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1.
Cancers (Basel) ; 15(11)2023 Jun 05.
Artigo em Inglês | MEDLINE | ID: mdl-37297021

RESUMO

Prostate cancer has become a major health problem in men. Its incidence is increasing as the average age of the affected population tends to be higher. Of all the possible treatments, surgery is the gold standard in its treatment. Surgery produces a deregulation in the immune system that can favour the development of distant metastases. Different anesthetic techniques have raised the hypothesis that different anesthetic drugs influence tumor recurrence and prognosis. Some mechanisms are beginning to be understood by which halogenated agents in cancer patients and the use of opioids may negatively affect patients. In this document, we group together all the available evidence on how the different anesthetic drugs affect tumor recurrence in prostate cancer.

2.
Methods Mol Biol ; 2275: 341-361, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-34118049

RESUMO

The development of nanoparticles has provided a powerful weapon in the fight against cancer due to the discovery of their selective accumulation in tumoral tissues, known as enhanced permeation and retention (EPR) effect (Peer et al, Nat Nanotechnol 2:751-760, 2007). Tumoral tissues require afastformation of blood vessels to sustain this rapid growth.


Assuntos
Ácido Fólico/farmacologia , Mitocôndrias/química , Neoplasias da Próstata/metabolismo , Dióxido de Silício/química , Animais , Linhagem Celular Tumoral , Sistemas de Liberação de Medicamentos , Receptores de Folato com Âncoras de GPI/metabolismo , Ácido Fólico/química , Regulação Neoplásica da Expressão Gênica/efeitos dos fármacos , Humanos , Masculino , Camundongos , Nanopartículas , Compostos Organofosforados/química , Porosidade
3.
F1000Res ; 10: 244, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-38545376

RESUMO

Introduction: Our case is unique because the differential diagnosis was a challenge. At first, the patient presented with septic shock and multi-organ failure in the context of a suspected lymphoproliferative syndrome. Once the lymphoproliferative process had been ruled out, hemophagocytic syndrome due to COVID-19 infection was suspected, so he is probably one of the few patients with such an exhaustive study that could contribute to our understanding of COVID-19. We followed therapeutic guidelines that differ from the usual, using adrenalin and levosimendan. Corticosteroids helped to modulate the cytokine storm. Case report: A 16-year-old adolescent was admitted to the intensive care unit with fever, diarrhea, multiorgan failure and septic shock. He was IgG positive for COVID-19 and IgM negative. Thoraco-abdominal computed tomography demonstrated multiple para-aortic and peri-pancreatic lymphadenopathy and acute respiratory distress syndrome. The first suspected diagnosis was a lymphoproliferative syndrome and bacterial infection. The second possibility was a hemophagocytic syndrome in a patient recovering from COVID-19. He was treated with broad spectrum antibiotics because the differential diagnosis was difficult, and we removed them when the microbiological screening was negative. During the course of the disease he presented with severe biventricular dysfunction, probably due to the cytokine storm, so we used inotropic drugs (adrenaline, levosimendan). Infection with Salmonella species group B was diagnosed later, when the patient was in the Internal Medicine ward, although he was asymptomatic. Conclusion: The severity of COVID-19 infection ranges from mild to severe, causing serious disease in some people. Although the pathophysiology is not well known, it seems that in some cases an immune storm is triggered, and it is related to more serious and prolonged disease. In our case, heart failure was important, because it could have worsened the prognosis. Fortunately, the response to levosimendan and corticosteroids was adequate and he recovered favorably until discharge.


Assuntos
COVID-19 , Insuficiência Cardíaca , Linfo-Histiocitose Hemofagocítica , Choque Séptico , Masculino , Adolescente , Humanos , COVID-19/complicações , Simendana/uso terapêutico , Síndrome da Liberação de Citocina , SARS-CoV-2 , Linfo-Histiocitose Hemofagocítica/complicações , Linfo-Histiocitose Hemofagocítica/diagnóstico , Linfo-Histiocitose Hemofagocítica/tratamento farmacológico , Insuficiência Cardíaca/complicações , Insuficiência Cardíaca/tratamento farmacológico , Corticosteroides/uso terapêutico
4.
Rheumatology (Oxford) ; 54(11): 2042-50, 2015 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-26152548

RESUMO

OBJECTIVE: To systematically review and establish the prevalence of antibody positivity in assays not currently included in the APS classification criteria to detect antibodies directed against other phospholipids (PLs), PL binding proteins, coagulation factors and a mechanistic test for resistance of Annexin A5 (AnxA5) anticoagulant activity in APS and control populations. METHODS: We searched PubMed and EMBASE using the key words APS, antiphospholipid antibodies, non-criteria, new assays, IgA anticardiolipin antibodies, lupus anticoagulant, anti-Domain I, IgA anti-ß2-glycoprotein I antibodies, antiphosphatidylserine, anti-phosphatidylethanolamine, anti-phosphatidic acid, antiprothrombin, antiphosphatidylserine-prothtombin, anti-vimentin/cardiolipin complex and Annexin A5 resistance. Studies that met inclusion criteria to describe prevalence of non-criteria aPLs in APS patients (n > 10), disease and healthy control subjects were systematically examined. RESULTS: We selected 16 retrospective studies of 1404 APS patients, 1839 disease control and 797 healthy controls. The highest prevalence of non-criteria aPLs in the largest number of patients with APS was found in IgA anti-ß2GPI studies (129/229, 56.3%), AnxA5R (87/163, 53.4%) and IgG anti-Domain I (241/548, 44.0%). CONCLUSION: Our finding of a significantly high prevalence of all non-criteria aPLs studied in patients with APS compared with controls was tempered by wide variation in sample size, retrospective collection, assay methodology and different determination of positivity. Therefore, prospective studies of sufficient size and appropriate methodology are required to evaluate the significance of these assays and their utility in the management of patients with APS.


Assuntos
Anticorpos Anti-Idiotípicos/sangue , Síndrome Antifosfolipídica/sangue , Síndrome Antifosfolipídica/imunologia , Fosfolipídeos/imunologia , Anexina A5/sangue , Anexina A5/imunologia , Estudos de Casos e Controles , Humanos , Imunoglobulina A/sangue , Imunoglobulina G/sangue , Prevalência , Estudos Retrospectivos , beta 2-Glicoproteína I/sangue , beta 2-Glicoproteína I/imunologia
5.
Rheumatology (Oxford) ; 54(10): 1876-81, 2015 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-26044042

RESUMO

OBJECTIVE: To report on the long-term follow-up, clinically and serologically, of 98 patients with SLE treated with B cell depletion (BCD) over a 12 year period, focusing on the duration of the depletion. METHODS: A retrospective review of clinical and serological features of all SLE patients treated with BCD from January 2000 until December 2012 in the Centre for Rheumatology, University College London Hospital. Clinical activity was assessed by the classic BILAG score at baseline and 6 and 12 months after the treatment. RESULTS: The period of depletion is extremely variable between patients and within the same patient on different occasions. The patients were divided into two groups according to the duration of depletion and a defined threshold of 12 months was utilized. The group with longer duration of depletion was associated with a better outcome, with a decrease in BILAG score at 6 and 12 months. This group was also associated with lymphopenia present at any time during the course of the patient's disease. No other clinical or serological feature was associated with longer duration of BCD. CONCLUSION: Cycles of BCD that induce longer duration of BCD are associated with better outcome. Lymphopenia may help to predict longer duration of the depletion and better outcome, although the mechanism is unclear.


Assuntos
Antirreumáticos/farmacologia , Antirreumáticos/uso terapêutico , Apoptose/efeitos dos fármacos , Linfócitos B/patologia , Lúpus Eritematoso Sistêmico/tratamento farmacológico , Rituximab/farmacologia , Rituximab/uso terapêutico , Adulto , Idoso , Idoso de 80 Anos ou mais , Linfócitos B/efeitos dos fármacos , Contagem de Células , Ciclofosfamida/farmacologia , Ciclofosfamida/uso terapêutico , Quimioterapia Combinada , Feminino , Seguimentos , Humanos , Incidência , Modelos Logísticos , Londres , Lúpus Eritematoso Sistêmico/patologia , Linfopenia/epidemiologia , Masculino , Metilprednisolona/farmacologia , Metilprednisolona/uso terapêutico , Pessoa de Meia-Idade , Estudos Retrospectivos , Fatores de Tempo , Resultado do Tratamento
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