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  1. Article ; Online: Fatigue in young patients with acquired brain injury in the outpatient rehabilitation setting: A 2-year follow-up study.

    Allonsius, Florian / Markus-Doornbosch, Frederike van / de Kloet, Arend / Opschoor, Daniël / Vliet Vlieland, Thea / Holst, Menno van der

    Neuropsychological rehabilitation

    2024  , Page(s) 1–23

    Abstract: Acquired brain injury (ABI) may cause fatigue and participation restrictions in young patients. However, knowledge regarding the course of these problems over time is lacking. This study aims to describe the course of fatigue and participation and their ... ...

    Abstract Acquired brain injury (ABI) may cause fatigue and participation restrictions in young patients. However, knowledge regarding the course of these problems over time is lacking. This study aims to describe the course of fatigue and participation and their relationship over time in an observational two-year follow-up study among patients(5-24 years) with ABI referred for outpatient rehabilitation and their parents. Patients/parents completed the PedsQL™Multidimensional-Fatigue-Scale(PedsQL™MFS, totalscore/3-domains) and the Child/Adolescent-Scale of Participation(CASP, totalscore/4-domains). Scores ranged from 0-100: lower scores = more fatigue/participation problems. Linear mixed models and repeated measures correlations were used to determine the course over time (change-scores/95%CI) and correlations between fatigue/participation. At baseline, 223 patients/246 parents participated with 94/104 at either T1, T2 or both. Median age was 15 years (IQR:12-17), 74% had a traumatic brain injury. Mean(SD) patient/parent-reported PedsQL™MFS totalscores(baseline) were: 50.3(17.3) and 53.8(19.1), respectively. CASP totalscores were 78.0(16.4) and 87.1(13.6). Over time, patient-reported scores improved significantly (fatigue: + 8.8 (2.9;14.7),
    Language English
    Publishing date 2024-01-04
    Publishing country England
    Document type Journal Article
    ZDB-ID 1080508-4
    ISSN 1464-0694 ; 0960-2011
    ISSN (online) 1464-0694
    ISSN 0960-2011
    DOI 10.1080/09602011.2023.2298628
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Rationale and description of BrainLevel: Computerized repeated practice with strategy use instruction for children with acquired brain injury.

    Resch, Christine / Hurks, Petra / de Kloet, Arend / van Heugten, Caroline

    Clinical rehabilitation

    2021  Volume 35, Issue 6, Page(s) 787–800

    Abstract: Objective: In this paper, we provide the rationale behind and a description of BrainLevel, a new cognitive rehabilitation intervention for children with acquired brain injury.: Rationale: Children with acquired brain injury frequently report ... ...

    Abstract Objective: In this paper, we provide the rationale behind and a description of BrainLevel, a new cognitive rehabilitation intervention for children with acquired brain injury.
    Rationale: Children with acquired brain injury frequently report cognitive problems and consequently problems in participation, psychosocial functioning, family functioning and quality of life. Computerized repeated practice of specific cognitive tasks (so-called 'brain training') improves performance on those specific or highly similar tasks, but rarely leads to better daily life functioning. Adding strategy use instruction as an intervention component, with the aim to transfer task-specific effects to other contexts, may yield positive effects on cognitive and daily life functioning of children with acquired brain injury.
    Description of the new intervention: In BrainLevel, computerized repeated practice is offered via the online training programme BrainGymmer. For the strategy use instruction, we developed a protocol to provide and practice function-specific and metacognitive strategies. The intervention period is 6 weeks, during which children train five times per week for 30 minutes per day at home with BrainGymmer. Additionally, they attend a weekly 45-minute strategy use instruction session on the basis of our protocol with a cognitive rehabilitation specialist.
    Discussion: BrainLevel is innovative in combining computerized repeated practice with strategy use instruction as cognitive rehabilitation for children with acquired brain injury. Currently, we are investigating the effectiveness of BrainLevel. In this paper, possible adaptations to tailor BrainLevel to other games or contexts, or to incorporate novel scientific insights, for example regarding optimal intervention duration and intensity, are discussed.
    MeSH term(s) Adolescent ; Brain Injuries/rehabilitation ; Child ; Cognitive Dysfunction/rehabilitation ; Female ; Humans ; Male ; Quality of Life ; Video Games/psychology
    Language English
    Publishing date 2021-02-01
    Publishing country England
    Document type Journal Article
    ZDB-ID 639276-3
    ISSN 1477-0873 ; 0269-2155
    ISSN (online) 1477-0873
    ISSN 0269-2155
    DOI 10.1177/0269215521989652
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: A longitudinal follow-up study of parent-reported family impact and quality of life in young patients with traumatic and non-traumatic brain injury.

    Allonsius, F / de Kloet, A J / van Markus-Doornbosch, F / Vliet Vlieland, T P M / van der Holst, M

    Disability and rehabilitation

    2023  , Page(s) 1–11

    Abstract: Purpose: Brain injuries (traumatic-/nontraumatic, TBI/nTBI) in young patients may lead to problems e.g., decreased health-related quality of life (HRQoL), and causes family impact. Knowledge regarding the family impact and the relationship with patients' ...

    Abstract Purpose: Brain injuries (traumatic-/nontraumatic, TBI/nTBI) in young patients may lead to problems e.g., decreased health-related quality of life (HRQoL), and causes family impact. Knowledge regarding the family impact and the relationship with patients' HRQoL over time is scarce. This follow-up study describes family impact/HRQoL and their mutual relationship in young patients (5-24 years) after TBI/nTBI.
    Materials and methods: Parents of patients that were referred to outpatient rehabilitation completed the PedsQL™Family-Impact-Module questionnaire to assess the family impact and the parent-reported PedsQL™Generic-core-set-4.0 to assess patients' HRQoL (lower scores: more family impact/worse HRQoL). Questionnaires were completed at the time of referral to rehabilitation (baseline) and one/two years later (T1/T2). Linear-mixed models were used to examine family impact/HRQoL change scores, and repeated-measure correlations (r) to determine longitudinal relationships.
    Results: Two-hundred-forty-six parents participated at baseline, 72 (at T2), median patient's age at baseline was 14 years (IQR:11-16), and 181 (74%) had TBI. Mean (SD) PedsQL™Family-Impact-Module score at baseline was 71.7 (SD:16.4) and PedsQL™Generic-core-set-4.0: 61.4 (SD:17.0). Over time, PedsQL™Family-Impact-Module scores remained stable, while PedsQL™Generic-core-set-4.0 scores improved significantly(
    Conclusions: Family impact does not tend to decrease over time but remained a considerable problem, although patients' HRQoL improved. Next to focusing on patients' HRQoL, it remains important to consider family impact and offer family support throughout rehabilitation.IMPLICATIONS FOR REHABILITATIONThis longitudinal study found that in young patients with traumatic brain injury (TBI) or non-traumatic brain injury (nTBI) referred for rehabilitation there is a considerable impact on the family until two years after referral, whereas the patients' health-related quality of life (HRQoL) improved significantly.Improvements in patients' quality of life status may not automatically lead to a decrease of family impact.Rehabilitation clinicians should monitor the impact on the family over time and provide long-term family support with special attention to parental worrying when needed.Clinicians should be aware that, despite significant differences between the clinical characteristics of patients with TBI and nTBI, the courses of family impact are very similar.
    Language English
    Publishing date 2023-06-09
    Publishing country England
    Document type Journal Article
    ZDB-ID 1104775-6
    ISSN 1464-5165 ; 0963-8288
    ISSN (online) 1464-5165
    ISSN 0963-8288
    DOI 10.1080/09638288.2023.2218657
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Fatigue in young patients with acquired brain injury in the rehabilitation setting: Categorizing and interpreting fatigue severity levels.

    Allonsius, Florian / van Markus-Doornbosch, Frederike / de Kloet, Arend / Lambregts, Suzanne / Vliet Vlieland, Thea / van der Holst, Menno

    Developmental neurorehabilitation

    2022  Volume 25, Issue 8, Page(s) 542–553

    Abstract: Purpose: Fatigue in patients with acquired brain injury (ABI) is common. However, to better target fatigue, clear ways to categorize/interpret fatigue-severity in individual patients are lacking. This study aims to determine/categorize fatigue severity ... ...

    Abstract Purpose: Fatigue in patients with acquired brain injury (ABI) is common. However, to better target fatigue, clear ways to categorize/interpret fatigue-severity in individual patients are lacking. This study aims to determine/categorize fatigue severity among children, adolescents, and young adults with ABI.
    Methods: This cross-sectional study included young patients admitted to outpatient rehabilitation and their parents. To determine fatigue, the PedsQL™Multidimensional-Fatigue-Scale was used (MFS, scores 0-100, lower scores = higher fatigue, patient-/parent-reported). Based on scores from a reference population, four categories were formed: "1 = no/little fatigued" to "4 = severely-more fatigued."
    Results: All scores were lower than those from the reference population, with comparisons in the adolescent and young adult groups reaching statistical significance (p < .05). The proportions of patients in category 4 were: 9%/50%/58% among children/adolescents/young adults, showing that many patients were "severely-more fatigued"-than the reference population.
    Conclusions: Measuring fatigue and categorizing fatigue severity looks promising for clinical practice and could help to better target fatigue.
    MeSH term(s) Adolescent ; Brain Injuries/complications ; Child ; Cross-Sectional Studies ; Fatigue ; Humans ; Outpatients ; Parents ; Quality of Life ; Young Adult
    Language English
    Publishing date 2022-07-26
    Publishing country England
    Document type Journal Article
    ZDB-ID 2280007-4
    ISSN 1751-8431 ; 1751-8423
    ISSN (online) 1751-8431
    ISSN 1751-8423
    DOI 10.1080/17518423.2022.2099994
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: CDCA7-associated global aberrant DNA hypomethylation translates to localized, tissue-specific transcriptional responses.

    Vukic, Maja / Chouaref, Jihed / Della Chiara, Veronica / Dogan, Serkan / Ratner, Fallon / Hogenboom, Jenna Z M / Epp, Trevor A / Chawengsaksophak, Kallayanee / Vonk, Kelly K D / Breukel, Cor / Ariyurek, Yavuz / San Leon Granado, David / Kloet, Susan L / Daxinger, Lucia

    Science advances

    2024  Volume 10, Issue 6, Page(s) eadk3384

    Abstract: Disruption of cell division cycle associated 7 (CDCA7) has been linked to aberrant DNA hypomethylation, but the impact of DNA methylation loss on transcription has not been investigated. Here, we show that CDCA7 is critical for maintaining global DNA ... ...

    Abstract Disruption of cell division cycle associated 7 (CDCA7) has been linked to aberrant DNA hypomethylation, but the impact of DNA methylation loss on transcription has not been investigated. Here, we show that CDCA7 is critical for maintaining global DNA methylation levels across multiple tissues in vivo. A pathogenic
    MeSH term(s) DNA ; DNA Methylation ; Protein Isoforms/genetics ; Repressor Proteins/genetics ; Transcription Factors/genetics ; Animals ; Mice ; Cell Cycle Proteins/metabolism ; Nuclear Proteins/metabolism
    Chemical Substances DNA (9007-49-2) ; Protein Isoforms ; Repressor Proteins ; Transcription Factors ; cdca7 protein, mouse ; Cell Cycle Proteins ; Nuclear Proteins
    Language English
    Publishing date 2024-02-09
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2810933-8
    ISSN 2375-2548 ; 2375-2548
    ISSN (online) 2375-2548
    ISSN 2375-2548
    DOI 10.1126/sciadv.adk3384
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Acquisition of a glycosylated B-cell receptor drives follicular lymphoma toward a dark zone phenotype.

    van Bergen, Cornelis A M / Kloet, Susan L / Quinten, Edwin / Sepúlveda Yáñez, Julieta H / Menafra, Roberta / Griffioen, Marieke / Jansen, Patty M / Koning, Marvyn T / Knijnenburg, Jeroen / Navarrete, Marcelo A / Kiełbasa, Szymon M / Veelken, Hendrik

    Blood advances

    2023  Volume 7, Issue 19, Page(s) 5812–5816

    Language English
    Publishing date 2023-07-24
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2915908-8
    ISSN 2473-9537 ; 2473-9529
    ISSN (online) 2473-9537
    ISSN 2473-9529
    DOI 10.1182/bloodadvances.2023010725
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  7. Article ; Online: Late endocrine effects after hematopoietic stem cell transplantation in children with nonmalignant diseases.

    de Kloet, L C / Bense, J E / van der Stoep, M Y E C / Louwerens, M / von Asmuth, E G J / Lankester, A C / de Pagter, A P J / Hannema, S E

    Bone marrow transplantation

    2022  Volume 57, Issue 10, Page(s) 1564–1572

    Abstract: The number of children undergoing hematopoietic stem cell transplantation (HSCT) for nonmalignant diseases has increased in recent years. Endocrine complications are common after HSCT for malignant diseases, while little is known about long-term ... ...

    Abstract The number of children undergoing hematopoietic stem cell transplantation (HSCT) for nonmalignant diseases has increased in recent years. Endocrine complications are common after HSCT for malignant diseases, while little is known about long-term prevalence and risk factors in children transplanted for nonmalignant diseases. We retrospectively evaluated gonadal function, near adult height and thyroid function in 197 survivors of pediatric HSCT for hemoglobinopathies (n = 66), inborn errors of immunity/metabolism (n = 74) and bone marrow failure disorders (n = 57); median follow-up was 6.2 years (range 3.0-10.5). Gonadal dysfunction occurred in 55% of (post)pubertal females, was still present at last assessment in 43% and was more common after busulfan- than treosulfan-based conditioning (HR 10.6, CI 2.2-52.7; adjusted for HSCT indication). Gonadal dysfunction occurred in 39% of (post)pubertal males, was still present at last assessment in 32% and was less common in those who were prepubertal compared to (post)pubertal at HSCT (HR 0.11; CI 0.05-0.21). Near adult height was more than 2 SDS below mean parental height in 21% of males and 8% of females. Hypothyroidism occurred in 16% of patients; 4% received thyroxin treatment. In conclusion, endocrine complications, especially gonadal dysfunction, are common after pediatric HSCT for nonmalignant conditions. In females, treosulfan seems less gonadotoxic than busulfan. Careful long-term endocrine follow-up is indicated.
    MeSH term(s) Adult ; Busulfan/adverse effects ; Busulfan/analogs & derivatives ; Child ; Female ; Hematopoietic Stem Cell Transplantation/adverse effects ; Humans ; Male ; Retrospective Studies ; Thyroxine ; Transplantation Conditioning/adverse effects
    Chemical Substances treosulfan (CO61ER3EPI) ; Busulfan (G1LN9045DK) ; Thyroxine (Q51BO43MG4)
    Language English
    Publishing date 2022-07-15
    Publishing country England
    Document type Journal Article
    ZDB-ID 632854-4
    ISSN 1476-5365 ; 0268-3369 ; 0951-3078
    ISSN (online) 1476-5365
    ISSN 0268-3369 ; 0951-3078
    DOI 10.1038/s41409-022-01755-x
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: The variability conundrum in neurometabolic degenerative diseases.

    van Karnebeek, Clara D M / Richmond, Phillip A / van der Kloet, Frans / Wasserman, Wyeth W / Engelen, Marc / Kemp, Stephan

    Molecular genetics and metabolism

    2020  Volume 131, Issue 4, Page(s) 367–369

    MeSH term(s) Age of Onset ; Humans ; Infant, Newborn ; Metabolic Diseases/complications ; Metabolic Diseases/diagnosis ; Metabolic Diseases/epidemiology ; Metabolic Diseases/genetics ; Neonatal Screening ; Neurodegenerative Diseases/complications ; Neurodegenerative Diseases/diagnosis ; Neurodegenerative Diseases/epidemiology ; Neurodegenerative Diseases/genetics
    Language English
    Publishing date 2020-11-06
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 1418518-0
    ISSN 1096-7206 ; 1096-7192
    ISSN (online) 1096-7206
    ISSN 1096-7192
    DOI 10.1016/j.ymgme.2020.11.002
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: The Genomes of the Livebearing Fish Species Poeciliopsis retropinna and Poeciliopsis turrubarensis Reflect Their Different Reproductive Strategies.

    van Kruistum, Henri / Guernsey, Michael W / Baker, Julie C / Kloet, Susan L / Groenen, Martien A M / Pollux, Bart J A / Megens, Hendrik-Jan

    Molecular biology and evolution

    2020  Volume 37, Issue 5, Page(s) 1376–1386

    Abstract: The evolution of a placenta is predicted to be accompanied by rapid evolution of genes involved in processes that regulate mother-offspring interactions during pregnancy, such as placenta formation, embryonic development, and nutrient transfer to ... ...

    Abstract The evolution of a placenta is predicted to be accompanied by rapid evolution of genes involved in processes that regulate mother-offspring interactions during pregnancy, such as placenta formation, embryonic development, and nutrient transfer to offspring. However, these predictions have only been tested in mammalian species, where only a single instance of placenta evolution has occurred. In this light, the genus Poeciliopsis is a particularly interesting model for placenta evolution, because in this genus a placenta has evolved independently from the mammalian placenta. Here, we present and compare genome assemblies of two species of the livebearing fish genus Poeciliopsis (family Poeciliidae) that differ in their reproductive strategy: Poeciliopsis retropinna which has a well-developed complex placenta and P. turrubarensis which lacks a placenta. We applied different assembly strategies for each species: PacBio sequencing for P. retropinna (622-Mb assembly, scaffold N50 of 21.6 Mb) and 10× Genomics Chromium technology for P. turrubarensis (597-Mb assembly, scaffold N50 of 4.2 Mb). Using the high contiguity of these genome assemblies and near-completeness of gene annotations to our advantage, we searched for gene duplications and performed a genome-wide scan for genes evolving under positive selection. We find rapid evolution in major parts of several molecular pathways involved in parent-offspring interaction in P. retropinna, both in the form of gene duplications as well as positive selection. We conclude that the evolution of the placenta in the genus Poeciliopsis is accompanied by rapid evolution of genes involved in similar genomic pathways as found in mammals.
    MeSH term(s) Animals ; Cyprinodontiformes/genetics ; Female ; Gene Duplication ; Genome ; Life History Traits ; Male ; Placenta ; Pregnancy ; Selection, Genetic ; Viviparity, Nonmammalian/genetics
    Language English
    Publishing date 2020-01-17
    Publishing country United States
    Document type Comparative Study ; Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, U.S. Gov't, Non-P.H.S.
    ZDB-ID 998579-7
    ISSN 1537-1719 ; 0737-4038
    ISSN (online) 1537-1719
    ISSN 0737-4038
    DOI 10.1093/molbev/msaa011
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  10. Article ; Online: Genetic variation of the mineralocorticoid receptor gene (MR, NR3C2) is associated with a conceptual endophenotype of "CRF-hypoactivity".

    Kumsta, Robert / Kliegel, David / Linden, Michael / DeRijk, Roel / de Kloet, E Ron

    Psychoneuroendocrinology

    2018  Volume 105, Page(s) 79–85

    Abstract: Recently, the "conceptual endophenotype" approach has been proposed as a means to identify subgroups of patients affected by stress-related psychiatric disorders. Conceptual endophenotypes consist of patterns of psychological, biological, and symptomatic ...

    Abstract Recently, the "conceptual endophenotype" approach has been proposed as a means to identify subgroups of patients affected by stress-related psychiatric disorders. Conceptual endophenotypes consist of patterns of psychological, biological, and symptomatic elements. We studied a sample of patients seeking help for psychosomatic and stress-related disorders (total N = 469), who were evaluated with a diagnostic instrument that integrates psychological and biological data to derive 13 endophenotypes, or Neuropattern. The goal of this study was to explore associations between common variations of the mineralocorticoid receptor gene (MR, NR3C2), and the 13 conceptual endophenotypes of Neuropattern, as well as with the respective biological and symptom measures. A common haplotype of the MR, comprised of two functional single nucleotide polymorphism (rs2070951 G/C & rs5522 A/G), was associated with the conceptual endophenotype CRF-hypoactivity, characterized by low cortisol levels at awakening and a symptom constellation often observed in atypical depression. Homozygous carriers of the G-A haplotype (haplotype 1), previously associated with reduced dispositional optimism, increased levels of rumination and higher risk for depression, more frequently endorsed this Neuropattern. In addition to the overall association between MR variation and CRF hypoactivity, we observed in the whole sample significant associations between MR haplotypes and cortisol awakening response patterns, as well as with symptoms that characterize the CRF hypoactivity endophenotype. If replicated, MR haplotype 1 might serve as a vulnerability marker for a disorder class characterized in biological terms by reduced cortisol levels, and in terms of symptom constellation by features often observed in atypical depression.
    MeSH term(s) Adolescent ; Adult ; Aged ; Corticotropin-Releasing Hormone/metabolism ; Depressive Disorder/diagnosis ; Depressive Disorder/genetics ; Depressive Disorder/metabolism ; Depressive Disorder/physiopathology ; Endophenotypes ; Female ; Haplotypes ; Humans ; Hydrocortisone/metabolism ; Male ; Middle Aged ; Receptors, Mineralocorticoid/genetics ; Young Adult
    Chemical Substances NR3C2 protein, human ; Receptors, Mineralocorticoid ; Corticotropin-Releasing Hormone (9015-71-8) ; Hydrocortisone (WI4X0X7BPJ)
    Language English
    Publishing date 2018-09-27
    Publishing country England
    Document type Journal Article
    ZDB-ID 197636-9
    ISSN 1873-3360 ; 0306-4530
    ISSN (online) 1873-3360
    ISSN 0306-4530
    DOI 10.1016/j.psyneuen.2018.09.036
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