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JCI early table of contents for Sept. 10, 2012

Researchers develop a human liver-chimeric mouse model to study malaria parasites and understand human host/parasite interactions. Additionally, studies reveal the link between serum ferritin levels and insulin sensitivity, as well as the role of granulocyte-colony stimulating factor in protecting against influenza infection.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateSep 10, 2012

Metabolic MAGIC

Researchers have identified 38 new genetic regions linked to glucose and insulin levels, expanding the total number of associated genetic regions to 53. The study used a powerful technology to analyze DNA sequence variations for multiple traits at once.

SourceWellcome Trust Sanger Institute·JournalNature Genetics·DateAug 12, 2012

Big horns trump smooth pickup lines every time

Elk and rhinoceros beetles use insulin to grow big horns and attract mates. A study by Michigan State University found that these traits are not handicaps, but rather honest indicators of quality. The research suggests that the males' insulin dependence provides a way for them to show off their strength and suitability as partners.

SourceMichigan State University·JournalScience·DateJul 26, 2012

A further step towards preventing diabetes

Researchers at UNIGE have developed a new model to study the protein Cx36, which plays a crucial role in insulin production. By analyzing 1040 molecules, they aim to identify those that stimulate or inhibit insulin production, paving the way for new pharmacological treatment strategies for type 2 diabetes.

SourceUniversité de Genève·JournalPLOS ONE·DateJul 26, 2012

Women with diabetes more likely to experience sexual dissatisfaction

A UCSF study found that women with diabetes are more likely to report low overall sexual satisfaction compared to non-diabetic women. Insulin-treated diabetic women were at higher risk for lubrication and orgasm complications, while end-organ complications such as heart disease and peripheral neuropathy also impacted sexual function.

SourceUniversity of California - San Francisco·JournalObstetrics and Gynecology·DateJul 25, 2012

Positive results from first human clinical trials of a first-generation artificial pancreas system is significant step forward for millions with type 1 diabetes

The Hypoglycemia-Hyperglycemia Minimizer (HHM) System successfully detects blood glucose highs and lows, automatically adjusting insulin delivery to safely manage type 1 diabetes. The study's findings lay the groundwork for further clinical trials and a potential game-changer for millions living with the condition.

Automated insulin dosage titration system demonstrates positive clinical study results

A clinical study demonstrates the effectiveness of an automated insulin dosage titration system in improving blood glucose control and reducing hypoglycemic events. The system, developed by Hygieia, Inc., automatically updates insulin dosage for patients with type 2 or type 1 diabetes, leading to improved glycemic targets.

SourceKureczka/Martin Associates·JournalDiabetes Technology & Therapeutics·DateMay 9, 2012

Moving towards a better treatment for autoimmune diabetes

Researchers have made a breakthrough in treating autoimmune diabetes using genetically modified gut bacteria, increasing the frequency of cured mice compared to traditional methods. The new approach has no adverse side effects and allows the immune system to function normally.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateApr 9, 2012

Researchers validate the potential of a protein for the treatment of type 2 diabetes

A study published in PNAS reveals that a deficiency of Mitofusin 2 protein causes insulin resistance and glucose intolerance in mice, highlighting its potential as a target for treating type 2 diabetes. The researchers also note that the protein plays a crucial role in maintaining normal glucose homeostasis.

SourceInstitute for Research in Biomedicine (IRB Barcelona)·JournalProceedings of the National Academy of Sciences·DateMar 23, 2012

Tasting fructose with the pancreas

Researchers at Sanford-Burnham Medical Research Institute discovered that beta cells in the pancreas use taste receptors to sense fructose, a type of sugar. This finding suggests that fructose plays a role in insulin release, amplifying the effect of glucose and potentially impacting metabolic diseases like obesity and diabetes.

SourceSanford Burnham Prebys·JournalProceedings of the National Academy of Sciences·DateFeb 6, 2012

Stem cell therapy reverses diabetes

A new method uses stem cells from cord blood to re-educate a diabetic's own T cells, restarting pancreatic function and reducing the need for insulin. After two to three hours, the re-educated lymphocytes are returned to the patient, improving C-peptide levels and allowing for reduced insulin doses.

SourceBMC (BioMed Central)·JournalBMC Medicine·DateJan 9, 2012

JDRF-funded study seeks to reduce cardiovascular risk

The REMOVAL study aims to test whether metformin can prevent or reduce the risk of cardiovascular complications in people with type 1 diabetes. The five-year trial will follow 500 patients and examine the effects of metformin on blood glucose control, treatment satisfaction, and other complications.

SourceJDRF·DateDec 13, 2011

Women's chin, abdomen are good indicators of excessive hair growth

Researchers have found that examining the chin and upper/lower abdomen is an accurate and minimally invasive way to screen for excessive hair growth in women, which can be up to 80% effective. This method has significant implications for diagnosing PCOS and related health risks such as insulin resistance, diabetes, and heart disease.

SourceMedical College of Georgia at Augusta University·JournalFertility and Sterility·DateNov 2, 2011