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Cause for exaggerated insulin response in subset of bariatric surgery patients identified

Researchers at the University of Cincinnati have discovered that gastric bypass surgery leads to excessive post-meal insulin response in a subset of patients, characterized by altered islet cell function and reduced insulin clearance. This study sheds light on mechanisms of glucose metabolism alterations following gastric bypass surgery.

SourceUniversity of Cincinnati·JournalJournal of Endocrinology and Metabolism·DateMar 27, 2014

Study examines risk of severe blood sugar swings among diabetics taking fluoroquinolones

A recent study found that diabetic patients taking oral fluoroquinolones have a higher risk of severe blood sugar-related problems compared to those taking other antibiotics. The increased risk was low, but clinicians should consider this when treating diabetic patients with fluoroquinolones, especially moxifloxacin.

SourceInfectious Diseases Society of America·JournalClinical Infectious Diseases·DateAug 15, 2013

New analysis shows that patients with Type 2 diabetes and mild renal impairment had similar improvement in blood sugar control and experienced less hypoglycemia with JANUVIA (sitagliptin) compared to sulfonylurea

A post-hoc analysis found that patients with Type 2 diabetes and mild renal impairment treated with JANUVIA achieved similar blood sugar reductions as those treated with sulfonylureas, with significantly fewer hypoglycemia events. Patients taking JANUVIA also experienced weight loss, whereas those on sulfonylureas gained weight.

JCI early table of contents for April 1, 2013

Researchers at Yale University have identified a protein MKP-5 as a negative regulator of muscle stem cell function, enhancing muscle regeneration in a mouse model of Duchenne muscular dystrophy. Additionally, studies suggest that lactate supports neuronal function and may protect the brain during hypoglycemia.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateApr 1, 2013

Alternative fuel for your brain

Researchers found that recurrent hypoglycemia enhances neuronal uptake of lactate, allowing the brain to retain normal neural activity. This suggests that lactate supports neuronal function and indicates potential benefits of supplementing alternative fuels during hypoglycemia.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateApr 1, 2013

A social networking approach to public health research raises hypoglycemia awareness

Researchers at Boston Children's Hospital used a social networking approach to investigate the magnitude of hypoglycemia and promote healthy behaviors among participants with diabetes. The study showed that engaging patients in research through social media can help augment traditional surveillance methods and lead to meaningful behavi...

SourceBoston Children's Hospital·JournalJAMA Internal Medicine·DateFeb 11, 2013

Dual-hormone artificial pancreas is a step closer for patients with Type 1 diabetes

A randomized trial shows that the dual-hormone artificial pancreas system improved glucose levels and reduced hypoglycemia compared to conventional pump treatment in patients with Type 1 diabetes. The system delivered insulin and glucagon using continuous glucose sensor readings and an intelligent dosing algorithm.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateJan 28, 2013

In a post-hoc analysis, elderly patients with type 2 diabetes experienced less hypoglycemia and similar blood sugar reductions with JANUVIA compared to sulfonylurea

In a post-hoc analysis, elderly patients with type 2 diabetes treated with JANUVIA achieved similar blood sugar reductions as those treated with a sulfonylurea. Notably, patients taking JANUVIA experienced significantly less hypoglycemia, with an incidence of 6.2% compared to 28.2% in patients taking a sulfonylurea.

Diabetes drug target identified

Researchers at the University of Cincinnati have identified apolipoprotein A-IV (apoA-IV) as a promising target for a new diabetes treatment. The study found that apoA-IV improves insulin secretion and reduces blood sugar levels in mice with impaired glucose tolerance.

SourceUniversity of Cincinnati·JournalProceedings of the National Academy of Sciences·DateMay 21, 2012

Study shows CGM devices also benefit people with type 1 diabetes

A study found that continuous glucose monitoring (CGM) devices enable people with excellent blood sugar control to continue managing their diabetes while reducing the frequency of low blood sugar events. CGM devices helped participants spend more time in the target blood sugar range and reduced biochemical hypoglycemia.

SourceJDRF·JournalDiabetes Care·DateMay 27, 2009

New study data: JANUVIA (sitagliptin)

A new study shows JANUVIA (sitagliptin), a diabetes medicine, effectively lowers blood glucose levels in elderly patients with type 2 diabetes and is not associated with hypoglycemia. The study found that advanced age can contribute to the risk of hypoglycemia, which is why this treatment is beneficial for older patients.

Chemical in brain acts like a fuel gauge

Researchers at USC have found that norepinephrine transmits a 'low blood sugar' message from the hindbrain to the paraventricular hypothalamus, triggering the release of energy stores to replace missing sugars. This discovery provides new insights into glucose sensing mechanisms in the brain and may hold potential for treating diabetic...

Is there such a thing as too much sugar?

A study published in JCI Journals found that glucose reperfusion triggers more extensive neuronal death in hypoglycemic mice than prolonged hypoglycemia itself. Gradual increase of blood glucose levels may be a better approach to treat individuals in hypoglycemic coma, but the findings are subject to further clarification.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateApr 2, 2007

Patients with type 1 diabetes don't wake in response to hypoglycemia

A study of patients with type 1 diabetes and healthy individuals found that only one patient with T1DM woke up in response to hypoglycemia, compared to ten healthy control participants. The researchers also discovered that increases in plasma epinephrine concentration preceded polysomnographic signs of wakefulness.

SourcePLOS·JournalPLOS Medicine·DateFeb 26, 2007

JCI table of contents, June 1, 2006

Researchers investigate the effects of hypoglycemia on insulin therapy in type 1 diabetes and discover a potential solution using urocortin I. Urocortin I suppresses the counterregulatory response to low blood sugar, impairing glucose-sensing neurons in the brain.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateJun 1, 2006

JCI table of contents: December 1, 2005

In a study published in the Journal of Clinical Investigation, Columbia University researchers discovered that replacing leptin in lean individuals who lost weight restored fat mass and reversed metabolic changes. The findings suggest that therapeutics targeting the leptin signaling pathway may assist in maintaining reduced body weight...

SourceJCI Journals·JournalJournal of Clinical Investigation·DateDec 1, 2005

Natural glucose byproduct may prevent brain damage and cognitive impairment after diabetic coma

Researchers at UCSF discovered that administering pyruvate along with glucose after a diabetic coma can prevent brain damage and subsequent memory and learning impairment. The therapy was shown to be more effective than treatment with glucose alone, with rats experiencing significant cognitive deficits when given only glucose.

Insulin pump effective for infants, children

A recent study by Duke University Medical Center researchers found that toddlers and preschool children with Type I diabetes can successfully use insulin pumps with proper supervision. The study involved nine children who were treated with insulin pumps for seven to 19 months, resulting in improved blood glucose control and a significa...