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"Precision medicine" disparities

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https://www.readbyqxmd.com/read/28815129/sdt-a-tree-method-for-detecting-patient-subgroups-with-personalized-risk-factors
#1
Xiangrui Li, Dongxiao Zhu, Ming Dong, Milad Zafar Nezhad, Alexander Janke, Phillip D Levy
Eradicating health disparity is a new focus for precision medicine research. Identifying patient subgroups is an effective approach to customized treatments for maximizing efficiency in precision medicine. Some features may be important risk factors for specific patient subgroups but not necessarily for others, resulting in a potential divergence in treatments designed for a given population. In this paper, we propose a tree-based method, called Subgroup Detection Tree (SDT), to detect patient subgroups with personalized risk factors...
2017: AMIA Summits on Translational Science Proceedings
https://www.readbyqxmd.com/read/28807841/racial-disparity-in-gastrointestinal-cancer-risk
#2
REVIEW
Hassan Ashktorab, Sonia S Kupfer, Hassan Brim, John M Carethers
Cancer from the gastrointestinal tract and its associated excretory organs will occur in over 300,000 Americans in 2017, with colorectal cancer responsible for over forty percent of that burden; there will be over 150,000 deaths from this group of cancers in the same time period. Disparities among subgroups related to these cancers' incidence and mortality exist. The epidemiology and risk factors associated with each cancer bear out differences for racial groups in the United States. Esophageal adenocarcinoma is more frequent in Non-Hispanic Whites, whereas esophageal squamous cell carcinoma with risk factors of tobacco and alcohol is more frequent among Blacks...
August 11, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28771252/precision-medicine-health-disparities-and-ethics-the-case-for-disability-inclusion
#3
Maya Sabatello
No abstract text is available yet for this article.
August 3, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/28757202/leveraging-multi-ethnic-evidence-for-risk-assessment-of-quantitative-traits-in-minority-populations
#4
Marc A Coram, Huaying Fang, Sophie I Candille, Themistocles L Assimes, Hua Tang
An essential component of precision medicine is the ability to predict an individual's risk of disease based on genetic and non-genetic factors. For complex traits and diseases, assessing the risk due to genetic factors is challenging because it requires knowledge of both the identity of variants that influence the trait and their corresponding allelic effects. Although the set of risk variants and their allelic effects may vary between populations, a large proportion of these variants were identified based on studies in populations of European descent...
August 3, 2017: American Journal of Human Genetics
https://www.readbyqxmd.com/read/28745447/commentary-perspectives-on-alcohol-related-gene-and-environment-interplay-in-diverse-populations
#5
Marcia S Scott
BACKGROUND AND OBJECTIVES: Racial/ethnic groups comprise more than 20% of the U.S. population, but many experience disproportionately high risk for alcohol misuse, often resulting in higher rates of alcohol-associated consequences. Completion of mapping the human genome has launched rapidly evolving research methods aimed at improved understanding of genetic contribution to disease. Despite decades of research on the influence of genetic and environmental risks on alcohol use disorders and outcomes, few studies have included racial/ethnic subpopulations in sufficient numbers to allow for proper statistical analysis...
August 2017: American Journal on Addictions
https://www.readbyqxmd.com/read/28592923/omics-based-molecular-techniques-in-oral-pathology-centred-cancer-prospect-and-challenges-in-africa
#6
REVIEW
Henry A Adeola, Olujide O Soyele, Anthonio O Adefuye, Sikiru A Jimoh, Azeez Butali
BACKGROUND: The completion of the human genome project and the accomplished milestones in the human proteome project; as well as the progress made so far in computational bioinformatics and "big data" processing have contributed immensely to individualized/personalized medicine in the developed world. MAIN BODY: At the dawn of precision medicine, various omics-based therapies and bioengineering can now be applied accurately for the diagnosis, prognosis, treatment, and risk stratification of cancer in a manner that was hitherto not thought possible...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28493816/sample-types-applied-for-molecular-diagnosis-of-therapeutic-management-of-advanced-non-small-cell-lung-cancer-in-the-precision-medicine
#7
Yanxi Han, Jinming Li
In this era of precision medicine, molecular biology is becoming increasingly significant for the diagnosis and therapeutic management of non-small cell lung cancer. The specimen as the primary element of the whole testing flow is particularly important for maintaining the accuracy of gene alteration testing. Presently, the main sample types applied in routine diagnosis are tissue and cytology biopsies. Liquid biopsies are considered as the most promising alternatives when tissue and cytology samples are not available...
May 11, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28441061/precisely-where-are-we-going-charting-the-new-terrain-of-precision-prevention
#8
Karen M Meagher, Michelle L McGowan, Richard A Settersten, Jennifer R Fishman, Eric T Juengst
In addition to genetic data, precision medicine research gathers information about three factors that modulate gene expression: lifestyles, environments, and communities. The relevant research tools-epidemiology, environmental assessment, and socioeconomic analysis-are those of public health sciences rather than molecular biology. Because these methods are designed to support inferences and interventions addressing population health, the aspirations of this research are expanding from individualized treatment toward precision prevention in public health...
April 24, 2017: Annual Review of Genomics and Human Genetics
https://www.readbyqxmd.com/read/28355428/health-disparities-and-triple-negative-breast-cancer-in-african-american-women-a-review
#9
REVIEW
Lisa A Newman, Linda M Kaljee
Importance: Variation in cancer incidence and outcome has well-documented correlations with racial/ethnic identity. In the United States, the possible genetic and ancestral hereditary explanations for these associations are confounded by socioeconomic, cultural, and lifestyle patterns. Differences in the breast cancer burden of African American compared with European/white American women represent one of the most notable examples of disparities in oncology related to racial/ethnic identity...
May 1, 2017: JAMA Surgery
https://www.readbyqxmd.com/read/28255928/a-systematic-review-of-randomized-controlled-trials-to-assess-outcomes-of-genetic-counseling
#10
REVIEW
Barbara A Athens, Samantha L Caldwell, Kendall L Umstead, Philip D Connors, Ethan Brenna, Barbara B Biesecker
With the advancements in precision medicine and health care reform, it is critical that genetic counseling practice respond to emerging evidence to maximize client benefit. The objective of this review was to synthesize evidence on outcomes from randomized controlled trials (RCTs) of genetic counseling to inform clinical practice. Seven databases were searched in conducting this review. Studies were selected for inclusion if they were: (a) RCTs published from 1990 to 2015, and (b) assessed a direct outcome of genetic counseling...
March 2, 2017: Journal of Genetic Counseling
https://www.readbyqxmd.com/read/28167869/bearings-in-hip-arthroplasty-joint-registries-vs-precision-medicine-review-article
#11
REVIEW
Mark J Pearson, Liam M Grover, Janet M Lord, Simon W Jones, Edward T Davis
BACKGROUND: Precision medicine has been adopted in a range of clinical settings where omics data have led to greater characterisation of disease and stratification of patients into subcategories of phenotypes and pathologies. However, in orthopaedics, precision medicine lags behind other disciplines such as cancer. Joint registries have now amassed a huge body of data pertaining to implant performance which can be broken down into performance statistics for different material types in different cohorts of patients...
February 2017: HSS Journal: the Musculoskeletal Journal of Hospital for Special Surgery
https://www.readbyqxmd.com/read/28127673/opportunities-and-challenges-in-precision-medicine-improving-cancer-prevention-and-treatment-for-asian-americans
#12
Chau Trinh-Shevrin, Rachel Sacks, Jiyoung Ahn, Stella S Yi
Cancer is the leading cause of death among Asian Americans, and cancer cases among Asian Americans, Pacific Islanders, and Native Americans are expected to rise by 132% by 2050. Yet, little is known about biologic and environmental factors that contribute to these higher rates of disease in this population. Precision medicine has the potential to contribute to a more comprehensive understanding of morbidity and mortality trends among Asian American subgroups and to reduce cancer-related health disparities by recognizing patients as individuals with unique genetic, environmental, and lifestyle characteristics; identifying ways in which these differences impact cancer expression; and developing tailored disease prevention and clinical treatment strategies to address them...
January 26, 2017: Journal of Racial and Ethnic Health Disparities
https://www.readbyqxmd.com/read/28074382/engaging-hmong-adults-in-genomic%C3%A2-and%C3%A2-pharmacogenomic-research-toward-reducing-health-disparities-in-genomic-knowledge-using-a-community-based-participatory-research-approach
#13
Kathleen A Culhane-Pera, Robert J Straka, MaiKia Moua, Youssef Roman, Pachia Vue, Kang Xiaaj, May Xia Lo, Mai Lor
Advancing precision medicine relies in part on examining populations that may exhibit unique genetic variants that impact clinical outcomes. Failure to include diverse populations in genomic-based research represents a health disparity. We implemented a community-based participatory research (CBPR) process with the Hmong community in Minnesota, who were refugees from Laos, in order to assess the feasibility of conducting genomic and pharmacogenomic-based research for genetic variants that are relevant to the Hmong community...
April 2017: Journal of Community Genetics
https://www.readbyqxmd.com/read/28069798/integrative-comparison-of-mrna-expression-patterns-in-breast-cancers-from-caucasian-and-asian-americans-with-implications-for-precision-medicine
#14
COMPARATIVE STUDY
Yanxia Shi, Albert Steppi, Ye Cao, Jianan Wang, Max M He, Liren Li, Jinfeng Zhang
Asian Americans (AS) have significantly lower incidence and mortality rates of breast cancer than Caucasian Americans (CA). Although this racial disparity has been documented, the underlying pathogenetic factors explaining it are obscure. We addressed this issue by an integrative genomics approach to compare mRNA expression between AS and CA cases of breast cancer. RNA-seq data from the Cancer Genome Atlas showed that mRNA expression revealed significant differences at gene and pathway levels. Increased susceptibility and severity in CA patients were likely the result of synergistic environmental and genetic risk factors, with arachidonic acid metabolism and PPAR signaling pathways implicated in linking environmental and genetic factors...
January 15, 2017: Cancer Research
https://www.readbyqxmd.com/read/28007335/precision-medicine-in-rare-disease-mechanisms-of-disparate-effects-of-n-carbamyl-l-glutamate-on-mutant-cps1-enzymes
#15
Dashuang Shi, Gengxiang Zhao, Nicholas Ah Mew, Mendel Tuchman
This study documents the disparate therapeutic effect of N-carbamyl-l-glutamate (NCG) in the activation of two different disease-causing mutants of carbamyl phosphate synthetase 1 (CPS1). We investigated the effects of NCG on purified recombinant wild-type (WT) mouse CPS1 and its human corresponding E1034G (increased ureagenesis on NCG) and M792I (decreased ureagenesis on NCG) mutants. NCG activates WT CPS1 sub-optimally compared to NAG. Similar to NAG, NCG, in combination with MgATP, stabilizes the enzyme, but competes with NAG binding to the enzyme...
March 2017: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/27993174/reconciling-evidence-based-medicine-and-precision-medicine-in-the-era-of-big-data-challenges-and-opportunities
#16
REVIEW
Jacques S Beckmann, Daniel Lew
This era of groundbreaking scientific developments in high-resolution, high-throughput technologies is allowing the cost-effective collection and analysis of huge, disparate datasets on individual health. Proper data mining and translation of the vast datasets into clinically actionable knowledge will require the application of clinical bioinformatics. These developments have triggered multiple national initiatives in precision medicine-a data-driven approach centering on the individual. However, clinical implementation of precision medicine poses numerous challenges...
December 19, 2016: Genome Medicine
https://www.readbyqxmd.com/read/27929525/the-precision-medicine-initiative-s-all-of-us-research-program-an-agenda-for-research-on-its-ethical-legal-and-social-issues
#17
REVIEW
Pamela L Sankar, Lisa S Parker
The Precision Medicine Initiative (PMI) is an innovative approach to developing a new model of health care that takes into account individual differences in people's genes, environments, and lifestyles. A cornerstone of the initiative is the PMI All of Us Research Program (formerly known as PMI-Cohort Program) which will create a cohort of 1 million volunteers who will contribute their health data and biospecimens to a centralized national database to support precision medicine research. The PMI All of US Research Program is the largest longitudinal study in the history of the United States...
July 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/27814611/targeted-drugs-and-diagnostic-assays-companions-in-the-race-to-combat-ethnic-disparity
#18
Nikita Wright, Padmashree Rida, Uma Krishnamurti, Xiaoxian Li, Ritu Aneja
African Americans (AAs) are more likely than European Americans to develop aggressive breast cancer subtypes, and have higher recurrence and mortality rates; this results in a stark breast-cancer related ethnic disparity in clinical outcomes. In this era of personalized oncology, companion diagnostics (CDx) are transforming the cancer treatment narrative slowly but steadily, by enabling the use of safety and/or efficacy biomarkers to stratify patient populations, and thus ensuring more effective deployment of targeted therapeutics...
January 1, 2017: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/27790362/evaluation-of-sex-and-gender-based-medicine-training-in-post-graduate-medical-education-a-cross-sectional-survey-study
#19
Juliana M Kling, Steven H Rose, Lisa N Kransdorf, Thomas R Viggiano, Virginia M Miller
BACKGROUND: Addressing healthcare disparities is a national priority for initiatives in precision and individualized medicine. An essential component of precision medicine is the understanding that sex and gender influence health and disease. Whether these issues are addressed in post-graduate medical education curricula is unknown. METHODS: A questionnaire was designed and administered to residents across the Mayo Clinic enterprise to assess current knowledge of sex and gender medicine in a large program of post-graduate medical education and to identify barriers and preferred teaching methods for addressing sex and gender issues in health and disease...
2016: Biology of Sex Differences
https://www.readbyqxmd.com/read/27775837/chemotherapy-decisions-and-patient-experience-with-the-recurrence-score-assay-for-early-stage-breast-cancer
#20
Christopher R Friese, Yun Li, Irina Bondarenko, Timothy P Hofer, Kevin C Ward, Ann S Hamilton, Dennis Deapen, Allison W Kurian, Steven J Katz
BACKGROUND: The 21-gene recurrence score (RS) assay stratifies early-stage, estrogen receptor-positive breast cancer by recurrence risk. Few studies have examined the ways in which physicians use the RS to recommend adjuvant systemic chemotherapy or patients' experiences with testing and decision making. METHODS: This study surveyed 3880 women treated for breast cancer in 2013-2014; they were identified from the Los Angeles County and Georgia Surveillance, Epidemiology, and End Results registries (response rate, 71%)...
January 1, 2017: Cancer
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