History
The first report of immunizing an animal of one species (Guinea pig) against the immune cells of another species (mouse lymphocytes) was by Metchnikoff in 1899. He reported injecting cells recovered from mouse lymph nodes into Guinea pigs and waiting for the immunization to result in the accumulation of anti-mouse antibodies in the Guinea pig blood. When he subsequently collected serum from these Guinea pigs and injected it into normal mice he observed a marked depletion in the number of circulating mouse lymphocytes.
Read more about this topic: Anti-thymocyte Globulin
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“Look through the whole history of countries professing the Romish religion, and you will uniformly find the leaven of this besetting and accursed principle of action—that the end will sanction any means.”
—Samuel Taylor Coleridge (1772–1834)
“What has history to do with me? Mine is the first and only world! I want to report how I find the world. What others have told me about the world is a very small and incidental part of my experience. I have to judge the world, to measure things.”
—Ludwig Wittgenstein (1889–1951)
“The foregoing generations beheld God and nature face to face; we, through their eyes. Why should not we also enjoy an original relation to the universe? Why should not we have a poetry and philosophy of insight and not of tradition, and a religion by revelation to us, and not the history of theirs?”
—Ralph Waldo Emerson (1803–1882)