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1.
Healthcare (Basel) ; 12(13)2024 Jun 26.
Artículo en Inglés | MEDLINE | ID: mdl-38998811

RESUMEN

Intensive physical activity (PA) can lead to proteinuria and, consequently, serum protein profiles in athletes. Therefore, the aim of this study was to investigate the effects of acute aronia juice consumption before a simulated half-marathon race on serum protein profiles in recreational runners. The pilot study was designed as a single-blind, placebo-controlled, crossover study, with 10 male participants who consumed aronia juice (containing 1.3 g polyphenols) or placebo before the race. The blood levels of total proteins, albumin, the non-albumin fractions gamma, beta, alpha2 and alpha1, as well as renal function parameters, were determined before and 15 min, 1 h and 24 h after the race. The significant changes in urea, creatinine and uric acid levels were noticed at selected time points in both groups. In the placebo group, a significant decrease in total proteins (p < 0.05) was observed 24 h after the race, along with an increase in gamma fraction abundance (p < 0.05). In addition, urea and uric acid levels returned to baseline only in the aronia group 24 h after the race. Thus, according to the results obtained, acute aronia juice supplementation before intensive PA could influence the transient change in renal function and PA-induced protein loss in recreational runners.

2.
Int J Mol Sci ; 25(9)2024 Apr 30.
Artículo en Inglés | MEDLINE | ID: mdl-38732139

RESUMEN

The plant-derived α-linolenic acid (ALA) is an essential n-3 acid highly susceptible to oxidation, present in oils of flaxseeds, walnuts, canola, perilla, soy, and chia. After ingestion, it can be incorporated in to body lipid pools (particularly triglycerides and phospholipid membranes), and then endogenously metabolized through desaturation, elongation, and peroxisome oxidation to eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), with a very limited efficiency (particularly for DHA), beta-oxidized as an energy source, or directly metabolized to C18-oxilipins. At this moment, data in the literature about the effects of ALA supplementation on metabolic syndrome (MetS) in humans are inconsistent, indicating no effects or some positive effects on all MetS components (abdominal obesity, dyslipidemia, impaired insulin sensitivity and glucoregulation, blood pressure, and liver steatosis). The major effects of ALA on MetS seem to be through its conversion to more potent EPA and DHA, the impact on the n-3/n-6 ratio, and the consecutive effects on the formation of oxylipins and endocannabinoids, inflammation, insulin sensitivity, and insulin secretion, as well as adipocyte and hepatocytes function. It is important to distinguish the direct effects of ALA from the effects of EPA and DHA metabolites. This review summarizes the most recent findings on this topic and discusses the possible mechanisms.


Asunto(s)
Síndrome Metabólico , Ácido alfa-Linolénico , Síndrome Metabólico/metabolismo , Humanos , Ácido alfa-Linolénico/metabolismo , Ácido alfa-Linolénico/administración & dosificación , Animales , Ácidos Grasos Insaturados/metabolismo , Suplementos Dietéticos , Resistencia a la Insulina
3.
J Big Data ; 9(1): 117, 2022.
Artículo en Inglés | MEDLINE | ID: mdl-36532842

RESUMEN

The ability to cross data from multiple sources represents a competitive advantage for organizations. Yet, the governance of the data lifecycle, from the data sources into valuable insights, is largely performed in an ad-hoc or manual manner. This is specifically concerning in scenarios where tens or hundreds of continuously evolving data sources produce semi-structured data. To overcome this challenge, we develop a framework for operationalizing and automating data governance. For the first, we propose a zoned data lake architecture and a set of data governance processes that allow the systematic ingestion, transformation and integration of data from heterogeneous sources, in order to make them readily available for business users. For the second, we propose a set of metadata artifacts that allow the automatic execution of data governance processes, addressing a wide range of data management challenges. We showcase the usefulness of the proposed approach using a real world use case, stemming from the collaborative project with the World Health Organization for the management and analysis of data about Neglected Tropical Diseases. Overall, this work contributes on facilitating organizations the adoption of data-driven strategies into a cohesive framework operationalizing and automating data governance.

4.
Nat Commun ; 12(1): 5375, 2021 09 10.
Artículo en Inglés | MEDLINE | ID: mdl-34508070

RESUMEN

The viability of lithium-sulfur batteries as an energy storage technology depends on unlocking long-term cycle stability. Most instability stems from the release and transport of polysulfides from the cathode, which causes mossy growth on the lithium anode, leading to continuous consumption of electrolyte. Therefore, development of a durable cathode with minimal polysulfide escape is critical. Here, we present a saccharide-based binder system that has a capacity for the regulation of polysulfides due to its reducing properties. Furthermore, the binder promotes the formation of viscoelastic filaments during casting which endows the sulfur cathode with a desirable web-like microstructure. Taken together this leads to 97% sulfur utilisation with a cycle life of 1000 cycles (9 months) and capacity retention (around 700 mAh g-1 after 1000 cycles). A pouch cell prototype with a specific energy of up to 206 Wh kg-1 is produced, demonstrating the promising potential for practical applications.

5.
J Sci Food Agric ; 99(13): 5834-5841, 2019 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-31206711

RESUMEN

BACKGROUND: Many studies have described cocoa polyphenols as being bioactive compounds with a potential positive effect on human health. Although dark chocolate is a most powerful source of antioxidants, their content is lower in milk chocolate; conversely, in white chocolate the fat-free cocoa solids are omitted. The aim of this study was to increase polyphenol content and antioxidant capacity of white chocolate by adding encapsulated green tea extract (GTE) in amounts of 60, 80 and 100 g kg-1 . RESULTS: GTE influenced the particle size parameters, increasing the volume weighted mean from 15.43 µm in white chocolate to 19.34 µm in chocolate with 100 g kg-1 GTE. At the same time, the viscosity of enriched chocolate also increased owing to the addition of new solid particles. The surface color of enriched chocolates changed in accordance with the amount of encapsulate, where all enriched chocolates had a slightly lighter color after 12 months of storage. Total polyphenol content (mg gallic acid equivalents (GAE) kg-1 ) increased from 0.41 in white chocolate to 2.73 in chocolate enriched with maximal GTE. This amount of GTE increased antioxidant capacity (mmol Trolox equivalents kg-1 ) from 1.22 in white chocolate to 16.12. After 12 months of storage, degradation of polyphenols was found to be a maximum of 37.27%, while antioxidant capacity decreased up to 44.14%. CONCLUSION: In addition to the impact on chocolate viscosity, GTE added value through the polyphenol content and sensorial profile of the new product with an unusual green tea flavor and a shelf life of at least 12 months. © 2019 Society of Chemical Industry.


Asunto(s)
Cacao/química , Camellia sinensis/química , Chocolate/análisis , Aditivos Alimentarios/análisis , Extractos Vegetales/análisis , Antioxidantes/análisis , Manipulación de Alimentos , Humanos , Polifenoles/análisis , Gusto , Viscosidad
6.
Pol J Pathol ; 69(2): 136-142, 2018.
Artículo en Inglés | MEDLINE | ID: mdl-30351860

RESUMEN

Primary testicular diffuse large B-cell lymphoma (PT-DLBCL) represents a rare and aggressive extranodal non-Hodgkin's lymphoma (NHL) with some specific features that differ from other NHLs. Formalin fixed, paraffin wax embedded (FFPE) samples of 21 PT-DLBCLs and 30 comparative patients with DLBCL were analysed. All PT-DLBCL patients were treated with rituximab-containing regimens, intrathecal prophylaxis (10 patients), and irradiation of the contralateral testis (9 patients). FFPE samples were additionally analysed by immunohistochemistry (Bcl-2, c-Myc protein expression) and fluorescence in situ hybridisation (FISH) (BCL2 and MYC). The patients with PT-DLBCL (median age 48.5 years), had low frequency of B symptoms (28.6%) and were often diagnosed in I and II Ann Arbor clinical stage (66.0%). The majority of PT-DLBCL (80.9%) had a non-germinal centre B-cell-like immunophenotype. Immunohistochemical staining showed increased c-Myc protein expression in the PT-DLBCL group compared to the control group (p = 0.016). MYC rearrangement was detected in 1 of 14 (7.0%), and MYC amplification in 3 of 14 (21.0%) patients. One of the 14 cases (7.0%) in the PT DLBCL group showed BCL2 rearrangement, and four of 14 (28.05%) cases showed BCL2 amplification. Complete remission (CR) was achieved in 75.0% of PT-DLBCL patients who had superior survival compared to those who did not achieve CR (median 48 vs. 21 months, p = 0.012). Patients with PT-DLBCL express some immunohistochemical, biological, and clinical features that might differentiate them from nodal and extranodal DLBCL patients, indicating the need for a more personalised treatment approach.


Asunto(s)
Linfoma de Células B Grandes Difuso/diagnóstico , Linfoma de Células B Grandes Difuso/patología , Neoplasias Testiculares/diagnóstico , Neoplasias Testiculares/patología , Humanos , Inmunohistoquímica , Hibridación Fluorescente in Situ , Masculino , Persona de Mediana Edad , Proteínas Proto-Oncogénicas c-bcl-2/genética , Proteínas Proto-Oncogénicas c-myc/genética , Rituximab/uso terapéutico , Testículo/patología
7.
Srp Arh Celok Lek ; 136(3-4): 162-5, 2008.
Artículo en Serbio | MEDLINE | ID: mdl-18720752

RESUMEN

INTRODUCTION: Spondylitis is a rare bone and joint infection. It is a disease with long clinical history. Often, it is difficult to recognise symptoms at a proper time, and, due to the complex clinical outcome of spondylitis, a clinician may think about other problems in the body. CASE OUTLINE: A case report of a 59-year-old male patient with thoracic spine spondylitis is presented, formerly treated as pulmonary thromboembolism with pericarditis. Only after neurological disorder such as paraplegia and orthopaedic consultative examination, real diagnosis was established. After that, the patient was hospitalized and operated on. CONCLUSION: A therapeutic approach to spondylitis is based on surgery, antibiotic drugs and symptomatic therapy. Due to the frequent occurrence of neurologic disorders, therapy could be prolonged and uncertain.


Asunto(s)
Espondilitis/diagnóstico , Vértebras Torácicas , Humanos , Masculino , Persona de Mediana Edad , Espondilitis/terapia
8.
Srp Arh Celok Lek ; 136 Suppl 3: 259-62, 2008 Sep.
Artículo en Serbio | MEDLINE | ID: mdl-19562880

RESUMEN

INTRODUCTION: The paper presents important facts in the application of recombinant human factor VIIa (rFVIIa) and in the treatment of renal cell carcer. CASE REPORT: A 69-year old male with infiltrative renal cell carcer underwent radical nephrectomy using Hasagawa's approach. The extirpated tumor was 35 cm in diameter. During surgery, the patient suffered cardiac arrest with 3500 ml blood loss. Twenty-four hours after operation, he lost additional 2100 ml of blood. Despite adequate blood substitution with intensive surgical attempts to treat haemostasis, bleeding did not stop until the application of rFVIIa (300 IU). The patient survived and fully recovered. CONCLUSION: To control massive non-surgical bleeding additionally complicated by paraneoplastic syndrome, extensive surgical intervention, haemodilution and massive blood substitution, the application of rFVIIa has proved to be most successful.


Asunto(s)
Pérdida de Sangre Quirúrgica , Factor VIIa/uso terapéutico , Hemostáticos/uso terapéutico , Nefrectomía , Anciano , Carcinoma de Células Renales/cirugía , Humanos , Neoplasias Renales/cirugía , Masculino , Proteínas Recombinantes/uso terapéutico
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