Researchers at the university of Nevada, Reno, has found that red meat, some fishes and dairy product contains CMAH genes that synthesizes the sugar called Neu5Gc, which is absent in man.
According to the findings, the body develops immune reaction against the foreign sugar whenever human eats an animal having the gene, the sugar is said to have the potential to causes arthritis, inflammation and some kind of cancers.
From the investigation, scientist have marked about 322 animals having the active CMAH gene.
The research showed that birds does not have the active gene and that poultry sources like chicken, turkey and geese are not implicated in the the harmful side effect of this sugar, and that fish eggs have the highest concentration this sugar synthesizing gene.
It named reptile as the only class of animal that lack CMAH, with the exception of a species of Lizard, and explained that the presence of the gene in this specie of lizard could be due to a loss of it in the ancestor of bird and reptile.
The study admonished that animals which have the CMAH gene should not be eaten or should be consumed only in moderation proportion to avoid inflammation, arthritis and cancer. it also said that animals which lack the gene contains pathogen that binds to Neu5Gc and can cause dangerous implications in human.
The researchers further discovered that apart from dietary issues, CMAH, is also important in organ transplant as it determines weather an animal's organ will be accepted by human, it said that if the human recipient lack the gene, it will cause immune reaction that will lead to rejection of the foreign part by the human body, adding that inactivation of CMAH gene in human during evolution might have freed him from a number of pathogen, READ MORE.
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