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Cabral M, Araújo J, Lopes C, Ramos E. Food intake and high-sensitivity C-reactive protein levels in adolescents. Nutr Metab Cardiovasc Dis 2018; 28:1067-1074. [PMID: 30031673 DOI: 10.1016/j.numecd.2018.06.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2017] [Revised: 06/04/2018] [Accepted: 06/05/2018] [Indexed: 12/15/2022]
Abstract
BACKGROUND AND AIMS Diet comprises factors with anti and pro-inflammatory potential that can contribute to modulate obesity-induced inflammation. We aimed to assess the association between food intake and high-sensitivity C-reactive protein (hsCRP) levels in adolescents. METHODS AND RESULTS A cross-sectional analysis of 991 adolescents aged 13 years old was conducted as part of the EPITeen cohort, Porto, Portugal. Food intake was assessed by a food frequency questionnaire and thirteen food groups were defined. Anthropometric assessment was performed and serum hsCRP was measured in a fasting blood sample. hsCRP concentrations above the 75th percentile were considered high. Logistic regression was fitted to estimate the association between the intake frequency of the food groups and hsCRP, stratified by BMI and adjusted for sex, parental education and total energy intake. Median (25-75th percentiles) hsCRP concentrations increased with increasing values of BMI [normal weight: 0.20 (0.10-0.50); overweight: 0.40 (0.20-0.80); obese: 1.10 (0.40-2.15) mg/l, p < 0.001]. After adjustment for sex, parental education and total energy intake, no statistically significant associations were found amongst normal weight and overweight participants. However, among obese individuals, having as reference the first frequency category (<1 per day), a higher frequency of vegetables/legumes intake showed a decreased odds of high hsCRP levels (OR: 0.10, 95%CI 0.03-0.38, 1-3 per day; and OR: 0.14, 95%CI 0.04-0.52, >3 per day). CONCLUSION Among participants with obesity-induced higher hsCRP levels, a higher frequency of vegetable/legume intake was inversely related to hsCRP.
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Ndong A, Verdin A, Thomas J, Cazier F, Cabral M, Garat A, Allorge D, Garcon G, Loguidice JM, Diouf A, Courcot D, Gualtieri M, Fall M. Outdoor and indoor air pollution exposure: A cross-sectional study in Dakar city (Senegal). Toxicol Lett 2018. [DOI: 10.1016/j.toxlet.2018.06.793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Lam A, Cabral M, Touré A, Fall M, Diouf A, Chippaux J. Evaluation de la prise en charge des envenimations au Sénégal : étude clinique de l’Inoserp® Panafricain. TOXICOLOGIE ANALYTIQUE ET CLINIQUE 2018. [DOI: 10.1016/j.toxac.2018.07.095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Moreira N, Lopes P, Ferreira H, Cabral M, Guedes de Pinho P. Sensory attributes and volatile composition of a dry white wine under different packing configurations. Journal of Food Science and Technology 2017; 55:424-430. [PMID: 29358836 DOI: 10.1007/s13197-017-2910-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 09/21/2017] [Accepted: 09/28/2017] [Indexed: 11/28/2022]
Abstract
The aim of this work was to study the effect of different configurations of packaging on the volatile composition and sensory properties of a white wine. Certain oenological parameters were also evaluated. Bag-in-box (BIB) and glass bottles sealed with two different cork stoppers, natural and Neutrocork (technical), were used in the experiments. Analysis were carried out before packaging and after 3, 6 and 12 months of storage. Results showed that wines packaged in BIB presented higher levels of brown color than wines in bottles sealed with corks. In all packaging configurations, the content of free SO2 decreased with storage time; however, BIB wines showed a lower content of free SO2 than bottle wines during 12 months. Moreover, wines under BIB presented a significant lower amount of 2-phenylethanol, 2-phenylethyl acetate, isoamyl acetate, ethyl butanoate, ethyl hexanoate, ethyl octanoate, linalool and β-damascenone than bottled wines.
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Saboga-Nunes LA, Costa A, de Padua F, von Amann G, Figueiras MJ, Carvalho GS, Martins R, Caldas-Almeida T, Stock C, Milczarski A, Assis N, Ferreira M, Santos B, Cabral M, Pinho M, Costa L. Meeting in Vienna 30 years after Ottawa: QuoVadis health promotion? Eur J Public Health 2016. [DOI: 10.1093/eurpub/ckw168.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Toure A, Cabral M, Niang A, Diop C, Garat A, Humbert L, Fall M, Diouf A, Broly F, Lhermitte M, Allorge D. Prevention of isoniazid toxicity by NAT2 genotyping in Senegalese tuberculosis patients. Toxicol Rep 2016; 3:826-831. [PMID: 28959610 PMCID: PMC5616082 DOI: 10.1016/j.toxrep.2016.10.004] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2016] [Revised: 10/14/2016] [Accepted: 10/14/2016] [Indexed: 11/24/2022] Open
Abstract
Isoniazid (INH), recommended by WHO (World Health Organization) in the treatment of tuberculosis (TB), is metabolized primarily by the genetically polymorphic N-acetyltransferase 2 (NAT2) enzyme. The human population is divided into three different phenotypic groups according to acetylation rate: slow, intermediate, and fast acetylators. The objective of this study was to explore the relationship between NAT2 genotypes and the serum concentrations of INH. Blood samples from 96 patients with TB were taken for the analysis. NAT2 polymorphisms on coding region were examined by polymerase chain reaction (PCR) direct sequencing; the acetylation status was obtained by measuring isoniazid (INH) and its metabolite, acetylisoniazid (AcINH) in plasma was obtained by using the liquid chromatography coupled to mass spectrometry. TB patients were distributed into two groups of fast and slow acetylators according to the acetylation index calculated based on the plasma concentration of INH in the 3rd hour (T3) after an oral dose. Our PCR analysis identified several alleles, where NAT2*4, NAT2*5A, NAT2*6A, and NAT2*13A were the most important. The concentrations of INH varied between 1.10 mg/L and 13.10 mg/L at the 3rd hour and between 0.1 and 9.5 mg/L at the 6th hour. The use of the acetylating index I3 allowed the classification of tested patients into two phenotypic groups: slow acetylators (44.3% of TB patients), and rapid acetylators (55.7%). Patient’s acetylation profile provides valuable information on their therapeutic, pharmacological, and toxicological responses.
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Santos MJ, Conde M, Mourão AF, Ramos FO, Cabral M, Brito I, Ramos MP, Marques RC, Gomes SM, Guedes M, Gonçalves MJ, Estanqueiro P, Zilhão C, Rodrigues M, Henriques C, Salgado M, Canhão H, Fonseca JE, Gomes JM. 2016 update of the Portuguese recommendations for the use of biological therapies in children and adolescents with Juvenile Idiopathic Arthritis. ACTA REUMATOLOGICA PORTUGUESA 2016; 41:194-212. [PMID: 27770754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
OBJECTIVE To provide evidence-based guidance for the rational and safe prescription of biological therapies in children and adolescents with juvenile idiopathic arthritis (JIAs) considering the latest available evidence and the new licensed biologics. METHODS Rheumatologists and Pediatricians with expertise in Pediatric Rheumatology updated the recommendations endorsed by the Portuguese Society of Rheumatology and the Portuguese Society of Pediatrics based on published evidence and expert opinion. The level of agreement with final propositions was voted using an online survey. RESULTS In total, 20 recommendations to guide the use of biological therapy in children and adolescents with JIAs are issued, comprising 4 general principles and 16 specific recommendations. A consensus was achieved regarding the eligibility and response criteria, maintenance of biological therapy, and procedures in case of non-response, for each JIA category. Specific recommendations concerning safety procedures were also updated. CONCLUSIONS These recommendations take into account the specificities of each JIA category and are intended to continuously improve the management of JIA patients.
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Moreira N, Lopes P, Cabral M, Guedes de Pinho P. HS-SPME/GC-MS methodologies for the analysis of volatile compounds in cork material. Eur Food Res Technol 2016. [DOI: 10.1007/s00217-016-2636-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Cabral M, Martín-Venegas R, Moreno JJ. Leukotriene D4-induced Caco-2 cell proliferation is mediated by prostaglandin E2 synthesis. Physiol Rep 2015. [PMID: 26216432 PMCID: PMC4552517 DOI: 10.14814/phy2.12417] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Leukotriene D4 (LTD4) is a pro-inflammatory mediator formed from arachidonic acid through the action of 5-lipoxygenase (5-LOX). Its biological effects are mediated by at least two G-coupled plasmatic cysteinyl LT receptors (CysLT1-2R). It has been reported an upregulation of the 5-LOX pathway in tumor tissue unlike in normal colon mucosa. Colon tumors generally have an increased expression of CysLT1R and colon cancer patients with high expression levels of CysLT1R have poor prognosis. We previously observed that the cyclooxygenase pathway is involved in the control of intestinal epithelial cancer cell growth through PGE2 production. The aim of this study was therefore to assess the effect of LTD4 binding with CysLT1R on Caco-2 cell growth. We note a number of key findings from this research. We observed that at a concentration similar to that found under inflammatory conditions, LTD4 was able to induce Caco-2 cell proliferation and DNA synthesis. Moreover, with the use of a specific receptor antagonist this study has demonstrated that the effect of LTD4 is a result of its interaction with CystLT1R. We also note the possible participation of the PLC-IP3-Ca2+/DAG-PKC signaling pathways in cytosolic PLA2 and [3H]AA release induced by LTD4-CystLT1R interaction. Finally, we found that the resulting activation of the AA cascade and the production of PGE2 eicosanoid could be related to the activation of cell signaling pathways such as ERK and CREB. These findings will help facilitate our understanding of how inflammatory mediators can affect the survival and dissemination of intestinal carcinoma cells.
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Romañach M, Canedo N, Cortezzi E, Abrahão A, Cabral M, Agostini M. Clear cell variant of oral squamous cell carcinoma. Oral Surg Oral Med Oral Pathol Oral Radiol 2014. [DOI: 10.1016/j.oooo.2014.05.102] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Cabral M, Martín-Venegas R, Moreno JJ. Differential cell growth/apoptosis behavior of 13-hydroxyoctadecadienoic acid enantiomers in a colorectal cancer cell line. Am J Physiol Gastrointest Liver Physiol 2014; 307:G664-71. [PMID: 25035111 DOI: 10.1152/ajpgi.00064.2014] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Cyclooxygenases (COXs) and lipoxygenases (LOXs) are important enzymes that metabolize arachidonic and linoleic acids. Various metabolites generated by the arachidonic acid cascade regulate cell proliferation, apoptosis, differentiation, and senescence. Hydroxyoctadecadienoic acids (HODEs) are synthesized from linoleic acid, giving two enantiomeric forms for each metabolite. The aim was to investigate the effect of 13-HODE enantiomers on nondifferentiated Caco-2 cell growth/apoptosis. Our results indicate that 13(S)-HODE decreases cell growth and DNA synthesis of nondifferentiated Caco-2 cells cultured with 10% fetal bovine serum (FBS). Moreover, 13(S)-HODE showed an apoptotic effect that was reduced in the presence of a specific peroxisome proliferator-activated receptor-γ (PPARγ) antagonist. In addition, we observed that 13(S)-HODE but not 13(R)-HODE is a ligand to PPARγ, confirming the implication of this nuclear receptor in 13(S)-HODE actions. In contrast, 13(R)-HODE increases cell growth and DNA synthesis in the absence of FBS. 13(R)-HODE interaction with BLT receptors activates ERK and CREB signaling pathways, as well as PGE2 synthesis. These results suggest that the proliferative effect of 13(R)-HODE could be due, at least in part, to COX pathway activation. Thus both enantiomers use different receptors and have contrary effects. We also found these differential effects of 9-HODE enantiomers on cell growth/apoptosis. Therefore, the balance between (R)-HODEs and (S)-HODEs in the intestinal epithelium could be important to its cell growth/apoptosis homeostasis.
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Ferreira S, Cabral M, da Cruz NF, Simões P, Marques RC. Life cycle assessment of a packaging waste recycling system in Portugal. WASTE MANAGEMENT (NEW YORK, N.Y.) 2014; 34:1725-1735. [PMID: 24910140 DOI: 10.1016/j.wasman.2014.05.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2013] [Revised: 04/14/2014] [Accepted: 05/06/2014] [Indexed: 06/03/2023]
Abstract
Life Cycle Assessment (LCA) has been used to assess the environmental impacts associated with an activity or product life cycle. It has also been applied to assess the environmental performance related to waste management activities. This study analyses the packaging waste management system of a local public authority in Portugal. The operations of selective and refuse collection, sorting, recycling, landfilling and incineration of packaging waste were considered. The packaging waste management system in operation in 2010, which we called "Baseline" scenario, was compared with two hypothetical scenarios where all the packaging waste that was selectively collected in 2010 would undergo the refuse collection system and would be sent directly to incineration (called "Incineration" scenario) or to landfill ("Landfill" scenario). Overall, the results show that the "Baseline" scenario is more environmentally sound than the hypothetical scenarios.
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Azevedo J, Fernandes I, Lopes P, Roseira I, Cabral M, Mateus N, Freitas V. Migration of phenolic compounds from different cork stoppers to wine model solutions: antioxidant and biological relevance. Eur Food Res Technol 2014. [DOI: 10.1007/s00217-014-2292-y] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Cabral M, Ortiz A, Venâncio C, Mesquita J, Nóbrega C, Silva A, Vala H, Ferreira D. Histological Evaluation of the Spleen after Acute Bleeding Followed by Volume Replacement with Two Different Physiological Solutions. J Comp Pathol 2014. [DOI: 10.1016/j.jcpa.2013.11.182] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Cabral M, Batalha S, Nunes J, Jotta R, Cravo M, Oom P. PReS-FINAL-2080: Overlap syndrome between primary sclerosing cholangitis and autoimmune hepatitis associated with ulcerative colitis - a case of unusual presentation in a patient with systemic juvenile idiopathic arthritis. Pediatr Rheumatol Online J 2013. [PMCID: PMC4044478 DOI: 10.1186/1546-0096-11-s2-p92] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Cabral M, Martín-Venegas R, Moreno JJ. Role of arachidonic acid metabolites on the control of non-differentiated intestinal epithelial cell growth. Int J Biochem Cell Biol 2013; 45:1620-8. [PMID: 23685077 DOI: 10.1016/j.biocel.2013.05.009] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2012] [Revised: 04/26/2013] [Accepted: 05/09/2013] [Indexed: 11/29/2022]
Abstract
Increasingly evidence indicates that enzymes, receptors and metabolites of the arachidonic acid (AA) cascade play a role in intestinal epithelial cell proliferation and colorectal tumorigenesis. However, the information available does not provide a complete picture and contains a number of discrepancies. For this reason it might be appropriate a thorough study into the impacts of the AA cascade on intestinal epithelial cell growth. Our data show that non-differentiated Caco-2 cells cultured with 10% fetal bovine serum (FBS) synthesize appreciable amounts of prostaglandin E2 (PGE2), leukotriene B4 (LTB4) and 5-, 12 and 15-hydroxyeicosatetraenoic acid (HETE) but not LTD4, 20-HETE and epoxyeicosatrienoic acids. We also found that inhibitors of PGE2, LTB4 and 5-, 12-, 15-HETE synthesis as well as receptor antagonists of PGE2 and LTB4 blocked Caco-2 cell growth and DNA synthesis induced by 10% FBS without cytotoxic or apoptotic activity. Interestingly, PGE2, LTB4 and 5-, 12- and 15-HETE at concentrations reached in 10% FBS Caco-2 cultures (1-10nM) were able to induce Caco-2 cell growth and DNA synthesis. This was due to the interaction of PGE2 with EP1 and EP4 receptors and LTB4 and HETEs with BLT1 and BLT2 receptors. Moreover, we provide evidence that PGE2 stimulates several cell signaling pathways such as ERK, P38α, CREB and GSKβ/β-catenin involved in the regulation of Caco-2 growth. Finally, we provide evidence that the mitogenic effects of LTB4 and HETEs can be dependent, at least in part, on PGE2 synthesis.
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Touré A, Diop C, Cabral M, Fall M, Lhermitte M, Diouf A, Broly F, Allorge D. Study of NAT2 genetic polymorphism in West African subjects: example of an healthy non-smoker Senegalese population. Mol Biol Rep 2012; 39:10489-96. [DOI: 10.1007/s11033-012-1931-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2012] [Accepted: 10/01/2012] [Indexed: 11/30/2022]
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Cabral M, Dieme D, Verdin A, Garçon G, Fall M, Bouhsina S, Dewaele D, Cazier F, Tall-Dia A, Diouf A, Shirali P. Low-level environmental exposure to lead and renal adverse effects: a cross-sectional study in the population of children bordering the Mbeubeuss landfill near Dakar, Senegal. Hum Exp Toxicol 2012; 31:1280-91. [PMID: 22837546 DOI: 10.1177/0960327112446815] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
This study deals with the health effects within a child population, neighbouring a landfill. After detecting metals in soil and air samples collected in the surroundings of the landfill and in a control site, we have studied: (i) levels of lead (Pb) and exposure biomarkers in blood and urine, (ii) oxidative stress biomarkers and (iii) renal injury by applying a set of early effect biomarkers. Levels of Pb were higher in the exposed site (i.e. 1129 mg/kg and 640 ng/m(3) in soil and air samples, respectively) versus those in the control site (i.e. 14.3 mg/kg and 9.3 ng/m(3) in soil and air samples, respectively). Pb impregnation and levels of delta-aminolevulinic acid in urine were influenced by the living site that shows the prevailingly alarming situation in the Mbeubeuss landfill. Malondialdehyde changes indicated Pb-induced excessive production of reactive oxygen species. Lactate dehydrogenase activities and proteinuria were found to be higher in the children living in the exposed site. These evidences may reveal the usefulness of these two effect biomarkers to monitor the kidney injury entailed by relatively low-environmental exposure to Pb. Overall, these results show that the Mbeubeuss landfill constitutes a real source of environmental and health risk, be it living or working on site, of the surrounding population, predominantly for children.
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Moreno J, Cabral M, Matín-Venegas R. 342 Hydroxyeicosatetraenoic Acids Are Involved in Intestinal Epithelial Cancer Cell Growth. Eur J Cancer 2012. [DOI: 10.1016/s0959-8049(12)71032-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Cabello A, Galvan P, Cane V, Basogain X, Cabral M, Samudio M, Paez M, Ascurra M, Allende I. P1-104 Community syndromic surveillance system using information and communication technology in Paraguay. Br J Soc Med 2011. [DOI: 10.1136/jech.2011.142976c.97] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Cabral M, Conde M, Brito MJ, Almeida H, Melo Gomes JA. [Protracted Febrile Myalgia Syndrome with Henoch-Schönlein Purpura: an atypical presentation of Familial Mediterranean Fever]. ACTA REUMATOLOGICA PORTUGUESA 2011; 36:69-74. [PMID: 21483284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Familial Mediterranean Fever (FMF) is an hereditary autosomal recessive disease characterized by recurrent attacks of fever, arthritis and serositis: peritonitis, pleurisy and/or pericarditis. Its main complication is systemic AA amyloidosis. The authors present a case of a 8-years-old female child with african ancestry, who was admitted three times since 5 years-old with abdominal pain, fever and high acute phase reactants. At the first admission appendectomy was made and at the third hospital admission the clinical picture was accompanied by myalgia, purpuric lesions and non nephrotic proteinuria. A renal biopsy was performed and was compatible with Henoch-Schönlein nephritis. Serum Amyloid A protein had high levels - 92 mg/L (> 6.8) and a diagnosis of Familial Mediterranean Fever was confirmed by genetic test (homozygote for M694V in MEFV gene). She started colchicine and is doing well, without any further complaints. FMF must be considered in the differential diagnosis of recurrent attacks of fever and abdominal pain in children, even with an atypical presentation (p.e. Protracted Febrile Myalgia Syndrome). Genetic study allows the confirmation of the diagnosis and has prognostic implications.
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Macedo M, Lucia T, Rambo G, Ferreira Filho E, Rosa A, Fabiane C, Cabral M, Deschamps J. In vitro penetration of swine oocytes by homologous spermatozoa: Distinct systems for gamete's co-incubation and oocyte's cryopreservation. Anim Reprod Sci 2010; 117:295-301. [DOI: 10.1016/j.anireprosci.2009.05.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2009] [Revised: 04/28/2009] [Accepted: 05/18/2009] [Indexed: 10/20/2022]
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Cardoso L, Schallig H, Cordeiro-da-Silva A, Cabral M, Alunda J, Rodrigues M. Anti-Leishmania humoral and cellular immune responses in naturally infected symptomatic and asymptomatic dogs. Vet Immunol Immunopathol 2007; 117:35-41. [DOI: 10.1016/j.vetimm.2007.01.014] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2006] [Revised: 12/29/2006] [Accepted: 01/24/2007] [Indexed: 11/30/2022]
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Abstract
Biphentrin, a known pyrethroid, was studied, aiming its removal from aqueous solutions by granulated cork sorption. Batch experiments, either for equilibrium or for kinetics, with two granulated cork sizes were performed and results were compared with those obtained with of activated carbon sorption. Langmuir and Freundlich adsorption isotherms were obtained both showing high linear correlations. Bifenthrin desorption was evaluated for cork and results varied with the granule size of sorbent. The results obtained in this work indicate that cork wastes may be used as a cheap natural sorbent for bifenthrin or similar compounds removal from wastewaters.
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