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Exposure to Perfluoroalkyl Substances During Pregnancy and Fetal BDNF Level: A Prospective Cohort Study
Humans are widely exposed to environmental perfluoroalkyl substances (PFAS), which may affect fetal neurodevelopment. Brain-derived neurotrophic factor (BDNF) is an important factor in neurodevelopment, but its role in PFAS-induced neurotoxicity is unclear. We investigated the association between pr...
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| Published in: | Frontiers in endocrinology (Lausanne) 2021-06, Vol.12, p.653095-653095 |
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| description | Humans are widely exposed to environmental perfluoroalkyl substances (PFAS), which may affect fetal neurodevelopment. Brain-derived neurotrophic factor (BDNF) is an important factor in neurodevelopment, but its role in PFAS-induced neurotoxicity is unclear. We investigated the association between prenatal PFAS exposure and fetal BDNF level in the umbilical cord blood in a large prospective cohort.
A total of 725 pregnant women who participated in the Shanghai Birth Cohort were included. 10 PFAS were measured by high-performance liquid chromatography/tandem mass spectrometry (HPLC/MS-MS) in the plasma samples of early pregnancy. The BDNF level was determined by ELISA. The concentration of total mercury (Hg) in the umbilical cord blood was tested by cold vapor atomic absorption spectrometry (AAS) and included as a main confounder, along with other covariates. Multiple linear regression was used to explore the associations between PFAS concentrations and BDNF level. Quantile-based g-computation was applied to explore the joint and independent effects of PFAS on BDNF level.
The mean BDNF level in the total population was 10797 (±4713) pg/ml. Male fetuses had a higher level than female fetuses ( |
| doi_str_mv | 10.3389/fendo.2021.653095 |
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| fullrecord | <record><control><sourceid>proquest_doaj_</sourceid><recordid>TN_cdi_doaj_primary_oai_doaj_org_article_2139823c289541e197861ce2b7c2e808</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><doaj_id>oai_doaj_org_article_2139823c289541e197861ce2b7c2e808</doaj_id><sourcerecordid>2543455034</sourcerecordid><originalsourceid>FETCH-LOGICAL-c465t-c7f5b6792c23a698dde92941e7f12aad5f1e824ac5e7fb94b6bee71801599b3e3</originalsourceid><addsrcrecordid>eNpVkU9v1DAQxS0EolXpB-CCfOSyi_8mNgeksu1CpRVUKpwtx5mkKd54sZ1V99vjNqVq5-LR85vfWH4IvadkybnSnzoY27BkhNFlJTnR8hU6plUlFoxr9vpZf4ROU7olpQShWqu36IgLKohm9THqL-52IU0RcA74CmLnpxCD9X8OHl9PTcp2dJDw-RSHscdXEfqxKAdsxxavIVuPv57_WOMN7MF_xmfFEdIOXB72gFfhJsSMr_PUHt6hN531CU4fzxP0e33xa_V9sfn57XJ1tlk4Ucm8cHUnm6rWzDFuK63aFjTTgkLdUWZtKzsKignrZFEaLZqqAaipIlRq3XDgJ-hy5rbB3ppdHLY2Hkywg3kQQuyNjXlwHgyjXCvGHVNalg1U16qiDlhTOwaKqML6MrN2U7OF1sGYo_UvoC9vxuHG9GFvFCNiBnx8BMTwd4KUzXZIDry3I4QpGSYFF1ISLoqVzlZXPjBF6J7WUGLu8zYPeZv7vM2cd5n58Px9TxP_0-X_AIYgp8U</addsrcrecordid><sourcetype>Open Website</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>2543455034</pqid></control><display><type>article</type><title>Exposure to Perfluoroalkyl Substances During Pregnancy and Fetal BDNF Level: A Prospective Cohort Study</title><source>PubMed Central</source><creator>Yu, Guoqi ; Luo, Fei ; Nian, Min ; Li, Shuman ; Liu, Bin ; Feng, Liping ; Zhang, Jun</creator><creatorcontrib>Yu, Guoqi ; Luo, Fei ; Nian, Min ; Li, Shuman ; Liu, Bin ; Feng, Liping ; Zhang, Jun</creatorcontrib><description>Humans are widely exposed to environmental perfluoroalkyl substances (PFAS), which may affect fetal neurodevelopment. Brain-derived neurotrophic factor (BDNF) is an important factor in neurodevelopment, but its role in PFAS-induced neurotoxicity is unclear. We investigated the association between prenatal PFAS exposure and fetal BDNF level in the umbilical cord blood in a large prospective cohort.
A total of 725 pregnant women who participated in the Shanghai Birth Cohort were included. 10 PFAS were measured by high-performance liquid chromatography/tandem mass spectrometry (HPLC/MS-MS) in the plasma samples of early pregnancy. The BDNF level was determined by ELISA. The concentration of total mercury (Hg) in the umbilical cord blood was tested by cold vapor atomic absorption spectrometry (AAS) and included as a main confounder, along with other covariates. Multiple linear regression was used to explore the associations between PFAS concentrations and BDNF level. Quantile-based g-computation was applied to explore the joint and independent effects of PFAS on BDNF level.
The mean BDNF level in the total population was 10797 (±4713) pg/ml. Male fetuses had a higher level than female fetuses (
<0.001). A significant positive association was observed between PFHxS and BDNF level after adjusting for potential confounders [β=1285 (95% CI: 453, 2118,
=0.003)]. No association was observed between other PFAS congeners and BDNF level. Results of the mixed exposure model showed that the joint effects of PFAS mixture were not associated with BDNF [β=447 (95% CI: -83, 978,
=0.10)], while the positive association with PFHxS exposure remained significant after controlling for other PFAS [β=592 (95% CI: 226, 958,
=0.002)]. The above associations were more prominent in male [β=773 (95% CI: 25, 1520,
= 0.04)] than female fetuses [β=105 (95% CI: -791, 1002,
= 0.82)] for the mixed effects.
Prenatal exposure to PFHxS was associated with an increased BDNF level in the umbilical blood, especially in male fetuses.</description><identifier>ISSN: 1664-2392</identifier><identifier>EISSN: 1664-2392</identifier><identifier>DOI: 10.3389/fendo.2021.653095</identifier><identifier>PMID: 34140927</identifier><language>eng</language><publisher>Switzerland: Frontiers Media S.A</publisher><subject>Adult ; BDNF ; Brain-Derived Neurotrophic Factor - blood ; China ; Chromatography, High Pressure Liquid ; cohort ; Endocrinology ; Environmental Pollutants - blood ; Female ; Fetal Blood - metabolism ; fetus ; Fluorocarbons - adverse effects ; gender difference ; Humans ; Linear Models ; Longitudinal Studies ; Male ; Maternal Exposure ; Mercury - blood ; Mercury - toxicity ; perfluoroalkyl substances ; Pregnancy ; Prospective Studies ; Sex Factors ; Spectrophotometry, Atomic</subject><ispartof>Frontiers in endocrinology (Lausanne), 2021-06, Vol.12, p.653095-653095</ispartof><rights>Copyright © 2021 Yu, Luo, Nian, Li, Liu, Feng and Zhang.</rights><rights>Copyright © 2021 Yu, Luo, Nian, Li, Liu, Feng and Zhang 2021 Yu, Luo, Nian, Li, Liu, Feng and Zhang</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c465t-c7f5b6792c23a698dde92941e7f12aad5f1e824ac5e7fb94b6bee71801599b3e3</citedby><cites>FETCH-LOGICAL-c465t-c7f5b6792c23a698dde92941e7f12aad5f1e824ac5e7fb94b6bee71801599b3e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC8204808/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC8204808/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,723,776,780,881,27903,27904,53769,53771</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/34140927$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Yu, Guoqi</creatorcontrib><creatorcontrib>Luo, Fei</creatorcontrib><creatorcontrib>Nian, Min</creatorcontrib><creatorcontrib>Li, Shuman</creatorcontrib><creatorcontrib>Liu, Bin</creatorcontrib><creatorcontrib>Feng, Liping</creatorcontrib><creatorcontrib>Zhang, Jun</creatorcontrib><title>Exposure to Perfluoroalkyl Substances During Pregnancy and Fetal BDNF Level: A Prospective Cohort Study</title><title>Frontiers in endocrinology (Lausanne)</title><addtitle>Front Endocrinol (Lausanne)</addtitle><description>Humans are widely exposed to environmental perfluoroalkyl substances (PFAS), which may affect fetal neurodevelopment. Brain-derived neurotrophic factor (BDNF) is an important factor in neurodevelopment, but its role in PFAS-induced neurotoxicity is unclear. We investigated the association between prenatal PFAS exposure and fetal BDNF level in the umbilical cord blood in a large prospective cohort.
A total of 725 pregnant women who participated in the Shanghai Birth Cohort were included. 10 PFAS were measured by high-performance liquid chromatography/tandem mass spectrometry (HPLC/MS-MS) in the plasma samples of early pregnancy. The BDNF level was determined by ELISA. The concentration of total mercury (Hg) in the umbilical cord blood was tested by cold vapor atomic absorption spectrometry (AAS) and included as a main confounder, along with other covariates. Multiple linear regression was used to explore the associations between PFAS concentrations and BDNF level. Quantile-based g-computation was applied to explore the joint and independent effects of PFAS on BDNF level.
The mean BDNF level in the total population was 10797 (±4713) pg/ml. Male fetuses had a higher level than female fetuses (
<0.001). A significant positive association was observed between PFHxS and BDNF level after adjusting for potential confounders [β=1285 (95% CI: 453, 2118,
=0.003)]. No association was observed between other PFAS congeners and BDNF level. Results of the mixed exposure model showed that the joint effects of PFAS mixture were not associated with BDNF [β=447 (95% CI: -83, 978,
=0.10)], while the positive association with PFHxS exposure remained significant after controlling for other PFAS [β=592 (95% CI: 226, 958,
=0.002)]. The above associations were more prominent in male [β=773 (95% CI: 25, 1520,
= 0.04)] than female fetuses [β=105 (95% CI: -791, 1002,
= 0.82)] for the mixed effects.
Prenatal exposure to PFHxS was associated with an increased BDNF level in the umbilical blood, especially in male fetuses.</description><subject>Adult</subject><subject>BDNF</subject><subject>Brain-Derived Neurotrophic Factor - blood</subject><subject>China</subject><subject>Chromatography, High Pressure Liquid</subject><subject>cohort</subject><subject>Endocrinology</subject><subject>Environmental Pollutants - blood</subject><subject>Female</subject><subject>Fetal Blood - metabolism</subject><subject>fetus</subject><subject>Fluorocarbons - adverse effects</subject><subject>gender difference</subject><subject>Humans</subject><subject>Linear Models</subject><subject>Longitudinal Studies</subject><subject>Male</subject><subject>Maternal Exposure</subject><subject>Mercury - blood</subject><subject>Mercury - toxicity</subject><subject>perfluoroalkyl substances</subject><subject>Pregnancy</subject><subject>Prospective Studies</subject><subject>Sex Factors</subject><subject>Spectrophotometry, Atomic</subject><issn>1664-2392</issn><issn>1664-2392</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>DOA</sourceid><recordid>eNpVkU9v1DAQxS0EolXpB-CCfOSyi_8mNgeksu1CpRVUKpwtx5mkKd54sZ1V99vjNqVq5-LR85vfWH4IvadkybnSnzoY27BkhNFlJTnR8hU6plUlFoxr9vpZf4ROU7olpQShWqu36IgLKohm9THqL-52IU0RcA74CmLnpxCD9X8OHl9PTcp2dJDw-RSHscdXEfqxKAdsxxavIVuPv57_WOMN7MF_xmfFEdIOXB72gFfhJsSMr_PUHt6hN531CU4fzxP0e33xa_V9sfn57XJ1tlk4Ucm8cHUnm6rWzDFuK63aFjTTgkLdUWZtKzsKignrZFEaLZqqAaipIlRq3XDgJ-hy5rbB3ppdHLY2Hkywg3kQQuyNjXlwHgyjXCvGHVNalg1U16qiDlhTOwaKqML6MrN2U7OF1sGYo_UvoC9vxuHG9GFvFCNiBnx8BMTwd4KUzXZIDry3I4QpGSYFF1ISLoqVzlZXPjBF6J7WUGLu8zYPeZv7vM2cd5n58Px9TxP_0-X_AIYgp8U</recordid><startdate>20210601</startdate><enddate>20210601</enddate><creator>Yu, Guoqi</creator><creator>Luo, Fei</creator><creator>Nian, Min</creator><creator>Li, Shuman</creator><creator>Liu, Bin</creator><creator>Feng, Liping</creator><creator>Zhang, Jun</creator><general>Frontiers Media S.A</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>5PM</scope><scope>DOA</scope></search><sort><creationdate>20210601</creationdate><title>Exposure to Perfluoroalkyl Substances During Pregnancy and Fetal BDNF Level: A Prospective Cohort Study</title><author>Yu, Guoqi ; Luo, Fei ; Nian, Min ; Li, Shuman ; Liu, Bin ; Feng, Liping ; Zhang, Jun</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c465t-c7f5b6792c23a698dde92941e7f12aad5f1e824ac5e7fb94b6bee71801599b3e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Adult</topic><topic>BDNF</topic><topic>Brain-Derived Neurotrophic Factor - blood</topic><topic>China</topic><topic>Chromatography, High Pressure Liquid</topic><topic>cohort</topic><topic>Endocrinology</topic><topic>Environmental Pollutants - blood</topic><topic>Female</topic><topic>Fetal Blood - metabolism</topic><topic>fetus</topic><topic>Fluorocarbons - adverse effects</topic><topic>gender difference</topic><topic>Humans</topic><topic>Linear Models</topic><topic>Longitudinal Studies</topic><topic>Male</topic><topic>Maternal Exposure</topic><topic>Mercury - blood</topic><topic>Mercury - toxicity</topic><topic>perfluoroalkyl substances</topic><topic>Pregnancy</topic><topic>Prospective Studies</topic><topic>Sex Factors</topic><topic>Spectrophotometry, Atomic</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yu, Guoqi</creatorcontrib><creatorcontrib>Luo, Fei</creatorcontrib><creatorcontrib>Nian, Min</creatorcontrib><creatorcontrib>Li, Shuman</creatorcontrib><creatorcontrib>Liu, Bin</creatorcontrib><creatorcontrib>Feng, Liping</creatorcontrib><creatorcontrib>Zhang, Jun</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><collection>DOAJ Directory of Open Access Journals</collection><jtitle>Frontiers in endocrinology (Lausanne)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yu, Guoqi</au><au>Luo, Fei</au><au>Nian, Min</au><au>Li, Shuman</au><au>Liu, Bin</au><au>Feng, Liping</au><au>Zhang, Jun</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Exposure to Perfluoroalkyl Substances During Pregnancy and Fetal BDNF Level: A Prospective Cohort Study</atitle><jtitle>Frontiers in endocrinology (Lausanne)</jtitle><addtitle>Front Endocrinol (Lausanne)</addtitle><date>2021-06-01</date><risdate>2021</risdate><volume>12</volume><spage>653095</spage><epage>653095</epage><pages>653095-653095</pages><issn>1664-2392</issn><eissn>1664-2392</eissn><abstract>Humans are widely exposed to environmental perfluoroalkyl substances (PFAS), which may affect fetal neurodevelopment. Brain-derived neurotrophic factor (BDNF) is an important factor in neurodevelopment, but its role in PFAS-induced neurotoxicity is unclear. We investigated the association between prenatal PFAS exposure and fetal BDNF level in the umbilical cord blood in a large prospective cohort.
A total of 725 pregnant women who participated in the Shanghai Birth Cohort were included. 10 PFAS were measured by high-performance liquid chromatography/tandem mass spectrometry (HPLC/MS-MS) in the plasma samples of early pregnancy. The BDNF level was determined by ELISA. The concentration of total mercury (Hg) in the umbilical cord blood was tested by cold vapor atomic absorption spectrometry (AAS) and included as a main confounder, along with other covariates. Multiple linear regression was used to explore the associations between PFAS concentrations and BDNF level. Quantile-based g-computation was applied to explore the joint and independent effects of PFAS on BDNF level.
The mean BDNF level in the total population was 10797 (±4713) pg/ml. Male fetuses had a higher level than female fetuses (
<0.001). A significant positive association was observed between PFHxS and BDNF level after adjusting for potential confounders [β=1285 (95% CI: 453, 2118,
=0.003)]. No association was observed between other PFAS congeners and BDNF level. Results of the mixed exposure model showed that the joint effects of PFAS mixture were not associated with BDNF [β=447 (95% CI: -83, 978,
=0.10)], while the positive association with PFHxS exposure remained significant after controlling for other PFAS [β=592 (95% CI: 226, 958,
=0.002)]. The above associations were more prominent in male [β=773 (95% CI: 25, 1520,
= 0.04)] than female fetuses [β=105 (95% CI: -791, 1002,
= 0.82)] for the mixed effects.
Prenatal exposure to PFHxS was associated with an increased BDNF level in the umbilical blood, especially in male fetuses.</abstract><cop>Switzerland</cop><pub>Frontiers Media S.A</pub><pmid>34140927</pmid><doi>10.3389/fendo.2021.653095</doi><tpages>1</tpages><oa>free_for_read</oa></addata></record> |
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| source | PubMed Central |
| subjects | Adult BDNF Brain-Derived Neurotrophic Factor - blood China Chromatography, High Pressure Liquid cohort Endocrinology Environmental Pollutants - blood Female Fetal Blood - metabolism fetus Fluorocarbons - adverse effects gender difference Humans Linear Models Longitudinal Studies Male Maternal Exposure Mercury - blood Mercury - toxicity perfluoroalkyl substances Pregnancy Prospective Studies Sex Factors Spectrophotometry, Atomic |
| title | Exposure to Perfluoroalkyl Substances During Pregnancy and Fetal BDNF Level: A Prospective Cohort Study |
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