1
|
Deleersnijder D, Laurens W, De Meester J, Cleenders E, Dendooven A, Lerut E, De Vriese AS, Dejagere T, Helbert M, Hellemans R, Koshy P, Maes B, Pipeleers L, Van Craenenbroeck AH, Van Laecke S, Vande Walle J, Couttenye MM, Meeus G, Sprangers B, De Rycke A, Bogaert AM, Woestenburg A, Denys B, Maes B, Peeters D, Vanbelleghem H, Donck J, Scharpé J, De Clippeleir N, Colson A, Meyvis K, Vandepitte K, Reyns LM, Peeters J, Decupere M, Helbert M, Zeegers M, Neirynck N, Bernaert P, Dejagere T, Lemahieu W, Sprangers B, Pipeleers L, Hellemans R, Van Laecke S, Knops N, Levtchenko E, Walle JV, Karamaria S, Van Hoeck K, Trouet D, Mauel R, Dendooven A, Hoorens A, Van Dorpe J, Praet M, Geers C, Lerut E, Koshy P, Roskams T, Aydin S, Siozopoulou V, Schelfhout AM, De Raeve H, Steenkiste E, Dedeurwaerdere F, Dalle I, Cokelaere K, Deloose S, De Paepe P, Van Eyken P. Clinicopathological characteristics and disease chronicity in native kidney biopsies in Flanders. Clin Kidney J 2022; 16:125-137. [PMID: 36726429 PMCID: PMC9871845 DOI: 10.1093/ckj/sfac208] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Indexed: 02/04/2023] Open
Abstract
Background The Flemish Collaborative Glomerulonephritis Group (FCGG) registry provides complete population data on kidney disease epidemiology in the region of Flanders (Belgium), as it captures all native kidney biopsies performed in its population of 6.5 million inhabitants. Methods From 2017 until 2019, 2054 adult kidney biopsies were included from 26 nephrology centers (one biopsy per patient). Data on nephrotic and nephritic syndrome were available in 1992 and 2026 biopsies, respectively. In a subgroup of 898 biopsies containing ≥10 glomeruli from 2018 to 2019, disease chronicity was graded using the Mayo Clinic Chronicity Score (MCCS). The association between clinical variables and MCCS was determined using simple and multiple linear regression models. Results Nephrotic syndrome (present in 378 patients, 19.0%) was most frequently caused by minimal change disease in younger patients (18-44 years), membranous nephropathy in older patients (45-74 years) and amyloidosis in the elderly (>75 years). Nephritic syndrome (present in 421 patients, 20.8%) was most frequently caused by immunoglobulin A nephropathy (IgAN) in younger patients (18-64 years) and ANCA-associated vasculitis (AAV) in older patients (>64 years). AAV and IgAN were the most frequent underlying diagnoses in biopsies in which crescents were identified. In multivariable analysis, acute and chronic kidney disease and diagnoses of diabetic kidney disease, nephrosclerosis and hyperoxaluria/hypercalcemic nephropathy were associated with the highest MCCS increases. Conclusions The FCGG registry validates data from previous Western European registries and provides a snapshot of disease chronicity in the whole biopsied Flemish population.
Collapse
Affiliation(s)
| | | | - Johan De Meester
- Department of Nephrology and Dialysis, VITAZ Hospital, Sint-Niklaas, Belgium
| | - Evert Cleenders
- Department of Microbiology, Immunology and Transplantation, Nephrology and Renal Transplantation Research Group, KU Leuven, Leuven, Belgium
| | - Amélie Dendooven
- Division of Pathology, University Hospital Ghent, Ghent, Belgium,Laboratory of Experimental Medicine and Pediatrics, University of Antwerp, Wilrijk, Belgium
| | - Evelyne Lerut
- Department of Imaging and Pathology, KU Leuven, Leuven, Belgium,Department of Pathology, University Hospitals Leuven, Leuven, Belgium
| | - An S De Vriese
- Department of Internal Medicine and Pediatrics, Ghent University, Ghent, Belgium,Department of Nephrology and Infectious Diseases, AZ Sint-Jan, Brugge, Belgium
| | - Tom Dejagere
- Department of Nephrology, Jessa Hospital, Hasselt, Belgium
| | - Mark Helbert
- Department of Nephrology, ZNA Middelheim Hospital, Antwerp, Belgium
| | - Rachel Hellemans
- Laboratory of Experimental Medicine and Pediatrics, University of Antwerp, Wilrijk, Belgium,Department of Nephrology, Antwerp University Hospital, Edegem, Belgium
| | - Priyanka Koshy
- Department of Pathology, University Hospitals Leuven, Leuven, Belgium
| | - Bart Maes
- Department of Nephrology, AZ Delta, Roeselare, Belgium
| | - Lissa Pipeleers
- Department of Nephrology, University Hospital Brussels, Brussels, Belgium
| | - Amaryllis H Van Craenenbroeck
- Department of Nephrology, University Hospitals Leuven, Leuven, Belgium,Department of Microbiology, Immunology and Transplantation, Nephrology and Renal Transplantation Research Group, KU Leuven, Leuven, Belgium
| | - Steven Van Laecke
- Renal Division, Department of Internal Medicine, Ghent University Hospital, Ghent, Belgium
| | - Johan Vande Walle
- Department of Internal Medicine and Pediatrics, Ghent University, Ghent, Belgium,Department of Pediatric Nephrology, Ghent University Hospital, Ghent, Belgium
| | - Marie M Couttenye
- Laboratory of Experimental Medicine and Pediatrics, University of Antwerp, Wilrijk, Belgium,Department of Nephrology, Antwerp University Hospital, Edegem, Belgium
| | - Gert Meeus
- Department of Nephrology, AZ Groeninge Hospital, Kortrijk, Belgium
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
2
|
Rahnama N, Colson A, Baldin P, Pasquet A, Debiève F, Pierard S. Placental dysfunction in congenital heart disease: Insights from anatomical pathology. Archives of Cardiovascular Diseases Supplements 2022. [DOI: 10.1016/j.acvdsp.2022.07.009] [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: 11/27/2022]
|
3
|
Colson A, Depoix C, Baldin P, Mhallem-Gziri M, Steenhaut P, Vandermonde J, Van Grambezen A, Bernard P, Danhaive O, Hubinont C, Debiève F. 288. Assessment of sars-cov-2 vertical transmission: analysis of the 31 placentas from the PREG-COV study. Eur J Obstet Gynecol Reprod Biol 2022. [PMCID: PMC8941276 DOI: 10.1016/j.ejogrb.2021.11.151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
|
4
|
Mauhin W, Bouzidi H, Colson A, Lejour G, Miao Y, Montagner C, London J, Subran B, Amathieu R, Lazard T, Lidove O. [Fatal nutrient deficiencies after gastric bypass]. Rev Med Interne 2021; 42:729-733. [PMID: 34144843 DOI: 10.1016/j.revmed.2021.05.007] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 04/01/2021] [Accepted: 05/09/2021] [Indexed: 11/16/2022]
Abstract
INTRODUCTION Bariatric surgery is a very effective treatment for obesity. After gastric bypass, micronutrient deficiencies frequently occur which can have dramatic consequences. CASE REPORT We report the case of a 55-year-old woman who was admitted for psychomotor retardation, bilateral leg pitting edema and psoriasis-like rash that had been ongoing for 3 months. Pancytopenia, encephalopathy and heart failure rapidly occurred leading to multiorgan dysfunction syndrome and death. We retrospectively identified severe selenium deficiency with possible secondary cardiomyopathy, niacin deficiency resulting in pellagrous encephalopathy with skin lesions and gelatinous transformation of bone marrow. CONCLUSION Micronutrient deficiency should systematically be assessed when new symptoms occur in a patient with a history of bariatric surgery. Selenium deficiency should be considered in the presence of any heart failure in this context.
Collapse
Affiliation(s)
- W Mauhin
- Service de médecine interne, groupe hospitalier Diaconesses Croix-Saint-Simon, site Avron, 75020 Paris, France.
| | - H Bouzidi
- Service de réanimation, groupe hospitalier Diaconesses Croix-Saint-Simon, site Avron, 75020 Paris, France
| | - A Colson
- Service transversal de nutrition et diététique, Paris, France
| | - G Lejour
- Service de réanimation, groupe hospitalier Diaconesses Croix-Saint-Simon, site Avron, 75020 Paris, France
| | - Y Miao
- Service de médecine interne, groupe hospitalier Diaconesses Croix-Saint-Simon, site Avron, 75020 Paris, France
| | - C Montagner
- Service de médecine interne, groupe hospitalier Diaconesses Croix-Saint-Simon, site Avron, 75020 Paris, France
| | - J London
- Service de médecine interne, groupe hospitalier Diaconesses Croix-Saint-Simon, site Avron, 75020 Paris, France
| | - B Subran
- Service de médecine interne, groupe hospitalier Diaconesses Croix-Saint-Simon, site Avron, 75020 Paris, France
| | - R Amathieu
- Service de réanimation, groupe hospitalier Diaconesses Croix-Saint-Simon, site Avron, 75020 Paris, France
| | - T Lazard
- Service de réanimation, groupe hospitalier Diaconesses Croix-Saint-Simon, site Avron, 75020 Paris, France
| | - O Lidove
- Service de médecine interne, groupe hospitalier Diaconesses Croix-Saint-Simon, site Avron, 75020 Paris, France
| |
Collapse
|
5
|
Colson A, Walker D, Besser GM, Grossman AB, Chew SL, Jenkins PJ, Drake WM, Monson JP. Role of fasting plasma glucose, glycated haemoglobin and homeostatic model assessment in the detection of glucose intolerance in adult hypopituitary patients during growth hormone replacement therapy. Horm Res 2007; 69:83-8. [PMID: 18059088 DOI: 10.1159/000111811] [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] [Subscribe] [Scholar Register] [Received: 10/16/2006] [Accepted: 02/15/2007] [Indexed: 11/19/2022]
Abstract
AIMS This study was designed to determine the sensitivity and specificity of conventional criteria for diagnosis of impaired glucose tolerance (IGT) in a high-risk population of GH-treated GH deficient (GHD) adults. METHODS 33 hypopituitary GHD patients with HbA(1c) >5.1% and 13 gender- and age-matched control GHD patients were selected. Oral glucose tolerance test (OGTT), fasting plasma glucose (FPG), HbA(1c), and homeostatic model assessment (HOMA) parameters were determined in all patients. Receiver operator characteristic curves were used to determined sensitivity and specificity for the detection of glucose intolerance as defined by plasma glucose >7.8 mmol/l at 120 min during OGTT. RESULTS Sensitivity and specificity for this purpose for HbA(1c) (>5.1%) were 89 and 17%; for FPG (>5.5 mmol/l): 78 and 67%; for FPG (>6.1 mmol/l): 56 and 89%; for HOMA-derived beta-cell function (betaCF) (<40%): 78 and 58%; for HOMA-derived insulin sensitivity (IS) (<70%): 11 and 89%, and for betaCF-IS hyperbolic product (betaCF-IS) (<54%): 89 and 75%, respectively. CONCLUSIONS This study shows that FPG (>5.5 mmol/l) and betaCF-IS have high sensitivity and relatively high specificity for the detection of IGT and confirms that measurement of FPG or calculation of betaCF-IS provides appropriate safety surveillance in hypopituitary patients on GH replacement.
Collapse
Affiliation(s)
- A Colson
- Unit of Endocrinology and Nutrition, Cliniques Universitaires St-Luc, Brussels, Belgium
| | | | | | | | | | | | | | | |
Collapse
|
6
|
Bellovici M, Ketelslegers JM, Colson A, de Coninck V, Buysschaert M. Smoking is associated with increased levels of osteopontin in type 2 diabetic patients: preliminary results. Diabetes Metab 2007; 32:485-6. [PMID: 17110905 DOI: 10.1016/s1262-3636(07)70308-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
|
7
|
Colson A, Brooke AM, Walker D, Besser GM, Chew SL, Grossman AB, Jenkins PJ, Drake WM, Monson JP. Growth hormone deficiency and replacement in patients with treated Cushing's Disease, prolactinomas and non-functioning pituitary adenomas: effects on body composition, glucose metabolism, lipid status and bone mineral density. Horm Res 2006; 66:257-67. [PMID: 16914933 DOI: 10.1159/000095168] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2006] [Accepted: 06/23/2006] [Indexed: 11/19/2022]
Abstract
BACKGROUND/AIMS This study was designed to determine whether previous Cushing's disease (CD) or prolactinoma (PRL) could exert adverse effects additional to those of growth hormone (GH) deficiency as a consequence of variable degrees of prior hypogonadism or hypercatabolism. We report the effects of 5 years GH treatment in 124 GH deficiency adults; 42 patients with non-functioning pituitary adenomas (NFPA), 43 with treated PRL and 39 with treated CD. METHODS Fasting plasma glucose, HbA(1c), lipoprotein profile, anthropometry and bone mineral density (BMD) were measured at baseline, 6 months and annually up to 5 years. RESULTS Mean body mass index remained unchanged in the PRL group and tended to increase in the NFPA group. In contrast, body mass index decreased in the CD group. Decreases in waist and waist/hip ratio were seen in all groups at 6 months. Decreases in total cholesterol and low-density lipoprotein cholesterol were seen in all groups and remained sustained at 5 years. Plasma glucose and HbA(1c) increased at 6 months. Subsequently, plasma glucose returned to baseline values at 5 years; in contrast, HbA(1c )remained unchanged at the end of the study. Baseline lumbar spine and hip BMD were lower in the PRL and CD groups than in the NFPA group, decreased over 1 year in all groups and subsequently increased by 2 years in NFPA with a subsequent increase in lumbar spine BMD in PRL and CD groups delayed to 3-5 years. CONCLUSIONS Baseline characteristics and response to GH replacement are qualitatively similar in NFPA, PRL and CD patients. Because improvements in BMD occur later in PRL and CD patients, an extended trial of GH therapy may be indicated in those patients who were commenced on GH therapy as an additional treatment for reduced BMD.
Collapse
Affiliation(s)
- A Colson
- Centre for Clinical Endocrinology, St. Bartholomew's Hospital, QMUL, London, UK
| | | | | | | | | | | | | | | | | |
Collapse
|
8
|
Lienart D, Preumont V, Alexopoulou O, Donckier J, Colson A, Hermans MP, Buysschaert M. Metabolic (glycaemic, lipidic) and blood pressure control in 101 type 2 diabetic patients on first admission to diabetes centres. Acta Clin Belg 2006; 61:127-33. [PMID: 16881561 DOI: 10.1179/acb.2006.020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
The aim of our study was to analyse the quality of metabolic and blood pressure control in a cohort of 101 patients with type 2 diabetes (54 males; 47 females), previously followed in primary care settings and admitted for the first time to the diabetes centres of Saint-Luc (n=66) or Mont-Godinne (n=35) University Hospitals. Age and (known) duration of diabetes were 64 +/-12 and 6 +/- 7 years (mean +/- SD), respectively. Body mass index was 31 +/- 7 kg/m2. Systolic and diastolic blood pressures were 140 +/-12 and 81 +/-11 mmHg. Homeostasis model assessment (HOMA) showed insulin sensitivity at 63 +/-32% and P-cell function at 49 +/- 44% (n=34). Forty-seven percent of patients received either diet alone or combined with an oral antidiabetic monotherapy. Seven-teen percent of all patients were on insulin monotherapy or associated with oral drugs. HbAlc was 9.0 +/- 2.3%, with 22% of patients within HbAlc targets of < or = 7%. Only a subset of patients reached international targets of care in terms of blood pressure and lipidic profile, despite antihypertensive and lipid-lowering agents in 62% and 36% of patients, respectively. Forty-five percent of individuals had at least one diabetes-related long-term complication. In view of this unsatisfactory control, our results suggest that "anti-diabetic" treatment should be intensified earlier in primary care settings.
Collapse
Affiliation(s)
- D Lienart
- Université Catholique de Louvain, Service d'Endocrinologie et Nutrition, Cliniques Universitaires St. Luc, B-1200 Brussels, Belgium
| | | | | | | | | | | | | |
Collapse
|
9
|
Tuech JJ, Pessaux P, Di Fiore F, Nitu V, Lefebure B, Colson A, Michot F. Sentinel node mapping in colon carcinoma: in-vivo versus ex-vivo approach. Eur J Surg Oncol 2006; 32:158-61. [PMID: 16376515 DOI: 10.1016/j.ejso.2005.11.004] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2005] [Accepted: 11/10/2005] [Indexed: 01/22/2023] Open
Abstract
AIM The aim of this study was to determine if ex-vivo and in-vivo technique of lymphatic mapping for colorectal cancer (CCR) result in similar sentinel lymph node (SLN) identification and accuracy rates. METHODS Thirty consecutive patients with 32 CCR underwent in vivo SLN mapping. After completion of the colectomy, we remapped the SLN in the operative specimens from patients who had undergone successful in vivo lymphatic mapping. RESULTS At least one SLN was identified by in vivo approach in 32 tumours. 1.5 SLNs (1-3) and 1.8 SLNs (1-4) (p=0.24) were identified by the in vivo and the ex vivo technique, respectively. All SLNs identified by the in vivo technique were also identified by the ex vivo technique. In six cases one and in two cases two additional SLNs were identified with the ex vivo technique. Twelve percent of tumours were upstaged. CONCLUSION Ex vivo SLN mapping is as accurate as the in vivo technique in defining SLN and does have the ability to upstage some patients with CCR. The ex vivo technique could be used either as a primary lymphatic mapping procedure or secondarily for failed in vivo attempts at lymphatic mapping.
Collapse
Affiliation(s)
- J J Tuech
- Department of Digestive Surgery, Rouen University Hospital, 1 rue Germont, 76031 Rouen Cedex, France.
| | | | | | | | | | | | | |
Collapse
|
10
|
Abstract
BACKGROUND By systematically reviewing the literature on sentinel lymph node mapping of colon cancers, this study aimed to evaluate this technique as it applies to colon cancers. METHODS Human studies on lymphatic mapping for colon cancers were reviewed. Multiple publications of the same studies, abstracts, and case reports were excluded. Current Contents, MEDLINE, EMBASE, and Cochrane Library databases were investigated. RESULTS Lymphatic mapping appears to be readily applicable to colon cancers, identifying lymph nodes most likely to harbor metastases. Identification of sentinel lymph nodes varied from 58% to 100% and carried a false-negative rate of approximately 10% in larger studies, but potentially rose 4% to 25% among patients representing a range from node-negative to node-positive (micrometastases) conditions. The prognostic implication of these micrometastases requires further evaluation. Lymphatic mapping in 6% to 29% of cases identified aberrant lymphatic drainage that altered the extent of the lymphadenectomy. CONCLUSIONS Further follow-up evaluation to assess the prognostic significance of micrometastases for colon cancers is required before the staging benefits of sentinel node mapping can have therapeutic implications. Lymphatic mapping offers the possibility of improving staging by identifying patients with early disseminated disease who should be considered for adjuvant treatment or included in trials of adjuvant treatment to speed up the breakthrough of more effective adjuvant regimens. Large studies are needed to determine whether the sentinel node concept is as valid for colon cancers as studies so far have shown it is for malignant melanoma and breast cancer.
Collapse
Affiliation(s)
- J-J Tuech
- Department of Digestive Surgery, Hôpital E. Muller, 20 r Docteur René Laennec, 68070, Mulhouse Cedex 1, France.
| | | | | | | | | |
Collapse
|
11
|
Dukic R, Derragui A, Geiss S, Wilhelm JM, Thannberger P, Colson A, Kieffer P. Papulose lymphomatoïde atypique à grandes cellules supposée déclenchée par la minocycline. Rev Med Interne 2004; 25:401-4. [PMID: 15110963 DOI: 10.1016/j.revmed.2004.02.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2003] [Accepted: 02/06/2004] [Indexed: 11/30/2022]
|
12
|
Abstract
Sepsis and endotoxin (LPS or lipopolysaccharide) injection induce a state of growth hormone (GH) resistance leading to decreased circulating insulin-like growth factor (IGF)-I. Because the proinflammatory cytokines tumor necrosis factor (TNF)-alpha and interleukin (IL)-1beta inhibit the GH-stimulated IGF-I expression in vitro, it was tempting to speculate that these two cytokines might play an important role in the reduction of circulating IGF-I levels caused by LPS. Pentoxifylline, a methylxanthine usually used in the treatment of peripheral arterial circulatory disorders, has been reported to inhibit TNF-alpha synthesis. The goal of our study was to investigate whether inhibition of TNF-alpha production by pentoxifylline could prevent the decrease in IGF-I and the GH resistance caused by LPS injection. Because previous studies demonstrated that pentoxifylline can reduce muscle catabolism induced by sepsis, we also assessed whether pentoxifylline could exert its anticatabolic effect by preventing the decrease in circulating IGF-I. LPS injection in rats decreased serum IGF-I (-45% at 12 h; P<0.01 vs time 0) and its liver mRNA (-67% at 12 h; P<0.01 vs time 0) while it induced circulating TNF-alpha and IL-1beta and their hepatic expression (P<0.01). Pretreatment of LPS-treated animals by pentoxifylline abolished the LPS-induced rise in serum TNF-alpha (-98% at 90 min; P<0.001 vs LPS alone) and to a lesser extent in serum IL-1beta (-44% at 3 h; not significant vs LPS alone). Despite its dramatic inhibitory effect on TNF-alpha induction, however, pentoxifylline failed to suppress both the decrease in IGF-I and the GH resistance induced by LPS in rats. These results suggest that mediators other than TNF-alpha, in particular IL-1beta or IL-6, could contribute to the GH resistance induced by LPS. They also suggest that the anticatabolic effect of pentoxifylline is not due to prevention of the decline of circulating IGF-I.
Collapse
Affiliation(s)
- A Colson
- Unité de Diabétologie et Nutrition, Université Catholique de Louvain, B-1200 Bruxelles, Belgium
| | | | | |
Collapse
|
13
|
Colson A, Le Cam A, Maiter D, Edery M, Thissen JP. Potentiation of growth hormone-induced liver suppressors of cytokine signaling messenger ribonucleic acid by cytokines. Endocrinology 2000; 141:3687-95. [PMID: 11014223 DOI: 10.1210/endo.141.10.7724] [Citation(s) in RCA: 41] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Endotoxin and proinflammatory cytokines such as interleukin-1beta (IL-1beta) and tumor necrosis factor-alpha (TNFalpha) induce a state of GH resistance. A new family of suppressors of cytokine signaling (SOCS), induced by cytokines activating the Janus kinase (JAK)-signal transducer and activator of transcription (STAT) pathway, has been recently identified as a negative feedback loop of intracellular signaling. Overexpression of some SOCS (SOCS-3, CIS, and SOCS-2) has been reported to inhibit the JAK-STAT pathway stimulated by GH. To assess the possible role of these three SOCS proteins in the GH resistance induced by endotoxin and cytokines, we investigated the regulation of their gene expression by endotoxin and GH in rat liver and by proinflammatory cytokines and GH in primary culture hepatocytes. Both GH and lipopolysaccharide induced the three SOCS messenger RNAs (mRNAs) in vivo. In vitro, GH also increased the liver mRNAs encoding SOCS-2, SOCS-3, and CIS. Although IL-1/beta and TNFalpha alone induced only weakly the expression of SOCS-3 and CIS, these cytokines strongly potentiated the induction of these two SOCS by GH. In contrast, IL-6 alone markedly induced SOCS-3 mRNA, but did not potentiate the GH action on SOCS-3 and CIS mRNAs. The GH induction of SOCS-2 was not potentiated by any of these cytokines. Considering the ability of these SOCS to inhibit the JAK-STAT pathway induced by GH, these results suggest that the overexpression of SOCS-3 and CIS mRNAs induced by IL-1beta and TNFalpha or by endotoxin in vivo may play a role in the GH resistance induced by sepsis.
Collapse
Affiliation(s)
- A Colson
- Unité de Diabétologie et Nutrition, Université Catholique de Louvain, Brussels, Belgium
| | | | | | | | | |
Collapse
|
14
|
Welles SL, Pitt J, Colgrove R, McIntosh K, Chung PH, Colson A, Lockman S, Fowler MG, Hanson C, Landesman S, Moye J, Rich KC, Zorrilla C, Japour AJ. HIV-1 genotypic zidovudine drug resistance and the risk of maternal--infant transmission in the women and infants transmission study. The Women and Infants Transmission Study Group. AIDS 2000; 14:263-71. [PMID: 10716502 DOI: 10.1097/00002030-200002180-00008] [Citation(s) in RCA: 61] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
OBJECTIVES Although the treatment of pregnant women and their infants with zidovudine (ZDV) has been remarkably effective in preventing the perinatal transmission of human HIV-1, many potentially preventable infections still occur. To examine whether the risk of perinatal infection is increased among women who carry ZDV-resistant HIV-1, the role of genotypic ZDV resistance in perinatal transmission was evaluated. METHODS The reverse transcriptase (RT) region of clinical isolates from culture supernatants of 142 HIV-1-infected women enrolled in the Women and Infants Transmission Study (WITS), who had been treated with ZDV during pregnancy was sequenced. Results from genotypic sequencing were linked to demographic, laboratory, and obstetrical databases, and the magnitude of association of having consensus drug-resistant HIV-1 RT mutations with transmission was estimated. RESULTS Twenty-five per cent (34/142) of maternal isolates had at least one ZDV-associated resistance mutation. A lower CD4 cell percentage and count (P= 0.0001) and higher plasma HIV-1 RNA (P=0.006) were associated with having any ZDV resistance mutation at delivery. Having any RT resistance mutation [odds ratio (OR): 5.16; 95% confidence interval (CI): 1.40, 18.97; P=0 0.01], duration of ruptured membranes [OR: 1.13 (1.02, 1.26) per 4 h duration; P= 0.02], and total lymphocyte count [OR: 1.06 (1.01, 1.10) per 50 cells higher level; P=0.009] were independently associated with transmission in multivariate analysis. CONCLUSION Maternal ZDV resistant virus was predictive of transmission, independent of viral load, in these mothers with moderately advanced HIV-1 disease, many of whom had been treated with ZDV before pregnancy.
Collapse
Affiliation(s)
- S L Welles
- Division of Epidemiology, University of Minnesota, School of Public Health, Minneapolis 55454, USA.
| | | | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
15
|
Thiébault S, Mogras A, Brun I, Hamel S, Colson A, Rozan S, Laedlein-Greilsammer D. [Epithelial-myoepithelial carcinoma of the salivary glands: report of a case]. Ann Pathol 1999; 19:30-2. [PMID: 10320909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
Abstract
Epithelial-myoepithelial carcinoma (E.M.C.) is a rare lowgrade salivary gland neoplasm that occurs in both major and minor salivary glands. It is characterized by tubular and solid growth pattern with a dual cell population including an inner layer of epithelial cells which are peripherically bounded by a layer of clear myoepithelial cells. This differentiation is confirmed by electron microscopic and immunohistochemical studies. The differential diagnosis included clear cell tumor of the salivary gland and metastatic renal carcinoma. The majority of these tumours arise in the parotid in women with a peak incidence from the 6th to the 8th decade. We report a case of parotidic E.M.C. in a 33 year old man.
Collapse
Affiliation(s)
- S Thiébault
- Service d'Anatomie Pathologique, Centre Hospitalier de Mulhouse
| | | | | | | | | | | | | |
Collapse
|
16
|
Cribier B, Cuny JF, Schubert B, Colson A, Truchetet F, Grosshans E. Recurrent annular erythema with purpura: a new variant of leucocytoclastic vasculitis responsive to dapsone. Br J Dermatol 1996; 135:972-5. [PMID: 8977722 DOI: 10.1046/j.1365-2133.1996.d01-1105.x] [Citation(s) in RCA: 26] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Annular lesions are rarely reported in the clinical spectrum of leucocytoclastic vasculitis, except in the acute haemorrhagic oedema of the skin. We report three patients who suffered from an extraordinary recurrent annular dermatitis, for 4 years in one case and for decades in the other two. The eruption was characterized by purpuric lesions that had a centrifugal evolution, creating target- or polycyclic patches disseminated on the limbs and trunk. The patients' general condition remained excellent during the attacks. All lesions spontaneously disappeared within 2 weeks, but recurred monthly. In all three cases, the histological changes were consistent with leucocytoclastic vasculitis. One patient had ulcerative colitis and another had a benign immunoglobulin A (IgA) monoclonal gammopathy. These two patients showed a good response to dapsone therapy. This dermatosis probably represents a new and rare variant of leucocytoclastic vasculitis.
Collapse
Affiliation(s)
- B Cribier
- Clinique Dermatologique des Hôpitaux Universitaires, Strasbourg, France
| | | | | | | | | | | |
Collapse
|
17
|
Peter B, Grosshans C, Stalter P, Passadori Y, Thiebault S, Colson A, Laedlein-Greilsammer D. Intérêt de l'autopsie en gériatrie. Rev Med Interne 1992. [DOI: 10.1016/s0248-8663(05)81122-1] [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]
|
18
|
Abstract
The effects of propofol on auditory evoked potentials were studied in nine patients undergoing otorhinolaryngology surgery. After recording of basal evoked potentials patients received propofol 2 mg kg-1 over 2-3 min for induction of anaesthesia. Potentials were recorded every 10 min (T1, T2, T3). During T1, T2, T3, the infusion rates of propofol for maintenance of anaesthesia were respectively 7, 5 and 3 mg kg-1 h-1 consecutively. Middle latency component was affected markedly. Brainstem waves latencies I, III, V were increased significantly, while amplitude waves I, III, V remained constant.
Collapse
Affiliation(s)
- D Chassard
- Département d'Anesthésie-Réanimation, Centre Hospitalier Lyon-Sud, France
| | | | | | | | | | | |
Collapse
|
19
|
Lederer J, Bodin J, Colson A. [Aspartame and its effect on gestation in rats]. J Toxicol Clin Exp 1985; 5:7-14. [PMID: 3843762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
|
20
|
|