Hemoglobin S Trait: Healthy Carrier?

  • Thread starter Thread starter Soaring Crane
  • Start date Start date
Click For Summary

Discussion Overview

The discussion revolves around the health implications of being a carrier of sickle cell disease, specifically individuals with hemoglobin AS. It explores the relationship between this trait and overall health, particularly in the context of environmental factors such as malaria.

Discussion Character

  • Exploratory, Conceptual clarification, Debate/contested

Main Points Raised

  • Some participants propose that carriers of hemoglobin AS are generally considered healthy or "healthy enough."
  • Others suggest that the health of carriers may be context-dependent, particularly in relation to environmental factors like malaria.
  • One participant notes that being a carrier may provide protection against malaria, which could explain the prevalence of the S allele in certain populations.
  • There is a suggestion that the definition of "healthy" can vary depending on the environment and genetic background.
  • Some participants express uncertainty about potential disadvantages for carriers outside of malarial environments.

Areas of Agreement / Disagreement

Participants generally agree that carriers of hemoglobin AS are relatively healthy, but there is no consensus on the extent of this health or the implications of environmental factors. Multiple competing views remain regarding the definition of health in different contexts.

Contextual Notes

Limitations include the lack of clarity on what constitutes "health" in various environments and the potential for undisclosed disadvantages for carriers in non-malarial settings.

Soaring Crane
Messages
461
Reaction score
0
If a person is a carrier for sickle cell disease or has hemoglobin AS, then does this mean that the carrier is not affected by hemoglobinopathy? (He/she is normal/healthy?)

Thank you.
 
Biology news on Phys.org
Soaring Crane said:
If a person is a carrier for sickle cell disease or has hemoglobin AS, then does this mean that the carrier is not affected by hemoglobinopathy? (He/she is normal/healthy?)

Thank you.

Yes, or healthy enough. And surely you have or will come across the story of why they are HEALTHIER than people with only A in certain environments, explaining why S became as common as it did?
 
Thanks, epenguin. Yes, they are protected from malaria?
 
Soaring Crane said:
Thanks, epenguin. Yes, they are protected from malaria?

That's right. Suggesting that 'healthy' is often only relative to an environment. (And sometimes to other genetic background).
I can't say whether they may not have some slight disadvantage away from the malarial environments.
 

Similar threads

Medical CRISPR treatment has been greenlit in UK in global first (for sickle cell disease and beta thalassemia)
  • · Replies 1 ·
Replies
1
Views
3K
Does OK hemoglobin make a low level of iron in blood OK?
  • · Replies 10 ·
Replies
10
Views
3K
Medical Successful CRISPR treatment of a Sickle Cell patient
  • · Replies 1 ·
Replies
1
Views
2K
Medical Necrosis vs Apoptosis: Which Cell Death Mechanism Matters More in Disease?
  • · Replies 5 ·
Replies
5
Views
2K
Omnigenetic model for complex traits
  • · Replies 2 ·
Replies
2
Views
4K
What is the role of the promoter in cell ablation studies?
  • · Replies 6 ·
Replies
6
Views
3K
What is the induced magnetic force on this closed current loop?
  • · Replies 12 ·
Replies
12
Views
2K
Germ Line Gene Therapy: Ethics and Regulations?
  • · Replies 2 ·
Replies
2
Views
3K
Messenger RNA (mRNA) - not just for Coronavirus vaccines
  • · Replies 13 ·
Replies
13
Views
3K
Medical How are normal values of blood pressure and glucose determined?
  • · Replies 7 ·
Replies
7
Views
2K