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  1. Article ; Online: Half a Century of Graft Survival After Deceased-Donor Kidney Transplantation: A Case Report.

    Kremer, Daan / Bakker, Stephan J L / Berger, Stefan P

    Kidney international reports

    2023  Volume 8, Issue 5, Page(s) 1123–1124

    Language English
    Publishing date 2023-03-11
    Publishing country United States
    Document type Journal Article
    ISSN 2468-0249
    ISSN (online) 2468-0249
    DOI 10.1016/j.ekir.2023.03.006
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Successful Kidney Transplantation Despite Ongoing Chronic Norovirus Infection.

    Kremer, Daan / Berger, Stefan P / Verschuuren, Erik A M / Bakker, Stephan J L / Knoester, Marjolein

    Kidney international reports

    2023  Volume 9, Issue 2, Page(s) 491–494

    Language English
    Publishing date 2023-12-02
    Publishing country United States
    Document type Case Reports
    ISSN 2468-0249
    ISSN (online) 2468-0249
    DOI 10.1016/j.ekir.2023.11.028
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Follow-Up of Offspring Born to Parents With a Solid Organ Transplantation: A Systematic Review.

    Meinderts, Jildau R / Prins, Jelmer R / Berger, Stefan P / De Jong, Margriet F C

    Transplant international : official journal of the European Society for Organ Transplantation

    2022  Volume 35, Page(s) 10565

    Abstract: Pregnancy after solid organ transplantation (SOT) has potential risks for the offspring. Most existing research focused on short-term pregnancy outcomes. The aim of this systematic review was to evaluate available data concerning longer term outcomes (>1  ...

    Abstract Pregnancy after solid organ transplantation (SOT) has potential risks for the offspring. Most existing research focused on short-term pregnancy outcomes. The aim of this systematic review was to evaluate available data concerning longer term outcomes (>1 year) of these children. A systematic literature search, following PRISMA guidelines, of PubMed and Embase was performed from the earliest date of inception through to 6th April 2022. Publications on all types of (combined) SOT were eligible for inclusion. In total, 53 articles were included. The majority assessed offspring after kidney (78% of offspring) or liver transplantation (17% of offspring). 33 studies included offspring aged >4 years and five offspring aged >18 years. One study was included on fathers with SOT. The majority of the 1,664 included children after maternal SOT had normal intellectual, psychomotor, and behavioral development. Although prematurity and low birth weight were commonly present, regular growth after 1 year of age was described. No studies reported opportunistic or chronic infections or abnormal response to vaccinations. In general, pregnancy after SOT appears to have reassuring longer term outcomes for the offspring. However, existing information is predominantly limited to studies with young children. Longer prospective studies with follow-up into adulthood of these children are warranted.
    MeSH term(s) Adult ; Child ; Child, Preschool ; Female ; Follow-Up Studies ; Humans ; Organ Transplantation/adverse effects ; Parents ; Pregnancy ; Pregnancy Outcome ; Prospective Studies
    Language English
    Publishing date 2022-08-05
    Publishing country Switzerland
    Document type Journal Article ; Review ; Systematic Review
    ZDB-ID 639435-8
    ISSN 1432-2277 ; 0934-0874
    ISSN (online) 1432-2277
    ISSN 0934-0874
    DOI 10.3389/ti.2022.10565
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Urinary vanin-1, tubular injury, and graft failure in kidney transplant recipients.

    Alkaff, Firas F / Kremer, Daan / Niekolaas, Tessa M / van den Born, Jacob / Rimbach, Gerald / Tseng, Tzu-Ling / Berger, Stefan P / Bakker, Stephan J L / de Borst, Martin H

    Scientific reports

    2024  Volume 14, Issue 1, Page(s) 2283

    Abstract: We investigated whether urinary vascular non-inflammatory molecule-1 (vanin-1), a promising early-onset tubular injury marker, correlates with other established tubular injury markers and is associated with graft failure in kidney transplant recipients ( ... ...

    Abstract We investigated whether urinary vascular non-inflammatory molecule-1 (vanin-1), a promising early-onset tubular injury marker, correlates with other established tubular injury markers and is associated with graft failure in kidney transplant recipients (KTR). We measured 24 h urinary vanin-1 excretion in 656 KTR (age 53 ± 13 years, 43% female, estimated glomerular filtration rate (eGFR) 53 ± 21 mL/min/1.73 m
    MeSH term(s) Humans ; Female ; Male ; Adult ; Middle Aged ; Aged ; Kidney Transplantation/adverse effects ; Lipocalin-2 ; Glomerular Filtration Rate ; Urinary Tract ; Proportional Hazards Models ; Biomarkers ; Kidney ; Transplant Recipients
    Chemical Substances Lipocalin-2 ; Biomarkers
    Language English
    Publishing date 2024-01-27
    Publishing country England
    Document type Journal Article
    ZDB-ID 2615211-3
    ISSN 2045-2322 ; 2045-2322
    ISSN (online) 2045-2322
    ISSN 2045-2322
    DOI 10.1038/s41598-024-52635-x
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Pre-donation Assessment of Cystatin C to Improve Prediction of Pre- and Post-Donation GFR in Potential Living Kidney Donors.

    van der Weijden, Jessica / Kremer, Daan / Westenberg, Lisa B / Sanders, Jan-Stephan F / Pol, Robert A / Nolte, Ilja M / De Borst, Martin H / Berger, Stefan P / Bakker, Stephan J L / van Londen, Marco

    Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association

    2024  

    Abstract: Background and hypothesis: Accurate estimation of glomerular filtration rate (GFR) is crucial in living kidney donation. While most eGFR equations are based on plasma creatinine, its levels are strongly influenced by muscle mass. Application of cystatin ...

    Abstract Background and hypothesis: Accurate estimation of glomerular filtration rate (GFR) is crucial in living kidney donation. While most eGFR equations are based on plasma creatinine, its levels are strongly influenced by muscle mass. Application of cystatin C (CysC)-based estimates before donation may improve both estimation of current GFR and prediction of post-donation GFR.
    Methods: We assessed the performance of CKD-EPI equations based on creatinine (eGFRcreat-2009, eGFRcreat-2021), cystatin C (eGFRCysC-2012), or both (eGFRcombined-2012, eGFRcombined-2021) for estimating pre- and post-donation measured GFR in 486 living kidney donors. We subsequently focused on a subgroup of individuals with high/low muscle mass (25% highest/lowest 24-hour urinary creatinine excretion, sex-stratified and height-indexed).
    Results: Pre-donation eGFRcombined 2012 and eGFRcombined 2021 showed the strongest associations with pre- and post-donation mGFR. Pre-donation eGFRcombined 2021 was most accurate for estimating both pre-donation (bias 0.01±11.9 mL/min/1.73m2) and post-donation mGFR (bias 1.3±8.5 mL/min/1.73 m2). In donors with high/low muscle mass, CysC-based equations (with or without creatinine) performed better compared to equations based on only creatinine.
    Conclusions: In conclusion, combined eGFR equations yielded a better estimate of pre- and post-donation mGFR, compared to estimates based on creatinine or CysC only. The added value of CysC seems particularly pronounced in donors with high or low muscle mass.
    Language English
    Publishing date 2024-03-13
    Publishing country England
    Document type Journal Article
    ZDB-ID 90594-x
    ISSN 1460-2385 ; 0931-0509
    ISSN (online) 1460-2385
    ISSN 0931-0509
    DOI 10.1093/ndt/gfae065
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Iron deficiency, anemia, and patient-reported outcomes in kidney transplant recipients.

    Kremer, Daan / Knobbe, Tim J / Vinke, Joanna Sophia J / Groothof, Dion / Post, Adrian / Annema, Coby / Abrahams, Alferso C / van Jaarsveld, Brigit C / de Borst, Martin H / Berger, Stefan P / Bakker, Stephan J L / Eisenga, Michele F

    American journal of transplantation : official journal of the American Society of Transplantation and the American Society of Transplant Surgeons

    2024  

    Abstract: Kidney transplant recipients (KTRs) experience more fatigue, anxiety, and depressive symptoms and lower concentration and health-related quality of life (HRQoL) compared with the general population. Anemia is a potential cause that is well-recognized and ...

    Abstract Kidney transplant recipients (KTRs) experience more fatigue, anxiety, and depressive symptoms and lower concentration and health-related quality of life (HRQoL) compared with the general population. Anemia is a potential cause that is well-recognized and treated. Iron deficiency, however, is often unrecognized, despite its potential detrimental effects related to and unrelated to anemia. We investigated the interplay of anemia, iron deficiency, and patient-reported outcomes in 814 outpatient KTRs (62% male, age 56 ± 13 years) enrolled in the TransplantLines Biobank and Cohort Study (Groningen, The Netherlands). In total, 28% had iron deficiency (ie, transferrin saturation < 20% and ferritin < 100 μg/L), and 29% had anemia (World Health Organization criteria). In linear regression analyses, iron deficiency, but not anemia, was associated with more fatigue, worse concentration, lower wellbeing, more anxiety, more depressive symptoms, and lower HRQoL, independent of age, sex, estimated glomerular filtration rate, anemia, and other potential confounders. In the fully adjusted logistic regression models, iron deficiency was associated with an estimated 53% higher risk of severe fatigue, a 100% higher risk of major depressive symptoms, and a 51% higher chance of being at risk for sick leave/work disability. Clinical trials are needed to investigate the effect of iron deficiency correction on patient-reported outcomes and HRQoL in KTRs.
    Language English
    Publishing date 2024-03-15
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2060594-8
    ISSN 1600-6143 ; 1600-6135
    ISSN (online) 1600-6143
    ISSN 1600-6135
    DOI 10.1016/j.ajt.2024.03.017
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  7. Article ; Online: Antigen and Cell-Based Assays for the Detection of Non-HLA Antibodies.

    Lammerts, Rosa G M / Altulea, Dania / Hepkema, Bouke G / Sanders, Jan-Stephan / van den Born, Jacob / Berger, Stefan P

    Frontiers in immunology

    2022  Volume 13, Page(s) 864671

    Abstract: To date, human leukocyte antigens (HLA) have been the major focus in the approach to acute and chronic antibody-mediated rejection (AMBR) in solid-organ transplantation. However, evidence from the clinic and published studies has shown that non-HLA ... ...

    Abstract To date, human leukocyte antigens (HLA) have been the major focus in the approach to acute and chronic antibody-mediated rejection (AMBR) in solid-organ transplantation. However, evidence from the clinic and published studies has shown that non-HLA antibodies, particularly anti-endothelial cell antibodies (AECAs), are found either in the context of AMBR or synergistically in the presence of donor-specific anti-HLA antibodies (DSA). Numerous studies have explored the influence of AECAs on clinical outcomes, yet the determination of the exact clinical relevance of non-HLA antibodies in organ transplantation is not fully established. This is due to highly heterogeneous study designs including differences in testing methods and outcome measures. Efforts to develop reliable and sensitive diagnostic non-HLA antibody tests are continuously made. This is essential considering the technical difficulties of non-HLA antibody assays and the large variation in reported incidences of antibodies. In addition, it is important to take donor specificity into account in order to draw clinically relevant conclusions from non-HLA antibody assays. Here, we provide an overview of non-HLA solid-phase and cell-based crossmatch assays for use in solid-organ transplantation that are currently available, either in a research setting or commercially.
    MeSH term(s) Graft Rejection/diagnosis ; HLA Antigens ; Humans ; Organ Transplantation ; Tissue Donors
    Chemical Substances HLA Antigens
    Language English
    Publishing date 2022-05-06
    Publishing country Switzerland
    Document type Journal Article ; Review ; Research Support, Non-U.S. Gov't
    ZDB-ID 2606827-8
    ISSN 1664-3224 ; 1664-3224
    ISSN (online) 1664-3224
    ISSN 1664-3224
    DOI 10.3389/fimmu.2022.864671
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Enhanced Humoral Immune Response After COVID-19 Vaccination in Elderly Kidney Transplant Recipients on Everolimus Versus Mycophenolate Mofetil-containing Immunosuppressive Regimens.

    de Boer, Silke E / Berger, Stefan P / van Leer-Buter, Coretta C / Kroesen, Bart-Jan / van Baarle, Debbie / Sanders, Jan-Stephan F

    Transplantation

    2022  Volume 106, Issue 8, Page(s) 1615–1621

    Abstract: Background: Elderly kidney transplant recipients (KTRs) represent almost one third of the total kidney transplant population. These patients have a very high coronavirus disease 2019 (COVID-19)-related mortality, whereas their response to COVID-19 ... ...

    Abstract Background: Elderly kidney transplant recipients (KTRs) represent almost one third of the total kidney transplant population. These patients have a very high coronavirus disease 2019 (COVID-19)-related mortality, whereas their response to COVID-19 vaccination is impaired. Finding ways to improve the COVID-19 vaccination response in this vulnerable population is of uttermost importance.
    Methods: In the OPTIMIZE trial, we randomly assign elderly KTRs to an immunosuppressive regimen with standard-exposure calcineurin inhibitor (CNI), mycophenolate mofetil, and prednisolone or an adapted regimen with low dose CNI, everolimus, and prednisolone. In this substudy, we measured the humoral response after 2 (N = 32) and 3 (N = 22) COVID-19 mRNA vaccinations and the cellular response (N = 15) after 2 vaccinations.
    Results: . The seroconversion rates of elderly KTRs on a standard immunosuppressive regimen were only 13% and 38% after 2 and 3 vaccinations, respectively, whereas the response rates of KTRs on the everolimus regimen were significantly higher at 56% ( P = 0.009) and 100% ( P = 0.006). Levels of severe acute respiratory syndrome coronaVirus 2 IgG antibodies were significantly higher at both time points in the everolimus group ( P = 0.004 and P < 0.001). There were no differences in cellular response after vaccination.
    Conclusions: An immunosuppressive regimen without mycophenolate mofetil, a lower CNI dose, and usage of everolimus is associated with a higher humoral response rate after COVID-19 vaccination in elderly KTRs after transplantation. This encouraging finding should be investigated in larger cohorts, including transplant recipients of all ages.
    MeSH term(s) Aged ; COVID-19/prevention & control ; COVID-19 Vaccines/immunology ; Calcineurin Inhibitors ; Everolimus/therapeutic use ; Humans ; Immunity, Humoral ; Immunosuppressive Agents/therapeutic use ; Kidney Transplantation/adverse effects ; Mycophenolic Acid ; Prednisolone ; Transplant Recipients ; Vaccination
    Chemical Substances COVID-19 Vaccines ; Calcineurin Inhibitors ; Immunosuppressive Agents ; Everolimus (9HW64Q8G6G) ; Prednisolone (9PHQ9Y1OLM) ; Mycophenolic Acid (HU9DX48N0T)
    Language English
    Publishing date 2022-05-11
    Publishing country United States
    Document type Journal Article ; Randomized Controlled Trial
    ZDB-ID 208424-7
    ISSN 1534-6080 ; 0041-1337
    ISSN (online) 1534-6080
    ISSN 0041-1337
    DOI 10.1097/TP.0000000000004177
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  9. Article ; Online: Chronic kidney disease after lung transplantation in a changing era.

    Grootjans, Heleen / Verschuuren, Erik A M / van Gemert, Johanna P / Kerstjens, Huib A M / Bakker, Stephan J L / Berger, Stefan P / Gan, C Tji

    Transplantation reviews (Orlando, Fla.)

    2022  Volume 36, Issue 4, Page(s) 100727

    Abstract: Lung transplant (LTx) physicians are responsible for highly complex post-LTx care, including monitoring of kidney function and responding to kidney function loss. Better survival of the LTx population and changing patient characteristics, including older ...

    Abstract Lung transplant (LTx) physicians are responsible for highly complex post-LTx care, including monitoring of kidney function and responding to kidney function loss. Better survival of the LTx population and changing patient characteristics, including older age and increased comorbidity, result in growing numbers of LTx patients with chronic kidney disease (CKD). CKD after LTx is correlated with worse survival, decreased quality of life and high costs. Challenges lie in different aspects of post-LTx renal care. First, serum creatinine form the basis for estimating renal function, under the assumption that patients have stable muscle mass. Low or changes in muscle mass is frequent in the LTx population and may lead to misclassification of CKD. Second, standardizing post-LTx monitoring of kidney function and renal care might contribute to slow down CKD progression. Third, new treatment options for CKD risk factors, such as diabetes mellitus, proteinuria and heart failure, have entered clinical practice. These new treatments have not been studied in LTx yet but are of interest for future use. In this review we will address the difficult aspects of post-LTx renal care and evaluate new and promising future approaches to slow down CKD progression.
    MeSH term(s) Humans ; Quality of Life ; Renal Insufficiency, Chronic/surgery ; Lung Transplantation/adverse effects ; Diabetes Mellitus
    Language English
    Publishing date 2022-09-15
    Publishing country United States
    Document type Journal Article ; Review
    ZDB-ID 639400-0
    ISSN 1557-9816 ; 0955-470X
    ISSN (online) 1557-9816
    ISSN 0955-470X
    DOI 10.1016/j.trre.2022.100727
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: High-Density Lipoprotein Particles and Torque Teno Virus in Stable Outpatient Kidney Transplant Recipients.

    Jonker, Jip / Doorenbos, Caecilia S E / Kremer, Daan / Gore, Edmund J / Niesters, Hubert G M / van Leer-Buter, Coretta / Bourgeois, Philippe / Connelly, Margery A / Dullaart, Robin P F / Berger, Stefan P / Sanders, Jan-Stephan F / Bakker, Stephan J L

    Viruses

    2024  Volume 16, Issue 1

    Abstract: Torque teno virus (TTV) is emerging as a potential marker for monitoring immune status. In transplant recipients who are immunosuppressed, higher TTV DNA loads are observed than in healthy individuals. TTV load measurement may aid in optimizing ... ...

    Abstract Torque teno virus (TTV) is emerging as a potential marker for monitoring immune status. In transplant recipients who are immunosuppressed, higher TTV DNA loads are observed than in healthy individuals. TTV load measurement may aid in optimizing immunosuppressive medication dosing in solid organ transplant recipients. Additionally, there is a growing interest in the role of HDL particles in immune function; therefore, assessment of both HDL concentrations and TTV load may be of interest in transplant recipients. The objective of this study was to analyze TTV loads and HDL parameters in serum samples collected at least one year post-transplantation from 656 stable outpatient kidney transplant recipients (KTRs), enrolled in the TransplantLines Food and Nutrition Cohort (Groningen, the Netherlands). Plasma HDL particles and subfractions were measured using nuclear magnetic resonance spectroscopy. Serum TTV load was measured using a quantitative real-time polymerase chain reaction. Associations between HDL parameters and TTV load were examined using univariable and multivariable linear regression. The median age was 54.6 [IQR: 44.6 to 63.1] years, 43.3% were female, the mean eGFR was 52.5 (±20.6) mL/min/1.73 m
    MeSH term(s) Humans ; Female ; Middle Aged ; Male ; Transplant Recipients ; Kidney Transplantation/adverse effects ; Outpatients ; Torque teno virus/genetics ; Lipoproteins, HDL
    Chemical Substances Lipoproteins, HDL
    Language English
    Publishing date 2024-01-18
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2516098-9
    ISSN 1999-4915 ; 1999-4915
    ISSN (online) 1999-4915
    ISSN 1999-4915
    DOI 10.3390/v16010143
    Database MEDical Literature Analysis and Retrieval System OnLINE

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