201
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Cheng R, Xu L, Gong J, Yu F, Lv Y, Yuan H, Hu F. Complement activation in wasp venom-induced acute kidney injury. Ren Fail 2024; 46:2344658. [PMID: 38644359 PMCID: PMC11034453 DOI: 10.1080/0886022x.2024.2344658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2024] [Accepted: 04/15/2024] [Indexed: 04/23/2024] Open
Abstract
Previous studies have highlighted the significant role of complement activation in kidney injuries induced by rhabdomyolysis, intravascular hemolysis, sepsis, and ischemia-reperfusion. Nevertheless, the specific role and mechanism of complement activation in acute kidney injury (AKI) caused by wasp venom remain unclear. The aim of this study was to elucidate the specific complement pathway activated and investigate complement activation in AKI induced by wasp venom. In this study, a complement-depleted mouse model was used to investigate the role of complement in wasp venom-induced AKI. Mice were randomly categorized into control, cobra venom factor (CVF), AKI, and CVF + AKI groups. Compared to the AKI group, the CVF + AKI group showed improved pathological changes in kidneys and reduced blood urea nitrogen (BUN) levels. The expression levels of renal complement 3 (C3), complement 5 (C5), complement 1q (C1q), factor B (FB), mannose-binding lectin (MBL), and C5b-9 in AKI group were upregulated compared with the control group. Conversely, the renal tissue expression levels of C3, C5, C1q, FB, MBL, and C5b-9 were decreased in the CVF + AKI group compared to those in the AKI group. Complement activation occurs through all three pathways in AKI induced by wasp venom. Furthermore, complement depletion by CVF attenuates wasp venom-induced nephrotoxicity, suggesting that complement activation plays a primary role in the pathogenesis of wasp venom-induced AKI.
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Affiliation(s)
- Rui Cheng
- School of Medicine, Wuhan University of Science and Technology, Wuhan, China
- Department of Nephrology, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang, China
| | - Liang Xu
- Department of Nephrology, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang, China
| | - Jianhua Gong
- Department of Nephrology, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang, China
| | - Fanglin Yu
- Department of Nephrology, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang, China
| | - Ying Lv
- Department of Nephrology, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang, China
| | - Hai Yuan
- Department of Nephrology, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang, China
| | - Fengqi Hu
- Department of Nephrology, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang, China
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202
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Marino L, Ni B, Farrar JS, Lownik JC, Pearce JV, Martin RK, Celi FS. Adipose tissue-selective ablation of ADAM10 results in divergent metabolic phenotypes following long-term dietary manipulation. Adipocyte 2024; 13:2339418. [PMID: 38706095 PMCID: PMC11073419 DOI: 10.1080/21623945.2024.2339418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Accepted: 04/02/2024] [Indexed: 05/07/2024] Open
Abstract
A Disintegrin And Metalloproteinase domain-containing protein 10 (ADAM10), is involved in several metabolic and inflammatory pathways. We speculated that ADAM10 plays a modulatory role in adipose tissue inflammation and metabolism. To this end, we studied adipose tissue-specific ADAM10 knock-out mice (aKO). While young, regular chow diet-fed aKO mice showed increased insulin sensitivity, following prolonged (33 weeks) high-fat diet (HFD) exposure, aKO mice developed obesity and insulin resistance. Compared to controls, aKO mice showed less inflammatory adipokine profile despite the significant increase in adiposity. In brown adipose tissue, aKO mice on HFD had changes in CD8+ T cell populations indicating a lesser inflammatory pattern. Following HFD, both aKO and control littermates demonstrated decreased adipose tissue pro-inflammatory macrophages, and increased anti-inflammatory accumulation, without differences between the genotypes. Collectively, our observations indicate that selective deletion of ADAM10 in adipocytes results in a mitigated inflammatory response, leading to increased insulin sensitivity in young mice fed with regular diet. This state of insulin sensitivity, following prolonged HFD, facilitates energy storage resulting in increased fat accumulation which ultimately leads to the development of a phenotype of obesity and insulin resistance. In conclusion, the data indicate that ADAM10 has a modulatory effect of inflammation and whole-body energy metabolism.
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Affiliation(s)
- Luigi Marino
- Department of Medicine, UConn Health, University of Connecticut, Farmington, CT, USA
| | - Bin Ni
- Alliance Pharma, Philadelphia, PA, USA
| | - Jared S. Farrar
- Center for Clinical and Translational Research, Virginia Commonwealth University School of Medicine, Richmond, VA, USA
| | - Joseph C. Lownik
- Center for Clinical and Translational Research, Virginia Commonwealth University School of Medicine, Richmond, VA, USA
| | - Janina V. Pearce
- Center for Clinical and Translational Research, Virginia Commonwealth University School of Medicine, Richmond, VA, USA
| | - Rebecca K. Martin
- Department of Microbiology and Immunology, Virginia Commonwealth University School of Medicine, Richmond, VA, USA
| | - Francesco S. Celi
- Department of Medicine, UConn Health, University of Connecticut, Farmington, CT, USA
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203
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Lyu J, Zhang H, Wang C, Pan M. New insight in treating autoimmune diseases by targeting autophagy. Autoimmunity 2024; 57:2351872. [PMID: 38739691 DOI: 10.1080/08916934.2024.2351872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Accepted: 04/28/2024] [Indexed: 05/16/2024]
Abstract
Autophagy is a highly conserved biological process in eukaryotes, which degrades cellular misfolded proteins, damaged organelles and invasive pathogens in the lysosome-dependent manner. Autoimmune diseases caused by genetic elements, environments and aberrant immune responses severely impact patients' living quality and even threaten life. Recently, numerous studies have reported autophagy can regulate immune responses, and play an important role in autoimmune diseases. In this review, we summarised the features of autophagy and autophagy-related genes, enumerated some autophagy-related genes involved in autoimmune diseases, and further overviewed how to treat autoimmune diseases through targeting autophagy. Finally, we outlooked the prospect of relieving and curing autoimmune diseases by targeting autophagy pathway.
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Affiliation(s)
- Jiao Lyu
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, China
| | - Hongqian Zhang
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, China
| | - Chaoyang Wang
- The Key Medical Laboratory for Chemical Poison Detection of Henan Province, The Third People's Hospital of Henan Province, Zhengzhou, China
- Department of Biomedical Science, City University of Hong Kong, Hong Kong, China
| | - Mingyu Pan
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, China
- Department of Biomedical Science, City University of Hong Kong, Hong Kong, China
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204
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Du PX, Chang SS, Ho TS, Shih HC, Tsai PS, Syu GD. Humoral responses to multiple SARS-CoV-2 variants after two doses of vaccine in kidney transplant patients. Virulence 2024; 15:2351266. [PMID: 38717195 PMCID: PMC11085947 DOI: 10.1080/21505594.2024.2351266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Accepted: 04/27/2024] [Indexed: 05/12/2024] Open
Abstract
Background: The COVID-19 pandemic has led to millions of fatalities globally. Kidney transplant (KT) patients, given their comorbidities and under immunosuppressant drugs, are identified as a high-risk group. Though vaccination remains pivotal for pandemic control, some studies indicate that KT exhibits diminished immune reactions to SARS-CoV-2 vaccines. Therefore, evaluating the vaccine responses in KT, especially the humoral responses against emergent variants is crucial.Methods: We developed a multiplexed SARS-CoV-2 variant protein microarray, incorporating the extracellular domain (ECD) and the receptor binding domain (RBD) of the spike proteins from the variants. This was employed to investigate the collective humoral responses after administering two doses of mRNA-1273 and AZD1222 vaccines in KT under immunosuppressive drugs and in healthy controls.Results: After two doses of either mRNA-1273 or AZD1222, the KT generally showed lower surrogate neutralizing and total antibodies against spike ECD in multiple variants compared to healthy controls. Although two doses of mRNA-1273 induced 1.5-2 fold more surrogate neutralizing and total antibodies than AZD1222 in healthy controls, the KT subjects with two doses of mRNA-1273 generally exhibited higher surrogate neutralizing but similar total antibodies against spike ECD in multiple variants. There were moderate to high correlations between the surrogate neutralizing and total antibodies against spike ECDs.Conclusion: This study offers pivotal insights into the relative vulnerability of KT concerning humoral immunity and the evolving mutations of SARS-CoV-2. Such findings are useful for evaluating vaccine responses and recommending vaccine episodes for KT.
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Affiliation(s)
- Pin-Xian Du
- Department of Biotechnology and Bioindustry Sciences, National Cheng Kung University, Tainan, Taiwan
| | - Shen-Shin Chang
- Division of Transplantation, Department of Surgery, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Tzong-Shiann Ho
- Center of Infectious Disease and Signaling Research, National Cheng Kung University, Tainan, Taiwan
- Department of Pediatrics, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Department of Pediatrics, Tainan Hospital, Ministry of Health and Welfare, Yunlin, Taiwan
- Department of Pediatrics, National Cheng Kung University Hospital Dou-Liou Branch, College of Medicine, National Cheng Kung University, Yunlin, Taiwan
| | - Hsi-Chang Shih
- Department of Pharmacology and Molecular Sciences, Johns
Hopkins University School of Medicine, Baltimore, USA
| | - Pei-Shan Tsai
- Department of Biotechnology and Bioindustry Sciences, National Cheng Kung University, Tainan, Taiwan
| | - Guan-Da Syu
- Department of Biotechnology and Bioindustry Sciences, National Cheng Kung University, Tainan, Taiwan
- International Center for Wound Repair and Regeneration, National Cheng Kung University, Tainan, Taiwan
- Medical Device Innovation Center, National Cheng Kung University, Tainan, Taiwan
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205
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Al-Aqtash R, Collier DM. Ionotropic purinergic receptor 7 (P2X7) channel structure and pharmacology provides insight regarding non-nucleotide agonism. Channels (Austin) 2024; 18:2355150. [PMID: 38762911 PMCID: PMC11110710 DOI: 10.1080/19336950.2024.2355150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Accepted: 05/10/2024] [Indexed: 05/21/2024] Open
Abstract
P2X7 is a member of the Ionotropic Purinergic Receptor (P2X) family. The P2X family of receptors is composed of seven (P2X1-7), ligand-gated, nonselective cation channels. Changes in P2X expression have been reported in multiple disease models. P2Xs have large complex extracellular domains that function as receptors for a variety of ligands, including endogenous and synthetic agonists and antagonists. ATP is the canonical agonist. ATP affinity ranges from nanomolar to micromolar for most P2XRs, but P2X7 has uniquely poor ATP affinity. In many physiological settings, it may be difficult to achieve the millimolar extracellular ATP concentrations needed for P2X7 channel activation; however, channel function is implicated in pain sensation, immune cell function, cardiovascular disease, cancer, and osteoporosis. Multiple high-resolution P2X7 structures have been solved in apo-, ATP-, and antagonist-bound states. P2X7 structural data reveal distinct allosteric and orthosteric antagonist-binding sites. Both allosteric and orthosteric P2X7 antagonists are well documented to inhibit ATP-evoked channel current. However, a growing body of evidence supports P2X7 activation by non-nucleotide agonists, including extracellular histone proteins and human cathelicidin-derived peptides (LL-37). Interestingly, P2X7 non-nucleotide agonism is not inhibited by allosteric antagonists, but is inhibited by orthosteric antagonists. Herein, we review P2X7 function with a focus on the efficacy of available pharmacology on P2X7 channel current activation by non-nucleotide agonists in effort to understand agonist/antagonist efficacy, and consider the impact of these data on the current understanding of P2X7 in physiology and disease given these limitations of P2X7-selective antagonists and incomplete knockout mouse models.
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Affiliation(s)
- Rua’a Al-Aqtash
- Department of Pharmaceutical Sciences, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Daniel M. Collier
- Department of Pharmaceutical Sciences, University of Tennessee Health Science Center, Memphis, TN, USA
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206
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Chen L, Cheng Y, Zhang G, Zhou Y, Zhang Z, Chen Q, Feng Y. WGBS of embryonic gonads revealed that long non-coding RNAs in the MHM region might be involved in cell autonomous sex identity and female gonadal development in chickens. Epigenetics 2024; 19:2283657. [PMID: 38037805 PMCID: PMC10761181 DOI: 10.1080/15592294.2023.2283657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Accepted: 10/01/2023] [Indexed: 12/02/2023] Open
Abstract
DNA methylation plays a key role in sex determination and differentiation in vertebrates. However, there are few studies on DNA methylation involved in chicken gonad development, and most focused on male hypermethylated regions (MHM). It is unclear whether there are specific differentially methylated regions (DMRs) in chicken embryonic gonads regulating sex determination and differentiation. Here, the DNA methylation maps showed that the difference of DNA methylation level between sexes was much higher at embryonic day 10 (E10) than that at embryonic day 6 (E6), and the significant differentially methylated regions at both stages were mainly distributed on the Z chromosome, including MHM1 and MHM2. The results of bisulphite sequencing PCR (BSP) and qRT-PCR showed hypomethylation of female MHM and upregulation of long non-coding RNAs (lncRNAs) whose promoter in the MHM region was consistent with the sequencing results, and similar results were in brain and muscle. In female sex-reversed gonads, the methylation pattern of MHM remained unchanged, and the expression levels of the three candidate lncRNAs were significantly decreased compared with those in females, but were significantly increased compared to males. The fluorescence in situ hybridization (FISH) results also showed that these lncRNAs were highly expressed in female embryonic gonads. The results of methyltransferase inhibitor and dual-luciferase reporter assay suggest that lncRNA expression may be regulated by DNA methylation within their promoters. Therefore, we speculated that MHM may be involved in cell-autonomous sex identity in chickens, and that lncRNAs regulated by MHM may be involved in female sexual differentiation.
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Affiliation(s)
- Ligen Chen
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, College of Animal Science and Technology and College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, People’s Republic of China
| | - Yu Cheng
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, College of Animal Science and Technology and College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, People’s Republic of China
| | - Guixin Zhang
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, College of Animal Science and Technology and College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, People’s Republic of China
| | - Yang Zhou
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, College of Animal Science and Technology and College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, People’s Republic of China
| | - Zhen Zhang
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, College of Animal Science and Technology and College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, People’s Republic of China
| | - Qianhong Chen
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, College of Animal Science and Technology and College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, People’s Republic of China
| | - Yanping Feng
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, College of Animal Science and Technology and College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, People’s Republic of China
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207
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Cui L, Zhang L, Li J, Li Y, Hao X, Xu Y, Li C. Correlation between ultrafiltration rate and hemoglobin level and erythropoietin response in hemodialysis patients. Ren Fail 2024; 46:2296609. [PMID: 38178573 PMCID: PMC10773628 DOI: 10.1080/0886022x.2023.2296609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Accepted: 12/13/2023] [Indexed: 01/06/2024] Open
Abstract
This study aimed to investigate the correlation between ultrafiltration rate (UFR) and hemoglobin levels and erythropoietin (EPO) response in patients receiving maintenance hemodialysis (MHD). 225 MHD patients were divided into three groups according to the UFR: < 10 ml/h/kg, 10-13 ml/h/kg, and >13 ml/h/kg. Clinical parameters and prognosis were compared among the groups. Multiple linear correlation and regression analyses were conducted. SPSS 26.0 (IBM, Chicago, IL, USA) was used to analyze all statistics. The UFR < 10 ml/h/kg group was older than the other groups (p < 0.05). The UFR > 13 ml/h/kg group had the highest SpKt/V (p < 0.05), monthly EPO dose/weight (p < 0.001), and EPO resistance index (p < 0.001), as well as the lowest dry weight (p < 0.001), BMI (p < 0.001), hemoglobin (p < 0.001), hematocrit (p < 0.05), and red blood cell count (p < 0.05). Multiple linear regression analysis showed that sex, dry weight, UFR, calcium, phosphorus, albumin, and C-reactive protein levels were associated with hemoglobin levels. Multivariate logistic regression analysis revealed that a higher UFR was associated with lower hemoglobin levels, while male sex and higher levels of calcium and albumin were associated with higher hemoglobin levels. High UFR is associated with more severe anemia and EPO resistance in MHD. This study provides new insights into anemia management in patients undergoing hemodialysis.
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Affiliation(s)
- Li Cui
- Department of Nephrology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Lili Zhang
- Department of Nutrition, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Jing Li
- Department of Nutrition, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Yuan Li
- Department of Nephrology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Xiaolei Hao
- Department of Nephrology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Yan Xu
- Department of Nephrology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Chunmei Li
- Department of Nephrology, The Affiliated Hospital of Qingdao University, Qingdao, China
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208
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Chen L, Zeng Z, Luo H, Xiao H, Zeng Y. The effects of CypA on apoptosis: potential target for the treatment of diseases. Appl Microbiol Biotechnol 2024; 108:28. [PMID: 38159118 DOI: 10.1007/s00253-023-12860-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 10/20/2023] [Accepted: 10/25/2023] [Indexed: 01/03/2024]
Abstract
Cyclophilin A (CypA), the first member of cyclophilins, is distributed extensively in eukaryotic and prokaryotic cells, primarily localized in the cytoplasm. In addition to acting as an intracellular receptor for cyclosporin A (CSA), CypA plays a crucial role in diseases such as aging and tumorigenesis. Apoptosis, a form of programmed cell death, is able to balance the rate of cell viability and death. In this review, we focus on the effects of CypA on apoptosis and the relationship between specific mechanisms of CypA promoting or inhibiting apoptosis and diseases, including tumorigenesis, cardiovascular diseases, organ injury, and microbial infections. Notably, the process of CypA promoting or inhibiting apoptosis is closely related to disease development. Finally, future prospects for the association of CypA and apoptosis are discussed, and a comprehensive understanding of the effects of CypA on apoptosis in relation to diseases is expected to provide new insights into the design of CypA as a therapeutic target for diseases. KEY POINTS: • Understand the effect of CypA on apoptosis. • CypA affects apoptosis through specific pathways. • The effect of CypA on apoptosis is associated with a variety of disease processes.
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Affiliation(s)
- Li Chen
- Institute of Pathogenic Biology, Basic Medicine School, Hengyang Medical College, University of South China, Hunan Provincial Key Laboratory for Special Pathogens Prevention and Control, Hengyang City, Hunan Province, 421001, People's Republic of China
| | - Zhuo Zeng
- Institute of Pathogenic Biology, Basic Medicine School, Hengyang Medical College, University of South China, Hunan Provincial Key Laboratory for Special Pathogens Prevention and Control, Hengyang City, Hunan Province, 421001, People's Republic of China
| | - Haodang Luo
- Institute of Pathogenic Biology, Basic Medicine School, Hengyang Medical College, University of South China, Hunan Provincial Key Laboratory for Special Pathogens Prevention and Control, Hengyang City, Hunan Province, 421001, People's Republic of China
| | - Hua Xiao
- Institute of Pathogenic Biology, Basic Medicine School, Hengyang Medical College, University of South China, Hunan Provincial Key Laboratory for Special Pathogens Prevention and Control, Hengyang City, Hunan Province, 421001, People's Republic of China
| | - Yanhua Zeng
- Institute of Pathogenic Biology, Basic Medicine School, Hengyang Medical College, University of South China, Hunan Provincial Key Laboratory for Special Pathogens Prevention and Control, Hengyang City, Hunan Province, 421001, People's Republic of China.
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209
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Caron AGM, Bloem M, El Khattabi H, de Waal AC, van Huizen AM, Denswil NP, Gerbens LAA, Spuls PI. The wide variety of methotrexate dosing regimens for the treatment of atopic dermatitis: a systematic review. J DERMATOL TREAT 2024; 35:2292962. [PMID: 38124505 DOI: 10.1080/09546634.2023.2292962] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Accepted: 12/04/2023] [Indexed: 12/23/2023]
Abstract
Background:Methotrexate is an off-label therapy for atopic dermatitis. A lack of consensus on dosing regimens poses a risk of underdosing and ineffective treatment or overdosing and increased risk of side effects. This systematic review summarizes the available evidence on dosing regimens.Materials and methods:A literature search was conducted, screening all randomized controlled trials (RCTs) and guidelines published up to 6 July 2023, in the MEDLINE, Embase, and Cochrane Library databases.Results:Five RCTs and 21 guidelines were included. RCTs compared methotrexate with other treatments rather than different methotrexate dosing regimens. The start and maintenance doses in RCTs varied between 7.5-15 mg/week and 14.5-25 mg/week, respectively. Despite varied dosing, all RCTs demonstrated efficacy in improving atopic dermatitis signs and symptoms. Guidelines exhibited substantial heterogeneity but predominantly proposed starting doses of 5-15 mg/week for adults and 10-15 mg/m2/week for children. Maintenance doses suggested were 7.5-25 mg/week for adults and 0.2-0.7 mg/kg/week for children. One guideline suggested a test dose and nearly half advised folic acid supplementation.Conclusion:This systematic review highlights the lack of methotrexate dosing guidelines for atopic dermatitis. It identifies commonly recommended and utilized dosing regimens, serving as a valuable resource for clinicians prescribing methotrexate off-label and providing input for an upcoming consensus study.
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Affiliation(s)
- Anouk G M Caron
- Dermatology, Amsterdam UMC location University of Amsterdam, Amsterdam, the Netherlands
- Amsterdam Public Health, Infection and Immunity, University of Amsterdam, Amsterdam, the Netherlands
| | - Manja Bloem
- Surgical Oncology, Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Hajar El Khattabi
- Dermatology, Amsterdam UMC location University of Amsterdam, Amsterdam, the Netherlands
| | - Ayla C de Waal
- Dermatology, Amsterdam UMC location University of Amsterdam, Amsterdam, the Netherlands
| | - Astrid M van Huizen
- Dermatology, Amsterdam UMC location University of Amsterdam, Amsterdam, the Netherlands
- Amsterdam Public Health, Infection and Immunity, University of Amsterdam, Amsterdam, the Netherlands
| | - Nerissa P Denswil
- Medical Library, Amsterdam UMC location University of Amsterdam, Amsterdam, the Netherlands
| | - Louise A A Gerbens
- Dermatology, Amsterdam UMC location University of Amsterdam, Amsterdam, the Netherlands
- Amsterdam Public Health, Infection and Immunity, University of Amsterdam, Amsterdam, the Netherlands
| | - Phyllis I Spuls
- Dermatology, Amsterdam UMC location University of Amsterdam, Amsterdam, the Netherlands
- Amsterdam Public Health, Infection and Immunity, University of Amsterdam, Amsterdam, the Netherlands
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210
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Blazeski A, Floryan MA, Zhang Y, Fajardo Ramírez OR, Meibalan E, Ortiz-Urbina J, Angelidakis E, Shelton SE, Kamm RD, García-Cardeña G. Engineering microvascular networks using a KLF2 reporter to probe flow-dependent endothelial cell function. Biomaterials 2024; 311:122686. [PMID: 38971122 DOI: 10.1016/j.biomaterials.2024.122686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 06/12/2024] [Accepted: 06/23/2024] [Indexed: 07/08/2024]
Abstract
Shear stress generated by the flow of blood in the vasculature is a potent regulator of endothelial cell function and vascular structure. While vascular responses to flow are complex and context-dependent, endothelial cell signaling in response to shear stress induced by laminar flows is coordinated by the transcription factor KLF2. The flow-dependent expression of KLF2 in endothelial cells is associated with a quiescent, anti-inflammatory phenotype and has been well characterized in two-dimensional systems but has not been studied in three-dimensional in vitro systems. Here we develop engineered microvascular networks (MVNs) that incorporate a KLF2-based endothelial cell flow sensor within a microfluidic chip, apply continuous flow using an attached microfluidic pump, and study the effects of this flow on vascular structure and function. We found that application of flow to MVNs for 48 h resulted in increased expression of the KLF2 reporter, larger vessel diameters, and decreased vascular branching and resistance. Notably, vessel diameters after the application of flow were independent of initial MVN morphologies. Finally, we found that MVNs exposed to flow have improved vascular barrier function and decreased platelet adhesion. MVNs with KLF2-based flow sensors represent a novel, powerful tool for evaluating the structural and functional effects of flow on engineered three-dimensional vascular systems.
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Affiliation(s)
- Adriana Blazeski
- Center for Excellence in Vascular Biology, Department of Pathology, Brigham and Women's Hospital, USA and Harvard Medical School, Boston, MA, USA; Cardiovascular Disease Initiative, Broad Institute of MIT and Harvard, Cambridge, MA, USA; Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Marie A Floryan
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Yuzhi Zhang
- Center for Excellence in Vascular Biology, Department of Pathology, Brigham and Women's Hospital, USA and Harvard Medical School, Boston, MA, USA
| | - Oscar R Fajardo Ramírez
- Center for Excellence in Vascular Biology, Department of Pathology, Brigham and Women's Hospital, USA and Harvard Medical School, Boston, MA, USA
| | - Elamaran Meibalan
- Center for Excellence in Vascular Biology, Department of Pathology, Brigham and Women's Hospital, USA and Harvard Medical School, Boston, MA, USA
| | - Jesús Ortiz-Urbina
- Center for Excellence in Vascular Biology, Department of Pathology, Brigham and Women's Hospital, USA and Harvard Medical School, Boston, MA, USA
| | - Emmanouil Angelidakis
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Sarah E Shelton
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA; Department of Medical Oncology, Dana Farber Cancer Institute, Boston, MA, USA
| | - Roger D Kamm
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA; Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Guillermo García-Cardeña
- Center for Excellence in Vascular Biology, Department of Pathology, Brigham and Women's Hospital, USA and Harvard Medical School, Boston, MA, USA; Cardiovascular Disease Initiative, Broad Institute of MIT and Harvard, Cambridge, MA, USA.
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211
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Alabeedi FMA. Alteration of reactive oxygen species master transcription factor Nrf2 in keratinocytes exposed to monoclonal pathogenic antibody AK23 against desmoglein-3 in pemphigus vulgaris. Autoimmunity 2024; 57:2377138. [PMID: 39037929 DOI: 10.1080/08916934.2024.2377138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2024] [Accepted: 07/02/2024] [Indexed: 07/24/2024]
Abstract
Keratinocytes in mucosal and skin tissues maintain tissue integrity via desmosomes and desmoglein-3 (Dsg3). Pemphigus Vulgaris (PV) is a life-threatening autoimmune blistering disease characterized by autoantibodies against Dsg3, disrupting desmosomes. Nuclear factor erythroid 2-related factor 2 (Nrf2) regulates oxidative stress responses crucial for skin tissue protection. Although the pathogenesis of PV is known, the detailed molecular events remain unclear. This study investigates changes in Nrf2 expression in keratinocytes following pathogenic anti-Dsg3 antibody AK23 exposure, using dose- and time-dependent studies employing immunofluorescence analysis. N/TERT keratinocytes were cultured in keratinocytes serum-free medium and treated with AK23 at varying doses (5 µg/mL,40µg/mL,75µg/mL) and durations (2, 6, 24 h). Immunofluorescence staining was performed to assess the expression of Nrf2 and Dsg3. All fluorescent images were analyzed using ImageJ software. A dose-dependent increase in Dsg3 was noted following AK23 treatment, while Nrf2 expression and subcellular localization varied. Time-course analyses showed decreased Nrf2 at 24 h and increased Dsg3 levels. Early time-point (2 and 6 h) variations were evident in Nrf2 levels. This study highlights the impact of AK23 on Nrf2 expression, potentially disrupting Nrf2-mediated cytoprotection and implicating oxidative stress (ROS generation) in PV pathogenesis. Further investigation is necessary to validate the findings.
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Feng W, Luo Y. Preeclampsia and its prediction: traditional versus contemporary predictive methods. J Matern Fetal Neonatal Med 2024; 37:2388171. [PMID: 39107137 DOI: 10.1080/14767058.2024.2388171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Revised: 07/29/2024] [Accepted: 07/30/2024] [Indexed: 08/09/2024]
Abstract
OBJECTIVE Preeclampsia (PE) poses a significant threat to maternal and perinatal health, so its early prediction, prevention, and management are of paramount importance to mitigate adverse pregnancy outcomes. This article provides a brief review spanning epidemiology, etiology, pathophysiology, and risk factors associated with PE, mainly discussing the emerging role of Artificial Intelligence (AI) deep learning (DL) technology in predicting PE, to advance the understanding of PE and foster the clinical application of early prediction methods. METHODS Our narrative review comprehensively examines the PE epidemiology, etiology, pathophysiology, risk factors and predictive approaches, including traditional models and AI deep learning technology. RESULTS Preeclampsia involves a wide range of biological and biochemical risk factors, among which poor uterine artery remodeling, excessive immune response, endothelial dysfunction, and imbalanced angiogenesis play important roles. Traditional PE prediction models exhibit significant limitations in sensitivity and specificity, particularly in predicting late-onset PE, with detection rates ranging from only 30% to 50%. AI models have exhibited a notable level of predictive accuracy and value across various populations and datasets, achieving detection rates of approximately 70%. Particularly, they have shown superior predictive capabilities for late-onset PE, thereby presenting novel opportunities for early screening and management of the condition. CONCLUSION AI DL technology holds promise in revolutionizing the prediction and management of PE. AI-based approaches offer a pathway toward more effective risk assessment methods by addressing the shortcomings of traditional prediction models. Ongoing research efforts should focus on expanding databases and validating the performance of AI in diverse populations, leading to the development of more sophisticated prediction models with improved accuracy.
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Affiliation(s)
- Wei Feng
- Department of Gynecology, China Aerospace Science & Industry Corporation 731 Hospital, Beijing, China
| | - Ying Luo
- Department of Gynecology, China Aerospace Science & Industry Corporation 731 Hospital, Beijing, China
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Li H, Song Q, Su X, Shen Y, Yan H, Yu Z, Li Z, Yuan J, Huang J, Ni Z, Gu L, Fang W. Serum angiopoietin-2/angiopoietin-1 ratio is associated with cardiovascular and all-cause mortality in peritoneal dialysis patients: a prospective cohort study. Ren Fail 2024; 46:2380037. [PMID: 39082686 PMCID: PMC11293270 DOI: 10.1080/0886022x.2024.2380037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 04/22/2024] [Accepted: 07/10/2024] [Indexed: 08/03/2024] Open
Abstract
INTRODUCTION Our objective was to examine the factors associated with the serum angiopoietin-2/angiopoietin-1 (Angpt-2/Angpt-1) ratio in peritoneal dialysis (PD) patients and to investigate the association between Angpt-2/Angpt-1 ratio and cardiovascular and all-cause mortality. METHODS Patients on PD who were prevalent between January 2014 and April 2015 in the center of Renji Hospital were enrolled. At the time of enrollment, serum and dialysate samples were collected to detect biochemical parameters, serum angiopoietin-2 and angiopoietin-1 levels. Patients were dichotomized into two groups according to a median of Angpt-2/Angpt-1 ratio and followed up prospectively until the end of the study. RESULTS A total of 325 patients were enrolled, including 168 males (51.7%) with a mean age of 56.9 ± 14.2 years and a median PD duration of 32.4 (9.8-55.9) months. Multiple linear regression showed pulse pressure (β = 0.206, p < .001) and high-sensitivity C-reactive protein (hs-CRP) (β = 0.149, p = .011) were positively correlated with serum Angpt-2/Angpt-1 ratio, while residual renal function (RRF) (β= -0.219, p < .001) was negatively correlated with serum Angpt-2/Angpt-1 ratio. Multivariate Cox regression analysis showed the high serum Angpt-2/Angpt-1 ratio was an independent predictor of cardiovascular mortality (hazard ratio (HR)=2.467, 95% confidence interval (CI) 1.243-4.895, p = .010) and all-cause mortality (HR = 1.486, 95%CI 1.038-2.127, p = .031). In further subgroup analysis by gender, a significant association was shown in high Angpt-2/Angpt-1 ratio with all-cause mortality in male (p < .05), but not in female patients (p>.05). CONCLUSIONS High Angpt-2/Angpt-1 ratio is an independent risk factor for cardiovascular and all-cause mortality in PD patients.
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Affiliation(s)
- Han Li
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Shanghai Center for Peritoneal Dialysis Research, Shanghai, China
| | - Qianhui Song
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Shanghai Center for Peritoneal Dialysis Research, Shanghai, China
| | - Xinyu Su
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Shanghai Center for Peritoneal Dialysis Research, Shanghai, China
| | - Yiwei Shen
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Shanghai Center for Peritoneal Dialysis Research, Shanghai, China
| | - Hao Yan
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Shanghai Center for Peritoneal Dialysis Research, Shanghai, China
| | - Zanzhe Yu
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Shanghai Center for Peritoneal Dialysis Research, Shanghai, China
| | - Zhenyuan Li
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Shanghai Center for Peritoneal Dialysis Research, Shanghai, China
| | - Jiangzi Yuan
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Shanghai Center for Peritoneal Dialysis Research, Shanghai, China
| | - Jiaying Huang
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Shanghai Center for Peritoneal Dialysis Research, Shanghai, China
| | - Zhaohui Ni
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Shanghai Center for Peritoneal Dialysis Research, Shanghai, China
| | - Leyi Gu
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Shanghai Center for Peritoneal Dialysis Research, Shanghai, China
| | - Wei Fang
- Department of Nephrology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Shanghai Center for Peritoneal Dialysis Research, Shanghai, China
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Xie YX, Yao H, Peng JF, Ni D, Liu WT, Li CQ, Yi GH. Insight into modulators of sphingosine-1-phosphate receptor and implications for cardiovascular therapeutics. J Drug Target 2024; 32:300-310. [PMID: 38269855 DOI: 10.1080/1061186x.2024.2309577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Accepted: 10/21/2023] [Indexed: 01/26/2024]
Abstract
Cardiovascular disease is the leading cause of death worldwide, and it's of great importance to understand its underlying mechanisms and find new treatments. Sphingosine 1-phosphate (S1P) is an active lipid that exerts its effects through S1P receptors on the cell surface or intracellular signal, and regulates many cellular processes such as cell growth, cell proliferation, cell migration, cell survival, and so on. S1PR modulators are a class of modulators that can interact with S1PR subtypes to activate receptors or block their activity, exerting either agonist or functional antagonist effects. Many studies have shown that S1P plays a protective role in the cardiovascular system and regulates cardiac physiological functions mainly through interaction with cell surface S1P receptors (S1PRs). Therefore, S1PR modulators may play a therapeutic role in cardiovascular diseases. Here, we review five S1PRs and their functions and the progress of S1PR modulators. In addition, we focus on the effects of S1PR modulators on atherosclerosis, myocardial infarction, myocardial ischaemia/reperfusion injury, diabetic cardiovascular diseases, and myocarditis, which may provide valuable insights into potential therapeutic strategies for cardiovascular disease.
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Affiliation(s)
- Yu-Xin Xie
- Hunan province Cooperative Innovation Center for Molecular Target New Drug Study, Institute of Pharmacy and Pharmacology, University of South China, Hengyang, Hunan, China
- Key Laboratory for Arteriosclerology of Hunan Province, Hunan International Scientific and Technological Cooperation Base of Arteriosclerotic Disease, Hengyang Medical School, Institute of Cardiovascular Disease, University of South China, Hengyang, Hunan, China
| | - Hui Yao
- Key Laboratory for Arteriosclerology of Hunan Province, Hunan International Scientific and Technological Cooperation Base of Arteriosclerotic Disease, Hengyang Medical School, Institute of Cardiovascular Disease, University of South China, Hengyang, Hunan, China
| | - Jin-Fu Peng
- Hunan province Cooperative Innovation Center for Molecular Target New Drug Study, Institute of Pharmacy and Pharmacology, University of South China, Hengyang, Hunan, China
- Key Laboratory for Arteriosclerology of Hunan Province, Hunan International Scientific and Technological Cooperation Base of Arteriosclerotic Disease, Hengyang Medical School, Institute of Cardiovascular Disease, University of South China, Hengyang, Hunan, China
| | - Dan Ni
- Key Laboratory for Arteriosclerology of Hunan Province, Hunan International Scientific and Technological Cooperation Base of Arteriosclerotic Disease, Hengyang Medical School, Institute of Cardiovascular Disease, University of South China, Hengyang, Hunan, China
| | - Wan-Ting Liu
- Hunan province Cooperative Innovation Center for Molecular Target New Drug Study, Institute of Pharmacy and Pharmacology, University of South China, Hengyang, Hunan, China
- Key Laboratory for Arteriosclerology of Hunan Province, Hunan International Scientific and Technological Cooperation Base of Arteriosclerotic Disease, Hengyang Medical School, Institute of Cardiovascular Disease, University of South China, Hengyang, Hunan, China
| | - Chao-Quan Li
- Key Laboratory for Arteriosclerology of Hunan Province, Hunan International Scientific and Technological Cooperation Base of Arteriosclerotic Disease, Hengyang Medical School, Institute of Cardiovascular Disease, University of South China, Hengyang, Hunan, China
| | - Guang-Hui Yi
- Hunan province Cooperative Innovation Center for Molecular Target New Drug Study, Institute of Pharmacy and Pharmacology, University of South China, Hengyang, Hunan, China
- Key Laboratory for Arteriosclerology of Hunan Province, Hunan International Scientific and Technological Cooperation Base of Arteriosclerotic Disease, Hengyang Medical School, Institute of Cardiovascular Disease, University of South China, Hengyang, Hunan, China
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Yao F, Zhang R, Lin Q, Xu H, Li W, Ou M, Huang Y, Li G, Xu Y, Song J, Zhang G. Plasma immune profiling combined with machine learning contributes to diagnosis and prognosis of active pulmonary tuberculosis. Emerg Microbes Infect 2024; 13:2370399. [PMID: 38888093 PMCID: PMC11225635 DOI: 10.1080/22221751.2024.2370399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Accepted: 06/16/2024] [Indexed: 06/20/2024]
Abstract
Tuberculosis (TB) remains one of the deadliest chronic infectious diseases globally. Early diagnosis not only prevents the spread of TB but also ensures effective treatment. However, the absence of non-sputum-based diagnostic tests often leads to delayed TB diagnoses. Inflammation is a hallmark of TB, we aimed to identify biomarkers associated with TB based on immune profiling. We collected 222 plasma samples from healthy controls (HCs), disease controls (non-TB pneumonia; PN), patients with TB (TB), and cured TB cases (RxTB). A high-throughput protein detection technology, multiplex proximity extension assays (PEA), was applied to measure the levels of 92 immune proteins. Based on differential analysis and the correlation with TB severity, we selected 9 biomarkers (CXCL9, PDL1, CDCP1, CCL28, CCL23, CCL19, MMP1, IFNγ and TRANCE) and explored their diagnostic capabilities through 7 machine learning methods. We identified combination of these 9 biomarkers that distinguish TB cases from controls with an area under the receiver operating characteristic curve (AUROC) of 0.89-0.99, with a sensitivity of 82-93% at a specificity of 88-92%. Moreover, the model excels in distinguishing severe TB cases, achieving AUROC exceeding 0.95, sensitivities and specificities exceeding 93.3%. In summary, utilizing targeted proteomics and machine learning, we identified a 9 plasma proteins signature that demonstrates significant potential for accurate TB diagnosis and clinical outcome prediction.
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Affiliation(s)
- Fusheng Yao
- National Clinical Research Center for Infectious Diseases, Shenzhen Third People's Hospital, Southern University of Science and Technology, Shenzhen, People’s Republic of China
| | - Ruiqi Zhang
- National Clinical Research Center for Infectious Diseases, Shenzhen Third People's Hospital, Southern University of Science and Technology, Shenzhen, People’s Republic of China
| | - Qiao Lin
- The Baoan People's Hospital of Shenzhen, The Second Affiliated Hospital of Shenzhen University, Shenzhen, People’s Republic of China
| | - Hui Xu
- National Clinical Research Center for Infectious Diseases, Shenzhen Third People's Hospital, Southern University of Science and Technology, Shenzhen, People’s Republic of China
| | - Wei Li
- Zhuhai ICXIVD Biotechnology Co., Ltd, iCarbonX, Zhuhai, People’s Republic of China
| | - Min Ou
- National Clinical Research Center for Infectious Diseases, Shenzhen Third People's Hospital, Southern University of Science and Technology, Shenzhen, People’s Republic of China
| | - Yiting Huang
- Zhuhai ICXIVD Biotechnology Co., Ltd, iCarbonX, Zhuhai, People’s Republic of China
| | - Guobao Li
- National Clinical Research Center for Infectious Diseases, Shenzhen Third People's Hospital, Southern University of Science and Technology, Shenzhen, People’s Republic of China
| | - Yuzhong Xu
- The Baoan People's Hospital of Shenzhen, The Second Affiliated Hospital of Shenzhen University, Shenzhen, People’s Republic of China
| | - Jiaping Song
- Zhuhai ICXIVD Biotechnology Co., Ltd, iCarbonX, Zhuhai, People’s Republic of China
| | - Guoliang Zhang
- National Clinical Research Center for Infectious Diseases, Shenzhen Third People's Hospital, Southern University of Science and Technology, Shenzhen, People’s Republic of China
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Zeng Y, Li J, Zheng Y, Zhang D, Zhong N, Zuo X, Li Y, Yu W, Lu J. Development and validation of a predictive model for submucosal fibrosis in patients with early gastric cancer undergoing endoscopic submucosal dissection: experience from a large tertiary center. Ann Med 2024; 56:2391536. [PMID: 39149760 PMCID: PMC11328799 DOI: 10.1080/07853890.2024.2391536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Revised: 06/25/2024] [Accepted: 08/02/2024] [Indexed: 08/17/2024] Open
Abstract
BACKGROUND Submucosal fibrosis is associated with adverse events of endoscopic submucosal dissection (ESD). The present study mainly aimed to establish a predictive model for submucosal fibrosis in patients with early gastric cancer (EGC) undergoing ESD. METHODS Eligible patients with EGC, identified at Qilu Hospital of Shandong University from April 2013 to December 2023, were retrospectively included and randomly split into a training set and a validation set in a 7:3 ratio. Logistic regression analyses were used to pinpoint the risk factors for submucosal fibrosis. A nomogram was developed and confirmed using receiver operating characteristic (ROC) curves, calibration plots, Hosmer-Lemeshow (H-L) tests, and decision curve analysis (DCA) curves. Besides, a predictive model for severe submucosal fibrosis was further conducted and tested. RESULTS A total of 516 cases in the training group and 220 cases in the validation group were recruited. The nomogram for submucosal fibrosis contained the following items: tumour location (long axis), tumour location (short axis), ulceration, and biopsy pathology. ROC curves showed high efficiency with an area under the ROC of 0.819 in the training group, and 0.812 in the validation group. Calibration curves and H-L tests indicated good consistency. DCA proved the nomogram to be clinically beneficial. Furthermore, the four items were also applicable for a nomogram predicting severe fibrosis, and the model performed well. CONCLUSION The predictive models, initially constructed in this study, were validated as convenient and feasible for endoscopists to predict submucosal fibrosis and severe fibrosis in patients with EGC undergoing ESD.
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Affiliation(s)
- Yunqing Zeng
- Department of Gastroenterology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Jinhou Li
- Department of Gastroenterology, Qilu Hospital of Shandong University, Jinan, Shandong, China
- Department of Gastroenterology, Taian City Central Hospital, Taian, Shandong, China
| | - Yuan Zheng
- Department of Gastroenterology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Di Zhang
- Department of Medical Oncology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Ning Zhong
- Department of Gastroenterology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Xiuli Zuo
- Department of Gastroenterology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Yanqing Li
- Department of Gastroenterology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Wenbin Yu
- Department of General Surgery, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Jiaoyang Lu
- Department of Gastroenterology, Qilu Hospital of Shandong University, Jinan, Shandong, China
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Carvalho MI, Silva-Carvalho R, Prada J, Pinto C, Gregório H, Lobo L, Pires I, Queiroga FL. TGFβ in malignant canine mammary tumors: relation with angiogenesis, immunologic markers and prognostic role. Vet Q 2024; 44:1-12. [PMID: 39165025 PMCID: PMC11340227 DOI: 10.1080/01652176.2024.2390941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 07/29/2024] [Accepted: 08/05/2024] [Indexed: 08/22/2024] Open
Abstract
Transforming growth factor-β (TGFβ) and FoxP3 regulatory T cells (Treg) are involved in human breast carcinogenesis. This topic is not well documented in canine mammary tumors (CMT). In this work, the tumoral TGFβ expression was assessed by immunohistochemistry in 67 malignant CMT and its correlation to previously determined FoxP3, VEGF, and CD31 markers and other clinicopathologic parameters was evaluated. The high levels of TGFβ were statistically significantly associated with skin ulceration, tumor necrosis, high histological grade of malignancy (HGM), presence of neoplastic intravascular emboli and presence of lymph node metastases. The observed levels of TGFβ were positively correlated with intratumoral FoxP3 (strong correlation), VEGF (weak correlation) and CD31 (moderate correlation). Tumors that presented a concurrent high expression of TGFβ/FoxP3, TGFβ/VEGF, and TGFβ/CD31 markers were statistically significantly associated with parameters of tumor malignancy (high HGM, presence of vascular emboli and nodal metastasis). Additionally, shorter overall survival (OS) time was statistically significantly associated with tumors with an abundant TGFβ expression and with concurrent high expression of TGFβ/FoxP3, TGFβ/VEGF, and TGFβ/CD31. The presence of lymph node metastasis increased 11 times the risk of disease-related death, arising as an independent predictor of poor prognosis in the multivariable analysis. In conclusion, TGFβ and Treg cells seem involved in tumor progression emerging as potential therapeutic targets for future immunotherapy studies.
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Affiliation(s)
- Maria Isabel Carvalho
- MVET Research in Veterinary Medicine. Faculty of Veterinary Medicine, Lusófona University – Lisbon Centre, Lisboa, Portugal
| | - Ricardo Silva-Carvalho
- CEB – Centre of Biological Engineering, University of Minho, Braga, Portugal
- LABBELS – Associate Laboratory, Braga, Guimarães, Portugal
| | - Justina Prada
- Veterinary and Animal Research Center (CECAV), University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
- Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
| | - Carla Pinto
- Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
| | - Hugo Gregório
- Anicura Centro Hospitalar Veterinário, Porto, Portugal
| | - Luis Lobo
- MVET Research in Veterinary Medicine. Faculty of Veterinary Medicine, Lusófona University – Lisbon Centre, Lisboa, Portugal
- Onevet Hospital Veterinário do Porto, Porto, Portugal
- Center for the Study of Animal Sciences, CECA-ICETA, University of Porto, Portugal
| | - Isabel Pires
- Veterinary and Animal Research Center (CECAV), University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
- Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
| | - Felisbina L. Queiroga
- Veterinary and Animal Research Center (CECAV), University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
- Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
- Center for the Study of Animal Sciences, CECA-ICETA, University of Porto, Portugal
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Xu S, Wang D, Tan L, Lu J. The role of NLRP3 inflammasome in type 2 inflammation related diseases. Autoimmunity 2024; 57:2310269. [PMID: 38332696 DOI: 10.1080/08916934.2024.2310269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Accepted: 01/21/2024] [Indexed: 02/10/2024]
Abstract
Type 2 inflammation related diseases, such as atopic dermatitis, asthma, and allergic rhinitis, are diverse and affect multiple systems in the human body. It is common for individuals to have multiple co-existing type 2 inflammation related diseases, which can impose a significant financial and living burden on patients. However, the exact pathogenesis of these diseases is still unclear. The NLRP3 inflammasome is a protein complex composed of the NLRP3 protein, ASC, and Caspase-1, and is activated through various mechanisms, including the NF-κB pathway, ion channels, and lysosomal damage. The NLRP3 inflammasome plays a role in the immune response to pathogens and cellular damage. Recent studies have indicated a strong correlation between the abnormal activation of NLRP3 inflammasome and the onset of type 2 inflammation. Additionally, it has been demonstrated that suppressing NLRP3 expression effectively diminishes the inflammatory response, highlighting its promising therapeutic applications. Therefore, this article reviews the role of NLRP3 inflammasome in the development and therapy of multiple type 2 inflammation related diseases.
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Affiliation(s)
- Shenming Xu
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
- Medical Ozone Research Center of Central South University, Changsha, Hunan, People's Republic of China
| | - Dan Wang
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
- Medical Ozone Research Center of Central South University, Changsha, Hunan, People's Republic of China
| | - Lina Tan
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
- Medical Ozone Research Center of Central South University, Changsha, Hunan, People's Republic of China
| | - Jianyun Lu
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
- Medical Ozone Research Center of Central South University, Changsha, Hunan, People's Republic of China
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Yang Y, Miller H, Byazrova MG, Cndotti F, Benlagha K, Camara NOS, Shi J, Forsman H, Lee P, Yang L, Filatov A, Zhai Z, Liu C. The characterization of CD8 + T-cell responses in COVID-19. Emerg Microbes Infect 2024; 13:2287118. [PMID: 37990907 PMCID: PMC10786432 DOI: 10.1080/22221751.2023.2287118] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Accepted: 11/19/2023] [Indexed: 11/23/2023]
Abstract
This review gives an overview of the protective role of CD8+ T cells in SARS-CoV-2 infection. The cross-reactive responses intermediated by CD8+ T cells in unexposed cohorts are described. Additionally, the relevance of resident CD8+ T cells in the upper and lower airway during infection and CD8+ T-cell responses following vaccination are discussed, including recent worrisome breakthrough infections and variants of concerns (VOCs). Lastly, we explain the correlation between CD8+ T cells and COVID-19 severity. This review aids in a deeper comprehension of the association between CD8+ T cells and SARS-CoV-2 and broadens a vision for future exploration.
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Affiliation(s)
- Yuanting Yang
- Department of Pathogen Biology, School of Basic Medicine, Tongji Medical College and State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Huazhong University of Science and Technology, Wuhan, Hubei, People’s Republic of China
- Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People’s Republic of China
| | - Heather Miller
- Cytek Biosciences, R&D Clinical Reagents, Fremont, CA, USA
| | - Maria G. Byazrova
- Laboratory of Immunochemistry, National Research Center Institute of Immunology, Federal Medical Biological Agency of Russia, Moscow, Russia
| | - Fabio Cndotti
- Division of Immunology and Allergy, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Kamel Benlagha
- Institut de Recherche Saint-Louis, Université de Paris, Paris, France
| | - Niels Olsen Saraiva Camara
- Laboratory of Human Immunology, Department of Immunology, Institute of Biomedical Sciences, University of São Paulo (USP), São Paulo, Brazil
| | - Junming Shi
- Department of Pathogen Biology, School of Basic Medicine, Tongji Medical College and State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Huazhong University of Science and Technology, Wuhan, Hubei, People’s Republic of China
| | - Huamei Forsman
- Department of Rheumatology and Inflammation Research, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Pamela Lee
- Department of Paediatrics and Adolescent Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, Hong Kong
| | - Lu Yang
- Department of Pathogen Biology, School of Basic Medicine, Tongji Medical College and State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Huazhong University of Science and Technology, Wuhan, Hubei, People’s Republic of China
| | - Alexander Filatov
- Laboratory of Immunochemistry, National Research Center Institute of Immunology, Federal Medical Biological Agency of Russia, Moscow, Russia
| | - Zhimin Zhai
- Department of Hematology, The Second Hospital of Anhui Medical University, Hefei, People’s Republic of China
| | - Chaohong Liu
- Department of Pathogen Biology, School of Basic Medicine, Tongji Medical College and State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Huazhong University of Science and Technology, Wuhan, Hubei, People’s Republic of China
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Zhang W, Guo C, Li Y, Wang H, Wang H, Wang Y, Wu T, Wang H, Cheng G, Man J, Chen S, Fu S, Yang L. Mitophagy mediated by HIF-1α/FUNDC1 signaling in tubular cells protects against renal ischemia/reperfusion injury. Ren Fail 2024; 46:2332492. [PMID: 38584135 PMCID: PMC11000611 DOI: 10.1080/0886022x.2024.2332492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Accepted: 03/14/2024] [Indexed: 04/09/2024] Open
Abstract
Acute kidney injury (AKI) is associated with a high mortality rate. Pathologically, renal ischemia/reperfusion injury (RIRI) is one of the primary causes of AKI, and hypoxia-inducible factor (HIF)-1α may play a defensive role in RIRI. This study assessed the role of hypoxia-inducible factor 1α (HIF-1α)-mediated mitophagy in protection against RIRI in vitro and in vivo. The human tubular cell line HK-2 was used to assess hypoxia/reoxygenation (H/R)-induced mitophagy through different in vitro assays, including western blotting, immunofluorescence staining, terminal deoxynucleotidyl transferase-mediated dUTP nick end labeling (TUNEL), and reactive oxygen species (ROS) measurement. Additionally, a rat RIRI model was established for evaluation by renal histopathology, renal Doppler ultrasound, and transmission electron microscopy to confirm the in vitro data. The selective HIF-1α inhibitor LW6 reduced H/R-induced mitophagy but increased H/R-induced apoptosis and ROS production. Moreover, H/R treatment enhanced expression of the FUN14 domain-containing 1 (FUNDC1) protein. Additionally, FUNDC1 overexpression reversed the effects of LW6 on the altered expression of light chain 3 (LC3) BII and voltage-dependent anion channels as well as blocked the effects of HIF-1α inhibition in cells. Pretreatment of the rat RIRI model with roxadustat, a novel oral HIF-1α inhibitor, led to decreased renal injury and apoptosis in vivo. In conclusion, the HIF-1α/FUNDC1 signaling pathway mediates H/R-promoted renal tubular cell mitophagy, whereas inhibition of this signaling pathway protects cells from mitophagy, thus aggravating apoptosis, and ROS production. Accordingly, roxadustat may protect against RIRI-related AKI.
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Affiliation(s)
- Wenjun Zhang
- Department of Nephrology, Lanzhou University Affiliated Second Hospital, Lanzhou, China
- Gansu Provicne Clinical Research Center for Kidney Diseases, Lanzhou, China
| | - Chao Guo
- Scientific Research and Experimental Center, Gansu University of Chinese Medicine, Lanzhou, China
| | - Yi Li
- Department of Anesthesiology, Lanzhou University Affiliated Second Hospital, Lanzhou, China
| | - Hao Wang
- Department of Urology Surgery, Lanzhou University Affiliated Second Hospital, Lanzhou, China
| | - Huabing Wang
- Department of Urology Surgery, Lanzhou University Affiliated Second Hospital, Lanzhou, China
| | - Yingying Wang
- Department of Nephrology, Lanzhou University Affiliated Second Hospital, Lanzhou, China
| | - Tingting Wu
- Department of Functional Examination in Children, Lanzhou University Affiliated Second Hospital, Lanzhou, China
| | - Huinan Wang
- The Second Clinical Medical College of Lanzhou University, Lanzhou, China
| | - Gang Cheng
- The Second Clinical Medical College of Lanzhou University, Lanzhou, China
| | - Jiangwei Man
- Department of Urology Surgery, Lanzhou University Affiliated Second Hospital, Lanzhou, China
| | - Siyu Chen
- Department of Urology Surgery, Lanzhou University Affiliated Second Hospital, Lanzhou, China
| | - Shengjun Fu
- Department of Urology Surgery, Lanzhou University Affiliated Second Hospital, Lanzhou, China
| | - Li Yang
- Department of Urology Surgery, Lanzhou University Affiliated Second Hospital, Lanzhou, China
- Gansu Provicne Clinical Research Center for Urology, Lanzhou, China
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221
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Lee S, Park J, Piao Y, Lee D, Lee D, Kim S. Multi-layered knowledge graph neural network reveals pathway-level agreement of three breast cancer multi-gene assays. Comput Struct Biotechnol J 2024; 23:1715-1724. [PMID: 38689720 PMCID: PMC11058099 DOI: 10.1016/j.csbj.2024.04.038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2024] [Revised: 04/14/2024] [Accepted: 04/15/2024] [Indexed: 05/02/2024] Open
Abstract
Multi-gene assays have been widely used to predict the recurrence risk for hormone receptor (HR)-positive breast cancer patients. However, these assays lack explanatory power regarding the underlying mechanisms of the recurrence risk. To address this limitation, we proposed a novel multi-layered knowledge graph neural network for the multi-gene assays. Our model elucidated the regulatory pathways of assay genes and utilized an attention-based graph neural network to predict recurrence risk while interpreting transcriptional subpathways relevant to risk prediction. Evaluation on three multi-gene assays-Oncotype DX, Prosigna, and EndoPredict-using SCAN-B dataset demonstrated the efficacy of our method. Through interpretation of attention weights, we found that all three assays are mainly regulated by signaling pathways driving cancer proliferation especially RTK-ERK-ETS-mediated cell proliferation for breast cancer recurrence. In addition, our analysis highlighted that the important regulatory subpathways remain consistent across different knowledgebases used for constructing the multi-level knowledge graph. Furthermore, through attention analysis, we demonstrated the biological significance and clinical relevance of these subpathways in predicting patient outcomes. The source code is available at http://biohealth.snu.ac.kr/software/ExplainableMLKGNN.
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Affiliation(s)
| | | | - Yinhua Piao
- Department of Computer Science and Engineering, South Korea
| | - Dohoon Lee
- Bioinformatics Institute, South Korea
- BK21 FOUR Intelligence Computing, South Korea
| | - Danyeong Lee
- Interdisciplinary Program in Bioinformatics, South Korea
| | - Sun Kim
- Department of Computer Science and Engineering, South Korea
- Interdisciplinary Program in Bioinformatics, South Korea
- Interdisciplinary Program in Artificial Intelligence, Seoul National University, Gwanak-ro 1, Gwanak-gu, Seoul, 08826, South Korea
- AIGENDRUG Co., Ltd., Gwanak-ro 1, Gwanak-gu, Seoul, 08826, South Korea
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222
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Li C, Xiao Y, Kong J, Lai C, Chen Z, Li Z, Xie W. Elucidating the role of MICAL1 in pan-cancer using integrated bioinformatics and experimental approaches. Cell Adh Migr 2024; 18:1-17. [PMID: 38555517 PMCID: PMC10984120 DOI: 10.1080/19336918.2024.2335682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 03/22/2024] [Indexed: 04/02/2024] Open
Abstract
Molecule interacting with CasL 1 (MICAL1) is a crucial protein involved in cell motility, axon guidance, cytoskeletal dynamics, and gene transcription. This pan-cancer study analyzed MICAL1 across 33 cancer types using bioinformatics and experiments. Dysregulated expression, diagnostic potential, and prognostic value were assessed. Associations with tumor characteristics, immune factors, and drug sensitivity were explored. Enrichment analysis revealed MICAL1's involvement in metastasis, angiogenesis, metabolism, and immune pathways. Functional experiments demonstrated its impact on renal carcinoma cells. These findings position MICAL1 as a potential biomarker and therapeutic target in specific cancers, warranting further investigation into its role in cancer pathogenesis.
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Affiliation(s)
- Canxuan Li
- Department of Urology, Shenshan Medical Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Shanwei, Guangdong, P. R. China
| | - Yunfei Xiao
- Department of Urology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, P. R. China
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, P. R. China
- Guangdong Provincial Clinical Research Center for Urological Diseases, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, P. R. China
| | - Jianqiu Kong
- Department of Urology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, P. R. China
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, P. R. China
- Guangdong Provincial Clinical Research Center for Urological Diseases, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, P. R. China
| | - Cong Lai
- Department of Urology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, P. R. China
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, P. R. China
- Guangdong Provincial Clinical Research Center for Urological Diseases, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, P. R. China
| | - Zhiliang Chen
- Department of Urology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, P. R. China
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, P. R. China
- Guangdong Provincial Clinical Research Center for Urological Diseases, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, P. R. China
| | - Zhuohang Li
- Department of Urology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, P. R. China
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, P. R. China
- Guangdong Provincial Clinical Research Center for Urological Diseases, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, P. R. China
| | - Weibin Xie
- Department of Urology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, P. R. China
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, P. R. China
- Guangdong Provincial Clinical Research Center for Urological Diseases, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, P. R. China
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223
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Yu W, Song J, Chen S, Nie J, Zhou C, Huang J, Liang H. Myofibroblast-derived exosomes enhance macrophages to myofibroblasts transition and kidney fibrosis. Ren Fail 2024; 46:2334406. [PMID: 38575341 PMCID: PMC10997357 DOI: 10.1080/0886022x.2024.2334406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/06/2024] Open
Abstract
A critical event in the pathogenesis of kidney fibrosis is the transition of macrophages into myofibroblasts (MMT). Exosomes play an important role in crosstalk among cells in the kidney and the development of renal fibrosis. However, the role of myofibroblast-derived exosomes in the process of MMT and renal fibrosis progression remains unknown. Here, we examined the role of myofibroblast-derived exosomes in MMT and kidney fibrogenesis. In vitro, transforming growth factor-β1 stimulated the differentiation of kidney fibroblasts into myofibroblasts and promoted exosome release from myofibroblasts. RAW264.7 cells were treated with exosomes derived from myofibroblasts. We found purified exosomes from myofibroblasts trigger the MMT. By contrast, inhibition of exosome production with GW4869 or exosome depletion from the conditioned media abolished the ability of myofibroblasts to induce MMT. Mice treatment with myofibroblast-derived exosomes (Myo-Exo) exhibited severe fibrotic lesion and more abundant MMT cells in kidneys with folic acid (FA) injury, which was negated by TANK-banding kinase-1 inhibitor. Furthermore, suppression of exosome production reduced collagen deposition, extracellular matrix protein accumulation, and MMT in FA nephropathy. Collectively, Myo-Exo enhances the MMT and kidney fibrosis. Blockade of exosomes mediated myofibroblasts-macrophages communication may provide a novel therapeutic target for kidney fibrosis.
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Affiliation(s)
- Wenqiang Yu
- Department of Anesthesiology, Foshan Women and Children Hospital, Foshan, China
| | - Jinfang Song
- Zhuhai Campus, Zunyi Medical University, Zhuhai, China
| | - Shuangquan Chen
- Department of Anesthesiology, Foshan Women and Children Hospital, Foshan, China
| | - Jiayi Nie
- Department of Anesthesiology, Foshan Women and Children Hospital, Foshan, China
| | - Chujun Zhou
- Jiangxi University of Traditional Chinese Medicine, Nanchang, China
| | - Jiamin Huang
- Department of Anesthesiology, Foshan Women and Children Hospital, Foshan, China
| | - Hua Liang
- Department of Anesthesiology, Foshan Women and Children Hospital, Foshan, China
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224
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Hu Y, Fan Q, Qiao B, Xu O, Lv B, Han N, Zhang X. Alleviatory Role of Panax Notoginseng Saponins in Modulating Inflammation and Pulmonary Vascular Remodeling in Chronic Obstructive Pulmonary Disease: mechanisms and Implications. COPD 2024; 21:2329282. [PMID: 38622983 DOI: 10.1080/15412555.2024.2329282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Accepted: 03/06/2024] [Indexed: 04/17/2024]
Abstract
COPD is an inflammatory lung disease that limits airflow and remodels the pulmonary vascular system. This study delves into the therapeutic potential and mechanistic underpinnings of Panax notoginseng Saponins (PNS) in alleviating inflammation and pulmonary vascular remodeling in a COPD rat model. Symmap and ETCM databases provided Panax notoginseng-related target genes, and the CTD and DisGeNET databases provided COPD-related genes. Intersection genes were subjected to protein-protein interaction analysis and pathway enrichment to identify downstream pathways. A COPD rat model was established, with groups receiving varying doses of PNS and a Roxithromycin control. The pathological changes in lung tissue and vasculature were examined using histological staining, while molecular alterations were explored through ELISA, RT-PCR, and Western blot. Network pharmacology research suggested PNS may affect the TLR4/NF-κB pathway linked to COPD development. The study revealed that, in contrast to the control group, the COPD model exhibited a significant increase in inflammatory markers and pathway components such as TLR4, NF-κB, HIF-1α, VEGF, ICAM-1, SELE mRNA, and serum TNF-α, IL-8, and IL-1β. Treatment with PNS notably decreased these markers and mitigated inflammation around the bronchi and vessels. Taken together, the study underscores the potential of PNS in reducing lung inflammation and vascular remodeling in COPD rats, primarily via modulation of the TLR4/NF-κB/HIF-1α/VEGF pathway. This research offers valuable insights for developing new therapeutic strategies for managing and preventing COPD.
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Affiliation(s)
- Yanan Hu
- School of Basic Medical Science, Yunnan University of Chinese Medicine, Kunming, P. R. China
- Heze Hospital of Traditional Chinese Medicine, Heze, P. R. China
| | - Qiuyang Fan
- School of Basic Medical Science, Yunnan University of Chinese Medicine, Kunming, P. R. China
| | - Bo Qiao
- College of Chinese Medicine, Hunan University of Chinese Medicine, Changsha, P. R. China
| | - Ou Xu
- Fuwai Yunnan Cardiovascular Hospital, Kunming, P. R. China
| | - Bijun Lv
- School of Basic Medical Science, Yunnan University of Chinese Medicine, Kunming, P. R. China
| | - Niping Han
- Molecular Biology for Sinomedicine, Yunnan Provincial Key Laboratory of Molecular Biology for Sinomedicine, Kunming, P. R. China
| | - Xiaomei Zhang
- Molecular Biology for Sinomedicine, Yunnan Provincial Key Laboratory of Molecular Biology for Sinomedicine, Kunming, P. R. China
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225
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Wang D, Duan JJ, Guo YF, Chen JJ, Chen TQ, Wang J, Yu SC. Targeting the glutamine-arginine-proline metabolism axis in cancer. J Enzyme Inhib Med Chem 2024; 39:2367129. [PMID: 39051546 PMCID: PMC11275534 DOI: 10.1080/14756366.2024.2367129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 04/27/2024] [Accepted: 06/06/2024] [Indexed: 07/27/2024] Open
Abstract
Metabolic abnormalities are an important feature of tumours. The glutamine-arginine-proline axis is an important node of cancer metabolism and plays a major role in amino acid metabolism. This axis also acts as a scaffold for the synthesis of other nonessential amino acids and essential metabolites. In this paper, we briefly review (1) the glutamine addiction exhibited by tumour cells with accelerated glutamine transport and metabolism; (2) the methods regulating extracellular glutamine entry, intracellular glutamine synthesis and the fate of intracellular glutamine; (3) the glutamine, proline and arginine metabolic pathways and their interaction; and (4) the research progress in tumour therapy targeting the glutamine-arginine-proline metabolic system, with a focus on summarising the therapeutic research progress of strategies targeting of one of the key enzymes of this metabolic system, P5CS (ALDH18A1). This review provides a new basis for treatments targeting the metabolic characteristics of tumours.
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Affiliation(s)
- Di Wang
- Department of Stem Cell and Regenerative Medicine, Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
- International Joint Research Center for Precision Biotherapy, Ministry of Science and Technology, Chongqing, China
- Key Laboratory of Cancer Immunopathology, Ministry of Education, Chongqing, China
| | - Jiang-jie Duan
- Department of Stem Cell and Regenerative Medicine, Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
- International Joint Research Center for Precision Biotherapy, Ministry of Science and Technology, Chongqing, China
- Key Laboratory of Cancer Immunopathology, Ministry of Education, Chongqing, China
- Jin-feng Laboratory, Chongqing, China
| | - Yu-feng Guo
- Department of Stem Cell and Regenerative Medicine, Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
| | - Jun-jie Chen
- Department of Stem Cell and Regenerative Medicine, Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
- International Joint Research Center for Precision Biotherapy, Ministry of Science and Technology, Chongqing, China
- Key Laboratory of Cancer Immunopathology, Ministry of Education, Chongqing, China
| | - Tian-qing Chen
- School of Pharmacy, Shanxi Medical University, Taiyuan, China
| | - Jun Wang
- Department of Stem Cell and Regenerative Medicine, Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
- International Joint Research Center for Precision Biotherapy, Ministry of Science and Technology, Chongqing, China
- Key Laboratory of Cancer Immunopathology, Ministry of Education, Chongqing, China
- Jin-feng Laboratory, Chongqing, China
| | - Shi-cang Yu
- Department of Stem Cell and Regenerative Medicine, Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
- International Joint Research Center for Precision Biotherapy, Ministry of Science and Technology, Chongqing, China
- Key Laboratory of Cancer Immunopathology, Ministry of Education, Chongqing, China
- Jin-feng Laboratory, Chongqing, China
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226
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Xiang Y, Zhao Z, Yao EJ, Balayan A, Fiering SN, Steinmetz NF, Chen S. Multifaceted cancer alleviation by cowpea mosaic virus in a bioprinted ovarian cancer peritoneal spheroid model. Biomaterials 2024; 311:122663. [PMID: 38878481 DOI: 10.1016/j.biomaterials.2024.122663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 06/01/2024] [Accepted: 06/08/2024] [Indexed: 08/06/2024]
Abstract
Ovarian cancer (OvCa) is a leading cause of mortality among gynecological malignancies and usually manifests as intraperitoneal spheroids that generate metastases, ascites, and an immunosuppressive tumor microenvironment. In this study, we explore the immunomodulatory properties of cowpea mosaic virus (CPMV) as an adjuvant immunotherapeutic agent using an in vitro model of OvCa peritoneal spheroids. Previous findings highlighted the potent efficacy of intratumoral CPMV against OvCa in mouse tumor models. Leveraging the precision control over material deposition and cell patterning afforded by digital-light-processing (DLP) based bioprinting, we constructed OvCa-macrophage spheroids to mimic peritoneal spheroids using gelatin methacrylate (GelMA), a collagen-derived photopolymerizable biomaterial to mimic the extracellular matrix. Following CPMV treatment, bioprinted spheroids exhibited inhibited OvCa progression mediated by macrophage activation. Our analysis indicates that CPMV regulates and activates macrophage to both induce OvCa cell killing and restore normal cell-cell junctions. This study deepened our understanding of the mechanism of CPMV intratumoral immunotherapy in the setting of OvCa. This study also highlights the potential of studying immunotherapies using high throughput tissue models via DLP bioprinting.
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Affiliation(s)
- Yi Xiang
- Aiiso Yufeng Li Family Department of Chemical and Nano Engineering, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA
| | - Zhongchao Zhao
- Aiiso Yufeng Li Family Department of Chemical and Nano Engineering, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA; Center for Nano-ImmunoEngineering, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA; Moores Cancer Center, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA
| | - Emmie J Yao
- Aiiso Yufeng Li Family Department of Chemical and Nano Engineering, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA
| | - Alis Balayan
- Aiiso Yufeng Li Family Department of Chemical and Nano Engineering, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA; School of Medicine, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA
| | - Steven N Fiering
- Department of Microbiology and Immunology, Geisel School of Medicine at Dartmouth, Lebanon, NH, 03756, USA; Dartmouth Cancer Center, Geisel School of Medicine at Dartmouth and Dartmouth Health, Lebanon, NH, 03756, USA
| | - Nicole F Steinmetz
- Aiiso Yufeng Li Family Department of Chemical and Nano Engineering, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA; Center for Nano-ImmunoEngineering, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA; Moores Cancer Center, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA; Department of Radiology, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA; Shu Chien-Gene Lay Department of Bioengineering, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA; Institute for Materials Discovery and Design, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA; Center for Engineering in Cancer, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA; Shu and K.C. Chien and Peter Farrell Collaboratory, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA.
| | - Shaochen Chen
- Aiiso Yufeng Li Family Department of Chemical and Nano Engineering, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA; Center for Nano-ImmunoEngineering, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA; Shu Chien-Gene Lay Department of Bioengineering, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA; Institute for Materials Discovery and Design, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA, 92093, USA.
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227
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Wen J, Liu K, Bu Y, Zhang Y, Zheng Y, He J, Huang Y, Hu D, Wang K. An injectable and antifouling hydrogel prevents the development of abdominal adhesions by inhibiting the CCL2/CCR2 interaction. Biomaterials 2024; 311:122661. [PMID: 38875883 DOI: 10.1016/j.biomaterials.2024.122661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Revised: 06/03/2024] [Accepted: 06/07/2024] [Indexed: 06/16/2024]
Abstract
Abdominal adhesion, a serious complication of abdominal surgery, often resists mitigation by current drug administration and physical barriers. To address this issue, we developed an injectable, antifouling hydrogel through the free-radical polymerization of methacrylate chondroitin sulfate (CS-GMA) and 2-methacryloyloxyethyl phosphorylcholine (MPC) monomers, dubbed the CGM hydrogel. We systematically analyzed its physicochemical properties, including rheological strength, biocompatibility, and antifouling capabilities. A rat abdominal cecum adhesion model was constructed to assess the effectiveness of CGM hydrogel in preventing postoperative adhesion and recurrent adhesion. In addition, multi-omics analyses identified the relationship between adhesion development and CCL2/CCR2 interaction. Notably, CGM hydrogel can thwart the recruitment and aggregation of fibroblasts and macrophages by inhibiting the CCL2/CCR2 interaction. Moreover, CGM hydrogel significantly dampens the activity of fibrosis-linked cytokines (TGF-βR1) and recalibrates extracellular matrix deposition-related cytokines (t-PA and PAI-1, Col Ⅰ and MMP-9). Cumulatively, the dual action of CGM hydrogel-as a physical barrier and cytokine regulator-highlights its promising potential in clinical application for abdominal adhesion prevention.
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Affiliation(s)
- Jinpeng Wen
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Kailai Liu
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Yizhuo Bu
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Yuchen Zhang
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Yunhe Zheng
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Jiangchuan He
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Yu Huang
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Datao Hu
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Ke Wang
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China.
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228
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Neder JA, Santyr G, Zanette B, Kirby M, Pourafkari M, James MD, Vincent SG, Ferguson C, Wang CY, Domnik NJ, Phillips DB, Porszasz J, Stringer WW, O'Donnell DE. Beyond Spirometry: Linking Wasted Ventilation to Exertional Dyspnea in the Initial Stages of COPD. COPD 2024; 21:2301549. [PMID: 38348843 DOI: 10.1080/15412555.2023.2301549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Accepted: 12/29/2023] [Indexed: 02/15/2024]
Abstract
Exertional dyspnea, a key complaint of patients with chronic obstructive pulmonary disease (COPD), ultimately reflects an increased inspiratory neural drive to breathe. In non-hypoxemic patients with largely preserved lung mechanics - as those in the initial stages of the disease - the heightened inspiratory neural drive is strongly associated with an exaggerated ventilatory response to metabolic demand. Several lines of evidence indicate that the so-called excess ventilation (high ventilation-CO2 output relationship) primarily reflects poor gas exchange efficiency, namely increased physiological dead space. Pulmonary function tests estimating the extension of the wasted ventilation and selected cardiopulmonary exercise testing variables can, therefore, shed unique light on the genesis of patients' out-of-proportion dyspnea. After a succinct overview of the basis of gas exchange efficiency in health and inefficiency in COPD, we discuss how wasted ventilation translates into exertional dyspnea in individual patients. We then outline what is currently known about the structural basis of wasted ventilation in "minor/trivial" COPD vis-à-vis the contribution of emphysema versus a potential impairment in lung perfusion across non-emphysematous lung. After summarizing some unanswered questions on the field, we propose that functional imaging be amalgamated with pulmonary function tests beyond spirometry to improve our understanding of this deeply neglected cause of exertional dyspnea. Advances in the field will depend on our ability to develop robust platforms for deeply phenotyping (structurally and functionally), the dyspneic patients showing unordinary high wasted ventilation despite relatively preserved FEV1.
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Affiliation(s)
- J Alberto Neder
- Respiratory Investigation Unit, Division of Respirology, Department of Medicine, Queen's University and Kingston Health Sciences Centre, Kingston, Canada
| | - Giles Santyr
- Translational Medicine Department, Faculty of Physiology and Experimental Medicine, Hospital for Sick Children, Toronto, Canada
| | - Brandon Zanette
- Translational Medicine Department, Faculty of Physiology and Experimental Medicine, Hospital for Sick Children, Toronto, Canada
| | - Miranda Kirby
- Department of Physics, Faculty of Science, Toronto Metropolitan University, Toronto, Canada
| | - Marina Pourafkari
- Department of Radiology and Diagnostic Imaging, Kingston Health Sciences Centre, Kingston, Canada
| | - Matthew D James
- Respiratory Investigation Unit, Division of Respirology, Department of Medicine, Queen's University and Kingston Health Sciences Centre, Kingston, Canada
| | - Sandra G Vincent
- Respiratory Investigation Unit, Division of Respirology, Department of Medicine, Queen's University and Kingston Health Sciences Centre, Kingston, Canada
| | - Carrie Ferguson
- The Lundquist Institute for Biomedical Innovation, Harbor U.C.L.A Medical Centre, Torrance, CA, USA
| | - Chu-Yi Wang
- The Lundquist Institute for Biomedical Innovation, Harbor U.C.L.A Medical Centre, Torrance, CA, USA
| | - Nicolle J Domnik
- Respiratory Investigation Unit, Division of Respirology, Department of Medicine, Queen's University and Kingston Health Sciences Centre, Kingston, Canada
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, Canada
| | - Devin B Phillips
- School of Kinesiology and Health Science, York University, Toronto, Canada
| | - Janos Porszasz
- The Lundquist Institute for Biomedical Innovation, Harbor U.C.L.A Medical Centre, Torrance, CA, USA
| | - William W Stringer
- The Lundquist Institute for Biomedical Innovation, Harbor U.C.L.A Medical Centre, Torrance, CA, USA
| | - Denis E O'Donnell
- Respiratory Investigation Unit, Division of Respirology, Department of Medicine, Queen's University and Kingston Health Sciences Centre, Kingston, Canada
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229
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Li C, Azad MAK, Zhu Q, Cheng Y, Gui J, Song B, Zhou Z, Kong X. Differences in intestinal and renal Ca and P uptake in three different breeds of growing-finishing pigs. Vet Q 2024; 44:1-16. [PMID: 38965863 PMCID: PMC11229737 DOI: 10.1080/01652176.2024.2371609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Accepted: 06/17/2024] [Indexed: 07/06/2024] Open
Abstract
This study investigated the differences in bone growth and turnover and calcium (Ca) and phosphorus (P) uptake among three different breeds of growing-finishing pigs. Ninety healthy Duroc, Xiangcun black (XCB), and Taoyuan black (TYB) pigs (30 pigs per breed) at 35 day-old (D) with the average body weight (BW) of their respective breed were assigned and raised to 185 D. The results showed that Duroc pigs had higher bone weight and length than the XCB and TYB pigs at 80, 125, and 185 D and the bone index at 185 D (p < 0.05). Duroc pigs had higher bone mineral densities (femur and tibia) compared with the other two breeds at 80 D and 125 D, whereas TYB pigs had higher mineral content and bone breaking load (rib) compared with the other two breeds at 185 D (p < 0.05). The bone morphogenetic protein-2 and osteocalcin concentrations were higher, and TRACP5b concentration was lower in serum of TYB pigs at 125 D (p < 0.05). Meanwhile, 1,25-dihydroxyvitamin D3, parathyroid hormone, thyroxine, and fibroblast growth factor 23 concentrations were higher in serum of TYB pigs at 185 D (p < 0.05). The TYB pigs had higher apparent total tract digestibility of P at 80 D and 185 D and bone Ca and P contents at 185 D in comparison to the Duroc pigs (p < 0.05). Furthermore, gene expressions related to renal uptake of Ca and P differed among the three breeds of pigs. Collectively, Duroc pigs have higher bone growth, whereas TYB pigs have a higher potential for mineral deposition caused by more active Ca uptake.
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Affiliation(s)
- Chenjian Li
- CAS Key Laboratory of Agro-ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan, China
- College of Veterinary Medicine, Nanjing Agriculture University, Nanjing, Jiangsu, China
| | - Md. Abul Kalam Azad
- CAS Key Laboratory of Agro-ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan, China
- College of Advanced Agricultural Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Qian Zhu
- CAS Key Laboratory of Agro-ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan, China
- College of Advanced Agricultural Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Yating Cheng
- CAS Key Laboratory of Agro-ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan, China
| | - Jue Gui
- CAS Key Laboratory of Agro-ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan, China
- College of Advanced Agricultural Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Bo Song
- CAS Key Laboratory of Agro-ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan, China
- College of Advanced Agricultural Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Zhenlei Zhou
- College of Veterinary Medicine, Nanjing Agriculture University, Nanjing, Jiangsu, China
| | - Xiangfeng Kong
- CAS Key Laboratory of Agro-ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan, China
- College of Veterinary Medicine, Nanjing Agriculture University, Nanjing, Jiangsu, China
- College of Advanced Agricultural Sciences, University of Chinese Academy of Sciences, Beijing, China
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230
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Ren S, Li J, Dorado J, Sierra A, González-Díaz H, Duardo A, Shen B. From molecular mechanisms of prostate cancer to translational applications: based on multi-omics fusion analysis and intelligent medicine. Health Inf Sci Syst 2024; 12:6. [PMID: 38125666 PMCID: PMC10728428 DOI: 10.1007/s13755-023-00264-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Accepted: 11/28/2023] [Indexed: 12/23/2023] Open
Abstract
Prostate cancer is the most common cancer in men worldwide and has a high mortality rate. The complex and heterogeneous development of prostate cancer has become a core obstacle in the treatment of prostate cancer. Simultaneously, the issues of overtreatment in early-stage diagnosis, oligometastasis and dormant tumor recognition, as well as personalized drug utilization, are also specific concerns that require attention in the clinical management of prostate cancer. Some typical genetic mutations have been proved to be associated with prostate cancer's initiation and progression. However, single-omic studies usually are not able to explain the causal relationship between molecular alterations and clinical phenotypes. Exploration from a systems genetics perspective is also lacking in this field, that is, the impact of gene network, the environmental factors, and even lifestyle behaviors on disease progression. At the meantime, current trend emphasizes the utilization of artificial intelligence (AI) and machine learning techniques to process extensive multidimensional data, including multi-omics. These technologies unveil the potential patterns, correlations, and insights related to diseases, thereby aiding the interpretable clinical decision making and applications, namely intelligent medicine. Therefore, there is a pressing need to integrate multidimensional data for identification of molecular subtypes, prediction of cancer progression and aggressiveness, along with perosonalized treatment performing. In this review, we systematically elaborated the landscape from molecular mechanism discovery of prostate cancer to clinical translational applications. We discussed the molecular profiles and clinical manifestations of prostate cancer heterogeneity, the identification of different states of prostate cancer, as well as corresponding precision medicine practices. Taking multi-omics fusion, systems genetics, and intelligence medicine as the main perspectives, the current research results and knowledge-driven research path of prostate cancer were summarized.
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Affiliation(s)
- Shumin Ren
- Department of Urology and Institutes for Systems Genetics, West China Hospital, Sichuan University, Chengdu, 610041 China
- Department of Computer Science and Information Technology, University of A Coruña, 15071 A Coruña, Spain
| | - Jiakun Li
- Department of Urology and Institutes for Systems Genetics, West China Hospital, Sichuan University, Chengdu, 610041 China
| | - Julián Dorado
- Department of Computer Science and Information Technology, University of A Coruña, 15071 A Coruña, Spain
| | - Alejandro Sierra
- Department of Computer Science and Information Technology, University of A Coruña, 15071 A Coruña, Spain
- IKERDATA S.L., ZITEK, University of Basque Country UPVEHU, Rectorate Building, 48940 Leioa, Spain
| | - Humbert González-Díaz
- Department of Computer Science and Information Technology, University of A Coruña, 15071 A Coruña, Spain
- IKERDATA S.L., ZITEK, University of Basque Country UPVEHU, Rectorate Building, 48940 Leioa, Spain
| | - Aliuska Duardo
- Department of Computer Science and Information Technology, University of A Coruña, 15071 A Coruña, Spain
- IKERDATA S.L., ZITEK, University of Basque Country UPVEHU, Rectorate Building, 48940 Leioa, Spain
| | - Bairong Shen
- Department of Urology and Institutes for Systems Genetics, West China Hospital, Sichuan University, Chengdu, 610041 China
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231
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Sheng A, Liu F, Wang Q, Fu H, Mao J. The roles of TRPC6 in renal tubular disorders: a narrative review. Ren Fail 2024; 46:2376929. [PMID: 39022902 PMCID: PMC11259070 DOI: 10.1080/0886022x.2024.2376929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Accepted: 07/02/2024] [Indexed: 07/20/2024] Open
Abstract
The transient receptor potential canonical 6 (TRPC6) channel, a nonselective cation channel that allows the passage of Ca2+, plays an important role in renal diseases. TRPC6 is activated by Ca2+ influx, oxidative stress, and mechanical stress. Studies have shown that in addition to glomerular diseases, TRPC6 can contribute to renal tubular disorders, such as acute kidney injury, renal interstitial fibrosis, and renal cell carcinoma (RCC). However, the tubule-specific physiological functions of TRPC6 have not yet been elucidated. Its pathophysiological role in ischemia/reperfusion (I/R) injury is debatable. Thus, TRPC6 may have dual roles in I/R injury. TRPC6 induces renal fibrosis and immune cell infiltration in a unilateral ureteral obstruction (UUO) mouse model. Additionally, TRPC6 overexpression may modify G2 phase transition, thus altering the DNA damage checkpoint, which can cause genomic instability and RCC tumorigenesis and can control the proliferation of RCC cells. This review highlights the importance of TRPC6 in various conditions of the renal tubular system. To better understand certain renal disorders and ultimately identify new therapeutic targets to improve patient care, the pathophysiology of TRPC6 must be clarified.
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Affiliation(s)
- Aiqin Sheng
- Department of Nephrology, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Fei Liu
- Department of Nephrology, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Qianhui Wang
- Department of Nephrology, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Haidong Fu
- Department of Nephrology, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jianhua Mao
- Department of Nephrology, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
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232
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Ahlström FH, Viisanen H, Karhinen L, Velagapudi V, Blomqvist KJ, Lilius TO, Rauhala PV, Kalso EA. Gene expression in the dorsal root ganglion and the cerebrospinal fluid metabolome in polyneuropathy and opioid tolerance in rats. IBRO Neurosci Rep 2024; 17:38-51. [PMID: 38933596 PMCID: PMC11201153 DOI: 10.1016/j.ibneur.2024.05.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 05/13/2024] [Accepted: 05/20/2024] [Indexed: 06/28/2024] Open
Abstract
First-line pharmacotherapy for peripheral neuropathic pain (NP) of diverse pathophysiology consists of antidepressants and gabapentinoids, but only a minority achieve sufficient analgesia with these drugs. Opioids are considered third-line analgesics in NP due to potential severe and unpredictable adverse effects in long-term use. Also, opioid tolerance and NP may have shared mechanisms, raising further concerns about opioid use in NP. We set out to further elucidate possible shared and separate mechanisms after chronic morphine treatment and oxaliplatin-induced and diabetic polyneuropathies, and to identify potential diagnostic markers and therapeutic targets. We analysed thermal nociceptive behaviour, the transcriptome of dorsal root ganglia (DRG) and the metabolome of cerebrospinal fluid (CSF) in these three conditions, in rats. Several genes were differentially expressed, most following oxaliplatin and least after chronic morphine treatment, compared with saline-treated rats. A few genes were differentially expressed in the DRGs in all three models (e.g. Csf3r and Fkbp5). Some, e.g. Alox15 and Slc12a5, were differentially expressed in both diabetic and oxaliplatin models. Other differentially expressed genes were associated with nociception, inflammation, and glial cells. The CSF metabolome was most significantly affected in the diabetic rats. Interestingly, we saw changes in nicotinamide metabolism, which has been associated with opioid addiction and withdrawal, in the CSF of morphine-tolerant rats. Our results offer new hypotheses for the pathophysiology and treatment of NP and opioid tolerance. In particular, the role of nicotinamide metabolism in opioid addiction deserves further study.
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Affiliation(s)
- Fredrik H.G. Ahlström
- Department of Pharmacology, Faculty of Medicine, Biomedicum 1, University of Helsinki, Haartmaninkatu 8, 00014, Finland
- Individualized Drug Therapy Research Programme, Faculty of Medicine, Biomedicum 1, University of Helsinki, Haartmaninkatu 8, 00014, Finland
| | - Hanna Viisanen
- Department of Pharmacology, Faculty of Medicine, Biomedicum 1, University of Helsinki, Haartmaninkatu 8, 00014, Finland
- Individualized Drug Therapy Research Programme, Faculty of Medicine, Biomedicum 1, University of Helsinki, Haartmaninkatu 8, 00014, Finland
| | - Leena Karhinen
- Department of Pharmacology, Faculty of Medicine, Biomedicum 1, University of Helsinki, Haartmaninkatu 8, 00014, Finland
| | - Vidya Velagapudi
- Metabolomics Unit, Institute for Molecular Medicine Finland FIMM, University of Helsinki, P.O. Box 20, FI-00014, Finland
| | - Kim J. Blomqvist
- Department of Pharmacology, Faculty of Medicine, Biomedicum 1, University of Helsinki, Haartmaninkatu 8, 00014, Finland
- Individualized Drug Therapy Research Programme, Faculty of Medicine, Biomedicum 1, University of Helsinki, Haartmaninkatu 8, 00014, Finland
| | - Tuomas O. Lilius
- Department of Pharmacology, Faculty of Medicine, Biomedicum 1, University of Helsinki, Haartmaninkatu 8, 00014, Finland
- Individualized Drug Therapy Research Programme, Faculty of Medicine, Biomedicum 1, University of Helsinki, Haartmaninkatu 8, 00014, Finland
- Department of Clinical Pharmacology, University of Helsinki and Helsinki University Hospital, Tukholmankatu 8C, 00014, Finland
- Department of Emergency Medicine and Services, University of Helsinki and HUS Helsinki University Hospital, Haartmaninkatu 4, Helsinki 00290, Finland
| | - Pekka V. Rauhala
- Department of Pharmacology, Faculty of Medicine, Biomedicum 1, University of Helsinki, Haartmaninkatu 8, 00014, Finland
- Individualized Drug Therapy Research Programme, Faculty of Medicine, Biomedicum 1, University of Helsinki, Haartmaninkatu 8, 00014, Finland
| | - Eija A. Kalso
- Department of Pharmacology, Faculty of Medicine, Biomedicum 1, University of Helsinki, Haartmaninkatu 8, 00014, Finland
- SleepWell Research Programme, Faculty of Medicine, , University of Helsinki, Haartmaninkatu 3, 00014, Finland
- Department of Anaesthesiology and Intensive Care Medicine, Helsinki University Hospital and University of Helsinki, HUS, Stenbäckinkatu 9, P.O. Box 440, 00029, Finland
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233
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Shangguan L, Ding M, Wang Y, Xu H, Liao B. Denosumab ameliorates osteoarthritis by protecting cartilage against degradation and modulating subchondral bone remodeling. Regen Ther 2024; 27:181-190. [PMID: 38840731 PMCID: PMC11150975 DOI: 10.1016/j.reth.2024.03.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 03/08/2024] [Accepted: 03/17/2024] [Indexed: 06/07/2024] Open
Abstract
Osteoarthritis (OA) is the most prevalent degenerative joint disease worldwide. Effective management for early-stage OA is crucial. Denosumab (DS) has been widely used to treat osteoporosis (OP) and rheumatoid arthritis, but its potential for managing OA remains clear. We assessed the effects of DS on osteoclast activity and chondrocyte apoptosis using tartrate-resistant acid phosphatase (TRAP) assay, quantitative real-time polymerase chain reaction (qRT-PCR), flow cytometry, and TUNEL staining. To assess the impact of DS on the NF-κB pathway, we performed Western blot and immunofluorescence staining. Additionally, we used an OA model to explore the influence of DS on subchondral bone remodeling and cartilage degeneration in vivo. We found that DS hindered receptor activator of nuclear factor kappa B ligand (RANKL)-induced osteoclastogenesis by inhibiting the activity of the NF-κB pathway. Besides, DS alleviated reactive oxygen species (ROS)-induced apoptosis in chondrocytes by regulating the expression of genes related to apoptosis. Moreover, we observed an attenuation of OA-related subchondral bone remodeling and cartilage degeneration in vivo. Our findings indicate that DS could effectively suppress osteoclast activity and chondrocyte apoptosis, thereby mitigating OA-related subchondral bone remodeling and cartilage degeneration. These results provide a mechanistic basis for using DS to treat OA.
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Affiliation(s)
- Lei Shangguan
- Department of Orthopedic Surgery, Xijing Hospital, The Fourth Military Medical University, Xi'an, China
| | - Ming Ding
- Department of Orthopedic Surgery, Xijing Hospital, The Fourth Military Medical University, Xi'an, China
| | - Yingchun Wang
- Department of Orthopedic Surgery, Xijing Hospital, The Fourth Military Medical University, Xi'an, China
| | - Hu Xu
- Department of Orthopedic Surgery, Xijing Hospital, The Fourth Military Medical University, Xi'an, China
| | - Binghui Liao
- Department of Orthopedic Surgery, Xijing Hospital, The Fourth Military Medical University, Xi'an, China
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234
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Nian F, Wang Y, Yang M, Zhang B. Identification the role of necroptosis in rheumatoid arthritis by WGCNA network. Autoimmunity 2024; 57:2358069. [PMID: 38869013 DOI: 10.1080/08916934.2024.2358069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Accepted: 05/16/2024] [Indexed: 06/14/2024]
Abstract
Rheumatoid arthritis (RA) is the predominant manifestation of inflammatory arthritis, distinguished by an increasing burden of morbidity and mortality. The intricate interplay of genes and signalling pathways involved in synovial inflammation in patients with RA remains inadequately comprehended. This study aimed to ascertain the role of necroptosis in RA, as along with their associations with immune cell infiltration. Differential expression analysis and weighted gene co-expression network analysis (WGCNA) were employed to identify central genes for RA. In this study, identified total of 28 differentially expressed genes (DEGs) were identified in RA. Utilising WGCNA, two co-expression modules were generated, with one module demonstrating the strongest correlation with RA. Through the integration of differential gene expression analysis, a total of 5 intersecting genes were discovered. These 5 hub genes, namely fused in sarcoma (FUS), transformer 2 beta homolog (TRA2B), eukaryotic translation elongation factor 2 (EEF2), cleavage and polyadenylation specific factor 6 (CPSF6) and signal transducer and activator of transcription 3 (STAT3) were found to possess significant diagnostic value as determined by receiver operating characteristic (ROC) curve analysis. The close association between the concentrations of various immune cells is anticipated to contribute to the diagnosis and treatment of RA. Furthermore, the infiltration of immune cells mentioned earlier is likely to exert a substantial influence on the initiation of this disease.
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Affiliation(s)
- Feige Nian
- Department of Rheumatology and Immunology, The Affiliated Hospital of Jiaxing University (The First Hospital of Jiaxing), Jiaxing, Zhejiang, China
- Jiaxing Key Laboratory of Osteoporosis and Bone Metabolism, The Affiliated Hospital of Jiaxing University (The First Hospital of Jiaxing), Jiaxing, Zhejiang, China
| | - Yiwen Wang
- Department of Rheumatology and Immunology, The Affiliated Hospital of Jiaxing University (The First Hospital of Jiaxing), Jiaxing, Zhejiang, China
- Jiaxing Key Laboratory of Osteoporosis and Bone Metabolism, The Affiliated Hospital of Jiaxing University (The First Hospital of Jiaxing), Jiaxing, Zhejiang, China
| | - Mingfeng Yang
- Department of Rheumatology and Immunology, The Affiliated Hospital of Jiaxing University (The First Hospital of Jiaxing), Jiaxing, Zhejiang, China
- Jiaxing Key Laboratory of Osteoporosis and Bone Metabolism, The Affiliated Hospital of Jiaxing University (The First Hospital of Jiaxing), Jiaxing, Zhejiang, China
| | - Bin Zhang
- Department of Rheumatology and Immunology, The Affiliated Hospital of Jiaxing University (The First Hospital of Jiaxing), Jiaxing, Zhejiang, China
- Jiaxing Key Laboratory of Osteoporosis and Bone Metabolism, The Affiliated Hospital of Jiaxing University (The First Hospital of Jiaxing), Jiaxing, Zhejiang, China
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235
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Mao S. Emerging role and the signaling pathways of uncoupling protein 2 in kidney diseases. Ren Fail 2024; 46:2381604. [PMID: 39090967 PMCID: PMC11299446 DOI: 10.1080/0886022x.2024.2381604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 06/18/2024] [Accepted: 07/13/2024] [Indexed: 08/04/2024] Open
Abstract
OBJECTIVES Uncoupling protein 2 (UCP2) was involved in the pathogenesis and development of kidney diseases. Many signaling pathways and factors regulate the expression of UCP2. We aimed to investigate the precise role of UCP2 and its signaling pathways in kidney diseases. METHODS We summarized the available evidence to yield a more detailed conclusion of the signal transduction pathways of UCP2 and its role in the development and progression of kidney diseases. RESULTS UCP2 could interact with 14.3.3 family proteins, mitochondrial phospholipase iPLA2γ, NMDAR, glucokinase, PPARγ2. There existed a signaling pathway between UCP2 and NMDAR, PPARγ. UCP2 can inhibit the ROS production, inflammatory response, and apoptosis, which may protect against renal injury, particularly AKI. Meanwhile UCP2 can decrease ATP production and inhibit the secretion of insulin, which may alleviate chronic renal damages, such as diabetic nephropathy and kidney fibrosis. CONCLUSIONS Homeostasis of UCP2 is helpful for kidney health. UCP2 may play different roles in different kinds of renal injury.
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Affiliation(s)
- Song Mao
- Department of Pediatrics, Shanghai Sixth People’s Hospital, Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
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236
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Gao X, Ma D, Mi L, Zhao J, An Q, Guo Z, Yang B, Zhang L, Xu K. Progress in the field of animal models of antiphospholipid syndrome. Autoimmunity 2024; 57:2391350. [PMID: 39155523 DOI: 10.1080/08916934.2024.2391350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 04/14/2024] [Accepted: 07/29/2024] [Indexed: 08/20/2024]
Abstract
Antiphospholipid syndrome (APS) is an autoimmune disease characterized by recurrent arteriovenous thrombosis and pathological pregnancy, accompanied by persistent antiphospholipid antibodies, (aPL). The incidence of APS is increasing year by year, clinicians lack of understanding of this type of disease, easy to misdiagnose and miss the diagnosis. Therefore, it is extremely important to establish a suitable animal model to reduce the process of disease development as much as possible and improve clinicians' understanding and understanding. This review will summarize the animal models of APS from the aspects of modeling methods, modeling mechanism, evaluation indicators and advantages and disadvantages of methods, providing a reference for finding an animal model highly similar to human APS, helping researchers to further clarify the pathogenesis of APS and find potential therapeutic targets, so as to achieve early diagnosis, early intervention, and ultimately improve the prognosis of patients.
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Affiliation(s)
- Xinnan Gao
- Third Hospital of Shanxi Medical University, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences,Tongji Shanxi Hospital, Taiyuan, China
| | - Dan Ma
- Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan, China
| | - Liangyu Mi
- Third Hospital of Shanxi Medical University, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences,Tongji Shanxi Hospital, Taiyuan, China
| | - Jingwen Zhao
- Third Hospital of Shanxi Medical University, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences,Tongji Shanxi Hospital, Taiyuan, China
| | - Qi An
- Third Hospital of Shanxi Medical University, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences,Tongji Shanxi Hospital, Taiyuan, China
| | - Zhiying Guo
- Third Hospital of Shanxi Medical University, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences,Tongji Shanxi Hospital, Taiyuan, China
| | - Baoqi Yang
- Third Hospital of Shanxi Medical University, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences,Tongji Shanxi Hospital, Taiyuan, China
| | - Liyun Zhang
- Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan, China
| | - Ke Xu
- Third Hospital of Shanxi Medical University, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences,Tongji Shanxi Hospital, Taiyuan, China
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237
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Hu Y, Zhou C, Zhong Q, Li X, Li J, Shi Y, Ma X, Jiang D, Wang Y, Zhuang S, Liu N. LCZ696, an angiotensin receptor-neprilysin inhibitor, ameliorates epithelial-mesenchymal transition of peritoneal mesothelial cells and M2 macrophage polarization. Ren Fail 2024; 46:2392849. [PMID: 39165231 PMCID: PMC11340223 DOI: 10.1080/0886022x.2024.2392849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Revised: 07/11/2024] [Accepted: 08/09/2024] [Indexed: 08/22/2024] Open
Abstract
AIMS To investigate the effects and mechanisms of LCZ696, an angiotensin receptor-neprilysin inhibitor (ARNI), on epithelial-mesenchymal transition (EMT) of peritoneal mesothelial cells and on macrophage M2 polarization. METHODS We examined the effects of LCZ696 in a 4.25% high glucose peritoneal dialysis fluid (PDF)-induced peritoneal fibrosis (PF) mouse model, and explored the mechanisms of LCZ696 on human peritoneal mesothelial cells (HPMCs) stimulated by TGF-β1 (5 ng/mL) and on Raw264.7 cells stimulated by IL-4 (10 ng/mL). To further elucidate the mechanism, we treated HPMCs with the conditioned medium of Raw264.7 cells. RESULTS LCZ696 effectively improved PF and inhibited the process of EMT in PDF mice. In vitro, LCZ696 also significantly alleviated the EMT of TGF-β1 induced HPMCs, although there was no statistically significant difference when compared to the Valsartan treatment group. Moreover, LCZ696 ameliorates the increased expression of Snail and Slug, two nuclear transcription factors that drive the EMT. Mechanistically, TGF-β1 increased the expression of TGFβRI, p-Smad3, p-PDGFRβ and p-EGFR, while treatment with LCZ696 abrogated the activation of TGF-β/Smad3, PDGFRβ and EGFR signaling pathways. Additionally, exposure of Raw264.7 to IL-4 results in increasing expression of Arginase-1, CD163 and p-STAT6. Treatment with LCZ696 inhibited IL-4-elicited M2 macrophage polarization by inactivating the STAT6 signaling pathway. Furthermore, we observed that LCZ696 inhibits EMT by blocking TGF-β1 secretion from M2 macrophages. CONCLUSION Our study demonstrated that LCZ696 improves PF and ameliorates TGF-β1-induced EMT of HPMCs by blocking TGF-β/Smad3, PDGFRβ and EGFR pathways. Meanwhile, LCZ696 also inhibits M2 macrophage polarization by regulating STAT6 pathway.
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Affiliation(s)
- Yan Hu
- Department of Nephrology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Canxin Zhou
- Department of Nephrology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Qin Zhong
- Department of Nephrology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Xialin Li
- Department of Nephrology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Jinqing Li
- Department of Nephrology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Yingfeng Shi
- Department of Nephrology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Xiaoyan Ma
- Department of Nephrology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Daofang Jiang
- Department of Nephrology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Yi Wang
- Department of Nephrology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Shougang Zhuang
- Department of Nephrology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
- Department of Medicine, Rhode Island Hospital and Alpert Medical School, Brown University, Providence, RI, USA
| | - Na Liu
- Department of Nephrology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
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238
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Mthethwa WS, Mampofu ZM, Mokwena MA, Ramoshaba NE. The relationship between mid-upper arm circumference and blood pressure in Walter Sisulu University community. Blood Press 2024; 33:2296904. [PMID: 38254330 DOI: 10.1080/08037051.2023.2296904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 12/13/2023] [Indexed: 01/24/2024]
Abstract
Prevalence of hypertension is increasing to higher levels in South Africa. Anthropometric measures for obesity are well known to predict the development of hypertension. However, the relationship between mid-upper arm circumference (MUAC) and blood pressure (BP) is scant in South African communities such as universities. Therefore, this study was aimed at investigating the correlation between MUAC and BP among the community of Walter Sisulu University (WSU). A total of 230 participants from WSU (students and staff members), 113 females and 117 males aged ≥ 18 years participated in this cross-sectional study. MUAC, systolic BP (SBP) and diastolic BP (DBP) were measured using standard procedures. In a Pearson's correlation analysis, MUAC was positively correlated with SBP and DBP in both women (SBP; r = 0.53, P< 0.001; DBP; r = 0.45 P < 0.001) and men (SBP; r = 0.29 P = 0.001; DBP; r = 0.25 P = 0.007). Furthermore, in the multivariable-adjusted regression analysis, MUAC was positively associated with SBP in women only (adjusted R2 = 0.489, β = 0.29 (95% CI = 0.16; 2.08)), P =0.023) after adjusted for age, body fat percentage, waist-to-height ratio, smoking and alcohol. MUAC is positively correlated with BP in women, not in men of WSU community. MUAC, as a simple and low-cost quantifiable parameter, could be employed as a risk indicator in the early detection and prevention of cardiovascular diseases (CVDs) in women.
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Affiliation(s)
- Wenzile S Mthethwa
- Department of Human Biology, Walter Sisulu University, Nelson Mandela Drive, Mthatha5117, South Africa
| | - Zuqaqambe M Mampofu
- Department of Human Biology, Walter Sisulu University, Nelson Mandela Drive, Mthatha5117, South Africa
| | - Madigoahle A Mokwena
- Department of Human Biology, Walter Sisulu University, Nelson Mandela Drive, Mthatha5117, South Africa
| | - Nthai E Ramoshaba
- Department of Human Biology, Walter Sisulu University, Nelson Mandela Drive, Mthatha5117, South Africa
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239
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Coutant F, Touret F, Pin JJ, Alonzo M, Baronti C, Munier S, Attia M, de Lamballerie X, Ferry T, Miossec P. Neutralizing and enhancing monoclonal antibodies in SARS-CoV-2 convalescent patients: lessons from early variant infection and impact on shaping emerging variants. Emerg Microbes Infect 2024; 13:2307510. [PMID: 38240255 PMCID: PMC10829827 DOI: 10.1080/22221751.2024.2307510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Accepted: 01/16/2024] [Indexed: 02/01/2024]
Abstract
Serological studies of COVID-19 convalescent patients have identified polyclonal lineage-specific and cross-reactive antibodies (Abs), with varying effector functions against virus variants. Individual specificities of anti-SARS-CoV-2 Abs and their impact on infectivity by other variants have been little investigated to date. Here, we dissected at a monoclonal level neutralizing and enhancing Abs elicited by early variants and how they affect infectivity of emerging variants. B cells from 13 convalescent patients originally infected by D614G or Alpha variants were immortalized to isolate 445 naturally-produced anti-SARS-CoV-2 Abs. Monoclonal antibodies (mAbs) were tested for their abilities to impact the cytopathic effect of D614G, Delta, and Omicron (BA.1) variants. Ninety-eight exhibited robust neutralization against at least one of the three variant types, while 309 showed minimal or no impact on infectivity. Thirty-eight mAbs enhanced infectivity of SARS-CoV-2. Infection with D614G/Alpha variants generated variant-specific (65 neutralizing Abs, 35 enhancing Abs) and cross-reactive (18 neutralizing Abs, 3 enhancing Abs) mAbs. Interestingly, among the neutralizing mAbs with cross-reactivity restricted to two of the three variants tested, none demonstrated specific neutralization of the Delta and Omicron variants. In contrast, cross-reactive mAbs enhancing infectivity (n = 3) were found exclusively specific to Delta and Omicron variants. Notably, two mAbs that amplified in vitro the cytopathic effect of the Delta variant also exhibited neutralization against Omicron. These findings shed light on functional diversity of cross-reactive Abs generated during SARS-CoV-2 infection and illustrate how the balance between neutralizing and enhancing Abs facilitate variant emergence.
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Affiliation(s)
- Frédéric Coutant
- Immunogenomics and Inflammation Research Team, University of Lyon, Edouard Herriot Hospital, Lyon, France
- Immunology Department, Lyon-Sud Hospital, Hospices Civils of Lyon, Pierre-Bénite, France
| | - Franck Touret
- Unité des Virus Émergents (UVE: Aix-Marseille University - IRD 190 - Inserm 1207), Marseille, France
| | - Jean-Jacques Pin
- Eurobio Scientific/Dendritics – Edouard Herriot Hospital, Lyon, France
| | - Marina Alonzo
- Immunogenomics and Inflammation Research Team, University of Lyon, Edouard Herriot Hospital, Lyon, France
| | - Cécile Baronti
- Unité des Virus Émergents (UVE: Aix-Marseille University - IRD 190 - Inserm 1207), Marseille, France
| | - Sandie Munier
- Institut Pasteur, Université Paris Cité, CNRS UMR3569, Molecular Genetics of RNA Viruses Unit, Paris, France
| | - Mikaël Attia
- Institut Pasteur, Université Paris Cité, CNRS UMR3569, Molecular Genetics of RNA Viruses Unit, Paris, France
| | - Xavier de Lamballerie
- Unité des Virus Émergents (UVE: Aix-Marseille University - IRD 190 - Inserm 1207), Marseille, France
| | - Tristan Ferry
- Department of Infectious and Tropical Diseases, Hospices Civils of Lyon - Croix-Rousse Hospital, Lyon, France
- CIRI, Inserm U1111, CNRS, UMR5308, ENS Lyon, Université Claude Bernard Lyon I, Lyon, France
| | - Pierre Miossec
- Immunogenomics and Inflammation Research Team, University of Lyon, Edouard Herriot Hospital, Lyon, France
- Department of Immunology and Rheumatology, Edouard Herriot Hospital, Lyon, France
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240
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Sann S, Kleinewietfeld M, Cantaert T. Balancing functions of regulatory T cells in mosquito-borne viral infections. Emerg Microbes Infect 2024; 13:2304061. [PMID: 38192073 PMCID: PMC10812859 DOI: 10.1080/22221751.2024.2304061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Accepted: 01/07/2024] [Indexed: 01/10/2024]
Abstract
Mosquito-borne viral infections are on the rise worldwide and can lead to severe symptoms such as haemorrhage, encephalitis, arthritis or microcephaly. A protective immune response following mosquito-borne viral infections requires the generation of a controlled and balanced immune response leading to viral clearance without immunopathology. Here, regulatory T cells play a central role in restoring immune homeostasis. In current review, we aim to provide an overview and summary of the phenotypes of FOXP3+ Tregs in various mosquito-borne arboviral disease, their association with disease severity and their functional characteristics. Furthermore, we discuss the role of cytokines and Tregs in the immunopathogenesis of mosquito-borne infections. Lastly, we discuss possible novel lines of research which could provide additional insight into the role of Tregs in mosquito-borne viral infections in order to develop novel therapeutic approaches or vaccination strategies.
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Affiliation(s)
- Sotheary Sann
- Immunology Unit, Institut Pasteur du Cambodge, Pasteur Network, Phnom Penh, Cambodia
- Department of Immunology, Biomedical Research Institute, Hasselt University, Diepenbeek, Belgium
| | - Markus Kleinewietfeld
- Department of Immunology, Biomedical Research Institute, Hasselt University, Diepenbeek, Belgium
- VIB Laboratory of Translational Immunomodulation, VIB Center for Inflammation Research (IRC), Hasselt University, Diepenbeek, Belgium
| | - Tineke Cantaert
- Immunology Unit, Institut Pasteur du Cambodge, Pasteur Network, Phnom Penh, Cambodia
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241
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Deviers J, Cailliez F, de la Lande A, Kattnig DR. Avian cryptochrome 4 binds superoxide. Comput Struct Biotechnol J 2024; 26:11-21. [PMID: 38204818 PMCID: PMC10776438 DOI: 10.1016/j.csbj.2023.12.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 12/06/2023] [Accepted: 12/12/2023] [Indexed: 01/12/2024] Open
Abstract
Flavin-binding cryptochromes are blue-light sensitive photoreceptors that have been implicated with magnetoreception in some species. The photocycle involves an intra-protein photo-reduction of the flavin cofactor, generating a magnetosensitive radical pair, and its subsequent re-oxidation. Superoxide (O2 • - ) is generated in the re-oxidation with molecular oxygen. The resulting O2 • - -containing radical pairs have also been hypothesised to underpin various magnetosensitive traits, but due to fast spin relaxation when tumbling in solution would require immobilisation. We here describe our insights in the binding of superoxide to cryptochrome 4 from C. livia based on extensive all-atom molecular dynamics studies and density-functional theory calculations. The positively charged "crypt" region that leads to the flavin binding pocket transiently binds O2 • - at 5 flexible binding sites centred on arginine residues. Typical binding times amounted to tens of nanoseconds, but exceptional binding events extended to several hundreds of nanoseconds and slowed the rotational diffusion, thereby realising rotational correlation times as large as 1 ns. The binding sites are particularly efficient in scavenging superoxide escaping from a putative generation site close to the flavin-cofactor, possibly implying a functional relevance. We discuss our findings in view of a potential magnetosensitivity of biological flavin semiquinone/superoxide radical pairs.
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Affiliation(s)
- Jean Deviers
- Living Systems Institute and Department of Physics, University of Exeter, Stocker Road, Exeter, Devon, EX4 4QD, United Kingdom
- Institut de Chimie Physique, CNRS UMR 8000, Université Paris-Saclay, 91405 Orsay, France
| | - Fabien Cailliez
- Institut de Chimie Physique, CNRS UMR 8000, Université Paris-Saclay, 91405 Orsay, France
| | - Aurélien de la Lande
- Institut de Chimie Physique, CNRS UMR 8000, Université Paris-Saclay, 91405 Orsay, France
| | - Daniel R. Kattnig
- Living Systems Institute and Department of Physics, University of Exeter, Stocker Road, Exeter, Devon, EX4 4QD, United Kingdom
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242
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Akkaya Fırat A, Özel A, Davutoğlu EA, Güngör ZB, Madazlı R. Maternal serum interleukin-1β, FoxO1 and Sestrin2 levels in predicting preterm delivery. J Matern Fetal Neonatal Med 2024; 37:2295807. [PMID: 38105533 DOI: 10.1080/14767058.2023.2295807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 12/12/2023] [Indexed: 12/19/2023]
Abstract
The study aimed to investigate whether serum IL-1β, FoxO1and Sesn2 concentrations differed between threatened preterm labor (TPL) and uncomplicated pregnancies. This study was conducted on 54 women with TPL pregnancies and 26 healthy pregnant women. The TPL group was further divided into two subgroups according to the gestational age at delivery. Patients who gave birth within 48-72 hours after the hospitalization were referred to as preterm delivery (PD) and those who gave birth at ≥37 weeks were referred to as term delivery (TD). Maternal levels of serum IL-1β, FoxO1 and Sesn2 were measured with the use of enzyme-linked immunosorbent assay kits. The mean maternal serum IL-1β and FoxO1 of PD were significantly higher than TD (p<.000*) and the control group (p < .000*). The mean maternal serum IL-1β, FoxO1 level of TD was significantly higher than the control group (p<.000*). The mean maternal serum Sesn2 levels of TD and the control group were significantly higher than the preterm group (p<.000*). The mean maternal serum Sesn2 level of the control group was significantly higher than the TD group (p <.000*). A negative correlation was found between serum concentration of serum IL-1β, and FoxO1 with the gestational week of delivery (r= -0.722, p< .000*for, IL-1β; r = -0.625, p < .000* for FoxO1). A positive correlation was found between the serum concentration of serum Sesn2 with the gestational week of delivery (r = 0.507, p<.000* for sesn2). High serum IL-1β, FoxO1 levels, and low Sesn2 levels may have the potential to be used as biomarkers for the differentiation of PD and TD.
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Affiliation(s)
- Asuman Akkaya Fırat
- Department of Medical Biochemistry, Istanbul University Cerrahpasa Faculty of Medicine, Istanbul, Türkiye
| | - Aysegül Özel
- Department of Obstetrics and Gynecology, Perinatology Clinic, Istanbul University Cerrahpasa Faculty of Medicine, Istanbul, Türkiye
| | - Ebru Alıcı Davutoğlu
- Department of Obstetrics and Gynecology, Perinatology Clinic, Istanbul University Cerrahpasa Faculty of Medicine, Istanbul, Türkiye
| | - Zeynep Banu Güngör
- Department of Medical Biochemistry, Istanbul University Cerrahpasa Faculty of Medicine, Istanbul, Türkiye
| | - Rıza Madazlı
- Department of Obstetrics and Gynecology, Perinatology Clinic, Istanbul University Cerrahpasa Faculty of Medicine, Istanbul, Türkiye
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243
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Fuchioka Y, Endo K, Sakamaki Y, Tanimoto T, Ozeki N, Nakagawa Y, Koga H, Tomita M, Sekiya I. Scanning electron microscopy analysis of synovial and adipose mesenchymal stem cells adhering to cartilage. Regen Ther 2024; 27:488-495. [PMID: 38756702 PMCID: PMC11096720 DOI: 10.1016/j.reth.2024.04.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 03/30/2024] [Accepted: 04/25/2024] [Indexed: 05/18/2024] Open
Abstract
Introduction Mesenchymal stem cells (MSCs) are increasingly used for intra-articular injections in the treatment of knee osteoarthritis. The aim of this study was to use scanning electron microscopy (SEM) to compare the morphological characteristics of synovial and adipose MSCs. Methods Synovium and adipose tissues were concurrently harvested from eight patients with knee osteoarthritis. Suspensions of both synovial and adipose MSCs were examined to identify the presence of microspikes. In addition to this study, the MSC suspensions in four patients were applied to abraded porcine cartilage discs and observed 10 s, 10 min, and 1 h later. Results The median percentage of cells exhibiting microspikes was 14% for synovial MSC suspensions and 13% for adipose MSC suspensions; this difference was not statistically significant (n = 8). No notable differences were detected in the number of adherent cells or in the proportion of cells displaying microspikes or pseudopodia. Strong correlations were found between the proportion of cells with pseudopodia and the number of attached cells for both synovial (r = 0.92, n = 12) and adipose (r = 0.86, n = 12) MSCs, with no significant difference in the correlation coefficients between the two groups. Conclusion SEM analysis revealed no obvious differences in morphological characteristics during MSC adhesion to cartilage for either synovial or adipose MSCs.
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Affiliation(s)
- Yusuke Fuchioka
- Center for Stem Cell and Regenerative Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Kentaro Endo
- Center for Stem Cell and Regenerative Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Yuriko Sakamaki
- Research Core, Tokyo Medical and Dental University, Tokyo, Japan
| | - Takahiro Tanimoto
- Center for Stem Cell and Regenerative Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Nobutake Ozeki
- Center for Stem Cell and Regenerative Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Yusuke Nakagawa
- Department of Joint Surgery and Sports Medicine, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Hideyuki Koga
- Department of Joint Surgery and Sports Medicine, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Makoto Tomita
- School of Data Science, Graduate School of Data Science, Yokohama City University, Kanagawa, Japan
| | - Ichiro Sekiya
- Center for Stem Cell and Regenerative Medicine, Tokyo Medical and Dental University, Tokyo, Japan
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244
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Wang Z, Li R, Yang G, Wang Y. Cancer stem cell biomarkers and related signalling pathways. J Drug Target 2024; 32:33-44. [PMID: 38095181 DOI: 10.1080/1061186x.2023.2295222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Accepted: 12/10/2023] [Indexed: 12/20/2023]
Abstract
Cancer stem cells (CSCs) represent a distinct subset of neoplastic cells characterised by their heightened capacity for tumorigenesis. These cells are implicated in the facilitation of cancer metastasis, recurrence, and resistance to conventional therapeutic interventions. Extensive scientific research has been devoted to the identification of biomarkers and the elucidation of molecular mechanisms in order to improve targeted therapeutic approaches. Accurate identification of cancer stem cells based on biomarkers can provide a theoretical basis for drug combinations of malignant tumours. Targeted biomarker-based therapies also offer a silver lining for patients with advanced malignancies. This review aims comprehensively to consolidate the latest findings on CSCs biomarkers, targeted agents as well as biomarkers associated signalling pathways in well-established cancer types, thereby contributing to improved prognostic outcomes.
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Affiliation(s)
- Zhe Wang
- School of Medicine, Southern University of Science and Technology, Shenzhen, China
- Department of Infectious Disease, The First Affiliated Hospital, Southern University of Science and Technology, Shenzhen, China
| | - Rui Li
- School of Medicine, Southern University of Science and Technology, Shenzhen, China
| | - Guilin Yang
- Department of Infectious Disease, The First Affiliated Hospital, Southern University of Science and Technology, Shenzhen, China
| | - Yijin Wang
- School of Medicine, Southern University of Science and Technology, Shenzhen, China
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245
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Zhong Z, Ye Y, Xia L, Na N. Identification of RNA-binding protein genes associated with renal rejection and graft survival. Ren Fail 2024; 46:2360173. [PMID: 38874084 PMCID: PMC11182075 DOI: 10.1080/0886022x.2024.2360173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Accepted: 05/21/2024] [Indexed: 06/15/2024] Open
Abstract
Rejection is one of the major factors affecting the long-term prognosis of kidney transplantation, and timely recognition and aggressive treatment of rejection is essential to prevent disease progression. RBPs are proteins that bind to RNA to form ribonucleoprotein complexes, thereby affecting RNA stability, processing, splicing, localization, transport, and translation, which play a key role in post-transcriptional gene regulation. However, their role in renal transplant rejection and long-term graft survival is unclear. The aim of this study was to comprehensively analyze the expression of RPBs in renal rejection and use it to construct a robust prediction strategy for long-term graft survival. The microarray expression profiles used in this study were obtained from GEO database. In this study, a total of eight hub RBPs were identified, all of which were upregulated in renal rejection samples. Based on these RBPs, the renal rejection samples could be categorized into two different clusters (cluster A and cluster B). Inflammatory activation in cluster B and functional enrichment analysis showed a strong association with rejection-related pathways. The diagnostic prediction model had a high diagnostic accuracy for T cell mediated rejection (TCMR) in renal grafts (area under the curve = 0.86). The prognostic prediction model effectively predicts the prognosis and survival of renal grafts (p < .001) and applies to both rejection and non-rejection situations. Finally, we validated the expression of hub genes, and patient prognosis in clinical samples, respectively, and the results were consistent with the above analysis.
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Affiliation(s)
- Zhaozhong Zhong
- Department of Kidney Transplantation, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Yongrong Ye
- Department of Kidney Transplantation, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Liubing Xia
- Department of Kidney Transplantation, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Ning Na
- Department of Kidney Transplantation, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
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246
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Peng Y, Pan M, Wang Y, Shen Z, Xu J, Xiong F, Xiao H, Miao Y. Identification of a novel nonsense mutation in α-galactosidase A that causes Fabry disease in a Chinese family. Ren Fail 2024; 46:2362391. [PMID: 38847497 PMCID: PMC11164125 DOI: 10.1080/0886022x.2024.2362391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Accepted: 05/28/2024] [Indexed: 06/12/2024] Open
Abstract
Fabry disease, a lysosomal storage disease, is an uncommon X-linked recessive genetic disorder stemming from abnormalities in the alpha-galactosidase gene (GLA) that codes human alpha-Galactosidase A (α-Gal A). To date, over 800 GLA mutations have been found to cause Fabry disease (FD). Continued enhancement of the GLA mutation spectrum will contribute to a deeper recognition and underlying mechanisms of FD. In this study, a 27-year-old male proband exhibited a typical phenotype of Fabry disease. Subsequently, family screening for Fabry disease was conducted, and high-throughput sequencing was employed to identify the mutated gene. The three-level structure of the mutated protein was analyzed, and its subcellular localization and enzymatic activity were determined. Apoptosis was assessed in GLA mutant cell lines to confirm the functional effects. As a result, a new mutation, c.777_778del (p. Gly261Leufs*3), in the GLA gene was identified. The mutation caused a frameshift during translation and the premature appearance of a termination codon, which led to a partial deletion of the domain in C-terminal region and altered the protein's tertiary structure. In vitro experiments revealed a significant reduction of the enzymatic activity in mutant cells. The expression was noticeably decreased at the mRNA and protein levels in mutant cell lines. Additionally, the subcellular localization of α-Gal A changed from a homogeneous distribution to punctate aggregation in the cytoplasm. GLA mutant cells exhibited significantly higher levels of apoptosis compared to wild-type cells.
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Affiliation(s)
- Yushi Peng
- Department of Transplantation, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Meize Pan
- Department of Nephrology, Peking University Shenzhen Hospital, Shenzhen, Guangdong, China
| | - Yuchen Wang
- Department of Transplantation, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Zongrui Shen
- Department of Medical Genetics, Experimental Education/Administration Center, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, China
| | - Jian Xu
- Department of Transplantation, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Fu Xiong
- Department of Medical Genetics, Experimental Education/Administration Center, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, China
- Guangdong Provincial Key Laboratory of Single Cell Technology and Application, Guangzhou, Guangdong, China
- Department of Fetal Medicine and Prenatal Diagnosis, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Hongbo Xiao
- Department of Nephrology, Peking University Shenzhen Hospital, Shenzhen, Guangdong, China
| | - Yun Miao
- Department of Transplantation, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
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247
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Wang B, Xu M, Fu S, Wang Y, Ling H, Li Y, Li B, Liu X, Ouyang Q, Zhang X, Li A, Zhang X, Liu M. Tiny clue reveals the general trend: a bibliometric and visualized analysis of renal microcirculation. Ren Fail 2024; 46:2329249. [PMID: 38482598 PMCID: PMC10946277 DOI: 10.1080/0886022x.2024.2329249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Accepted: 03/06/2024] [Indexed: 03/20/2024] Open
Abstract
BACKGROUND Renal microcirculation plays a pivotal role in kidney function by maintaining structural and functional integrity, facilitating oxygen and nutrient delivery, and waste removal. However, a thorough bibliometric analysis in this area remains lacking. Therefore, we aim to provide valuable insights through a bibliometric analysis of renal microcirculation literature using the Web of Science database. METHODS We collected renal microcirculation-related publications from the Web of Science database from January 01, 1990, to December 31, 2022. The co-authorship of authors, organizations, and countries/regions was analyzed with VOSviewer1.6.18. The co-occurrence of keywords and co-cited references were analyzed using CiteSpace6.1.R6 software to generate visualization maps. Additionally, burst detection was applied to keywords and cited references to forecast research hotspots and future trends. RESULTS Our search yielded 7462 publications, with the American Journal of Physiology-Renal Physiology contributing the most articles. The United States, Mayo Clinic, and Lerman Lilach O emerged with the highest publication count, indicating their active collaborations. 'Type 2 diabetes' was the most significant keyword cluster, and 'diabetic kidney disease' was the largest cluster of cited references. 'Cardiovascular outcome' and 'diabetic kidney diseases' were identified as keywords in their burst period over the past three years. CONCLUSION Our bibliometric analysis illuminates the contours of nephrology and microcirculation research, revealing a landscape ripe for challenges and the seeds of future scientific innovation. While the trends discerned from the literature emerging opportunities in diagnostic innovation, renal microcirculation research, and precision medicine interventions, their translation to clinical practice is anticipated to be a deliberate process.
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Affiliation(s)
- Bing Wang
- Institute of Microcirculation, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- International Center of Microvascular Medicine, Chinese Academy of Medical Sciences, Beijing, China
| | - Mengting Xu
- Institute of Microcirculation, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- International Center of Microvascular Medicine, Chinese Academy of Medical Sciences, Beijing, China
| | - Sunjing Fu
- Institute of Microcirculation, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- International Center of Microvascular Medicine, Chinese Academy of Medical Sciences, Beijing, China
| | - Yingyu Wang
- Institute of Microcirculation, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- International Center of Microvascular Medicine, Chinese Academy of Medical Sciences, Beijing, China
| | - Hao Ling
- Department of Radiology, The Affiliated Changsha Central Hospital, Hengyang Medical School, University of South China, Changsha, China
| | - Yuan Li
- Institute of Microcirculation, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- International Center of Microvascular Medicine, Chinese Academy of Medical Sciences, Beijing, China
| | - Bingwei Li
- Institute of Microcirculation, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- International Center of Microvascular Medicine, Chinese Academy of Medical Sciences, Beijing, China
| | - Xueting Liu
- Institute of Microcirculation, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- International Center of Microvascular Medicine, Chinese Academy of Medical Sciences, Beijing, China
| | - Qin Ouyang
- Department of Pathology, Wangjing Hospital, China Academy of Chinese Medical Science, Beijing, China
| | - Xiaoyan Zhang
- Institute of Microcirculation, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- International Center of Microvascular Medicine, Chinese Academy of Medical Sciences, Beijing, China
| | - Ailing Li
- Institute of Microcirculation, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- International Center of Microvascular Medicine, Chinese Academy of Medical Sciences, Beijing, China
| | - Xu Zhang
- Laboratory of Electron Microscopy, Ultrastructural Pathology Center, Peking University First Hospital, Beijing, China
| | - Mingming Liu
- Institute of Microcirculation, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- International Center of Microvascular Medicine, Chinese Academy of Medical Sciences, Beijing, China
- Diabetes Research Center, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
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El Osmani N, Prévostel C, Picque Lasorsa L, El Harakeh M, Radwan Z, Mawlawi H, El Sabban M, Shirinian M, Dassouki Z. Vitamin C enhances co-localization of novel TET1 nuclear bodies with both Cajal and PML bodies in colorectal cancer cells. Epigenetics 2024; 19:2337142. [PMID: 38583183 PMCID: PMC11000620 DOI: 10.1080/15592294.2024.2337142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 03/26/2024] [Indexed: 04/09/2024] Open
Abstract
Deregulation of ten-eleven Translocation protein 1 (TET1) is commonly reported to induce imbalances in gene expression and subsequently to colorectal cancer development (CRC). On the other hand, vitamin C (VitC) improves the prognosis of colorectal cancer by reprogramming the cancer epigenome and limiting chemotherapeutic drug resistance events. In this study, we aimed to characterize TET1-specific subcellular compartments and evaluate the effect of VitC on TET1 compartmentalization in colonic tumour cells. We demonstrated that TET1 is concentrated in coarse nuclear bodies (NB) and 5-hydroxymethylcytosine (5hmC) in foci in colorectal cancer cells (HCT116, Caco-2, and HT-29). To our knowledge, this is the first report of a novel intracellular localization profile of TET1 and its demethylation marker, 5hmC, in CRC cells. Interestingly, we found that TET1-NBs frequently interacted with Cajal bodies, but not with promyelocytic leukaemia (PML) bodies. In addition, we report that VitC treatment of HCT116 cells induces 5hmC foci biogenesis and triggers 5hmC marks to form active complexes with nuclear body components, including both Cajal and PML proteins. Our data highlight novel NB-concentrating TET1 in CRC cells and demonstrate that VitC modulates TET1-NBs' interactions with other nuclear structures. These findings reveal novel TET1-dependent cellular functions and potentially provide new insights for CRC management.
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Affiliation(s)
- Nour El Osmani
- IRCM, Institut de Recherche en Cancérologie de Montpellier, Montpellier, France
- Université de Montpellier, Montpellier, France
- Laboratory of Applied Biotechnology (LBA3B), AZM Center for Research in Biotechnology and its Applications, Doctoral School for Sciences and Technology, Tripoli, Lebanon
| | - Corinne Prévostel
- IRCM, Institut de Recherche en Cancérologie de Montpellier, Montpellier, France
- Université de Montpellier, Montpellier, France
- INSERM, Montpellier, France
- ICM, Institut régional du Cancer de Montpellier, Montpellier, France
| | - Laurence Picque Lasorsa
- IRCM, Institut de Recherche en Cancérologie de Montpellier, Montpellier, France
- Université de Montpellier, Montpellier, France
- INSERM, Montpellier, France
- ICM, Institut régional du Cancer de Montpellier, Montpellier, France
| | - Mohammad El Harakeh
- Department of Anatomy, Cell Biology, and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - Zeina Radwan
- Department of Anatomy, Cell Biology, and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - Hiba Mawlawi
- Laboratory of Applied Biotechnology (LBA3B), AZM Center for Research in Biotechnology and its Applications, Doctoral School for Sciences and Technology, Tripoli, Lebanon
- Faculty of Public Health, Lebanese University, Tripoli, Lebanon
| | - Marwan El Sabban
- Department of Anatomy, Cell Biology, and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - Margret Shirinian
- Department of Experiment Pathology, Immunology, and Microbiology, American University of Beirut, Faculty of Medicine, Beirut, Lebanon
| | - Zeina Dassouki
- Laboratory of Applied Biotechnology (LBA3B), AZM Center for Research in Biotechnology and its Applications, Doctoral School for Sciences and Technology, Tripoli, Lebanon
- Department of Medical Laboratory Sciences, University of Balamand, Faculty of Health Sciences, Tripoli, Lebanon
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249
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Gong B, Qu T, Zhang J, Jia Y, Song Z, Chen C, Yang J, Wang C, Liu Y, Jin Y, Cao W, Zhao Q. Downregulation of ABLIM3 confers to the metastasis of neuroblastoma via regulating the cell adhesion molecules pathway. Comput Struct Biotechnol J 2024; 23:1547-1561. [PMID: 38645433 PMCID: PMC11031727 DOI: 10.1016/j.csbj.2024.04.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 03/30/2024] [Accepted: 04/07/2024] [Indexed: 04/23/2024] Open
Abstract
Neuroblastoma (NB) is the most prevalent extracranial solid tumor in pediatric patients, and its treatment failure often associated with metastasis. In this study, LASSO, SVM-RFE, and random forest tree algorithms, was used to identify the pivotal gene involved in NB metastasis. NB cell lines (SK-N-AS and SK-N-BE2), in conjunction with NB tissue were used for further study. ABLIM3 was identified as the hub gene and can be an independent prognostic factor for patients with NB. The immunohistochemical analysis revealed that ABLIM3 is negatively correlated with the metastasis of NB. Patients with low expression of ABLIM3 had a poor prognosis. High ABLIM3 expression correlated with APC co-stimulation and Type1 IFN response, and TIDE analysis indicated that patients with low ABLIM3 expression exhibited enhanced responses to immunotherapy. Downregulation of ABLIM3 by shRNA transfection increased the migration and invasion ability of NB cells. Gene Set Enrichment Analysis (GSEA) revealed that genes associated with ABLIM3 were primarily enriched in the cell adhesion molecules (CAMs) pathway. RT-qPCR and western blot analyses demonstrated that downregulation of ABLIM3 led to decreased expression of ITGA3, ITGA8, and KRT19, the key components of CAMs. This study indicated that ABLIM3 can be an independent prognostic factor for NB patients, and CAMs may mediate the effect of ABLIM3 on the metastasis of NB, suggesting that ABLIM3 is a potential therapeutic target for NB metastasis, which provides a novel strategy for future research and treatment strategies for NB patients.
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Affiliation(s)
- Baocheng Gong
- Department of Pediatric Oncology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin’s Clinical Research Center for Cancer, Tianjin, China
| | - Tongyuan Qu
- Department of Pediatric Oncology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin’s Clinical Research Center for Cancer, Tianjin, China
- Department of Pathology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin’s Clinical Research Center for Cancer, Tianjin, China
| | - Jiaojiao Zhang
- Department of Pathology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin’s Clinical Research Center for Cancer, Tianjin, China
| | - Yubin Jia
- Department of Pediatric Oncology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin’s Clinical Research Center for Cancer, Tianjin, China
| | - Zian Song
- Department of Pediatric Oncology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin’s Clinical Research Center for Cancer, Tianjin, China
| | - Chong Chen
- Department of Clinical Laboratory, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China
| | - Jiaxing Yang
- Department of Pediatric Oncology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin’s Clinical Research Center for Cancer, Tianjin, China
| | - Chaoyu Wang
- Department of Pediatric Oncology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin’s Clinical Research Center for Cancer, Tianjin, China
| | - Yun Liu
- Department of Pathology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin’s Clinical Research Center for Cancer, Tianjin, China
| | - Yan Jin
- Department of Pediatric Oncology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin’s Clinical Research Center for Cancer, Tianjin, China
| | - Wenfeng Cao
- Department of Pathology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin’s Clinical Research Center for Cancer, Tianjin, China
| | - Qiang Zhao
- Department of Pediatric Oncology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin’s Clinical Research Center for Cancer, Tianjin, China
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250
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Carazo A, Hrubša M, Konečný L, Gunaseelan C, Fadraersada J, Skořepa P, Paclíková M, Musil F, Karlíčková J, Javorská L, Matoušová K, Kujovská Krčmová L, Šmahelová A, Blaha V, Mladenka P. Correlations among different platelet aggregation pathways in a group of healthy volunteers. Platelets 2024; 35:2336093. [PMID: 38602464 DOI: 10.1080/09537104.2024.2336093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Accepted: 03/21/2024] [Indexed: 04/12/2024]
Abstract
Platelet aggregation is a complicated process mediated by different signaling pathways. As the process is highly complex and apparently redundant, the relationships between these pathways are not yet fully known. The aim of this project was to study the interconnections among seven different aggregation pathways in a group of 53 generally healthy volunteers aged 20 to 66 years. Platelet aggregation was induced with thrombin receptor activating peptide 6 (TRAP), arachidonic acid (AA), platelet activating factor 16 (PAF), ADP, collagen, thromboxane A2 analogue U46619 or ristocetin (platelet agglutination) ex vivo in fasting blood samples according to standardized timetable protocol. Additionally, some samples were pre-treated with known clinically used antiplatelet drugs (vorapaxar, ticagrelor or acetylsalicylic acid (ASA)). Significant correlations among all used inducers were detected (Pearson correlation coefficients (rP): 0.3 to 0.85). Of all the triggers, AA showed to be the best predictor of the response to other inducers with rP ranging from 0.66 to 0.85. Interestingly, the antiplatelet response to ticagrelor strongly predicted the response to unrelated drug vorapaxar (rP = 0.71). Our results indicate that a response to one inducer can predict the response for other triggers or even to an antiplatelet drug. These data are useful for future testing but should be also confirmed in patients.
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Affiliation(s)
- Alejandro Carazo
- Department of Pharmacology and Toxicology, Faculty of Pharmacy in Hradec Králové, Charles University, Hradec Králové, Czech Republic
| | - Marcel Hrubša
- Department of Pharmacology and Toxicology, Faculty of Pharmacy in Hradec Králové, Charles University, Hradec Králové, Czech Republic
| | - Lukáš Konečný
- Department of Pharmacology and Toxicology, Faculty of Pharmacy in Hradec Králové, Charles University, Hradec Králové, Czech Republic
| | - Catherine Gunaseelan
- Department of Pharmacology and Toxicology, Faculty of Pharmacy in Hradec Králové, Charles University, Hradec Králové, Czech Republic
| | - Jaka Fadraersada
- Department of Pharmacology and Toxicology, Faculty of Pharmacy in Hradec Králové, Charles University, Hradec Králové, Czech Republic
| | - Pavel Skořepa
- 3rd Department of Internal Medicine-Metabolic Care and Gerontology, University Hospital and Faculty of Medicine in Hradec Králové, Charles University, Hradec Králové, Czech Republic
- Department of Military Internal Medicine and Military Hygiene, Faculty of Military Health Sciences, University of Defence, Hradec Králové, Czech Republic
| | - Markéta Paclíková
- 3rd Department of Internal Medicine-Metabolic Care and Gerontology, University Hospital and Faculty of Medicine in Hradec Králové, Charles University, Hradec Králové, Czech Republic
| | - František Musil
- Department of Occupational Medicine, University Hospital and Faculty of Medicine in Hradec Kralove, Charles University, Hradec Králové, Czech Republic
| | - Jana Karlíčková
- Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmacy in Hradec Králové, Charles University, Hradec Králové, Czech Republic
| | - Lenka Javorská
- Department of Clinical Biochemistry and Diagnostics, University Hospital Hradec Králové, Hradec Králové, Czech Republic
| | - Kateřina Matoušová
- Department of Clinical Biochemistry and Diagnostics, University Hospital Hradec Králové, Hradec Králové, Czech Republic
| | - Lenka Kujovská Krčmová
- Department of Clinical Biochemistry and Diagnostics, University Hospital Hradec Králové, Hradec Králové, Czech Republic
- Department of Analytical Chemistry, Faculty of Pharmacy in Hradec Králové, Charles University, Hradec Králové, Czech Republic
| | - Alena Šmahelová
- 3rd Department of Internal Medicine-Metabolic Care and Gerontology, University Hospital and Faculty of Medicine in Hradec Králové, Charles University, Hradec Králové, Czech Republic
| | - Vladimír Blaha
- 3rd Department of Internal Medicine-Metabolic Care and Gerontology, University Hospital and Faculty of Medicine in Hradec Králové, Charles University, Hradec Králové, Czech Republic
| | - Přemysl Mladenka
- Department of Pharmacology and Toxicology, Faculty of Pharmacy in Hradec Králové, Charles University, Hradec Králové, Czech Republic
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