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Small, but normal, variations in your genes can produce proteins that work differently from those of your friends or relatives. This can affect how you respond or don't respond to different medicines
Cells in different tissues and organisms have different functions and respond differently to their environments because they are expressing different genes. Different cells can have very different physical characteristics.
Once the white blood cells realise that there is a pathogen (unwanted microbe) in the body, it tracks it down and tries to destroy it. They do this by fully engulfing the microbe or sending antibodies to stick to the microbe therefore making it harmless. The white blood cell then remembers this pathogen so that it is prepared if it comes again.
Respond to the situation
Different cels respond to stimuli in different ways.Forexample,HL-60 cells differentiate to monocytes/macrophages when they exposed to vitamine D3 but they differentiate into granulocytes when they exposed to retinoc acid.
differently
identically
A dead or very weak form of the disease.
one way the inflammatory response will respond if the pathogen does enter
Discrimination
Ideally a person would never contract a disease that he/she has been vaccinated against. The foundation of vaccination is the idea that you expose a person's immune system to the pathogen that causes a disease so that the immune system will recognize it and kill it off quickly if the person is ever exposed again. In reality, some vaccinations just don't work - there are always a few people that don't respond to the vaccine, or that respond weakly and don't have enough memory cells to fight off the pathogen.
Not only did different people respond in different ways, but people were treated differently also.
The inactive form of the pathogen still has the antigens (protein markers) specific to that pathogen on their surface. Antibodies locate the pathogen and create the correct form of antibody to combat it. As it is inactive the person does not suffer the effects of this pathogen, but when an active form is encountered later the immune system is quicker to respond due to the fact that it now recognises those antigens.
They would do it, but differently (in their own way)
They would do it, but differently (in their own way)
the inactive form still has the antigens (protein markers) specific to that pathogen on the surface. the immune system develops specific responses to this pathogen when it is encountered after a vaccination. as it is inactive the person does not suffer the effects of this pathogen, but when an active form is encountered later the immune system is quicker to respond due to the fact that it now recognises those antigens.
The purpose of a vaccine is to expose an otherwise naive immune system to the pathogen, so it can recognise and quickly respond to that pathogen if it encounters it again. If you've already had the disease, your body will already recognise it if it sees it again.