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Rosati L, Chianese T, De Gregorio V, Verderame M, Raggio A, Motta CM, Scudiero R. Glyphosate Interference in Follicular Organization in the Wall Lizard Podarcis siculus. Int J Mol Sci 2023; 24:ijms24087363. [PMID: 37108525 PMCID: PMC10138419 DOI: 10.3390/ijms24087363] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 04/12/2023] [Accepted: 04/13/2023] [Indexed: 04/29/2023] Open
Abstract
Glyphosate (Gly) is a broad-spectrum herbicide widely used thanks to its high efficiency and low toxicity. However, evidence exists of its toxic effects on non-target organisms. Among these, the animals inhabiting agricultural fields are particularly threatened. Recent studies demonstrated that exposure to Gly markedly affected the morphophysiology of the liver and testis of the Italian field lizard Podarcis siculus. The present study aimed to investigate the effects of the herbicide on the female reproductive system of this lizard in order to have a full picture of Gly-induced reproductive impairment. The animals were exposed to 0.05 and 0.5 μg/kg of pure Gly by gavage for 3 weeks. The results demonstrated that Gly, at both doses tested, profoundly interfered with ovarian function. It induced germ cells' recruitment and altered follicular anatomy by anticipating apoptotic regression of the pyriform cells. It also induced thecal fibrosis and affected oocyte cytoplasm and zona pellucida organizations. At the functional levels, Gly stimulated the synthesis of estrogen receptors, suggesting a serious endocrine-disrupting effect. Overall, the follicular alterations, combined with those found at the level of the seminiferous tubules in males, suggest serious damage to the reproductive fitness of these non-target organisms, which over time could lead to a decline in survival.
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Affiliation(s)
- Luigi Rosati
- Department of Biology, University Federico II, Via Cintia 21, 80126 Napoli, Italy
| | - Teresa Chianese
- Department of Biology, University Federico II, Via Cintia 21, 80126 Napoli, Italy
| | - Vincenza De Gregorio
- Department of Biology, University Federico II, Via Cintia 21, 80126 Napoli, Italy
| | - Mariailaria Verderame
- Department of Human, Philosophic and Education Sciences (DISUFF), University of Salerno, 84084 Fisciano, Italy
| | - Anja Raggio
- Department of Biology, University Federico II, Via Cintia 21, 80126 Napoli, Italy
| | - Chiara Maria Motta
- Department of Biology, University Federico II, Via Cintia 21, 80126 Napoli, Italy
| | - Rosaria Scudiero
- Department of Biology, University Federico II, Via Cintia 21, 80126 Napoli, Italy
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Cheng Y, Inoue N, Matsuda-Minehata F, Goto Y, Maeda A, Manabe N. Changes in Expression and Localization of Connexin 43 mRNA and Protein in Porcine Ovary Granulosa Cells during Follicular Atresia. J Reprod Dev 2005; 51:627-37. [PMID: 16034189 DOI: 10.1262/jrd.17035] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Gap junctions contain channels that connect neighboring cells by allowing the movement of molecules smaller than 1,200 Da. They are formed by connexins and may play a crucial role in the regulation of apoptotic cell death. To determine the role of connexin 43 (Cx43), which is dominantly expressed in granulosa cells, in the regulation of granulosa cell apoptosis during follicular atresia, we examined the changes in the expression and localization of Cx43 mRNA and protein in granulosa cells during atresia using the quantitative real-time revese transcription-polymerase chain reaction, in situ hybridization, Western blot, and immunohistochemistry. Stages of follicular atresia were assessed based on histochemical terminal deoxynucleotidyl transferase-mediated biotinylated deoxyuridine triphosphate nick end-labeling (TUNEL) and/or the ratio of progesterone and 17beta-estradiol levels in follicular fluid measured by radioimmunoassay. Cx43 mRNA was detected in granulosa cells of secondary follicles and of healthy, early and progressed atretic tertiary follicles, but not in those of primordial or primary follicles. Both phosphorylated/activated and non-phosphorylated/native Cx43 proteins were detected in granulosa cells of secondary and tertiary follicles, but not in those of primordial or primary follicles. Moreover, in tertiary follicles, these Cx43 proteins were expressed most strongly in granulosa cells of healthy follicles, but only trace levels were noted in cells of early atretic and progressed atretic follicles, an indication that the expression levels of Cx43 protein decrease during follicular atresia. These findings indicate that Cx43 is involved in the apoptosis of granulosa cells during atresia in porcine ovaries.
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Affiliation(s)
- Yuan Cheng
- Research Unit for Animal Life Sciences, Animal Resource Science Center, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Ibaraki-Iwama, Japan
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Nozaki H, Miyamoto A, Hayashi KG, Matsui M, Yoshida T, Nakamura T, Arai I, Urashima T. N-Acetylglucosaminyltransferase I Activity in Bovine Ovarian Follicular Fluids from Dominant and Atretic Follicles. J Appl Glycosci (1999) 2004. [DOI: 10.5458/jag.51.315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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TAJIMA C, MANABE N, INOUE N, MATSUI T, KAGAWA N, HONDO E, MIYANO T, RATKY J, MIYAMOTO H. A Monoclonal Antibody Recognizes Follicular Granulosa Cell Antigens in Porcine Ovaries. J Reprod Dev 2002. [DOI: 10.1262/jrd.48.567] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- Chiemi TAJIMA
- Unit of Anatomy and Cell Biology, Department of Animal Sciences, Kyoto University
| | - Noboru MANABE
- Unit of Anatomy and Cell Biology, Department of Animal Sciences, Kyoto University
| | - Naoko INOUE
- Unit of Anatomy and Cell Biology, Department of Animal Sciences, Kyoto University
| | - Toshikatsu MATSUI
- Unit of Anatomy and Cell Biology, Department of Animal Sciences, Kyoto University
| | - Noriko KAGAWA
- Unit of Anatomy and Cell Biology, Department of Animal Sciences, Kyoto University
| | - Eiichi HONDO
- Department of Veterinary Anatomy, Faculty of Agriculture, Yamaguchi University
| | | | - Jozsef RATKY
- Research Institute for Animal Breeding and Nutrition
| | - Hajime MIYAMOTO
- Unit of Anatomy and Cell Biology, Department of Animal Sciences, Kyoto University
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Tamura K, Manabe N, Uchio K, Miyamoto M, Yamaguchi M, Ogura A, Yamamoto Y, Nagano N, Furuya Y, Miyamoto H. Characteristic changes in carbohydrate profile in the kidneys of hereditary nephrotic mice (ICGN strain). J Vet Med Sci 2000; 62:379-90. [PMID: 10823724 DOI: 10.1292/jvms.62.379] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
The ICR-derived glomerulonephritis (ICGN) mice consist of heterozygous and homozygous groups and are considered to be a good model for human idiopathic nephrotic syndrome. To reveal changes in cell-surface carbohydrate construction, 24 lectins were applied to kidney sections of 10-, 30- and 50-week-old male heterozygous and homozygous ICGN mice and age-matched male ICR mice. Bandeiraea simplicifolia lectin-I (BSL-I), which specifically binds to alpha-D-galactopyranosyl groups, showed positive staining in the glomeruli of ICGN mice, but not in those of ICR mice. Positive BSL-I staining was observed only in distal tubules of homozygous ICGN mice. Lectin blotting for BSL-I demonstrated characteristic glycoproteins (45, 58 and 64 kD) in ICGN but not in ICR mice, and the levels of these molecules augmented in homozygous ICGN mice with the progression of renal failure. Moreover, succinylated wheat germ agglutinin, Dolichos biflorus agglutinin, Aleuria aurantia lectin and Ulex europaeus agglutinin-I showed positive staining only in the glomeruli of homozygous ICGN mice, but not in those of heterozygous ICGN or ICR mice. The staining intensities of Ricinus communis agglutinin-I, Phaseolus vulgaris agglutinin-E and -L, Lens culinaris agglutinin and Erythrina cristagalli agglutinin (ECL) in the glomeruli of homozygous ICGN mice were stronger than those of heterozygous ICGN and ICR mice. In conclusion, lectin histochemistry provided useful information for the diagnosis and prognosis of nephrotic lesions. Characteristic BSL-I binding glycoproteins may be pathogenic factors which cause renal disease in ICGN mice and are good tools to investigate the molecular mechanism of renal disorders in ICGN mice.
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Affiliation(s)
- K Tamura
- Department of Animal Sciences, Kyoto University, Japan
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NAKAYAMA M, MANABE N, NISHIHARA S, MIYAMOTO H. Species-specific Differences in Apoptotic Cell Localization in Granulosa and Theca Interna Cells during Follicular Atresia in Porcine and Bovine Ovaries. J Reprod Dev 2000. [DOI: 10.1262/jrd.46.147] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- Mizuho NAKAYAMA
- Unit of Anatomy and Cell Biology, Department of Animal Sciences,
| | - Noboru MANABE
- Unit of Anatomy and Cell Biology, Department of Animal Sciences,
| | - Susumu NISHIHARA
- Unit of Anatomy and Cell Biology, Department of Animal Sciences,
| | - Hajime MIYAMOTO
- Unit of Anatomy and Cell Biology, Department of Animal Sciences,
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Sugimoto M, Manabe N, Morita M, Miyamoto H. Comparison of Nuclear Magnetic Resonance Microimages and Histology of Rat Ovaries. J Reprod Dev 2000. [DOI: 10.1262/jrd.46.57] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- Miki Sugimoto
- Laboratory of Anatomy and Cell Biology, Graduate School of Agriculture, Kyoto University, Kyoto 606-8502, Japan
| | - Noboru Manabe
- Laboratory of Anatomy and Cell Biology, Graduate School of Agriculture, Kyoto University, Kyoto 606-8502, Japan
| | - Maki Morita
- Laboratory of Anatomy and Cell Biology, Graduate School of Agriculture, Kyoto University, Kyoto 606-8502, Japan
| | - Hajime Miyamoto
- Laboratory of Anatomy and Cell Biology, Graduate School of Agriculture, Kyoto University, Kyoto 606-8502, Japan
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Kimura Y, Manabe N, Nishihara S, Matsushita H, Tajima C, Wada S, Miyamoto H. Up-regulation of the alpha2,6-sialyltransferase messenger ribonucleic acid increases glycoconjugates containing alpha2, 6-linked sialic acid residues in granulosa cells during follicular atresia of porcine ovaries. Biol Reprod 1999; 60:1475-82. [PMID: 10330108 DOI: 10.1095/biolreprod60.6.1475] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
Abstract
The sugar chains in cellular glycoconjugates have many biological functions. Extensive morphological development and remodeling occur in the ovary of female animals. This caused us to study glycobiological characteristics of ovarian cells, particularly granulosa cells that undergo apoptosis during follicular atresia. The lectin Sambucus sieboldiana agglutinin (SSA) specific for Siaalpha2,6Gal/GalNAc showed positive staining for granulosa cells only in atretic follicles of porcine ovaries by lectin histochemistry. Lectin blot analysis for SSA demonstrated specific glycoproteins only in atretic follicles. Furthermore, we performed analysis of backbone structures of SSA-positive glycans carried by granulosa cell glycoproteins increased during atresia by glycosidase treatment. Most of these structures were Siaalpha2,6Galbeta1,4GlcNAc on complex-type N-glycans, suggesting that only ST6Gal I of four distinct alpha2,6-sialyltransferases catalyzes alpha2,6-sialic acid transfer in most of the increased glycoproteins of granulosa cells during follicular atresia. Reverse transcription-polymerase chain reaction analysis demonstrated that the expression of ST6Gal I mRNA was up-regulated in granulosa cells during atresia. These results suggested that the alteration of glycoconjugates by ST6Gal I in granulosa cells during atresia is involved in some processes of ovarian follicular atresia and granulosa cell apoptosis.
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Affiliation(s)
- Y Kimura
- Unit of Anatomy and Cell Biology, Department of Animal Sciences, Kyoto University, Kyoto 606-8502, Japan
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SUGIMOTO M, MANABE N, KIMURA Y, MYOUMOTO A, IMAI Y, OHNO H, MIYAMOTO H. Ultrastructural Changes in Granulosa Cells in Porcine Antral Follicles Undergoing Atresia Indicate Apoptotic Cell Death. J Reprod Dev 1998. [DOI: 10.1262/jrd.44.7] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- Miki SUGIMOTO
- Unit of Anatomy and Cell Biology, Department of Animal Sciences, Kyoto University, Kyoto 606-8502, Japan
| | - Noboru MANABE
- Unit of Anatomy and Cell Biology, Department of Animal Sciences, Kyoto University, Kyoto 606-8502, Japan
| | - Yoshihiro KIMURA
- Unit of Anatomy and Cell Biology, Department of Animal Sciences, Kyoto University, Kyoto 606-8502, Japan
| | - Akira MYOUMOTO
- Unit of Anatomy and Cell Biology, Department of Animal Sciences, Kyoto University, Kyoto 606-8502, Japan
| | - Yuzuru IMAI
- Unit of Anatomy and Cell Biology, Department of Animal Sciences, Kyoto University, Kyoto 606-8502, Japan
| | - Hiroko OHNO
- Unit of Anatomy and Cell Biology, Department of Animal Sciences, Kyoto University, Kyoto 606-8502, Japan
| | - Hajime MIYAMOTO
- Unit of Anatomy and Cell Biology, Department of Animal Sciences, Kyoto University, Kyoto 606-8502, Japan
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