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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 PMCID: PMC11300662 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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Krajnak K, Warren C, Xu X, Chapman P, Waugh S, Boots T, Welcome D, Dong R. Applied Force Alters Sensorineural and Peripheral Vascular Function in a Rat Model of Hand-Arm Vibration Syndrome. J Occup Environ Med 2024; 66:93-104. [PMID: 37903602 PMCID: PMC10921367 DOI: 10.1097/jom.0000000000002998] [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] [Indexed: 11/01/2023]
Abstract
OBJECTIVE This study described the effects of applied force (grip) on vascular and sensorineural function in an animal model of hand-arm vibration syndrome (HAVS). METHODS Rat tails were exposed to 0, 2, or 4 N of applied force 4 hr/d for 10 days. Blood flow and sensitivity to transcutaneous electrical stimulation and pressure were measured. RESULTS Applied force increased blood flow but reduced measures of arterial plasticity. Animals exposed to force tended to be more sensitive to 250-Hz electrical stimulation and pressure applied to the tail. CONCLUSIONS Effects of applied force on blood flow and sensation are different than those of vibration. Studies examining co-exposures to force and vibration will provide data that can be used to determine how these factors affect risk of workers developing vascular and sensorineural dysfunction (ie, HAVS).
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Affiliation(s)
- Kristine Krajnak
- From the Physical Effects Research Branch, National Institute for Occupational Safety and Health, Morgantown, West Virginia
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Krajnak K, Waugh S, Welcome D, Xu XS, Warren C, McKinney W, Dong RG. Effects of whole-body vibration on reproductive physiology in a rat model of whole-body vibration. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2022; 85:953-971. [PMID: 36165131 PMCID: PMC9885295 DOI: 10.1080/15287394.2022.2128954] [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] [Indexed: 06/16/2023]
Abstract
Findings from epidemiological studies suggest that occupational exposure to whole-body vibration (WBV) may increase the risk of miscarriage and contribute to a reduction in fertility rates in both men and women. However, workers exposed to WBV may also be exposed to other risk factors that contribute to reproductive dysfunction. The goal of this experiment was to examine the effects of WBV on reproductive physiology in a rat model. Male and female rats were exposed to WBV at the resonant frequency of the torso (31.5 Hz, 0.3 g amplitude) for 4 hr/day for 10 days. WBV exposure resulted in a significant reduction in number of developing follicles, and decrease in circulating estradiol concentrations, ovarian luteinizing hormone receptor protein levels, and marked changes in transcript levels for several factors involved in follicular development, cell cycle, and steroidogenesis. In males, WBV resulted in a significant reduction in spermatids and circulating prolactin levels, elevation in number of males having higher circulating testosterone concentrations, and marked alterations in levels of transcripts associated with oxidative stress, inflammation, and factors involved in regulating the cell cycle. Based upon these findings data indicate that occupational exposure to WBV contributes to adverse alterations in reproductive physiology in both genders that may lead to reduction in fertility.
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Affiliation(s)
- K Krajnak
- Physical Effects Research Branch, National Institute for Occupational Safety and Health, Morgantown, West Virginia
| | - S Waugh
- Physical Effects Research Branch, National Institute for Occupational Safety and Health, Morgantown, West Virginia
| | - D Welcome
- Physical Effects Research Branch, National Institute for Occupational Safety and Health, Morgantown, West Virginia
| | - X S Xu
- Physical Effects Research Branch, National Institute for Occupational Safety and Health, Morgantown, West Virginia
| | - C Warren
- Physical Effects Research Branch, National Institute for Occupational Safety and Health, Morgantown, West Virginia
| | - W McKinney
- Physical Effects Research Branch, National Institute for Occupational Safety and Health, Morgantown, West Virginia
| | - R G Dong
- Physical Effects Research Branch, National Institute for Occupational Safety and Health, Morgantown, West Virginia
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Influence of 40 Hz and 100 Hz Vibration on SH-SY5Y Cells Growth and Differentiation-A Preliminary Study. Molecules 2022; 27:molecules27103337. [PMID: 35630814 PMCID: PMC9143216 DOI: 10.3390/molecules27103337] [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: 04/30/2022] [Revised: 05/17/2022] [Accepted: 05/19/2022] [Indexed: 02/05/2023] Open
Abstract
(1) Background: A novel bioreactor platform of neuronal cell cultures using low-magnitude, low-frequency (LMLF) vibrational stimulation was designed to discover vibration influence and mimic the dynamic environment of the in vivo state. To better understand the impact of 40 Hz and 100 Hz vibration on cell differentiation, we join biotechnology and advanced medical technology to design the nano-vibration system. The influence of vibration on the development of nervous tissue on the selected cell line SH-SY5Y (experimental research model in Alzheimer’s and Parkinson’s) was investigated. (2) Methods: The vibration stimulation of cell differentiation and elongation of their neuritis were monitored. We measured how vibrations affect the morphology and differentiation of nerve cells in vitro. (3) Results: The highest average length of neurites was observed in response to the 40 Hz vibration on the collagen surface in the differentiating medium, but cells response did not increase with vibration frequency. Also, vibrations at a frequency of 40 Hz or 100 Hz did not affect the average density of neurites. 100 Hz vibration increased the neurites density significantly with time for cultures on collagen and non-collagen surfaces. The exposure of neuronal cells to 40 Hz and 100 Hz vibration enhanced cell differentiation. The 40 Hz vibration has the best impact on neuronal-like cell growth and differentiation. (4) Conclusions: The data demonstrated that exposure to neuronal cells to 40 Hz and 100 Hz vibration enhanced cell differentiation and proliferation. This positive impact of vibration can be used in tissue engineering and regenerative medicine. It is planned to optimize the processes and study its molecular mechanisms concerning carrying out the research.
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Reid MB. Redox Implications of Extreme Task Performance: The Case in Driver Athletes. Cells 2022; 11:cells11050899. [PMID: 35269521 PMCID: PMC8909750 DOI: 10.3390/cells11050899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 02/26/2022] [Accepted: 03/03/2022] [Indexed: 02/04/2023] Open
Abstract
Redox homeostasis and redox-mediated signaling mechanisms are fundamental elements of human biology. Physiological levels of reactive oxygen species (ROS) and reactive nitrogen species (RNS) modulate a range of functional processes at the cellular, tissue, and systemic levels in healthy humans. Conversely, excess ROS or RNS activity can disrupt function, impairing the performance of daily activities. This article analyzes the impact of redox mechanisms on extreme task performance. Such activities (a) require complex motor skills, (b) are physically demanding, (c) are performed in an extreme environment, (d) require high-level executive function, and (e) pose an imminent risk of injury or death. The current analysis utilizes race car driving as a representative example. The physiological challenges of this extreme task include physical exertion, g loading, vibration, heat exposure, dehydration, noise, mental demands, and emotional factors. Each of these challenges stimulates ROS signaling, RNS signaling, or both, alters redox homeostasis, and exerts pro-oxidant effects at either the tissue or systemic levels. These redox mechanisms appear to promote physiological stress during race car driving and impair the performance of driver athletes.
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Affiliation(s)
- Michael B Reid
- College of Health and Human Performance, University of Florida, Gainesville, FL 32611, USA
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Dong RG, Wu JZ, Xu XS, Welcome DE, Krajnak K. A Review of Hand-Arm Vibration Studies Conducted by US NIOSH since 2000. VIBRATION 2021; 4:482-528. [PMID: 34414357 PMCID: PMC8371562 DOI: 10.3390/vibration4020030] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Studies on hand-transmitted vibration exposure, biodynamic responses, and biological effects were conducted by researchers at the Health Effects Laboratory Division (HELD) of the National Institute for Occupational Safety and Health (NIOSH) during the last 20 years. These studies are systematically reviewed in this report, along with the identification of areas where additional research is needed. The majority of the studies cover the following aspects: (i) the methods and techniques for measuring hand-transmitted vibration exposure; (ii) vibration biodynamics of the hand-arm system and the quantification of vibration exposure; (iii) biological effects of hand-transmitted vibration exposure; (iv) measurements of vibration-induced health effects; (iv) quantification of influencing biomechanical effects; and (v) intervention methods and technologies for controlling hand-transmitted vibration exposure. The major findings of the studies are summarized and discussed.
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Affiliation(s)
- Ren G. Dong
- Physical Effects Research Branch, Health Effects Laboratory Division (HELD), National Institute for Occupational Safety and Health (NIOSH), Morgantown, WV 26505, USA
| | - John Z. Wu
- Physical Effects Research Branch, Health Effects Laboratory Division (HELD), National Institute for Occupational Safety and Health (NIOSH), Morgantown, WV 26505, USA
| | - Xueyan S. Xu
- Physical Effects Research Branch, Health Effects Laboratory Division (HELD), National Institute for Occupational Safety and Health (NIOSH), Morgantown, WV 26505, USA
| | - Daniel E. Welcome
- Physical Effects Research Branch, Health Effects Laboratory Division (HELD), National Institute for Occupational Safety and Health (NIOSH), Morgantown, WV 26505, USA
| | - Kristine Krajnak
- Physical Effects Research Branch, Health Effects Laboratory Division (HELD), National Institute for Occupational Safety and Health (NIOSH), Morgantown, WV 26505, USA
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Krajnak K. Vibrotactile sensitivity testing for occupational and disease-induce peripheral neuropathies. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART B, CRITICAL REVIEWS 2021; 24:162-172. [PMID: 33719930 DOI: 10.1080/10937404.2021.1897911] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The International Standard Organization (ISO) standard 13091-1 describes methods and procedures for performing the vibrotactile perception threshold (VPT) testing to diagnose changes in tactile sensory function associated with occupational exposures. However, the VPT test also has been used in the diagnosis of peripheral neuropathies associated with a number of disorders. This review examines the VPT test, variations in procedures that have been used, as well as disorders and diseases in which this test has been reliable for the detection of sensory changes. Mechanisms potentially underlying the changes in VPTs are also discussed along with procedural and subject/patient factors that may affect the interpretation of test results. Based upon the review of the literature, there are also suggestions for where additional research might improve the administration of this test, depending upon the subject/patient population and interpretation of data.
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Affiliation(s)
- Kristine Krajnak
- Physical Effect Research Branch, National Institute for Occupational Safety and Health, Morgantown, WV, USA
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Xu J, Guan Z, Wang X, Sun D, Li Y, Pei B, Lu Y, Yuan L, Zhang X. Network Pharmacology and Experimental Evidence Identify the Mechanism of Astragaloside IV in Oxaliplatin Neurotoxicity. DRUG DESIGN DEVELOPMENT AND THERAPY 2021; 15:99-110. [PMID: 33469263 PMCID: PMC7811377 DOI: 10.2147/dddt.s262818] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Accepted: 12/22/2020] [Indexed: 12/11/2022]
Abstract
Background and Objective Neurotoxicity is a common side effect of oxaliplatin; the effect of current drugs such as methylcobalamin and gabapentine is not obvious. Astragaloside IV (AS-IV) is an important active ingredient of Astragali Radix, which can protect the nervous system and inhibit tumor growth to a certain extent. However, whether AS-IV can reduce oxaliplatin neurotoxicity and its molecular mechanism remain unclear. Methods The network pharmacology method was used to determine the collective targets of AS-IV and oxaliplatin neurotoxicity. The model of neurotoxicity was established by intraperitoneal injection of oxaliplatin in rats. Bodyweight, mechanical withdrawal threshold (MWT), cold allodynia, and nerve conduction velocity (NCV) were examined, pathological changes were observed by hematoxylin-eosin staining, number of Nissl bodies were assessed by Nissl staining, the key collective targets were measured by spectrophotometry and immunohistochemistry. Results Through network pharmacological analysis, 25 collective targets of AS-IV and oxaliplatin neurotoxicity were identified, mainly related to inflammation and oxidative stress. AS-IV could increase body weight, elevate MWT, and reduce cold allodynia of model rats, it also raised NCV. Neuropathology was improved and the number of Nissl bodies was increased by AS-IV administration. It reduced TNF-α, IL-6, and IL-1β in the spinal cord of model rats to inhibit inflammation; it also decreased MDA, raised SOD, CAT, and GSH-Px in the spinal cord of model rats to block oxidative stress. Conclusion AS-IV improves oxaliplatin neurotoxicity by regulating neuroinflammation and oxidative stress; the results can provide a new perspective for the potential treatment strategy of oxaliplatin neurotoxicity.
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Affiliation(s)
- Jingyu Xu
- Department of Traditional Chinese Medicine, Changzheng Hospital, Naval Medical University, Shanghai 200003, People's Republic of China
| | - Zhenbiao Guan
- Department of Respiration, Changhai Hospital, Naval Medical University, Shanghai 200433, People's Republic of China
| | - Xiaowei Wang
- Department of Traditional Chinese Medicine, Changzheng Hospital, Naval Medical University, Shanghai 200003, People's Republic of China
| | - Dazhi Sun
- Department of Traditional Chinese Medicine, Changzheng Hospital, Naval Medical University, Shanghai 200003, People's Republic of China
| | - Yongjin Li
- Department of Traditional Chinese Medicine, Changzheng Hospital, Naval Medical University, Shanghai 200003, People's Republic of China
| | - Bei Pei
- Department of Traditional Chinese Medicine, Changzheng Hospital, Naval Medical University, Shanghai 200003, People's Republic of China
| | - Ye Lu
- Department of Traditional Chinese Medicine, Changzheng Hospital, Naval Medical University, Shanghai 200003, People's Republic of China
| | - Liangxi Yuan
- Department of Vascular Surgery, Changhai Hospital, Naval Medical University, Shanghai 200433, People's Republic of China
| | - Xuan Zhang
- Department of Traditional Chinese Medicine, Changzheng Hospital, Naval Medical University, Shanghai 200003, People's Republic of China
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Role of Circular Ribonucleic Acids in the Treatment of Traumatic Brain and Spinal Cord Injury. Mol Neurobiol 2020; 57:4296-4304. [DOI: 10.1007/s12035-020-02027-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Accepted: 07/14/2020] [Indexed: 12/19/2022]
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Alvarez P, Bogen O, Levine JD. Nociceptor Interleukin 33 Receptor/ST2 Signaling in Vibration-Induced Muscle Pain in the Rat. THE JOURNAL OF PAIN 2019; 21:506-512. [PMID: 31562993 DOI: 10.1016/j.jpain.2019.09.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Revised: 09/13/2019] [Accepted: 09/15/2019] [Indexed: 12/15/2022]
Abstract
Occupational exposure to mechanical vibration can produce the hand-arm vibration syndrome (HAVS), whose most disabling symptom is persistent muscle pain. Unfortunately, the pathophysiology of HAVS pain is still poorly understood, precluding the development of mechanism-based therapies. Since interleukin 33 (IL-33) is essential for inflammation and recovery that follows skeletal muscle injury, we explored its role in muscle pain in a model of HAVS, in adult male rats. Concomitant to mechanical hyperalgesia, an increase in IL-33 in the ipsilateral gastrocnemius muscle was observed 24 hours after vibration. A similar hyperalgesia was produced by intramuscular injection of recombinant rat IL-33 (rrIL-33, 10-300 ng). Intrathecal administration of an oligodeoxynucleotide antisense to IL-33R/ST2 mRNA decreased the expression of ST2 in DRG and attenuated both rrIL-33 and vibration-induced mechanical hyperalgesia. Together these data support the suggestion that IL-33 plays a central role in vibration-induced muscle pain by action, at least in part, on skeletal muscle nociceptors. PERSPECTIVE: Our findings provide evidence of the contribution of IL-33, acting on its canonical receptor, in nociceptors, to muscle pain induced by ergonomic vibration. This suggests that targeting IL-33/ST2 signaling may be a useful strategy for the treatment of muscle pain in HAVS.
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Affiliation(s)
- Pedro Alvarez
- Department of Oral and Maxillofacial Surgery, University of California, San Francisco, California
| | - Oliver Bogen
- Department of Oral and Maxillofacial Surgery, University of California, San Francisco, California
| | - Jon D Levine
- Department of Medicine, University of California, San Francisco, California.
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