Expression of ABC Efflux transporters in placenta from women with insulin-managed diabetes

Drug efflux transporters in the placenta can significantly influence the materno-fetal transfer of a diverse array of drugs and other xenobiotics. To determine if clinically important drug efflux transporter expression is altered in pregnancies complicated by gestational diabetes mellitus (GDM-I) or...

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Veröffentlicht in:PloS one 2012-04, Vol.7 (4), p.e35027-e35027
Hauptverfasser: Anger, Gregory J, Cressman, Alex M, Piquette-Miller, Micheline
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description Drug efflux transporters in the placenta can significantly influence the materno-fetal transfer of a diverse array of drugs and other xenobiotics. To determine if clinically important drug efflux transporter expression is altered in pregnancies complicated by gestational diabetes mellitus (GDM-I) or type 1 diabetes mellitus (T1DM-I), we compared the expression of multidrug resistance protein 1 (MDR1), multidrug resistance-associated protein 2 (MRP2) and the breast cancer resistance protein (BCRP) via western blotting and quantitative real-time polymerase chain reaction in samples obtained from insulin-managed diabetic pregnancies to healthy term-matched controls. At the level of mRNA, we found significantly increased expression of MDR1 in the GDM-I group compared to both the T1DM-I (p
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To determine if clinically important drug efflux transporter expression is altered in pregnancies complicated by gestational diabetes mellitus (GDM-I) or type 1 diabetes mellitus (T1DM-I), we compared the expression of multidrug resistance protein 1 (MDR1), multidrug resistance-associated protein 2 (MRP2) and the breast cancer resistance protein (BCRP) via western blotting and quantitative real-time polymerase chain reaction in samples obtained from insulin-managed diabetic pregnancies to healthy term-matched controls. At the level of mRNA, we found significantly increased expression of MDR1 in the GDM-I group compared to both the T1DM-I (p&lt;0.01) and control groups (p&lt;0.05). Significant changes in the placental protein expression of MDR1, MRP2, and BCRP were not detected (p&gt;0.05). 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To determine if clinically important drug efflux transporter expression is altered in pregnancies complicated by gestational diabetes mellitus (GDM-I) or type 1 diabetes mellitus (T1DM-I), we compared the expression of multidrug resistance protein 1 (MDR1), multidrug resistance-associated protein 2 (MRP2) and the breast cancer resistance protein (BCRP) via western blotting and quantitative real-time polymerase chain reaction in samples obtained from insulin-managed diabetic pregnancies to healthy term-matched controls. At the level of mRNA, we found significantly increased expression of MDR1 in the GDM-I group compared to both the T1DM-I (p&lt;0.01) and control groups (p&lt;0.05). Significant changes in the placental protein expression of MDR1, MRP2, and BCRP were not detected (p&gt;0.05). 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metabolism</topic><topic>ATP-Binding Cassette, Sub-Family B, Member 1 - metabolism</topic><topic>BCRP protein</topic><topic>Biology</topic><topic>Blotting, Western</topic><topic>Breast cancer</topic><topic>Cytochrome</topic><topic>Diabetes</topic><topic>Diabetes mellitus</topic><topic>Diabetes Mellitus, Type 1 - metabolism</topic><topic>Diabetes therapy</topic><topic>Diabetes, Gestational - metabolism</topic><topic>DNA Primers - genetics</topic><topic>DNA, Complementary - biosynthesis</topic><topic>Drug dosages</topic><topic>Drugs</topic><topic>Efflux</topic><topic>Enzymes</topic><topic>Female</topic><topic>Fetuses</topic><topic>Gene expression</topic><topic>Gene Expression Regulation - physiology</topic><topic>Gestational diabetes</topic><topic>Glucose</topic><topic>Glycated Hemoglobin A - metabolism</topic><topic>Glycosylated hemoglobin</topic><topic>Hemoglobin</topic><topic>HIV</topic><topic>Hospitals</topic><topic>Human immunodeficiency virus</topic><topic>Humans</topic><topic>Hyperglycemia</topic><topic>Insulin</topic><topic>Localization</topic><topic>MDR1 protein</topic><topic>Medicine</topic><topic>Metabolism</topic><topic>Metabolites</topic><topic>Microbial drug resistance</topic><topic>Multidrug resistance</topic><topic>Multidrug Resistance-Associated Proteins - 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Interestingly, there was a significant, positive correlation observed between plasma hemoglobin A1c levels (a retrospective marker of glycemic control) and both BCRP protein expression (r = 0.45, p&lt;0.05) and BCRP mRNA expression (r = 0.58, p&lt;0.01) in the insulin-managed DM groups. Collectively, the data suggest that the expression of placental efflux transporters is not altered in pregnancies complicated by diabetes when hyperglycemia is managed; however, given the relationship between BCRP expression and plasma hemoglobin A1c levels it is plausible that their expression could change in poorly managed diabetes.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>22558111</pmid><doi>10.1371/journal.pone.0035027</doi><tpages>e35027</tpages><oa>free_for_read</oa></addata></record>
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subjects ABC transporters
Analysis of Variance
ATP Binding Cassette Transporter, Sub-Family B
ATP Binding Cassette Transporter, Sub-Family G, Member 2
ATP-Binding Cassette Transporters - metabolism
ATP-Binding Cassette, Sub-Family B, Member 1 - metabolism
BCRP protein
Biology
Blotting, Western
Breast cancer
Cytochrome
Diabetes
Diabetes mellitus
Diabetes Mellitus, Type 1 - metabolism
Diabetes therapy
Diabetes, Gestational - metabolism
DNA Primers - genetics
DNA, Complementary - biosynthesis
Drug dosages
Drugs
Efflux
Enzymes
Female
Fetuses
Gene expression
Gene Expression Regulation - physiology
Gestational diabetes
Glucose
Glycated Hemoglobin A - metabolism
Glycosylated hemoglobin
Hemoglobin
HIV
Hospitals
Human immunodeficiency virus
Humans
Hyperglycemia
Insulin
Localization
MDR1 protein
Medicine
Metabolism
Metabolites
Microbial drug resistance
Multidrug resistance
Multidrug Resistance-Associated Proteins - metabolism
Neoplasm Proteins - metabolism
Obstetrics
Ontario
P-Glycoprotein
Patients
Pharmaceutical sciences
Pharmacology
Pharmacy
Placenta
Placenta - metabolism
Polymerase chain reaction
Pregnancy
Proteins
Real-Time Polymerase Chain Reaction
RNA
Rodents
Toxicology
Tumors
Type 1 diabetes
Type 2 diabetes
Western blotting
Womens health
Xenobiotics
title Expression of ABC Efflux transporters in placenta from women with insulin-managed diabetes
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