Identification of Site of Morphine Action in Pregnant Wistar Rat Placenta Tissue: A C14-Morphine Study
Objective: In previous studies it has been emphasized that the site of morphine action may be either in the embryo or the placenta. In the present study, we attempt to identify the site of morphine action on the fetal section of Wistar rat placenta by using C14-morphine.Materials and Methods: In thi...
Main Authors: | , , |
---|---|
Format: | Article |
Language: | English |
Published: |
Royan Institute (ACECR), Tehran
2012-01-01
|
Series: | Cell Journal |
Subjects: | |
Online Access: | http://celljournal.org/library/upload/article/af_2532223837372225333275362443345244662346kazemi.pdf |
id |
doaj-5f2d002a55e349fcbbefaa9b8ebc137d |
---|---|
record_format |
Article |
spelling |
doaj-5f2d002a55e349fcbbefaa9b8ebc137d2020-11-25T02:05:59ZengRoyan Institute (ACECR), TehranCell Journal2228-58062228-58142012-01-01142122129Identification of Site of Morphine Action in Pregnant Wistar Rat Placenta Tissue: A C14-Morphine StudyLeila DehghaniHedayat SahraeiMasoomeh KazemiObjective: In previous studies it has been emphasized that the site of morphine action may be either in the embryo or the placenta. In the present study, we attempt to identify the site of morphine action on the fetal section of Wistar rat placenta by using C14-morphine.Materials and Methods: In this study (experimental), female Wistar rats (weights: 170-200 g) were mated with male rats and their coupling times recorded. Experimental groups received daily doses of 0.05 mg/ml of C14-morphine in their drinking water. On the 9th and14th embryonic days, the pregnant rats were anesthetized and the placenta and uterus surgically removed. Placentas were fixed in 10% formalin for two weeks, then processed, sectioned in 5 μm and 25 μm thicknesses, and fixed on glass slides for further evaluation. The 25 μm sections were delivered to black and white film for three days. Films were processed and evaluated with a digital inverse microscope for possible radiological impression. The 5 μm sections were processed for hematoxylin and eosin (H&E) staining, and evaluated by light microscope and MOTIC software.Results: Our results indicated that the site of action of C14-morphine was possibly located on the blood plexus of the fetal portion of the placenta. In addition, oral morphine consumption was shown to inhibit fetal and maternal placental development in the experimental groups.Conclusion: We conclude that morphine’s effectiveness on the reduction of embryo growth and development may be via its effects on the blood plexus of the fetal section of the placenta.http://celljournal.org/library/upload/article/af_2532223837372225333275362443345244662346kazemi.pdfPlacenta DevelopmentC14-MorphineRat |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Leila Dehghani Hedayat Sahraei Masoomeh Kazemi |
spellingShingle |
Leila Dehghani Hedayat Sahraei Masoomeh Kazemi Identification of Site of Morphine Action in Pregnant Wistar Rat Placenta Tissue: A C14-Morphine Study Cell Journal Placenta Development C14-Morphine Rat |
author_facet |
Leila Dehghani Hedayat Sahraei Masoomeh Kazemi |
author_sort |
Leila Dehghani |
title |
Identification of Site of Morphine Action in Pregnant Wistar Rat Placenta Tissue: A C14-Morphine Study |
title_short |
Identification of Site of Morphine Action in Pregnant Wistar Rat Placenta Tissue: A C14-Morphine Study |
title_full |
Identification of Site of Morphine Action in Pregnant Wistar Rat Placenta Tissue: A C14-Morphine Study |
title_fullStr |
Identification of Site of Morphine Action in Pregnant Wistar Rat Placenta Tissue: A C14-Morphine Study |
title_full_unstemmed |
Identification of Site of Morphine Action in Pregnant Wistar Rat Placenta Tissue: A C14-Morphine Study |
title_sort |
identification of site of morphine action in pregnant wistar rat placenta tissue: a c14-morphine study |
publisher |
Royan Institute (ACECR), Tehran |
series |
Cell Journal |
issn |
2228-5806 2228-5814 |
publishDate |
2012-01-01 |
description |
Objective: In previous studies it has been emphasized that the site of morphine action may be either in the embryo or the placenta. In the present study, we attempt to identify the site of morphine action on the fetal section of Wistar rat placenta by using C14-morphine.Materials and Methods: In this study (experimental), female Wistar rats (weights: 170-200 g) were mated with male rats and their coupling times recorded. Experimental groups received daily doses of 0.05 mg/ml of C14-morphine in their drinking water. On the 9th and14th embryonic days, the pregnant rats were anesthetized and the placenta and uterus surgically removed. Placentas were fixed in 10% formalin for two weeks, then processed, sectioned in 5 μm and 25 μm thicknesses, and fixed on glass slides for further evaluation. The 25 μm sections were delivered to black and white film for three days. Films were processed and evaluated with a digital inverse microscope for possible radiological impression. The 5 μm sections were processed for hematoxylin and eosin (H&E) staining, and evaluated by light microscope and MOTIC software.Results: Our results indicated that the site of action of C14-morphine was possibly located on the blood plexus of the fetal portion of the placenta. In addition, oral morphine consumption was shown to inhibit fetal and maternal placental development in the experimental groups.Conclusion: We conclude that morphine’s effectiveness on the reduction of embryo growth and development may be via its effects on the blood plexus of the fetal section of the placenta. |
topic |
Placenta Development C14-Morphine Rat |
url |
http://celljournal.org/library/upload/article/af_2532223837372225333275362443345244662346kazemi.pdf |
work_keys_str_mv |
AT leiladehghani identificationofsiteofmorphineactioninpregnantwistarratplacentatissueac14morphinestudy AT hedayatsahraei identificationofsiteofmorphineactioninpregnantwistarratplacentatissueac14morphinestudy AT masoomehkazemi identificationofsiteofmorphineactioninpregnantwistarratplacentatissueac14morphinestudy |
_version_ |
1724935786375151616 |