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He Q, Zhang S, Wang J, Ma T, Ma D, Wu L, Zhou M, Zhao L, Chen Y, Liu J, Chen W. The Synergistic Effect Study of Lipopolysaccharide (LPS) and A53T-α-Synuclein: Intranasal LPS Exposure on the A53T-α-Synuclein Transgenic Mouse Model of Parkinson's Disease. Mol Neurobiol 2024; 61:7046-7065. [PMID: 38367134 DOI: 10.1007/s12035-024-04020-y] [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: 10/15/2023] [Accepted: 02/05/2024] [Indexed: 02/19/2024]
Abstract
Aging and interactions between genetic and environmental factors are believed to be involved the chronic development of Parkinson's disease (PD). Among PD patients, abnormally aggregated α-synuclein is a major component of the Lewy body. Generally, the intranasal route is believed to be a gate way to the brain, and it assists environmental neurotoxins in entering the brain and is related to anosmia during early PD. The current study applies the chronic intranasal application of lipopolysaccharides (LPS) in 4-, 8-, 12- and 16-month-old A53T-α-synuclein (A53T-α-Syn) transgenic C57BL/6 mice at 2-day intervals for a 2-month period, for evaluating the behavioral, pathological, and biochemical changes and microglial activation in these animals. According to our results, after intranasal administration of LPS, A53T-α-Syn mice showed severe progressive anosmia, hypokinesia, selective dopaminergic (DAergic) neuronal losses, decreased striatal dopamine (DA) level, and enhanced α-synuclein accumulation within the substantia nigra (SN) in an age-dependent way. In addition, we found obvious NF-кB activation, Nurr1 inhibition, IL-1β, and TNF-α generation within the microglia of the SN. Conversely, the wild-type (WT) mice showed mild, whereas A53T-α-Syn mice had moderate PD-like changes among the old mice. This study demonstrated the synergistic effect of intranasal LPS and α-synuclein burden on PD development. Its underlying mechanism may be associated with Nurr1 inhibition within microglia and the amplification of CNS neuroinflammation. The mice with multiple factors, including aging, neuroinflammation, and α-synuclein mutation, have played a significant role in enhancing our understanding of how inflammation and α-synuclein mutation contribute to the neurodegeneration observed in PD.
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Affiliation(s)
- Qing He
- Department of Neurology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Shuzhen Zhang
- Institute of Neuroscience, Chinese Academy of Sciences (CAS) Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai, China
| | - Jian Wang
- Department of Cardiology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Tengfei Ma
- Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ding Ma
- Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Li Wu
- Department of Neurology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Mengxi Zhou
- Department of Neurology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lei Zhao
- Department of Neurology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yajing Chen
- Department of Neurology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jianren Liu
- Department of Neurology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Wei Chen
- Department of Neurology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
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Li XC, Zhu XY, Wang YY, Tong SL, Chen ZL, Lu ZY, Zhang JH, Song LL, Wang XH, Zhang C, Sun YH, Zhong CY, Su LH, Wang LX, Huang XY. Canagliflozin alleviates pulmonary hypertension by activating PPARγ and inhibiting its S225 phosphorylation. Acta Pharmacol Sin 2024; 45:1861-1878. [PMID: 38719955 PMCID: PMC11335861 DOI: 10.1038/s41401-024-01286-9] [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: 12/21/2023] [Accepted: 04/07/2024] [Indexed: 08/22/2024] Open
Abstract
Pulmonary hypertension (PH) is a progressive fatal disease with no cure. Canagliflozin (CANA), a novel medication for diabetes, has been found to have remarkable cardiovascular benefits. However, few studies have addressed the effect and pharmacological mechanism of CANA in the treatment of PH. Therefore, our study aimed to investigate the effect and pharmacological mechanism of CANA in treating PH. First, CANA suppressed increased pulmonary artery pressure, right ventricular hypertrophy, and vascular remodeling in both mouse and rat PH models. Network pharmacology, transcriptomics, and biological results suggested that CANA could ameliorate PH by suppressing excessive oxidative stress and pulmonary artery smooth muscle cell proliferation partially through the activation of PPARγ. Further studies demonstrated that CANA inhibited phosphorylation of PPARγ at Ser225 (a novel serine phosphorylation site in PPARγ), thereby promoting the nuclear translocation of PPARγ and increasing its ability to resist oxidative stress and proliferation. Taken together, our study not only highlighted the potential pharmacological effect of CANA on PH but also revealed that CANA-induced inhibition of PPARγ Ser225 phosphorylation increases its capacity to counteract oxidative stress and inhibits proliferation. These findings may stimulate further research and encourage future clinical trials exploring the therapeutic potential of CANA in PH treatment.
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Affiliation(s)
- Xiu-Chun Li
- Division of Pulmonary Medicine, the First Affiliated Hospital, Wenzhou Medical University, Wenzhou Key Laboratory of Interdiscipline and Translational Medicine, Wenzhou Key Laboratory of Heart and Lung, Wenzhou, 325000, China
| | - Xia-Yan Zhu
- Division of Pulmonary Medicine, the First Affiliated Hospital, Wenzhou Medical University, Wenzhou Key Laboratory of Interdiscipline and Translational Medicine, Wenzhou Key Laboratory of Heart and Lung, Wenzhou, 325000, China
| | - Yang-Yue Wang
- Division of Pulmonary Medicine, the First Affiliated Hospital, Wenzhou Medical University, Wenzhou Key Laboratory of Interdiscipline and Translational Medicine, Wenzhou Key Laboratory of Heart and Lung, Wenzhou, 325000, China
| | | | - Zhi-Li Chen
- Division of Pulmonary Medicine, the First Affiliated Hospital, Wenzhou Medical University, Wenzhou Key Laboratory of Interdiscipline and Translational Medicine, Wenzhou Key Laboratory of Heart and Lung, Wenzhou, 325000, China
| | - Zi-Yi Lu
- Division of Pulmonary Medicine, the First Affiliated Hospital, Wenzhou Medical University, Wenzhou Key Laboratory of Interdiscipline and Translational Medicine, Wenzhou Key Laboratory of Heart and Lung, Wenzhou, 325000, China
| | | | - Lan-Lan Song
- Division of Pulmonary Medicine, the First Affiliated Hospital, Wenzhou Medical University, Wenzhou Key Laboratory of Interdiscipline and Translational Medicine, Wenzhou Key Laboratory of Heart and Lung, Wenzhou, 325000, China
| | - Xing-Hong Wang
- Division of Pulmonary Medicine, the First Affiliated Hospital, Wenzhou Medical University, Wenzhou Key Laboratory of Interdiscipline and Translational Medicine, Wenzhou Key Laboratory of Heart and Lung, Wenzhou, 325000, China
| | - Chi Zhang
- Wenzhou Medical University, Wenzhou, 325000, China
| | - Yi-Han Sun
- Wenzhou Medical University, Wenzhou, 325000, China
| | | | - Li-Huang Su
- Division of Pulmonary Medicine, the First Affiliated Hospital, Wenzhou Medical University, Wenzhou Key Laboratory of Interdiscipline and Translational Medicine, Wenzhou Key Laboratory of Heart and Lung, Wenzhou, 325000, China
| | - Liang-Xing Wang
- Division of Pulmonary Medicine, the First Affiliated Hospital, Wenzhou Medical University, Wenzhou Key Laboratory of Interdiscipline and Translational Medicine, Wenzhou Key Laboratory of Heart and Lung, Wenzhou, 325000, China
| | - Xiao-Ying Huang
- Division of Pulmonary Medicine, the First Affiliated Hospital, Wenzhou Medical University, Wenzhou Key Laboratory of Interdiscipline and Translational Medicine, Wenzhou Key Laboratory of Heart and Lung, Wenzhou, 325000, China.
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153
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Smits JPH, Qu J, Pardow F, van den Brink NJM, Rodijk-Olthuis D, van Vlijmen-Willems IMJJ, van Heeringen SJ, Zeeuwen PLJM, Schalkwijk J, Zhou H, van den Bogaard EH. The Aryl Hydrocarbon Receptor Regulates Epidermal Differentiation through Transient Activation of TFAP2A. J Invest Dermatol 2024; 144:2013-2028.e2. [PMID: 38401701 DOI: 10.1016/j.jid.2024.01.030] [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: 09/07/2023] [Revised: 01/29/2024] [Accepted: 01/31/2024] [Indexed: 02/26/2024]
Abstract
The aryl hydrocarbon receptor (AHR) is an evolutionary conserved environmental sensor identified as an indispensable regulator of epithelial homeostasis and barrier organ function. Molecular signaling cascade and target genes upon AHR activation and their contribution to cell and tissue function are however not fully understood. Multiomics analyses using human skin keratinocytes revealed that upon ligand activation, AHR binds open chromatin to induce expression of transcription factors, for example, TFAP2A, as a swift response to environmental stimuli. The terminal differentiation program, including upregulation of barrier genes, FLG and keratins, was mediated by TFAP2A as a secondary response to AHR activation. The role of AHR-TFAP2A axis in controlling keratinocyte terminal differentiation for proper barrier formation was further confirmed using CRISPR/Cas9 in human epidermal equivalents. Overall, the study provides additional insights into the molecular mechanism behind AHR-mediated barrier function and identifies potential targets for the treatment of skin barrier diseases.
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Affiliation(s)
- Jos P H Smits
- Department of Dermatology, Radboud Research Institute for Medical Innovation, Radboudumc, Nijmegen, The Netherlands; Department of Dermatology, University Hospital Düsseldorf, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - Jieqiong Qu
- Department of Molecular Developmental Biology, Faculty of Science, Radboud University, Nijmegen, The Netherlands
| | - Felicitas Pardow
- Department of Dermatology, Radboud Research Institute for Medical Innovation, Radboudumc, Nijmegen, The Netherlands; Department of Molecular Developmental Biology, Faculty of Science, Radboud University, Nijmegen, The Netherlands
| | - Noa J M van den Brink
- Department of Dermatology, Radboud Research Institute for Medical Innovation, Radboudumc, Nijmegen, The Netherlands
| | - Diana Rodijk-Olthuis
- Department of Dermatology, Radboud Research Institute for Medical Innovation, Radboudumc, Nijmegen, The Netherlands
| | | | - Simon J van Heeringen
- Department of Molecular Developmental Biology, Faculty of Science, Radboud University, Nijmegen, The Netherlands
| | - Patrick L J M Zeeuwen
- Department of Dermatology, Radboud Research Institute for Medical Innovation, Radboudumc, Nijmegen, The Netherlands
| | - Joost Schalkwijk
- Department of Dermatology, Radboud Research Institute for Medical Innovation, Radboudumc, Nijmegen, The Netherlands
| | - Huiqing Zhou
- Department of Molecular Developmental Biology, Faculty of Science, Radboud University, Nijmegen, The Netherlands; Department of Human Genetics, Radboudumc, Nijmegen, The Netherlands.
| | - Ellen H van den Bogaard
- Department of Dermatology, Radboud Research Institute for Medical Innovation, Radboudumc, Nijmegen, The Netherlands.
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154
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Ye Y, Li M, Chen W, Wang H, He X, Liu N, Guo Z, Zheng C. Natural polysaccharides as promising reno-protective agents for the treatment of various kidney injury. Pharmacol Res 2024; 207:107301. [PMID: 39009291 DOI: 10.1016/j.phrs.2024.107301] [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: 03/14/2024] [Revised: 06/13/2024] [Accepted: 07/07/2024] [Indexed: 07/17/2024]
Abstract
Renal injury, a prevalent clinical outcome with multifactorial etiology, imposes a substantial burden on society. Currently, there remains a lack of effective management and treatments. Extensive research has emphasized the diverse biological effects of natural polysaccharides, which exhibit promising potential for mitigating renal damage. This review commences with the pathogenesis of four common renal diseases and the shared mechanisms underlying renal injury. The renoprotective roles of polysaccharides in vivo and in vitro are summarized in the following five aspects: anti-oxidative stress effects, anti-apoptotic effects, anti-inflammatory effects, anti-fibrotic effects, and gut modulatory effects. Furthermore, we explore the structure-activity relationship and bioavailability of polysaccharides in relation to renal injury, as well as investigate their utility as biomaterials for alleviating renal injury. The clinical experiments of polysaccharides applied to patients with chronic kidney disease are also reviewed. Broadly, this review provides a comprehensive perspective on the research direction of natural polysaccharides in the context of renal injury, with the primary aim to serve as a reference for the clinical development of polysaccharides as pharmaceuticals and prebiotics for the treatment of kidney diseases.
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Affiliation(s)
- Yufei Ye
- Department of Chinese Medicine Authentication, Faculty of Pharmacy, Second Military Medical University/Naval Medical University, 325 Guohe Road, Shanghai 200433, China; Department of Nephrology, Changhai Hospital, Second Military Medical University/Naval Medical University, 168 Changhai Road, Shanghai 200433, China
| | - Maoting Li
- Department of Chinese Medicine Authentication, Faculty of Pharmacy, Second Military Medical University/Naval Medical University, 325 Guohe Road, Shanghai 200433, China; Department of Nephrology, Naval Medical Center of PLA, Second Military Medical University/Naval Medical University, 338 West Huaihai Road, Shanghai 200052, China
| | - Wei Chen
- Department of Nephrology, Changhai Hospital, Second Military Medical University/Naval Medical University, 168 Changhai Road, Shanghai 200433, China
| | - Hongrui Wang
- Department of Chinese Medicine Authentication, Faculty of Pharmacy, Second Military Medical University/Naval Medical University, 325 Guohe Road, Shanghai 200433, China
| | - Xuhui He
- Department of Chinese Medicine Authentication, Faculty of Pharmacy, Second Military Medical University/Naval Medical University, 325 Guohe Road, Shanghai 200433, China
| | - Nanmei Liu
- Department of Nephrology, Naval Medical Center of PLA, Second Military Medical University/Naval Medical University, 338 West Huaihai Road, Shanghai 200052, China.
| | - Zhiyong Guo
- Department of Nephrology, Changhai Hospital, Second Military Medical University/Naval Medical University, 168 Changhai Road, Shanghai 200433, China.
| | - Chengjian Zheng
- Department of Chinese Medicine Authentication, Faculty of Pharmacy, Second Military Medical University/Naval Medical University, 325 Guohe Road, Shanghai 200433, China.
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155
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Cui H, Shu C, Peng Y, Wei Z, Ni X, Zheng L, Shang J, Liu F, Liu J. Long-life triclosan exposure induces ADHD-like behavior in rats via prefrontal cortex dopaminergic deficiency. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 282:116766. [PMID: 39047361 DOI: 10.1016/j.ecoenv.2024.116766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2024] [Revised: 07/16/2024] [Accepted: 07/18/2024] [Indexed: 07/27/2024]
Abstract
In recent years, exposure to triclosan (TCS) has been linked to an increase in psychiatric disorders. Nonetheless, the precise mechanisms of this occurrence remain elusive. Therefore, this study developed a long-life TCS-exposed rat model, an SH-SY5Y cell model, and an atomoxetine hydrochloride (ATX) treatment model to explore and validate the neurobehavioral mechanisms of TCS from multiple perspectives. In the long-life TCS-exposed model, pregnant rats received either 0 mg/kg (control) or 50 mg/kg TCS by oral gavage throughout pregnancy, lactation, and weaning of their offspring (up to 8 weeks old). In the ATX treatment model, weanling rats received daily injections of either 0 mg/kg (control) or 3 mg/kg ATX via intraperitoneal injection until they reached 8 weeks old. Unlike the TCS model, ATX exposure only occurred after the pups were weaned. The results indicated that long-life TCS exposure led to attention-deficit hyperactivity disorder (ADHD)-like behaviors in male offspring rats accompanied by dopamine-related mRNA and protein expression imbalances in the prefrontal cortex (PFC). Moreover, in vitro experiments also confirmed these findings. Mechanistically, TCS reduced dopamine (DA) synthesis, release, and transmission, and increased reuptake in PFC, thereby reducing synaptic gap DA levels and causing dopaminergic deficits. Additional experiments revealed that increased DA concentration in PFC by ATX effectively alleviated TCS-induced ADHD-like behavior in male offspring rats. These findings suggest that long-life TCS exposure causes ADHD-like behavior in male offspring rats through dopaminergic deficits. Furthermore, ATX treatment not only reduce symptoms in the rats, but also reveals valuable insights into the neurotoxic mechanisms induced by TCS.
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Affiliation(s)
- He Cui
- Department of Health Laboratory Technology, School of Public Health, China Medical University, Shenyang 110122, PR China
| | - Chang Shu
- Department of Health Laboratory Technology, School of Public Health, China Medical University, Shenyang 110122, PR China
| | - Yuxuan Peng
- Department of Health Laboratory Technology, School of Public Health, China Medical University, Shenyang 110122, PR China
| | - Ziyun Wei
- Department of Health Laboratory Technology, School of Public Health, China Medical University, Shenyang 110122, PR China
| | - Xiao Ni
- Department of Health Laboratory Technology, School of Public Health, China Medical University, Shenyang 110122, PR China
| | - Linlin Zheng
- Department of Health Laboratory Technology, School of Public Health, China Medical University, Shenyang 110122, PR China
| | - Jianing Shang
- Department of Health Laboratory Technology, School of Public Health, China Medical University, Shenyang 110122, PR China
| | - Fu Liu
- Department of Health Laboratory Technology, School of Public Health, China Medical University, Shenyang 110122, PR China
| | - Jieyu Liu
- Key Laboratory of Environmental Stress and Chronic Disease Control & Prevention (China Medical University), Ministry of Education, PR China; Department of Health Laboratory Technology, School of Public Health, China Medical University, Shenyang 110122, PR China.
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156
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Anbuhl SM, Dervillez X, Neubacher S, Schriek AI, Bobkov V, de Taeye SW, Szpakowska M, Siderius M, Grossmann TN, Chevigné A, Smit MJ, Heukers R. Multivalent CXCR4-targeting nanobody formats differently affect affinity, receptor clustering, and antagonism. Biochem Pharmacol 2024; 227:116457. [PMID: 39098732 DOI: 10.1016/j.bcp.2024.116457] [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: 04/10/2024] [Revised: 07/12/2024] [Accepted: 08/01/2024] [Indexed: 08/06/2024]
Abstract
The chemokine receptor CXCR4 is involved in the development and migration of stem and immune cells but is also implicated in tumor progression and metastasis for a variety of cancers. Antagonizing ligand (CXCL12)-induced CXCR4 signaling is, therefore, of therapeutic interest. Currently, there are two small-molecule CXCR4 antagonists on the market for the mobilization of hematopoietic stem cells. Other molecules with improved potencies and safety profiles are being developed for different indications, including cancer. Moreover, multiple antagonistic nanobodies targeting CXCR4 displayed similar or better potencies as compared to the CXCR4-targeting molecule AMD3100 (Plerixafor), which was further enhanced through avid binding of bivalent derivatives. In this study, we aimed to compare the affinities of various multivalent nanobody formats which might be differently impacted by avidity. By fusion to a flexible GS-linker, Fc-region of human IgG1, different C4bp/CLR multimerization domains, or via site-directed conjugation to a trivalent linker scaffold, we generated different types of multivalent nanobodies with varying valencies ranging from bivalent to decavalent. Of these, C-terminal fusion, especially to human Fc, was most advantageous with a 2-log-fold and 3-log-fold increased potency in inhibiting CXCL12-mediated Gαi- or β-arrestin recruitment, respectively. Overall, we describe strategies for generating multivalent and high-potency CXCR4 antagonistic nanobodies able to induce receptor clustering and conclude that fusion to an Fc-tail results in the highest avidity effect irrespective of the hinge linker.
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Affiliation(s)
- Stephanie M Anbuhl
- QVQ Holding BV, 3584 CL Utrecht, The Netherlands; Department of Chemistry and Pharmaceutical Sciences, Division of Medicinal Chemistry, Faculty of Science, Vrije Universiteit Amsterdam, 1081 HV, The Netherlands; Amsterdam Institute of Molecular and Life Sciences (AIMMS), 1081 HV, Amsterdam, The Netherlands
| | - Xavier Dervillez
- Department of Infection and Immunity, Luxembourg Institute of Health (LIH), Esch-sur-Alzette, Luxembourg
| | - Saskia Neubacher
- Amsterdam Institute of Molecular and Life Sciences (AIMMS), 1081 HV, Amsterdam, The Netherlands; Department of Chemistry & Pharmaceutical Sciences, Vrije Universiteit Amsterdam, The Netherlands; Incircular BV, 1081 HZ Amsterdam, The Netherlands
| | - Angela I Schriek
- Department of Medical Microbiology and Infection prevention, Laboratory of Experimental Virology, Amsterdam UMC, Location University of Amsterdam, 1105 AZ, Amsterdam, The Netherlands; Amsterdam Institute for Infection and Immunity, Infectious diseases, Amsterdam, The Netherlands
| | - Vladimir Bobkov
- Department of Chemistry and Pharmaceutical Sciences, Division of Medicinal Chemistry, Faculty of Science, Vrije Universiteit Amsterdam, 1081 HV, The Netherlands; Amsterdam Institute of Molecular and Life Sciences (AIMMS), 1081 HV, Amsterdam, The Netherlands; Argenx, 9052 Ghent, Belgium
| | - Steven W de Taeye
- Department of Medical Microbiology and Infection prevention, Laboratory of Experimental Virology, Amsterdam UMC, Location University of Amsterdam, 1105 AZ, Amsterdam, The Netherlands; Amsterdam Institute for Infection and Immunity, Infectious diseases, Amsterdam, The Netherlands
| | - Martyna Szpakowska
- Department of Infection and Immunity, Luxembourg Institute of Health (LIH), Esch-sur-Alzette, Luxembourg
| | - Marco Siderius
- Department of Chemistry and Pharmaceutical Sciences, Division of Medicinal Chemistry, Faculty of Science, Vrije Universiteit Amsterdam, 1081 HV, The Netherlands; Amsterdam Institute of Molecular and Life Sciences (AIMMS), 1081 HV, Amsterdam, The Netherlands
| | - Tom N Grossmann
- Amsterdam Institute of Molecular and Life Sciences (AIMMS), 1081 HV, Amsterdam, The Netherlands; Department of Chemistry & Pharmaceutical Sciences, Vrije Universiteit Amsterdam, The Netherlands; Incircular BV, 1081 HZ Amsterdam, The Netherlands
| | - Andy Chevigné
- Department of Infection and Immunity, Luxembourg Institute of Health (LIH), Esch-sur-Alzette, Luxembourg
| | - Martine J Smit
- Department of Chemistry and Pharmaceutical Sciences, Division of Medicinal Chemistry, Faculty of Science, Vrije Universiteit Amsterdam, 1081 HV, The Netherlands; Amsterdam Institute of Molecular and Life Sciences (AIMMS), 1081 HV, Amsterdam, The Netherlands
| | - Raimond Heukers
- QVQ Holding BV, 3584 CL Utrecht, The Netherlands; Department of Chemistry and Pharmaceutical Sciences, Division of Medicinal Chemistry, Faculty of Science, Vrije Universiteit Amsterdam, 1081 HV, The Netherlands; Amsterdam Institute of Molecular and Life Sciences (AIMMS), 1081 HV, Amsterdam, The Netherlands.
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157
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Kolac J, Schneider MI, Rimoldi F. Short- and long-term effects of commercial formulations of imidacloprid, spirotetramat, and mixtures of these active ingredients on pupae of Diaeretiella rapae (Hymenoptera: Braconidae) and its progeny. PEST MANAGEMENT SCIENCE 2024; 80:4594-4603. [PMID: 38788160 DOI: 10.1002/ps.8178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 04/17/2024] [Accepted: 04/30/2024] [Indexed: 05/26/2024]
Abstract
BACKGROUND Compatibility studies of insecticides and natural enemies usually focus on short-term lethal effects, without considering the long-term sublethal effects (including progeny). Even less-explored are the effects of commercial insecticides formulated with more than one active product. Short- and long-term lethal and sublethal effects were studied for the first time on the progeny of commercial formulations of spirotetramat, imidacloprid and a commercial mixture of these active ingredients on pupae of Diaeretiella rapae (M'ntosh) (Hymenoptera: Braconidae), an endoparasitoid of aphids considered to be a potential biological control agent. Insecticides were exposed topically on aphid mummies in which the parasitoid was in the pupal stage. RESULTS Imidacloprid reduced adult emergence by more than 30% and prolonged intra-host development time with respect to control from half the maximum recommended field dose (MFRD). Spirotetramat and commercial mixture only showed significant effects on these endpoints at doses above the MFRD. The tested formulations did not affect adult longevity, sex ratio, and percentage of parasitism in the exposed generation. At low concentrations the active ingredients in the commercial mixture behave synergistically, whereas at medium and high concentrations they behave antagonistically. Considering the 10% lethal dose (LD10), imidacloprid showed the highest hazard coefficient, whereas the commercial mixture was more hazardous when considering the LD50 and LD90. The commercial mixture and imidacloprid induced higher adult emergence and altered the sex ratio in the progeny. CONCLUSIONS The following order of toxicity on D. rapae can be established: imidacloprid > commercial mixture > spirotetramat. Joint use of this species with imidacloprid and commercial mixture should be avoided in integrated pest management programs. © 2024 Society of Chemical Industry.
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Affiliation(s)
- Julieta Kolac
- Centro de Investigaciones del Medio Ambiente (CIM-CONICET, CIC PBA, Universidad Nacional de La Plata), La Plata, Argentina
| | - Marcela Inés Schneider
- Laboratorio de Ecotoxicología: Plaguicidas y Control Biológico, Centro de Estudios Parasitológicos y de Vectores (CEPAVE-CONICET, CIC PBA, Universidad Nacional de La Plata), La Plata, Argentina
| | - Federico Rimoldi
- Centro de Investigaciones del Medio Ambiente (CIM-CONICET, CIC PBA, Universidad Nacional de La Plata), La Plata, Argentina
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158
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Azevedo EM, Fracaro L, Hochuli AHD, Ilkiw J, Bail EL, Lisboa MDO, Rodrigues LS, Barchiki F, Correa A, Capriglione LGA, Brofman PRS, Lima MMS. Comparative analysis of uninduced and neuronally-induced human dental pulp stromal cells in a 6-OHDA model of Parkinson's disease. Cytotherapy 2024; 26:1052-1061. [PMID: 38739074 DOI: 10.1016/j.jcyt.2024.04.068] [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: 12/13/2023] [Revised: 04/12/2024] [Accepted: 04/22/2024] [Indexed: 05/14/2024]
Abstract
BACKGROUND In recent years, dental pulp stromal cells (DPSCs) have emerged as a promising therapeutic approach for Parkinson's disease (PD), owing to their inherent neurogenic potential and the lack of neuroprotective treatments for this condition. However, uncertainties persist regarding the efficacy of these cells in an undifferentiated state versus a neuronally-induced state. This study aims to delineate the distinct therapeutic potential of uninduced and neuronally-induced DPSCs in a rodent model of PD induced by 6-Hydroxydopamine (6-OHDA). METHODS DPSCs were isolated from human teeth, characterized as mesenchymal stromal cells, and induced to neuronal differentiation. Neuronal markers were assessed before and after induction. DPSCs were transplanted into the substantia nigra pars compacta (SNpc) of rats 7 days following the 6-OHDA lesion. In vivo tracking of the cells, evaluation of locomotor behavior, dopaminergic neuron survival, and the expression of essential proteins within the dopaminergic system were conducted 7 days postgrafting. RESULTS Isolated DPSCs exhibited typical characteristics of mesenchymal stromal cells and maintained a normal karyotype. DPSCs consistently expressed neuronal markers, exhibiting elevated expression of βIII-tubulin following neuronal induction. Results from the animal model showed that both DPSC types promoted substantial recovery in dopaminergic neurons, correlating with enhanced locomotion. Additionally, neuronally-induced DPSCs prevented GFAP elevation, while altering DARPP-32 phosphorylation states. Conversely, uninduced DPSCs reduced JUN levels. Both DPSC types mitigated the elevation of glycosylated DAT. CONCLUSIONS Our results suggested that uninduced DPSCs and neuronally-induced DPSCs exhibit potential in reducing dopaminergic neuron loss and improving locomotor behavior, but their underlying mechanisms differ.
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Affiliation(s)
- Evellyn M Azevedo
- Physiology Department, Parkinson's Disease and Sleep Neurophysiology Lab, Universidade Federal do Paraná (UFPR), Curitiba, Brazil
| | - Letícia Fracaro
- Core for Cell Technology, School of Medicine and Life Sciences, Pontifícia Universidade Católica do Paraná (PUCPR), Curitiba, Brazil
| | - Agner H D Hochuli
- Core for Cell Technology, School of Medicine and Life Sciences, Pontifícia Universidade Católica do Paraná (PUCPR), Curitiba, Brazil
| | - Jéssica Ilkiw
- Physiology Department, Parkinson's Disease and Sleep Neurophysiology Lab, Universidade Federal do Paraná (UFPR), Curitiba, Brazil
| | - Ellen L Bail
- Physiology Department, Parkinson's Disease and Sleep Neurophysiology Lab, Universidade Federal do Paraná (UFPR), Curitiba, Brazil
| | - Mateus de O Lisboa
- Core for Cell Technology, School of Medicine and Life Sciences, Pontifícia Universidade Católica do Paraná (PUCPR), Curitiba, Brazil
| | - Lais S Rodrigues
- Physiology Department, Parkinson's Disease and Sleep Neurophysiology Lab, Universidade Federal do Paraná (UFPR), Curitiba, Brazil
| | - Fabiane Barchiki
- Core for Cell Technology, School of Medicine and Life Sciences, Pontifícia Universidade Católica do Paraná (PUCPR), Curitiba, Brazil
| | - Alejandro Correa
- Laboratory of Basic Biology of Stem Cells, Carlos Chagas Institute, Fiocruz-Paraná, Curitiba, Brazil
| | - Luiz G A Capriglione
- Core for Cell Technology, School of Medicine and Life Sciences, Pontifícia Universidade Católica do Paraná (PUCPR), Curitiba, Brazil
| | - Paulo R S Brofman
- Core for Cell Technology, School of Medicine and Life Sciences, Pontifícia Universidade Católica do Paraná (PUCPR), Curitiba, Brazil
| | - Marcelo M S Lima
- Physiology Department, Parkinson's Disease and Sleep Neurophysiology Lab, Universidade Federal do Paraná (UFPR), Curitiba, Brazil.
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Bu X, Gong P, Zhang L, Song W, Hou J, Li Q, Wang W, Xia Z. Pharmacological inhibition of cGAS ameliorates postoperative cognitive dysfunction by suppressing caspase-3/GSDME-dependent pyroptosis. Neurochem Int 2024; 178:105788. [PMID: 38843953 DOI: 10.1016/j.neuint.2024.105788] [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: 04/03/2024] [Revised: 05/15/2024] [Accepted: 06/04/2024] [Indexed: 06/10/2024]
Abstract
Neuroinflammation is a major driver of postoperative cognitive dysfunction (POCD). The cyclic GMP-AMP synthase-stimulator of interferon gene (cGAS-STING) signaling is a prominent alarming device for aberrant double-stranded DNA (dsDNA) that has emerged as a key mediator of neuroinflammation in cognitive-related diseases. However, the role of the cGAS-STING pathway in the pathogenesis of POCD remains unclear. A POCD model was developed in male C57BL/6J mice by laparotomy under isoflurane (Iso) anesthesia. The cGAS inhibitor RU.521 and caspase-3 agonist Raptinal were delivered by intraperitoneal administration. BV2 cells were exposed to Iso and lipopolysaccharide (LPS) in the absence or presence of RU.521, and then cocultured with HT22 cells in the absence or presence of Raptinal. Cognitive function was assessed using the Morris water maze test and novel object recognition test. Immunofluorescence assays were used to observe the colocalization of dsDNA and cGAS. The downstream proteins and pro-inflammatory cytokines were detected using the Western blot and enzyme-linked immunosorbent assay (ELISA). Terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) staining was used to assess the degree of cell death in the hippocampus following anesthesia/surgery treatment. Isoflurane/laparotomy and Iso + LPS significantly augmented the levels of cGAS in the hippocampus and BV2 cells, accompanied by mislocalized dsDNA accumulation in the cytoplasm. RU.521 alleviated cognitive impairment, diminished the levels of 2'3'-cGAMP, cGAS, STING, phosphorylated NF-κB p65 and NF-κB-pertinent pro-inflammatory cytokines (TNFα and IL-6), and repressed pyroptosis-associated elements containing cleaved caspase-3, N-GSDME, IL-1β and IL-18. These phenotypes could be rescued by Raptinal in vivo and in vitro. These findings suggest that pharmacological inhibition of cGAS mitigates neuroinflammatory burden of POCD by dampening caspase-3/GSDME-dependent pyroptosis, providing a potential therapeutic strategy for POCD.
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Affiliation(s)
- Xueshan Bu
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei, China
| | - Ping Gong
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei, China; State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, Department of Anesthesiology, School & Hospital of Stomatology, Wuhan University, Wuhan, 430079, China
| | - Lei Zhang
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei, China
| | - Wenqin Song
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei, China
| | - Jiabao Hou
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei, China
| | - Qingwen Li
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei, China
| | - Wei Wang
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei, China.
| | - Zhongyuan Xia
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei, China.
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160
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Chen X, Bao Y, Sun G, Wang X, Zhu J. UNC13B regulates the sensitivity of Wilms' tumor cells to doxorubicin by modulating lysosomes. Oncol Lett 2024; 28:446. [PMID: 39091580 PMCID: PMC11292464 DOI: 10.3892/ol.2024.14579] [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: 02/15/2024] [Accepted: 06/14/2024] [Indexed: 08/04/2024] Open
Abstract
Wilms' tumor is a malignant neoplasm where current medical advancements have significantly improved survival rates; however, challenges persist such as the resistance of the tumor to chemotherapy drugs like doxorubicin. This necessitates higher dosages, leading to decreased sensitivity. However, using high doses of doxorubicin can have late effects on the heart. Unc-13 homolog B (UNC13B) may be involved in the drug resistance in several tumors, yet its role in modulating drug sensitivity in Wilms' tumor remains unexplored. UNC13B levels were quantified using reverse transcription-qPCR and Western blotting. The half-maximal inhibitory concentration for doxorubicin, vincristine, and actinomycin-D was determined using CCK-8 assays. Cell cycle and apoptosis were analyzed using flow cytometry, and lysosomal changes were observed using Lyso-Tracker staining. The present study initially evaluated UNC13B expression levels in the Wilms' tumor 17.94 cell line. Additionally, through short hairpin RNA-mediated knockdown, changes in doxorubicin sensitivity in 17.94 Wilms' tumor cells were assessed. Concurrently, preliminary investigations into the role of UNC13B in regulating lysosomes was performed, revealing a significant positive association between UNC13B levels and lysosome formation in the 17.94 cell line. Lysosomes likely serve a role in the sensitivity of Wilms' tumor cell lines to drugs. Elevated UNC13B expression was observed in the 17.94 Wilms' tumor cell line compared to normal kidney cells. UNC13B knockdown also resulted in increased apoptosis levels upon doxorubicin treatment. Immunofluorescence revealed UNC13B localization within cellular vesicles, and its knockdown significantly decreased lysosome levels. Overall, the findings of the present study demonstrate that UNC13B regulates the sensitivity of the Wilms' tumor 17.94 cell line to doxorubicin by modulating lysosome formation within cells. The results suggest that UNC13B is likely an enriched target involved in lysosomal regulation in certain tumors, offering a new approach for optimizing chemotherapy in Wilms' tumor and other cancers with high UNC13B expression.
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Affiliation(s)
- Xi Chen
- Department of Neonatology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310006, P.R. China
| | - Yingying Bao
- Department of Neonatology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310006, P.R. China
| | - Ge Sun
- Department of Neonatology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310006, P.R. China
| | - Xiaobo Wang
- Department of Hematology, The Seventh Affiliated Hospital, Sun Yat-Sen University, Shenzhen, Guangdong 518107, P.R. China
| | - Jiajun Zhu
- Department of Neonatology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310006, P.R. China
- Zhejiang Provincial Clinical Research Center for Child Health, Hangzhou, Zhejiang 310006, P.R. China
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161
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Wang Y, Feng W, Li S, Liu C, Jia L, Wang P, Li L, Du H, Yu W. Oxycodone attenuates lipopolysaccharide-induced myocardial injury by inhibiting inflammation, oxidation and pyroptosis via Nrf2/HO-1 signalling pathway. Clin Exp Pharmacol Physiol 2024; 51:e13910. [PMID: 39073215 DOI: 10.1111/1440-1681.13910] [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: 01/07/2024] [Revised: 05/27/2024] [Accepted: 06/20/2024] [Indexed: 07/30/2024]
Abstract
Myocardial injury and cardiovascular dysfunction are the most common complications of sepsis, and effective therapeutic candidate is still lacking. This study aims to investigate the protective effect of oxycodone in myocardial injury of lipopolysaccharide-induced sepsis and its related signalling pathways. Wild-type and nuclear factor erythroid 2-related factor 2 (Nrf2)-knockout mice, as well as H9c2 cardiomyocytes cultures treated with lipopolysaccharide (LPS) were used as models of septic myocardial injury. H9c2 cardiomyocytes culture showed that oxycodone protected cells from pyroptosis induced by LPS. Mice model confirmed that oxycodone pretreatment significantly attenuated myocardial pathological damage and improved cardiac function demonstrated by increased ejection fraction (EF) and fractional shortening (FS), as well as decreased cardiac troponin I (cTnI) and creatine kinase isoenzymes MB (CK-MB). Oxycodone also reduced the levels of inflammatory factors and oxidative stress damage induced by LPS, which involves pyroptosis-related proteins including: Nod-like receptor protein 3 (NLRP3), Caspase 1, Apoptosis-associated speck-like protein contain a CARD (ASC), and Gasdermin D (GSDMD). These changes were mediated by Nrf2 and heme oxygenase-1 (HO-1) because Nrf2-knockout mice or Nrf2 knockdown in H9c2 cells significantly reversed the beneficial effect of oxycodone on oxidative stress, inflammatory responses and NLRP3-mediated pyroptosis. Our findings yielded that oxycodone therapy reduces LPS-induced myocardial injury by suppressing NLRP3-mediated pyroptosis via the Nrf2/HO-1 signalling pathway in vivo and in vitro.
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Affiliation(s)
- Yanting Wang
- The First Central Clinical College, Tianjin Medical University, Tianjin, China
| | - Wei Feng
- Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Shaona Li
- Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Cuicui Liu
- Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Lili Jia
- Department of Anesthesiology, Tianjin First Central Hospital, Tianjin, China
| | - Pei Wang
- Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Linlin Li
- Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Hongyin Du
- Tianjin Municipal Health Commission, Tianjin, China
| | - Wenli Yu
- Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao, China
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162
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Xu Y, Gao Z, Sun X, Li J, Ozaki T, Shi D, Yu M, Zhu Y. The role of circular RNA during the urological cancer metastasis: exploring regulatory mechanisms and potential therapeutic targets. Cancer Metastasis Rev 2024; 43:1055-1074. [PMID: 38558156 DOI: 10.1007/s10555-024-10182-x] [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: 11/21/2023] [Accepted: 03/02/2024] [Indexed: 04/04/2024]
Abstract
Metastasis is a major contributor to treatment failure and death in urological cancers, representing an important biomedical challenge at present. Metastases form as a result of cancer cells leaving the primary site, entering the vasculature and lymphatic vessels, and colonizing clones elsewhere in the body. However, the specific regulatory mechanisms of action underlying the metastatic process of urological cancers remain incompletely elucidated. With the deepening of research, circular RNAs (circRNAs) have been found to not only play a significant role in tumor progression and prognosis but also show aberrant expression in various tumor metastases, consequently impacting tumor metastasis through multiple pathways. Therefore, circRNAs are emerging as potential tumor markers and treatment targets. This review summarizes the research progress on elucidating how circRNAs regulate the urological cancer invasion-metastasis cascade response and related processes, as well as their role in immune microenvironment remodeling and circRNA vaccines. This body of work highlights circRNA regulation as an emerging therapeutic target for urological cancers, which should motivate further specific research in this regard.
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Affiliation(s)
- Yan Xu
- Department of Urology, The First Hospital of China Medical University, Shenyang, 110001, China
| | - Zhipeng Gao
- Department of Urology, The First Hospital of China Medical University, Shenyang, 110001, China
| | - Xiaoyu Sun
- Department of Pharmacology, School of Pharmacy, China Medical University, Shenyang, 110001, China
| | - Jun Li
- Department of Urology, The First Hospital of China Medical University, Shenyang, 110001, China
| | - Toshinori Ozaki
- Laboratory of DNA Damage Signaling, Chiba Cancer Center Research Institute, Chiba, Japan
| | - Du Shi
- Department of Urology, The First Hospital of China Medical University, Shenyang, 110001, China.
| | - Meng Yu
- Department of Laboratory Animal Science, China Medical University, No. 77 Puhe Road, Shenyang, 110122, Liaoning, China.
| | - Yuyan Zhu
- Department of Urology, The First Hospital of China Medical University, Shenyang, 110001, China.
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163
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Liang Y, Zhang C, Meng Z, Gong S, Tian J, Li R, Wang Z, Wang S. In-situ evaluation the fluctuation of hypochlorous acid in acute liver injury mice models with a mitochondria-targeted NIR ratiometric fluorescent probe. Talanta 2024; 277:126355. [PMID: 38838563 DOI: 10.1016/j.talanta.2024.126355] [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] [Revised: 04/27/2024] [Accepted: 06/02/2024] [Indexed: 06/07/2024]
Abstract
Acute liver injury (ALI) is a frequent and devastating liver disease that has been made more prevalent by the excessive use of chemicals, drugs, and alcohol in modern life. Hypochlorous acid (HClO), an important biomarker of oxidative stress originating mainly from the mitochondria, has been shown to be intimately connected to the development and course of ALI. Herein, a novel BODIPY-based NIR ratiometric fluorescent probe Mito-BS was constructed for the specific recognition of mitochondrial HClO. The probe Mito-BS can rapidly respond to HClO within 20 s with a ratiometric fluorescence response (from 680 nm to 645 nm), 24-fold fluorescence intensity ratio enhancement (I645/I680), a wide pH adaptation range (5-9) and the low detection limit (31 nM). The probe Mito-BS has been effectively applied to visualize endogenous and exogenous HClO fluctuations in living zebrafish and cells based on its low cytotoxicity and prominent mitochondria-targeting ability. Furthermore, the fluorescent probe Mito-BS makes it possible to achieve the non-invasive in-situ diagnosis of ALI through in mice, and provides a feasible strategy for early diagnosis and drug therapy of ALI and its complications.
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Affiliation(s)
- Yueyin Liang
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Chemical Engineering, Nanjing Forestry University, Nanjing, 210037, China
| | - Chunjie Zhang
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Chemical Engineering, Nanjing Forestry University, Nanjing, 210037, China
| | - Zhiyuan Meng
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Chemical Engineering, Nanjing Forestry University, Nanjing, 210037, China
| | - Shuai Gong
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Chemical Engineering, Nanjing Forestry University, Nanjing, 210037, China
| | - Jixiang Tian
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Chemical Engineering, Nanjing Forestry University, Nanjing, 210037, China
| | - Ruoming Li
- School of Chemical Engineering & Pharmacy, Wuhan Institute of Technology, Wuhan, 430205, China.
| | - Zhonglong Wang
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Chemical Engineering, Nanjing Forestry University, Nanjing, 210037, China.
| | - Shifa Wang
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Chemical Engineering, Nanjing Forestry University, Nanjing, 210037, China.
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164
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de Souza FC, Miotelo L, Maloni G, Otero IVR, Nocelli RCF, Malaspina O. Thiamethoxam toxicity on the stingless bee Friesiomelitta varia: LC 50, survival time, and enzymatic biomarkers assessment. CHEMOSPHERE 2024; 363:142853. [PMID: 39019173 DOI: 10.1016/j.chemosphere.2024.142853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 07/04/2024] [Accepted: 07/13/2024] [Indexed: 07/19/2024]
Abstract
Bees play a crucial role as pollinating insects in both natural and cultivated areas. However, the use of pesticides, such as thiamethoxam, has been identified as a contributing factor compromising bee health. The current risk assessment primarily relies on the model species Apis mellifera, raising concerns about the applicability of these assessments to other bee groups, including stingless bees. In this study, we investigated the acute toxicity of thiamethoxam on the stingless bee Frieseomelitta varia by determining the average lethal concentration (LC50) and mean lethal time (LT50). Additionally, we evaluated the enzymatic profile of Acetylcholinesterase (AChE), Carboxylesterase-3 (CaE-3), and Glutathione S-Transferase (GST), in the heads and abdomens of F. varia after exposure to thiamethoxam (LC50/10). The LC50 of thiamethoxam was determined to be 0.68 ng ai/μL, and the LT50 values were 37 days for the control group, 25 days at LC50/10, and 27 days at LC50/100. The thiamethoxam significantly decreased the survival time of F. varia. Furthermore, the enzymatic profile exhibited differences in CaE3 activity within one day in the heads and ten days in the abdomen. GST activity showed differences in the abdomen after one and five days of thiamethoxam exposure. These findings suggests that the abdomen is more affected than the head after oral exposure to thiamethoxam. Our study provides evidence of the toxicity of thiamethoxam at both the cellular and organismal levels, reinforcing the need to include non-Apis species in pollinator risk assessments. and provide solid arguments for bee protection.
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Affiliation(s)
- Fernanda Carolaine de Souza
- Universidade Estadual Paulista (UNESP), Instituto de Biociências, Rio Claro. Departamento de Biologia Geral e Aplicada, Programa de pós graduação em Ciências Biológicas: Biologia Celular, Molecular e Microbiologia, Brazil.
| | - Lucas Miotelo
- Universidade Estadual Paulista (UNESP), Instituto de Biociências, Rio Claro. Departamento de Biologia Geral e Aplicada, Programa de pós graduação em Ciências Biológicas: Biologia Celular, Molecular e Microbiologia, Brazil.
| | - Geovana Maloni
- Universidade Estadual Paulista (UNESP), Instituto de Biociências, Rio Claro. Departamento de Biologia Geral e Aplicada, Programa de pós graduação em Ciências Biológicas: Biologia Celular, Molecular e Microbiologia, Brazil.
| | - Igor Vinicius Ramos Otero
- Universidade Estadual Paulista (UNESP), Instituto de Biociências, Rio Claro. Departamento de Biologia Geral e Aplicada, Programa de pós graduação em Ciências Biológicas: Biologia Celular, Molecular e Microbiologia, Brazil.
| | | | - Osmar Malaspina
- Universidade Estadual Paulista (UNESP), Instituto de Biociências, Rio Claro. Departamento de Biologia Geral e Aplicada, Programa de pós graduação em Ciências Biológicas: Biologia Celular, Molecular e Microbiologia, Brazil.
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165
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Li Y, Li Z, Grillo E, Desler C, Navarro C, Bohr VA, Berliocchi L, Rasmussen LJ. Human fibroblasts from sporadic Alzheimer's disease (AD) patients show mitochondrial alterations and lysosome dysfunction. Free Radic Biol Med 2024; 222:569-578. [PMID: 39009245 DOI: 10.1016/j.freeradbiomed.2024.07.013] [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: 04/14/2024] [Revised: 06/14/2024] [Accepted: 07/12/2024] [Indexed: 07/17/2024]
Abstract
Mitophagy is a mechanism that maintains mitochondrial integrity and homeostasis and is thought to promote longevity and reduce the risk of age-related neurodegenerative diseases, including Alzheimer's disease (AD). Here, we investigate the abundance of mitochondrial reactive oxygen species (ROS), mitochondrial function, and mitophagy in primary fibroblasts from patients with sporadic AD (sAD) and normal healthy controls. The results show increased levels of mitochondrial ROS, changes in mitochondrial morphology, altered bioenergetic properties, and defects in autophagy, mitophagy, and lysosome-mediated degradation pathways in sAD fibroblasts relative to control fibroblasts. Interestingly, lysosome abundance and the staining of lysosomal markers remained high, while the capacity of lysosome-dependent degradation was lower in sAD fibroblasts than in controls fibroblasts. Nicotinamide riboside supplementation decreased mitochondrial ROS, while capacity for lysosomal degradation remained unchanged in sAD fibroblasts relative to healthy control fibroblasts. These findings provide insight into molecular mechanisms involving the dysregulation of lysosome and autophagy/mitophagy pathways that may contribute significantly to clinical signs and pathological features of sAD.
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Affiliation(s)
- Yuan Li
- Center for Healthy Aging, Department of Cellular and Molecular Medicine, University of Copenhagen, DK-2200, Copenhagen, Denmark
| | - Zhiquan Li
- Center for Healthy Aging, Department of Cellular and Molecular Medicine, University of Copenhagen, DK-2200, Copenhagen, Denmark
| | - Emanuela Grillo
- Department of Health Sciences, University Magna Græcia of Catanzaro, 88100, Catanzaro, Italy
| | - Claus Desler
- Center for Healthy Aging, Department of Cellular and Molecular Medicine, University of Copenhagen, DK-2200, Copenhagen, Denmark
| | - Claudia Navarro
- Center for Healthy Aging, Department of Cellular and Molecular Medicine, University of Copenhagen, DK-2200, Copenhagen, Denmark
| | - Vilhelm A Bohr
- Center for Healthy Aging, Department of Cellular and Molecular Medicine, University of Copenhagen, DK-2200, Copenhagen, Denmark; Section on DNA Repair, National Institute on Aging, 251 Bayview Blvd, Baltimore, MD, 21224, USA
| | - Laura Berliocchi
- Center for Healthy Aging, Department of Cellular and Molecular Medicine, University of Copenhagen, DK-2200, Copenhagen, Denmark; Department of Health Sciences, University Magna Græcia of Catanzaro, 88100, Catanzaro, Italy
| | - Lene Juel Rasmussen
- Center for Healthy Aging, Department of Cellular and Molecular Medicine, University of Copenhagen, DK-2200, Copenhagen, Denmark.
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166
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Zhang Q, Chen Z, Li J, Huang K, Ding Z, Chen B, Ren T, Xu P, Wang G, Zhang H, Zhang XD, Zhang J, Wang H. The deubiquitinase OTUD1 stabilizes NRF2 to alleviate hepatic ischemia/reperfusion injury. Redox Biol 2024; 75:103287. [PMID: 39079388 PMCID: PMC11340619 DOI: 10.1016/j.redox.2024.103287] [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: 07/03/2024] [Accepted: 07/26/2024] [Indexed: 08/09/2024] Open
Abstract
Hepatic ischemia/reperfusion (I/R) injury is an important cause of liver function impairment following liver surgery. The ubiquitin-proteasome system (UPS) plays a crucial role in protein quality control and has substantial impact on the hepatic I/R process. Although OTU deubiquitinase 1 (OTUD1) is involved in diverse biological processes, its specific functional implications in hepatic I/R are not yet fully understood. This study demonstrates that OTUD1 alleviates oxidative stress, apoptosis, and inflammation induced by hepatic I/R injury. Mechanistically, OTUD1 deubiquitinates and activates nuclear factor erythroid 2-related factor 2 (NRF2) through its catalytic site cysteine 320 residue and ETGE motif, thereby attenuating hepatic I/R injury. Additionally, administration of a short peptide containing the ETGE motif significantly mitigates hepatic I/R injury in mice. Overall, our study elucidates the mechanism and role of OTUD1 in ameliorating hepatic I/R injury, providing a theoretical basis for potential treatment using ETGE-peptide.
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Affiliation(s)
- Qi Zhang
- Department of Medical Genetics, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China; Department of Emergency Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China; National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan, 430068, China
| | - Zihan Chen
- Department of Medical Genetics, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Jinglei Li
- Department of Emergency Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Kunpeng Huang
- Department of Emergency Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Zhihao Ding
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Wuhan University, Wuhan, 430072, China
| | - Biao Chen
- Department of Emergency Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Tianxing Ren
- Department of Emergency Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Peng Xu
- Department of Emergency Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Guoliang Wang
- Department of Hepatobiliary Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Hongji Zhang
- Department of Surgery, University of Virginia, Charlottesville, VA, 22903, USA
| | - Xiao-Dong Zhang
- Hengyang Medical School, University of South China, Hengyang, 421001, China
| | - Jinxiang Zhang
- Department of Emergency Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
| | - Hui Wang
- Department of Medical Genetics, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China; Department of Emergency Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
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167
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Zhang Y, Pan X, Shi T, Gu Z, Yang Z, Liu M, Xu Y, Yang Y, Ren L, Song X, Lin H, Deng K. P450Rdb: A manually curated database of reactions catalyzed by cytochrome P450 enzymes. J Adv Res 2024; 63:35-42. [PMID: 37871773 DOI: 10.1016/j.jare.2023.10.012] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Revised: 10/03/2023] [Accepted: 10/20/2023] [Indexed: 10/25/2023] Open
Abstract
INTRODUCTION Cytochrome P450 enzymes (P450s) are recognized as the most versatile catalysts worldwide, playing vital roles in numerous biological metabolism and biosynthesis processes across all kingdoms of life. Despite the vast number of P450 genes available in databases (over 300,000), only a small fraction of them (less than 0.2 %) have undergone functional characterization. OBJECTIVES To provide a convenient platform with abundant information on P450s and their corresponding reactions, we introduce the P450Rdb database, a manually curated resource compiles literature-supported reactions catalyzed by P450s. METHODS All the P450s and Reactions were manually curated from the literature and known databases. Subsequently, the P450 reactions organized and categorized according to their chemical reaction type and site. The website was developed using HTML and PHP languages, with the MySQL server utilized for data storage. RESULTS The current version of P450Rdb catalogs over 1,600 reactions, involving more than 590 P450s across a diverse range of over 200 species. Additionally, it offers a user-friendly interface with comprehensive information, enabling easy querying, browsing, and analysis of P450s and their corresponding reactions. P450Rdb is free available at http://www.cellknowledge.com.cn/p450rdb/. CONCLUSIONS We believe that this database will significantly promote structural and functional research on P450s, thereby fostering advancements in the fields of natural product synthesis, pharmaceutical engineering, biotechnological applications, agricultural and crop improvement, and the chemical industry.
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Affiliation(s)
- Yang Zhang
- Innovative Institute of Chinese Medicine and Pharmacy, Academy for Interdiscipline, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Xianrun Pan
- College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Tianyu Shi
- School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu 610054, China
| | - Zhifeng Gu
- School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu 610054, China
| | - Zhaochang Yang
- School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu 610054, China
| | - Minghao Liu
- School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu 610054, China
| | - Yi Xu
- School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu 610054, China
| | - Yu Yang
- School of Healthcare Technology, Chengdu Neusoft University, Chengdu 611844, China
| | - Liping Ren
- School of Healthcare Technology, Chengdu Neusoft University, Chengdu 611844, China
| | - Xiaoming Song
- School of Life Sciences, North China University of Science and Technology, Tangshan 063210, China.
| | - Hao Lin
- School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu 610054, China.
| | - Kejun Deng
- School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu 610054, China.
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168
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Hazan S, Tauber M, Ben-Chaim Y. Voltage dependence of M2 muscarinic receptor antagonists and allosteric modulators. Biochem Pharmacol 2024; 227:116421. [PMID: 38996933 DOI: 10.1016/j.bcp.2024.116421] [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: 02/15/2024] [Revised: 06/12/2024] [Accepted: 07/09/2024] [Indexed: 07/14/2024]
Abstract
Muscarinic receptors are G protein-coupled receptors (GPCRs) that play a role in various physiological functions. Previous studies have shown that these receptors, along with other GPCRs, are voltage-sensitive; both their affinity toward agonists and their activation are regulated by membrane potential. To our knowledge, whether the effect of antagonists on these receptors is voltage-dependent has not yet been studied. In this study, we used Xenopus oocytes expressing the M2 muscarinic receptor (M2R) to investigate this question. Our results indicate that the potencies of two M2R antagonists, atropine and scopolamine, are voltage-dependent; they are more effective at resting potential than under depolarization. In contrast, the M2R antagonist AF-DX 386 did not exhibit voltage-dependent potency.Furthermore, we discovered that the voltage dependence of M2R activation by acetylcholine remains unchanged in the presence of two allosteric modulators, the negative modulator gallamine and the positive modulator LY2119620. These findings enhance our understanding of GPCRs' voltage dependence and may have pharmacological implications.
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Affiliation(s)
- Shimrit Hazan
- Department of Natural Sciences, The Open University of Israel, Ra'anana, Israel
| | - Merav Tauber
- Department of Natural Sciences, The Open University of Israel, Ra'anana, Israel
| | - Yair Ben-Chaim
- Department of Natural Sciences, The Open University of Israel, Ra'anana, Israel.
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169
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Norberg H, Andersson T, Håkansson E, Ängerud KH, Lindmark K. Assessment of a systematic approach for implementing novel medications in clinical practice: an observational study with dapagliflozin. Eur J Clin Pharmacol 2024; 80:1363-1371. [PMID: 38856725 PMCID: PMC11303502 DOI: 10.1007/s00228-024-03707-4] [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: 04/18/2024] [Accepted: 05/29/2024] [Indexed: 06/11/2024]
Abstract
OBJECTIVE To assess a systematic implementation approach for introducing dapagliflozin to individuals with heart failure and reduced ejection fraction in an outpatient clinical setting. METHODS Retrospective medical record data were analysed. All individuals diagnosed with heart failure who resided within the hospital catchment area and had visited cardiology or internal medicine department between 2010 and 2019 were screened by using the main inclusion criteria from the DAPA-HF trial. The effectiveness of the previously described seven-step systematic implementation approach was assessed by the proportion receiving information letter, dapagliflozin treatment, follow-ups at 2-12 weeks and 12 months post-dapagliflozin initiation, persistence on dapagliflozin, adverse events, and reasons for discontinuation. RESULTS Of the 2433 individuals, 352 met the main DAPA-HF trial criteria in step 2. After exclusions in steps 3 and 4, 191 individuals remained. Of these, 158 were invited for eligibility discussion in step 5, with 107 having received an information letter beforehand. In step 6, dapagliflozin was prescribed to 69 individuals, and in step 7, follow-ups were conducted with 56 individuals at 2-12 weeks and 62 individuals at 12 months. Sixty out of 69 persisted on dapagliflozin after 12 months. Adverse events were reported by nine individuals. Discontinuation was attributed to reasons such as urinary tract infections, genital or abdominal discomfort, and hypotension. CONCLUSION The systematic introduction of dapagliflozin to heart failure patients was effective. Despite this, challenges in uniformly implementing procedures across patients were evident, emphasizing the necessity for a systematic implementation approach.
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Affiliation(s)
- Helena Norberg
- Department of Medical and Translational Biology, Umeå University, S-901 87, Umeå, Sweden.
| | - Therese Andersson
- Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
| | - Erik Håkansson
- Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
| | | | - Krister Lindmark
- Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
- Department of Clinical Sciences, Danderyd Hospital, Karolinska Institute, Stockholm, Sweden
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170
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Li Y, Zhang J, Tian F, Anvarifard P, Li N. Association between vitamin D receptor polymorphism and breast cancer in women: An umbrella review of meta-analyses of observational investigations. Exp Gerontol 2024; 194:112502. [PMID: 38917941 DOI: 10.1016/j.exger.2024.112502] [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: 04/24/2024] [Revised: 06/13/2024] [Accepted: 06/22/2024] [Indexed: 06/27/2024]
Abstract
This study aimed to conduct an umbrella review of meta-analyses to synthesize the existing evidence regarding the relationship between vitamin D receptor (VDR) polymorphism and breast cancer (BC) risk. A comprehensive search was performed across multiple databases, including Embase, PubMed, Scopus, the Cochrane Database of Systematic Reviews, and the Web of Science. The investigation included 17 meta-analyses for the BsmI polymorphism, 6 for the Cdx2 polymorphism, and 6 for the Poly (A) polymorphism. Among the 119 datasets analyzed, only 6 (5 %) reported statistically significant outcomes (p < 0.05), comprising 2 comparisons for VDR BsmI polymorphism (3 %), 1 for VDR Cdx-2 polymorphism (4 %), and 3 for VDR Poly (A) polymorphism (14 %), across various genetic models. Notably, significant heterogeneity was observed in 82 comparisons, and publication bias was detected in 16 comparisons. Furthermore, a substantial proportion (86 %) of the included studies exhibited critically low methodological quality. In conclusion, our findings suggest that VDR polymorphism (BsmI, Cdx-2, and Poly (A)) is not strongly associated with BC risk in the general population.
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Affiliation(s)
- Yaxing Li
- The Third Department of Oncology, Hebei General Hospital, Shijiazhuang, Hebei 050051, China
| | - Junqin Zhang
- Department of Gynecology, Hebei General Hospital, Shijiazhuang, Hebei 050051, China
| | - Fei Tian
- Department of Gynecology, Hebei General Hospital, Shijiazhuang, Hebei 050051, China
| | - Paniz Anvarifard
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Na Li
- The Third Department of Oncology, Hebei General Hospital, Shijiazhuang, Hebei 050051, China.
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171
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Meng X, Mao H, Wan M, Lu L, Chen Z, Zhang L. Mitochondrial homeostasis in odontoblast: Physiology, pathogenesis and targeting strategies. Life Sci 2024; 352:122797. [PMID: 38917871 DOI: 10.1016/j.lfs.2024.122797] [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: 02/17/2024] [Revised: 04/15/2024] [Accepted: 06/04/2024] [Indexed: 06/27/2024]
Abstract
Caries and pulpitis remain a major global disease burden and affect the quality of life of patients. Odontoblasts are key players in the progression of caries and pulpitis, not only secreting and mineralizing to form dentin, but also acting as a wall of defense to initiate immune defenses. Mitochondrion is an information processor for numerous cellular activities, and dysregulation of mitochondrion homeostasis not only affects cellular metabolism but also triggers a wide range of diseases. Elucidating mitochondrial homeostasis in odontoblasts can help deepen scholars' understanding of odontoblast-associated diseases. Articles on mitochondrial homeostasis in odontoblasts were evaluated for information pertinent to include in this narrative review. This narrative review focused on understanding the complex interplay between mitochondrial homeostasis in odontoblasts under physiological and pathological conditions. Furthermore, mitochondria-centered therapeutic strategies (including mitochondrial base editing, targeting platforms, and mitochondrial transplantation) were emphasized by resolving key genes that regulate mitochondrial function. Mitochondria are involved in odontoblast differentiation and function, and act as mitochondrial danger-associated molecular patterns (mtDAMPs) to mediate odontoblast pathological progression. Novel mitochondria-centered therapeutic strategies are particularly attractive as emerging therapeutic approaches for the maintenance of mitochondrial homeostasis. It is expected to probe key events of odontoblast differentiation and advance the clinical resolution of dentin formation and mineralization disorders and odontoblast-related diseases.
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Affiliation(s)
- Xiang Meng
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan 430079, China.
| | - Hanqing Mao
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan 430079, China.
| | - Minting Wan
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan 430079, China.
| | - Linxin Lu
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan 430079, China.
| | - Zhi Chen
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan 430079, China; Department of Endodontics, School and Hospital of Stomatology, Wuhan University, HongShan District, LuoYu Road No. 237, Wuhan 430079, China.
| | - Lu Zhang
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan 430079, China; Department of Endodontics, School and Hospital of Stomatology, Wuhan University, HongShan District, LuoYu Road No. 237, Wuhan 430079, China.
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172
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Trevelyan CJ, MacCannell ADV, Stewart L, Tarousa T, Taylor HA, Murray M, Bageghni SA, Hemmings KE, Drinkhill MJ, Roberts LD, Smith AJ, Porter KE, Forbes KA, Turner NA. MiR-214-3p regulates Piezo1, lysyl oxidases and mitochondrial function in human cardiac fibroblasts. Matrix Biol 2024; 132:34-46. [PMID: 38925225 DOI: 10.1016/j.matbio.2024.06.005] [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: 05/20/2024] [Accepted: 06/20/2024] [Indexed: 06/28/2024]
Abstract
Cardiac fibroblasts are pivotal regulators of cardiac homeostasis and are essential in the repair of the heart after myocardial infarction (MI), but their function can also become dysregulated, leading to adverse cardiac remodelling involving both fibrosis and hypertrophy. MicroRNAs (miRNAs) are noncoding RNAs that target mRNAs to prevent their translation, with specific miRNAs showing differential expression and regulation in cardiovascular disease. Here, we show that miR-214-3p is enriched in the fibroblast fraction of the murine heart, and its levels are increased with cardiac remodelling associated with heart failure, or in the acute phase after experimental MI. Tandem mass tagging proteomics and in-silico network analyses were used to explore protein targets regulated by miR-214-3p in cultured human cardiac fibroblasts from multiple donors. Overexpression of miR-214-3p by miRNA mimics resulted in decreased expression and activity of the Piezo1 mechanosensitive cation channel, increased expression of the entire lysyl oxidase (LOX) family of collagen cross-linking enzymes, and decreased expression of an array of mitochondrial proteins, including mitofusin-2 (MFN2), resulting in mitochondrial dysfunction, as measured by citrate synthase and Seahorse mitochondrial respiration assays. Collectively, our data suggest that miR-214-3p is an important regulator of cardiac fibroblast phenotypes and functions key to cardiac remodelling, and that this miRNA represents a potential therapeutic target in cardiovascular disease.
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Affiliation(s)
- Christopher J Trevelyan
- Leeds Institute of Cardiovascular and Metabolic Medicine (LICAMM), School of Medicine, University of Leeds, Leeds LS2 9JT, UK
| | - Amanda D V MacCannell
- Leeds Institute of Cardiovascular and Metabolic Medicine (LICAMM), School of Medicine, University of Leeds, Leeds LS2 9JT, UK
| | - Leander Stewart
- Leeds Institute of Cardiovascular and Metabolic Medicine (LICAMM), School of Medicine, University of Leeds, Leeds LS2 9JT, UK
| | - Theodora Tarousa
- Leeds Institute of Cardiovascular and Metabolic Medicine (LICAMM), School of Medicine, University of Leeds, Leeds LS2 9JT, UK; School of Biomedical Sciences, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, UK
| | - Hannah A Taylor
- Leeds Institute of Cardiovascular and Metabolic Medicine (LICAMM), School of Medicine, University of Leeds, Leeds LS2 9JT, UK
| | - Michael Murray
- Leeds Institute of Cardiovascular and Metabolic Medicine (LICAMM), School of Medicine, University of Leeds, Leeds LS2 9JT, UK
| | - Sumia A Bageghni
- Leeds Institute of Cardiovascular and Metabolic Medicine (LICAMM), School of Medicine, University of Leeds, Leeds LS2 9JT, UK
| | - Karen E Hemmings
- Leeds Institute of Cardiovascular and Metabolic Medicine (LICAMM), School of Medicine, University of Leeds, Leeds LS2 9JT, UK
| | - Mark J Drinkhill
- Leeds Institute of Cardiovascular and Metabolic Medicine (LICAMM), School of Medicine, University of Leeds, Leeds LS2 9JT, UK
| | - Lee D Roberts
- Leeds Institute of Cardiovascular and Metabolic Medicine (LICAMM), School of Medicine, University of Leeds, Leeds LS2 9JT, UK
| | - Andrew J Smith
- School of Biomedical Sciences, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, UK
| | - Karen E Porter
- Leeds Institute of Cardiovascular and Metabolic Medicine (LICAMM), School of Medicine, University of Leeds, Leeds LS2 9JT, UK
| | - Karen A Forbes
- Leeds Institute of Cardiovascular and Metabolic Medicine (LICAMM), School of Medicine, University of Leeds, Leeds LS2 9JT, UK
| | - Neil A Turner
- Leeds Institute of Cardiovascular and Metabolic Medicine (LICAMM), School of Medicine, University of Leeds, Leeds LS2 9JT, UK.
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173
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Digranes N, Hoeberg E, Lervik A, Hubin A, Nordgreen J, Haga HA. Motor effects of fentanyl in isoflurane-anaesthetized pigs and the subsequent effect of ketanserin or naloxone. Vet Anaesth Analg 2024; 51:491-499. [PMID: 39142980 DOI: 10.1016/j.vaa.2024.07.002] [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: 11/15/2023] [Revised: 06/05/2024] [Accepted: 07/03/2024] [Indexed: 08/16/2024]
Abstract
OBJECTIVE To examine the effect of ketanserin and naloxone on fentanyl-induced motor activity in isoflurane-anaesthetized pigs. STUDY DESIGN Randomized, blinded, prospective two-group study. ANIMALS A group of 12 crossbred pigs weighing 22-31 kg. METHODS Fentanyl was administered to isoflurane-anaesthetized pigs at 7.5 μg kg-1 hour-1 for 40 minutes intravenously, followed by an intravenous injection of naloxone 0.1 mg kg-1 or ketanserin 1 mg kg-1. Electromyography (EMG) and accelerometry were used to record motor unit activity and tremors, respectively. To test the effect of drug administration on motor activity, data from a 5 minute period at baseline, immediately before and after antagonist injection were compared in a mixed model; p < 0.05. RESULTS Results are reported with the median difference, 95% confidence intervals and corresponding p-values in brackets. Fentanyl significantly increased EMG activity [30.51 (1.84-81.02) μV, p = 0.004] and induced tremors [0.09 (0.02-0.18) m s-2, p < 0.001] in 10 of 12 pigs. Ketanserin significantly reduced EMG [32.22 (6.29-136.80) μV, p = 0.001] and tremor [0.10 (0.03-0.15) m s-2, p = 0.007] activity. No significant effect was found for naloxone on EMG [26.76 (-13.28-91.17) μV, p = 0.4] or tremors [0.08 (-0.01-0.19) m s-2, p = 0.08]. CONCLUSIONS AND CLINICAL RELEVANCE Fentanyl can induce motor activity in anaesthetized pigs, with a suggested link to the serotonergic system. This study shows that ketanserin can antagonize this activity, which supports the role of serotonin. This knowledge contributes to the general understanding of the motor effects of fentanyl and especially the problem of tremors in anaesthetized pigs.
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Affiliation(s)
- Nora Digranes
- Department of Companion Animal Clinical Sciences, Faculty of Veterinary Medicine, Norwegian University of Life Sciences, Ås, Norway.
| | - Emma Hoeberg
- Department of Companion Animal Clinical Sciences, Faculty of Veterinary Medicine, Norwegian University of Life Sciences, Ås, Norway
| | | | - Aliaksandr Hubin
- Faculty of Chemistry, Biotechnology and Food Science, Norwegian University of Life Sciences, Ås, Norway
| | - Janicke Nordgreen
- Department of Paraclinical Sciences, Faculty of Veterinary Medicine, Norwegian University of Life Sciences, Ås, Norway
| | - Henning A Haga
- Department of Companion Animal Clinical Sciences, Faculty of Veterinary Medicine, Norwegian University of Life Sciences, Ås, Norway
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174
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Kawabata-Iwakawa R, Iwasa N, Satoh K, Colinge J, Shimada M, Takeuchi S, Fujiwara H, Eguchi H, Oishi T, Sugiyama T, Suzuki M, Hasegawa K, Fujiwara K, Nishiyama M. Prediction of response to promising first-line chemotherapy in ovarian cancer patients with residual peritoneal tumors: practical biomarkers and robust multiplex models. Int J Clin Oncol 2024; 29:1334-1346. [PMID: 38767719 DOI: 10.1007/s10147-024-02552-w] [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: 12/27/2023] [Accepted: 05/14/2024] [Indexed: 05/22/2024]
Abstract
BACKGROUND Platinum/taxane (TC) chemotherapy with debulking surgery stays the mainstay of the treatment in ovarian cancer patients with peritoneal metastasis, and recently its novel modality, intraperitoneal carboplatin with dose-dense paclitaxel (ddTCip), was shown to have greater therapeutic impact. Nevertheless, the response varies among patients and consequent recurrence, or relapse often occurs. Discovery of therapeutic response predictor to ddTCip and/or TC therapy is eagerly awaited to improve the treatment outcome. METHODS Using datasets in 76 participants in our ddTCip study and published databases on patients received TC therapy, we first validated a total of 75 previously suggested markers, sought out more active biomarkers through the association analyses of genome-wide transcriptome and genotyping data with progression-free survival (PFS) and adverse events, and then developed multiplex statistical prediction models for PFS and toxicity by mainly using multiple regression analysis and the classification and regression tree (CART) algorithm. RESULTS The association analyses revealed that SPINK1 could be a possible biomarker of ddTCip efficacy, while ABCB1 rs1045642 and ERCC1 rs11615 would be a predictor of hematologic toxicity and peripheral neuropathy, respectively. Multiple regression analyses and CART algorithm finally provided a potent efficacy prediction model using 5 gene expression data and robust multiplex toxicity prediction models-CART models using a total of 4 genotype combinations and multiple regression models using 15 polymorphisms on 12 genes. CONCLUSION Biomarkers and multiplex models composed here could work well in the response prediction of ddTCip and/or TC therapy, which might contribute to realize optimal selection of the key therapy.
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Grants
- DOFMET-08 Development Organization for Frontier Medical Education and Therapeutics in Japan
- H21-3rd Comprehensive 10-year Strategy for Cancer Control-010 Ministry of Health, Labour and Welfare
- University Reform Action Plan "Gunma University Initiative for Advanced Research (GIAR) Ministry of Education, Culture, Sports, Science, and Technology (JP)
- University Reform Action Plan "Gunma University Initiative for Advanced Research (GIAR)" Ministry of Education, Culture, Sports, Science, and Technology (JP)
- Promotion Plan for the Platform of Human Resource Development for Cancer Ministry of Education, Culture, Sports, Science, and Technology (JP)
- the Fostering Health Professionals for Changing Needs of Cancer Ministry of Education, Culture, Sports, Science, and Technology (JP)
- New Paradigms - Establishing Center for Fostering Medical Researchers of the Future Programs Ministry of Education, Culture, Sports, Science, and Technology (JP)
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Affiliation(s)
- Reika Kawabata-Iwakawa
- Division of Integrated Oncology Research, Gunma University Initiative for Advanced Research, Gunma University, Maebashi, Gunma, 371-8511, Japan
- Research Unit and Immunology and Inflammation, Department of Translational Research, Division of Sohyaku Innovative Research, Tanabe Mitsubishi Pharma, Osaka, Japan
| | - Norihiro Iwasa
- Department of Gynecologic Oncology, Saitama Medical University International Medical Center, Hidaka, Saitama, 350-1298, Japan
| | - Kenichi Satoh
- Faculty of Data Science, Shiga University, Hikone, Shiga, 522-8522, Japan
| | - Jacques Colinge
- Cancer Bioinformatics and System Biology, Institute of Cancer Research of Montpellier (IRCM), Inserm, University of Montpellier, ICM, 34298, Montpellier, France
| | - Muneaki Shimada
- Department of Gynecology and Obstetrics, Tohoku University Graduate School of Medicine, Sendai, Miyagi, 980-8574, Japan
- Department of Obstetrics and Gynecology, Tottori University School of Medicine, Yonago, Tottori, 683-8504, Japan
| | - Satoshi Takeuchi
- Department of Gynecology, Kobe Tokushukai Hospital, Kobe, Hyogo, 655-0017, Japan
- Department of Obstetrics and Gynecology, Iwate Medical University, Morioka, Iwate, 020-8505, Japan
| | - Hiroyuki Fujiwara
- Department of Obstetrics and Gynecology, Jichi Medical University, Shimotsuke, Tochigi, 329-0498, Japan
| | - Hidetaka Eguchi
- Division of Translational Research, Research Center for Genomic Medicine, Saitama Medical University, Hidaka, Saitama, 350-1241, Japan
- Diagnosis and Therapeutics of Intractable Diseases, Intractable Disease Research Center, Juntendo University Graduate School of Medicine, Tokyo, 113-8421, Japan
| | - Tetsuro Oishi
- Department of Obstetrics and Gynecology, Tottori University School of Medicine, Yonago, Tottori, 683-8504, Japan
- Department of Obstetrics and Gynecology, Matsue City Hospital, Matsue, Shimane, 690-8509, Japan
| | - Toru Sugiyama
- Department of Obstetrics and Gynecology, Iwate Medical University, Morioka, Iwate, 020-8505, Japan
- Department of Obstetrics and Gynecology, St. Mary's Hospital, Kurume, Fukuoka, 830-8543, Japan
| | - Mitsuaki Suzuki
- Department of Obstetrics and Gynecology, Tottori University School of Medicine, Yonago, Tottori, 683-8504, Japan
| | - Kosei Hasegawa
- Department of Gynecologic Oncology, Saitama Medical University International Medical Center, Hidaka, Saitama, 350-1298, Japan
- Project Research Division, Research Center for Genomic Medicine, Saitama Medical University, Hidaka, Saitama, 350-1241, Japan
| | - Keiichi Fujiwara
- Department of Gynecologic Oncology, Saitama Medical University International Medical Center, Hidaka, Saitama, 350-1298, Japan
- Project Research Division, Research Center for Genomic Medicine, Saitama Medical University, Hidaka, Saitama, 350-1241, Japan
| | - Masahiko Nishiyama
- Division of Integrated Oncology Research, Gunma University Initiative for Advanced Research, Gunma University, Maebashi, Gunma, 371-8511, Japan.
- Division of Translational Research, Research Center for Genomic Medicine, Saitama Medical University, Hidaka, Saitama, 350-1241, Japan.
- Project Research Division, Research Center for Genomic Medicine, Saitama Medical University, Hidaka, Saitama, 350-1241, Japan.
- Laboratory for Analytical Instruments, Education and Research Support Center, Gunma University Graduate School of Medicine, 3-39-22 Showa-Machi, Maebashi, Gunma, 371-8511, Japan.
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175
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Panayi MC, Shetty S, Porod M, Bahena L, Xi ZX, Newman AH, Schoenbaum G. The selective D 3Receptor antagonist VK4-116 reverses loss of insight caused by self-administration of cocaine in rats. Neuropsychopharmacology 2024; 49:1590-1599. [PMID: 38582939 PMCID: PMC11319511 DOI: 10.1038/s41386-024-01858-7] [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: 11/21/2023] [Accepted: 04/01/2024] [Indexed: 04/08/2024]
Abstract
Chronic psychostimulant use causes long-lasting changes to neural and cognitive function that persist after long periods of abstinence. As cocaine users transition from drug use to abstinence, a parallel transition from hyperactivity to hypoactivity has been found in orbitofrontal-striatal glucose metabolism and striatal D2/D3-receptor activity. Targeting these changes pharmacologically, using highly selective dopamine D3-receptor (D3R) antagonists and partial agonists, has shown promise in reducing drug-taking, and attenuating relapse in animal models of cocaine and opioid use disorder. However, much less attention has been paid to treating the loss of insight, operationalized as the inability to infer likely outcomes, associated with chronic psychostimulant use. Here we tested the selective D3R antagonist VK4-116 as a treatment for this loss in rats with a prior history of cocaine use. Male and female rats were first trained to self-administer cocaine or a sucrose liquid for 2 weeks. After 4 weeks of abstinence, performance was assessed using a sensory preconditioning (SPC) learning paradigm. Rats were given VK4-116 (15 mg/kg, i.p.) or vehicle 30 min prior to each SPC training session, thus creating four drug-treatment groups: sucrose-vehicle, sucrose-VK4-116, cocaine-vehicle, cocaine-VK4-116. The control groups (sucrose-vehicle, sucrose-VK4-116) showed normal sensory preconditioning, whereas cocaine use (cocaine-vehicle) selectively disrupted responding to the preconditioned cue, an effect that was reversed in the cocaine-VK4-116 group, which demonstrating responding to the preconditioned cue at levels comparable to controls. These preclinical findings demonstrate that highly selective dopamine D3R antagonists, particularly VK4-116, can reverse the long-term negative behavioral consequences of cocaine use.
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Affiliation(s)
- Marios C Panayi
- National Institute on Drug Abuse Intramural Research Program, 251 Bayview Boulevard, Baltimore, MD, 21224, USA.
| | - Shohan Shetty
- National Institute on Drug Abuse Intramural Research Program, 251 Bayview Boulevard, Baltimore, MD, 21224, USA
| | - Micaela Porod
- National Institute on Drug Abuse Intramural Research Program, 251 Bayview Boulevard, Baltimore, MD, 21224, USA
| | - Lisette Bahena
- National Institute on Drug Abuse Intramural Research Program, 251 Bayview Boulevard, Baltimore, MD, 21224, USA
| | - Zheng-Xiong Xi
- National Institute on Drug Abuse Intramural Research Program, 251 Bayview Boulevard, Baltimore, MD, 21224, USA
| | - Amy Hauck Newman
- National Institute on Drug Abuse Intramural Research Program, 251 Bayview Boulevard, Baltimore, MD, 21224, USA
| | - Geoffrey Schoenbaum
- National Institute on Drug Abuse Intramural Research Program, 251 Bayview Boulevard, Baltimore, MD, 21224, USA.
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176
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Gon Y, Sorimachi R, Yoshida Y, Tamai Y, Takashima I, Arita Y, Sugiura H. Real-World Treatment Patterns and Patient-Reported Outcomes in Chronic Obstructive Pulmonary Disease in Japan: The REMIND Study. Adv Ther 2024; 41:3585-3597. [PMID: 39046695 PMCID: PMC11349777 DOI: 10.1007/s12325-024-02927-5] [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: 04/25/2024] [Accepted: 06/12/2024] [Indexed: 07/25/2024]
Abstract
INTRODUCTION Symptom status and treatment changes among patients with chronic obstructive pulmonary disease (COPD) using inhaler treatment in real-world clinical settings are not well understood, particularly according to class of treatment. We investigated the proportion of symptomatic patients among those with COPD using inhaler treatment, based on COPD Assessment Test (CAT) scores in clinical practice, and changes in inhaler treatments and symptoms at 1-year follow-up. METHODS This was a retrospective analysis of data from a multicenter, prospective cohort study conducted at medical institutions with respiratory specialists in Japan. The primary endpoint was the proportion of patients with CAT scores ≥ 10 or < 10 in each inhaler treatment group at registration. RESULTS Of 414 patients in the full analysis set, 76 (18.4%), 261 (63.0%), and 77 (18.6%) were using long-acting muscarinic antagonist (LAMA), LAMA + long-acting β2-agonist (LABA), and inhaled corticosteroids (ICS) + LABA, respectively, at registration. The proportions of patients with CAT scores ≥ 10 or < 10 per inhaler treatment group at registration, respectively, were 32.9% and 67.1% in the LAMA group, 55.0% and 45.0% in the LAMA + LABA group, and 50.0% and 50.0% in the ICS + LABA group. Most patients (> 75%) in each inhaler treatment group showed no change in inhaler treatment at 1 year, regardless of their CAT score at registration. Approximately 70-80% of patients with CAT scores ≥ 10 at registration still had CAT scores ≥ 10 at 1 year; 10-30% of patients with CAT scores < 10 at registration had CAT scores ≥ 10 at 1 year. CONCLUSION In real-world Japanese clinical practice, a considerable proportion of patients have persistent symptoms (CAT score ≥ 10) despite using mono or dual inhaler treatment; > 75% of symptomatic patients with COPD using inhaler treatment did not undergo treatment escalation at 1-year follow-up and remained symptomatic. TRIAL REGISTRATION ClinicalTrials.gov identifier, NCT05903989.
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Affiliation(s)
- Yasuhiro Gon
- Division of Respiratory Medicine, Department of Internal Medicine, Nihon University School of Medicine, 30-1 Oyaguchi Kamicho, Itabashi, Tokyo, 173-8610, Japan.
| | | | - Yuri Yoshida
- Medical Department, AstraZeneca K.K., Osaka, Japan
| | - Yoichi Tamai
- Medical Department, AstraZeneca K.K., Osaka, Japan
| | | | | | - Hisatoshi Sugiura
- Department of Respiratory Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan
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Wang X, Chen S, Wang X, Song Z, Wang Z, Niu X, Chen X, Chen X. Application of artificial hibernation technology in acute brain injury. Neural Regen Res 2024; 19:1940-1946. [PMID: 38227519 DOI: 10.4103/1673-5374.390968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Accepted: 10/20/2023] [Indexed: 01/17/2024] Open
Abstract
Controlling intracranial pressure, nerve cell regeneration, and microenvironment regulation are the key issues in reducing mortality and disability in acute brain injury. There is currently a lack of effective treatment methods. Hibernation has the characteristics of low temperature, low metabolism, and hibernation rhythm, as well as protective effects on the nervous, cardiovascular, and motor systems. Artificial hibernation technology is a new technology that can effectively treat acute brain injury by altering the body's metabolism, lowering the body's core temperature, and allowing the body to enter a state similar to hibernation. This review introduces artificial hibernation technology, including mild hypothermia treatment technology, central nervous system regulation technology, and artificial hibernation-inducer technology. Upon summarizing the relevant research on artificial hibernation technology in acute brain injury, the research results show that artificial hibernation technology has neuroprotective, anti-inflammatory, and oxidative stress-resistance effects, indicating that it has therapeutic significance in acute brain injury. Furthermore, artificial hibernation technology can alleviate the damage of ischemic stroke, traumatic brain injury, cerebral hemorrhage, cerebral infarction, and other diseases, providing new strategies for treating acute brain injury. However, artificial hibernation technology is currently in its infancy and has some complications, such as electrolyte imbalance and coagulation disorders, which limit its use. Further research is needed for its clinical application.
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Affiliation(s)
- Xiaoni Wang
- Graduate School of Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Shulian Chen
- Characteristic Medical Center of People's Armed Police Forces, Tianjin, China
| | - Xiaoyu Wang
- Characteristic Medical Center of People's Armed Police Forces, Tianjin, China
| | - Zhen Song
- Graduate School of Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Ziqi Wang
- Graduate School of Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Xiaofei Niu
- Graduate School of Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Xiaochu Chen
- Characteristic Medical Center of People's Armed Police Forces, Tianjin, China
| | - Xuyi Chen
- Characteristic Medical Center of People's Armed Police Forces, Tianjin, China
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178
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Deiab NS, Kodous AS, Mahfouz MK, Said AM, Ghobashy MM, Abozaid OAR. Smart Hesperidin/Chitosan Nanogel Mitigates Apoptosis and Endoplasmic Reticulum Stress in Fluoride and Aluminum-Induced Testicular Injury. Biol Trace Elem Res 2024; 202:4106-4124. [PMID: 38087036 PMCID: PMC11252208 DOI: 10.1007/s12011-023-03991-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Accepted: 11/29/2023] [Indexed: 07/18/2024]
Abstract
Fluoride and aluminum are ubiquitous toxic metals with adverse reproductive effects. The citrus flavonoid hesperidin has protective activities but poor solubility and bioavailability. Nanoparticulate delivery systems can improve flavonoid effectiveness. We conducted this study to prepare a pH-responsive chitosan-based nanogel for hesperidin delivery and evaluate its effectiveness against sodium fluoride (NaF) and aluminum chloride (AlCl3) induced testicular toxicity in mice. The nanogel was synthesized using 2 kGy gamma irradiation, enabling a size under 200 nm and enhanced hesperidin release at pH 6 matching testicular acidity. Male mice received 200 mg/kg AlCl3 and 10 mg/kg NaF daily for 30 days. Hesperidin nanogel at 20 mg/kg was administered orally either prophylactically (pretreatment) or after intoxication (posttreatment). The results showed that AlCl3 + NaF induced severe oxidative stress, hormonal disturbance, apoptosis, and endoplasmic reticulum stress, evidenced by significant changes in the studied parameters and testicular histological damage. Hesperidin nanogel administration significantly inhibited oxidative stress markers, restored luteinizing hormone (LH), follicle-stimulating hormone (FSH), and testosterone levels, and alleviated tissue damage compared to the intoxicated group. It also downregulated the expression level of pro-apoptotic genes Bax, caspase-3, caspase-9, and P38MAPK, while upregulating the expression level of the anti-apoptotic BCL2 gene. Endoplasmic reticulum stress sensors PERK, ATF6, and IRE-α were also downregulated by the nanogel. The chitosan-based nanogel enhanced the delivery and efficacy of poorly bioavailable hesperidin, exhibiting remarkable protective effects against AlCl3 and NaF reproductive toxicity. This innovative nanosystem represents a promising approach to harnessing bioactive phytochemicals with delivery challenges, enabling protective effects against chemical-induced testicular damage.
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Affiliation(s)
- Nora S Deiab
- Biochemistry and Molecular Biology Department, Faculty of Veterinary Medicine, Benha University, Benha, Al Qalyubiyah, Egypt.
| | - Ahmad S Kodous
- Radiation Biology Department, National Center for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority, P.O. Box 13759, Cairo, Egypt
- Department of Molecular Oncology, Cancer Institute (WIA), P.O. Box 600036, 38, Sardar Patel Road, Chennai, Tamilnadu, India
| | - Mohamed K Mahfouz
- Biochemistry and Molecular Biology Department, Faculty of Veterinary Medicine, Benha University, Benha, Al Qalyubiyah, Egypt
| | - Alshaimaa M Said
- Biochemistry and Molecular Biology Department, Faculty of Veterinary Medicine, Benha University, Benha, Al Qalyubiyah, Egypt
| | - Mohamed Mohamady Ghobashy
- Radiation Research of Polymer Chemistry Department, National Center for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), Cairo, Egypt
| | - Omayma A R Abozaid
- Biochemistry and Molecular Biology Department, Faculty of Veterinary Medicine, Benha University, Benha, Al Qalyubiyah, Egypt
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179
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den Hollander LS, IJzerman AP, Heitman LH. Pharmacological characterization of allosteric modulators: A case for chemokine receptors. Med Res Rev 2024; 44:2291-2306. [PMID: 38634664 DOI: 10.1002/med.22043] [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: 07/27/2023] [Revised: 04/03/2024] [Accepted: 04/08/2024] [Indexed: 04/19/2024]
Abstract
Chemokine receptors are relevant targets for a multitude of immunological diseases, but drug attrition for these receptors is remarkably high. While many drug discovery programs have been pursued, most prospective drugs failed in the follow-up studies due to clinical inefficacy, and hence there is a clear need for alternative approaches. Allosteric modulators of receptor function represent an excellent opportunity for novel drugs, as they modulate receptor activation in a controlled manner and display increased selectivity, and their pharmacological profile can be insurmountable. Here, we discuss allosteric ligands and their pharmacological characterization for modulation of chemokine receptors. Ligands are included if (1) they show clear signs of allosteric modulation in vitro and (2) display evidence of binding in a topologically distinct manner compared to endogenous chemokines. We discuss how allosteric ligands affect binding of orthosteric (endogenous) ligands in terms of affinity as well as binding kinetics in radioligand binding assays. Moreover, their effects on signaling events in functional assays and how their binding site can be elucidated are specified. We substantiate this with examples of published allosteric ligands targeting chemokine receptors and hypothetical graphs of pharmacological behavior. This review should serve as an effective starting point for setting up assays for characterizing allosteric ligands to develop safer and more efficacious drugs for chemokine receptors and, ultimately, other G protein-coupled receptors.
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Affiliation(s)
- Lisa S den Hollander
- Leiden Academic Centre for Drug Research, Division of Drug Discovery and Safety, Leiden, The Netherlands
| | - Adriaan P IJzerman
- Leiden Academic Centre for Drug Research, Division of Drug Discovery and Safety, Leiden, The Netherlands
| | - Laura H Heitman
- Leiden Academic Centre for Drug Research, Division of Drug Discovery and Safety, Leiden, The Netherlands
- Oncode Institute, Leiden, The Netherlands
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180
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de Bruijn VMP, Rietjens IMCM. From hazard to risk prioritization: a case study to predict drug-induced cholestasis using physiologically based kinetic modeling. Arch Toxicol 2024; 98:3077-3095. [PMID: 38755481 PMCID: PMC11324677 DOI: 10.1007/s00204-024-03775-6] [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] [Accepted: 04/25/2024] [Indexed: 05/18/2024]
Abstract
Cholestasis is characterized by hepatic accumulation of bile acids. Clinical manifestation of cholestasis only occurs in a small proportion of exposed individuals. The present study aims to develop a new approach methodology (NAM) to predict drug-induced cholestasis as a result of drug-induced hepatic bile acid efflux inhibition and the resulting bile acid accumulation. To this end, hepatic concentrations of a panel of drugs were predicted by a generic physiologically based kinetic (PBK) drug model. Their effects on hepatic bile acid efflux were incorporated in a PBK model for bile acids. The predicted bile acid accumulation was used as a measure for a drug's cholestatic potency. The selected drugs were known to inhibit hepatic bile acid efflux in an assay with primary suspension-cultured hepatocytes and classified as common, rare, or no for cholestasis incidence. Common cholestasis drugs included were atorvastatin, chlorpromazine, cyclosporine, glimepiride, ketoconazole, and ritonavir. The cholestasis incidence of the drugs appeared not to be adequately predicted by their Ki for inhibition of hepatic bile acid efflux, but rather by the AUC of the PBK model predicted internal hepatic drug concentration at therapeutic dose level above this Ki. People with slower drug clearance, a larger bile acid pool, reduced bile salt export pump (BSEP) abundance, or given higher than therapeutic dose levels were predicted to be at higher risk to develop drug-induced cholestasis. The results provide a proof-of-principle of using a PBK-based NAM for cholestasis risk prioritization as a result of transporter inhibition and identification of individual risk factors.
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Affiliation(s)
| | - Ivonne M C M Rietjens
- Division of Toxicology, Wageningen University and Research, Wageningen, The Netherlands.
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181
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Carl C, Wagner M, Linxweiler M, Schick B, Tschernig T. Immunohistochemical expression of the cation channel TRPC6 in the submandibular and lacrimal gland and in salivary gland tumors. Pathol Res Pract 2024; 261:155483. [PMID: 39098247 DOI: 10.1016/j.prp.2024.155483] [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: 03/11/2024] [Revised: 07/17/2024] [Accepted: 07/22/2024] [Indexed: 08/06/2024]
Abstract
BACKGROUND Canonical transient receptor potential channels play a crucial role in cancer cell proliferation. While TRPC6 subtype detection in submandibular glands and the relevance of some TRPC channels in this gland have been shown in animal models, its histological detection in human lacrimal and submandibular glands, as well as related tumors, lacks systematic study. Studying TRPC6 in humans could lead to new therapeutic options. This research aimed to immunohistochemically detect TRPC6 in human samples of physiological lacrimal and submandibular glands and of adenoid cystic carcinoma and mucoepidermoid carcinoma. METHODS Seven fixed body donors and samples of six cancer patients were examined. The ten tissue samples collected from the submandibular and lacrimal glands were then processed into histological slides and stained with hematoxylin-eosin. Tumor samples were provided as sections. TRPC6 presence was determined by immunohistochemistry, which was performed by indirect detection with a primary TRPC6 antibody, a secondary HRP-conjugated antibody and the chromogen diaminobenzidine. RESULTS Results confirm TRPC6 expression in all ten physiological gland samples: all samples showed a immunohistochemical signal with varying intensity. No significant gender-specific differences could be observed. TRPC6 was detected in four of six submandibular adenoid cystic carcinoma and the mucoepidermoid carcinoma samples, especially in tumor cells' cytoplasma and nuclei. Excretory ducts consistently showed TRPC6. Mucous tubules, their nuclei and the nuclei of adipocytes generally showed no signal while serous acini and their nuclei showed a weak TRPC6 signal. CONCLUSION The discovery of TRPC6 in glandular tissue indicates a role in salivary gland function and calcium homeostasis is a basis for further research into its significance for tumor development in adenoid cystic carcinoma and mucoepidermoid carcinoma of salivary glands. TRPC6 could be used as a target for treatment of these tumors. However, the correlation between TRPC6 and submandibular and lacrimal gland diseases requires further exploration.
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Affiliation(s)
- Céline Carl
- Institute for Anatomy and Cell Biology, Saarland University, Homburg 66421, Germany
| | - Mathias Wagner
- Institute of General and Surgical Pathology, Saarland University Medical Center, Homburg 66421, Germany
| | - Maximilian Linxweiler
- Department of Otorhinolaryngology, Head and Neck Surgery; Saarland University Medical Center, Homburg 66421, Germany
| | - Bernhard Schick
- Department of Otorhinolaryngology, Head and Neck Surgery; Saarland University Medical Center, Homburg 66421, Germany
| | - Thomas Tschernig
- Institute for Anatomy and Cell Biology, Saarland University, Homburg 66421, Germany.
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182
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Leite-Aguiar R, Bello-Santos VG, Castro NG, Coutinho-Silva R, Savio LEB. Techniques for evaluating the ATP-gated ion channel P2X7 receptor function in macrophages and microglial cells. J Immunol Methods 2024; 532:113727. [PMID: 38997100 DOI: 10.1016/j.jim.2024.113727] [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: 02/19/2024] [Revised: 05/31/2024] [Accepted: 07/08/2024] [Indexed: 07/14/2024]
Abstract
Resident macrophages are tissue-specific innate immune cells acting as sentinels, constantly patrolling their assigned tissue to maintain homeostasis, and quickly responding to pathogenic invaders or molecular danger signals molecules when necessary. Adenosine triphosphate (ATP), when released to the extracellular medium, acts as a danger signal through specific purinergic receptors. Interaction of ATP with the purinergic receptor P2X7 activates macrophages and microglial cells in different pathological conditions, triggering inflammation. The highly expressed P2X7 receptor in these cells induces cell membrane permeabilization, inflammasome activation, cell death, and the production of inflammatory mediators, including cytokines and nitrogen and oxygen-reactive species. This review explores the techniques to evaluate the functional and molecular aspects of the P2X7 receptor, particularly in macrophages and microglial cells. Polymerase chain reaction (PCR), Western blotting, and immunocytochemistry or immunohistochemistry are essential for assessing gene and protein expression in these cell types. Evaluation of P2X7 receptor function involves the use of ATP and selective agonists and antagonists and diverse techniques, including electrophysiology, intracellular calcium measurements, ethidium bromide uptake, and propidium iodide cell viability assays. These techniques are crucial for studying the role of P2X7 receptors in immune responses, neuroinflammation, and various pathological conditions. Therefore, a comprehensive understanding of the functional and molecular aspects of the P2X7 receptor in macrophages and microglia is vital for unraveling its involvement in immune modulation and its potential as a therapeutic target. The methodologies presented and discussed herein offer valuable tools for researchers investigating the complexities of P2X7 receptor signaling in innate immune cells in health and disease.
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Affiliation(s)
- Raíssa Leite-Aguiar
- Laboratório de Imunofisiologia, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | | | | | - Robson Coutinho-Silva
- Laboratório de Imunofisiologia, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Luiz Eduardo Baggio Savio
- Laboratório de Imunofisiologia, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil..
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183
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Shen B, Wen Y, Li S, Zhou Y, Chen J, Yang J, Zhao C, Wang J. Paeonol ameliorates hyperlipidemia and autophagy in mice by regulating Nrf2 and AMPK/mTOR pathways. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 132:155839. [PMID: 38943694 DOI: 10.1016/j.phymed.2024.155839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 05/31/2024] [Accepted: 06/20/2024] [Indexed: 07/01/2024]
Abstract
BACKGROUND Hyperlipidemia, inadequate diet, and excessive medication increase the risk of cardiovascular disease. Paeonl (Pae), a phenolic compound found in Peony and Angelica dahurica, can alleviate lipid metabolism disorders and lipotoxicity. However, the molecular mechanism of Pae alleviating hyperlipidemia remains unclear and needs to be further explored. PURPOSE In this study, we explored whether Pae can prevent hyperlipidemia and investigated the molecular mechanisms. METHODS The effects of Pae (30, 45, 60mg·kg-1) on hyperlipidemia in Tyloapol-induced WT mice and Nrf2 knockout mice (Pae: 60mg·kg-1) were detected by oil red O staining, HE staining, TG, TC and other indexes. The expression levels of proinflammatory mediators, key lipid proteins and autophagy signaling pathway proteins were analyzed by enzyme-linked immunosorbent assay, western blot and immunofluorescence. The molecular mechanism of Pae alleviating hyperlipidemia was explored through molecular docking technique and in vivo and in vitro experiments. RESULTS Several studies indicated that Pae effectively improved tyloxapol (Ty)-induced lipid metabolism disorder, as evidenced by decreased triglyceride content, increased carnitine palmitoyltransferase 1 (CPT1), and Sirtuin 1 (Sirt1) protein expression. In addition, Pae ameliorated hyperlipidemia by activating the AMPK/ACC and PI3K/mTOR pathways. Interestingly, the therapeutic effect of Pae on hyperlipidemia was markedly reduced in Nrf2-/- mice. Molecular docking results indicated that Pae and Nrf2 exhibited good binding ability, suggesting that Nrf2 is a core target mediating the effects of Pae in the treatment of hyperlipidemia. Taken together, Pae alleviated hyperlipidemia in vivo and ameliorated lipid accumulation in vitro by activating AMPK/ACC and PI3K/mTOR signaling pathways via Nrf2 binding. CONCLUSION Our data suggest that paeonol can ameliorate hyperlipidemia and autophagy in mice by regulating Nrf2 and AMPK/mTOR pathways, and it has potential therapeutic value in the occurrence and development of hyperlipidemia.
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Affiliation(s)
- Bingyu Shen
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Yongqiang Wen
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Shengxin Li
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Yi Zhou
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Junlin Chen
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Jiaqi Yang
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Chenxu Zhao
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi 712100, China.
| | - Jianguo Wang
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi 712100, China.
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184
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Scheggi S, Concas L, Corsi S, Carta M, Melis M, Frau R. Expanding the therapeutic potential of neuro(active)steroids: a promising strategy for hyperdopaminergic behavioral phenotypes. Neurosci Biobehav Rev 2024; 164:105842. [PMID: 39103066 DOI: 10.1016/j.neubiorev.2024.105842] [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: 05/23/2024] [Revised: 07/10/2024] [Accepted: 08/01/2024] [Indexed: 08/07/2024]
Abstract
Imbalances in dopamine activity significantly contribute to the pathophysiology of several neuropsychiatric disorders, including addiction, ADHD, schizophrenia, impulse control disorders, and Parkinson's Disease. Neuro(active)steroids, comprising endogenous steroids that finely modulate neuronal activity, are considered crucial regulators of brain function and behavior, with implications in various physiological processes and pathological conditions. Specifically, subclasses of Neuro(active)steroids belonging to the 5α reductase pathway are prominently involved in brain disorders characterized by dopaminergic signaling imbalances. This review highlights the neuromodulatory effects of Neuro(active)steroids on the dopamine system and related aberrant behavioral phenotypes. We critically appraise the role of pregnenolone, progesterone, and allopregnanolone on dopamine signaling. Additionally, we discuss the impact of pharmacological interventions targeting 5α reductase activity in neuropsychiatric conditions characterized by excessive activation of the dopaminergic system, ranging from psychotic (endo)phenotypes and motor complications to decision-making problems and addiction.
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Affiliation(s)
- Simona Scheggi
- Dept. of Molecular and Developmental Medicine, University of Siena, Italy
| | - Luca Concas
- Dept. Of Biomedical Sciences, University of Cagliari, Italy
| | - Sara Corsi
- Dept. of Developmental and Regenerative Neurobiology, Lund University, Sweden
| | - Manolo Carta
- Dept. Of Biomedical Sciences, University of Cagliari, Italy
| | - Miriam Melis
- Dept. Of Biomedical Sciences, University of Cagliari, Italy
| | - Roberto Frau
- Dept. Of Biomedical Sciences, University of Cagliari, Italy; Guy Everett Laboratory, University of Cagliari, Cagliari, Italy.
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Nadinda PG, van Laarhoven AIM, Van den Bergh O, Vlaeyen JWS, Peters ML, Evers AWM. Expectancies and avoidance: Towards an integrated model of chronic somatic symptoms. Neurosci Biobehav Rev 2024; 164:105808. [PMID: 38986893 DOI: 10.1016/j.neubiorev.2024.105808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2024] [Revised: 06/23/2024] [Accepted: 07/07/2024] [Indexed: 07/12/2024]
Affiliation(s)
- Putu Gita Nadinda
- Leiden University, the Netherlands; Maastricht University, the Netherlands.
| | | | | | - Johan W S Vlaeyen
- Maastricht University, the Netherlands; Katholieke Universiteit Leuven, Belgium
| | | | - Andrea W M Evers
- Leiden University, the Netherlands; Medical Delta, Leiden University, Technical University Delft, and Erasmus University Rotterdam, the Netherlands
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186
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Polasek TM, Peck RW. Beyond Population-Level Targets for Drug Concentrations: Precision Dosing Needs Individual-Level Targets that Include Superior Biomarkers of Drug Responses. Clin Pharmacol Ther 2024; 116:602-612. [PMID: 38328977 DOI: 10.1002/cpt.3197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Accepted: 01/17/2024] [Indexed: 02/09/2024]
Abstract
The purpose of precision dosing is to increase the chances of therapeutic success in individual patients. This is achieved in practice by adjusting doses to reach precision dosing targets determined previously in relevant populations, ideally with robust supportive evidence showing improved clinical outcomes compared with standard dosing. But is this implicit assumption of translatable population-level precision dosing targets correct and the best for all patients? In this review, the types of precision dosing targets and how they are determined are outlined, problems with the translatability of these targets to individual patients are identified, and ways forward to address these challengers are proposed. Achieving improved clinical outcomes to support precision dosing over standard dosing is currently hampered by applying population-level targets to all patients. Just as "one-dose-fits-all" may be an inappropriate philosophy for drug treatment overall, a "one-target-fits-all" philosophy may limit the broad clinical benefits of precision dosing. Defining individual-level precision dosing targets may be needed for greatest therapeutic success. Superior future precision dosing targets will integrate several biomarkers that together account for the multiple sources of drug response variability.
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Affiliation(s)
- Thomas M Polasek
- Centre for Medicine Use and Safety, Monash University, Melbourne, Victoria, Australia
- CMAX Clinical Research, Adelaide, South Australia, Australia
| | - Richard W Peck
- Department of Pharmacology and Therapeutics, University of Liverpool, Liverpool, UK
- Pharma Research & Development (pRED), Roche Innovation Center Basel, Basel, Switzerland
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187
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Mosa FES, Alqahtani MA, El-Ghiaty MA, El-Mahrouk SR, Barakat K, El-Kadi AOS. Modulation of aryl hydrocarbon receptor activity by tyrosine kinase inhibitors (ponatinib and tofacitinib). Arch Biochem Biophys 2024; 759:110088. [PMID: 38992456 DOI: 10.1016/j.abb.2024.110088] [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: 06/05/2024] [Accepted: 07/08/2024] [Indexed: 07/13/2024]
Abstract
Ponatinib and tofacitinib, established kinase inhibitors and FDA-approved for chronic myeloid leukemia and rheumatoid arthritis, are recently undergoing investigation in diverse clinical trials for potential repurposing. The aryl hydrocarbon receptor (AhR), a transcription factor influencing a spectrum of physiological and pathophysiological activities, stands as a therapeutic target for numerous diseases. This study employs molecular modelling tools and in vitro assays to identify ponatinib and tofacitinib as AhR ligands, elucidating their binding and molecular interactions in the AhR PAS-B domain. Molecular docking analyses revealed that ponatinib and tofacitinib occupy the central pocket within the primary cavity, similar to AhR agonists 2,3,7,8-tetrachlorodibenzodioxin (TCDD) and (benzo[a]pyrene) B[a]P. Our simulations also showed that these compounds exhibit good stability, stabilizing many hot spots within the PAS-B domain, including the Dα-Eα loop, which serves as a regulatory element for the binding pocket. Binding energy calculations highlighted ponatinib's superior predicted affinity, revealing F295 as a crucial residue in maintaining strong interaction with the two compounds. Our in vitro data suggest that ponatinib functions as an AhR antagonist, blocking the downstream signaling of AhR pathway induced by TCDD and B[a]P. Additionally, both tofacitinib and ponatinib cause impairment in AhR-regulated CYP1A1 enzyme activity induced by potent AhR agonists. This study unveils ponatinib and tofacitinib as potential modulators of AhR, providing valuable insights into their therapeutic roles in AhR-associated diseases and enhancing our understanding of the intricate relationship between kinase inhibitors and AhR.
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Affiliation(s)
- Farag E S Mosa
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, Alberta, Canada
| | - Mohammed A Alqahtani
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, Alberta, Canada
| | - Mahmoud A El-Ghiaty
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, Alberta, Canada
| | - Sara R El-Mahrouk
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, Alberta, Canada
| | - Khaled Barakat
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, Alberta, Canada
| | - Ayman O S El-Kadi
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, Alberta, Canada.
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188
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Gould A, Dargan PI, Wood DM. An Internet Snapshot Survey Assessing the sale of Synthetic Cannabinoid Receptor Agonists for use with Electronic Vaping Devices. J Med Toxicol 2024; 20:271-277. [PMID: 38839732 PMCID: PMC11288222 DOI: 10.1007/s13181-024-01013-0] [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: 02/29/2024] [Revised: 05/02/2024] [Accepted: 05/20/2024] [Indexed: 06/07/2024] Open
Abstract
INTRODUCTION Synthetic cannabinoid receptor agonists (SCRAs) are associated with significant toxicity and are increasingly used in electronic vaping devices. We assessed the availability of SCRA vaping products to UK purchasers on the surface web. METHODS An internet snapshot survey was performed between October 2022 and January 2023 on 'google.com' using the search terms "buy c-liquid vape", "buy herbal incense vape liquid", "buy cannabis vape liquid", "buy hashish vape liquid", "buy K2 vape liquid". RESULTS 62 websites selling 128 SCRA vaping brands were identified. Most were purportedly based in the USA (41 websites, 66%) and most sold other controlled substances. Purchase incentives offered included discreet packaging (38, 61%), discounts for bulk purchase (34, 55%) and tracked delivery (30, 48%). Many websites stated SCRA products were: not for human consumption (41, 66%), for research purposes only (15, 24%), or legal (28, 45%). Websites sold a median (IQR) of 16 (7-25) SCRA vaping brands. Almost all were bottles of vaping liquid (1220/1225, 99.6%). The most common bottle size was 5mL (60%), the median (IQR) total volume of SCRA liquid per sale was 50mL (10-200mL). Median (IQR) price was £3.39/mL (£2.01/mL- £5.29/mL). Price decreased with increasing volume purchased (£6.58/mL for ≤ 5mL, £1.60/mL for > 200mL). CONCLUSION SCRA vaping products are easily obtainable online, in both small and bulk quantities. Information provided to purchasers on safety and legality is lacking or misleading. Further studies are needed to confirm the chemistry of these products. Policymakers should consider steps to limit the potential harm caused by the purchase and use of these products.
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Affiliation(s)
- Allon Gould
- Respiratory Medicine, Whipps Cross University Hospital, Barts Health NHS Trust, London, UK.
| | - Paul I Dargan
- Clinical Toxicology, Guy's and St Thomas' NHS Foundation Trust, London, UK
- Clinical Toxicology, Faculty of Life Sciences and Medicine, King's College London, London, UK
| | - David M Wood
- Clinical Toxicology, Guy's and St Thomas' NHS Foundation Trust, London, UK
- Clinical Toxicology, Faculty of Life Sciences and Medicine, King's College London, London, UK
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189
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Pan C, Xu Y, Jiang Z, Fan C, Chi Z, Zhang Y, Miao M, Ren Y, Wu Z, Xu L, Mei C, Chen Q, Xi Y, Chen X. Naringenin relieves paclitaxel-induced pain by suppressing calcitonin gene-related peptide signalling and enhances the anti-tumour action of paclitaxel. Br J Pharmacol 2024; 181:3136-3159. [PMID: 38715438 DOI: 10.1111/bph.16397] [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: 06/16/2023] [Revised: 02/01/2024] [Accepted: 03/21/2024] [Indexed: 08/03/2024] Open
Abstract
BACKGROUND AND PURPOSE Chemotherapy-induced peripheral neuropathy (CIPN) commonly causes neuropathic pain, but its pathogenesis remains unclear, and effective therapies are lacking. Naringenin, a natural dihydroflavonoid compound, has anti-inflammatory, anti-nociceptive and anti-tumour activities. However, the effects of naringenin on chemotherapy-induced pain and chemotherapy effectiveness remain unexplored. EXPERIMENTAL APPROACH Female and male mouse models of chemotherapy-induced pain were established using paclitaxel. Effects of naringenin were assessed on pain induced by paclitaxel or calcitonin gene-related peptide (CGRP) and on CGRP expression in dorsal root ganglia (DRG) and spinal cord tissue. Additionally, we examined peripheral macrophage infiltration, glial activation, c-fos expression, DRG neuron excitability, microglial M1/M2 polarization, and phosphorylation of spinal NF-κB. Furthermore, we investigated the synergic effect and related mechanisms of naringenin and paclitaxel on cell survival of cancer cells in vitro. KEY RESULTS Systemic administration of naringenin attenuated paclitaxel-induced pain in both sexes. Naringenin reduced paclitaxel-enhanced CGRP expression in DRGs and the spinal cord, and alleviated CGRP-induced pain in naïve mice of both sexes. Naringenin mitigated macrophage infiltration and reversed paclitaxel-elevated c-fos expression and DRG neuron excitability. Naringenin decreased spinal glial activation and NF-κB phosphorylation in both sexes but influenced microglial M1/M2 polarization only in females. Co-administration of naringenin with paclitaxel enhanced paclitaxel's anti-tumour effect, impeded by an apoptosis inhibitor. CONCLUSION AND IMPLICATIONS Naringenin's anti-nociceptive mechanism involves CGRP signalling and neuroimmunoregulation. Furthermore, naringenin facilitates paclitaxel's anti-tumour action, possibly involving apoptosis. This study demonstrates naringenin's potential as a supplementary treatment in cancer therapy by mitigating side effects and potentiating efficacy of chemotherapy.
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Affiliation(s)
- Chen Pan
- Zhejiang Key Laboratory of Pathophysiology, Health Science Center, Ningbo University, Ningbo, China
| | - Yuhao Xu
- Zhejiang Key Laboratory of Pathophysiology, Health Science Center, Ningbo University, Ningbo, China
| | - Zongsheng Jiang
- Zhejiang Key Laboratory of Pathophysiology, Health Science Center, Ningbo University, Ningbo, China
| | - Chengjiang Fan
- Zhejiang Key Laboratory of Pathophysiology, Health Science Center, Ningbo University, Ningbo, China
| | - Zhexi Chi
- Department of Anesthesiology, Ningbo No. 2 Hospital, Ningbo, China
| | - Yu Zhang
- Zhejiang Key Laboratory of Pathophysiology, Health Science Center, Ningbo University, Ningbo, China
| | - Mengmeng Miao
- Zhejiang Key Laboratory of Pathophysiology, Health Science Center, Ningbo University, Ningbo, China
| | - Yuxuan Ren
- Zhejiang Key Laboratory of Pathophysiology, Health Science Center, Ningbo University, Ningbo, China
| | - Ziyi Wu
- Zhejiang Key Laboratory of Pathophysiology, Health Science Center, Ningbo University, Ningbo, China
| | - Linbin Xu
- Zhejiang Key Laboratory of Pathophysiology, Health Science Center, Ningbo University, Ningbo, China
| | - Changqing Mei
- Zhejiang Key Laboratory of Pathophysiology, Health Science Center, Ningbo University, Ningbo, China
| | - Qingge Chen
- Department of Anesthesiology, Ningbo No. 2 Hospital, Ningbo, China
- Department of Anesthesiology, The People's Hospital of Bozhou, Bozhou, China
| | - Yang Xi
- Zhejiang Key Laboratory of Pathophysiology, Health Science Center, Ningbo University, Ningbo, China
| | - Xiaowei Chen
- Zhejiang Key Laboratory of Pathophysiology, Health Science Center, Ningbo University, Ningbo, China
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190
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Aumer T, Däther M, Bergmayr L, Kartika S, Zeng T, Ge Q, Giorgio G, Hess AJ, Michalakis S, Traube FR. The type of DNA damage response after decitabine treatment depends on the level of DNMT activity. Life Sci Alliance 2024; 7:e202302437. [PMID: 38906675 PMCID: PMC11192838 DOI: 10.26508/lsa.202302437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Revised: 06/08/2024] [Accepted: 06/11/2024] [Indexed: 06/23/2024] Open
Abstract
Decitabine and azacytidine are considered as epigenetic drugs that induce DNA methyltransferase (DNMT)-DNA crosslinks, resulting in DNA hypomethylation and damage. Although they are already applied against myeloid cancers, important aspects of their mode of action remain unknown, highly limiting their clinical potential. Using a combinatorial approach, we reveal that the efficacy profile of both compounds primarily depends on the level of induced DNA damage. Under low DNMT activity, only decitabine has a substantial impact. Conversely, when DNMT activity is high, toxicity and cellular response to both compounds are dramatically increased, but do not primarily depend on DNA hypomethylation or RNA-associated processes. By investigating proteome dynamics on chromatin, we show that decitabine induces a strictly DNMT-dependent multifaceted DNA damage response based on chromatin recruitment, but not expression-level changes of repair-associated proteins. The choice of DNA repair pathway hereby depends on the severity of decitabine-induced DNA lesions. Although under moderate DNMT activity, mismatch (MMR), base excision (BER), and Fanconi anaemia-dependent DNA repair combined with homologous recombination are activated in response to decitabine, high DNMT activity and therefore immense replication stress induce activation of MMR and BER followed by non-homologous end joining.
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Affiliation(s)
- Tina Aumer
- Institute of Chemical Epigenetics Munich, Department of Chemistry, University of Munich (LMU), München, Germany
- https://ror.org/02kkvpp62 TUM School of Natural Sciences, Technical University of Munich (TUM), München, Germany
| | - Maike Däther
- Institute of Chemical Epigenetics Munich, Department of Chemistry, University of Munich (LMU), München, Germany
- https://ror.org/02kkvpp62 TUM School of Natural Sciences, Technical University of Munich (TUM), München, Germany
| | - Linda Bergmayr
- https://ror.org/02kkvpp62 TUM School of Natural Sciences, Technical University of Munich (TUM), München, Germany
| | - Stephanie Kartika
- Department of Biochemistry, University of Munich (LMU), München, Germany
| | - Theodor Zeng
- https://ror.org/02kkvpp62 TUM School of Natural Sciences, Technical University of Munich (TUM), München, Germany
| | - Qingyi Ge
- https://ror.org/02kkvpp62 TUM School of Natural Sciences, Technical University of Munich (TUM), München, Germany
| | - Grazia Giorgio
- Department of Ophthalmology, University Hospital LMU Munich, München, Germany
| | - Alexander J Hess
- https://ror.org/02kkvpp62 TUM School of Natural Sciences, Technical University of Munich (TUM), München, Germany
| | | | - Franziska R Traube
- Institute of Chemical Epigenetics Munich, Department of Chemistry, University of Munich (LMU), München, Germany
- https://ror.org/02kkvpp62 TUM School of Natural Sciences, Technical University of Munich (TUM), München, Germany
- Institute of Biochemistry and Technical Biochemistry, University of Stuttgart, Stuttgart, Germany
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191
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Gao K, Chen Z, Zhang N, Jiang P. High throughput virtual screening and validation of Plant-Based EGFR L858R kinase inhibitors against Non-Small cell lung Cancer: An integrated approach Utilizing GC-MS, network Pharmacology, Docking, and molecular dynamics. Saudi Pharm J 2024; 32:102139. [PMID: 39139718 PMCID: PMC11318564 DOI: 10.1016/j.jsps.2024.102139] [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: 04/01/2024] [Accepted: 07/03/2024] [Indexed: 08/15/2024] Open
Abstract
Lung cancer ranks as the 2nd most common cancer globally. It's the most prevalent cancer in men and the 2nd most common in women. The prominent events in EGFR-mutated non-small-cell lung cancer (NSCLC) include the emergence of the L858R mutation within EGFR exon 21. Despite the promising efficacy of EGFR inhibitors in managing lung cancer, the development of acquired resistance poses a significant hurdle. In the current investigation, we focused on the screening of two phytochemicals, namely Dehydrocostus lactone and Mokkolactone, derived from the Saussurea lappa plant, as potential inhibitors targeting EGFR L858R mutant lung cancer. The chloroform and ethanol extract of the plant demonstrated anti-proliferative activity through the Resazurin chemosensitivity assay, exhibiting an IC50 value of 37.90 ± 0.29 µg/ml with selectivity index 2.4. Through a GC-MS study, we identified 11 phytochemicals for further insilico analysis. These compounds underwent ADMET assessment followed by drug likeliness analysis before being subjected to molecular docking against EGFR L858R, identified through protein-protein interaction network analysis. All phytochemicals exhibited binding energy scores ranging from -6.9 to -8.1 kcal/mol. Dehydrocostus lactone and Mokkolactone were specifically identified for their binding profile. Findings from 100 ns molecular dynamics simulations demonstrated their enhanced stability compared to the reference ligand DJK. This was evident in the root mean square deviation (RMSD) values, ranging from 0.23 ± 0.01 nm to 0.30 ± 0.05 nm, the radius of gyration values, from 1.71 ± 0.01 nm to 1.72 ± 0.01 nm, and the solvent accessible surface area values, from 155.39 ± 2.40 nm2 to 159.32 ± 2.14 nm2. Additionally, favourable characteristics were observed in terms of hydrogen bonding, principal component analysis, and free energy landscape analysis. Examination of their electronic structure via density functional theory revealed efficient properties, with the highest occupied molecular orbital-least unoccupied molecular orbital energy gap values ranging from -3.984 eV to -6.547 eV. Further, in vivo analysis is required to gain a more comprehensive understanding and efficacy of these identified phytochemicals against lung cancer.
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Affiliation(s)
- Kun Gao
- Thoracic Surgery Department, Fourth Hospital of Hebei Medical University, No.12 Jiankang Road, Shijiazhuang City, Hebei Province 050000, China
| | - Zujian Chen
- Thoracic Surgery Department, Linxi County People’s Hospital, Xingtai City Linxi County People’s Hospital New Campus 054900, China
| | - Na Zhang
- Department of Radiation Oncology, The Fourth Hospital of Hebei Medical University, No. 1,2 Jiankang Road, Shijiazhuang City, Hebei Province, Shijiazhuang 050000, China
| | - Pu Jiang
- Thoracic Surgery Department, Fourth Hospital of Hebei Medical University, No.12 Jiankang Road, Shijiazhuang City, Hebei Province 050000, China
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192
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Janssen Daalen JM, Doesburg D, Hunik L, Kessel R, Herngreen T, Knol D, Ruys T, van den Bemt BJF, Schers HJ. Model-Informed Precision Dosing Using Machine Learning for Levothyroxine in General Practice: Development, Validation and Clinical Simulation Trial. Clin Pharmacol Ther 2024; 116:824-833. [PMID: 38711388 DOI: 10.1002/cpt.3293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Accepted: 04/22/2024] [Indexed: 05/08/2024]
Abstract
Levothyroxine is one of the most prescribed drugs in the western world. Dosing is challenging due to high-interindividual differences in effective dosage and the narrow therapeutic window. Model-informed precision dosing (MIPD) using machine learning could assist general practitioners (GPs), but no such models exist for primary care. Furthermore, introduction of decision-support algorithms in healthcare is limited due to the substantial gap between developers and clinicians' perspectives. We report the development, validation, and a clinical simulation trial of the first MIPD application for primary care. Stable maintenance dosage of levothyroxine was the model target. The multiclass model generates predictions for individual patients, for different dosing classes. Random forest was trained and tested on a national primary care database (n = 19,004) with a final weighted AUC across dosing options of 0.71, even in subclinical hypothyroidism. TSH, fT4, weight, and age were most predictive. To assess the safety, feasibility, and clinical impact of MIPD for levothyroxine, we performed clinical simulation studies in GPs and compared MIPD to traditional prescription. Fifty-one GPs selected starting dosages for 20 primary hypothyroidism cases without and then with MIPD 2 weeks later. Overdosage and underdosage were defined as higher and lower than 12.5 μg relative to stable maintenance dosage. MIPD decreased overdosage in number (30.5 to 23.9%, P < 0.01) and magnitude (median 50 to 37.5 μg, P < 0.01) and increased optimal starting dosages (18.3 to 30.2%, P < 0.01). GPs considered lab results more often with MIPD and most would use the model frequently. This study demonstrates the clinical relevance, safety, and effectiveness of MIPD for levothyroxine in primary care.
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Affiliation(s)
- Jules M Janssen Daalen
- Department of Neurology, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, The Netherlands
| | | | - Liesbeth Hunik
- Department of Primary and Community Care, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Rogier Kessel
- Amsterdam Data Collective, Amsterdam, The Netherlands
| | | | - Dennis Knol
- Amsterdam Data Collective, Amsterdam, The Netherlands
| | - Thony Ruys
- Amsterdam Data Collective, Amsterdam, The Netherlands
| | - Bart J F van den Bemt
- Department of Primary and Community Care, Radboud University Medical Center, Nijmegen, The Netherlands
- Department of Pharmacy, Sint Maartenskliniek, Nijmegen, The Netherlands
- Department of Clinical Pharmacy and Toxicology, Maastricht University Medical Center+, Maastricht, The Netherlands
| | - Henk J Schers
- Department of Primary and Community Care, Radboud University Medical Center, Nijmegen, The Netherlands
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193
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Cansız D, Özokan G, Bilginer A, Işıkoğlu S, Mızrak Z, Ünal İ, Beler M, Alturfan AA, Emekli-Alturfan E. Effects of benzoic acid synthesized from Cinnamomum cassia by green chemistry on valproic acid-induced neurotoxicity in zebrafish embryos. Toxicol Mech Methods 2024; 34:833-843. [PMID: 38888055 DOI: 10.1080/15376516.2024.2364899] [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: 02/29/2024] [Accepted: 06/02/2024] [Indexed: 06/20/2024]
Abstract
Benzoic acid, the most basic aromatic carboxylic acid, is produced industrially and used in cosmetic, hygiene, and pharmaceutical items as a flavoring ingredient and/or preservative. The significance of sodium benzoate, a metabolite of cinnamon, used as a food preservative and FDA-approved medication to treat urea cycle abnormalities in humans, has been shown to raise the levels of neurotrophic factors. Valproic acid (VPA), a commonly used anti-epileptic and mood-stabilizing medication, causes behavioral and intellectual problems and is a commonly used agent to induce animal model for autism. Aim of this study is to determine the effects of benzoic acid synthesized from Cinnamomum Cassia by green chemistry method on gene expressions related to autism development in case of VPA toxicity. Zebrafish embryos were exposed to low and high doses of benzoic acid for 72 h post-fertilization. Locomotor activities were determined. Acetylcholinesterase (AchE), lipid peroxidation, nitric oxide (NO), sialic acid (SA), glutathione (GSH)-S-transferase, catalase (CAT), and superoxide dismutase (SOD) activities were determined spectrophotometrically. eif4b, adsl, and shank3a expressions were determined by RT-PCR as autism-related genes. Although high-dose benzoic acid inhibited locomotor activity, benzoic acid at both doses ameliorated VPA-induced disruption in oxidant-antioxidant balance and inflammation in zebrafish embryos and was effective in improving the impaired expression of autism-related genes.
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Affiliation(s)
- Derya Cansız
- Istanbul Medipol University, Faculty of Medicine, Medical Biochemistry, Istanbul, Türkiye
| | - Gökhan Özokan
- BioArge Laboratories, Yıldız Technical University Technocity, Istanbul, Türkiye
| | - Abdulkerim Bilginer
- BioArge Laboratories, Yıldız Technical University Technocity, Istanbul, Türkiye
| | - Semanur Işıkoğlu
- Department of Biochemistry, Institute of Health Sciences, Faculty of Pharmacy, Marmara University, Istanbul, Türkiye
| | - Zülal Mızrak
- Department of Biochemistry, Institute of Health Sciences, Faculty of Pharmacy, Marmara University, Istanbul, Türkiye
| | - İsmail Ünal
- Department of Biochemistry, Institute of Health Sciences, Faculty of Pharmacy, Marmara University, Istanbul, Türkiye
| | - Merih Beler
- Department of Biochemistry, Institute of Health Sciences, Faculty of Pharmacy, Marmara University, Istanbul, Türkiye
| | - A Ata Alturfan
- Department of Biochemistry, Faculty of Medicine, Istanbul University-Cerrahpaşa, Istanbul, Türkiye
| | - Ebru Emekli-Alturfan
- Department of Basic Medical Sciences, Faculty of Dentistry, Marmara University, Istanbul, Türkiye
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194
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Daneshmand M, SalarAmoli J, BaghbanZadeh N. A QSAR study for predicting malformation in zebrafish embryo. Toxicol Mech Methods 2024; 34:743-749. [PMID: 38586962 DOI: 10.1080/15376516.2024.2338907] [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: 03/01/2024] [Accepted: 03/30/2024] [Indexed: 04/09/2024]
Abstract
BACKGROUND Developmental toxicity tests are extremely expensive, require a large number of animals, and are time-consuming. It is necessary to develop a new approach to simplify the analysis of developmental endpoints. One of these endpoints is malformation, and one group of ongoing methods for simplifying is in silico models. In this study, we aim to develop a quantitative structure-activity relationship (QSAR) model and identify the best algorithm for predicting malformations, as well as the most important and effective physicochemical properties associated with malformation. METHODS The dataset was extracted from a reliable database called COMPTOX. Physicochemical properties (descriptors) were calculated using Mordred and RDKit chemoinformatics software. The data were cleaned, preprocessed, and then split into training and testing sets. Machine learning algorithms, such as gradient boosting model (GBM) and logistic regression (LR), as well as deep learning models, including multilayer perceptron (MLP) and neural networks (NNs) trained with train set data and different sets of descriptors. The models were then validated with test set and various statistical parameters, such as Matthew's correlation coefficient (MCC) and balanced accuracy (BAC) score, were used to compare the models. RESULTS A set of descriptors containing with 78% AUC was identified as the best set of descriptors. Gradient boosting was determined to be the best algorithm with 78% predictive power. CONCLUSIONS The descriptors that were the most effective for developing models directly impact the mechanism of malformation, and GBM is the best model due to its MCC and BAC.
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Affiliation(s)
- Mahsa Daneshmand
- Department of Comparative Bioscience, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - Jamileh SalarAmoli
- Department of Comparative Bioscience, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
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195
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Witherspoon JG, Hall JR, Jima D, Atkins HM, Wamsley NT, Major MB, Weissman BE, Smart RC. Mutant Nrf2 E79Q enhances the promotion and progression of a subset of oncogenic Ras keratinocytes and skin tumors. Redox Biol 2024; 75:103261. [PMID: 38963974 PMCID: PMC11269801 DOI: 10.1016/j.redox.2024.103261] [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: 02/29/2024] [Revised: 06/27/2024] [Accepted: 06/28/2024] [Indexed: 07/06/2024] Open
Abstract
Squamous cell carcinomas (SCCs), including lung, head & neck, bladder, and skin SCCs often display constitutive activation of the KEAP1-NRF2 pathway. Constitutive activation is achieved through multiple mechanisms, including activating mutations in NFE2L2 (NRF2). To determine the functional consequences of Nrf2 activation on skin SCC development, we assessed the effects of mutant Nrf2E79Q expression, one of the most common activating mutations in human SCCs, on tumor promotion and progression in the mouse skin multistage carcinogenesis model using a DMBA-initiation/TPA-promotion protocol where the Hras A->T mutation (Q61L) is the canonical driver mutation. Nrf2E79Q expression was temporally and conditionally activated in the epidermis at two stages of tumor development: 1) after DMBA initiation in the epidermis but before cutaneous tumor development and 2) in pre-existing DMBA-initiated/TPA-promoted squamous papillomas. Expression of Nrf2E79Q in the epidermis after DMBA initiation but before tumor occurrence inhibited the development/promotion of 70% of squamous papillomas. However, the remaining papillomas often displayed non-canonical Hras and Kras mutations and enhanced progression to SCCs compared to control mice expressing wildtype Nrf2. Nrf2E79Q expression in pre-existing tumors caused rapid regression of 60% of papillomas. The remaining papillomas displayed the expected canonical Hras A->T mutation (Q61L) and enhanced progression to SCCs. These results demonstrate that mutant Nrf2E79Q enhances the promotion and progression of a subset of skin tumors and alters the frequency and diversity of oncogenic Ras mutations when expressed early after initiation.
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Affiliation(s)
| | - Jonathan R Hall
- Department of Biological Sciences, North Carolina State University, USA; Toxicology Graduate Program, North Carolina State University, USA; Center for Human Health and the Environment, North Carolina State University, USA
| | - Dereje Jima
- Center for Human Health and the Environment, North Carolina State University, USA
| | - Hannah M Atkins
- Center for Human Health and the Environment, North Carolina State University, USA; Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill School of Medicine, USA
| | - Nathan T Wamsley
- Department of Cell Biology and Physiology, Washington University at St Louis, USA
| | - Michael B Major
- Department of Cell Biology and Physiology, Washington University at St Louis, USA
| | - Bernard E Weissman
- Department of Pathology and Laboratory Medicine, University of North Carolina at Chapel Hill School of Medicine, USA; Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill School of Medicine, USA.
| | - Robert C Smart
- Department of Biological Sciences, North Carolina State University, USA; Toxicology Graduate Program, North Carolina State University, USA; Center for Human Health and the Environment, North Carolina State University, USA.
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196
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Yu H, Guo M, Wang X, Zhang J, Sun H, Zhang X, Yang M, Luo F, Wu L, Zhou L. Nitenpyram in tea: Eco-friendly detection methodology and residue behavior. Food Res Int 2024; 192:114679. [PMID: 39147536 DOI: 10.1016/j.foodres.2024.114679] [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: 05/06/2024] [Revised: 06/16/2024] [Accepted: 06/26/2024] [Indexed: 08/17/2024]
Abstract
Studies on nitenpyram determination and behavior within tea remain limited despite its widespread use as a neonicotinoid. An organic-saving analytical approach tailored for the detection of nitenpyram in tea was established. Nitenpyram was extracted by boiling water and cleaned up by Cleanert PCX solid-phase. The average recoveries were 75.1-94.5 %, with relative standard deviations (RSDs) of 0.7-8.6 % for saving 34.5-88.6 % organic solvent. The limits of quantification (LOQs) were 0.002 mg·kg-1 in fresh tea shoots, 0.005 mg·kg-1 in made tea, and 0.001 mg·L-1 in tea brew, satisfying the current minimum Maximum Residue Limit (MRL). Nitenpyram dissipated rapidly with half-lives of 1.2-1.4 days at the recommended dosage (27 g a.i. ha-1) in two locations. Remarkably, 20-110 % of nitenpyram was leached out from made tea in different brewing modes. This work provides insights into nitenpyram's rational application in tea cultivation and offers considerations to institutions tasked with unestablished MRLs in tea.
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Affiliation(s)
- Huan Yu
- Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 310008, China.
| | - Mingming Guo
- Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 310008, China.
| | - Xinru Wang
- Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 310008, China; Key Laboratory of Tea Quality and Safety Control, Ministry of Agriculture and Rural Affairs, Hangzhou 310008, China.
| | - Jiazhen Zhang
- Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 310008, China.
| | - Hezhi Sun
- Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 310008, China; Key Laboratory of Tea Quality and Safety Control, Ministry of Agriculture and Rural Affairs, Hangzhou 310008, China.
| | - Xinzhong Zhang
- Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 310008, China; Key Laboratory of Tea Quality and Safety Control, Ministry of Agriculture and Rural Affairs, Hangzhou 310008, China.
| | - Mei Yang
- Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 310008, China; Key Laboratory of Tea Quality and Safety Control, Ministry of Agriculture and Rural Affairs, Hangzhou 310008, China.
| | - Fengjian Luo
- Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 310008, China; Key Laboratory of Tea Quality and Safety Control, Ministry of Agriculture and Rural Affairs, Hangzhou 310008, China.
| | - Luchao Wu
- Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 310008, China.
| | - Li Zhou
- Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 310008, China; Key Laboratory of Tea Quality and Safety Control, Ministry of Agriculture and Rural Affairs, Hangzhou 310008, China.
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197
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Summer M, Ashraf R, Ali S, Bach H, Noor S, Noor Q, Riaz S, Khan RRM. Inflammatory response of nanoparticles: Mechanisms, consequences, and strategies for mitigation. CHEMOSPHERE 2024; 363:142826. [PMID: 39002651 DOI: 10.1016/j.chemosphere.2024.142826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2024] [Revised: 07/08/2024] [Accepted: 07/09/2024] [Indexed: 07/15/2024]
Abstract
Numerous nano-dimensioned materials have been generated as a result of several advancements in nanoscale science such as metallic nanoparticles (mNPs) which have aided in the advancement of related research. As a result, several significant nanoscale materials are being produced commercially. It is expected that in the future, products that are nanoscale, like mNPs, will be useful in daily life. Despite certain benefits, widespread use of metallic nanoparticles and nanotechnology has negative effects and puts human health at risk because of their continual accumulation in closed biological systems, along with their complex and diverse migratory and transformation pathways. Once within the human body, nanoparticles (NPs) disrupt the body's natural biological processes and trigger inflammatory responses. These NPs can also affect the immune system by activating separate pathways that either function independently or interact with one another. Cytotoxic effects, inflammatory response, genetic material damage, and mitochondrial dysfunction are among the consequences of mNPs. Oxidative stress and reactive oxygen species (ROS) generation caused by mNPs depend upon a multitude of factors that allow NPs to get inside cells and interact with biological macromolecules and cell organelles. This review focuses on how mNPs cause inflammation and oxidative stress, as well as disrupt cellular signaling pathways that support these effects. In addition, possibilities and problems to be reduced are addressed to improve future research on the creation of safer and more environmentally friendly metal-based nanoparticles for commercial acceptance and sustainable use in medicine and drug delivery.
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Affiliation(s)
- Muhammad Summer
- Medical Toxicology and Biochemistry Laboratory, Department of Zoology, Government College University, Lahore, 54000, Pakistan.
| | - Rimsha Ashraf
- Medical Toxicology and Biochemistry Laboratory, Department of Zoology, Government College University, Lahore, 54000, Pakistan
| | - Shaukat Ali
- Medical Toxicology and Biochemistry Laboratory, Department of Zoology, Government College University, Lahore, 54000, Pakistan
| | - Horacio Bach
- Department of Medicine, Division of Infectious Diseases, 2660 Oak Street, Vancouver, BC, V6H3Z6, Canada
| | - Shehzeen Noor
- Medical Toxicology and Biochemistry Laboratory, Department of Zoology, Government College University, Lahore, 54000, Pakistan
| | - Qudsia Noor
- Medical Toxicology and Biochemistry Laboratory, Department of Zoology, Government College University, Lahore, 54000, Pakistan
| | - Saima Riaz
- Medical Toxicology and Biochemistry Laboratory, Department of Zoology, Government College University, Lahore, 54000, Pakistan
| | - Rana Rashad Mahmood Khan
- Department of Chemistry, Government College University Lahore, Faculty of Chemistry and Life Sciences, Pakistan
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198
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Subba R, Fasciolo G, Geremia E, Muscari Tomajoli MT, Petito A, Carrella S, Mondal AC, Napolitano G, Venditti P. Simultaneous induction of systemic hyperglycaemia and stress impairs brain redox homeostasis in the adult zebrafish. Arch Biochem Biophys 2024; 759:110101. [PMID: 39029645 DOI: 10.1016/j.abb.2024.110101] [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: 04/21/2024] [Revised: 07/15/2024] [Accepted: 07/16/2024] [Indexed: 07/21/2024]
Abstract
For diabetic patients it is crucial to constantly monitor blood glucose levels to mitigate complications due to hyperglycaemia, including neurological issues and cognitive impairments. This activity leads to psychological stress, called "diabetes distress," a problem for most patients living with diabetes. Diabetes distress can exacerbate the hyperglycaemia effects on brain and negatively impact the quality of life, but the underlying mechanisms remain poorly explored. We simulated diabetes distress in adult zebrafish by modelling hyperglycaemia, through exposure to dextrose solution, along with chronic unpredictable mild stress (CUMS), and evaluated brain redox homeostasis by assessing reactive oxygen species (ROS) content, the antioxidant system, and effects on mitochondrial biogenesis and fission/fusion processes. We also evaluated the total, cytosolic and nuclear content of nuclear factor erythroid 2-related factor 2 (NRF2), a critical regulator of redox balance, in the whole brain and total NRF2 in specific brain emotional areas. The combined CUMS + Dextrose challenge, but not the individual treatments, reduced total NRF2 levels in the entire brain, but strongly increased its levels in the nuclear fraction. Compensatory upregulation of antioxidant genes appeared inadequate to combat elevated levels of ROS, leading to lowering of the reduced glutathione content and total antioxidant capacity. CUMS + Dextrose treatment also upregulated transcription factors implicated in mitochondrial biogenesis and dynamics with a predominance of fission, which is consistent with increased oxidative stress. In conclusion, this study highlights the close interplay between hyperglycaemia and psychological distress causing overriding oxidative stress in the brain, rendering the organism vulnerable to the development of disease complications.
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Affiliation(s)
- Rhea Subba
- Laboratory of Cellular and Molecular Neurobiology, School of Life Sciences, Jawaharlal Nehru University, New Delhi, India, 110067
| | - Gianluca Fasciolo
- Department of Biology, University of Naples Federico II, Naples, Italy; Ecosustainable Marine Biotechnology Department, Stazione Zoologica Anton Dohrn, Via Acton 55, Napoli, 80133, Italy
| | - Eugenio Geremia
- International PhD Programme, UNESCO Chair "Environment, Resources and Sustainable Development", Department of Science and Technology, Parthenope University of Naples, 80143, Naples, Italy
| | - Maria Teresa Muscari Tomajoli
- International PhD Programme, UNESCO Chair "Environment, Resources and Sustainable Development", Department of Science and Technology, Parthenope University of Naples, 80143, Naples, Italy
| | - Adriana Petito
- Department of Biology, University of Naples Federico II, Naples, Italy
| | - Sabrina Carrella
- Ecosustainable Marine Biotechnology Department, Stazione Zoologica Anton Dohrn, Via Acton 55, Napoli, 80133, Italy
| | - Amal Chandra Mondal
- Laboratory of Cellular and Molecular Neurobiology, School of Life Sciences, Jawaharlal Nehru University, New Delhi, India, 110067.
| | - Gaetana Napolitano
- International PhD Programme, UNESCO Chair "Environment, Resources and Sustainable Development", Department of Science and Technology, Parthenope University of Naples, 80143, Naples, Italy.
| | - Paola Venditti
- Department of Biology, University of Naples Federico II, Naples, Italy.
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199
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Su J, Xu J, Hu S, Ye H, Xie L, Ouyang S. Advances in small-molecule insulin secretagogues for diabetes treatment. Biomed Pharmacother 2024; 178:117179. [PMID: 39059347 DOI: 10.1016/j.biopha.2024.117179] [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: 05/30/2024] [Revised: 07/16/2024] [Accepted: 07/22/2024] [Indexed: 07/28/2024] Open
Abstract
Diabetes, a metabolic disease caused by abnormally high levels of blood glucose, has a high prevalence rate worldwide and causes a series of complications, including coronary heart disease, stroke, peripheral vascular disease, end-stage renal disease, and retinopathy. Small-molecule compounds have been developed as drugs for the treatment of diabetes because of their oral advantages. Insulin secretagogues are a class of small-molecule drugs used to treat diabetes, and include sulfonylureas, non-sulfonylureas, glucagon-like peptide-1 receptor agonists, dipeptidyl peptidase 4 inhibitors, and other novel small-molecule insulin secretagogues. However, many small-molecule compounds cause different side effects, posing huge challenges to drug monotherapy and drug selection. Therefore, the use of different small-molecule drugs must be improved. This article reviews the mechanism, advantages, limitations, and potential risks of small-molecule insulin secretagogues to provide future research directions on small-molecule drugs for the treatment of diabetes.
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Affiliation(s)
- Jingqian Su
- Key Laboratory of Microbial Pathogenesis and Interventions of Fujian Province University, Key Laboratory of Innate Immune Biology of Fujian Province, Biomedical Research Center of South China, Key Laboratory of OptoElectronic Science and Technology for Medicine of the Ministry of Education, College of Life Sciences, Fujian Normal University, Fuzhou 350117, China.
| | - Jingran Xu
- Key Laboratory of Microbial Pathogenesis and Interventions of Fujian Province University, Key Laboratory of Innate Immune Biology of Fujian Province, Biomedical Research Center of South China, Key Laboratory of OptoElectronic Science and Technology for Medicine of the Ministry of Education, College of Life Sciences, Fujian Normal University, Fuzhou 350117, China
| | - Shan Hu
- Key Laboratory of Microbial Pathogenesis and Interventions of Fujian Province University, Key Laboratory of Innate Immune Biology of Fujian Province, Biomedical Research Center of South China, Key Laboratory of OptoElectronic Science and Technology for Medicine of the Ministry of Education, College of Life Sciences, Fujian Normal University, Fuzhou 350117, China
| | - Hui Ye
- Key Laboratory of Microbial Pathogenesis and Interventions of Fujian Province University, Key Laboratory of Innate Immune Biology of Fujian Province, Biomedical Research Center of South China, Key Laboratory of OptoElectronic Science and Technology for Medicine of the Ministry of Education, College of Life Sciences, Fujian Normal University, Fuzhou 350117, China
| | - Lian Xie
- Key Laboratory of Microbial Pathogenesis and Interventions of Fujian Province University, Key Laboratory of Innate Immune Biology of Fujian Province, Biomedical Research Center of South China, Key Laboratory of OptoElectronic Science and Technology for Medicine of the Ministry of Education, College of Life Sciences, Fujian Normal University, Fuzhou 350117, China
| | - Songying Ouyang
- Key Laboratory of Microbial Pathogenesis and Interventions of Fujian Province University, Key Laboratory of Innate Immune Biology of Fujian Province, Biomedical Research Center of South China, Key Laboratory of OptoElectronic Science and Technology for Medicine of the Ministry of Education, College of Life Sciences, Fujian Normal University, Fuzhou 350117, China.
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200
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Cheng X, Yang X, Guan Y, Feng Y. ERT-GFAN: A multimodal drug-target interaction prediction model based on molecular biology and knowledge-enhanced attention mechanism. Comput Biol Med 2024; 180:109012. [PMID: 39153394 DOI: 10.1016/j.compbiomed.2024.109012] [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: 03/24/2024] [Revised: 08/06/2024] [Accepted: 08/07/2024] [Indexed: 08/19/2024]
Abstract
In drug discovery, precisely identifying drug-target interactions is crucial for finding new drugs and understanding drug mechanisms. Evolving drug/target heterogeneous data presents challenges in obtaining multimodal representation in drug-target prediction(DTI). To deal with this, we propose 'ERT-GFAN', a multimodal drug-target interaction prediction model inspired by molecular biology. Firstly, it integrates bio-inspired principles to obtain structure feature of drugs and targets using Extended Connectivity Fingerprints(ECFP). Simultaneously, the knowledge graph embedding model RotatE is employed to discover the interaction feature of drug-target pairs. Subsequently, Transformer is utilized to refine the contextual neighborhood features from the obtained structure feature and interaction features, and multi-modal high-dimensional fusion features of the three-modal information constructed. Finally, the final DTI prediction results are outputted by integrating the multimodal fusion features into a graphical high-dimensional fusion feature attention network (GFAN) using our innovative multimodal high-dimensional fusion feature attention. This multimodal approach offers a comprehensive understanding of drug-target interactions, addressing challenges in complex knowledge graphs. By combining structure feature, interaction feature, and contextual neighborhood features, 'ERT-GFAN' excels in predicting DTI. Empirical evaluations on three datasets demonstrate our method's superior performance, with AUC of 0.9739, 0.9862, and 0.9667, AUPR of 0.9598, 0.9789, and 0.9750, and Mean Reciprocal Rank(MRR) of 0.7386, 0.7035, and 0.7133. Ablation studies show over a 5% improvement in predictive performance compared to baseline unimodal and bimodal models. These results, along with detailed case studies, highlight the efficacy and robustness of our approach.
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Affiliation(s)
- Xiaoqing Cheng
- College of Computer Science and Technology, Qingdao University, Qingdao, 266071, China.
| | - Xixin Yang
- College of Computer Science and Technology, Qingdao University, Qingdao, 266071, China; School of Automation, Qingdao University, Qingdao, 266071, China.
| | - Yuanlin Guan
- School of Mechanical and Automotive Engineering, Qingdao University of Technology, Qingdao, 266071, China; Key Lab of Industrial Fluid Energy Conservation and Pollution Control, Ministry of Education, Qingdao University of Technology, Qingdao, 266071, China
| | - Yihan Feng
- College of Computer Science and Technology, Qingdao University, Qingdao, 266071, China
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