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Interdisciplinary education to integrate pathology and epidemiology: towards molecular and population-level health science.

ABSTRACT: In recent decades, epidemiology, public health, and medical sciences have been increasingly compartmentalized into narrower disciplines. The authors recognize the value of integration of divergent scientific fields in order to create new methods, concepts, paradigms, and knowledge. Herein they describe the recent emergence of molecular pathological epidemiology (MPE), which represents an integration of population and molecular biologic science to gain insights into the etiologies, pathogenesis, evolution, and outcomes of complex multifactorial diseases. Most human diseases, including common cancers (such as breast, lung, prostate, and colorectal cancers, leukemia, and lymphoma) and other chronic diseases (such as diabetes mellitus, cardiovascular diseases, hypertension, autoimmune diseases, psychiatric diseases, and some infectious diseases), are caused by alterations in the genome, epigenome, transcriptome, proteome, metabolome, microbiome, and interactome of all of the above components. In this era of personalized medicine and personalized prevention, we need integrated science (such as MPE) which can decipher diseases at the molecular, genetic, cellular, and population levels simultaneously. The authors believe that convergence and integration of multiple disciplines should be commonplace in research and education. We need to be open-minded and flexible in designing integrated education curricula and training programs for future students, clinicians, practitioners, and investigators.

SUBMITTER: Ogino S

PROVIDER: S-EPMC3571252 | biostudies-literature | 2012 Oct

REPOSITORIES: biostudies-literature

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Interdisciplinary education to integrate pathology and epidemiology: towards molecular and population-level health science.

Ogino Shuji S King Emily E EE Beck Andrew H AH Sherman Mark E ME Milner Danny A DA Giovannucci Edward E

American journal of epidemiology 20120830 8

In recent decades, epidemiology, public health, and medical sciences have been increasingly compartmentalized into narrower disciplines. The authors recognize the value of integration of divergent scientific fields in order to create new methods, concepts, paradigms, and knowledge. Herein they describe the recent emergence of molecular pathological epidemiology (MPE), which represents an integration of population and molecular biologic science to gain insights into the etiologies, pathogenesis, ...[more]

PMID: 22935517

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Project description:Colorectal cancer is a complex disease resulting from somatic genetic and epigenetic alterations, including locus-specific CpG island methylation and global DNA or LINE-1 hypomethylation. Global molecular characteristics such as microsatellite instability (MSI), CpG island methylator phenotype (CIMP), global DNA hypomethylation, and chromosomal instability cause alterations of gene function on a genome-wide scale. Activation of oncogenes including KRAS, BRAF and PIK3CA affects intracellular signalling pathways and has been associated with CIMP and MSI. Traditional epidemiology research has investigated various factors in relation to an overall risk of colon and/or rectal cancer. However, colorectal cancers comprise a heterogeneous group of diseases with different sets of genetic and epigenetic alterations. To better understand how a particular exposure influences the carcinogenic and pathologic process, somatic molecular changes and tumour biomarkers have been studied in relation to the exposure of interest. Moreover, an investigation of interactive effects of tumour molecular changes and the exposures of interest on tumour behaviour (prognosis or clinical outcome) can lead to a better understanding of tumour molecular changes, which may be prognostic or predictive tissue biomarkers. These new research efforts represent 'molecular pathologic epidemiology', which is a multidisciplinary field of investigations of the inter-relationship between exogenous and endogenous (eg, genetic) factors, tumoural molecular signatures and tumour progression. Furthermore, integrating genome-wide association studies (GWAS) with molecular pathological investigation is a promising area (GWAS-MPE approach). Examining the relationship between susceptibility alleles identified by GWAS and specific molecular alterations can help elucidate the function of these alleles and provide insights into whether susceptibility alleles are truly causal. Although there are challenges, molecular pathological epidemiology has unique strengths, and can provide insights into the pathogenic process and help optimise personalised prevention and therapy. In this review, we overview this relatively new field of research and discuss measures to overcome challenges and move this field forward.

Project description:BackgroundPathology education provides information on pathology and guides students to become pathologists. Recently, the Ministry of Education of the People's Republic of China required the establishment of the system of 'High-quality Online and Offline Courses', which indicates that online courses will play an important role in higher education. Furthermore, the number of pathologists currently cannot satisfy clinical needs. To solve this health issue and implement the policy from the Ministry of Education, it is necessary to improve the current state of pathology education. First, we need to know students' opinions of the current courses and their professional choices.MethodsOnline questionnaires covering the quality of traditional courses, attitudes towards online courses, and suggestions for optimizing courses were designed and applied. Whether students want to become pathologists and the underlying reasons for this interest are also included in this survey. Participants are medical students from certain colleges in Nanjing. The collected data were assessed by statistical analyses, and p-values less than 0.05 were considered significant.ResultsOf the 342 valid responses, 60.94% of undergraduate students showed their interest in pathology courses, and among them, 48.72% expressed that they may become pathologists. However, the corresponding percentage is only 29.59% in the group without interest. To optimize curricula, the top two suggestions are introducing more clinical cases (undergraduate students, 64.45%; graduate students, 79.09%) and making the classes lively and interesting (undergraduate students, 59.77%; graduate students, 62.79%). Approximately 80.00% of students consider online courses to be good supplementary materials to traditional courses, and approximately half prefer an online-offline mixed learning model. Salary, interest, and employment status are the main factors influencing students' professional choices.ConclusionsStudents are generally satisfied with traditional pathology courses, and online courses are good supplementary materials in their opinions. It has been suggested that clinical cases be introduced in classes. It is more likely that students who have an interest in pathology will become pathologists. The data from this survey also show that the main causes of the shortage of pathologists are a lack of engaging work and an unsatisfactory salary.

Dataset Information

Interdisciplinary education to integrate pathology and epidemiology: towards molecular and population-level health science.

Publications

Interdisciplinary education to integrate pathology and epidemiology: towards molecular and population-level health science.

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