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Yamanaka R, Ichii O, Nakamura T, Otani Y, Namaba T, Kon Y. Effects of autoimmune abnormalities on fertility and placental morphology in mice. Autoimmunity 2024; 57:2319209. [PMID: 38389171 DOI: 10.1080/08916934.2024.2319209] [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: 09/28/2023] [Accepted: 02/11/2024] [Indexed: 02/24/2024]
Abstract
Autoimmune diseases (AIDs) alter the placental immune environment leading to fetal loss. This study investigated the effects of AIDs on pregnancy and the placenta in AID-prone MRL/MpJ-Faslpr/lpr mice and wild-type MRL/MpJ, which were mated with male MRL/MpJ and MRL/MpJ-Faslpr/lpr at five months and defined as moLpr and moMpJ, respectively. AID indices (spleen weight and serum autoantibody levels) and fertility status (number and size of fetuses, morphology, and comprehensive gene expression of placentas) were evaluated on gestational day 15.5. Both strains showed equivalent fertility, but moLpr showed lighter placentas and fetuses than moMpJ, and decreased fertility with AID severity. moLpr placentas had a higher number of T cells, higher expression of genes associated with T helper 2 and T follicular helper functions, and altered expression of genes (Krt15, Slc7a3, Sprr2a3) that significantly regulate pregnancy or immunity. The gene expression of T cell migration-associated chemokines (Ccl5, Cxcl9) was significantly increased in moLpr placentas, and CCL5 and CXCL9 were detected in moLpr placentas, particularly in T cells and placenta-component cells, respectively. Thus, AID altered placental morphofunction and fertility in mice; however, fertility was maintained at the examined time points. This study enhances our understanding of placental alterations and gestational risk due to AIDs.
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Affiliation(s)
- Risa Yamanaka
- Laboratory of Anatomy, Department of Basic Veterinary Sciences, Hokkaido University, Sapporo, Japan
| | - Osamu Ichii
- Laboratory of Anatomy, Department of Basic Veterinary Sciences, Hokkaido University, Sapporo, Japan
- Laboratory of Agrobiomedical Science, Faculty of Agriculture, Hokkaido University, Sapporo, Japan
- One Health Research Center, Hokkaido University, Sapporo, Japan
| | - Teppei Nakamura
- Laboratory of Agrobiomedical Science, Faculty of Agriculture, Hokkaido University, Sapporo, Japan
- Laboratory of Laboratory Animal Science and Medicine, Department of Applied Veterinary Sciences, Hokkaido Universityty, Sapporo, Japan
| | - Yuki Otani
- Laboratory of Anatomy, Department of Basic Veterinary Sciences, Hokkaido University, Sapporo, Japan
- One Health Research Center, Hokkaido University, Sapporo, Japan
| | - Takashi Namaba
- Laboratory of Anatomy, Department of Basic Veterinary Sciences, Hokkaido University, Sapporo, Japan
| | - Yasuhiro Kon
- Laboratory of Anatomy, Department of Basic Veterinary Sciences, Hokkaido University, Sapporo, Japan
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Check J, Shuster C, Hofheimer J, Camerota M, Dansereau LM, Smith LM, Carter BS, DellaGrotta SA, Helderman J, Kilbride H, Loncar CM, McGowan E, Neal CR, O’Shea TM, Pastyrnak SL, Sheinkopf SJ, Lester BM. Preeclampsia, Fetal Growth Restriction, and 24-Month Neurodevelopment in Very Preterm Infants. JAMA Netw Open 2024; 7:e2420382. [PMID: 38967923 PMCID: PMC11227083 DOI: 10.1001/jamanetworkopen.2024.20382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Accepted: 05/04/2024] [Indexed: 07/06/2024] Open
Abstract
Importance Preeclampsia has direct influences on a developing fetus and may impact postnatal health, and fetal growth restriction (FGR) is often seen co-occurring with preeclampsia. The development of children born very preterm after preeclampsia diagnosis with and without FGR is not well characterized. Objective To examine the associations of preeclampsia and FGR with developmental and/or behavioral outcomes in a cohort of very preterm infants. Design, Setting, and Participants In this cohort study, infants in the prospective Neonatal Neurobehavior and Outcomes in Very Preterm Infants study were enrolled between April 2014 and June 2016 from 9 US university-affiliated neonatal intensive care units (NICUs). Eligible infants were born before 30 weeks' gestation. Infants were excluded for any major congenital anomalies and for maternal age younger than 18 years or cognitive impairment impacting the ability to provide informed consent. Data analysis was performed from November 2023 to January 2024. Exposure Maternal preeclampsia and FGR in very preterm infants. Main Outcomes and Measures The Bayley-III cognition, motor, and language scores less than 85 (-1 SD) indicated developmental delay. Child Behavior Checklist/Preschool 1.5-5 T-scores greater than or equal to 64 for internalizing, externalizing, or total problems indicated clinical importance. Results Of 704 infants enrolled, 529 (mean [SD] gestational age, 27.0 [1.9] weeks; 287 male [54.3%]) were studied at 24-month follow-up. A total of 94 infants' mothers had preeclampsia (23.2%), and 46 infants (8.7%) had FGR. In adjusted models, preeclampsia was not associated with Bayley-III (cognitive, B = 3.43 [95% CI, -0.19 to 6.66]; language, B = 3.92 [95% CI, 0.44 to 7.39]; motor, B = 1.86 [95% CI, -1.74 to 5.47]) or Child Behavior Checklist/Preschool 1.5-5 (internalizing, B = -0.08 [95% CI, -2.58 to 2.73]; externalizing, B = 0.69 [95% CI, -1.76 to 3.15]; total, B = 0.21 [95% CI, -2.48 to 2.91]) outcomes. FGR was associated with significantly lower Bayley-III scores (cognitive, B = -8.61 [95% CI, -13.33 to -3.89]; language, B = -8.29 [95% CI, -12.95 to -3.63]; motor, B = -7.60 [95% CI, -12.40 to -2.66]), regardless of preeclampsia status. Conclusions and Relevance In this cohort study of preterm infants, preeclampsia was not associated with developmental and/or behavioral outcomes, but infants with FGR may be prone to developmental delays. These findings suggest future areas of research for understanding the roles of preeclampsia and FGR separately and together in early child development for preterm infants.
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Affiliation(s)
- Jennifer Check
- Department of Pediatrics, Division of Neonatology, Atrium Health Wake Forest Baptist, Winston-Salem, North Carolina
| | - Coral Shuster
- Department of Pediatrics, Women and Infants Hospital, Providence, Rhode Island
| | - Julie Hofheimer
- Department of Pediatrics, University of North Carolina and Chapel Hill School of Medicine, Chapel Hill
| | - Marie Camerota
- Department of Pediatrics, Women and Infants Hospital, Providence, Rhode Island
- Department of Psychiatry and Human Behavior, Alpert Medical School of Brown University, Providence, Rhode Island
| | - Lynne M. Dansereau
- Department of Pediatrics, Women and Infants Hospital, Providence, Rhode Island
| | - Lynne M. Smith
- Department of Pediatrics, Harbor-UCLA Medical Center, Torrance, California
| | - Brian S. Carter
- Department of Pediatrics-Neonatology, Children’s Mercy Hospital, Kansas City, Missouri
| | | | - Jennifer Helderman
- Department of Pediatrics, Division of Neonatology, Atrium Health Wake Forest Baptist, Winston-Salem, North Carolina
| | - Howard Kilbride
- Department of Pediatrics-Neonatology, Children’s Mercy Hospital, Kansas City, Missouri
| | - Cynthia M. Loncar
- Department of Pediatrics, Women and Infants Hospital, Providence, Rhode Island
- Department of Pediatrics, Alpert Medical School of Brown University, Providence, Rhode Island
| | - Elisabeth McGowan
- Department of Pediatrics, Alpert Medical School of Brown University, Providence, Rhode Island
| | - Charles R. Neal
- Department of Pediatrics, University of Hawaii John A. Burns School of Medicine, Honolulu
| | - T. Michael O’Shea
- Department of Pediatrics, University of North Carolina and Chapel Hill School of Medicine, Chapel Hill
| | - Steven L. Pastyrnak
- Department of Pediatrics, Spectrum Health-Helen DeVos Hospital, Grand Rapids, Michigan
| | | | - Barry M. Lester
- Department of Pediatrics, Women and Infants Hospital, Providence, Rhode Island
- Department of Psychiatry and Human Behavior, Alpert Medical School of Brown University, Providence, Rhode Island
- Department of Pediatrics, Alpert Medical School of Brown University, Providence, Rhode Island
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Tadesse AW, Ayano G, Dachew BA, Betts K, Alati R. Exposure to maternal cannabis use disorder and risk of autism spectrum disorder in offspring: A data linkage cohort study. Psychiatry Res 2024; 337:115971. [PMID: 38788554 DOI: 10.1016/j.psychres.2024.115971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 05/01/2024] [Accepted: 05/16/2024] [Indexed: 05/26/2024]
Abstract
This study aimed to investigate the association between pre-pregnancy, prenatal and perinatal exposures to cannabis use disorder (CUD) and the risk of autism spectrum disoder (ASD) in offspring. Data were drawn from the New South Wales (NSW) Perinatal Data Collection (PDC), population-based, linked administrative health data encompassing all-live birth cohort from January 2003 to December 2005. This study involved 222 534 mother-offspring pairs. . The exposure variable (CUD) and the outcome of interest (ASD) were identified using the 10th international disease classification criteria, Australian Modified (ICD-10-AM). We found a three-fold increased risk of ASD in the offspring of mothers with maternal CUD compared to non-exposed offspring. In our sensitivity analyses, male offspring have a higher risk of ASD associated with maternal CUD than their female counterparts. In conclusion, exposure to maternal CUD is linked to a higher risk of ASD in offspring, with a stronger risk in male offspring. Further research is needed to understand these gender-specific effects and the relationship between maternal CUD and ASD risk in children.
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Affiliation(s)
- Abay Woday Tadesse
- School of Population Health, Curtin University, Kent Street, Bentley, WA, 6102, Australia; Dream Science and Technology College, Dessie 1466, Amhara region, Ethiopia; Department of Public Health, College of Medicine and Health Sciences, Samara University 132, Semera, Ethiopia.
| | - Getinet Ayano
- School of Population Health, Curtin University, Kent Street, Bentley, WA, 6102, Australia
| | - Berihun Assefa Dachew
- School of Population Health, Curtin University, Kent Street, Bentley, WA, 6102, Australia
| | - Kim Betts
- School of Population Health, Curtin University, Kent Street, Bentley, WA, 6102, Australia
| | - Rosa Alati
- School of Population Health, Curtin University, Kent Street, Bentley, WA, 6102, Australia; Institute for Social Sciences Research, The University of Queensland, 80 Meier's Rd, Indooroopilly, QLD, 4068, Australia
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Schmiegelow C, Møller SL, Yde AM, Nielsen BB, Hjort L, Theander TG, Lusingu JPA, Minja DTR, Bygbjerg IC. Anaemia in the first trimester and poor physiological plasma expansion during pregnancy negatively impact foetal weight and newborn anthropometrics: An observational cohort study in Tanzania. Trop Med Int Health 2024; 29:243-255. [PMID: 38191232 DOI: 10.1111/tmi.13967] [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] [Indexed: 01/10/2024]
Abstract
OBJECTIVES Anaemia during pregnancy is a major health challenge affecting pregnancy outcome worldwide. The objectives of this study were to investigate the impact of severe-moderate anaemia in the first trimester, as well as changes in haemoglobin during pregnancy among non-anaemic women, on foetal weight, placental blood flow and newborn anthropometrics. METHODS In a prospective cohort study, 346 women residing in rural Tanzania were followed throughout pregnancy with serial ultrasound and newborn anthropometrics assessed within 24 h of delivery. Associations between placental blood flow, foetal weight and newborn anthropometrics with either first trimester severe-moderate anaemia (haemoglobin≤9.5 g/dL) or changes in haemoglobin from the first to the third trimester among non-anaemic women, were assessed by mixed model regression and multiple linear regression, adjusting for maternal and foetal co-variables. Foetal weights and birthweight were converted to z-scores using a population based sex-specific weight reference. RESULTS Severe-moderate anaemia in the first trimester was associated with significantly reduced foetal weight z-scores (adjusted mean difference (aMD) -0.44 (95% CI -0.81, -0.07)) and newborn anthropometric indices (birth weight z-score aMD -0.55 (-0.9, -0.13), abdominal circumference aMD -11 mm (95% CI -20, -3)). There were no association between first trimester severe-moderate anaemia and placental blood flow. Among women who were non-anaemic in the first trimester, women with the least reduction in haemoglobin (Δ ≥ -0.3 g/dL) delivered significantly smaller newborns (birthweight z-score aMD -0.55 (-0.91, -0.20), abdominal circumference aMD -10 mm (95% CI -17, -3), compared to women with the greatest reduction (Δ haemoglobin ≤ -1.4 g/dL)). CONCLUSIONS Severe-moderate anaemia in early pregnancy was associated with smaller newborn anthropometrics which was reflected in smaller mean foetal weights in the second and third trimester. Furthermore, among women who were non-anaemic in the first trimester, there was an association between smaller newborn anthropometrics and limited haemoglobin decrease during pregnancy, possibly reflecting insufficient plasma expansion.
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Affiliation(s)
- Christentze Schmiegelow
- Centre for Medical Parasitology, Department of Immunology and Microbiology, University of Copenhagen, Copenhagen, Denmark
- Department of Gynaecology and Obstetrics, Copenhagen University Hospital-North Zealand, Hilleroed, Denmark
| | - Sofie Lykke Møller
- Section of Global Health, Department of Public Health, University of Copenhagen, Copenhagen, Denmark
| | - Anna Mathilde Yde
- Centre for Medical Parasitology, Department of Immunology and Microbiology, University of Copenhagen, Copenhagen, Denmark
| | | | - Line Hjort
- Department of Gynecology and Obstetrics, Julianne Marie Centre, Copenhagen, Denmark
- Novo Nordisk Foundation Center for Basic Metabolic Research, Metabolic Epigenetics Group, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Thor Grundtvig Theander
- Centre for Medical Parasitology, Department of Immunology and Microbiology, University of Copenhagen, Copenhagen, Denmark
| | - John Peter Andrea Lusingu
- Centre for Medical Parasitology, Department of Immunology and Microbiology, University of Copenhagen, Copenhagen, Denmark
- National Institute for Medical Research Tanga Centre, Korogwe, Tanzania
| | | | - Ib Christian Bygbjerg
- Section of Global Health, Department of Public Health, University of Copenhagen, Copenhagen, Denmark
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Bachnas MA, Dekker GA, Mudigdo A, Purwanto B, Sulistyowati S, Dachlan EG, Akbar MIA, Chouw A, Sartika CR, Widjiati W. Mesenchymal stem cell secretome ameliorates over-expression of soluble fms-like tyrosine kinase-1 (sFlt-1) and fetal growth restriction (FGR) in animal SLE model. J Matern Fetal Neonatal Med 2023; 36:2279931. [PMID: 37953255 DOI: 10.1080/14767058.2023.2279931] [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: 01/03/2023] [Accepted: 10/31/2023] [Indexed: 11/14/2023]
Abstract
INTRODUCTION In the near future, stem cell research may lead to several major therapeutic innovations in medical practice. Secretome, a "by-product" of stem cell line cultures, has many advantages. Its easiness of storage, usage, and fast direct effect are some of those to consider. Fetal growth restriction (FGR) remains one of the significant challenges in maternal-fetal and neonatal medicine. Placentation failure is one of the most profound causal and is often related to increasing sFlt-1 in early pregnancy. This study aimed to investigate hUC-MSC secretome in ameliorating sFlt-1 and how to improve outcomes in preventing FGR in an animal model. MATERIALS AND METHODS Pristane-induced systemic lupus erythematosus (SLE) in a mouse model was used to represent placentation failure and its consequences. Twenty-one mice were randomized into three groups: (I) normal pregnancy, (II) SLE, and (III) SLE with secretome treatment. Pristane was administered in all Groups four weeks prior mating period. Secretome was derived from human umbilical cord mesenchymal stem cells (hUC-MSC) conditioned medium on the 3rd and 4th passage, around day-21 until day-28 from the start of culturing process. Mesenchymal stem cell was characterized using flow cytometry for CD105+, CD90+, and CD73+ surface antigen markers. Immunohistochemistry anlysis by using Remmele's Immunoreactive Score (IRS) was used to quantify the placental sFlt-1 expression in each group. Birth weight and length were analyzed as the secondary outcome. The number of fetuses obtained was also calculated for pregnancy loss comparison between Groups. RESULTS The administration of secretome of hUC-MSC was found to lower the expression of the placental sFlt-1 significantly in the pristane SLE animal model (10.30 ± 1.40 vs. 4.98 ± 2.57; p < 0.001) to a level seen in normal mouse pregnancies in Group I (3.88 ± 0.49; p = 0.159). Secretome also had a significant effect on preventing fetal growth restriction in the pristane SLE mouse model (birth weight: 354.29 ± 80.76 mg vs. 550 ± 64.03 mg; p < 0.001 and birth length: 14.43 ± 1.27 mm vs. 19.00 ± 1.41 mm), comparable to the birth weight and length of the normal pregnancy in Group I (540.29 ± 75.47 mg and 18.14 ± 1.34 mm, p = 0.808 and = 0.719). Secretome administration also showed a potential action to prevent high number of pregnancy loss as the number of fetuses obtained could be similar to those of mice in the normal pregnant Group (7.71 ± 1.11 vs. 7.86 ± 1.06; p = 0.794). CONCLUSIONS Administration of secretome lowers sFlt-1 expression in placenta, improves fetal growth, and prevents pregnancy loss in a mouse SLE model.
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Affiliation(s)
- Muhammad Adrianes Bachnas
- Department of Obstetrics and Gynecology, Division of Maternal-Fetal Medicine, Faculty of Medicine, Universitas Sebelas Maret/Dr. Moewardi Hospital, Solo, Indonesia
| | - Gustaaf Albert Dekker
- Obstetrics and Gynaecology Department, Lyell-McEwin Hospital, The University of Adelaide, Adelaide, Australia
| | - Ambar Mudigdo
- Department of Pathology Anatomy, Faculty of Medicine, Universitas Sebelas Maret/Dr. Moewardi Hospital, Solo, Indonesia
| | - Bambang Purwanto
- Department of Internal Medicine, Faculty of Medicine, Universitas Sebelas Maret/Dr. Moewardi Hospital, Solo, Indonesia
| | - Sri Sulistyowati
- Department of Obstetrics and Gynecology, Division of Maternal-Fetal Medicine, Faculty of Medicine, Universitas Sebelas Maret/Dr. Moewardi Hospital, Solo, Indonesia
| | - Erry Gumilar Dachlan
- Department of Obstetrics and Gynecology, Division of Maternal-Fetal Medicine, Faculty of Medicine, Universitas Airlangga/Dr. Soetomo Hospital, Surabaya, Indonesia
| | - Muhammad Ilham Aldika Akbar
- Department of Obstetrics and Gynecology, Division of Maternal-Fetal Medicine, Faculty of Medicine, Universitas Airlangga/Airlangga University Hospital, Surabaya, Indonesia
| | - Angliana Chouw
- ProSTEM, Prodia StemCell Indonesia Laboratory, Jakarta, Indonesia
| | | | - Widjiati Widjiati
- Faculty of Veterinary Medicine, Universitas Airlangga, Surabaya, Indonesia
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Jonker D, Melly B, Brink LT, Odendaal HJ, Stein DJ, Donald KA. Associations between prenatal alcohol and tobacco exposure on Doppler flow velocity waveforms in pregnancy: a South African study. BMC Pregnancy Childbirth 2023; 23:601. [PMID: 37612623 PMCID: PMC10464169 DOI: 10.1186/s12884-023-05881-2] [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: 11/14/2022] [Accepted: 07/27/2023] [Indexed: 08/25/2023] Open
Abstract
BACKGROUND The negative impact of prenatal alcohol and tobacco exposure (PAE and PTE) on fetal development and birth outcomes are well described, yet pathophysiologic mechanisms are less clear. Our aim was to investigate (1) the associations between quantity, frequency and timing (QFT) of PAE and PTE with blood flow velocities in arteries of the fetal-placental-maternal circulation and (2) the extent to which combined effect of QFT of PAE and/or PTE and Doppler flow velocity waveforms (FWV) predict infant birth weight. METHODS The Safe Passage Study is a cohort based in urban Cape Town, South Africa. Recruitment occurred between 2007 and 2015. Information on QFT of PAE and PTE was collected prospectively at up to 4 occasions during pregnancy using a modified Timeline Follow-Back approach. Ultrasound examinations consisted of Doppler flow velocity waveforms of the uterine, umbilical (UA) and fetal middle cerebral arteries for the pulsatility index (PI) at 20-24 and 34-38 weeks. Exclusion criteria included: twin pregnancies, stillbirths, participants exposed to other drugs. The sample was divided into three groups (controls, PAE and PTE) and included 1396 maternal-fetal-dyads assessed during the second trimester; 1398 assessed during the third trimester. RESULTS PTE was associated with higher UA PI values in second and third trimesters (p < 0.001), compared to the PAE and control group. The total amount of cigarettes smoked during pregnancy was positively correlated with UA PI values (r = 0.087, p < 0.001). There was a positive correlation between cigarettes smoked per day in trimester one (r = 0.091, p < 0.01), and trimester two (r = 0.075, p < 0.01) and UA PI (in trimester two), as well as cigarettes smoked per day in trimester two (r = 0.058, p < 0.05) and trimester three (r = 0.069, p < 0.05) and the UA PI in trimester three. Generalized additive models indicated that PAE in trimester two, PTE in trimester one and Doppler FWV in trimester three were significant predictors of birth weight in this sample. CONCLUSION In our study, PTE in trimesters two and three resulted in increased vascular resistance of the placenta. These findings highlight nuance in associations between PAE, PTE and blood flow velocities in arteries of the fetal-placental-maternal circulation and birth weight, suggesting that quantity and timing are important factors in these relationships.
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Affiliation(s)
- Deborah Jonker
- Department of Paediatrics and Child Health, University of Cape Town, Cape Town, South Africa.
- Department of Psychiatry and Mental Health, University of Cape Town, Cape Town, South Africa.
| | - Brigitte Melly
- Department of Paediatrics and Child Health, University of Cape Town, Cape Town, South Africa
| | - Lucy T Brink
- Department of Obstetrics and Gynaecology, Stellenbosch University, Parow, South Africa
| | - Hein J Odendaal
- Department of Obstetrics and Gynaecology, Stellenbosch University, Parow, South Africa
| | - Dan J Stein
- Department of Psychiatry and Mental Health, University of Cape Town, Cape Town, South Africa
- Neuroscience Institute, University of Cape Town, Cape Town, South Africa
- Unit on Risk and Resilience in Mental Disorders, South African Medical Research Council (SAMRC), Cape Town, South Africa
| | - Kirsten A Donald
- Department of Paediatrics and Child Health, University of Cape Town, Cape Town, South Africa
- Neuroscience Institute, University of Cape Town, Cape Town, South Africa
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Duko B, Dachew BA, Pereira G, Alati R. The effect of prenatal cannabis exposure on offspring preterm birth: a cumulative meta-analysis. Addiction 2023; 118:607-619. [PMID: 36305657 DOI: 10.1111/add.16072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Accepted: 10/02/2022] [Indexed: 11/27/2022]
Abstract
BACKGROUND AND AIMS Mixed results have been reported on the association between prenatal cannabis exposure and preterm birth. This study aimed to examine the magnitude and consistency of associations reported between prenatal cannabis exposure and preterm birth. METHODS This review was guided by the Preferred Reporting Items for Systematic Review and Meta-Analysis (PRISMA) guidelines. We performed a comprehensive search of the literature on the following electronic databases: PubMed, EMBASE, SCOPUS, Psych-INFO and Web of Science. The revised version of the Newcastle-Ottawa Scale (NOS) was used to appraise the methodological quality of the studies included in this review. Inverse variance weighted random-effects cumulative meta-analysis was undertaken to pool adjusted odds ratios (aOR) after sequential inclusion of each newly published study over time. The OR and 95% confidence interval (CI) limits required (stability threshold) for a new study to move the cumulative odds ratio to the null were also computed. RESULTS A total of 27 observational studies published between 1986 and 2022 were included in the final cumulative meta-analysis. The sample size of the studies ranged from 304 to 4.83 million births. Prenatal cannabis exposure was associated with an increased risk of preterm birth (pooled aOR = 1.35, 95% CI = 1.24-1.48). The stability threshold was 0.74 (95% CI limit = 0.81) by the end of 2022. CONCLUSIONS Offspring exposed to maternal prenatal cannabis use was associated with higher risk of preterm birth, which warrants public health messages to avoid such exposure, particularly during pregnancy.
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Affiliation(s)
- Bereket Duko
- Curtin School of Population Health, Faculty of Health Sciences, Curtin University, Bentley, Western Australia, Australia.,enAble Institute, Curtin University, Bentley, Western Australia, Australia
| | - Berihun Assefa Dachew
- Curtin School of Population Health, Faculty of Health Sciences, Curtin University, Bentley, Western Australia, Australia
| | - Gavin Pereira
- Curtin School of Population Health, Faculty of Health Sciences, Curtin University, Bentley, Western Australia, Australia.,enAble Institute, Curtin University, Bentley, Western Australia, Australia
| | - Rosa Alati
- Curtin School of Population Health, Faculty of Health Sciences, Curtin University, Bentley, Western Australia, Australia.,Institute for Social Sciences Research, The University of Queensland, Indooroopilly, Queensland, Australia
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Lopez-Tello J, Sferruzzi-Perri AN. Characterization of placental endocrine function and fetal brain development in a mouse model of small for gestational age. Front Endocrinol (Lausanne) 2023; 14:1116770. [PMID: 36843585 PMCID: PMC9950515 DOI: 10.3389/fendo.2023.1116770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Accepted: 01/27/2023] [Indexed: 02/12/2023] Open
Abstract
Conditions such as small for gestational age (SGA), which is defined as birthweight less than 10th percentile for gestational age can predispose to neurodevelopmental abnormalities compared to babies with normal birthweight. Fetal growth and birthweight depend on placental function, as this organ transports substrates to the developing fetus and it acts as a source of endocrine factors, including steroids and prolactins that are required for fetal development and pregnancy maintenance. To advance our knowledge on the aetiology of fetal growth disorders, the vast majority of the research has been focused on studying the transport function of the placenta, leaving practically unexplored the contribution of placental hormones in the regulation of fetal growth. Here, using mice and natural variability in fetal growth within the litter, we compared fetuses that fell on or below the 10th percentile (classified as SGA) with those that had adequate weight for their gestational age (AGA). In particular, we compared placental endocrine metabolism and hormone production, as well as fetal brain weight and expression of developmental, growth and metabolic genes between SGA and AGA fetuses. We found that compared to AGA fetuses, SGA fetuses had lower placental efficiency and reduced capacity for placental production of hormones (e.g. steroidogenic gene Cyp17a1, prolactin Prl3a1, and pregnancy-specific glycoproteins Psg21). Brain weight was reduced in SGA fetuses, although this was proportional to the reduction in overall fetal size. The expression of glucose transporter 3 (Slc2a3) was reduced despite the abundance of AKT, FOXO and ERK proteins were similar. Developmental (Sv2b and Gabrg1) and microglia genes (Ier3), as well as the pregnancy-specific glycoprotein receptor (Cd9) were lower in the brain of SGA versus AGA fetuses. In this mouse model of SGA, our results therefore demonstrate that placental endocrine dysfunction is associated with changes in fetal growth and fetal brain development.
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Affiliation(s)
- Jorge Lopez-Tello
- Centre for Trophoblast Research – Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, United Kingdom
| | - Amanda N. Sferruzzi-Perri
- Centre for Trophoblast Research – Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, United Kingdom
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Krispin E, Shamshirsaz AA, Mustafa HJ, Sun RC, Espinoza J, Nassr AA, Sanz-Cortes M, Ugoji CH, Harman C, Turan O, Belfort MA, Donepudi R. Impact of middle cerebral artery pulsatility index on donor survival in twin-twin transfusion syndrome. Prenat Diagn 2023; 43:102-108. [PMID: 36539914 DOI: 10.1002/pd.6288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 12/09/2022] [Accepted: 12/12/2022] [Indexed: 12/24/2022]
Abstract
OBJECTIVE To assess outcomes in twin-twin transfusion syndrome (TTTS) according to middle cerebral artery pulsatility index (MCA-PI) prior to fetoscopic laser photocoagulation (FLPC) surgery. METHODS A retrospective cohort analysis of monochorionic-twin pregnancies complicated by TTTS who underwent FLPC at two fetal centers (2012-2021). The cohort was stratified according to abnormal MCA-PI of the donor twin, defined as below fifth centile for gestational age. RESULTS Abnormal MCA-PI of the donor twin was detected in 46 (17.7%) cases compared to 213 (83.3%) controls with no such abnormality. The abnormal PI group presented with higher rates of sFGR (56.5% vs. 36.8% in controls, p = 0.014) and lower donor survival rates within 48 h after FLPC (73.9 vs. 86.8%, p = 0.029). Donor twin survival rates at the time of delivery and 30 days after birth were lower in the abnormal MCA-PI. Multivariate logistic regression analysis controlling for sFGR and MCA-PI <fifth centile demonstrated the latter to be independently associated with lower survival rates at the time of delivery and 30 days after birth [OR = 0.497 95%CI (0.250-0.986) p = 0.045, and OR = 0.499 95%CI (0.252-0.986), p = 0.046, respectively]. Recipient's survival rates did not differ between the groups. CONCLUSIONS Donor survival at the time of delivery and 30 days after birth was lower in TTTS cases with MCA-PI<fifth centile for gestational age prior to laser surgery. This parameter may be considered when evaluating prognosis for TTTS.
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Affiliation(s)
- Eyal Krispin
- Department of Obstetrics and Gynecology, Division of Fetal Therapy and Surgery, Baylor College of Medicine and Texas Children's Fetal Center, Houston, Texas, USA
| | - Alireza A Shamshirsaz
- Department of Obstetrics and Gynecology, Division of Fetal Therapy and Surgery, Baylor College of Medicine and Texas Children's Fetal Center, Houston, Texas, USA
| | - Hiba J Mustafa
- Department of Obstetrics, Gynecology and Reproductive Sciences, Division of Maternal-Fetal Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Raphael C Sun
- Department of Obstetrics and Gynecology, Division of Fetal Therapy and Surgery, Baylor College of Medicine and Texas Children's Fetal Center, Houston, Texas, USA
| | - Jimmy Espinoza
- Department of Obstetrics and Gynecology, Division of Fetal Therapy and Surgery, Baylor College of Medicine and Texas Children's Fetal Center, Houston, Texas, USA
| | - Ahmed A Nassr
- Department of Obstetrics and Gynecology, Division of Fetal Therapy and Surgery, Baylor College of Medicine and Texas Children's Fetal Center, Houston, Texas, USA
| | - Magdalena Sanz-Cortes
- Department of Obstetrics and Gynecology, Division of Fetal Therapy and Surgery, Baylor College of Medicine and Texas Children's Fetal Center, Houston, Texas, USA
| | - Chilaka H Ugoji
- Department of Obstetrics and Gynecology, Division of Fetal Therapy and Surgery, Baylor College of Medicine and Texas Children's Fetal Center, Houston, Texas, USA
| | - Christopher Harman
- Department of Obstetrics, Gynecology and Reproductive Sciences, Division of Maternal-Fetal Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Ozhan Turan
- Department of Obstetrics, Gynecology and Reproductive Sciences, Division of Maternal-Fetal Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Michael A Belfort
- Department of Obstetrics and Gynecology, Division of Fetal Therapy and Surgery, Baylor College of Medicine and Texas Children's Fetal Center, Houston, Texas, USA
| | - Roopali Donepudi
- Department of Obstetrics and Gynecology, Division of Fetal Therapy and Surgery, Baylor College of Medicine and Texas Children's Fetal Center, Houston, Texas, USA
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10
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Shoji H, Murano Y, Saitoh Y, Ikeda N, Ohkawa N, Nishizaki N, Hisata K, Kantake M, Obinata K, Yoneoka D, Shimizu T. Use of Head and Chest Circumference Ratio as an Index of Fetal Growth Retardation in Preterm Infants. Nutrients 2022; 14:nu14224942. [PMID: 36432628 PMCID: PMC9694309 DOI: 10.3390/nu14224942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 11/17/2022] [Accepted: 11/19/2022] [Indexed: 11/23/2022] Open
Abstract
We evaluated the relationship between fetal growth in preterm babies using the head circumference (HC)/chest circumference (CC) ratio and other anthropometric parameters at birth and at school age. Data were collected from 187 very low birth weight (VLBW) children born at less than 30 weeks of gestational age (GA) at birth and at 6 years. We assessed the correlation between the HC/CC ratio and body weight (BW), body length (BL), and HC z-scores at birth, and BW, body height (BH), and body mass index (BMI) z-scores at 6 years. Multiple regression analysis showed that BW z-score, BL z-score, and HC z-score at birth were significantly associated with HC/CC at birth. The BMI z-score at 6 years was also significantly associated with HC/CC at birth. The HC/CC ratio at birth is a reliable parameter for evaluating fetal growth restriction and a possible predictor of physical growth in VLBW children.
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Affiliation(s)
- Hiromichi Shoji
- Department of Pediatrics, Juntendo University Faculty of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan
- Correspondence: ; Tel.: +81-3-3813-3111; Fax: +81-3-5800-0216
| | - Yayoi Murano
- Department of Pediatrics, Juntendo University Faculty of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Yukika Saitoh
- Department of Pediatrics, Juntendo University Faculty of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Naho Ikeda
- Department of Pediatrics, Juntendo University Faculty of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Natsuki Ohkawa
- Department of Neonatology, Juntendo University Shizuoka Hospital, 1129 Nagaoka, Izunokuni-shi, Shizuoka 410-2295, Japan
| | - Naoto Nishizaki
- Department of Pediatrics, Juntendo University Urayasu Hospital, 2-1-1 Tomioka, Urayasu-shi, Chiba 279-0021, Japan
| | - Ken Hisata
- Department of Pediatrics, Juntendo University Faculty of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Masato Kantake
- Department of Neonatology, Juntendo University Nerima Hospital, 3-1-10 Koyadai, Nerima-ku, Tokyo 177-8521, Japan
| | - Kaoru Obinata
- Department of Pediatrics, Juntendo University Faculty of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Daisuke Yoneoka
- Division of Biostatistics and Bioinformatics, Graduate School of Public Health St. Luke’s International University, 10-1 Akashi-cho, Chuo-ku, Tokyo 104-0044, Japan
| | - Toshiaki Shimizu
- Department of Pediatrics, Juntendo University Faculty of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan
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11
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Obesity and Metabolic Traits after High-Fat Diet in Iberian Pigs with Low Birth Weight of Placental Origin. BIOLOGY 2022; 11:biology11101533. [PMID: 36290436 PMCID: PMC9598994 DOI: 10.3390/biology11101533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 10/16/2022] [Accepted: 10/18/2022] [Indexed: 11/05/2022]
Abstract
Intrauterine growth restriction (IUGR) and later obesity and metabolic disorders have classically been associated with maternal malnutrition, but most cases of IUGR are related to placental insufficiency. The current study, using a swine model for IUGR and obesity, aimed to determine the interaction of birth weight (categorized as low birth weight [LBW] or normal birth-weight [NBW]) and postnatal diet (categorized as maintenance diet [MD] or fattening diet [FD]) on body weight, adiposity and metabolic traits. FD induced higher body weight and adiposity (both p < 0.0001), with higher fructosamine levels (p < 0.005) and a trend toward higher HOMA-β index (p = 0.05). NBW pigs remained heavier than LBW pigs during the early juvenile period (p < 0.005), but there were no differences at later stages. There were no differences in metabolic traits during juvenile development, but there were differences in adulthood, when LBW pigs showed higher glucose and lower insulin levels than NBW pigs (both p < 0.05). These results suggest that (a) FD allows LBW offspring to achieve similar obesity in adulthood as NBW offspring, and (b) glucose metabolism is more compromised in obese LBW than obese NBW pigs. The comparison of our data with previous studies highlights significant differences between offspring with LBW induced by maternal malnutrition or placental insufficiency, which should be considered when studying the condition.
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12
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Cahill LS, Mercer GV, Jagota D, Ravi Chandran A, Milligan N, Shinar S, Whitehead CL, Hobson SR, Serghides L, Parks WT, Macgowan CK, Kingdom JC, Sled JG, Baschat AA. Doppler Ultrasound of the Fetal Descending Aorta: An Objective Tool to Assess Placental Blood Flow Resistance in Pregnancies With Discordant Umbilical Arteries. JOURNAL OF ULTRASOUND IN MEDICINE : OFFICIAL JOURNAL OF THE AMERICAN INSTITUTE OF ULTRASOUND IN MEDICINE 2022; 41:899-905. [PMID: 34228375 PMCID: PMC8733057 DOI: 10.1002/jum.15773] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 06/10/2021] [Accepted: 06/20/2021] [Indexed: 06/13/2023]
Abstract
OBJECTIVES To determine the relationship between blood flow in the fetal descending aorta and discordant umbilical arteries (UAs). METHODS Pulsed wave Doppler of both UAs and the descending aorta was performed at 4-weekly intervals between 14 and 40 weeks of gestation in 209 pregnant women. In datasets with discordant UAs, a linear mixed effects model was used to determine the categorical relationship between the UA pulsatility index (PI) (high, low and average) and the descending aorta PI. RESULTS Of the 209 cases, 81 had a discordance of greater than 25% in UA PI during one of their visits. There were no differences in birth outcomes between the groups with concordant and discordant UA PIs. In the cases with discordant UA PIs, the descending aorta PI was most strongly associated with both the average UA PI (P = .008), and with the UA with the lower PI (P = .008). CONCLUSIONS The relationship between blood flow in the descending aorta and UAs is consistent with the law for combining resistances in parallel. Measurements of the descending aorta PI, particularly in a scenario with discordant UAs, may inform the stability of the feto-placental circulation where discordant UA PIs are found.
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Affiliation(s)
- Lindsay S Cahill
- Department of Chemistry, Memorial University of Newfoundland, St John's, Newfoundland and Labrador, Canada
| | - Grace V Mercer
- Department of Chemistry, Memorial University of Newfoundland, St John's, Newfoundland and Labrador, Canada
| | - Dakshita Jagota
- Department of Chemistry, Memorial University of Newfoundland, St John's, Newfoundland and Labrador, Canada
| | | | - Natasha Milligan
- Division of Cardiology, Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada
| | | | - Clare L Whitehead
- Pregnancy Research Centre, Department of Obstetrics and Gynaecology, Royal Women's Hospital, Parkville, Australia
| | | | - Lena Serghides
- Toronto General Hospital Research Institute, University Health Network, Toronto, Ontario, Canada
- Department of Immunology and Institute of Medical Sciences, University of Toronto, Toronto, Ontario, Canada
- Women's College Research Institute, Women's College Hospital, Toronto, Ontario, Canada
| | - W Tony Parks
- Department of Pathology, Mount Sinai Hospital, Toronto, Ontario, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada
| | - Christopher K Macgowan
- Translational Medicine, The Hospital for Sick Children, Toronto, Ontario, Canada
- Department of Medical Biophysics, University of Toronto, Toronto, Ontario, Canada
| | - John C Kingdom
- Mount Sinai Hospital, Toronto, Ontario, Canada
- Department of Obstetrics and Gynecology, University of Toronto, Toronto, Ontario, Canada
| | - John G Sled
- Translational Medicine, The Hospital for Sick Children, Toronto, Ontario, Canada
- Department of Medical Biophysics, University of Toronto, Toronto, Ontario, Canada
- Department of Obstetrics and Gynecology, University of Toronto, Toronto, Ontario, Canada
- Mouse Imaging Centre, The Hospital for Sick Children, Toronto, Ontario, Canada
| | - Ahmet A Baschat
- Centre for Fetal Therapy, Johns Hopkins Medicine, Baltimore, Maryland, USA
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13
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Lees CC, Romero R, Stampalija T, Dall'Asta A, DeVore GA, Prefumo F, Frusca T, Visser GHA, Hobbins JC, Baschat AA, Bilardo CM, Galan HL, Campbell S, Maulik D, Figueras F, Lee W, Unterscheider J, Valensise H, Da Silva Costa F, Salomon LJ, Poon LC, Ferrazzi E, Mari G, Rizzo G, Kingdom JC, Kiserud T, Hecher K. Clinical Opinion: The diagnosis and management of suspected fetal growth restriction: an evidence-based approach. Am J Obstet Gynecol 2022; 226:366-378. [PMID: 35026129 PMCID: PMC9125563 DOI: 10.1016/j.ajog.2021.11.1357] [Citation(s) in RCA: 57] [Impact Index Per Article: 28.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Revised: 11/22/2021] [Accepted: 11/22/2021] [Indexed: 11/01/2022]
Abstract
This study reviewed the literature about the diagnosis, antepartum surveillance, and time of delivery of fetuses suspected to be small for gestational age or growth restricted. Several guidelines have been issued by major professional organizations, including the International Society of Ultrasound in Obstetrics and Gynecology and the Society for Maternal-Fetal Medicine. The differences in recommendations, in particular about Doppler velocimetry of the ductus venosus and middle cerebral artery, have created confusion among clinicians, and this review has intended to clarify and highlight the available evidence that is pertinent to clinical management. A fetus who is small for gestational age is frequently defined as one with an estimated fetal weight of <10th percentile. This condition has been considered syndromic and has been frequently attributed to fetal growth restriction, a constitutionally small fetus, congenital infections, chromosomal abnormalities, or genetic conditions. Small for gestational age is not synonymous with fetal growth restriction, which is defined by deceleration of fetal growth determined by a change in fetal growth velocity. An abnormal umbilical artery Doppler pulsatility index reflects an increased impedance to flow in the umbilical circulation and is considered to be an indicator of placental disease. The combined finding of an estimated fetal weight of <10th percentile and abnormal umbilical artery Doppler velocimetry has been widely accepted as indicative of fetal growth restriction. Clinical studies have shown that the gestational age at diagnosis can be used to subclassify suspected fetal growth restriction into early and late, depending on whether the condition is diagnosed before or after 32 weeks of gestation. The early type is associated with umbilical artery Doppler abnormalities, whereas the late type is often associated with a low pulsatility index in the middle cerebral artery. A large randomized clinical trial indicated that in the context of early suspected fetal growth restriction, the combination of computerized cardiotocography and fetal ductus venosus Doppler improves outcomes, such that 95% of surviving infants have a normal neurodevelopmental outcome at 2 years of age. A low middle cerebral artery pulsatility index is associated with an adverse perinatal outcome in late fetal growth restriction; however, there is no evidence supporting its use to determine the time of delivery. Nonetheless, an abnormality in middle cerebral artery Doppler could be valuable to increase the surveillance of the fetus at risk. We propose that fetal size, growth rate, uteroplacental Doppler indices, cardiotocography, and maternal conditions (ie, hypertension) according to gestational age are important factors in optimizing the outcome of suspected fetal growth restriction.
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Affiliation(s)
- Christoph C Lees
- Department of Metabolism, Digestion and Reproduction, Institute of Reproductive and Developmental Biology, Imperial College London, Queen Charlotte's and Chelsea Hospital, Imperial College Healthcare NHS Trust, London, United Kingdom.
| | - Roberto Romero
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, US Department of Health and Human Services, Bethesda, MD, and Detroit, MI; Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, MI; Department of Epidemiology and Biostatistics, Michigan State University, East Lansing, MI; Center for Molecular Medicine and Genetics, Wayne State University, Detroit, MI
| | - Tamara Stampalija
- Department of Obstetrics and Gynecology, Unit of Fetal Medicine and Prenatal Diagnosis, Institute for Maternal and Child Health, Scientific Institute for Research, Hospitalization and Healthcare Burlo Garofolo, Trieste, Italy; Department of Medicine, Surgery and Health Sciences, University of Trieste, Trieste, Italy
| | - Andrea Dall'Asta
- Department of Metabolism, Digestion and Reproduction, Institute of Reproductive and Developmental Biology, Imperial College London, Queen Charlotte's and Chelsea Hospital, Imperial College Healthcare NHS Trust, London, United Kingdom; Department of Medicine and Surgery, Obstetrics and Gynecology Unit, University of Parma, Parma, Italy
| | - Greggory A DeVore
- Department of Obstetrics and Gynecology, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA
| | - Federico Prefumo
- Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy
| | - Tiziana Frusca
- Department of Medicine and Surgery, Obstetrics and Gynecology Unit, University of Parma, Parma, Italy
| | - Gerard H A Visser
- Department of Obstetrics, University Medical Center, Utrecht, The Netherlands
| | - John C Hobbins
- Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, University of Colorado School of Medicine, Aurora, CO
| | - Ahmet A Baschat
- Department of Gynecology and Obstetrics, John Hopkins Center for Fetal Therapy, Johns Hopkins University, Baltimore, MD
| | - Caterina M Bilardo
- Amsterdam UMC, University of Amsterdam, Department of Obstetrics and Gynaecology, Amsterdam, the Netherlands
| | - Henry L Galan
- Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, University of Colorado School of Medicine, Aurora, CO; Colorado Fetal Care Center, Children's Hospital of Colorado, Aurora, CO
| | | | - Dev Maulik
- Department of Obstetrics and Gynecology, University of Missouri-Kansas City School of Medicine, Kansas City, MO
| | - Francesc Figueras
- BCNatal, Barcelona Center for Maternal-Fetal and Neonatal Medicine, Hospital Clínic and Hospital Sant Joan de Déu, University of Barcelona, Barcelona, Spain
| | - Wesley Lee
- Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Pavilion for Women, Houston, TX
| | - Julia Unterscheider
- Department of Maternal-Fetal Medicine, Royal Women's Hospital, Melbourne, Australia; Department of Obstetrics and Gynaecology, The University of Melbourne, Australia
| | - Herbert Valensise
- University of Rome Tor Vergata, Rome, Italy; Department of Surgery, Policlinico Casilino, Rome, Italy
| | - Fabricio Da Silva Costa
- Maternal-Fetal Medicine Unit, Gold Coast University Hospital, Gold Coast, Queensland, Australia; School of Medicine, Griffith University, Gold Coast, Queensland, Australia
| | - Laurent J Salomon
- Obstétrique et Plateforme LUMIERE, Hôpital Necker-Enfants Malades (AP-HP) et Université de Paris, Paris, France
| | - Liona C Poon
- Department of Obstetrics and Gynecology, The Chinese University of Hong Kong, Hong Kong, Special Administrative Region of China
| | - Enrico Ferrazzi
- Department of Woman, Child and Neonate, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Giancarlo Mari
- Department of Obstetrics and Gynecology, Women's Health Institute, Cleveland Clinic Foundation, Cleveland, OH
| | - Giuseppe Rizzo
- Università di Roma Tor Vergata, Department of Obstetrics and Gynecology, Fondazione Policinico Tor Vergata, Rome, Italy; The First I.M. Sechenov Moscow State Medical University, Department of Obstetrics and Gynaecology, Moscow, Russian Federation
| | - John C Kingdom
- Placenta Program, Department of Obstetrics and Gynecology, Mount Sinai Hospital, Toronto, Ontario, Canada
| | - Torvid Kiserud
- Department of Obstetrics and Gynecology, Haukeland University Hospital, and Department of Clinical Science, University of Bergen, Bergen, Norway
| | - Kurt Hecher
- Department of Obstetrics and Fetal Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
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14
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Brennan S, Watson D, Schneider M, Rudd D, Kandasamy Y. Fetal renal artery blood flow - Normal ranges. ULTRASOUND (LEEDS, ENGLAND) 2022; 30:62-71. [PMID: 35173780 PMCID: PMC8841938 DOI: 10.1177/1742271x211022402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Accepted: 05/04/2021] [Indexed: 02/03/2023]
Abstract
INTRODUCTION The study objectives were to develop standard charts for fetal renal artery blood flow to define normal ranges and to assess the reliability of the measurements. METHODS This prospective, longitudinal study reviewed 72 low-risk singleton pregnancies who had serial ultrasound examinations. Pulse wave Doppler was used to obtain the resistivity and pulsatility indices of the fetal renal arteries. Standard charts of the fetal renal arteries were created using mixed effects modelling and the intra- and interobserver reliability for the renal blood flow measurements was analysed. RESULTS Standard charts of the normal ranges of the renal artery resistive index (RI) and pulsatility index (PI) of the fetal renal arteries were created. The 3rd, 5th, 10th, 50th, 90th, 95th and 97th centiles were calculated. The intraclass correlation coefficient was acceptable for intraobserver reliability (RI = 0.66, PI = 0.88) and poor for interobserver reliability (RI = 0.11, PI = -0.56). CONCLUSIONS These novel charts demonstrate the change of the fetal renal artery blood flow during pregnancy. These may be used in clinical practice to detect variations from these normal ranges and be useful in future studies of kidney function projection.
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Affiliation(s)
- Sonja Brennan
- Ultrasound Department, Townsville University Hospital, Douglas, Townsville, Australia,Sonja Brennan, Townsville Hospital and Health Service 100 Angus Smith Drive Douglas Townsville, AU-QLD Queensland 4814, Australia.
| | - David Watson
- Division of Tropical Health and Medicine, James Cook University, Townsville, Australia
| | - Michal Schneider
- Maternal Fetal Medicine Unit and Department of Obstetrics and Gynaecology, Townsville University Hospital, Townsville, Australia
| | - Donna Rudd
- Department of Medical Imaging & Radiation Sciences, Monash University, Melbourne, Australia
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15
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Hippocampal mTOR Dysregulation and Morphological Changes in Male Rats after Fetal Growth Restriction. Nutrients 2022; 14:nu14030451. [PMID: 35276811 PMCID: PMC8839133 DOI: 10.3390/nu14030451] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 01/14/2022] [Accepted: 01/18/2022] [Indexed: 02/04/2023] Open
Abstract
Fetal growth restriction (FGR) has been linked to long-term neurocognitive impairment, especially in males. To determine possible underlying mechanisms, we examined hippocampal cellular composition and mTOR signaling of male rat FGR offspring during main brain growth and development (postnatal days (PND) 1 and 12). FGR was either induced by a low-protein diet throughout pregnancy, experimental placental insufficiency by bilateral uterine vessel ligation or intrauterine stress by “sham” operation. Offspring after unimpaired gestation served as common controls. Low-protein diet led to a reduced cell density in the molecular dentate gyrus subregion, while intrauterine surgical stress was associated with increased cell density in the cellular CA2 subregion. Experimental placental insufficiency caused increased mTOR activation on PND 1, whereas intrauterine stress led to mTOR activation on PND 1 and 12. To determine long-term effects, we additionally examined mTOR signaling and Tau phosphorylation, which is altered in neurodegenerative diseases, on PND 180, but did not find any changes among the experimental groups. Our findings suggest that hippocampal cellular proliferation and mTOR signaling are dysregulated in different ways depending on the cause of FGR. While a low-protein diet induced a decreased cell density, prenatal surgical stress caused hyperproliferation, possibly via increased mTOR signaling.
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16
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Brouwer E, Knol R, Kroushev A, Van Den Akker T, Hooper SB, Roest AA, te Pas AB. Effect of breathing on venous return during delayed cord clamping: an observational study. Arch Dis Child Fetal Neonatal Ed 2022; 107:65-69. [PMID: 34108193 PMCID: PMC8685611 DOI: 10.1136/archdischild-2020-321431] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Accepted: 05/06/2021] [Indexed: 11/23/2022]
Abstract
OBJECTIVE To investigate the effect of spontaneous breathing on venous return in term infants during delayed cord clamping at birth. METHODS Echocardiographic ultrasound recordings were obtained directly after birth in healthy term-born infants. A subcostal view was used to obtain an optimal view of the inferior vena cava (IVC) entering the right atrium, including both the ductus venosus (DV) and the hepatic vein (HV). Colour Doppler was used to assess flow direction and flow velocity. Recordings continued until the umbilical cord was clamped and were stored in digital format for offline analyses. RESULTS Ultrasound recordings were obtained in 15 infants, with a median (IQR) gestational age of 39.6 (39.0-40.9) weeks and a birth weight of 3560 (3195-4205) g. Flow was observed to be antegrade in the DV and HV in 98% and 82% of inspirations, respectively, with flow velocity increasing in 74% of inspirations. Retrograde flow in the DV was observed sporadically and only occurred during expiration. Collapse of the IVC occurred during 58% of inspirations and all occurred caudal to the DV inlet (100%). CONCLUSION Spontaneous breathing was associated with collapse of the IVC and increased antegrade DV and HV flow velocity during inspiration. Therefore, inspiration appears to preferentially direct blood flow from the DV into the right atrium. This indicates that inspiration could be a factor driving placental transfusion in infants.
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Affiliation(s)
- Emma Brouwer
- Neonatology, Leiden University Medical Center Willem Alexander Children's Hospital, Leiden, The Netherlands
| | - Ronny Knol
- Neonatology, Leiden University Medical Center Willem Alexander Children's Hospital, Leiden, The Netherlands,Neonatology, Erasmus MC, Rotterdam, The Netherlands
| | - Annie Kroushev
- Monash Women's, Monash Health, Clayton, Victoria, Australia
| | | | - Stuart B Hooper
- The Ritchie Centre, Hudson Institute of Medical Research, Clayton, Victoria, Australia,Obstetrics and Gynaecology, Monash University, Clayton, Victoria, Australia
| | - Arno A Roest
- Pediatric Cardiology, Leiden University Medical Center Willem Alexander Children’s Hospital, Leiden, The Netherlands
| | - Arjan B te Pas
- Neonatology, Leiden University Medical Center Willem Alexander Children's Hospital, Leiden, The Netherlands
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17
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Song Y, Sun J, Li C, Lin L, Gao F, Yang M, Sun B, Wang Y. Long-term monitoring of blood biomarkers related to intrauterine growth restriction using AgNPs SERS tags-based lateral flow assay. Talanta 2021; 241:123128. [PMID: 35038640 DOI: 10.1016/j.talanta.2021.123128] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 12/03/2021] [Accepted: 12/04/2021] [Indexed: 01/12/2023]
Abstract
Sensitive and accurate early detection of fetal growth restriction (FGR) is of vital importance in the development of the fetus during pregnancy and even the health of future life. Here, an ultrasensitive and straightforward surface-enhanced Raman scattering (SERS)-based double targets detection in pregnancy is implemented by utilizing functionalized Ag nanoparticles (AgNPs). Through fabricating 4-MPA antibody-modified AgNPs on the lateral flow assay (LFA) strips as the SERS nanotags, the target proteins in blood samples from pregnancy were accurately captured, which further quantizing PI3K and CRAF in unprocessed blood. This strategy warrant excellent selectivity and sensitivity with the limits of detection (LODs) are 0.76 fg mL-1 for PI3K and 0.61 fg mL-1 for CRAF, leading reliable quantification for these two targets. Meanwhile, the feasibility of this assembly was testified by comparing with conventional ELISA method, and the results showed that a high degree of consistency was obtained in these two detection assays. This SERS-colorimetric dual-signal LFA strip can provide a novel strategy for early diagnosis of fetal-related disorders, which is essential for disease diagnosis and treatment guidance during pregnancy.
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Affiliation(s)
- Yanan Song
- Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, China; Qingdao Medical College of Qingdao University, Qingdao, China
| | - Jingyi Sun
- Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, China; Shandong Provincial Hospital Affiliated to Shandong First Medical University& Shandong Academy of Medical Sciences, Jinan, China
| | - Chunmei Li
- Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, China
| | - Li Lin
- Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, China
| | - Feng Gao
- Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, China
| | - Mingfeng Yang
- Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, China
| | - Baoliang Sun
- Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, China
| | - Ying Wang
- Second Affiliated Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, China
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Sobh E, Mohammed AM, Adawy Z, Nassef AH, Hasheesh A. The impact of secondhand smoke exposure on the pregnancy outcome: a prospective cohort study among Egyptian community. THE EGYPTIAN JOURNAL OF BRONCHOLOGY 2021. [DOI: 10.1186/s43168-021-00097-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Secondhand smoke (SHS) exposure gained lesser interest than active smoking. There is evidence from previous studies that SHS exposure had negative effects on fetal growth. This study aimed to examine the effect of smoke exposure on pregnancy outcome and to evaluate the level of nicotine urinary end-product cotinine in pregnant women in the late trimester. We included 36 women with a history of SHS exposure and 48 women without a history of exposure; all were in last trimester of pregnancy. We measured cotinine level in urine and followed the two groups until delivery and recorded fetal outcomes. Fetal biophysical parameters and blood flow waveforms were measured using B-mode and Doppler ultrasonography, respectively.
Results
The total range of the urinary cotinine creatinine ratio (CCR) concentration in the SHS exposed pregnant women was 0.01–0.2, IQR = 0.18 ng/mg.cr, versus 0.01–0.1, and IQR = 0.03 ng/mg.cr in the non-exposed group. The mean value as well as the mean rank of CCR was significantly higher (0.1 ± 0.08 ng/mg.cr., 40.3 respectively) in the exposed pregnant women as compared to the non-exposed pregnant women ((0.04 ± 0.02), 29.3 respectively, p value < 0.05). Newborn of the exposed women had significantly low birth weight which negatively correlated with cotinine level and had a dose-response relationship.
Conclusions
SHS exposure had negative effects on fetal outcomes. Efforts should be utilized to increase awareness of the consequences of secondhand smoke on the fetus and strict follow-up of exposed women for early detection.
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Murano Y, Shoji H, Ikeda N, Okawa N, Hayashi K, Kantake M, Morisaki N, Shimizu T, Gilmour S. Analysis of Factors Associated With Body Mass Index at Ages 18 and 36 Months Among Infants Born Extremely Preterm. JAMA Netw Open 2021; 4:e2128555. [PMID: 34648012 PMCID: PMC8517745 DOI: 10.1001/jamanetworkopen.2021.28555] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/04/2022] Open
Abstract
IMPORTANCE The development of neonatology has been associated with improved survival among infants born extremely preterm, and understanding their long-term outcomes is becoming increasingly important. However, there is little information on body mass index (BMI) among these children. OBJECTIVE To determine factors associated with BMI at ages 18 months and 36 months among infants born extremely preterm. DESIGN, SETTING, AND PARTICIPANTS This retrospective, multicenter cohort study was conducted using data from the Neonatal Research Network Japan database for 8838 infants born at gestational ages 23 to 28 weeks with data on BMI at 18 months and 36 months. Data were analyzed from April 2018 through June 2021. EXPOSURES BMI and BMI z score at ages 18 months and 36 months were regressed with gestational age, intrauterine growth restriction (IUGR) status, and complications during pregnancy and the neonatal period separately by presence of multiple pregnancy and sex. MAIN OUTCOMES AND MEASURES BMI and BMI z score at ages 18 months and 36 months. RESULTS Among 16 791 eligible infants born extremely preterm, 8838 infants were included in the analysis. There were 7089 infants born from single pregnancies (mean [SD] gestational age, 26.0 [1.6] weeks; 3769 [53.2%] boys; mean [SD] birth weight, 847 [228] g) and 1749 infants born from multiple pregnancies (mean [SD] gestational age, 26.3 [1.5] weeks; 903 [51.6%] boys; mean [SD] birth weight, 860 [217] g). In single pregnancies, every week of increased gestational age was associated with an increase in BMI of 0.21 (95% CI, 0.17-0.25) among boys and 0.20 (95% CI, 0.15-0.25) among girls at age 18 months and 0.21 (95% CI, 0.18-0.24) among boys and 0.21 (95% CI, 0.18-0.24) among girls at age 36 months. There was an interaction association between gestational age and IUGR among boys at age 36 months, with a decrease in the change associated with gestational age of 0.12 (95% CI, 0.05-0.19). Every week of increased gestational age in single pregnancies was associated with an increase in BMI z score of 0.14 (95% CI, 0.17-0.21) among boys and 0.17 (95% CI, 0.13-0.21) among girls at age 18 months and 0.19 (95% CI, 0.16-0.22) among boys and 0.17 (95% CI, 0.15-0.20) among girls at age 36 months. Among single pregnancies, IUGR was associated with a decrease in BMI among boys (0.59 [95% CI, 0.23-0.95]) and girls (0.75 [95% CI, 0.39-1.11]) and BMI z score among boys 0.85 [95% CI, 0.25-0.95)] and girls (0.67 [95% CI, 0.36-0.97] at age 18 months and BMI among boys (0.44 [95% CI, 0.17-0.18]) and girls (0.84 [95% CI, 0.55-1.12]) and BMI z score among boys (0.46 [95% CI, 0.21-0.71]) and girls (0.77 [95% CI, 0.53-1.01]) at age 36 months. In multiple pregnancies, IUGR was associated with a decrease in BMI z score at age 36 months among boys (0.26 [95% CI, 0.42-0.89]) and girls (0.29 [95% CI, 0.22-0.79]). In single pregnancies intraventricular hemorrhage (IVH) was associated with a decrease in BMI of 0.47 (95% CI, 0.21-0.73) among boys and 0.42 (95% CI, 0.13-0.71) among girls at age 18 months and 0.53 (95% CI, 0.32-0.74) among boys and 0.31 (95% CI, 0.07-0.54) among girls at age 36 months. IVH was associated with a decrease in BMI z score in single pregnancies of 0.63 (95% CI, 0.20-0.41) among boys and 0.35 (95% CI, 0.12-0.60) among girls at age 18 months and 0.53 (95% CI, 0.34-0.71) among boys and 0.30 (95% CI, 0.11-0.50) among girls at age 36 months. Similar associations were seen in multiple pregnancies. CONCLUSIONS AND RELEVANCE This study found that gestational age, the presence of IUGR and multiple pregnancy, and IVH complications were associated with infant BMI at ages 18 months and 36 months. These findings suggest that these complicating factors should be considered when setting growth targets and nutrition strategies for infants born extremely preterm.
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Affiliation(s)
- Yayoi Murano
- Department of Pediatrics, Juntendo University Faculty of Medicine, Hongo, Bunkyo-ku, Tokyo, Japan
- Graduate School of Public Health, St. Luke’s International University, Akashi-cho, Chuo-ku, Tokyo, Japan
| | - Hiromichi Shoji
- Department of Pediatrics, Juntendo University Faculty of Medicine, Hongo, Bunkyo-ku, Tokyo, Japan
| | - Naho Ikeda
- Department of Pediatrics, Juntendo University Faculty of Medicine, Hongo, Bunkyo-ku, Tokyo, Japan
| | - Natsuki Okawa
- Department of Pediatrics, Juntendo University Faculty of Medicine, Hongo, Bunkyo-ku, Tokyo, Japan
| | - Kuniyoshi Hayashi
- Graduate School of Public Health, St. Luke’s International University, Akashi-cho, Chuo-ku, Tokyo, Japan
| | - Masato Kantake
- Department of Pediatrics, Juntendo University Faculty of Medicine, Hongo, Bunkyo-ku, Tokyo, Japan
| | - Naho Morisaki
- Department of Social Medicine, National Center for Child Health and Development, Okura, Setagaya-ku, Tokyo, Japan
| | - Toshiaki Shimizu
- Department of Pediatrics, Juntendo University Faculty of Medicine, Hongo, Bunkyo-ku, Tokyo, Japan
| | - Stuart Gilmour
- Graduate School of Public Health, St. Luke’s International University, Akashi-cho, Chuo-ku, Tokyo, Japan
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Doppler Ultrasonography of the Fetal Tibial Artery in High-Risk Pregnancy and Its Value in Predicting and Monitoring Fetal Hypoxia in IUGR Fetuses. MEDICINA-LITHUANIA 2021; 57:medicina57101036. [PMID: 34684073 PMCID: PMC8538259 DOI: 10.3390/medicina57101036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 09/22/2021] [Accepted: 09/27/2021] [Indexed: 11/16/2022]
Abstract
Background and Objectives: Intrauterine growth restriction (IUGR) is the term used to describe a fetus whose estimated weight is less than the 10th percentile of its age growth curve. IUGR is the second most common cause of perinatal death. In many cases there is a deficiency in the standardization of optimal management, prenatal follow-up and timing of delivery. Doppler examination is the most sensitive test that can assess the condition of the fetus and indicate fetal intrauterine hypoxia. Numerous studies of the fetal intrauterine state focus on the umbilical artery and the fetal cerebral blood vessels, while the peripheral arteries have so far received insufficient attention. Materials and Methods: We present a case of an IUGR fetus monitored with a non-stress test (NST) and a Doppler examination of the fetal arteries (tibial, umbilical, middle cerebral and uterine) and the ductus venosus. In this case the first early sign of fetal hypoxia was revealed by blood flow changes in the tibial artery. Results: We hypothesize that peripheral vascular changes (in the tibial artery) may more accurately reflect the onset of deterioration in the condition of the IUGR fetus, such that peripheral blood flow monitoring ought to be employed along with other techniques already in use. Conclusion: This paper describes the clinical presentation of an early detection of late IUGR hypoxia and claims that blood flow changes in the tibial artery signal the worsening of the fetus’s condition.
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Jacquier M, Arthuis C, Grévent D, Bussières L, Henry C, Millischer-Bellaiche AE, Mahallati H, Ville Y, Siauve N, Salomon LJ. Dynamic contrast enhanced magnetic resonance imaging: A review of its application in the assessment of placental function. Placenta 2021; 114:90-99. [PMID: 34507031 DOI: 10.1016/j.placenta.2021.08.055] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Revised: 06/02/2021] [Accepted: 08/23/2021] [Indexed: 01/02/2023]
Abstract
It is important to develop a better understanding of placental insufficiency given its role in common maternofetal complications such as preeclampsia and fetal growth restriction. Functional magnetic resonance imaging offers unprecedented techniques for exploring the placenta under both normal and pathological physiological conditions. Dynamic contrast-enhanced magnetic resonance imaging (DCE MRI) is an established and very robust method to investigate the microcirculatory parameters of an organ and more specifically its perfusion. It is currently a gold standard in the physiological and circulatory evaluation of an organ. Its application to the human placenta could enable to access many microcirculatory parameters relevant to the placental function such as organ blood flow, fractional blood volume, and permeability surface area, by the acquisition of serial images, before, during, and after administration of an intravenous contrast agent. Widely used in animal models with gadolinium-based contrast agents, its application to the human placenta could be possible if the safety of contrast agents in pregnancy is established or they are confirmed to not cross the placenta.
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Affiliation(s)
- Mathilde Jacquier
- Obstetrics and Gynecology Department, Assistance Publique - Hôpitaux de Paris, Hôpital Necker - Enfants Malades, 149 Rue de Sèvres, 75015, Paris, France; EA FETUS 7328 and LUMIERE Unit, Université de Paris, France
| | - Chloé Arthuis
- EA FETUS 7328 and LUMIERE Unit, Université de Paris, France; Obstetrics and Gynecology Department, CHU Nantes, 38 Boulevard Jean Monnet, 44000, Nantes, France
| | - David Grévent
- EA FETUS 7328 and LUMIERE Unit, Université de Paris, France; Radiology Department, Assistance Publique - Hôpitaux de Paris, Hôpital Necker - Enfants Malades, 149 Rue de Sèvres, 75015, Paris, France
| | - Laurence Bussières
- Obstetrics and Gynecology Department, Assistance Publique - Hôpitaux de Paris, Hôpital Necker - Enfants Malades, 149 Rue de Sèvres, 75015, Paris, France; EA FETUS 7328 and LUMIERE Unit, Université de Paris, France
| | - Charline Henry
- EA FETUS 7328 and LUMIERE Unit, Université de Paris, France
| | - Anne-Elodie Millischer-Bellaiche
- EA FETUS 7328 and LUMIERE Unit, Université de Paris, France; Radiology Department, Assistance Publique - Hôpitaux de Paris, Hôpital Necker - Enfants Malades, 149 Rue de Sèvres, 75015, Paris, France
| | - Houman Mahallati
- Department of Radiology, University of Calgary, Calgary, AB, Canada
| | - Yves Ville
- Obstetrics and Gynecology Department, Assistance Publique - Hôpitaux de Paris, Hôpital Necker - Enfants Malades, 149 Rue de Sèvres, 75015, Paris, France; EA FETUS 7328 and LUMIERE Unit, Université de Paris, France
| | - Nathalie Siauve
- Radiology Department, Assistance Publique - Hôpitaux de Paris, Hôpital Louis Mourier, 178 Rue des Renouillers, 92700, Colombes, France; INSERM, U970, Paris Cardiovascular Research Center - PARCC, Paris, France
| | - Laurent J Salomon
- Obstetrics and Gynecology Department, Assistance Publique - Hôpitaux de Paris, Hôpital Necker - Enfants Malades, 149 Rue de Sèvres, 75015, Paris, France; EA FETUS 7328 and LUMIERE Unit, Université de Paris, France.
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Borna S, Khanjany S, Hantoushzade S, Khazardoost S, Mirzaeian S, Ariana S, Hashemnezhad M. Evaluation of cardiac sphericity index among intrauterine growth restriction and normal fetuses. J OBSTET GYNAECOL 2021; 42:614-619. [PMID: 34472415 DOI: 10.1080/01443615.2021.1945005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Foetal growth restriction (FGR) describes the pregnancy complications of pathological reduced foetal growth, leading to significant perinatal mortality and morbidity, and subsequent long-term cardiovascular outcomes. This prospective case-control study was performed on pregnant women referred to the hospitals of Tehran University of Medical Sciences in 2017-2019. All pregnant women underwent ultrasound scan and doppler sonography. FGR was defined as a sonographic estimation of foetal weight below the tenth percentile for a given gestational age. Cardiac sphericity index, including basal-apical length (BAL), transverse length (TL), global sphericity index (GSI), umbilical artery pulsatility index (PI), middle cerebral artery (MCA) PI and cerebroplacental ratio (CPR) were assessed. Mean gestational age in FGR and control groups were 233.90 ± 22.00 days and 229.00 ± 25.02 days, respectively. Foetal size index and estimated foetal weight in FGR foetuses were significantly lower than the control group (p < .05). BAL, TL and GSI were significantly affected by FGR (p = .0001, p = .018 and p = .0001, respectively). Abnormal GSI, MCA PI, umbilical artery PI and CPR were significantly more prevalent among FGR foetuses (p = .017, p = .0001, p = .0001 and p = .0001, respectively). Cardiac sphericity index, as well as uterine PI, MCA PI and CPR, were the determinants of FGR in foetuses with normal Doppler and abnormal GSI.IMPACT STATEMENTWhat is already known on this subject? Foetal growth restriction (FGR) describes the foetus that does not grow to its expected biological potential in utero, and is a relatively common complication of pregnancy. FGR is accosted with negative birth outcomes and long-term cardiovascular outcomes. One of the indicators of FGR is cardiac sphericity.What do the results of this study add? The findings of this study revealed that the cardiac sphericity index as well as umbilical PI, MCA PI and CPR ratio change in FGR foetuses.What are the implications of these findings for clinical practice and/or further research? It is recommended that more studies be performed to follow FGR foetuses longitudinally and evaluate the long-term cardiac abnormalities in infancy and childhood and compare it between FGR foetuses and normal foetuses.
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Affiliation(s)
- Sedigheh Borna
- Department of Obstetrics and Gynecology, Maternal, Fetal and Neonatal Research Center, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Somayeh Khanjany
- Department of Obstetrics and Gynecology, Faculty of Medicine, Isfahan University of Medical Sciences, Tehran, Iran
| | - Sedigheh Hantoushzade
- Department of Obstetrics and Gynecology, Maternal, Fetal and Neonatal Research Center, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Soghra Khazardoost
- Department of Obstetrics and Gynecology, Maternal, Fetal and Neonatal Research Center, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Sara Mirzaeian
- Department of Obstetrics and Gynecology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Shideh Ariana
- Department of Obstetrics and Gynecology, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Maryam Hashemnezhad
- Department of Obstetrics and Gynecology, Faculty of Medicine, Alborz University of Medical Sciences, Tehran, Iran
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Disruption of O-Linked N-Acetylglucosamine Signaling in Placenta Induces Insulin Sensitivity in Female Offspring. Int J Mol Sci 2021; 22:ijms22136918. [PMID: 34203166 PMCID: PMC8267851 DOI: 10.3390/ijms22136918] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 06/19/2021] [Accepted: 06/20/2021] [Indexed: 12/15/2022] Open
Abstract
Placental dysfunction can lead to fetal growth restriction which is associated with perinatal morbidity and mortality. Fetal growth restriction increases the risk of obesity and diabetes later in life. Placental O-GlcNAc transferase (OGT) has been identified as a marker and a mediator of placental insufficiency in the setting of prenatal stress, however, its role in the fetal programming of metabolism and glucose homeostasis remains unknown. We aim to determine the long-term metabolic outcomes of offspring with a reduction in placental OGT. Mice with a partial reduction and a full knockout of placenta-specific OGT were generated utilizing the Cre-Lox system. Glucose homeostasis and metabolic parameters were assessed on a normal chow and a high-fat diet in both male and female adult offspring. A reduction in placental OGT did not demonstrate differences in the metabolic parameters or glucose homeostasis compared to the controls on a standard chow. The high-fat diet provided a metabolic challenge that revealed a decrease in body weight gain (p = 0.02) and an improved insulin tolerance (p = 0.03) for offspring with a partially reduced placental OGT but not when OGT was fully knocked out. Changes in body weight were not associated with changes in energy homeostasis. Offspring with a partial reduction in placental OGT demonstrated increased hepatic Akt phosphorylation in response to insulin treatment (p = 0.02). A partial reduction in placental OGT was protective from weight gain and insulin intolerance when faced with the metabolic challenge of a high-fat diet. This appears to be, in part, due to increased hepatic insulin signaling. The findings of this study contribute to the greater understanding of fetal metabolic programming and the effect of placental OGT on peripheral insulin sensitivity and provides a target for future investigation and clinical applications.
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Maurice C, Dalvai M, Lambrot R, Deschênes A, Scott-Boyer MP, McGraw S, Chan D, Côté N, Ziv-Gal A, Flaws JA, Droit A, Trasler J, Kimmins S, Bailey JL. Early-Life Exposure to Environmental Contaminants Perturbs the Sperm Epigenome and Induces Negative Pregnancy Outcomes for Three Generations via the Paternal Lineage. EPIGENOMES 2021; 5:epigenomes5020010. [PMID: 34968297 PMCID: PMC8594730 DOI: 10.3390/epigenomes5020010] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Accepted: 04/27/2021] [Indexed: 12/13/2022] Open
Abstract
Due to the grasshopper effect, the Arctic food chain in Canada is contaminated with persistent organic pollutants (POPs) of industrial origin, including polychlorinated biphenyls and organochlorine pesticides. Exposure to POPs may be a contributor to the greater incidence of poor fetal growth, placental abnormalities, stillbirths, congenital defects and shortened lifespan in the Inuit population compared to non-Aboriginal Canadians. Although maternal exposure to POPs is well established to harm pregnancy outcomes, paternal transmission of the effects of POPs is a possibility that has not been well investigated. We used a rat model to test the hypothesis that exposure to POPs during gestation and suckling leads to developmental defects that are transmitted to subsequent generations via the male lineage. Indeed, developmental exposure to an environmentally relevant Arctic POPs mixture impaired sperm quality and pregnancy outcomes across two subsequent, unexposed generations and altered sperm DNA methylation, some of which are also observed for two additional generations. Genes corresponding to the altered sperm methylome correspond to health problems encountered in the Inuit population. These findings demonstrate that the paternal methylome is sensitive to the environment and that some perturbations persist for at least two subsequent generations. In conclusion, although many factors influence health, paternal exposure to contaminants plays a heretofore-underappreciated role with sperm DNA methylation contributing to the molecular underpinnings involved.
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Affiliation(s)
- Clotilde Maurice
- Research Centre on Reproduction and Intergenerational Health, Department of Animal Sciences, Université Laval, Quebec City, QC G1V 0A6, Canada; (C.M.); (M.D.)
| | - Mathieu Dalvai
- Research Centre on Reproduction and Intergenerational Health, Department of Animal Sciences, Université Laval, Quebec City, QC G1V 0A6, Canada; (C.M.); (M.D.)
| | - Romain Lambrot
- Department of Animal Sciences, McGill University, Ste. Anne de Bellevue, Quebec, QC H9X 3V9, Canada; (R.L.); (S.K.)
- Department of Pharmacology and Therapeutics, McGill University, Montreal, QC H3G 1Y6, Canada
| | - Astrid Deschênes
- Department of Molecular Medicine, Research Center of CHU of Quebec City, Université Laval, Quebec City, QC G1V 4G, Canada; (A.D.); (M.-P.S.-B.); (A.D.)
| | - Marie-Pier Scott-Boyer
- Department of Molecular Medicine, Research Center of CHU of Quebec City, Université Laval, Quebec City, QC G1V 4G, Canada; (A.D.); (M.-P.S.-B.); (A.D.)
| | - Serge McGraw
- Research Center of CHU Sainte-Justine, Department of Biochemistry and Molecular Medicine, Université de Montral, Montreal, QC H3T 1C5, Canada;
| | - Donovan Chan
- Research Institute of the McGill University Health Centre, Montreal, QC H3Z 2Z3, Canada; (D.C.); (J.T.)
- Departments of Pediatrics, Human Genetics and Pharmacology & Therapeutics, McGill University, Montreal, QC H3Z 2Z3, Canada
| | - Nancy Côté
- Institut Universitaire de Cardiologie et de Pneumologie de Québec, Université Laval, Quebec City, QC G1V 4G5, Canada;
| | - Ayelet Ziv-Gal
- Department of Comparative Biosciences, University of Illinois, Urbana-Champaign, IL 61802, USA; (A.Z.-G.); (J.A.F.)
| | - Jodi A. Flaws
- Department of Comparative Biosciences, University of Illinois, Urbana-Champaign, IL 61802, USA; (A.Z.-G.); (J.A.F.)
| | - Arnaud Droit
- Department of Molecular Medicine, Research Center of CHU of Quebec City, Université Laval, Quebec City, QC G1V 4G, Canada; (A.D.); (M.-P.S.-B.); (A.D.)
| | - Jacquetta Trasler
- Research Institute of the McGill University Health Centre, Montreal, QC H3Z 2Z3, Canada; (D.C.); (J.T.)
- Departments of Pediatrics, Human Genetics and Pharmacology & Therapeutics, McGill University, Montreal, QC H3Z 2Z3, Canada
| | - Sarah Kimmins
- Department of Animal Sciences, McGill University, Ste. Anne de Bellevue, Quebec, QC H9X 3V9, Canada; (R.L.); (S.K.)
- Department of Pharmacology and Therapeutics, McGill University, Montreal, QC H3G 1Y6, Canada
| | - Janice L. Bailey
- Research Centre on Reproduction and Intergenerational Health, Department of Animal Sciences, Université Laval, Quebec City, QC G1V 0A6, Canada; (C.M.); (M.D.)
- Correspondence: ; Tel.: +1-418-643-3230
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Wilson RL, Stephens KK, Lampe K, Jones HN. Sexual dimorphisms in brain gene expression in the growth-restricted guinea pig can be modulated with intra-placental therapy. Pediatr Res 2021; 89:1673-1680. [PMID: 33531677 PMCID: PMC8254736 DOI: 10.1038/s41390-021-01362-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 11/20/2020] [Accepted: 12/18/2020] [Indexed: 11/08/2022]
Abstract
BACKGROUND Fetal responses to adverse pregnancy environments are sex-specific. In fetal guinea pigs (GPs), we assessed morphology and messenger RNA (mRNA) expression in fetal growth-restricted (FGR) tissues at midpregnancy. METHODS Female GPs were assigned either an ad libitum diet (C) or 30% restricted diet (R) prior to pregnancy to midpregnancy. At midpregnancy, a subset of R females underwent ultrasound-guided nanoparticle (NP) injection to enhance placental function. Five days later, fetuses were sampled. Fetal brain, heart, and liver were assessed for morphology (hematoxylin and eosin), proliferation (Ki67), and vascularization (CD31), as well as expression of inflammatory markers. RESULTS R fetuses were 19% lighter with reduced organ weights and evidence of brain sparing compared to controls. No increased necrosis, proliferation, or vascularization was found between C and R nor male or female fetal organs. Sexual dimorphism in mRNA expression of Tgfβ and Ctgf was observed in R but not C fetal brains: increased expression in females. NP treatment increased fetal brain mRNA expression of Tgfβ and Ctgf in R males, abolishing the significant difference observed in untreated R fetuses. CONCLUSIONS Sex-specific differences in mRNA expression in the fetal brain with FGR could impart a potential survival bias and may be useful for the development of treatments for obstetric diseases. IMPACT Male and female fetuses respond differently to adverse pregnancy environments. Under fetal growth restriction conditions, inflammatory marker mRNA expression in the fetal brain was higher in females compared to males. Differences in gene expression between males and females may confer a selective advantage/disadvantage under adverse conditions. Better characterization of sexual dimorphism in fetal development will aid better development of treatments for obstetric diseases.
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Affiliation(s)
- Rebecca L Wilson
- Department of Physiology and Functional Genomics, College of Medicine, University of Florida, Gainesville, FL, 32610, USA.
| | - Kendal K Stephens
- Center for Fetal and Placental Research, Cincinnati Children's Hospital and Medical Center, Cincinnati, OH, 45229, USA
- Department of Obstetrics and Gynaecology, University of Cincinnati, Cincinnati, OH, 45267, USA
| | - Kristin Lampe
- Center for Fetal and Placental Research, Cincinnati Children's Hospital and Medical Center, Cincinnati, OH, 45229, USA
| | - Helen N Jones
- Department of Physiology and Functional Genomics, College of Medicine, University of Florida, Gainesville, FL, 32610, USA
- Department of Obstetrics and Gynaecology, College of Medicine, University of Florida, Gainesville, FL, 32610, USA
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26
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Pla L, Illa M, Loreiro C, Lopez MC, Vázquez-Aristizabal P, Kühne BA, Barenys M, Eixarch E, Gratacós E. Structural Brain Changes during the Neonatal Period in a Rabbit Model of Intrauterine Growth Restriction. Dev Neurosci 2021; 42:217-229. [PMID: 33677448 DOI: 10.1159/000512948] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Accepted: 11/10/2020] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Intrauterine growth restriction (IUGR) is associated with abnormal neurodevelopment, but the associated structural brain changes are poorly documented. The aim of this study was to describe in an animal model the brain changes at the cellular level in the gray and white matter induced by IUGR during the neonatal period. METHODS The IUGR model was surgically induced in pregnant rabbits by ligating 40-50% of the uteroplacental vessels in 1 horn, whereas the uteroplacental vessels of the contralateral horn were not ligated. After 5 days, IUGR animals from the ligated horn and controls from the nonligated were delivered. On the day of delivery, perinatal data and placentas were collected. On postnatal day 1, functional changes were first evaluated, and thereafter, neuronal arborization in the frontal cortex and density of pre-oligodendrocytes, astrocytes, and microglia in the corpus callosum were evaluated. RESULTS Higher stillbirth in IUGR fetuses together with a reduced birth weight as compared to controls was evidenced. IUGR animals showed poorer functional results, an altered neuronal arborization pattern, and a decrease in the pre-oligodendrocytes, with no differences in microglia and astrocyte densities. CONCLUSIONS Overall, in the rabbit model used, IUGR is related to functional and brain changes evidenced already at birth, including changes in the neuronal arborization and abnormal oligodendrocyte maturation.
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Affiliation(s)
- Laura Pla
- BCNatal
- Fetal Medicine Research Center (Hospital Clínic and Hospital Sant Joan de Déu), Universitat de Barcelona, Barcelona, Spain
| | - Miriam Illa
- BCNatal
- Fetal Medicine Research Center (Hospital Clínic and Hospital Sant Joan de Déu), Universitat de Barcelona, Barcelona, Spain, .,Institut de Recerca Sant Joan de Déu, Esplugues de Llobregat, Spain,
| | - Carla Loreiro
- BCNatal
- Fetal Medicine Research Center (Hospital Clínic and Hospital Sant Joan de Déu), Universitat de Barcelona, Barcelona, Spain.,Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Mari Carmen Lopez
- BCNatal
- Fetal Medicine Research Center (Hospital Clínic and Hospital Sant Joan de Déu), Universitat de Barcelona, Barcelona, Spain
| | - Paula Vázquez-Aristizabal
- BCNatal
- Fetal Medicine Research Center (Hospital Clínic and Hospital Sant Joan de Déu), Universitat de Barcelona, Barcelona, Spain
| | - Britta Anna Kühne
- BCNatal
- Fetal Medicine Research Center (Hospital Clínic and Hospital Sant Joan de Déu), Universitat de Barcelona, Barcelona, Spain.,GRET, INSA-UB and Toxicology Unit, Pharmacology, Toxicology and Therapeutical Chemistry Department, Faculty of Pharmacy, University of Barcelona, Barcelona, Spain
| | - Marta Barenys
- GRET, INSA-UB and Toxicology Unit, Pharmacology, Toxicology and Therapeutical Chemistry Department, Faculty of Pharmacy, University of Barcelona, Barcelona, Spain
| | - Elisenda Eixarch
- BCNatal
- Fetal Medicine Research Center (Hospital Clínic and Hospital Sant Joan de Déu), Universitat de Barcelona, Barcelona, Spain.,Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.,Center for Biomedical Research on Rare Diseases (CIBER-ER), Barcelona, Spain
| | - Eduard Gratacós
- BCNatal
- Fetal Medicine Research Center (Hospital Clínic and Hospital Sant Joan de Déu), Universitat de Barcelona, Barcelona, Spain.,Institut de Recerca Sant Joan de Déu, Esplugues de Llobregat, Spain.,Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.,Center for Biomedical Research on Rare Diseases (CIBER-ER), Barcelona, Spain
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27
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Ali A, Hadlich F, Abbas MW, Iqbal MA, Tesfaye D, Bouma GJ, Winger QA, Ponsuksili S. MicroRNA-mRNA Networks in Pregnancy Complications: A Comprehensive Downstream Analysis of Potential Biomarkers. Int J Mol Sci 2021; 22:2313. [PMID: 33669156 PMCID: PMC7956714 DOI: 10.3390/ijms22052313] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 02/22/2021] [Accepted: 02/23/2021] [Indexed: 02/07/2023] Open
Abstract
Pregnancy complications are a major cause of fetal and maternal morbidity and mortality in humans. The majority of pregnancy complications initiate due to abnormal placental development and function. During the last decade, the role of microRNAs (miRNAs) in regulating placental and fetal development has become evident. Dysregulation of miRNAs in the placenta not only affects placental development and function, but these miRNAs can also be exported to both maternal and fetal compartments and affect maternal physiology and fetal growth and development. Due to their differential expression in the placenta and maternal circulation during pregnancy complications, miRNAs can be used as diagnostic biomarkers. However, the differential expression of a miRNA in the placenta may not always be reflected in maternal circulation, which makes it difficult to find a reliable biomarker for placental dysfunction. In this review, we provide an overview of differentially expressed miRNAs in the placenta and/or maternal circulation during preeclampsia (PE) and intrauterine growth restriction (IUGR), which can potentially serve as biomarkers for prediction or diagnosis of pregnancy complications. Using different bioinformatics tools, we also identified potential target genes of miRNAs associated with PE and IUGR, and the role of miRNA-mRNA networks in the regulation of important signaling pathways and biological processes.
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Affiliation(s)
- Asghar Ali
- Leibniz Institute for Farm Animal Biology, Institute of Genome Biology, 18196 Dummerstorf, Germany
- Animal Reproduction and Biomedical Laboratory, Department of Biomedical Sciences, Colorado State University, Fort Collins, CO 80523, USA
| | - Frieder Hadlich
- Leibniz Institute for Farm Animal Biology, Institute of Genome Biology, 18196 Dummerstorf, Germany
| | - Muhammad W Abbas
- Department of Bioinformatics and Biotechnology, Government College University, Faisalabad 38000, Pakistan
| | - Muhammad A Iqbal
- Leibniz Institute for Farm Animal Biology, Institute of Genome Biology, 18196 Dummerstorf, Germany
| | - Dawit Tesfaye
- Animal Reproduction and Biomedical Laboratory, Department of Biomedical Sciences, Colorado State University, Fort Collins, CO 80523, USA
| | - Gerrit J Bouma
- Animal Reproduction and Biomedical Laboratory, Department of Biomedical Sciences, Colorado State University, Fort Collins, CO 80523, USA
| | - Quinton A Winger
- Animal Reproduction and Biomedical Laboratory, Department of Biomedical Sciences, Colorado State University, Fort Collins, CO 80523, USA
| | - Siriluck Ponsuksili
- Leibniz Institute for Farm Animal Biology, Institute of Genome Biology, 18196 Dummerstorf, Germany
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28
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Wiertsema CJ, Mensink-Bout SM, Duijts L, Mulders AGMGJ, Jaddoe VWV, Gaillard R. Associations of DASH Diet in Pregnancy With Blood Pressure Patterns, Placental Hemodynamics, and Gestational Hypertensive Disorders. J Am Heart Assoc 2020; 10:e017503. [PMID: 33356384 PMCID: PMC7955484 DOI: 10.1161/jaha.120.017503] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Background The Dietary Approaches to Stop Hypertension (DASH) diet improves blood pressure in nonpregnant populations. We hypothesized that adherence to the DASH diet during pregnancy improves hemodynamic adaptations, leading to a lower risk of gestational hypertensive disorders. Methods and Results We examined whether the DASH diet score was associated with blood pressure, placental hemodynamics, and gestational hypertensive disorders in a population-based cohort study among 3414 Dutch women. We assessed DASH score using food-frequency questionnaires. We measured blood pressure in early-, mid-, and late pregnancy (medians, 95% range: 12.9 [9.8-17.9], 20.4 [16.6-23.2], 30.2 [28.6-32.6] weeks gestation, respectively), and placental hemodynamics in mid- and late pregnancy (medians, 95% range: 20.5 [18.7-23.1], 30.4 [28.5-32.8] weeks gestation, respectively). Information on gestational hypertensive disorders was obtained from medical records. Lower DASH score quartiles were associated with a higher mid pregnancy diastolic blood pressure, compared with the highest quartile (P<0.05). No associations were present for early- and late pregnancy diastolic blood pressure and systolic blood pressure throughout pregnancy. Compared with the highest DASH score quartile, the lower DASH score quartiles were associated with a higher mid- and late pregnancy umbilical artery pulsatility index (P≤0.05) but not with uterine artery resistance index. No associations with gestational hypertensive disorders were present. Conclusions A higher DASH diet score is associated with lower mid pregnancy diastolic blood pressure and mid- and late pregnancy fetoplacental vascular function but not with uteroplacental vascular function or gestational hypertensive disorders within a low-risk population. Further studies need to assess whether the effects of the DASH diet on gestational hemodynamic adaptations are more pronounced among higher-risk populations.
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Affiliation(s)
- Clarissa J Wiertsema
- The Generation R Study Group Erasmus MC, University Medical Center Rotterdam the Netherlands.,Department of Pediatrics Erasmus MC, University Medical Center Rotterdam the Netherlands
| | - Sara M Mensink-Bout
- The Generation R Study Group Erasmus MC, University Medical Center Rotterdam the Netherlands.,Division of Respiratory Medicine and Allergology Department of Pediatrics Erasmus MC, University Medical Center Rotterdam The Netherlands
| | - Liesbeth Duijts
- Department of Pediatrics Erasmus MC, University Medical Center Rotterdam the Netherlands.,Division of Respiratory Medicine and Allergology Department of Pediatrics Erasmus MC, University Medical Center Rotterdam The Netherlands
| | - Annemarie G M G J Mulders
- Departments of Obstetrics and Gynaecology Erasmus MC, University Medical Center Rotterdam the Netherlands
| | - Vincent W V Jaddoe
- The Generation R Study Group Erasmus MC, University Medical Center Rotterdam the Netherlands.,Department of Pediatrics Erasmus MC, University Medical Center Rotterdam the Netherlands
| | - Romy Gaillard
- The Generation R Study Group Erasmus MC, University Medical Center Rotterdam the Netherlands.,Department of Pediatrics Erasmus MC, University Medical Center Rotterdam the Netherlands
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29
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Anderson KB, Andersen AS, Hansen DN, Sinding M, Peters DA, Frøkjaer JB, Sørensen A. Placental transverse relaxation time (T2) estimated by MRI: Normal values and the correlation with birthweight. Acta Obstet Gynecol Scand 2020; 100:934-940. [PMID: 33258106 DOI: 10.1111/aogs.14057] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 11/20/2020] [Accepted: 11/24/2020] [Indexed: 02/05/2023]
Abstract
INTRODUCTION Placental transverse relaxation time (T2) assessed by MRI may have the potential to improve the antenatal identification of small for gestational age. The aims of this study were to provide normal values of placental T2 in relation to gestational age at the time of MRI and to explore the correlation between placental T2 and birthweight. MATERIAL AND METHODS A mixed cohort of 112 singleton pregnancies was retrieved from our placental MRI research database. MRI was performed at 23.6-41.3 weeks of gestation in a 1.5T system (TE (8): 50-440 ms, TR: 4000 ms). Normal pregnancies were defined by uncomplicated pregnancies with normal obstetric outcome and birthweight deviation within ±1 SD of the expected for gestational age. The correlation between placental T2 and birthweight was investigated using the following outcomes; small for gestational age (birthweight ≤-2 SD of the expected for gestational age) and birthweight deviation (birthweight Z-scores). RESULTS In normal pregnancies (n = 27), placenta T2 showed a significant negative linear correlation with gestational age (r = -.91, P = .0001) being 184 ms ± 15.94 ms (mean ± SD) at 20 weeks of gestation and 89 ms ± 15.94 ms at 40 weeks of gestation. Placental T2 was significantly reduced among small-for-gestational-age pregnancies (mean Z-score -1.95, P < .001). Moreover, we found a significant positive correlation between placenta T2 deviation (Z-score) and birthweight deviation (Z-score) (R2 = .26, P = .0001). CONCLUSIONS This study provides normal values of placental T2 to be used in future studies on placental MRI. Placental T2 is closely related to birthweight and may improve the antenatal identification of small-for-gestational-age pregnancies.
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Affiliation(s)
- Kristi B Anderson
- Department of Pathology, Aalborg University Hospital, Aalborg, Denmark
| | - Anna S Andersen
- Department of Obstetrics and Gynecology, Aalborg University Hospital, Aalborg, Denmark
| | - Ditte N Hansen
- Department of Obstetrics and Gynecology, Aalborg University Hospital, Aalborg, Denmark.,Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - Marianne Sinding
- Department of Obstetrics and Gynecology, Aalborg University Hospital, Aalborg, Denmark.,Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - David A Peters
- Department of Clinical Engineering, Central Denmark Region, Aarhus, Denmark
| | - Jens B Frøkjaer
- Department of Clinical Medicine, Aalborg University, Aalborg, Denmark.,Department of Radiology, Aalborg University Hospital, Aalborg, Denmark
| | - Anne Sørensen
- Department of Obstetrics and Gynecology, Aalborg University Hospital, Aalborg, Denmark.,Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
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30
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Kooijman MN, Jaddoe VWV, Steegers EAP, Gaillard R. Associations of maternal metabolic profile with placental and fetal cerebral and cardiac hemodynamics. Eur J Obstet Gynecol Reprod Biol 2020; 257:51-58. [PMID: 33360239 DOI: 10.1016/j.ejogrb.2020.12.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 11/12/2020] [Accepted: 12/05/2020] [Indexed: 10/22/2022]
Abstract
OBJECTIVE Maternal obesity and metabolic health affect pregnancy outcomes. We examined whether maternal metabolic profiles are associated with placental and fetal hemodynamics. STUDY DESIGN In a population-based prospective cohort study among 1175 women we examined the associations of an adverse maternal metabolic profile in early pregnancy with placental, fetal cerebral and cardiac hemodynamic development. We obtained maternal pre-pregnancy BMI by questionnaire and measured blood pressure, cholesterol, triglycerides and glucose concentrations at a median gestational age of 12.6 (95 % range 9.6-17.1) weeks. An adverse maternal metabolic profile was defined as ≥4 risk factors. Placental and fetal hemodynamics were measured by pulsed-wave-Doppler at a median gestational age of 30.3 (95 % range 28.8-32.3) weeks. RESULTS An adverse maternal metabolic profile was associated with a 0.29 Z-score higher (95 %CI 0.08-0.50) fetal cerebral middle artery pulsatility index (PI), but not with placental or fetal cardiac hemodynamic patterns. When the individual components of an adverse maternal metabolic profile were assessed, we observed that higher maternal total cholesterol and triglyceride concentrations were associated with a higher cerebral middle artery PI (Z-score, 0.09 (95 %CI 0.02-0.15), 0.09 (95 %CI 0.03-0.15) per Z-score increase). Higher total and HDL maternal cholesterol concentrations were also associated with a higher aorta ascendens peak systolic velocity (PSV) Z-score, 0.08 (95 %CI 0.01-0.14)), and a larger left cardiac output (Z-score, 0.08 (95 %CI 0.00-0.15), respectively). CONCLUSION An adverse maternal metabolic profile, especially higher cholesterol and triglycerides concentrations, are associated with increased fetal cerebral vascular resistance and larger fetal aorta ascendens diameter, PSV and left cardiac output, but not with placental vascular resistance indices. Further studies are needed to identify long-term consequences of the observed associations.
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Affiliation(s)
- Marjolein N Kooijman
- The Generation R Study Group, the Netherlands; Department of Pediatrics, the Netherlands
| | - Vincent W V Jaddoe
- The Generation R Study Group, the Netherlands; Department of Pediatrics, the Netherlands
| | - Eric A P Steegers
- Department of Obstetrics and Gynecology, Erasmus MC, University Medical Center, Rotterdam, the Netherlands
| | - Romy Gaillard
- The Generation R Study Group, the Netherlands; Department of Pediatrics, the Netherlands.
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31
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Zun Z, Kapse K, Quistorff J, Andescavage N, Gimovsky AC, Ahmadzia H, Limperopoulos C. Feasibility of QSM in the human placenta. Magn Reson Med 2020; 85:1272-1281. [PMID: 32936489 DOI: 10.1002/mrm.28502] [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: 02/12/2020] [Revised: 08/05/2020] [Accepted: 08/07/2020] [Indexed: 12/28/2022]
Abstract
PURPOSE Quantitative susceptibility mapping (QSM) is an emerging tool for the precise characterization of human tissue, including regional oxygenation. A critical function of the human placenta is oxygen transfer to the developing fetus, which remains difficult to study in utero. The purpose of this study is to investigate the feasibility of performing QSM in the human placenta in utero. METHODS In healthy pregnant women, 3D gradient echo data of the placenta were acquired with prospective respiratory gating at 1.5 Tesla and 3 Tesla. A brief period (6-7 min) of maternal hyperoxia was induced to increase placental oxygenation in a subset of women scanned at 3 Tesla, and data were acquired before and during oxygen administration. Susceptibility and T 2 ∗ / R 2 ∗ maps were reconstructed from gradient echo data, and mean and SD of these measures within the whole placenta were calculated. RESULTS A total of 54 women were studied at a mean gestational age of 30.7 ± 4.2 (range: 24 5/7-38 4/7) weeks. Susceptibility and T 2 ∗ maps demonstrated lobular contrast reflecting regional oxygenation difference at both field strengths. SD of susceptibilities, mean R 2 ∗ , and SD of R 2 ∗ of the placenta showed a linear relationship with gestational age (P < .01 for all). These measures were also responsive to maternal hyperoxia, and there was an increasing response with advancing gestational age (P < .01 for all). CONCLUSION This study demonstrates the feasibility of performing placental QSM in pregnant women and supports the potential for placental QSM to provide noninvasive in vivo assessment of placental oxygenation.
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Affiliation(s)
- Zungho Zun
- Developing Brain Institute, Division of Diagnostic Imaging and Radiology, Children's National Hospital, Washington, DC, USA.,Division of Fetal and Transitional Medicine, Children's National Hospital, Washington, DC, USA.,Department of Pediatrics, School of Medicine and Health Sciences, George Washington University, Washington, DC, USA.,Department of Radiology, School of Medicine and Health Sciences, George Washington University, Washington, DC, USA
| | - Kushal Kapse
- Developing Brain Institute, Division of Diagnostic Imaging and Radiology, Children's National Hospital, Washington, DC, USA
| | - Jessica Quistorff
- Developing Brain Institute, Division of Diagnostic Imaging and Radiology, Children's National Hospital, Washington, DC, USA
| | - Nickie Andescavage
- Department of Pediatrics, School of Medicine and Health Sciences, George Washington University, Washington, DC, USA.,Division of Neonatology, Children's National Hospital, Washington, DC, USA
| | - Alexis C Gimovsky
- Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, School of Medicine and Health Sciences, George Washington University, Washington, DC, USA
| | - Homa Ahmadzia
- Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, School of Medicine and Health Sciences, George Washington University, Washington, DC, USA
| | - Catherine Limperopoulos
- Developing Brain Institute, Division of Diagnostic Imaging and Radiology, Children's National Hospital, Washington, DC, USA.,Division of Fetal and Transitional Medicine, Children's National Hospital, Washington, DC, USA.,Department of Pediatrics, School of Medicine and Health Sciences, George Washington University, Washington, DC, USA.,Department of Radiology, School of Medicine and Health Sciences, George Washington University, Washington, DC, USA
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32
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Arumugasaamy N, Rock KD, Kuo CY, Bale TL, Fisher JP. Microphysiological systems of the placental barrier. Adv Drug Deliv Rev 2020; 161-162:161-175. [PMID: 32858104 DOI: 10.1016/j.addr.2020.08.010] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 07/28/2020] [Accepted: 08/24/2020] [Indexed: 12/20/2022]
Abstract
Methods to evaluate maternal-fetal transport across the placental barrier have generally involved clinical observations after-the-fact, ex vivo perfused placenta studies, or in vitro Transwell assays. Given the ethical and technical limitations in these approaches, and the drive to understand fetal development through the lens of transport-induced injury, such as with the examples of thalidomide and Zika Virus, efforts to develop novel approaches to study these phenomena have expanded in recent years. Notably, within the past 10 years, placental barrier models have been developed using hydrogel, bioreactor, organ-on-a-chip, and bioprinting approaches. In this review, we discuss the biology of the placental barrier and endeavors to recapitulate this barrier in vitro using these approaches. We also provide analysis of current limitations to drug discovery in this context, and end with a future outlook.
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33
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van Oostrum NHM, van der Woude DAA, Clur SAB, Oei SG, van Laar JOEH. Right ventricular dysfunction identified by abnormal strain values precedes evident growth restriction in small for gestational age fetuses. Prenat Diagn 2020; 40:1525-1531. [PMID: 32735353 DOI: 10.1002/pd.5805] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Revised: 07/27/2020] [Accepted: 07/28/2020] [Indexed: 12/27/2022]
Abstract
OBJECTIVES Small for gestational age (SGA) fetuses have an increased risk for adverse outcome. Placental insufficiency leads to changes in the circulation, with secondary adaptation of the fetal heart resulting in changed cardiac deformation. This deformation can be measured with 2D speckle tracking echocardiography (2D-STE). SGA is antenatally often undiagnosed. The measurement of deformation changes in the fetal heart might help in the prediction of SGA and identify fetuses in need of more intensive surveillance. METHODS In this longitudinal prospective cohort study, global longitudinal strain (GLS) and strain rate (GLSR), measured before 23 weeks gestational age were compared between SGA and appropriate for gestational age (AGA) fetuses, based on birthweight corrected for gestational age at birth. RESULTS The fetal heart rate was significantly increased in SGA; 158 beats per minute (146-163) vs 148 (134-156); P = 0.035 in AGA. Right ventricle GLS (RV-GLS) values were significantly increased in SGA; -15.87% (-11.69% to -20.55%) vs -20.24% (-16.29% to -24.28%); p = 0.024, respectively. CONCLUSION RV-GLS values, measured with 2D-STE, were significantly increased in SGA, indicating systolic RV dysfunction before 23 weeks gestational age in fetuses who will become SGA later in pregnancy. A large longitudinal prospective cohort study is needed to confirm these findings.
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Affiliation(s)
- Noortje H M van Oostrum
- Department of Gynaecology and Obstetrics, Máxima Medical Centre, Veldhoven, The Netherlands.,Department of Fundamental Perinatology, Eindhoven MedTech Innovation Center (e/MTIC), Eindhoven, The Netherlands.,Department of Electrical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands
| | - Daisy A A van der Woude
- Department of Gynaecology and Obstetrics, Máxima Medical Centre, Veldhoven, The Netherlands.,Department of Fundamental Perinatology, Eindhoven MedTech Innovation Center (e/MTIC), Eindhoven, The Netherlands
| | - Sally-Ann B Clur
- Department of Paediatric Cardiology, Emma Children's Hospital, Amsterdam University Medical Centers, Amsterdam, The Netherlands
| | - S Guid Oei
- Department of Gynaecology and Obstetrics, Máxima Medical Centre, Veldhoven, The Netherlands.,Department of Fundamental Perinatology, Eindhoven MedTech Innovation Center (e/MTIC), Eindhoven, The Netherlands.,Department of Electrical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands
| | - Judith O E H van Laar
- Department of Gynaecology and Obstetrics, Máxima Medical Centre, Veldhoven, The Netherlands.,Department of Fundamental Perinatology, Eindhoven MedTech Innovation Center (e/MTIC), Eindhoven, The Netherlands.,Department of Electrical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands
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Medina-Bastidas D, Guzmán-Huerta M, Borboa-Olivares H, Ruiz-Cruz C, Parra-Hernández S, Flores-Pliego A, Salido-Guadarrama I, Camargo-Marín L, Arambula-Meraz E, Estrada-Gutierrez G. Placental Microarray Profiling Reveals Common mRNA and lncRNA Expression Patterns in Preeclampsia and Intrauterine Growth Restriction. Int J Mol Sci 2020; 21:ijms21103597. [PMID: 32443673 PMCID: PMC7279523 DOI: 10.3390/ijms21103597] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 05/10/2020] [Accepted: 05/11/2020] [Indexed: 12/15/2022] Open
Abstract
Preeclampsia (PE) and Intrauterine Growth Restriction (IUGR) are major contributors to perinatal morbidity and mortality. These pregnancy disorders are associated with placental dysfunction and share similar pathophysiological features. The aim of this study was to compare the placental gene expression profiles including mRNA and lncRNAs from pregnant women from four study groups: PE, IUGR, PE-IUGR, and normal pregnancy (NP). Gene expression microarray analysis was performed on placental tissue obtained at delivery and results were validated using RTq-PCR. Differential gene expression analysis revealed that the largest transcript variation was observed in the IUGR samples compared to NP (n = 461; 314 mRNAs: 252 up-regulated and 62 down-regulated; 133 lncRNAs: 36 up-regulated and 98 down-regulated). We also detected a group of differentially expressed transcripts shared between the PE and IUGR samples compared to NP (n = 39), including 9 lncRNAs with a high correlation degree (p < 0.05). Functional enrichment of these shared transcripts showed that cytokine signaling pathways, protein modification, and regulation of JAK-STAT cascade are over-represented in both placental ischemic diseases. These findings contribute to the molecular characterization of placental ischemia showing common epigenetic regulation implicated in the pathophysiology of PE and IUGR.
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Affiliation(s)
- Diana Medina-Bastidas
- Unidad de Investigación en Reproducción Humana, Instituto Nacional de Perinatología-Facultad de Química, Universidad Nacional Autónoma de México, Mexico City 11000, Mexico;
| | - Mario Guzmán-Huerta
- Departamento de Medicina Traslacional, Instituto Nacional de Perinatología, Mexico City 11000, Mexico; (M.G.-H.); (L.C.-M.)
| | - Hector Borboa-Olivares
- Subdirección de Investigación en Intervenciones Comunitarias, Instituto Nacional de Perinatología, Mexico City 11000, Mexico;
| | - César Ruiz-Cruz
- Hospital de Ginecología y Obstetricia No. 4, Luis Castelazo Ayala, Instituto Mexicano del Seguro Social, Mexico City 01090, Mexico;
| | - Sandra Parra-Hernández
- Laboratorio de Inmunobioquímica, Instituto Nacional de Perinatología, Mexico City 11000, Mexico; (S.P.-H.); (A.F.-P.)
| | - Arturo Flores-Pliego
- Laboratorio de Inmunobioquímica, Instituto Nacional de Perinatología, Mexico City 11000, Mexico; (S.P.-H.); (A.F.-P.)
| | - Ivan Salido-Guadarrama
- Laboratorio de Biología Computacional, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Mexico City 14080, Mexico;
| | - Lisbeth Camargo-Marín
- Departamento de Medicina Traslacional, Instituto Nacional de Perinatología, Mexico City 11000, Mexico; (M.G.-H.); (L.C.-M.)
| | - Eliakym Arambula-Meraz
- Laboratorio de Genética y Biología Molecular, Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Sinaloa, Culiacan 80040, Mexico;
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Broere-Brown ZA, Adank MC, Benschop L, Tielemans M, Muka T, Gonçalves R, Bramer WM, Schoufour JD, Voortman T, Steegers EAP, Franco OH, Schalekamp-Timmermans S. Fetal sex and maternal pregnancy outcomes: a systematic review and meta-analysis. Biol Sex Differ 2020; 11:26. [PMID: 32393396 PMCID: PMC7216628 DOI: 10.1186/s13293-020-00299-3] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Accepted: 04/08/2020] [Indexed: 12/15/2022] Open
Abstract
Background Since the placenta also has a sex, fetal sex–specific differences in the occurrence of placenta-mediated complications could exist. Objective To determine the association of fetal sex with multiple maternal pregnancy complications. Search strategy Six electronic databases Ovid MEDLINE, EMBASE, Cochrane Central, Web-of-Science, PubMed, and Google Scholar were systematically searched to identify eligible studies. Reference lists of the included studies and contact with experts were also used for identification of studies. Selection criteria Observational studies that assessed fetal sex and the presence of maternal pregnancy complications within singleton pregnancies. Data collection and analyses Data were extracted by 2 independent reviewers using a predesigned data collection form. Main results From 6522 original references, 74 studies were selected, including over 12,5 million women. Male fetal sex was associated with term pre-eclampsia (pooled OR 1.07 [95%CI 1.06 to 1.09]) and gestational diabetes (pooled OR 1.04 [1.02 to 1.07]). All other pregnancy complications (i.e., gestational hypertension, total pre-eclampsia, eclampsia, placental abruption, and post-partum hemorrhage) tended to be associated with male fetal sex, except for preterm pre-eclampsia, which was more associated with female fetal sex. Overall quality of the included studies was good. Between-study heterogeneity was high due to differences in study population and outcome definition. Conclusion This meta-analysis suggests that the occurrence of pregnancy complications differ according to fetal sex with a higher cardiovascular and metabolic load for the mother in the presence of a male fetus. Funding None.
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Affiliation(s)
- Zoe A Broere-Brown
- Department of Obstetrics and Gynecology, Erasmus Medical Center, Rotterdam, the Netherlands.,Generation R Study Group, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Maria C Adank
- Department of Obstetrics and Gynecology, Erasmus Medical Center, Rotterdam, the Netherlands.,Generation R Study Group, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Laura Benschop
- Department of Obstetrics and Gynecology, Erasmus Medical Center, Rotterdam, the Netherlands.,Generation R Study Group, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Myrte Tielemans
- Department of Epidemiology, Erasmus Medical Center, Rotterdam, the Netherlands.,Department Microbiology and Infectious Diseases, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Taulant Muka
- Department of Epidemiology, Erasmus Medical Center, Rotterdam, the Netherlands.,Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland
| | - Romy Gonçalves
- Department of Obstetrics and Gynecology, Erasmus Medical Center, Rotterdam, the Netherlands.,Generation R Study Group, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Wichor M Bramer
- Medical Library, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Josje D Schoufour
- Department of Epidemiology, Erasmus Medical Center, Rotterdam, the Netherlands.,Hogeschool van Amsterdam (HvA), Amsterdam, the Netherlands
| | - Trudy Voortman
- Department of Epidemiology, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Eric A P Steegers
- Department of Obstetrics and Gynecology, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Oscar H Franco
- Department of Epidemiology, Erasmus Medical Center, Rotterdam, the Netherlands.,Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland
| | - Sarah Schalekamp-Timmermans
- Department of Obstetrics and Gynecology, Erasmus Medical Center, Rotterdam, the Netherlands. .,Generation R Study Group, Erasmus Medical Center, Rotterdam, the Netherlands.
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Can measurement of the foetal renal parenchymal thickness with ultrasound be used as an indirect measure of nephron number? J Dev Orig Health Dis 2020; 12:184-192. [PMID: 32290891 DOI: 10.1017/s204017442000015x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Chronic kidney disease continues to be under recognised and is associated with a significant global health burden and costs. An adverse intrauterine environment may result in a depleted nephron number and an increased risk of chronic kidney disease. Antenatal ultrasound was used to measure the foetal renal parenchymal thickness (RPT), as a novel method to estimate nephron number. Foetal renal artery blood flow was also assessed. This prospective, longitudinal study evaluated the foetal kidneys of 102 appropriately grown and 30 foetal growth-restricted foetuses between 20 and 37 weeks gestational age (GA) to provide vital knowledge on the influences foetal growth restriction has on the developing kidneys. The foetal RPT and renal artery blood flow were measured at least every 4 weeks using ultrasound. The RPT was found to be significantly thinner in growth-restricted foetuses compared to appropriately grown foetuses [likelihood ratio (LR) = 21.06, P ≤ 0.0001] and the difference increases with GA. In foetuses with the same head circumference, a growth-restricted foetus was more likely to have a thinner parenchyma than an appropriately grown foetus (LR = 8.9, P = 0.0028), supporting the principle that growth-restricted foetuses preferentially shunt blood towards the brain. No significant difference was seen in the renal arteries between appropriately grown and growth-restricted foetuses. Measurement of the RPT appears to be a more sensitive measure than current methods. It has the potential to identify infants with a possible reduced nephron endowment allowing for monitoring and interventions to be focused on individuals at a higher risk of developing future hypertension and chronic kidney disease.
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Maneas E, Aughwane R, Huynh N, Xia W, Ansari R, Kuniyil Ajith Singh M, Hutchinson JC, Sebire NJ, Arthurs OJ, Deprest J, Ourselin S, Beard PC, Melbourne A, Vercauteren T, David AL, Desjardins AE. Photoacoustic imaging of the human placental vasculature. JOURNAL OF BIOPHOTONICS 2020; 13:e201900167. [PMID: 31661594 PMCID: PMC8425327 DOI: 10.1002/jbio.201900167] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Revised: 09/02/2019] [Accepted: 10/03/2019] [Indexed: 05/06/2023]
Abstract
Minimally invasive fetal interventions require accurate imaging from inside the uterine cavity. Twin-to-twin transfusion syndrome (TTTS), a condition considered in this study, occurs from abnormal vascular anastomoses in the placenta that allow blood to flow unevenly between the fetuses. Currently, TTTS is treated fetoscopically by identifying the anastomosing vessels, and then performing laser photocoagulation. However, white light fetoscopy provides limited visibility of placental vasculature, which can lead to missed anastomoses or incomplete photocoagulation. Photoacoustic (PA) imaging is an alternative imaging method that provides contrast for hemoglobin, and in this study, two PA systems were used to visualize chorionic (fetal) superficial and subsurface vasculature in human placentas. The first system comprised an optical parametric oscillator for PA excitation and a 2D Fabry-Pérot cavity ultrasound sensor; the second, light emitting diode arrays and a 1D clinical linear-array ultrasound imaging probe. Volumetric photoacoustic images were acquired from ex vivo normal term and TTTS-treated placentas. It was shown that superficial and subsurface branching blood vessels could be visualized to depths of approximately 7 mm, and that ablated tissue yielded negative image contrast. This study demonstrated the strong potential of PA imaging to guide minimally invasive fetal therapies.
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Affiliation(s)
- Efthymios Maneas
- Wellcome/EPSRC Centre for Interventional and Surgical Sciences, University College LondonLondonUK
- Department of Medical Physics and Biomedical EngineeringUniversity College LondonLondonUK
| | - Rosalind Aughwane
- Department of Medical Physics and Biomedical EngineeringUniversity College LondonLondonUK
- Institute for Women's Health, University College LondonLondonUK
| | - Nam Huynh
- Wellcome/EPSRC Centre for Interventional and Surgical Sciences, University College LondonLondonUK
- Department of Medical Physics and Biomedical EngineeringUniversity College LondonLondonUK
| | - Wenfeng Xia
- Department of Medical Physics and Biomedical EngineeringUniversity College LondonLondonUK
- School of Biomedical Engineering and Imaging Sciences, King's College LondonLondonUK
| | - Rehman Ansari
- Wellcome/EPSRC Centre for Interventional and Surgical Sciences, University College LondonLondonUK
- Department of Medical Physics and Biomedical EngineeringUniversity College LondonLondonUK
| | | | - J. Ciaran Hutchinson
- NIHR Great Ormond Street Institute of Child Health Biomedical Research Centre, University College LondonLondonUK
- Department of HistopathologyGreat Ormond Street Hospital for Children NHS TrustLondonUK
| | - Neil J. Sebire
- NIHR Great Ormond Street Institute of Child Health Biomedical Research Centre, University College LondonLondonUK
- Department of HistopathologyGreat Ormond Street Hospital for Children NHS TrustLondonUK
| | - Owen J. Arthurs
- NIHR Great Ormond Street Institute of Child Health Biomedical Research Centre, University College LondonLondonUK
- Paediatric Radiology, Great Ormond Street Hospital for Children NHS TrustLondonUK
| | - Jan Deprest
- Wellcome/EPSRC Centre for Interventional and Surgical Sciences, University College LondonLondonUK
- Institute for Women's Health, University College LondonLondonUK
- Department of Obstetrics and GynaecologyUniversity Hospitals LeuvenLeuvenBelgium
| | - Sebastien Ourselin
- Department of Medical Physics and Biomedical EngineeringUniversity College LondonLondonUK
- School of Biomedical Engineering and Imaging Sciences, King's College LondonLondonUK
| | - Paul C. Beard
- Wellcome/EPSRC Centre for Interventional and Surgical Sciences, University College LondonLondonUK
- Department of Medical Physics and Biomedical EngineeringUniversity College LondonLondonUK
| | - Andrew Melbourne
- Department of Medical Physics and Biomedical EngineeringUniversity College LondonLondonUK
- School of Biomedical Engineering and Imaging Sciences, King's College LondonLondonUK
| | - Tom Vercauteren
- Department of Medical Physics and Biomedical EngineeringUniversity College LondonLondonUK
- School of Biomedical Engineering and Imaging Sciences, King's College LondonLondonUK
| | - Anna L. David
- Institute for Women's Health, University College LondonLondonUK
| | - Adrien E. Desjardins
- Wellcome/EPSRC Centre for Interventional and Surgical Sciences, University College LondonLondonUK
- Department of Medical Physics and Biomedical EngineeringUniversity College LondonLondonUK
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Tosun G, Kose S, İşbilen Başok B, Altunyurt S. First-trimester placental function in levothyroxine-using pregnant women: a case-control study. Gynecol Endocrinol 2020; 36:233-237. [PMID: 31888411 DOI: 10.1080/09513590.2019.1708317] [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] [Indexed: 10/25/2022] Open
Abstract
We aimed to compare the pregnancy-associated plasma protein-A (PAPP-A) and the uterine artery pulsatility index (UtA PI) levels of euthyroid pregnant women using levothyroxine vs. a control group of uncomplicated pregnancies and to evaluate the effects of different levothyroxine dosages on pregnancy outcomes. We retrospectively evaluated 206 levothyroxine-using pregnant women by looking at their basic placental function markers and obstetric outcomes. A sample of 449 women whose pregnancies concluded with uncomplicated term deliveries composed of our control group. To examine the relationship between the levothyroxine dosages and the frequency of pregnancy complications, levothyroxine users were divided into different groups according to the 75, 100, and 150 mcg cutoffs. The median PAPP-A MoM levels of levothyroxine users were significantly lower at 0.94 vs. 1.11 (p < .001) and the median mean UtA PI was significantly higher than the control group at 2.08 vs. 1.74 (p < .0001). The median birth weight was significantly lower for the levothyroxine users' group at 3292 g vs. 3427 g (p < .0001). Using 75, 100, and 150 mcg dose cutoffs, PAPP-A MoM, mean UtA PI and obstetric complication frequencies were not significantly different among levothyroxine users. Significant changes in placental function markers have been observed in euthyroid levothyroxine-using pregnant women during the first trimester. However, the frequency of obstetric complications does not appear to be dose dependent.
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Affiliation(s)
- Gökhan Tosun
- Department of Obstetrics and Gynecology, Buca Maternity and Children's Hospital, Izmir, Turkey
- Department of Obstetrics and Gynecology, Tepecik Training and Research Hospital, University of Health Sciences, Izmir, Turkey
| | - Semir Kose
- Department of Obstetrics and Gynecology, Division of Perinatology, Buca Maternity and Children's Hospital, Izmir, Turkey
| | - Banu İşbilen Başok
- Department of Obstetrics and Gynecology, Tepecik Training and Research Hospital, University of Health Sciences, Izmir, Turkey
| | - Sabahattin Altunyurt
- Department of Obstetrics and Gynecology, Division of Perinatology, Dokuz Eylül University, Izmir, Turkey
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Kristi B A, Ditte N H, Caroline H, Marianne S, Astrid P, Jens B F, David A P, Anne S. Placental diffusion-weighted MRI in normal pregnancies and those complicated by placental dysfunction due to vascular malperfusion. Placenta 2020; 91:52-58. [PMID: 32174307 DOI: 10.1016/j.placenta.2020.01.009] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 01/19/2020] [Accepted: 01/21/2020] [Indexed: 01/28/2023]
Abstract
INTRODUCTION Our aim was to assess placental function by diffusion-weighted magnetic resonance imaging (MRI) using intravoxel incoherent motion (IVIM) analysis in uncomplicated pregnancies and pregnancies complicated by placental dysfunction. METHODS 31 normal pregnancies and 9 pregnancies complicated by placental dysfunction (birthweight ≤ -2SD and histological signs of placental vascular malperfusion) were retrieved from our placental MRI research database. MRI was performed at gestational weeks 20.1-40.6 in a 1.5 T system using 10 b-values (0-1000 s/mm2). Regions of interest were drawn covering the entire placenta in five transverse slices. Diffusion coefficient (D), pseudodiffusion coefficient (D*) and perfusion fraction (f) were estimated by IVIM analysis. RESULTS In normal pregnancies, placental f decreased linearly with gestational age (r = -0.522, p = 0.002) being 26.2% at week 20 and 18.8% at week 40. D and D* were 1.57 ± 0.03 and 31.7 ± 3.1 mm2/s (mean ± SD), respectively, and they were not correlated with gestational age. In complicated pregnancies, f was significantly reduced (mean Z-score = -1.16; p = 0.02) when compared to the group of normal pregnancies, whereas D and D* did not differ significantly between groups. Subgroup analysis demonstrated that f was predominantly reduced in dysfunctional placentas characterized by fetal vascular malperfusion (mean Z-score = -2.11, p < 0.001) rather than maternal vascular malperfusion (mean Z-score = -0.40, p = 0.42). In addition, f was negatively correlated with uterine artery pulsatility index (r = -0.396, p = 0.01). DISCUSSION Among parameters obtained by the IVIM analysis, only f revealed significant differences between the normal and the dysfunctional placentas. Subgroup analysis suggests that placental f may be able to discriminate non-invasively between different histological types of vascular malperfusion.
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Affiliation(s)
- Anderson Kristi B
- Department of Pathology, Aalborg University Hospital, Ladegaardsgade 3, 9000, Aalborg, Denmark.
| | - Hansen Ditte N
- Department of Obstetrics and Gynecology, Aalborg University Hospital, Reberbansgade 15, 9000, Aalborg, Denmark; Department of Clinical Medicine, Aalborg University, Sdr. Skovvej 15, 9000, Aalborg, Denmark
| | - Haals Caroline
- Department of Obstetrics and Gynecology, Aalborg University Hospital, Reberbansgade 15, 9000, Aalborg, Denmark
| | - Sinding Marianne
- Department of Obstetrics and Gynecology, Aalborg University Hospital, Reberbansgade 15, 9000, Aalborg, Denmark; Department of Clinical Medicine, Aalborg University, Sdr. Skovvej 15, 9000, Aalborg, Denmark
| | - Petersen Astrid
- Department of Pathology, Aalborg University Hospital, Ladegaardsgade 3, 9000, Aalborg, Denmark
| | - Frøkjær Jens B
- Department of Clinical Medicine, Aalborg University, Sdr. Skovvej 15, 9000, Aalborg, Denmark; Department of Radiology, Aalborg University Hospital, Hobrovej 18-22, 9000, Aalborg, Denmark
| | - Peters David A
- Department of Clinical Engineering, Central Denmark Region, Nørrebrogade 44, 8000, Aarhus C, Denmark
| | - Sørensen Anne
- Department of Obstetrics and Gynecology, Aalborg University Hospital, Reberbansgade 15, 9000, Aalborg, Denmark; Department of Clinical Medicine, Aalborg University, Sdr. Skovvej 15, 9000, Aalborg, Denmark
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40
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Baik-Schneditz N, Pichler G, Schwaberger B, Binder-Heschl C, Mileder L, Reiss IKH, Avian A, Greimel P, Klaritsch P, Urlesberger B. Effect of Intrauterine Growth Restriction on Cerebral Regional Oxygen Saturation in Preterm and Term Neonates during Immediate Postnatal Transition. Neonatology 2020; 117:324-330. [PMID: 32516786 DOI: 10.1159/000507583] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Accepted: 03/29/2020] [Indexed: 11/19/2022]
Abstract
BACKGROUND Intrauterine growth restriction (IUGR) is associated with adverse perinatal outcome. Affected fetuses commonly display typical blood flow redistribution towards the brain ("brain sparing"). Accordingly, increased cerebral oxygen saturation has been observed in IUGR neonates within the first days of life. AIM The aim of our study was to assess cerebral oxygenation behavior during immediate neonatal transition in IUGR infants. METHODS This is a retrospective single-center observational cohort study. Cerebral regional oxygen saturation (crSO2) was measured with near-infrared spectroscopy in neonates during the first 15 min after birth. Neonates with IUGR (IUGR group) were matched for gestational age (±1 week) and gender with neonates that were appropriate for gestational age (AGA). The AGA:IUGR matching ratio was 3:1. Arterial oxygen saturation (SpO2), heart rate (HR), crSO2, and cerebral fractional tissue oxygen extraction (cFTOE) were compared between the groups. RESULTS Between August 2010 and October 2017, 45 neonates with IUGR were identified and matched to 135 AGA neonates. Mean gestational age was 33.1 ± 3.0 weeks in the IUGR group and 33.5 ± 2.7 weeks in the AGA group. Mean birth weight was 1,559 ± 582 g in the IUGR group and 2,051 ± 679 g in the AGA group. There was a significant group difference in crSO2 beginning at 5 min and continuing for the rest of the observation time with higher crSO2 values in the IUGR group (main effect group: p = 0.011; interaction time × group: p = 0.039). In cFTOE, a significant difference could be observed at 5-9 and 11-13 min with lower rates of oxygen extraction in the IUGR group (main effect group: p = 0.025; interaction time × group: p = 0.463). Concerning SpO2 and HR, there was no significant difference between the IUGR and the AGA neonates. CONCLUSION Neonates of the IUGR group did show significantly higher crSO2 values and significantly lower cFTOE values already during immediate neonatal transition compared to the AGA group.
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Affiliation(s)
- Nariae Baik-Schneditz
- Division of Neonatology, Department of Pediatrics and Adolescent Medicine, Medical University of Graz, Graz, Austria, .,Research Unit for Neonatal Micro- and Macrocirculation, Division of Neonatology, Medical University of Graz, Graz, Austria, .,Research Unit for Cerebral Development and Oximetry, Division of Neonatology, Medical University of Graz, Graz, Austria,
| | - Gerhard Pichler
- Division of Neonatology, Department of Pediatrics and Adolescent Medicine, Medical University of Graz, Graz, Austria.,Research Unit for Neonatal Micro- and Macrocirculation, Division of Neonatology, Medical University of Graz, Graz, Austria.,Research Unit for Cerebral Development and Oximetry, Division of Neonatology, Medical University of Graz, Graz, Austria
| | - Bernhard Schwaberger
- Division of Neonatology, Department of Pediatrics and Adolescent Medicine, Medical University of Graz, Graz, Austria.,Research Unit for Neonatal Micro- and Macrocirculation, Division of Neonatology, Medical University of Graz, Graz, Austria.,Research Unit for Cerebral Development and Oximetry, Division of Neonatology, Medical University of Graz, Graz, Austria
| | - Corinna Binder-Heschl
- Division of Neonatology, Department of Pediatrics and Adolescent Medicine, Medical University of Graz, Graz, Austria.,Research Unit for Neonatal Micro- and Macrocirculation, Division of Neonatology, Medical University of Graz, Graz, Austria.,Research Unit for Cerebral Development and Oximetry, Division of Neonatology, Medical University of Graz, Graz, Austria
| | - Lukas Mileder
- Division of Neonatology, Department of Pediatrics and Adolescent Medicine, Medical University of Graz, Graz, Austria.,Research Unit for Neonatal Micro- and Macrocirculation, Division of Neonatology, Medical University of Graz, Graz, Austria.,Research Unit for Cerebral Development and Oximetry, Division of Neonatology, Medical University of Graz, Graz, Austria
| | - Irwin K H Reiss
- Division of Neonatology, Department of Pediatrics, Erasmus Medical Center (MC), University MC Rotterdam, Rotterdam, The Netherlands
| | - Alexander Avian
- Institute for Medical Informatics, Statistics, and Documentation, Medical University of Graz, Graz, Austria
| | - Patrick Greimel
- Department of Obstetrics and Gynecology, Medical University of Graz, Graz, Austria
| | - Philipp Klaritsch
- Department of Obstetrics and Gynecology, Medical University of Graz, Graz, Austria
| | - Berndt Urlesberger
- Division of Neonatology, Department of Pediatrics and Adolescent Medicine, Medical University of Graz, Graz, Austria.,Research Unit for Neonatal Micro- and Macrocirculation, Division of Neonatology, Medical University of Graz, Graz, Austria.,Research Unit for Cerebral Development and Oximetry, Division of Neonatology, Medical University of Graz, Graz, Austria
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Nanoparticle Contrast-enhanced T1-Mapping Enables Estimation of Placental Fractional Blood Volume in a Pregnant Mouse Model. Sci Rep 2019; 9:18707. [PMID: 31822711 PMCID: PMC6904754 DOI: 10.1038/s41598-019-55019-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Accepted: 11/15/2019] [Indexed: 11/24/2022] Open
Abstract
Non-invasive methods for estimating placental fractional blood volume (FBV) are of great interest for characterization of vascular perfusion in placentae during pregnancy to identify placental insufficiency that may be indicative of local ischemia or fetal growth restriction (FGR). Nanoparticle contrast-enhanced magnetic resonance imaging (CE-MRI) may enable direct placental FBV estimation and may provide a reliable, 3D alternative to assess maternal-side placental perfusion. In this pre-clinical study, we investigated if placental FBV at 14, 16, and 18 days of gestation could be estimated through contrast-enhanced MRI using a long circulating blood-pool liposomal gadolinium contrast agent that does not penetrate the placental barrier. Placental FBV estimates of 0.47 ± 0.06 (E14.5), 0.50 ± 0.04 (E16.5), and 0.52 ± 0.04 (E18.5) were found through fitting pre-contrast and post-contrast T1 values in placental tissue using a variable flip angle method. MRI-derived placental FBV was validated against nanoparticle contrast-enhanced computed tomography (CE-CT) derived placental FBV, where signal is directly proportional to the concentration of iodine contrast agent. The results demonstrate successful estimation of the placental FBV, with values statistically indistinguishable from the CT derived values.
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Lopez-Tello J, Arias-Alvarez M, Gonzalez-Bulnes A, Sferuzzi-Perri AN. Models of Intrauterine growth restriction and fetal programming in rabbits. Mol Reprod Dev 2019; 86:1781-1809. [PMID: 31538701 DOI: 10.1002/mrd.23271] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Accepted: 09/02/2019] [Indexed: 12/23/2022]
Abstract
Intrauterine growth restriction (IUGR) affects approximately 10% of human pregnancies globally and has immediate and life-long consequences for offspring health. However, the mechanisms underlying the pathogenesis of IUGR and its association with later health and disease outcomes are poorly understood. To address these knowledge gaps, the use of experimental animals is critically important. Since the 50's different environmental, pharmacological, and surgical manipulations have been performed in the rabbit to improve our knowledge of the control of fetal growth, fetal responses to IUGR, and mechanisms by which offspring may be programmed by an adverse gestational environment. The purpose of this review is therefore to summarize the utility of the rabbit as a model for IUGR research. It first summarizes the knowledge of prenatal and postnatal development in the rabbit and how these events relate to developmental milestones in humans. It then describes the methods used to induce IUGR in rabbits and the knowledge gained about the mechanisms determining prenatal and postnatal outcomes of the offspring. Finally, it discusses the application of state of the art approaches in the rabbit, including high-resolution ultrasound, magnetic resonance imaging, and gene targeting, to gain a deeper integrative understanding of the physiological and molecular events governing the development of IUGR. Overall, we hope to engage and inspire investigators to employ the rabbit as a model organism when studying pregnancy physiology so that we may advance our understanding of mechanisms underlying IUGR and its consequences in humans and other mammalian species.
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Affiliation(s)
- Jorge Lopez-Tello
- Department of Physiology, Development, and Neuroscience, Centre for Trophoblast Research, University of Cambridge, Cambridge, UK
| | - Maria Arias-Alvarez
- Department of Animal Production. Veterinary Faculty, Complutense University of Madrid, Ciudad Universitaria, Madrid, Spain
| | | | - Amanda N Sferuzzi-Perri
- Department of Physiology, Development, and Neuroscience, Centre for Trophoblast Research, University of Cambridge, Cambridge, UK
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43
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López-Tello J, Pérez-García V, Khaira J, Kusinski LC, Cooper WN, Andreani A, Grant I, Fernández de Liger E, Lam BY, Hemberger M, Sandovici I, Constancia M, Sferruzzi-Perri AN. Fetal and trophoblast PI3K p110α have distinct roles in regulating resource supply to the growing fetus in mice. eLife 2019; 8:45282. [PMID: 31241463 PMCID: PMC6634971 DOI: 10.7554/elife.45282] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Accepted: 06/25/2019] [Indexed: 01/07/2023] Open
Abstract
Studies suggest that placental nutrient supply adapts according to fetal demands. However, signaling events underlying placental adaptations remain unknown. Here we demonstrate that phosphoinositide 3-kinase p110α in the fetus and the trophoblast interplay to regulate placental nutrient supply and fetal growth. Complete loss of fetal p110α caused embryonic death, whilst heterozygous loss resulted in fetal growth restriction and impaired placental formation and nutrient transport. Loss of trophoblast p110α resulted in viable fetuses, abnormal placental development and a failure of the placenta to transport sufficient nutrients to match fetal demands for growth. Using RNA-seq we identified genes downstream of p110α in the trophoblast that are important in adapting placental phenotype. Using CRISPR/Cas9 we showed loss of p110α differentially affects gene expression in trophoblast and embryonic stem cells. Our findings reveal important, but distinct roles for p110α in the different compartments of the conceptus, which control fetal resource acquisition and growth.
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Affiliation(s)
- Jorge López-Tello
- Centre for Trophoblast Research, Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, United Kingdom
| | - Vicente Pérez-García
- Centre for Trophoblast Research, Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, United Kingdom.,Epigenetics Programme, The Babraham Institute, Cambridge, United Kingdom
| | - Jaspreet Khaira
- Centre for Trophoblast Research, Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, United Kingdom
| | - Laura C Kusinski
- Centre for Trophoblast Research, Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, United Kingdom.,Metabolic Research Laboratories, MRC Metabolic Diseases Unit, Department of Obstetrics and Gynaecology, The Rosie Hospital, Cambridge, United Kingdom
| | - Wendy N Cooper
- Metabolic Research Laboratories, MRC Metabolic Diseases Unit, Department of Obstetrics and Gynaecology, The Rosie Hospital, Cambridge, United Kingdom
| | - Adam Andreani
- Centre for Trophoblast Research, Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, United Kingdom
| | - Imogen Grant
- Centre for Trophoblast Research, Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, United Kingdom
| | - Edurne Fernández de Liger
- Centre for Trophoblast Research, Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, United Kingdom
| | - Brian Yh Lam
- Metabolic Research Laboratories, MRC Metabolic Diseases Unit, Department of Obstetrics and Gynaecology, The Rosie Hospital, Cambridge, United Kingdom
| | - Myriam Hemberger
- Epigenetics Programme, The Babraham Institute, Cambridge, United Kingdom.,Department of Biochemistry and Molecular Biology, Cumming School of Medicine, University of Calgary, Calgary, Canada.,Department of Medical Genetics, Cumming School of Medicine, University of Calgary, Calgary, Canada
| | - Ionel Sandovici
- Centre for Trophoblast Research, Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, United Kingdom.,Metabolic Research Laboratories, MRC Metabolic Diseases Unit, Department of Obstetrics and Gynaecology, The Rosie Hospital, Cambridge, United Kingdom
| | - Miguel Constancia
- Centre for Trophoblast Research, Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, United Kingdom.,Metabolic Research Laboratories, MRC Metabolic Diseases Unit, Department of Obstetrics and Gynaecology, The Rosie Hospital, Cambridge, United Kingdom
| | - Amanda N Sferruzzi-Perri
- Centre for Trophoblast Research, Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, United Kingdom
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44
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Intrauterine growth restriction affects z-scores of anthropometric parameters during the first 6 years in very low-birth-weight-children born at less than 30 weeks of gestation. J Dev Orig Health Dis 2019; 11:44-48. [PMID: 31232255 DOI: 10.1017/s2040174419000369] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
OBJECTIVE Little is known about physical constitution outcomes for very preterm infants. Here, we compare z-scores of anthropometric parameters up to 6 years of age in children born with very low birth weight (VLBW) at less than 30 weeks of gestation, with or without intrauterine growth restriction (IUGR). DESIGN Participants were divided into four subgroups: male (M), small for gestational age (SGA) (n = 30); M, appropriate for gestational age (AGA) (n = 59); female (F), SGA (n = 24); and F, AGA (n = 61). z-Scores of body weight (BW), body length (BL), and body mass index (BMI) were assessed at birth, 1 year corrected age, 3 years of age, and 6 years of age. RESULTS For boys, BW and BMI were significantly lower among SGA children than among AGA children at all assessments, but there was no difference in BL at 3 or 6 years. For girls, BW and BL were significantly lower among SGA children than among AGA children at all assessments, but no difference was detected in BMI after 1.5 years. No significant variation in the z-score of BW or BMI in either SGA group was observed after 1 year. BL z-score in all groups gradually increased until 6 years of age. CONCLUSION IUGR affects BW and BMI in boys and BW and BL in girls during the first 6 years in VLBW children born at less than 30 weeks of gestation. SGA children did not catch up in BW or BMI from 1 to 6 years of age.
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Budunoglu MD, Yapca OE, Yldildiz GA, Atakan Al R. Fetal renal blood flow velocimetry and cerebro-placental ratio in patients with isolated oligohydramnios. J Gynecol Obstet Hum Reprod 2019; 48:495-499. [PMID: 31176048 DOI: 10.1016/j.jogoh.2019.06.002] [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: 01/14/2019] [Revised: 05/20/2019] [Accepted: 06/04/2019] [Indexed: 10/26/2022]
Abstract
OBJECTIVE It's proposed that oligohydramnios is caused by decreased renal perfusion due to redistribution of fetal blood at fetal growth restriction. Isolated oligohydramnios refers to the presence of oligohydramnios without fetal structural and chromosomal abnormalities, without fetal growth restriction, without intrauterine infection, and in the absence of known maternal disease. It's unknown whether the redistribution or decreased renal perfusion cause isolated oligohydramnios. The aim of the study was to evaluate fetal renal artery Doppler blood velocimetry and cerebro-placental ratio (CPR) among women with isolated oligohydramnios between 25-40 weeks of gestational age. STUDY DESIGN The middle cerebral artery, umbilical artery and, renal artery pulsatility index (PI) values were measured in 45 fetuses with isolated oligohydramnios and 65 fetuses with normal amniotic fluid. Oligohydramnios was defined as deepest vertical amniotic fluid being measured lower than 1cm. The CPR (middle cerebral artery PI/umbilical artery PI) and renal artery PI values were expressed as multiples of the normal median (MoM) and were compared between the two groups. RESULTS There was no difference in MoM of CPR PI (p=0.167) and MoM of renal artery PI values (right p=0.253, left p=0.353) between the groups. CONCLUSION The renal artery Doppler velocimetry and CPR were not significantly different in the women with isolated oligohydramnios, compared to the women with normal amniotic fluid.
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Affiliation(s)
| | - Omer Erkan Yapca
- Department of Obstetrics and Gynecology, Ataturk University, Faculty of Medicine, Turkey
| | | | - Ragip Atakan Al
- Department of Obstetrics and Gynecology, Ataturk University, Faculty of Medicine, Turkey.
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46
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Kooijman MN, van Meel ER, Steegers EAP, Reiss IKM, de Jongste JC, Jaddoe VWV, Duijts L. Fetal umbilical, cerebral and pulmonary blood flow patterns in relation to lung function and asthma in childhood. The Generation R Study. Pediatr Allergy Immunol 2019; 30:443-450. [PMID: 30801809 PMCID: PMC6563472 DOI: 10.1111/pai.13044] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2018] [Revised: 01/24/2019] [Accepted: 02/04/2019] [Indexed: 11/28/2022]
Abstract
BACKGROUND Fetal growth restriction is associated with higher risks of childhood respiratory morbidity. Fetal blood flow adaptations might contribute to these associations. We examined the associations of fetal umbilical, cerebral, and pulmonary blood flow with wheezing patterns, lung function, and asthma in childhood. METHODS In a population-based prospective cohort study among 903 children, we measured fetal umbilical, cerebral, and pulmonary blood flow by pulsed-wave Doppler at a median gestational age of 30.3 (95% range 28.8-32.3) weeks. We obtained information about wheezing patterns until the age of 6 years by questionnaires. Lung function was measured by spirometry and information about current asthma was obtained by questionnaire at the age of 10 years. RESULTS Results showed a non-significant relationship between a higher umbilical artery pulsatility index (PI) and umbilical artery PI/cerebral artery PI ratio, indicating fetal blood flow redistribution at the expense of the trunk, with higher risks of early wheezing (OR [95% CI]: 2.07 (0.70-6.10) and 2.74 (0.60, 12.62) per unit increase, respectively). A higher pulmonary artery time velocity integral, indicating higher pulmonary vascular resistance, was associated with a higher risk of late/persistent wheezing (Z-score 1.14 [1.01-1.29]). A higher middle cerebral artery PI was associated with a higher FEV1 /FVC (Z-score [95% CI]: 0.21 [0.01-0.42]). Results did not materially change after additional adjustment for birth and growth characteristics. CONCLUSION Third-trimester fetal blood flow patterns might be related to childhood respiratory health. These findings should be considered as hypothesis generating and need further replication.
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Affiliation(s)
- Marjolein N. Kooijman
- The Generation R Study GroupErasmus University Medical CenterRotterdamthe Netherlands
- Department of PediatricsErasmus University Medical CenterRotterdamthe Netherlands
| | - Evelien R. van Meel
- The Generation R Study GroupErasmus University Medical CenterRotterdamthe Netherlands
- Department of PediatricsErasmus University Medical CenterRotterdamthe Netherlands
- Division of Respiratory Medicine and Allergology, Department of PediatricsErasmus University Medical CenterRotterdamthe Netherlands
| | - Eric A. P. Steegers
- Department of Obstetrics and GynecologyErasmus University Medical CenterRotterdamthe Netherlands
| | - Irwin K. M. Reiss
- Division of Neonatology, Department of PediatricsErasmus University Medical CenterRotterdamthe Netherlands
| | - Johan C. de Jongste
- Division of Respiratory Medicine and Allergology, Department of PediatricsErasmus University Medical CenterRotterdamthe Netherlands
| | - Vincent W. V. Jaddoe
- The Generation R Study GroupErasmus University Medical CenterRotterdamthe Netherlands
- Department of PediatricsErasmus University Medical CenterRotterdamthe Netherlands
| | - Liesbeth Duijts
- Division of Respiratory Medicine and Allergology, Department of PediatricsErasmus University Medical CenterRotterdamthe Netherlands
- Division of Neonatology, Department of PediatricsErasmus University Medical CenterRotterdamthe Netherlands
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47
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Hart B, Morgan E, Alejandro EU. Nutrient sensor signaling pathways and cellular stress in fetal growth restriction. J Mol Endocrinol 2019; 62:R155-R165. [PMID: 30400060 PMCID: PMC6443503 DOI: 10.1530/jme-18-0059] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Accepted: 10/09/2018] [Indexed: 12/24/2022]
Abstract
Fetal growth restriction is one of the most common obstetrical complications resulting in significant perinatal morbidity and mortality. The most frequent etiology of human singleton fetal growth restriction is placental insufficiency, which occurs secondary to reduced utero-placental perfusion, abnormal placentation, impaired trophoblast invasion and spiral artery remodeling, resulting in altered nutrient and oxygen transport. Two nutrient-sensing proteins involved in placental development and glucose and amino acid transport are mechanistic target of rapamycin (mTOR) and O-linked N-acetylglucosamine transferase (OGT), which are both regulated by availability of oxygen. Impairment in either of these pathways is associated with fetal growth restriction and accompanied by cellular stress in the forms of hypoxia, oxidative and endoplasmic reticulum (ER) stress, metabolic dysfunction and nutrient starvation in the placenta. Recent evidence has emerged regarding the potential impact of nutrient sensors on fetal stress response, which occurs in a sexual dysmorphic manner, indicating a potential element of genetic gender susceptibility to fetal growth restriction. In this mini review, we focus on the known role of mTOR and OGT in placental development, nutrient regulation and response to cellular stress in human fetal growth restriction with supporting evidence from rodent models.
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Affiliation(s)
- Bethany Hart
- Division of Maternal-Fetal Medicine, Department of Obstetrics, Gynecology, and Women's Health, University of Minnesota, Minneapolis, Minnesota, USA
| | - Elizabeth Morgan
- Division of Maternal-Fetal Medicine, Department of Obstetrics, Gynecology, and Women's Health, University of Minnesota, Minneapolis, Minnesota, USA
| | - Emilyn U Alejandro
- Department of Integrative Biology and Physiology, University of Minnesota, Minneapolis, Minnesota, USA
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48
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Cahill LS, Zhou YQ, Hoggarth J, Yu LX, Rahman A, Stortz G, Whitehead CL, Baschat A, Kingdom JC, Macgowan CK, Serghides L, Sled JG. Placental vascular abnormalities in the mouse alter umbilical artery wave reflections. Am J Physiol Heart Circ Physiol 2019; 316:H664-H672. [PMID: 30632765 DOI: 10.1152/ajpheart.00733.2018] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Current methods to detect placental vascular pathologies that monitor Doppler ultrasound changes in umbilical artery (UA) pulsatility have only moderate diagnostic utility, particularly in late gestation. In fetal mice, we recently demonstrated that reflected pressure waves propagate counter to the direction of flow in the UA and proposed the measurement of these reflections as a means to detect abnormalities in the placental circulation. In the present study, we used this approach in combination with microcomputed tomography to investigate the relationship between altered placental vascular architecture and changes in UA wave reflection metrics. Fetuses were assessed at embryonic day (E) 15.5 and E17.5 in control C57BL6/J mice and dams treated with combination antiretroviral therapy (cART), a known model of fetal growth restriction. Whereas the reflection coefficient was not different between groups at E15.5, it was 27% higher at E17.5 in cART-treated mice compared with control mice. This increase in reflection coefficient corresponded to a 36% increase in the total number of vessel segments, a measure of overall architectural complexity. Interestingly, there was no difference in UA pulsatility index between groups, suggesting that the wave reflections convey information about vascular architecture that is not captured by conventional ultrasound metrics. The wave reflection parameters were found to be associated with the morphology of the fetoplacental arterial tree, with the area ratio between the UA and first branch points correlating with the reflection coefficient. This study highlights the potential for wave reflection to aid in the noninvasive clinical assessment of placental vascular pathology. NEW & NOTEWORTHY We used a novel ultrasound methodology based on detecting pulse pressure waves that propagate along the umbilical artery to investigate the relationship between changes in wave reflection metrics and altered placental vascular architecture visualized by microcomputed tomography. Using pregnant mice treated with combination antiretroviral therapy, a model of fetal growth restriction, we demonstrated that reflections in the umbilical artery are sensitive to placental vascular abnormalities and associated with the geometry of the fetoplacental tree.
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Affiliation(s)
- Lindsay S Cahill
- Mouse Imaging Centre, Hospital for Sick Children , Toronto, Ontario , Canada
| | - Yu-Qing Zhou
- Mouse Imaging Centre, Hospital for Sick Children , Toronto, Ontario , Canada
| | - Johnathan Hoggarth
- Mouse Imaging Centre, Hospital for Sick Children , Toronto, Ontario , Canada
| | - Lisa X Yu
- Mouse Imaging Centre, Hospital for Sick Children , Toronto, Ontario , Canada
| | - Anum Rahman
- Mouse Imaging Centre, Hospital for Sick Children , Toronto, Ontario , Canada.,Department of Medical Biophysics, University of Toronto , Ontario , Canada
| | - Greg Stortz
- Translational Medicine, Hospital for Sick Children , Toronto, Ontario , Canada
| | | | - Ahmet Baschat
- Center for Fetal Therapy, Johns Hopkins Medicine, Baltimore, Maryland
| | - John C Kingdom
- Mount Sinai Hospital , Toronto, Ontario , Canada.,Department of Obstetrics and Gynecology, University of Toronto , Ontario , Canada
| | - Christopher K Macgowan
- Department of Medical Biophysics, University of Toronto , Ontario , Canada.,Translational Medicine, Hospital for Sick Children , Toronto, Ontario , Canada
| | - Lena Serghides
- Toronto General Hospital Research Institute, University Health Network , Toronto, Ontario , Canada.,Department of Immunology and Institute of Medical Sciences, University of Toronto , Ontario , Canada.,Women's College Research Institute, Women's College Hospital , Toronto, Ontario , Canada
| | - John G Sled
- Mouse Imaging Centre, Hospital for Sick Children , Toronto, Ontario , Canada.,Department of Medical Biophysics, University of Toronto , Ontario , Canada.,Translational Medicine, Hospital for Sick Children , Toronto, Ontario , Canada.,Department of Obstetrics and Gynecology, University of Toronto , Ontario , Canada
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49
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Lv Y, Lv M, Ji X, Xue L, Rui C, Yin L, Ding H, Miao Z. Down-regulated expressed protein HMGB3 inhibits proliferation and migration, promotes apoptosis in the placentas of fetal growth restriction. Int J Biochem Cell Biol 2018; 107:69-76. [PMID: 30543931 DOI: 10.1016/j.biocel.2018.11.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Revised: 11/01/2018] [Accepted: 11/12/2018] [Indexed: 12/26/2022]
Abstract
Fetal growth restriction (FGR) is one of the major complications of pregnancy, which can lead to serious short-term and long-term diseases. High-mobility group box 3 (HMGB3) has been found to contribute to the development of many cancers. However, the role of HMGB3 in the pathogenesis of FGR is blank. Here, we measured the expression level of HMGB3 in the placenta tissues of six normal pregnancies and five FGR patients by western blotting and quantitative real-time polymerase chain reaction (qRT-PCR). CCK8 assay, transwell assay and flow cytometry were used to detect the functional effects of overexpression and silencing of HMGB3 on the HTR8/SVneo trophoblast cell line. The results showed that the protein levels of HMGB3 were significantly decreased in FGR placentas compared to normal controls, while mRNA levels of HMGB3 were not significantly altered. Furthermore, when overexpressed of protein HMGB3 of the trophoblast cells, the proliferation and migration abilities were significantly promoted, and the apoptosis abilities of these cells were statistically inhibited. Cell functional experiments showed the opposite results when the expression of HMGB3 was silent. And the expression of cell function-related genes PCNA, Ki67, Tp53, Bax, MMP-2 and E-cadherin was observed to show corresponding changes by qRT-PCR. The results of mass spectrometry showed that HMGB3 may directly or indirectly interact with 71 proteins. In summary, our results indicated that HMGB3 might be of very great significance to the pathogenesis of FGR and might play the role by leading the dysfunction of placental villous trophoblast cells and through the interaction with some other proteins.
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Affiliation(s)
- Yan Lv
- Department of Obstetrics and Gynecology, The Affiliated Obstetrics and Gynecology Hospital of Nanjing Medical University (Nanjing Maternity and Child Health Care Hospital), Nanjing, 210004, China
| | - Mingming Lv
- Department of Breast, The Affiliated Obstetrics and Gynecology Hospital of Nanjing Medical University (Nanjing Maternity and Child Health Care Hospital), Nanjing, 210004, China; Nanjing Maternal and Child Health Institute, The Affiliated Obstetrics and Gynecology Hospital of Nanjing Medical University (Nanjing Maternity and Child Health Care Hospital), Nanjing, 210004, China
| | - Xiaohong Ji
- Department of Obstetrics and Gynecology, The Affiliated Obstetrics and Gynecology Hospital of Nanjing Medical University (Nanjing Maternity and Child Health Care Hospital), Nanjing, 210004, China
| | - Lu Xue
- Department of Obstetrics and Gynecology, The Affiliated Obstetrics and Gynecology Hospital of Nanjing Medical University (Nanjing Maternity and Child Health Care Hospital), Nanjing, 210004, China
| | - Can Rui
- Department of Obstetrics and Gynecology, The Affiliated Obstetrics and Gynecology Hospital of Nanjing Medical University (Nanjing Maternity and Child Health Care Hospital), Nanjing, 210004, China
| | - Lingfeng Yin
- Department of Obstetrics and Gynecology, The Affiliated Obstetrics and Gynecology Hospital of Nanjing Medical University (Nanjing Maternity and Child Health Care Hospital), Nanjing, 210004, China
| | - Hongjuan Ding
- Department of Obstetrics and Gynecology, The Affiliated Obstetrics and Gynecology Hospital of Nanjing Medical University (Nanjing Maternity and Child Health Care Hospital), Nanjing, 210004, China.
| | - Zhijing Miao
- Department of Obstetrics and Gynecology, The Affiliated Obstetrics and Gynecology Hospital of Nanjing Medical University (Nanjing Maternity and Child Health Care Hospital), Nanjing, 210004, China.
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50
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Jonker SS, Kamna D, LoTurco D, Kailey J, Brown LD. IUGR impairs cardiomyocyte growth and maturation in fetal sheep. J Endocrinol 2018; 239:253-265. [PMID: 30143557 PMCID: PMC6510659 DOI: 10.1530/joe-18-0382] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Revised: 08/15/2018] [Accepted: 08/24/2018] [Indexed: 12/13/2022]
Abstract
Placental insufficiency causes intrauterine growth restriction (IUGR), a common complication of pregnancy. In skeletal muscle, IUGR reduces fetal myofibril size, reduces myoblast proliferation and reduces expression of genes in cell cycle regulation clusters. The myocardium is striated like skeletal muscle, and IUGR also reduces cell cycle activity and maturation in cardiomyocytes, despite cardiac output preferentially directed to the coronary circulation. We hypothesized that cardiomyocyte growth restriction would be accompanied by similar changes in cell cycle regulation genes and would reduce cardiomyocyte cell cycle activity, number, maturity and size. Pregnant ewes were housed in elevated ambient temperatures from ~40 to ~115 days of gestation (dGA) to produce placental insufficiency and IUGR; fetal hearts were studied at ~134 dGA. Hearts were biopsied for mRNA analysis and then dissociated into individual myocytes (Control n = 8; IUGR n = 15) or dissected (Control n = 9; IUGR n = 13). IUGR fetuses had low circulating insulin and insulin-like growth factor 1 (IGF1) and high circulating cortisol. Bodies and hearts of IUGR fetuses were lighter than those of Controls. Cardiomyocytes of IUGR fetuses were smaller, less mature, less active in the cell cycle and less numerous than in Controls. Further, there was a pattern of downregulation of cell cycle genes in IUGR ventricles. IUGR growth profiles in heart and skeletal muscle suggest similar regulation despite differences in blood and nutrient delivery prioritization. IGF1 signaling is suggested as a mechanism regulating altered growth in IUGR striated muscle and a potential therapeutic candidate.
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Affiliation(s)
- Sonnet S Jonker
- Center for Developmental Health, Knight Cardiovascular Institute, Oregon Health & Science University, Portland, Oregon, United States
| | - Daniel Kamna
- Center for Developmental Health, Knight Cardiovascular Institute, Oregon Health & Science University, Portland, Oregon, United States
| | - Dan LoTurco
- Department of Pediatrics, Perinatal Research Center, Anschutz Medical Campus, University of Colorado, Aurora, Colorado, USA
| | - Jenai Kailey
- Department of Pediatrics, Perinatal Research Center, Anschutz Medical Campus, University of Colorado, Aurora, Colorado, USA
| | - Laura D Brown
- Department of Pediatrics, Perinatal Research Center, Anschutz Medical Campus, University of Colorado, Aurora, Colorado, USA
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