PMID: 7032897Oct 1, 1981Paper

Changes of early insulin responses to glucose in obese subjects with normal and impaired carbohydrate tolerance

Endokrinologie
K P RatzmannM Ziegler

Abstract

We have studied changes in the sensitivity of the early insulin response to glucose by means of an intravenous pulse-stimulation of 1.0 g, 2.5 g and 5.0 glucose at intervals of 30 min in 24 non-obese healthy controls without a family history of diabetes and in obese subjects with normal (n = 7) and pathological carbohydrate tolerance (n = 23). All subjects were characterized regarding carbohydrate tolerance (CHT) by using a 2 h-glucose infusion test (GIT; 12 mg/kg/min), primed by an initial injection of 0.33 g/kg glucose. Compared with controls the early insulin response (delta IRI-area 0-5 min) during GIT was slightly increased in obesity with normal CHT and it was significantly reduced in obesity with pathological CHT. With regard to the late insulin response phase (delta IRI-area 30-120 min) both obese groups were characterized by a significant hyperinsulinemia. During staircase glucose stimulation a dose-dependent significant increase of the maximal IRI-response was observed in controls whereas this strong relationship was lacking in the two obese groups. The dose-response curve in obesity with normal CHT was displaced toward the left of the control curve whereas a right shift was found in obesity with pathological CHT. The...Continue Reading

Related Concepts

Trending Feeds

COVID-19

Coronaviruses encompass a large family of viruses that cause the common cold as well as more serious diseases, such as the ongoing outbreak of coronavirus disease 2019 (COVID-19; formally known as 2019-nCoV). Coronaviruses can spread from animals to humans; symptoms include fever, cough, shortness of breath, and breathing difficulties; in more severe cases, infection can lead to death. This feed covers recent research on COVID-19.

Blastomycosis

Blastomycosis fungal infections spread through inhaling Blastomyces dermatitidis spores. Discover the latest research on blastomycosis fungal infections here.

Nuclear Pore Complex in ALS/FTD

Alterations in nucleocytoplasmic transport, controlled by the nuclear pore complex, may be involved in the pathomechanism underlying multiple neurodegenerative diseases including Amyotrophic Lateral Sclerosis and Frontotemporal Dementia. Here is the latest research on the nuclear pore complex in ALS and FTD.

Applications of Molecular Barcoding

The concept of molecular barcoding is that each original DNA or RNA molecule is attached to a unique sequence barcode. Sequence reads having different barcodes represent different original molecules, while sequence reads having the same barcode are results of PCR duplication from one original molecule. Discover the latest research on molecular barcoding here.

Chronic Fatigue Syndrome

Chronic fatigue syndrome is a disease characterized by unexplained disabling fatigue; the pathology of which is incompletely understood. Discover the latest research on chronic fatigue syndrome here.

Evolution of Pluripotency

Pluripotency refers to the ability of a cell to develop into three primary germ cell layers of the embryo. This feed focuses on the mechanisms that underlie the evolution of pluripotency. Here is the latest research.

Position Effect Variegation

Position Effect Variagation occurs when a gene is inactivated due to its positioning near heterochromatic regions within a chromosome. Discover the latest research on Position Effect Variagation here.

STING Receptor Agonists

Stimulator of IFN genes (STING) are a group of transmembrane proteins that are involved in the induction of type I interferon that is important in the innate immune response. The stimulation of STING has been an active area of research in the treatment of cancer and infectious diseases. Here is the latest research on STING receptor agonists.

Microbicide

Microbicides are products that can be applied to vaginal or rectal mucosal surfaces with the goal of preventing, or at least significantly reducing, the transmission of sexually transmitted infections. Here is the latest research on microbicides.