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- Golparian, Daniel, 1984-, et al.
(author)
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Multidrug-resistant Neisseria gonorrhoeae isolate SE690 : mosaic penA-60.001 gene causing ceftriaxone resistance internationally has spread to the more antimicrobial- susceptible genomic lineage, Sweden, September 2022
- 2023
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In: Eurosurveillance. - : European Centre for Disease Prevention and Control. - 1025-496X .- 1560-7917. ; 28:10
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Journal article (peer-reviewed)abstract
- We report a ceftriaxone-resistant, multidrug-resist-ant urogenital Neisseria gonorrhoeae in a female sex worker in Sweden, September 2022, who was treated with ceftriaxone i g, but did not return for test-of-cure. Whole genome sequencing of isolate SE690 identified MLST ST8i30, NG-STAR CCi885 (new NG-STAR ST4859) and mosaic penA-6o.oo1. The latter, causing ceftriax-one resistance in the internationally spreading FC428 clone, has now also spread to the more antimicrobial -susceptible genomic lineage B, showing that strains across the gonococcal phylogeny can develop ceftri-axone resistance.
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- Meeter, Lieke H.H., et al.
(author)
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Clinical value of cerebrospinal fluid neurofilament light chain in semantic dementia
- 2019
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In: Journal of Neurology, Neurosurgery and Psychiatry. - : BMJ. - 0022-3050 .- 1468-330X. ; 90:9, s. 997-1004
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Journal article (peer-reviewed)abstract
- Background: Semantic dementia (SD) is a neurodegenerative disorder characterised by progressive language problems falling within the clinicopathological spectrum of frontotemporal lobar degeneration (FTLD). The development of disease-modifying agents may be facilitated by the relative clinical and pathological homogeneity of SD, but we need robust monitoring biomarkers to measure their efficacy. In different FTLD subtypes, neurofilament light chain (NfL) is a promising marker, therefore we investigated the utility of cerebrospinal fluid (CSF) NfL in SD. Methods: This large retrospective multicentre study compared cross-sectional CSF NfL levels of 162 patients with SD with 65 controls. CSF NfL levels of patients were correlated with clinical parameters (including survival), neuropsychological test scores and regional grey matter atrophy (including longitudinal data in a subset). Results: CSF NfL levels were significantly higher in patients with SD (median: 2326 pg/mL, IQR: 1628-3593) than in controls (577 (446-766), p<0.001). Higher CSF NfL levels were moderately associated with naming impairment as measured by the Boston Naming Test (rs=-0.32, p=0.002) and with smaller grey matter volume of the parahippocampal gyri (rs=-0.31, p=0.004). However, cross-sectional CSF NfL levels were not associated with progression of grey matter atrophy and did not predict survival. Conclusion: CSF NfL is a promising biomarker in the diagnostic process of SD, although it has limited cross-sectional monitoring or prognostic abilities.
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