Publications by authors named "Jane Meza"

While better management of loco-regional prostate cancer (PC) has greatly improved survival, advanced PC remains a major cause of cancer deaths. Identification of novel targetable pathways that contribute to tumor progression in PC could open new therapeutic options. The di-ganglioside GD2 is a target of FDA-approved antibody therapies in neuroblastoma, but the role of GD2 in PC is unexplored.

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Overexpression of the EPS15 Homology Domain containing 1 (EHD1) protein has been linked to tumorigenesis but whether its core function as a regulator of intracellular traffic of cell surface receptors plays a role in oncogenesis remains unknown. We establish that EHD1 is overexpressed in Ewing sarcoma (EWS), with high EHD1 mRNA expression specifying shorter patient survival. ShRNA-knockdown and CRISPR-knockout with mouse Ehd1 rescue established a requirement of EHD1 for tumorigenesis and metastasis.

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Improved maintenance treatments are needed for patients with relapsed/refractory aggressive lymphomas after autologous haematopoietic stem cell transplantation (ASCT). Several studies with lenalidomide have been found to have activity in the treatment of relapsed/refractory aggressive lymphomas. In the present phase I/II, single-arm, open-label study, 59 patients with high-risk relapsed non-Hodgkin lymphoma received pretransplant BEAM chemotherapy and ASCT followed by 12 months of maintenance lenalidomide once daily on Days 1-21 (28-day cycles) beginning at post-transplantation Day 100.

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While better management of loco-regional prostate cancer (PC) has greatly improved survival, advanced PC remains a major cause of cancer deaths. Identification of novel targetable pathways that contribute to tumor progression in PC could open new therapeutic options. The di-ganglioside GD2 is a target of FDA-approved antibody therapies in neuroblastoma, but the role of GD2 in PC is unexplored.

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Overexpression of EPS15 Homology Domain containing 1 (EHD1) has been linked to tumorigenesis but whether its core function as a regulator of intracellular traffic of cell surface receptors plays a role in oncogenesis remains unknown. We establish that EHD1 is overexpressed in Ewing sarcoma (EWS), with high EHD mRNA expression specifying shorter patient survival. ShRNA and CRISPR-knockout with mouse Ehd1 rescue established a requirement of EHD1 for tumorigenesis and metastasis.

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With nearly all cancer deaths a result of metastasis, elucidating novel pro-metastatic cellular adaptations could provide new therapeutic targets. Here, we show that overexpression of the EPS15-Homology Domain-containing 2 (EHD2) protein in a large subset of breast cancers (BCs), especially the triple-negative (TNBC) and HER2+ subtypes, correlates with shorter patient survival. The mRNAs for EHD2 and Caveolin-1/2, structural components of caveolae, show co-overexpression across breast tumors, predicting shorter survival in basal-like BC.

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The direct estimation techniques in small area estimation (SAE) models require sufficiently large sample sizes to provide accurate estimates. Hence, indirect model-based methodologies are developed to incorporate auxiliary information. The most commonly used SAE models, including the Fay-Herriot (FH) model and its extended models, are estimated using marginal likelihood estimation and the Bayesian methods, which rely heavily on the computationally intensive integration of likelihood function.

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Background: Rising antimicrobial resistance rates may impact the efficacy of empirical antibiotic treatment for febrile neutropenia in high-risk cancer patients. Lacking contemporary data about the epidemiology, antibiotic resistance patterns, and clinical outcomes from bloodstream infections (BSIs) in US cancer patients, it is unclear if current guidelines remain relevant.

Methods: In a cross-sectional study, 14 US cancer centers prospectively identified BSIs in high-risk febrile neutropenic (FN) patients, including those receiving chemotherapy for hematologic malignancies or hematopoietic stem cell transplantation.

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Background: Previous studies have explored surgery refusal among female breast cancer patients. However, little attention has been given to other therapies in both females and males. The goal of this study was to determine the potential role of gender on recommended hormone therapy, chemotherapy, radiation therapy, and surgery refusal and to describe other determinants of refusal.

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Despite the widespread use of combination antiretroviral therapy (cART), HIV-associated neurocognitive impairment (NCI) remains a health concern. However, limited research has been done to identify factors associated with neurocognitive decline. We assessed risk factors associated with neurocognitive decline in people living with HIV using a definition of decline that is statistically easy to adopt, is based on a commonly used neuropsychological cut-off and may be clinically relevant.

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Objectives: We assessed the 30-day readmission rate of a privately insured population diagnosed with colorectal cancer (CRC) who had primary tumor resection in rural and urban communities.

Methods: Claims data of people aged <65 with a diagnosis of CRC between 2012 and 2016 and enrolled in a private health plan administered by BlueCross BlueShield of Nebraska were analyzed. Readmission was defined as the number of discharged patients who were readmitted within 30 days, divided by all discharged patients.

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Article Synopsis
  • - The study aimed to assess risky sexual behaviors among HIV-positive individuals on antiretroviral therapy (ART) in Dodoma, Tanzania, focusing on factors related to condom use and sexual partners.
  • - Out of 291 participants, many reported unsafe practices: 44% had inconsistent condom use, 21% had multiple sex partners, and 13% engaged in casual sex, indicating a concern for potential HIV transmission.
  • - Key findings showed younger individuals (≤35 years) were less likely to have single partners, while having no HIV-infected family members correlated with higher condom use and lower reported STD symptoms.
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Background: Cholestatic liver diseases are characterized by an accumulation of toxic bile acids (BA) in the liver, blood and other tissues which lead to progressive liver injury and poor prognosis in patients.

Aim: To discover and validate prognostic biomarkers of cholestatic liver diseases based on the urinary BA profile.

Methods: We analyzed urine samples by liquid chromatography-tandem mass spectrometry and investigated the use of the urinary BA profile to develop survival models that can predict the prognosis of hepatobiliary diseases.

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Most breast cancers in Oman are diagnosed at advanced stages and therefore early detection is important. The Oman Cancer Association (OCA) initiated a mobile mammography program in 2009, but no studies have evaluated its impact. This study aimed at estimating the proportion and predictors of OCA-screened women who had repeated mammography (adherence) and the sensitivity and specificity of the program.

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Background: Hepatobiliary diseases result in the accumulation of toxic bile acids (BA) in the liver, blood, and other tissues which may contribute to an unfavorable prognosis.

Aim: To discover and validate diagnostic biomarkers of cholestatic liver diseases based on the urinary BA profile.

Methods: We analyzed urine samples by liquid chromatography-tandem mass spectrometry and compared the urinary BA profile between 300 patients with hepatobiliary diseases 103 healthy controls by statistical analysis.

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Purpose: To determine whether interim 3'-deoxy-3'-[F]fluorothymidine (iFLT) PET/CT is a superior predictor of progression-free survival (PFS) compared with interim F-fluorodeoxyglucose (iFDG) PET/CT in patients with diffuse large B cell lymphoma (DLBCL) treated with rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisone (R-CHOP) or rituximab, etoposide, prednisone, vincristine, cyclophosphamide, and doxorubicin (R-EPOCH).

Methods: Ninety-two prospectively enrolled patients with DLBCL underwent both FLT-PET/CT and FDG-PET/CT 18-24 days after two cycles of R-CHOP/R-EPOCH. Deauville-criteria, PERCIST1.

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Background: Cancer patients with brain metastases (BMs) require multidisciplinary care, and treatment facility may play a role. This study aimed to investigate the impact of receiving treatment at academic centers on the overall survival (OS) of cancer patients with brain metastases (BMs) regardless of the primary cancer site.

Methods: This retrospective analysis of the National Cancer Database (NCDB) included patients diagnosed with non-small cell lung cancer, small-cell lung cancer, other types of lung cancer, breast cancer, melanoma, colorectal cancer, and kidney cancer and had brain metastases at the time of diagnosis.

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HIV-related neurocognitive impairment (NCI) may increase the risk of death. However, a survival disadvantage for patients with NCI has not been well studied in the post-combination antiretroviral therapy (cART) era. Specifically, limited research has been conducted considering the reversible nature and variable progression of the impairment and this area demands further evaluation.

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Earlier studies investigated rural-urban colorectal cancer (CRC) screening disparities among older adults or used surveys. The objective was to compare screening uptake between rural and urban individuals 50-64 years of age using private health insurance. Data were analyzed from 58,774 Blue Cross Blue Shield of Nebraska beneficiaries.

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Background And Purpose: Stereotactic Body Radiotherapy (SBRT) has emerged as a standard treatment for inoperable early-stage non-small cell lung cancer (NSCLC) with remarkable local control. However, it is not clear if this local control translates to overall survival (OS). The objective of this study is to investigate the impact of SBRT on the OS of early-stage NSCLC patients and examine if the extent of this impact changes with the era of diagnosis, T stage, age, and comorbidity status.

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Article Synopsis
  • Cervical cancer is the most common cancer among women in Sub-Saharan Africa, particularly in Tanzania, where radiotherapy is limited to the Ocean Road Cancer Institute in Dar es Salaam.
  • A study comparing cervical cancer incidence in Mwanza and Mbeya from 2011 to 2014 revealed significant underreporting, with only 24.6% of patients from Mwanza and 32.8% from Mbeya receiving treatment at ORCI.
  • Establishing local radiotherapy facilities and improving hospital record linkage is crucial to enhance treatment access and patient survival in remote regions of Tanzania.
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Immunotherapy has shown great success in various malignancies. However, its efficacy in pancreatic ductal adenocarcinoma (PDAC) remains a challenge, and the lack of understanding about the appropriate timing of immunotherapy with other standard-of-care cancer treatments may be one of the causes. The objective of the current study is to investigate the impact of the timing of immunotherapy with chemotherapy and radiation therapy (RT) on the overall survival (OS) of PDAC patients who did not receive surgical resection of the pancreatic tumor.

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Importance: Immunotherapy has shown significant control of intracranial metastases in patients with melanoma. However, the association of immunotherapy combined with other cancer treatments and overall survival (OS) of patients with brain metastases, regardless of primary tumor site, is unknown.

Objective: To explore the association of immunotherapy with OS in patients with cancer and brain metastases who received definitive surgery of the primary site.

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Article Synopsis
  • Cervical cancer is a major health concern for women globally, particularly for those living with HIV, and this study focused on women receiving care at an HIV clinic in Dodoma, Tanzania.
  • The research revealed that while a significant number of women were aware of cervical cancer, many had poor knowledge about it, and a large majority had never been screened; however, most expressed a willingness to undergo screening.
  • The findings highlighted that factors like age, educational level, and urban residence played a crucial role in awareness and willingness to screen, emphasizing the need for enhanced education and integration of cervical cancer services in HIV care.
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Background And Purpose: Immunotherapy has shown great efficacy in many cancers, but its role in pancreatic ductal adenocarcinoma (PDAC) remains unclear. The objective of this study was to investigate the impact of immunotherapy on the overall survival of PDAC patients who did not receive definitive surgery of the pancreatic primary tumor site using the National Cancer Database (NCDB).

Materials And Methods: Patients with pancreatic adenocarcinoma who did not receive surgery were identified from NCDB.

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