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Effects of EBN on embryo implantation, plasma concentrations of reproductive hormones, and uterine expressions of genes of PCNA, steroids, growth factors and their receptors in rats

This study was conducted to determine the effect of edible bird's nest (EBN) supplement on uterine function and embryo-implantation rate. A total of 24 adult female rats, divided equally into four groups, were treated with different doses of EBN for 8 weeks. In the last week of treatment, intac...

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Главные авторы: Albishtue, Abdulla A., Degu, Nurhusien Yimer, Abu Bakar @ Zakaria, Md Zuki, Haron, Abd Wahid, Babji, Abd Salam, Abubakar, Adamu Abdul, Almhanawi, Bahaa H.
Формат: Статья
Язык:English
Опубликовано: Elsevier 2019
Online-ссылка:http://psasir.upm.edu.my/id/eprint/79587/1/Effects%20of%20EBN.pdf
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spelling oai:psasir.upm.edu.my:79587 http://psasir.upm.edu.my/id/eprint/79587/ Effects of EBN on embryo implantation, plasma concentrations of reproductive hormones, and uterine expressions of genes of PCNA, steroids, growth factors and their receptors in rats Albishtue, Abdulla A. Degu, Nurhusien Yimer Abu Bakar @ Zakaria, Md Zuki Haron, Abd Wahid Babji, Abd Salam Abubakar, Adamu Abdul Almhanawi, Bahaa H. This study was conducted to determine the effect of edible bird's nest (EBN) supplement on uterine function and embryo-implantation rate. A total of 24 adult female rats, divided equally into four groups, were treated with different doses of EBN for 8 weeks. In the last week of treatment, intact fertile male rats were introduced into each group (three per group) for overnight for mating. On day 7 post-mating (post-implantation), blood samples were collected from the hearts of anaesthetised rats that were later sacrificed. The uteri were removed for assessment of embryo implantation rate, histological and electron microscopic examination, and immunohistochemical analyses. Results showed that as the concentration of EBN supplemented increased, the pregnancy and embryo implantation rates were also increased in the treated groups; significantly at G3 and G4. Although histological evaluation did not show much difference among the groups, scanning electron microscopic examination showed enhanced development of elongated microvilli and pinopods in G4. Results also revealed up-regulated expressions of epidermal growth factor (EGF), EGF receptor (EGFR), vascular endothelial growth factor (VEGF), proliferating cell nulear antigen (PCNA), and progesterone and estrogen receptors (P4R, E2R) in the uteri of treated groups. Moreover, plasma E2, P4, growth hormone (GH) and prolactin (P) levels were higher (p < 0.05) in G3 and G4. The EBN increased the antioxidant (AO) and total AO capacities (TAC) and reduced oxidative stress (OS) levels in pregnant rats. In conclusion, findings of this study revealed that EBN enhances fertility and embryo implantation rate via promoting proliferation and differentiation of uterine structures as evidenced by the upregulation of the expressions of steroid receptors, EGF, EGFR, VEGF, and PCNA in the uterus. Furthermore, observations of improved growth of ultrastructural pinopods that assist in embryo attachment with uterine epithelium, increased concentrations of E2, P4, GH and P levels, as well as increased AO capacities with reduced OS levels in the treated groups might reflect additional possible mechanisms by which EBN enhances embryo implantation rate and pregnancy success. Elsevier 2019 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/79587/1/Effects%20of%20EBN.pdf Albishtue, Abdulla A. and Degu, Nurhusien Yimer and Abu Bakar @ Zakaria, Md Zuki and Haron, Abd Wahid and Babji, Abd Salam and Abubakar, Adamu Abdul and Almhanawi, Bahaa H. (2019) Effects of EBN on embryo implantation, plasma concentrations of reproductive hormones, and uterine expressions of genes of PCNA, steroids, growth factors and their receptors in rats. Theriogenology, 126. pp. 310-319. ISSN 0093-691X https://www.sciencedirect.com/science/article/abs/pii/S0093691X18302668?via%3Dihub 10.1016/j.theriogenology.2018.12.026
institution UPM IR
collection UPM IR
language English
description This study was conducted to determine the effect of edible bird's nest (EBN) supplement on uterine function and embryo-implantation rate. A total of 24 adult female rats, divided equally into four groups, were treated with different doses of EBN for 8 weeks. In the last week of treatment, intact fertile male rats were introduced into each group (three per group) for overnight for mating. On day 7 post-mating (post-implantation), blood samples were collected from the hearts of anaesthetised rats that were later sacrificed. The uteri were removed for assessment of embryo implantation rate, histological and electron microscopic examination, and immunohistochemical analyses. Results showed that as the concentration of EBN supplemented increased, the pregnancy and embryo implantation rates were also increased in the treated groups; significantly at G3 and G4. Although histological evaluation did not show much difference among the groups, scanning electron microscopic examination showed enhanced development of elongated microvilli and pinopods in G4. Results also revealed up-regulated expressions of epidermal growth factor (EGF), EGF receptor (EGFR), vascular endothelial growth factor (VEGF), proliferating cell nulear antigen (PCNA), and progesterone and estrogen receptors (P4R, E2R) in the uteri of treated groups. Moreover, plasma E2, P4, growth hormone (GH) and prolactin (P) levels were higher (p < 0.05) in G3 and G4. The EBN increased the antioxidant (AO) and total AO capacities (TAC) and reduced oxidative stress (OS) levels in pregnant rats. In conclusion, findings of this study revealed that EBN enhances fertility and embryo implantation rate via promoting proliferation and differentiation of uterine structures as evidenced by the upregulation of the expressions of steroid receptors, EGF, EGFR, VEGF, and PCNA in the uterus. Furthermore, observations of improved growth of ultrastructural pinopods that assist in embryo attachment with uterine epithelium, increased concentrations of E2, P4, GH and P levels, as well as increased AO capacities with reduced OS levels in the treated groups might reflect additional possible mechanisms by which EBN enhances embryo implantation rate and pregnancy success.
format Article
author Albishtue, Abdulla A.
Degu, Nurhusien Yimer
Abu Bakar @ Zakaria, Md Zuki
Haron, Abd Wahid
Babji, Abd Salam
Abubakar, Adamu Abdul
Almhanawi, Bahaa H.
spellingShingle Albishtue, Abdulla A.
Degu, Nurhusien Yimer
Abu Bakar @ Zakaria, Md Zuki
Haron, Abd Wahid
Babji, Abd Salam
Abubakar, Adamu Abdul
Almhanawi, Bahaa H.
Effects of EBN on embryo implantation, plasma concentrations of reproductive hormones, and uterine expressions of genes of PCNA, steroids, growth factors and their receptors in rats
author_facet Albishtue, Abdulla A.
Degu, Nurhusien Yimer
Abu Bakar @ Zakaria, Md Zuki
Haron, Abd Wahid
Babji, Abd Salam
Abubakar, Adamu Abdul
Almhanawi, Bahaa H.
author_sort Albishtue, Abdulla A.
title Effects of EBN on embryo implantation, plasma concentrations of reproductive hormones, and uterine expressions of genes of PCNA, steroids, growth factors and their receptors in rats
title_short Effects of EBN on embryo implantation, plasma concentrations of reproductive hormones, and uterine expressions of genes of PCNA, steroids, growth factors and their receptors in rats
title_full Effects of EBN on embryo implantation, plasma concentrations of reproductive hormones, and uterine expressions of genes of PCNA, steroids, growth factors and their receptors in rats
title_fullStr Effects of EBN on embryo implantation, plasma concentrations of reproductive hormones, and uterine expressions of genes of PCNA, steroids, growth factors and their receptors in rats
title_full_unstemmed Effects of EBN on embryo implantation, plasma concentrations of reproductive hormones, and uterine expressions of genes of PCNA, steroids, growth factors and their receptors in rats
title_sort effects of ebn on embryo implantation, plasma concentrations of reproductive hormones, and uterine expressions of genes of pcna, steroids, growth factors and their receptors in rats
publisher Elsevier
publishDate 2019
url http://psasir.upm.edu.my/id/eprint/79587/1/Effects%20of%20EBN.pdf
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score 13.4562235

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