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Gene expression profiling is a technique used in molecular biology to query the expression of thousands of genes simultaneously. In the context of cancer, gene expression profiling has been used to more accurately classify tumors. The information derived from gene expression profiling often helps in predicting the patient's clinical outcome.
DNA profiling is a forensic technique in criminal investigations, comparing criminal suspects' profiles to DNA evidence so as to assess the likelihood of their involvement in the crime. [ 1 ] [ 2 ] It is also used in paternity testing , [ 3 ] to establish immigration eligibility, [ 4 ] and in genealogical and medical research.
In the field of molecular biology, gene expression profiling is the measurement of the activity (the expression) of thousands of genes at once, to create a global picture of cellular function. These profiles can, for example, distinguish between cells that are actively dividing, or show how the cells react to a particular treatment.
DNA profiling is the determination of a DNA profile for legal and investigative purposes. DNA analysis methods have changed countless times over the years as technology changes and allows for more information to be determined with less starting material.
Oncogenomics is a sub-field of genomics that characterizes cancer-associated genes.It focuses on genomic, epigenomic and transcript alterations in cancer. Cancer is a genetic disease caused by accumulation of DNA mutations and epigenetic alterations leading to unrestrained cell proliferation and neoplasm formation.
The project aims to prevent genetic diseases through the use of genetic sciences and innovative modern techniques related to profiling and genetic sequencing, in order to identify the genetic footprint and prevent the most prevalent diseases in the country, such as obesity, diabetes, hypertension, cancer, and asthma.
Cancer genome sequencing is not limited to WG sequencing and can also include exome, transcriptome, micronome sequencing, and end-sequence profiling. These methods can be used to quantify gene expression , miRNA expression, and identify alternative splicing events in addition to sequence data.
Genetic analysis may be done to identify genetic/inherited disorders and also to make a differential diagnosis in certain somatic diseases such as cancer. Genetic analyses of cancer include detection of mutations, fusion genes, and DNA copy number changes. FDA microbiologist prepares DNA samples for gel electrophoresis analysis