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Chaichian S, Khodabandehloo F, Haghighi L, Govahi A, Mehdizadeh M, Ajdary M, Varma RS. Toxicological Impact of Bisphenol A on Females' Reproductive System: Review Based on Experimental and Epidemiological Studies. Reprod Sci 2024; 31:1781-1799. [PMID: 38532232 DOI: 10.1007/s43032-024-01521-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Accepted: 03/13/2024] [Indexed: 03/28/2024]
Abstract
The study encompassing research papers documented in the last two decades pertaining to the possible influence of bisphenol A (BPA) on the fertility of females are appraised with emphasis on the influence of BPA in reproductive organs (uterus and ovaries) and pregnancy outcomes including discussion on the reproductive process (implantation, estrous cycle, hormone secretion); outcomes reveal a connection amongst BPA and female infertility. Ovary, uterus, and its shape as well as function can alter a person's ability to become pregnant by influencing the hypothalamus-pituitary axis in the ovarian model. Additionally, implantation and the estrous cycle may be affected by BPA. However, more research is warranted to comprehend the underlying action mechanisms and to promptly identify any imminent reproductive harm.
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Affiliation(s)
- Shahla Chaichian
- Endometriosis Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Fatemeh Khodabandehloo
- Department of Genetics and Advanced Medical Technology, Faculty of Medicine, AJA University of Medical Sciences, Tehran, Iran
| | - Ladan Haghighi
- Endometriosis Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Azam Govahi
- Endometriosis Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Mehdi Mehdizadeh
- Reproductive Sciences and Technology Research Center, Department of Anatomy, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Marziyeh Ajdary
- Endometriosis Research Center, Iran University of Medical Sciences, Tehran, Iran.
| | - Rajender S Varma
- Centre of Excellence for Research in Sustainable Chemistry, Department of Chemistry Federal University of São Carlos, São Carlos, SP, 13565-905, Brazil.
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Galliani V, Abud JE, Zenclussen ML, Rodríguez HA. Female offspring of mice perinatally exposed to benzophenone-3 showed early subfertility linked to a poor oocyte stockpile. Arch Toxicol 2024; 98:1909-1918. [PMID: 38553590 DOI: 10.1007/s00204-024-03730-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Accepted: 03/07/2024] [Indexed: 05/21/2024]
Abstract
Previously, we found that the ultraviolet filter benzophenone-3 (BP3) causes fetal growth restriction in mice when is applied when implantation occurs (first week of gestation). However, whether BP3 can affect gestation and fertility after implantation period is unknown. We aimed to study the effects on reproductive physiology of the offspring caused by perinatal exposure to BP3. C57BL/6 pregnant mice were dermally exposed to 50 mg BP3/kg bw.day or olive oil (vehicle) from gestation day 9 (gd9) to postnatal day 21 (pnd1). We observed no differences in mother's weights, duration of gestation, number of pups per mother, onset of puberty or sex ratio. The weights of the pups exposed to benzophenone-3 were transiently lower than those of the control. Estrous cycle was not affected by perinatal exposure to BP3. Besides, we performed a fertility assessment by continuous breeding protocol: at 10 weeks of age, one F1 female and one F1 male mouse from each group was randomly chosen from each litter and housed together for a period of 6 months. We noticed a reduction in the number of deliveries per mother among dams exposed to BP3 during the perinatal period. To see if this decreased fertility could be associated to an early onset of oocytes depletion, we estimated the ovarian reserve of germ cells. We found reduced number of oocytes and primordial follicles in BP3. In conclusion, perinatal exposure to BP3 leads to a decline in the reproductive capacity of female mice in a continuous breeding protocol linked to oocyte depletion.
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Affiliation(s)
- Valentina Galliani
- Instituto de Salud y Ambiente del Litoral (ISAL), Universidad Nacional del Litoral (UNL) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina
| | - Julián Elías Abud
- Instituto de Salud y Ambiente del Litoral (ISAL), Universidad Nacional del Litoral (UNL) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina
- Cátedra de Fisiología Humana, Facultad de Bioquímica y Ciencias Biológicas (FBCB), Universidad Nacional del Litoral (UNL), Santa Fe, Argentina
| | - María Laura Zenclussen
- Instituto de Salud y Ambiente del Litoral (ISAL), Universidad Nacional del Litoral (UNL) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina
- Cátedra de Fisiología Humana, Facultad de Bioquímica y Ciencias Biológicas (FBCB), Universidad Nacional del Litoral (UNL), Santa Fe, Argentina
| | - Horacio Adolfo Rodríguez
- Instituto de Salud y Ambiente del Litoral (ISAL), Universidad Nacional del Litoral (UNL) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina.
- Cátedra de Fisiología Humana, Facultad de Bioquímica y Ciencias Biológicas (FBCB), Universidad Nacional del Litoral (UNL), Santa Fe, Argentina.
- Cátedra de Fisiología Humana, FBCB, Instituto de Salud y Ambiente del Litoral (ISAL, UNL-CONICET), UNL, Ciudad Universitaria, Paraje El Pozo, Casilla de Correo 242, 3000, Santa Fe, Argentina.
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Sasaki T, Hara K, Tanemura K. Early-life exposure to acephate inhibits sexual development and induces testicular and ovarian toxicity in mice. Reprod Toxicol 2023; 121:108472. [PMID: 37717670 DOI: 10.1016/j.reprotox.2023.108472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Revised: 09/10/2023] [Accepted: 09/14/2023] [Indexed: 09/19/2023]
Abstract
Acephate is an organophosphate insecticide that exerts its toxicity by acting on the nervous system of insects. In addition to its action on the mammalian nervous system, acephate can also induce endocrine disruption of the reproductive system in mammals. However, the effects of acephate on sexual maturation and ovary development remain unclear. This study evaluated whether early-life exposure to acephate negatively impacts the male and female sexual maturation process and mature reproductive tissues. C57BL/6N mice were exposed to acephate (0, 0.3, 300 ppm) in drinking water from embryonic day 11.5 to ablactation, when the pups were four weeks old. Both sexes in the high-dose group experienced an early postnatal growth deficit, while females in the low-dose group continued to gain weight until 10 weeks of age. Exposure to acephate altered the anogenital index in females. Furthermore, preputial separation and vaginal opening were delayed in the high-dose group. At maturity, the weight of the seminal vesicles was decreased in the high-dose group. All treated groups exhibited increased vacuolation, accumulation of residual bodies, and degeneration in the testes. Furthermore, follicle regression was observed, and the healthy follicle number at each developmental stage was decreased in all treated groups. These results are probably due to the inhibition of the regulation by the hypothalamic-pituitary-gonadal axis and direct toxicity to reproductive organs. In conclusion, our study demonstrates that early-life exposure to acephate in mice may disrupt normal postnatal development, postpone puberty onset, and adversely affect reproductive functions during the reproductive period in both sexes.
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Affiliation(s)
- Takahiro Sasaki
- Laboratory of Animal Reproduction and Development, Graduate School of Agricultural Science, Tohoku University, 468-1 Aramaki-Aoba, Aoba-ku, Sendai, Miyagi 980-8572, Japan
| | - Kenshiro Hara
- Laboratory of Animal Reproduction and Development, Graduate School of Agricultural Science, Tohoku University, 468-1 Aramaki-Aoba, Aoba-ku, Sendai, Miyagi 980-8572, Japan
| | - Kentaro Tanemura
- Laboratory of Animal Reproduction and Development, Graduate School of Agricultural Science, Tohoku University, 468-1 Aramaki-Aoba, Aoba-ku, Sendai, Miyagi 980-8572, Japan.
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Silva ABP, Carreiró F, Ramos F, Sanches-Silva A. The role of endocrine disruptors in female infertility. Mol Biol Rep 2023; 50:7069-7088. [PMID: 37402067 PMCID: PMC10374778 DOI: 10.1007/s11033-023-08583-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Accepted: 06/06/2023] [Indexed: 07/05/2023]
Abstract
INTRODUCTION According to the World Health Organization, infertility is a public health problem that affects around 48 million couples and 186 million individuals worldwide. Endocrine disruptors are one of the causes that raise more concern, given that it is a problem that has evolved with the progress of society. Many chemicals are used by food industry, entering food chain, and directly affecting human health. Endocrine disruptors have the capacity of interfering with the normal hormonal action, metabolism, and biosynthesis, which can lead to a variation of the normal hormonal homeostasis. Some of these endocrine disruptors are highly associated with diseases that are positively correlated with female infertility, such as polycystic ovary syndrome, endometriosis, irregular menstrual cycle and also disturbances on processes as steroidogenesis and development of the ovarian follicles. RESULTS The present literature review covers various aspects of the possible relationship between endocrine disruptors and female infertility. Bisphenol A and its metabolites, phthalates, dioxins, organochlorine, and organophosphate compounds are groups of chemicals considered to have the capacity to disrupt endocrine activity and herein addressed. The results reported in in vivo studies and in clinical trials addressing endocrine disruptors and female infertility were discussed as well as their possible mechanism of action. CONCLUSIONS Large, double-blind, placebo-controlled randomized clinical trials are needed to better understand the mechanisms of action of endocrine disruptors in female infertility, as well as the doses and frequency of exposure responsible for it.
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Affiliation(s)
- Ana Beatriz P Silva
- University of Coimbra, Faculty of Pharmacy, Azinhaga de Santa Comba, 3000-548, Coimbra, Portugal
| | - Filipa Carreiró
- University of Coimbra, Faculty of Pharmacy, Azinhaga de Santa Comba, 3000-548, Coimbra, Portugal
- National Institute of Agrarian and Veterinary Research (INIAV), Rua dos Lagidos, Lugar da Madalena, Vairão, 4485-655, Vila do Conde, Portugal
| | - Fernando Ramos
- University of Coimbra, Faculty of Pharmacy, Azinhaga de Santa Comba, 3000-548, Coimbra, Portugal
- REQUIMTE/LAQV, University of Coimbra, Faculty of Pharmacy, Azinhaga de Santa Comba, 3000-548, Coimbra, Portugal
| | - Ana Sanches-Silva
- University of Coimbra, Faculty of Pharmacy, Azinhaga de Santa Comba, 3000-548, Coimbra, Portugal.
- National Institute of Agrarian and Veterinary Research (INIAV), Rua dos Lagidos, Lugar da Madalena, Vairão, 4485-655, Vila do Conde, Portugal.
- Center for Study in Animal Science (CECA)-ICETA, University of Porto, Praça Gomes Teixeira, 14 Apartado, 55142-401, Porto, Portugal.
- Associate Laboratory for Animal and Veterinary Sciences (Al4AnimalS), 1300-477, Lisbon, Portugal.
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Molina-López AM, Bujalance-Reyes F, Ayala-Soldado N, Mora-Medina R, Lora-Benítez A, Moyano-Salvago R. An Overview of the Health Effects of Bisphenol A from a One Health Perspective. Animals (Basel) 2023; 13:2439. [PMID: 37570248 PMCID: PMC10417040 DOI: 10.3390/ani13152439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 07/26/2023] [Accepted: 07/27/2023] [Indexed: 08/13/2023] Open
Abstract
Bisphenol A (BPA) is a chemical compound, considered as an "emerging pollutant", that appears ubiquitously, contaminating the environment and food. It is an endocrine disruptor, found in a multitude of consumer products, as it is a constituent of polycarbonate used in the manufacture of plastics and epoxy resins. Many studies have evaluated the effects of BPA, using a wide range of doses and animal models. In this work, we carried out a review of relevant research related to the effects of BPA on health, through studies performed at different doses, in different animal models, and in human monitoring studies. Numerous effects of BPA on health have been described; in different animal species, it has been reported that it interferes with fertility in both females and males and causes alterations in their offspring, as well as being associated with an increase in hormone-dependent pathologies. Similarly, exposure to BPA has been related to other diseases of great relevance in public health such as obesity, hypertension, diabetes, or neurodevelopmental disorders. Its ubiquity and nonmonotonic behavior, triggering effects at exposure levels considered "safe", make it especially relevant when both animal and human populations are constantly and inadvertently exposed to this compound. Its effects at low exposure levels make it essential to establish safe exposure levels, and research into the effects of BPA must continue and be focused from a "One Health" perspective to take into account all the factors that could intervene in the development of a disease in any exposed organism.
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Affiliation(s)
- Ana M. Molina-López
- Departamento Anatomía y Anatomía Patológica Comparadas y Toxicología, Unidad de Investigación Competitiva Zoonosis y Enfermedades Emergentes desde la Perspectiva de Una Salud ENZOEM, Universidad de Córdoba, Campus de Rabanales, Edificio Darwin, E-14071 Córdoba, Spain;
| | - Francisca Bujalance-Reyes
- Departamento Anatomía y Anatomía Patológica Comparadas y Toxicología, Universidad de Córdoba, Campus de Rabanales, Edificio Darwin, E-14071 Córdoba, Spain; (F.B.-R.); (R.M.-M.); (A.L.-B.)
| | - Nahúm Ayala-Soldado
- Departamento Anatomía y Anatomía Patológica Comparadas y Toxicología, Universidad de Córdoba, Campus de Rabanales, Edificio Darwin, E-14071 Córdoba, Spain; (F.B.-R.); (R.M.-M.); (A.L.-B.)
| | - Rafael Mora-Medina
- Departamento Anatomía y Anatomía Patológica Comparadas y Toxicología, Universidad de Córdoba, Campus de Rabanales, Edificio Darwin, E-14071 Córdoba, Spain; (F.B.-R.); (R.M.-M.); (A.L.-B.)
| | - Antonio Lora-Benítez
- Departamento Anatomía y Anatomía Patológica Comparadas y Toxicología, Universidad de Córdoba, Campus de Rabanales, Edificio Darwin, E-14071 Córdoba, Spain; (F.B.-R.); (R.M.-M.); (A.L.-B.)
| | - Rosario Moyano-Salvago
- Departamento Anatomía y Anatomía Patológica Comparadas y Toxicología, Unidad de Investigación Competitiva Zoonosis y Enfermedades Emergentes desde la Perspectiva de Una Salud ENZOEM, Universidad de Córdoba, Campus de Rabanales, Edificio Darwin, E-14071 Córdoba, Spain;
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Shoorei H, Seify M, Talebi SF, Majidpoor J, Dehaghi YK, Shokoohi M. Different types of bisphenols alter ovarian steroidogenesis: Special attention to BPA. Heliyon 2023; 9:e16848. [PMID: 37303564 PMCID: PMC10250808 DOI: 10.1016/j.heliyon.2023.e16848] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 04/27/2023] [Accepted: 05/31/2023] [Indexed: 06/13/2023] Open
Abstract
Endocrine disruptors such as bisphenol A (BPA) and some of its analogues, including BPS, BPAF, and BPE, are used extensively in the manufacture of plastics. These synthetic chemicals could seriously alter the functionality of the female reproductive system. Although the number of studies conducted on other types of bisphenols is smaller than the number of studies on BPA, the purpose of this review study was to evaluate the effects of bisphenol compounds, particularly BPA, on hormone production and on genes involved in ovarian steroidogenesis in both in vitro (human and animal cell lines) and in vivo (animal models) studies. The current data show that exposure to bisphenol compounds has adverse effects on ovarian steroidogenesis. For example, BPA, BPS, and BPAF can alter the normal function of the hypothalamic-pituitary-gonadal (HPG) axis by targeting kisspeptin neurons involved in steroid feedback signals to gonadotropin-releasing hormone (GnRH) cells, resulting in abnormal production of LH and FSH. Exposure to BPA, BPS, BPF, and BPB had adverse effects on the release of some hormones, namely 17-β-estradiol (E2), progesterone (P4), and testosterone (T). BPA, BPE, BPS, BPF, and BPAF are also capable of negatively altering the transcription of a number of genes involved in ovarian steroidogenesis, such as the steroidogenic acute regulatory protein (StAR, involved in the transfer of cholesterol from the outer to the inner mitochondrial membrane, where the steroidogenesis process begins), cytochrome P450 family 17 subfamily A member 1 (Cyp17a1, which is involved in the biosynthesis of androgens such as testosterone), 3 beta-hydroxysteroid dehydrogenase enzyme (3β-HSD, involved in the biosynthesis of P4), and cytochrome P450 family 19 subfamily A member 1 (Cyp19a1, involved in the biosynthesis of E2). Exposure to BPA, BPB, BPF, and BPS at prenatal or prepubertal stages could decrease the number of antral follicles by activating apoptosis and autophagy pathways, resulting in decreased production of E2 and P4 by granulosa cells (GCs) and theca cells (TCs), respectively. BPA and BPS impair ovarian steroidogenesis by reducing the function of some important cell receptors such as estrogens (ERs, including ERα and ERβ), progesterone (PgR), the orphan estrogen receptor gamma (ERRγ), the androgen receptor (AR), the G protein-coupled estrogen receptor (GPER), the FSHR (follicle-stimulating hormone receptor), and the LHCGR (luteinizing hormone/choriogonadotropin receptor). In animal models, the effects of bisphenol compounds depend on the type of animals, their age, and the duration and dose of bisphenols, while in cell line studies the duration and doses of bisphenols are the matter.
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Affiliation(s)
- Hamed Shoorei
- Department of Anatomical Sciences, Faculty of Medicine, Birjand University of Medical Sciences, Birjand, Iran
- Clinical Research Development Unit of Tabriz Valiasr Hospital, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Seify
- Research and Clinical Center for Infertility, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Seyedeh Fahimeh Talebi
- Student Research Committee, Birjand University of Medical Sciences, Birjand, Iran
- Department of Pharmacology, Birjand University of Medical Sciences, Birjand, Iran
| | - Jamal Majidpoor
- Department of Anatomy, Faculty of Medicine, Infectious Disease Research Center, Gonabad University of Medical Sciences, Gonabad, Iran
| | - Yeganeh Koohestani Dehaghi
- Research and Clinical Center for Infertility, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Majid Shokoohi
- Clinical Research Development Unit of Tabriz Valiasr Hospital, Tabriz University of Medical Sciences, Tabriz, Iran
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Lambré C, Barat Baviera JM, Bolognesi C, Chesson A, Cocconcelli PS, Crebelli R, Gott DM, Grob K, Lampi E, Mengelers M, Mortensen A, Rivière G, Silano (until 21 December 2020†) V, Steffensen I, Tlustos C, Vernis L, Zorn H, Batke M, Bignami M, Corsini E, FitzGerald R, Gundert‐Remy U, Halldorsson T, Hart A, Ntzani E, Scanziani E, Schroeder H, Ulbrich B, Waalkens‐Berendsen D, Woelfle D, Al Harraq Z, Baert K, Carfì M, Castoldi AF, Croera C, Van Loveren H. Re-evaluation of the risks to public health related to the presence of bisphenol A (BPA) in foodstuffs. EFSA J 2023; 21:e06857. [PMID: 37089179 PMCID: PMC10113887 DOI: 10.2903/j.efsa.2023.6857] [Citation(s) in RCA: 31] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2023] Open
Abstract
In 2015, EFSA established a temporary tolerable daily intake (t-TDI) for BPA of 4 μg/kg body weight (bw) per day. In 2016, the European Commission mandated EFSA to re-evaluate the risks to public health from the presence of BPA in foodstuffs and to establish a tolerable daily intake (TDI). For this re-evaluation, a pre-established protocol was used that had undergone public consultation. The CEP Panel concluded that it is Unlikely to Very Unlikely that BPA presents a genotoxic hazard through a direct mechanism. Taking into consideration the evidence from animal data and support from human observational studies, the immune system was identified as most sensitive to BPA exposure. An effect on Th17 cells in mice was identified as the critical effect; these cells are pivotal in cellular immune mechanisms and involved in the development of inflammatory conditions, including autoimmunity and lung inflammation. A reference point (RP) of 8.2 ng/kg bw per day, expressed as human equivalent dose, was identified for the critical effect. Uncertainty analysis assessed a probability of 57-73% that the lowest estimated Benchmark Dose (BMD) for other health effects was below the RP based on Th17 cells. In view of this, the CEP Panel judged that an additional uncertainty factor (UF) of 2 was needed for establishing the TDI. Applying an overall UF of 50 to the RP, a TDI of 0.2 ng BPA/kg bw per day was established. Comparison of this TDI with the dietary exposure estimates from the 2015 EFSA opinion showed that both the mean and the 95th percentile dietary exposures in all age groups exceeded the TDI by two to three orders of magnitude. Even considering the uncertainty in the exposure assessment, the exceedance being so large, the CEP Panel concluded that there is a health concern from dietary BPA exposure.
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Molina-López AM, Bujalance-Reyes F, Urbano MT, Lora-Benítez A, Ayala-Soldado N, Moyano-Salvago R. Analysis of Blood Biochemistry and Pituitary-Gonadal Histology after Chronic Exposure to Bisphenol-A of Mice. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph192113894. [PMID: 36360773 PMCID: PMC9659152 DOI: 10.3390/ijerph192113894] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 10/21/2022] [Accepted: 10/22/2022] [Indexed: 05/12/2023]
Abstract
Bisphenol-A is an emerging pollutant that is widespread in the environment, and to which live beings are continuously and inadvertently exposed. It is a substance with an endocrine-disrupting capacity, causing alterations in the reproductive, immunological, and neurological systems, among others, as well as metabolic alterations. Our study aimed to assess its clinical signs, and effects on the most relevant blood biochemical parameters, and to evaluate pituitary and gonadal histology after a chronic exposure of adult mice to different BPA doses (0.5, 2, 4, 50 and 100 µg/kg BW/day) through their drinking water. The biochemical results showed that a marked significant reduction (p < 0.05) was produced in the levels of serum glucose, hypoproteinaemia and hypoalbuminemia in the groups exposed to the highest doses, whereas in the group exposed to 50 µg/kg BW/day the glucose and total protein levels dropped, and the animals exposed to 100 µg/kg BW/day experienced a diminution in albumin levels. In the case of the group exposed to 50 µg/kg BW/day, however, hypertriglyceridemia and hypercholesterolemia were determined, and the blood parameters indicating kidney alterations such as urea and creatinine experienced a significant increase (p < 0.05) with respect to the controls. Regarding the pituitary and gonads, none of the animals exposed presented histological alterations at the doses tested, giving similar images to those of the control group. These results suggest that continuous exposure to low BPA doses could trigger an inhibition of hepatic gluconeogenesis, which would result in a hypoglycaemic state, together with an induction of the enzymes responsible for lipidic synthesis, a mechanism by which the increase in the lipid and serum cholesterol levels could be explained. Likewise, the decline in the protein and albumin levels would be indicative of a possible hepatic alteration, and the increase in urea and creatinine would point to a possible renal perturbation, derived from continuous exposure to this xenobiotic. Based on our results, it could be said that chronic exposure to low BPA doses would not produce any clinical signs or histological pituitary-gonadal effects, but it could cause modifications in some blood biochemical parameters, that could initially indicate a possible hepatic and renal effect.
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Affiliation(s)
- Ana M. Molina-López
- Departamento Anatomía y Anatomía Patológica Comparadas y Toxicología, Unidad de Investigación Competitiva Zoonosis y Enfermedades Emergentes Desde la Perspectiva de Una Salud ENZOEM, Campus de Rabanales, Universidad de Córdoba, Edificio Darwin, 14071 Córdoba, Spain
- Correspondence: (A.M.M.-L.); (A.L.-B.)
| | - Francisca Bujalance-Reyes
- Departamento Anatomía y Anatomía Patológica Comparadas y Toxicología, Campus de Rabanales, Universidad de Córdoba, Edificio Darwin, 14071 Córdoba, Spain
| | - María Teresa Urbano
- Departamento Anatomía y Anatomía Patológica Comparadas y Toxicología, Campus de Rabanales, Universidad de Córdoba, Edificio Darwin, 14071 Córdoba, Spain
| | - Antonio Lora-Benítez
- Departamento Anatomía y Anatomía Patológica Comparadas y Toxicología, Campus de Rabanales, Universidad de Córdoba, Edificio Darwin, 14071 Córdoba, Spain
- Correspondence: (A.M.M.-L.); (A.L.-B.)
| | - Nahúm Ayala-Soldado
- Departamento Anatomía y Anatomía Patológica Comparadas y Toxicología, Campus de Rabanales, Universidad de Córdoba, Edificio Darwin, 14071 Córdoba, Spain
| | - Rosario Moyano-Salvago
- Departamento Anatomía y Anatomía Patológica Comparadas y Toxicología, Unidad de Investigación Competitiva Zoonosis y Enfermedades Emergentes Desde la Perspectiva de Una Salud ENZOEM, Campus de Rabanales, Universidad de Córdoba, Edificio Darwin, 14071 Córdoba, Spain
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Ding T, Yan W, Zhou T, Shen W, Wang T, Li M, Zhou S, Wu M, Dai J, Huang K, Zhang J, Chang J, Wang S. Endocrine disrupting chemicals impact on ovarian aging: Evidence from epidemiological and experimental evidence. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 305:119269. [PMID: 35405219 DOI: 10.1016/j.envpol.2022.119269] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 03/14/2022] [Accepted: 04/03/2022] [Indexed: 06/14/2023]
Abstract
Endocrine-disrupting chemicals (EDCs) are ubiquitous in daily life, but their harmful effects on the human body have not been fully explored. Recent studies have shown that EDCs exposure could lead to infertility, menstrual disorder and menopause, resulting in subsequent effects on female health. Therefore, it is of great significance to clarify and summarize the impacts of EDCs on ovarian aging for explaining the etiology of ovarian aging and maintaining female reproductive health. Here in this review, we focused on the impacts of ten typical environmental contaminants on the progression of ovarian aging during adult exposure, including epidemiological data in humans and experimental models in rodents, with their clinical phenotypes and underlying mechanisms. We found that both persistent (polychlorinated biphenyls, perfluoroalkyl and polyfluoroalkyl substances) and non-persistent (phthalates) EDCs exposure could increase an overall risk of ovarian aging, leading to the diminish of ovarian reserve, decline of fertility or fecundity, irregularity of the menstrual cycle and an earlier age at menopause, and/or premature ovarian insufficiency/failure in epidemiological studies. Among these, the loss of follicles can also be validated in experimental studies of some EDCs, such as BPA, phthalates, parabens and PCBs. The underlying mechanisms may involve the impaired ovarian follicular development by altering receptor-mediated pro-apoptotic pathways, inducing signal transduction and cell cycle arrest and epigenetic modification. However, there were inconsistent results in the impacts on fertility/fecundity, menstrual/estrous cycle and hormone changes response to different EDCs, and differences between human and animal studies. Our review summarizes the current state of knowledge on ovarian disrupters, highlights their risks to ovarian aging and identifies knowledge gaps in humans and animals. We therefore propose that females adopt healthy lifestyle changes to minimize their exposure to both persistent and non-persistent chemicals, that have the potential damage to their reproductive function.
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Affiliation(s)
- Ting Ding
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Wei Yan
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Ting Zhou
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Wei Shen
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Tian Wang
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Milu Li
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Su Zhou
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Meng Wu
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Jun Dai
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Kecheng Huang
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Jinjin Zhang
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Jiang Chang
- Department of Epidemiology and Biostatistics, Key Laboratory for Environment and Health, Wuhan, 430030, China; School of Public Health, Tongji Medical College, Huazhong University of Sciences and Technology, Wuhan, 430030, China
| | - Shixuan Wang
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
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Plante I, Winn LM, Vaillancourt C, Grigorova P, Parent L. Killing two birds with one stone: Pregnancy is a sensitive window for endocrine effects on both the mother and the fetus. ENVIRONMENTAL RESEARCH 2022; 205:112435. [PMID: 34843719 DOI: 10.1016/j.envres.2021.112435] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 11/22/2021] [Accepted: 11/23/2021] [Indexed: 06/13/2023]
Abstract
Pregnancy is a complex process requiring tremendous physiological changes in the mother in order to fulfill the needs of the growing fetus, and to give birth, expel the placenta and nurse the newborn. These physiological modifications are accompanied with psychological changes, as well as with variations in habits and behaviors. As a result, this period of life is considered as a sensitive window as impaired functional and physiological changes in the mother can have short- and long-term impacts on her health. In addition, dysregulation of the placenta and of mechanisms governing placentation have been linked to chronic diseases later-on in life for the fetus, in a concept known as the Developmental Origin of Health and Diseases (DOHaD). This concept stipulates that any change in the environment during the pre-conception and perinatal (in utero life and neonatal) period to puberty, can be "imprinted" in the organism, thereby impacting the health and risk of chronic diseases later in life. Pregnancy is a succession of events that is regulated, in large part, by hormones and growth factors. Therefore, small changes in hormonal balance can have important effects on both the mother and the developing fetus. An increasing number of studies demonstrate that exposure to endocrine disrupting compounds (EDCs) affect both the mother and the fetus giving rise to growing concerns surrounding these exposures. This review will give an overview of changes that happen during pregnancy with respect to the mother, the placenta, and the fetus, and of the current literature regarding the effects of EDCs during this specific sensitive window of exposure.
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Affiliation(s)
- Isabelle Plante
- INRS-Centre Armand-Frappier Santé Biotechnologie, Laval, QC, Canada.
| | - Louise M Winn
- Queen's University, School of Environmental Studies, Department of Biomedical and Molecular Sciences, Kingston, ON, Canada
| | | | - Petya Grigorova
- Département Science et Technologie, Université TELUQ, Montreal, QC, Canada
| | - Lise Parent
- Département Science et Technologie, Université TELUQ, Montreal, QC, Canada
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11
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Huang R, Li J, Liao M, Ma L, Laurent I, Lin X, Zhang Y, Gao R, Ding Y, Xiao X. Combinational exposure to Bisphenol A and a high-fat diet causes trans-generational Malfunction of the female reproductive system in mice. Mol Cell Endocrinol 2022; 541:111507. [PMID: 34785282 DOI: 10.1016/j.mce.2021.111507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 11/10/2021] [Accepted: 11/11/2021] [Indexed: 11/16/2022]
Abstract
Bisphenol A (BPA) is a common endocrine disruptor and a high-fat diet (HFD) also affects fertility. However, little is known about the long-term consequences of simultaneous exposure to BPA and a HFD on reproductive health. Herein, we assessed the effects of maternal exposure to BPA in combination with a HFD on reproductive function in subsequent generations of female mice and evaluated its effects on the hypothalamic-pituitary-gonadal axis. We found that the combination of maternal exposure to BPA and a HFD led to increased urine BPA levels, precocious puberty, altered estrous cyclicity, decreased follicle numbers, and altered hypothalamic Kiss1 methylation status in F1 and F2 mice. Therefore, we demonstrated that maternal exposure to BPA in combination with a HFD exerts a trans-generational effect on female reproduction.
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Affiliation(s)
- Rongfeng Huang
- Department of Obstetrics, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China; Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing, China; State Key Laboratory of Maternal and Fetal Medicine of Chongqing Municipality, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China; The Chongqing Key Laboratory of Translational Medicine in Major Metabolic Diseases, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Jiayu Li
- State Key Laboratory of Maternal and Fetal Medicine of Chongqing Municipality, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China; The Chongqing Key Laboratory of Translational Medicine in Major Metabolic Diseases, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Maolin Liao
- State Key Laboratory of Maternal and Fetal Medicine of Chongqing Municipality, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China; The Chongqing Key Laboratory of Translational Medicine in Major Metabolic Diseases, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Li Ma
- State Key Laboratory of Maternal and Fetal Medicine of Chongqing Municipality, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China; The Chongqing Key Laboratory of Translational Medicine in Major Metabolic Diseases, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Irakoze Laurent
- State Key Laboratory of Maternal and Fetal Medicine of Chongqing Municipality, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China; The Chongqing Key Laboratory of Translational Medicine in Major Metabolic Diseases, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Xiaojing Lin
- State Key Laboratory of Maternal and Fetal Medicine of Chongqing Municipality, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China; The Chongqing Key Laboratory of Translational Medicine in Major Metabolic Diseases, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yunqi Zhang
- State Key Laboratory of Maternal and Fetal Medicine of Chongqing Municipality, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China; The Chongqing Key Laboratory of Translational Medicine in Major Metabolic Diseases, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Rufei Gao
- Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing, China
| | - Yubin Ding
- Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing, China
| | - Xiaoqiu Xiao
- Department of Obstetrics, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China; Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing, China; State Key Laboratory of Maternal and Fetal Medicine of Chongqing Municipality, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China; The Chongqing Key Laboratory of Translational Medicine in Major Metabolic Diseases, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China.
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12
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Merhi Z, Du XQ, Charron MJ. Postnatal weaning to different diets leads to different reproductive phenotypes in female offspring following perinatal exposure to high levels of dietary advanced glycation end products. F&S SCIENCE 2022; 3:95-105. [PMID: 35559999 DOI: 10.1016/j.xfss.2021.12.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2021] [Revised: 11/30/2021] [Accepted: 12/02/2021] [Indexed: 06/15/2023]
Abstract
OBJECTIVE To examine, following perinatal exposure to a diet high in advanced glycation end products (AGEs), whether the use of standard AGE-free mouse chow during the postweaning period alters metabolism and reproduction differently than exposure to a diet low in AGEs. DESIGN Experimental animal study. SETTING University-based research laboratory. ANIMAL(S) Female CD1 mice. INTERVENTION(S) Seven-week-old mice were placed on a diet either low or high in AGEs perinatally, before mating and then during pregnancy and lactation. All offspring were weaned onto an AGE-free normal chow. MAIN OUTCOME MEASURE(S) Growth curve, liver and abdominal fat weight, insulin and glucose tolerance tests, vaginal opening, estrous cyclicity, and serum levels of antimüllerian hormone, leptin, and adiponectin were assessed. Ovarian histologic examination for follicular count and gene expression was also performed. RESULT(S) Compared with the mice exposed to a diet low in AGEs, the mice exposed to a diet high in AGEs showed lower body weight in pups, lower liver weight, delayed vaginal opening, higher serum antimüllerian hormone levels, lower primordial and secondary follicle pools, and higher ovarian Fshr messenger RNA levels. CONCLUSION(S) Following weaning, perinatal AGEs can target puberty onset and folliculogenesis differently to standard mouse chow.
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Affiliation(s)
- Zaher Merhi
- Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, SUNY Downstate Health Sciences University, Brooklyn, New York; Department of Biochemistry, Albert Einstein College of Medicine, Bronx, New York.
| | - Xiu Quan Du
- Department of Biochemistry, Albert Einstein College of Medicine, Bronx, New York
| | - Maureen J Charron
- Department of Biochemistry, Albert Einstein College of Medicine, Bronx, New York; Department of Obstetrics, Gynecology and Women's Health, Albert Einstein College of Medicine, Bronx, New York; Department of Medicine and the Fleischer Institute for Diabetes and Metabolism, Albert Einstein College of Medicine, Bronx, New York
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13
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López-Rodríguez D, Aylwin CF, Delli V, Sevrin E, Campanile M, Martin M, Franssen D, Gérard A, Blacher S, Tirelli E, Noël A, Lomniczi A, Parent AS. Multi- and Transgenerational Outcomes of an Exposure to a Mixture of Endocrine-Disrupting Chemicals (EDCs) on Puberty and Maternal Behavior in the Female Rat. ENVIRONMENTAL HEALTH PERSPECTIVES 2021; 129:87003. [PMID: 34383603 PMCID: PMC8360047 DOI: 10.1289/ehp8795] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 06/28/2021] [Accepted: 07/13/2021] [Indexed: 05/26/2023]
Abstract
BACKGROUND The effects of endocrine-disrupting chemicals (EDCs) on fertility and reproductive development represent a rising concern in modern societies. Although the neuroendocrine control of sexual maturation is a major target of EDCs, little is known about the potential role of the hypothalamus in puberty and ovulation disruption transmitted across generations. OBJECTIVES We hypothesized that developmental exposure to an environmentally relevant dose of EDC mixture could induce multi- and/or transgenerational alterations of sexual maturation and maternal care in female rats through epigenetic reprograming of the hypothalamus. We investigated the transmission of a disrupted reproductive phenotype via the maternal germline or via nongenomic mechanisms involving maternal care. METHODS Adult female Wistar rats were exposed prior to and during gestation and until the end of lactation to a mixture of the following 13 EDCs: di-n-butyl phthalate (DnBP), di(2-ethylhexyl) phthalate (DEHP), bisphenol A (BPA), vinclozolin, prochloraz, procymidone, linuron, epoxynaxole, dichlorodiphenyldichloroethylene, octyl methoxynimmate, 4-methylbenzylidene camphor (4-MBC), butylparaben, and acetaminophen. Perinatally exposed offspring (F1) were mated with unexposed males to generate germ cell (F2) and transgenerationally exposed (F3 and F4) females. Sexual maturation, maternal behavior, and hypothalamic targets of exposure were studied across generations. RESULTS Germ cell (F2) and transgenerationally (F3) EDC-exposed females, but not F1, displayed delayed pubertal onset and altered folliculogenesis. We reported a transgenerational alteration of key hypothalamic genes controlling puberty and ovulation (Kiss1, Esr1, and Oxt), and we identified the hypothalamic polycomb group of epigenetic repressors as actors of this mechanism. Furthermore, we found a multigenerational reduction of maternal behavior (F1-F3) induced by a loss in hypothalamic dopaminergic signaling. Using a cross-fostering paradigm, we identified that the reduction in maternal phenotype was normalized in EDC-exposed pups raised by unexposed dams, but no reversal of the pubertal phenotype was achieved. DISCUSSION Rats developmentally exposed to an EDC mixture exhibited multi- and transgenerational disruption of sexual maturation and maternal care via hypothalamic epigenetic reprogramming. These results raise concerns about the impact of EDC mixtures on future generations. https://doi.org/10.1289/EHP8795.
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Affiliation(s)
| | - Carlos Francisco Aylwin
- Division of Neuroscience, Oregon National Primate Research Center, Oregon Health & Science University (OHSU), Portland, Oregon, USA
| | | | - Elena Sevrin
- GIGA Neurosciences, Neuroendocrinology Unit, University of Liège, Liège, Belgium
| | - Marzia Campanile
- GIGA Neurosciences, Neuroendocrinology Unit, University of Liège, Liège, Belgium
| | - Marion Martin
- Lille Neuroscience & Cognition (LilNCog), Institut national de la santé et de la recherche médicale (Inserm), CHU Lille, Lille, France
| | - Delphine Franssen
- GIGA Neurosciences, Neuroendocrinology Unit, University of Liège, Liège, Belgium
| | - Arlette Gérard
- GIGA Neurosciences, Neuroendocrinology Unit, University of Liège, Liège, Belgium
| | - Silvia Blacher
- Tumor and Development Biology, GIGA-Cancer, University of Liège, Liège, Belgium
| | - Ezio Tirelli
- Department of Psychology: Cognition and Behavior, University of Liège, Liège, Belgium
| | - Agnès Noël
- Tumor and Development Biology, GIGA-Cancer, University of Liège, Liège, Belgium
| | - Alejandro Lomniczi
- Division of Neuroscience, Oregon National Primate Research Center, Oregon Health & Science University (OHSU), Portland, Oregon, USA
| | - Anne-Simone Parent
- GIGA Neurosciences, Neuroendocrinology Unit, University of Liège, Liège, Belgium
- Department of Pediatrics, University Hospital Liège, Liège, Belgium
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14
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Urinary Bisphenol A Concentrations and Parameters of Ovarian Reserve among Women from a Fertility Clinic. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18158041. [PMID: 34360336 PMCID: PMC8345502 DOI: 10.3390/ijerph18158041] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 07/26/2021] [Accepted: 07/27/2021] [Indexed: 11/16/2022]
Abstract
Background: Human exposure to environmentally widespread endocrine disruptors, especially bisphenol A (BPA), has been suggested to affect reproductive health. Animal studies indicate that BPA may play a role in the process of reproduction and impact on maturing oocytes, meiotic cell division or fertilization rate. Nevertheless, data regarding the effects of exposure to BPA on women’s ovarian function are still limited. Therefore, the aim of the current study is to assess the effects of environmental exposure to BPA on ovarian reserve. Methods: The study participants consisted of 511 women in reproductive age (25–39 years) who attended an infertility clinic for diagnosis, due to the couples’ infertility. BPA urinary concentrations were assessed by the validated gas chromatography ion-trap mass spectrometry method. The ovarian reserve was assessed using ovarian reserve parameters: Hormones concentrations: E2 (estradiol), FSH (follicle stimulating hormone), AMH (anti-Müllerian hormone), and AFC (antral follicle count). Results: In the present study, the negative association between BPA urinary concentrations and AMH (p = 0.02) and AFC (p = 0.03) levels was found. Exposure to BPA was not related to other examined parameters of ovarian reserve (FSH, E2). Conclusions: Our results suggest that BPA exposure may affect women ovarian reserve parameters and reduce ovarian reserve. As this is one of the first studies of its kind, the findings need confirmation in a further investigation.
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15
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Eldefrawy F, Xu HS, Pusch E, Karkoura A, Alsafy M, Elgendy S, Williams SM, Navara K, Guo TL. Modulation of folliculogenesis in adult laying chickens by bisphenol A and bisphenol S: Perspectives on ovarian morphology and gene expression. Reprod Toxicol 2021; 103:181-190. [PMID: 34147626 DOI: 10.1016/j.reprotox.2021.06.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 05/25/2021] [Accepted: 06/15/2021] [Indexed: 10/21/2022]
Abstract
Both bisphenol A (BPA) and its analog bisphenol S (BPS) are industrial chemicals that have been used to make certain plastic products applied in chicken farms, including food and water containers. They are endocrine disrupting chemicals (EDCs) with xenoestrogenic activities and affect reproductive success in many ways. It was hypothesized that BPA and BPS could adversely affect the folliculogenesis in chickens due to their disruption of the estrogen responses, using either genomic or non-genomic mechanisms. This study investigated the deleterious effects of BPA and BPS on the ovaries when adult layer chickens were orally treated with these EDCs at 50 μg/kg body weight, the reference dose for chronic oral exposure of BPA established by the U.S. EPA. The chickens in both BPA and BPS-treated groups showed a decreased number of the preovulatory follicles. BPA-treated chickens showed a significant decrease in the diameter of F1. Additionally, both BPA and BPS treatments increased the infiltrations of lymphocytes and plasma cells in ovaries. Moreover, it was found that the ovaries of BPS-treated chickens weighed the most among the groups. RNA sequencing and subsequent pathway enrichment analysis of differentially expressed genes revealed that both BPA- and BPS-treatment groups showed significant changes in gene expression and pathways related to reproduction, immune function and carcinogenesis. Taken together, both BPA and BPS are potentially carcinogenic and have deleterious effects on the fertility of laying chickens by inducing inflammation, suggesting that BPS may not be a safe replacement for BPA.
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Affiliation(s)
- Fatma Eldefrawy
- Department of Anatomy and Embryology, College of Veterinary Medicine, Alexandria University, Egypt; Department of Veterinary Biomedical Sciences, University of Georgia, Athens, GA, United States
| | - Hannah Shibo Xu
- Department of Veterinary Biomedical Sciences, University of Georgia, Athens, GA, United States
| | - Elizabeth Pusch
- Department of Poultry Science, College of Agricultural and Environmental Sciences, University of Georgia, Athens, GA, United States
| | - Ashraf Karkoura
- Department of Anatomy and Embryology, College of Veterinary Medicine, Alexandria University, Egypt
| | - Mohamed Alsafy
- Department of Anatomy and Embryology, College of Veterinary Medicine, Alexandria University, Egypt
| | - Samir Elgendy
- Department of Anatomy and Embryology, College of Veterinary Medicine, Alexandria University, Egypt
| | - Susan M Williams
- Department of Population Health, Poultry Diagnostic and Research Center, University of Georgia, Athens, GA, United States
| | - Kristen Navara
- Department of Poultry Science, College of Agricultural and Environmental Sciences, University of Georgia, Athens, GA, United States
| | - Tai L Guo
- Department of Veterinary Biomedical Sciences, University of Georgia, Athens, GA, United States.
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16
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Abdel-Wahab A, Hassanin KMA, Ibrahim SS, El-Kossi DMMH, Abdel-Razik ARH. Developmental Programming: Physiological Impacts of Prenatal Melatonin Administration on Reproductive Capacity and Serum Triiodothyronine of Adult Female Offspring Rat Born to Moms Exposed to Bisphenol A During Pregnancy. Reprod Sci 2021; 28:1956-1966. [PMID: 33469879 DOI: 10.1007/s43032-020-00452-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Accepted: 12/29/2020] [Indexed: 11/30/2022]
Abstract
Gestational bisphenol A (BPA) exposure induced multiple programmed diseases in the adult offsprings. Thus, this study targeted exploring the physiological impacts of melatonin (MEL) as a reprogramming strategy against in utero BPA exposure on reproductive capacity of adult F1 female rat offspring. Forty adult pregnant albino female rats were divided equally into 5 groups (n = 8): group I (control), group II (low-dose BPA; 25 μg BPA/kg B.w.t.), group III (low-dose BPA + 10 mg MEL/kg B.w.t.), group IV (high-dose BPA; 250 μg/kg B.w.t.), and group V (high-dose BPA + MEL). Treatments were given daily by subcutaneous (s/c) injection from the fourth day of pregnancy until full term. After delivery, female offspring were selected, and on postnatal day 60, adult offspring were examined for estrus regularity and then were sacrificed at estrus to collect blood and tissue samples. Findings clarified that in utero BPA exposure (both doses) increased significantly (P < 0.05) the ovarian weights and the serum levels of estrogen but decreased that of triiodothyronine (T3) compared to control groups. Significant increasing of serum malondialdehyde (MDA) and decreasing of total antioxidant capacity (TAC) were also detected. Both doses of BPA disturbed remarkably the estrus cycles and caused marked aberrations in ovarian and uterine tissues. Interestingly, prenatal MEL co-treatment with BPA mitigated significantly all of these degenerative changes. Thus, this study first demonstrated that prenatal MEL therapy could be used as a potent reprogramming intervention against BPA-induced reproductive disorders in the adult F1 female rat offspring.
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Affiliation(s)
- Ahmed Abdel-Wahab
- Physiology Department, Faculty of Veterinary Medicine, Minia University, Minia, 61519, Egypt.
| | - Kamel M A Hassanin
- Biochemistry Department, Faculty of Veterinary Medicine, Minia University, Minia, 61519, Egypt
| | - Shawky S Ibrahim
- Physiology Department, Faculty of Veterinary Medicine, Beni-Suef University, Beni-Suef, 62511, Egypt
| | - Dina M M H El-Kossi
- Physiology Department, Faculty of Veterinary Medicine, Minia University, Minia, 61519, Egypt
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17
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The Influence of Environmental Factors on Ovarian Function, Follicular Genesis, and Oocyte Quality. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1300:41-62. [PMID: 33523429 DOI: 10.1007/978-981-33-4187-6_3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Endocrine-disrupting chemicals (EDCs) exist ubiquitously in the environment. Epidemiological data suggest that the increasing prevalence of infertility may be related to the numerous chemicals. Exposure to EDCs may have significant adverse impacts on the reproductive system including fertility, ovarian reserve, and sex steroid hormone levels. This chapter covers the common exposure ways, the origins of EDCs, and their effects on ovarian function, follicular genesis, and oocyte quality. Furthermore, we will review the origin and the physiology of ovarian development, as well as explore the mechanisms in which EDCs act on the ovary from human and animal data. And then, we will focus on the bisphenol A (BPA), which has been shown to reduce fertility and ovarian reserve, as well as disrupt steroidogenesis in animal and human models. Finally, we will discuss the future direction of prevention and solution methods.
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18
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Heindel JJ, Belcher S, Flaws JA, Prins GS, Ho SM, Mao J, Patisaul HB, Ricke W, Rosenfeld CS, Soto AM, Vom Saal FS, Zoeller RT. Data integration, analysis, and interpretation of eight academic CLARITY-BPA studies. Reprod Toxicol 2020; 98:29-60. [PMID: 32682780 PMCID: PMC7365109 DOI: 10.1016/j.reprotox.2020.05.014] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 05/03/2020] [Accepted: 05/25/2020] [Indexed: 12/12/2022]
Abstract
"Consortium Linking Academic and Regulatory Insights on BPA Toxicity" (CLARITY-BPA) was a comprehensive "industry-standard" Good Laboratory Practice (GLP)-compliant 2-year chronic exposure study of bisphenol A (BPA) toxicity that was supplemented by hypothesis-driven independent investigator-initiated studies. The investigator-initiated studies were focused on integrating disease-associated, molecular, and physiological endpoints previously found by academic scientists into an industry standard guideline-compliant toxicity study. Thus, the goal of this collaboration was to provide a more comprehensive dataset upon which to base safety standards and to determine whether industry-standard tests are as sensitive and predictive as molecular and disease-associated endpoints. The goal of this report is to integrate the findings from the investigator-initiated studies into a comprehensive overview of the observed impacts of BPA across the multiple organs and systems analyzed. For each organ system, we provide the rationale for the study, an overview of methodology, and summarize major findings. We then compare the results of the CLARITY-BPA studies across organ systems with the results of previous peer-reviewed studies from independent labs. Finally, we discuss potential influences that contributed to differences between studies. Developmental exposure to BPA can lead to adverse effects in multiple organs systems, including the brain, prostate gland, urinary tract, ovary, mammary gland, and heart. As published previously, many effects were at the lowest dose tested, 2.5μg/kg /day, and many of the responses were non-monotonic. Because the low dose of BPA affected endpoints in the same animals across organs evaluated in different labs, we conclude that these are biologically - and toxicologically - relevant.
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Affiliation(s)
- Jerrold J Heindel
- Healthy Environment and Endocrine Disruptor Strategies Commonweal, Bolinas, CA 94924, United States.
| | - Scott Belcher
- Department of Biological Sciences, North Carolina State University, Raleigh, NC 27695, United States
| | - Jodi A Flaws
- Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, Urbana, IL 61802, United States
| | - Gail S Prins
- Department of Urology, College of Medicine, University of Illinois at Chicago, Chicago IL 60612, United States
| | - Shuk-Mei Ho
- Department of Environmental Health, University of Cincinnati, Cincinnati OH 45267, United States; Department of Pharmacology and Toxicology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, United States
| | - Jiude Mao
- Biomedical Sciences and Bond Life Sciences Center, University of Missouri, Columbia, MO 65211, United States
| | - Heather B Patisaul
- Department of Biological Sciences, North Carolina State University, Raleigh, NC 27695, United States
| | - William Ricke
- Department of Urology, University of Wisconsin, Madison WI 53705, United States
| | - Cheryl S Rosenfeld
- Biomedical Sciences and Bond Life Sciences Center, University of Missouri, Columbia, MO 65211, United States
| | - Ana M Soto
- Tufts University, Boston, MA 02111, United States
| | - Frederick S Vom Saal
- Department of Biology, University of Missouri, Columbia, MO 65211, United States
| | - R Thomas Zoeller
- Department of Biology, University of Massachusetts, Amherst, MA 01003, United States
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Pagotto R, Santamaría CG, Harreguy MB, Abud J, Zenclussen ML, Kass L, Crispo M, Muñoz-de-Toro MM, Rodriguez HA, Bollati-Fogolín M. Perinatal exposure to Bisphenol A disturbs the early differentiation of male germ cells. Reprod Toxicol 2020; 98:117-124. [PMID: 32956838 DOI: 10.1016/j.reprotox.2020.09.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2020] [Revised: 09/02/2020] [Accepted: 09/05/2020] [Indexed: 12/27/2022]
Abstract
Understanding the effects of Bisphenol A (BPA) on early germ cell differentiation and their consequences in adult life is an area of growing interest in the field of endocrine disruption. Herein, we investigate whether perinatal exposure to BPA affects the differentiation of male germ cells in early life using a transgenic mouse expressing the GFP reporter protein under the Oct4 promoter. In this model, the expression of GFP reflects the expression of the Oct4 gene. This pluripotency gene is required to maintain the spermatogonial stem cells in an undifferentiated stage. Thus, GFP expression was used as a parameter to evaluate the effect of BPA on early germ cell development. Female pregnant transgenic mice were exposed to BPA by oral gavage, from embryonic day 5.5 to postnatal day 7 (PND7). The effects of BPA on male germ cell differentiation were evaluated at PND7, while sperm quality, testicular morphology, and protein expression of androgen receptor and proliferating cell nuclear antigen were studied at PND130. We found that perinatal/lactational exposure to BPA up-regulates the expression of Oct4-driven GFP in testicular cells at PND7. This finding suggests a higher proportion of undifferentiated spermatogonia in BPA-treated animals compared with non-exposed mice. Moreover, in adulthood, the number of spermatozoa per epididymis was reduced in those animals perinatally exposed to BPA. This work shows that developmental exposure to BPA disturbed the normal differentiation of male germ cells early in life, mainly by altering the expression of Oct4 and exerted long-lasting sequelae at the adult stage, affecting sperm count and testis.
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Affiliation(s)
- Romina Pagotto
- Cell Biology Unit, Institut Pasteur de Montevideo, Mataojo 2020, CP 11400 Montevideo, Uruguay
| | - Clarisa G Santamaría
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Ciudad Universitaria UNL, Ruta Nacional N°168, km 472, CPA S3000ZAA, Santa Fe, Argentina
| | - María Belén Harreguy
- Cell Biology Unit, Institut Pasteur de Montevideo, Mataojo 2020, CP 11400 Montevideo, Uruguay
| | - Julián Abud
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Ciudad Universitaria UNL, Ruta Nacional N°168, km 472, CPA S3000ZAA, Santa Fe, Argentina
| | - María Laura Zenclussen
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Ciudad Universitaria UNL, Ruta Nacional N°168, km 472, CPA S3000ZAA, Santa Fe, Argentina
| | - Laura Kass
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Ciudad Universitaria UNL, Ruta Nacional N°168, km 472, CPA S3000ZAA, Santa Fe, Argentina
| | - Martina Crispo
- Transgenic and Experimental Animal Unit, Institut Pasteur de Montevideo, Mataojo 2020, CP 11400 Montevideo, Uruguay
| | - Mónica M Muñoz-de-Toro
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Ciudad Universitaria UNL, Ruta Nacional N°168, km 472, CPA S3000ZAA, Santa Fe, Argentina
| | - Horacio A Rodriguez
- Instituto de Salud y Ambiente del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Ciudad Universitaria UNL, Ruta Nacional N°168, km 472, CPA S3000ZAA, Santa Fe, Argentina
| | - Mariela Bollati-Fogolín
- Cell Biology Unit, Institut Pasteur de Montevideo, Mataojo 2020, CP 11400 Montevideo, Uruguay.
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20
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Aslanturk A, Uzunhisarcikli M. Protective potential of curcumin or taurine on nephrotoxicity caused by bisphenol A. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:23994-24003. [PMID: 32304054 DOI: 10.1007/s11356-020-08716-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2019] [Accepted: 04/01/2020] [Indexed: 06/11/2023]
Abstract
Bisphenol A (BPA) received heightened attention in the recent years due to humans continuously being exposed to it. This study explores the effect of taurine or curcumin on subacute BPA treatment-induced nephrotoxicity in rats (Rattus norvegicus). Forty-two adult albino male rats were exposed to BPA (130 mg/kg daily) for 28 days by gastric gavage. BPA led to lipid peroxidation, inhibiting antioxidant enzyme activities like catalase (CAT), superoxide dismutase (SOD), glutathione peroxidase (GPx), and glutathione S-transferase (GST). BPA exposure also induced histopathological changes like tubular and glomerular degeneration, vascular congestion, and interstitial cell infiltration in kidney tissue. Cotreatment with taurine (100 mg/kg daily) or curcumin (100 mg/kg daily) alleviated the lipid peroxidation level and antioxidant enzyme activities and histological alterations brought about by BPA. In this study, curcumin and taurine application provided protection against renal toxicity caused by BPA but did not prevent toxic effect completely.
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Affiliation(s)
- Ayse Aslanturk
- Vocational High School of Health Services, Gazi University, 06830, Golbasi, Ankara, Turkey.
| | - Meltem Uzunhisarcikli
- Vocational High School of Health Services, Gazi University, 06830, Golbasi, Ankara, Turkey
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21
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Pivonello C, Muscogiuri G, Nardone A, Garifalos F, Provvisiero DP, Verde N, de Angelis C, Conforti A, Piscopo M, Auriemma RS, Colao A, Pivonello R. Bisphenol A: an emerging threat to female fertility. Reprod Biol Endocrinol 2020; 18:22. [PMID: 32171313 PMCID: PMC7071611 DOI: 10.1186/s12958-019-0558-8] [Citation(s) in RCA: 107] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Accepted: 12/19/2019] [Indexed: 02/07/2023] Open
Abstract
Bisphenol-A (BPA) has been reported to be associated to female infertility. Indeed, BPA has been found to be more frequently detected in infertile women thus leading to hypothesize a possible effect of BPA on natural conception and spontaneous fecundity. In addition, in procedures of medically assisted reproduction BPA exposure has been found to be negatively associated with peak serum estradiol levels during gonadotropin stimulation, number of retrieved oocytes, number of normally fertilized oocytes and implantation. BPA deleterious effects are more critical during perinatal exposure, causing dysregulation of hypothalamic-pituitary-ovarian axis in pups and adults, with a precocious maturation of the axis through a damage of GnRH pulsatility, gonadotropin signaling and sex steroid hormone production. Further, BPA exposure during early lifestage may have a transgenerational effect predisposing the subsequent generations to the risk of developing BPA related disease. Experimental studies suggested that prenatal, perinatal and postnatal exposure to BPA can impair several steps of ovarian development, induce ovarian morphology rearrangement and impair ovarian function, particularly folliculogenesis, as well as can impair uterus morphology and function, in female adult animal and offspring. Finally, studies carried out in animal models have been reported the occurrence of endometriosis-like lesions after BPA exposure. Moreover, BPA exposure has been described to encourage the genesis of PCOS-like abnormalities through the impairment of the secretion of sex hormones affecting ovarian morphology and functions, particularly folliculogenesis. The current manuscript summarizes the evidence regarding the association between BPA exposure and female infertility, reviewing both clinical and preclinical studies.
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Affiliation(s)
- Claudia Pivonello
- Dipartimento di Medicina Clinica e Chirurgia, Sezione di Endocrinologia, Università "Federico II" di Napoli, Via Sergio Pansini, 5, Naples, Italy
| | - Giovanna Muscogiuri
- Dipartimento di Medicina Clinica e Chirurgia, Sezione di Endocrinologia, Università "Federico II" di Napoli, Via Sergio Pansini, 5, Naples, Italy.
| | - Antonio Nardone
- Dipartimento di Sanità Pubblica, Università "Federico II" di Napoli, Naples, Italy
| | - Francesco Garifalos
- Dipartimento di Medicina Clinica e Chirurgia, Sezione di Endocrinologia, Università "Federico II" di Napoli, Via Sergio Pansini, 5, Naples, Italy
- FERTISEXCARES Centro di Andrologia, Medicina della Riproduzione e della Sessualità Maschile e Femminile, Università "Federico II" di Napoli, Naples, Italy
| | - Donatella Paola Provvisiero
- Dipartimento di Medicina Clinica e Chirurgia, Sezione di Endocrinologia, Università "Federico II" di Napoli, Via Sergio Pansini, 5, Naples, Italy
- Dipartimento di Sanità Pubblica, Università "Federico II" di Napoli, Naples, Italy
- I.O.S. & COLEMAN Srl, Naples, Italy
| | - Nunzia Verde
- Dipartimento di Medicina Clinica e Chirurgia, Sezione di Endocrinologia, Università "Federico II" di Napoli, Via Sergio Pansini, 5, Naples, Italy
- FERTISEXCARES Centro di Andrologia, Medicina della Riproduzione e della Sessualità Maschile e Femminile, Università "Federico II" di Napoli, Naples, Italy
| | - Cristina de Angelis
- Dipartimento di Medicina Clinica e Chirurgia, Sezione di Endocrinologia, Università "Federico II" di Napoli, Via Sergio Pansini, 5, Naples, Italy
- Dipartimento di Sanità Pubblica, Università "Federico II" di Napoli, Naples, Italy
- FERTISEXCARES Centro di Andrologia, Medicina della Riproduzione e della Sessualità Maschile e Femminile, Università "Federico II" di Napoli, Naples, Italy
- I.O.S. & COLEMAN Srl, Naples, Italy
| | - Alessandro Conforti
- Dipartimento di Neuroscienze, Scienze Riproduttive ed Odontostomatologiche, Università "Federico II" di Napoli, Naples, Italy
| | - Mariangela Piscopo
- Dipartimento di Medicina Clinica e Chirurgia, Sezione di Endocrinologia, Università "Federico II" di Napoli, Via Sergio Pansini, 5, Naples, Italy
- FERTISEXCARES Centro di Andrologia, Medicina della Riproduzione e della Sessualità Maschile e Femminile, Università "Federico II" di Napoli, Naples, Italy
- Laboratory of Seminology-sperm bank "Loredana Gandini", Department of Experimental Medicine, University of Rome "La Sapienza", Rome, Italy
| | - Renata Simona Auriemma
- Dipartimento di Medicina Clinica e Chirurgia, Sezione di Endocrinologia, Università "Federico II" di Napoli, Via Sergio Pansini, 5, Naples, Italy
| | - Annamaria Colao
- Dipartimento di Medicina Clinica e Chirurgia, Sezione di Endocrinologia, Università "Federico II" di Napoli, Via Sergio Pansini, 5, Naples, Italy
- FERTISEXCARES Centro di Andrologia, Medicina della Riproduzione e della Sessualità Maschile e Femminile, Università "Federico II" di Napoli, Naples, Italy
- Cattedra Unesco "Educazione alla salute e allo sviluppo sostenibile", Università "Federico II" di Napoli, Naples, Italy
| | - Rosario Pivonello
- Dipartimento di Medicina Clinica e Chirurgia, Sezione di Endocrinologia, Università "Federico II" di Napoli, Via Sergio Pansini, 5, Naples, Italy
- FERTISEXCARES Centro di Andrologia, Medicina della Riproduzione e della Sessualità Maschile e Femminile, Università "Federico II" di Napoli, Naples, Italy
- Cattedra Unesco "Educazione alla salute e allo sviluppo sostenibile", Università "Federico II" di Napoli, Naples, Italy
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Santamaría CG, Abud JE, Luque EH, Kass L, Rodríguez HA. Culturing Rat Whole Ovary for UV Filter Benzophenone-3 Treatment. ACTA ACUST UNITED AC 2019; 82:e89. [PMID: 31765519 DOI: 10.1002/cptx.89] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
We describe a detailed protocol to establish a newborn rat whole ovary culture, which enables the study of direct effects (independent of hypothalamic-pituitary-gonadal axis) of endocrine disrupting chemicals (EDCs), such as benzophenone-3 (BP-3). This method is useful to understand changes in follicle formation, primordial to primary transition, and expression of regulatory molecules linked to these processes and also provides an alternative to animal models. © 2019 by John Wiley & Sons, Inc. Basic Protocol 1: Rat ovarian surgery Basic Protocol 2: Whole organ/ovarian culture Basic Protocol 3: RNA isolation and quantitative real-time PCR Basic Protocol 4: Histological processing and staining.
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Affiliation(s)
- Clarisa Guillermina Santamaría
- Instituto de Salud y Ambiente del Litoral (ISAL, UNL-CONICET), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL), Santa Fe, Argentina
| | - Julián Elías Abud
- Instituto de Salud y Ambiente del Litoral (ISAL, UNL-CONICET), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL), Santa Fe, Argentina
| | - Enrique Hugo Luque
- Instituto de Salud y Ambiente del Litoral (ISAL, UNL-CONICET), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL), Santa Fe, Argentina
| | - Laura Kass
- Instituto de Salud y Ambiente del Litoral (ISAL, UNL-CONICET), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL), Santa Fe, Argentina
| | - Horacio Adolfo Rodríguez
- Instituto de Salud y Ambiente del Litoral (ISAL, UNL-CONICET), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral (UNL), Santa Fe, Argentina
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23
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Srivastava S, Dhagga N. Dose exposure of Bisphenol- A on female Wistar rats fertility. Horm Mol Biol Clin Investig 2019; 38:/j/hmbci.ahead-of-print/hmbci-2018-0061/hmbci-2018-0061.xml. [PMID: 31063457 DOI: 10.1515/hmbci-2018-0061] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2018] [Accepted: 01/31/2019] [Indexed: 01/15/2023]
Abstract
Background 2, 2-Bis (4-hydroxyphenyl propane [bisphenol A (BPA)] is one of the major environmental pollutants and has the adverse effects on human health. BPA mimics the structure of estrogen and binds to estrogen receptors and alters the secretion of the hormone. It is ingested in humans through the regular use of plastic containers, bottles and food cans. Materials and methods Female Wistar rats were exposed orally to 5, 50, 300, 600 and 800 mg BPA/kg body weight (bd. wt.)/week mixed in olive oil and administered every 168 h for 3 months continuing through the mating, gestation and lactation and its effects on fertility, reproductive organ weight and hormones [LH (luteinizing hormone), FSH (follicle stimulating hormone), estradiol (E2), progesterone (PROG) and PRL (prolactin)] were evaluated. Results The findings revealed that females exposed to BPA exhibited a decrease in female fertility rate and weight of reproductive organs (ovary and uterus) with significant decreased levels of LH, FSH, E2, PROG and PRL in the non-pregnancy phase whereas in cesarean and post-term females, no significance difference was found in fertility rate, reproductive organ weight and hormonal levels. Conclusions These data indicate an increased sensitivity to BPA needs careful evaluation of the current levels of exposure.
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Affiliation(s)
- Seema Srivastava
- Reproductive Physiology Laboratory, Department of Zoology, University of Rajasthan, Jaipur 302004, India, Phone: +91 9214026350
| | - Nupoor Dhagga
- Reproductive Physiology Laboratory, Department of Zoology, University of Rajasthan, Jaipur 302004, India
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24
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Martínez-Peña AA, Peña-Castillo A, Parra-Forero LY, Hernández-Ochoa I, Hernández-Barrientos LR, Morimoto S, Mendoza-Rodríguez CA. Parental perinatal exposure to bisphenol A reduces the threshold to disrupt blastocyst implantation via decreasing talin, occudin and E-cadherin levels. Reprod Toxicol 2019; 86:86-97. [PMID: 31028817 DOI: 10.1016/j.reprotox.2019.04.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Revised: 04/06/2019] [Accepted: 04/22/2019] [Indexed: 11/29/2022]
Abstract
The aim was to evaluate the effect of perinatal BPA exposure of one or both parents on the implantation index and expression of talin, occludin and E-cadherin in the uterine epithelial cells (UEC) of the offspring. Pregnant Wistar dams (F0) received BPA or vehicle from gestational day (GD) 6 to lactation day 21. F1 animals were mated forming four groups: Control dam-Control sire (C♀-C♂), BPA dam -Control sire (B♀-C♂), Control dam -BPA sire (C♀-B♂), BPA dam -BPA sire (B♀-B♂). F1 dams were sacrificed at GD 6. Significantly decreased number of implantation sites was observed in the B♀-B♂ group as compared to the C♀-C♂ group, which correlated with decreased talin apical/basal expression ratio, occludin apical expression, and E-cadherin apical/lateral expression ratio in the UEC. Furthermore, decreased E-cadherin expression in the blastocyst was observed. Our data suggest that reduced protein expressions in F1 BPA offspring could result from decreased progesterone serum levels.
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Affiliation(s)
- Annia A Martínez-Peña
- Facultad de Química, Departamento de Biología, Universidad Nacional Autónoma de México, Ciudad de Mexico 04510, Mexico
| | - Andrea Peña-Castillo
- Facultad de Química, Departamento de Biología, Universidad Nacional Autónoma de México, Ciudad de Mexico 04510, Mexico
| | - L Yuliana Parra-Forero
- Departamento de Toxicología, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (Cinvestav), Ciudad de México 07360, Mexico
| | - Isabel Hernández-Ochoa
- Departamento de Toxicología, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (Cinvestav), Ciudad de México 07360, Mexico
| | - Luis R Hernández-Barrientos
- Facultad de Química, Departamento de Biología, Universidad Nacional Autónoma de México, Ciudad de Mexico 04510, Mexico
| | - Sumiko Morimoto
- Instituto Nacional de Ciencias Médicas y de la Nutrición Salvador Zubirán, Ciudad de Mexico 14080, Mexico
| | - C Adriana Mendoza-Rodríguez
- Facultad de Química, Departamento de Biología, Universidad Nacional Autónoma de México, Ciudad de Mexico 04510, Mexico.
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25
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Mathew H, Mahalingaiah S. Do prenatal exposures pose a real threat to ovarian function? Bisphenol A as a case study. Reproduction 2019; 157:R143-R157. [PMID: 30689546 DOI: 10.1530/rep-17-0734] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Accepted: 01/28/2019] [Indexed: 01/02/2023]
Abstract
Fetal development represents a time of potential vulnerability due to rapid cell division, organ development and limited fetal kidney/liver activity for detoxification and metabolism of exposures. Health effects of prenatal toxicant exposure have previously been described, but there is little cohesive evidence surrounding effects on ovarian function. Using bisphenol A (BPA) as a case study, we seek to examine whether a prominent prenatal environmental exposure can pose a real threat to human ovarian function. To do so, we broadly review human oogenesis and menstrual cycle biology. We then present available literature addressing prenatal bisphenol A and diverse outcomes at the level of the ovary. We highlight relevant human cohorts and mammalian models to review the existing data on prenatal exposures and ovarian disruption. Doing so suggests that while current exposures to BPA have not shown marked or consistent results, there is data sufficient to raise concerns regarding ovarian function. Challenges in the examination of this question suggest the need for additional models and pathways by which to expand these examinations in humans.
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Affiliation(s)
- Hannah Mathew
- Circle Health Diabetes and Endocrine Center, Dracut, Massachusetts, USA.,Department of Endocrinology, Diabetes, Nutrition and Weight Management, Boston Medical Center/Boston University School of Medicine, Boston, Massachusetts, USA
| | - Shruthi Mahalingaiah
- Department of Epidemiology, Boston University School of Public Health, Boston, Massachusetts, USA.,Department of Obstetrics and Gynecology, Boston Medical Center/Boston University School of Medicine, Boston, Massachusetts, USA
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26
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Santamaría C, Abud J, Porporato M, Meyer N, Zenclussen A, Kass L, Rodríguez H. The UV filter benzophenone 3, alters early follicular assembly in rat whole ovary cultures. Toxicol Lett 2019; 303:48-54. [DOI: 10.1016/j.toxlet.2018.12.016] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2018] [Revised: 12/20/2018] [Accepted: 12/28/2018] [Indexed: 10/27/2022]
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27
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Silva B, Bertasso I, Pietrobon C, Lopes B, Santos T, Peixoto-Silva N, Carvalho J, Claudio-Neto S, Manhães A, Cabral S, Kluck G, Atella G, Oliveira E, Moura E, Lisboa P. Effects of maternal bisphenol A on behavior, sex steroid and thyroid hormones levels in the adult rat offspring. Life Sci 2019; 218:253-264. [DOI: 10.1016/j.lfs.2018.12.039] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Revised: 12/13/2018] [Accepted: 12/21/2018] [Indexed: 12/12/2022]
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28
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Viguié C, Mhaouty-Kodja S, Habert R, Chevrier C, Michel C, Pasquier E. Evidence-based adverse outcome pathway approach for the identification of BPA as en endocrine disruptor in relation to its effect on the estrous cycle. Mol Cell Endocrinol 2018; 475:10-28. [PMID: 29577943 DOI: 10.1016/j.mce.2018.02.007] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Revised: 02/13/2018] [Accepted: 02/14/2018] [Indexed: 02/04/2023]
Abstract
Proper cyclicity is essential to reach successful optimal fertility. In rats and mice, BPA exposure is repeatedly and reliably reported to show an adverse effect on the estrous cycle after exposures at different life stages. In humans, a possible association between modifications of menstrual cycle characteristics (e.g. length of the cycle, duration of menstrual bleeding) and sub-fecundity or spontaneous abortion has been observed. Alterations of ovarian cyclicity can therefore be definitely considered as an adverse health outcome. As a prerequisite for the EU REACH regulation to identify a substance as an endocrine disruptor and a SVHC,1 the proof has to be established that the substance can have deleterious health effects resulting from an endocrine mode of action. This review provides an overview of the currently available data allowing to conclude that the adverse effects of BPA exposure on ovarian cyclicity is mediated by an endocrine mode of action.
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Affiliation(s)
- Catherine Viguié
- Toxalim (Research Centre in Food Toxicology), INRA, ENVT, INP-Purpan, UPS, Toulouse, France
| | - Sakina Mhaouty-Kodja
- Sorbonne Universités, UPMC Univ Paris 06, INSERM, CNRS, Neuroscience Paris Seine, Institut de Biologie Paris Seine, 75005 Paris, France
| | - René Habert
- Genetic Stability, Stem Cells and Radiations, CEA, INSERM U 967, University Paris-Diderot, CEA Research Center, Fontenay aux Roses, France
| | - Cécile Chevrier
- INSERM, UMR1085, Researche Institute for Environmental and Occupational Health, Rennes, France
| | - Cécile Michel
- ANSES, Risk Assessment Department, Maisons-Alfort, France
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29
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Ma S, Li R, Gong X, Shi W, Zhong X. Lycopene reduces in utero bisphenol A exposure-induced mortality, benefits hormones, and development of reproductive organs in offspring mice. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:24041-24051. [PMID: 29948678 DOI: 10.1007/s11356-018-2395-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Accepted: 05/24/2018] [Indexed: 06/08/2023]
Abstract
This study was conducted to investigate the protective effect of lycopene on reproductive toxicity induced by in utero exposure to bisphenol A (BPA) in offspring mice. Pregnant mice in the BPA model group were given orally 500 mg/kg/day BPA from pregnant day (PD)8 to PD14. Mice of lycopene group were gavaged with 20 mg/kg/day lycopene from PD1 to PD7 and then given 500 mg/kg/day BPA from PD8 to PD14. Results showed that lycopene reduced the elevated mortality in offspring mice of the mother exposed to BPA. BPA lowered the levels of testosterone, luteinizing hormone, and follicle-stimulating hormone while lycopene treatment increased the levels significantly. BPA elevated estradiol while lycopene lowered estradiol in the offspring. BPA caused testicular damage as shown by less Leydig cells and ovarian injury as shown by less corpus granules in adult offspring, while lycopene decreased the damages. Maternal exposure to BPA increased Bax and decreased Bcl-2 in testicular and ovary tissues in the offspring mice. Lycopene decreased Bax in testis and ovary and increased Bcl-2 in ovary tissues in the offspring mice. These findings suggest lycopene has protective effects on in utero BPA exposure-induced reproductive toxicity in offspring mice.
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Affiliation(s)
- Shuang Ma
- College of Animal Science and Technology, Agricultural University of Hebei, Baoding, 071001, China
| | - Ruiwen Li
- College of Traditional Chinese Veterinary Medicine, Agricultural University of Hebei, Baoding, 071001, China
| | - Xincheng Gong
- College of Traditional Chinese Veterinary Medicine, Agricultural University of Hebei, Baoding, 071001, China
| | - Wanyu Shi
- College of Traditional Chinese Veterinary Medicine, Agricultural University of Hebei, Baoding, 071001, China.
| | - Xiuhui Zhong
- College of Animal Science and Technology, Agricultural University of Hebei, Baoding, 071001, China.
- College of Traditional Chinese Veterinary Medicine, Agricultural University of Hebei, Baoding, 071001, China.
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30
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Siracusa JS, Yin L, Measel E, Liang S, Yu X. Effects of bisphenol A and its analogs on reproductive health: A mini review. Reprod Toxicol 2018; 79:96-123. [PMID: 29925041 DOI: 10.1016/j.reprotox.2018.06.005] [Citation(s) in RCA: 203] [Impact Index Per Article: 33.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2017] [Revised: 04/24/2018] [Accepted: 06/12/2018] [Indexed: 12/31/2022]
Abstract
Known endocrine disruptor bisphenol A (BPA) has been shown to be a reproductive toxicant in animal models. Its structural analogs: bisphenol S (BPS), bisphenol F (BPF), bisphenol AF (BPAF), and tetrabromobisphenol A (TBBPA) are increasingly being used in consumer products. However, these analogs may exert similar adverse effects on the reproductive system, and their toxicological data are still limited. This mini-review examined studies on both BPA and BPA analog exposure and reproductive toxicity. It outlines the current state of knowledge on human exposure, toxicokinetics, endocrine activities, and reproductive toxicities of BPA and its analogs. BPA analogs showed similar endocrine potencies when compared to BPA, and emerging data suggest they may pose threats as reproductive hazards in animal models. While evidence based on epidemiological studies is still weak, we have utilized current studies to highlight knowledge gaps and research needs for future risk assessments.
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Affiliation(s)
- Jacob Steven Siracusa
- Department of Environmental Health Science, College of Public Health, University of Georgia, Athens, GA 30602, United States
| | - Lei Yin
- Department of Environmental Health Science, College of Public Health, University of Georgia, Athens, GA 30602, United States; ReproTox Biotech LLC, Athens 30602, GA, United States
| | - Emily Measel
- Department of Environmental Health Science, College of Public Health, University of Georgia, Athens, GA 30602, United States
| | - Shenuxan Liang
- Department of Environmental Health Science, College of Public Health, University of Georgia, Athens, GA 30602, United States
| | - Xiaozhong Yu
- Department of Environmental Health Science, College of Public Health, University of Georgia, Athens, GA 30602, United States.
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Yu M, Xu Y, Li M, Li D, Lu Y, Yu D, Du W. Bisphenol A accelerates meiotic progression in embryonic chickens via the estrogen receptor β signaling pathway. Gen Comp Endocrinol 2018; 259:66-75. [PMID: 29113915 DOI: 10.1016/j.ygcen.2017.11.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2017] [Revised: 10/30/2017] [Accepted: 11/03/2017] [Indexed: 01/29/2023]
Abstract
Bisphenol A (BPA) as an endocrine-disrupting chemical with weak estrogenic activity affects formation of primordial follicles. This study aimed to identify the potential effects and molecular mechanisms of BPA on meiosis and primordial follicle formation in chickens. The results suggest that the cortical layer was thickened and the number of germ cells that entered into meiosis was increased in BPA-treated ovaries. The percentage of γH2AX-positive cells increased significantly. In addition, up-regulated mRNA expression of meiotic genes, including stimulated by retinoic acid gene 8 (Stra8), disrupted meiotic cDNA 1 homologue (Dmc1) and synaptonemal complex protein 3 (Scp3) were observed in BPA-treated ovaries. Therefore, progression to meiosis prophase I was accelerated by exposure to BPA. Furthermore, the results demonstrated that injection of BPA resulted in hypomethylation of Dazl (Deleted in A Zoospermia-Like gene) and Stra8 and up-regulation mRNA expression of Dazl and Stra8 during meiotic onset. Finally, the relationship between estrogen receptor (ER) expression and BPA-induced meiosis was revealed using an in vitro ovarian culture system. BPA enhanced ERβ expression at the levels of mRNA and protein, while BPA exerted no significant effect on ERα and membrane-bound estrogen receptor (GPR30) expression. The inducing effects of BPA on meiosis were blocked by ER inhibitor. Collectively, these results demonstrate the dynamic ovarian response to BPA exposure, which indicate that BPA affects the formation of primordial follicles by promoting meiotic progression of oocytes via hypomethylation of Dazl and Stra8 and ERβ signaling pathways.
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Affiliation(s)
- Minli Yu
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, Jiangsu Province, PR China.
| | - Yali Xu
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, Jiangsu Province, PR China
| | - Ming Li
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, Jiangsu Province, PR China
| | - Dongfeng Li
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, Jiangsu Province, PR China
| | - Yinglin Lu
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, Jiangsu Province, PR China
| | - Debing Yu
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, Jiangsu Province, PR China
| | - Wenxing Du
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, Jiangsu Province, PR China.
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Mammadov E, Uncu M, Dalkan C. High Prenatal Exposure to Bisphenol A Reduces Anogenital Distance in Healthy Male Newborns. J Clin Res Pediatr Endocrinol 2018; 10:25-29. [PMID: 28825590 PMCID: PMC5838369 DOI: 10.4274/jcrpe.4817] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
OBJECTIVE To estimate the relationship between cord blood bisphenol A (BPA) levels and anogenital measurements in healthy newborns. METHODS Pregnancy and birth history, together with body mass and length data, anogenital measurements, penile measurements and cord blood samples were obtained from healthy newborns. Cord blood concentration of BPA was analyzed by sandwich enzyme-linked immunosorbent assays kit. RESULTS Among 130 healthy newborns (72 boys, 58 girls), mean anopenile distance was 45.2±6 mm and anoscrotal distance was 21.9±5.4 mm in boys; mean anoclitoral distance was 33.8±6.6 mm and mean anofourchette distance was 12.2±4.9 mm in girls. Mean cord blood BPA level was 4.75±2.18 ng/mL. 90th percentile value for cord blood BPA was 8.26 ng/mL and the analysis showed a statistically significant correlation between anoscrotal distance and cord blood BPA levels above the 90th percentile (p=0.047) in boys. The changes in anogenital distance in girls were not statistically significant. CONCLUSION We showed a significant association between high cord blood BPA levels and shortened anoscrotal distance in male newborns. However, this result should be interpreted with caution since there were no significant external genital abnormalities in our study group.
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Affiliation(s)
- Emil Mammadov
- Near East University Faculty of Medicine, Department of Pediatric Surgery, Nicosia, Cyprus,* Address for Correspondence: Near East University Faculty of Medicine, Department of Pediatric Surgery, Nicosia, Cyprus GSM: +90 533 849 69 05 E-mail:
| | - Murat Uncu
- Near East University Faculty of Medicine, Department of Biochemistry, Nicosia, Cyprus
| | - Ceyhun Dalkan
- Near East University Faculty of Medicine, Department of Pediatrics, Nicosia, Cyprus
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Johansson HKL, Svingen T, Fowler PA, Vinggaard AM, Boberg J. Environmental influences on ovarian dysgenesis - developmental windows sensitive to chemical exposures. Nat Rev Endocrinol 2017; 13:400-414. [PMID: 28450750 DOI: 10.1038/nrendo.2017.36] [Citation(s) in RCA: 85] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
A woman's reproductive health and ability to have children directly affect numerous aspects of her life, from personal well-being and socioeconomic standing, to morbidity and lifespan. In turn, reproductive health depends on the development of correctly functioning ovaries, a process that starts early during fetal life. Early disruption to ovarian programming can have long-lasting consequences, potentially manifesting as disease much later in adulthood. A growing body of evidence suggests that exposure to chemicals early in life, including endocrine-disrupting chemicals, can cause a range of disorders later in life, such as those described in the ovarian dysgenesis syndrome hypothesis. In this Review, we discuss four specific time windows during which the ovary is particularly sensitive to disruption by exogenous insults: gonadal sex determination, meiotic division, follicle assembly and the first wave of follicle recruitment. To date, most evidence points towards the germ cell lineage being the most vulnerable to chemical exposure, particularly meiotic division and follicle assembly. Environmental chemicals and pharmaceuticals, such as bisphenols or mild analgesics (including paracetamol), can also affect the somatic cell lineages. This Review summarizes our current knowledge pertaining to environmental chemicals and pharmaceuticals, and their potential contributions to the development of ovarian dysgenesis syndrome. We also highlight knowledge gaps that need addressing to safeguard female reproductive health.
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Affiliation(s)
- Hanna Katarina Lilith Johansson
- Division of Diet, Disease Prevention and Toxicology, National Food Institute, Technical University of Denmark, Kemitorvet, Building 202, DK-2800 Kgs. Lyngby, Denmark
| | - Terje Svingen
- Division of Diet, Disease Prevention and Toxicology, National Food Institute, Technical University of Denmark, Kemitorvet, Building 202, DK-2800 Kgs. Lyngby, Denmark
| | - Paul A Fowler
- Institute of Medical Sciences, School of Medicine, Medical Sciences and Nutrition, University of Aberdeen, Foresterhill, Aberdeen AB25 2ZD, UK
| | - Anne Marie Vinggaard
- Division of Diet, Disease Prevention and Toxicology, National Food Institute, Technical University of Denmark, Kemitorvet, Building 202, DK-2800 Kgs. Lyngby, Denmark
| | - Julie Boberg
- Division of Diet, Disease Prevention and Toxicology, National Food Institute, Technical University of Denmark, Kemitorvet, Building 202, DK-2800 Kgs. Lyngby, Denmark
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Santamaría CG, Rodriguez HA, Abud JE, Rivera OE, Muñoz-de-Toro M, Luque EH. Impaired ovarian response to exogenous gonadotropins in female rat offspring born to mothers perinatally exposed to Bisphenol A. Reprod Toxicol 2017. [PMID: 28648634 DOI: 10.1016/j.reprotox.2017.06.050] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
The ovary is sensitive to disruption by the environmental estrogen Bisphenol A (BPA). Our aim was to investigate whether perinatal exposure to BPA (50μg/kgday), orally administered, affects ovarian response to exogenous gonadotrophins (PMSG or PMSG+hCG) in prepubertal female offspring. An altered response to gonadotrophins was observed in BPA-exposed rats. Increased proportion of antral follicles, altered levels of ovarian steroidogenic enzymes, gonadotropin receptors, AR and ERβ were observed in PMSG group. Besides that, in response to PMSG+hCG, a persistent high Fshr mRNA expression and a decreased number of follicles with high expression of PR before ovulation were observed. After ovulation, there was an increase in antral atretic follicles, reduced Lhcgr mRNA expression and high serum levels of E2. Therefore, an early exposure to a low dose of BPA during perinatal period induces ovarian changes leading to an altered response to exogenous gonadotropin treatment later in life.
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Affiliation(s)
- C G Santamaría
- Instituto de Salud y Ambiente del Litoral (ISAL, CONICET-UNL), Ciudad Universitaria, Paraje El Pozo s/n, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, CP3000 Santa Fe, Argentina
| | - H A Rodriguez
- Instituto de Salud y Ambiente del Litoral (ISAL, CONICET-UNL), Ciudad Universitaria, Paraje El Pozo s/n, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, CP3000 Santa Fe, Argentina.
| | - J E Abud
- Instituto de Salud y Ambiente del Litoral (ISAL, CONICET-UNL), Ciudad Universitaria, Paraje El Pozo s/n, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, CP3000 Santa Fe, Argentina
| | - O E Rivera
- Instituto de Investigación Agropecuaria, Ambiente y Salud (IIPAAS), Facultad de Ciencias Agrarias, Universidad Nacional de Lomas de Zamora, Buenos Aires, Argentina
| | - M Muñoz-de-Toro
- Instituto de Salud y Ambiente del Litoral (ISAL, CONICET-UNL), Ciudad Universitaria, Paraje El Pozo s/n, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, CP3000 Santa Fe, Argentina
| | - E H Luque
- Instituto de Salud y Ambiente del Litoral (ISAL, CONICET-UNL), Ciudad Universitaria, Paraje El Pozo s/n, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, CP3000 Santa Fe, Argentina
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Tomza-Marciniak A, Stępkowska P, Kuba J, Pilarczyk B. Effect of bisphenol A on reproductive processes: A review of in vitro, in vivo and epidemiological studies. J Appl Toxicol 2017; 38:51-80. [PMID: 28608465 DOI: 10.1002/jat.3480] [Citation(s) in RCA: 84] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2016] [Revised: 03/22/2017] [Accepted: 03/24/2017] [Indexed: 12/23/2022]
Abstract
As bisphenol A (BPA) is characterized by a pronounced influence on human hormonal regulation, particular attention has been aimed at understanding its role in reproductive processes in males and females, as well as on fetal development. Owing to the increasing number of alarming reports on the negative consequences of the presence of BPA in human surroundings, more and more studies are being undertaken to clarify the negative effects of BPA on human reproductive processes. The aim of this work was to collect and summarize data on the influence of BPA exposure on reproductive health. Based on an analysis of selected publications it was stated that there is strong proof confirming that BPA is an ovarian, uterine and prostate toxicant at a level below the lowest observed adverse effect level (50 mg kg-1 bodyweight) as well as a level below the proposed safe level (4 μg kg-1 bodyweight). It seems there is also reliable evidence in relation to the negative effect of BPA on sperm quality and motility. Limited evidence also pertains to the case of the potential of BPA to affect polycystic ovary syndrome occurrence. Although in epidemiological studies this disease was common, in studies on animal models such results were still not confirmed. No unambiguous results of epidemiological studies and with animal models were obtained in relation to the evaluation of associations between BPA and implantation failure in women, evaluation of associations between BPA and sexual dysfunction in men, and impact of BPA on birth rate, birth weight and length of gestation. Copyright © 2017 John Wiley & Sons, Ltd.
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Affiliation(s)
- Agnieszka Tomza-Marciniak
- Department of Animal Reproduction Biotechnology and Environmental Hygiene, West Pomeranian University of Technology in Szczecin, Janickiego 29, 71-270, Szczecin, Poland
| | - Paulina Stępkowska
- Department of Animal Reproduction Biotechnology and Environmental Hygiene, West Pomeranian University of Technology in Szczecin, Janickiego 29, 71-270, Szczecin, Poland
| | - Jarosław Kuba
- Department of Animal Reproduction Biotechnology and Environmental Hygiene, West Pomeranian University of Technology in Szczecin, Janickiego 29, 71-270, Szczecin, Poland
| | - Bogumiła Pilarczyk
- Department of Animal Reproduction Biotechnology and Environmental Hygiene, West Pomeranian University of Technology in Szczecin, Janickiego 29, 71-270, Szczecin, Poland
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Patel S, Brehm E, Gao L, Rattan S, Ziv-Gal A, Flaws JA. Bisphenol A Exposure, Ovarian Follicle Numbers, and Female Sex Steroid Hormone Levels: Results From a CLARITY-BPA Study. Endocrinology 2017; 158:1727-1738. [PMID: 28324068 PMCID: PMC5460936 DOI: 10.1210/en.2016-1887] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2016] [Accepted: 03/08/2017] [Indexed: 12/11/2022]
Abstract
Bisphenol A (BPA) is an industrial chemical found in thermal receipts and food and beverage containers. Previous studies have shown that BPA can affect the numbers and health of ovarian follicles and the production of sex steroid hormones, but they often did not include a wide range of doses of BPA, used a small sample size, focused on relatively short-term exposures to BPA, and/or did not examine the consequences of chronic BPA exposure on the ovaries or steroid levels. Thus, this study was designed to examine the effects of a wide range of doses of BPA on ovarian morphology and sex steroid hormone production. Specifically, this study tested the hypothesis that prenatal and continuous BPA exposure reduces ovarian follicle numbers and sex steroid hormone levels. To test this hypothesis, rats were dosed with vehicle, ethinyl estradiol (0.05 and 0.5 μg/kg body weight/d), or BPA (2.5, 25, 250, 2500, and 25,000 μg/kg body weight/d) from gestation day 6 until 1 year as part of the Consortium Linking Academic and Regulatory Insights on BPA Toxicity (CLARITY-BPA). Ovaries and sera were collected on postnatal days 1, 21, and 90, and at 6 months and 1 year. The ovaries were subjected to histological evaluation of follicle numbers and the sera were subjected to measurements of estradiol and progesterone. Collectively, these data indicate that BPA exposure at some doses and time points affects ovarian follicle numbers and sex steroid levels, but these effects are different than those observed with ethinyl estradiol exposure and some previous studies on BPA.
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Affiliation(s)
- Shreya Patel
- Department of Comparative Biosciences, University of Illinois at Urbana–Champaign, Urbana, Illinois 61802
| | - Emily Brehm
- Department of Comparative Biosciences, University of Illinois at Urbana–Champaign, Urbana, Illinois 61802
| | - Liying Gao
- Department of Comparative Biosciences, University of Illinois at Urbana–Champaign, Urbana, Illinois 61802
| | - Saniya Rattan
- Department of Comparative Biosciences, University of Illinois at Urbana–Champaign, Urbana, Illinois 61802
| | - Ayelet Ziv-Gal
- School of Food and Nutrition, Massey University, Palmerston North 4442, New Zealand
| | - Jodi A. Flaws
- Department of Comparative Biosciences, University of Illinois at Urbana–Champaign, Urbana, Illinois 61802
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Abud JE, Luque EH, Ramos JG, Rodriguez HA. Production of monoclonal antibodies and development of a quantitative immuno-polymerase chain reaction assay to detect and quantify recombinant Glutathione S-transferase. Protein Expr Purif 2017; 135:16-23. [PMID: 28458052 DOI: 10.1016/j.pep.2017.04.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2017] [Revised: 04/25/2017] [Accepted: 04/25/2017] [Indexed: 12/26/2022]
Abstract
GST-tagged proteins are important tools for the production of recombinant proteins. Removal of GST tag from its fusion protein, frequently by harsh chemical treatments or proteolytic methods, is often required. Thus, the monitoring of the proteins in tag-free form requires a significant effort to determine the remnants of GST during purification process. In the present study, we developed both a conventional enzyme-linked immunosorbent assay (ELISA) and an immuno-polymerase chain reaction (IPCR) assay, both specific for detection of recombinant GST (rGST). rGST was expressed in Escherichia coli JM109, using a pGEX4T-3 vector, and several anti-rGST monoclonal antibodies were generated using hybridoma technology. Two of these were rationally selected as capture and detection antibodies, allowing the development of a sandwich ELISA with a limit of detection (LOD) of 0.01 μg/ml. To develop the rGST-IPCR assay, we selected "Universal-IPCR" format, comprising the biotin-avidin binding as the coupling system. In addition, the rGST-IPCR was developed in standard PCR tubes, and the surface adsorption of antibodies on PCR tubes, the optimal neutravidin concentrations, the generation of a reporter DNA and the concentration effect were studied and determined. Under optimized assay conditions, the rGST-IPCR assay provided a 100-fold increase in the LOD as well as an expanded working range, in comparison with rGST-ELISA. The proposed method exhibited great potentiality for application in several fields in which measurement of very low levels of GST is necessary, and might provide a model for other IPCR assays.
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Affiliation(s)
- J E Abud
- Instituto de Salud y Ambiente del Litoral (ISAL, CONICET-UNL), Ciudad Universitaria, Paraje El Pozo s/n, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, CP3000 Santa Fe, Argentina
| | - E H Luque
- Instituto de Salud y Ambiente del Litoral (ISAL, CONICET-UNL), Ciudad Universitaria, Paraje El Pozo s/n, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, CP3000 Santa Fe, Argentina
| | - J G Ramos
- Instituto de Salud y Ambiente del Litoral (ISAL, CONICET-UNL), Ciudad Universitaria, Paraje El Pozo s/n, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, CP3000 Santa Fe, Argentina; Departamento de Bioquímica Clínica y Cuantitativa, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - H A Rodriguez
- Instituto de Salud y Ambiente del Litoral (ISAL, CONICET-UNL), Ciudad Universitaria, Paraje El Pozo s/n, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, CP3000 Santa Fe, Argentina.
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Ziv-Gal A, Flaws JA. Evidence for bisphenol A-induced female infertility: a review (2007-2016). Fertil Steril 2016; 106:827-56. [PMID: 27417731 DOI: 10.1016/j.fertnstert.2016.06.027] [Citation(s) in RCA: 151] [Impact Index Per Article: 18.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2016] [Revised: 05/25/2016] [Accepted: 06/15/2016] [Indexed: 12/18/2022]
Abstract
We summarized the scientific literature published from 2007 to 2016 on the potential effects of bisphenol A (BPA) on female fertility. We focused on overall fertility outcomes (e.g., ability to become pregnant, number of offspring), organs that are important for female reproduction (i.e., oviduct, uterus, ovary, hypothalamus, and pituitary), and reproductive-related processes (i.e., estrous cyclicity, implantation, and hormonal secretion). The reviewed literature indicates that BPA may be associated with infertility in women. Potential explanations for this association can be generated from experimental studies. Specifically, BPA may alter overall female reproductive capacity by affecting the morphology and function of the oviduct, uterus, ovary, and hypothalamus-pituitary-ovarian axis in animal models. In addition, BPA may disrupt estrous cyclicity and implantation. Nevertheless, further studies are needed to better understand the exact mechanisms of action and to detect potential reproductive toxicity at earlier stages.
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Affiliation(s)
- Ayelet Ziv-Gal
- School of Food and Nutrition, Massey University, Palmerston North, New Zealand
| | - Jodi A Flaws
- Comparative Biosciences, University of Illinois at Urbana-Champaign, Urbana, Illinois.
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