What Does "Expressed Sequence Tag Clones" & "Sporadic" Mean?

  • Thread starter Thread starter sobored
  • Start date Start date
  • Tags Tags
    Mean
Click For Summary
SUMMARY

"Expressed Sequence Tag Clones" (ESTs) refer to short sequences of DNA derived from complementary DNA (cDNA), which is synthesized from RNA isolated from cells, such as tumor cells. In the context of tumors, "sporadic" indicates that these tumors are non-hereditary and occur infrequently, without a familial link. The discussion emphasizes the importance of EST libraries in comparing gene expression across different tumors, particularly in understanding sporadic cases.

PREREQUISITES
  • Understanding of cDNA synthesis
  • Knowledge of RNA isolation techniques
  • Familiarity with tumor biology
  • Basic concepts of genetic expression analysis
NEXT STEPS
  • Research methods for isolating RNA from tumor samples
  • Learn about constructing and analyzing expressed sequence tag libraries
  • Explore the implications of sporadic tumors in cancer research
  • Study the differences between hereditary and non-hereditary tumors
USEFUL FOR

Researchers in molecular biology, oncologists, and geneticists interested in tumor genetics and expression profiling.

sobored
Messages
52
Reaction score
0
What does "expressed sequence tag clones" mean

and what does it mean with "sporadic"? For example when it says; "A few sporadic tumours".


Thanks.
 
Biology news on Phys.org
A sporadic tumor is non-heretitary, meaning that the it is not familial.

An expressed sequence tags (ESTs) are derived from cDNA (which again comes from RNA expressed in the cell). In this case you isolate RNA from a tumor, synthesize cDNA from that and make an EST library. You can then compare the ESTs of different tumors.
 
Can you post some of the context of the statement about sporadic tumors? There is the non-hereditary context Monique mentioned, but it could also be used to indicate infrequent or appearing without any pattern.
 

Similar threads

  • · Replies 1 ·
Replies
1
Views
1K
Replies
6
Views
4K
  • · Replies 5 ·
Replies
5
Views
3K
  • · Replies 1 ·
Replies
1
Views
4K
  • · Replies 11 ·
Replies
11
Views
3K
  • · Replies 10 ·
Replies
10
Views
2K
  • · Replies 6 ·
Replies
6
Views
2K
  • · Replies 22 ·
Replies
22
Views
3K
Replies
7
Views
1K
  • · Replies 4 ·
Replies
4
Views
3K