Methods of treating diabetes and other blood sugar disorders
First Claim
1. A method comprising administering to an individual an effective amount of a nucleic acid encoding a precursor glucagon-like peptide 1 (GLP-1) comprising mammalian GLP-I linked to a heterologous signal sequence, wherein the precursor GLP-1 is cleaved in vivo or ex vivo which results in generation of activated GLP-1 in the individual, wherein the activated GLP-1 reduces plasma triglyceride levels.
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Abstract
Evidence is emerging that lipid accumulation in the liver and the muscle contributes to insulin resistance in type II diabetes and the metabolic syndrome (1). This has prompted an investigation of the relationship between lipid accumulation in the liver, serum triglyceride levels, and glucose disposal. These studies demonstrate that liver fat positively correlated to fasting triglyceride levels and negatively correlated to glucose diposal (2). Therefore, strategies to prevent lipid accumulation in liver would have therapeutic value for treatment of type II diabetes, metabolic syndrome and non-alcoholic fatty liver disease. The invention described here relates to continuous administration of GLP-1 or its analogs obtained by either gene or cell therapy that results in reduction serum triglycerides and reduction of lipid accumulation in the liver for treatment of type II diabetes, the metabolic syndrome or non-alcoholic fatty liver disease.
33 Citations
16 Claims
- 1. A method comprising administering to an individual an effective amount of a nucleic acid encoding a precursor glucagon-like peptide 1 (GLP-1) comprising mammalian GLP-I linked to a heterologous signal sequence, wherein the precursor GLP-1 is cleaved in vivo or ex vivo which results in generation of activated GLP-1 in the individual, wherein the activated GLP-1 reduces plasma triglyceride levels.
- 5. A method comprising administering to an individual an effective amount of a nucleic acid encoding a precursor glucagon-like peptide 1 (GLP-1) comprising mammalian GLP-I linked to a heterologous signal sequence, wherein the precursor GLP-1 is cleaved in vivo or ex vivo which results in generation of activated GLP-1 in the individual, wherein the activated GLP-1 reduces lipid accumulation in an organ.
- 9. A method comprising administering to an individual an effective amount of an isolated host cell comprising a nucleic acid encoding a precursor GLP-1 comprising mammalian GLP-1 linked to a heterologous signal sequence, wherein the precursor GLP-1 is produced and cleaved within the host cell which results in generation of activated GLP-1 in the individual, wherein the activated GLP-1 reduces lipid accumulation in an organ.
- 13. A method comprising administering to an individual an effective amount of an isolated host cell comprising a nucleic acid encoding a precursor GLP-1 comprising mammalian GLP-1 linked to a heterologous signal sequence, wherein the precursor GLP-1 is produced and cleaved within the host cell which results in generation of activated GLP-1 in the individual, wherein the activated GLP-1 reduces reduces plasma triglyceride levels.
Specification