Posts Tagged ‘islet cell’

AJC Features Emory Transplant Center Patients Freed of Type 1 Diabetes

islet transplant patientThe Emory Transplant Center is one of just a handful of institutions around the world performing islet transplants as a type 1 diabetes treatment. Emory is currently the only islet cell transplant program in Georgia, with 19 patients receiving islet transplants to date.

Islet cell transplant is still in the research phase awaiting Food and Drug Administration (FDA) approval so the surgery will no longer be experimental. Read a story in the Atlanta Journal Constitution featuring two Emory patients who have been diabetes free for a decade now thanks to islet transplant at Emory.

Learn About Islet Transplants

What Are Islets?
Islets are insulin-producing cell clusters found in the pancreas, which is a six- to ten-inch organ that lies behind the stomach. Each islet cluster is about the size of a grain of salt and contains a few thousand cells. A healthy pancreas has approximately a million islet clusters.
Glucose is the fuel that provides energy to cells. Insulin allows glucose from the bloodstream to enter cells. Without insulin, cells are deprived of fuel, and they begin to starve. As the cells starve, the level of glucose in the bloodstream rises to dangerous levels.
In type 1 diabetes, islets in the pancreas are destroyed by the body’s immune system. Without islets, the body cannot produce insulin. People with type 1 diabetes require several injections of insulin each day. They must follow a strict diet and monitor their blood glucose carefully. Sometimes, even the most diligent patients cannot completely control their blood sugar levels. Diabetes that is very difficult to control is called brittle diabetes.

Why Islet Transplantation?
Islet transplantation can restore insulin production by replacing the islets that have been destroyed. When insulin production is restored, blood glucose levels stabilize, and the health risks associated with low and high blood sugars are greatly reduced.

What Is an Islet Transplant?
The islet cell transplant process begins when islets for transplantation from a donated pancreas become available. During the islet transplantation procedure, the islets are infused into a blood vessel that leads to the liver. The islets from the pancreas are also separated from other cells through a highly complex process called “islet isolation.” The islets are then infused and lodged into the liver of the recipient, where they are able to detect the level of glucose in the blood and produce the correct amount of insulin. Recent advances in islet isolation have resulted in sustained insulin independence in people with type 1 diabetes, which may make islet transplantation more common in the foreseeable future.

10 Years and Still Diabetes Free – Islet Cell Transplant Patients Celebrate Anniversary of Life-Changing Procedure

islet-trans-patients“I feel free. I feel normal.” That’s what Emory Transplant Center patient Laura Cochran says of her life since having a pancreatic islet cell transplant to treat her brittle Type 1 diabetes.

Last week, Cochran, along with the Emory Transplant Center team and fellow patient Rob Allen, gathered to celebrate the 10-year anniversary of their participation in a clinical trial for their severe Type 1 diabetes. Type 1 diabetes is an autoimmune disease in which the pancreas ceases to produce insulin, a hormone that allows people to get energy from food. Type 1 diabetics must take insulin every day to live.

Both Cochran and Allen were diagnosed with Type 1 diabetes as young adults. Allen’s diabetes was controlled with insulin injections for about 10 years until his episodes of low blood sugar became more frequent and more severe. As for Cochran, as her diabetes progressed, she developed hypoglycemia unawareness, where her blood sugar would drop so low so quickly, that she didn’t recognize how low her sugars were. She often became dazed during these episodes and had to be watched at all times. While both benefitted some from insulin pumps, they still needed more relief. Fortunately, they were candidates for a clinical trial at Emory where donor pancreatic islet cells were transplanted to restore insulin production in people with Type 1 diabetes.

Cochran and Allen each received two islet cell transplants from two different organ donors, several months apart. After the first transplant, they both still needed small amounts of insulin injections. After the second transplant, neither Cochran nor Allen needed insulin injections. Both have been insulin free since 2004.

“We transplanted just two teaspoons of islet cells into these patients 10 years ago, and they no longer need insulin injections,” says Christian Larsen, MD, DPhil, professor of surgery in the Division of Transplantation at Emory, and dean of Emory University School of Medicine. “This has been a miraculous transformation.”

Researchers are awaiting FDA approval of islet cell transplants so that the surgery will no longer be experimental. Once approval is obtained, surgeons can perform these transplants on patients who meet the criteria.

“The best part about the islet cell transplants is not having to worry daily about my blood glucose levels getting out of control,” says Allen. “It has been an amazing thing.”

Related Resources

Emory Islet Transplant Program
Islet Transplant For Type 1 Diabetes? Julie Allred’s Story