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Plasma protein signatures reflect systemic immunity and allograft function in kidney transplantation. Transl Res 2023; 262:35-43. [PMID: 37507006 DOI: 10.1016/j.trsl.2023.07.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 06/20/2023] [Accepted: 07/23/2023] [Indexed: 07/30/2023]
Abstract
Kidney transplantation causes large perturbations of the immune system. While many studies focus on the allograft, insights into systemic effects are largely missing. Here, we analyzed the systemic immune response in 3 cohorts of kidney transplanted patients. Using serum proteomics, laboratory values, mass cytometry, histological and clinical parameters, inter-patient heterogeneity was leveraged for multi-omic co-variation analysis. We identified circulating immune modules (CIM) that describe extra-renal signatures of co-regulated plasma proteins. CIM are present in nontransplanted controls, in transplant conditions and during rejection. They are enriched in pathways linked to kidney function, extracellular matrix, signaling, and cellular activation. A complex leukocyte response in the blood during allograft quiescence and rejection is associated with CIM activity and CIM-specific cytokines. CIM activity correlates with kidney function including a 2-month prediction. Together, the data suggest a systemic and multi-layered response of transplant immunity that might be insightful for understanding allograft dysfunction and developing translational biomarkers.
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Can tibio-femoral kinematic and kinetic parameters reveal poor functionality and underlying deficits after total knee replacement? A systematic review. Knee 2022; 34:62-75. [PMID: 34883331 DOI: 10.1016/j.knee.2021.11.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 09/13/2021] [Accepted: 11/04/2021] [Indexed: 02/02/2023]
Abstract
BACKGROUND Extensive efforts have been made to understand joint kinematics and kinetics in total knee arthroplasty (TKA) in subjects with satisfactory outcomes during daily functional activities and clinical tests, but it remains unclear whether such movement characteristics hold the potential to indicate the underlying aetiology of unsatisfactory or bad TKA outcomes. PURPOSE To investigate which kinematic and kinetic parameters assessed during passive clinical tests and functional activities of daily living are associated with poor functionality and underlying deficits after total knee replacement. METHODS We focused on studies characterizing the kinematic or kinetic parameters of the knee joint that are associated with poor clinical outcome after TKA. Seventeen articles were included for the review, and kinematic and kinetic data from 719 patients with minimal follow up of 6 months were extracted and analyzed. RESULTS Passive posterior translation at 90°flexionexhibited good potential for differentiating stable and unstable TKAs. Anterior-posterior (A-P) translation of the medial condyle at 0-30° and 30-60° flexion, A-P translation of the lateral condyle at 60-90°during closed chain exercises, as well asknee extension moment during stair ascent and descent, knee abduction moment during stair descent, knee internal rotation moment and plantar flexion moment during walking, 2ndpeak ground reaction force during stair ascent and walkingshowed the greatest promise as functional biomarkers for a dissatisfied/poor outcome knee after TKA. CONCLUSION In this study, we systematically reviewed the state-of-the-art knowledge of kinematics and kinetics associated with functional deficits, and found 11 biomechanical parameters that showed promise for supportingdecision making in TKA.
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In Vivo Elongation Patterns of the Collateral Ligaments in Healthy Knees During Functional Activities. J Bone Joint Surg Am 2021; 103:1620-1627. [PMID: 33848100 DOI: 10.2106/jbjs.20.01311] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Improved knowledge of in vivo function of the collateral ligaments is essential for enhancing rehabilitation and guiding surgical reconstruction as well as soft-tissue balancing in total knee arthroplasty. The aim of this study was to quantify in vivo elongation patterns of the collateral ligaments throughout complete cycles of functional activities. METHODS Knee kinematics were measured using radiographic images captured with a mobile fluoroscope while healthy subjects performed level walking, downhill walking, and stair descent. The registered in vivo tibiofemoral kinematics were then used to drive subject-specific multibody knee models to track collateral ligament elongation. RESULTS The elongation patterns of the medial collateral ligament varied distinctly among its bundles, ranging from lengthening of the anterior fibers to shortening of the posterior bundle with increases in the knee flexion angle. The elongation patterns of the lateral collateral ligament varied considerably among subjects. It showed an average 4% shortening with increasing flexion until 60% to 70% of the gait cycle, and then recovered during the terminal-swing phase until reaching its reference length (defined at heel strike). CONCLUSIONS The observed nonuniform elongation of the medial collateral ligament bundles suggests that single-bundle reconstruction techniques may not fully restore healthy ligament function. Moreover, the observed ligament elongation patterns indicate greater varus than valgus laxity in the loaded knee. CLINICAL RELEVANCE Through providing key knowledge about the in vivo elongation patterns of the collateral ligaments throughout complete cycles of functional activities, this study offers in vivo evidence for benchmarking ligament reconstruction and soft-tissue balancing in total knee arthroplasty.
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Antibody Response to SARS-CoV-2 Membrane Protein in Patients of the Acute and Convalescent Phase of COVID-19. Front Immunol 2021; 12:679841. [PMID: 34421894 PMCID: PMC8371319 DOI: 10.3389/fimmu.2021.679841] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Accepted: 07/02/2021] [Indexed: 12/11/2022] Open
Abstract
Understanding the course of the antibody response directed to individual epitopes of SARS-CoV-2 proteins is crucial for serological assays and establishment of vaccines. Twenty-one synthetic peptides were synthesized that have ten amino acids overlap and cover the complete membrane (M) protein. Plasma samples from 32 patients having acute disease and 30 patients from the convalescent phase were studied. Only peptide M01 (aa 1–20) and to a lesser extent peptide M21 (aa 201–222) showed specific reactivity as compared to historical control plasma samples. Peptide M01 was recognized by IgM- (71.9%) and IgG-specific antibodies (43.8%) during the acute phase as early as day 8 PIO. In a longitudinal analysis, a higher reactivity was observed for the IgM response directed to peptide M01 following day 20 PIO as compared to earlier time points of the acute phase. In the convalescent phase, antibody reactivity to the two M-specific peptides was significantly lower (<30% seropositivity). A fusion protein encoding major parts of RBD also showed higher rates of recognition during acute (50.0%) and lower rates in the convalescent phase (23.3%). Taken together, our results suggest that during the acute phase of COVID-19 antibodies are raised to two linear epitopes of the SARS-CoV-2 M protein, located at the very N- and C-termini, showing almost similar levels of reactivity as immunodominant linear epitopes derived from the spike and nucleocapsid protein. Anti-M is also present in the convalescent phase of COVID-19 patients, however at lower levels, with the N-terminus of the M protein as a preferred target.
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Complement receptor 3 mediates both sinking phagocytosis and phagocytic cup formation via distinct mechanisms. J Biol Chem 2021; 296:100256. [PMID: 33839682 PMCID: PMC7948798 DOI: 10.1016/j.jbc.2021.100256] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 12/23/2020] [Accepted: 01/04/2021] [Indexed: 01/11/2023] Open
Abstract
A long-standing hypothesis is that complement receptors (CRs), especially CR3, mediate sinking phagocytosis, but evidence is lacking. Alternatively, CRs have been reported to induce membrane ruffles or phagocytic cups, akin to those induced by Fcγ receptors (FcγRs), but the details of these events are unclear. Here we used real-time 3D imaging and KO mouse models to clarify how particles (human red blood cells) are internalized by resident peritoneal F4/80+ cells (macrophages) via CRs and/or FcγRs. We first show that FcγRs mediate highly efficient, rapid (2-3 min) phagocytic cup formation, which is completely abolished by deletion or mutation of the FcR γ chain or conditional deletion of the signal transducer Syk. FcγR-mediated phagocytic cups robustly arise from any point of cell-particle contact, including filopodia. In the absence of CR3, FcγR-mediated phagocytic cups exhibit delayed closure and become aberrantly elongated. Independent of FcγRs, CR3 mediates sporadic ingestion of complement-opsonized particles by rapid phagocytic cup-like structures, typically emanating from membrane ruffles and largely prevented by deletion of the immunoreceptor tyrosine-based activation motif (ITAM) adaptors FcR γ chain and DAP12 or Syk. Deletion of ITAM adaptors or Syk clearly revealed that there is a slow (10-25 min) sinking mode of phagocytosis via a restricted orifice. In summary, we show that (1) CR3 indeed mediates a slow sinking mode of phagocytosis, which is accentuated by deletion of ITAM adaptors or Syk, (2) CR3 induces phagocytic cup-like structures, driven by ITAM adaptors and Syk, and (3) CR3 is involved in forming and closing FcγR-mediated phagocytic cups.
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Complement receptor 3 mediates both sinking phagocytosis and phagocytic cup formation via distinct mechanisms. J Biol Chem 2021:jbc.RA120.015346. [PMID: 33397789 DOI: 10.1074/jbc.ra120.015346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Accepted: 01/04/2021] [Indexed: 12/14/2022] Open
Abstract
A long-standing hypothesis is that complement receptors (CRs), especially CR3, mediate sinking phagocytosis, but evidence is lacking. Alternatively, CRs have been reported to induce membrane ruffles or phagocytic cups, akin to those induced by Fcγ receptors (FcγRs), but the details of these events are unclear. Here we used real-time 3D imaging and knockout mouse models to clarify how particles (human red blood cells) are internalized by resident peritoneal F4/80+ cells (macrophages) via CRs and/or FcγRs. We first show that FcγRs mediate highly efficient, rapid (2-3 min) phagocytic cup formation, which is completely abolished by deletion or mutation of the FcR γ-chain or conditional deletion of the signal transducer Syk. FcγR-mediated phagocytic cups robustly arise from any point of cell-particle contact, including filopodia. In the absence of CR3, FcγR-mediated phagocytic cups exhibit delayed closure and become aberrantly elongated. Independent of FcgRs, CR3 mediates sporadic ingestion of complement-opsonized particles by rapid phagocytic cup-like structures, typically emanating from membrane ruffles and largely prevented by deletion of the immunoreceptor tyrosine-based activation motif (ITAM) adaptors FcR γ-chain and DAP12 or Syk. Deletion of ITAM adaptors or Syk clearly revealed that there is a slow (10-25 min) sinking mode of phagocytosis via a restricted orifice. In summary, we show that (1) CR3 indeed mediates a slow sinking mode of phagocytosis, which is accentuated by deletion of ITAM adaptors or Syk, (2) CR3 induces phagocytic cup-like structures, driven by ITAM adaptors and Syk, and (3) CR3 is involved in forming and closing FcγR-mediated phagocytic cups.
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Association of different cancer types and benefit from nutritional support in patients at nutritional risk: secondary analysis of a prospective randomized trial. Clin Nutr ESPEN 2020. [DOI: 10.1016/j.clnesp.2020.09.460] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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SERPINA1 modulates expression of amyloidogenic transthyretin. Exp Cell Res 2020; 395:112217. [PMID: 32768500 DOI: 10.1016/j.yexcr.2020.112217] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 07/31/2020] [Accepted: 08/01/2020] [Indexed: 12/14/2022]
Abstract
Hereditary transthyretin amyloidosis (ATTR) is caused by amyloid deposition of misfolded transthyretin (TTR) in various tissues. Recently, reduction of circulating serum TTR, achieved via silencing oligonucleotides, was introduced as therapy of ATTR amyloidosis. We explored the impact of Serpin Family A Member 1 (SERPINA1) on TTR mRNA and protein expression. Oncostatin M (OSM) induced SERPINA1 in hepatoma cells and mice, while concomitantly TTR expression was significantly reduced. SERPINA1 knockdown resulted in specific elevated TTR expression in hepatoma cells; however other genes belonging to the group of acute phase proteins were unaffected. In mice, serum TTR was elevated after mSERPINA1 knockdown throughout antisense treatment. Following SERPINA1 knockdown, TTR deposition in several tissues, including dorsal root ganglia and intestine, was found to be increased, however numbers did not exceed significance levels. The data suggest that SERPINA1 is a co-factor of TTR expression. Our findings provide novel insight in the regulation of TTR and reveal a role of SERPINA1 in the pathogenesis of ATTR amyloidosis.
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The Receptor for Advanced Glycation Endproducts (RAGE) Contributes to Severe Inflammatory Liver Injury in Mice. Front Immunol 2020; 11:1157. [PMID: 32670276 PMCID: PMC7326105 DOI: 10.3389/fimmu.2020.01157] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Accepted: 05/11/2020] [Indexed: 12/24/2022] Open
Abstract
Background: The receptor for advanced glycation end products (RAGE) is a multiligand receptor involved in a number of processes and disorders. While it is known that RAGE-signaling can contribute to toxic liver damage and fibrosis, its role in acute inflammatory liver injury and septic multiorgan failure is yet undefined. We examined RAGE in lipopolysaccharide (LPS) induced acute liver injury of D-galN sensitized mice as a classical model for tumor necrosis factor alpha (TNF-α) dependent inflammatory organ damage. Methods: Mice (Rage–/– and C57BL/6) were intraperitoneally injected with D-galN (300 mg/kg) and LPS (10 μg/kg). Animals were monitored clinically, and cytokines, damage associated molecular pattern molecules (DAMPs) as well as liver enzymes were determined in serum. Liver histology, hepatic cytokines as well as RAGE mRNA expression were analyzed. Cellular activation and functionality were evaluated by flow cytometry both in bone marrow- and liver-derived cells. Results: Genetic deficiency of RAGE significantly reduced the mortality of mice exposed to LPS/D-galN. Hepatocyte damage markers were reduced in Rage–/– mice, and liver histopathology was less severe. Rage–/– mice produced less pro-inflammatory cytokines and DAMPs in serum and liver. While immune cell functions appeared normal, TNF-α production by hepatocytes was reduced in Rage–/– mice. Conclusions: We found that RAGE deletion attenuated the expression of pro-inflammatory cytokines and DAMPs in hepatocytes without affecting cellular immune functions in the LPS/D-galN model of murine liver injury. Our data highlight the importance of tissue-specific RAGE-signaling also in acute inflammatory liver stress contributing to sepsis and multiorgan failure.
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Author Correction: Tibio-Femoral Contact Force Distribution is Not the Only Factor Governing Pivot Location after Total Knee Arthroplasty. Sci Rep 2019; 9:6188. [PMID: 30971709 PMCID: PMC6458110 DOI: 10.1038/s41598-019-41668-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Tibio-Femoral Contact Force Distribution is Not the Only Factor Governing Pivot Location after Total Knee Arthroplasty. Sci Rep 2019; 9:182. [PMID: 30655583 PMCID: PMC6336768 DOI: 10.1038/s41598-018-37189-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2018] [Accepted: 11/30/2018] [Indexed: 01/11/2023] Open
Abstract
Total knee arthroplasty aims to mimic the natural knee kinematics by optimizing implant geometry, but it is not clear how loading relates to tibio-femoral anterior-posterior translation or internal-external pivoting. We hypothesised that the point of pivot in the transverse plane is governed by the location of the highest axial force. Tibio-femoral loading was measured using an instrumented tibial component in six total knee arthroplasty patients (aged 65–80y, 5–7y post-op) during 5–6 squat repetitions, while knee kinematics were captured using a mobile video-fluoroscope. In the range of congruent tibio-femoral contact the medial femoral condyle remained approximately static while the lateral condyle translated posteriorly by 4.1 mm (median). Beyond the congruent range, the medial and lateral condyle motions both abruptly changed to anterior sliding by 4.6 mm, and 2.6 mm respectively. On average, both the axial loading and pivot position were more medial near extension, and transferred to the lateral side in flexion. However, no consistent relationship between pivoting and load distribution was found across all patients throughout flexion, with R2 values ranging from 0.00 to 0.65. Tibio-femoral kinematics is not related to the load distribution alone: medial loading of the knee does not necessarily imply a medial pivot location.
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The influence of muscle-tendon forces on ACL loading during jump landing: a systematic review. Muscles Ligaments Tendons J 2019. [DOI: 10.32098/mltj.01.2017.16] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Dimensionality-Driven Metal-Insulator Transition in Spin-Orbit-Coupled SrIrO_{3}. PHYSICAL REVIEW LETTERS 2017; 119:256404. [PMID: 29303315 DOI: 10.1103/physrevlett.119.256404] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Indexed: 05/27/2023]
Abstract
Upon reduction of the film thickness we observe a metal-insulator transition in epitaxially stabilized, spin-orbit-coupled SrIrO_{3} ultrathin films. By comparison of the experimental electronic dispersions with density functional theory at various levels of complexity we identify the leading microscopic mechanisms, i.e., a dimensionality-induced readjustment of octahedral rotations, magnetism, and electronic correlations. The astonishing resemblance of the band structure in the two-dimensional limit to that of bulk Sr_{2}IrO_{4} opens new avenues to unconventional superconductivity by "clean" electron doping through electric field gating.
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Influence of the Pipe Diameter on the Structure of the Gas-Liquid Interface in a Vertical Two-Phase Pipe Flow. NUCL TECHNOL 2017. [DOI: 10.13182/nt05-a3657] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Predictors of nonresponse to fluid restriction in hyponatraemia due to the syndrome of inappropriate antidiuresis. J Intern Med 2016; 280:609-617. [PMID: 27481546 DOI: 10.1111/joim.12532] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND Fluid restriction (FR), the first-line treatment for hyponatraemia due to the syndrome of inappropriate antidiuresis (SIAD), often does not lead to successful correction of hyponatraemia. Therefore, predictive markers of treatment response are desirable. We evaluated routinely measured serum (s) and urine (u) parameters, s-copeptin and s-mid-regional pro-atrial natriuretic peptide (s-MR-proANP), as possible predictors of FR response. METHODS In this prospective observational study, we included patients with profound hyponatraemia (s-sodium <125 mmol L-1 ) due to SIAD. Patients were classified as FR responders (increase in s-sodium concentration of >3 mmol L-1 within 24 h) or nonresponders (increase of ≤3 mmol L-1 within 24 h). Initial laboratory parameters were compared between groups with logistic regression analysis. RESULTS Of 106 SIAD patients analysed, 82 underwent treatment with FR; 48 (59%) patients showed a successful response to FR and 34 (41%) were considered nonresponders. High levels of u-sodium and u-osmolality were significantly associated with nonresponse to FR [odds ratio (OR) 15.0, 95% confidence interval (CI) 2.4-95.8, P = 0.004 and OR 34.8, 95% CI 1.2-1038.8, P = 0.041, respectively). The association of u-sodium and nonresponse remained significant also after adjustment for diuretic use. Lower levels of s-MR-proANP were associated with nonresponse (OR 0.03, 95% CI 0.003-0.3, P = 0.004), whereas s-copeptin was not significantly associated with response to FR. CONCLUSION Easily measured laboratory parameters, especially u-sodium, correlate with therapeutic response and identify patients most likely to fail to respond to FR. Measurement of these parameters may facilitate early treatment choice in patients with SIAD.
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Erratum to: 36th International Symposium on Intensive Care and Emergency Medicine: Brussels, Belgium. 15-18 March 2016. Crit Care 2016; 20:347. [PMID: 31268434 PMCID: PMC5078922 DOI: 10.1186/s13054-016-1358-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2016] [Accepted: 05/13/2016] [Indexed: 11/27/2022] Open
Abstract
[This corrects the article DOI: 10.1186/s13054-016-1208-6.].
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MON-LB274: Outcome after Preoperative Immunonutrition in Head and Neck Squamous Cell Carcinoma Patients. Clin Nutr 2016. [DOI: 10.1016/s0261-5614(16)30908-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Copeptin in the Diagnosis and Differential Diagnosis of Diabetes Insipidus – The ‘CoSIP-Study’. Exp Clin Endocrinol Diabetes 2014. [DOI: 10.1055/s-0034-1372046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Evaluation of an algorithm for intensive subcutaneous insulin therapy in noncritically ill hospitalised patients with hyperglycaemia in a randomised controlled trial. Swiss Med Wkly 2013; 143:w13808. [DOI: 10.4414/smw.2013.13808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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The multipurpose thermalhydraulic test facility TOPFLOW: an overview on experimental capabilities, instrumentation and results. KERNTECHNIK 2013. [DOI: 10.3139/124.100289] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Abstract
A new multipurpose thermalhydraulic test facility TOPFLOW (TwO Phase FLOW) was built and put into operation at Forschungszentrum Rossendorf in 2002 and 2003. Since then, it has been mainly used for the investigation of generic and applied steady state and transient two phase flow phenomena and the development and validation of models of Computational Fluid Dynamic (CFD) codes in the frame of the German CFD initiative. The advantage of TOPFLOW consists in the combination of a large scale of the test channels with a wide operational range both of the flow velocities as well as of the system pressures and temperatures plus finally the availability of a special instrumentation that is capable in high spatial and temporal resolving two phase flow phenomena, for example the wire-mesh sensors.
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Simple and fast prediction of Legionella sp. in community-acquired pneumonia: validation of a prediction rule. Crit Care 2013. [PMCID: PMC3642691 DOI: 10.1186/cc11977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Abstract
Agomelatine is a new antidepressive drug, that is successfully applied in therapy of insomnia and depression. Until now, there has been no report on its application as add-on medication in therapy for the withdrawl ob benzodiazepine.We are reporting a case of a forty-year-old male patient who was treated with Agomelatine in lorazepam withdrawl therapy. He showed a considerabel reduction of craving as well as of insomnia and vegetative symptoms.Therefore there is the question if the substance has its own anti-craving component and to what extent the melatonin-receptor profile is involved.
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Häufigkeit von Impulskontrollstörungen bei stationären Patienten. Psychother Psychosom Med Psychol 2011. [DOI: 10.1055/s-0031-1272412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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[Long-term analysis of disability pensions in survivors of the Holocaust: somatic and psychiatric diagnoses]. FORTSCHRITTE DER NEUROLOGIE-PSYCHIATRIE 2010; 78:715-21. [PMID: 21136340 DOI: 10.1055/s-0029-1245755] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
OBJECTIVE Survivors of the Holocaust are known to suffer more often from mental as well as somatic consequential illness. The assessment of the degree of disability and invalidity due to the persecution complies with the interaction of directly Holocaust-related mental and somatic primary injuries as well as physical, psychical and psychosocial disadvantages and illnesses acquired later on. METHODS The presented descriptive as well as multivariate analyses included complete reports (expertise, medical records, physicians' assessments, witnessed hand-written notes of the patients) of 56 survivors of the Holocaust (36 women and 20 men). RESULTS The disability pension reports of 56 Holocaust survivors (36 women and 20 men) were analysed referring to the diagnostic groups and socio-demographic aspects. In 92.3 % a psychiatric illness could be diagnosed within the first year after liberation. In a separate analysis of somatic diagnoses, gastrointestinal diseases were statistically significant more often in Holocaust survivors with a degree of disability of more than 30 % (chi-square χ (2) = 4.0; df = 1; p = 0.046). CONCLUSIONS The question of an aggravation of psychiatrically relevant and persecution-associated symptomatology is mainly the objective of the expert opinion taking into account endogenous and exogenous factors such as so-called life events. Above all, newly acquired somatic diseases seem to be responsible for an aggravation of persecution-associated psychiatric symptoms, at least in the presented sample of Holocaust survivors.
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Benchmark database on the evolution of two-phase flows in a vertical pipe. NUCLEAR ENGINEERING AND DESIGN 2010. [DOI: 10.1016/j.nucengdes.2009.11.010] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Safety of vagus nerve stimulation in a patient with bipolar disorder and an implanted cardioverter-defibrillator. Acta Neurol Scand 2010; 121:285-6; author reply 287-8. [PMID: 20175760 DOI: 10.1111/j.1600-0404.2010.01328.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Mutagen sensitivity of human lymphoblastoid cells with a BRCA1 mutation in comparison to ataxia telangiectasia heterozygote cells. CYTOGENETICS AND CELL GENETICS 2001; 91:261-6. [PMID: 11173867 DOI: 10.1159/000056855] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Our previous results indicated a close relationship between the presence of a BRCA1 mutation in lymphocytes and hypersensitivity for the induction of micronuclei by gamma irradiation and hydrogen peroxide (H(2)O(2)). Comparative investigations with the comet assay (single-cell gel electrophoresis) suggested a normal rate of damage removal and pointed to a disturbed fidelity of DNA repair as a direct or indirect consequence of a BRCA1 mutation. We now wanted to see whether similar results could be obtained with lymphoblastoid cell lines (LCLs) and whether such permanent cells are suitable as a model for the investigation of mechanisms involved in mutagen sensitivity. Our results show that LCLs with a BRCA1 mutation are also hypersensitive to the chromosome-damaging effects of gamma irradiation or H(2)O(2), as revealed by the micronucleus test. Interestingly, LCLs heterozygous for an ataxia telangiectasia (AT) mutation have similar characteristics as BRCA1 cells with respect to the induction and repair of DNA damage induced by either gamma irradiation or H(2)O(2). However, caffeine enhanced the induction of micronuclei by gamma irradiation only in normal and heterozygous AT cells but not in BRCA1 cells, thus indicating a difference in the pathways leading to mutagen sensitivity in cells with a BRCA1 or an AT mutation. Our results suggest that caffeine could be useful in discriminating AT heterozygotes from carriers of a BRCA1 mutation, as well as BRCA1 mutation carriers from normal individuals.
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First report of lymphatic mapping with isosulfan blue dye and sentinel node biopsy in cervical cancer. Anticancer Res 2000; 20:1133-4. [PMID: 10810409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
BACKGROUND Sentinel lymph node status provides important information about the status of the regional nodes in various malignant tumors. Our report describes a method of identifying the sentinel lymph nodes in cervical cancer. PATIENTS AND METHODS In three cases of early cervical cancer, isosulfan blue dye was injected paracervically into each lateral fornix immediately before surgery. RESULTS In all cases we identified two to three blue stained (sentinel) lymph nodes located either at the iliac artery or in the obturatory space. The blue colored nodes were positive for disease, all other pelvic lymph nodes removed were negative. CONCLUSIONS Our findings demonstrate that preoperative lymphatic mapping with vital blue dye is an easy to perform technique to visualize sentinel lymph nodes in cervical cancer. Sentinel lymph node status may be representative of the pelvic lymph node status in cervical cancer and thus could provide important information for further treatment.
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Induced micronucleus frequencies in peripheral lymphocytes as a screening test for carriers of a BRCA1 mutation in breast cancer families. Cancer Res 2000; 60:390-4. [PMID: 10667592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
Abstract
Enhanced sensitivity to the chromosome-damaging effects of ionizing radiation is a feature of many cancer-predisposing conditions. It has been suggested that women with breast cancer are deficient in the repair of radiation-induced DNA damage. We have now investigated whether mutagen sensitivity is related to mutations in the breast cancer gene BRCA1. We studied the induction and repair of DNA damage in lymphocytes of women from families with familial breast cancer and breast and ovarian cancer. The mutagens used were gamma-irradiation and hydrogen peroxide and the DNA effects were determined with the micronucleus test and the comet assay. Women with a BRCA1 mutation (n = 12) and relatives without the familial mutation (n = 10) were compared to controls (i.e., healthy women without family history of breast or ovarian cancer; n = 17). Our results indicate a close relationship between the presence of a BRCA1 mutation and sensitivity for the induction of micronuclei. Compared to a concurrent control, 10 of 11 women with a BRCA1 mutation showed elevated radiation sensitivity. Of the 10 related women without the familial mutation, only 2 had clearly enhanced micronucleus frequencies. In addition to the sensitivity toward gamma-irradiation, hypersensitivity toward hydrogen peroxide was also observed, indicating that the mutagen sensitivity is not solely due to a defect in the repair of DNA double strand breaks. In contrast to the results with the micronucleus assay, we found no significant difference between women with and without a BRCA1 mutation with respect to the induction and repair of DNA damage in the comet assay. This finding suggests a normal rate of damage removal and points to a disturbed fidelity of DNA repair as a direct or indirect consequence of a BRCA1 mutation. Our results support the usefulness of induced micronucleus frequencies as a biomarker for cancer predisposition and suggest its application as a screening test for carriers of a BRCA1 mutation in breast cancer families.
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Induction and repair of formaldehyde-induced DNA-protein crosslinks in repair-deficient human cell lines. Mutagenesis 2000; 15:85-90. [PMID: 10640535 DOI: 10.1093/mutage/15.1.85] [Citation(s) in RCA: 65] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
We have previously shown that the alkaline Comet assay (single cell gel electrophoresis) in a modified version is a sensitive test for the detection of formaldehyde-induced DNA-protein crosslinks (DPC). Our results also indicated that formaldehyde-induced DPC are related to the formation of chromosomal effects such as micronuclei and sister chromatid exchanges. To better understand the genetic consequences of formaldehyde-induced DPC we have now investigated the induction and removal of DPC in relationship to the formation of micronuclei in normal and repair-deficient human cell lines. We did not find significant differences between normal cells, a xeroderma pigmentosum (XP) cell line and a Fanconi anaemia (FA) cell line with respect to the induction and removal of DPC. However, the induction of micronuclei was enhanced in both repair-deficient cell lines, particularly in XP cells, under the same treatment conditions. Comparative investigations with the DNA-DNA crosslinker mitomycin C (MMC) revealed a delayed removal of crosslinks and enhanced induction of micronuclei in both repair-deficient cell lines. FA cells were found to be particularly hypersensitive to micronucleus induction by MMC. In contrast to the results with formaldehyde, induction of micronuclei by MMC occurred at much lower concentrations than the effects in the Comet assay. Our results suggest that more than one repair pathway can be involved in the repair of crosslinks and that disturbed excision repair has more severe consequences with regard to the formation of chromosomal aberrations after formaldehyde treatment than has disturbed crosslink repair.
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The influence of temperature during alkaline treatment and electrophoresis on results obtained with the comet assay. Toxicol Lett 1999; 110:73-8. [PMID: 10593597 DOI: 10.1016/s0378-4274(99)00137-x] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
The alkaline comet assay (single-cell gel electrophoresis) is becoming established as a genotoxicity test with many fold applications in vitro and in vivo. While the underlying principles are identical, various modifications of the method are in use which clearly affect the sensitivity and resolving power of the assay. One variable of potential importance that has been disregarded until now is temperature during alkaline treatment and electrophoresis. We therefore performed comet assay experiments with human blood and V79 Chinese hamster cells using two different temperatures (4 and 20 degrees C, i.e. room temperature) during alkaline treatment and electrophoresis. DNA damage was induced by the two standard mutagens gamma irradiation and methyl methanesulfonate (MMS). The results clearly indicate significant differences in the detection of background and mutagen-induced DNA damage at these two temperatures. Under otherwise identical test conditions (including the duration of alkaline treatment and electrophoresis), increased temperature during alkaline treatment and electrophoresis strongly enhances DNA migration. Our findings suggest that the comet assay should be performed under strictly controlled and reproducible temperature conditions. In any case the temperature during alkaline treatment and electrophoresis should be stated in a publication to allow for a critical evaluation of results obtained with the comet assay.
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Abstract
This case report presents the perioperative management of double-sided hip arthroplasty in a patient (female, 25 years old) homozygous for sickle cell anemia (SS). The fraction of sickle hemoglobin (Hb S) to total hemoglobin was monitored with an automated cation exchange microcolumn chromatography. The main purpose of ion exchange chromatography is to measure glycated hemoglobin A (HbA1c) in diabetic patients. Furthermore, as a by-product, this test enables the quantitative assessment of aberrant hemoglobin molecules such as sickle cell hemoglobin Hb S with sufficient precision and selectivity. The standard method, hemoglobin-electrophoresis is more complicated and not generally available. For the perioperative estimation of the risk for sickle cell related complications and as a guide for transfusion therapy, knowledge of preoperative Hb S level is essential. In this case report, the clinical use of a rapid laboratory test at low costs with common equipment in a patient with known homozygous sickle cell anemia is demonstrated.
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Management of case fees and special charges with aid of the coding system "do it". DER ORTHOPADE 1999; 28:270-276. [PMID: 28246945 DOI: 10.1007/pl00003607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
INTRODUCTION With the German health care restructuring legislation ("Gesundheitsstrukturgesetz") the coding of diagnoses and operations according to ICD-9 and ICPM (OPS-301) was introduced for budget assignment ("Fallpauschalen/Sonderentgelte"). METHODS Application of the structured coding system "do it" in orthopeadics and traumatology in combination with a surgical documentation system. Results of 8,664 documented operative cases within three years. RESULTS In total, 11,854 ICD-9 or ICD-10 and 20,178 ICPM (OPS-301) were coded. 2,914 "Fallpauschalen" and/or 3,456 "Sonderentgelte" were found. The System achieved high acceptance due to its userfriendliness and simple functionality. DISCUSSION In comparison with text- or thesaurus-based coding systems the "do it" coding system does not require any knowledge of the ICD or ICPM (OPS-301). It can be adapted to individual clinical requirements by implementing frequent diagnoses and individual therapy concepts. In combination with a medical information system the coding system can be integrated seamlessly into routine documentation.
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[Management of case fees and special charges by using the coding system "do it"]. DER ORTHOPADE 1999; 28:270-6. [PMID: 10326210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
Abstract
INTRODUCTION With the German health care restructuring legislation ("Gesundheitsstrukturgesetz") the coding of diagnoses and operations according to ICD-9 and ICPM (OPS-301) was introduced for budget assignment ("Fallpauschalen/Sonderentgelte"). METHODS Application of the structured coding system "do it" in orthopedics and traumatology in combination with a surgical documentation system. Results of 8,664 documented operative cases within three years. RESULTS In total, 11,854 ICD-9 or ICD-10 and 20,178 ICPM (OPS-301) were coded. 2,914 "Fallpauschalen" and/or 3,456 "Sonderentgelte" were found. The System achieved high acceptance due to its userfriendliness and simple functionality. DISCUSSION In comparison with text- or thesaurus-based coding systems the "do it" coding system does not require any knowledge of the ICD or ICPM (OPS-301). It can be adapted to individual clinical requirements by implementing frequent diagnoses and individual therapy concepts. In combination with a medical information system the coding system can be integrated seamlessly into routine documentation.
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Comparative evaluation of the genotoxic properties of potassium bromate and potassium superoxide in V79 Chinese hamster cells. Mutat Res 1999; 439:213-21. [PMID: 10023063 DOI: 10.1016/s1383-5718(98)00200-9] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The genotoxic potential of two oxidizing compounds, potassium bromate and potassium superoxide, was comparatively tested in various genotoxicity tests with V79 Chinese hamster cells. Both substances clearly induced cytotoxicity, chromosome aberrations and increased DNA migration in the alkaline comet assay. Using a modified comet assay protocol with FPG protein, a DNA repair enzyme which specifically nicks DNA at sites of 8-oxoguanines and formamidopyrimidines, we detected oxidative DNA base damage only after potassium bromate treatment. HPLC analysis also revealed significantly increased levels of 8-oxodeoxyguanosine after potassium bromate treatment but not after potassium superoxide treatment. Furthermore, potassium bromate clearly induced gene mutations at the HPRT locus while potassium superoxide only had a small effect on HPRT mutant frequencies. Molecular analysis of potassium bromate-induced mutations indicated a high portion of deletion mutations. Three out of four point mutations were G to T transversions which typically arise after replication of 8-oxoguanine. Our results suggest that the two oxidizing compounds induce specific patterns of genotoxic effects that reflect the types of DNA alterations induced by different reactive oxygen species (ROS).
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Measurement of the τ−→h − h + h − v τ and τ−→h − h + h −≥1π0 v τ branching ratios. ACTA ACUST UNITED AC 1995. [DOI: 10.1007/bf01565256] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Transition from stationary to traveling localized patterns in a two-dimensional reaction-diffusion system. PHYSICAL REVIEW. E, STATISTICAL PHYSICS, PLASMAS, FLUIDS, AND RELATED INTERDISCIPLINARY TOPICS 1995; 52:4465-4473. [PMID: 9963919 DOI: 10.1103/physreve.52.4465] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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The production of neutral kaons in Z0 decays and their Bose-Einstein correlations. ACTA ACUST UNITED AC 1995. [DOI: 10.1007/bf01624582] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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[Langerhans-cell histiocytosis in children]. CESKOSLOVENSKA PEDIATRIE 1992; 47:530-3. [PMID: 1394565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Histiocytosis from Langerhans cells is a new term for a group of diseases formerly called histiocytosis X. In The Faculty Hospital Motol the authors treated between July 1974 and December 1980 84 children with this disease. Twenty one suffered from the malignant form (formerly Letterer-Siwe and Hand-Schüller-Christian disease) and in 63 patients the diagnosis of eosinophil granuloma was established. In 21 children with unequivocally malignant disease the authors started chemotherapy immediately after establishment of the diagnosis and in six they indicated in addition radiotherapy. Of these 21 children 16 are in complete remission and 5 children died from progression of the disease during treatment. In the group of 63 children with eosinophil granuloma in 44 only excochleation of the focus was performed. Chemotherapy was administered to 12 children, incl. 5 where it was combined with radiotherapy. A relapse of the disease was recorded in 8 children. At present all patients suffering from the disease are in complete remission.
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Alterations in Krebs cycle enzyme activities and carbohydrate catabolism in two strains of Trypanosoma brucei during in vitro differentiation of their bloodstream to procyclic stages. Mol Biochem Parasitol 1991; 45:19-27. [PMID: 1904988 DOI: 10.1016/0166-6851(91)90023-y] [Citation(s) in RCA: 49] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
A rapid switch from a fermentative to a primarily oxidative type of glucose utilization was observed during in vitro differentiation of Trypanosoma brucei STIB348 and EATRO1244 bloodstream to procyclic trypomastigotes. In accordance with previously published reports bloodstream populations produced pyruvate as the major end product of glucose catabolism, together with very small amounts of CO2, succinate and glycerol. During differentiation pyruvate excretion decreased within 48 h to the low levels produced by 28-day procyclic stages. Concomitant with the decline in pyruvate formation, acetate appeared as a new product and the rates of respiratory CO2 increased considerably. The amount of carbon released with these compounds could account for nearly all of the glucose carbon consumed. Rates of glucose utilization and formation of acetate and CO2 in cells differentiated for 48 h were essentially the same as those found in 28-day procyclics. Succinate and glycerol excretion remained low during the entire transformation process, and no significant difference in the pattern and quantities of end products were found between the two trypanosome strains. During trypanosome differentiation the changes in metabolism were associated with marked alterations in enzyme activity levels. Activities of the tricarboxylic acid (TCA) cycle enzymes citrate synthase, isocitrate dehydrogenase (NAD+), succinate dehydrogenase and fumarase were not detectable in bloodstream trypomastigotes but appeared upon differentiation for 24 h. An exception was citrate synthase whose activity was not demonstrable until 48 h postinoculation into culture. After 48 h the majority of the TCA cycle enzyme activities continued to increase steadily until day 28. Pyruvate kinase activity decreased in differentiating cells after 48 h to about 25% of the level found in bloodstream trypomastigotes.(ABSTRACT TRUNCATED AT 250 WORDS)
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[Injuries of the facial skeleton in children]. PRAKTICKE ZUBNI LEKARSTVI 1990; 38:270-6. [PMID: 2098760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
An analysis of a group of patients hospitalized in 1985-1989 at the Dental Clinic for Children on account of facial injuries revealed a higher incidence of injuries in boys, as compared with girls, the ratio being approximately 1.8:1. The highest incidence was recorded in the group aged 9-10 years. Among skeletal injuries isolated mandibular fractures predominated followed by isolated fractures of the alveolar processes (19%) and isolated fractures of the middle portion of the face (12%). The most frequent fracture was that of the articular process of the mandible. 20% of the injuries patients had associated injuries, mostly of the CNS. In the aetiology of facial skeletal fractures falls from a bicycle held an important place (28%). From the therapeutics aspects 68% of the cases were treated by conservative methods, 25% were operated and 7% were left without treatment.
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[Psychological characteristics of patients undergoing surgery for jaw anomalies]. CESKOSLOVENSKA PEDIATRIE 1989; 44:426-7. [PMID: 2791090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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[Modern possibilities of orthodonto-surgical treatment of jaw anomalies in adolescents]. CESKOSLOVENSKA PEDIATRIE 1989; 44:337-40. [PMID: 2758491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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[Fibrous dysplasia of the facial bones in children]. ROZHLEDY V CHIRURGII : MESICNIK CESKOSLOVENSKE CHIRURGICKE SPOLECNOSTI 1986; 65:824-30. [PMID: 3810325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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