The immune system attacks the very insulin-producing cells it was designed to protect in type 1 diabetes patients.
Now, a University of Missouri scientist has discovered that this attack causes more damage than scientists realized.
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The revelation is leading to a potential cure that combines adult stem cells with a promising new drug.
Habib Zaghouani, PhD, J. Lavenia Edwards Chair in Pediatrics, leads the research with his team at the MU School of Medicine.
"We discovered that type 1 diabetes destroys not only insulin-producing cells but also blood vessels that support them," Zaghouani said.
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Diet plays a significant role in controlling diabetes. Most cases of diabetes are preventable with healthy lifestyle changes.
"When we realized how important the blood vessels were to insulin production, we developed a cure that combines a drug we created with adult stem cells from bone marrow. The drug stops the immune system attack, and the stem cells generate new blood vessels that help insulin-producing cells to multiply and thrive," he explained.
Often called juvenile diabetes, type 1 diabetes can lead to numerous complications, including cardiovascular disease, kidney damage, nerve damage, osteoporosis and blindness.
The disease attacks the pancreas. The organ, which is about the size of a hand and located in the abdomen, houses cell clusters called islets. Islets contain beta cells that make insulin, which controls blood sugar levels. In people with type 1 diabetes, beta cells no longer make insulin because the body's immune system has attacked and destroyed them.
When the immune system strikes the beta cells, the attack causes collateral damage to capillaries that carry blood to and from the islets. The damage done to the tiny blood vessels led Zaghouani on a new path toward a cure.
In previous studies, Zaghouani and his team developed a drug against type 1 diabetes called Ig-GAD2. They found that treatment with the drug stopped the immune system from attacking beta cells, but too few beta cells survived the attack to reverse the disease. In his latest study, Zaghouani used Ig-GAD2 and then injected adult stem cells from bone marrow into the pancreas in the hope that the stem cells would evolve into beta cells.
"The combination of Ig-GAD2 and bone marrow cells did result in production of new beta cells, but not in the way we expected," Zaghouani said.
"We thought the bone marrow cells would evolve directly into beta cells. Instead, the bone marrow cells led to growth of new blood vessels, and it was the blood vessels that facilitated reproduction of new beta cells. In other words, we discovered that to cure type 1 diabetes, we need to repair the blood vessels that allow the subject's beta cells to grow and distribute insulin throughout the body," he asserted.
Zaghouani is pursuing a patent for his promising treatment and hopes to translate his discovery from use in mice to humans.
The discovery is reported in the current online issue of Diabetes, the American Diabetes Association's flagship research publication.
Source: ANI
"We discovered that type 1 diabetes destroys not only insulin-producing cells but also blood vessels that support them," Zaghouani said.
Diabetes Diet Plan
Diet plays a significant role in controlling diabetes. Most cases of diabetes are preventable with healthy lifestyle changes.
Advertisement
"When we realized how important the blood vessels were to insulin production, we developed a cure that combines a drug we created with adult stem cells from bone marrow. The drug stops the immune system attack, and the stem cells generate new blood vessels that help insulin-producing cells to multiply and thrive," he explained.
Often called juvenile diabetes, type 1 diabetes can lead to numerous complications, including cardiovascular disease, kidney damage, nerve damage, osteoporosis and blindness.
The disease attacks the pancreas. The organ, which is about the size of a hand and located in the abdomen, houses cell clusters called islets. Islets contain beta cells that make insulin, which controls blood sugar levels. In people with type 1 diabetes, beta cells no longer make insulin because the body's immune system has attacked and destroyed them.
When the immune system strikes the beta cells, the attack causes collateral damage to capillaries that carry blood to and from the islets. The damage done to the tiny blood vessels led Zaghouani on a new path toward a cure.
In previous studies, Zaghouani and his team developed a drug against type 1 diabetes called Ig-GAD2. They found that treatment with the drug stopped the immune system from attacking beta cells, but too few beta cells survived the attack to reverse the disease. In his latest study, Zaghouani used Ig-GAD2 and then injected adult stem cells from bone marrow into the pancreas in the hope that the stem cells would evolve into beta cells.
"The combination of Ig-GAD2 and bone marrow cells did result in production of new beta cells, but not in the way we expected," Zaghouani said.
"We thought the bone marrow cells would evolve directly into beta cells. Instead, the bone marrow cells led to growth of new blood vessels, and it was the blood vessels that facilitated reproduction of new beta cells. In other words, we discovered that to cure type 1 diabetes, we need to repair the blood vessels that allow the subject's beta cells to grow and distribute insulin throughout the body," he asserted.
Zaghouani is pursuing a patent for his promising treatment and hopes to translate his discovery from use in mice to humans.
The discovery is reported in the current online issue of Diabetes, the American Diabetes Association's flagship research publication.
Source: ANI
Diabetes and Exercise
Regular exercise especially in type II diabetes not only helps reduce the sugar but also reduces the demand for medication by 20% and helps you stay healthy.
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