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Glucose transporter inhibitor-conjugated insulin mitigates hypoglycemia.

ABSTRACT: Insulin therapy in the setting of type 1 and advanced type 2 diabetes is complicated by increased risk of hypoglycemia. This potentially fatal complication could be mitigated by a glucose-responsive insulin analog. We report an insulin-facilitated glucose transporter (Glut) inhibitor conjugate, in which the insulin molecule is rendered glucose-responsive via conjugation to an inhibitor of Glut. The binding affinity of this insulin analog to endogenous Glut is modulated by plasma and tissue glucose levels. In hyperglycemic conditions (e.g., uncontrolled diabetes or the postprandial state), the in situ-generated insulin analog-Glut complex is driven to dissociate, freeing the insulin analog and glucose-accessible Glut to restore normoglycemia. Upon overdose, enhanced binding of insulin analog to Glut suppresses the glucose transport activity of Glut to attenuate further uptake of glucose. We demonstrate the ability of this insulin conjugate to regulate blood glucose levels within a normal range while mitigating the risk of hypoglycemia in a type 1 diabetic mouse model.

SUBMITTER: Wang J

PROVIDER: S-EPMC6561193 | biostudies-literature | 2019 May

REPOSITORIES: biostudies-literature

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Glucose transporter inhibitor-conjugated insulin mitigates hypoglycemia.

Wang Jinqiang J Yu Jicheng J Zhang Yuqi Y Kahkoska Anna R AR Wang Zejun Z Fang Jun J Whitelegge Julian P JP Li Song S Buse John B JB Gu Zhen Z

Proceedings of the National Academy of Sciences of the United States of America 20190516 22

Insulin therapy in the setting of type 1 and advanced type 2 diabetes is complicated by increased risk of hypoglycemia. This potentially fatal complication could be mitigated by a glucose-responsive insulin analog. We report an insulin-facilitated glucose transporter (Glut) inhibitor conjugate, in which the insulin molecule is rendered glucose-responsive via conjugation to an inhibitor of Glut. The binding affinity of this insulin analog to endogenous Glut is modulated by plasma and tissue gluco ...[more]

PMID: 31097579

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Project description:BackgroundThe treatment duration of insulin-sodium-glucose co-transporter inhibitors (SGLTis) co-treatment of type 1 diabetes mellitus (T1DM) patients in randomized controlled trials (RCTs) varies by 1-52 weeks. Henceforth, treatment duration-wise, we compared the following insulin-treatment adjuncts- mega- versus low-dose SGLTis, SGLTis versus placebo, and different SGLTi dosages.MethodDouble-blinded RCTs reporting the above were searched (using terms like insulin-dependent, "juvenile-onset diabetes," and "sodium glucose cotransport*") in the PubMed, Embase, and Scopus databases and appraised using a Cochrane tool. The risks across different SGLTi-dosages were compared using network meta-analysis. Random-effect pairwise meta-analysis was performed for the remaining harm juxtapositions. Meta-analyses were performed for the following treatment durations- < 4 weeks, 4 to < 24 weeks, and ≥ 24 weeks. For meta-analysis and certainty of evidence assessment, we used the Stata statistical software and the GRADE method, respectively.ResultsA total of 15 (low risks of bias) studies sourcing data from about 7,330 T1DM patients were reviewed. Meta-analysis findings of ≥ 24 weeks long trials were- a. SGLTi-insulin co-treatment increased the genital infection (GI) (RR: 3.51; 95% CI: 2.59, 4.77), diabetic ketoacidosis (DKA) and (RR: 3.25; 95% CI:1.29, 8.16), and serious side effects (RR: 1.43; 95% CI: 1.05, 1.94) risk. b. SGLT2i-insulin increased the GI risk (RR: 3.77; 95% CI: 2.31, 6.16; high-quality evidence). c. Sotagliflozin-insulin increased the GI (RR: 3.36; 95% CI: 2.28, 4.96) and DKA (RR: 6.69; 95% CI: 2.75, 16.32) risk (both high-quality evidence). Compared to low-dose, megadose SGLTi treatment for 4 to < 24 weeks increased the GI risk. The remaining analyses were not statistically significantly different.ConclusionOn moderate to long-term treatment (24-52 weeks) of T1DM patients, insulin-SGLT2i co-treatment was associated with GI risk, and insulin-sotagliflozin co-treatment was associated with DKA and GI risk.Supplementary informationThe online version contains supplementary material available at 10.1007/s40200-023-01192-7.

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Glucose transporter inhibitor-conjugated insulin mitigates hypoglycemia.

Publications

Glucose transporter inhibitor-conjugated insulin mitigates hypoglycemia.

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