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Pan JZ, Wang Z, Sun W, Pan P, Li W, Sun Y, Chen S, Lin A, Tan W, He L, Greene J, Yao V, An L, Liang R, Li Q, Yu J, Zhang L, Kyritsis N, Fernandez XD, Moncivais S, Mendoza E, Fung P, Wang G, Niu X, Du Q, Xiao Z, Chang Y, Lv P, Huie JR, Torres‐Espin A, Ferguson AR, Hemmerle DD, Talbott JF, Weinstein PR, Pascual LU, Singh V, DiGiorgio AM, Saigal R, Whetstone WD, Manley GT, Dhall SS, Bresnahan JC, Maze M, Jiang X, Singhal NS, Beattie MS, Su H, Guan Z. ATF3 is a neuron-specific biomarker for spinal cord injury and ischaemic stroke. Clin Transl Med 2024; 14:e1650. [PMID: 38649772 PMCID: PMC11035380 DOI: 10.1002/ctm2.1650] [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: 10/12/2023] [Revised: 03/18/2024] [Accepted: 03/20/2024] [Indexed: 04/25/2024] Open
Abstract
BACKGROUND Although many molecules have been investigated as biomarkers for spinal cord injury (SCI) or ischemic stroke, none of them are specifically induced in central nervous system (CNS) neurons following injuries with low baseline expression. However, neuronal injury constitutes a major pathology associated with SCI or stroke and strongly correlates with neurological outcomes. Biomarkers characterized by low baseline expression and specific induction in neurons post-injury are likely to better correlate with injury severity and recovery, demonstrating higher sensitivity and specificity for CNS injuries compared to non-neuronal markers or pan-neuronal markers with constitutive expressions. METHODS In animal studies, young adult wildtype and global Atf3 knockout mice underwent unilateral cervical 5 (C5) SCI or permanent distal middle cerebral artery occlusion (pMCAO). Gene expression was assessed using RNA-sequencing and qRT-PCR, while protein expression was detected through immunostaining. Serum ATF3 levels in animal models and clinical human samples were measured using commercially available enzyme-linked immune-sorbent assay (ELISA) kits. RESULTS Activating transcription factor 3 (ATF3), a molecular marker for injured dorsal root ganglion sensory neurons in the peripheral nervous system, was not expressed in spinal cord or cortex of naïve mice but was induced specifically in neurons of the spinal cord or cortex within 1 day after SCI or ischemic stroke, respectively. Additionally, ATF3 protein levels in mouse blood significantly increased 1 day after SCI or ischemic stroke. Importantly, ATF3 protein levels in human serum were elevated in clinical patients within 24 hours after SCI or ischemic stroke. Moreover, Atf3 knockout mice, compared to the wildtype mice, exhibited worse neurological outcomes and larger damage regions after SCI or ischemic stroke, indicating that ATF3 has a neuroprotective function. CONCLUSIONS ATF3 is an easily measurable, neuron-specific biomarker for clinical SCI and ischemic stroke, with neuroprotective properties. HIGHLIGHTS ATF3 was induced specifically in neurons of the spinal cord or cortex within 1 day after SCI or ischemic stroke, respectively. Serum ATF3 protein levels are elevated in clinical patients within 24 hours after SCI or ischemic stroke. ATF3 exhibits neuroprotective properties, as evidenced by the worse neurological outcomes and larger damage regions observed in Atf3 knockout mice compared to wildtype mice following SCI or ischemic stroke.
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Affiliation(s)
- Jonathan Z. Pan
- Department of Anesthesia and Perioperative CareUniversity of California San FranciscoSan FranciscoCaliforniaUSA
| | - Zhanqiang Wang
- Department of Anesthesia and Perioperative CareUniversity of California San FranciscoSan FranciscoCaliforniaUSA
- Center for Cerebrovascular ResearchUniversity of California San FranciscoSan FranciscoCaliforniaUSA
- Department of NeurologyCangzhou People's HospitalCangzhouChina
| | - Wei Sun
- Department of Anesthesia and Perioperative CareUniversity of California San FranciscoSan FranciscoCaliforniaUSA
- Department of AnesthesiologyShandong Provincial Hospital, Shandong UniversityJinanChina
| | - Peipei Pan
- Department of Anesthesia and Perioperative CareUniversity of California San FranciscoSan FranciscoCaliforniaUSA
- Center for Cerebrovascular ResearchUniversity of California San FranciscoSan FranciscoCaliforniaUSA
| | - Wei Li
- Department of Anesthesia and Perioperative CareUniversity of California San FranciscoSan FranciscoCaliforniaUSA
- Department of AnesthesiologyShandong Provincial Hospital, Shandong UniversityJinanChina
| | - Yongtao Sun
- Department of Anesthesia and Perioperative CareUniversity of California San FranciscoSan FranciscoCaliforniaUSA
- Department of AnesthesiologyQianfoshan Hospital, Shandong UniversityJinanChina
| | - Shoulin Chen
- Department of Anesthesia and Perioperative CareUniversity of California San FranciscoSan FranciscoCaliforniaUSA
- Department of AnesthesiologyThe Second Affiliated Hospital, Nanchang UniversityNanchangChina
| | - Amity Lin
- Department of Anesthesia and Perioperative CareUniversity of California San FranciscoSan FranciscoCaliforniaUSA
| | - Wulin Tan
- Department of Anesthesia and Perioperative CareUniversity of California San FranciscoSan FranciscoCaliforniaUSA
- Department of AnesthesiologyGuangzhou Medical UniversityGuangzhouChina
| | - Liangliang He
- Department of Anesthesia and Perioperative CareUniversity of California San FranciscoSan FranciscoCaliforniaUSA
- Department of Pain ManagementXuanwu Hospital, Capital Medical UniversityBeijingChina
| | - Jacob Greene
- Medical SchoolUniversity of California San FranciscoSan FranciscoCaliforniaUSA
| | - Virginia Yao
- Department of Anesthesia and Perioperative CareUniversity of California San FranciscoSan FranciscoCaliforniaUSA
| | - Lijun An
- Department of Anesthesia and Perioperative CareUniversity of California San FranciscoSan FranciscoCaliforniaUSA
- Department of AnesthesiologyNo. 1 People's HospitalHuaianChina
| | - Rich Liang
- Department of Anesthesia and Perioperative CareUniversity of California San FranciscoSan FranciscoCaliforniaUSA
- Center for Cerebrovascular ResearchUniversity of California San FranciscoSan FranciscoCaliforniaUSA
| | - Qifeng Li
- Department of Anesthesia and Perioperative CareUniversity of California San FranciscoSan FranciscoCaliforniaUSA
- Center for Cerebrovascular ResearchUniversity of California San FranciscoSan FranciscoCaliforniaUSA
- Department of NeurosurgeryTianjin Medical University General HospitalTianjinChina
| | - Jessica Yu
- Department of Anesthesia and Perioperative CareUniversity of California San FranciscoSan FranciscoCaliforniaUSA
| | - Lingyi Zhang
- Department of Anesthesia and Perioperative CareUniversity of California San FranciscoSan FranciscoCaliforniaUSA
| | - Nikolaos Kyritsis
- Department of Neurological SurgeryUniversity of California San FranciscoSan FranciscoCaliforniaUSA
- Brain and Spinal Injury CenterUniversity of California San FranciscoSan FranciscoCaliforniaUSA
| | - Xuan Duong Fernandez
- Department of Neurological SurgeryUniversity of California San FranciscoSan FranciscoCaliforniaUSA
- Brain and Spinal Injury CenterUniversity of California San FranciscoSan FranciscoCaliforniaUSA
| | - Sara Moncivais
- Department of Neurological SurgeryUniversity of California San FranciscoSan FranciscoCaliforniaUSA
- Brain and Spinal Injury CenterUniversity of California San FranciscoSan FranciscoCaliforniaUSA
| | - Esmeralda Mendoza
- Department of Neurological SurgeryUniversity of California San FranciscoSan FranciscoCaliforniaUSA
- Brain and Spinal Injury CenterUniversity of California San FranciscoSan FranciscoCaliforniaUSA
| | - Pamela Fung
- Department of Anesthesia and Perioperative CareUniversity of California San FranciscoSan FranciscoCaliforniaUSA
| | - Gongming Wang
- Department of Anesthesia and Perioperative CareUniversity of California San FranciscoSan FranciscoCaliforniaUSA
- Department of AnesthesiologyShandong Provincial Hospital, Shandong UniversityJinanChina
| | - Xinhuan Niu
- Department of Anesthesia and Perioperative CareUniversity of California San FranciscoSan FranciscoCaliforniaUSA
- Department of AnesthesiologyShandong Provincial Hospital, Shandong UniversityJinanChina
| | - Qihang Du
- Department of Anesthesia and Perioperative CareUniversity of California San FranciscoSan FranciscoCaliforniaUSA
- Department of AnesthesiologyShandong Provincial Hospital, Shandong UniversityJinanChina
| | - Zhaoyang Xiao
- Department of Anesthesia and Perioperative CareUniversity of California San FranciscoSan FranciscoCaliforniaUSA
- Department of AnesthesiologyThe Second Affiliated Hospital, Dalian Medical UniversityDalianChina
| | - Yuwen Chang
- Department of Anesthesia and Perioperative CareUniversity of California San FranciscoSan FranciscoCaliforniaUSA
| | - Peiyuan Lv
- Department of AnesthesiologyThe Second Affiliated Hospital, Dalian Medical UniversityDalianChina
- Department of NeurologyHebei Medical UniversityShijiazhuangChina
| | - J. Russell Huie
- Department of Neurological SurgeryUniversity of California San FranciscoSan FranciscoCaliforniaUSA
- Brain and Spinal Injury CenterUniversity of California San FranciscoSan FranciscoCaliforniaUSA
| | - Abel Torres‐Espin
- Department of Neurological SurgeryUniversity of California San FranciscoSan FranciscoCaliforniaUSA
- Brain and Spinal Injury CenterUniversity of California San FranciscoSan FranciscoCaliforniaUSA
| | - Adam R. Ferguson
- Department of Neurological SurgeryUniversity of California San FranciscoSan FranciscoCaliforniaUSA
- Brain and Spinal Injury CenterUniversity of California San FranciscoSan FranciscoCaliforniaUSA
| | - Debra D. Hemmerle
- Department of Neurological SurgeryUniversity of California San FranciscoSan FranciscoCaliforniaUSA
- Brain and Spinal Injury CenterUniversity of California San FranciscoSan FranciscoCaliforniaUSA
| | - Jason F. Talbott
- Department of RadiologyUniversity of California San FranciscoSan FranciscoCaliforniaUSA
| | - Philip R. Weinstein
- Department of Neurological SurgeryUniversity of California San FranciscoSan FranciscoCaliforniaUSA
- Brain and Spinal Injury CenterUniversity of California San FranciscoSan FranciscoCaliforniaUSA
| | - Lisa U. Pascual
- Department of Orthopedic SurgeryOrthopaedic Trauma InstituteUniversity of California San FranciscoSan FranciscoCaliforniaUSA
| | - Vineeta Singh
- Department of NeurologyUniversity of California San FranciscoSan FranciscoCaliforniaUSA
| | - Anthony M. DiGiorgio
- Department of Neurological SurgeryUniversity of California San FranciscoSan FranciscoCaliforniaUSA
- Brain and Spinal Injury CenterUniversity of California San FranciscoSan FranciscoCaliforniaUSA
| | - Rajiv Saigal
- Department of Neurological SurgeryUniversity of California San FranciscoSan FranciscoCaliforniaUSA
- Brain and Spinal Injury CenterUniversity of California San FranciscoSan FranciscoCaliforniaUSA
| | - William D. Whetstone
- Department of Emergency MedicineUniversity of California San FranciscoSan FranciscoCaliforniaUSA
| | - Geoffrey T. Manley
- Department of Neurological SurgeryUniversity of California San FranciscoSan FranciscoCaliforniaUSA
- Brain and Spinal Injury CenterUniversity of California San FranciscoSan FranciscoCaliforniaUSA
| | - Sanjay S. Dhall
- Department of NeurosurgeryHarbor UCLA Medical CenterTorranceCaliforniaUSA
| | - Jacqueline C. Bresnahan
- Department of Neurological SurgeryUniversity of California San FranciscoSan FranciscoCaliforniaUSA
- Brain and Spinal Injury CenterUniversity of California San FranciscoSan FranciscoCaliforniaUSA
| | - Mervyn Maze
- Department of Anesthesia and Perioperative CareUniversity of California San FranciscoSan FranciscoCaliforniaUSA
- Center for Cerebrovascular ResearchUniversity of California San FranciscoSan FranciscoCaliforniaUSA
| | - Xiangning Jiang
- Department of NeurologyUniversity of California San FranciscoSan FranciscoCaliforniaUSA
| | - Neel S. Singhal
- Department of NeurologyUniversity of California San FranciscoSan FranciscoCaliforniaUSA
| | - Michael S. Beattie
- Department of Neurological SurgeryUniversity of California San FranciscoSan FranciscoCaliforniaUSA
- Brain and Spinal Injury CenterUniversity of California San FranciscoSan FranciscoCaliforniaUSA
| | - Hua Su
- Department of Anesthesia and Perioperative CareUniversity of California San FranciscoSan FranciscoCaliforniaUSA
- Center for Cerebrovascular ResearchUniversity of California San FranciscoSan FranciscoCaliforniaUSA
| | - Zhonghui Guan
- Department of Anesthesia and Perioperative CareUniversity of California San FranciscoSan FranciscoCaliforniaUSA
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Jin X, Li P, Michalski D, Li S, Zhang Y, Jolkkonen J, Cui L, Didwischus N, Xuan W, Boltze J. Perioperative stroke: A perspective on challenges and opportunities for experimental treatment and diagnostic strategies. CNS Neurosci Ther 2022; 28:497-509. [PMID: 35224865 PMCID: PMC8928912 DOI: 10.1111/cns.13816] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 01/31/2022] [Accepted: 02/04/2022] [Indexed: 02/06/2023] Open
Abstract
Perioperative stroke is an ischemic or hemorrhagic cerebral event during or up to 30 days after surgery. It is a feared condition due to a relatively high incidence, difficulties in timely detection, and unfavorable outcome compared to spontaneously occurring stroke. Recent preclinical data suggest that specific pathophysiological mechanisms such as aggravated neuroinflammation contribute to the detrimental impact of perioperative stroke. Conventional treatment options are limited in the perioperative setting due to difficult diagnosis and medications affecting coagulation in may cases. On the contrary, the chance to anticipate cerebrovascular events at the time of surgery may pave the way for prevention strategies. This review provides an overview on perioperative stroke incidence, related problems, and underlying pathophysiological mechanisms. Based on this analysis, we assess experimental stroke treatments including neuroprotective approaches, cell therapies, and conditioning medicine strategies regarding their potential use in perioperative stroke. Interestingly, the specific aspects of perioperative stroke might enable a more effective application of experimental treatment strategies such as classical neuroprotection whereas others including cell therapies may be of limited use. We also discuss experimental diagnostic options for perioperative stroke augmenting classical clinical and imaging stroke diagnosis. While some experimental stroke treatments may have specific advantages in perioperative stroke, the paucity of established guidelines or multicenter clinical research initiatives currently limits their thorough investigation.
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Affiliation(s)
- Xia Jin
- Department of Anesthesiology, Renji Hospital, School of Medicine Shanghai Jiaotong University, Shanghai, China
| | - Peiying Li
- Department of Anesthesiology, Renji Hospital, School of Medicine Shanghai Jiaotong University, Shanghai, China
| | | | - Shen Li
- Department of Neurology and Psychiatry, Beijing Shijitan Hospital, Capital Medical University, Beijing, China
| | - Yueman Zhang
- Department of Anesthesiology, Renji Hospital, School of Medicine Shanghai Jiaotong University, Shanghai, China
| | - Jukka Jolkkonen
- Department of Neurology and A. I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, Kuopio, Finland
| | - Lili Cui
- Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Nadine Didwischus
- School of Life Sciences, University of Warwick, Coventry, UK.,Department of Radiology, University of Pittsburgh, Pittsburgh, USA.,McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, USA
| | - Wei Xuan
- Department of Anesthesiology, Renji Hospital, School of Medicine Shanghai Jiaotong University, Shanghai, China
| | - Johannes Boltze
- School of Life Sciences, University of Warwick, Coventry, UK
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Interleukin-13 Affects the Recovery Processes in a Mouse Model of Hemorrhagic Stroke with Bilateral Tibial Fracture. Mol Neurobiol 2022; 59:3040-3051. [PMID: 35258849 DOI: 10.1007/s12035-021-02650-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Accepted: 11/16/2021] [Indexed: 10/18/2022]
Abstract
As one form of stroke, intracerebral hemorrhage (ICH) is a fatal cerebrovascular disease, which has high morbidity and mortality and lacks effective medical treatment. Increased infiltration of inflammatory cytokines coupled with pyroptotic cell death is involved in the pathophysiological process of ICH. However, little is known about whether concomitant fracture patients have the same progression of inflammation and pyroptosis. Hence, we respectively established the mouse ICH model and ICH with bilateral tibial fracture model (MI) to explore the potential cross-talk between the above two injuries. We found that MI obviously reversed the expressions of pyroptosis-associated proteins, which were remarkably up-regulated at the acute phase after ICH. Similar results were observed in neuronal expressions via double immunostaining. Furthermore, brain edema was also significantly alleviated in mice who suffered MI, when compared with ICH alone. To better clarify the potential mechanisms that mediated this cross-talk, recombinant mouse interleukin-13 (IL-13) was used to investigate its effect on pyroptosis in the mouse MI model, in which a lower level of IL-13 was observed. Remarkably, IL-13 administration re-awakened cell death, which was mirrored by the re-upregulation of pyroptosis-associated proteins and PI-positive cell counts. The results of hemorrhage volume and behavioral tests further confirmed its critical role in regulating neurological functions. Besides, the IL-13-treated MI group showed poor outcomes of fracture healing. To sum up, our research indicates that controlling the IL-13 content in the acute phase would be a promising target in influencing the outcomes of brain injury and fracture, and meanwhile, provides new evidence in repairing compound injuries in clinics.
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Huo K, Wei M, Zhang M, Wang Z, Pan P, Shaligram SS, Huang J, Prado LBD, Wong J, Su H. Reduction of neuroinflammation alleviated mouse post bone fracture and stroke memory dysfunction. J Cereb Blood Flow Metab 2021; 41:2162-2173. [PMID: 33641516 PMCID: PMC8393305 DOI: 10.1177/0271678x21996177] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Tibia fracture (BF) enhances stroke injury and post-stroke memory dysfunction in mouse. Reduction of neuroinflammation by activation of α-7 nicotinic acetylcholine receptor (α-7 nAchR) reduced acute neuronal injury and sensorimotor dysfunction in mice with BF 1-day after stroke. We hypothesize that reduction of neuroinflammation by activation of α-7 nAchR improves long-term memory function of mice with BF 6-h before stroke. The mice were randomly assigned to saline, PHA-568487 (α-7 nAchR agonist) and methyllycaconitine (antagonist) treatment groups. The sensorimotor function was tested by adhesive removal and corner tests at 3 days, the memory function was tested by Y-maze test weekly for 8 weeks and novel objective recognition test at 8 weeks post-injuries. We found PHA-568487 treatment reduced, methyllycaconitine increased the number of CD68+ cells in the peri-infarct and hippocampal regions, neuronal injury in the infarct region, sensorimotor and long-term memory dysfunctions. PHA-568487 treatment also reduced, while methyllycaconitine treatment increased atrophy of hippocampal granule cell layer and white matter damage in the striatum. In addition, PHA-568487 treatment increased neuron proliferation in granule cell layer. Our data indicated that reduction of neuroinflammation through activation of α-7 nAchR decreased neuronal damage, sensorimotor and long-term memory dysfunction of mice with BF shortly before stroke.
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Affiliation(s)
- Kang Huo
- Center for Cerebrovascular Research, Department of Anesthesia and Perioperative Care, University of California, San Francisco, CA, USA
| | - Meng Wei
- Center for Cerebrovascular Research, Department of Anesthesia and Perioperative Care, University of California, San Francisco, CA, USA
| | - Meng Zhang
- Center for Cerebrovascular Research, Department of Anesthesia and Perioperative Care, University of California, San Francisco, CA, USA
| | - Zhanqiang Wang
- Center for Cerebrovascular Research, Department of Anesthesia and Perioperative Care, University of California, San Francisco, CA, USA
| | - Peipei Pan
- Center for Cerebrovascular Research, Department of Anesthesia and Perioperative Care, University of California, San Francisco, CA, USA
| | - Sonali S Shaligram
- Center for Cerebrovascular Research, Department of Anesthesia and Perioperative Care, University of California, San Francisco, CA, USA
| | - Jinhao Huang
- Center for Cerebrovascular Research, Department of Anesthesia and Perioperative Care, University of California, San Francisco, CA, USA
| | - Leandro B Do Prado
- Center for Cerebrovascular Research, Department of Anesthesia and Perioperative Care, University of California, San Francisco, CA, USA
| | - Julia Wong
- Center for Cerebrovascular Research, Department of Anesthesia and Perioperative Care, University of California, San Francisco, CA, USA
| | - Hua Su
- Center for Cerebrovascular Research, Department of Anesthesia and Perioperative Care, University of California, San Francisco, CA, USA
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Huang J, Lyu H, Huo K, Do Prado LB, Tang C, Wang Z, Li Q, Wong J, Su H. Bone Fracture Enhanced Blood-Brain Barrier Breakdown in the Hippocampus and White Matter Damage of Stroke Mice. Int J Mol Sci 2020; 21:ijms21228481. [PMID: 33187248 PMCID: PMC7697771 DOI: 10.3390/ijms21228481] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 10/30/2020] [Accepted: 11/09/2020] [Indexed: 02/06/2023] Open
Abstract
Background: Tibia fracture (BF) before stroke shortly causes long-term post-stroke memory dysfunction in mice. The mechanism is unclear. We hypothesize that BF enhances neuroinflammation and blood brain barrier (BBB) breakdown in the hippocampus and white matter (WM) damage. Methods: Mice were assigned to groups: BF, stroke, BF+stroke (BF 6 h before stroke) and sham. BBB integrity was analyzed 3 days after the surgeries and WM injury was analyzed 3 days and 8 weeks after the surgeries. Results: Stroke and BF+stroke groups had more activated microglia/macrophages and lower levels of claudin-5 in the ipsilateral hippocampi than the BF group. BF+stroke group had the highest number microglia/macrophages and the lowest level of claudin-5 among all groups and had fewer pericytes than BF group. Stroke and BF+stroke groups had smaller WM areas in the ipsilateral basal ganglia than the sham group 8 weeks after the injuries. The BF+stroke group also had smaller WM areas in the ipsilateral than sham and BF groups 3 days after the injuries and in the contralateral basal ganglia than stroke and BF groups 8 weeks after the injuries. Conclusions: BF exacerbates neuroinflammation and BBB leakage in the hippocampus and WM damage in basal ganglia, which could contribute to the long-lasting memory dysfunction in BF+stroke mice.
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Affiliation(s)
- Jinhao Huang
- Department of Anesthesia and Perioperative Care, University of California, San Francisco, CA 94143, USA; (J.H.); (H.L.); (K.H.); (L.B.D.P.); (C.T.); (Z.W.); (Q.L.); (J.W.)
- Center for Cerebrovascular Research, University of California, San Francisco, CA 94143, USA
| | - Haiyan Lyu
- Department of Anesthesia and Perioperative Care, University of California, San Francisco, CA 94143, USA; (J.H.); (H.L.); (K.H.); (L.B.D.P.); (C.T.); (Z.W.); (Q.L.); (J.W.)
- Center for Cerebrovascular Research, University of California, San Francisco, CA 94143, USA
| | - Kang Huo
- Department of Anesthesia and Perioperative Care, University of California, San Francisco, CA 94143, USA; (J.H.); (H.L.); (K.H.); (L.B.D.P.); (C.T.); (Z.W.); (Q.L.); (J.W.)
- Center for Cerebrovascular Research, University of California, San Francisco, CA 94143, USA
| | - Leandro B. Do Prado
- Department of Anesthesia and Perioperative Care, University of California, San Francisco, CA 94143, USA; (J.H.); (H.L.); (K.H.); (L.B.D.P.); (C.T.); (Z.W.); (Q.L.); (J.W.)
- Center for Cerebrovascular Research, University of California, San Francisco, CA 94143, USA
| | - Chaoliang Tang
- Department of Anesthesia and Perioperative Care, University of California, San Francisco, CA 94143, USA; (J.H.); (H.L.); (K.H.); (L.B.D.P.); (C.T.); (Z.W.); (Q.L.); (J.W.)
- Center for Cerebrovascular Research, University of California, San Francisco, CA 94143, USA
| | - Zhanqiang Wang
- Department of Anesthesia and Perioperative Care, University of California, San Francisco, CA 94143, USA; (J.H.); (H.L.); (K.H.); (L.B.D.P.); (C.T.); (Z.W.); (Q.L.); (J.W.)
- Center for Cerebrovascular Research, University of California, San Francisco, CA 94143, USA
| | - Qifeng Li
- Department of Anesthesia and Perioperative Care, University of California, San Francisco, CA 94143, USA; (J.H.); (H.L.); (K.H.); (L.B.D.P.); (C.T.); (Z.W.); (Q.L.); (J.W.)
- Center for Cerebrovascular Research, University of California, San Francisco, CA 94143, USA
| | - Julia Wong
- Department of Anesthesia and Perioperative Care, University of California, San Francisco, CA 94143, USA; (J.H.); (H.L.); (K.H.); (L.B.D.P.); (C.T.); (Z.W.); (Q.L.); (J.W.)
- Center for Cerebrovascular Research, University of California, San Francisco, CA 94143, USA
| | - Hua Su
- Department of Anesthesia and Perioperative Care, University of California, San Francisco, CA 94143, USA; (J.H.); (H.L.); (K.H.); (L.B.D.P.); (C.T.); (Z.W.); (Q.L.); (J.W.)
- Center for Cerebrovascular Research, University of California, San Francisco, CA 94143, USA
- Correspondence: ; Tel.: +1-628-206-3162
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Crosstalk of Brain and Bone-Clinical Observations and Their Molecular Bases. Int J Mol Sci 2020; 21:ijms21144946. [PMID: 32668736 PMCID: PMC7404044 DOI: 10.3390/ijms21144946] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 07/06/2020] [Accepted: 07/06/2020] [Indexed: 02/06/2023] Open
Abstract
As brain and bone disorders represent major health issues worldwide, substantial clinical investigations demonstrated a bidirectional crosstalk on several levels, mechanistically linking both apparently unrelated organs. While multiple stress, mood and neurodegenerative brain disorders are associated with osteoporosis, rare genetic skeletal diseases display impaired brain development and function. Along with brain and bone pathologies, particularly trauma events highlight the strong interaction of both organs. This review summarizes clinical and experimental observations reported for the crosstalk of brain and bone, followed by a detailed overview of their molecular bases. While brain-derived molecules affecting bone include central regulators, transmitters of the sympathetic, parasympathetic and sensory nervous system, bone-derived mediators altering brain function are released from bone cells and the bone marrow. Although the main pathways of the brain-bone crosstalk remain ‘efferent’, signaling from brain to bone, this review emphasizes the emergence of bone as a crucial ‘afferent’ regulator of cerebral development, function and pathophysiology. Therefore, unraveling the physiological and pathological bases of brain-bone interactions revealed promising pharmacologic targets and novel treatment strategies promoting concurrent brain and bone recovery.
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Ou X, Ying J, Bai X, Wang C, Ruan D. Activation of SIRT1 promotes cartilage differentiation and reduces apoptosis of nucleus pulposus mesenchymal stem cells via the MCP1/CCR2 axis in subjects with intervertebral disc degeneration. Int J Mol Med 2020; 46:1074-1084. [PMID: 32705163 PMCID: PMC7387093 DOI: 10.3892/ijmm.2020.4668] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Accepted: 05/07/2020] [Indexed: 12/12/2022] Open
Abstract
Intervertebral disc degeneration (IDD) is a condition involving disruption of the bone tissue distribution. Nucleus pulposus mesenchymal stem cells (NPMSCs) and Sirtuin 1 (SIRT1) play important roles in bone diseases, therefore the aim of the present study was to evaluate the roles of SIRT1 and NPMSCs in IDD. First, NPMSCs were harvested from patients with IDD. Then, the NPMSCs were treated with a SIRT activator, and monocyte chemoattractant protein 1 (MCP1) and chemokine receptor 2 (CCR2) inhibitors. Indices related to NPMSC growth, proliferation, differentiation and apoptosis were measured. Subsequently, IDD rat models were established and were transfected with NPMSCs overexpressing SIRT1. NPMSC apoptosis and cartilage differentiation were detected in the rat IDD model. SIRT1 expression was found to be decreased, and the expression of MCP1 and CCR2 increased in NPMSCs of patients with IDD. The upregulation of SIRT1 and the downregulation of the MCP1/CCR2 axis promoted cartilage differentiation and reduced the number of apoptotic NPMSCs. Furthermore, MCP1 reversed the progression of the cartilage differentiation of NPMSCs and the inhibition of NPMSC apoptosis induced by SIRT1 overexpression. Moreover, the transplantation of rat NPMSCs overexpressing SIRT1 relieved IDD in rats. Therefore, SIRT1 overexpression improved cartilage differentiation and reduced the apoptosis of NPMSCs by inactivating the MCP1/CCR2 axis, thus attenuating IDD in rats.
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Affiliation(s)
- Xuancheng Ou
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Jinwei Ying
- Department of Orthopedic Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
| | - Xuedong Bai
- Department of Orthopedic Surgery, The Sixth Medical Centre of PLA General Hospital, Beijing 100048, P.R. China
| | - Chaofeng Wang
- Department of Orthopedic Surgery, The Sixth Medical Centre of PLA General Hospital, Beijing 100048, P.R. China
| | - Dike Ruan
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
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Moore LE, Sferra JJ, Engoren M. Timing and Risk Factors Associated With Postoperative Stroke in Vascular Surgery Patients Using Time-Varying Coefficients From a Cox Model. Anesth Analg 2020; 130:673-684. [DOI: 10.1213/ane.0000000000004595] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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9
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Li Z, Wei M, Lyu H, Huo K, Wang L, Zhang M, Su H. Fracture shortly before stroke in mice leads to hippocampus inflammation and long-lasting memory dysfunction. J Cereb Blood Flow Metab 2020; 40:446-455. [PMID: 30667320 PMCID: PMC7370615 DOI: 10.1177/0271678x19825785] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Cognitive impairment occurs in stroke and hip fracture patients. In mice, bone fracture (BF) exacerbates stroke-related neuronal damage and sensorimotor dysfunction. We hypothesize that BF exacerbates post-stroke cognitive impairment. Adult mice were randomly assigned into BF, stroke, BF+stroke (BF 6 h before stroke), and control (sham operated) groups. Memory function was evaluated weekly for eight weeks by Y maze test and at eight weeks post-surgeries by novel object recognition (NOR) test. The neuronal damage and inflammation in hippocampus were analyzed three days and eight weeks after the surgeries. In Y maze test, BF+stroke mice started making fewer alternations than controls two weeks after the surgeries. Significant difference between BF+stroke and stroke groups started at five weeks post-injury and continued to the end of the experiment. In NOR test, BF+stroke group spent less time on novel objective than that of other groups. Cx3cr1+ cells and CD68+ cells accumulated in the stratum lacunosum moleculare (SLM) on the ipsilateral side of stroke injury in stroke and BF+stroke mice. BF+stroke mice had a higher ratio of ipsilateral/contralateral Cx3cr1+ cell-density than that of stroke mice. Therefore, BF shortly before stroke exacerbates hippocampal inflammation and causes long-lasting memory dysfunction.
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Affiliation(s)
- Zhengxi Li
- Center for Cerebrovascular Research, Department of Anesthesia and Perioperative Care, University of California, San Francisco, CA, USA
| | - Meng Wei
- Center for Cerebrovascular Research, Department of Anesthesia and Perioperative Care, University of California, San Francisco, CA, USA
| | - Haiyan Lyu
- Center for Cerebrovascular Research, Department of Anesthesia and Perioperative Care, University of California, San Francisco, CA, USA
| | - Kang Huo
- Center for Cerebrovascular Research, Department of Anesthesia and Perioperative Care, University of California, San Francisco, CA, USA
| | - Liang Wang
- Center for Cerebrovascular Research, Department of Anesthesia and Perioperative Care, University of California, San Francisco, CA, USA
| | - Meng Zhang
- Center for Cerebrovascular Research, Department of Anesthesia and Perioperative Care, University of California, San Francisco, CA, USA
| | - Hua Su
- Center for Cerebrovascular Research, Department of Anesthesia and Perioperative Care, University of California, San Francisco, CA, USA
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Zvejniece L, Stelfa G, Vavers E, Kupats E, Kuka J, Svalbe B, Zvejniece B, Albert-Weissenberger C, Sirén AL, Plesnila N, Dambrova M. Skull Fractures Induce Neuroinflammation and Worsen Outcomes after Closed Head Injury in Mice. J Neurotrauma 2019; 37:295-304. [PMID: 31441378 PMCID: PMC6964812 DOI: 10.1089/neu.2019.6524] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
The weight-drop model is used widely to replicate closed-head injuries in mice; however, the histopathological and functional outcomes may vary significantly between laboratories. Because skull fractures are reported to occur in this model, we aimed to evaluate whether these breaks may influence the variability of the weight-drop (WD) model. Male Swiss Webster mice underwent WD injury with either a 2 or 5 mm cone tip, and behavior was assessed at 2 h and 24 h thereafter using the neurological severity score. The expression of interleukin (IL)-6, IL-1β, tumor necrosis factor-α, matrix metalloproteinase-9, and tissue inhibitor of metalloproteinase-1 genes was measured at 12 h and 1, 3, and 14 days after injury. Before the injury, micro-computed tomography (micro-CT) was performed to quantify skull thickness at the impact site. With a conventional tip diameter of 2 mm, 33% of mice showed fractures of the parietal bone; the 5 mm tip produced only 10% fractures. Compared with mice without fractures, mice with fractures had a severity-dependent worse functional outcome and a more pronounced upregulation of inflammatory genes in the brain. Older mice were associated with thicker parietal bones and were less prone to skull fractures. In addition, mice that underwent traumatic brain injury (TBI) with skull fracture had macroscopic brain damage because of skull depression. Skull fractures explain a considerable proportion of the variability observed in the WD model in mice—i.e., mice with skull fractures have a much stronger inflammatory response than do mice without fractures. Using older mice with thicker skull bones and an impact cone with a larger diameter reduces the rate of skull fractures and the variability in this very useful closed-head TBI model.
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Affiliation(s)
- Liga Zvejniece
- Latvian Institute of Organic Synthesis, Riga, Latvia
- Address correspondence to: Liga Zvejniece, MD, PhD, Latvian Institute of Organic Synthesis, Aizkraukles 21, LV-1006, Riga, Latvia
| | - Gundega Stelfa
- Latvian Institute of Organic Synthesis, Riga, Latvia
- Latvia University of Life Sciences and Technologies, Jelgava, Latvia
| | - Edijs Vavers
- Latvian Institute of Organic Synthesis, Riga, Latvia
| | - Einars Kupats
- Latvian Institute of Organic Synthesis, Riga, Latvia
- Riga Stradins University, Riga, Latvia
| | - Janis Kuka
- Latvian Institute of Organic Synthesis, Riga, Latvia
| | - Baiba Svalbe
- Latvian Institute of Organic Synthesis, Riga, Latvia
| | - Baiba Zvejniece
- Latvian Institute of Organic Synthesis, Riga, Latvia
- University of Latvia, Riga, Latvia
| | | | - Anna-Leena Sirén
- Department of Neurosurgery, University Hospital Würzburg, Würzburg, Germany
| | - Nikolaus Plesnila
- University of Munich, Institute for Stroke and Dementia Research, Munich, Germany
| | - Maija Dambrova
- Latvian Institute of Organic Synthesis, Riga, Latvia
- Riga Stradins University, Riga, Latvia
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Wei M, Lyu H, Huo K, Su H. Impact of Bone Fracture on Ischemic Stroke Recovery. Int J Mol Sci 2018; 19:ijms19051533. [PMID: 29786644 PMCID: PMC5983742 DOI: 10.3390/ijms19051533] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Revised: 05/17/2018] [Accepted: 05/18/2018] [Indexed: 01/21/2023] Open
Abstract
Stroke is one of the most devastating complications of bone fracture, occurring in up to 4% of patients after surgical repair for hip fracture. Bone fracture and ischemic stroke have many common risk factors. The impact of bone fracture on stroke recovery has not drawn much attention in the research field. Bone fracture could occur in stroke patients at different times during the recovery phase, which steepens the trajectory of cognitive decline, greatly affects the quality of life, and causes a heavy burden on healthcare resources. In this paper, we reviewed the growing information on the pathophysiological mechanisms by which bone fracture may affect ischemic stroke recovery process.
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Affiliation(s)
- Meng Wei
- Center for Cerebrovascular Research, Department of Anesthesia and Perioperative Care, University of California, San Francisco, CA 94110, USA.
| | - Haiyian Lyu
- Center for Cerebrovascular Research, Department of Anesthesia and Perioperative Care, University of California, San Francisco, CA 94110, USA.
| | - Kang Huo
- Center for Cerebrovascular Research, Department of Anesthesia and Perioperative Care, University of California, San Francisco, CA 94110, USA.
| | - Hua Su
- Center for Cerebrovascular Research, Department of Anesthesia and Perioperative Care, University of California, San Francisco, CA 94110, USA.
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Su H. Inflammation and genetic factors in stroke pathogenesis. NEUROIMMUNOLOGY AND NEUROINFLAMMATION 2017; 4:260-262. [PMID: 29497632 PMCID: PMC5828685 DOI: 10.20517/2347-8659.2017.22] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Grants] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Hua Su
- Center for Cerebrovascular Research, Department of Anesthesia and Perioperative Care, University of California, San Francisco, CA 94143, USA
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13
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Zou D, Luo M, Han Z, Zhan L, Zhu W, Kang S, Bao C, Li Z, Nelson J, Zhang R, Su H. Activation of Alpha-7 Nicotinic Acetylcholine Receptor Reduces Brain Edema in Mice with Ischemic Stroke and Bone Fracture. Mol Neurobiol 2017; 54:8278-8286. [PMID: 27914011 PMCID: PMC5457363 DOI: 10.1007/s12035-016-0310-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2016] [Accepted: 11/21/2016] [Indexed: 01/30/2023]
Abstract
Stroke is an important risk factor for bone fracture. We showed previously that bone fracture at the acute stage of ischemic stroke worsens, and activation of α-7 nicotinic acetylcholine receptor (α-7 nAchR) improves, stroke recovery by attenuating inflammation. We hypothesized that activation of α-7 nAchR also improves the blood-brain barrier (BBB) integrity. Permanent distal middle cerebral artery occlusion (pMCAO) was performed on C57BL/6J mice followed by tibia fracture 1 day later. Mice were treated with 0.8 mg/kg PHA 568487 (PHA, α-7 nAchR-specific agonist), 6 mg/kg methyllycaconitine (MLA, α-7 nAchR antagonist), or saline 1 and 2 days after pMCAO. Brain water content, the expression of monoamine oxidase B (MAO-B), and tight junction protein (claudin-5) were assessed. We found that tibia fracture increased water content in the ischemic stroke brain (p = 0.006) and MAO-B-positive astrocytes (p < 0.001). PHA treatment reduced water content and MAO-B-positive astrocytes and increased claudin-5 expression in stroke and stroke + tibia fracture mice (p < 0.05), while MLA had the opposite effect. Our findings suggest that in addition to inhibiting inflammation, activation of α-7 nAchR also reduces brain edema, possibly through diminished astrocyte oxidative stress and improved BBB integrity. Thus, the α-7 nAchR-specific agonist could be developed into a new therapy for improving recovery of patients with stroke or stroke + bone fracture.
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Affiliation(s)
- Dingquan Zou
- Department of Anesthesia and Perioperative Care, Center for Cerebrovascular Research, University of California, San Francisco, San Francisco, CA, 94143, USA
- Department of Anesthesiology, Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Man Luo
- Department of Anesthesia and Perioperative Care, Center for Cerebrovascular Research, University of California, San Francisco, San Francisco, CA, 94143, USA
- Department of Neurology, First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi, China
| | - Zhenying Han
- Department of Anesthesia and Perioperative Care, Center for Cerebrovascular Research, University of California, San Francisco, San Francisco, CA, 94143, USA
| | - Lei Zhan
- Department of Anesthesia and Perioperative Care, Center for Cerebrovascular Research, University of California, San Francisco, San Francisco, CA, 94143, USA
| | - Wan Zhu
- Department of Anesthesia and Perioperative Care, Center for Cerebrovascular Research, University of California, San Francisco, San Francisco, CA, 94143, USA
| | - Shuai Kang
- Department of Anesthesia and Perioperative Care, Center for Cerebrovascular Research, University of California, San Francisco, San Francisco, CA, 94143, USA
| | - Chen Bao
- Department of Anesthesia and Perioperative Care, Center for Cerebrovascular Research, University of California, San Francisco, San Francisco, CA, 94143, USA
| | - Zhao Li
- Department of Anesthesia and Perioperative Care, Center for Cerebrovascular Research, University of California, San Francisco, San Francisco, CA, 94143, USA
| | - Jeffrey Nelson
- Department of Anesthesia and Perioperative Care, Center for Cerebrovascular Research, University of California, San Francisco, San Francisco, CA, 94143, USA
| | - Rui Zhang
- Department of Anesthesia and Perioperative Care, Center for Cerebrovascular Research, University of California, San Francisco, San Francisco, CA, 94143, USA
| | - Hua Su
- Department of Anesthesia and Perioperative Care, Center for Cerebrovascular Research, University of California, San Francisco, San Francisco, CA, 94143, USA.
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14
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Wang L, Kang S, Zou D, Zhan L, Li Z, Zhu W, Su H. Correction: Bone Fracture Pre-Ischemic Stroke Exacerbates Ischemic Cerebral Injury in Mice. PLoS One 2016; 11:e0164214. [PMID: 27684704 PMCID: PMC5042548 DOI: 10.1371/journal.pone.0164214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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