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Dai H, Lu YY, Zhao J. [Challenges and strategies in the treatment of neovascular age-related macular degeneration]. Zhonghua Yan Ke Za Zhi 2024; 60:215-219. [PMID: 38462368 DOI: 10.3760/cma.j.cn112142-20230807-00026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 03/12/2024]
Abstract
Neovascular age-related macular degeneration (nAMD) is a leading cause of blindness in the elderly, and anti-vascular endothelial growth factor (VEGF) therapy is currently the primary treatment approach. However, the real-world effectiveness of nAMD treatment is not always satisfactory and faces various challenges. Frequent administration and follow-up burdens can lead to decreased patient compliance during long-term treatment, resulting in suboptimal outcomes. Some lesions exhibit poor or no response to anti-VEGF treatment, leading to difficulties in maintaining or even declining visual acuity. Factors such as lesion fibrosis and tissue atrophy can contribute to visual deterioration. Therefore, standardizing and individualizing treatment plans, along with enhancing comprehensive monitoring and management throughout the disease course, are crucial improvement measures. The evidence-based guidelines for diagnosis and treatment of age-related macular degeneration in China, released in 2023, provide guidance for standardized clinical diagnosis and treatment. Meanwhile, research and development of new drugs and administration methods are anticipated for the future.
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Affiliation(s)
- H Dai
- Department of Ophthalmology, Beijing Hospital, National Center of Gerontology; Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing 100730, China
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- Department of Ophthalmology, Beijing Hospital, National Center of Gerontology; Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing 100730, China
| | - J Zhao
- Department of Ophthalmology, Beijing Hospital, National Center of Gerontology; Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing 100730, 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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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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Xing H, Dai H, Li B, Yuan X, Liu X, Cui G, Liu N, Biering-Sørensen F. Factors associated with urinary tract infection in the early phase after performing intermittent catheterization in individuals with spinal cord injury: a retrospective study. Front Med (Lausanne) 2023; 10:1257523. [PMID: 38046407 PMCID: PMC10691259 DOI: 10.3389/fmed.2023.1257523] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Accepted: 10/23/2023] [Indexed: 12/05/2023] Open
Abstract
Objectives To investigate the occurrence rate of urinary tract infections (UTIs) in the early phase after performing intermittent catheterization (IC) and to explore the possible factors associated with UTIs after performing IC among people with spinal cord injury (SCI). Setting An inpatient rehabilitation department of a teaching hospital in China. Design Retrospective chart review. Methods A retrospective chart review was carried out for traumatic and non-traumatic SCI patients after performing IC during their inpatient stay. Demographic information, comorbidity of diabetes, urine analysis results before IC, method of IC (sterile or clean), use of bladder irrigation, cessation of IC and its reasons, and UTI events were collected. Results A total of 183 adult individuals were included, of which 60 (32.8%) of them were women. The median age was 49.0 years. The median time post-injury was 2 months. The overall occurrence rate of UTI after performing IC was 1.31 (95% confidence intervals: 0.96-1.77) events per 100 days. Sixty-nine (37.7%) patients discontinued IC during hospitalization, and UTIs were the leading reason for cessation (50.7%). Female sex, use of antibiotics for infections other than UTI, and use of bladder irrigation were found to be associated with a lower occurrence rate of UTI in the early phase after performing IC, with an odds ratio of 0.38 (p = 0.019), 0.20 (p = 0.022), and 0.24 (p < 0.001), respectively. Conclusion UTI after performing IC is prevalent among people with SCI. The study indicated that antibiotic prophylaxis and routine bladder irrigation might be associated with the reduction in UTI in the early phase after performing IC. Further research is needed to provide more evidence.
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Affiliation(s)
- Huayi Xing
- Department of Rehabilitation Medicine, Peking University Third Hospital, Beijing, China
| | - Hongyue Dai
- Department of Rehabilitation Medicine, Peking University Third Hospital, Beijing, China
| | - Baohua Li
- Department of Nursing, Peking University Third Hospital, Beijing, China
| | - Xiaoning Yuan
- Department of Hospital-Acquired Infection Control, Peking University Third Hospital, Beijing, China
| | - Xiaoxuan Liu
- Department of Rehabilitation Medicine, Peking University Third Hospital, Beijing, China
| | - Guoqing Cui
- Department of Rehabilitation Medicine, Peking University Third Hospital, Beijing, China
| | - Nan Liu
- Department of Rehabilitation Medicine, Peking University Third Hospital, Beijing, China
| | - Fin Biering-Sørensen
- Clinic for Spinal Cord Injuries, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
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Chi L, Wang H, Yu F, Gao C, Dai H, Si X, Liu L, Wang Z, Zheng J, Ke Y, Liu H, Zhang Q. Recent Progress of Ubiquitin-Specific-Processing Protease 7 Inhibitors. Russ J Bioorg Chem 2023. [DOI: 10.1134/s1068162023020073] [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: 02/24/2023]
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Wan X, Zheng X, Dai H, Liang J, Yang H, Wang Z. Effects of graded levels of dietary vitamin a supplementation on reproductive performance in geese. ANIM NUTR FEED TECHN 2023. [DOI: 10.5958/0974-181x.2023.00007.0] [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: 01/27/2023]
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Chen Z, Chen L, Dai H. Mechanism of Resveratrol Improving Rheumatoid Arthritis Injury by Inhibiting S100A8/A9 Expression. Indian J Pharm Sci 2023. [DOI: 10.36468/pharmaceutical-sciences.1077] [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: 03/02/2023] Open
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Jiang A, Xu P, Yang Z, Zhao Z, Tan Q, Li W, Song C, Dai H, Leng H. Increased Sparc release from subchondral osteoblasts promotes articular chondrocyte degeneration under estrogen withdrawal. Osteoarthritis Cartilage 2023; 31:26-38. [PMID: 36241137 DOI: 10.1016/j.joca.2022.08.020] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 07/08/2022] [Accepted: 08/04/2022] [Indexed: 02/02/2023]
Abstract
OBJECTIVE The incidence of osteoarthritis (OA) in menopausal women is significantly higher than in same-aged men. Investigating the role of subchondral osteoblasts in estrogen deficiency-induced OA may help elucidate the pathological mechanism, providing new insights for the diagnosis and treatment of menopausal OA. METHODS A classical ovariectomy-induced OA (OVX-OA) rat model was utilized to isolate primary articular chondrocytes and subchondral osteoblasts, which were identified and then cocultured in Transwell. The expression of chondrocyte anabolic and catabolic indicators was evaluated. The differentially expressed proteins in the conditioned medium (CM) of osteoblasts were identified by Liquid Chromatograph-Mass Spectrometer (LC-MS/MS). Normal chondrocytes were treated with osteoblast CM, and then RNA sequencing was performed on the treated chondrocytes. KEGG was used to identify significant enrichment of signaling pathways, and Simple Western was used to verify the expression of related proteins in the signaling pathways. RESULTS Coculture of OVX-OA subchondral osteoblasts with chondrocytes significantly downregulated the expression of the anabolic indicators and upregulated the expression of the catabolic indicators in chondrocytes. 1,601 proteins were identified in both normal and OVX osteoblast culture supernatants. Protein-protein interaction network analysis revealed that Sparc was one of the hub proteins. The AMPK/Foxo3a signaling pathway of chondrocytes was downregulated by OVX-OA osteoblasts CM. AICAR, the AMPK agonist, partially reversed the catabolic effect of OVX-OA osteoblasts on chondrocytes. CONCLUSIONS Sparc secreted by OVX-OA subchondral osteoblasts can downregulate the AMPK/Foxo3a signaling pathway of chondrocytes, thereby promoting chondrocyte degeneration.
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Affiliation(s)
- A Jiang
- Department of Orthopedics, Peking University Third Hospital, Beijing 100191, China; Department of General Surgery, Beijing Pinggu Hospital, Beijing 101299, China
| | - P Xu
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Z Yang
- Department of Orthopedics, Peking University Third Hospital, Beijing 100191, China
| | - Z Zhao
- Department of Orthopedics, Peking University Third Hospital, Beijing 100191, China
| | - Q Tan
- Department of Orthopedics, Peking University Third Hospital, Beijing 100191, China
| | - W Li
- Department of Orthopedics, Peking University Third Hospital, Beijing 100191, China; Engineering Research Center of Bone and Joint Precision Medicine, Beijing 100191, China
| | - C Song
- Department of Orthopedics, Peking University Third Hospital, Beijing 100191, China; Beijing Key Lab of Spine Diseases, Beijing 100191, China
| | - H Dai
- Department of Immunology, School of Basic Medical Sciences, NHC Key Laboratory of Medical Immunology, Peking University, Beijing 100191, China
| | - H Leng
- Department of Orthopedics, Peking University Third Hospital, Beijing 100191, China.
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Cui T, Sun J, Li G, Chen L, Dai H. Feasibility of Omitting Clinical Target Volume under PET-CT Guidance in Unresectable Stage III Non-Small-Cell Lung Cancer, a Phase II Clinical Trial. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Balood M, Ahmadi M, Eichwald T, Ahmadi A, Majdoubi A, Roversi K, Roversi K, Lucido CT, Restaino AC, Huang S, Ji L, Huang KC, Semerena E, Thomas SC, Trevino AE, Merrison H, Parrin A, Doyle B, Vermeer DW, Spanos WC, Williamson CS, Seehus CR, Foster SL, Dai H, Shu CJ, Rangachari M, Thibodeau J, V Del Rincon S, Drapkin R, Rafei M, Ghasemlou N, Vermeer PD, Woolf CJ, Talbot S. Nociceptor neurons affect cancer immunosurveillance. Nature 2022; 611:405-412. [PMID: 36323780 PMCID: PMC9646485 DOI: 10.1038/s41586-022-05374-w] [Citation(s) in RCA: 47] [Impact Index Per Article: 23.5] [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: 06/09/2021] [Accepted: 09/21/2022] [Indexed: 11/07/2022]
Abstract
Solid tumours are innervated by nerve fibres that arise from the autonomic and sensory peripheral nervous systems1-5. Whether the neo-innervation of tumours by pain-initiating sensory neurons affects cancer immunosurveillance remains unclear. Here we show that melanoma cells interact with nociceptor neurons, leading to increases in their neurite outgrowth, responsiveness to noxious ligands and neuropeptide release. Calcitonin gene-related peptide (CGRP)-one such nociceptor-produced neuropeptide-directly increases the exhaustion of cytotoxic CD8+ T cells, which limits their capacity to eliminate melanoma. Genetic ablation of the TRPV1 lineage, local pharmacological silencing of nociceptors and antagonism of the CGRP receptor RAMP1 all reduced the exhaustion of tumour-infiltrating leukocytes and decreased the growth of tumours, nearly tripling the survival rate of mice that were inoculated with B16F10 melanoma cells. Conversely, CD8+ T cell exhaustion was rescued in sensory-neuron-depleted mice that were treated with local recombinant CGRP. As compared with wild-type CD8+ T cells, Ramp1-/- CD8+ T cells were protected against exhaustion when co-transplanted into tumour-bearing Rag1-deficient mice. Single-cell RNA sequencing of biopsies from patients with melanoma revealed that intratumoral RAMP1-expressing CD8+ T cells were more exhausted than their RAMP1-negative counterparts, whereas overexpression of RAMP1 correlated with a poorer clinical prognosis. Overall, our results suggest that reducing the release of CGRP from tumour-innervating nociceptors could be a strategy to improve anti-tumour immunity by eliminating the immunomodulatory effects of CGRP on cytotoxic CD8+ T cells.
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Affiliation(s)
- Mohammad Balood
- Département de Pharmacologie et Physiologie, Université de Montréal, Montréal, Quebec, Canada
- Département de Médecine Moléculaire, Faculté de Médecine, Université Laval, Québec, Quebec, Canada
| | - Maryam Ahmadi
- Département de Pharmacologie et Physiologie, Université de Montréal, Montréal, Quebec, Canada
| | - Tuany Eichwald
- Département de Pharmacologie et Physiologie, Université de Montréal, Montréal, Quebec, Canada
- Departamento de Bioquímica, Universidade Federal de Santa Catarina, Florianópolis, Brazil
| | - Ali Ahmadi
- Département de Pharmacologie et Physiologie, Université de Montréal, Montréal, Quebec, Canada
| | - Abdelilah Majdoubi
- Département de Microbiologie, Infectiologie et Immunologie, Université de Montréal, Montréal, Quebec, Canada
| | - Karine Roversi
- Département de Pharmacologie et Physiologie, Université de Montréal, Montréal, Quebec, Canada
| | - Katiane Roversi
- Département de Pharmacologie et Physiologie, Université de Montréal, Montréal, Quebec, Canada
| | | | - Anthony C Restaino
- Cancer Biology and Immunotherapies, Sanford Research, Sioux Falls, SD, USA
| | | | | | | | - Elise Semerena
- Département de Pharmacologie et Physiologie, Université de Montréal, Montréal, Quebec, Canada
| | - Sini C Thomas
- Département de Pharmacologie et Physiologie, Université de Montréal, Montréal, Quebec, Canada
| | - Alexandro E Trevino
- F.M. Kirby Neurobiology Center, Boston Children's Hospital, Boston, MA, USA
- Department of Neurobiology, Harvard Medical School, Boston, MA, USA
| | - Hannah Merrison
- F.M. Kirby Neurobiology Center, Boston Children's Hospital, Boston, MA, USA
- Department of Neurobiology, Harvard Medical School, Boston, MA, USA
| | - Alexandre Parrin
- F.M. Kirby Neurobiology Center, Boston Children's Hospital, Boston, MA, USA
- Department of Neurobiology, Harvard Medical School, Boston, MA, USA
| | - Benjamin Doyle
- F.M. Kirby Neurobiology Center, Boston Children's Hospital, Boston, MA, USA
- Department of Neurobiology, Harvard Medical School, Boston, MA, USA
| | - Daniel W Vermeer
- Cancer Biology and Immunotherapies, Sanford Research, Sioux Falls, SD, USA
| | - William C Spanos
- Cancer Biology and Immunotherapies, Sanford Research, Sioux Falls, SD, USA
| | | | - Corey R Seehus
- F.M. Kirby Neurobiology Center, Boston Children's Hospital, Boston, MA, USA
- Department of Neurobiology, Harvard Medical School, Boston, MA, USA
| | - Simmie L Foster
- Depression Clinical Research Program, Massachusetts General Hospital, Boston, MA, USA
| | | | | | - Manu Rangachari
- Département de Médecine Moléculaire, Faculté de Médecine, Université Laval, Québec, Quebec, Canada
| | - Jacques Thibodeau
- Département de Microbiologie, Infectiologie et Immunologie, Université de Montréal, Montréal, Quebec, Canada
| | | | - Ronny Drapkin
- Penn Ovarian Cancer Research Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Moutih Rafei
- Département de Pharmacologie et Physiologie, Université de Montréal, Montréal, Quebec, Canada
| | - Nader Ghasemlou
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, Ontario, Canada
| | - Paola D Vermeer
- Cancer Biology and Immunotherapies, Sanford Research, Sioux Falls, SD, USA
| | - Clifford J Woolf
- F.M. Kirby Neurobiology Center, Boston Children's Hospital, Boston, MA, USA
- Department of Neurobiology, Harvard Medical School, Boston, MA, USA
| | - Sebastien Talbot
- Département de Pharmacologie et Physiologie, Université de Montréal, Montréal, Quebec, Canada.
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, Ontario, Canada.
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Huang KC, Miller A, Ji L, Thanawala M, Wagner JR, Huang P, Dai H. UNVEILING THE SPATIAL ORGANIZATION OF TUMOR-INFILTRATING LYMPHOCYTES AND CORRELATION TO CLINICAL OUTCOMES USING DEEP LEARNING IN ER POSITIVE BREAST CANCER. J Pathol Inform 2022. [DOI: 10.1016/j.jpi.2022.100054] [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: 11/30/2022] Open
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Huang KC, Miller A, Krasnonosenkikh D, Thanawala M, Thomas GV, Lantermann A, Sadaghiani M, Dai H, Wagner JR, Huang P. AUTOMATED NERVE IDENTIFICATION IN HISTOPATHOLOGY SLIDES ENABLES COMPREHENSIVE ANALYSIS OF INNERVATION IN CANCER AND TUMOR NEUROBIOLOGY. J Pathol Inform 2022. [DOI: 10.1016/j.jpi.2022.100053] [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: 10/15/2022] Open
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Lantermann A, Chekler E, Lefker B, Yuen G, Lam V, Strickland M, Pennacchio J, Fulgham A, Bree D, Perekslis T, Piizzi G, Dai H, Zheng T, Wagner J, Huang P. Abstract 166: Identification of Grk2 as novel oncology target and development of potent Grk2 inhibitors. Cancer Res 2022. [DOI: 10.1158/1538-7445.am2022-166] [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: 11/16/2022]
Abstract
Abstract
G Protein-Coupled Receptor Kinase 2 (Grk2) is a serine-threonine kinase widely expressed in the human body. The GRK family of kinases is known for its role in GPCR phosphorylation and desensitization upon GPCR activation by agonists. Besides its role in GPCR phosphorylation, Grk2 has been shown to phosphorylate non-GPCR receptors and cytoplasmic substrates and has also been demonstrated to play phosphorylation-independent roles in cells. Using pooled CRISPR screening we identified that Grk2 knockout inhibits pancreatic and bladder cancer cell line proliferation in vitro and tumor growth in xenografts in vivo, which has not been demonstrated before. Rescue experiments re-expressing wildtype or kinase inactive Grk2 showed that this effect is dependent on catalytically active Grk2. We developed Grk2 inhibitors with exquisite enzymatic potency and anti-proliferative activity in pancreatic cancer cell lines. On a cellular level Grk2 knockout and Grk2 inhibitors slow down G2/M cell cycle progression in pancreatic cancer cell lines, and Grk2 inhibitor CYG-N-2278 induced a 71% tumor growth inhibition in PAXF1657 pancreatic PDX-derived xenografts. Besides its direct role in cancer cell growth Grk2 also plays a role in immune cell function. Grk2 is highly expressed in immune cells, and we have demonstrated that Grk2 inhibitors upregulate proinflammatory cytokine expression in myeloid cells. In the MC38 colorectal syngeneic tumor model implanted into immunocompetent C57BL6 mice CYG-N-2278 Grk2 inhibitor resulted in a 39% tumor growth inhibition, whereas no effect was observed on MC38 tumor growth in immunodeficient NSG mice, suggesting an immune cell mediated tumor growth inhibition. Analysis of The Cancer Genome Atlas data has showed that Grk2 is amplified across multiple tumor types, including bladder, uterine and cholangiocarcinoma cancer, and that Grk2 amplification is prognostic for tumor outcome, confirming the human relevance and suggesting a translatable patient selection strategy. In conclusion, we identified Grk2 as novel target for oncology, demonstrating a direct effect of Grk2 inhibition on cancer cells through inhibiting G2/M cell cycle progression and an indirect effect on tumor growth through immune cell activation. Cygnal’s Grk2 inhibitors possess superior potency over previous Grk2 inhibitors and have shown promising preclinical anti-tumor efficacy.
Citation Format: Alexandra Lantermann, Eugene Chekler, Bruce Lefker, Garmen Yuen, Vanessa Lam, Matthew Strickland, Justyne Pennacchio, Aaron Fulgham, Dara Bree, Thomas Perekslis, Grazia Piizzi, Hongyue Dai, Tim Zheng, John Wagner, Pearl Huang. Identification of Grk2 as novel oncology target and development of potent Grk2 inhibitors [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2022; 2022 Apr 8-13. Philadelphia (PA): AACR; Cancer Res 2022;82(12_Suppl):Abstract nr 166.
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Dai H, Li HS, Zhang JJ, Chen Y, Zhang XC, Hu MZ, Guan ZY, Liu Y, Shang HC. Molecular mechanism and therapeutic potential of YiQi FuMai injection in acute heart failure. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehab849.062] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Funding Acknowledgements
Type of funding sources: Foundation. Main funding source(s): The National Science Foundation for Distinguished Young Scholars of China
Background
Acute heart failure (AHF) is a significant public health problem related to the high mortality and rehospitalization rate of patients. Although drug development is never interrupted, no single drug has been proven to play a decisive role in improving the survival of AHF patients. In China, multi-component traditional Chinese medicine has been widely used to treat AHF. As a Chinese herbal injection included in medical insurance, Yiqi Fumai Injection can reduce the level of NT-proBNP in AHF patients, improve heart function, and alleviate symptoms and signs related to heart failure. To further evaluate the therapeutic effect of Yiqi Fumai Injection on AHF, a multi-center, double-blind, randomized controlled trial that intends to recruit 1270 patients is being carried out in China. However, the mechanism of Yiqi Fumai Injection in the treatment of AHF has not been clarified. To further explore the underlying mechanism, we used systematic pharmacology methods to explore the potential molecular mechanisms of biologically active compounds.
Methods
We used the databases of HERB, the Encyclopedia of Traditional Chinese Medicine (ETCM), the Comparative Toxicogenomics Database (CTD), Online Mendelian Inheritance in Man (OMIM), and GeneCards to predict the active ingredients and potential targets of Yiqi Fumai Injection in the treatment of AHF. STRING was used for PPI network construction and analysis. Cytoscape was used to build a network between Chinese medicine, ingredients and targets. The DAVID, GO, and KEGG databases were used to predict the potential pathways of Yiqi Fumai Injection for the treatment of AHF.
Results
We obtained 31 active compounds of Yiqi Fumai Injection from HERB and ECTM databases. By overlapping targets between YQFMI and AHF, a total of 240 potential targets for Yiqi Fumai Injection to treat AHF were selected. According to the H-C-T network topology analysis, the core compounds include beta-sitosterol, Uridine, Guanosine, and Stigmasterol. Sixteen protein targets had significantly higher node degrees than the average in the PPI network, including AKT1, JUN, TNF, EDN1, CASP3, ESR1, DLG4, PTGS2, NOS3, IL1B, C3, AR, LEP, CNR1, CHRM2, and DRD2. The PPI results showed that the potential therapeutic targets of YQFMI were densely enriched in pathways related to endothelial function, neuromodulation, and lipid metabolism.The same results were shown in GO and KEGG pathway enrichment.
Conclusion
Our results indicate that Yiqi Fumai Injection may achieve the goal of improving AHF-related symptoms by regulating the function of vascular endothelium and nerves and the biosynthetic pathway of lipid metabolism. These findings support previous studies and provide a reference for studying the mechanism of Yiqi Fumai Injection in the treatment of AHF. Abstract Figure.
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Affiliation(s)
- H Dai
- Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - H S Li
- Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - J J Zhang
- Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - Y Chen
- Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - X C Zhang
- Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - M Z Hu
- Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - Z Y Guan
- Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - Y Liu
- Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - H C Shang
- Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
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15
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Dai H, Lou S, Zhang Y, Thanawala M, Huang K, Ji L, Carden S, Liao T, Abbassi M, Shu CJ, Lantermann A, Sadaghiani M, Blom D, Wagner J, Huang P. Transcriptional neural-like signaling contributes to an immune-suppressive tumor microenvironment. FASEB Bioadv 2022; 4:76-89. [PMID: 35024574 PMCID: PMC8728105 DOI: 10.1096/fba.2021-00076] [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: 06/29/2021] [Revised: 08/31/2021] [Accepted: 09/07/2021] [Indexed: 11/17/2022] Open
Abstract
Tumor innervation has recently been documented and characterized in various settings and tumor types. However, the role that nerves innervating tumors play in the pathogenesis of cancer has not been clarified. In this study, we searched for neural signaling from bulk RNA sequencing from The Cancer Genome Atlas (TCGA) dataset and looked for patterns of interactions between different cell types within the tumor environment. Using a presynapse signature (PSS) as a probe, we showed that multiple stromal cell types crosstalk and/or contribute to neural signals. Based on the correlation and linear regression, we hypothesized that neural signals contribute to an immune-suppressive tumor microenvironment (TME). To test this hypothesis, we performed in vitro dorsal root ganglion (DRG)/macrophage coculture experiments. Compared to the M2 macrophage monoculture, the DRG/M2 macrophage coculture prevented anti-inflammatory M2 to pro-inflammatory M1 polarization by LPS stimulation. Finally, a survey of different TCGA tumor types indicated that higher RNA neural signature is predictive of poor patient outcomes in multiple tumor types.
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Affiliation(s)
- Hongyue Dai
- Cygnal TherapeuticsCambridgeMassachusettsUSA
| | - Shan Lou
- Cygnal TherapeuticsCambridgeMassachusettsUSA
| | - Yanbo Zhang
- Cygnal TherapeuticsCambridgeMassachusettsUSA
| | | | | | - Lexiang Ji
- Cygnal TherapeuticsCambridgeMassachusettsUSA
| | | | | | | | | | | | | | - Daniel Blom
- Cygnal TherapeuticsCambridgeMassachusettsUSA
| | - John Wagner
- Cygnal TherapeuticsCambridgeMassachusettsUSA
| | - Pearl Huang
- Cygnal TherapeuticsCambridgeMassachusettsUSA
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16
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Miller AR, Krasnonosenkikh D, Thanawala M, Huang KC, Thomas GV, Lantermann AB, Dai H, Sadaghiani M, Wagner JA, Huang P. Abstract P262: Automated nerve identification in histopathology slides enables comprehensive analysis of innervation in cancer and tumor neurobiology. Mol Cancer Ther 2021. [DOI: 10.1158/1535-7163.targ-21-p262] [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: 11/16/2022]
Abstract
Abstract
Linking features of the tumor microenvironment (TME) to patient outcome is ambitious yet crucial to understand cancer progression and prognosis in order to develop new therapies. The current method to assess histopathological images is visual inspection by a professional, generally a pathologist. While this is an effective approach for diagnosis, it does not scale well for discovery biology and population-based studies for drug discovery purposes. An automated approach would allow for a more rapid, systematic, and comprehensive analysis of several morphological features of the TME by taking advantage of thousands of already existing slides within databases and biobanks. Recent studies have shown intriguing relationships between innervation in tumors (tumor exoneural biology) and patient outcomes. Here we present an automated tool that can detect and quantify nerve presence in tumors. We manually annotated a set of digital slides from The Cancer Genome Atlas (TCGA) in order to develop a deep learning model to quantify the presence of nerves in head and neck tumors stained with H&E. This tool is generalizable and was applied to identify patterns in the appearance of tumor-infiltrating lymphocytes (TILs) in and around tumors. It may be further applied to other structural features such as blood vessels in order to characterize and correlate these features within the TME in hundreds of images across cancer types. This enables integration of imaging features with multi-omics data to uncover potential biological pathways that are upregulated in groups with dense innervation compared to sparse innervation in cancer. The main advantage of this approach is the ability to utilize many public databases in which the features of interest can be correlated with reported patient comorbidities, treatments, and phenotypes. This platform-based methodology can be expanded to other disease areas and could ultimately provide valuable insight about exoneural biology and its role in disease physiology to identify new avenues for therapies.
Citation Format: Alison R. Miller, Daniel Krasnonosenkikh, Monica Thanawala, Kai Chih Huang, George V. Thomas, Alexandra B. Lantermann, Hongyue Dai, Masoud Sadaghiani, John A. Wagner, Pearl Huang. Automated nerve identification in histopathology slides enables comprehensive analysis of innervation in cancer and tumor neurobiology [abstract]. In: Proceedings of the AACR-NCI-EORTC Virtual International Conference on Molecular Targets and Cancer Therapeutics; 2021 Oct 7-10. Philadelphia (PA): AACR; Mol Cancer Ther 2021;20(12 Suppl):Abstract nr P262.
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17
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Huang K, Lou S, Wang C, Thanawala MS, Turner J, Fink A, Ji L, Sadaghiani M, Huang P, Dai H. DeepNeurite™: Identification of neurites from non‐specific binding of fluorescence probes through deep learning. FASEB Bioadv 2021. [DOI: 10.1096/fba.2021-00072] [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] [Indexed: 11/11/2022] Open
Affiliation(s)
| | - Shan Lou
- Cygnal Therapeutics Cambridge Massachusetts USA
| | | | | | | | - Alex Fink
- Cygnal Therapeutics Cambridge Massachusetts USA
| | - Lexiang Ji
- Cygnal Therapeutics Cambridge Massachusetts USA
| | | | - Pearl Huang
- Cygnal Therapeutics Cambridge Massachusetts USA
| | - Hongyue Dai
- Cygnal Therapeutics Cambridge Massachusetts USA
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18
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Dai H, Zhang M, Zhang Q, Zhao S. 357P A phase II study of anlotinib in the treatment of recurrent high-grade glioma. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.08.021] [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: 10/20/2022] Open
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19
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Thanawala M, Wang CC, Turner JG, Huang KC, Ji L, Miller A, Fink A, Lou S, Lantermann AB, Dai H, Wagner JA, Piizi G, Hurov JB, Huang P, Sadaghiani AM. Abstract 1450: Neural communication to peripheral tumors regulates cancer cell activity. Cancer Res 2021. [DOI: 10.1158/1538-7445.am2021-1450] [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: 11/16/2022]
Abstract
Abstract
Transcriptomics and sequencing analyses of tumors from patients provide invaluable information about the cells present in the tumor microenvironment (TME); however, nerves, whose cell bodies are absent from most peripheral TMEs, have eluded such approaches. Recent emerging data highlight the functional importance of innervation in the TME and its contribution to tumor progression, metastasis, and treatment resistance. The Exoneural Platform developed at Cygnal Therapeutics allows for investigation of complex biology in the context of multi-cell culture conditions in vitro and in vivo. As part of this platform, we have developed tools for rapid and selective manipulation of different cell types with the ability to monitor multiple cell specific read-outs. Here, we used a combination of approaches including RNA-seq, bioinformatics, immunohistochemistry, and microscopy to investigate the role of synaptic function in cancer biology. Transcriptomics analyses on co-cultures revealed a direct interaction between nerves and cancer cells based on cell type specific gene expression and ligand - receptor interaction assessment. Both neurons and cancer cells showed a profound shift in their gene expression profile when cultured together. This differential gene expression was reversed if neurons were ablated, pointing to the reversibility of this change and, potentially, the disease state itself. Examination for presence and function of synaptic proteins showed that synaptic proteins, such as PSD95 and synapsin1, were expressed in co-cultures, and in many cases, a co-localization of pre - and post - synaptic markers was observed. Selective stimulation of dorsal ganglion root (DRG) neurons, co-cultured with cancer cells, resulted in a robust and acute increase of cytosolic calcium in cancer cells. Bioinformatic image analysis confirmed that this calcium influx in cancer cells directly correlated with proximity and density of neurites to cancer cells. A calcium response was not observed if DRGs and cancer cells were cultured in two separate chambers between which media can freely travel, confirming that close proximity is required for this interaction. Pharmacological and genetic knock down of key synaptic proteins resulted in changes in cancer cell calcium influx and affected proliferation and gene expression. Bioinformatics analyses, based on public and proprietary data, have identified the synaptic pathway as a major contributing node that influences cancer cell biology in the context of several cancer types. These data collectively point to the importance of exoneural biology, and more specifically, synaptic biology in cancer. More importantly, these results are likely to suggest new oncology targets that have not been identified or pursued previously.
Citation Format: Monica Thanawala, Chih-Chieh Wang, Jesse G. Turner, Kai-Chih Huang, Lexiang Ji, Alison Miller, Alexandria Fink, Shan Lou, Alexandra B. Lantermann, Hongyue Dai, John A. Wagner, Grazia Piizi, Jonathan B. Hurov, Pearl Huang, Amir M. Sadaghiani. Neural communication to peripheral tumors regulates cancer cell activity [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2021; 2021 Apr 10-15 and May 17-21. Philadelphia (PA): AACR; Cancer Res 2021;81(13_Suppl):Abstract nr 1450.
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Affiliation(s)
| | | | | | | | | | | | | | - Shan Lou
- Cygnal Therapeutics, Cambridge, MA
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20
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Sethumadhavan S, Zhu E, Fulgham A, Abbassi M, Apte A, Liao T, Merriman C, Molloy K, Stein C, Hanna A, Geoghegan J, Prinz B, Dai H, Hurov J, Huang P, Blom D. Abstract 526: Novel mechanisms of Neuropilin-1 inhibition result in improved tumor growth inhibition in vivo. Cancer Res 2021. [DOI: 10.1158/1538-7445.am2021-526] [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: 11/16/2022]
Abstract
Abstract
Background Cygnal Therapeutics, pioneer in exoneuronal biology, has identified the neuronal protein, Neuropilin-1 (NRP1) as a critical regulator of tumor growth and anti-tumor immunity. NRP1 is a co-receptor that complexes with diverse ligands and their cognate receptors. As such, it plays a role in multiple different biological processes, including axon guidance and angiogenesis. NRP1 contains two CUB domains (a1 and a2) involved in binding the ligand Semaphorin3A (SEMA3A), two Factor V/VIII domains (b1 and b2) involved in VEGF ligand binding and one MAM domain (c domain). While functional antibodies with anti-tumor activity have been generated against the SEMA3A and VEGF binding domains, targeting other domains of NRP1 has not been well-studied. For example, the c-domain of NRP1 has been implicated in the dimerization of NRP1, a prerequisite for functionality. Thus c-domain blockers might inhibit multiple signaling pathways required for tumor growth. Alternatively, binders targeting the interface of two different domains might allow for simultaneous blocking of multiple ligands. We therefore hypothesized that these novel binders to alternative regions of NRP1 such as the b1/b2 interface and the c-domain would have improved and significant anti-tumor activity.
Methods Antibodies with diverse binding characteristics were tested for in vivo anti-tumor activity in multiple syngeneic models, including anti-PD1 non-responsive models. Ability of these of the anti-NRP1 antibodies to elicit an adaptive immune response was evaluated.
Results Novel binders to alternative regions of NRP1 such as domain interfaces and the c-domain resulted in significant tumor growth inhibition in multiple syngeneic models. Additionally, the NRP1 antagonists induced a robust CD8 T cell response, indicating immune-stimulatory role of these antibodies.
Conclusions Cygnal has developed fully human monoclonal antibodies against previously untargeted domains of NRP1. These novel domain binders show remarkable inhibition of tumor growth in multiple syngeneic models and offer a novel means of therapeutic intervention in patients.
Citation Format: Shalini Sethumadhavan, Eric Zhu, Aaron Fulgham, Mandana Abbassi, Ameya Apte, Tiffany Liao, Chengfeng Merriman, Katherine Molloy, Caitlin Stein, Amber Hanna, James Geoghegan, Bianka Prinz, Hongyue Dai, Jonathan Hurov, Pearl Huang, Daniel Blom. Novel mechanisms of Neuropilin-1 inhibition result in improved tumor growth inhibition in vivo [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2021; 2021 Apr 10-15 and May 17-21. Philadelphia (PA): AACR; Cancer Res 2021;81(13_Suppl):Abstract nr 526.
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Affiliation(s)
| | - Eric Zhu
- 1Cygnal Therapeutics, Cambridge, MA
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21
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Lopes MG, Alharthi AS, Lopreiato V, Abdel-Hamied E, Liang Y, Coleman DN, Dai H, Corrêa MN, Socha MT, Ballou MA, Trevisi E, Loor JJ. Maternal supplementation with cobalt sources, folic acid, and rumen-protected methionine and its effects on molecular and functional correlates of the immune system in neonatal Holstein calves. J Dairy Sci 2021; 104:9340-9354. [PMID: 33985772 DOI: 10.3168/jds.2020-19674] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [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: 09/18/2020] [Accepted: 03/30/2021] [Indexed: 12/16/2022]
Abstract
Calves born to multiparous Holstein cows fed during the last 30 d of pregnancy 2 different cobalt sources [cobalt glucoheptonate (CoPro) or cobalt pectin (CoPectin)], folic acid (FOA), and rumen-protected methionine (RPM) were used to study neonatal immune responses after ex vivo lipopolysaccharide (LPS) challenge. Groups were (n = 12 calves/group) CoPro, FOA+CoPro, FOA+CoPectin, and FOA+CoPectin+RPM. Calves were weighed at birth and blood collected at birth (before colostrum), 21 d of age, and 42 d of age (at weaning). Growth performance was recorded once a week during the first 6 wk of age. Energy metabolism, inflammation, and antioxidant status were assessed at birth through various plasma biomarkers. Whole blood was challenged with 3 µg/mL of LPS or used for phagocytosis and oxidative burst assays. Target genes evaluated by real-time quantitative PCR in whole blood samples were associated with immune response, antioxidant function, and 1-carbon metabolism. The response in mRNA abundance in LPS challenged versus nonchallenged samples was assessed via Δ = LPS challenged - LPS nonchallenged samples. Phagocytosis capacity and oxidative burst activity were measured in neutrophils and monocytes, with data reported as ratio (percentage) of CD14 to CH138A-positive cells. Data including all time points were subjected to ANOVA using PROC MIXED in SAS 9.4 (SAS Institute Inc.), with Treatment, Sex, Age, and Treatment × Age as fixed effects. A 1-way ANOVA was used to determine differences at birth, with Treatment and Sex as fixed effects. Calf birth body weight and other growth parameters did not differ between groups. At birth, plasma haptoglobin concentration was lower in FOA+CoPro compared with CoPro calves. We detected no effect for other plasma biomarkers or immune function due to maternal treatments at birth. Compared with CoPro, in response to LPS challenge, whole blood from FOA+CoPectin and FOA+CoPectin+RPM calves had greater mRNA abundance of intercellular adhesion molecule 1 (ICAM1). No effect for other genes was detectable. Regardless of maternal treatments, sex-specific responses were observed due to greater plasma concentrations of haptoglobin, paraoxonase, total reactive oxygen metabolites, nitrite, and β-carotene in female versus male calves at birth. In contrast, whole blood from male calves had greater mRNA abundance of IRAK1, CADM1, and ITGAM in response to LPS challenge at birth. The longitudinal analysis of d 0, 21, and 42 data revealed greater bactericidal permeability-increasing protein (BPI) mRNA abundance in whole blood from FOA+CoPectin versus FOA+CoPro calves, coupled with greater abundance in FOA+CoPro compared with CoPro calves. Regardless of maternal treatments, most genes related to cytokines and cytokine receptors (IL1B, IL10, TNF, IRAK1, CXCR1), toll-like receptor pathway (TLR4, NFKB1), adhesion and migration (ICAM1, ITGAM), antimicrobial function (MPO), and antioxidant function (GPX1) were downregulated over time. Phagocytosis capacity and oxidative burst activity in both neutrophils and monocytes did not differ due to maternal treatment. Regardless of maternal treatments, we observed an increase in the percentage of neutrophils capable of phagocytosis and oxidative burst activity over time. Overall, these preliminary assessments suggested that maternal supplementation with FOA and Co combined with RPM had effects on a few plasma biomarkers of inflammation at birth and molecular responses associated with inflammatory mechanisms during the neonatal period.
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Affiliation(s)
- M G Lopes
- Department of Animal Sciences and Division of Nutritional Sciences, University of Illinois, Urbana 61801; NUPEEC (Núcleo de Pesquisa, Ensino e Extensão em Pecuária), Departamento de Clínicas Veterinária, Programa de Pós-Graduação em Biotecnologia, Universidade Federal de Pelotas, 96010-610, Pelotas, RS, Brazil
| | - A S Alharthi
- Department of Animal Production, College of Food and Agriculture Sciences, King Saud University, Riyadh 11451, Saudi Arabia
| | - V Lopreiato
- Department of Animal Sciences, Food and Nutrition, Faculty of Agriculture, Food and Environmental Science, Università Cattolica del Sacro Cuore, 29122 Piacenza, Italy
| | - E Abdel-Hamied
- Department of Animal Medicine, Faculty of Veterinary Medicine, Beni-Suef University, Beni-Suef 62511, Egypt
| | - Y Liang
- Department of Animal Sciences and Division of Nutritional Sciences, University of Illinois, Urbana 61801
| | - D N Coleman
- Department of Animal Sciences and Division of Nutritional Sciences, University of Illinois, Urbana 61801
| | - H Dai
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou 450002, China
| | - M N Corrêa
- NUPEEC (Núcleo de Pesquisa, Ensino e Extensão em Pecuária), Departamento de Clínicas Veterinária, Programa de Pós-Graduação em Biotecnologia, Universidade Federal de Pelotas, 96010-610, Pelotas, RS, Brazil
| | - M T Socha
- Zinpro Corporation, Eden Prairie, MN 55344
| | - M A Ballou
- Department of Veterinary Sciences, Texas Tech University, Lubbock 79409
| | - E Trevisi
- Department of Animal Sciences, Food and Nutrition, Faculty of Agriculture, Food and Environmental Science, Università Cattolica del Sacro Cuore, 29122 Piacenza, Italy
| | - J J Loor
- Department of Animal Sciences and Division of Nutritional Sciences, University of Illinois, Urbana 61801.
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22
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Lopes MG, Alharthi AS, Lopreiato V, Abdel-Hamied E, Liang Y, Coleman DN, Dai H, Corrêa MN, Fernandez C, Loor JJ. Maternal body condition influences neonatal calf whole-blood innate immune molecular responses to ex vivo lipopolysaccharide challenge. J Dairy Sci 2020; 104:2266-2279. [PMID: 33246612 DOI: 10.3168/jds.2020-18948] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [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: 05/23/2020] [Accepted: 08/29/2020] [Indexed: 12/21/2022]
Abstract
Managing body condition in dairy cows during the close-up period could alter the availability of nutrients to the fetus during the final growth stages in utero. We investigated how maternal body condition score (BCS) in late pregnancy affected calf whole-blood mRNA abundance and IL-1β concentrations after ex vivo lipopolysaccharide (LPS) challenge. Thirty-eight multiparous Holstein cows and their calves from a larger cohort were retrospectively grouped by prepartal BCS as normal BCS (≤3.25; n = 22; NormBCS) and high BCS (≥3.75; n = 16; HighBCS). Calf blood samples collected at birth (before receiving colostrum, d 0) and at ages 21 and 42 d (at weaning) were used for ex vivo whole-blood challenge with 3 µg/mL of LPS before mRNA isolation. Target genes evaluated by real-time quantitative PCR were associated with immune response, antioxidant function, and 1-carbon metabolism. Plasma IL-1β concentrations were also measured. Responses in plasma IL-1β and mRNA abundance were compared between LPS-challenged and nonchallenged samples. Statistical analyses were performed at all time points using a MIXED model in SAS 9.4. Neither birth body weight (NormBCS = 43.8 ± 1.01 kg; HighBCS = 43.9 ± 1.2 kg) nor colostrum IgG concentration (NormBCS = 70 ± 5.4 mg/mL; HighBCS = 62 ± 6.5 mg/mL) differed between groups. At birth, whole blood from calves born to HighBCS cows had greater mRNA abundance of IL1B, NFKB1, and GSR and lower GPX1 and CBS abundance after LPS challenge. The longitudinal analysis of d 0, 21, and 42 data revealed a BCS × age effect for SOD2 and NOS2 due to lower mRNA abundance at 42 d in the HighBCS calves. Regardless of maternal BCS, mRNA abundance decreased over time for genes encoding cytokines (IL1B, IL6, IL10, TNF), cytokine receptors (IRAK1, CXCR1), toll-like receptor pathway (TLR4, NFKB1), adhesion and migration (CADM1, ICAM1, ITGAM), and antimicrobial function (MPO). Concentration of IL-1β after LPS challenge was also markedly lower at 21 d regardless of maternal BCS. Overall, results suggested that maternal BCS in late prepartum influences the calf immune system response to an inflammation challenge after birth. Although few genes among those studied were altered due to maternal BCS, the fact that genes related to oxidative stress and 1-carbon metabolism responded to LPS challenge in HighBCS calves underscores the potential role of methyl donors (e.g., methionine, choline, and folic acid) in the early-life innate immune response.
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Affiliation(s)
- M G Lopes
- Department of Animal Sciences and Division of Nutritional Sciences, University of Illinois, Urbana 61801; NUPEEC (Núcleo de Pesquisa, Ensino e Extensão em Pecuária), Departamento de Clínicas Veterinária, Programa de Pós-Graduação em Biotecnologia, Universidade Federal de Pelotas, 96010-610, Pelotas, RS, Brazil
| | - A S Alharthi
- Department of Animal Sciences and Division of Nutritional Sciences, University of Illinois, Urbana 61801; Department of Animal Production, College of Food and Agriculture Sciences, King Saud University, Riyadh 11451, Saudi Arabia
| | - V Lopreiato
- Department of Animal Sciences, Food and Nutrition, Faculty of Agriculture, Food and Environmental Science, Università Cattolica del Sacro Cuore, 29122 Piacenza, Italy
| | - E Abdel-Hamied
- Department of Animal Medicine, Faculty of Veterinary Medicine, Beni-Suef University, Beni- Suef 62511, Egypt
| | - Y Liang
- Department of Animal Sciences and Division of Nutritional Sciences, University of Illinois, Urbana 61801
| | - D N Coleman
- Department of Animal Sciences and Division of Nutritional Sciences, University of Illinois, Urbana 61801
| | - H Dai
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450002, China
| | - M N Corrêa
- NUPEEC (Núcleo de Pesquisa, Ensino e Extensão em Pecuária), Departamento de Clínicas Veterinária, Programa de Pós-Graduação em Biotecnologia, Universidade Federal de Pelotas, 96010-610, Pelotas, RS, Brazil
| | - C Fernandez
- Animal Science Department, Universitàt Politècnica de Valencia, 46022 Valencia, Spain
| | - J J Loor
- Department of Animal Sciences and Division of Nutritional Sciences, University of Illinois, Urbana 61801.
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23
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Dai H, Coleman DN, Lopes MG, Hu L, Martinez-Cortés I, Parys C, Shen X, Loor JJ. Alterations in immune and antioxidant gene networks by gamma-d-glutamyl-meso-diaminopimelic acid in bovine mammary epithelial cells are attenuated by in vitro supply of methionine and arginine. J Dairy Sci 2020; 104:776-785. [PMID: 33189269 DOI: 10.3168/jds.2020-19307] [Citation(s) in RCA: 4] [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] [Received: 07/16/2020] [Accepted: 09/08/2020] [Indexed: 12/25/2022]
Abstract
Nucleotide-binding oligomerization domain (NOD)-like receptor 1 (NOD1) is a cytosolic pattern recognition receptor with a crucial role in the innate immune response of cells triggered by the presence of compounds such as gamma-d-glutamyl-meso-diaminopimelic acid (iE-DAP) present in the peptidoglycan of all gram-negative and certain gram-positive bacteria. Methionine (Met) and arginine (Arg) are functional AA with immunomodulatory properties. In the present study, we aimed to assess the effect of increased Met and Arg supply on mRNA abundance of genes associated with innate immune response, antioxidant function, and AA metabolism during iE-DAP challenge in bovine mammary epithelial cells (BMEC). Primary BMEC (n = 4 per treatment) were precultured in modified medium for 12 h with the following AA formulations: ideal profile of AA (control), increased Met supply (incMet), increased Arg supply (incArg), or increased supply of Met plus Arg (incMetArg). Subsequently, cells were challenged with or without iE-DAP (10 μg/mL) for 6 h. Data were analyzed as a 2 × 2 × 2 factorial using the MIXED procedure of SAS 9.4. Greater mRNA abundance of NOD1, the antioxidant enzyme SOD1, and AA transporters (SLC7A1 and SLC3A2) was observed in the incMet cells after iE-DAP stimulation. Although increased Met alone had no effect, incMetArg led to greater abundance of the inflammatory cytokine IL-6, and the antioxidant enzyme GPX1 after iE-DAP stimulation. The increased Arg alone downregulated NOD1 after iE-DAP stimulation, coupled with a downregulation in the AA transporters mRNA abundance (SLC7A1, SLC7A5, SLC3A2, and SLC38A9), and upregulation in GSS and KEAP1 mRNA abundance. Overall, the data indicated that increased supply of both Met and Arg in the culture medium were more effective in modulating the innate immune response and antioxidant capacity of BMEC during in vitro iE-DAP stimulation.
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Affiliation(s)
- H Dai
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, P. R. China; Department of Animal Sciences and Division of Nutritional Sciences, University of Illinois, Urbana 61801
| | - D N Coleman
- Department of Animal Sciences and Division of Nutritional Sciences, University of Illinois, Urbana 61801
| | - M G Lopes
- Department of Animal Sciences and Division of Nutritional Sciences, University of Illinois, Urbana 61801
| | - L Hu
- Department of Animal Sciences and Division of Nutritional Sciences, University of Illinois, Urbana 61801; College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, P. R. China
| | - I Martinez-Cortés
- Department of Animal Sciences and Division of Nutritional Sciences, University of Illinois, Urbana 61801; Agricultural and Animal Production Department, UAM-Xochimilco, Mexico City, Mexico 04960
| | - C Parys
- Evonik Nutrition & Care GmbH, Hanau-Wolfgang, 63457, Germany
| | - X Shen
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, P. R. China
| | - J J Loor
- Department of Animal Sciences and Division of Nutritional Sciences, University of Illinois, Urbana 61801.
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Shen L, Li J, Miao Z, Xu N, Liu B, Li X, Zhang Q, Gao Q, Zhao Y, Pan H, Pei Z, Li W, Xia H, Wang J, Dai H, Shi Q, Yang J. 1445P CS1001, an anti-PD-L1 antibody, combined with standard of care (SOC) chemotherapy for first line (1L) advanced GC/GEJ and ESCC: Preliminary results from 2 phase Ib cohorts of CS1001-101 study. Ann Oncol 2020. [DOI: 10.1016/j.annonc.2020.08.1951] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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Liang JR, Dai H, Yang HM, Yang Z, Wang ZY. The effect of dietary vitamin A supplementation in maternal and its offspring on the early growth performance, liver vitamin A content, and antioxidant index of goslings. Poult Sci 2020; 98:6849-6856. [PMID: 31350994 PMCID: PMC8913995 DOI: 10.3382/ps/pez432] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Accepted: 07/12/2019] [Indexed: 12/20/2022] Open
Abstract
This study investigated the effect of dietary VA supplementation on maternal and its offspring in terms of the early growth performance, antioxidant index, and tissue VA content of the goslings. Yangzhou geese aged 180 D were selected and randomly distributed into 5 experimental groups with 15 female geese and 3 male geese in each group. The geese were fed a basal diet supplemented with 0, 4,000, 8,000, 12,000, or 16,000 IU/kg VA. Eggs were collected from each group starting at 300 D. After hatching, 96 goslings were selected from each maternal group and randomly distributed into 2 experimental groups with factorial arrangement (6 replicates × 8 geese), including 2 levels of VA supplementations, 0 and 9,000 IU/kg. The results are as follows: (1) Different levels of maternal VA supplementation significantly affected the BW and weight gain of 7-day-old offspring (P < 0.05). The weight gain of offspring administered 9,000 IU/kg VA was significantly higher than that of offspring administered the basal diet (P < 0.05). (2) Maternal VA levels significantly affected the T3, T4, and insulin levels of the offspring (P < 0.05). (3) The GSH-PX, SOD, T-AOC, CAT, and tissue VA content of the offspring were significantly higher and MDA was significantly lower in the 9,000 IU/kg VA group than in the no VA group (P < 0.05). (4) Maternal VA levels had a significant effect on offspring GSH, GSH-PX, SOD, MDA, T-AOC, and CAT (P < 0.05). Maternal and offspring VA supplementation interact with the weight gain, tissue VA content, GSH, GSH-PX, SOD, MDA, and CAT of goslings (P < 0.05). Maternal supplementation with 12,000 IU/kg VA and offspring supplementation with 9,000 IU/kg VA was conducive to gosling growth.
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Affiliation(s)
- J R Liang
- College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu Province 225009, PR China
| | - H Dai
- College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu Province 225009, PR China
| | - H M Yang
- College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu Province 225009, PR China
| | - Z Yang
- College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu Province 225009, PR China
| | - Z Y Wang
- College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu Province 225009, PR China.,Joint International Research Laboratory of Agriculture and Agri-Product Safety of Ministry of Education of China, Yangzhou University, Jiangsu Province 225009, PR China
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Abstract
Deoxynivalenol (DON) is a secondary metabolite mainly produced by the fungi Fusarium in agricultural crops, widely existing in feeds and cereal-based foodstuffs. Because of the high occurrence and potentials to induce a variety of toxic effects on animals and humans, DON has been a very harmful exogenous dietary toxicant threating public health. The focus of this review is to summarise the DON-induced broad spectrum of adverse health effects, to probe the current state of knowledge of combined toxicity of DON with other mycotoxins and its derivatives, and to put forward prospective ideas that multi-generational toxicity of DON and its overall impacts on intestinal-immuno-neuroendocrine system could receive more attention in future investigations. The general aim is to provide a scientific basis for the necessity to re-consider risk-assessment and regulations.
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Affiliation(s)
- H. Zhou
- College of Food Science, Southwest University, Tiansheng Road #2, Chongqing 400715, China P.R
| | - T. Guog
- College of Food Science, Southwest University, Tiansheng Road #2, Chongqing 400715, China P.R
| | - H. Dai
- College of Food Science, Southwest University, Tiansheng Road #2, Chongqing 400715, China P.R
| | - Y. Yu
- College of Food Science, Southwest University, Tiansheng Road #2, Chongqing 400715, China P.R
| | - Y. Zhang
- College of Food Science, Southwest University, Tiansheng Road #2, Chongqing 400715, China P.R
- Biological Science Research Center, Southwest University, Chongqing 26463, China P.R
| | - L. Ma
- College of Food Science, Southwest University, Tiansheng Road #2, Chongqing 400715, China P.R
- Biological Science Research Center, Southwest University, Chongqing 26463, China P.R
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Feng AL, Han X, Meng X, Chen Z, Li Q, Shu W, Dai H, Zhu J, Yang Z. PRDX2 plays an oncogenic role in esophageal squamous cell carcinoma via Wnt/β-catenin and AKT pathways. Clin Transl Oncol 2020; 22:1838-1848. [PMID: 32130676 DOI: 10.1007/s12094-020-02323-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2019] [Accepted: 02/12/2020] [Indexed: 12/16/2022]
Abstract
PURPOSE To investigate the role of PRDX2 in esophageal carcinoma (ESCA). METHODS The expression of PRDX2 was detected in ESCA tissues. And PRDX2 expression in two ESCA cell lines was knocked down. Cell proliferation, metastasis and invasion were detected in these cells. RESULTS Here, we found that PRDX2 expression was significantly increased in ESCA tissues and was associated with a poor prognosis in ESCA patients. In addition, PRDX2 expression was significantly associated with pathological grading, infiltration degree and 5-year survival time in ESCA patients. Next, we knocked down PRDX2 expression by PRDX2-shRNA transfection in two ESCA cell lines, Eca-109 and TE-1. Proliferation analysis indicated that in vitro PRDX2 knockdown decreased growth and clone formation of ESCA cells. Scratch and transwell assays indicated that cell migration and invasion were significantly inhibited by PRDX2 knockdown. In addition, PRDX2 knockdown inhibited cell cycle of ESCA cells and down-regulated Cyclin D1-CDK4/6. Moreover, PRDX2 knockdown regulated proteins involved in mitochondrial-dependent apoptosis, including increased Bax and Caspase9/3 and decreased Bcl2. Mechanism investigation indicated that PRDX2 knockdown led to inactivation of Wnt/β-catenin and AKT pathways. CONCLUSIONS Our data suggest that PRDX2 may function as an oncogene in the development of ESCA via regulating Wnt/β-catenin and AKT pathways. Our study fills a gap in the understanding of the role of PRDX2 in ESCA and provides a potential target for ESCA treatment.
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Affiliation(s)
- A L Feng
- Department of Oncology, Shandong Provincial Hospital Affiliated To Shandong University, 324# Jing 5 Road, Jinan, 250021, People's Republic of China
| | - X Han
- Experimental Department, Affiliated Tumor Hospital of Guangxi Medical University, 71# Hedi Road, Nanning, 530021, People's Republic of China
| | - X Meng
- Department of Oncology, Shandong Provincial Hospital Affiliated To Shandong University, 324# Jing 5 Road, Jinan, 250021, People's Republic of China
| | - Z Chen
- Department of Oncology, Shandong Provincial Hospital Affiliated To Shandong University, 324# Jing 5 Road, Jinan, 250021, People's Republic of China
| | - Q Li
- Department of Oncology, Shandong Provincial Hospital Affiliated To Shandong University, 324# Jing 5 Road, Jinan, 250021, People's Republic of China
| | - W Shu
- Department of Oncology, Shandong Provincial Hospital Affiliated To Shandong University, 324# Jing 5 Road, Jinan, 250021, People's Republic of China
| | - H Dai
- Department of Oncology, Shandong Provincial Hospital Affiliated To Shandong University, 324# Jing 5 Road, Jinan, 250021, People's Republic of China
| | - J Zhu
- Department of General Surgery, The First Affiliated Hospital of Shandong First Medical University, 16766# Jingshi Road, Jinan, 250014, People's Republic of China.
| | - Z Yang
- Department of Oncology, Shandong Provincial Hospital Affiliated To Shandong University, 324# Jing 5 Road, Jinan, 250021, People's Republic of China.
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Zhang H, Guo F, Tang M, Dai H, Sheng J, Chen L, Liu S, Wang J, Shi Y, Ye C, Hou G, Wu X, Jin X, Chen K. Association between Skeletal Muscle Strength and Dysphagia among Chinese Community-Dwelling Elderly Adults. J Nutr Health Aging 2020; 24:642-649. [PMID: 32510118 DOI: 10.1007/s12603-020-1379-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [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] [Indexed: 10/24/2022]
Abstract
OBJECTIVES Swallowing disorder is a health burden for the elderly in China. This study aimed to investigate the prevalence of dysphagia and to test the association between skeletal muscle strength and swallowing problems among community-dwelling older adults. DESIGN A cross-sectional study. SETTING Community-dwelling Chinese elderly in China. PARTICIPANTS 3361 adults aged 65 years or above were involved, among which 1740 (51.8%) were female, with average age of 72.64 (Standard deviation, SD=6.10) years old. MEASUREMENTS Handgrip strength (HGS) was used to evaluate skeletal muscle strength. Dysphagia assessment was performed using the Eating Assessment Tool-10 (EAT-10) and the 30mL water swallow test (WST). Binary logistic regression was used to evaluate the relationship between skeletal muscle strength and dysphagia, and covariates as age, gender, material status, etc. were adjusted. RESULTS The prevalence of dysphagia were 5.5% and 12.9%, screened by EAT-10 and 30mL WST respectively. Participants with dysphagia showed lower HGS (21.73 ± 9.20 vs. 25.66 ± 11.32, p<0.001, by EAT-10; 20.26 ± 9.88 vs. 26.22 ± 11.28, p<0.001, by WST). The adjusted model suggested that muscle strength is a protective factor for swallowing disorders (adjusted OR=0.974, 95%CI: 0.950-0.999, by EAT-10; adjusted OR=0.952, 95%CI: 0.933-0.972, by WST). Subgroup analyses of WST found the effects were significant among participants aged in 70-74 years group and ≥75 years group, rather than those aged under 70. CONCLUSION Dysphagia was significantly associated with skeletal muscle strength among the community-dwelling elderly population. Effective interventions should be taken to manage the decline of muscle strength for the older adults, especially early prevention before 70 years old.
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Affiliation(s)
- H Zhang
- Huafang Zhang, Department of Nursing, the Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, Zhejiang, 322000, China. Tel: +86-15924187619. ; Kun Chen, Department of Epidemiology and Biostatistics, Zhejiang University School of Medicine, Hangzhou, 310058, China. Tel: +86-571-88208190
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Li LF, Dong HW, Liu DF, Tian T, Dai H, Liu M. Metabolomics Changes of Serum in Rats Dying from Untypical Electric Injury. Fa Yi Xue Za Zhi 2019; 35:645-650. [PMID: 31970948 DOI: 10.12116/j.issn.1004-5619.2019.06.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Indexed: 11/30/2022]
Abstract
Abstract Objective To study the differential metabolites of serum in rats dying from untypical electric injury by 1H nuclear magnetic resonance (1 NMR)-based metabolomics methods, in order to provide clues for identification of death from antemortem untypical electric injury and instant postmortem electric injury. Methods Models of rats dying from untypical electric injury, instant postmortem electric injury, mechanical asphyxia, mechanical injury, and high temperature injury were established. The rats in control group were executed without any treatment. The serums of rats from every group were detected by 1H NMR-based metabolomics technology to screen differential metabolites. Results The rats dying from untypical electric injury group was compared with those from mechanical asphyxia group, mechanical injury group, high temperature injury group, and control group, respectively. Four chemical shift points with diagnostic value, and their corresponding metabolites were screened. These chemical shift points contained many small molecules, such as alcohols, phenols, sugars, amino acids, etc. The death from untypical electric injury group was compared with those from instant postmortem electric injury group and control group, and then eight chemical shift points with diagnostic value and their corresponding metabolites were screened. These chemical shift points contained small molecules, such as sugars, amino acids, esters, nucleic acids, etc. Conclusion The 1H NMR-based metabolomics technology can identify differential metabolites of serum in rats dying from untypical electric injury, therefore it may provide a basis for the diagnosis of death from untypical electric injury and the identification of antemortem electric injury and instant postmortem electric injury.
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Affiliation(s)
- L F Li
- West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu 610041, China
| | - H W Dong
- Shanghai Key Lab of Forensic Medicine, Key Lab of Forensic Science, Ministry of Justice, Shanghai Forensic Service Platform, Academy of Forensic Science, Shanghai 200063, China
| | - D F Liu
- West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu 610041, China
| | - T Tian
- West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu 610041, China
| | - H Dai
- West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu 610041, China
| | - M Liu
- West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu 610041, China
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Lou S, Fink A, Wang J, Turner J, Thanawala M, Yuen G, Lantermann A, Shu J, Dai H, Huang P, Hurov J. Abstract LB-B17: Uncovering novel cancer therapeutics using the Exoneural Medicines Platform: The role of innervation in cancer. Mol Cancer Ther 2019. [DOI: 10.1158/1535-7163.targ-19-lb-b17] [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: 11/16/2022]
Abstract
Abstract
Peripheral nerves were first described as a component of tumors in the late 19th century. In the mid-20th century early preclinical studies indicated that tumor cells could recruit innervation from spinal cord ganglia and that stress promotes tumorigenesis. Within the last 10 years improvements in technologies allowing neuronal tracking and regulation of neuronal function have uncovered a role for both autonomic and sensory innervation in multiple tumor types. Initial studies have implicated this biology in prostate, pancreatic, gastric and breast cancer (among others) and point to a role for nerves in initiation, maintenance and metastasis of tumors. The stimulation of tumor cell growth by neural growth factors, the recruitment of neurites by tumor cells, the invasion and migration of tumor cells along nerves (perineural invasion), and the role of innervation in driving tumor angiogenesis are just a few examples of how peripheral nerves interact with the tumor microenvironment. Indeed, an argument could be made that innervation of tumors should be considered a hallmark of cancer. We describe here a biological platform that can define and decode the role of neural signaling in cancer. This platform, which we call Exoneural Medicines Platform ™, has 6 technical components: 1) co-culture models of primary neurons with both tumor and immune cells, 2) advanced imaging modalities to define the neural component of tumors, 3) AAV and transgenic tools that allow regulation of neurons proximal to tumors in vivo and in vitro, 4) neural-focused functional genomics, 5) neural-focused bioinformatics, and 6) a neuropharmacopeia compound library for probing relevant biological pathways and identification of advanced starting points for drug discovery. We show here how the platform is being employed to characterize this exciting new space in cancer biology and to identify new drivers of disease.
Citation Format: Shan Lou, Alexandria Fink, Jay Wang, Jesse Turner, Monica Thanawala, Garmen Yuen, Alexandra Lantermann, Jenny Shu, Hongyue Dai, Pearl Huang, Jonathan Hurov. Uncovering novel cancer therapeutics using the Exoneural Medicines Platform: The role of innervation in cancer [abstract]. In: Proceedings of the AACR-NCI-EORTC International Conference on Molecular Targets and Cancer Therapeutics; 2019 Oct 26-30; Boston, MA. Philadelphia (PA): AACR; Mol Cancer Ther 2019;18(12 Suppl):Abstract nr LB-B17. doi:10.1158/1535-7163.TARG-19-LB-B17
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Affiliation(s)
- Shan Lou
- Cygnal Therapeutics, Cambridge, MA
| | | | - Jay Wang
- Cygnal Therapeutics, Cambridge, MA
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Dai H, Coleman DN, Hu L, Martinez-Cortés I, Wang M, Parys C, Shen X, Loor JJ. Methionine and arginine supplementation alter inflammatory and oxidative stress responses during lipopolysaccharide challenge in bovine mammary epithelial cells in vitro. J Dairy Sci 2019; 103:676-689. [PMID: 31733877 DOI: 10.3168/jds.2019-16631] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [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: 03/15/2019] [Accepted: 09/24/2019] [Indexed: 12/13/2022]
Abstract
Mastitis, inflammation of the udder, is one of the most common diseases hampering milk yield of dairy cows. Methionine (Met) and arginine (Arg) are key nutrients with potential to regulate inflammation and oxidative stress. The aim of this study was to evaluate the effect of increased supply of Met and Arg on mRNA and protein abundance associated with innate immune response and redox balance during lipopolysaccharide (LPS) stimulation in primary bovine mammary epithelial cells (BMEC). Primary BMEC (n = 4 replicates per treatment) were pre-incubated for 12 h in media with the following amino acid combinations: ideal profile of amino acids (control; Con), increased Met supply (incMet), increased Arg supply (incArg), and increased supply of Met and Arg (incMetArg). Subsequently, cells were challenged with or without LPS (1 µg/mL) and incubated for 6 h. Data were analyzed as a 2 × 2 × 2 factorial using the MIXED procedure of SAS 9.4 (SAS Institute Inc., Cary, NC). The downregulation of SLC36A1 and SLC7A1 mRNA abundance induced by LPS was attenuated in the incArg cultures. Although challenge with LPS led to lower abundance of proteins related to the antioxidant response (NFE2L2, NQO1, GPX1), lower levels of ATG7, and lower mRNA abundance of GPX3, we found little effect in cultures with incMet or incArg. Cultures with incMet, incArg, or incMetArg led to attenuation of the upregulation of SOD2 and NOS2 induced by LPS. Abundance of phosphorylated p65 (RELA) was greater after LPS stimulation, but the response was attenuated in cultures with incMet. The greater ratio of pRELA to total RELA in responses to LPS was also attenuated in cultures with incMetArg. The greater mRNA abundance of the proinflammatory cytokine IL1B induced by LPS was attenuated in cultures with incMet, and the same trend induced by LPS on CXCL2 was also alleviated in cultures with incArg. Overall, the data suggest that greater supply of Met and Arg alleviated the proinflammatory responses triggered by LPS through controlling the abundance of proinflammatory cytokines and chemokines and activity of NF-κB. Little benefit on oxidative stress induced by LPS challenge in BMEC was detected with greater supply of Met and Arg.
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Affiliation(s)
- H Dai
- College of Veterinary Medicine, Nanjing Agricultural University, 210095 P. R. China; Department of Animal Sciences and Division of Nutritional Sciences, University of Illinois, Urbana 61801
| | - D N Coleman
- Department of Animal Sciences and Division of Nutritional Sciences, University of Illinois, Urbana 61801
| | - L Hu
- Department of Animal Sciences and Division of Nutritional Sciences, University of Illinois, Urbana 61801; College of Animal Science and Technology, Yangzhou University, 225009 P. R. China
| | - I Martinez-Cortés
- Department of Animal Sciences and Division of Nutritional Sciences, University of Illinois, Urbana 61801; Agricultural and Animal Production Department, UAM-Xochimilco, Mexico City 04960
| | - M Wang
- College of Animal Science and Technology, Yangzhou University, 225009 P. R. China
| | - C Parys
- Evonik Nutrition and Care GmbH, Hanau-Wolfgang, 63457, Germany
| | - X Shen
- College of Veterinary Medicine, Nanjing Agricultural University, 210095 P. R. China
| | - J J Loor
- Department of Animal Sciences and Division of Nutritional Sciences, University of Illinois, Urbana 61801.
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Jin M, Dai H, Zhang X, Wang Y, Han M, Zhang H, Liu Y, Wang Z, Gao X, Li L, Wen X, Liu Y, Wei L, Chen Y. A Traditional Chinese Patent Medicine ZQMT for Neovascular Age- Related Macular Degeneration: A Multicenter Randomized Clinical Trial. Curr Mol Med 2019; 18:622-629. [PMID: 30621562 DOI: 10.2174/1566524019666190107155311] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Revised: 12/10/2018] [Accepted: 12/13/2018] [Indexed: 11/22/2022]
Abstract
BACKGROUND Anti-VEGF agent ranibizumab has been extensively used as a standard treatment for wet AMD. We investigated whether traditional Chinese medicine could serve as a complementary therapy for this disease. METHODS 144 patients with neovascular age-related macular degeneration received either intravitreal ranibizumab treatment as needed plus placebo or intravitreal ranibizumab treatment as needed plus an FDA approved traditional Chinese patent medicine named ZQMT. Both groups received treatment for 24 weeks. The primary outcome was the mean change of visual acuity at week 24 as compared to the baseline. RESULTS We found that intravitreal ranibizumab treatment plus ZQMT was non-inferior to the treatment with intravitreal ranibizumab alone in improving visual acuity scores at week 24 with patients in both groups who gained substantial numbers of letters. In addition, we found that ZQMT treatment resulted in significant improvements in reducing retinal hemorrhage, fluid, and lesion size. Importantly, administration of ZQMT reduced the number of needed ranibizumab injections (P<0.0001, analysis of variance) in wet AMD patients leading to a significant reduction of drug cost. CONCLUSION The combinatory therapy of ranibizumab and traditional Chinese patent medicine ZQMT had equivalent effects on visual acuity improvement and safety profiles as the ranibizumab treatment alone. Ranibizumab injections coupled with ZQMT offer therapeutic advantages in terms of reduction of retinal lesions and ease the financial burden of patients undergoing treatment by reducing the frequency of necessary ranibizumab injections.
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Affiliation(s)
- M Jin
- Department of Ophthalmology, China-Japan Friendship Hospital, Beijing 100029, China
| | - H Dai
- Department of Ophthalmology, Beijing Hospital, Beijing 100000, China
| | - X Zhang
- Department of Ophthalmology, Beijing Tongren Hospital, Capital Medical University, Beijing 100730, China
| | - Y Wang
- Department of Ophthalmology, Beijing Friendship Hospital, Capital Medical University, Beijing 100730, China
| | - M Han
- Tianjin Eye Hospital, Tianjin 300020, China
| | - H Zhang
- Department of Ophthalmology, Eye Hospital, Chinese Academy of Chinese Medical Sciences, Beijing 100040, China
| | - Y Liu
- Peking University Eye Center, Peking University, Beijing 100191, China
| | - Z Wang
- Department of Ophthalmology, China-Japan Friendship Hospital, Beijing 100029, China
| | - X Gao
- Chinese Association of Traditional Chinese Medicine, Beijing 100061, China
| | - L Li
- Chinese Association of Traditional Chinese Medicine, Beijing 100061, China
| | - X Wen
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, China
| | - Y Liu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, China
| | - L Wei
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, China
| | - Y Chen
- Department of Ophthalmology, Peking Union Medical College, Beijing 100730, China
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Shen L, Li J, Xu N, Xing B, Zhang Q, Zhao Y, Cao J, Ding J, Wang J, Wang Y, Dai H. A phase Ia/Ib trial of the anti-programmed death-ligand 1 (PD-L1) human monoclonal antibody (mAb), CS1001, in patients (pts) with advanced solid tumours or lymphomas. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz253.093] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Qiu XY, Dai H, Yu XT, Wu CL, Qiu YB. [Analysis on current status and influential factors of occupational stress among couriers]. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi 2019; 37:446-449. [PMID: 31256528 DOI: 10.3760/cma.j.issn.1001-9391.2019.06.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the current status and influencing factors of occupational stress among couriers. Methods: Couriers (n=925) were selected on this study used cluster sampling method from January to March 2018. They were from SF and Zhongtong Express Co., Ltd., on the Wechat platform, and surveyed by a job stress questionnaire based on a job demand-control model.Valid questionnaires(n=617) were obtained. Results: A total of 418 workers were occupational stress positive (67.7%). The results of Chi-square analysis showed that there were significant differences in occupational stress among workers categorized by job position, working years, mealtime, sleeping time, and weekly work time (P<0.05). The multivariate logistic analysis indicated that non-regular meals, short-term sleep and less than 0.5 working years were risk factors for occupational stress(P<0.05). Conclusion: Couriers generally have occupational stress. The main influencing factors are job position, working years mealtime, sleeping time, and weekly work time. It is necessary to guide healthy lifestyle, rationally organize labor and assign tasks, and improve working environment to relieve their occupational stress.
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Affiliation(s)
- X Y Qiu
- Occupational health section of Shajing Institute of Disease Prevention and Health Care, Shenzhen 518104, China
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Alharthi AS, Lopreiato V, Dai H, Bucktrout R, Abdelmegeid M, Batistel F, Parys C, Shen X, Ballou MA, Trevisi E, Alhidary IA, Abdelrahman MM, Loor JJ. Short communication: Supply of methionine during late pregnancy enhances whole-blood innate immune response of Holstein calves partly through changes in mRNA abundance in polymorphonuclear leukocytes. J Dairy Sci 2019; 102:10599-10605. [PMID: 31447163 DOI: 10.3168/jds.2018-15676] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [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: 09/10/2018] [Accepted: 07/02/2019] [Indexed: 12/18/2022]
Abstract
The supply of methionine (Met) in late pregnancy can alter mRNA abundance of genes associated with metabolism and immune response in liver and polymorphonuclear leukocytes (PMN) of the neonatal calf. Whether prenatal supply of Met elicits postnatal effects on systemic inflammation and innate immune response of the calf is not well known. We investigated whether enhancing the maternal supply of Met via feeding ethyl-cellulose rumen-protected Met (RPM) was associated with differences in calf innate immune response mRNA abundance in PMN and systemic indicators of inflammation during the first 50 d of life. Calves (n = 14 per maternal diet) born to cows fed RPM at 0.09% of diet dry matter per day (MET) for the last 28 ± 2 d before calving or fed a control diet with no added Met (CON) were used. Blood for biomarker analysis and isolation of PMN for innate immune function assays and mRNA abundance was harvested at birth (before colostrum feeding) and at 7, 21 and 50 d of age. Whole blood was challenged with enteropathogenic bacteria (Escherichia coli 0118:H8) and phagocytosis and oxidative burst of neutrophils and monocytes were quantified via flow cytometry. Although concentration of haptoglobin and activity of myeloperoxidase among calves from both maternal groups increased markedly between 0 and 7 d of age followed by a decrease to baseline at d 21 the responses were lower in MET compared with CON calves. Nitric oxide concentration decreased markedly between 0 and 7 d regardless of maternal group but MET calves tended to have lower overall concentrations during the study. In vitro phagocytosis in stimulated neutrophils increased markedly over time in both CON and MET calves but responses were overall greater in MET calves. Oxidative burst in both neutrophils and monocytes increased over time regardless of maternal treatment. The mRNA abundance of lactate dehydrogenase (LDHA) signal transducer and activator of transcription 3 (STAT3) and S100 calcium binding protein A8 (S100A8) in PMN was overall greater in MET calves. Overall data suggest that increasing the maternal supply of Met during late pregnancy could affect the neonatal calf inflammatory status and innate immune response. Although changes in mRNA abundance could play a role in coordinating the immune response the exact mechanisms merit further study.
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Affiliation(s)
- A S Alharthi
- Mammalian NutriPhysioGenomics, Department of Animal Sciences and Division of Nutritional Sciences, University of Illinois, Urbana 61801; Department of Animal Production, College of Food and Agriculture Sciences, King Saud University, Riyadh 11451, Saudi Arabia
| | - V Lopreiato
- Department of Animal Sciences, Food and Nutrition, Università Cattolica del Sacro Cuore, Piacenza 29122, Italy
| | - H Dai
- Department of Clinical Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, PR China
| | - R Bucktrout
- Mammalian NutriPhysioGenomics, Department of Animal Sciences and Division of Nutritional Sciences, University of Illinois, Urbana 61801
| | - M Abdelmegeid
- Department of Animal Medicine, Faculty of Veterinary Medicine, Kafrelsheikh University, Kafr El-Shaikh 33516, Egypt
| | - F Batistel
- Department of Animal, Dairy and Veterinary Sciences, Utah State University, Logan 84322
| | - C Parys
- Evonik Nutrition and Care GmbH, 63457 Hanau-Wolfgang, Germany
| | - X Shen
- Department of Clinical Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, PR China
| | - M A Ballou
- Department of Animal Sciences, Texas Tech University, Lubbock 79409
| | - E Trevisi
- Department of Animal Sciences, Food and Nutrition, Università Cattolica del Sacro Cuore, Piacenza 29122, Italy
| | - I A Alhidary
- Department of Animal Production, College of Food and Agriculture Sciences, King Saud University, Riyadh 11451, Saudi Arabia
| | - M M Abdelrahman
- Department of Animal Production, College of Food and Agriculture Sciences, King Saud University, Riyadh 11451, Saudi Arabia
| | - J J Loor
- Mammalian NutriPhysioGenomics, Department of Animal Sciences and Division of Nutritional Sciences, University of Illinois, Urbana 61801.
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Ali MI, Li L, Azmal SA, Yao L, Liu J, Gu W, Huang S, Wang B, Dai H, Liu G. Differential expression of toll-like receptor 13 and ribosomal protein L29 in inflammatory lung and brain. J BIOL REG HOMEOS AG 2019; 33:1023-1040. [PMID: 31309816] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Viral dsRNA acts as the paramount pathogen-associated molecular pattern on infection and orchestrates inflammation or immune cascades of the host's tissues. The comparative effects or mechanisms of inflammation or immunity in different organs on viral infections are critical in immunology or virology. To outline the organ-based molecular mechanisms of inflammation or immunity on viral infection, we challenged mice with the viral mimic poly(I:C) and quantified inflammatory cytokines Il-1b and TNF-α in the brain and lung tissues. As cytokines showed differential expression, transcriptome screenings of mouse lung and brain tissues were analyzed. We identified 629 differentially expressed genes (DEGs) in lung and 137 DEGs in brain tissues with a few overlapping genes. Most of those DEGs were interferon-stimulated genes (ISGs) that are involved in the anti-viral defense mechanisms. The expression patterns of viral dsRNA stimulated genes, and consequently, their association with different molecular mechanisms of inflammation and immunity were specific to the organs. The effects of viral mimic were higher in the lung than in the brain in terms of the number of DEGs and ISGs. Interestingly ribosomal protein L29 (Rpl29), a cell surface heparin-binding protein, was upregulated in the brain and downregulated in the lung. The contrasting expression of Rpl29 gene might be responsible for tissue-specific inflammatory responses in lung and brain tissue on virus infection. In addition, the upregulation of Tlr13, a dsRNA and bacterial 23s rRNA receptor, in the poly(I:C)-stimulated mouse lungs suggests its important role in lung inflammatory responses. It is likely that the combined effects of these genes orchestrate the organ-specific inflammatory or immune responses. Our findings would be beneficial to explore new insights in inflammation and immunity against many critical viral diseases.
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Affiliation(s)
- M I Ali
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei Province, People's Republic of China
- Department of Livestock Services, Dhaka, People's Republic of Bangladesh
| | - L Li
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei Province, People's Republic of China
| | - S A Azmal
- Department of Livestock Services, Dhaka, People's Republic of Bangladesh
- Key Lab of Swine Genetics and Breeding and Agricultural Animal Breeding and Reproduction, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, Hubei Province, People's Republic of China
| | - L Yao
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei Province, People's Republic of China
| | - J Liu
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei Province, People's Republic of China
| | - W Gu
- Department of Medical Laboratory and Center for Translational Cancer Research, Bengbu Medical College, Bengbu, Anhui Province, People's Republic of China
| | - S Huang
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei Province, People's Republic of China
| | - B Wang
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei Province, People's Republic of China
| | - H Dai
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei Province, People's Republic of China
- Key Lab of Swine Genetics and Breeding and Agricultural Animal Breeding and Reproduction, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, Hubei Province, People's Republic of China
| | - G Liu
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei Province, People's Republic of China
- Key Lab of Swine Genetics and Breeding and Agricultural Animal Breeding and Reproduction, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, Hubei Province, People's Republic of China
- Department of Medical Laboratory and Center for Translational Cancer Research, Bengbu Medical College, Bengbu, Anhui Province, People's Republic of China
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Dai H, Kyttaris VC. Interleukin-23 deficiency alters thymic selection in lupus-prone mice. Lupus 2019; 28:1007-1012. [PMID: 31166866 DOI: 10.1177/0961203319854804] [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] [Indexed: 11/15/2022]
Abstract
We have previously reported that IL-23 receptor deficiency in MRL.lpr mice ameliorates lupus by altering the balance of pro- and anti-inflammatory cytokines in secondary lymphoid organs. As IL-23 may also impact thymic selection, we evaluated the effect of IL-23 on thymic T cell development in lupus-prone mice. We generated IL-23p19-deficient MRL.lpr mice and harvested their thymus at 8 weeks of age. We found that the late stage double negative DN4 population was increased in IL-23p19-/- MRL.lpr mice when compared to IL-23p19+/+ MRL.lpr mice. Despite this, mature thymocytes (CD24-TCRβ+) were decreased by more than 50% in the IL-23p19-deficient mice versus wild-type controls. This was associated with a decrease in the generation of CD8+ T cells, possibly through downregulation of the IL-7 receptor. CD8+ T cells were not only fewer in numbers but also had decreased expression of the migration-related receptors CD44 and CD62L in the thymus and spleens of IL-23p19-deficient versus wild-type mice. We propose that IL-23 promotes the development of lupus-like autoimmunity not only through T cell polarization and cytokine production in the peripheral lymphoid organs but also by influencing T cell thymic development.
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Affiliation(s)
- H Dai
- 1 Division of Rheumatology, Beth Israel Deaconess Medical Center, Boston, USA.,2 Harvard Medical School, Boston, USA
| | - V C Kyttaris
- 1 Division of Rheumatology, Beth Israel Deaconess Medical Center, Boston, USA.,2 Harvard Medical School, Boston, USA
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Liu Y, Wang R, He X, Dai H, Betts RJ, Marionnet C, Bernerd F, Planel E, Wang X, Nocairi H, Cai Z, Qiu J, Ding C. Validation of a predictive method for sunscreen formula evaluation using gene expression analysis in a Chinese reconstructed full-thickness skin model. Int J Cosmet Sci 2019; 41:147-155. [PMID: 30719735 DOI: 10.1111/ics.12518] [Citation(s) in RCA: 5] [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] [Received: 08/22/2018] [Revised: 01/17/2019] [Accepted: 01/30/2019] [Indexed: 11/30/2022]
Abstract
OBJECTIVE This study aimed to establish a predictive in vitro method for assessing the photoprotective properties of sunscreens using a reconstructed full-thickness skin model. MATERIALS AND METHODS A full-thickness skin model reconstructed with human fibroblasts and keratinocytes isolated from Chinese skin was exposed to daily UV radiation (DUVR). We examined the transcriptomic response, identifying genes for which expression was modulated by DUVR in a dose-dependent manner. We then validated the methodology for efficacy evaluation of different sunscreens formulas. RESULTS The reconstructed skin model was histologically consistent with human skin, and upon DUVR exposure, the constituent fibroblasts and keratinocytes exhibited transcriptomic alterations in pathways associated with oxidative stress, inflammation and extracellular matrix remodelling. When used to evaluate sunscreen protection on the model, the observed level of protection from UV-induced gene expression was consistent with the corresponding protection factors determined clinically and allowed for statistical ranking of sunscreen efficacy. CONCLUSIONS Within this study we show that quantification of gene modulation within the reconstructed skin model is a biologically relevant approach with sensitivity and predictability to evaluate photoprotection products.
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Affiliation(s)
- Y Liu
- L'Oréal Research and Innovation, 550 Jin Yu Road, Pudong, Shanghai, P.R. China
| | - R Wang
- L'Oréal Research and Innovation, 550 Jin Yu Road, Pudong, Shanghai, P.R. China
| | - X He
- L'Oréal Research and Innovation, 550 Jin Yu Road, Pudong, Shanghai, P.R. China
| | - H Dai
- L'Oréal Research and Innovation, 550 Jin Yu Road, Pudong, Shanghai, P.R. China
| | - R J Betts
- L'Oréal Research and Innovation, 550 Jin Yu Road, Pudong, Shanghai, P.R. China
| | - C Marionnet
- L'Oréal Research and Innovation, 1 Avenue Eugene Schueller, 93601, Aulnay-sous-Bois, France
| | - F Bernerd
- L'Oréal Research and Innovation, 1 Avenue Eugene Schueller, 93601, Aulnay-sous-Bois, France
| | - E Planel
- L'Oréal Research and Innovation, 1 Avenue Eugene Schueller, 93601, Aulnay-sous-Bois, France
| | - X Wang
- L'Oréal Research and Innovation, 550 Jin Yu Road, Pudong, Shanghai, P.R. China
| | - H Nocairi
- L'Oréal Research and Innovation, 1 Avenue Eugene Schueller, 93601, Aulnay-sous-Bois, France
| | - Z Cai
- L'Oréal Research and Innovation, 550 Jin Yu Road, Pudong, Shanghai, P.R. China
| | - J Qiu
- L'Oréal Research and Innovation, 550 Jin Yu Road, Pudong, Shanghai, P.R. China
| | - C Ding
- L'Oréal Research and Innovation, 550 Jin Yu Road, Pudong, Shanghai, P.R. China
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Shen Z, Li BY, Dai H, Zhang SQ, Bai YX, Shao Y. [Effects of budesonide aerosol inhalation on the immunological functions of peripheral dendritic cells in patients with allergic rhinitis]. Lin Chung Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2018; 32:1391-1395. [PMID: 30550169 DOI: 10.13201/j.issn.1001-1781.2018.18.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Indexed: 01/09/2023]
Abstract
Objective: To investigate the immunologic functional changes of peripheral dendritic cells (DC) in patients with allergic rhinitis (AR) during the treatment by budesonide aerosol inhalation.Method:25 patients with moderate to severe persistent AR were concluded in current study, and they were given budesonide aerosol inhalation for 8 weeks. AR related nasal symptom scores and indices, peripheral DC counts and percentages as well as their activation before and 4 weeks, 8 weeks after treatment were determined.Result:There were significant decrease in nasal symptom scores, eosinophils, AR specific IgE antibodies after 4 and 8 weeks of treatment. The overall clinical efficiency reached 88% at the end of the treatment. Peripheral DC counts and DC/PBMC decreased in comparison with the levels of pre-treatment (P<0.05). Compared with the levels before treatment, DC activation markers CD86 and CD80 reduced to various extent, while glucocorticoid-induced leucine zipper (GILZ) positive cells gradually elevated (P<0.05). In the DC secreted IL-10 decreased against the treatment duration, while IFN-γ from DC conditioned T cells statistically increased after treatment (P<0.05). Conclusion:Budesonide suppressed DC activation and maturation, which might redirect DC-involved Th2 response, in turn alleviating the AR symptoms.
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Affiliation(s)
- Z Shen
- Department of Otolaryngology Head and Neck Surgery, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
| | - B Y Li
- Department of Otolaryngology Head and Neck Surgery, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
| | - H Dai
- Department of Otolaryngology Head and Neck Surgery, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
| | - S Q Zhang
- Department of Otolaryngology Head and Neck Surgery, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
| | - Y X Bai
- Department of Otolaryngology Head and Neck Surgery, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
| | - Y Shao
- Department of Otolaryngology Head and Neck Surgery, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
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Jing Z, Du D, Zhang N, Dai H, Wang X, Hua Y, Jiang M, Wu S. Combination of Radiation Therapy and Anti-PD-1 Antibody SHR-1210 in Treating Patients with Esophageal Squamous Cell Cancer. Int J Radiat Oncol Biol Phys 2018. [DOI: 10.1016/j.ijrobp.2018.07.520] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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41
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Ming W, Wang Y, Han JB, Zhang W, Dai H, Xu Y, Qu JN. [Efficacy analysis of T type tube dilatation in adult cervical tracheal stenosis]. Lin Chung Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2018; 32:372-374. [PMID: 29798297 DOI: 10.13201/j.issn.1001-1781.2018.05.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Indexed: 11/12/2022]
Abstract
Objective:To investigate the efficacy, recurrence and strategy of T silicone tube dilatation for cicatricial stenosis of cervical trachea in adults.Method:Cinical data of 37 cases with the cervical tracheal stenosis were retrospectively analyzed, who were firstly treated by T shape silicone tube dilation for at least 10 months, from Jun 2006 to Jun 2016.Result:In 37 adult patients with cicatricial stenosis of the trachea, 29 cases were caused by tracheal intubation or incision, 6 cases were traumatic, and 2 cases were multiple osteochondritis. Twentythree cases were experienced one time surgery and extubated successfully, 8 cases were experienced 2 times and more than 2 times surgery (sternohyoid muscle flap pedicled hyoid bone with T tube expansion in 3 cases, tracheal endoscopic dilatation in 2 cases, T tube dilatation in 3 cases), extubation success rate of 83.7%. Among the 6 cases with failure of extubation, 2 cases were multiple osteochondritis, 3 cases had severe scar constitution, 1 cases were lost of follow-up.Conclusion:T type silicon tube expansion for the treatment of adult cervical tracheal stenosis can be achieved relatively high decannulation rate. For recurrent stenosis, we can consider to use various methods of expansion, and improve the decannulation rate. Intratracheal granulation tissuextubation after exbation should be observed for at least 1 month. For concurrent with polychondritis and severe scar the constitution, the operation should be carefully chosen.
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Affiliation(s)
- W Ming
- Department of Otolaryngology Head and Neck Surgery, Renmin Hospital of Wuhan University, Wuhan, 430060, China
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Chan K, Anvardeen K, Rao R, Hazra S, Hay K, Dai H, Stoyanov N, Birnie D, Dwivedi G. TRICUSPID REGURGITATION AND CARDIAC REMODELING 12 MONTHS AFTER ENDOCARDIAL LEAD IMPLANTATION. Can J Cardiol 2018. [DOI: 10.1016/j.cjca.2018.07.109] [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] Open
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Li L, Guo C, Guo L, Dai H, Ying J, Gao Y. P2.09-04 PD-L1 Expression in Primary Lung Adenocarcinoma and its Relation with EGFR / KRAS Mutation and Clinicopathological Features. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.1301] [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: 10/28/2022]
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Shen L, Cao J, Gong J, Ji D, Qin Z, Dai H, Wu K, Xu J, Yang J. Preliminary safety, pharmacokinetics (PK) and efficacy results from a phase I study of CS1001, an anti-programmed death ligand-1 (PD-L1) monoclonal antibody (mAb) in patients (pts) with advanced tumors. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy288.038] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Manjarrez-Orduño N, Menard LC, Kansal S, Fischer P, Kakrecha B, Jiang C, Cunningham M, Greenawalt D, Patel V, Yang M, Golhar R, Carman JA, Lezhnin S, Dai H, Kayne PS, Suchard SJ, Bernstein SH, Nadler SG. Circulating T Cell Subpopulations Correlate With Immune Responses at the Tumor Site and Clinical Response to PD1 Inhibition in Non-Small Cell Lung Cancer. Front Immunol 2018; 9:1613. [PMID: 30123214 PMCID: PMC6085412 DOI: 10.3389/fimmu.2018.01613] [Citation(s) in RCA: 77] [Impact Index Per Article: 12.8] [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: 05/14/2018] [Accepted: 06/28/2018] [Indexed: 01/13/2023] Open
Abstract
Agents targeting the PD1-PDL1 axis have transformed cancer therapy. Factors that influence clinical response to PD1-PDL1 inhibitors include tumor mutational burden, immune infiltration of the tumor, and local PDL1 expression. To identify peripheral correlates of the anti-tumor immune response in the absence of checkpoint blockade, we performed a retrospective study of circulating T cell subpopulations and matched tumor gene expression in melanoma and non-small cell lung cancer (NSCLC) patients. Notably, both melanoma and NSCLC patients whose tumors exhibited increased inflammatory gene transcripts presented high CD4+ and CD8+ central memory T cell (CM) to effector T cell (Eff) ratios in blood. Consequently, we evaluated CM/Eff T cell ratios in a second cohort of NSCLC. The data showed that high CM/Eff T cell ratios correlated with increased tumor PDL1 expression. Furthermore, of the 22 patients within this NSCLC cohort who received nivolumab, those with high CM/Eff T cell ratios, had longer progression-free survival (PFS) (median survival: 91 vs. 215 days). These findings show that by providing a window into the state of the immune system, peripheral T cell subpopulations inform about the state of the anti-tumor immune response and identify potential blood biomarkers of clinical response to checkpoint inhibitors in melanoma and NSCLC.
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Affiliation(s)
| | | | | | - Paul Fischer
- Bristol-Myers Squibb, Princeton, NJ, United States
| | | | - Can Jiang
- Bristol-Myers Squibb, Princeton, NJ, United States
| | | | | | - Vishal Patel
- Bristol-Myers Squibb, Princeton, NJ, United States
| | - Minghui Yang
- Bristol-Myers Squibb, Princeton, NJ, United States
| | - Ryan Golhar
- Bristol-Myers Squibb, Princeton, NJ, United States
| | | | | | | | - Paul S Kayne
- Bristol-Myers Squibb, Princeton, NJ, United States
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Lei D, Jin X, Wen L, Dai H, Ye Z, Wang G. bmp3 is Required for Integrity of Blood Brain Barrier by Promoting Pericyte Coverage in Zebrafish Embryos. Curr Mol Med 2018; 17:298-303. [PMID: 29110609 DOI: 10.2174/1566524017666171106114234] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2017] [Revised: 10/14/2017] [Accepted: 10/30/2017] [Indexed: 11/22/2022]
Abstract
BACKGROUND The compromise of blood brain barrier (BBB) integrity is often associated with human hemorrhage stroke and neurodegeneration diseases, including retina diseases, such as age-related macular degeneration and diabetic retinopathy. Brain pericytes play pivotal roles in regulation and maintenance of BBB integrity. However, the mechanisms underlying brain pericyte development to establish BBB integrity remain unclear. METHODS Zebrafish transgenic lines Tg(flk1:GFP; gata1:dsRed), Tg(flk1:GFP), Tg(fli1:GFP) and Tg(BRE:GFP) were used in this work. The functional studies of bmp3 were performed by mopholino oligonucleotide (MO) injection, dye-based permeability assay, RT-PCR, in vivo imaging, immunofluorescence staining and statics analysis. RESULTS Here we report that bmp3 regulates BBB integrity in zebrafish brain by promoting pericyte development. Knockdown of bmp3 with injection of bmp3-MO causes intracerebral hemorrhage in zebrafish embryos. Meanwhile, disruption of bmp3 function by bmp3-MO injection impairs cerebral pericyte coverage in zebrafish embryos. Mechanistically, knockdown of bmp3 disrupts the pattern and activities of BMP signaling in zebrafish brain, thus probably disrupting the balance of TGFβ/BMP signaling in zebrafish embryos. CONCLUSION In summary, our data shows that bmp3 regulates BBB integrity potentially by promoting pericyte development.
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Affiliation(s)
- D Lei
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400030, China
| | - X Jin
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400030, China
| | - L Wen
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400030, China
| | - H Dai
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400030, China
| | - Z Ye
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400030, China
| | - G Wang
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400030, China
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Dai H, Jiang HY, Xu AE. Detection of lichen planus pigmentosus with dermoscopy and reflectance confocal microscopy. Skin Res Technol 2018; 24:699-700. [PMID: 29790598 DOI: 10.1111/srt.12475] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/02/2018] [Indexed: 11/30/2022]
Affiliation(s)
- H. Dai
- Department of Dermatology; The Third People's Hospital of Hangzhou; Hangzhou Zhejiang China
| | - H.-Y. Jiang
- Department of Dermatology; The Third People's Hospital of Hangzhou; Hangzhou Zhejiang China
| | - A.-E. Xu
- Department of Dermatology; The Third People's Hospital of Hangzhou; Hangzhou Zhejiang China
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Yang Z, Qi XM, Yang HM, Dai H, Xu CX, Wang ZY. Effects of Dietary Copper on Growth Performance, Slaughter Performance and Nutrient Content of Fecal in Growing Goslings from 28 to 70 Days of Age. Rev Bras Cienc Avic 2018. [DOI: 10.1590/1806-9061-2017-0536] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Z Yang
- Yangzhou University, P. R. China
| | - XM Qi
- Rudong County Animal Husbandry and Veterinary Station, P. R. China
| | - HM Yang
- Yangzhou University, P. R. China
| | - H Dai
- Yangzhou University, P. R. China
| | - CX Xu
- Yangzhou University, P. R. China
| | - ZY Wang
- Yangzhou University, P. R. China
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Rosterman JL, Pallotto EK, Truog WE, Escobar H, Meinert KA, Holmes A, Dai H, Manimtim WM. The impact of neurally adjusted ventilatory assist mode on respiratory severity score and energy expenditure in infants: a randomized crossover trial. J Perinatol 2018; 38:59-63. [PMID: 29072677 DOI: 10.1038/jp.2017.154] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2017] [Revised: 08/01/2017] [Accepted: 08/30/2017] [Indexed: 11/09/2022]
Abstract
OBJECTIVE Examine respiratory severity scores (RSS) (mean airway pressure × fraction of inspired oxygen) and resting energy expenditure (REE) on neurally adjusted ventilatory assist (NAVA) compared with synchronized intermittent mandatory ventilation with pressure controlled and supported breath (SIMV (PC)PS). STUDY DESIGN A randomized, crossover trial in a level IV neonatal intensive care unit. Twenty-four patients were ventilated with NAVA or SIMV (PC) PS for 12 h and then crossed over to the alternative mode for 12 h. The primary outcome (RSS) and additional secondary respiratory outcomes were analyzed. RESULTS RSS and measured REE were not different between modes. On NAVA, peak inspiratory pressures were lower (17.8 vs 19.9 cmH2O (P<0.05)) without higher oxygen requirements. Respiratory rates were higher on NAVA (52 vs 39 (P<0.05)), estimated work of breathing (WOB) (0.01 vs 0.04 J l-1 (P<0.05)) was improved. CONCLUSION NAVA mode can be safe without increase in RSS or REE. Although respiratory rates were higher, this was offset by lower peak inspiratory pressures and WOB during NAVA.
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Affiliation(s)
- J L Rosterman
- Children's Mercy-Kansas City, University of Missouri-Kansas City School of Medicine, Kansas City, MO, USA
| | - E K Pallotto
- Children's Mercy-Kansas City, University of Missouri-Kansas City School of Medicine, Kansas City, MO, USA
| | - W E Truog
- Children's Mercy-Kansas City, University of Missouri-Kansas City School of Medicine, Kansas City, MO, USA
| | - H Escobar
- Children's Mercy-Kansas City, University of Missouri-Kansas City School of Medicine, Kansas City, MO, USA
| | - K A Meinert
- Children's Mercy-Kansas City, University of Missouri-Kansas City School of Medicine, Kansas City, MO, USA
| | - A Holmes
- Children's Mercy-Kansas City, University of Missouri-Kansas City School of Medicine, Kansas City, MO, USA
| | - H Dai
- Children's Mercy-Kansas City, University of Missouri-Kansas City School of Medicine, Kansas City, MO, USA
| | - W M Manimtim
- Children's Mercy-Kansas City, University of Missouri-Kansas City School of Medicine, Kansas City, MO, USA
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Ellis J, Seefeld M, Miller W, Fox R, Evans K, Atkins C, Dai H, Jayawickreme C, Bedard M, Santos L, Gupta A, Grillot D, Nicodeme E, Weiss M. LB985 GSK2967901A, a novel small molecule SIRT1 activator for the topical treatment of psoriasis. J Invest Dermatol 2017. [DOI: 10.1016/j.jid.2017.07.065] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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