Tagged Questions
1
vote
1answer
34 views
Are there any studies of epigenetic difference between twins during their lifespan?
Are there any studies of epigenetic difference between twins during their lifespan ? I ask because I wonder if there exist phases during lifespan, when environmental factors plays major role ...
2
votes
1answer
58 views
Why do genitals feel frozen when freefalling?
I don't want to add much more about that. Since childhood I noticed a chilling effect, even when doing rollercoaster-type activities.
6
votes
1answer
710 views
Will a bone marrow transplant change one's blood type?
Will a bone marrow transplant change one's blood type?
Or is the donor blood type matched with the person before transplant?
2
votes
1answer
38 views
PGC-1β Sod2 limiters/blockers
I'd like to block a percentage of PGC-1β or Sod2 expression. According to the following paper's figure beta-blockers inhibit some expression of PGC-1α. Are there any medicines/chemicals which safely ...
4
votes
0answers
102 views
How do the pharmacodynamics of the NSAIDs differ and are there “resistant” COX phenotypes?
I know that the non-steroidal anti-inflammatory drugs (e.g., aspirin, ibuprofen, naproxen) affect the enzymes cyclooxygenase (types I and II).
Is there any difference in the degree to which these ...
3
votes
1answer
68 views
Predictable microchimerism
I read in New Scientist recently that microchimerism occurs between previously born siblings and grandparents, not just the mother.
Do we know which parts of the genome are likely to be transferred? ...
4
votes
1answer
95 views
Can humans shorten their sleeping patterns?
Can sleeping patterns be trained, or are they genetic? I read that a human needs to sleep at least 4 hours. Can sleeping time be reduced without having a negative impact?
5
votes
2answers
245 views
How are the gene sequences of individual sperm and egg cells “randomized”?
What I mean by "randomized" is, in the place where an egg cell or sperm cell is made, what is the mechanism by which each one is not made identically? Though I am a layman, I'm pretty sure that if the ...