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Baka P, Steenken L, Escolano-Lozano F, Steffen F, Papagianni A, Sommer C, Pogatzki-Zahn E, Hirsch S, Protopapa M, Bittner S, Birklein F. Studying serum neurofilament light chain levels as a potential new biomarker for small fiber neuropathy. Eur J Neurol 2024; 31:e16192. [PMID: 38189534 DOI: 10.1111/ene.16192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 12/01/2023] [Accepted: 12/11/2023] [Indexed: 01/09/2024]
Abstract
BACKGROUND AND PURPOSE Diagnosing small fiber neuropathies can be challenging. To address this issue, whether serum neurofilament light chain (sNfL) could serve as a potential biomarker of damage to epidermal Aδ- and C-fibers was tested. METHODS Serum NfL levels were assessed in 30 patients diagnosed with small fiber neuropathy and were compared to a control group of 19 healthy individuals. Electrophysiological studies, quantitative sensory testing and quantification of intraepidermal nerve fiber density after skin biopsy were performed in both the proximal and distal leg. RESULTS Serum NfL levels were not increased in patients with small fiber neuropathy compared to healthy controls (9.1 ± 3.9 and 9.4 ± 3.8, p = 0.83) and did not correlate with intraepidermal nerve fiber density at the lateral calf or lateral thigh or with other parameters of small fiber impairment. CONCLUSION Serum NfL levels cannot serve as a biomarker for small fiber damage.
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Affiliation(s)
- Panoraia Baka
- Department of Neurology, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Livia Steenken
- Department of Neurology, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Fabiola Escolano-Lozano
- Department of Neurology, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Falk Steffen
- Department of Neurology, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | | | - Claudia Sommer
- Department of Neurology, University Hospital of Würzburg, Würzburg, Germany
| | - Esther Pogatzki-Zahn
- Department of Anaesthesiology, Intensive Care and Pain Medicine, University Hospital Münster, Münster, Germany
| | - Silke Hirsch
- Department of Neurology, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Maria Protopapa
- Department of Neurology, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Stefan Bittner
- Department of Neurology, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Frank Birklein
- Department of Neurology, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
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Cheng MK, Guo YY, Kang XN, Zhang L, Wang D, Ren HH, Yuan G. Advances in cardiovascular-related biomarkers to predict diabetic peripheral neuropathy. World J Diabetes 2023; 14:1226-1233. [PMID: 37664477 PMCID: PMC10473952 DOI: 10.4239/wjd.v14.i8.1226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 06/24/2023] [Accepted: 07/07/2023] [Indexed: 08/11/2023] Open
Abstract
Diabetic peripheral neuropathy (DPN) is a common chronic complication of diabetes mellitus. One of the most common types is distal symmetric poly-neuropathy, which begins as bilateral symmetry pain and hyperesthesia and gradually progresses into hypoesthesia with nerve fibre disorder and is frequently accompanied by depression and anxiety. Notably, more than half of patients with DPN can be asymptomatic, which tends to delay early detection. Furthermore, the study of adverse outcomes showed that DPN is a prominent risk factor for foot ulceration, gangrene and nontraumatic amputation, which decreases quality of life. Thus, it is essential to develop convenient diagnostic biomarkers with high sensitivity for screening and early intervention. It has been reported that there may be common pathways for microvascular and macrovascular complications of diabetes. The pathogenesis of both disorders involves vascular endothelial dys-function. Emerging evidence indicates that traditional and novel cardiovascular-related biomarkers have the potential to characterize patients by subclinical disease status and improve risk prediction. Additionally, beyond traditional cardiovascular-related biomarkers, novel cardiovascular-related biomarkers have been linked to diabetes and its complications. In this review, we evaluate the association between major traditional and nontraditional car-diovascular-related biomarkers of DPN, such as cardiac troponin T, B-type natriuretic peptide, C-reactive protein, myeloperoxidase, and homocysteine, and assess the evidence for early risk factor-based management strategies to reduce the incidence and slow the progression of DPN.
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Affiliation(s)
- Meng-Ke Cheng
- Department of Endocrinology, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan 430030, Hubei Province, China
| | - Yao-Yao Guo
- Department of Endocrinology, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan 430030, Hubei Province, China
| | - Xiao-Nan Kang
- Department of Endocrinology, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan 430030, Hubei Province, China
| | - Lu Zhang
- Department of Endocrinology, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan 430030, Hubei Province, China
| | - Dan Wang
- Department of Endocrinology, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan 430030, Hubei Province, China
| | - Hui-Hui Ren
- Department of Endocrinology, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan 430030, Hubei Province, China
| | - Gang Yuan
- Department of Endocrinology, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan 430030, Hubei Province, China
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Verduyn C, Bjerke M, Duerinck J, Engelborghs S, Peers K, Versijpt J, D'haeseleer M. CSF and Blood Neurofilament Levels in Athletes Participating in Physical Contact Sports: A Systematic Review. Neurology 2021; 96:705-715. [PMID: 33637627 DOI: 10.1212/wnl.0000000000011750] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Accepted: 01/15/2021] [Indexed: 12/14/2022] Open
Abstract
OBJECTIVE To evaluate whether participating in physical contact sports is associated with a release of neurofilaments and whether such release is related to future clinical neurologic and/or psychiatric impairment. METHODS We performed a systematic review of the PubMed, MEDLINE, and Cochrane Library databases using a combination of the search terms neurofilament(s)/intermediate filament and sport(s)/athletes. Original studies, written in English, reporting on neurofilaments in CSF and/or serum/plasma of contact sport athletes were included. This review was conducted following the Preferred Reporting Items for Systematic Review and Analyses guidelines. RESULTS Eighteen studies in 8 different contact sports (i.e., boxing, American football, ice hockey, soccer, mixed martial arts, lacrosse, rugby, and wrestling) matched our criteria. Elevated light chain neurofilament (NfL) levels were described in 13/18 cohorts. Most compelling evidence was present in boxing and American football, where exposure-related increases were appreciable at the intraindividual level (up to 4.1- and 2.0-fold, respectively) in well-defined groups. Differences in exposure severity (including previous cumulative effects), sampling/measurement time points (with regard to expected peak values), and definitions of the baseline setting are considered as main contributors to the variability in findings. No studies were encountered that have investigated the relationship with the targeted clinical end points; therefore no NfL cutoffs exist that are associated with a poor outcome. CONCLUSION NfL release can be seen, as a potential marker of neuronal brain damage, in participants of physical contact sports, particularly boxing and American football. The exact significance regarding the risk for future clinical impairment remains to be elucidated.
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Affiliation(s)
- Carl Verduyn
- From the Department of Physical Medicine and Rehabilitation (C.V., K.P.), Universitair Ziekenhuis Leuven; Katholieke Universiteit Leuven; Center for Neurosciences (M.B., J.D., S.E., J.V., M.D.), Vrije Universiteit Brussel; Reference Center for Biological Markers of Dementia (M.B., S.E.), Institute Born-Bunge, Universiteit Antwerpen; Neurochemistry Laboratory (M.B.), Department of Clinical Biology, Universitair Ziekenhuis Brussel; Department of Neurosurgery (J.D.), Universitair Ziekenhuis Brussel; Department of Neurology (S.E., J.V., M.D.), Universitair Ziekenhuis Brussel; and Nationaal Multiple Sclerose Centrum (M.D.); Melsbroek, Belgium.
| | - Maria Bjerke
- From the Department of Physical Medicine and Rehabilitation (C.V., K.P.), Universitair Ziekenhuis Leuven; Katholieke Universiteit Leuven; Center for Neurosciences (M.B., J.D., S.E., J.V., M.D.), Vrije Universiteit Brussel; Reference Center for Biological Markers of Dementia (M.B., S.E.), Institute Born-Bunge, Universiteit Antwerpen; Neurochemistry Laboratory (M.B.), Department of Clinical Biology, Universitair Ziekenhuis Brussel; Department of Neurosurgery (J.D.), Universitair Ziekenhuis Brussel; Department of Neurology (S.E., J.V., M.D.), Universitair Ziekenhuis Brussel; and Nationaal Multiple Sclerose Centrum (M.D.); Melsbroek, Belgium
| | - Johnny Duerinck
- From the Department of Physical Medicine and Rehabilitation (C.V., K.P.), Universitair Ziekenhuis Leuven; Katholieke Universiteit Leuven; Center for Neurosciences (M.B., J.D., S.E., J.V., M.D.), Vrije Universiteit Brussel; Reference Center for Biological Markers of Dementia (M.B., S.E.), Institute Born-Bunge, Universiteit Antwerpen; Neurochemistry Laboratory (M.B.), Department of Clinical Biology, Universitair Ziekenhuis Brussel; Department of Neurosurgery (J.D.), Universitair Ziekenhuis Brussel; Department of Neurology (S.E., J.V., M.D.), Universitair Ziekenhuis Brussel; and Nationaal Multiple Sclerose Centrum (M.D.); Melsbroek, Belgium
| | - Sebastiaan Engelborghs
- From the Department of Physical Medicine and Rehabilitation (C.V., K.P.), Universitair Ziekenhuis Leuven; Katholieke Universiteit Leuven; Center for Neurosciences (M.B., J.D., S.E., J.V., M.D.), Vrije Universiteit Brussel; Reference Center for Biological Markers of Dementia (M.B., S.E.), Institute Born-Bunge, Universiteit Antwerpen; Neurochemistry Laboratory (M.B.), Department of Clinical Biology, Universitair Ziekenhuis Brussel; Department of Neurosurgery (J.D.), Universitair Ziekenhuis Brussel; Department of Neurology (S.E., J.V., M.D.), Universitair Ziekenhuis Brussel; and Nationaal Multiple Sclerose Centrum (M.D.); Melsbroek, Belgium
| | - Koenraad Peers
- From the Department of Physical Medicine and Rehabilitation (C.V., K.P.), Universitair Ziekenhuis Leuven; Katholieke Universiteit Leuven; Center for Neurosciences (M.B., J.D., S.E., J.V., M.D.), Vrije Universiteit Brussel; Reference Center for Biological Markers of Dementia (M.B., S.E.), Institute Born-Bunge, Universiteit Antwerpen; Neurochemistry Laboratory (M.B.), Department of Clinical Biology, Universitair Ziekenhuis Brussel; Department of Neurosurgery (J.D.), Universitair Ziekenhuis Brussel; Department of Neurology (S.E., J.V., M.D.), Universitair Ziekenhuis Brussel; and Nationaal Multiple Sclerose Centrum (M.D.); Melsbroek, Belgium
| | - Jan Versijpt
- From the Department of Physical Medicine and Rehabilitation (C.V., K.P.), Universitair Ziekenhuis Leuven; Katholieke Universiteit Leuven; Center for Neurosciences (M.B., J.D., S.E., J.V., M.D.), Vrije Universiteit Brussel; Reference Center for Biological Markers of Dementia (M.B., S.E.), Institute Born-Bunge, Universiteit Antwerpen; Neurochemistry Laboratory (M.B.), Department of Clinical Biology, Universitair Ziekenhuis Brussel; Department of Neurosurgery (J.D.), Universitair Ziekenhuis Brussel; Department of Neurology (S.E., J.V., M.D.), Universitair Ziekenhuis Brussel; and Nationaal Multiple Sclerose Centrum (M.D.); Melsbroek, Belgium
| | - Miguel D'haeseleer
- From the Department of Physical Medicine and Rehabilitation (C.V., K.P.), Universitair Ziekenhuis Leuven; Katholieke Universiteit Leuven; Center for Neurosciences (M.B., J.D., S.E., J.V., M.D.), Vrije Universiteit Brussel; Reference Center for Biological Markers of Dementia (M.B., S.E.), Institute Born-Bunge, Universiteit Antwerpen; Neurochemistry Laboratory (M.B.), Department of Clinical Biology, Universitair Ziekenhuis Brussel; Department of Neurosurgery (J.D.), Universitair Ziekenhuis Brussel; Department of Neurology (S.E., J.V., M.D.), Universitair Ziekenhuis Brussel; and Nationaal Multiple Sclerose Centrum (M.D.); Melsbroek, Belgium
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Baranowska-Jurkun A, Matuszewski W, Bandurska-Stankiewicz E. Chronic Microvascular Complications in Prediabetic States-An Overview. J Clin Med 2020; 9:E3289. [PMID: 33066307 PMCID: PMC7602111 DOI: 10.3390/jcm9103289] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Revised: 09/01/2020] [Accepted: 09/08/2020] [Indexed: 12/12/2022] Open
Abstract
A prediabetic state is a major risk factor for the development of diabetes, and, because of an identical pathophysiological background of both conditions, their prevalence increases parallelly and equally fast. Long-term hyperglycemia is the main cause inducing chronic complications of diabetes, yet the range of glucose levels at which they start has not been yet unequivocally determined. The current data show that chronic microvascular complications of diabetes can be observed in patients with abnormal glucose metabolism in whom glycaemia is higher than optimal but below diagnostic criteria for diabetes. Prediabetes is a heterogenous nosological unit in which particular types are differently characterized and show different correlations with particular kinds of complications. Analysis of the latest research results shows the need to continue studies in a larger population and can imply the need to verify the currently employed criteria of diagnosing diabetes and chronic complications of diabetes in people with prediabetes.
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Affiliation(s)
- Angelika Baranowska-Jurkun
- Clinic of Endocrinology, Diabetology and Internal Medicine, Department of Internal Medicine, School of Medicine, Collegium Medicum, University of Warmia and Mazury, Żołnierska 18, 10-561 Olsztyn, Poland; (W.M.); (E.B.-S.)
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Wang M, Pu D, Zhao Y, Chen J, Zhu S, Lu A, Liao Z, Sun Y, Xiao Q. Sulforaphane protects against skeletal muscle dysfunction in spontaneous type 2 diabetic db/db mice. Life Sci 2020; 255:117823. [PMID: 32445760 DOI: 10.1016/j.lfs.2020.117823] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2020] [Revised: 05/08/2020] [Accepted: 05/18/2020] [Indexed: 12/12/2022]
Abstract
AIMS Skeletal muscle diseases have become to be the most common complication in patients with type 2 diabetic mellitus (T2DM). However, the effective therapies against skeletal muscle diseases are not yet available. Sulforaphane (SFN) is an organic isothiocyanate found in cruciferous plants. Our aim was to explore whether SFN could attenuate the skeletal muscle diseases in spontaneous type 2 diabetic db/db mice. MATERIALS AND METHODS The db/m and littermate db/db mice were treated with SFN or dimethyl sulfoxide. The grip strength of mice was measured by a grasping forcing machine. The electron transmission microscopy was used to perform the skeletal muscle. The western blot was used to detect the nuclear factor E2-related factor 2/heme oxygenase 1 (Nrf2/HO-1) signal pathway related proteins, and inflammatory and apoptotic associated proteins. The mRNA levels of anti-inflammatory and anti-oxidative relative genes were detected by RT-QPCR. KEY FINDINGS We found that SFN could significantly increase the grip strength of the db/db mice. The lean mass and gastrocnemius mass were increased in the db/db mice after administration with SFN. Additionally, the db/db mice restored the skeletal muscle fiber organization after SFN treatment. Mechanistically, SFN could activate the Nrf2/HO-1 signal pathway, and downregulate the expression of inflammatory and apoptotic associated proteins. Furthermore, SFN could also regulate the mRNA levels of anti-inflammatory and anti-oxidative related genes. SIGNIFICANCE Our results demonstrated that SFN can protect against skeletal muscle diseases in db/db type 2 diabetic mice and provide a potential drug to prevent skeletal muscle dysfunction in T2DM patients.
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Affiliation(s)
- Meili Wang
- Department of Geriatrics, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Die Pu
- Department of Geriatrics, The Second Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Yuxing Zhao
- Department of Geriatrics, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Jinliang Chen
- Department of Geriatrics, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Shiyu Zhu
- Department of Geriatrics, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Ankang Lu
- Department of Geriatrics, The Second Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Zhilin Liao
- Department of Geriatrics, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Yue Sun
- Department of Geriatrics, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Qian Xiao
- Department of Geriatrics, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China.
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