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Di D, Tooki T, Zhou H, Cui Z, Zhang R, Zhang JL, Yuan T, Liu Q, Zhou T, Luo X, Ling D, Wang Q. Metal mixture and osteoporosis risk: Insights from plasma metabolite profiling. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 263:115256. [PMID: 37454484 DOI: 10.1016/j.ecoenv.2023.115256] [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: 05/09/2023] [Revised: 07/02/2023] [Accepted: 07/12/2023] [Indexed: 07/18/2023]
Abstract
The pathophysiology of osteoporosis (OP) is influenced by exposure to nonessential harmful metals and insufficient or excessive intake of necessary metals. Investigating multiple plasma metals, metabolites, and OP risk among older adults may reveal novel clues of underlying mechanisms for metal toxicity on bone mass. A total of 294 adults ≥ 55 years from Wuhan communities were included. Plasma concentrations of 23 metals and metabolites were measured via inductively coupled plasma-mass spectrometry and global metabolite detection. To investigate the relationships between plasma metals, OP risk, and OP-related metabolites, three different statistical techniques were used: generalized linear regression model, two-way orthogonal partial least-squares analysis (O2PLS), and weighted quantile sum (WQS). The mean ages were 66.82 and 66.21 years in OP (n = 115) and non-OP (n = 179) groups, respectively. Of all 2999 metabolites detected, 111 differential between-group members were observed. The OP risk decreased by 58.5% (OR=0.415, 95% CI: 0.237, 0.727) per quartile increment in the WQS index indicative of metal mixture exposure. Consistency remained for bone mineral density (BMD) measurements. The O2PLS model identified the top five OP-related metabolites, namely, DG(18:2_22:6), 3-phenoxybenzoic acid, TG(16:1_16:1_22:6), TG(16:0_16:0_20:4), and TG(14:1_18:2_18:3), contributing most to the joint covariation between the metal mixture and metabolites. Significant correlations between each of them and the metal mixture were found using WQS regression. Furthermore, the five metabolites mediated the associations of the metal mixtures, BMD, and OP risk. Our findings shed additional light on the mediation functions of plasma metabolites in the connection between multiple metal co-exposure and OP pathogenesis and offer new insights into the probable mechanisms underpinning the bone effects of the metal mixture.
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Affiliation(s)
- Dongsheng Di
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Tiaeki Tooki
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Haolong Zhou
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhangbo Cui
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ruyi Zhang
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jian-Li Zhang
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Tingting Yuan
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qian Liu
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Tingting Zhou
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiao Luo
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Danyang Ling
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qi Wang
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
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Jougleux JL, Rioux FM, Fiset S, Boudreau LH, Surette ME. Influence of iron-deficient diets during gestation and lactation on cerebral fatty acids and eicosanoids in guinea pig offspring-Comparison of studies with different sources of dietary lipids. Prostaglandins Leukot Essent Fatty Acids 2019; 149:37-45. [PMID: 31422159 DOI: 10.1016/j.plefa.2019.08.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Revised: 07/26/2019] [Accepted: 08/07/2019] [Indexed: 11/29/2022]
Abstract
Previous studies showed that mild iron deficiency anaemia (IDA) induced by feeding an iron deficient (ID) diet to female guinea pigs during gestation and lactation to alters the auditory functions of the offspring when corn oil is the only source of dietary lipids. Conversely, feeding an ID diet with a dietary fatty acid composition similar to that of typical human western diets induced minor impairments. Since tissue fatty acid metabolism is affected by dietary iron, the current study measured the impacts of these ID diets (ID-corn and ID-west) compared to the corresponding iron-sufficient control diets (IS-corn and IS-west) on encephalum fatty acid metabolism in the offspring at post-natal day 24. IDA induced by the ID-corn diet resulted in significant increases in encephalum n-6 PUFA content, but IDA induced by the ID-west diet had little impact on fatty acid profiles compared to the IS-west group. Brain COX II protein expression and FADS2 mRNA expression were statistically unaffected in both experiments, but encephalum PGE2 concentrations were significantly reduced in ID-west pups. These results suggest IDA studies during prenatal development should consider dietary lipid compositions.
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Affiliation(s)
- Jean-Luc Jougleux
- Département de Chimie et Biochimie, Université de Moncton, 18 Antonine-Maillet Avenue, Moncton, NB, E1A 3E9, Canada
| | - France M Rioux
- École des sciences de la Nutrition, Faculté des Sciences de la Santé, Université d'Ottawa, Ottawa, ON, K1N 6N5, Canada
| | - Sylvain Fiset
- Secteur Administration et Sciences Humaines, Université de Moncton, Campus Edmundston, Edmundston, NB, E3V 2S8, Canada
| | - Luc H Boudreau
- Département de Chimie et Biochimie, Université de Moncton, 18 Antonine-Maillet Avenue, Moncton, NB, E1A 3E9, Canada
| | - Marc E Surette
- Département de Chimie et Biochimie, Université de Moncton, 18 Antonine-Maillet Avenue, Moncton, NB, E1A 3E9, Canada.
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Fu J, Yang A, Zhao J, Zhu Y, Gu Y, Xu Y, Chen D. The relationship between iron level and thyroid function during the first trimester of pregnancy: A cross-sectional study in Wuxi, China. J Trace Elem Med Biol 2017; 43:148-152. [PMID: 28126204 DOI: 10.1016/j.jtemb.2017.01.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2016] [Revised: 01/03/2017] [Accepted: 01/13/2017] [Indexed: 11/22/2022]
Abstract
Our objective was to evaluate the relationship between iron level and thyroid function during the first trimester of pregnancy in Eastern China. This was a hospital-based, cross-sectional observational study. A total of 1764 pregnant women were enrolled during their first trimester of gestation in Wuxi city. Serum ferritin (SF), hemoglobin (Hb), urinary iodine concentrations (UIC), thyroid-stimulating hormone (TSH), free thyroxine (FT4) and free triiodothyronine (FT3) were measured and evaluated in pregnant women. The median of TSH,FT4 and FT3 were 1.53mIU/L,10.43pmol/L and 4.50pmol/L respectively. The median UIC was 200μg/L and the median Hb was 126g/L. Of all the women, 1.76% of the subjects had iron deficiency anaemia (IDA) (SF<20μg/L and Hb<105g/L), and 39.06% of the population had iron deficiency (ID) (SF<15μg/L). Compared with SF>100μg/L group, the FT4 level was significantly lower in SF<20μg/L group (P=0.031) and in SF 20-100μg/L group (P=0.048). The TSH value of SF>20μg/L group was significantly higher than that in SF 20-100μg/L group (P=0.038) and SF>100μg/L group(P=0.034). There was an inverse linear relationship between TSH and FT4 after log transformation (r=0.245,P=0.000). Moreover, spearman's correlation analysis showed that UIC were correlated with SF and FT3 (all P<0.001) and iodine status more than adequate was associated with reduced serum ferritin concentration and FT3 levels. Thus, it is recommended that iron deficiency and iron deficiency anaemia shoud be evaluated and treated to combat thyroid dysfunction during the first trimester of pregnancy, Meanwhile, an increased attention should be paid on iodine nutritional status among this pregnant women simultaneous iron deficiency and thyroid dysfunction.
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Affiliation(s)
- Jinyan Fu
- Department of Obstetrics, Wuxi Maternity and Child Health Hospital Affiliated to Nanjing Medical University, Wuxi, Jiangsu, China.
| | - Anqiang Yang
- Department of Pathology, Wuxi Maternity and Child Health Hospital Affiliated to Nanjing Medical University, Wuxi, Jiangsu, China
| | - Jun Zhao
- Clinical laboratory, Wuxi Maternity and Child Health Hospital Affiliated to Nanjing Medical University, Wuxi, Jiangsu, China
| | - Yunlong Zhu
- Department of Obstetrics, Wuxi Maternity and Child Health Hospital Affiliated to Nanjing Medical University, Wuxi, Jiangsu, China
| | - Ying Gu
- Department of Obstetrics, Wuxi Maternity and Child Health Hospital Affiliated to Nanjing Medical University, Wuxi, Jiangsu, China
| | - Yaohui Xu
- Clinical laboratory, Wuxi Maternity and Child Health Hospital Affiliated to Nanjing Medical University, Wuxi, Jiangsu, China
| | - Daozhen Chen
- Clinical laboratory, Wuxi Maternity and Child Health Hospital Affiliated to Nanjing Medical University, Wuxi, Jiangsu, China
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Jougleux JL, Rioux FM, Church MW, Fiset S, Jacques H, Surette ME. Dietary LC-PUFA in iron-deficient anaemic pregnant and lactating guinea pigs induce minor defects in the offsprings' auditory brainstem responses. Nutr Neurosci 2016; 19:447-460. [PMID: 25138699 DOI: 10.1179/1476830514y.0000000140] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
OBJECTIVES We previously demonstrated that a mild pre-natal/early post-natal iron-deficient anaemic (IDA) diet devoid of long-chain polyunsaturated fatty acids (LC-PUFA) affected development, neurophysiology, and cerebral lipid biochemistry of the guinea pigs' progeny. Impacts of dietary LC-PUFA on altered cerebral development resulting from pre-natal IDA are unknown. To address this health issue, impacts of mild gestational IDA in the presence of dietary LC-PUFA on the offsprings' neural maturation were studied in guinea pigs using auditory brainstem responses (ABRs) and assessments of brain fatty acids (FAs). METHODS Female guinea pigs (n = 10/group) were fed an iron sufficient (IS) or IDA diet (146 and 12.7 mg iron/kg, respectively) with physiological amounts of LC-PUFA, during the gestation and lactation periods. From post-natal day (PNd) 9 onwards, the IS + PUFA diet was given to both groups of weaned offspring. Cerebral tissue and offsprings' ABR were collected on PNd24. RESULTS There was no difference in peripheral and brainstem transmission times (BTTs) between IS + PUFA and IDA + PUFA siblings (n = 10/group); the neural synchrony was also similar in both groups. Despite the absence of differences in auditory thresholds, IDA + PUFA siblings demonstrated a sensorineural hearing loss in the extreme range of frequencies (32, 4, and 2 kHz), as well as modified brain FA profiles compared to the IS + PUFA siblings. DISCUSSION The present study reveals that siblings born from dams exposed to a moderate IDA diet including balanced physiological LC-PUFA levels during pregnancy and lactation demonstrate minor impairments of ABR compared to the control siblings, particularly on the auditory acuity, but not on neural synchrony, auditory nerve velocity and BTT.
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Affiliation(s)
- Jean-Luc Jougleux
- a Département des Sciences des Aliments et de Nutrition, Faculté des Sciences de l'Agriculture et de l'Alimentation, Université Laval , Québec , QC , Canada
| | - France M Rioux
- b Programme de Nutrition, Faculté des Sciences de la Santé , Université d'Ottawa , Ottawa , ON , Canada
| | - Michael W Church
- c Department of Obstetrics and Gynecology , Wayne State University School of Medicine , Detroit , MI , USA
| | - Sylvain Fiset
- d Secteur Administration et Sciences Humaines, Université de Moncton, Campus Edmundston , Edmundston , NB , Canada
| | - Hélène Jacques
- a Département des Sciences des Aliments et de Nutrition, Faculté des Sciences de l'Agriculture et de l'Alimentation, Université Laval , Québec , QC , Canada
| | - Marc E Surette
- e Département de Chimie et Biochimie , Université de Moncton , Moncton , NB , Canada
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Fiset C, Rioux FM, Surette ME, Fiset S. Prenatal Iron Deficiency in Guinea Pigs Increases Locomotor Activity but Does Not Influence Learning and Memory. PLoS One 2015; 10:e0133168. [PMID: 26186713 PMCID: PMC4506089 DOI: 10.1371/journal.pone.0133168] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2015] [Accepted: 06/24/2015] [Indexed: 11/25/2022] Open
Abstract
The objective of the current study was to determine whether prenatal iron deficiency induced during gestation in guinea pigs affected locomotor activity and learning and memory processes in the progeny. Dams were fed either iron-deficient anemic or iron-sufficient diets throughout gestation and lactation. After weaning, all pups were fed an iron-sufficient diet. On postnatal day 24 and 40, the pups’ locomotor activity was observed within an open-field test, and from postnatal day 25 to 40, their learning and memory processes were assessed within a Morris Water Maze. The behavioural and cognitive tests revealed that the iron deficient pup group had increased locomotor activity, but solely on postnatal day 40, and that there were no group differences in the Morris Water Maze. In the general discussion, we propose that prenatal iron deficiency induces an increase in nervousness due to anxiety in the progeny, which, in the current study, resulted in an increase of locomotor activity.
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Affiliation(s)
- Catherine Fiset
- Programme de nutrition, Faculté des Sciences de la Santé, Université d’Ottawa, Ottawa, Ontario, Canada
| | - France M. Rioux
- Programme de nutrition, Faculté des Sciences de la Santé, Université d’Ottawa, Ottawa, Ontario, Canada
| | - Marc E. Surette
- Département de Chimie et Biochimie, Université de Moncton, Moncton, New Brunswick, Canada
| | - Sylvain Fiset
- Secteur des Sciences Humaines, Université de Moncton, Campus d’Edmundston, Edmundston, New Brunswick, Canada
- * E-mail:
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Yui K, Imataka G, Nakamura H, Ohara N, Naito Y. Eicosanoids Derived From Arachidonic Acid and Their Family Prostaglandins and Cyclooxygenase in Psychiatric Disorders. Curr Neuropharmacol 2015; 13:776-85. [PMID: 26521945 PMCID: PMC4759316 DOI: 10.2174/1570159x13666151102103305] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2015] [Revised: 02/25/2015] [Accepted: 02/25/2015] [Indexed: 12/31/2022] Open
Abstract
Arachidonic acid (AA)-derived lipid mediators are called eicosanoids. Eicosanoids have emerged as key regulators of a wide variety of physiological responses and pathological processes, and control important cellular processes. AA can be converted into biologically active compounds by metabolism by cyclooxygenases (COX). Beneficial effect of COX-2 inhibitor celecoxib add-on therapy has been reported in early stage of schizophrenia. Moreover, add-on treatment of celecoxib attenuated refractory depression and bipolar depression. Further, the COX/prostaglandin E pathway play an important role in synaptic plasticity and may be included in pathophysiology in autism spectrum disorders (ASD). In this regard, plasma transferrin, which is an iron mediator related to eicosanoid signaling, may be related to social impairment of ASD. COX-2 is typically induced by inflammatory stimuli in the majority of tissues, and the only isoform responsible for propagating the inflammatory response. Thus, COX-2 inhibitors considered as the best target for Alzheimer's disease.
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Affiliation(s)
- Kunio Yui
- Research Institute of Pervasive Developmental Disorders, Ashiya University Graduate School of Education. Rokurokusocho 13-22, Ashiya 659-8511, Hyogo, Japan.
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Baumgartner J, Smuts CM, Zimmermann MB. Providing male rats deficient in iron and n-3 fatty acids with iron and alpha-linolenic acid alone affects brain serotonin and cognition differently from combined provision. Lipids Health Dis 2014; 13:97. [PMID: 24928171 PMCID: PMC4068877 DOI: 10.1186/1476-511x-13-97] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2014] [Accepted: 06/02/2014] [Indexed: 11/10/2022] Open
Abstract
Background We recently showed that a combined deficiency of iron (ID) and n-3 fatty acids (n-3 FAD) in rats disrupts brain monoamine metabolism and produces greater memory deficits than ID or n-3 FAD alone. Providing these double-deficient rats with either iron (Fe) or preformed docosahexaenoic acid (DHA)/eicosapentaenoic acid (EPA) alone affected brain monoamine pathways differently from combined repletion and even exacerbated cognitive deficits associated with double-deficiency. Iron is a co-factor of the enzymes responsible for the conversion of alpha-linolenic acid (ALA) to EPA and DHA, thus, the provision of ALA with Fe might be more effective in restoring brain EPA and DHA and improving cognition in double-deficient rats than ALA alone. Methods In this study we examined whether providing double-deficient rats with ALA and Fe, alone or in combination, can correct deficits in monoamine metabolism and cognition associated with double-deficiency. Using a 2 × 2 design, male rats with concurrent ID and n-3 FAD were fed an Fe + ALA, Fe + n-3 FAD, ID + ALA, or ID + n-3 FAD diet for 5 weeks (postnatal day 56–91). Biochemical measures, and spatial working and reference memory (using the Morris water maze) were compared to age-matched controls. Results In the hippocampus, we found a significant Fe × ALA interaction on DHA: Compared to the group receiving ALA alone, DHA was significantly higher in the Fe + ALA group. In the brain, we found significant antagonistic Fe × ALA interactions on serotonin concentrations. Provision of ALA alone impaired working memory compared with age-matched controls, while in the reference memory task ALA provided with Fe significantly improved performance. Conclusion These results indicate that providing either iron or ALA alone to double-deficient rats affects serotonin pathways and cognitive performance differently from combined provision. This may be partly explained by the enhancing effect of Fe on the conversion of ALA to EPA and DHA.
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Affiliation(s)
- Jeannine Baumgartner
- Centre of Excellence for Nutrition, North-West University, Private Bag X6001, 2520 Potchefstroom, South Africa.
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Yu F, Hao S, Zhao Y, Ren Y, Yang J, Sun X, Chen J. Mild maternal iron deficiency anemia induces DPOAE suppression and cochlear hair cell apoptosis by caspase activation in young guinea pigs. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2014; 37:291-299. [PMID: 24378594 DOI: 10.1016/j.etap.2013.11.024] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2013] [Revised: 11/22/2013] [Accepted: 11/28/2013] [Indexed: 06/03/2023]
Abstract
Iron deficiency (ID) anemia (IDA) alters auditory neural normal development in the mammalian cochlea. Previous results suggest that mild maternal IDA during pregnancy and lactation altered the hearing and nervous system development of the young offspring, but the mechanisms underlying the association are incompletely understood. The objective of this study was to evaluate the role of apoptosis in the development of sensory hair cells following mild maternal IDA during pregnancy and lactation. We established a maternal anemia model in female guinea pigs by using a mild iron deficient diet. The offspring were weaned on postnatal day (PND) 9 and then was given the iron sufficient diet. Maternal blood samples were collected on gestational day (GD) 21, GD 42, GD 63 and PND 9, serum level of iron (SI) or hemoglobin (Hb) was measured. Blood samples of pups were collected on PND 9 for SI measurement. On PND 24, pups were examined the distortion product otoacoustic emission (DPOAE) task, and then the cochleae were harvested for assessment of apoptosis by immunohistochemistry of cysteine-aspartic acid proteases 3/9 (caspase-3/9) and terminal deoxynucleotidyl transferase-mediated dUTP nick end-labeling (TUNEL) assay, and by double immunofluorescence for the colocalization of TUNEL and caspase-3. Blood samples of pups were collected on PND 24 for SI and Hb measurements. Here we show that mild maternal IDA during pregnancy and lactation resulted in hearing impairment, decreased hair cell number, caspase-3/9 activation and increased apoptotic cell number of young guinea pigs. These results indicate a key role for apoptosis in inhibition of hair cell development, caused by mild maternal IDA during pregnancy and lactation.
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Affiliation(s)
- Fei Yu
- Department of Nutrition and Food Hygiene, School of Public Health, China Medical University, 92 North 2nd Road, Heping District, Shenyang, China.
| | - Shuai Hao
- Department of Otolaryngology, First Affiliated Hospital of China Medical University, Shenyang, China
| | - Yue Zhao
- Department of Nutrition and Food Hygiene, School of Public Health, China Medical University, 92 North 2nd Road, Heping District, Shenyang, China
| | - Yahao Ren
- Department of Nutrition and Food Hygiene, School of Public Health, China Medical University, 92 North 2nd Road, Heping District, Shenyang, China
| | - Jun Yang
- Department of Nutrition and Food Hygiene, School of Public Health, China Medical University, 92 North 2nd Road, Heping District, Shenyang, China
| | - Xiance Sun
- Department of Occupational and Environmental of Health, Dalian Medical University, No. 9 Western Section of Lushun South Road, Dalian, Liaoning, China.
| | - Jie Chen
- Department of Occupational and Environmental of Health, School of Public Health, China Medical University, Shenyang, China.
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Jougleux JL, Rioux FM, Church MW, Fiset S, Surette ME. Mild iron deficiency anaemia during pregnancy and lactation in guinea pigs alters amplitudes and auditory nerve velocity, but not brainstem transmission times in the offspring's auditory brainstem response. Nutr Neurosci 2013; 17:37-47. [PMID: 23602121 DOI: 10.1179/1476830513y.0000000067] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
OBJECTIVES It is well known that postnatal/early childhood iron deficiency (ID) anaemia (IDA) adversely affects infants' cognitive development and neurophysiology. However, the effects of IDA during gestation and lactation on the offspring are largely unknown. To address this health issue, the impact of mild IDA during gestation and lactation on the offsprings' neural maturation was studied in the guinea pig, using auditory brainstem responses (ABRs) latencies and amplitudes. METHODS Female guinea pigs (n = 10/group) were fed an iron sufficient (ISD) or deficient diet (IDD) (144 and 11.7 mg iron/kg) during the gestation and lactation periods. From postnatal day (PNd) 9 onward, the ISD was given to both groups of weaned offspring. The offsprings' ABRs were collected on PNd24 using a broad range of stimulus intensities in response to 2, 4, 8, 16, and 32 kHz tone pips. RESULTS Although the IDA siblings (n = 8) did not differ in brainstem transmission times (BTTs) compared to the IS siblings (n = 8), they showed significant delayed peak I latency at 100 and 80 dB, respectively. Additionally, significantly higher ABR wave amplitudes were observed in the IDA female offspring between 35 and 50 dB (4 kHz), a phenomenon suggestive of a neural hyperactivity (hyperacusis). DISCUSSION In support to our previous findings, the present results indicate that a mild IDA during gestation and lactation can have detrimental effects on early development of the offsprings' hearing and nervous systems, particularly on neural synchrony and auditory nerve conduction velocity, but not on BTT.
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Fu J, Yang A, Ma Y, Liu M, Zhang L, Wang Y, Liu L. The effect of fetal and early postnatal iron deficiency on iron metabolism in adult rats. Biol Trace Elem Res 2012; 149:412-8. [PMID: 22628058 DOI: 10.1007/s12011-012-9447-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2012] [Accepted: 05/01/2012] [Indexed: 11/26/2022]
Abstract
Undernutrition during pregnancy and/or lactation plays an important role on the overall health of offspring later in life. Using a rodent model, the present study was conducted to examine the effect of fetal and early postnatal iron deficiency on iron metabolism in adult animals. Rats were treated with three stages of low or normal iron diets from gestation until the end of the study. During the first stage (4 weeks prior to 3 weeks after pregnancy, total 7 weeks), two groups of adult females (dams) were fed with either a low-iron (7.4 mg iron/kg, group LD) or control-iron (274 mg/kg, group CD) diet. During the second stage (from 3 to 13 weeks of age, total 10 weeks), all pups from stage 1 (both the LD and CD groups) were placed on a control-iron diet for 10 weeks (groups LD-CD and CD-CD, respectively). During the third stage (from 13 to 29 weeks of age, total 16 weeks), both LD-CD and CD-CD groups from stage 2 were fed with a low-iron (named LD-CD-LD and CD-CD-LD groups, respectively). We found that the live birth rate of the offspring of the LD dams (84.7 %) was significantly lower than that of the CD dams (95.4 %). During stage 2, the mean body weight of the LD-CD male or LD-CD female rats exceeded the CD-CD male rats (p < 0.05). Compared with the CD-CD-LD rats, the LD-CD-LD rats had significantly increased total iron binding capacity, and higher levels of transferrin, serum erythropoietin (EPO), renal EPO mRNA, duodenal divalent metal transporter-1, and renal transferrin receptors. These findings indicate that rats with an early-life experience of iron deficiency (during pregnancy and the nursing period) can develop stronger iron absorption capabilities in adulthood.
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Affiliation(s)
- Jinyan Fu
- Department of Nutrition and Food Hygiene, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan 430030, China
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Jougleux JL, Rioux FM, Church MW, Fiset S, Surette ME. Mild maternal iron deficiency anemia during pregnancy and lactation in guinea pigs causes abnormal auditory function in the offspring. J Nutr 2011; 141:1390-5. [PMID: 21613451 DOI: 10.3945/jn.110.135715] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Iron deficiency (ID) anemia (IDA) adversely affects different aspects of the nervous system such as myelinogenesis, neurotransmitters synthesis, brain myelin composition, and brain fatty acid and eicosanoid metabolism. Infant neurophysiological outcome in response to maternal IDA is underexplored, especially mild to moderate maternal IDA. Furthermore, most human research has focused on childhood ID rather than prenatal or neonatal ID. Thus, our study evaluated the consequences of mild maternal IDA during pregnancy and lactation on the offsprings' auditory function using the auditory brainstem response (ABR). This technique provides objective measures of auditory acuity, neural transmission times along the peripheral and brainstem portions of the auditory pathway, and postnatal brain maturation. Female guinea pigs (n = 10/group) were fed an iron sufficient diet (ISD) or an iron deficient diet (IDD) (144 and 11.7 mg iron/kg) during their acclimation, gestation, and lactation periods. From postnatal d (PNd) 9 onward, the ISD was given to all weaned offspring. ABR were collected from the offspring on PNd24 using a broad range of stimulus intensities in response to 2, 4, 8, 16, and 32 kHz tone pips. IDA siblings (n = 4), [corrected] compared with the IS siblings (n = 5), had significantly elevated ABR thresholds (hearing loss) in response to all tone pips. These physiological disturbances were primarily due to a sensorineural hearing loss, as revealed by the ABR's latency-intensity curves. These results indicate that mild maternal IDA during gestation and lactation altered the hearing and nervous system development of the young offspring.
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Affiliation(s)
- Jean-Luc Jougleux
- Département des Sciences des Aliments et de Nutrition, Faculté des Sciences de l'Agriculture et de l'Alimentation, Université Laval, Québec, QC G1K7P4, Canada
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LeBlanc CP, Fiset S, Surette ME, Turgeon O'Brien H, Rioux FM. Maternal iron deficiency alters essential fatty acid and eicosanoid metabolism and increases locomotion in adult guinea pig offspring. J Nutr 2009; 139:1653-9. [PMID: 19640965 DOI: 10.3945/jn.109.106013] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Iron deficiency (ID) is the most prevalent worldwide nutritional deficiency. Groups at risk of developing ID anemia are infants and pregnant women, even in industrialized countries. Our goal in this study was to evaluate the long-term consequences of maternal ID on the offspring's fatty acid and eicosanoid metabolism, behavior, and spatial memory. Female guinea pigs consumed iron-sufficient (IS) and -deficient (ID) diets for 14 d before mating and throughout pregnancy and lactation. Dietary iron restriction resulted in ID in pregnant females. On postnatal d 9, all offspring (ID and IS) were weaned to the IS diet and at 42 d, all offspring were iron replete. Locomotion was tested in pups on postnatal d 24 and 40 and spatial memory from d 25 to 40. Pups from the ID group were significantly more active in the open field at both times of testing, whereas spatial memory, tested in a Morris water maze, was comparable in both groups. On postnatal d 42, liver, RBC, and brain fatty acid composition were measured. Dihomogammalinolenic [20:3(n-6)], docosapentaenoic [22:5(n-3)], and docosahexaenoic [22:6(n-3)] acid contents were significantly higher in brain phospholipids of offspring born to ID dams. Prostaglandin E(2) and F(2alpha) concentrations were also significantly higher in brains of offspring born to ID dams. This demonstrates that moderate ID during gestation and lactation results in alterations of brain fatty acid and eicosanoid metabolism and perturbation in behavior in adult offspring.
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Affiliation(s)
- Caroline P LeBlanc
- Ecole des sciences des aliments, de nutrition et d'études familiales, Université de Moncton, Moncton, NB E1A 3E9 Canada
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