Omeprazole and PGC-Formulated Heparin Binding Epidermal Growth Factor Normalizes Fasting Blood Glucose and Suppresses Insulitis in Multiple Low Dose Streptozotocin Diabetes Model

ABSTRACT Purpose Our objective was to develop novel nanocarriers (protected graft copolymer, PGC) that improve the stability of heparin binding EGF (HBEGF) and gastrin and then to use PGC-formulated HBEGF (PGC-HBEGF) and Omeprazole (+/− PGC-gastrin) for normalizing fasting blood glucose (FBG) and im...

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Veröffentlicht in:Pharmaceutical research 2013-11, Vol.30 (11), p.2843-2854
Hauptverfasser: Castillo, Gerardo M., Nishimoto-Ashfield, Akiko, Banerjee, Aryamitra A., Landolfi, Jennifer A., Lyubimov, Alexander V., Bolotin, Elijah M.
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container_end_page 2854
container_issue 11
container_start_page 2843
container_title Pharmaceutical research
container_volume 30
creator Castillo, Gerardo M.
Nishimoto-Ashfield, Akiko
Banerjee, Aryamitra A.
Landolfi, Jennifer A.
Lyubimov, Alexander V.
Bolotin, Elijah M.
description ABSTRACT Purpose Our objective was to develop novel nanocarriers (protected graft copolymer, PGC) that improve the stability of heparin binding EGF (HBEGF) and gastrin and then to use PGC-formulated HBEGF (PGC-HBEGF) and Omeprazole (+/− PGC-gastrin) for normalizing fasting blood glucose (FBG) and improving islet function in diabetic mice. Methods HBEGF, PGC-HBEGF, Omeprazole, Omeprazole + PGC-HBEGF, Omeprazole + PGC-gastrin + PGC-HBEGF and epidermal growth factor (EGF) + gastrin were tested in multiple low dose streptozotocin diabetic mice. Results Omeprazole + PGC-HBEGF normalized FBG and is better than EGF + gastrin at improving islet function and decreasing insulitis. Groups treated with Omeprazole, Omeprazole + PGC-HBEGF, or EGF + gastrin have significantly improved islet function versus saline control. All animals that received PGC-HBEGF had significantly reduced islet insulitis versus saline control. Non-FBG was lower for Omeprazole + PGC-gastrin + PGC-HBEGF but Omeprazole + PGC-HBEGF alone showed better FBG and glucose tolerance. Conclusions Omeprazole + PGC-HBEGF provides a sustained exposure to both EGFRA and gastrin, improves islet function, and decreases insulitis in multiple low dose streptozotocin diabetic mice. Although HBEGF or EGF elevates non-FBG, it facilitates a reduction of insulitis and, in the presence of Omeprazole, provides normalization of FBG at the end of treatment. The study demonstrates Omeprazole and PGC-HBEGF is a viable treatment for diabetes.
doi_str_mv 10.1007/s11095-013-1112-6
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Methods HBEGF, PGC-HBEGF, Omeprazole, Omeprazole + PGC-HBEGF, Omeprazole + PGC-gastrin + PGC-HBEGF and epidermal growth factor (EGF) + gastrin were tested in multiple low dose streptozotocin diabetic mice. Results Omeprazole + PGC-HBEGF normalized FBG and is better than EGF + gastrin at improving islet function and decreasing insulitis. Groups treated with Omeprazole, Omeprazole + PGC-HBEGF, or EGF + gastrin have significantly improved islet function versus saline control. All animals that received PGC-HBEGF had significantly reduced islet insulitis versus saline control. Non-FBG was lower for Omeprazole + PGC-gastrin + PGC-HBEGF but Omeprazole + PGC-HBEGF alone showed better FBG and glucose tolerance. Conclusions Omeprazole + PGC-HBEGF provides a sustained exposure to both EGFRA and gastrin, improves islet function, and decreases insulitis in multiple low dose streptozotocin diabetic mice. Although HBEGF or EGF elevates non-FBG, it facilitates a reduction of insulitis and, in the presence of Omeprazole, provides normalization of FBG at the end of treatment. The study demonstrates Omeprazole and PGC-HBEGF is a viable treatment for diabetes.</description><identifier>ISSN: 0724-8741</identifier><identifier>EISSN: 1573-904X</identifier><identifier>DOI: 10.1007/s11095-013-1112-6</identifier><identifier>PMID: 23793991</identifier><identifier>CODEN: PHREEB</identifier><language>eng</language><publisher>Boston: Springer US</publisher><subject>Animals ; Biochemistry ; Biological and medical sciences ; Biomedical and Life Sciences ; Biomedical Engineering and Bioengineering ; Biomedicine ; Blood Glucose - analysis ; Copolymers ; Diabetes ; Diabetes Mellitus, Experimental - drug therapy ; Diabetes Mellitus, Experimental - pathology ; Diabetes. Impaired glucose tolerance ; Drug Carriers - chemistry ; Endocrine pancreas. Apud cells (diseases) ; Endocrinopathies ; Epidermal growth factor ; Etiopathogenesis. Screening. Investigations. Target tissue resistance ; Gastrins - administration &amp; dosage ; Gastrins - pharmacokinetics ; Gastrins - therapeutic use ; Glucose ; Heparin-binding EGF-like Growth Factor ; Intercellular Signaling Peptides and Proteins - administration &amp; dosage ; Intercellular Signaling Peptides and Proteins - pharmacokinetics ; Intercellular Signaling Peptides and Proteins - therapeutic use ; Male ; Medical Law ; Medical sciences ; Mice ; Nanostructures - chemistry ; Omeprazole - administration &amp; dosage ; Omeprazole - pharmacokinetics ; Omeprazole - therapeutic use ; Pancreas - drug effects ; Pancreas - pathology ; Pharmacology ; Pharmacology. 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Methods HBEGF, PGC-HBEGF, Omeprazole, Omeprazole + PGC-HBEGF, Omeprazole + PGC-gastrin + PGC-HBEGF and epidermal growth factor (EGF) + gastrin were tested in multiple low dose streptozotocin diabetic mice. Results Omeprazole + PGC-HBEGF normalized FBG and is better than EGF + gastrin at improving islet function and decreasing insulitis. Groups treated with Omeprazole, Omeprazole + PGC-HBEGF, or EGF + gastrin have significantly improved islet function versus saline control. All animals that received PGC-HBEGF had significantly reduced islet insulitis versus saline control. Non-FBG was lower for Omeprazole + PGC-gastrin + PGC-HBEGF but Omeprazole + PGC-HBEGF alone showed better FBG and glucose tolerance. Conclusions Omeprazole + PGC-HBEGF provides a sustained exposure to both EGFRA and gastrin, improves islet function, and decreases insulitis in multiple low dose streptozotocin diabetic mice. Although HBEGF or EGF elevates non-FBG, it facilitates a reduction of insulitis and, in the presence of Omeprazole, provides normalization of FBG at the end of treatment. The study demonstrates Omeprazole and PGC-HBEGF is a viable treatment for diabetes.</description><subject>Animals</subject><subject>Biochemistry</subject><subject>Biological and medical sciences</subject><subject>Biomedical and Life Sciences</subject><subject>Biomedical Engineering and Bioengineering</subject><subject>Biomedicine</subject><subject>Blood Glucose - analysis</subject><subject>Copolymers</subject><subject>Diabetes</subject><subject>Diabetes Mellitus, Experimental - drug therapy</subject><subject>Diabetes Mellitus, Experimental - pathology</subject><subject>Diabetes. Impaired glucose tolerance</subject><subject>Drug Carriers - chemistry</subject><subject>Endocrine pancreas. Apud cells (diseases)</subject><subject>Endocrinopathies</subject><subject>Epidermal growth factor</subject><subject>Etiopathogenesis. Screening. Investigations. Target tissue resistance</subject><subject>Gastrins - administration &amp; dosage</subject><subject>Gastrins - pharmacokinetics</subject><subject>Gastrins - therapeutic use</subject><subject>Glucose</subject><subject>Heparin-binding EGF-like Growth Factor</subject><subject>Intercellular Signaling Peptides and Proteins - administration &amp; dosage</subject><subject>Intercellular Signaling Peptides and Proteins - pharmacokinetics</subject><subject>Intercellular Signaling Peptides and Proteins - therapeutic use</subject><subject>Male</subject><subject>Medical Law</subject><subject>Medical sciences</subject><subject>Mice</subject><subject>Nanostructures - chemistry</subject><subject>Omeprazole - administration &amp; dosage</subject><subject>Omeprazole - pharmacokinetics</subject><subject>Omeprazole - therapeutic use</subject><subject>Pancreas - drug effects</subject><subject>Pancreas - pathology</subject><subject>Pharmacology</subject><subject>Pharmacology. 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Impaired glucose tolerance</topic><topic>Drug Carriers - chemistry</topic><topic>Endocrine pancreas. Apud cells (diseases)</topic><topic>Endocrinopathies</topic><topic>Epidermal growth factor</topic><topic>Etiopathogenesis. Screening. Investigations. Target tissue resistance</topic><topic>Gastrins - administration &amp; dosage</topic><topic>Gastrins - pharmacokinetics</topic><topic>Gastrins - therapeutic use</topic><topic>Glucose</topic><topic>Heparin-binding EGF-like Growth Factor</topic><topic>Intercellular Signaling Peptides and Proteins - administration &amp; dosage</topic><topic>Intercellular Signaling Peptides and Proteins - pharmacokinetics</topic><topic>Intercellular Signaling Peptides and Proteins - therapeutic use</topic><topic>Male</topic><topic>Medical Law</topic><topic>Medical sciences</topic><topic>Mice</topic><topic>Nanostructures - chemistry</topic><topic>Omeprazole - administration &amp; dosage</topic><topic>Omeprazole - pharmacokinetics</topic><topic>Omeprazole - therapeutic use</topic><topic>Pancreas - drug effects</topic><topic>Pancreas - pathology</topic><topic>Pharmacology</topic><topic>Pharmacology. Drug treatments</topic><topic>Pharmacology/Toxicology</topic><topic>Pharmacy</topic><topic>Polymers - chemistry</topic><topic>Research Paper</topic><topic>Streptozocin</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Castillo, Gerardo M.</creatorcontrib><creatorcontrib>Nishimoto-Ashfield, Akiko</creatorcontrib><creatorcontrib>Banerjee, Aryamitra A.</creatorcontrib><creatorcontrib>Landolfi, Jennifer A.</creatorcontrib><creatorcontrib>Lyubimov, Alexander V.</creatorcontrib><creatorcontrib>Bolotin, Elijah M.</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Nursing &amp; Allied Health Database</collection><collection>Neurosciences Abstracts</collection><collection>Health &amp; Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>ProQuest Pharma Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central</collection><collection>ProQuest One Community College</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Health &amp; Medical Complete (Alumni)</collection><collection>Nursing &amp; Allied Health Database (Alumni Edition)</collection><collection>Health &amp; Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Nursing &amp; Allied Health Premium</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><jtitle>Pharmaceutical research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Castillo, Gerardo M.</au><au>Nishimoto-Ashfield, Akiko</au><au>Banerjee, Aryamitra A.</au><au>Landolfi, Jennifer A.</au><au>Lyubimov, Alexander V.</au><au>Bolotin, Elijah M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Omeprazole and PGC-Formulated Heparin Binding Epidermal Growth Factor Normalizes Fasting Blood Glucose and Suppresses Insulitis in Multiple Low Dose Streptozotocin Diabetes Model</atitle><jtitle>Pharmaceutical research</jtitle><stitle>Pharm Res</stitle><addtitle>Pharm Res</addtitle><date>2013-11-01</date><risdate>2013</risdate><volume>30</volume><issue>11</issue><spage>2843</spage><epage>2854</epage><pages>2843-2854</pages><issn>0724-8741</issn><eissn>1573-904X</eissn><coden>PHREEB</coden><abstract>ABSTRACT Purpose Our objective was to develop novel nanocarriers (protected graft copolymer, PGC) that improve the stability of heparin binding EGF (HBEGF) and gastrin and then to use PGC-formulated HBEGF (PGC-HBEGF) and Omeprazole (+/− PGC-gastrin) for normalizing fasting blood glucose (FBG) and improving islet function in diabetic mice. Methods HBEGF, PGC-HBEGF, Omeprazole, Omeprazole + PGC-HBEGF, Omeprazole + PGC-gastrin + PGC-HBEGF and epidermal growth factor (EGF) + gastrin were tested in multiple low dose streptozotocin diabetic mice. Results Omeprazole + PGC-HBEGF normalized FBG and is better than EGF + gastrin at improving islet function and decreasing insulitis. Groups treated with Omeprazole, Omeprazole + PGC-HBEGF, or EGF + gastrin have significantly improved islet function versus saline control. All animals that received PGC-HBEGF had significantly reduced islet insulitis versus saline control. Non-FBG was lower for Omeprazole + PGC-gastrin + PGC-HBEGF but Omeprazole + PGC-HBEGF alone showed better FBG and glucose tolerance. Conclusions Omeprazole + PGC-HBEGF provides a sustained exposure to both EGFRA and gastrin, improves islet function, and decreases insulitis in multiple low dose streptozotocin diabetic mice. Although HBEGF or EGF elevates non-FBG, it facilitates a reduction of insulitis and, in the presence of Omeprazole, provides normalization of FBG at the end of treatment. The study demonstrates Omeprazole and PGC-HBEGF is a viable treatment for diabetes.</abstract><cop>Boston</cop><pub>Springer US</pub><pmid>23793991</pmid><doi>10.1007/s11095-013-1112-6</doi><tpages>12</tpages><oa>free_for_read</oa></addata></record>
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source MEDLINE; SpringerNature Journals
subjects Animals
Biochemistry
Biological and medical sciences
Biomedical and Life Sciences
Biomedical Engineering and Bioengineering
Biomedicine
Blood Glucose - analysis
Copolymers
Diabetes
Diabetes Mellitus, Experimental - drug therapy
Diabetes Mellitus, Experimental - pathology
Diabetes. Impaired glucose tolerance
Drug Carriers - chemistry
Endocrine pancreas. Apud cells (diseases)
Endocrinopathies
Epidermal growth factor
Etiopathogenesis. Screening. Investigations. Target tissue resistance
Gastrins - administration & dosage
Gastrins - pharmacokinetics
Gastrins - therapeutic use
Glucose
Heparin-binding EGF-like Growth Factor
Intercellular Signaling Peptides and Proteins - administration & dosage
Intercellular Signaling Peptides and Proteins - pharmacokinetics
Intercellular Signaling Peptides and Proteins - therapeutic use
Male
Medical Law
Medical sciences
Mice
Nanostructures - chemistry
Omeprazole - administration & dosage
Omeprazole - pharmacokinetics
Omeprazole - therapeutic use
Pancreas - drug effects
Pancreas - pathology
Pharmacology
Pharmacology. Drug treatments
Pharmacology/Toxicology
Pharmacy
Polymers - chemistry
Research Paper
Streptozocin
title Omeprazole and PGC-Formulated Heparin Binding Epidermal Growth Factor Normalizes Fasting Blood Glucose and Suppresses Insulitis in Multiple Low Dose Streptozotocin Diabetes Model
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