761 results match your criteria: "Slone Epidemiology Center[Affiliation]"

Background: Cerebral microbleeds (CMB) increase the risk for Alzheimer disease. Current neuroimaging methods that are used to detect CMB are costly and not always accessible.

Objective: This study aimed to explore whether the digital clock-drawing test (DCT) may provide a behavioral indicator of CMB.

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Background: Although the relation between statin use and liver cancer risk has been extensively examined, few studies have examined other cholesterol-lowering medications in relation to liver cancer risk. The authors examined five classes of nonstatin medications and liver cancer risk.

Methods: A nested case-control including 3719 cases and 14,876 matched controls was conducted within the Clinical Practice Research Datalink.

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Background: Females exposed prenatally to diethylstilbestrol (DES) have an elevated risk of cervical dysplasia, breast cancer, and clear cell adenocarcinoma (CCA) of the cervix/vagina. Testicular cancer risk is increased in prenatally exposed males. Epigenetic changes may mediate the transmission of DES effects to the next ("third") generation of offspring.

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Importance: Endometriosis has been associated with an increased risk of ovarian cancer; however, the associations between endometriosis subtypes and ovarian cancer histotypes have not been well-described.

Objective: To evaluate the associations of endometriosis subtypes with incidence of ovarian cancer, both overall and by histotype.

Design, Setting, And Participants: Population-based cohort study using data from the Utah Population Database.

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Article Synopsis
  • Primary congenital glaucoma (PCG) affects about 1 in 10,000 infants in the U.S. and has a genetic basis that is not fully understood, with CYP1B1 being the most commonly mutated gene.
  • * The study investigated the genetics of PCG by analyzing 37 family trios through exome sequencing, looking for genetic variants that might contribute to the condition.
  • * Results showed that while CYP1B1 was present in some cases, 32% of infants had potentially harmful variants in other genes related to eye development, suggesting more complex genetics behind PCG.
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Psychosocial stress may increase ovarian cancer risk and accelerate disease progression. We examined the association between caregiver burden, a common stressor, and risk of epithelial ovarian cancer. We prospectively followed 67,724 women in the Nurses' Health Study (NHS; 1992-2012) and 70,720 women in the NHSII (2001-2009) who answered questions on informal caregiving (i.

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Importance: Subjective cognitive decline (SCD) is recognized to be in the Alzheimer disease (AD) cognitive continuum. The SCD Initiative International Working Group recently proposed SCD-plus (SCD+) features that increase risk for future objective cognitive decline but that have not been assessed in a large community-based setting.

Objective: To assess SCD risk for mild cognitive impairment (MCI), AD, and all-cause dementia, using SCD+ criteria among cognitively normal adults.

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Race and class in big data.

Sarcoidosis Vasc Diffuse Lung Dis

June 2024

Slone Epidemiology Center at, Boston University, Boston, MA, USA.

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Background: Despite Medicare coverage, financial hardship is a prevalent issue among those diagnosed with cancer at age 65 years and older, particularly among those belonging to a racial or ethnic minority group. Sociodemographic, clinical, and area-level factors may mediate this relationship; however, no studies have assessed the extent to which these factors contribute to the racial/ethnic disparities in financial hardship.

Methods: Surveys assessing financial hardship were completed by 721 White (84%) or Black (16%) patients (aged 65 years and older) who were diagnosed with breast (34%), prostate (27%), lung (17%), or colorectal (14%) cancer or lymphoma (9%) at the University of Alabama at Birmingham between 2000 and 2019.

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Unlabelled: In breast tumors, somatic mutation frequencies in TP53 and PIK3CA vary by tumor subtype and ancestry. Emerging data suggest tumor mutation status is associated with germline variants and genetic ancestry. We aimed to identify germline variants that are associated with somatic TP53 or PIK3CA mutation status in breast tumors.

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Breast cancer includes several subtypes with distinct characteristic biological, pathologic, and clinical features. Elucidating subtype-specific genetic etiology could provide insights into the heterogeneity of breast cancer to facilitate the development of improved prevention and treatment approaches. In this study, we conducted pairwise case-case comparisons among five breast cancer subtypes by applying a case-case genome-wide association study (CC-GWAS) approach to summary statistics data of the Breast Cancer Association Consortium.

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Pre-treatment amino acids and risk of paclitaxel-induced peripheral neuropathy in SWOG S0221.

Cancer Chemother Pharmacol

August 2024

Department of Clinical Pharmacy, University of Michigan College of Pharmacy, 428 Church St. 1100 North University Building Room 2560C, Ann Arbor, MI, 48109-1065, USA.

Article Synopsis
  • - The study examined the relationship between pre-treatment blood levels of amino acids and the occurrence and severity of chemotherapy-induced peripheral neuropathy (CIPN) in breast cancer patients treated with paclitaxel.
  • - While histidine levels were found not to be linked to the incidence of CIPN, some associations were noted between higher concentrations of glutamate, phenylalanine, tyrosine, and valine with increased CIPN severity, although these were not significant after further adjustments.
  • - Overall, the findings suggest that amino acid concentrations are not strong predictors of CIPN severity, indicating a need for future research to explore other potential biomarkers.
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Two genome-wide interaction loci modify the association of nonsteroidal anti-inflammatory drugs with colorectal cancer.

Sci Adv

May 2024

Division of Biostatistics, Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.

Article Synopsis
  • * Researchers analyzed data from 52 studies, including nearly 31,000 CRC cases and over 41,000 controls, to explore the genetic interactions with regular aspirin/NSAID use.
  • * They found significant interactions with genetic variants in two specific regions (6q24.1 and 5p13.1), which could help uncover new targets for understanding how aspirin provides its protective effects against colorectal cancer.
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Molecular Subtypes of High-Grade Serous Ovarian Cancer across Racial Groups and Gene Expression Platforms.

Cancer Epidemiol Biomarkers Prev

August 2024

Department of Population Health Sciences at the Spencer Fox Eccles School of Medicine, Huntsman Cancer Institute, University of Utah, Salt Lake City, Utah.

Background: High-grade serous carcinoma (HGSC) gene expression subtypes are associated with differential survival. We characterized HGSC gene expression in Black individuals and considered whether gene expression differences by self-identified race may contribute to poorer HGSC survival among Black versus White individuals.

Methods: We included newly generated RNA sequencing data from Black and White individuals and array-based genotyping data from four existing studies of White and Japanese individuals.

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Genome-wide association analyses of breast cancer in women of African ancestry identify new susceptibility loci and improve risk prediction.

Nat Genet

May 2024

Division of Epidemiology, Department of Medicine, Vanderbilt Epidemiology Center, Vanderbilt-Ingram Cancer Center, Vanderbilt University Medical Center, Nashville, TN, USA.

Article Synopsis
  • - The study analyzed genetic factors linked to breast cancer in a diverse sample of 18,034 African ancestry cases and 22,104 controls, identifying 12 genetic variants tied to increased risk.
  • - Key findings included a rare variant (rs61751053) associated with overall breast cancer risk (odds ratio 1.48) and a common variant (rs76664032) connected to triple-negative breast cancer (odds ratio 1.30).
  • - A polygenic risk score (PRS) showed a predictive capability (0.60 area under the curve) for breast cancer risk, illustrating improved accuracy compared to PRS based on European data and highlighting the significance of diversity in genetic research.
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Using genome and transcriptome data from African-ancestry female participants to identify putative breast cancer susceptibility genes.

Nat Commun

May 2024

Division of Epidemiology, Department of Medicine, Vanderbilt Epidemiology Center, Vanderbilt-Ingram Cancer Center, Vanderbilt University Medical Center, Nashville, TN, USA.

African-ancestry (AA) participants are underrepresented in genetics research. Here, we conducted a transcriptome-wide association study (TWAS) in AA female participants to identify putative breast cancer susceptibility genes. We built genetic models to predict levels of gene expression, exon junction, and 3' UTR alternative polyadenylation using genomic and transcriptomic data generated in normal breast tissues from 150 AA participants and then used these models to perform association analyses using genomic data from 18,034 cases and 22,104 controls.

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Fine-mapping analysis including over 254,000 East Asian and European descendants identifies 136 putative colorectal cancer susceptibility genes.

Nat Commun

April 2024

Division of Epidemiology, Department of Medicine, Vanderbilt-Ingram Cancer Center, Vanderbilt Epidemiology Center, Vanderbilt University Medical Center, Nashville, TN, USA.

Genome-wide association studies (GWAS) have identified more than 200 common genetic variants independently associated with colorectal cancer (CRC) risk, but the causal variants and target genes are mostly unknown. We sought to fine-map all known CRC risk loci using GWAS data from 100,204 cases and 154,587 controls of East Asian and European ancestry. Our stepwise conditional analyses revealed 238 independent association signals of CRC risk, each with a set of credible causal variants (CCVs), of which 28 signals had a single CCV.

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Purpose: Estimation of the independent effect of rurality on cancer mortality requires causal inference methodology and consideration of area-level socioeconomic status and rural designations.

Methods: Using SEER data, we identified key incident cancers diagnosed between 2000 and 2016 at age ≥20 years (N = 3,788,273), examining a 20% random sample (n = 757,655). Standardized competing risk and survival models estimated the association between rural residence, defined by Rural-Urban Continuum Codes, and cancer-specific and all-cause mortality, controlling for age at cancer diagnosis, sex, race/ethnicity, year of diagnosis, and Area Deprivation Index (ADI).

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The relationship between sex-specific blood biomarkers and memory changes in middle-aged adults remains unclear. We aimed to investigate this relationship using the data from the Framingham Heart Study (FHS). We conducted association analysis, partial correlation analysis, and causal dose-response curves using blood biomarkers and other data from 793 middle-aged participants (≤ 60 years) from the FHS Offspring Cohort.

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Purpose: Pack-year smoking history is an imperfect and biased measure of cumulative tobacco exposure. The use of pack-year smoking history to determine lung cancer screening eligibility in the current US Preventive Services Task Force (USPSTF) guideline may unintentionally exclude many high-risk individuals, especially those from racial and ethnic minority groups. It is unclear whether using a smoking duration cutoff instead of a smoking pack-year cutoff would improve the selection of individuals for screening.

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Hypertension and Risk of Endometrial Cancer: A Pooled Analysis in the Epidemiology of Endometrial Cancer Consortium (E2C2).

Cancer Epidemiol Biomarkers Prev

June 2024

Department of Population and Public Health Sciences, Keck School of Medicine of USC, University of Southern California, Los Angeles, California.

Background: The incidence rates of endometrial cancer are increasing, which may partly be explained by the rising prevalence of obesity, an established risk factor for endometrial cancer. Hypertension, another component of metabolic syndrome, is also increasing in prevalence, and emerging evidence suggests that it may be associated with the development of certain cancers. The role of hypertension independent of other components of metabolic syndrome in the etiology of endometrial cancer remains unclear.

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Introduction: Alzheimer's disease (AD) is a heterogeneous disorder characterized by complex underlying neuropathology that is not fully understood. This study aimed to identify cognitive progression subtypes and examine their correlation with clinical outcomes.

Methods: Participants of this study were recruited from the Framingham Heart Study.

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Article Synopsis
  • The study investigates how maternal responsiveness and self-regulation mediate the link between a mother's education level and her child's self-regulation skills.
  • It involved 189 mother-child pairs and used various scales to assess maternal emotional regulation, responsiveness, and child self-regulation.
  • Results showed that higher maternal education correlated with better child self-regulation, largely due to increased maternal responsiveness, which accounted for 29% of the effect.
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Background And Aims: The association between fiber or whole grain intakes and the risk of liver cancer remains unclear. We assessed the associations between fiber or whole grain intakes and liver cancer risk among 2 prospective studies, and systematically reviewed and meta-analyzed these results with published prospective studies.

Approach And Results: A total of 111,396 participants from the Prostate, Lung, Colorectal, and Ovarian Cancer Screening Trial (PLCO) and 26,085 men from the Alpha-Tocopherol, Beta-Carotene Cancer Prevention Study were included.

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