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Sandra Branco,João Orvalho,Alexandre Leitão,Isadora Pereira,Manuel Malta,Isabel Mariano,Tânia Carvalho,Rui Baptista,Brian R. Shiels,Maria C. Peleteiro 대한수의학회 2010 JOURNAL OF VETERINARY SCIENCE Vol.11 No.1
This study was carried out to investigate fifteen cases of acute lethal infection of calves (≤ 4 months of age) by the protozoan parasite Theileria (T.) annulata in the south of Portugal. Calves developed multifocal to coalescent nodular skin lesions, similar to multicentric malignant lymphoma. Infestation with ticks (genus Hyalomma) was intense. Theileria was seen in blood and lymph node smears, and T. annulata infection was confirmed by isolation of schizont-transformed cells and sequencing of hypervariable region 4 of the 18S rRNA gene. At necropsy, hemorrhagic nodules or nodules with a hemorrhagic halo were seen, particularly in the skin, subcutaneous tissue, skeletal and cardiac muscles, pharynx, trachea and intestinal serosa. Histologically, nodules were formed by large, round, lymphoblastoid neoplastic-like cells. Immunohistochemistry (IHC) identified these cells as mostly CD3 positive T lymphocytes and MAC387 positive macrophages. A marker for B lymphocytes (CD79αcy) labeled very few cells. T. annulata infected cells in these nodules were also identified by IHC through the use of two monoclonal antibodies (1C7 and 1C12) which are diagnostic for the parasite. It was concluded that the pathological changes observed in the different organs and tissues were caused by proliferation of schizont-infected macrophages, which subsequently stimulate a severe uncontrolled proliferation of uninfected T lymphocytes.
Gender and telomere length: Systematic review and meta-analysis
the Halcyon study team,Gardner, M.,Bann, D.,Wiley, L.,Cooper, R.,Hardy, R.,Nitsch, D.,Martin-Ruiz, C.,Shiels, P.,Sayer, A.A.,Barbieri, M.,Bekaert, S.,Bischoff, C.,Brooks-Wilson, A.,Chen, W.,Cooper, C. Pergamon Press ; Elsevier Science Ltd 2014 Experimental Gerontology Vol.51 No.-
Background: It is widely believed that females have longer telomeres than males, although results from studies have been contradictory. Methods: We carried out a systematic review and meta-analyses to test the hypothesis that in humans, females have longer telomeres than males and that this association becomes stronger with increasing age. Searches were conducted in EMBASE and MEDLINE (by November 2009) and additional datasets were obtained from study investigators. Eligible observational studies measured telomeres for both females and males of any age, had a minimum sample size of 100 and included participants not part of a diseased group. We calculated summary estimates using random-effects meta-analyses. Heterogeneity between studies was investigated using sub-group analysis and meta-regression. Results: Meta-analyses from 36 cohorts (36,230 participants) showed that on average females had longer telomeres than males (standardised difference in telomere length between females and males 0.090, 95% CI 0.015, 0.166; age-adjusted). There was little evidence that these associations varied by age group (p=1.00) or cell type (p=0.29). However, the size of this difference did vary by measurement methods, with only Southern blot but neither real-time PCR nor Flow-FISH showing a significant difference. This difference was not associated with random measurement error. Conclusions: Telomere length is longer in females than males, although this difference was not universally found in studies that did not use Southern blot methods. Further research on explanations for the methodological differences is required.
Cinnamon: an aromatic condiment applicable to chronic kidney disease
Moreira Laís de Souza Gouveia,Brum Isabela de Souza da Costa,de Vargas Reis Drielly C. M.,Trugilho Liana,Chermut Tuany R.,Esgalhado Marta,Cardozo Ludmila F. M. F.,Stenvinkel Peter,Shiels Paul G.,Mafra 대한신장학회 2023 Kidney Research and Clinical Practice Vol.42 No.1
Cinnamon, a member of the Lauraceae family, has been widely used as a spice and traditional herbal medicine for centuries and hasshown beneficial effects in cardiovascular disease, obesity, and diabetes. However, its effectiveness as a therapeutic intervention forchronic kidney disease (CKD) remains unproven. The bioactive compounds within cinnamon, such as cinnamaldehyde, cinnamicacid, and cinnamate, can mitigate oxidative stress, inflammation, hyperglycemia, gut dysbiosis, and dyslipidemia, which are commoncomplications in patients with CKD. In this narrative review, we assess the mechanisms by which cinnamon may alleviate complicationsobserved in CKD and the possible role of this spice as an additional nutritional strategy for this patient group.