No association of germline alteration of MSR1 with prostate cancer risk

Liang Wang1, Shannon K McDonnell, Julie M Cunningham

  • 1Division of Experimental Pathology, Department of Laboratory Medicine and Pathology, 920 Hilton Building, Mayo Clinic and Foundation, Rochester, Minnesota, USA.

Nature Genetics
|September 6, 2003
PubMed

Insights

The macrophage scavenger receptor 1 (MSR1) gene was investigated for its role in prostate cancer risk. Genetic screening and association tests found no evidence that MSR1 mutations contribute to hereditary or sporadic prostate cancer.

Area of Science:

  • Genetics
  • Oncology
  • Molecular Biology

Background:

  • The macrophage scavenger receptor 1 gene (MSR1) has been proposed as a potential susceptibility gene for hereditary prostate cancer and a risk factor for sporadic forms.
  • Previous studies suggested a possible link between MSR1 and prostate cancer development, necessitating further investigation.

Purpose of the Study:

  • To rigorously evaluate the role of the MSR1 gene in the etiology of prostate cancer.
  • To screen for germline mutations in MSR1 within families affected by prostate cancer.
  • To assess the association of MSR1 gene variants with both familial and sporadic prostate cancer.

Main Methods:

  • Germline DNA was screened for mutations in the MSR1 gene in individuals with a history of familial prostate cancer.
  • Gene variants within MSR1 were tested for statistical association with prostate cancer risk in both familial and sporadic cohorts.
  • Comprehensive genetic analysis was employed to examine the MSR1 gene's contribution.

Main Results:

  • Screening of the MSR1 gene did not reveal significant germline mutations in individuals with familial prostate cancer.
  • Association analyses of MSR1 gene variants did not demonstrate a statistically significant link to increased risk for either familial or sporadic prostate cancer.
  • The findings indicate a lack of correlation between MSR1 and prostate cancer susceptibility.

Conclusions:

  • The study's results do not support the hypothesis that MSR1 is a significant risk factor or susceptibility gene for prostate cancer.
  • Further research may be needed to explore other genetic factors influencing prostate cancer development.
  • The MSR1 gene's role in prostate cancer appears to be minimal based on current evidence.

Related Concept Videos

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...
Mismatch Repair01:48

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 RepairThe human genome has more than 3 billion base pairs of DNA per cell. Prior to cell division, that vast amount of genetic...
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...
Genome-wide Association Studies-GWAS01:11

Genome-wide Association Studies-GWAS

Genome-wide association studies or GWAS are used to identify whether common SNPs are associated with certain diseases. Suppose specific SNPs are more frequently observed in individuals with a particular disease than those without the disease. In that case, those SNPs are said to be associated with the disease. Chi-square analysis is performed to check the probability of the allele likely to be associated with the disease.
GWAS does not require the identification of the target gene involved in...
The Retinoblastoma Gene01:20

The Retinoblastoma Gene

Tumor suppressor genes are normal genes that can slow down cell division, repair DNA mistakes, or program the cells for apoptosis in case of irreparable damage. Hence, they play an essential role in preventing the proliferation of damaged cells.
The first-ever tumor suppressor gene called Rb was identified in retinoblastoma - a rare eye tumor in children. In inherited forms of the disease, a child inherits one defective copy of the Rb gene, which predisposes them to retinoblastoma. However,...
Abnormal Proliferation02:23

Abnormal Proliferation

Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. Abnormal cell proliferation is a condition in which the cell's growth exceeds and is uncoordinated with normal cells. In such situations, cell division persists in the same excessive manner even after cessation of the stimuli, leading to persistent tumors. The tumor arises from the damaged cells that replicate to pass the damage to the daughter...