It is possible, for example, to examine the effects of a recombinant bacterial toxin on infection, but it is more difficult to examine the role of specific virulence factors in neutralizing specific elements of the immune system, such
as phagocytes.
Some evidence suggests that neutrophils continue to act
as phagocytes in the infant's gut.
And this seems to be true at all times of the constituents of the blood, such
as the phagocytes.
Not exact matches
The Omega 3 fatty acids found in oily fish — such
as salmon, trout, halibut, and tuna — help boost our immune systems, by increasing the activity of
phagocytes, which are white blood cells that combat harmful bacteria.
While the complement system slimes the area, an assemblage known in immunology textbooks
as professional
phagocytes — literally «expert eating cells» — goes to work.
«In the initial phase, epithelial cells act
as non-professional
phagocytes to clear up milk protein and milk fat globules.
In response to fatty deposits on the walls of the arteries, a type of
phagocyte called a macrophage identifies the growing lesions
as trouble spots and infiltrates them, swelling and destabilizing the deposits.
Richard Karp, an immunologist at the University of Cincinnati in Ohio, agrees that this is «an intriguing piece of work,» but cautions that there are «lots of loose ends to pull together,» such
as how
phagocytes can develop specificity against particular microbes.
In zero gravity, for instance, various immune system functions are impaired:
Phagocytes known
as macrophages, which kill and destroy invading bacteria, are no longer capable of protecting the person optimally from infections, which is why astronauts often suffer them.