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The G-quadruplex decoy strategy is another promising approach for targeting cancer cells by exploiting the unique structural features of the G-quadruplex. The strategy involves designing synthetic oligonucleotides that mimic the G-quadruplex structure and compete with the endogenous G-quadruplexes for binding to transcription factors.
The objective of cancer screening is to detect cancer before symptoms appear, involving various methods such as blood tests, urine tests, DNA tests, and medical imaging. [ 1 ] [ 2 ] The purpose of screening is early cancer detection, to make the cancer easier to treat and extending life expectancy. [ 3 ]
DNA profiling is also used in DNA paternity testing to determine if someone is the biological parent or grandparent of a child with the probability of parentage is typically 99.99% when the alleged parent is biologically related to the child.
Multi-stranded DNA microarrays (triplex-DNA microarrays and quadruplex-DNA microarrays) Multi-stranded DNA and RNA microarrays can be used to identify novel drugs that bind to these multi-stranded nucleic acid sequences. This approach can be used to discover new drugs and biologicals that have the ability to inhibit gene expression.
DNA Specimen Provenance Assignment (DSPA) also known as DNA Specimen Provenance Assay, is a molecular diagnostic test used to definitively assign biopsy specimen identity and establish specimen purity during the diagnostic testing cycle for cancer and other histopathological conditions.
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 involves the systematic screening of coding genes and flanking splice junctions of all genes in the human genome for acquired mutations in human cancers. To investigate these events, the discovery sample set will include DNA from primary tumor, normal tissue (from the same individuals) and cancer cell lines.
As a nucleic acid structure, i-motif DNA stability is dependent on the nature of the sequence, temperature, and ionic strength. The structural stability of i-motif DNA is mainly reliant on the fact that there is minimal overlap between the six-membered aromatic pyrimidine bases due to the consecutive base pairs' intercalative geometry.