Publications by authors named "Ferenczi A"

Introduction: Gastric adenocarcinoma with enteroblastic differentiation (GAED) is a rare entity with worse prognosis compared to conventional gastric adenocarcinomas. Its histological characteristics are fetal gut-like architecture and tumor cells with cytoplasmic clearing, as well as positive immunohistochemical reaction to at least one of the enteroblastic markers. Hereby, we present a case of GAED with neuroendocrine marker positivity, with whole exome sequencing (WES), and an updated literature review.

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Histological grade is a validated prognostic factor of breast cancer but may show alterations following neoadjuvant chemotherapy (NACT). Its reporting after NACT is recommended by several guidelines, but evidence of its retained prognostic impact is scarce. Patients treated with NACT followed by surgery and having sufficient residual tumour for the determination of grade were analysed for the survival effects of posttreatment grade (yG).

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Introduction: Colorectal tubular adenomas displaying clear cell change are rare entities, with unknown clinical relevance, prognosis, immunohistochemical, and molecular features.

Case Presentation: Hereby we report a case of a 43-year-old female patient with a rectosigmoid polyp. Histologically, conventional dysplasia was visible with scattered areas displaying clear cell change.

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Article Synopsis
  • The study aimed to compare the grade of breast cancer in small tissue samples (biopsies) and larger samples taken out during surgery for patients who had different treatments.
  • Results showed that patients who had chemotherapy before surgery tended to have more serious cancer grades at the start, and there were different levels of agreement between biopsy and surgery results.
  • The findings suggest that chemotherapy might make certain cancer characteristics look different after treatment, but it’s not clear yet if this change is good or bad for predicting how patients will do in the future.
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IntroductionThe I-MOVE-COVID-19 and VEBIS hospital networks have been measuring COVID-19 vaccine effectiveness (VE) in participating European countries since early 2021.AimWe aimed to measure VE against PCR-confirmed SARS-CoV-2 in patients ≥ 20 years hospitalised with severe acute respiratory infection (SARI) from December 2021 to July 2022 (Omicron-dominant period).MethodsIn both networks, 46 hospitals (13 countries) follow a similar test-negative case-control protocol.

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In eukaryotic cells, phosphorus is assimilated and utilized primarily as phosphate (Pi). Pi homeostasis is mediated by transporters that have not yet been adequately characterized in green algae. This study reports on PHOSPHATE TRANSPORTER 4-7 (CrPHT4-7) from Chlamydomonas reinhardtii, a member of the PHT4 transporter family, which exhibits remarkable similarity to AtPHT4;4 from Arabidopsis (Arabidopsis thaliana), a chloroplastic ascorbate transporter.

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Current proteomic technologies focus on the quantification of protein levels, while little effort is dedicated to the development of system approaches to simultaneously monitor proteome variability and abundance. Protein variants may display different immunogenic epitopes detectable by monoclonal antibodies. Epitope variability results from alternative splicing, posttranslational modifications, processing, degradation, and complex formation and possesses dynamically changing availability of interacting surface structures that frequently serve as reachable epitopes and often carry different functions.

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Introduction: Vaccine hesitancy is complex and multifactorial and a threat to global health. Uptake of some recommended childhood immunisations in Ireland remains below World Health Organisation targets. The aim of this study was to determine factors associated with vaccine uptake in Ireland.

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Background: Information is lacking on the natural history of early stages of degenerative rotator cuff disease. Such information can be obtained by using clinical and imaging assessment after conservative treatment in affected patients.

Hypothesis: Subacromial impingement syndrome is a clinical presentation that can be associated with early stages of the disease.

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-glycopyranosyl derivatives of six-membered heterocycles are scarcely represented in the chemical literature and the title 3-glycopyranosyl-1,2,4-triazines are completely unknown. In this paper, the first synthesis of this compound class is accomplished by the cyclocondensation of -glycosyl formamidrazones and 1,2-dicarbonyl derivatives. In addition, the synthesis of -glycopyranosyl 1,2,4-triazin-5(4)-ones was also carried out by the transformation of the above formamidrazones with α-keto-carboxylic esters.

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Several studies have reported the waning effectiveness of COVID-19 vaccines. This study aims to demonstrate the applicability of the screening method for estimating vaccine effectiveness (VE) in a pandemic. We report VE in Hungary, estimated with the screening method, in 2021, covering a period of Alpha and the Delta variant, including the booster dose roll-out.

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Vaccination of children aged 5 years and older is recommended as part of a multifaceted strategy to protect children against SARS CoV-2 infection and serious disease, and to control the spread of infection. COVID-19 vaccine trials in children aged less than5 years are underway, however, parental acceptance of vaccines for this age group is unknown. Between June and August 2021, a cross-sectional national survey of parental attitudes towards childhood vaccination in Ireland was conducted.

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Background: Dynamic humeral centering (DHC) is a physiotherapy modality that aims to prevent sub-acromial impingement of rotator cuff tendons. We recently developed a new clinical manoeuver - the Viggo-Cochin test - to enhance the ability of the Neer test to detect sub-acromial impingement. Here we hypothesised whether the DHC effect may differ between individuals with positive and negative Viggo-Cochin test results.

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Our God image not only determines the nature of our relationship with God, it also influences our personality, actions, self-concept, mindset and social relations. It acts within and through us. Although everyone has a God image - regardless of whether one is a believer or not - the ways in which we experience God's relation to us are manifold.

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Background: Previous researches have identified the positive effects of gratitude on happiness and well-being. It has been found that spirituality can enhance gratitude and well-being. Our study aimed to examine the link between gratitude and subjective well-being among religious and non-religious people.

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Single-stranded oligodeoxynucleotides (ssODNs) are widely used as DNA repair templates in CRISPR/Cas precision genome editing. However, the underlying mechanisms of single-strand templated DNA repair (SSTR) are inadequately understood, constraining rational improvements to precision editing. Here we study SSTR at CRISPR/Cas12a-induced DNA double-strand breaks (DSBs) in the eukaryotic model green microalga Chlamydomonas reinhardtii.

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Hospital healthcare workers (HCWs) are at increased risk of contracting COVID-19 infection. We aimed to determine the seroprevalence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) antibodies in HCWs in Ireland. Two tertiary referral hospitals in Irish cities with diverging community incidence and seroprevalence were identified; COVID-19 had been diagnosed in 10.

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The diagnosis and treatment of cancer represents an experience that is potentially psychologically traumatizing for patients. However, cancer can contribute to the experience of positive psychological changes, namely posttraumatic growth. We conducted a review of empirical studies (n=44) on posttraumatic growth in cancer patients.

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Morningness-eveningness (chronotype) indicates the preferred time of intellectual and physical activity. This cross-sectional study had two main aims. The first aim was to explore associations among chronotype, quality of life, and relationship quality.

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Between 18 August 2018 and 24 January 2020, 3,736 mumps cases were notified in Ireland. The highest numbers of notifications were observed in the age group 15-24 years. Vaccination status was reported for 32% (n = 1,199) of cases: 72% of these had received two doses of measles-mumps-rubella (MMR) vaccine.

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Background: Pelvic-femoral injuries are a common problem in football (soccer) players. However, the risk factors for these injuries are unclear. Our knowledge of spinal-pelvic sagittal balance has increased considerably over the past few years, notably as a result of new radiographic techniques such the EOS radiographic imaging system.

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Article Synopsis
  • Influenza A(H3N2) was the dominant strain in Europe during the 2016-17 season, with both A(H3N2) and A(H1N1)pdm09 circulating in the 2017-18 season; the A(H3N2) vaccine component remained unchanged, while A(H1N1) was updated.
  • A study across 12 European countries assessed influenza vaccine effectiveness (VE), finding good protection (59% VE) against A(H1N1)pdm09, but low effectiveness (28% for 2016-17 and 13% for 2017-18) against A(H3N2), particularly in older populations.
  • The low effectiveness of the
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Article Synopsis
  • Previous studies on the impact of previous influenza vaccinations on current season vaccine effectiveness (VE) have shown inconsistent results.
  • This study analyzed data from multiple seasons to assess the VE among those vaccinated in the previous season compared to those who were not.
  • The findings revealed no clear pattern regarding the effects of past vaccinations, highlighting the need for more detailed studies to better understand these relationships.
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Background: The Neer, Hawkins, and Yocum clinical tests detect sub-acromial impingement as a pathogenic process of degenerative rotator cuff disease. Their reproducibility has been little investigated.

Objectives: We tested the reproducibility of the Neer, Hawkins, and Yocum clinical tests for detecting this sub-acromial impingement and also an original clinical manoeuver, the countertest with elevation with lateral rotation (CELR), which is a test of sub-acromial impingement.

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