Publications by authors named "Timothy Robinson"

Background: Obesity is a major risk factor for many cancers. Glucagon-like peptide-1 receptor agonists (GLP-1RA) have emerged as highly effective agents for weight loss. There is a lack of published modelling studies describing the broader implications of GLP-1RA-induced weight loss on cancer incidence.

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Background: Transcriptomic features of breast cancer locoregional recurrence (LRR) remain poorly understood. We therefore sought to investigate transcriptomic features associated with LRR in newly diagnosed invasive breast tumors from our institutional dataset.

Methods: Transcriptomic profiling was performed on 632 tumors from consecutive patients treated within our health system for newly diagnosed non-metastatic breast cancer.

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The NCCN Guidelines for Multiple Myeloma (MM) provide recommendations for diagnosis, initial workup, treatment, follow-up, and supportive care for patients with MM. These NCCN Guidelines Insights highlight the important updates and changes specific to systemic therapy for patients with newly diagnosed as well as previously treated MM included in Version 1.2025 of the NCCN Guidelines for MM.

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Importance: Screening mammography promotes early detection of breast cancer and is associated with reduced breast cancer mortality. Screening history prior to diagnosis may impact stage at diagnosis and breast cancer mortality but has not been comprehensively examined within a diverse US cohort.

Objective: To determine whether having a prior screening is associated with earlier stage at breast cancer diagnosis and lower breast cancer-specific mortality.

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Despite the increasing utilization of bridging radiotherapy (Br-RT), its impact on chimeric antigen receptor T-cell therapy (CAR-T) efficacy and toxicity remains poorly characterized. We retrospectively reviewed patients with relapsed/refractory B-cell lymphomas (BCLs) who received Br-RT followed by CAR-T from 2018 to 2020 across 10 institutions. Br-RT toxicities were graded per Common Terminology Criteria for Adverse Events version 5.

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The CandyCollect is a lollipop-inspired open-fluidic oral sampling device designed to provide a comfortable user sampling experience. We demonstrate that the CandyCollect device can be coupled to a rapid antigen detection test (RADT) kit designed for Group A Streptococcus (GAS). Through experiments with pooled saliva spiked with , we tested various reagents and elution volumes to optimize the RADT readout from CandyCollect device samples.

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Background: Our previous clinical investigation suggested that hypofractionated stereotactic re-irradiation (HFSRT) and PD-1 blockade may act synergistically to enhance the immune response against glioma. This subsequent trial investigated the dual blockade of CTLA4 and PD-1 in combination with HFSRT and bevacizumab.

Methods: This phase I study enrolled eligible patients with bevacizumab-naïve recurrent glioblastoma or anaplastic astrocytoma.

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Objective: An increasing challenge in population health research is efficiently utilising the wealth of data available from multiple sources to investigate disease mechanisms and identify potential intervention targets. The use of biomedical data integration platforms can facilitate evidence triangulation from these different sources, improving confidence in causal relationships of interest. In this work, we aimed to integrate Mendelian randomization (MR) and literature-mined evidence from the EpiGraphDB biomedical knowledge graph to build a comprehensive overview of risk factors for developing breast cancer.

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Background: The relationship between sleep traits and survival in breast cancer is uncertain and complex. There are multiple biological, psychological and treatment-related factors that could link sleep and cancer outcomes. Previous studies could be biased due to methodological limitations such as reverse causation and confounding.

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Chimeric antigen receptor (CAR) T-cell receptor therapy has transformed outcomes for patients with relapsed and refractory diffuse large B-cell lymphoma (R/R DLBCL). It is currently approved in the third line for all patients and in the second line for early relapsed or primary refractory disease. Although CAR T cell therapy offers the potential for improved outcomes, its use may also include logistical delays related to referral, medical, social, and financial clearance as well as manufacturing time; more than half of patients experience disease recurrence or progression while awaiting CAR T infusion.

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Microfluidics offer user-friendly liquid handling for a range of biochemical applications. 3D printing microfluidics is rapid and cost-effective compared to conventional cleanroom fabrication. Typically, microfluidics are 3D printed using digital light projection (DLP) stereolithography (SLA), but many models in use are expensive (≥$10,000 USD), limiting widespread use.

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The CandyCollect device is a lollipop-inspired open fluidic oral sampling device designed to provide a comfortable user sampling experience. We demonstrate that the CandyCollect device can be coupled with a rapid antigen detection test (RADT) kit designed for Group A Streptococcus (GAS). Through experiments with pooled saliva spiked with we tested various reagents and elution volumes to optimize the RADT readout from CandyCollect device samples.

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Article Synopsis
  • This study focused on idiopathic normal pressure hydrocephalus (iNPH) in older patients, assessing the effectiveness of frailty scoring in predicting postoperative complications after ventriculoperitoneal shunt (VPS) surgery.
  • Researchers analyzed data from 9319 patients using two frailty indices, finding that higher Risk Analysis Index (RAI) scores correlated with increased complication rates and adverse outcomes such as mortality and extended hospital stays.
  • Results indicated that RAI was more accurate than the modified 5-item Frailty Index (mFI-5) for predicting critical outcomes, suggesting frailty assessments could improve risk stratification for high-risk iNPH patients undergoing VPS surgery.
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KKT4 is a multi-domain kinetochore protein specific to kinetoplastids, such as Trypanosoma brucei. It lacks significant sequence similarity to known kinetochore proteins in other eukaryotes. Our recent X-ray structure of the C-terminal region of KKT4 shows that it has a tandem BRCT (BRCA1 C Terminus) domain fold with a sulfate ion bound in a typical binding site for a phosphorylated serine or threonine.

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Purpose: Leptomeningeal disease (LMD) is clinically detected in 5% to 10% of patients with solid tumors and is a source of substantial morbidity and mortality. Prognosis for this entity remains poor and treatments are palliative. Radiation therapy (RT) is an essential tool in the management of LMD, and a recent randomized trial demonstrated a survival benefit for proton craniospinal irradiation (CSI) in select patients.

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Article Synopsis
  • Identifying high-risk women for osteoporotic fractures from aromatase inhibitor therapy involves assessing known risk factors, but these may not accurately reflect the actual risk in breast cancer patients.
  • A study of 2152 women with hormonal receptor positive breast cancer found that a polygenic score related to heel ultrasound speed of sound (gSOS) was a significant predictor of fracture risk after AI therapy over an average follow-up of 6.1 years.
  • Women in higher tertiles of gSOS exhibited significantly lower fracture risks, indicating that gSOS could serve as an independent genetic predictor, suggesting further research is needed to integrate it into fracture risk assessment for breast cancer patients on AI therapy.
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Article Synopsis
  • The treatment options for Waldenström macroglobulinemia/lymphoplasmacytic lymphoma (WM/LPL) have expanded with new advancements.
  • The NCCN Guidelines offer a structured approach for diagnosing, treating, and evaluating responses in patients with WM/LPL.
  • These guidelines apply to both newly diagnosed and previously treated individuals, ensuring effective follow-up care.
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While the use of negative pressure wound therapy (NPWT) with reticulated open cell foam (ROCF) is well established, the characteristics of ROCF do not allow for extended-wear use. There is the potential for dressing tissue ingrowth if left in place for greater than the recommended 2-3 days. An easy to use, novel peel and place dressing has been designed for extended wear with the wound management advantages of ROCF while alleviating the challenges of tissue ingrowth.

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Leptomeningeal disease (LMD) occurs when tumors seed into the leptomeningeal space and cerebrospinal fluid (CSF), leading to severe neurological deterioration and poor survival outcomes. We utilized comprehensive multi-omics analyses of CSF from patients with lymphoma LMD to demonstrate an immunosuppressive cellular microenvironment and identified dysregulations in proteins and lipids indicating neurodegenerative processes. Strikingly, we found a significant accumulation of toxic branched-chain keto acids (BCKA) in the CSF of patients with LMD.

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Article Synopsis
  • - The treatment landscape for relapsed/refractory multiple myeloma has expanded significantly with new options like second generation proteasome inhibitors, immunomodulators, monoclonal antibodies, and CAR T cells, among others.
  • - Due to the nature of multiple myeloma, many patients will experience multiple relapses and require various combination therapies that consider their specific resistance patterns and individual factors such as age and health conditions.
  • - The NCCN Guidelines for multiple myeloma offer a structured approach to help healthcare providers make informed decisions regarding diagnosis, treatment, and monitoring for patients with relapsed/refractory multiple myeloma.
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High body mass index (BMI) is a causal risk factor for endometrial cancer but the tumor molecular mechanisms affected by adiposity and their therapeutic relevance remain poorly understood. Here we characterize the tumor multi-omic landscape of endometrial cancers that have developed on a background of lifelong germline genetic exposure to elevated BMI. We built a polygenic score (PGS) for BMI in women using data on independent, genome-wide significant variants associated with adult BMI in 434,794 women.

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