Publications by authors named "Joseph Deng"

Purpose: Fanconi anemia (FA) is a bone marrow failure and cancer predisposition syndrome caused primarily by biallelic pathogenic variants in 1 of 22 genes involved in DNA interstrand cross-link repair. An enduring question concerns cancer risk of those with a single pathogenic FA gene variant. To investigate all FA genes, this study utilized the DiscovEHR cohort of 170,503 individuals with exome sequencing and electronic health data.

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Purpose Of Review: Recent advances in diagnosis and treatment of inherited bone marrow failure syndromes (IBMFS) have significantly improved disease understanding and patient outcomes. Still, IBMFS present clinical challenges that require further progress. This review aims to provide an overview of the current state of diagnosis and treatment modalities of the major IBMFS seen in paediatrics and present areas of prioritization for future research.

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The use of extracorporeal membrane oxygenation (ECMO) is growing rapidly in all patient populations, especially adults for both acute lung or heart failure. ECMO is a complex, high risk, resource-intense, expensive modality that requires appropriate planning, training, and management for successful outcomes. This article provides an optimal approach and the basic framework for initiating a new ECMO program, which can be tailored to meet local needs.

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Background: Studies investigating associations between mammographic density (MD) and breast cancer subtypes have generated mixed results. We previously showed that having extremely dense breasts was associated with the human epidermal growth factor receptor-2 (HER2)-enriched subtype in Chinese breast cancer patients.

Methods: In this study, we reevaluated the MD-subtype association in 1549 Chinese breast cancer patients, using VolparaDensity software to obtain quantitative MD measures.

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Purpose: In addition to impacting incidence, risk factors for breast cancer may also influence recurrence and survival from the disease. However, it is unclear how these factors affect combinatorial biomarkers for aiding treatment decision-making in breast cancer.

Methods: Patients were 8179 women with histologically confirmed invasive breast cancer, diagnosed and treated in a large cancer hospital in Beijing, China.

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Nanoparticulate and water-soluble formulations of ionic polyphosphazenes and protein cargo - lysozyme (LYZ) were prepared by their self-assembly in aqueous solutions at near physiological pH (pH 7.4) in the presence and absence of an ionic cross-linker - spermine tetrahydrochloride. Efficiency of LYZ encapsulation, physico-chemical characteristics of formulations, and the effect of reaction parameters were investigated using asymmetric flow field flow fractionation (AF4) and dynamic light scattering (DLS) methods.

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Article Synopsis
  • Mutations in breast cancer are common and linked to more aggressive tumors, but the role of p53 protein expression in different breast cancer subtypes is not well understood.* -
  • A study of 7226 Chinese women revealed that p53 expression varies by subtype, being lowest in luminal A-like and highest in triple-negative and HER2-enriched subtypes, with p53 positivity indicating more aggressive tumor features in the luminal A-like category.* -
  • The findings suggest that p53 status can help identify certain clinical characteristics in luminal A-like breast cancer, highlighting its potential as a useful marker in treatment and prognostic assessments.*
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Article Synopsis
  • The study investigates the connection between mammographic density (MD) and breast cancer tumor characteristics in Chinese women, focusing on how MD relates to specific molecular subtypes of tumors.
  • Analysis of 2001 breast cancer patients categorized MD using BI-RADS, and results indicate that women with extremely dense breasts (BI-RADS D) are more likely to have HER2-enriched tumors, especially if they have a normal BMI.
  • Findings suggest that higher MD among women with normal BMI correlates with a higher incidence of HER2+ tumors, potentially explaining the increased rates of these tumors observed in Asian populations.
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Extensive mammographic density (MD), a well-established breast cancer risk factor, is a radiological representation of stromal and epithelial breast tissue content. In studies conducted predominantly among Caucasian women, histologic measures of reduced terminal duct lobular unit (TDLU) involution have been correlated with extensive MD, but independently associated with breast cancer risk. We therefore examined associations between TDLU measures and MD among Chinese women, a low-risk population but with high prevalence of dense breasts.

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Background: Terminal duct lobular unit (TDLU) involution is a physiological process of breast tissue aging characterized by a reduction in the epithelial component. In studies of women with benign breast disease, researchers have found that age-matched women with lower levels of TDLU involution are at increased risk of developing breast cancer. We previously showed that breast cancer cases with core basal phenotype (CBP; estrogen receptor negative [ER], progesterone receptor-negative [PR], human epidermal growth factor receptor 2-negative [HER2], cytokeratins (CK 5 or CK5/6)-positive [CK5/6] and/or epidermal growth factor receptor-positive [EGFR]) tumors had significantly reduced TDLU involution compared with cases with luminal A (ER and/or PR, HER2, CK5/6, EGFR) tumors from a population-based case-control study in Poland.

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Laparoscopic Roux-en-Y gastric bypass (LGB) is one of the most popular surgeries for morbid obesity. Robotic use is also on the rise. Data concerning outcomes is limited, hence the need for more information.

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