American geneticists discovered a parasitic worm, which hit in the human body is a carrier of HIV has led to the emergence of cancerous tumors in the lungs and lymph nodes. A victim of dwarf tapeworms was the Colombian, who about two years ago went to the doctors with complaints of poor health, writes "RIA Novosti".

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American geneticists discovered a parasitic worm, which hit in the human body is a carrier of HIV has led to the emergence of cancerous tumors in the lungs and lymph nodes. A victim of dwarf tapeworms was the Colombian, who about two years ago went to the doctors with complaints of poor health, writes "RIA Novosti".

the Tests showed that the patient was HIV-positive and that his bowel was inhabited by parasitic worms, and his lungs and the lymphatic system — some kind of aggressive form of cancer. In may 2013 he died, after which the tissue samples 41-year-old man and his tumors were sent to the Center for control and prevention (CDC).

Scientists were surprised that the cells in the "tumor" turned out to be unusually small, much smaller than normal cells of the body. That it was some form of cancer, initially there was no doubt — cell tumors, as expected, scientists, invading neighboring tissues, multiplied and grew.

Genetics has conducted several simple tests for the presence of key human proteins, however, it appeared that these tumors consist of non-human cells. Further genetic analysis showed that they represent a cell culture worm living in the intestines of the deceased.

the Authors believe that the cells of the worm appeared due to the weakened immune system of the patient and a set of unusual mutations in the genome of the worm. Eggs and larvae of tapeworms, explained the scientists, leave the body together with the waste of life, but long-term HIV infection can weaken the immune system of their vehicle. For this reason, the offspring of dwarf tapeworms could spread into the lymphatic system and spread throughout the body.

the Larvae, according to geneticists, contain a large number of stem cells, which multiply inside the human body for a number of reasons. The opening of this unusual parasitic "cancer", according to scientists, creates a new threat for tropical Africa and in many other troubled regions of the world.

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