Publications by authors named "Marie O'Donnell"

Pathogenic variants in FLNA cause a diversity of X-linked developmental disorders associated with either preserved or diminished levels of filamin A protein and are conceptualized dichotomously as relating to underlying gain- or loss-of-function pathogenic mechanisms. Hemizygosity for germline deletions or truncating variants in FLNA is generally considered to result in embryonic lethality. Structurally, filamin A is composed of an N-terminal actin-binding region, followed by 24 immunoglobulin-like repeat units.

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Introduction: Kidney transplant recipients (KTR) have a three-to-four-fold increased risk of developing urothelial carcinoma (UC) compared to the general population. BK polyoma virus (BKV) infection is known to affect approximately 15% of KTR. In vitro models support a potential pathogenic role for BKV in the development of UC.

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Article Synopsis
  • Muscle-invasive bladder cancer (MIBC) is a serious disease in humans, and researchers are looking at dogs, cats, and cattle to learn more about it because these animals can also get a similar type of cancer.
  • Scientists found that while dogs and cats have some shared genetic changes with humans, their cancer has fewer mutations than human MIBC.
  • Cattle, on the other hand, have different mutations caused by eating bracken fern, which helps researchers understand how certain chemicals can lead to cancer in both animals and humans.
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Objective: To identify clinicopathological or radiological factors that may predict a diagnosis of upper urinary tract urothelial cell carcinoma (UTUC) to inform which patients can proceed directly to radical nephroureterectomy (RNU) without the delay for diagnostic ureteroscopy (URS).

Patients And Methods: All consecutive patients investigated for suspected UTUC in a high-volume UK centre between 2011 and 2017 were identified through retrospective analysis of surgical logbooks and a prospectively maintained pathology database. Details on clinical presentation, radiological findings, and URS/RNU histopathology results were evaluated.

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Practice-based interprofessional education (IPE) is both a valuable and complex model of practice education. To support educators design, deliver, and implement high-quality practice-based IPE, this guideline was developed in conjunction with a placement profile. Underpinned by educational theory, this guideline and placement profile identifies key factors to consider before, during, and after practice-based IPE.

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Introduction: Physiotherapy student-led services (SLS) are becoming increasingly prevalent in clinical education (CE) practice within physiotherapy curricula. This innovative model differs from traditional styles adopted by many, as its primary focus is on increased student responsibility and replicating the reality of practice. However, limited literature is currently available on its suitability as a CE model and on the perceptions of such a model.

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Most succinate dehydrogenase (SDH)-deficient renal cell carcinomas (RCCs) demonstrate stereotypical morphology characterized by bland eosinophilic cells with frequent intracytoplasmic inclusions. However, variant morphologic features have been increasingly recognized. We therefore sought to investigate the incidence and characteristics of SDH-deficient RCC with variant morphologies.

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Purpose: To determine the optimal post-operative risk stratification system associated with survival following surgery for clear cell renal cell carcinoma (ccRCC): tumour grade, tumour stage, Leibovich 2003, Leibovich 2018, Kattan, Stage, size, grade and necrosis (SSIGN) or UCLA Integrated Staging System (UISS) scores.

Methods: 542 patients with non-metastatic ccRCC who underwent nephrectomy 2008-2018 were reviewed. Primary outcome was recurrence-free survival (RFS), with secondary outcomes cancer-specific survival (CSS) and overall survival (OS).

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The extracellular matrix comprises a network of macromolecules such as collagens, proteoglycans and glycoproteins. VWA1 (von Willebrand factor A domain containing 1) encodes a component of the extracellular matrix that interacts with perlecan/collagen VI, appears to be involved in stabilizing extracellular matrix structures, and demonstrates high expression levels in tibial nerve. Vwa1-deficient mice manifest with abnormal peripheral nerve structure/function; however, VWA1 variants have not previously been associated with human disease.

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Urothelial (transitional cell) carcinoma (UC) is the most common type of bladder cancer in humans, dogs and cats, although the incidence in cats is comparatively low. This retrospective study details the histopathological features of UC of the urinary bladder in 38 samples from 35 cats. Of the 38 samples, eight had a papillary architecture and in nine the tumour cells formed tubular or acinar structures.

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Background: Clinicopathological scores are used to predict the likelihood of recurrence-free survival for patients with clear cell renal cell carcinoma (ccRCC) after surgery. These are fallible, particularly in the middle range. This inevitably means that a significant proportion of ccRCC patients who will not develop recurrent disease enroll into clinical trials.

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Purpose: Paucity of reliable long-term data on the prognostic implications of the 2004 WHO bladder cancer classification system necessitates utilisation of both this and the 1973 grading systems. This study evaluated, in noninvasive (pTa) bladder tumours, the prognostic value of the 2004 system independently and in combination with the 1973 system while establishing concordance between tertiary centre uropathologists.

Methods: We used a cohort of non-muscle invasive bladder cancer (NMIBC) patients diagnosed between 1991 and 93 where tumour features were gathered prospectively with detailed cystoscopic follow-up data recorded over 15 years.

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Godinho investigates the role centrosomes play in cancer cell biology.

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Song investigates the mechanisms that control stem cell fate in development and disease.

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Lazarou investigates the relationship between mitochondria and autophagy.

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Maeshima investigates the higher order structures and dynamics of chromatin.

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Tripathi investigates how the tumor suppressor DLC1 is regulated by oncogenic kinases.

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Rivera-Serrano investigates the host cell genes that support viral infection.

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Alushin investigates the structural biology of biomechanical processes in the cytoskeleton.

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Saito studies the mechanisms that control secretion of collagen from the ER.

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Gihana investigates how cells coordinate their shape and polarity with chromosome segregation.

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Fritz-Laylin studies the evolution of complex protein networks associated with cell movement.

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Silva investigates how ribosomal protein complexes are regulated by K63 ubiquitination.

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