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Frau J, Mulasso A, Coghe G, Melis M, Beratto L, Cuomo S, Lorefice L, Fenu G, Cocco E. Multidimensional frailty and its association with quality of life and disability: A cross-sectional study in people with multiple sclerosis. Mult Scler Relat Disord 2023; 79:105036. [PMID: 37806230 DOI: 10.1016/j.msard.2023.105036] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 09/13/2023] [Accepted: 09/24/2023] [Indexed: 10/10/2023]
Abstract
BACKGROUND People with multiple sclerosis (pwMS) have a high risk of frailty. We aim to evaluate frailty using the Tilburg frailty indicator (TFI), a multidimensional self-reported questionnaire, and to explore its relationship with autonomy, quality of life (QoL), and disability. METHODS All the patients with MS enrolled completed TFI (frail when TFI score ≥ 5 points), the Groningen Activities Restriction Scale to evaluate autonomy, and the Multiple Sclerosis Impact Scale-29 to evaluate QoL. We collected the Expanded Disability Status Scale (EDSS) score, age and gender. Data were analysed using descriptive analyses, hierarchical multiple regression, and ANCOVA. RESULTS A total of 208 pwMS (mean age 44 years, SD=11; 75% women; 89.4% relapsing-remitting) were enrolled. The mean TFI total score was 5.7 points (SD=3.0; range 0-14), with the 62.5% of participants exhibiting frailty. After controlling for age and gender, the EDSS score was associated with the total (β=0.469; R2=0.255; p<0.001) and the physical (β=0.571; R2=0.349; p<0.001) frailty score, with an explained variance of 25.5% and 34.9%, respectively. No relationships between the EDSS and psychological and social frailty domains were detected. The proportion of frail patients with EDSS ≥ 6.0, EDSS within 3.5-5.5, and EDSS ≤ 3.0 was 91.7%, 83.3%, and 66.0%, respectively. Frail patients exhibited higher autonomy impairment (p = 0.017) and worse QoL (p<0.001). DISCUSSION We found a high frequency of frail patients with MS. Frailty is more common in patients with higher disability, but it affects also those with low EDSS. In people with MS frailty could be influenced by factors other than disability.
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Affiliation(s)
- J Frau
- Multiple Sclerosis Centre, ASL Cagliari, Italy.
| | - A Mulasso
- NeuroMuscularFunction/Research Group, Department of Medical Sciences, University of Torino, Italy
| | - G Coghe
- Multiple Sclerosis Centre, ASL Cagliari, Italy
| | - M Melis
- Multiple Sclerosis Centre, ASL Cagliari, Italy
| | - L Beratto
- NeuroMuscularFunction/Research Group, Department of Medical Sciences, University of Torino, Italy
| | - S Cuomo
- NeuroMuscularFunction/Research Group, Department of Medical Sciences, University of Torino, Italy
| | - L Lorefice
- Multiple Sclerosis Centre, ASL Cagliari, Italy
| | - G Fenu
- Neurologia, ARNAS Brotzu Cagliari, Italy
| | - E Cocco
- Multiple Sclerosis Centre, ASL Cagliari, Italy; Department of Medical Science and Public Health, University of Cagliari, Italy
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Caria P, Pilotto S, D'Alterio MN, Fronza M, Murgia F, Frau J, Fenu G, Dettori T, Frau DV, Atzori L, Angioni S, Cocco E, Lorefice L. Leukocyte telomere length in women with multiple sclerosis: Comparison with healthy women during pregnancy and puerperium. J Neuroimmunol 2023; 381:578137. [PMID: 37356355 DOI: 10.1016/j.jneuroim.2023.578137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 05/26/2023] [Accepted: 06/19/2023] [Indexed: 06/27/2023]
Abstract
OBJECTIVES Several studies indicated leukocyte telomere length (LTL) as a biomarker of multiple sclerosis (MS) evolution. This study aimed to investigate LTL in women with multiple sclerosis (MS) compared to that in healthy women (HW) across different reproductive phases, and to evaluate its relationship with MS activity. METHODS Blood samples were collected from women with MS and HW during the fertile phase, pregnancy, and puerperium. LTL was determined using quantitative fluorescence in situ hybridization (Q-FISH). RESULTS Blood samples from 68 women with MS (22 during fertile life, 23 during pregnancy, and 23 post-partum) and 52 HW (23 during fertile life, 20 during pregnancy, and 9 post-partum) were analyzed. During pregnancy, LTL in MS women and HW was 84.7 ± 10.5 and 77.6 ± 11.5, respectively (p < 0.005). Regression analysis showed that shorter LTL was associated with pregnancy in HW (p = 0.021); this relationship was not observed in MS women, for whom shorter LTL was related to a higher EDSS (p = 0.036). A longitudinal analysis was performed in eight MS women, showing LTL shortening from pregnancy to puerperium (p = 0.003), which was related to MS reactivation (p = 0.042). CONCLUSION Our results highlight the possible associations between LTL, reproductive biological phases, and MS activity after delivery.
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Affiliation(s)
- P Caria
- Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy
| | - S Pilotto
- Multiple Sclerosis Center, Binaghi Hospital, ASL Cagliari, Department of Medical Sciences and Public Health, University of Cagliari, Italy
| | - M N D'Alterio
- Division of Gynecology and Obstetrics, Department of Surgical Sciences, University of Cagliari, Cagliari, Italy
| | - M Fronza
- Multiple Sclerosis Center, Binaghi Hospital, ASL Cagliari, Department of Medical Sciences and Public Health, University of Cagliari, Italy
| | - F Murgia
- Clinical Metabolomics Unit, Department of Biomedical Sciences, University of Cagliari, Italy
| | - J Frau
- Multiple Sclerosis Center, Binaghi Hospital, ASL Cagliari, Department of Medical Sciences and Public Health, University of Cagliari, Italy
| | - G Fenu
- Department of Neurosciences, ARNAS Brotzu, Cagliari, Italy
| | - T Dettori
- Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy
| | - D V Frau
- Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy
| | - L Atzori
- Clinical Metabolomics Unit, Department of Biomedical Sciences, University of Cagliari, Italy
| | - S Angioni
- Division of Gynecology and Obstetrics, Department of Surgical Sciences, University of Cagliari, Cagliari, Italy
| | - E Cocco
- Multiple Sclerosis Center, Binaghi Hospital, ASL Cagliari, Department of Medical Sciences and Public Health, University of Cagliari, Italy
| | - L Lorefice
- Multiple Sclerosis Center, Binaghi Hospital, ASL Cagliari, Department of Medical Sciences and Public Health, University of Cagliari, Italy.
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Dedoni S, Scherma M, Camoglio C, Siddi C, Dazzi L, Puliga R, Frau J, Cocco E, Fadda P. An overall view of the most common experimental models for multiple sclerosis. Neurobiol Dis 2023:106230. [PMID: 37453561 DOI: 10.1016/j.nbd.2023.106230] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Revised: 07/01/2023] [Accepted: 07/12/2023] [Indexed: 07/18/2023] Open
Abstract
Multiple sclerosis (MS) is a complex chronic disease with an unknown etiology. It is considered an inflammatory demyelinating and neurodegenerative disorder of the central nervous system (CNS) characterized, in most cases, by an unpredictable onset of relapse and remission phases. The disease generally starts in subjects under 40; it has a higher incidence in women and is described as a multifactorial disorder due to the interaction between genetic and environmental risk factors. Unfortunately, there is currently no definitive cure for MS. Still, therapies can modify the disease's natural history, reducing the relapse rate and slowing the progression of the disease or managing symptoms. The limited access to human CNS tissue slows down. It limits the progression of research on MS. This limit has been partially overcome over the years by developing various experimental models to study this disease. Animal models of autoimmune demyelination, such as experimental autoimmune encephalomyelitis (EAE) and viral and toxin or transgenic MS models, represent the most significant part of MS research approaches. These models have now been complemented by ex vivo studies, using organotypic brain slice cultures and in vitro, through induced Pluripotent Stem cells (iPSCs). We will discuss which clinical features of the disorders might be reproduced and investigated in vivo, ex vivo, and in vitro in models commonly used in MS research to understand the processes behind the neuropathological events occurring in the CNS of MS patients. The primary purpose of this review is to give the reader a global view of the main paradigms used in MS research, spacing from the classical animal models to transgenic mice and 2D and 3D cultures.
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Affiliation(s)
- S Dedoni
- Department of Biomedical Sciences, Division of Neuroscience and Clinical Pharmacology, University of Cagliari, Italy.
| | - M Scherma
- Department of Biomedical Sciences, Division of Neuroscience and Clinical Pharmacology, University of Cagliari, Italy.
| | - C Camoglio
- Department of Biomedical Sciences, Division of Neuroscience and Clinical Pharmacology, University of Cagliari, Italy.
| | - C Siddi
- Department of Biomedical Sciences, Division of Neuroscience and Clinical Pharmacology, University of Cagliari, Italy
| | - L Dazzi
- Department of Life and Environmental Sciences, Section of Neuroscience and Anthropology, University of Cagliari, Monserrato (Cagliari), Italy.
| | - R Puliga
- Department of Life and Environmental Sciences, Section of Neuroscience and Anthropology, University of Cagliari, Monserrato (Cagliari), Italy.
| | - J Frau
- Regional Multiple Sclerosis Center, ASSL Cagliari, ATS Sardegna, Italy
| | - E Cocco
- Regional Multiple Sclerosis Center, ASSL Cagliari, ATS Sardegna, Italy; Department Medical Science and Public Health, University of Cagliari, Italy.
| | - P Fadda
- Department of Biomedical Sciences, Division of Neuroscience and Clinical Pharmacology, University of Cagliari, Italy; Neuroscience Institute, Section of Cagliari, National Research Council of Italy (CNR), Cagliari, Italy.
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Lorefice L, Pilotto S, Fenu G, Cimino P, Firinu D, Frau J, Murgia F, Coghe G, Cocco E. Evolution of teriflunomide use in multiple sclerosis: A real-world experience. J Neurol Sci 2022; 438:120292. [PMID: 35605316 DOI: 10.1016/j.jns.2022.120292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 05/11/2022] [Accepted: 05/13/2022] [Indexed: 11/29/2022]
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Lorefice L, Fenu G, Mammoliti R, Carta E, Sechi V, Frau J, Coghe G, Canalis L, Barracciu MA, Marrosu G, Marrosu MG, Cocco E. Event-related potentials and deep grey matter atrophy in multiple sclerosis: Exploring the possible associations with cognition. Mult Scler Relat Disord 2021; 49:102785. [PMID: 33508572 DOI: 10.1016/j.msard.2021.102785] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 01/08/2021] [Accepted: 01/18/2021] [Indexed: 11/26/2022]
Abstract
BACKGROUND Event-related potentials (ERPs) have been proposed as a neurophysiological biomarker to capture cognitive dysfunction in multiple sclerosis (MS). Few studies have evaluated the relationships between ERPs and brain atrophy as known marker of structural brain damage related to cognitive impairment (CI). OBJECTIVES To explore the relationships of brain atrophy, including of the cortex and deep grey matter, with ERP abnormalities and cognitive function, as defined using the Brief Repeatable Battery of Neuropsychological Tests (BRBN). RESULTS Seventy-eight patients with relapsing-remitting MS were enroled, of which 38 (48.7%) had CI. Independent t-test comparisons of the ERP parameters found a significant difference in P300 wave latency, with a latency of 343.7 ± 32.6 ms in the CI group vs. 320.3 ± 16.5 ms in the cognitively preserved (CP) group (p = 0.001). Significant differences in the MRI measurements, including the cortex (p = 0.02) and deep grey matter structures [thalamus (p = 0.001), amygdala (p = 0.030), and nucleus accumbens (p = 0.004)) were observed, with lower measurements in the CI group. Regression models were also performed to explore the impact of brain volumes on ERP parameters. This showed a relationship between P300 latency and the lower amygdala (p = 0.02) and hippocampus (p = 0.03) volumes, while the amplitude of the P300 was significantly associated with a lower cortex volume (p = 0.01). CONCLUSION Cortex volume emerged as the most significant predictor of the P300 amplitude. The amygdala and hippocampal volumes were found to influence P300 latency, highlighting the role of deep grey matter atrophy in ERPs for the first time. The combination of structural MRI and neurophysiological techniques, sensitive to diverse aspects of MS pathology, could improve the understanding of CI in MS and its neurodegenerative and inflammatory substrate.
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Affiliation(s)
- L Lorefice
- Multiple Sclerosis Centre, Binaghi Hospital, ATS Sardegna, Cagliari, Italy; Multiple Sclerosis Centre, Binaghi Hospital, Department of Medical Sciences and Public Health, University of Cagliari, Italy.
| | - G Fenu
- Multiple Sclerosis Centre, Binaghi Hospital, Department of Medical Sciences and Public Health, University of Cagliari, Italy
| | - R Mammoliti
- Multiple Sclerosis Centre, Binaghi Hospital, ATS Sardegna, Cagliari, Italy
| | - E Carta
- Multiple Sclerosis Centre, Binaghi Hospital, Department of Medical Sciences and Public Health, University of Cagliari, Italy
| | - V Sechi
- Radiology Unit, Binaghi Hospital, ATS Sardegna, Cagliari, Italy
| | - J Frau
- Multiple Sclerosis Centre, Binaghi Hospital, ATS Sardegna, Cagliari, Italy
| | - G Coghe
- Multiple Sclerosis Centre, Binaghi Hospital, ATS Sardegna, Cagliari, Italy
| | - L Canalis
- Radiology Unit, Binaghi Hospital, ATS Sardegna, Cagliari, Italy
| | - M A Barracciu
- Radiology Unit, Binaghi Hospital, ATS Sardegna, Cagliari, Italy
| | - G Marrosu
- Multiple Sclerosis Centre, Binaghi Hospital, ATS Sardegna, Cagliari, Italy
| | - M G Marrosu
- Multiple Sclerosis Centre, Binaghi Hospital, Department of Medical Sciences and Public Health, University of Cagliari, Italy
| | - E Cocco
- Multiple Sclerosis Centre, Binaghi Hospital, Department of Medical Sciences and Public Health, University of Cagliari, Italy
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Lorefice L, Fenu G, Carta E, Frau J, Coghe G, Contu F, Barracciu MA, Carta MG, Cocco E. Bipolar disorders and deep grey matter in multiple sclerosis: A preliminary quantitative MRI study. Mult Scler Relat Disord 2020; 46:102564. [PMID: 33172832 DOI: 10.1016/j.msard.2020.102564] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 10/01/2020] [Accepted: 10/03/2020] [Indexed: 10/23/2022]
Abstract
BACKGROUND Bipolar disorder (BD) is frequently observed in patients affected by multiple sclerosis (MS), presenting a lifetime estimate of around 8%. However, uncertainty exists on the brain damage associated with this psychiatric comorbidity. This study aimed to investigate the effect of brain atrophy, particularly that of the subcortical grey matter (scGM) structures that notoriously regulate the affective functioning, on the co-occurrence of BD in patients with MS. METHODS A group of patients with MS affected by BD and a control group of patients with MS without any mood/psychiatric disorder, as defined using standardised diagnostic tools (Advanced Neuropsychiatric Tools and Assessment Schedule), were recruited. The patients underwent brain MRI, and the volumes of the whole brain (WB), white matter (WM), and grey matter (GM) were estimated using SIENAX. Thus, the scGM volumes of the putamen, caudate, thalamus, hippocampus, amygdala, nucleus accumbens, and pallidus were estimated using the FIRST tool. RESULTS The sample included 61 patients with MS, amongst whom 15 (24.6%) had BD. No differences in the WB, WM, and cortical GM volumes were observed between the patients with MS with and without BD. Conversely, the multiple regression analysis revealed a significant association of BD with lower volumes of the putamen (p = 0.032), nucleus accumbens (p = 0.029), and pallidus (p = 0.061; with a trend towards significance), independently from the demographic and MS clinical features. CONCLUSIONS Our preliminary results indicated that the nucleus accumbens and putamen are smaller in MS patients with BD. Further investigations in larger cohorts of MS patients with affective disorders are necessary to confirm these data and understand the structural brain damage underlying this psychiatric comorbidity.
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Affiliation(s)
- L Lorefice
- Multiple Sclerosis Centre, Binaghi Hospital, ATS Sardegna, ASSL Cagliari, Italy.
| | - G Fenu
- Multiple Sclerosis Centre, Binaghi Hospital, ATS Sardegna, ASSL Cagliari, Italy
| | - E Carta
- Multiple Sclerosis Centre, Dpt of Medical Sciences and Public Health, University of Cagliari, Italy
| | - J Frau
- Multiple Sclerosis Centre, Binaghi Hospital, ATS Sardegna, ASSL Cagliari, Italy
| | - G Coghe
- Multiple Sclerosis Centre, Binaghi Hospital, ATS Sardegna, ASSL Cagliari, Italy
| | - F Contu
- Radiology Unit, Binaghi Hospital, ATS Sardegna, ASSL Cagliari, Italy
| | - M A Barracciu
- Radiology Unit, Binaghi Hospital, ATS Sardegna, ASSL Cagliari, Italy
| | - M G Carta
- Dpt of Medical Sciences and Public Health, University of Cagliari, Italy
| | - E Cocco
- Multiple Sclerosis Centre, Dpt of Medical Sciences and Public Health, University of Cagliari, Italy
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Lorefice L, Carta E, Frau J, Contu F, Casaglia E, Coghe G, Barracciu MA, Cocco E, Fenu G. The impact of deep grey matter volume on cognition in multiple sclerosis. Mult Scler Relat Disord 2020; 45:102351. [PMID: 32731200 DOI: 10.1016/j.msard.2020.102351] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 06/03/2020] [Accepted: 06/30/2020] [Indexed: 12/15/2022]
Abstract
BACKGROUND Cognitive dysfunctions are very frequent in people living with multiple sclerosis (MS). Several studies have previously indicated grey matter (GM) atrophy as useful predictor of patients' cognitive impairment. However, considerable uncertainty exists about the possible impact of deep grey matter volumes on cognition. This study aimed to evaluate the relationship of the subcortical (sc) GM volumes with the presence and severity of global and selective cognitive impairment in MS. METHODS A group of MS patients with relapsing remitting course were enrolled. Patients underwent a neuropsychological evaluation by using the Brief Repeatable Battery of Neuropsychological Tests (BRBN) and the Delis-Kaplan Executive Function System Sorting Test (D-KEFST); z scores were estimated and items with z score below 2 standard deviation were considered failed. Thus, brain MRIs images were acquired and measurements of whole brain (WB), white matter (WM), and cortical grey matter (GM) were obtained by SIENAX. After FIRST tool segmentation, volumes of subcortical GM structures were also estimated. RESULTS The sample included 50 MS patients, of which 16/50 (32%) subjects were cognitively impaired. Multiple regression analyses found a significant association of severity of cognitive impairment, defined as number of failed neuropsychological tests, with lower volumes of cortex (p=0.003), thalamus (p=0.009), caudate (p=0.011), putamen (p=0.020), pallidus (p=0.012) and hippocampus (p=0.045), independently from other MS features. In addition, an association between accumbens volume and D-KEFS ST FSC and D-KEFS ST FSD z scores was observed (p<0.03). CONCLUSIONS Our results indicated that volumes of several scGM structures, and in particular of thalamus, contribute to determine cognitive dysfunctions in MS, mainly influencing the executive functioning. Further investigations in larger MS cohorts with cognitive impairment are necessary to better understand the structural brain damage underlying this "invisible disability".
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Affiliation(s)
- L Lorefice
- Multiple Sclerosis Center, Binaghi Hospital, ATS Sardegna, via Is Guadazzonis 2, 09126, Cagliari, Italy.
| | - E Carta
- Multiple Sclerosis Center, Department of Medical Sciences and Public Health, University of Cagliari, Italy
| | - J Frau
- Multiple Sclerosis Center, Binaghi Hospital, ATS Sardegna, via Is Guadazzonis 2, 09126, Cagliari, Italy
| | - F Contu
- Radiology Unit, Binaghi Hospital, ATS Sardegna, Cagliari, Italy
| | - E Casaglia
- Multiple Sclerosis Center, Department of Medical Sciences and Public Health, University of Cagliari, Italy
| | - G Coghe
- Multiple Sclerosis Center, Binaghi Hospital, ATS Sardegna, via Is Guadazzonis 2, 09126, Cagliari, Italy
| | - M A Barracciu
- Radiology Unit, Binaghi Hospital, ATS Sardegna, Cagliari, Italy
| | - E Cocco
- Multiple Sclerosis Center, Binaghi Hospital, ATS Sardegna, via Is Guadazzonis 2, 09126, Cagliari, Italy; Multiple Sclerosis Center, Department of Medical Sciences and Public Health, University of Cagliari, Italy
| | - G Fenu
- Multiple Sclerosis Center, Binaghi Hospital, ATS Sardegna, via Is Guadazzonis 2, 09126, Cagliari, Italy
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Lavorgna L, Esposito S, Lanzillo R, Sparaco M, Ippolito D, Cocco E, Fenu G, Borriello G, De Mercanti S, Frau J, Capuano R, Trojsi F, Rosa L, Clerico M, Laroni A, Morra VB, Tedeschi G, Bonavita S. Factors interfering with parenthood decision-making in an Italian sample of people with multiple sclerosis: an exploratory online survey. J Neurol 2019; 266:707-716. [PMID: 30649617 DOI: 10.1007/s00415-019-09193-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2018] [Revised: 12/21/2018] [Accepted: 01/08/2019] [Indexed: 10/27/2022]
Abstract
BACKGROUND Little is known about the influence of multiple sclerosis (MS) diagnosis on parenthood attitude in people with MS (pwMS). OBJECTIVE To investigate the impact of diagnosis, clinical features and external disease-related influences on parenthood decision-making in Italian pwMS. METHODS A web-based survey was posted on SMsocialnetwork.com to investigate clinical status, parenthood desire, influences on family planning, pregnancy outcomes, abortions and adoptions of pwMS. RESULTS 33/395 respondents never wanted to become parent because of MS ("anti-parenthood after diagnosis"). 362 declared to be in favor of parenthood. 51% pwMS having a child by the survey time had already received the MS diagnosis at first childbirth. The frequency of a second child in pwMS after diagnosis was 38% compared to 67% in people without yet MS diagnosis. 16% of pwMS were discouraged to become parent after diagnosis, mainly by medical personnel. In 71% of respondents, diagnosis did not delay the decision to become parent and only 39% were counseled by treating physician to plan pregnancy. Patients' distribution according to the clinical phenotype (exclusively relapsing vs exclusively progressive) showed a higher proportion of progressive patients in the "anti-parenthood after diagnosis" subgroup. CONCLUSION MS diagnosis impacted dramatically on the life project of 7% of pwMS that decided not to have children because of the disease and in pro-parenthood pwMS impacted especially on having the second child. Only a minority was counseled to plan pregnancy. A worse disease course driving to a progressive phenotype at survey time might have negatively impacted on parenthood desire.
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Affiliation(s)
- L Lavorgna
- First Division of Neurology, University of Campania Luigi Vanvitelli, Piazza Miraglia, 2, 80138, Naples, Italy.
| | - S Esposito
- First Division of Neurology, University of Campania Luigi Vanvitelli, Piazza Miraglia, 2, 80138, Naples, Italy
- Department of Neuroscience, Psychology, Drug Research and Child Health, University of Florence, Florence, Italy
| | - R Lanzillo
- Department of Neurosciences, Reproductive Sciences and Odontostomatology, University Federico II, Naples, Italy
| | - M Sparaco
- First Division of Neurology, University of Campania Luigi Vanvitelli, Piazza Miraglia, 2, 80138, Naples, Italy
| | - D Ippolito
- First Division of Neurology, University of Campania Luigi Vanvitelli, Piazza Miraglia, 2, 80138, Naples, Italy
| | - E Cocco
- Department of Medical Sciences and Public Health, Multiple Sclerosis Centre, Binaghi Hospital, University of Cagliari, Cagliari, Italy
| | - G Fenu
- Department of Medical Sciences and Public Health, Multiple Sclerosis Centre, Binaghi Hospital, University of Cagliari, Cagliari, Italy
| | - G Borriello
- Department of Neurology and Psychiatry, S. Andrea MS Center, Sapienza University, Rome, Italy
| | - S De Mercanti
- Clinical and Biological Sciences Department, University of Torino, Turin, Italy
| | - J Frau
- Department of Medical Sciences and Public Health, Multiple Sclerosis Centre, Binaghi Hospital, University of Cagliari, Cagliari, Italy
| | - R Capuano
- First Division of Neurology, University of Campania Luigi Vanvitelli, Piazza Miraglia, 2, 80138, Naples, Italy
| | - F Trojsi
- First Division of Neurology, University of Campania Luigi Vanvitelli, Piazza Miraglia, 2, 80138, Naples, Italy
| | - L Rosa
- Department of Neurosciences, Reproductive Sciences and Odontostomatology, University Federico II, Naples, Italy
| | - M Clerico
- Clinical and Biological Sciences Department, University of Torino, Turin, Italy
| | - A Laroni
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, IRCCS AOU San Martino-IST, University of Genoa, Genoa, Italy
| | - V Brescia Morra
- Department of Neurosciences, Reproductive Sciences and Odontostomatology, University Federico II, Naples, Italy
| | - G Tedeschi
- First Division of Neurology, University of Campania Luigi Vanvitelli, Piazza Miraglia, 2, 80138, Naples, Italy
- Neurological Institute for Diagnosis and Care "Hermitage Capodimonte", MRI Center SUN-FISM, Naples, Italy
| | - S Bonavita
- First Division of Neurology, University of Campania Luigi Vanvitelli, Piazza Miraglia, 2, 80138, Naples, Italy
- Neurological Institute for Diagnosis and Care "Hermitage Capodimonte", MRI Center SUN-FISM, Naples, Italy
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Ramis R, Casasnovas R, Ortega-Castro J, Frau J, Álvarez-Idaboy JR, Mora-Diez N. Modelling the repair of carbon-centred protein radicals by the antioxidants glutathione and Trolox. NEW J CHEM 2019. [DOI: 10.1039/c8nj05544k] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
GSH can repair carbon-centred protein radicals with rate constants in the diffusion limit, but Trolox repairs are much slower.
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Affiliation(s)
- R. Ramis
- Institut Universitari d’Investigació en Ciències de la Salut (IUNICS)
- Departament de Química
- Universitat de les Illes Balears
- 07122 Palma de Mallorca
- Spain
| | - R. Casasnovas
- Institut Universitari d’Investigació en Ciències de la Salut (IUNICS)
- Departament de Química
- Universitat de les Illes Balears
- 07122 Palma de Mallorca
- Spain
| | - J. Ortega-Castro
- Institut Universitari d’Investigació en Ciències de la Salut (IUNICS)
- Departament de Química
- Universitat de les Illes Balears
- 07122 Palma de Mallorca
- Spain
| | - J. Frau
- Institut Universitari d’Investigació en Ciències de la Salut (IUNICS)
- Departament de Química
- Universitat de les Illes Balears
- 07122 Palma de Mallorca
- Spain
| | | | - N. Mora-Diez
- Thompson Rivers University
- Department of Chemistry
- Kamloops
- Canada
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10
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Fenu G, Fronza M, Lorefice L, Arru M, Coghe G, Frau J, Marrosu MG, Cocco E. Performance in daily activities, cognitive impairment and perception in multiple sclerosis patients and their caregivers. BMC Neurol 2018; 18:212. [PMID: 30567519 PMCID: PMC6299565 DOI: 10.1186/s12883-018-1224-z] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2018] [Accepted: 12/10/2018] [Indexed: 11/24/2022] Open
Abstract
Background The relationship between cognitive assessment results in multiple sclerosis (MS) and performance in daily activities (DAs) remains unclear. Our study aimed to evaluate the relationship between cognitive functions (CF) measured by tests, performance in DAs, and the perception of CF in patients and their caregivers (CG) in MS. Methods The Brief International Cognitive Assessment for Multiple Sclerosis (BICAMS) battery was used to evaluate cognitive status. We created an ad hoc questionnaire (DaQ) to assess performance in DAs not requiring specific motor skills. We used the Multiple Sclerosis Neuropsychological Questionnaire (MSNQ) to measure each patient self-judgment and caregiver’s perception of CF. Results Forty-nine patients and their caregivers were included in the study. Significant correlations were found between the BICAMS and the DaQ (Symbol Digit Modalities Test (SDMT): r = − 0.48, p < 0.001; California Verbal Learning Test (CVLT): r = − 0.33, p = 0.01; Brief Visual Memory Test (BVMT-R): r = − 0.42; p = 0.002); patients self-judgment (SDMT: r = − 0.38, p = 0.004; CVLT: r = − 0.26, p = 0.03); caregiver perception of patient’s CF (SDMT: r = − 0.52, p < 0.001; CVLT: r = − 0.3, p = 0.01; BVMT-R: r = − 0.42, p = 0.002). The difference in perception between the patients and their caregivers was related to patient age (p = 0.001) and severity of cognitive impairment (p = 0.03). Conclusions Cognitive assessment results show a significant correlation with performance in daily activities and with patients and, especially, caregiver perception of cognitive impairment. These data support the importance of a routine evaluation of cognitive function in MS that includes an anamnestic evaluation of patients, and, when possible, consideration of the caregiver’s point of view. Electronic supplementary material The online version of this article (10.1186/s12883-018-1224-z) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- G Fenu
- Multiple Sclerosis Center, Binaghi Hospital, ATS Sardegna, Department of Medical Sciences and Public Health, University of Cagliari, via Is Guadazzonis, 2, 09126, Cagliari, Italy.
| | - M Fronza
- Multiple Sclerosis Center, Binaghi Hospital, ATS Sardegna, Department of Medical Sciences and Public Health, University of Cagliari, via Is Guadazzonis, 2, 09126, Cagliari, Italy
| | - L Lorefice
- Multiple Sclerosis Center, Binaghi Hospital, ATS Sardegna, Department of Medical Sciences and Public Health, University of Cagliari, via Is Guadazzonis, 2, 09126, Cagliari, Italy
| | - M Arru
- Multiple Sclerosis Center, Binaghi Hospital, ATS Sardegna, Department of Medical Sciences and Public Health, University of Cagliari, via Is Guadazzonis, 2, 09126, Cagliari, Italy
| | - G Coghe
- Multiple Sclerosis Center, Binaghi Hospital, ATS Sardegna, Department of Medical Sciences and Public Health, University of Cagliari, via Is Guadazzonis, 2, 09126, Cagliari, Italy
| | - J Frau
- Multiple Sclerosis Center, Binaghi Hospital, ATS Sardegna, Department of Medical Sciences and Public Health, University of Cagliari, via Is Guadazzonis, 2, 09126, Cagliari, Italy
| | - M G Marrosu
- Multiple Sclerosis Center, Binaghi Hospital, ATS Sardegna, Department of Medical Sciences and Public Health, University of Cagliari, via Is Guadazzonis, 2, 09126, Cagliari, Italy
| | - E Cocco
- Multiple Sclerosis Center, Binaghi Hospital, ATS Sardegna, Department of Medical Sciences and Public Health, University of Cagliari, via Is Guadazzonis, 2, 09126, Cagliari, Italy
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11
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Frau J, Sormani MP, Signori A, Realmuto S, Baroncini D, Annovazzi P, Signoriello E, Maniscalco GT, La Gioia S, Cordioli C, Frigeni B, Rasia S, Fenu G, Grasso R, Sartori A, Lanzillo R, Stromillo ML, Rossi S, Forci B, Cocco E. Clinical activity after fingolimod cessation: disease reactivation or rebound? Eur J Neurol 2018; 25:1270-1275. [DOI: 10.1111/ene.13694] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Accepted: 05/23/2018] [Indexed: 11/30/2022]
Affiliation(s)
- J. Frau
- Department of Medical Sciences and Public Health University of Cagliari CagliariItaly
| | - M. P. Sormani
- Department of Health Sciences Section of Biostatistics University of Genova GenovaItaly
| | - A. Signori
- Department of Health Sciences Section of Biostatistics University of Genova GenovaItaly
| | - S. Realmuto
- Department of Experimental Biomedicine and Clinical Neurosciences University of Palermo PalermoItaly
| | - D. Baroncini
- Multiple Sclerosis Study Centre AO s. Antonio Abate GallarateItaly
| | - P. Annovazzi
- Multiple Sclerosis Study Centre AO s. Antonio Abate GallarateItaly
| | - E. Signoriello
- Department of Medical, Surgical, Neurological, Metabolic and Aging Sciences Second University of Naples NaplesItaly
| | - G. T. Maniscalco
- Neurological Clinic and Multiple Sclerosis Centre of ‘AORN A.Cardarelli’ NaplesItaly
| | - S. La Gioia
- USC Neurologia ASST Papa Giovanni XXIII BergamoItaly
| | - C. Cordioli
- Multiple Sclerosis Center Spedali Civili of Brescia Presidio di Montichiari BresciaItaly
| | - B. Frigeni
- USC Neurologia ASST Papa Giovanni XXIII BergamoItaly
| | - S. Rasia
- Multiple Sclerosis Center Spedali Civili of Brescia Presidio di Montichiari BresciaItaly
| | - G. Fenu
- Department of Medical Sciences and Public Health University of Cagliari CagliariItaly
| | - R. Grasso
- Neurologia Universitaria OORR FoggiaItaly
| | - A. Sartori
- Clinica Neurologica Azienda Ospedaliero‐Universitaria Ospedali Riuniti di Trieste TriesteItaly
| | - R. Lanzillo
- Department of Neurosciences, Reproductive Sciences and Odontostomatology Multiple Sclerosis Centre Federico II University NaplesItaly
| | - M. L. Stromillo
- Department of Medicine, Surgery and Neuroscience University of Siena SienaItaly
| | - S. Rossi
- Neuroimmunology and Neuromuscular Diseases Unit IRCCS Fondazione Istituto Neurologico Carlo Besta MilanoItaly
| | - B. Forci
- Dipartimento di Neuroscienze Azienda Ospedaliero‐Universitaria Careggi Area del farmaco e Salute del bambino (NEUROFARBA) Florence Italy
| | - E. Cocco
- Department of Medical Sciences and Public Health University of Cagliari CagliariItaly
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12
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Frau J, Coghe G, Casanova P, Sardu C, Lorefice L, Fenu G, Marrosu MG, Cocco E. Pregnancy planning and outcomes in patients with multiple sclerosis after mitoxantrone therapy: a monocentre assessment. Eur J Neurol 2018; 25:1063-1068. [DOI: 10.1111/ene.13650] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Accepted: 03/22/2018] [Indexed: 01/21/2023]
Affiliation(s)
- J. Frau
- Multiple Sclerosis Center Department of Medical Sciences and Public Health University of Cagliari Cagliari
| | - G. Coghe
- Multiple Sclerosis Center Department of Medical Sciences and Public Health University of Cagliari Cagliari
| | - P. Casanova
- Multiple Sclerosis Center Department of Medical Sciences and Public Health University of Cagliari Cagliari
| | - C. Sardu
- Department of Medical Sciences and Public Health University of Cagliari Monserrato Italy
| | - L. Lorefice
- Multiple Sclerosis Center Department of Medical Sciences and Public Health University of Cagliari Cagliari
| | - G. Fenu
- Multiple Sclerosis Center Department of Medical Sciences and Public Health University of Cagliari Cagliari
| | - M. G. Marrosu
- Multiple Sclerosis Center Department of Medical Sciences and Public Health University of Cagliari Cagliari
| | - E. Cocco
- Multiple Sclerosis Center Department of Medical Sciences and Public Health University of Cagliari Cagliari
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13
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Fenu G, Lorefice L, Loi L, Sechi V, Contu F, Coghe G, Frau J, Spinicci G, Barracciu M, Marrosu M, Cocco E. Adult brain volume in multiple sclerosis: The impact of paediatric onset. Mult Scler Relat Disord 2018; 21:103-107. [DOI: 10.1016/j.msard.2018.03.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2018] [Revised: 02/22/2018] [Accepted: 03/01/2018] [Indexed: 11/17/2022]
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14
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Fenu G, Lorefice L, Arru M, Sechi V, Loi L, Contu F, Cabras F, Coghe G, Frau J, Fronza M, Sbrescia G, Lai V, Boi M, Mallus S, Murru S, Porcu A, Barracciu MA, Marrosu MG, Cocco E. Cognition in multiple sclerosis: Between cognitive reserve and brain volume. J Neurol Sci 2018; 386:19-22. [PMID: 29406960 DOI: 10.1016/j.jns.2018.01.011] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2017] [Revised: 12/13/2017] [Accepted: 01/09/2018] [Indexed: 11/26/2022]
Abstract
BACKGROUND Several correlations between cognitive impairment (CI), radiologic markers and cognitive reserve (CR) have been documented in MS. OBIECTIVE To evaluate correlation between CI and brain volume (BV) considering CR as possibile mitigating factor. METHODS 195 relapsing MS patients underwent a neuropsychological assessment using BICAMS. BV was estimated using SIENAX to obtain normalized volume of brain (NBV), white matter (NWV), gray matter (NGV) and cortical gray matter (CGV). CR was estimated using a previously validated tool. RESULTS Pearson test showed a correlation between the symbol digit modality test (SDMT) score and NBV (r=0.38; p<0.000) NGV(r=0.31; p<0.000), CGV (r=0.35; p<0.000) and CRI score(r=0.42; p<0.000). Linear regression (dependent variable:SDMT) showed a relationship with CR scores (p=0.000) and NGV(p<0.000). A difference was detected between cognitive impaired and preserved patients regarding mean of NBV(p=0.002), NGV(p=0.007), CGV(p=0.002) and CR Scores (p=0.007). Anova showed a association between the presence of CI (dependent variable) and the interaction term CRIQ × CGV (p=0.004) whit adjustment for age and disability evaluated by EDSS. CONCLUSIONS Our study shows a correlation between cognition and BV, in particular gray matter volume. Cognitive reserve is also confirmed as an important element playing a role in the complex interaction to determine the cognitive functions in MS.
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Affiliation(s)
- G Fenu
- Multiple Sclerosis Center, Binaghi Hospital, ATS Sardegna, Department of Medical Sciences and Public Health, University of Cagliari, Italy.
| | - L Lorefice
- Multiple Sclerosis Center, Binaghi Hospital, ATS Sardegna, Department of Medical Sciences and Public Health, University of Cagliari, Italy
| | - M Arru
- Multiple Sclerosis Center, Binaghi Hospital, ATS Sardegna, Department of Medical Sciences and Public Health, University of Cagliari, Italy
| | - V Sechi
- Radiology Unit, Binaghi Hospital, ATS Sardegna, Cagliari, Italy
| | - L Loi
- Radiology Unit, Binaghi Hospital, ATS Sardegna, Cagliari, Italy
| | - F Contu
- Radiology Unit, Binaghi Hospital, ATS Sardegna, Cagliari, Italy
| | - F Cabras
- Radiology Unit, Binaghi Hospital, ATS Sardegna, Cagliari, Italy
| | - G Coghe
- Multiple Sclerosis Center, Binaghi Hospital, ATS Sardegna, Department of Medical Sciences and Public Health, University of Cagliari, Italy
| | - J Frau
- Multiple Sclerosis Center, Binaghi Hospital, ATS Sardegna, Department of Medical Sciences and Public Health, University of Cagliari, Italy
| | - M Fronza
- Multiple Sclerosis Center, Binaghi Hospital, ATS Sardegna, Department of Medical Sciences and Public Health, University of Cagliari, Italy
| | - G Sbrescia
- Radiology Unit, Binaghi Hospital, ATS Sardegna, Cagliari, Italy
| | - V Lai
- Radiology Unit, Binaghi Hospital, ATS Sardegna, Cagliari, Italy
| | - M Boi
- Radiology Unit, Binaghi Hospital, ATS Sardegna, Cagliari, Italy
| | - S Mallus
- Radiology Unit, Binaghi Hospital, ATS Sardegna, Cagliari, Italy
| | - S Murru
- Radiology Unit, Binaghi Hospital, ATS Sardegna, Cagliari, Italy
| | - A Porcu
- Radiology Unit, Binaghi Hospital, ATS Sardegna, Cagliari, Italy
| | - M A Barracciu
- Radiology Unit, Binaghi Hospital, ATS Sardegna, Cagliari, Italy
| | - M G Marrosu
- Multiple Sclerosis Center, Binaghi Hospital, ATS Sardegna, Department of Medical Sciences and Public Health, University of Cagliari, Italy
| | - E Cocco
- Multiple Sclerosis Center, Binaghi Hospital, ATS Sardegna, Department of Medical Sciences and Public Health, University of Cagliari, Italy
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15
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Fenu G, Lorefice L, Sechi V, Loi L, Contu F, Cabras F, Coghe G, Frau J, Secci M, Melis C, Schirru L, Costa G, Melas V, Arru M, Barracciu M, Marrosu M, Cocco E. Brain volume in early MS patients with and without IgG oligoclonal bands in CSF. Mult Scler Relat Disord 2018; 19:55-58. [DOI: 10.1016/j.msard.2017.11.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2017] [Revised: 11/03/2017] [Accepted: 11/05/2017] [Indexed: 10/18/2022]
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16
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Lorefice L, Coghe G, Fenu G, Porta M, Pilloni G, Frau J, Corona F, Sechi V, Barracciu MA, Marrosu MG, Pau M, Cocco E. 'Timed up and go' and brain atrophy: a preliminary MRI study to assess functional mobility performance in multiple sclerosis. J Neurol 2017; 264:2201-2204. [PMID: 28894919 DOI: 10.1007/s00415-017-8612-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Accepted: 09/04/2017] [Indexed: 12/12/2022]
Abstract
Motor and cognitive disabilities are related to brain atrophy in multiple sclerosis (MS). 'Timed up and go' (TUG) has been recently tested in MS as functional mobility test, as it is able to evaluate ambulation/coordination-related tasks, as well as cognitive function related to mobility. The objective of this study is to evaluate the relationship between brain volumes and TUG performances. Inclusion criteria were a diagnosis of MS and the ability to walk at least 20 m. TUG was performed using a wearable inertial sensor. Times and velocities of TUG sub-phases were calculated by processing trunk acceleration data. Patients underwent to a brain MRI, and volumes of whole brain, white matter (WM), grey matter (GM), and cortical GM (C) were estimated with SIENAX. Sixty patients were enrolled. Mean age was 41.5 ± 11.6 years and mean EDSS 2.3 ± 1.2. Total TUG duration was correlated to lower WM (ρ = 0.358, p = 0.005) and GM (ρ = 0.309, p = 0.017) volumes. A stronger association with lower GM volume was observed for intermediate (ρ = 0.427, p = 0.001) and final turning (ρ = 0.390, p = 0.002). TUG is a useful tool in a clinical setting as it can not only evaluate patients' disability in terms of impaired functional mobility, but also estimate pathological features, such as grey atrophy.
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Affiliation(s)
- Lorena Lorefice
- Multiple Sclerosis Center, Department of Medical Sciences and Public Health, Binaghi Hospital, University of Cagliari, Via Is Guadazzonis 2, 09126, Cagliari, Italy.
| | - G Coghe
- Multiple Sclerosis Center, Department of Medical Sciences and Public Health, Binaghi Hospital, University of Cagliari, Via Is Guadazzonis 2, 09126, Cagliari, Italy
| | - G Fenu
- Multiple Sclerosis Center, Department of Medical Sciences and Public Health, Binaghi Hospital, University of Cagliari, Via Is Guadazzonis 2, 09126, Cagliari, Italy
| | - M Porta
- Department of Mechanical, Chemical and Materials Engineering, University of Cagliari, Cagliari, Italy
| | - G Pilloni
- Department of Mechanical, Chemical and Materials Engineering, University of Cagliari, Cagliari, Italy
| | - J Frau
- Multiple Sclerosis Center, Department of Medical Sciences and Public Health, Binaghi Hospital, University of Cagliari, Via Is Guadazzonis 2, 09126, Cagliari, Italy
| | - F Corona
- Department of Mechanical, Chemical and Materials Engineering, University of Cagliari, Cagliari, Italy
| | - V Sechi
- Radiology Unit, Binaghi Hospital, ATS Sardegna, Cagliari, Italy
| | - M A Barracciu
- Radiology Unit, Binaghi Hospital, ATS Sardegna, Cagliari, Italy
| | - M G Marrosu
- Multiple Sclerosis Center, Department of Medical Sciences and Public Health, Binaghi Hospital, University of Cagliari, Via Is Guadazzonis 2, 09126, Cagliari, Italy
| | - M Pau
- Department of Mechanical, Chemical and Materials Engineering, University of Cagliari, Cagliari, Italy
| | - E Cocco
- Multiple Sclerosis Center, Department of Medical Sciences and Public Health, Binaghi Hospital, University of Cagliari, Via Is Guadazzonis 2, 09126, Cagliari, Italy
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Sastre S, Casasnovas R, Muñoz F, Frau J. Isodesmic reaction for accurate theoretical pKa calculations of amino acids and peptides. Phys Chem Chem Phys 2017; 18:11202-12. [PMID: 27052591 DOI: 10.1039/c5cp07053h] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Theoretical and quantitative prediction of pKa values at low computational cost is a current challenge in computational chemistry. We report that the isodesmic reaction scheme provides semi-quantitative predictions (i.e. mean absolute errors of 0.5-1.0 pKa unit) for the pKa1 (α-carboxyl), pKa2 (α-amino) and pKa3 (sidechain groups) of a broad set of amino acids and peptides. This method fills the gaps of thermodynamic cycles for the computational pKa calculation of molecules that are unstable in the gas phase or undergo proton transfer reactions or large conformational changes from solution to the gas phase. We also report the key criteria to choose a reference species to make accurate predictions. This method is computationally inexpensive and makes use of standard density functional theory (DFT) and continuum solvent models. It is also conceptually simple and easy to use for researchers not specialized in theoretical chemistry methods.
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Affiliation(s)
- S Sastre
- Department de Química, Universitat de les Illes Balears, Palma de Mallorca 07122, Spain.
| | - R Casasnovas
- Institute of Neuroscience and Medicine INM-9, Institute for Advanced Simulations IAS-5. Computational Biomedicine, Forschungszentrum Jülich 52428, Germany
| | - F Muñoz
- Department de Química, Universitat de les Illes Balears, Palma de Mallorca 07122, Spain. and Instituto de Investigación Sanitaria de Palma (IdISPa), 07010, Palma, Spain
| | - J Frau
- Department de Química, Universitat de les Illes Balears, Palma de Mallorca 07122, Spain. and Instituto de Investigación Sanitaria de Palma (IdISPa), 07010, Palma, Spain
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Vilanova B, Fernández D, Casasnovas R, Pomar AM, Alvarez-Idaboy JR, Hernández-Haro N, Grand A, Adrover M, Donoso J, Frau J, Muñoz F, Ortega-Castro J. Formation mechanism of glyoxal-DNA adduct, a DNA cross-link precursor. Int J Biol Macromol 2017; 98:664-675. [PMID: 28192135 DOI: 10.1016/j.ijbiomac.2017.01.140] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2016] [Revised: 01/30/2017] [Accepted: 01/31/2017] [Indexed: 01/08/2023]
Abstract
DNA nucleobases undergo non-enzymatic glycation to nucleobase adducts which can play important roles in vivo. In this work, we conducted a comprehensive experimental and theoretical kinetic study of the mechanisms of formation of glyoxal-guanine adducts over a wide pH range in order to elucidate the molecular basis for the glycation process. Also, we performed molecular dynamics simulations to investigate how open or cyclic glyoxal-guanine adducts can cause structural changes in an oligonucleotide model. A thermodynamic study of other glycating agents including methylglyoxal, acrolein, crotonaldehyde, 4-hydroxynonenal and 3-deoxyglucosone revealed that, at neutral pH, cyclic adducts were more stable than open adducts; at basic pH, however, the open adducts of 3-deoxyglucosone, methylglyoxal and glyoxal were more stable than their cyclic counterparts. This result can be ascribed to the ability of the adducts to cross-link DNA. The new insights may contribute to improve our understanding of the connection between glycation and DNA cross-linking.
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Affiliation(s)
- B Vilanova
- Department de Química, Institut Universitari d'Investigació en Ciències de la Salut (IUNICS), Universitat de les Illes Balears, 07122 Palma de Mallorca, Spain; Instituto de Investigación Sanitaria de Palma (IdISPA), 07010 Palma de Mallorca, Spain.
| | - D Fernández
- Department de Química, Institut Universitari d'Investigació en Ciències de la Salut (IUNICS), Universitat de les Illes Balears, 07122 Palma de Mallorca, Spain; Instituto de Investigación Sanitaria de Palma (IdISPA), 07010 Palma de Mallorca, Spain
| | - R Casasnovas
- Department de Química, Institut Universitari d'Investigació en Ciències de la Salut (IUNICS), Universitat de les Illes Balears, 07122 Palma de Mallorca, Spain; Instituto de Investigación Sanitaria de Palma (IdISPA), 07010 Palma de Mallorca, Spain
| | - A M Pomar
- Department de Química, Institut Universitari d'Investigació en Ciències de la Salut (IUNICS), Universitat de les Illes Balears, 07122 Palma de Mallorca, Spain; Instituto de Investigación Sanitaria de Palma (IdISPA), 07010 Palma de Mallorca, Spain
| | - J R Alvarez-Idaboy
- Facultad de Química, Departamento de Física y Química Teórica, Universidad Nacional Autónoma de México, México D.F. 04510, Mexico
| | | | - A Grand
- Univ. Greboble Alpes, INAC-SCIB, F-38000 Grenoble, France; CEA, INAC-SyMMES, F-38000 Grenoble, France; Universidad Autónoma de Chile, Carlos Antúnez 1920, 7500566, Providencia, Santiago de, Chile
| | - M Adrover
- Department de Química, Institut Universitari d'Investigació en Ciències de la Salut (IUNICS), Universitat de les Illes Balears, 07122 Palma de Mallorca, Spain; Instituto de Investigación Sanitaria de Palma (IdISPA), 07010 Palma de Mallorca, Spain
| | - J Donoso
- Department de Química, Institut Universitari d'Investigació en Ciències de la Salut (IUNICS), Universitat de les Illes Balears, 07122 Palma de Mallorca, Spain; Instituto de Investigación Sanitaria de Palma (IdISPA), 07010 Palma de Mallorca, Spain
| | - J Frau
- Department de Química, Institut Universitari d'Investigació en Ciències de la Salut (IUNICS), Universitat de les Illes Balears, 07122 Palma de Mallorca, Spain; Instituto de Investigación Sanitaria de Palma (IdISPA), 07010 Palma de Mallorca, Spain
| | - F Muñoz
- Department de Química, Institut Universitari d'Investigació en Ciències de la Salut (IUNICS), Universitat de les Illes Balears, 07122 Palma de Mallorca, Spain; Instituto de Investigación Sanitaria de Palma (IdISPA), 07010 Palma de Mallorca, Spain
| | - J Ortega-Castro
- Department de Química, Institut Universitari d'Investigació en Ciències de la Salut (IUNICS), Universitat de les Illes Balears, 07122 Palma de Mallorca, Spain; Instituto de Investigación Sanitaria de Palma (IdISPA), 07010 Palma de Mallorca, Spain
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Frau J, Cossu D, Sardu C, Mameli G, Coghe G, Lorefice L, Fenu G, Tranquilli S, Sechi LA, Marrosu MG, Cocco E. Combining HLA-DRB1-DQB1 and Mycobacterium Avium Subspecies Paratubercolosis (MAP) antibodies in Sardinian multiple sclerosis patients: associated or independent risk factors? BMC Neurol 2016; 16:148. [PMID: 27552900 PMCID: PMC4994163 DOI: 10.1186/s12883-016-0669-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2016] [Accepted: 08/10/2016] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Amongst Sardinians the human leukocyte antigen (HLA) DRB1-DQB1 haplotypes *15:02-*06:01, *16:01-*05:02, *14:01-4-*05:03 are protective for multiple sclerosis (MS), while *13:03-*03:01, *04:05-*03:01, *03:01-*02:01, *15:01-*06:02 and Mycobacterium avium subspecies paratubercolosis (MAP) are predisposing factors. We studied the correlation between MAP and HLA. METHODS Five hundred thirty-one patients were searched for anti-MAP2694 antibodies, DRB1-DQB1 genotyping was performed. The haplotypes were classified as predisposing, neutral or protective. RESULTS Anti-MAP2694 were found in 23 % of subjects carrying one protective HLA versus 32 % without (p = 0.04). CONCLUSIONS We showed a lower frequency of Abs in patients with protective HLA. These haplotypes could have a protective role for both MS and MAP.
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Affiliation(s)
- J Frau
- Multiple Sclerosis Centre, Department of Public Health, Clinical and Molecular Medicine, University of Cagliari, Cagliari, Italy.
| | - D Cossu
- Department of Biomedical Sciences, Section of Experimental and Clinical Microbiology, University of Sassari, Sassari, Italy
| | - C Sardu
- Department of Public Health, Clinical and Molecular Medicine, University of Cagliari, Cagliari, Italy
| | - G Mameli
- Department of Biomedical Sciences, Section of Experimental and Clinical Microbiology, University of Sassari, Sassari, Italy
| | - G Coghe
- Multiple Sclerosis Centre, Department of Public Health, Clinical and Molecular Medicine, University of Cagliari, Cagliari, Italy
| | - L Lorefice
- Multiple Sclerosis Centre, Department of Public Health, Clinical and Molecular Medicine, University of Cagliari, Cagliari, Italy
| | - G Fenu
- Multiple Sclerosis Centre, Department of Public Health, Clinical and Molecular Medicine, University of Cagliari, Cagliari, Italy
| | - S Tranquilli
- Multiple Sclerosis Centre, Department of Public Health, Clinical and Molecular Medicine, University of Cagliari, Cagliari, Italy
| | - L A Sechi
- Department of Biomedical Sciences, Section of Experimental and Clinical Microbiology, University of Sassari, Sassari, Italy
| | - M G Marrosu
- Multiple Sclerosis Centre, Department of medical sciences, University of Cagliari, Cagliari, Italy
| | - E Cocco
- Multiple Sclerosis Centre, Department of Public Health, Clinical and Molecular Medicine, University of Cagliari, Cagliari, Italy
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Annovazzi P, Capobianco M, Moiola L, Patti F, Frau J, Uccelli A, Centonze D, Perini P, Tortorella C, Prosperini L, Lus G, Fuiani A, Falcini M, Martinelli V, Comi G, Ghezzi A. Rituximab in the treatment of Neuromyelitis optica: a multicentre Italian observational study. J Neurol 2016; 263:1727-35. [PMID: 27286847 DOI: 10.1007/s00415-016-8188-y] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2016] [Revised: 05/30/2016] [Accepted: 05/31/2016] [Indexed: 01/10/2023]
Abstract
Rituximab (RTX) efficacy in NMO is suggested by several case series. No consensus exists on optimal dosing strategies. At present the treatment schedules more frequently used are 375 mg/m2/week iv for 4 weeks (RTX-A) and 1000 mg iv twice, 2 weeks apart (RTX-B). Aim of this study is to confirm RTX efficacy and safety in the treatment of NMO and to evaluate whether a most favourable dosage regimen exists. Data on RTX-treated NMO patients were collected from 13 Italian Hospitals. 73 patients (64 F), were enlisted. RTX-A was administered in 42/73 patients, RTX-B in 31/73. Median follow-up was 27 months (range 7-106). Mean relapse rate in the previous year before RTX start was 2.2 ± 1.3 for RTX-A and 2.3 ± 1.2 for RTX-B. ARR in the first year of treatment was 0.8 ± 0.9 for RTX-A and 0.2 ± 0.4 for RTX-B, in the second year of treatment was 0.9 ± 1.5 for RTX-A and 0.4 ± 0.8 for RTX-B patients (p = 0.001 for the first year, ns (0.09) for the second year). RTX-B was more effective in delaying the occurrence of a relapse (HR 2.2 (95 % IC 1.08-4.53) p = 0.02). Adverse events were described in 19/73 patients (mainly urinary tract and respiratory infections, and infusion reactions). Two deaths were reported in severely disabled patients. Though with the limitations of an observational study, our data support RTX efficacy in NMO and suggest that high dose pulses might be more effective than a more fractioned dose.
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Affiliation(s)
- Pietro Annovazzi
- Multiple Sclerosis Study Center, ASST Valle Olona, PO di Gallarate (VA), Italy.
| | - M Capobianco
- Regional MS Center, University Hospital S. Luigi Gonzaga, Orbassano (TO), Italy
| | - L Moiola
- Department of Neurology, Scientific Institute H. San Raffaele, University Vita-Salute, Milan, Italy
| | - F Patti
- Multiple Sclerosis Center, University of Catania, Catania, Italy
| | - J Frau
- Multiple Sclerosis Center, University of Catania, Catania, Italy
| | - A Uccelli
- Department of Neurosciences Ophtalmology and Genetics, University of Genoa, Genoa, Italy
| | - D Centonze
- Department of Neurology I and neurorehabilitation, IRCCS Neuromed, Pozzilli (IS), Italy
- Department of Systems Medicine, University of Tor Vergata, Rome, Italy
| | - P Perini
- Department of Neurology, AO University of Padova, Padua, Italy
| | - C Tortorella
- Departments of Neurological and Psychiatric Sciences, University of Bari, Bari, Italy
| | - L Prosperini
- Department of Neurology and Psychiatry, Sapienza University, Rome, Italy
| | - G Lus
- Department of Neurological Sciences, School of Medicine, Second University of Naples, Policlinico Federico II, Naples, Italy
| | - A Fuiani
- Department of Neurosciences, Multiple Sclerosis Unit, General Hospital, "OORR", Foggia, Italy
| | - M Falcini
- Multiple Sclerosis Center, Ospedale Misericordia e Dolce, Prato, Italy
| | - V Martinelli
- Department of Neurology, Scientific Institute H. San Raffaele, University Vita-Salute, Milan, Italy
| | - G Comi
- Multiple Sclerosis Study Center, ASST Valle Olona, PO di Gallarate (VA), Italy
- Department of Neurology, Scientific Institute H. San Raffaele, University Vita-Salute, Milan, Italy
| | - A Ghezzi
- Multiple Sclerosis Study Center, ASST Valle Olona, PO di Gallarate (VA), Italy
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Lorefice L, Fenu G, Cabras F, Frau J, Coghe G, Loi L, Marrosu M, Cocco E. An unusual infection in MS patient treated with dimethyl fumarate: A case report of omphalitis. Mult Scler Relat Disord 2016; 7:65-7. [DOI: 10.1016/j.msard.2016.03.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2015] [Revised: 02/24/2016] [Accepted: 03/17/2016] [Indexed: 01/22/2023]
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Batlle P, Frau J, Loste A. Inter-administrative coordination in psychological first aid. Eur J Public Health 2015. [DOI: 10.1093/eurpub/ckv171.095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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23
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Coghe G, Pau M, Corona F, Frau J, Lorefice L, Fenu G, Spinicci G, Mamusa E, Musu L, Massole S, Massa R, Marrosu MG, Cocco E. Walking improvements with nabiximols in patients with multiple sclerosis. J Neurol 2015; 262:2472-7. [DOI: 10.1007/s00415-015-7866-5] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2015] [Revised: 07/16/2015] [Accepted: 07/17/2015] [Indexed: 11/28/2022]
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Lorefice L, Tranquilli S, Fenu G, Murru MR, Frau J, Rolesu M, Coghe GC, Marrosu F, Marrosu MG, Cocco E. A genetic study of the FMR1 gene in a Sardinian multiple sclerosis population. Neurol Sci 2015; 36:2213-20. [PMID: 26194536 DOI: 10.1007/s10072-015-2339-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2015] [Accepted: 07/13/2015] [Indexed: 02/04/2023]
Abstract
Multiple sclerosis (MS) is a complex autoimmune disease originated from the interplay between genetic and environmental factors. An overlap of clinical and neuroradiological parameters has been described between MS and an adult-onset neurodegenerative disorder, the fragile-X-associated tremor/ataxia syndrome (FXTAS). This syndrome is caused by a trinucleotide premutation expansion of a CGG sequence in the 55-200 repeat range, which is located in the fragile-X mental retardation 1 (FMR1) gene. Female premutation carriers have an increased propensity for immune-mediated disorders. Recently, a case of co-occurrence of MS and FXTAS was reported. Assuming that the premutation expansion may play a role in the MS susceptibility, we evaluated its frequency in a cohort of MS patients from Sardinia, an island characterized by a very high frequency of MS. Nuclear DNA was extracted by standard methods, purified with bisulfite treatment and then amplified twice by PCR with specific primers. Microsatellite analysis was performed and emizogotic subjects were sequenced. Clinical data of patients were also collected. Only 1/755 MS patients exhibited the premutation expansion with a heterozygosis pattern (30/58). No pathogenic repeat expansions (>200 repeats) were found in the entire cohort. Repeats labeled as the gray zone (45-60 repeats) were observed in 15/755 patients. No specific clinical features concerning disease course, disease activity, and disability were reported for these patients. Our results do not support a possible role for premutation or gray zone alleles in MS Sardinian patients. Further studies are needed to better understand the relationship between FXTAS and MS.
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Affiliation(s)
- L Lorefice
- Department of Public Health and Clinical and Molecular Medicine, Multiple Sclerosis Center, University of Cagliari, Ospedale "Binaghi", via Is Guadazzonis, 2, 09126, Cagliari, Italy.
| | - S Tranquilli
- Department of Medical Sciences, Institute of Neurology, University of Cagliari, Cagliari, Italy
| | - G Fenu
- Department of Public Health and Clinical and Molecular Medicine, Multiple Sclerosis Center, University of Cagliari, Ospedale "Binaghi", via Is Guadazzonis, 2, 09126, Cagliari, Italy
| | - M R Murru
- ASL8-Department of Medical Sciences, Multiple Sclerosis Center, University of Cagliari, Cagliari, Italy
| | - J Frau
- Department of Public Health and Clinical and Molecular Medicine, Multiple Sclerosis Center, University of Cagliari, Ospedale "Binaghi", via Is Guadazzonis, 2, 09126, Cagliari, Italy
| | - M Rolesu
- ASL8-Department of Medical Sciences, Multiple Sclerosis Center, University of Cagliari, Cagliari, Italy
| | - G C Coghe
- Department of Public Health and Clinical and Molecular Medicine, Multiple Sclerosis Center, University of Cagliari, Ospedale "Binaghi", via Is Guadazzonis, 2, 09126, Cagliari, Italy
| | - F Marrosu
- Department of Medical Sciences, Institute of Neurology, University of Cagliari, Cagliari, Italy
| | - M G Marrosu
- Department of Medical Sciences, Multiple Sclerosis Center, University of Cagliari, Cagliari, Italy
| | - E Cocco
- Department of Public Health and Clinical and Molecular Medicine, Multiple Sclerosis Center, University of Cagliari, Ospedale "Binaghi", via Is Guadazzonis, 2, 09126, Cagliari, Italy
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Abstract
Multiple sclerosis (MS) is a complex autoimmune disease of the central nervous system. Disease-modifying drugs licensed for MS treatment have been developed to reduce relapse rates and halt disease progression. The majority of current MS drugs involve regular, parenteral administration, affecting long-term adherence and thus reducing treatment efficacy. Over the last two decades great progress has been made towards developing new MS therapies with different modes of action and biologic effects. In particular, oral drugs have generated much interest because of their convenience and positive impact on medication adherence. Fingolimod was the first launched oral treatment for relapsing-remitting MS; recently, Teriflunomide and Dimethyl fumarate have also been approved as oral disease-modifying agents. In this review, we summarize and discuss the history, pharmacodynamics, efficacy, and safety of oral agents that have been approved or are under development for the selective treatment of MS.
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Affiliation(s)
- L Lorefice
- Multiple Sclerosis Center, Department of Public Health and Clinical and Molecular Medicine, University of Cagliari, Cagliari, Italy.
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Solís-Calero C, Ortega-Castro J, Hernández-Laguna A, Frau J, Muñoz F. A DFT study of the carboxymethyl-phosphatidylethanolamine formation from glyoxal and phosphatidylethanolamine surface. Comparison with the formation of N(ε)-(carboxymethyl)lysine from glyoxal and l-lysine. Phys Chem Chem Phys 2015; 17:8210-22. [DOI: 10.1039/c4cp05360e] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Mechanisms of the generation of CML and CM-PE from the reactions between glyoxal and l-lysine, and glyoxal and phosphatidylethanolamine (PE) were studied using the DFT method.
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Affiliation(s)
- C. Solís-Calero
- Institut d’Investigació en Ciències de la Salut (IUNICS)
- Departament de Química
- Universitat de les Illes Balears
- E-07122 Palma de Mallorca
- Spain
| | - J. Ortega-Castro
- Institut d’Investigació en Ciències de la Salut (IUNICS)
- Departament de Química
- Universitat de les Illes Balears
- E-07122 Palma de Mallorca
- Spain
| | | | - J. Frau
- Institut d’Investigació en Ciències de la Salut (IUNICS)
- Departament de Química
- Universitat de les Illes Balears
- E-07122 Palma de Mallorca
- Spain
| | - F. Muñoz
- Institut d’Investigació en Ciències de la Salut (IUNICS)
- Departament de Química
- Universitat de les Illes Balears
- E-07122 Palma de Mallorca
- Spain
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Melis M, Cocco E, Sardu C, Frau J, Lorefice L, Coghe G, Fenu G, Marrosu M. Switching from natalizumab to fingolimod. J Neurol Sci 2013. [DOI: 10.1016/j.jns.2013.07.1384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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28
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Frau J, Cossu D, Coghe G, Lorefice L, Fenu G, Melis M, Paccagnini D, Sardu C, Murru MR, Tranquilli S, Marrosu MG, Sechi LA, Cocco E. Mycobacterium avium subsp. paratuberculosis and multiple sclerosis in Sardinian patients: epidemiology and clinical features. Mult Scler 2013; 19:1437-42. [PMID: 23439580 DOI: 10.1177/1352458513477926] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
BACKGROUND Mycobacterium avium subspecies paratuberculosis (MAP) is an infectious factor recently found in association with multiple sclerosis (MS) in Sardinia. OBJECTIVES The objectives of this study were to confirm this association and evaluate its role in clinical features. METHODS A total of 436 patients and 264 healthy controls (HCs) were included. We examined the blood of each individual for MAPDNA and MAP2694 antibodies using IS900-specific PCR and ELISA, respectively. Differences in MAP presence between the MS group and HCs were evaluated. In MS patients, we considered: gender, age, age at onset, duration of disease, course, EDSS, therapy, relapse/steroids at study time, and oligoclonal bands (OBs). RESULTS MAPDNA and MAP2694 antibodies were detected in 68 MS and six HCs (p = 1.14 × 10(-11)), and 123 MS and 10 HCs (p = 2.59 × 10(-23)), respectively. OBs were found with reduced frequency in MAP-positive patients (OR = 0.52; p = 0.02). MAP2694 antibodies were detected more in patients receiving MS treatments (OR = 2.26; p = 0.01), and MAPDNA in subjects on steroids (OR = 2.65; p = 0.02). CONCLUSION Our study confirmed the association of MAP and MS in Sardinia. The low OB frequency in MAP patients suggests a peripheral role as a trigger in autoimmunity. MAP positivity might be influenced by steroids and MS therapy. Studies in other populations are needed to confirm the role of MAP in MS.
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Affiliation(s)
- J Frau
- Multiple Sclerosis Centre, Department of Public Health, Clinical and Molecular Medicine, University of Cagliari, Italy
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Ortega-Castro J, Frau J, Casasnovas R, Fernández D, Donoso J, Muñoz F. High- and low-spin Fe(III) complexes of various AGE inhibitors. J Phys Chem A 2012; 116:2961-71. [PMID: 22369344 DOI: 10.1021/jp210188w] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Density functional theory calculations [CPCM/UM06/6-31+G(d,p)] were used to elucidate the structures and relative stability of Fe(III) complexes with various ligands that inhibit the formation of advanced glycation end products (AGEs) or iron overloaded disease (viz. aminoguanidine, pyridoxamine, LR-74, Amadori compounds, and ascorbic acid). EDTA was used as the free energy reference ligand. The distorted neutral octahedral complex containing one iron atom and three molecules of pyridoxamine [Fe(PM)(3)] was found to be the most stable. The stability of the complexes decreases in the following chelate sequence: pyridoxamine, Amadori complex, aminoguanidine, LR inhibitor, and ascorbic acid.
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Affiliation(s)
- J Ortega-Castro
- Institut d'Investigació en Ciències de la Salut (IUNICS), Departament de Química, Universitat de les Illes Balears, E-07122 Palma de Mallorca, Spain
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Pineda FP, Ortega-Castro J, Alvarez-Idaboy JR, Frau J, Cabrera BM, Ramírez JC, Donoso J, Muñoz F. Hydrolysis of a Chlorambucil Analogue. A DFT study. J Phys Chem A 2011; 115:2359-66. [DOI: 10.1021/jp111202p] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- F. P. Pineda
- Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, Edificio 179, 18 Sur y Av. San Claudio, Col. San Manuel, 72570 Puebla, Puebla, México
| | - J. Ortega-Castro
- Institut d’Investigació en Ciènces de la Salut (IUNICS), Department de Química, Universitat de les Illes Balears, 07122 Palma de Mallorca, Spain
- Mexico-EU international collaboration network RMAYS, Universidad Nacional Autónoma de México, México D.F. 04510, México
| | - J. R. Alvarez-Idaboy
- Facultad de Química, Departamento de Física y Química Teórica, Universidad Nacional Autónoma de México, México D.F. 04510, México
- Mexico-EU international collaboration network RMAYS, Universidad Nacional Autónoma de México, México D.F. 04510, México
| | - J. Frau
- Institut d’Investigació en Ciènces de la Salut (IUNICS), Department de Química, Universitat de les Illes Balears, 07122 Palma de Mallorca, Spain
- Mexico-EU international collaboration network RMAYS, Universidad Nacional Autónoma de México, México D.F. 04510, México
| | - B. M. Cabrera
- Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, Edificio 179, 18 Sur y Av. San Claudio, Col. San Manuel, 72570 Puebla, Puebla, México
| | - J. C. Ramírez
- Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, Edificio 179, 18 Sur y Av. San Claudio, Col. San Manuel, 72570 Puebla, Puebla, México
| | - J. Donoso
- Institut d’Investigació en Ciènces de la Salut (IUNICS), Department de Química, Universitat de les Illes Balears, 07122 Palma de Mallorca, Spain
- Mexico-EU international collaboration network RMAYS, Universidad Nacional Autónoma de México, México D.F. 04510, México
| | - F. Muñoz
- Institut d’Investigació en Ciènces de la Salut (IUNICS), Department de Química, Universitat de les Illes Balears, 07122 Palma de Mallorca, Spain
- Mexico-EU international collaboration network RMAYS, Universidad Nacional Autónoma de México, México D.F. 04510, México
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Ortega-Castro J, Adrover M, Frau J, Salvà A, Donoso J, Muñoz F. DFT Studies on Schiff Base Formation of Vitamin B6 Analogues. Reaction between a Pyridoxamine-Analogue and Carbonyl Compounds. J Phys Chem A 2010; 114:4634-40. [DOI: 10.1021/jp909156m] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- J. Ortega-Castro
- Institut Universitari d’Investigació en Ciències de la Salut (IUNICS), Departament de Química, Universitat de les Illes Balears, Cra. Valldemossa km 7.5, E-07122 Palma de Mallorca, Spain
| | - M. Adrover
- Institut Universitari d’Investigació en Ciències de la Salut (IUNICS), Departament de Química, Universitat de les Illes Balears, Cra. Valldemossa km 7.5, E-07122 Palma de Mallorca, Spain
| | - J. Frau
- Institut Universitari d’Investigació en Ciències de la Salut (IUNICS), Departament de Química, Universitat de les Illes Balears, Cra. Valldemossa km 7.5, E-07122 Palma de Mallorca, Spain
| | - A. Salvà
- Institut Universitari d’Investigació en Ciències de la Salut (IUNICS), Departament de Química, Universitat de les Illes Balears, Cra. Valldemossa km 7.5, E-07122 Palma de Mallorca, Spain
| | - J. Donoso
- Institut Universitari d’Investigació en Ciències de la Salut (IUNICS), Departament de Química, Universitat de les Illes Balears, Cra. Valldemossa km 7.5, E-07122 Palma de Mallorca, Spain
| | - F. Muñoz
- Institut Universitari d’Investigació en Ciències de la Salut (IUNICS), Departament de Química, Universitat de les Illes Balears, Cra. Valldemossa km 7.5, E-07122 Palma de Mallorca, Spain
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Cocco E, Sardu C, Murru R, Frau J, Lorefice L, Mamusa E, Contu P, Marrosu MG. Multiple sclerosis risk: interaction between human leukocyte antigen and the environment in Sardinian population. Mult Scler 2009; 15:1030-6. [DOI: 10.1177/1352458509106745] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Background The island of Sardinia features a high incidence of multiple sclerosis (MS) characterized by early age at onset and a progressively increasing trend. The current study was aimed at examining variations in human leukocyte antigen–risk genotypes occurring over time in a cohort of patients. Methods Susceptible and neutral DRB1-DQB1 genotypes were identified in 1660 patients. Age at onset was established in 1436 patients divided into two cohorts, an older cohort (subjects born before 1949, N = 233) and a younger one (subjects born from 1960 to 1989, N = 850). Patients from the older cohort were randomly assigned to patients of the same sex from the younger cohort, matched for age at onset. The final sample included 170 pairs. Logistic conditional analysis was performed to determine the probability of a neutral genotype in both cohorts. Kaplan–Meier analysis was applied to ascertain the influence of predisposing and neutral genotypes in age at onset for both cohorts. Findings The probability of carrying a neutral genotype was 1.76-fold higher in the younger than in the older cohort ( P = 0.02) and 3.67-fold higher in men ( P = 0.005). Kaplan–Meier analysis revealed an earlier age at onset in patients of the young cohort carrying the predisposing genotype ( P = 0.004). Interpretation In the Sardinian population, an environment more prone and propitious to autoimmunity may contribute toward the rising incidence of MS or anticipate overt manifestation of the disease in genetically predisposed subjects.
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Affiliation(s)
- E Cocco
- Centro Sclerosi Multipla, Dipartimento di Scienze Cardiovascolari e Neurologiche, Università di Cagliari, Italy
| | - C Sardu
- Dipartimento di Sanità Pubblica, Università di Cagliari, Italy
| | - R Murru
- Centro Sclerosi Multipla, Dipartimento di Scienze Cardiovascolari e Neurologiche, Università di Cagliari, Italy
| | - J Frau
- Centro Sclerosi Multipla, Dipartimento di Scienze Cardiovascolari e Neurologiche, Università di Cagliari, Italy
| | - L Lorefice
- Centro Sclerosi Multipla, Dipartimento di Scienze Cardiovascolari e Neurologiche, Università di Cagliari, Italy
| | - E Mamusa
- Centro Sclerosi Multipla, Dipartimento di Scienze Cardiovascolari e Neurologiche, Università di Cagliari, Italy
| | - P Contu
- Dipartimento di Sanità Pubblica, Università di Cagliari, Italy
| | - MG Marrosu
- Centro Sclerosi Multipla, Dipartimento di Scienze Cardiovascolari e Neurologiche, Università di Cagliari, Italy
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Ortega-Castro J, Adrover M, Frau J, Donoso J, Muñoz F. Erratum to ‘Chelating power of LR-74, a new AGE-inhibitor’ [Chemical Physics Letters 465 (2008) 120]. Chem Phys Lett 2009. [DOI: 10.1016/j.cplett.2009.01.081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Cocco E, Marchi P, Sardu C, Russo P, Paolillo A, Mascia M, Solla M, Frau J, Lorefice L, Massole S, Floris G, Marrosu M. Mitoxantrone treatment in patients with early relapsing-remitting multiple sclerosis. Mult Scler 2007; 13:975-80. [PMID: 17468439 DOI: 10.1177/1352458507077621] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
We investigated the clinical and MRI effects of mitoxantrone (MITOX) administered to 45 patients during the first five years of highly active relapsing-remitting multiple sclerosis. Differences occurring between the end of treatment and follow-up (clinical mean: 3.6 years; brain MR: 1.8 years) with respect to baseline variables (EDSS, annualized relapse rate, active T2 lesions, new T1 lesions and number of Gd-enhancing lesions) were analysed using parametric and non-parametric tests. One patient developed leukemia four months after the end of the treatment; no other serious adverse events occurred during treatment and the follow-up period. A clinically relevant reduction in the annualized relapse rate ( P < 0.0001 at end of treatment and P < 0.0001 at follow-up) and improvement in the EDSS ( P < 0.0001 at end of treatment and P = 0.0005 at follow-up) was found. At the end of treatment, 53% of patients experienced no increase in active T2 lesions, while 73% showed no increase in the number of new T1 lesions. At follow-up, 41 out of 45 (91%) patients showed a stable MRI pattern and were active-scan free. Despite potential serious adverse events, MITOX may be considered an option in selected patients with very active early MS. Multiple Sclerosis 2007; 13: 975—980. http://msj.sagepub.com
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Affiliation(s)
- E Cocco
- Centro Sclerosi Multipla, Dipartimento di. Scienze Cardiovascolari e Neurologiche, University of Cagliari, Italy
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Frau J, Donoso J, Muñoz F, Blanco FG. Theoretical calculations of β-lactam antibiotics. V. AM1 calculations of hydrolysis of cephalothin in gaseous phase and influence of the solvent. J Comput Chem 2004. [DOI: 10.1002/jcc.540141217] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Frau J, Donoso J, Muñoz F, Blanco FG. Theoretical calculations of β-lactam antibiotics. III. AM1, MNDO, and MINDO/3 calculations of hydrolysis of β-lactam compound (azetidin-2-one ring). J Comput Chem 2004. [DOI: 10.1002/jcc.540130603] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Abstract
Aqueous solutions of pyridoxamine 5' phosphate (PMP) at several pH conditions have been studied using FT-IR spectroscopy using the attenuated total reflection (ATR) technique. In spite of the strong intense OH stretching and bending bands of water, most of the vibrational structure of solute can be observed from 900 to 1500 cm(-1). With increasing pH, very intense changes in the spectra have been observed due to concentration changes of the hydrogen bonded species. Spectra of the different ionic species have been calculated from the mathematical fitting of experimental absorption spectra as a function of pH. Spectra are characterized by the presence of broad band-like structures in the 2400-3500 cm(-1) region, with extended continua that indicate very large proton polarizability of hydrogen bonds. Contributions of the phosphate group to the total absorption have been analyzed by comparison with pyridoxamine spectra.
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Affiliation(s)
- A Salvà
- Department of Chemistry, Faculty of Sciences, University of the Balearic Islands, Ctra. de Valldemossa km. 7.5, 07071 Palma de Mallorca, Spain
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Abstract
Various electrostatic and structural parameters for a series of classical and non-classical beta-lactams were determined and compared in order to ascertain whether some specific beta-lactams possess antibacterial or beta-lactamase inhibitory properties. The electrostatic parameters obtained, based on the Distributed Multipole Analysis (DMA) of high-quality wavefunctions for the studied structures, suggest that some non-classical beta-lactams effectively inhibit the action of beta-lactamases. As shown in this work, such electrostatic parameters provide much more reliable information about the antibacterial and inhibitory properties of beta-lactams than do structural parameters.
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Affiliation(s)
- M Coll
- Departament de Química, Universitat de les Illes Balears, Palma de Mallorca, Spain
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Frau J, Coll M, Donoso J, Muñoz F, Vilanova B, García-Blanco F. Alkaline and acidic hydrolysis of the β-lactam ring. ACTA ACUST UNITED AC 2001. [DOI: 10.1002/ejtc.34] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Frau J, Donoso J, Muñoz F, Blanco F. Semiempirical and ab initio calculations on the alkaline hydrolysis of the β-lactam ring Influence of the solvent. ACTA ACUST UNITED AC 1997. [DOI: 10.1016/s0166-1280(96)04780-x] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Frau J, Price SL. On the electrostatic and steric similarity of lactam compounds and the natural substrate for bacterial cell-wall biosynthesis. J Comput Aided Mol Des 1996; 10:107-22. [PMID: 8741015 DOI: 10.1007/bf00402819] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Electrostatic and structural properties of a set of beta-lactam, gamma-lactam and nonlactam compounds have been analyzed and compared with those of a model of the natural substrate D-alanyl-D-alanine for the carboxy- and transpeptidase enzymes. This first comparison of the electrostatic properties has been based on a distributed multipole analysis of high-quality ab initio wave functions of the substrate and potential antibiotics. The electrostatic similarity of the substrate and active compounds is apparent, and contrasts with the electrostatic properties of the noninhibitors. This has been quantified to give a reasonable correlation with the MIC (Minimum Concentration for Inhibition) and with kinetic data (k2/K) in accordance with the model for interaction of the lactam compounds with DD-peptidase. These correlations provide a better prediction of antibacterial activity than purely structural criteria.
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Affiliation(s)
- J Frau
- Department of Chemistry, University College London, U.K
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Frau J, Price SL. Possible binding orientations ofβ-lactams withinStaphylococcus aureus POβ-lactamase suggest factors involved inβ-lactamase resistance. Theor Chem Acc 1996. [DOI: 10.1007/bf02335462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Abstract
A kinetic study on the alkaline hydrolysis of cefotaxime at pH 10.5 and 37 degrees C has been carried out by using HPLC and 1H NMR. The main resulting degradation products have been isolated and identified. These include, apart from the well-known deacetylcefotaxime, the exocyclic methylene derivative, the 7-epimer of cefotaxime and the 7-epimer of deacetylcefotaxime. The kinetic constants involved in the process have been determined and according to the experimental results the attack of the hydroxyl group on the ester function bonded to the 3'-carbon is the fastest step in the proposed kinetic scheme. It should be emphasized that the base-catalyzed epimerization of the hydrogen at the 7 position clearly depends on the presence of a good electron-withdrawing group at C(3'). On the other hand, no hydrolysis of the amide at position 7 was detected.
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Affiliation(s)
- B Vilanova
- Departamento de Química, Facultat de Ciències, Universitat de les Illes Balears, Mallorca, Spain
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