Articles tagged with Insulin
Scientists have identified a protein called Snapin as the molecular switch that controls insulin secretion in pancreatic beta cells. This discovery provides an explanation for the failure of these cells in type 2 diabetes and may lead to new therapies.
A new ultra-long-acting form of insulin, degludec, has shown improved glucose control when administered just three times a week, compared to daily injections. This reduces the risk of hypoglycaemia and improves patient adherence.
A new home urine test has been developed to measure insulin production in patients with Type 1 and Type 2 diabetes, replacing multiple blood tests. The test can differentiate between the two types of diabetes and rare genetic forms.
A recent study published in The Endocrine Society's Journal of Clinical Endocrinology & Metabolism found that individuals with fatty liver were significantly more likely to develop type 2 diabetes than those without. Fatty liver was shown to be an independent risk factor for type 2 diabetes, regardless of insulin resistance levels.
Researchers found that brain insulin suppresses lipolysis, a process breaking down triglycerides and releasing fatty acids, which worsens diabetes. Impaired brain insulin signaling can lead to a vicious cycle of inflammation and insulin resistance.
Researchers found that obesity reduces duration and quality of life by 12 percent, while knee osteoarthritis has a similar impact. A new guideline also recommends targeted prevention and treatment strategies for patients with specific characteristics, such as age, race, and functional status.
UT Southwestern researchers found that eliminating glucagon action can restore glucose tolerance to normal in mice with type 1 diabetes. This suggests a potential 'cure' for the disease, as insulin would no longer be necessary.
A La Jolla Institute team has validated a computer model's ability to predict key information on nasal insulin treatment regimens in type 1 diabetes. The platform accurately predicted biomarker onset and therapeutic outcome, confirming its potential as a valuable research tool.
A new study found that combining exenatide with insulin provides better blood sugar control in patients with type 2 diabetes, achieving near-normal levels in 60% of participants. Additionally, Byetta recipients lost an average of four pounds during the study, while placebo recipients gained two pounds.
Joslin researchers found that brain cholesterol synthesis decreases in mouse models of diabetes, affecting nerve function and potentially leading to increased appetite and weight gain. The study suggests a link between diabetes and altered brain function, including changes in Alzheimer's disease risk and diabetic neuropathy.
Researchers at Joslin Diabetes Center discovered that diabetes can reduce brain cholesterol synthesis, which could impact brain function and increase the risk of Alzheimer's disease. This finding has broad implications for people with diabetes and may also play a role in diabetic neuropathy.
Scientists have identified a crucial protein complex called TORC 2 that plays a significant role in insulin signaling and is linked to both diabetes and cancer. The study found that activating this complex is essential for cells to take up sugar from the blood, and that it may hold potential as a new target for treating type II diabetes.
Researchers have found that beta cells in humans do not replicate after age 30, which could lead to breakthroughs in treating type 1 and 2 diabetes. The discovery uses radioactive carbon-14 dating to determine the number of beta cells remains static after this age.
Two researchers, Dr. Matthew Poy and Dr. James Poulet, have been awarded $1.5 million starting grants from the European Research Council to improve diabetes treatment and understand brain function.
A peer partnership program improved diabetes patients' conditions by reducing blood sugar levels and increasing insulin therapy rates compared to traditional nurse care management. The study found that peer support activated patients to take a more active role in managing their condition.
Researchers have identified a potential target for diabetes drugs by discovering how certain insulin gene mutations cause proinsulin proteins to misfold in pancreatic beta cells. The study found that misfolding of normal proinsulin proteins occurs when mutant protein is present, leading to insulin deficiency and diabetes.
A study found that insulin lowered inflammation and oxidative stress in participants injected with LPS, a common bacteria. Insulin also reduced pro-inflammatory factors and reactive oxygen species generated by the endotoxin.
A new study reveals that chronically high insulin levels trigger hormonal changes in the pituitary gland, disrupting ovarian function and impairing fertility. Researchers suggest decreasing the pituitary's sensitivity to insulin as a potential target for treatment.
Researchers at the Buck Institute discovered that insulin signaling affects cell survival and metabolism through translation. The study found that lower insulin signaling is associated with increased tolerance to stress, suggesting a new avenue for disease intervention.
Researchers at NIH used high-resolution microscopy to understand how fat cells absorb glucose in response to insulin. The findings may aid in identifying the interval when someone becomes at risk for developing type 2 diabetes.
Novo Nordisk's decision to withdraw Mixtard 30 insulin could add £9 million to the NHS drugs bill in England, affecting 90,000 patients with type 1 and 2 diabetes. Alternative biphasic insulins are more expensive and may cause disruption to patient care.
A bioengineered implantable glucose sensor successfully monitored tissue glucose levels in animals for over a year, demonstrating its potential as an alternative to traditional glucose monitoring methods. The device could help people with diabetes adjust their insulin doses and reduce the risk of hypoglycemia.
A study by Johns Hopkins University researchers confirms IGF-1's crucial role in coordinating puberty onset in mice. Administration of IGF-1 to normal female mice triggered pubertal development, highlighting its importance in timely triggering of pulsatile GnRH production.
A CWRU study of 60 participants with visual impairment and sighted peers found that visually impaired individuals performed slightly better in dosing accuracy, despite using non-visual tools. The results challenge the common warning against visually impaired people using insulin pens.
Research published in Science reveals that muscle weakness and coordination problems in children with neonatal diabetes are caused by neurological issues rather than muscle problems. The study provides implications for developing improved treatments for the disease, which affects one in 100,000 infants in the UK.
Researchers found that adding a continuous blood sugar sensor to an insulin pump improved blood sugar control, with significant decreases in A1c levels and no increase in severe hypoglycemia. The study's findings suggest that this technology can help patients of all ages manage their diabetes effectively.
A randomized study found that inhaled insulin plus insulin glargine achieved similar blood sugar control as twice-daily premixed biaspart insulin, with less weight gain and hypoglycemia. The treatment also showed a better safety profile, with fewer cough and lung function issues.
A 26-week randomized study found that once-weekly exenatide significantly improved blood sugar control, inducing a mean weight loss of 2.6kg per patient, compared to insulin glargine's lesser effect and mean weight gain of 1.4kg. The treatment also had lower rates of hypoglycemia and a progressive decrease in bodyweight.
A new study presented at The Endocrine Society's annual meeting found that obese insulin-resistant women lost more weight on a lower-carbohydrate diet compared to a traditional low-fat diet. After three months, the lower-carb group lost an average of 19.6 pounds, while the low-fat group lost 16.2 pounds.
A team of researchers has developed a more consistent method for isolating pancreatic islet cells from brain-dead donors using ductal injection, resulting in three type 1-diabetes patients becoming insulin-independent. The study's success rate surpasses the standard 50% with an impressive 80% clinical islet transplantation rate.
Scientists from the Helmholtz Centre in Braunschweig, Germany, have created a new and cheaper way to produce insulin. The new method uses yeast Pichia pastoris to increase the yield of an insulin precursor, reducing costs. This breakthrough could make insulin more affordable for people in developing countries.
A new nanotech breath sensor can detect Type I diabetes by measuring acetone levels in exhaled breath. The device is sensitive enough to detect high concentrations of acetone, even in moist air, allowing for early diagnosis and monitoring of diabetic ketoacidosis.
Research at the University of Texas Medical Branch found that elderly people's muscles don't respond to insulin by expanding their blood vessels like younger people do. This response is necessary for muscle protein synthesis and growth, with implications for improving strength and health in older adults.
A study using Goto-Kakizaki rats found that Roux-en-Y gastric bypass surgery increases post-surgical expression of PDX-1 and promotes regeneration of β-cells, leading to improved diabetes management. This research provides a new basis for surgical treatment of type 2 diabetes.
A study found that individuals with a family history of type 2 diabetes gain significantly more weight after consuming excess calories compared to those without such a history. Insulin resistance, a precursor to the disease, was also observed in the genetically prone group.
Researchers discovered insulin's properties reduce inflammation in fat tissue, a key factor in developing insulin resistance and type 2 diabetes. Identifying the inflammatory molecule IL-6 and protein PKCdelta improved understanding of signalling mechanisms that can lead to medicines to reduce inflammation and related disorders.
A Mayo-led research team has developed potent molecules that can inhibit the breakdown of insulin in the body, keeping it working longer and potentially leading to new treatments for diabetes. The discovery may also have implications for other diseases involving insulin, such as Alzheimer's disease.
A new report in Cell Metabolism shows that insulin-resistant blood vessels develop plaques twice as large as normal ones and are more prone to atherosclerosis. Insulin signaling helps prevent fatty plaque buildup, suggesting treatments targeting blood vessels may be beneficial for people with diabetes.
Researchers have identified small molecules that bind to TrkB, a protein involved in nerve cell survival, and demonstrated their potential in treating neurodegenerative conditions. Additionally, a new compound has been found to prevent anaphylactic shock by targeting the SphK1-S1P pathway, which may lead to the development of new thera...
A new artificial pancreas system has been developed to mimic the body's natural glucose control mechanism, using insulin and glucagon hormones. The system was tested in a clinical trial with 11 adults with type 1 diabetes, showing that it can maintain near-normal glucose levels without causing hypoglycemia.
Researchers have invented a 'smart' insulin protein molecule that binds less to cancer receptors and self-assembles under the skin. This new form of insulin reduces the risk of cancer associated with obesity and excess insulin in Type-2 diabetes patients.
Scientists found that alpha cells can spontaneously reprogram into beta cells, restoring insulin production and potentially treating type 1 diabetes. The study demonstrated that removing nearly all beta cells allowed the pancreas to regenerate new ones, offering a new strategy for regenerating insulin-producing cells.
Researchers at UT Southwestern Medical Center found that leptin administration showed better management of blood-sugar variability and lipogenesis, the conversion of simple sugars into fatty acids. Leptin therapy also reduced food intake and increased lean body mass in non-obese type 1 diabetic mice.
Scientists have determined the structure of a previously unseen part of the insulin receptor, which could lead to new treatments for diabetes. Understanding how insulin interacts with the receptor is crucial for developing effective therapies.
A new ultra-rapid acting mealtime insulin is orally inhaled for absorption via the lung, mimicking the natural early insulin response. This innovative technology uses a delivery system that applies to other drugs currently injected, with potential benefits including reduced hypoglycemia and weight gain.
Researchers explore the link between diabetes treatment and eating disorders, finding that insulin therapy can cause weight gain, increase hunger, and dysregulate appetite hormones. This can lead to unhealthy behaviors such as skipping or reducing insulin doses, which can exacerbate diabetes complications.
A review of over three decades of studies suggests that insulin therapy may increase cancer risk, particularly in those with type 2 diabetes. The study's findings also highlight the potential benefits of metformin treatment in reducing cancer incidence.
Researchers at the University of Cambridge found that first-generation artificial pancreas systems can lower risk of low blood sugar emergencies while sleeping and improve diabetes control. The study showed improved target blood glucose levels, minimized low blood sugars, and reduced hypoglycemia.
A closed-loop 'artificial pancreas' system can improve blood sugar control in young patients with type 1 diabetes, reducing the risk of nocturnal hypoglycaemia and achieving good glucose levels. The study found that children with the artificial pancreas maintained normal blood glucose levels for 60% of the time.
Scientists at the University of Cambridge have developed a new algorithm that significantly improves glucose control and reduces the risk of hypoglycemia in children with type 1 diabetes. The study shows that using an artificial pancreas system overnight can halve the time blood glucose levels fall below 3.9mmol/l, while sleeping.
Researchers at the Salk Institute for Biological Studies have made a breakthrough in understanding how stress hormones affect insulin-producing cells. The study found that the hormone CRF can increase the rate of cell growth and proliferation, which could potentially lead to new approaches for treating type 1 diabetes.
Treating adults with septic shock with intensive insulin therapy did not result in a reduced risk of in-hospital death compared to conventional insulin therapy. Patients treated with intensive insulin experienced significantly more episodes of severe hypoglycemia than those in the conventional treatment group.
Research finds that intensive glucose control can lower blood glucose too far, increasing mortality risk in patients with type 2 diabetes. The study suggests that blood glucose level targets should have both upper and lower limits to minimize the risk of hypoglycemia.
Scientists have identified common features of super active insulins, shedding light on their molecular structure and interaction with insulin receptors. The research holds promise for developing more sophisticated treatments for Type I diabetes, potentially offering controlled or injection-free therapies.
A team of researchers identified ten new genetic markers associated with biological traits underlying type 2 diabetes and three new variants linked to raised glucose levels. The study helps unravel the complex biology of type 2 diabetes and paves the way for further research on treatments.
Dr. Donald F. Steiner has made significant contributions to the understanding of insulin secretion and related disorders through his research on proinsulin and C-peptide measurement. His work has led to major improvements in therapeutic insulin development, diagnosis of pancreatic tumors, and islet transplants.
Dr. Donald F. Steiner has made significant contributions to understanding insulin secretion and glucose metabolism, including the discovery of proinsulin and clinical applications of C-peptide radioimmunoassay. He will receive a Certificate of Honor and US$150,000 in recognition of his outstanding research achievements.
A team of researchers found that high levels of urea produce toxic molecules in fat cells, leading to insulin resistance and characteristics of end-stage kidney disease. Blocking the effects of high urea levels may improve quality of life and lifespan for individuals with chronic kidney failure.
Researchers from UC San Diego used a systems biology approach to determine how core biochemical pathways are altered in skeletal muscle cells and fat cells in people with insulin resistance. The study found that common drugs for treating insulin resistance, such as TZDs, alter these pathways, leading to improved drug therapies.
Scientists have discovered a direct link between insulin and core body temperature, finding that insulin injection in specific brain areas increases metabolism, brown adipose tissue activity, and core temperature. The study suggests a potential therapeutic area for future drug design and new insights into obesity and diabetes.