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Related Concept Videos

Mismatch Repair01:36

Mismatch Repair

Overview
Mismatch Repair01:20

Mismatch Repair

Organisms are capable of detecting and fixing nucleotide mismatches that occur during DNA replication. This sophisticated process requires identifying the new strand and replacing the erroneous bases with correct nucleotides. Mismatch repair is coordinated by many proteins in both prokaryotes and eukaryotes.
The Mutator Protein Family Plays a Key Role in DNA Mismatch Repair
The human genome has more than 3 billion base pairs of DNA per cell. Prior to cell division, that vast amount of genetic...
Mutations01:39

Mutations

Overview
Mutations01:35

Mutations

Mutations are changes in the sequence of DNA. These changes can occur spontaneously or they can be induced by exposure to environmental factors. Mutations can be characterized in a number of different ways: whether and how they alter the amino acid sequence of the protein, whether they occur over a small or large area of DNA, and whether they occur in somatic cells or germline cells.
Chromosomal Alterations Are Large-Scale Mutations
While point mutations are changes in a single nucleotide in...
The Ras Gene02:38

The Ras Gene

The Ras-gene-encoded proteins are regulators of signaling pathways controlling cell proliferation, differentiation, or cell survival. The Ras-gene family in humans constitutes three primary members—the HRas, NRas, and KRas. These genes code for four functionally distinct yet closely related proteins—the HRas, NRas, KRas4A, and KRas4B. The involvement of mutant Ras genes in human cancer was first discovered in 1982 and is among the most common causes of human tumorigenesis.
Ras is a superfamily...
Exon Recombination02:32

Exon Recombination

The evolution of new genes is critical for speciation. Exon recombination, also known as exon shuffling or domain shuffling, is an important means of new gene formation. It is observed across vertebrates, invertebrates, and in some plants such as potatoes and sunflowers. During exon recombination, exons from the same or different genes recombine and produce new exon-intron combinations, which might evolve into new genes. 
Exon shuffling follows “splice frame rules.” Each exon has three reading...

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Related Experiment Video

Updated: May 20, 2026

Sequencing Small Non-coding RNA from Formalin-fixed Tissues and Serum-derived Exosomes from Castration-resistant Prostate Cancer Patients
12:13

Sequencing Small Non-coding RNA from Formalin-fixed Tissues and Serum-derived Exosomes from Castration-resistant Prostate Cancer Patients

Published on: November 19, 2019

Mapping mutations in prostate cancer exomes.

Benjamin Sunkel1, Qianben Wang

  • 1Ohio State Biochemistry Graduate Program, The Ohio State University College of Medicine, Columbus, OH 43210, USA.

Asian Journal of Andrology
|July 31, 2012
PubMed
Summary
This summary is machine-generated.

Identifying driver mutations in prostate cancer enhances understanding and treatment. Recent studies analyzed primary and lethal castration-resistant prostate cancer (CRPC) to reveal novel mutations defining subtypes.

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Sequencing Small Non-coding RNA from Formalin-fixed Tissues and Serum-derived Exosomes from Castration-resistant Prostate Cancer Patients
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Area of Science:

  • Oncology
  • Genetics
  • Genomics

Background:

  • Prostate cancer (PC) is a leading cause of cancer-related death.
  • Identifying driver mutations is crucial for understanding PC pathogenesis and developing targeted therapies.
  • Previous studies have focused on specific PC subtypes or smaller cohorts.

Discussion:

  • Exome sequencing revealed novel genetic mutations in prostate cancer.
  • These mutations represent uncharacterized drivers of the disease.
  • Combinations of mutations may define distinct prostate cancer subtypes.

Key Insights:

  • Identification of novel driver mutations in prostate cancer.
  • Discovery of mutation combinations that may define subtypes.
  • Enhanced understanding of prostate cancer's molecular landscape.

Outlook:

  • Potential for new targeted therapies based on identified mutations.
  • Improved stratification of patients for personalized treatment approaches.
  • Further research into the functional roles of uncharacterized drivers.