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UT Southwestern researchers learn importance of insulin family signaling in male sex determination

Researchers at UT Southwestern Medical Center have found that insulin family signaling plays a critical role in male sex determination. The discovery furthers the understanding of testes formation and may lead to new treatments for reproductive disorders. Insulin-like genes, including Insl3, also play a key role in this process.

Salk news: Diabetes first steps

Scientists discovered a chemical relay that controls whether the body burns sugars or fats for energy. The discovery may help design better treatments for insulin resistance and ultimately prevent adult-onset diabetes.

SourceSalk Institute·JournalNature·DateNov 12, 2003

Gastric bypass surgery resolves or improves diabetes in most patients, reports Pittsburgh study

The study found that gastric bypass surgery significantly improved diabetes outcomes in patients, with nearly all achieving normal blood sugar levels and reducing their reliance on anti-diabetic medications. Patients with shorter disease durations and milder type 2 diabetes saw the greatest improvements in glycemic control.

SourceUniversity of Pittsburgh Medical Center·JournalAnnals of Surgery·DateOct 2, 2003

Mouse, stripped of a key gene, resists diabetes

Researchers have discovered an engineered mouse that can eat a high-fat diet without gaining weight or developing diabetes. The mouse lacks the SCD-1 gene, which affects fat production and glucose regulation. As a result, muscle cells are more sensitive to insulin, enabling them to absorb glucose and regulate blood sugar levels.

SourceUniversity of Wisconsin-Madison·JournalProceedings of the National Academy of Sciences·DateSep 2, 2003

Islet cell transplantation for diabetes turns corner

A new study demonstrates that pig cells can be transplanted into children with type 1 diabetes without the need for immunosuppressive drugs, resulting in some patients being off insulin. The use of embryonic stem cells and novel preservation methods also holds promise for increasing the availability of viable cells for transplantation.

SourceTransplantation Society·JournalTransplantation·DateAug 27, 2002

Biomarkers of aging news advisory

Researchers analyzed biomarker data from over 700 healthy men and 60 rhesus monkeys, finding lower body temperatures, blood insulin levels, and higher DHEAS levels in those on a calorically restricted diet were associated with longer lifespan. The study suggests potential for developing compounds that mimic the benefits of caloric rest...

SourceNIH/National Institute on Aging·JournalScience·DateAug 1, 2002

Studies yield key insights in preventing destruction of insulin-producing cells

Recent clinical trials found that low-dose insulin injections do not delay or prevent type 1 diabetes in high-risk individuals, contrary to earlier animal studies and pilot trials. However, the trials revealed valuable insights into immune and metabolic markers for assessing diabetes risk and identifying potential prevention strategies.

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...

Insulin in heart development

Research reveals insulin's impact on cardiac growth and development. Insulin signaling pathways regulate the expression of key genes involved in cardiac hypertrophy.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateFeb 27, 2002

Foxo1 and the insulin resistance of cultured kidney cells

Researchers discovered that Foxo1 is involved in regulating glucose metabolism and promoting insulin resistance in cultured kidney cells. Increased Foxo1 activity was linked to decreased insulin sensitivity, highlighting its potential as a therapeutic target for treating related disorders.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateOct 31, 2001

In first human trial, insulin shows ability to reduce components that inflame vessel walls

A new study by University at Buffalo researchers found that insulin can reduce pro-inflammatory components in the bloodstream while increasing anti-inflammatory components. The results suggest that insulin may have anti-atherosclerotic effects and potentially reduce the risk of heart attack, contrary to previous assumptions.

SourceUniversity at Buffalo·JournalThe Journal of Clinical Endocrinology & Metabolism·DateAug 8, 2001

Hammering out the role of IDX1 in diabetes

IDX1's role in regulating glucose levels and insulin sensitivity has been identified, shedding light on potential therapeutic targets. Further research is needed to fully understand the mechanisms by which IDX1 influences diabetes progression.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateJul 11, 2001