In a major breakthrough, scientists have found a preventative therapy for Type 1 diabetes- by making the body's killer immune cells tolerate the insulin-producing cells they would
Following a recent path-breaking research, scientists have been able to develop a preventative therapy for Type 1 diabetes. The preventive mechanism works by making the body's killer immune cells tolerate insulin-producing cells, which otherwise would be attacked and destroyed by them prior to disease onset.
Type 1 diabetes is a serious autoimmune condition, in which the body attacks its own insulin producing cells and is characterised by a sudden and dramatic onset, usually in youth.In the study, PhD student Eliana MariƱo and Dr Shane Grey, from the Garvan Institute of Medical Research in Sydney, have demonstrated how a particular molecule may be used in future as a preventative therapy.
In earlier studies, researchers demonstrated that groups of B cells migrate to the pancreas and pancreatic lymph nodes, presenting specific insulin antigen to T cells. In other words, B cells go to the disease site and tell T cells to kill the cells that produce insulin.
"Taking that work further, our current study looks at different ways of subduing B cells, and how that affects development of the disease," said Grey.
While working with mice that spontaneously develop Type 1 diabetes, researchers found that by blocking BAFF (a hormone that controls survival of B cells) prior to onset, none of the mice developed diabetes.
"This is a remarkable finding, as other B cell depletion methods tested elsewhere have just delayed or reduced disease incidence," said Eliana.
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And if B cells are removed from the picture for a while, one apparently allows T regulatory cells to function as they should, subduing killer T cells and somehow making them tolerant of the insulin producing cells.
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The findings of the study are published online in the international journal Diabetes.
Source-ANI
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