Question 1

is malaria and sickle cell anemia related?

Accepted Answer

No: Malaria is an infectious disease transmitted by mosquitoes. Sickle cell is a genetic disorder resulting in a disruption in the oxygen carrying capacity of red blood cells. 

Sickle cell is a disorder observed in african americans.

Question 2

how is it that sickle cell anemia formed because of malaria?

Accepted Answer

I think: You are asking what is the relationship between sickle cell anemia and malaria. People with sickle cell trait are somewhat protected against certain infections with malaria. This survival advantage allows for the propagation of the sickle cell gene to the offspring, and if the offspring have a survival advantage over those without the gene, they will have the opportunity to continue propagate.

Question 3

i'm wondering why are carriers for sickle cell anemia resistant to malaria?

Accepted Answer

Sickle and malaria: Patients with sickle cell disease are protected against  severe and complicated malaria infection- by 2 mechanism: -1.  Cells infected with malaria parasites had accelerated sickling compared with non-infected cells- and as the result the cell would be destroyed/ promoting removal of infected cells from the circulation
`2.Impaired parasite growth due to reduce o2 content in sickle cell.

Question 4

why are people who are heterozygous for sickle cell anemia more resistant to malaria?

Accepted Answer

Malaria: In a person who has sickle-cell trait – the red blood cells are destroyed prematurely before the Plamodium can reproduce.  Sickle Cell Trait can provide a protective advantage against P. Falciparum. According to one study “Sickle cell trait provides 60% protection against overall mortality. Most of this protection occurs between 2-16 months of life, before the onset of clinical immunity in areas &gt;

Question 5

why is it that carriers of sickle cell anemia are immune to malaria?

Accepted Answer

Malaria infects RBCs: Malaria infects red blood cells.  Persons with sickle cell trait will often be "immune" because the malaria infection is not allowed to propagate through the rbcs because the sickle trait causes them to die a little faster when infected.  Persons with sickle cell disease get very sick with malaria, because of sickle cell related complications.  Persons with normal hemoglobin gets sick from malaria.

Question 6

can you please tell me why it'sthat only carriers of sickle cell anemia are immune to malaria?

Accepted Answer

Both carriers and : People with the disease are protected (not immune). People with trait historically were more likely to survive into adulthood to pass along the sickle cell gene. People with ss hemglobin, until recently, were not likely to survive into adulthood to have children.

Question 7

is sickle-cell anemia and malaria a virus or a bacteria spread disease?

Accepted Answer

See below: Sickle cell anemia is caused by a mutation in the beta-hemoglobin gene. The disease is inherited. Malaria is a disease caused by a parasite that infects red blood cells (rbcs), transmitted by the bite of infected mosquitoes. Sickle cell anemia is somewhat protective against malaria, since sickle cell disease shortens the lifespan of an rbc and interrupts the lifecycle of the malaria parasite.

Question 8

is there a cure for sickle cell anemia?

Accepted Answer

So far only one: At present the only cure for sickle cell disease is a bone marrow transplant. This is being done with greater frequency, and many pediatric transplant centers are participating in a trial with this. The biggest limitation to this is the availability of suitable bone marrow donors. Brothers or sisters are best, but they must be a match and have no more than sickle trait.

Question 9

do i need a operation if i have sickle cell anemia?

Accepted Answer

Surgery: For sickle cell anemia, you don't need surgery unless a complication of sickle cell affecting your gall bladder or some kind of osteomyelitis requiring surgery.

Question 10

is sickle-cell anemia a recessive, sex-linked trait?

Accepted Answer

Autosomal recessive: It is recessive, meaning a person has to inherit a gene for ss from each parent to be affected, but it is not sex linked.

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Doctor answers about:

Malaria selects for sickle cell anemia

A member asked:

Is malaria and sickle cell anemia related?

A member asked:

How is it that sickle cell anemia formed because of malaria?

A member asked:

I'm wondering why are carriers for sickle cell anemia resistant to malaria?

A member asked:

Why are people who are heterozygous for sickle cell anemia more resistant to malaria?

A member asked:

Why is it that carriers of sickle cell anemia are immune to malaria?

A member asked:

Can you please tell me why it'sthat only carriers of sickle cell anemia are immune to malaria?

A member asked:

Is sickle-cell anemia and malaria a virus or a bacteria spread disease?

A member asked:

Is there a cure for sickle cell anemia?

A member asked:

Do i need a operation if i have sickle cell anemia?

A member asked:

Is sickle-cell anemia a recessive, sex-linked trait?

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