Type 1 diabetes cannot be completely cured for several reasons, which are related to its autoimmune nature and the difficulty of restoring lost body functions. The main reasons are as follows:
1. Autoimmune destruction of pancreatic beta cells:
• Type 1 diabetes develops because the immune system mistakenly attacks and destroys the beta cells of the pancreas, which produce insulin, a hormone needed to regulate blood sugar (glucose) levels.
• When most of the beta cells are destroyed, the body loses the ability to produce insulin. Since this is an autoimmune process, controlling it and restoring beta cell function is extremely difficult.
2. Inability to regenerate beta cells:
• In the adult body, there are virtually no natural mechanisms for beta cell regeneration. Dead beta cells do not regenerate naturally, and even if the immune system stops the attack, insulin production is no longer possible without outside intervention.
3. Problems with modifying the immune system:
• The main difficulty in treating type 1 diabetes is stopping the autoimmune process, in which the immune system attacks its own cells. Methods aimed at suppressing the immune system may not be effective enough or may cause serious side effects, such as increased susceptibility to infections and other diseases.
4.Inability to completely replace insulin:
• Despite the development of insulin therapy methods, including insulin pumps and blood glucose monitoring systems, these methods cannot replace the body’s natural production of insulin. Insulin administered externally works differently and is not always able to maintain normal blood sugar levels, which can lead to hypoglycemia (low glucose) or hyperglycemia (high glucose).
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5. Complexity of the disease:
• Type 1 diabetes is a systemic disease that affects not only insulin production, but also other aspects of metabolism and the immune system. The interaction of various genes and environmental factors makes treatment more complex.
• It is also worth considering that the disease begins long before clinical symptoms appear, and by the time diabetes is diagnosed, most of the beta cells have already been destroyed.
WHAT MODERN THERAPIES CAN HELP A PATIENT WITH TYPE 1 DIABETES
Islet Transplant (B-cells)
This is a procedure in which groups of specialized cells called islets of Langerhans are removed from a donor’s pancreas and transplanted into a patient to restore the body’s ability to produce insulin. These islets contain beta cells, which are responsible for producing insulin, a hormone needed to control blood sugar levels.
This method is mainly used to treat patients with type 1 diabetes whose own beta cells have been destroyed by an autoimmune attack. The main goal of islet transplantation is to restore the body’s ability to produce insulin on its own and thus control blood glucose levels. A successful transplant may allow the patient to:
Reduce or even completely stop the use of external insulin.
Improve blood sugar control and prevent sharp glucose spikes.
Reduce the risk of diabetes-related complications such as hypoglycemia (especially dangerous nocturnal hypoglycemia) and hyperglycemia.
After transplantation, donor beta stem cells begin to perform their natural function – they sense the concentration of glucose in the blood and secrete insulin when sugar levels rise. Insulin regulates the movement of glucose from the blood into the body’s cells, thereby lowering blood sugar levels and preventing hyperglycemia.
Transplanted donor beta cells can restore the body’s ability to regulate blood glucose levels on its own. This means that the patient may not need regular insulin injections, or its dosage can be significantly reduced.
3D pancreatic organoids for type 1 diabetes
3D pancreatic organoids are miniature three-dimensional models of the pancreas created from stem cells or other cell types that can replicate some of the organ’s functions. These organoids are structures that can contain different types of pancreatic cells, including beta cells, which are responsible for producing insulin.
3D pancreatic organoids are widely used in medical research and biotechnology due to their ability to simulate the function and structure of the real organ.
3D organoids can be used to create a replacement for a damaged pancreas or parts of it. For example, stem cells can be used to grow organoids that can then be implanted into a patient to restore normal insulin function.
Development of cell therapies: 3D organoids help develop approaches to cell therapy, including the possibility of transplanting specially grown beta cells into patients with diabetes.
The technology is quite expensive, but has been tested in clinical settings and protocols.
Microvascular endothelial cells in the treatment of type 1 diabetes
Microvascular endothelial cells play an important role in the treatment of type 1 diabetes, especially in the context of regenerative medicine and cell transplantation. These cells form the inner lining of small blood vessels (capillaries) and ensure their normal functioning, which is important for ensuring the blood supply to tissues, including transplanted cells.
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The main uses of microvascular endothelial cells in the treatment of type 1 diabetes are:
1. Support for islet transplantation
Creation of a microvascular network: Transplantation of islets of Langerhans containing beta cells requires a good blood supply for the cells to survive and function properly. Microvascular endothelial cells can help form microvessels that will provide the transplanted cells with essential nutrients and oxygen. This is especially important because transplanted beta cells require a constant and adequate blood supply for normal insulin production.
Improving cell survival: Using microvascular endothelial cells in combination with islet transplants helps to create a network of blood vessels at the transplant site, improving the survival and functionality of the transplanted cells. Without such support, the transplanted cells may die due to lack of oxygen and nutrients.
2. Improving endothelial function in diabetes
Preventing vascular complications: One of the major problems of diabetes is damage to the vascular endothelium, leading to complications such as diabetic retinopathy, nephropathy, and damage to small blood vessels. Microvascular endothelial cells can be used to restore normal endothelial function and prevent or slow down the development of these complications.
Using stem cells to regenerate endothelial cells helps repair damaged blood vessels and improve tissue circulation in patients with type 1 diabetes.
Preventing inflammation: Microvascular endothelial cells can be used to reduce inflammation at the transplant site. They play a role in maintaining the barrier between blood vessels and surrounding tissue, which helps reduce the inflammatory response that often occurs during cell transplantation.
Microvascular endothelial cells play a key role in cell transplantation and tissue, creating the vascular network necessary for the nutrition and function of transplanted cells. In the treatment of type 1 diabetes, these cells help improve the survival and function of transplanted beta cells, promoting insulin production and preventing complications. Their use opens up prospects for the development of more effective methods of regenerative medicine and cell therapy in the fight against diabetes.
Renal tubular epithelial cells in the treatment of type 1 diabetes
Renal tubular epithelial cells are important in maintaining normal kidney function and in the current diabetes-related conditions, especially its complications. Although renal tubular epithelial cells are not directly used to treat type 1 diabetes, their role becomes important in the context of kidney protection and restoration, as type 1 diabetes can cause serious complications such as diabetic nephropathy, a kidney disorder that is one of the main causes of kidney failure in patients with diabetes. The main areas of use of renal tubular epithelial cells in the treatment and prevention of complications of type 1 diabetes:
1. Treatment of diabetic nephropathy
Diabetic nephropathy is a chronic kidney disease that develops due to damage to blood vessels and epithelial cells of the renal tubules under the influence of elevated glucose levels. Impaired function of these cells can lead to the loss of the kidneys’ ability to effectively filter blood and remove waste, which causes the progression of kidney failure.
The role of epithelial cells in filtration: Renal tubular epithelial cells play a key role in the process of reabsorption of substances, blood filtration, and maintaining fluid and electrolyte balance in the body. In the case of diabetic nephropathy, these cells are significantly damaged, which leads to a loss of their ability to maintain normal kidney function.
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2. Using stem cells to regenerate kidneys
Stem cell therapy: One promising area of treatment for kidney damage in diabetes is the regeneration of renal tubular epithelial cells using stem cells. Research shows that it is precisely narrowly differentiated stem cells that can help restore the structure and function of epithelial cells, which is important for protecting the kidneys from diabetic damage.
Cell therapy technologies: Stem cell therapy can be aimed at restoring renal tubules and slowing or even preventing the progression of renal failure caused by diabetes. This approach may reduce the need for dialysis and kidney transplantation in patients with severe diabetes complications.
Renal tubular epithelial cells are exposed to many factors associated with diabetes, such as elevated glucose levels, inflammation, and oxidative stress. This leads to changes in their function, cell damage, and cell death, which worsens kidney damage.
Scientists say that signaling pathways associated with hyperglycemia and inflammation affect renal epithelial cells.
3. Prevention and treatment of diabetes complications
Protection of renal tubules: One approach to treating diabetic nephropathy involves the use of special cells that can protect renal epithelial cells.
Improving glucose control with this therapy may prevent damage to renal epithelial cells and slow the progression of diabetic nephropathy.
When offering one or another method of using stem cells, we analyze the patient’s condition in detail in order to achieve the longest possible result of remission and recovery.
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