B-cells are a key component of the immune system, producing disease-fighting antibodies.

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In Type 1 diabetes, an inherited form of the disease, the immune system destroys insulin-producing cells.

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Some animal data may also indicate it reverses the disease's cause: damage to the insulin-producing cells in the pancreas.

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Diversa has attracted notice because of its unique method of producing human antibodies, which are disease-fighting proteins produced by the immune system.

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It's hoped that replacing lost dopamine-producing neurons might help those with Parkinson's disease.

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