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Wang F, Dai H, Zhou Z, Shan Y, Yu M, Sun J, Sheng L, Huang L, Meng X, You Y, Sheng M. Astragalus polysaccharides augment BMSC homing via SDF-1/CXCR4 modulation: a novel approach to counteract peritoneal mesenchymal transformation and fibrosis. BMC Complement Med Ther 2024; 24:204. [PMID: 38789949 DOI: 10.1186/s12906-024-04483-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Accepted: 04/24/2024] [Indexed: 05/26/2024] Open
Abstract
PURPOSE This study aimed to evaluate the potential of astragalus polysaccharide (APS) pretreatment in enhancing the homing and anti-peritoneal fibrosis capabilities of bone marrow mesenchymal stromal cells (BMSCs) and to elucidate the underlying mechanisms. METHODS Forty male Sprague-Dawley rats were allocated into four groups: control, peritoneal dialysis fluid (PDF), PDF + BMSCs, and PDF + APSBMSCs (APS-pre-treated BMSCs). A peritoneal fibrosis model was induced using PDF. Dil-labeled BMSCs were administered intravenously. Post-transplantation, BMSC homing to the peritoneum and pathological alterations were assessed. Stromal cell-derived factor-1 (SDF-1) levels were quantified via enzyme-linked immunosorbent assay (ELISA), while CXCR4 expression in BMSCs was determined using PCR and immunofluorescence. Additionally, a co-culture system involving BMSCs and peritoneal mesothelial cells (PMCs) was established using a Transwell setup to examine the in vitro effects of APS on BMSC migration and therapeutic efficacy, with the CXCR4 inhibitor AMD3100 deployed to dissect the role of the SDF-1/CXCR4 axis and its downstream impacts. RESULTS In vivo and in vitro experiments confirmed that APS pre-treatment notably facilitated the targeted homing of BMSCs to the peritoneal tissue of PDF-treated rats, thereby amplifying their therapeutic impact. PDF exposure markedly increased SDF-1 levels in peritoneal and serum samples, which encouraged the migration of CXCR4-positive BMSCs. Inhibition of the SDF-1/CXCR4 axis through AMD3100 application diminished BMSC migration, consequently attenuating their therapeutic response to peritoneal mesenchyme-to-mesothelial transition (MMT). Furthermore, APS upregulated CXCR4 expression in BMSCs, intensified the activation of the SDF-1/CXCR4 axis's downstream pathways, and partially reversed the AMD3100-induced effects. CONCLUSION APS augments the SDF-1/CXCR4 axis's downstream pathway activation by increasing CXCR4 expression in BMSCs. This action bolsters the targeted homing of BMSCs to the peritoneal tissue and amplifies their suppressive influence on MMT, thereby improving peritoneal fibrosis.
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Affiliation(s)
- Funing Wang
- Department of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine (Jiangsu Province Hospital of Chinese Medicine), Nanjing, China
- Medical Experimental Research Center, First College of Clinical Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Huibo Dai
- Department of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine (Jiangsu Province Hospital of Chinese Medicine), Nanjing, China
- Medical Experimental Research Center, First College of Clinical Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Ziren Zhou
- Department of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine (Jiangsu Province Hospital of Chinese Medicine), Nanjing, China
- Medical Experimental Research Center, First College of Clinical Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Yun Shan
- Department of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine (Jiangsu Province Hospital of Chinese Medicine), Nanjing, China
| | - Manshu Yu
- Department of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine (Jiangsu Province Hospital of Chinese Medicine), Nanjing, China
| | - Jinyi Sun
- Department of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine (Jiangsu Province Hospital of Chinese Medicine), Nanjing, China
- Medical Experimental Research Center, First College of Clinical Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Li Sheng
- Department of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine (Jiangsu Province Hospital of Chinese Medicine), Nanjing, China
- Medical Experimental Research Center, First College of Clinical Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Liyan Huang
- Department of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine (Jiangsu Province Hospital of Chinese Medicine), Nanjing, China
- Medical Experimental Research Center, First College of Clinical Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Xiaohui Meng
- Department of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine (Jiangsu Province Hospital of Chinese Medicine), Nanjing, China
- Medical Experimental Research Center, First College of Clinical Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Yongqing You
- Department of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine (Jiangsu Province Hospital of Chinese Medicine), Nanjing, China
- Medical Experimental Research Center, First College of Clinical Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Meixiao Sheng
- Department of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine (Jiangsu Province Hospital of Chinese Medicine), Nanjing, China.
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Shan Y, Yu M, Dai H, Zhu X, Wang F, You Y, Cao H, Sheng L, Zhao J, Tang L, Shi J, Sheng M. The role of macrophage-derived Exosomes in reversing peritoneal fibrosis: Insights from Astragaloside IV. Phytomedicine 2024; 129:155683. [PMID: 38701543 DOI: 10.1016/j.phymed.2024.155683] [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] [Subscribe] [Scholar Register] [Received: 12/25/2023] [Revised: 04/06/2024] [Accepted: 04/24/2024] [Indexed: 05/05/2024]
Abstract
BACKGROUND Peritoneal dialysis (PD) is a successful renal replacement therapy for end-stage renal disease. Long-term PD causes mesothelial-mesenchymal transition (MMT) of peritoneal mesothelial cells (PMCs), leading to peritoneal fibrosis (PF), which reduces the efficiency of PD. Macrophages are thought to play a role in the onset and perpetuation of peritoneal injury. However, the mechanisms by which macrophages-PMCs communication regulates peritoneal fibrosis are not fully understood resulting in a lack of disease-modifying drugs. Astragaloside IV (AS-IV) possessed anti-fibrotic effect towards PF in PD whereas the mechanistic effect of AS-IV in PD is unknown. METHODS The primary macrophages were extracted and treated with LPS or AS-IV, then co-cultured with primary PMCs in transwell plates. The macrophage-derived exosomes were extracted and purified by differential centrifugation, then co-cultured with primary PMCs. Small RNA-seq was used to detect differential miRNAs in exosomes, and then KEGG analysis and q-PCR were performed for validation. In vivo PD rat models were established by inducing with high-glucose peritoneal dialysis fluid and different concentrations of AS-IV and exosomes were intraperitoneal injection. Through qRT-PCR, western blotting, and luciferase reporting, candidate proteins and pathways were validated in vivo and in vitro. The functions of the validated pathways were further investigated using the mimic or inhibition strategy. PF and inflammatory situations were assessed. RESULTS We found AS-IV reversed the MMT of PMCs caused by LPS-stimulated macrophages and the improving effect was mediated by macrophage-derived exosomes in vitro. We also demonstrated that AS-IV significantly reduced the MMT of PMCs in vitro or PF in a rat PD model via regulating exosome-contained miR-204-5p which targets Foxc1/β-catenin signaling pathway. CONCLUSION AS-IV attenuates macrophage-derived exosomes induced fibrosis in PD through the miR-204-5p/Foxc1 pathway.
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Affiliation(s)
- Yun Shan
- Department of nephrology, Jiangsu Province Hospital of Chinese Medicine, The Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing 210029, China,; Key Laboratory for Metabolic Diseases in Chinese Medicine, First College of Clinical Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Manshu Yu
- Department of nephrology, Jiangsu Province Hospital of Chinese Medicine, The Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing 210029, China
| | - Huibo Dai
- Department of nephrology, Jiangsu Province Hospital of Chinese Medicine, The Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing 210029, China,; Key Laboratory for Metabolic Diseases in Chinese Medicine, First College of Clinical Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Xiaolin Zhu
- Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Funing Wang
- Department of nephrology, Jiangsu Province Hospital of Chinese Medicine, The Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing 210029, China,; Key Laboratory for Metabolic Diseases in Chinese Medicine, First College of Clinical Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Yongqing You
- Department of nephrology, Jiangsu Province Hospital of Chinese Medicine, The Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing 210029, China,; Key Laboratory for Metabolic Diseases in Chinese Medicine, First College of Clinical Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Huimin Cao
- Key Laboratory for Metabolic Diseases in Chinese Medicine, First College of Clinical Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Li Sheng
- Department of nephrology, Jiangsu Province Hospital of Chinese Medicine, The Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing 210029, China,; Key Laboratory for Metabolic Diseases in Chinese Medicine, First College of Clinical Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Junyi Zhao
- Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Lei Tang
- Key Laboratory for Metabolic Diseases in Chinese Medicine, First College of Clinical Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Jun Shi
- Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Meixiao Sheng
- Department of nephrology, Jiangsu Province Hospital of Chinese Medicine, The Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing 210029, China,.
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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
| | - Y Y Lu
- 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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Sheng L, Shan Y, Dai H, Yu M, Sun J, Huang L, Wang F, Sheng M. Intercellular communication in peritoneal dialysis. Front Physiol 2024; 15:1331976. [PMID: 38390449 PMCID: PMC10882094 DOI: 10.3389/fphys.2024.1331976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Accepted: 01/26/2024] [Indexed: 02/24/2024] Open
Abstract
Long-term peritoneal dialysis (PD) causes structural and functional alterations of the peritoneal membrane. Peritoneal deterioration and fibrosis are multicellular and multimolecular processes. Under stimulation by deleterious factors such as non-biocompatibility of PD solution, various cells in the abdominal cavity show differing characteristics, such as the secretion of different cytokines, varying protein expression levels, and transdifferentiation into other cells. In this review, we discuss the role of various cells in the abdominal cavity and their interactions in the pathogenesis of PD. An in-depth understanding of intercellular communication and inter-organ communication in PD will lead to a better understanding of the pathogenesis of this disease, enabling the development of novel therapeutic targets.
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Affiliation(s)
- Li Sheng
- Department of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
- First Clinic Medical School, Nanjing University of Chinese Medicine, Nanjing, China
| | - Yun Shan
- Department of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Huibo Dai
- Department of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
- First Clinic Medical School, Nanjing University of Chinese Medicine, Nanjing, China
| | - Manshu Yu
- Department of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Jinyi Sun
- Department of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
- First Clinic Medical School, Nanjing University of Chinese Medicine, Nanjing, China
| | - Liyan Huang
- Department of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
- First Clinic Medical School, Nanjing University of Chinese Medicine, Nanjing, China
| | - Funing Wang
- Department of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
- First Clinic Medical School, Nanjing University of Chinese Medicine, Nanjing, China
| | - Meixiao Sheng
- Department of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
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Dai H, Shan Y, Yu M, Wang F, Zhou Z, Sun J, Sheng L, Huang L, Sheng M. Network pharmacology, molecular docking and experimental verification of the mechanism of huangqi-jixuecao herb pair in treatment of peritoneal fibrosis. J Ethnopharmacol 2024; 318:116874. [PMID: 37437794 DOI: 10.1016/j.jep.2023.116874] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 05/30/2023] [Accepted: 07/01/2023] [Indexed: 07/14/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE The Huangqi-Jixuecao herb pair (HQJXCHP) is a traditional herbal formula composed of two widely applied TCM prescriptions, Huangqi (Astragalus membranaceus (Fisch.) Bunge) and Jixuecao (Centella asiatica (L.) Urb.), used for hundreds of years to replenish qi and clear away heat. However, the therapeutic effects of HQJXCHP against peritoneal fibrosis (PF) and potential targets are currently unclear. AIMS OF THE STUDY The main objective of this study was preliminary prediction and validation of the effects and molecular mechanisms of action of HQJXCHP against PF based on network pharmacology analysis and experimental verification. MATERIALS AND METHODS The ingredients of HQJXCHP were analyzed via HPLC-Q-TOF/MS. Bioactive compounds of HQJXCHP used for network pharmacology analysis were obtained from the TCMSP database. HQJXCHP-related therapeutic targets in PF were obtained from the GeneCards, OMIM, Therapeutic Targets and PharmGkb databases. Therapeutic target-related signaling pathways were predicted via GO and KEGG pathway enrichment analyses. The targets of HQJXCHO were further validated in a PDS-induced PF mouse model in vivo and PMCs MMT model in vitro. RESULTS A total of 23 bioactive compounds of HQJXCHP related 188 target genes were retrieved. The HQJXCHP compound-target and PF-related target networks identified 131 common target genes. Subsequent protein-protein interaction (PPI) network analysis results disclosed Akt1, TP53, TNF, VEGFA and CASP3 as the top five key targets of HQJXCHP. Further molecular docking data revealed strong affinity of the two key compounds of HQJXCHP, quercetin and kaempferol, for these key targets. GO and KEGG pathway enrichment analyses further showed that PI3K/Akt, IL-17, TNF and TLR pathways contribute to the therapeutic effects of HQJXCHP on PF. An in vivo PDS-induced PF mouse model and in vitro PMCs mesothelial-to-mesenchymal transition (MMT) model with or without HQJXCHP intervention were used to confirm the effects and mechanisms of action of HQJXCHP. Western blot and qRT-PCR results showed that HQ, JXC and HQJXCHP reduced PDS-induced inflammatory cell aggregation and peritoneal thickening through suppressing the MMT process, among which HQJXCHP exerted the greatest therapeutic effect. Moreover, HQJXCHP inhibited activation of the PI3K/Akt, IL-17, TNF and TLR signaling pathways induced by PDS. CONCLUSIONS This is the first study to employ network pharmacology and molecular docking analyses to predict the targets of HQJXCHP with therapeutic effects on PDS-related PF. Data from in vivo and in vitro validation experiments collectively showed that HQJXCHP delays the PF process through inhibiting PI3K/Akt, IL-17, TNF and TLR signaling pathways. Overall, our findings highlight the successful application of network pharmacology theory to provide a scientific basis for clinical utility of HQJXCHP against PF.
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Affiliation(s)
- Huibo Dai
- Department of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China; First Clinic Medical School, Nanjing University of Chinese Medicine, Nanjing, China
| | - Yun Shan
- Department of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Manshu Yu
- Department of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Funing Wang
- Department of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China; First Clinic Medical School, Nanjing University of Chinese Medicine, Nanjing, China
| | - Ziren Zhou
- Department of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China; First Clinic Medical School, Nanjing University of Chinese Medicine, Nanjing, China
| | - Jinyi Sun
- Department of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China; First Clinic Medical School, Nanjing University of Chinese Medicine, Nanjing, China
| | - Li Sheng
- Department of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China; First Clinic Medical School, Nanjing University of Chinese Medicine, Nanjing, China
| | - Liyan Huang
- Department of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China; First Clinic Medical School, Nanjing University of Chinese Medicine, Nanjing, China
| | - Meixiao Sheng
- Department of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China.
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Staplin N, Haynes R, Judge PK, Wanner C, Green JB, Emberson J, Preiss D, Mayne KJ, Ng SYA, Sammons E, Zhu D, Hill M, Stevens W, Wallendszus K, Brenner S, Cheung AK, Liu ZH, Li J, Hooi LS, Liu WJ, Kadowaki T, Nangaku M, Levin A, Cherney D, Maggioni AP, Pontremoli R, Deo R, Goto S, Rossello X, Tuttle KR, Steubl D, Petrini M, Seidi S, Landray MJ, Baigent C, Herrington WG, Abat S, Abd Rahman R, Abdul Cader R, Abdul Hafidz MI, Abdul Wahab MZ, Abdullah NK, Abdul-Samad T, Abe M, Abraham N, Acheampong S, Achiri P, Acosta JA, Adeleke A, Adell V, Adewuyi-Dalton R, Adnan N, Africano A, Agharazii M, Aguilar F, Aguilera A, Ahmad M, Ahmad MK, Ahmad NA, Ahmad NH, Ahmad NI, Ahmad Miswan N, Ahmad Rosdi H, Ahmed I, Ahmed S, Ahmed S, Aiello J, Aitken A, AitSadi R, Aker S, Akimoto S, Akinfolarin A, Akram S, Alberici F, Albert C, Aldrich L, Alegata M, Alexander L, Alfaress S, Alhadj Ali M, Ali A, Ali A, Alicic R, Aliu A, Almaraz R, Almasarwah R, Almeida J, Aloisi A, Al-Rabadi L, Alscher D, Alvarez P, Al-Zeer B, Amat M, Ambrose C, Ammar H, An Y, Andriaccio L, Ansu K, Apostolidi A, Arai N, Araki H, Araki S, Arbi A, Arechiga O, Armstrong S, Arnold T, Aronoff S, Arriaga W, Arroyo J, Arteaga D, Asahara S, Asai A, Asai N, Asano S, Asawa M, Asmee MF, Aucella F, Augustin M, Avery A, Awad A, Awang IY, Awazawa M, Axler A, Ayub W, Azhari Z, Baccaro R, Badin C, Bagwell B, Bahlmann-Kroll E, Bahtar AZ, Baigent C, Bains D, Bajaj H, Baker R, Baldini E, Banas B, Banerjee D, Banno S, Bansal S, Barberi S, Barnes S, Barnini C, Barot C, Barrett K, Barrios R, Bartolomei Mecatti B, Barton I, Barton J, Basily W, Bavanandan S, Baxter A, Becker L, Beddhu S, Beige J, Beigh S, Bell S, Benck U, Beneat A, Bennett A, Bennett D, Benyon S, Berdeprado J, Bergler T, Bergner A, Berry M, Bevilacqua M, Bhairoo J, Bhandari S, Bhandary N, Bhatt A, Bhattarai M, Bhavsar M, Bian W, Bianchini F, Bianco S, Bilous R, Bilton J, Bilucaglia D, Bird C, Birudaraju D, Biscoveanu M, Blake C, Bleakley N, Bocchicchia K, Bodine S, Bodington R, Boedecker S, Bolduc M, Bolton S, Bond C, Boreky F, Boren K, Bouchi R, Bough L, Bovan D, Bowler C, Bowman L, Brar N, Braun C, Breach A, Breitenfeldt M, Brenner S, Brettschneider B, Brewer A, Brewer G, Brindle V, Brioni E, Brown C, Brown H, Brown L, Brown R, Brown S, Browne D, Bruce K, Brueckmann M, Brunskill N, Bryant M, Brzoska M, Bu Y, Buckman C, Budoff M, Bullen M, Burke A, Burnette S, Burston C, Busch M, Bushnell J, Butler S, Büttner C, Byrne C, Caamano A, Cadorna J, Cafiero C, Cagle M, Cai J, Calabrese K, Calvi C, Camilleri B, Camp S, Campbell D, Campbell R, Cao H, Capelli I, Caple M, Caplin B, Cardone A, Carle J, Carnall V, Caroppo M, Carr S, Carraro G, Carson M, Casares P, Castillo C, Castro C, Caudill B, Cejka V, Ceseri M, Cham L, Chamberlain A, Chambers J, Chan CBT, Chan JYM, Chan YC, Chang E, Chang E, Chant T, Chavagnon T, Chellamuthu P, Chen F, Chen J, Chen P, Chen TM, Chen Y, Chen Y, Cheng C, Cheng H, Cheng MC, Cherney D, Cheung AK, Ching CH, Chitalia N, Choksi R, Chukwu C, Chung K, Cianciolo G, Cipressa L, Clark S, Clarke H, Clarke R, Clarke S, Cleveland B, Cole E, Coles H, Condurache L, Connor A, Convery K, Cooper A, Cooper N, Cooper Z, Cooperman L, Cosgrove L, Coutts P, Cowley A, Craik R, Cui G, Cummins T, Dahl N, Dai H, Dajani L, D'Amelio A, Damian E, Damianik K, Danel L, Daniels C, Daniels T, Darbeau S, Darius H, Dasgupta T, Davies J, Davies L, Davis A, Davis J, Davis L, Dayanandan R, Dayi S, Dayrell R, De Nicola L, Debnath S, Deeb W, Degenhardt S, DeGoursey K, Delaney M, Deo R, DeRaad R, Derebail V, Dev D, Devaux M, Dhall P, Dhillon G, Dienes J, Dobre M, Doctolero E, Dodds V, Domingo D, Donaldson D, Donaldson P, Donhauser C, Donley V, Dorestin S, Dorey S, Doulton T, Draganova D, Draxlbauer K, Driver F, Du H, Dube F, Duck T, Dugal T, Dugas J, Dukka H, Dumann H, Durham W, Dursch M, Dykas R, Easow R, Eckrich E, Eden G, Edmerson E, Edwards H, Ee LW, Eguchi J, Ehrl Y, Eichstadt K, Eid W, Eilerman B, Ejima Y, Eldon H, Ellam T, Elliott L, 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S, Girakossyan I, Girndt M, Giuffrida A, Glenwright M, Glider T, Gloria R, Glowski D, Goh BL, Goh CB, Gohda T, Goldenberg R, Goldfaden R, Goldsmith C, Golson B, Gonce V, Gong Q, Goodenough B, Goodwin N, Goonasekera M, Gordon A, Gordon J, Gore A, Goto H, Goto S, Goto S, Gowen D, Grace A, Graham J, Grandaliano G, Gray M, Green JB, Greene T, Greenwood G, Grewal B, Grifa R, Griffin D, Griffin S, Grimmer P, Grobovaite E, Grotjahn S, Guerini A, Guest C, Gunda S, Guo B, Guo Q, Haack S, Haase M, Haaser K, Habuki K, Hadley A, Hagan S, Hagge S, Haller H, Ham S, Hamal S, Hamamoto Y, Hamano N, Hamm M, Hanburry A, Haneda M, Hanf C, Hanif W, Hansen J, Hanson L, Hantel S, Haraguchi T, Harding E, Harding T, Hardy C, Hartner C, Harun Z, Harvill L, Hasan A, Hase H, Hasegawa F, Hasegawa T, Hashimoto A, Hashimoto C, Hashimoto M, Hashimoto S, Haskett S, Hauske SJ, Hawfield A, Hayami T, Hayashi M, Hayashi S, Haynes R, Hazara A, Healy C, Hecktman J, Heine G, Henderson H, Henschel R, Hepditch A, Herfurth K, 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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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Judge PK, Staplin N, Mayne KJ, Wanner C, Green JB, Hauske SJ, Emberson JR, Preiss D, Ng SYA, Roddick AJ, Sammons E, Zhu D, Hill M, Stevens W, Wallendszus K, Brenner S, Cheung AK, Liu ZH, Li J, Hooi LS, Liu WJ, Kadowaki T, Nangaku M, Levin A, Cherney D, Maggioni AP, Pontremoli R, Deo R, Goto S, Rossello X, Tuttle KR, Steubl D, Massey D, Landray MJ, Baigent C, Haynes R, Herrington WG, Abat S, Abd Rahman R, Abdul Cader R, Abdul Hafidz MI, Abdul Wahab MZ, Abdullah NK, Abdul-Samad T, Abe M, Abraham N, Acheampong S, Achiri P, Acosta JA, Adeleke A, Adell V, Adewuyi-Dalton R, Adnan N, Africano A, Agharazii M, Aguilar F, Aguilera A, Ahmad M, Ahmad MK, Ahmad NA, Ahmad NH, Ahmad NI, Ahmad Miswan N, Ahmad Rosdi H, Ahmed I, Ahmed S, Ahmed S, Aiello J, Aitken A, AitSadi R, Aker S, Akimoto S, Akinfolarin A, Akram S, Alberici F, Albert C, Aldrich L, Alegata M, Alexander L, Alfaress S, Alhadj Ali M, Ali A, Ali A, Alicic R, Aliu A, Almaraz R, Almasarwah R, Almeida J, Aloisi A, Al-Rabadi L, Alscher D, 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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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Sun J, Tang L, Shan Y, Yu M, Sheng L, Huang L, Cao H, Dai H, Wang F, Zhao J, Sheng M. TMT quantitative proteomics and network pharmacology reveal the mechanism by which asiaticoside regulates the JAK2/STAT3 signaling pathway to inhibit peritoneal fibrosis. J Ethnopharmacol 2023; 309:116343. [PMID: 36906159 DOI: 10.1016/j.jep.2023.116343] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 01/24/2023] [Accepted: 02/27/2023] [Indexed: 06/18/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Traditional Chinese medicine, Centella asiatica (L.) Urb., has been extensively utilized in clinics to treat a variety of fibrotic disorders. Asiaticoside (ASI), as an important active ingredient, has attracted much attention in this field. However, the effect of ASI on peritoneal fibrosis (PF) is still unclear. Therefore, we evaluated the benefits of ASI for PF and mesothelial-mesenchymal transition (MMT) and revealed the underlying mechanisms. AIM OF STUDY The objective of this investigation was to anticipate the potential molecular mechanism of ASI against peritoneal mesothelial cells (PMCs) MMT employing proteomics and network pharmacology, and to confirm it using in vivo and in vitro studies. MATERIALS AND METHODS The mesentery of peritoneal fibrosis mice and normal mice were analyzed quantitatively for proteins that were differentially expressed using a technique tandem mass tag (TMT). Next, the core target genes of ASI against PF were screened through network pharmacology analysis, and PPI and C-P‒T networks were constructed by Cytoscape Version 3.7.2. According to the findings of a GO and KEGG enrichment analysis of differential proteins and core target genes, the signaling pathway with a high correlation degree was selected as the key signaling pathway of ASI inhibiting the PMCs MMT for further molecular docking analysis and experimental verification. RESULTS TMT-based quantitative proteome analysis revealed the identification of 5727 proteins, of which 70 were downregulated and 178 were upregulated. Among them, the levels of STAT1, STAT2, and STAT3 in the mesentery of mice with peritoneal fibrosis were considerably lower than in the control group, indicating a role for the STAT family in the pathogenesis of peritoneal fibrosis. Then, a total of 98 ASI-PF-related targets were identified by network pharmacology analysis. JAK2 is one of the top 10 core target genes representing a potential therapeutic target. JAK/STAT signaling may represent a core pathway mediating PF effects by ASI. Molecular docking studies showed that ASI had the potential to interact favorably with target genes involved in the JAK/STAT signaling pathway, such as JAK2 and STAT3. The experimental results showed that ASI could significantly alleviate Chlorhexidine Gluconate (CG)-induced peritoneal histopathological changes and increase JAK2 and STAT3 phosphorylation levels. In TGF-β1-stimulated HMrSV5 cells, E-cadherin expression levels were dramatically reduced whereas Vimentin, p-JAK2, α-SMA, and p-STAT3 expression levels were considerably increased. ASI inhibited the TGF-β1-induced HMrSV5 cell MMT, decreased the activation of JAK2/STAT3 signaling, and increased the nuclear translocation of p-STAT3, which was consistent with the effect of the JAK2/STAT3 pathway inhibitor AG490. CONCLUSION ASI can inhibit PMCs MMT and alleviate PF by regulating the JAK2/STAT3 signaling pathway.
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Affiliation(s)
- Jinyi Sun
- Renal Division, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Lei Tang
- Renal Division, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Yun Shan
- Renal Division, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Manshu Yu
- Renal Division, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Li Sheng
- Renal Division, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Liyan Huang
- Renal Division, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Huimin Cao
- Renal Division, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Huibo Dai
- Renal Division, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Funing Wang
- Renal Division, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Juan Zhao
- Key Laboratory for Metabolic Diseases in Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Meixiao Sheng
- Renal Division, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China.
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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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Li N, Wang Y, Wei P, Min Y, Yu M, Zhou G, Yuan G, Sun J, Dai H, Zhou E, He W, Sheng M, Gao K, Zheng M, Sun W, Zhou D, Zhang L. Causal Effects of Specific Gut Microbiota on Chronic Kidney Diseases and Renal Function-A Two-Sample Mendelian Randomization Study. Nutrients 2023; 15:nu15020360. [PMID: 36678231 PMCID: PMC9863044 DOI: 10.3390/nu15020360] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 01/02/2023] [Accepted: 01/05/2023] [Indexed: 01/13/2023] Open
Abstract
BACKGROUND Targeting the gut microbiota may become a new therapeutic to prevent and delay the progression of chronic kidney disease (CKD). Nonetheless, the causal relationship between specific intestinal flora and CKD is still unclear. MATERIALS AND METHOD To identify genetically predicted microbiota, we used summary data from genome-wide association studies on gut microbiota in 18340 participants from 24 cohorts. Furthermore, we genetically predicted the causal relationship between 211 gut microbiotas and six phenotypes (outcomes) (CKD, estimated glomerular filtration rate (eGFR), urine albumin to creatinine ratio (UACR), dialysis, rapid progress to CKD, and rapid decline of eGFR). Four Mendelian randomization (MR) methods, including inverse variance weighted (IVW), MR-Egger, weighted median, and weighted mode were used to investigate the casual relationship between gut microbiotas and various outcomes. The result of IVW was deemed as the primary result. Then, Cochrane's Q test, MR-Egger, and MR-PRESSO Global test were used to detect heterogeneity and pleiotropy. The leave-one method was used for testing the stability of MR results and Bonferroni-corrected was used to test the strength of the causal relationship between exposure and outcome. RESULTS Through the MR analysis of 211 microbiotas and six clinical phenotypes, a total of 36 intestinal microflora were found to be associated with various outcomes. Among them, Class Bacteroidia (=-0.005, 95% CI: -0.001 to -0.008, p = 0.002) has a strong causality with lower eGFR after the Bonferroni-corrected test, whereas phylum Actinobacteria (OR = 1.0009, 95%CI: 1.0003-1.0015, p = 0.0024) has a strong causal relationship with dialysis. The Cochrane's Q test reveals that there is no significant heterogeneity between various single nucleotide polymorphisms. In addition, no significant level of pleiotropy was found according to MR-Egger and MR-PRESSO Global tests. CONCLUSIONS Through the two-sample MR analysis, we identified the specific intestinal flora that has a causal relationship with the incidence and progression of CKD at the level of gene prediction, which may provide helpful biomarkers for early disease diagnosis and potential therapeutic targets for CKD.
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Affiliation(s)
- Ning Li
- Division of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine, Jiangsu Province Hospital of Chinese Medicine, Nanjing 210029, China
| | - Yi Wang
- Division of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine, Jiangsu Province Hospital of Chinese Medicine, Nanjing 210029, China
| | - Ping Wei
- Division of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine, Jiangsu Province Hospital of Chinese Medicine, Nanjing 210029, China
| | - Yu Min
- Department of Biotherapy and National Clinical Research Center, Sichuan University, Chengdu 610041, China
| | - Manshu Yu
- Division of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine, Jiangsu Province Hospital of Chinese Medicine, Nanjing 210029, China
| | - Guowei Zhou
- Division of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine, Jiangsu Province Hospital of Chinese Medicine, Nanjing 210029, China
| | - Gui Yuan
- Division of Nephrology, Department of Medicine, University of Connecticut, School of Medicine, Farmington, CT 06030, USA
| | - Jinyi Sun
- Division of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine, Jiangsu Province Hospital of Chinese Medicine, Nanjing 210029, China
| | - Huibo Dai
- Division of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine, Jiangsu Province Hospital of Chinese Medicine, Nanjing 210029, China
| | - Enchao Zhou
- Division of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine, Jiangsu Province Hospital of Chinese Medicine, Nanjing 210029, China
| | - Weiming He
- Division of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine, Jiangsu Province Hospital of Chinese Medicine, Nanjing 210029, China
| | - Meixiao Sheng
- Division of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine, Jiangsu Province Hospital of Chinese Medicine, Nanjing 210029, China
| | - Kun Gao
- Division of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine, Jiangsu Province Hospital of Chinese Medicine, Nanjing 210029, China
| | - Min Zheng
- Division of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine, Jiangsu Province Hospital of Chinese Medicine, Nanjing 210029, China
| | - Wei Sun
- Division of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine, Jiangsu Province Hospital of Chinese Medicine, Nanjing 210029, China
| | - Dong Zhou
- Division of Nephrology, Department of Medicine, University of Connecticut, School of Medicine, Farmington, CT 06030, USA
- Correspondence: (D.Z.); (L.Z.)
| | - Lu Zhang
- Division of Nephrology, Affiliated Hospital of Nanjing University of Chinese Medicine, Jiangsu Province Hospital of Chinese Medicine, Nanjing 210029, China
- Correspondence: (D.Z.); (L.Z.)
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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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Ma B, Dai H, Dai X, Qian S, Sha X, Sun X. Cimigenol depresses acute myeloid leukemia cells protected by breaking bone marrow stromal cells via CXCR4/SDF‑1α. Exp Ther Med 2022; 25:80. [PMID: 36684661 PMCID: PMC9842948 DOI: 10.3892/etm.2022.11779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Accepted: 11/30/2022] [Indexed: 01/01/2023] Open
Abstract
The purpose of the present study was to evaluate cimigenol (Cim) treatment effects to cell proliferation by breaking bone marrow stromal cells (BMSCs) through C-X-C chemokine receptor type 4 (CXCR4)/stromal cell-derived factor-1α (SDF-1α) pathway. MV-4-11 and U937 cell lines were used. The present study was divided into two parts. First, the cell lines were divided into normal control (NC), BMSC (cells co-cultured with BMSCs), BMSC + DMSO, BMSC + Low (treated with 5 mg/ml Cim), BMSC + Middle (treated with 10 mg/ml Cim), BMSC + High (treated with 20 mg/ml Cim). In the second step, the cell lines were divided into NC, BMSC, BMSC + BL8040 (treated with BL8040 which inhibits CXCR4), BMSC + Cim and BMSC + Cim + BL8040. EdU positive cell numbers were measured by EdU assay and apoptosis rate by flow cytometry and TUNEL assay. Relative gene and protein expression was measured by reverse transcription-quantitative PCR and western blotting assay. BMSCs were able to protect proliferation of cancer cells and decreased cell apoptosis compared with the NC group (P<0.001, respectively). With Cim supplement, the cell proliferation was decreased with cell apoptosis increasing compared with NC group (P<0.001 respectively). However, the anti-tumor effects of Cim were not significantly different from the BL8040 treated groups (P<0.001, respectively). In conclusion Cim decreased acute myeloid leukemia cells protected by BMSCs through the CXCR4/SDF-1α pathway.
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Affiliation(s)
- Bangyun Ma
- Department of Hematology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210000, P.R. China
| | - Huibo Dai
- Department of Hematology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210000, P.R. China
| | - Xingbin Dai
- Department of Hematology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210000, P.R. China
| | - Shushu Qian
- Department of Hematology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210000, P.R. China
| | - Xiaocao Sha
- Department of Hematology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210000, P.R. China
| | - Xuemei Sun
- Department of Hematology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210000, P.R. China,Correspondence to: Dr Xuemei Sun, Department of Hematology, Affiliated Hospital of Nanjing University of Chinese Medicine, 155 Hanzhong Road, Qinhuai, Nanjing, Jiangsu 210000, P.R. 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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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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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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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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Dai H, Ma B, Dai X, Pang J, Wang J, Zhao Y, Wang M, Zhang H, Gao H, Qian S, Tian F, Sun X. Shengma Biejia Decoction Inhibits Cell Growth in Multiple Myeloma by Inducing Autophagy-Mediated Apoptosis Through the ERK/mTOR Pathway. Front Pharmacol 2021; 12:585286. [PMID: 33854428 PMCID: PMC8039907 DOI: 10.3389/fphar.2021.585286] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Accepted: 02/08/2021] [Indexed: 12/19/2022] Open
Abstract
Shengma Biejia decoction (SMBJD), a traditional Chinese formula recorded in the Golden Chamber, has been widely used for the treatment of malignant tumors. However, its underlying molecular targets and mechanisms are still unclear. This study showed that SMBJD inhibited tumor growth and stimulated hemogram recovery significantly in a multiple myeloma xenograft model. Western blot and immunohistochemistry assays of tumor tissues showed that SMBJD reduced the ratio of autophagy-related proteins LC3-II/LC3-I, while P62 and apoptosis-related proteins cleaved caspase-3/caspase-3 and Bax/Bcl-2 were upregulated. In vitro experiments demonstrated the time-dependent and dose-dependent cytotoxicity of SMBJD on multiple myeloma cell lines H929 and U266 through MTT assays. The LC3-II/LC3-I ratio and number of GFP-LC3 puncta showed that SMBJD inhibited the autophagy process of H929 and U266 cells. Moreover, both SMBJD and 3-methyladenine (3-MA) caused a decrease in LC3-II/LC3-I, and SMBJD could not reverse the upregulation of LC3-II/LC3-I caused by bafilomycin A1 (Baf-A1). Furthermore, the results of annexin V-FITC and propidium iodide double staining demonstrated that SMBJD treatment induced the apoptosis of H929 and U266 cells. These data prove that SMBJD inhibits autophagy and promotes apoptosis in H929 and U266 cells. The results also show that rapamycin could reduce the rate of SMBJD-induced apoptosis in H929 and U266 cells, at a concentration which had no effect on apoptosis but activated autophagy. In addition, analysis of the mechanism indicated that levels of phosphorylated ERK and phosphorylated mTOR were increased by treatment with SMBJD in vivo and in vitro. These results indicate that SMBJD, an old and effective herbal compound, could inhibit the viability of H929 and U266 cells and induce autophagy-mediated apoptosis through the ERK/mTOR pathway. Thus, it represents a potential therapy strategy for multiple myeloma.
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Affiliation(s)
- Huibo Dai
- Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Bangyun Ma
- Department of Hematology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Xingbin Dai
- Department of Hematology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Jie Pang
- Department of Hematology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Jingyu Wang
- Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Yandong Zhao
- Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Mengya Wang
- Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Hong Zhang
- Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Haoran Gao
- Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Shushu Qian
- Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Fang Tian
- Research Center of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Xuemei Sun
- Department of Hematology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
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Zhang H, Tian F, Jiang P, Qian S, Dai X, Ma B, Wang M, Dai H, Sha X, Yang Z, Zhu X, Sun X. Solasonine Suppresses the Proliferation of Acute Monocytic Leukemia Through the Activation of the AMPK/FOXO3A Axis. Front Oncol 2021; 10:614067. [PMID: 33585239 PMCID: PMC7879981 DOI: 10.3389/fonc.2020.614067] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Accepted: 12/15/2020] [Indexed: 11/28/2022] Open
Abstract
Solasonine, the main active ingredient of Solanum nigrum L., has been reported to exert extensive antitumor activity. However, the antitumor effects in acute monocytic leukemia and the exact mechanisms involved are unknown. In this study, we investigated the role of solasonine on inhibiting the progression of acute monocytic leukemia. Our findings showed that solasonine inhibited the proliferation of acute monocytic leukemic cell lines (THP-1 and MV4-11) in vitro. Solasonine promoted apoptosis and induced cell cycle arrest in the G2/M phase. Analysis of RNA-seq data suggested that solasonine correlated with increased expression of genes in the AMPK/FOXO3A pathway. Inhibition of AMPK with compound C followed by treatment with solasonine showed that solasonine reduced apoptosis, caused less cell cycle arrest, and inactivated the AMPK/FOXO3A axis in THP-1 and MV4-11 cells. Solasonine also inhibited tumor growth by the activation of the AMPK/FOXO3A axis. In conclusion, solasonine inhibited the progress of acute monocytic leukemia in vitro and in vivo and triggered the apoptosis and cell cycle arrest in the G2/M phase by upregulating the AMPK/FOXO3A pathway.
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Affiliation(s)
- Hong Zhang
- Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Fang Tian
- Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Pengjun Jiang
- Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Shushu Qian
- Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Xingbin Dai
- Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Bangyun Ma
- Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Mengya Wang
- Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Huibo Dai
- Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Xiaocao Sha
- Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Zhongfa Yang
- Institute of Clinical Medicine, Weifang Medical University, Weifang, China
| | - Xuejun Zhu
- Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Xuemei Sun
- Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
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Wang M, Ma B, Dai X, Zhang H, Dai H, Wang J, Liu L, Sun X. Anti-angiogenic activity of ShengMaBieJia decoction in vitro and in acute myeloid leukaemia tumour-bearing mouse models. Pharm Biol 2020; 58:454-464. [PMID: 32432951 PMCID: PMC7301716 DOI: 10.1080/13880209.2020.1764059] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
Context: ShengMaBieJia decoction (SMBJD) is used to treat solid and hematological tumours; however, its anti-angiogenesis activity remains unclear.Objective: This study verified the anti-angiogenic effects of SMBJD in vitro and in tumour-bearing acute myeloid leukaemia (AML) mouse models.Materials and methods: In vivo, the chicken chorioallantoic membrane (CAM) and BALB/c null mouse xenograft models were treated with SMBJD (0, 2, 4, and 8 mg/mL) for 48 h and for 2 weeks, respectively. Anti-angiogenic activity was assessed according to microvessel density (MVD) and immunohistochemistry (IHC) targeting CD31 and VEGFR2. In vitro, proliferation viability, migratory activity and tube formation were measured. Western blots and polymerase chain reaction (PCR) assays were used to examine the levels of PI3K, Akt, and VEGF.Results: HPLC analyses revealed the active constituents of SMBJD such as liquiritin, cimifugin, ferulic, isoferulic, and glycyrrhizic acids. In vitro, SMBJD treatment decreased cellular migration, chemotaxis, and tube formation at non-cytotoxic concentrations (2, 4, and 8 mg/mL) in a time- and dose-dependent manner. The dosage of less than IC20 is considered safe. In vivo, CAM models exhibited a decrease in MVD, and the tissues of xenografted mice possessed reduced CD31 and VEGFR2 expression. Conditioned media (CM) from AML cells (HL60 and NB4 cells) treated with non-cytotoxic doses of SMBJD inhibited chemotactic migration and tube formation in vitro. Both CM (HL60) and CM (NB4) exhibited downregulated expression of PI3K, Akt, and VEGF.Discussion and conclusions: SMBJD inhibited angiogenesis in AML through the PI3K/AKT pathway, which might be combined with targeted therapy to provide more effective treatment.
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Affiliation(s)
- Mengya Wang
- Department of Hematology, No. 1 Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, China
| | - Bangyun Ma
- Department of Hematology, Jiangsu Province Hospital of TCM, The Affiliated Hospital of Nanjing University of TCM, Nanjing, China
| | - Xingbin Dai
- Department of Hematology, Jiangsu Province Hospital of TCM, The Affiliated Hospital of Nanjing University of TCM, Nanjing, China
| | - Hong Zhang
- Department of Hematology, No. 1 Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, China
| | - Huibo Dai
- Department of Hematology, No. 1 Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, China
| | - Jingyu Wang
- Department of Hematology, No. 1 Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, China
| | - Li Liu
- The Central Laboratory of Jiangsu Province Hospital of TCM, The Affiliated Hospital of Nanjing University of TCM, Nanjing, China
| | - Xuemei Sun
- Department of Hematology, Jiangsu Province Hospital of TCM, The Affiliated Hospital of Nanjing University of TCM, Nanjing, China
- CONTACT Xuemei Sun Department of Hematology, Jiangsu Province Hospital of TCM, The Affiliated Hospital of Nanjing University of TCM, Nanjing, China
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Qian S, Zhang H, Dai H, Ma B, Tian F, Jiang P, Gao H, Sha X, Sun X. Is sCD163 a Clinical Significant Prognostic Value in Cancers? A Systematic Review and Meta-Analysis. Front Oncol 2020; 10:585297. [PMID: 33240816 PMCID: PMC7683770 DOI: 10.3389/fonc.2020.585297] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Accepted: 10/07/2020] [Indexed: 12/16/2022] Open
Abstract
Background Tumor associated macrophages (TAMs), a kind of inflammatory cells in the tumor microenvironment, are crucial for the occurrence and development of various tumors which increased the expression of CD163. Nevertheless, not much has been established regarding soluble CD163 and its connection to tumor diagnosis. In this case, a meta-analysis was conducted to determine the tumor diagnostic importance of serum sCD163. Methods In order to assess the correlation between sCD163 and the overall survival (OS) or progression-free survival (PFS) among tumor patients, a systematic perusal of literature published until June 2020 was conducted. Relevant data were primarily obtained from papers that have the following qualifications: 1) a confidence interval (CI) of 95%; 2) a report of the hazard ratios; and, 3) pooled by means of the Mantel-Haenszel random-effect representation. Results For the final meta-analysis, eight papers comprised of 1,236 cases were involved. Through pooled investigation, it was determined that a correlation exists between elevated serum sCD163 and worse OS (HR = 2.24, 95% CI: 1.50-3.35, P < 0.001) and PFS (HR = 3.90, 95% CI: 2.33-6.52, P < 0.001) among tumor cases. Subgroup analysis stratified by medium age at diagnosis demonstrated that patients over 60 years old with high sCD163 had worse OS (HR 2.28, 95% CI: 1.58-3.29, P < 0.001) than under 60 (HR 1.43, 95% CI: 1.15-1.77, P = 0.001). Subgroup analysis revealed that analysis method and medium age at diagnosis were the potential source of heterogeneity. Conclusions Overall, diagnosis of tumor cases can be adversely determined through substantial sCD163 levels. Consequently, it is encouraged that extensive researches regarding the rates of cancer survival be accomplished.
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Affiliation(s)
- Shushu Qian
- Department of Hematology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Hong Zhang
- Department of Hematology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Huibo Dai
- Department of Hematology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Bangyun Ma
- Department of Hematology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Fang Tian
- Department of Center Laboratory, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - PengJun Jiang
- Department of Hematology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Haoran Gao
- Department of Hematology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Xiaocao Sha
- Department of Hematology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Xuemei Sun
- Department of Hematology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
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23
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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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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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26
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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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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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43
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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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44
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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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45
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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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47
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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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48
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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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50
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Tu Q, Hao J, Zhou X, Yan L, Dai H, Sun B, Yang D, An S, Lv L, Jiao B, Chen C, Lai R, Shi P, Zhao X. CDKN2B deletion is essential for pancreatic cancer development instead of unmeaningful co-deletion due to juxtaposition to CDKN2A. Oncogene 2017; 37:128-138. [PMID: 28892048 PMCID: PMC5759028 DOI: 10.1038/onc.2017.316] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2017] [Revised: 06/07/2017] [Accepted: 07/31/2017] [Indexed: 12/28/2022]
Abstract
Pancreatic cancer is among the deadliest malignancies; however, the genetic events that lead to pancreatic carcinogenesis in adults remain unclear. In vivo models in which these genetic alterations occur in adult animals may more accurately reflect the features of human cancer. In this study, we demonstrate that inactivation of Cdkn2b (p15ink4b) is necessary for induction of pancreatic cancer by oncogenic KRASG12D expression and inactivation of Tp53 and Cdkn2a in adult mouse pancreatic ductal cells (P60 or older). KRASG12D overexpression in these cells activated transforming growth factor-β signaling and expression of CDKN2B, which, along with CDKN2A, led to cellular senescence and protected cells from KRAS-mediated transformation via inhibition of retinoblastoma phosphorylation. These results show a critical role of CDKN2B inactivation in pancreatic carcinogenesis, and provide a useful adult animal model by genetic engineering via lentiviral delivery.
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Affiliation(s)
- Q Tu
- Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences/Key Laboratory of Bioactive Peptides of Yunnan Province, Kunming Institute of Zoology, Kunming, China.,Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, China
| | - J Hao
- State Key Laboratory of Genetic Resources and Evolution, Laboratory of Evolutionary and Functional Genomics, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China
| | - X Zhou
- Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences/Key Laboratory of Bioactive Peptides of Yunnan Province, Kunming Institute of Zoology, Kunming, China.,Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, China
| | - L Yan
- Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences/Key Laboratory of Bioactive Peptides of Yunnan Province, Kunming Institute of Zoology, Kunming, China.,Kunming Primate Research Center, Chinese Academy of Sciences, Kunming, China
| | - H Dai
- Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences/Key Laboratory of Bioactive Peptides of Yunnan Province, Kunming Institute of Zoology, Kunming, China
| | - B Sun
- Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences/Key Laboratory of Bioactive Peptides of Yunnan Province, Kunming Institute of Zoology, Kunming, China.,Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, China
| | - D Yang
- Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences/Key Laboratory of Bioactive Peptides of Yunnan Province, Kunming Institute of Zoology, Kunming, China.,Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, China
| | - S An
- Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences/Key Laboratory of Bioactive Peptides of Yunnan Province, Kunming Institute of Zoology, Kunming, China.,Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, China
| | - L Lv
- Kunming Primate Research Center, Chinese Academy of Sciences, Kunming, China
| | - B Jiao
- State Key Laboratory of Genetic Resources and Evolution, Laboratory of Evolutionary and Functional Genomics, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China
| | - C Chen
- Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences/Key Laboratory of Bioactive Peptides of Yunnan Province, Kunming Institute of Zoology, Kunming, China
| | - R Lai
- Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences/Key Laboratory of Bioactive Peptides of Yunnan Province, Kunming Institute of Zoology, Kunming, China
| | - P Shi
- State Key Laboratory of Genetic Resources and Evolution, Laboratory of Evolutionary and Functional Genomics, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China
| | - X Zhao
- Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences/Key Laboratory of Bioactive Peptides of Yunnan Province, Kunming Institute of Zoology, Kunming, China.,Kunming Primate Research Center, Chinese Academy of Sciences, Kunming, China.,KIZ-SU Joint Laboratory of Animal Model and Drug Development, College of Pharmaceutical Sciences, Soochow University, Suzhou, China
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