Abstract:
:Maternal diabetes mellitus is associated with increased fetal teratogenesis, including cardiovascular defects. Non-specific maternal immune stimulation with Freund's complete adjuvant (FCA) or interferon gamma (IFNgamma) has been associated with protection against birth malformations. Using a diabetic mouse model, late-gestation fetal heart and great vessel morphology were analyzed. Four groups of mice were used: non-diabetic females as a control group, hyperglycemic females induced by streptozotocin as a diabetic group, and diabetic females injected either with FCA or IFNgamma. At day 17 of gestation, females were euthanized and one fetus was arbitrarily selected per litter for fixation and sectioning. Treatment-induced changes in cardiac development were assessed from digital images of serial sections taken at standardized levels in the thorax. One-way parametric and non-parametric ANOVA and ordinal logistic regression were performed to compare the difference among groups (P<0.05). Maternal hyperglycemia altered morphology of the late-gestation fetal mouse heart by causing ventricular chamber dilation, sectional myocardial reduction, and an increase in transversal aortic area. FCA protected the fetal heart from cavitary dilation in diabetic mothers. FCA and IFNgamma protected the fetal heart against reduction of myocardial area, and ascending thoracic aorta dilation. Consequences of late gestation heart chamber dilation and myocardial reduction are not yet known. Maternal immune stimulation partially protected against these developmental defects by mechanisms that remain unclear.
journal_name
Congenit Anom (Kyoto)journal_title
Congenital anomaliesauthors
Claudio Gutierrez J,Prater MR,Hrubec TC,Smith BJ,Freeman LE,Holladay SDdoi
10.1111/j.1741-4520.2008.00213.xsubject
Has Abstractpub_date
2009-03-01 00:00:00pages
1-7issue
1eissn
0914-3505issn
1741-4520pii
CGA213journal_volume
49pub_type
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pub_type: 杂志文章,评审
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journal_title:Congenital anomalies
pub_type: 杂志文章,评审
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journal_title:Congenital anomalies
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doi:10.1111/cga.12212
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journal_title:Congenital anomalies
pub_type: 杂志文章
doi:10.1111/j.1741-4520.2010.00281.x
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pub_type: 杂志文章
doi:10.1111/j.1741-4520.2002.tb00862.x
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pub_type: 杂志文章,评审
doi:10.1111/cga.12273
更新日期:2018-11-01 00:00:00
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journal_title:Congenital anomalies
pub_type: 杂志文章
doi:10.1111/cga.12276
更新日期:2018-07-01 00:00:00
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pub_type: 杂志文章
doi:10.1111/j.1741-4520.2006.00140.x
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