Assuntos
Hipertensão Portal , Policitemia Vera , Humanos , Gravidez , Feminino , Hipertensão Portal/diagnóstico , Hipertensão Portal/etiologia , Hipertensão Portal/complicações , Policitemia Vera/diagnóstico , Policitemia Vera/complicações , Adulto , Complicações Cardiovasculares na Gravidez/diagnósticoAssuntos
Hipertensão Portal , Humanos , Gravidez , Feminino , Hipertensão Portal/diagnóstico , Hipertensão Portal/complicações , Hipertensão Portal/etiologia , Adulto , Policitemia/diagnóstico , Policitemia/etiologia , Policitemia/complicações , Complicações Hematológicas na Gravidez/diagnóstico , Complicações Cardiovasculares na Gravidez/diagnóstico , Trombocitemia Essencial/complicações , Trombocitemia Essencial/diagnósticoRESUMO
Lipid oxidation constitutes the main source of degradation of lipid-rich foods, including food emulsions. The complexity of the reactions at play combined with the increased demand from consumers for less processed and more natural foods result in additional challenges in controlling this phenomenon. This review provides an overview of the insights acquired over the past two decades on the understanding of lipid oxidation in oil-in-water (O/W) emulsions. After introducing the general structure of O/W emulsions and the classical mechanisms of lipid oxidation, the contribution of less studied oxidation products and the spatiotemporal resolution of these reactions will be discussed. We then highlight the impact of emulsion formulation on the mechanisms, taking into consideration the new trends in terms of emulsifiers as well as their own sensitivity to oxidation. Finally, novel antioxidant strategies that have emerged to meet the recent consumer's demand will be detailed. In an era defined by the pursuit of healthier, more natural, and sustainable food choices, a comprehensive understanding of lipid oxidation in emulsions is not only an academic quest, but also a crucial step towards meeting the evolving expectations of consumers and ensuring the quality and stability of lipid-rich food products.
Assuntos
Emulsões , Oxirredução , Emulsões/química , Humanos , Lipídeos/química , Antioxidantes/química , Antioxidantes/metabolismo , Metabolismo dos LipídeosRESUMO
Myeloproliferative neoplasms (MPNs) are a group of chronic hematologic malignancies that lead to morbidity and early mortality due to thrombotic complications and progression to acute leukemia. Clinical and mutational risk factors have been demonstrated to predict outcomes in patients with MPNs and are used commonly to guide therapeutic decisions, including allogenic stem cell transplant, in myelofibrosis. Adolescents and young adults (AYA, age ≤45 years) comprise less than 10% of all MPN patients and have unique clinical and therapeutic considerations. The prevalence and clinical impact of somatic mutations implicated in myeloid disease has not been extensively examined in this population. We conducted a retrospective review of patients evaluated at eight Canadian centers for MPN patients diagnosed at ≤45 years of age. In total, 609 patients were included in the study, with median overall survival of 36.8 years. Diagnosis of prefibrotic or overt PMF is associated with the lowest OS and highest risk of AP/BP transformation. Thrombotic complications (24%), including splanchnic circulation thrombosis (9%), were frequent in the cohort. Mutations in addition to those in JAK2/MPL/CALR are uncommon in the initial disease phase in our AYA population (12%); but our data indicate they may be predictive of transformation to post-ET/PV myelofibrosis.