Publications by authors named "Catherine Cargo"

Article Synopsis
  • Adult-onset Still's disease (AOSD) is a complex autoinflammatory disorder with unclear causes, and this study aims to explore its genetic background and potential treatment targets.
  • Researchers analyzed 60 AOSD patients using advanced genetic techniques and blood profiling to uncover rare genetic variants and inflammation markers.
  • Results indicated a higher frequency of certain genetic variants and significant elevation of specific cytokines and immune system markers in AOSD patients, suggesting a complicated genetic landscape that could lead to new approaches in treatment.
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The precise link between inflammation and pathogenesis of myelodysplastic syndrome (MDS) is yet to be fully established. We developed a novel method to measure ASC/NLRP3 protein specks which are specific for the NLRP3 inflammasome only. We combined this with cytokine profiling to characterise various inflammatory markers in a large cohort of patients with lower risk MDS in comparison to healthy controls and patients with defined autoinflammatory disorders (AIDs).

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Article Synopsis
  • Advancements in understanding myelodysplastic neoplasms (MDS) have revealed important cellular and molecular factors that influence disease progression, highlighting the significance of immune dysregulation in the bone marrow during MDS evolution.
  • Despite these advancements, immunotherapy for MDS has lagged due to a lack of effective immune classifications for patient stratification and no widely accepted immune panels for clinical use.
  • To address these challenges, the i4MDS consortium proposes standardized immune monitoring approaches, including flow cytometry panels and cytokine assays, aiming to improve patient stratification and develop predictive markers for treatment response in MDS.
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Background: Population-based information on cancer incidence and outcome are required to inform clinical practice and research; but contemporary data are lacking for many lymphoid cancer subtypes.

Methods: Set within a socio-demographically representative UK population of ∼4 million, data are from an established UK patient cohort (N = 22,414 diagnoses). Information on incidence (crude and age-standardised) and survival (overall and net) is presented for > 40 subtypes.

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  • Somatic mutations are common in patients with unexplained low blood cell counts (CCUS) and are linked to a higher risk of blood cancers and lower survival rates.
  • This study analyzed a large group of CCUS patients over several years to understand their outcomes, using samples from a clinical diagnostic lab in the UK.
  • Out of 2,083 eligible patients, 400 were confirmed with CCUS, with the most frequently mutated genes being TET2, SRSF2, and DNMT3A.
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The myeloid neoplasms encompass acute myeloid leukemia, myelodysplastic syndromes and myeloproliferative neoplasms. Most cases arise from the shared ancestor of clonal hematopoiesis (CH). Here we analyze data from 454,340 UK Biobank participants, of whom 1,808 developed a myeloid neoplasm 0-15 years after recruitment.

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Article Synopsis
  • * Conventional cytogenetics has been a key method for identifying chromosomal abnormalities, but newer sequencing technologies like whole-genome sequencing offer more detailed detection of both somatic and germline mutations.
  • * The 2022 International Consensus Classification heavily incorporates genomic data to enhance diagnosis and treatment personalization, aiming to aid healthcare professionals in utilizing genomic testing effectively for better patient outcomes.
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Treating adverse risk myelodysplastic syndromes with azacitidine exacerbates thrombocytopenia. We report a study of eltrombopag in combination with azacitidine using a 3 + 3 cohort design. Patients with baseline platelets of <150 × 10 /l received eltrombopag ranging from 25 to 300 mg.

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  • The MLL/AF4 fusion gene is linked to a high-risk form of pro-B acute lymphoblastic leukemia, where relapses may switch the cancer type to acute myeloid leukemia, complicating treatment.
  • Research shows that during these relapses, the cancer cells retain specific genetic characteristics from the original leukemia and can develop from different stages of cell development.
  • Changes in chromatin accessibility and gene regulation, particularly involving the CHD4 gene, contribute to this lineage switching, suggesting that the cancer's development is driven by faulty epigenetic control.
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Somatic mutations in UBA1 cause vacuoles, E1 ubiquitin-activating enzyme, X-linked, autoinflammatory somatic (VEXAS) syndrome, an adult-onset inflammatory disease with an overlap of hematologic manifestations. VEXAS syndrome is characterized by a high mortality rate and significant clinical heterogeneity. We sought to determine independent predictors of survival in VEXAS and to understand the mechanistic basis for these factors.

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Poulter and colleagues describe a series from the United Kingdom of 10 male patients with VEXAS syndrome, including 2 with novel genetic changes affecting methionine 41 of E1.

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We theorized that myelodysplastic syndrome (MDS) with somatic mutations and karyotype abnormalities are associated with autoinflammation, and that the presence of autoinflammatory disease affected prognosis in MDS. One hundred thirty-four MDS patients were assessed for the prevalence of autoinflammatory complications and its link with karyotypes and somatic mutation status. Autoinflammatory complications were described either as well-defined autoinflammatory diseases (AD) or undifferentiated "autoinflammatory disease" (UAD) (defined as CRP over 10.

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