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Tekavec E, Nilsson T, Dahlin LB, Huynh E, Nordander C, Riddar J, Kåredal M. Serum levels of biomarkers related to severity staging of Raynaud's phenomenon, neurosensory manifestations, and vibration exposure in patients with hand-arm vibration injury. Sci Rep 2024; 14:18128. [PMID: 39103464 DOI: 10.1038/s41598-024-68846-1] [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: 03/12/2024] [Accepted: 07/29/2024] [Indexed: 08/07/2024] Open
Abstract
Our aim was to explore possible relationships between serum levels of biomarkers in patients with hand-arm vibration injury in relation to the severity of the vascular, i.e., Raynaud's phenomenon (RP), and neurosensory manifestations, the current exposure level, and the duration of exposure. This study was of case series design and involved 92 patients diagnosed with hand-arm vibration injury. Jonckheere's trend test was used to assess any association between serum levels of biomarkers and RP as well as neurosensory manifestations, graded by the International Consensus Criteria. Generalized linear models with adjustment for possible confounders were also used for associations between serum levels of biomarkers and; (1) severity of RP recorded as the extent of finger blanching calculated with Griffin score, (2) vibration perception thresholds, (3) magnitude of current exposure as [A(8); (m/s2)] value, and (4) the duration of exposure in years. Serum levels of thrombomodulin, von Willebrand factor, calcitonin gene related peptide (CGRP), heat shock protein 27, and caspase-3 were positively associated with severity of RP. Serum levels of CGRP were positively associated with the neurosensory component. No associations with exposure were shown for these biomarkers. For Intercellular adhesion molecule 1 and monocyte chemoattractant protein 1, no associations were found with neither severity nor exposure. Levels of serum biomarkers associated with endothelial injury or dysfunction, inflammation, vasodilation, neuroprotection, and apoptosis were positively associated with the severity of hand-arm vibration injury.
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Affiliation(s)
- Eva Tekavec
- Division of Occupational and Environmental Medicine, Department of Laboratory Medicine, Lund University, 221 00, Lund, Sweden.
| | - Tohr Nilsson
- Division of Sustainable Health and Medicine, Department of Public Health and Clinical Medicine, Umeå University, 901 87, Umeå, Sweden
| | - Lars B Dahlin
- Department of Translational Medicine - Hand Surgery, Lund University, 221 00, Lund, Sweden
| | - Elizabeth Huynh
- Department of Occupational and Environmental Medicine, Region Skåne, 223 63, Lund, Sweden
| | - Catarina Nordander
- Division of Occupational and Environmental Medicine, Department of Laboratory Medicine, Lund University, 221 00, Lund, Sweden
| | - Jakob Riddar
- Division of Occupational and Environmental Medicine, Department of Laboratory Medicine, Lund University, 221 00, Lund, Sweden
| | - Monica Kåredal
- Division of Occupational and Environmental Medicine, Department of Laboratory Medicine, Lund University, 221 00, Lund, Sweden
- Department of Occupational and Environmental Medicine, Region Skåne, 223 63, Lund, Sweden
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Li H, Chen F, Qin M, Liao C, Shi Y, Wu S, Rong K, Zhang X. Short-term dietary teprenone improved thermal tolerance and mitigated liver damage caused by heat stress in juvenile largemouth bass (Micropterus salmoides). Comp Biochem Physiol B Biochem Mol Biol 2024; 273:110984. [PMID: 38692348 DOI: 10.1016/j.cbpb.2024.110984] [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: 01/10/2024] [Revised: 04/27/2024] [Accepted: 04/27/2024] [Indexed: 05/03/2024]
Abstract
Heat stress seriously threatens fish survival and health, demanding immediate attention. Teprenone is a gastric mucosal protective agent that can induce heat shock protein expression. This research investigated the effects of teprenone on largemouth bass (Micropterus salmoides) subjected to heat stress. Juvenile fish were assigned to different groups: group C (control group, 0 mg teprenone/kg diet), T0, T200, T400, and T800 (0, 200, 400, and 800 mg teprenone/kg diet, respectively), which were fed for 3 days, followed by a day without the diet. All groups except group C were subjected to acute heat stress (from 24 °C to 35 °C at 1 °C per hour and then maintained at 35 °C for 3 h). The results were as follows: The critical thermal maxima were significantly higher in the T200, T400, and T800 groups compared with the T0 group (P < 0.05). Heat stress caused severe damage to the tissue morphology of the liver, while teprenone significantly reduced this injury (P < 0.05). Serum cortisol concentration decreased gradually as teprenone concentration increased, and the lowest concentration was observed in the T800 group (P < 0.05). Compared with the T0 group, the serum activities of aspartate aminotransferase, alanine aminotransferase, and gamma-glutamyl transferase were significantly lower in the T200, T400, and T800 groups (P < 0.05). The liver activities of catalase, total superoxide dismutase, and peroxidase were significantly higher in the T200 group than in the T0 group (P < 0.05). Transcript levels of the heat shock proteins (hsp90, hsp70, hspa5, and hsf1) and caspase family (caspase3 and caspase9) in the liver of the T200 group were significantly higher than those of the T0 group (P < 0.05). Western blot results showed that HSP70 and HSPA5 in the liver were significantly upregulated in the T200 group compared with the T0 group (P < 0.05). In summary, dietary teprenone improved thermal tolerance, alleviated heat stress damage in the liver, enhanced antioxidant capacity, and upregulated heat shock proteins in juvenile largemouth bass. This study offers theoretical support for applying teprenone in aquaculture to reduce financial losses caused by abiotic factors.
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Affiliation(s)
- Hongyun Li
- Hubei Provincial Engineering Laboratory for Pond Aquaculture, Hubei Hongshan Laboratory, Engineering Research Center of Green Development for Conventional Aquatic Biological Industry in the Yangtze River Economic Belt, Ministry of Education, College of Fisheries, Huazhong Agricultural University, Wuhan 430070, People's Republic of China
| | - Feifei Chen
- Hubei Provincial Engineering Laboratory for Pond Aquaculture, Hubei Hongshan Laboratory, Engineering Research Center of Green Development for Conventional Aquatic Biological Industry in the Yangtze River Economic Belt, Ministry of Education, College of Fisheries, Huazhong Agricultural University, Wuhan 430070, People's Republic of China
| | - Mu Qin
- Hubei Provincial Engineering Laboratory for Pond Aquaculture, Hubei Hongshan Laboratory, Engineering Research Center of Green Development for Conventional Aquatic Biological Industry in the Yangtze River Economic Belt, Ministry of Education, College of Fisheries, Huazhong Agricultural University, Wuhan 430070, People's Republic of China
| | - Chenlei Liao
- Hubei Provincial Engineering Laboratory for Pond Aquaculture, Hubei Hongshan Laboratory, Engineering Research Center of Green Development for Conventional Aquatic Biological Industry in the Yangtze River Economic Belt, Ministry of Education, College of Fisheries, Huazhong Agricultural University, Wuhan 430070, People's Republic of China
| | - Yaqi Shi
- Hubei Provincial Engineering Laboratory for Pond Aquaculture, Hubei Hongshan Laboratory, Engineering Research Center of Green Development for Conventional Aquatic Biological Industry in the Yangtze River Economic Belt, Ministry of Education, College of Fisheries, Huazhong Agricultural University, Wuhan 430070, People's Republic of China
| | - Sihan Wu
- Hubei Provincial Engineering Laboratory for Pond Aquaculture, Hubei Hongshan Laboratory, Engineering Research Center of Green Development for Conventional Aquatic Biological Industry in the Yangtze River Economic Belt, Ministry of Education, College of Fisheries, Huazhong Agricultural University, Wuhan 430070, People's Republic of China
| | - Keming Rong
- Research Institute of Huanong-Tianchen, Wuhan 430070, People's Republic of China; Hubei Tianchen Biotechnology Co., Ltd, Wuhan 430207, China.
| | - Xuezhen Zhang
- Hubei Provincial Engineering Laboratory for Pond Aquaculture, Hubei Hongshan Laboratory, Engineering Research Center of Green Development for Conventional Aquatic Biological Industry in the Yangtze River Economic Belt, Ministry of Education, College of Fisheries, Huazhong Agricultural University, Wuhan 430070, People's Republic of China; Research Institute of Huanong-Tianchen, Wuhan 430070, People's Republic of China.
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Wang B, Liu S, Hao K, Wang Y, Li Z, Lou Y, Chang Y, Qi W. HDAC6 modulates the cognitive behavioral function and hippocampal tissue pathological changes of APP/PS1 transgenic mice through HSP90-HSF1 pathway. Exp Brain Res 2024; 242:1983-1998. [PMID: 38935089 DOI: 10.1007/s00221-024-06858-z] [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: 01/28/2024] [Accepted: 05/16/2024] [Indexed: 06/28/2024]
Abstract
The aim of this study was to investigate histone deacetylase 6 (HDAC6) modifies the heat shock protein 90 (HSP90) and heat shock transcription factor 1 (HSF1) affect the levels of pathological markers such as Aβ oligomers (Aβo) and Tau phosphorylation (p-Tau) in APP/PS1 double transgenic mice hippocampal tissues or HT22 neurons as well as the changes in cognitive behavioral functions of mice. (1) APP/PS1 transgenic mice (6 months old, 25 ~ 30 g) were randomly assigned to 5 experimental groups, C57BL/6J mice (6 months old, 25 ~ 30 g) were used as 4 control groups, with 8 mice in each group. All mice underwent intracerebroventricular (i.c.v.) cannulation, and the experimental groups were administered with normal saline (APP + NS group), HDAC6 agonist tubastatin A hydrochloride (TSA) (APP + TSA group) or HDAC6 agonist theophylline (Theo) (APP + Theo group), HSP90 inhibitor Ganetespib (Gane) (APP + Gane group), or a combination of pre-injected Gane by TSA (APP + Gane + TSA group); the control group received i.c.v. injections of Gane (Gane group), TSA (TSA group), Theo (Theo group) or NS (NS group), respectively. (2) Mouse hippocampal neurons HT22 were randomly divided into a control group (Control) and an Aβ1-42 intervention group (Aβ). Within the Aβ group, further divisions were made for knockdown HSP90 (Aβ + siHSP90 group), overexpression HSP90 (Aβ + OE-HSP90 group), knockdown HSF1(Aβ + siHSF1 group) and knockdown HSF1 followed by overexpression HSP90 (Aβ + siHSF1 + OE-HSP90 group), resulting in a total of 6 groups. Morris water maze test was used to evaluate the cognitive behavior of the mice. Western blot and immunohistochemistry or immunofluorescence were performed to detect the levels of HDAC6, HSP90, HSF1, Aβ1-42, Tau protein, and p-Tau in the hippocampal tissue or HT22 cells. qRT-PCR was used to measure the levels of hdac6, hsp90, and hsf1 mRNA in the hippocampus or nerve cells. (1) The levels of HDAC6, Aβ1-42 and p-Tau were elevated, while HSP90 and HSF1 were decreased in the hippocampal tissue of APP/PS1 transgenic mice (all P < 0.01). Inhibiting HDAC6 upregulated the expressions of HSP90 and HSF1 in the hippocampal tissue of APP/PS1 mice, while decreasing the levels of Aβ1-42 and p-Tau as well as improving the spatial cognitive behavior in mice (P < 0.05 or P < 0.01). The opposite effects were observed upon HDAC6 activation. However, inhibiting HSP90 reduced the expression of HSF1 (P < 0.01) and increased the levels of Aβ1-42 and p-Tau (P < 0.05 or P < 0.01) but did not significantly affect the expression of HDAC6 (P > 0.05). No significant changes were observed in the aforementioned indicators in the 4 control groups (P > 0.05). (2) In the Aβ1-42 intervention group, HDAC6 and Aβ1-42, p-Tau expression levels were elevated, while HSP90 and HSF1 expressions were all decreased, and cell viability was reduced (P < 0.05 or P < 0.01). Overexpression of HSP90 upregulated HSF1 expression, decreased the levels of Aβ1-42 and p-Tau, and increased cell viability (P < 0.05 or P < 0.01). Knocking down HSP90 had the opposite effect; and knocking down HSF1 increased the levels of Aβ1-42 and p-Tau and decreased cells viability (all P < 0.01), but did not result in significant changes in the expression levels of HSP90 (P > 0.05). Inhibiting HDAC6 can upregulate the expressions of HSP90 and HSF1 but reduce the levels of Aβ1-42 and p-Tau in the hippocampus of APP/PS1 mice and improvement of cognitive behavioral function in mice; Overexpression of HSP90 can increase HSF1 but decrease Aβ1-42 and p-Tau levels in the hippocampal neurons and increase cell activity. It is suggested that HDAC6 may affect the formation of Aβ oligomers and the changes in Tau protein phosphorylation levels in the hippocampus of AD transgenic mouse as well as the alterations in cognitive behavioral functions by regulating the HSP90-HSF1 pathway.
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Affiliation(s)
- Bingyi Wang
- Department of Basic Medicine, Fenyang College of Shanxi Medical University, Fenyang, 032200, China
| | - Siyu Liu
- Department of Basic Medicine, Fenyang College of Shanxi Medical University, Fenyang, 032200, China
| | - Kaimin Hao
- Department of Basic Medicine, Fenyang College of Shanxi Medical University, Fenyang, 032200, China
| | - YaruWang Wang
- Department of Basic Medicine, Fenyang College of Shanxi Medical University, Fenyang, 032200, China
| | - Zongjing Li
- Department of Basic Medicine, Fenyang College of Shanxi Medical University, Fenyang, 032200, China
| | - Yuanyuan Lou
- Department of Basic Medicine, Fenyang College of Shanxi Medical University, Fenyang, 032200, China
| | - Yuan Chang
- Department of Basic Medicine, Fenyang College of Shanxi Medical University, Fenyang, 032200, China
| | - Wenxiu Qi
- Department of Basic Medicine, Fenyang College of Shanxi Medical University, Fenyang, 032200, China.
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Sadri I, Nikookheslat SD, Karimi P, Khani M, Nadimi S. Aerobic exercise training improves memory function through modulation of brain-derived neurotrophic factor and synaptic proteins in the hippocampus and prefrontal cortex of type 2 diabetic rats. J Diabetes Metab Disord 2024; 23:849-858. [PMID: 38932906 PMCID: PMC11196465 DOI: 10.1007/s40200-023-01360-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Accepted: 11/23/2023] [Indexed: 06/28/2024]
Abstract
Aims/Introduction Defective insulin signaling in the brain may disrupt hippocampal neuroplasticity resulting in learning and memory impairments. Thus, this study investigated the effect of aerobic exercise training on cognitive function and synaptic protein markers in diabetic rats. Materials and methods Twenty male Wistar rats (200-250 g), were fed on high-fat diet and received a low dose of streptozotocin (35 mg/kg, i.p) to induce type 2 diabetes. Then diabetic animals were randomly divided into sedentary and training groups. The exercise training program was treadmill running at 27 m/min for 60 min/day for 8 weeks. One day after the last training session, Morris Water Maze (MWM) task was performed to evaluate spatial learning and memory. Then, the hippocamp and prefrontal cortex tissues were instantly dissected for immunoblotting assay of BDNF, GSK-3β, p-GSK-3β, P38, p-P38, ERK1/2, p-ERK1/2, heat shock protein-27 (HSP27), SNAP-25, synaptophysin, and PSD-95. Independent t-test analysis and two-way ANOVA was used to determine the differences under significance level of 0.05 using the 26th version of IBM SPSS statistical software. Results The results showed that aerobic exercise improved memory as assessed in the MWM task. Moreover, aerobic exercise up-regulated HSP27 and BDNF protein levels in the prefrontal cortex, and hippocampus coincided with robust elevations in SNAP25 and PSD-95 levels. Moreover, exercise reduced phosphorylated P38, while increased p-ERK1/2 and p-GSK-3β (p). Conclusion Our findings suggest that aerobic exercise may debilitate the harmful effects of diabetes on the cognitive function possibly through enhancing synaptic protein markers.
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Affiliation(s)
- Iraj Sadri
- Department of Physical Education and Sports Sciences, Islamic Azad University, Shabestar Branch, Shabestar, 5381637181 Iran
| | - Saeid Dabbagh Nikookheslat
- Department of Exercise Physiology, Faculty of Physical Education and Sport Sciences, University of Tabriz, 29 Bahman Blvd, Tabriz, 5166616471 Iran
| | - Pouran Karimi
- Neuroscience Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mostafa Khani
- Department of Exercise Physiology, Faculty of Physical Education and Sport Sciences, University of Tabriz, 29 Bahman Blvd, Tabriz, 5166616471 Iran
| | - Sanaz Nadimi
- Department of Chemistry and Biochemistry, Faculty of Science, University of Windsor, Windsor, ON Canada
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Tekavec E, Nilsson T, Dahlin LB, Huynh E, Axmon A, Nordander C, Riddar J, Kåredal M. Serum biomarkers in patients with hand-arm vibration injury and in controls. Sci Rep 2024; 14:2719. [PMID: 38302542 PMCID: PMC10834969 DOI: 10.1038/s41598-024-52782-1] [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: 10/24/2023] [Accepted: 01/23/2024] [Indexed: 02/03/2024] Open
Abstract
Hand-arm vibration injury is a well-known occupational disorder that affects many workers globally. The diagnosis is based mainly on quantitative psychophysical tests and medical history. Typical manifestations of hand-arm vibration injury entail episodes of finger blanching, Raynaud's phenomenon (RP) and sensorineural symptoms from affected nerve fibres and mechanoreceptors in the skin. Differences in serum levels of 17 different biomarkers between 92 patients with hand-arm vibration injury and 51 controls were analysed. Patients with hand-arm vibration injury entailing RP and sensorineural manifestations showed elevated levels of biomarkers associated with endothelial injury or dysfunction, inflammation, vaso- or neuroprotective compensatory, or apoptotic mechanisms: intercellular adhesion molecule-1 (ICAM-1), monocyte chemoattractant protein-1 (MCP-1); thrombomodulin (TM), heat shock protein 27 (HSP27); von Willebrand factor, calcitonin gene-related peptide (CGRP) and caspase-3. This study adds important knowledge on pathophysiological mechanisms that can contribute to the implementation of a more objective method for diagnosis of hand-arm vibration injury.
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Affiliation(s)
- Eva Tekavec
- Division of Occupational and Environmental Medicine, Department of Laboratory Medicine, Lund University, 221 00, Lund, Sweden.
| | - Tohr Nilsson
- Section of Sustainable Health, Department of Public Health and Clinical Medicine, Umeå University, SE-901 87, Umeå, Sweden
| | - Lars B Dahlin
- Department of Translational Medicine-Hand Surgery, Lund University, 221 00, Lund, Sweden
| | - Elizabeth Huynh
- Occupational and Environmental Medicine, Region Skåne, 223 63, Lund, Sweden
| | - Anna Axmon
- Division of Occupational and Environmental Medicine, Department of Laboratory Medicine, Lund University, 221 00, Lund, Sweden
| | - Catarina Nordander
- Division of Occupational and Environmental Medicine, Department of Laboratory Medicine, Lund University, 221 00, Lund, Sweden
| | - Jakob Riddar
- Division of Occupational and Environmental Medicine, Department of Laboratory Medicine, Lund University, 221 00, Lund, Sweden
| | - Monica Kåredal
- Division of Occupational and Environmental Medicine, Department of Laboratory Medicine, Lund University, 221 00, Lund, Sweden
- Occupational and Environmental Medicine, Region Skåne, 223 63, Lund, Sweden
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Clark CE, Rigby BR. Can exposure to heat attenuate neurodegeneration in older adults with Parkinson's disease? Front Aging Neurosci 2023; 15:1239656. [PMID: 37744389 PMCID: PMC10513428 DOI: 10.3389/fnagi.2023.1239656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Accepted: 08/25/2023] [Indexed: 09/26/2023] Open
Affiliation(s)
| | - Brandon Rhett Rigby
- School of Health Promotion and Kinesiology, Texas Woman's University, Denton, TX, United States
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Ising E, Åhrman E, Thomsen NOB, Åkesson A, Malmström J, Dahlin LB. Quantification of heat shock proteins in the posterior interosseous nerve among subjects with type 1 and type 2 diabetes compared to healthy controls. Front Neurosci 2023; 17:1227557. [PMID: 37614345 PMCID: PMC10442572 DOI: 10.3389/fnins.2023.1227557] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Accepted: 07/17/2023] [Indexed: 08/25/2023] Open
Abstract
Introduction Diabetic peripheral neuropathy (DPN) is a common complication of both type 1 (T1D) and type 2 diabetes (T2D). No cure for DPN is available, but several potential targets have been proposed for treatment. Heat shock proteins (HSPs) are known to respond to both hyper- and hypoglycemia. DPN can be diagnosed using electrophysiology and studied using peripheral nerve biopsies. Aim This study aimed to analyze the presence and patterns of HSPs in peripheral nerve biopsies from subjects with T1D, T2D, and healthy controls. Methods Posterior interosseous nerves (PIN) from a total of 56 subjects with T1D (n = 9), with T2D (n = 24), and without diabetes (i.e., healthy controls, n = 23) were harvested under local anesthesia and prepared for quantitative mass spectrometry analysis. Protein intensities were associated with electrophysiology data of the ulnar nerve and morphometry of the same PIN, and differences in protein intensities between groups were analyzed. Results In total, 32 different HSPs were identified and quantified in the nerve specimens. No statistically significant differences were observed regarding protein intensities between groups. Furthermore, protein intensities did not correlate with amplitude or conduction velocity in the ulnar nerve or with the myelinated nerve fiber density of PIN. Conclusion Quantitative proteomics can be used to study HSPs in nerve biopsies, but no clear differences in protein quantities were observed between groups in this cohort.
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Affiliation(s)
- Erik Ising
- Department of Clinical Sciences—Pediatric Endocrinology, Lund University, Malmö, Sweden
- Department of Emergency and Internal Medicine, Skåne University Hospital, Malmö, Sweden
| | - Emma Åhrman
- Division of Infection Medicine, Department of Clinical Sciences, Faculty of Medicine, Lund University, Lund, Sweden
| | - Niels O. B. Thomsen
- Department of Translational Medicine—Hand Surgery, Lund University, Malmö, Sweden
- Department of Hand Surgery, Skåne University Hospital, Malmö, Sweden
| | - Anna Åkesson
- Clinical Studies Sweden—Forum South, Skåne University Hospital, Lund, Sweden
| | - Johan Malmström
- Division of Infection Medicine, Department of Clinical Sciences, Faculty of Medicine, Lund University, Lund, Sweden
| | - Lars B. Dahlin
- Department of Translational Medicine—Hand Surgery, Lund University, Malmö, Sweden
- Department of Hand Surgery, Skåne University Hospital, Malmö, Sweden
- Department of Biomedical and Clinical Medicine, Linköping University, Linköping, Sweden
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Caballero P, Prieto-Amador M, Martínez-Guitarte JL. Gene expression response of the non-target gastropod Physella acuta to Fenoxycarb, a juvenile hormone analog pesticide. Sci Rep 2023; 13:4031. [PMID: 36899054 PMCID: PMC10006217 DOI: 10.1038/s41598-023-31201-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Accepted: 03/08/2023] [Indexed: 03/12/2023] Open
Abstract
Pesticides are an environmental problem. The search for new pest control methods has focused on compounds with low or no toxic effects in non-target organisms. Analogs of the juvenile hormone (JH) interfere endocrine system of arthropods. However, the lack of effect on non-target species requires confirmation. This article analyzes the impact of Fenoxycarb, an analog of JH, on Physella acuta, an aquatic gastropod. For 1 week, animals were exposed to 0.01, 1, and 100 μg/L and the RNA was isolated to analyze the gene expression by retrotranscription and Real-Time PCR. Forty genes related to the endocrine system, the DNA repair mechanisms, the detoxification mechanisms, oxidative stress, the stress response, the nervous system, hypoxia, energy metabolism, the immune system, and apoptosis were analyzed. Three of the genes, AchE, HSP17.9, and ApA, showed responses to the presence of Fenoxycarb at 1 μg/L, with no statistically significant responses in the rest of the genes and at the remaining concentrations. From the results, it can be concluded that Fenoxycarb shows a weak response at the molecular level in P. acuta in the tested time and concentrations. However, Aplysianin-A, a gene related to immunity, was altered so the long-term effect could be relevant. Therefore, additional research is required to confirm the safety of Fenoxycarb in non-arthropod species in the long term.
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Affiliation(s)
- Patricia Caballero
- Grupo de Biología y Toxicología Ambiental, Facultad de Ciencias, Universidad Nacional de Educación a Distancia (UNED), Av de Esparta S/N - Carretera de Las Rozas a El Escorial Km 5, 28232, Las Rozas, Madrid, Spain
| | - Marina Prieto-Amador
- Grupo de Biología y Toxicología Ambiental, Facultad de Ciencias, Universidad Nacional de Educación a Distancia (UNED), Av de Esparta S/N - Carretera de Las Rozas a El Escorial Km 5, 28232, Las Rozas, Madrid, Spain.,Grupo de Ecosistemas Bentónicos y Recursos Demersales, COB-Centre Oceanogràfic de Balears (Spanish Institute of Oceanography, CSIC), Moll de Ponent, S/N, 07015, Palma, Illes Balears, Spain
| | - José-Luis Martínez-Guitarte
- Grupo de Biología y Toxicología Ambiental, Facultad de Ciencias, Universidad Nacional de Educación a Distancia (UNED), Av de Esparta S/N - Carretera de Las Rozas a El Escorial Km 5, 28232, Las Rozas, Madrid, Spain.
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Guo H, Yi J, Wang F, Lei T, Du H. Potential application of heat shock proteins as therapeutic targets in Parkinson's disease. Neurochem Int 2023; 162:105453. [PMID: 36402293 DOI: 10.1016/j.neuint.2022.105453] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 09/08/2022] [Accepted: 11/15/2022] [Indexed: 11/18/2022]
Abstract
Parkinson's disease (PD) is a common chronic neurodegenerative disease, and the heat shock proteins (HSPs) are proved to be of great value for PD. In addition, HSPs can maintain protein homeostasis, degrade and inhibit protein aggregation by properly folding and activating intracellular proteins in PD. This study mainly summarizes the important roles of HSPs in PD and explores their feasibility as targets. We introduced the structural and functional characteristics of HSPs and the physiological functions of HSPs in PD. HSPs can protect neurons from damage by degrading aggregates with three mechanisms, including the aggregation and removing α-Synuclein (α-Syn) aggregates, promotion the autophagy of abnormal proteins, and inhibition the apoptosis of degenerated neurons. This study underscores the importance of HSPs as targets in PD and helps to expand new mechanisms in PD treatment strategies.
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Affiliation(s)
- Haodong Guo
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Jingsong Yi
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Fan Wang
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Tong Lei
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 100083, China; Daxing Research Institute, University of Science and Technology Beijing, Beijing, 100083, China
| | - Hongwu Du
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 100083, China; Daxing Research Institute, University of Science and Technology Beijing, Beijing, 100083, China.
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Zhao X, Huang LJ, Sun XF, Zhao LL, Wang PC. Differential Physiological, Transcriptomic, and Metabolomic Responses of Paspalum wettsteinii Under High-Temperature Stress. FRONTIERS IN PLANT SCIENCE 2022; 13:865608. [PMID: 35528933 PMCID: PMC9069066 DOI: 10.3389/fpls.2022.865608] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Accepted: 04/04/2022] [Indexed: 05/08/2023]
Abstract
Global warming has far-reaching effects on plant growth and development. As a warm-season forage grass, Paspalum wettsteinii is highly adaptable to high temperatures. However, the response mechanism of P. wettsteinii under high-temperature stress is still unclear. Therefore, we investigated the physiological indicators, transcriptome and metabolome of P. wettsteinii under different heat stress treatments. Plant height, the activities of superoxide dismutase (SOD), peroxidase (POD), and catalase (CAT), and the contents of soluble sugar, proline, chlorophyll a, and chlorophyll b increased and then decreased, while the malondialdehyde (MDA) content decreased and then increased with increasing heat stress. Transcriptomic analysis revealed that genes related to energy and carbohydrate metabolism, heat shock proteins (HSPs), and transcription factors (TFs), secondary metabolite biosynthesis and the antioxidant system significantly changed to varying degrees. Metabolomic analysis showed that only free fatty acids were downregulated, while amino acids and their derivatives, organic acids, flavonoids, and sugars were both up- and downregulated under heat stress. These combined analyses revealed that growth was promoted at 25-40°C, while at 45°C, excess reactive oxygen species (ROS) damage reduced antioxidant and osmoregulatory effects and inactivated genes associated with the light and electron transport chains (ETCs), as well as damaged the PS II system and inhibited photosynthesis. A small number of genes and metabolites were upregulated to maintain the basic growth of P. wettsteinii. The physiological and biochemical changes in response to high-temperature stress were revealed, and the important metabolites and key genes involved in the response to high temperature were identified, providing an important reference for the physiological and molecular regulation of high-temperature stress in plants.
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Affiliation(s)
- Xin Zhao
- College of Animal Science, Guizhou University, Guiyang, China
| | - Li-Juan Huang
- College of Animal Science, Guizhou University, Guiyang, China
| | - Xiao-Fu Sun
- College of Animal Science, Guizhou University, Guiyang, China
| | - Li-Li Zhao
- College of Animal Science, Guizhou University, Guiyang, China
- *Correspondence: Li-Li Zhao,
| | - Pu-Chang Wang
- School of Life Sciences, Guizhou Normal University, Guiyang, China
- Pu-Chang Wang,
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