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Topalov NE, Mayr D, Kuhn C, Leutbecher A, Scherer C, Kraus FBT, Tauber CV, Beyer S, Meister S, Hester A, Kolben T, Burges A, Mahner S, Trillsch F, Kessler M, Jeschke U, Czogalla B. Characterization and prognostic impact of ACTBL2-positive tumor-infiltrating leukocytes in epithelial ovarian cancer. Sci Rep 2023; 13:22620. [PMID: 38114558 PMCID: PMC10730610 DOI: 10.1038/s41598-023-49286-9] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Accepted: 12/06/2023] [Indexed: 12/21/2023] Open
Abstract
Actin beta-like 2 (ACTBL2) was recently identified as a new mediator of migration in ovarian cancer cells. Yet, its impact on tumor-infiltrating and thus migrating leukocytes (TILs) remains to date unknown. This study characterizes the subset of ACTBL2-expressing TILs in epithelial ovarian cancer (EOC) and elucidates their prognostic influence on the overall survival of EOC patients with special regard to different histological subtypes. Comprehensive immunohistochemical analyses of Tissue-Microarrays of 156 ovarian cancer patients revealed, that a tumor infiltration by ACTBL2-positive leukocytes was significantly associated with an improved overall survival (OS) (61.2 vs. 34.4 months; p = 0.006) and was identified as an independent prognostic factor (HR = 0.556; p = 0.038). This significant survival benefit was particularly evident in patients with low-grade serous carcinoma (OS: median not reached vs. 15.6 months, p < 0.001; HR = 0.058, p = 0.018). In the present cohort, ACTBL2-positive TILs were mainly composed of CD44-positive cytotoxic T-cells (CD8+) and macrophages (CD68+), as depicted by double-immunofluorescence and various immunohistochemical serial staining. Our results provide significant evidence of the prognostic impact and cellular composition of ACTBL2-expressing TILs in EOC. Complementary studies are required to analyze the underlying molecular mechanisms of ACTBL2 as a marker for activated migrating leukocytes and to further characterize its immunological impact on ovarian carcinogenesis.
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Affiliation(s)
- N E Topalov
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, Munich, Germany.
| | - D Mayr
- Institute of Pathology, Faculty of Medicine, University Hospital, LMU Munich, Munich, Germany
| | - C Kuhn
- Department of Obstetrics and Gynecology, University Hospital Augsburg, Augsburg, Germany
| | - A Leutbecher
- Laboratory for Translational Cancer Immunology, LMU Gene Center, Munich, Germany
- Department of Medicine III, University Hospital, LMU Munich, Munich, Germany
| | - C Scherer
- Department of Medicine I, University Hospital, LMU Munich, Munich, Germany
| | - F B T Kraus
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, Munich, Germany
| | - C V Tauber
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, Munich, Germany
| | - S Beyer
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, Munich, Germany
| | - S Meister
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, Munich, Germany
| | - A Hester
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, Munich, Germany
| | - T Kolben
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, Munich, Germany
| | - A Burges
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, Munich, Germany
| | - S Mahner
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, Munich, Germany
| | - F Trillsch
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, Munich, Germany
| | - M Kessler
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, Munich, Germany
| | - U Jeschke
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, Munich, Germany
- Department of Obstetrics and Gynecology, University Hospital Augsburg, Augsburg, Germany
| | - B Czogalla
- Department of Obstetrics and Gynecology, University Hospital, LMU Munich, Munich, Germany
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2
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Groeger M, Zeiml K, Scheffler JK, Schoesser F, Schneider LM, Rottbauer W, Markovic S, Kessler M. Edge-to-edge mitral valve repair improves concomitant high-grade tricuspid regurgitation. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.1575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Mitral regurgitation (MR) and tricuspid regurgitation (TR) often occur simultaneously and symptoms of biventricular heart failure can overlap. There is currently no consensus on the management of combined MR and TR.
Purpose
To evaluate the impact of TR on echocardiographic and functional outcome after M-TEER.
Methods
740 patients underwent M-TEER for moderate-to-severe MR at our center from 2010 to 2021. Patients were analyzed according to severity of concomitant TR: low-grade TR (grade ≤ I (trace - mild)), moderate TR (grade II) and high-grade TR (grade III - V (severe - torrential)). After M-TEER, patients were followed up for 12 months and their echocardiographic and functional outcome was evaluated.
Results
Low-grade TR was present in 279 patients (37.7%), moderate TR in 170 patients (23.0%) and high-grade TR in 291 patients (39.3%) at the time of M-TEER procedure. Patients with moderate to high-grade TR had higher morbidity resulting in higher EuroSCORE II and STS-Score. At baseline more patients had MR grade ≥III in the high-grade TR group (92.8% vs. 87.1% in the low-grade TR group; p=0.023).
Procedural success of M-TEER was achieved similarly in all groups (98.2% vs. 97.6% vs. 95.9%, p=0.22). At discharge 87.6% of patients with low-grade TR and 80.9% of patients with high-grade TR had residual MR grade ≤I (p=0.036). Residual MR grade ≥III was present in 6.0% of low-grade TR patients and 10.5% of high-grade TR patients at discharge (p=0.062). 3 months after M-TEER residual MR ≥III increased to 9.4% vs. 13.4% (p=0.23) and after 12 months further increased to 12.3% vs. 15.3%, respectively (p=0.52).
TR grade decreased rapidly and consistently after M-TEER. 3 months after the procedure only 48.0% of high-grade TR patients still had TR grade ≥III (p<0.001). After 12 months this proportion declined to 46.8% (p=0.99).
High-grade TR patients had significantly higher mortality (21.5% vs. 18.2% vs. 11.1%, p=0.003) up to 12 months after M-TEER. However, TR-grade ≥III did not independently predict mortality (HR 1.326, 95% CI 0.623–2.824, p=0.46).
Conclusion
M-TEER patients with concomitant moderate to high-grade TR had higher morbidity at baseline compared to low-grade TR patients. M-TEER was safe and effective in MR reduction independent of concomitant TR severity. However, high-grade TR patients had an increased risk for mortality after M-TEER, but high-grade TR did not independently predict adverse outcome. After M-TEER TR grade decreased rapidly and significantly in the high-grade TR group.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
| | - K Zeiml
- University of Ulm , Ulm , Germany
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3
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Köpke BM, Garrido F, Vilsmaier T, Zati Zehni A, Kessler M, Mahner S, Chateau MC, Boissière-Michot F, Cavailles V, Dannecker C, Jeschke U, Ditsch N. Einfluss von Kernrezeptor-Expression und Einstrom von Tumor-infiltrierenden Lymphozyten auf das Überleben von Brustkrebspatientinnen. Geburtshilfe Frauenheilkd 2022. [DOI: 10.1055/s-0042-1749032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
Affiliation(s)
- B M Köpke
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum, Augsburg
| | - F Garrido
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum, Augsburg
| | - T Vilsmaier
- Klinik und Poliklinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum der LMU, München
| | - A Zati Zehni
- Klinik und Poliklinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum der LMU, München
| | - M Kessler
- Klinik und Poliklinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum der LMU, München
| | - S Mahner
- Klinik und Poliklinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum der LMU, München
| | - M-C Chateau
- Institut Régional du Cancer de Montpellier (ICM), Montpellier, France
| | | | | | - C Dannecker
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum, Augsburg
| | - U Jeschke
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum, Augsburg
| | - N Ditsch
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum, Augsburg
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Müller L, Mitter S, Mannewitz M, Keilmann L, Meister S, Kolben MT, Schmoeckel E, Burges A, Trillsch F, Czogalla B, Jeschke U, Kessler M, Mahner S, Kolben T, Beyer S. Die Blutgruppenantigene SLeX, SLeA and Lewis Y als potenziell prognostische Faktoren im Endometrium- und Zervixkarzinom. Geburtshilfe Frauenheilkd 2022. [DOI: 10.1055/s-0042-1749058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Affiliation(s)
- L Müller
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum der LMU, München
| | - S Mitter
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum der LMU, München
| | - M Mannewitz
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum der LMU, München
| | - L Keilmann
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum der LMU, München
| | - S Meister
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum der LMU, München
| | - M T Kolben
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum der LMU, München
| | - E Schmoeckel
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum, Augsburg
| | - A Burges
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum der LMU, München
| | - F Trillsch
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum der LMU, München
| | - B Czogalla
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum der LMU, München
| | - U Jeschke
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum der LMU, München
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum, Augsburg
| | - M Kessler
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum der LMU, München
| | - S Mahner
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum der LMU, München
| | - T Kolben
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum der LMU, München
| | - S Beyer
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum der LMU, München
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5
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Mitter S, Müller L, Mannewitz M, Keilmann L, Meister S, Kolben MT, Schmoeckel E, Burges A, Trillsch F, Czogalla B, Mahner S, Kessler M, Jeschke U, Kolben T, Beyer S. RIG-I – Expression als negativer prognostischer Faktor im Endometriumkarzinom. Geburtshilfe Frauenheilkd 2022. [DOI: 10.1055/s-0042-1749057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
Affiliation(s)
- S Mitter
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum der LMU, München
| | - L Müller
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum der LMU, München
| | - M Mannewitz
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum der LMU, München
| | - L Keilmann
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum der LMU, München
| | - S Meister
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum der LMU, München
| | - M T Kolben
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum der LMU, München
| | - E Schmoeckel
- Pathologisches Institut, Universitätsklinikum der LMU, München
| | - A Burges
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum der LMU, München
| | - F Trillsch
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum der LMU, München
| | - B Czogalla
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum der LMU, München
| | - S Mahner
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum der LMU, München
| | - M Kessler
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum der LMU, München
| | - U Jeschke
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum der LMU, München
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum, Augsburg
| | - T Kolben
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum der LMU, München
| | - S Beyer
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum der LMU, München
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6
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Schneider M, Köpke MB, Vilsmaier T, Zati Zehni A, Kessler M, Shao W, Mahner S, Cavailles V, Dannecker C, Jeschke U, Ditsch N. Die nukleäre Expression des Thyroidhormon-Rezeptors alpha 2 (TRα2) ist ein unabhängiger positiver prognostischer Marker für Patientinnen mit Mammakarzinom. Geburtshilfe Frauenheilkd 2022. [DOI: 10.1055/s-0042-1749036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
Affiliation(s)
- M Schneider
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum, Augsburg
| | - MB Köpke
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum, Augsburg
| | - T Vilsmaier
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum der LMU, München
| | - A Zati Zehni
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum der LMU, München
| | - M Kessler
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum der LMU, München
| | - W Shao
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum der LMU, München
| | - S Mahner
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum der LMU, München
| | - V Cavailles
- IRCM-Institut de Recherche en Cancérologie de Montpellier, INSERM U1194, Montpellier
| | - C Dannecker
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum, Augsburg
| | - U Jeschke
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum, Augsburg
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum der LMU, München
| | - N Ditsch
- Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum, Augsburg
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Carvalho VCF, Kessler M, Fradinho JC, Oehmen A, Reis MAM. Achieving nitrogen and phosphorus removal at low C/N ratios without aeration through a novel phototrophic process. Sci Total Environ 2021; 793:148501. [PMID: 34171805 DOI: 10.1016/j.scitotenv.2021.148501] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 06/12/2021] [Accepted: 06/13/2021] [Indexed: 06/13/2023]
Abstract
Conventional wastewater treatment technologies for biological nutrient removal (BNR) are highly dependent on aeration for oxygen supply, which represents a major operational cost of the process. Recently, phototrophic enhanced biological phosphorus removal (photo-EBPR) has been suggested as an alternative system for phosphorus removal, based on a consortium of photosynthetic microorganisms and chemotrophic bacteria, eliminating the need for costly aeration. However, wastewater treatment plants must couple nitrogen and phosphorus removal to achieve discharge limits. For this reason, a new microalgae-bacterial based system for phosphorus and nitrogen removal is proposed in this work. The photo-BNR system studied here consists of a sequencing batch reactor operated with dark anaerobic, light aerobic, dark anoxic and idle periods, to allow both N and P removal. Results of the study show that the photo-BNR system was able to remove 100% of the 40 mg N/L of ammonia fed to the reactor and 94 ± 3% of the total nitrogen (Influent COD:N ratio of 300:40, similar to domestic wastewater). Moreover, an average of 25 ± 9.2 mg P/L was simultaneously removed in the photo-BNR tests, representing the P removal capacity of this system, which exceeds the level of P removal required from typical domestic wastewater. Full ammonia removal was achieved during the light phase, with 67 ± 5% of this ammonia being assimilated by the microbial culture and the remaining 33 ± 5% being converted into nitrate. The assimilated P corresponded to 2.8 ± 0.23 mg P/L, which only represented, approximately, 1/9 of the P removal capacity of the system. Half of the nitrified ammonia was subsequently denitrified during the dark anoxic phase (50 ± 24%). Overall, the photo-BNR system represents the first treatment alternative for N and P from domestic wastewater with no need of mechanical aeration or supplemental carbon addition, representing an alternative low-energy technology of interest.
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Affiliation(s)
- V C F Carvalho
- UCIBIO-REQUIMTE, Department of Chemistry, Faculty of Sciences and Technology, Universidade NOVA de Lisboa, 2829-516 Caparica, Portugal
| | - M Kessler
- UCIBIO-REQUIMTE, Department of Chemistry, Faculty of Sciences and Technology, Universidade NOVA de Lisboa, 2829-516 Caparica, Portugal
| | - J C Fradinho
- UCIBIO-REQUIMTE, Department of Chemistry, Faculty of Sciences and Technology, Universidade NOVA de Lisboa, 2829-516 Caparica, Portugal.
| | - A Oehmen
- School of Chemical Engineering, University of Queensland, Brisbane, QLD 4072, Australia
| | - M A M Reis
- UCIBIO-REQUIMTE, Department of Chemistry, Faculty of Sciences and Technology, Universidade NOVA de Lisboa, 2829-516 Caparica, Portugal
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Groeger M, Zeiml K, Scheffler J, Schoesser F, Schneider L, Rottbauer W, Markovic S, Kessler M. Severe tricuspid regurgitation worsens prognosis outcome after edge-to-edge mitral valve repair. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.1660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Introduction
MitraClip has been well established for treatment of severe mitral regurgitation (MR). MR and tricuspid regurgitation (TR) often occur simultaneously and symptoms of biventricular heart failure can overlap. While it has been shown that TR grade regression can be achieved through repair of MR1, presence of moderate to severe TR can increase all-cause mortality after MitraClip2. There is currently no consensus on the management of combined MR and TR. We evaluated the impact of TR on echocardiographic and functional outcome after MitraClip.
Methods
370 patients underwent MitraClip for moderate to severe MR at our center from 2010 to 2018. Patients were dichotomized into low grade TR (grade <I - I (trace - mild)) and high grade TR (grade III - V (severe - torrential)). Moderate TR (grade II) was excluded. After MitraClip for MR, patients were followed up for 12 months and their echocardiographic and functional outcome was evaluated. Use of diuretic drugs throughout 12 month follow-up was registered.
Results
Low grade TR (<I - I) occurred in 225 patients (67.0%), high grade TR (III - V) was present in 111 patients (33.0%). 34 patients (9.2%) with moderate TR (II) were excluded. Patients with high grade TR had an increased morbidity (higher age, worse renal function, higher prevalence of atrial fibrillation, higher levels of natriuretic peptides, increased left atrial and right heart diameters, higher TR gradient). These patients also received significantly higher doses of torasemid (33.5±36.7 mg vs. 21.6±20.9 mg, p=0.003) and furosemid (163.4±155.5 mg vs. 75.8±72.3 mg, p=0.01). Average grade of MR at baseline was similar in both groups (2.9±0.46 vs. 2.8±0.5, p=0.66).
Procedural success of MR repair was achieved similarly in both groups (96.4% vs. 96.9%, p=0.82) and residual MR grade immediately after device implantation was comparable (p=0.61). However, recurrent MR in the high grade TR group increased during follow up, while MR further decreased in the low grade TR group (3 months: 1.24±0.7 vs. 1.16±0.7, p=0.5; 12 months: 1.46±0.93 vs. 1.12±0.61, p=0.04). Accordingly, use of diuretic drugs after 12 months rose in the high grade TR group while it did not change or even decreased in the low grade TR group (torasemid: 40.2±48.4 mg vs. 24.1±30.0 mg, p=0.04; furosemid: 197.5±251.0 mg vs. 67.1±81.8 mg, p=0.22).
Kaplan-Meier-Analysis showed significantly higher mortality (24.9 vs. 14.1%, p=0.01), higher risk for heart failure induced rehospitalisation (25,4 vs. 12,5%, p=0.005) and for major adverse cardiac and cerebrovascular events (MACCE: 42.3 vs. 29.1%, p=0.008) in the high grade TR group after 12 months.
Conclusion
MitraClip patients for MR with concomitant high grade TR (≥ III) had an increased morbidity at baseline compared to low grade TR patients. By MitraClip comparable reduction of MR was achieved. However, during 12 month follow-up in the high grade TR group recurrent MR occurred more often while use of diuretics increased.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
| | - K Zeiml
- University of Ulm, Ulm, Germany
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Reck A, Kessler M. Melanocytic tumours of the nasal planum in cats: 10 cases (2004-2019). J Small Anim Pract 2020; 62:131-136. [PMID: 33244779 DOI: 10.1111/jsap.13265] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 09/30/2020] [Accepted: 10/27/2020] [Indexed: 01/25/2023]
Abstract
OBJECTIVES To better characterise signalment, biologic behaviour, and treatment outcome in melanocytic tumours of the nasal planum in cats. MATERIALS AND METHODS Retrospective study in cats diagnosed with histopathologically confirmed melanocytic tumours on the nasal planum. RESULTS Ten cats were identified with melanocytic tumours of the nasal planum. Pigmentation of the nasal planum seemed to be a predisposing factor. Seven cats were diagnosed histopathologically with a malignant melanoma, three with a benign melanocytoma. One of the cats developed a lymph node metastasis despite diagnosis of a well-differentiated melanocytic neoplasia. In four cases, a pigmented mass, which was initially stable over a long time, showed a sudden rapid progression suggesting malignant transformation. Treatments included hypofractionated radiation therapy (n = 6) and surgical resection (n = 1). In three cats no further treatment was pursued. Complete (n = 3) and partial (n = 3) remissions were observed in cats treated with radiation therapy; however, all experienced tumour progression or recurrence after a short period of time. Most of the cats (n = 7) had to be euthanased due to tumour progression (median survival time: 265 days). CLINICAL SIGNIFICANCE The present case series provides insights in clinical presentation and clinical outcomes of cats with melanocytic tumours of the nasal planum.
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Affiliation(s)
- A Reck
- Oncology service of Hofheim Small Animal Hospital, Katharina-Kemmler-Straße 7, Hofheim, 65719, Germany
| | - M Kessler
- Oncology service of Hofheim Small Animal Hospital, Katharina-Kemmler-Straße 7, Hofheim, 65719, Germany
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Simon A, Bourdaire V, Ayav C, Delaigue A, Laurain E, Le Gourrierec A, Perret-Guillaume C, Kessler M, Frimat L. Fragilité, troubles neurocognitifs et éducation thérapeutique des patients de plus de 70 ans en hémodialyse dans un centre. Nephrol Ther 2020. [DOI: 10.1016/j.nephro.2020.07.059] [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: 11/26/2022]
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Lateb M, Hubert J, Mirgaine P, Savenkoff B, Kessler M, Frimat L. Évolution de la fonction rénale chez les donneurs vivants obèses en transplantation rénale. Nephrol Ther 2020. [DOI: 10.1016/j.nephro.2020.07.111] [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: 11/29/2022]
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12
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Rattka M, Westphal S, Pott A, Kessler M, Weinmann K, Just S, Rottbauer W. 4964Loss-of-spen disturbs cardiac conduction in zebrafish mediated by impaired connexin43 function. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz746.0023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Introduction
Genome-wide association studies identified SPLIT ENDS (SPEN) gene as an interesting candidate in the pathogenesis of heart failure. SPEN is known to be of importance in transcriptional regulation in several pathways and knockout in mice results in severe cardiac structural abnormalities and premature intrauterine lethality. Moreover, SPEN was associated with human 1.36 syndrome and is located in the critical region for congenital heart defects. Hence, spen seems to be of importance in cardiac physiology, but not much is known about its biologic function in the heart.
Purpose
The aim of our study was to further deepen the insights on spen's role in cardiac pathology.
Methods
Morpholino-mediated gene knockdown is an excellent method to approach in vivo function of cardiac candidate genes in zebrafish. We conducted spen-specific knockdown experiments and first analyzed the emerging heart failure and arrhythmia phenotype. Next, we assessed possible target genes of the transcriptional regulator spen by gene expression profiling and verified our results by quantitative real-time PCR (qPCR), Western Blot, in situ hybridization and further knockdown- and rescue-experiments.
Results
Spen-deficiency results in severe heart failure and arrhythmia in zebrafish. While in the first 24 hpf (hours post fertilization) spen-morphant embryos develop normally, they exhibit reduced contractility and bradycardia at 48 hpf. From 60 hpf onwards impaired spen function is associated with electrophysiological abnormalities, closely resembling human second grade av block as well as atrial and ventricular fibrillation. Transcriptional profiling of pooled spen-morphant hearts revealed connexin43 (cx43) to be severely downregulated. This finding was verified by qPCR, Western Blot analysis and in situ hybridization experiments. Consequently, we hypothesized cx43 to be transcriptionally controlled by spen and that inadequate function of spen lowers cx43 levels, thereby causing cardiac conduction abnormalities. Subsequently, we performed cx43-knockdown, which phenocopied the spen-morphants phenotype. Importantly, all loss-of function experiments could be rescued by overexpression of wild type cx43 mRNA. Moreover, sensitizing via double injection of sub-phenotypic concentrations of spen- and cx43-morpholinos resulted in a supra-additive effect, validating molecular crosstalk between spen and cx43 on the signaling level. Compared to unaffected controls, over 90% of sensitized embryos display the arrhythmia phenotype and show atrial- and ventricular fibrillation already at 48 hpf.
Conclusion
Our results demonstrate that the transcriptional regulator spen controls the transcription of connexin43 and that impairment of this mechanism leads to severe cardiac arrhythmia in zebrafish.
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Affiliation(s)
- M Rattka
- University of Ulm, Department of Internal Medicine II, Ulm, Germany
| | - S Westphal
- University of Ulm, Department of Internal Medicine II, Ulm, Germany
| | - A Pott
- University of Ulm, Department of Internal Medicine II, Ulm, Germany
| | - M Kessler
- University of Ulm, Department of Internal Medicine II, Ulm, Germany
| | - K Weinmann
- University of Ulm, Department of Internal Medicine II, Ulm, Germany
| | - S Just
- University of Ulm, Department of Internal Medicine II, Ulm, Germany
| | - W Rottbauer
- University of Ulm, Department of Internal Medicine II, Ulm, Germany
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13
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Wintzheimer S, Genin E, Vellutini L, Le Bourdon G, Kessler M, Hackenberg S, Dembski S, Heuzé K. Functionalisation of TiO 2 nanoparticles with a fluorescent organosilane: A synergy enabling their visualisation in biological cells and an enhanced photocatalytic activity. Colloids Surf B Biointerfaces 2019; 181:1019-1025. [PMID: 31382329 DOI: 10.1016/j.colsurfb.2019.05.060] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [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: 01/16/2019] [Revised: 04/26/2019] [Accepted: 05/24/2019] [Indexed: 01/05/2023]
Abstract
Nanoparticles, such as TiO2 particles, have a great potential for biomedical applications due to their ultra-small size and large specific surface area. However, their detection within cells is to date more than challenging. Thus, implementing fluorescence properties to nanoparticles via their controlled functionalisation with an organic chromophore is an original and efficient strategy to enable their visualization. In this work, a silylated coupling agent bearing a luminescent rhodamine B group was synthesised and grafted on the surface of anatase nanoparticles. The successful functionalisation was demonstrated via zeta potential, dynamic light scattering and diffuse reflectance infrared Fourier transform analyses. Remarkably, the obtained luminescent TiO2 particles showed an improved photocatalytic activity compared to the pristine nanoparticles. Both, as-synthesised and functionalised TiO2 nanoparticles samples appear to be non-toxic towards malignant and non-malignant cells. Moreover, the detection of the functionalised particles within cultured cells was proven to be easy and efficient via confocal fluorescence microscopy.
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Affiliation(s)
- S Wintzheimer
- University Würzburg, Chair of Chemical Technology of Materials Synthesis, Röntgenring 11, 97070 Würzburg, Germany; Univ. Bordeaux, ISM, UMR-5255, F-33400 Talence, France.
| | - E Genin
- Univ. Bordeaux, ISM, UMR-5255, F-33400 Talence, France; CNRS, ISM, UMR5255, F- 33400 Talence, France.
| | - L Vellutini
- Univ. Bordeaux, ISM, UMR-5255, F-33400 Talence, France; CNRS, ISM, UMR5255, F- 33400 Talence, France.
| | - G Le Bourdon
- Univ. Bordeaux, ISM, UMR-5255, F-33400 Talence, France; CNRS, ISM, UMR5255, F- 33400 Talence, France.
| | - M Kessler
- University Clinic Würzburg, Department of Oto-Rhino-Laryngology, Plastic, Aesthetic and Reconstructive Head and Neck Surgery, Josef-Schneider-Str. 11, 97080 Würzburg, Germany.
| | - S Hackenberg
- University Clinic Würzburg, Department of Oto-Rhino-Laryngology, Plastic, Aesthetic and Reconstructive Head and Neck Surgery, Josef-Schneider-Str. 11, 97080 Würzburg, Germany.
| | - S Dembski
- Fraunhofer Institute for Silicate Research, ISC, Neunerplatz 2 97082 Würzburg, Germany; University Clinic Würzburg, Department of Tissue Engineering and Regenerative Medicine (TERM), Röntgenring 11, 97070 Würzburg, Germany.
| | - K Heuzé
- Univ. Bordeaux, ISM, UMR-5255, F-33400 Talence, France; CNRS, ISM, UMR5255, F- 33400 Talence, France.
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14
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Ayav C, Simon A, Kessler M. Parcours mixte ville-hôpital pour un programme d’éducation thérapeutique du patient atteint de maladie rénale polykystique héréditaire (Edu’Pol) : une approche innovante. Nephrol Ther 2019. [DOI: 10.1016/j.nephro.2019.07.217] [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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15
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Pugh L, Kessler M, Foreman M, Mathew P, Tan S, Vemuri S. 36IMPLEMENTATION OF AN ELECTRONIC HANDOVER TOOL WITHIN DEPARTMENT OF COMPLEX NEEDS: A QUALITY IMPROVEMENT PROJECT. Age Ageing 2019. [DOI: 10.1093/ageing/afz055.36] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- L Pugh
- Department of Complex Needs, Lincoln County Hospital
| | - M Kessler
- Department of Complex Needs, Lincoln County Hospital
| | - M Foreman
- Department of Complex Needs, Lincoln County Hospital
| | - P Mathew
- Department of Complex Needs, Lincoln County Hospital
| | - S Tan
- Department of Complex Needs, Lincoln County Hospital
| | - S Vemuri
- Department of Complex Needs, Lincoln County Hospital
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16
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Kessler M, Daniels L, Birch D, Haines S, Clifton E, Hillarious A. 22A TRIAL OF A FRAILTY IN-REACH TEAM INTO A GENERAL MEDICAL ADMISSIONS UNIT AT LINCOLN COUNTY HOSPITAL. Age Ageing 2019. [DOI: 10.1093/ageing/afy211.22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Affiliation(s)
- M Kessler
- Lincoln County Hospital, United Lincolnshire Hospitals NHS Trust
| | - L Daniels
- Lincoln County Hospital, United Lincolnshire Hospitals NHS Trust
| | - D Birch
- Lincoln County Hospital, United Lincolnshire Hospitals NHS Trust
| | - S Haines
- Lincoln County Hospital, United Lincolnshire Hospitals NHS Trust
| | - E Clifton
- Lincoln County Hospital, United Lincolnshire Hospitals NHS Trust
| | - A Hillarious
- Lincoln County Hospital, United Lincolnshire Hospitals NHS Trust
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17
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Girerd S, Schikowski J, Girerd N, Duarte K, Busby H, Gambier N, Ladrière M, Kessler M, Frimat L, Aarnink A. Impact of reduced exposure to calcineurin inhibitors on the development of de novo DSA: a cohort of non-immunized first kidney graft recipients between 2007 and 2014. BMC Nephrol 2018; 19:232. [PMID: 30219043 PMCID: PMC6139146 DOI: 10.1186/s12882-018-1014-2] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Accepted: 08/24/2018] [Indexed: 12/15/2022] Open
Abstract
Background In low-immunological risk kidney transplant recipients (KTRs), reduced exposure to calcineurin inhibitor (CNI) appears particularly attractive for avoiding adverse events, but may increase the risk of developing de novo Donor Specific Antibodies (dnDSA). Methods CNI exposure was retrospectively analyzed in 247 non-HLA immunized first KTRs by taking into account trough levels (C0) collected during follow-up. Reduced exposure to CNI was defined as follows: C0 less than the lower limit of the international targets for ≥50% of follow-up. Results During a mean follow-up of 5.0 ± 2.0 years, 39 patients (15.8%) developed dnDSA (MFI ≥1000). Patients with DSA were significantly younger (46.6 ± 13.8 vs. 51.7 ± 14.0 years, p = 0.039), received more frequently poorly-matched grafts (59% with 6–8 A-B-DR-DQ HLA mismatches vs. 34.6%, p = 0.016) and had more frequently a reduced exposure to CNI (92.3% vs. 62.0%, p = 0.0002). Reduced exposure to CNI was associated with an increased risk of dnDSA (multivariable HR = 9.77, p = 0.002). Reduced exposure to CNI had no effect on patient survival, graft loss from any cause including death, or post-transplant cancer. Conclusions Even in a low-immunological risk population, reduced exposure to CNI is associated with increased risk of dnDSA. Benefits and risks of under-immunosuppression must be carefully evaluated before deciding on CNI minimization.
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Affiliation(s)
- S Girerd
- Service de Néphrologie et Transplantation rénale, CHRU Nancy Brabois, Vandoeuvre-les-, Nancy, France. .,INSERM, Centre d'Investigations Cliniques Plurithématique 1433, Université de Lorraine, CHRU de Nancy and F-CRIN INI-CRCT, Nancy, France.
| | - J Schikowski
- Service de Néphrologie et Transplantation rénale, CHRU Nancy Brabois, Vandoeuvre-les-, Nancy, France
| | - N Girerd
- INSERM, Centre d'Investigations Cliniques Plurithématique 1433, Université de Lorraine, CHRU de Nancy and F-CRIN INI-CRCT, Nancy, France
| | - K Duarte
- INSERM, Centre d'Investigations Cliniques Plurithématique 1433, Université de Lorraine, CHRU de Nancy and F-CRIN INI-CRCT, Nancy, France
| | - H Busby
- Service d'Anatomie pathologique, CHRU Nancy Brabois, Vandœuvre-lès-Nancy, France
| | - N Gambier
- Service de Pharmacologie-Toxicologie, CHRU Nancy Brabois, Vandœuvre-lès-Nancy, France
| | - M Ladrière
- Service de Néphrologie et Transplantation rénale, CHRU Nancy Brabois, Vandoeuvre-les-, Nancy, France
| | - M Kessler
- Service de Néphrologie et Transplantation rénale, CHRU Nancy Brabois, Vandoeuvre-les-, Nancy, France
| | - L Frimat
- Service de Néphrologie et Transplantation rénale, CHRU Nancy Brabois, Vandoeuvre-les-, Nancy, France
| | - A Aarnink
- Laboratoire d'Histocompatibilité, CHRU Nancy Brabois, Vandœuvre-lès-Nancy, France
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18
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Kessler M, Mamach M, Beutelmann R, Bankstahl JP, Bengel FM, Klump GM, Berding G. Activation in the auditory pathway of the gerbil studied with 18F-FDG PET: effects of anesthesia. Brain Struct Funct 2018; 223:4293-4305. [PMID: 30203305 DOI: 10.1007/s00429-018-1743-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [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: 11/20/2017] [Accepted: 08/29/2018] [Indexed: 01/20/2023]
Abstract
Here, we present results from an 18F-fluorodeoxyglucose (18F-FDG) positron emission tomography (PET) study in the Mongolian gerbil, a preferred animal model in auditory research. One major issue in preclinical nuclear imaging, as well as in most of the neurophysiological methods investigating auditory processing, is the need of anesthesia. We compared the usability of two types of anesthesia which are frequently employed in electrophysiology, ketamine/xylazine (KX), and fentanyl/midazolam/medetomidine (FMM), for valid measurements of auditory activation with 18F-FDG PET. Gerbils were placed in a sound-shielding box and injected with 18F-FDG. Two acoustic free-field conditions were used: (1) baseline (no stimulation, 25 dB background noise) and (2) 90 dB frequency-modulated tones (FM). After 40 min of 18F-FDG uptake, a 30 min acquisition was performed using a small animal PET/CT system. Blood glucose levels were measured after the uptake phase before scanning. Standardized uptake value ratios for relevant regions were determined after implementing image and volume of interest templates. Scans demonstrated a significantly higher uptake in the inferior colliculus with FM stimulation compared to baseline in awake subjects (+ 12%; p = 0.02) and with FMM anesthesia (+ 13%; p = 0.0012), but not with KX anesthesia. In non-auditory brain regions, no significant difference was detected. Blood glucose levels were significantly higher under KX compared to FMM anesthesia (17.29 ± 0.42 mmol/l vs. 14.30 ± 1.91 mmol/l; p = 0.024). These results suggest that valid 18F-FDG PET measurements of auditory activation comparable to electrophysiology can be obtained from gerbils during opioid-based anesthesia due to its limited effects on interfering blood glucose levels.
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Affiliation(s)
- M Kessler
- Department of Nuclear Medicine, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany.,Cluster of Excellence Hearing4all, University of Oldenburg, Oldenburg, Germany
| | - M Mamach
- Department of Nuclear Medicine, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany.,Cluster of Excellence Hearing4all, University of Oldenburg, Oldenburg, Germany.,Department of Medical Physics and Radiation Protection, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - R Beutelmann
- Cluster of Excellence Hearing4all, University of Oldenburg, Oldenburg, Germany.,Division for animal Physiology and Behaviour Group, Department for Neuroscience, School of Medicine and Health Sciences, University of Oldenburg, Carl von Ossietzky Str. 9-11, 26129, Oldenburg, Germany
| | - J P Bankstahl
- Department of Nuclear Medicine, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - F M Bengel
- Department of Nuclear Medicine, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - G M Klump
- Cluster of Excellence Hearing4all, University of Oldenburg, Oldenburg, Germany.,Division for animal Physiology and Behaviour Group, Department for Neuroscience, School of Medicine and Health Sciences, University of Oldenburg, Carl von Ossietzky Str. 9-11, 26129, Oldenburg, Germany
| | - Georg Berding
- Department of Nuclear Medicine, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany. .,Cluster of Excellence Hearing4all, University of Oldenburg, Oldenburg, Germany.
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19
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Alla A, Ayav C, Kessler M, Frimat L, Girerd S. Insuffisance rénale terminale secondaire aux vascularites à ANCA : comparaison des patients incidents en Lorraine entre 2001 et 2017. Nephrol Ther 2018. [DOI: 10.1016/j.nephro.2018.07.374] [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: 10/28/2022]
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20
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Mottola C, Aarnink A, Duarte K, Ladrière M, Kessler M, Frimat L, Girerd S. Valeur pronostique des marqueurs précoces de la fonction rénale sur la survie des greffons : étude rétrospective sur 754 patients transplantés rénaux. Nephrol Ther 2017. [DOI: 10.1016/j.nephro.2017.08.089] [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: 10/18/2022]
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21
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Simon A, Ayav C, Kessler M, Frimat L. Mise en place des recommandations sur l’accès à la liste d’attente de greffe au sein d’une région. Nephrol Ther 2017. [DOI: 10.1016/j.nephro.2017.08.090] [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: 10/18/2022]
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22
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Kessler M, Gonska B, Seeger J, Rodewald C, Rottbauer W, Woehrle J. P6324Predictors of permanent pacemaker implantation after transfemoral aortic valve implantation with the repositionable lotus valve. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx493.p6324] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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23
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Bavcar S, de Vos J, Kessler M, de Fornel P, Buracco P, Murphy S, Hirschberger J, Argyle D. Combination toceranib and lomustine shows frequent high grade toxicities when used for treatment of non-resectable or recurrent mast cell tumours in dogs: A European multicentre study. Vet J 2017; 224:1-6. [DOI: 10.1016/j.tvjl.2017.04.010] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2016] [Revised: 02/16/2017] [Accepted: 04/18/2017] [Indexed: 10/19/2022]
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24
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Jochems A, El-Naqa I, Kessler M, Mayo C, Reeves J, Shruti J, Matuszak M, Ten Haken R, Faive-Fin C, Price G, Holloway L, Vinod S, Field M, Samir Barakat M, Thwaites D, Dekker A, Lambin P. PV-0240: A logistic regression model to predict 30-day mortality: difference between routine and trial data. Radiother Oncol 2017. [DOI: 10.1016/s0167-8140(17)30683-7] [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: 11/28/2022]
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25
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Jochems A, Deist T, El-Naqa I, Kessler M, Mayo C, Reeves J, Jolly S, Matuszak M, Ten Haken R, Van Soes J, Oberije C, Faivre-Finn C, Price G, Lambin P, Dekker A. EP-1596: Developing and validating a survival prediction model for NSCLC patients using distributed learning. Radiother Oncol 2017. [DOI: 10.1016/s0167-8140(17)32031-5] [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: 10/19/2022]
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26
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Lautscham EM, Kessler M, Ernst T, Willimzig L, Neiger R. Comparison of a CHOP-LAsp-based protocol with and without maintenance for canine multicentric lymphoma. Vet Rec 2017; 180:303. [DOI: 10.1136/vr.104077] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/08/2016] [Indexed: 11/03/2022]
Affiliation(s)
- E. M. Lautscham
- Small Animal Clinic Hofheim; Katharina-Kemmler-Str. 7 Hofheim 65719 Germany
| | - M. Kessler
- Small Animal Clinic Hofheim; Katharina-Kemmler-Str. 7 Hofheim 65719 Germany
| | - T. Ernst
- Small Animal Clinic Hofheim; Katharina-Kemmler-Str. 7 Hofheim 65719 Germany
| | - L. Willimzig
- Small Animal Clinic Hofheim; Katharina-Kemmler-Str. 7 Hofheim 65719 Germany
| | - R. Neiger
- Small Animal Clinic, Internal Medicine, Justus-Liebig-University Giessen; Frankfurter Str. 126 Giessen 35392 Germany
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27
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Abrahamczyk S, Kessler M, Hanley D, Karger DN, Müller MPJ, Knauer AC, Keller F, Schwerdtfeger M, Humphreys AM. Pollinator adaptation and the evolution of floral nectar sugar composition. J Evol Biol 2016; 30:112-127. [PMID: 27747987 DOI: 10.1111/jeb.12991] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2016] [Revised: 10/08/2016] [Accepted: 10/12/2016] [Indexed: 12/30/2022]
Abstract
A long-standing debate concerns whether nectar sugar composition evolves as an adaptation to pollinator dietary requirements or whether it is 'phylogenetically constrained'. Here, we use a modelling approach to evaluate the hypothesis that nectar sucrose proportion (NSP) is an adaptation to pollinators. We analyse ~ 2100 species of asterids, spanning several plant families and pollinator groups (PGs), and show that the hypothesis of adaptation cannot be rejected: NSP evolves towards two optimal values, high NSP for specialist-pollinated and low NSP for generalist-pollinated plants. However, the inferred adaptive process is weak, suggesting that adaptation to PG only provides a partial explanation for how nectar evolves. Additional factors are therefore needed to fully explain nectar evolution, and we suggest that future studies might incorporate floral shape and size and the abiotic environment into the analytical framework. Further, we show that NSP and PG evolution are correlated - in a manner dictated by pollinator behaviour. This contrasts with the view that a plant necessarily has to adapt its nectar composition to ensure pollination but rather suggests that pollinators adapt their foraging behaviour or dietary requirements to the nectar sugar composition presented by the plants. Finally, we document unexpectedly sucrose-poor nectar in some specialized nectarivorous bird-pollinated plants from the Old World, which might represent an overlooked form of pollinator deception. Thus, our broad study provides several new insights into how nectar evolves and we conclude by discussing why maintaining the conceptual dichotomy between adaptation and constraint might be unhelpful for advancing this field.
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Affiliation(s)
- S Abrahamczyk
- Nees Institute for Plant Biodiversity, University of Bonn, Bonn, Germany
| | - M Kessler
- Institute of Systematic and Evolutionary Botany, University of Zurich, Zurich, Switzerland
| | - D Hanley
- Department of Biology, Long Island University - Post, Brookville, NY, USA
| | - D N Karger
- Institute of Systematic and Evolutionary Botany, University of Zurich, Zurich, Switzerland
| | - M P J Müller
- Institute of Systematic and Evolutionary Botany, University of Zurich, Zurich, Switzerland
| | - A C Knauer
- Institute of Systematic and Evolutionary Botany, University of Zurich, Zurich, Switzerland
| | - F Keller
- Institute of Plant Science, University of Zurich, Zurich, Switzerland
| | - M Schwerdtfeger
- Albrecht-v.-Haller Institute of Plant Science, University of Goettingen, Goettingen, Germany
| | - A M Humphreys
- Department of Life Sciences, Imperial College London, Berkshire, UK.,Department of Ecology, Environment and Plant Sciences, University of Stockholm, Stockholm, Sweden
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28
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Girerd S, Girerd N, Aarnink A, Solimando E, Ladrière M, Kennel A, Rossignol P, Kessler M, Frimat L. Temporal Trend and Time-Varying Effect of Preemptive Second Kidney Transplantation on Graft Survival: A 30-Year Single-Center Cohort Study. Transplant Proc 2016; 48:2663-2668. [DOI: 10.1016/j.transproceed.2016.08.007] [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: 05/04/2016] [Revised: 07/08/2016] [Accepted: 08/03/2016] [Indexed: 11/24/2022]
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29
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Koch S, Kessler M, Mandel K, Dembski S, Heuzé K, Hackenberg S. Polycarboxylate ethers: The key towards non-toxic TiO 2 nanoparticle stabilisation in physiological solutions. Colloids Surf B Biointerfaces 2016; 143:7-14. [DOI: 10.1016/j.colsurfb.2016.03.010] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2015] [Revised: 03/01/2016] [Accepted: 03/03/2016] [Indexed: 01/26/2023]
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30
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Macher MA, Germain L, Soudant M, Baudelot C, Kessler M, Thuong M, Briançon S. Qualité de vie des donneurs vivants de rein : résultats de l’étude prospective française QVDV. Arch Pediatr 2016. [DOI: 10.1016/j.arcped.2016.03.050] [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: 11/29/2022]
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Polan D, Kamp J, Lee JY, Chapman C, Green M, Payal S, Kessler M, Brock K. SU-F-J-85: Evaluation of the Velocity Deformable Image Registration Algorithm. Med Phys 2016. [DOI: 10.1118/1.4955993] [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: 11/07/2022] Open
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Holtermann N, Kiupel M, Kessler M, Teske E, Betz D, Hirschberger J. Masitinib monotherapy in canine epitheliotropic lymphoma. Vet Comp Oncol 2015; 14 Suppl 1:127-35. [DOI: 10.1111/vco.12157] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2014] [Revised: 04/19/2015] [Accepted: 05/04/2015] [Indexed: 12/18/2022]
Affiliation(s)
- N. Holtermann
- Medizinische Kleintierklinik; Ludwig Maximilians University Munich; Munich Germany
| | - M. Kiupel
- Department of Pathology and Diagnostic Investigations, College of Veterinary Medicine, Michigan State University; Diagnostic Center for Population and Animal Health; Lansing MI USA
| | - M. Kessler
- Tierklinik Hofheim; Im Langgewann 9; 65719 Hofheim/Taunus Germany
| | - E. Teske
- Department of Clinical Sciences of Companion Animals, Veterinary Faculty; Utrecht University; Utrecht The Netherlands
| | - D. Betz
- Klinik für Kleintiere; Tierärztliche Hochschule Hannover; Hannover Germany
| | - J. Hirschberger
- Medizinische Kleintierklinik; Ludwig Maximilians University Munich; Munich Germany
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Briançon S, Germain L, Soudant M, Macher M, Baudelot C, Kessler M, Thuong M. Don de rein et retentissement sur la santé à 1an dans la cohorte nationale QV DVR. Nephrol Ther 2015. [DOI: 10.1016/j.nephro.2015.07.025] [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: 10/23/2022]
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Chouleur F, Gendarme S, Ayav C, Jaquart J, Charlier R, Kessler M. Évaluation de l’implication des patients-ressources dans l’animation de séances d’éducation thérapeutique. Nephrol Ther 2015. [DOI: 10.1016/j.nephro.2015.07.327] [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: 10/23/2022]
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Beguinet M, Ayav C, Litscher C, Chouleur F, Kessler M. Évaluation d’un programme de coordination de la prise en charge de l’insuffisance rénale chronique modérée en médecine de ville. Nephrol Ther 2015. [DOI: 10.1016/j.nephro.2015.07.407] [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: 10/23/2022]
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Ayav C, Legendre C, Frimat L, Hourmant M, Rostaing L, Hiesse C, Mourad G, Glotz D, Speyer E, Clerc-Urmes I, Briançon S, Kessler M. Impact de la dialyse avant greffe rénale avec donneur vivant sur la qualité de vie et la réinsertion professionnelle des receveurs. Nephrol Ther 2015. [DOI: 10.1016/j.nephro.2015.07.061] [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: 11/25/2022]
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Hellemans R, Hazzan M, Durand D, Mourad G, Lang P, Kessler M, Charpentier B, Touchard G, Berthoux F, Merville P, Ouali N, Squifflet JP, Bayle F, Wissing KM, Noël C, Abramowicz D. Daclizumab Versus Rabbit Antithymocyte Globulin in High-Risk Renal Transplants: Five-Year Follow-up of a Randomized Study. Am J Transplant 2015; 15:1923-32. [PMID: 25707875 DOI: 10.1111/ajt.13191] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [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: 07/07/2014] [Revised: 12/07/2014] [Accepted: 12/24/2014] [Indexed: 01/25/2023]
Abstract
We previously reported a randomized controlled trial in which 227 de novo deceased-donor kidney transplant recipients were randomized to rabbit antithymocyte (rATG, Thymoglobulin) or daclizumab if they were considered to be at high immunological risk, defined as high panel reactive antibodies (PRA), loss of a first kidney graft through rejection within 2 years of transplantation, or third or fourth transplantation. Patients treated with rATG had lower incidences of biopsy-proven acute rejection (BPAR) and steroid-resistant rejection at 1 year. Patients were followed to 5 years posttransplant in an observational study; findings are described here. Treatment with rATG was associated with a lower rate of BPAR at 5 years (14.2% vs. 26.0% with daclizumab; p = 0.035). Only one rATG-treated patient (0.9%) and one daclizumab-treated patient (1.0%) developed BPAR after 1 year. Five-year graft and patient survival rates, and renal function, were similar between the two groups. Overall graft survival at 5 years was significantly higher in patients without BPAR (81.0% vs. 54.8%; p < 0.001). In conclusion, rATG is superior to daclizumab for the prevention of BPAR among high-immunological-risk renal transplant recipients. Overall graft survival at 5 years was approximately 70% with either induction therapy, which compares favorably to low-risk cohorts.
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Affiliation(s)
- R Hellemans
- Dienst Néphrologie, Universitair Ziekenhuis Antwerpen, Edegem, Belgium
| | - M Hazzan
- Service de N, é, phrologie, Hôpital, Lille, France
| | - D Durand
- Service de Néphrologie-HTA-Dialyse-Transplantation, CHU-Toulouse Rangueil, Toulouse, France
| | - G Mourad
- Département de Néphrologie et Transplantation, CHRU-Hôpital Lapeyronie, Montpellier, France
| | - P Lang
- Service de Néphrologie, Hôpital Henri Mondor, Créteil, France
| | - M Kessler
- Département de Néphrologie, Hôpital Universitaire de Nancy, Nancy, France
| | - B Charpentier
- Service de Néphrologie, CHRU de Bicêtre, Bicêtre, France
| | - G Touchard
- Service de Néphrologie-Transplantation, CHU de Poitiers, Hôpital Jean-Bernard, Poitiers, France
| | - F Berthoux
- Service de Néphrologie, CHRU-Hôpital Nord, Saint-Etienne, France
| | - P Merville
- Service de Néphrologie, Hôpital Pellegrin, Bordeaux, France
| | - N Ouali
- Service de Néphrologie A, Hôpital Tenon, Paris, France
| | - J-P Squifflet
- Cliniques Universitaires St Luc, Brussels, and Department of Abdominal Transplantation, CHU Sart Tilman, Liege, Belgium
| | - F Bayle
- Service de Néphrologie, CHU de Grenoble, Grenoble, France
| | - K M Wissing
- Dienst Nefrologie, Universitair Ziekenhuis Brussel, Brussels, Belgium
| | - C Noël
- Service de N, é, phrologie, Hôpital, Lille, France
| | - D Abramowicz
- Dienst Néphrologie, Universitair Ziekenhuis Antwerpen, Edegem, Belgium
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Kühnel S, Kessler M. Tumoren der Lunge bei Hund und Katze aus Sicht eines Klinikers. Pneumologie 2015. [DOI: 10.1055/s-0035-1552903] [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: 10/23/2022]
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Covington E, Younge K, Chen X, Lee C, Matuszak M, Kessler M, Acosta E, Keranen W, Orow A, Filpansick S, Moran J. SU-D-BRD-03: Improving Plan Quality with Automation of Treatment Plan Checks. Med Phys 2015. [DOI: 10.1118/1.4923869] [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: 11/07/2022] Open
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Hadley S, Kessler M, Litzenberg D, Lee C, Irrer J, Chen X, Acosta E, Weyburne G, Keranen W, Lam K, Covington E, Younge K, Matuszak M, Moran J. WE-G-BRA-02: SafetyNet: Automating Radiotherapy QA with An Event Driven Framework. Med Phys 2015. [DOI: 10.1118/1.4926072] [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: 11/07/2022] Open
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Trébern-Launay K, Foucher Y, Giral M, Bayat-Makoei S, Briançon S, Kessler M. Risques compétitifs de décès et de transplantation pour les patients en insuffisance rénale terminale inscrits sur liste d’attente : un modèle de mélange ouvrant de nouvelles perspectives pour l’allocation des greffons. Rev Epidemiol Sante Publique 2015. [DOI: 10.1016/j.respe.2015.03.018] [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: 10/23/2022] Open
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Affiliation(s)
- M C Béné
- Laboratoire d'Immunologie, Faculté de Médecine et CHU de Nancy, Vandoeuvre-lès-Nancy, France
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Kessler M, Cao Huu T, Mariot A, Chanliau J. Hemodialysis-associated complications due to sterilizing agents ethylene oxide and formaldehyde. Contrib Nephrol 2015; 62:13-23. [PMID: 3282794 DOI: 10.1159/000415471] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- M Kessler
- Service de Néphrologie, CHRU de Nancy-Brabois, Vandoeuvre, France
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Béné MC, Kennel A, Renoult E, Kessler M, Faure GC. Altered mucosal immunity in IgA nephropathy investigated using the ELISA spot method in peripheral blood. Contrib Nephrol 2015; 111:123-8. [PMID: 7538928 DOI: 10.1159/000423886] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- M C Béné
- Laboratory of Immunology, Faculty of Medicine and CHU de Nancy, Vandoeuvre-les-Nancy, France
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Klövekorn WP, Schabert A, Kessler M. Preliminary results on direct measurement of regional myocardial oxygenation during coronary stenosis and hemodilution in dogs. Bibl Haematol 2015:303-9. [PMID: 7188580 DOI: 10.1159/000402240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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Bayat S, Macher MA, Couchoud C, Bayer F, Lassalle M, Villar E, Caillé Y, Mercier S, Joyeux V, Noel C, Kessler M, Jacquelinet C. Individual and regional factors of access to the renal transplant waiting list in france in a cohort of dialyzed patients. Am J Transplant 2015; 15:1050-60. [PMID: 25758788 DOI: 10.1111/ajt.13095] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [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: 04/18/2014] [Revised: 10/10/2014] [Accepted: 11/01/2014] [Indexed: 01/25/2023]
Abstract
Several studies have investigated geographical variations in access to renal transplant waiting lists, but none has assessed the impact on these variations of factors at both the patient and geographic levels. The objective of our study was to identify medical and non-medical factors at both these levels associated with these geographical variations in waiting-list placement in France. We included all incident patients aged 18-80 years in 11 French regions who started dialysis between January 1, 2006, and December 31, 2008. Both a multilevel Cox model with shared frailty and a competing risks model were used for the analyses. At the patient level, old age, comorbidities, diabetic nephropathy, non-autonomous first dialysis, and female gender were the major determinants of a lower probability of being waitlisted. At the regional level, the only factor associated with this probability was an increase in the number of patients on the waiting list from 2005 to 2009. This finding supports a slight but significant impact of a regional organ shortage on waitlisting practices. Our findings demonstrate that patients' age has a major impact on waitlisting practices, even for patients with no comorbidity or disability, whose survival would likely be improved by transplantation compared with dialysis.
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Affiliation(s)
- S Bayat
- Département d'Epidémiologie-Biostatistiques, EA MOS, EHESP, Rennes, France
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Kessler M, Connor E, Lehnert M. Volatile organic compounds in the strongly fragrant fern genus Melpomene (Polypodiaceae). Plant Biol (Stuttg) 2015; 17:430-436. [PMID: 25427549 DOI: 10.1111/plb.12252] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2014] [Accepted: 08/26/2014] [Indexed: 06/04/2023]
Abstract
Volatile organic compounds (VOCs) are common among plants, both as attractants for pollinators and as defence against herbivores. While much studied among flowering plants, the prevalence and function of VOCs among ferns is little known. Using headspace sorption and gas chromatography, we analysed the VOCs of dried specimens of six species of grammitid fern (Polypodiaceae), including two species of the genus Melpomene, which is characterised by a distinctive sweet smell. We identified 38 VOCs, including 22 not previously recorded among ferns. The two species of Melpomene had distinct VOC cocktails, including 12 substances not found in the other four studied genera, mainly involving fatty acid derivatives (FADs) and aromatics. We propose that these VOCs have, at least in part, a function in herbivore defence, but note that the VOC bouquet of Melpomene is distinct from that typically found in angiosperms.
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Affiliation(s)
- M Kessler
- Systematic Botany, University of Zurich, Zurich, Switzerland
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Abstract
BACKGROUND Neuroendocrine adenomas of the middle ear are rare, low-grade neoplasms with potential for recurrence and metastasis. The nonspecific symptoms and preliminary clinical and radiological findings are misleading and often fail to provide the right diagnosis. PATIENTS AND METHODS We analyzed the findings of 3 adult patients, who were treated between 2001 and June /2012 at the Luzerner Kantonsspital in Switzerland. RESULTS The 3 patients reported on hearing loss, ear pressure and/or tinnitus. Otoscopy showed a thickened, intact tympanic membrane with a whitish-grayish prolapsing mass. All the patients had conductive hearing loss. Computer tomography showed an unspecified well-circumscribed soft-tissue mass. Definitive histology with immunostaining after radical tumor removal led to the proper diagnosis. CONCLUSIONS The typical constellation of nonspecific clinical and radiological findings leads to the right diagnosis of neuroendocrine adenoma of the middle ear. After reviewing the literature, we illustrate the differential diagnosis as well as the relevant diagnostic and therapeutic procedures, and remind ENT physicians about this rare disease entity.
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Affiliation(s)
- S M Gut
- Klinik für Hals-Nasen-Ohren-, Hals- und Gesichtschirurgie, Luzerner Kantonsspital, Spitalstrasse, 6000, Luzern 16, Schweiz,
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Kühnel S, Kessler M. [Prognosis of canine oral (gingival) squamous cell carcinoma after surgical therapy. A retrospective analysis in 40 patients]. Tierarztl Prax Ausg K Kleintiere Heimtiere 2014; 42:359-66. [PMID: 25418424 DOI: 10.15654/tpk-140069] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2014] [Accepted: 04/24/2014] [Indexed: 12/30/2022]
Abstract
OBJECTIVE Retrospective analysis of dogs with gingival squamous cell carcinoma (SCC) surgically treated using jaw resection. Material and me- thods: A total of 40 dogs were enrolled in the study. Dogs with incomplete tumour resection or metastases were subjected to adjuvant chemotherapy using carboplatin. Breed, age, tumour localisation, postsurgical complications, survival times and prognostic factors were evaluated. RESULTS There were no breed predispositions. The median age was 9.5 years (mean 8.6 years; range 0.5-15.5 years). At the time of presentation, two dogs (5%) had lymph node metastases (N1). The median survival time (ST) of all the patients was 44.8 months. In 15 patients, the tumour was located in the maxilla, whereas 25 dogs had a mandibular tumour location. The median ST in dogs with maxillary tumours was 39 months (95% confidence interval [CI] 24 months), while patients with maxillary tumours survived a median of 43 months (95% CI 33-70 months). There was no significant difference in the ST in patients with maxillary versus man- dibular tumours (p = 0.985). On multivariate analysis, only the tumour stage was found to be significantly associated with survival (p = 0.0047). Patients with stage N0 survived a median of 44 months (95% CI 36-80 months). The two dogs with lymph node metastasis (N1) sur- vived 18 and 70 months following jaw resection and carboplatin chemotherapy, respectively. According to the histological findings, tumour resection was incomplete in five patients. These dogs received adjuvant carboplatin chemotherapy, resulting in an ST of between 6 and 146 months. CONCLUSION AND CLINICAL RELEVANCE Prognosis depends on the tumour stage, while for complete local excision of the affected jaw segment a good prognosis can be given and the majority of the patients can be cured. The supposedly more malignant behaviour of gingival SCCs located in the caudal aspects of the oral cavity could not be confirmed. Patients with metastasis of the local lymph nodes can achieve acceptable survival times. Jaw resections have low complication rates and a good functional outcome.
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Affiliation(s)
- S Kühnel
- Sandra Kühnel, Tierklinik Hofheim, Abteilung Onkologie, Im Langgewann 9, 65719 Hofheim, E-Mail:
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