| Adverse effects of advanced glycation end products on embryonal development. | |
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MedLine Citation:
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PMID: 18464885 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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We studied the effects of advanced glycation end products (AGEs), which are known to accumulate in patients with diabetes, autoimmune diseases, or those who smoke, on embryonal development. Pronuclear (PN) embryos were obtained by flushing the fallopian tubes of rats after superovulation and mating. The cleavage rate and blastocyst yield were evaluated at 24, 72, 96, and 120 h of culture. Glyoxal, an AGE-forming aldehyde, suppressed embryonal development at every stage from PN to blastocyst in a concentration-dependent manner. The cleavage rate of the embryo was also signifi cantly decreased by treatment with glyoxal at concentrations of 1 mM or higher. The blastocyst yield was significantly decreased by treatment with glyoxal at concentrations of 0.5 mM or higher. N-acetyl-L-cysteine (L-NAC) at 1 mM significantly suppressed the glyoxal-induced embryonal toxicity. BSA-AGEs at 5 microg/ml or higher concentration signifi cantly reduced the cleavage rate and blastocyst yield compared to those for BSA-treated embryos. L-NAC at 1 mM significantly suppressed BSAAGE-induced embryonal toxicity. Because AGEs are embryo-toxic, AGE contamination may influence the pregnancy rate of in vitro fertilization and embryo transfer. AGEs, which are increased in women under pathological conditions, may also be involved in their infertility. |
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Authors:
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Lin Hao; Soichi Noguchi; Yasuhiko Kamada; Aiko Sasaki; Miwa Matsuda; Keiko Shimizu; Yuji Hiramatsu; Mikiya Nakatsuka |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Acta medica Okayama Volume: 62 ISSN: 0386-300X ISO Abbreviation: Acta Med. Okayama Publication Date: 2008 Apr |
Date Detail:
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Created Date: 2008-05-09 Completed Date: 2008-06-17 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0417611 Medline TA: Acta Med Okayama Country: Japan |
Other Details:
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Languages: eng Pagination: 93-9 Citation Subset: IM |
Affiliation:
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Department of Obstetrics and Gynecology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Animals Embryo, Mammalian / cytology, drug effects*, physiology Female Gestational Age Glycosylation End Products, Advanced / metabolism, pharmacology* Glyoxal / metabolism, pharmacology* Humans Male Pregnancy Rats Rats, Sprague-Dawley |
| Chemical | |
Reg. No./Substance:
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0/Glycosylation End Products, Advanced; 107-22-2/Glyoxal |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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