853 DOI: 10.1007/s00330-022-08716-4] [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: 09/23/2021] [Revised: 02/08/2022] [Accepted: 03/05/2022] [Indexed: 11/29/2022]
Abstract
OBJECTIVES Objective response rate (ORR) under mRECIST criteria after transarterial chemoembolization (TACE) is a well-perceived surrogate endpoint of overall survival (OS). However, its optimal time point remains controversial and may be influenced by tumor burden. We aim to investigate the surrogacy of initial/best ORR in relation to tumor burden. METHODS A total of 1549 eligible treatment-naïve patients with unresectable hepatocellular carcinoma (HCC), Child-Pugh score ≤ 7, and performance status score ≤ 1 undergoing TACE between January 2010 and May 2016 from 17 academic hospitals were retrospectively analyzed. Based on "six-and-twelve" criteria, tumor burden was graded as low, intermediate, and high if the sum of the maximum tumor diameter and tumor number was ≤ 6, > 6 but ≤ 12, and > 12, respectively. RESULTS Both initial and best ORRs interacted with tumor burden. Initial and best ORRs could equivalently predict and correlate with OS in low (adjusted HR, 2.55 and 2.95, respectively, both p < 0.001; R = 0.84, p = 0.035, and R = 0.97, p = 0.002, respectively) and intermediate strata (adjusted HR, 1.81 and 2.22, respectively, both p < 0.001; R = 0.74, p = 0.023, and R = 0.9, p = 0.002, respectively). For high strata, only best ORR exhibited qualified surrogacy (adjusted HR, 2.61, p < 0.001; R = 0.70, p = 0.035), whereas initial ORR was not significant (adjusted HR, 1.08, p = 0.357; R = 0.22, p = 0.54). CONCLUSIONS ORR as surrogacy of OS is associated with tumor burden. For patients with low/intermediate tumor burden, initial ORR should be preferred in its early availability upon similar sensitivity, whereas for patients with high tumor burden, best ORR has optimal sensitivity. Timing of OR assessment should be tailored according to tumor burden. KEY POINTS • This is the first study utilizing individual patient data to comprehensively analyze the surrogacy of ORR with a long follow-up period. • Optimal timing of ORR assessment for predicting survival should be tailored according to tumor burden. • For patients with low and intermediate tumor burden, initial ORR is optimal for its timeliness upon similar sensitivity with best ORR. For patients with high tumor burden, best ORR has optimal sensitivity.
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Affiliation(s)
- Dongdong Xia
- Department of Liver Diseases and Interventional Radiology, Digestive Diseases Hospital, Xi'an International Medical Center Hospital, Northwest University, Xi'an, China.,Department of Liver Disease and Digestive Interventional Radiology, National Clinical Research Center for Digestive Disease and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Qiuhe Wang
- Department of Liver Disease and Digestive Interventional Radiology, National Clinical Research Center for Digestive Disease and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Wei Bai
- Department of Liver Diseases and Interventional Radiology, Digestive Diseases Hospital, Xi'an International Medical Center Hospital, Northwest University, Xi'an, China.,Department of Liver Disease and Digestive Interventional Radiology, National Clinical Research Center for Digestive Disease and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Enxin Wang
- Department of Liver Disease and Digestive Interventional Radiology, National Clinical Research Center for Digestive Disease and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China.,Department of Medical Affairs, Air Force Hospital of Western Theater Command, Chengdu, Sichuan Province, China
| | - Zhexuan Wang
- Department of Liver Disease and Digestive Interventional Radiology, National Clinical Research Center for Digestive Disease and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Wei Mu
- Department of Radiology, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Junhui Sun
- Department of Hepatobiliary and Pancreatic Interventional Cancer, the First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Ming Huang
- Department of Minimally Invasive International Therapy, The Third Affiliated Hospital of Kunming University, Tumor Hospital of Yunnan Province, Kunming, China
| | - Guowen Yin
- Department of Interventional Radiology, Jiangsu Provincial Cancer Hospital, The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, China
| | - Hailiang Li
- Department of Interventional Radiology, Henan Cancer Hospital, The Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou, China
| | - Hui Zhao
- Department of Interventional Radiology, The Affiliated Hospital of Nantong University, Nantong, China
| | - Chunqing Zhang
- Department of Gastroenterology and Hepatology, Shandong Province Hospital Affiliated to Shandong University, Jinan, China
| | - Jing Li
- Department of Hepatobiliary Surgery, Xinqiao Hospital, Third Military Medical University, Chongqing, China
| | - Jianbing Wu
- Department of Oncology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Xiaoli Zhu
- Department of Interventional Radiology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Shufa Yang
- Department of Interventional Radiology, The Affiliated Tumor Hospital of Xinjiang Medical University, Urumqi, China
| | - Xingnan Pan
- Clinical Liver Diseases Research Center, Nanjing Military Command, 180th Hospital of PLA, Quanzhou, China
| | - Jiaping Li
- Department of Interventional Radiology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Zixiang Li
- Interventional Medical Center of The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Guohui Xu
- Department of Interventional Radiology, Sichuan Cancer Hospital & Institute, Chengdu, China
| | - Haibin Shi
- Department of Interventional Radiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Hui Zhang
- Department of Radiology, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Yuelin Zhang
- Department of Hepatobiliary and Pancreatic Interventional Cancer, the First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Rong Ding
- Department of Minimally Invasive International Therapy, The Third Affiliated Hospital of Kunming University, Tumor Hospital of Yunnan Province, Kunming, China
| | - Hui Yu
- Department of Interventional Radiology, Jiangsu Provincial Cancer Hospital, The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, China
| | - Lin Zheng
- Department of Interventional Radiology, Henan Cancer Hospital, The Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou, China
| | - Xiaohu Yang
- Department of Interventional Radiology, The Affiliated Hospital of Nantong University, Nantong, China
| | - Guangchuan Wang
- Department of Gastroenterology and Hepatology, Shandong Province Hospital Affiliated to Shandong University, Jinan, China
| | - Nan You
- Department of Hepatobiliary Surgery, Xinqiao Hospital, Third Military Medical University, Chongqing, China
| | - Long Feng
- Department of Oncology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Shuai Zhang
- Department of Interventional Radiology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Wukui Huang
- Department of Interventional Radiology, The Affiliated Tumor Hospital of Xinjiang Medical University, Urumqi, China
| | - Tao Xu
- Clinical Liver Diseases Research Center, Nanjing Military Command, 180th Hospital of PLA, Quanzhou, China
| | - Wenzhe Fan
- Department of Interventional Radiology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Xueda Li
- Interventional Medical Center of The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Xuegang Yang
- Department of Interventional Radiology, Sichuan Cancer Hospital & Institute, Chengdu, China
| | - Weizhong Zhou
- Department of Interventional Radiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Wenjun Wang
- Department of Liver Disease and Digestive Interventional Radiology, National Clinical Research Center for Digestive Disease and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Xiaomei Li
- Department of Liver Diseases and Interventional Radiology, Digestive Diseases Hospital, Xi'an International Medical Center Hospital, Northwest University, Xi'an, China.,Department of Liver Disease and Digestive Interventional Radiology, National Clinical Research Center for Digestive Disease and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Zhengyu Wang
- Department of Liver Diseases and Interventional Radiology, Digestive Diseases Hospital, Xi'an International Medical Center Hospital, Northwest University, Xi'an, China.,Department of Liver Disease and Digestive Interventional Radiology, National Clinical Research Center for Digestive Disease and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Bohan Luo
- Department of Liver Diseases and Interventional Radiology, Digestive Diseases Hospital, Xi'an International Medical Center Hospital, Northwest University, Xi'an, China.,Department of Liver Disease and Digestive Interventional Radiology, National Clinical Research Center for Digestive Disease and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Jing Niu
- Department of Liver Disease and Digestive Interventional Radiology, National Clinical Research Center for Digestive Disease and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Jie Yuan
- Department of Liver Disease and Digestive Interventional Radiology, National Clinical Research Center for Digestive Disease and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Yong Lv
- Department of Liver Disease and Digestive Interventional Radiology, National Clinical Research Center for Digestive Disease and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Kai Li
- Department of Liver Disease and Digestive Interventional Radiology, National Clinical Research Center for Digestive Disease and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Wengang Guo
- Department of Liver Diseases and Interventional Radiology, Digestive Diseases Hospital, Xi'an International Medical Center Hospital, Northwest University, Xi'an, China.,Department of Liver Disease and Digestive Interventional Radiology, National Clinical Research Center for Digestive Disease and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Zhanxin Yin
- Department of Liver Diseases and Interventional Radiology, Digestive Diseases Hospital, Xi'an International Medical Center Hospital, Northwest University, Xi'an, China.,Department of Liver Disease and Digestive Interventional Radiology, National Clinical Research Center for Digestive Disease and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Daiming Fan
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Disease and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Jielai Xia
- Department of Health Statistics, Fourth Military Medical University, Xi'an, China
| | - Guohong Han
- Department of Liver Diseases and Interventional Radiology, Digestive Diseases Hospital, Xi'an International Medical Center Hospital, Northwest University, Xi'an, China. .,Department of Liver Disease and Digestive Interventional Radiology, National Clinical Research Center for Digestive Disease and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China.
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Niu J, Milhem M, Vanderwalde A, Chmielowski B, Beasley G, Samson A, Sacco J, Bowles T, Jew T, He S, Raza S, Harrington K, Middleton M. Safety and Efficacy of RP1 + Nivolumab in Patients with Non-Melanoma Skin Cancer of the Head and Neck: Results From IGNYTE Phase 1/2 Multi-Cohort Clinical Trial. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2021.12.025] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Yao J, Zhang W, Wang J, Wang K, Lv C, Zhang Z, Chen X, Chen Y, Jiang W, Niu J, Song F, Liu P, Sun D. The Status of Iodine Nutrition after Removing Iodized Salt in High Water Iodine Regions: a Cross-sectional Study in China. Biol Trace Elem Res 2022; 200:1020-1031. [PMID: 33929694 DOI: 10.1007/s12011-021-02727-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Accepted: 04/15/2021] [Indexed: 11/29/2022]
Abstract
Currently, the removal of iodized salt is carried out in high water iodine regions. The present situation of iodine nutrition and the prevalence of thyroid diseases in such regions have not been clearly elucidated. This study aimed to figure out these problems to help render effective measures for cases of abnormal iodine nutrition status. A cross-sectional study was carried out in four areas of Jining and Heze, Shandong Province, China, with different water iodine concentrations (WIC). In total, 1344 adults were enrolled in this study, and data related to their iodine nutrition, thyroid function, and thyroid ultrasonography were collected. Subjects were grouped according to WIC, urine iodine concentration (UIC), serum iodine concentration (SIC), and combined UIC and SIC for analysis. Iodine levels were in excess in the 100 μg/L ≤ WIC < 300 μg/L and WIC ≥ 300 μg/L areas. Compared with the control WIC group (10-100 μg/L), the WIC ≥ 300 μg/L group had a higher prevalence of thyroid autoimmunity (TAI, 21.25% vs. 13.19%, P <0.05), subclinical hypothyroidism (SH, 20.20% vs. 11.96%, P < 0.05), thyroid nodules (TN, 31.75% vs. 18.71%, P < 0.05), and thyroid dysfunction (23.62% vs. 12.26%, P < 0.05). Compared with the UIC control group (100-300 μg/L), high UIC group (≥ 800 μg/L) had a higher prevalence of TN (33.75% vs. 21.14%, P < 0.05) and thyroid dysfunction (25% vs. 14.47%, P < 0.05). Next, compared with the control SIC group (50-110 μg/L), high SIC group (≥ 110 μg/L) had a higher prevalence of TAI (33.80% vs. 14.47%, P < 0.05), SH (23.94% vs. 14.30%, P < 0.05), and thyroid dysfunction (33.80% vs. 15.29%, P < 0.05). Finally, subjects with the highest UIC and the highest SIC also had a higher prevalence of TAI (25.92% vs. 10.97%, P < 0.05), SH (23.45% vs. 10.97%, P < 0.05), TN (34.56% vs. 15.85%, P < 0.05), and thyroid dysfunction (27.16% vs. 13.41%, P < 0.05) than subjects with middle iodine levels. The iodine nutrition of subjects in the WIC ≥ 300 μg/L areas was still in excess after removing iodized salt from their diets. High levels of iodine also increased the prevalence of TAI, SH, TN, and thyroid dysfunction in those areas. Simply removing iodized salt may not be sufficient for high water iodine regions.
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Affiliation(s)
- J Yao
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, China
| | - W Zhang
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, China
| | - J Wang
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, China
| | - K Wang
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, China
| | - C Lv
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, China
| | - Z Zhang
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, China
| | - X Chen
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, China
| | - Y Chen
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, China
| | - W Jiang
- Institute of Endemic Disease Control, Jinan, Shandong Province, China
| | - J Niu
- Heze Center for Disease Control and Prevention, Heze, China
| | - F Song
- Jining Center for Disease Control and Prevention, Jining, China
| | - P Liu
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, China
| | - D Sun
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, China.
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Shi S, Du Y, Huang L, Cui J, Niu J, Xu Y, Zhu Q. Discovery of novel potent covalent inhibitor-based EGFR degrader with excellent in vivo efficacy. Bioorg Chem 2022; 120:105605. [DOI: 10.1016/j.bioorg.2022.105605] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 01/04/2022] [Accepted: 01/06/2022] [Indexed: 01/22/2023]
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Shi S, Du Y, Zou Y, Niu J, Cai Z, Wang X, Qiu F, Ding Y, Yang G, Wu Y, Xu Y, Zhu Q. Rational Design for Nitroreductase (NTR)-Responsive Proteolysis Targeting Chimeras (PROTACs) Selectively Targeting Tumor Tissues. J Med Chem 2022; 65:5057-5071. [PMID: 35175763 DOI: 10.1021/acs.jmedchem.1c02221] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The catalytic properties of proteolysis targeting chimeras (PROTACs) may lead to uncontrolled off-tissue target degradation that causes potential toxicity, limiting their clinical applications. The precise control of this technology in a tissue-selective manner can minimize the potential toxicity. Hypoxia is a hallmark of most solid tumors, accompanied by elevated levels of nitroreductase (NTR). Based on this character, we presented a type of NTR-responsive PROTACs to selectively degrade proteins of interest (POI) in tumor tissues. Compound 17-1 was the first NTR-responsive PROTAC synthesized by incorporating the caging group on the Von Hippel-Lindau (VHL) E3 ubiquitin ligase ligand. It could be activated by NTR to release the active PROTAC 17 to efficiently degrade the EGFR protein and subsequently exert antitumor efficacy. Thus, a general strategy for the precise control of PROTAC to induce POI degradation in tumor tissues by NTR was established, which provided a generalizable platform for the development of NTR-controlled PROTACs to achieve selective degradation.
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Affiliation(s)
- Shi Shi
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China
| | - Yu Du
- Jiangsu Key Laboratory of Drug Design and Optimization, Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing 211198, China
| | - Yi Zou
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China
| | - Jing Niu
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China
| | - Zeyu Cai
- Jiangsu Key Laboratory of Drug Design and Optimization, Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing 211198, China
| | - Xiaonan Wang
- Jiangsu Key Laboratory of Drug Design and Optimization, Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing 211198, China
| | - Feihuang Qiu
- Jiangsu Key Laboratory of Drug Design and Optimization, Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing 211198, China
| | - Yi Ding
- Jiangsu Key Laboratory of Drug Design and Optimization, Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing 211198, China
| | - Gengchen Yang
- Jiangsu Key Laboratory of Drug Design and Optimization, Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing 211198, China
| | - Yunze Wu
- Jiangsu Key Laboratory of Drug Design and Optimization, Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing 211198, China
| | - Yungen Xu
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China.,Jiangsu Key Laboratory of Drug Design and Optimization, Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing 211198, China
| | - Qihua Zhu
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China.,Jiangsu Key Laboratory of Drug Design and Optimization, Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing 211198, China
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Liu P, Sun Y, Liu S, Niu J, Liu X, Chu Q. SY-707, an ALK/FAK/IGF1R inhibitor, suppresses growth and metastasis of breast cancer cells. Acta Biochim Biophys Sin (Shanghai) 2022; 54:252-260. [PMID: 35538024 PMCID: PMC9909315 DOI: 10.3724/abbs.2022008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Focal adhesion kinase (FAK), a multi-functional cytoplasmic tyrosine kinase, plays a critical role in cancer migration, proliferation and metastasis via regulating multiple signaling pathways. SY-707 is an anaplastic lymphoma kinase (ALK)/FAK/type 1 insulin-like growth factor receptor (IGF1R) multi-kinase inhibitor which is now being evaluated in phase II clinical trials for ALK positive non-small cell lung cancer (NSCLC). However, the effect of SY-707 on breast cancer is unknown. In this study, we assessed preclinical the anti-growth and anti-metastasis potency of SY-707 in breast cancer cells. ATP content, PE-Annexin V, and would healing assays were used to examine cell proliferation, cell cycle and migration. Then, SD rat and beagle dog models were used to evaluate the pharmacokinetics profile of SY-707, and mouse xenograft model was used to evaluate the anti-cancer activities of SY-707 . We found that breast cancer cells apoptosis were induced by SY-707. Moreover, SY-707 exerted inhibition on cell migration and adhesion in a dose-dependent manner. In T47D xenograft mice, SY-707 had significant anti-tumor activities alone or synergistically with Paclitaxel. Meanwhile, SY-707 also displayed significant suppression on spontaneous metastasis of tumor to the lung in 4T1 murine breast cancer xenograft model. In conclusion, SY-707 has potent anti-proliferation and anti-migration potential in breast cancer and , implying its therapeutic application for the treatment of breast cancer in future clinical trials.
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Affiliation(s)
- Ping Liu
- Department of GeriatricsXinhua Hospital Affiliated to Shanghai Jiaotong University School of MedicineShanghai200092China,Department of Biochemistry and Molecular BiologySchool of Basic Medical SciencesCapital Medical UniversityBeijing100069China
| | | | - Shuang Liu
- Shouyao Holdings Co.LtdBeijing100195China
| | - Jing Niu
- Department of Biochemistry and Molecular BiologySchool of Basic Medical SciencesCapital Medical UniversityBeijing100069China
| | - Xijie Liu
- Shouyao Holdings Co.LtdBeijing100195China
| | - Qiaoyun Chu
- Department of Biochemistry and Molecular BiologySchool of Basic Medical SciencesCapital Medical UniversityBeijing100069China,Correspondence address. Tel: +86-10-83950524;
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Li M, Li K, Tang S, Lv Y, Wang Q, Wang Z, Luo B, Niu J, Zhu Y, Guo W, Bai W, Wang E, Xia D, Wang Z, Li X, Yuan J, Yin Z, Trebicka J, Han G. Restoration of the gut microbiota is associated with a decreased risk of hepatic encephalopathy after TIPS. JHEP Rep 2022; 4:100448. [PMID: 35313729 PMCID: PMC8933702 DOI: 10.1016/j.jhepr.2022.100448] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2021] [Revised: 01/13/2022] [Accepted: 01/19/2022] [Indexed: 11/25/2022] Open
Abstract
Background & Aims Hepatic encephalopathy (HE) is a major complication after transjugular intrahepatic portosystemic shunt (TIPS) and is primarily influenced by the gut microbiota. We aimed to evaluate alterations in the microbiota after TIPS and the association between such alterations and HE. Methods We conducted a prospective longitudinal study of 106 patients with cirrhosis receiving TIPS. Faecal samples were collected before and after TIPS, and the gut microbiota was analysed by 16S ribosomal RNA sequencing. Results Among all patients, 33 developed HE (HE+ group) within 6 months after TIPS and 73 did not (HE- group), and 18 died during follow-up. After TIPS, the autochthonous taxa increased, whereas the potential pathogenic taxa decreased in the HE- group, and the autochthonous taxon Lachnospiraceae decreased in the HE+ group. Furthermore, synergism among harmful bacteria was observed in all patients, which was weakened in the HE- group (p <0.001) but enhanced in the HE+ group (p <0.01) after TIPS. Variations of 5 autochthonous taxa, namely, Coprococcus, Ruminococcus, Blautia, Ruminococcaceae_uncultured, and Roseburia, were negatively correlated with the severity of HE. Notably, increased abundances of Coprococcus and Ruminococcus were protective factors against HE, and the incidences of HE in patients with improved, stable, and deteriorated microbiota after TIPS were 13.3, 25.9, and 68.2%, respectively. Higher total bilirubin level, Child–Pugh score, model for end-stage liver disease score, Granulicatella, and Alistipes and lower Subdoligranulum before TIPS were the independent risk factors for death. Conclusions Alterations in gut dysbiosis were negatively related to the occurrence and severity of post-TIPS HE, and the pre-TIPS microbiota were associated with death, suggesting the gut microbiota could be a promising potential biological target for screening suitable patients receiving TIPS and prevention and treatment of post-TIPS HE. Lay summary Alterations in the gut microbiota after transjugular intrahepatic portosystemic shunt (TIPS) and the relationship between such alterations and post-TIPS hepatic encephalopathy (HE) remain unclear. We therefore performed this study and found that after TIPS, restoration of the gut microbiota, mainly characterised by expansion of autochthonous taxa, depletion of harmful taxa, and weakening of synergism among harmful bacteria, was inversely related to the occurrence and severity of post-TIPS HE. Gut dysbiosis of the patients without HE showed significant improvement after TIPS. Expansion of autochthonous taxa after TIPS was negatively correlated with the occurrence and severity of HE. The changes of relationship among the microbiota in different prognostic groups were opposite. Pre-TIPS gut microbiota and certain clinical indices were associated with survival.
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Chen X, Han P, Song P, Zhao Y, Zhang H, Niu J, Yu C, Ding W, Zhao J, Zhang L, Qi H, Shao X, Su H, Guo Q. Mediating Effects of Malnutrition on the Relationship between Depressive Symptoms Clusters and Muscle Function Rather than Muscle Mass in Older Hemodialysis Patients. J Nutr Health Aging 2022; 26:461-468. [PMID: 35587758 DOI: 10.1007/s12603-022-1778-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
OBJECTIVES The purpose of this study was to investigate the association and mediation pathways among muscle mass, muscle function (muscle strength and physical performance), and malnutrition with depressive symptoms clusters in the older hemodialysis patients. DESIGN A multi-center cross-sectional study. SETTING AND PARTICIPANTS A total of 499 patients aged ≥ 60 on hemodialysis from seven facilities in Shanghai of China from 2020 to 2021. MEASUREMENTS Muscle mass was assessed by skeletal muscle index(SMI). Muscle strength was measured by handgrip strength, and physical performance was measured via gait speed and Timed Up and Go Test (TUGT). Nutritional status was assessed by Malnutrition Inflammation Score (MIS). Depressive symptoms were evaluated by the Patient Health Questionnaire-9 (PHQ-9). Logistic regression and mediation analyses fully adjusted for all potential confounding factors. RESULTS Among 499 participants (312 men, mean age 69.2±6.6 years), 108 (21.6%) had depressive symptoms. The muscle strength, physical performance and malnutrition were associated with depressive symptoms. Furthermore, malnutrition significantly mediated the association of muscle function with total, cognitive-affective symptoms. The association of the muscle function with somatic symptoms were mediated by the nutritional status. The mediated proportions of malnutrition in the relationship between physical performance and depressive symptoms clusters were stronger in somatic symptoms than in cognitive-affective symptoms. CONCLUSIONS Our findings suggest that muscle function rather than muscle mass may contribute substantially to the development of depressive symptoms clusters in the hemodialysis via malnutrition. The malnutrition mediated stronger in the association of muscle function with somatic symptoms. These findings may help guide clinicians to better diagnose and manage depression in the context of concomitant muscle function and malnutrition.
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Affiliation(s)
- X Chen
- Qi Guo, M.D., Ph.D. Department of Rehabilitation Medicine, Shanghai University of Medicine and Health Sciences Affiliated Zhoupu Hospital, 1500 Zhouyuan Road, Pudong New District, Shanghai, 201318, China, Phone: 86-22-8333-6977, Fax: 86-22-8333-6977, E-mail:
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Guan M, Wang M, Zhanghao K, Zhang X, Li M, Liu W, Niu J, Yang X, Chen L, Jing Z, Zhang MQ, Jin D, Xi P, Gao J. Polarization modulation with optical lock-in detection reveals universal fluorescence anisotropy of subcellular structures in live cells. Light Sci Appl 2022; 11:4. [PMID: 34974519 PMCID: PMC8720311 DOI: 10.1038/s41377-021-00689-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 11/05/2021] [Accepted: 11/27/2021] [Indexed: 05/05/2023]
Abstract
The orientation of fluorophores can reveal crucial information about the structure and dynamics of their associated subcellular organelles. Despite significant progress in super-resolution, fluorescence polarization microscopy remains limited to unique samples with relatively strong polarization modulation and not applicable to the weak polarization signals in samples due to the excessive background noise. Here we apply optical lock-in detection to amplify the weak polarization modulation with super-resolution. This novel technique, termed optical lock-in detection super-resolution dipole orientation mapping (OLID-SDOM), could achieve a maximum of 100 frames per second and rapid extraction of 2D orientation, and distinguish distance up to 50 nm, making it suitable for monitoring structural dynamics concerning orientation changes in vivo. OLID-SDOM was employed to explore the universal anisotropy of a large variety of GFP-tagged subcellular organelles, including mitochondria, lysosome, Golgi, endosome, etc. We found that OUF (Orientation Uniformity Factor) of OLID-SDOM can be specific for different subcellular organelles, indicating that the anisotropy was related to the function of the organelles, and OUF can potentially be an indicator to distinguish normal and abnormal cells (even cancer cells). Furthermore, dual-color super-resolution OLID-SDOM imaging of lysosomes and actins demonstrates its potential in studying dynamic molecular interactions. The subtle anisotropy changes of expanding and shrinking dendritic spines in live neurons were observed with real-time OLID-SDOM. Revealing previously unobservable fluorescence anisotropy in various samples and indicating their underlying dynamic molecular structural changes, OLID-SDOM expands the toolkit for live cell research.
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Affiliation(s)
- Meiling Guan
- Department of Biomedical Engineering, College of Future Technology, Peking University, Beijing, 100871, China
| | - Miaoyan Wang
- Department of Biomedical Engineering, College of Future Technology, Peking University, Beijing, 100871, China
| | - Karl Zhanghao
- Department of Biomedical Engineering, College of Future Technology, Peking University, Beijing, 100871, China
- UTS-SUStech Joint Research Centre for Biomedical Materials & Devices, Department of Biomedical Engineering, College of Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, China
| | - Xu Zhang
- MOE Key Laboratory of Bioinformatics, Bioinformatics Division, Center for Synthetic & Systems Biology, BNRist, Beijing, China
- Center for Synthetic & Systems Biology; Department of Automation, Tsinghua University, Beijing, 100084, China
- Beijing Institute of Collaborative Innovation, Beijing, 100094, China
| | - Meiqi Li
- Department of Biomedical Engineering, College of Future Technology, Peking University, Beijing, 100871, China
| | - Wenhui Liu
- Center for Synthetic & Systems Biology; Department of Automation, Tsinghua University, Beijing, 100084, China
| | - Jing Niu
- MOE Key Laboratory of Bioinformatics, Bioinformatics Division, Center for Synthetic & Systems Biology, BNRist, Beijing, China
| | - Xusan Yang
- Department of Biomedical Engineering, College of Future Technology, Peking University, Beijing, 100871, China
| | - Long Chen
- MOE Key Laboratory of Bioinformatics, Bioinformatics Division, Center for Synthetic & Systems Biology, BNRist, Beijing, China
- Center for Synthetic & Systems Biology; Department of Automation, Tsinghua University, Beijing, 100084, China
| | - Zhenli Jing
- MOE Key Laboratory of Bioinformatics, Bioinformatics Division, Center for Synthetic & Systems Biology, BNRist, Beijing, China
| | - Micheal Q Zhang
- MOE Key Laboratory of Bioinformatics, Bioinformatics Division, Center for Synthetic & Systems Biology, BNRist, Beijing, China
- Department of Biological Sciences and Center for System Biology, The University of Texas at Dallas, Richardson, 75080, USA
- School of Medical Sciences, Tsinghua University, Beijing, 100084, China
| | - Dayong Jin
- UTS-SUStech Joint Research Centre for Biomedical Materials & Devices, Department of Biomedical Engineering, College of Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, China
- Institute for Biomedical Materials and Devices (IBMD), Faculty of Science, University of Technology Sydney, Sydney, NSW, 2007, Australia
| | - Peng Xi
- Department of Biomedical Engineering, College of Future Technology, Peking University, Beijing, 100871, China
- UTS-SUStech Joint Research Centre for Biomedical Materials & Devices, Department of Biomedical Engineering, College of Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, China
- National Biomedical Imaging Center, Peking University, Beijing, 100871, China
| | - Juntao Gao
- MOE Key Laboratory of Bioinformatics, Bioinformatics Division, Center for Synthetic & Systems Biology, BNRist, Beijing, China.
- Center for Synthetic & Systems Biology; Department of Automation, Tsinghua University, Beijing, 100084, China.
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Yang X, Zhang D, Liu L, Niu J, Zhang X, Wang X. Development trajectory for the temporal and spatial evolution of the resilience of regional tourism environmental systems in 14 cities of Gansu Province, China. Environ Sci Pollut Res Int 2021; 28:65094-65115. [PMID: 34231155 PMCID: PMC8260156 DOI: 10.1007/s11356-021-14932-0] [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] [Figures] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Accepted: 06/11/2021] [Indexed: 06/13/2023]
Abstract
The rapid development of the urban economy in China and the accompanying income growth experienced by urban residents have increased demand for tourism and leisure, which has brought pressure on the urban tourism environment system (UTES), making the contradiction between tourism economic development and the ecological environment increasingly acute. While seeking to rationalize the economic, social, and ecological benefits of tourism, reducing the fragility of the UTES and improving its anti-interference and recovery capabilities have become attracted significant attention from scholars in China and elsewhere. This paper establishes a definition of resilience for an UTES and constructs an evaluation index system for it in terms of the social, economic, and ecological environments. It also establishes an entropy weight-TOPSIS resilience evaluation model to measure resilience in regional systems, using ArcGIS to analyze the standard deviation ellipse and center of the gravity track of the resilience. System dynamics was used to construct diagrams of causal relationships and stock flow for the constituent elements of UTES to show the mechanisms that promote its resilience. This paper investigates 14 cities of Gansu Province in particular to simulate the resilience model of a regional system.
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Affiliation(s)
- Xiuping Yang
- Department of Economy and Management, Lanzhou University of Technology, Lanzhou, 730050, China.
| | - Dacheng Zhang
- School of Business Administration, Xuzhou College of Industrial Technology, Xuzhou, 221140, China
| | - Lili Liu
- Department of Economy and Management, Lanzhou University of Technology, Lanzhou, 730050, China
| | - Jing Niu
- Department of Economy and Management, Lanzhou University of Technology, Lanzhou, 730050, China
| | - Xiaobo Zhang
- Department of Economy and Management, Lanzhou University of Technology, Lanzhou, 730050, China
| | - Xiaoyun Wang
- Department of Economy and Management, Lanzhou University of Technology, Lanzhou, 730050, China
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Niu J, Maurice-Dror C, Lee DH, Kim DW, Nagrial A, Voskoboynik M, Chung HC, Mileham K, Vaishampayan U, Rasco D, Golan T, Bauer TM, Jimeno A, Chung V, Chartash E, Lala M, Chen Q, Healy JA, Ahn MJ. First-in-human phase 1 study of the anti-TIGIT antibody vibostolimab as monotherapy or with pembrolizumab for advanced solid tumors, including non-small cell lung cancer. Ann Oncol 2021; 33:169-180. [PMID: 34800678 DOI: 10.1016/j.annonc.2021.11.002] [Citation(s) in RCA: 108] [Impact Index Per Article: 36.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 10/25/2021] [Accepted: 11/05/2021] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND In this first-in-human phase 1 study, we investigated the safety and efficacy of the anti-TIGIT antibody vibostolimab as monotherapy or in combination with pembrolizumab. METHODS Part A enrolled patients with advanced solid tumors and part B enrolled patients with non-small cell lung cancer (NSCLC). Patients received vibostolimab 2.1-700 mg alone or with pembrolizumab 200 mg in part A and vibostolimab 200 mg alone or with pembrolizumab 200 mg in part B. Primary end points were safety and tolerability. Secondary end points included pharmacokinetics and objective response rate (ORR) per RECIST v1.1. RESULTS Part A enrolled 76 patients (monotherapy, 34; combination therapy, 42). No dose-limiting toxicities were reported. Across doses, 56% of patients receiving monotherapy and 62% receiving combination therapy had treatment-related adverse events (TRAEs); grade 3-4 TRAEs occurred in 9% and 17% of patients, respectively. The most common TRAEs were fatigue (15%) and pruritus (15%) with monotherapy and pruritus (17%) and rash (14%) with combination therapy. Confirmed ORR was 0% with monotherapy and 7% with combination therapy. In part B, 39 patients had anti-PD-1/PD-L1-naïve NSCLC (all received combination therapy) and 67 had anti-PD-1/PD-L1-refractory NSCLC (monotherapy, 34; combination therapy, 33). In patients with anti-PD-1/PD-L1-naive NSCLC: 85% had TRAEs-the most common were pruritus (38%) and hypoalbuminemia (31%); confirmed ORR was 26%, with responses occurring in both PD-L1-positive and PD-L1-negative tumors. In patients with anti-PD-1/PD-L1‒refractory NSCLC: 56% receiving monotherapy and 70% receiving combination therapy had TRAEs-the most common were rash and fatigue (21% each) with monotherapy and pruritus (36%) and fatigue (24%) with combination therapy; confirmed ORR was 3% with monotherapy and 3% with combination therapy. CONCLUSION Vibostolimab plus pembrolizumab was well tolerated and demonstrated antitumor activity in patients with advanced solid tumors, including patients with advanced NSCLC.
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Affiliation(s)
- J Niu
- Medical Oncology, Banner MD Anderson Cancer Center, Gilbert, USA.
| | - C Maurice-Dror
- Medical Oncology Division, Rambam Health Care Campus, Haifa, Israel
| | - D H Lee
- Department of Oncology, Asan Medical Center, Seoul, South Korea
| | - D-W Kim
- Department of Internal Medicine, Seoul National University College of Medicine and Seoul National University Hospital, Seoul, South Korea
| | - A Nagrial
- Medical Oncology, Blacktown Hospital, Blacktown, Australia; Medical Oncology, University of Sydney, Sydney, Australia
| | - M Voskoboynik
- Alfred Health and Monash University, Melbourne, Australia
| | - H C Chung
- Yonsei Cancer Center, Yonsei University College of Medicine, Seoul, South Korea
| | - K Mileham
- Levine Cancer Institute, Atrium Health, Charlotte, USA
| | - U Vaishampayan
- Oncology/Internal Medicine, Karmanos Cancer Center, Detroit, USA
| | - D Rasco
- START Center for Cancer Care, San Antonio, USA
| | - T Golan
- The Oncology Institute, Sheba Medical Center at Tel-Hashomer, Tel Aviv University, Tel Aviv, Israel
| | - T M Bauer
- Drug Development, Sarah Cannon Research Institute/Tennessee Oncology, PLLC, Nashville, USA
| | - A Jimeno
- Medicine, University of Colorado, Anschutz Cancer Pavilion, Aurora, USA
| | - V Chung
- Medical Oncology, City of Hope National Medical Center, Duarte, USA
| | - E Chartash
- Oncology Early Development, Merck & Co., Inc., Kenilworth, NJ, USA
| | - M Lala
- OED-QP2IO, Merck & Co., Inc., Kenilworth, NJ, USA
| | - Q Chen
- BARDS, Merck & Co., Inc., Kenilworth, NJ, USA
| | - J A Healy
- Oncology Early Development, Merck & Co., Inc., Kenilworth, NJ, USA
| | - M-J Ahn
- Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
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Shen C, Frakes J, Niu J, Rosenberg A, Weiss J, Caudell J, Jameson K, Said P, Seiwert T. NBTXR3 Activated by Radiotherapy in Combination With Nivolumab or Pembrolizumab in Patients With Advanced Cancers: A Phase I Trial. Int J Radiat Oncol Biol Phys 2021. [DOI: 10.1016/j.ijrobp.2021.07.1075] [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: 11/29/2022]
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Guidry JPD, Perrin PB, Bol N, Song B, Hong C, Lovari A, Coman IA, O'Donnell NH, Alkazemi M, Niu J, Pabian SJR, Linn AJ, Miller CA, Carlyle KE. Social distancing during COVID-19: threat and efficacy among university students in seven nations. Glob Health Promot 2021; 29:5-13. [PMID: 34702108 DOI: 10.1177/17579759211051368] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
COVID-19 has been spreading fast worldwide, and until effective and safe vaccines have been widely adopted, preventive measures such as social distancing are crucial to keep the pandemic under control. The study's research questions asked which psychosocial factors predict social distancing behavior and whether there are country-level differences in social distancing? Using the Extended Parallel Process Model (EPPM) as a theoretical lens, we examined the predictive effects of threat and efficacy and demographic variables on adherence to the COVID-19 preventive behavior of social distancing using a survey among an international sample of university students. Using path modeling and analysis of covariance, we confirmed the predictive effects of the EPPM on social distancing behavior. Our final model showed that perceived susceptibility to COVID-19 was both directly and indirectly (through response efficacy) associated with social distancing behavior; that perceived severity of COVID-19 yielded a significant indirect effect on social distancing behavior through both self-efficacy and response efficacy; that perceived susceptibility is indirectly and positively associated with social distancing behavior through response efficacy; and that self-efficacy and response efficacy were directly associated with social distancing behavior. Additionally, there were country-level differences in social distancing. Possible explanations for and implications of these findings are discussed.
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Affiliation(s)
| | | | - Nadine Bol
- Tilburg University, Tilburg, Noord-Brabant, the Netherlands
| | - BaoBao Song
- Virginia Commonwealth University, Richmond, VA, USA
| | - Cheng Hong
- California State University, Sacramento, CA, USA
| | | | | | | | | | - Jing Niu
- Huazhong University of Science and Technology, Wuhan, Hubei, China
| | | | - Annemiek J Linn
- Universiteit van Amsterdam/University of Amsterdam, Amsterdam, the Netherlands
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Shen C, Frakes J, Niu J, Rosenberg A, Weiss J, Caudell J, Jameson K, Said P, Seiwert T. MA03.03 NBTXR3 Activated by SBRT Combined with Nivolumab or Pembrolizumab in Patients With Advanced Cancers: Phase I Trial. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.08.119] [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: 12/01/2022]
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Xu M, Niu J, Tohidi E, Hou J, Jiang D. A new least‐squares‐based reproducing kernel method for solving regular and weakly singular Volterra‐Fredholm integral equations with smooth and nonsmooth solutions. Math Methods in App Sciences 2021; 44:10772-10784. [DOI: 10.1002/mma.7444] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Accepted: 03/17/2021] [Indexed: 09/01/2023]
Abstract
Based on the least‐squares method, we proposed a new algorithm to obtain the solution of the second kind of regular and weakly singular Volterra‐Fredholm integral equations in reproducing kernel spaces. The stability and uniform convergence of the algorithm are investigated in detail. Numerical experiments verify the theoretical findings. Meanwhile, this method is also applicable to the nonlinear Volterra integral equations. Test problems which have non‐smooth solutions are also considered, and our proposed method is efficient as some recent Krylov subspace methods such as LSQR and LSMR.
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Affiliation(s)
- Minqiang Xu
- College of Science Zhejiang University of Technology Hangzhou 310023 China
| | - Jing Niu
- School of Mathematics and Sciences Harbin Normal University Harbin 150025 China
| | - Emran Tohidi
- Department of Mathematics Kosar University of Bojnord Bojnord Iran
| | - Jinjiao Hou
- School of Mathematics and Sciences Harbin Normal University Harbin 150025 China
| | - Danhua Jiang
- College of Science Zhejiang University of Technology Hangzhou 310023 China
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Aroldi F, Middleton M, Sacco J, Milhem M, Curti B, VanderWalde A, Baum S, Samson A, Chesney J, Niu J, Rhodes T, Bowles T, Olsson-Brown A, Laux D, Bommareddy P, Menezes L, Samakoglu S, Pirzkall A, Coffin R, Harrington K. 1093TiP An open-label, multicenter, phase I/II clinical trial of RP1 as a single agent and in combination with nivolumab in patients with solid tumors [IGNYTE]. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.08.1478] [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: 11/27/2022] Open
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Hansen A, Gomez-Roca C, Lolkema M, Verlingue L, Italiano A, Spicer J, Steeghs N, Bauman J, Fayette J, Niu J, Prenen H, Dejardin D, Boetsch C, Kraxner A, Evers S, Vardar T, Keshelava N, Teichgräber V, Bonomi M. 906P Simlukafusp α and cetuximab combination in patients with recurrent, unresectable or metastatic squamous cell carcinoma of the head and neck. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.08.1316] [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: 11/29/2022] Open
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Vivar O, Shen C, Frakes J, Niu J, Rosenberg A, Weiss J, Caudell J, Jameson K, Said P, Seiwert T. PH-0053 NBTXR3 activated by SBRT combined with nivolumab or pembrolizumab in advanced cancers: phase I trial. Radiother Oncol 2021. [DOI: 10.1016/s0167-8140(21)07235-2] [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: 11/16/2022]
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Zhang X, Liu X, Du Z, Wei L, Fang H, Dong Q, Niu J, Li Y, Gao J, Zhang MQ, Xie W, Wang X. The loss of heterochromatin is associated with multiscale three-dimensional genome reorganization and aberrant transcription during cellular senescence. Genome Res 2021; 31:1121-1135. [PMID: 34140314 PMCID: PMC8256869 DOI: 10.1101/gr.275235.121] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Accepted: 04/27/2021] [Indexed: 01/10/2023]
Abstract
Heterochromatin remodeling is critical for various cell processes. In particular, the "loss of heterochromatin" phenotype in cellular senescence is associated with the process of aging and age-related disorders. Although biological processes of senescent cells, including senescence-associated heterochromatin foci (SAHF) formation, chromosome compaction, and redistribution of key proteins, have been closely associated with high-order chromatin structure, the relationship between the high-order chromatin reorganization and the loss of heterochromatin phenotype during senescence has not been fully understood. By using senescent and deep senescent fibroblasts induced by DNA damage harboring the "loss of heterochromatin" phenotype, we observed progressive 3D reorganization of heterochromatin during senescence. Facultative and constitutive heterochromatin marked by H3K27me3 and H3K9me3, respectively, show different alterations. Facultative heterochromatin tends to switch from the repressive B-compartment to the active A-compartment, whereas constitutive heterochromatin shows no significant changes at the compartment level but enhanced interactions between themselves. Both types of heterochromatin show increased chromatin accessibility and gene expression leakage during senescence. Furthermore, increased chromatin accessibility in potential CTCF binding sites accompanies the establishment of novel loops in constitutive heterochromatin. Finally, we also observed aberrant expression of repetitive elements, including LTR (long terminal repeat) and satellite classes. Overall, facultative and constitutive heterochromatin show both similar and distinct multiscale alterations in the 3D map, chromatin accessibility, and gene expression leakage. This study provides an epigenomic map of heterochromatin reorganization during senescence.
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Affiliation(s)
- Xianglin Zhang
- MOE Key Laboratory of Bioinformatics; Center for Synthetic and Systems Biology; Department of Automation, Tsinghua University, Beijing 100084, China
- Bioinformatics Division, Beijing National Research Center for Information Science and Technology, Beijing 100084, China
| | - Xuehui Liu
- MOE Key Laboratory of Bioinformatics; Center for Synthetic and Systems Biology; Department of Automation, Tsinghua University, Beijing 100084, China
- Bioinformatics Division, Beijing National Research Center for Information Science and Technology, Beijing 100084, China
- State Key Laboratory of Medical Molecular Biology, Department of Pathophysiology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Zhenhai Du
- Center for Stem Cell Biology and Regenerative Medicine, MOE Key Laboratory of Bioinformatics, Tsinghua University, Beijing 100084, China
- THU-PKU Center for Life Sciences, Beijing 100084, China
- School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - Lei Wei
- MOE Key Laboratory of Bioinformatics; Center for Synthetic and Systems Biology; Department of Automation, Tsinghua University, Beijing 100084, China
- Bioinformatics Division, Beijing National Research Center for Information Science and Technology, Beijing 100084, China
| | - Huan Fang
- MOE Key Laboratory of Bioinformatics; Center for Synthetic and Systems Biology; Department of Automation, Tsinghua University, Beijing 100084, China
- Bioinformatics Division, Beijing National Research Center for Information Science and Technology, Beijing 100084, China
| | - Qiongye Dong
- MOE Key Laboratory of Bioinformatics; Center for Synthetic and Systems Biology; Department of Automation, Tsinghua University, Beijing 100084, China
- Bioinformatics Division, Beijing National Research Center for Information Science and Technology, Beijing 100084, China
| | - Jing Niu
- Department of Basic Medical Sciences, School of Medicine, Tsinghua University, Beijing 100084, China
| | - Yanda Li
- MOE Key Laboratory of Bioinformatics; Center for Synthetic and Systems Biology; Department of Automation, Tsinghua University, Beijing 100084, China
- Bioinformatics Division, Beijing National Research Center for Information Science and Technology, Beijing 100084, China
| | - Juntao Gao
- MOE Key Laboratory of Bioinformatics; Center for Synthetic and Systems Biology; Department of Automation, Tsinghua University, Beijing 100084, China
- Bioinformatics Division, Beijing National Research Center for Information Science and Technology, Beijing 100084, China
| | - Michael Q Zhang
- Department of Molecular and Cell Biology, Center for Systems Biology, The University of Texas, Richardson, Texas 75080-3021, USA
| | - Wei Xie
- Center for Stem Cell Biology and Regenerative Medicine, MOE Key Laboratory of Bioinformatics, Tsinghua University, Beijing 100084, China
- THU-PKU Center for Life Sciences, Beijing 100084, China
- School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - Xiaowo Wang
- MOE Key Laboratory of Bioinformatics; Center for Synthetic and Systems Biology; Department of Automation, Tsinghua University, Beijing 100084, China
- Bioinformatics Division, Beijing National Research Center for Information Science and Technology, Beijing 100084, China
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