ArticleDiabetology & metabolic syndrome2015
Streptozotocin-induced diabetes disrupts the body temperature daily rhythm in rats.
Article in Diabetology & metabolic syndrome, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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8 citing papers in PubMed, 28 citations in OpenAlex.
- Amylin exacerbates tau pathology in the visual cortex of diabetic mice by impairing lysosomal activity.Genes & diseases · 2025Article
- Circadian Clock and Body Temperature.Advances in experimental medicine and biology · 2024Review
- Studying and Analyzing Humane Endpoints in the Fructose-Fed and Streptozotocin-Injected Rat Model of Diabetes.Animals : an open access journal from MDPI · 2023Article
- Type I Diabetes Pathoetiology and Pathophysiology: Roles of the Gut Microbiome, Pancreatic Cellular Interactions, and the 'Bystander' Activation of Memory CD8International journal of molecular sciences · 2023Review
- Notch inhibitor mitigates renal ischemia‑reperfusion injury in diabetic rats.Molecular medicine reports · 2020Article
- Insulin Restores an Altered Corneal Epithelium Circadian Rhythm in Mice with Streptozotocin-induced Type 1 Diabetes.Scientific reports · 2016Article
- Peripheral body temperature impairment in individuals with type 1 diabetes mellitus.Sleep science (Sao Paulo, Brazil)Article
- The Effects of Hesperidin and Quercetin on Serum Tumor Necrosis Factor-Alpha and Interleukin-6 Levels in Streptozotocin-induced Diabetes Model.Pharmacognosy magazineArticle
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3 authors at 1 institution in 1 country.
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Abstract
backgroundIn mammals, the temperature rhythm is regulated by the circadian pacemaker located in the suprachiasmatic nuclei, and is considered a "marker rhythm". Melatonin, the pineal gland hormone, is a major regulator of the endogenous rhythms including body temperature. Its production is influenced by many factors, such as type 1 diabetes mellitus. In rats, diabetes leads to hypothermia and reduced melatonin synthesis; insulin treatment reestablishes both.
aimTo study the body temperature daily rhythm of diabetic animals and the effects of insulin and/or melatonin treatment on its structure.
methodsWe studied the effects of streptozotocin-induced diabetes (60 mg/kg) on the body temperature rhythm of Wistar rats and the possible modifications resulting from early and late treatments with insulin (6U/day) and/or melatonin (daily 0.5 mg/kg). We monitored the daily body temperature rhythm, its rhythmic parameters (MESOR, amplitude and acrophase), glycemia and body weight for 55 days. Data were classified by groups and expressed as mean ± SEM. One-way ANOVA analysis was performed followed by Bonferroni posttest. Statistical significance was set at p < 0.05.
resultsDiabetes led to complete disruption of the temperature rhythm and hypothermia, which were accentuated over time. All early treatments (insulin or/and melatonin) prevented the temperature rhythm disruption and hypothermia. Insulin plus melatonin restored the body temperature rhythm whereas insulin alone resulted less efficient; melatonin alone did not restore any of the parameters studied; however, when supplemented close to diabetes onset, it maintained the temperature rhythmicity. All these corrective effects of the early treatments were dependent on the continuous maintenance of the treatment.
conclusionsTaken together, our findings show the disruption of the body temperature daily rhythm, a new consequence of insulin-dependent diabetes, as well as the beneficial effect of the complementary action of melatonin and insulin restoring the normal rhythmicity.
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