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Morriss-Kay G. A journey in the world of craniofacial development: From 1968 to the future. J Anat 2024. [PMID: 38760969 DOI: 10.1111/joa.14057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2024] [Accepted: 04/23/2024] [Indexed: 05/20/2024] Open
Abstract
This article is based on my talk at the meeting "3rd Advances in Craniosynostosis: Basic Science to Clinical Practice", held at University College, London, on 25 August 2023. It describes my contribution, together with that of my research team and external collaborators, to the field of craniofacial development. This began with my PhD research on the effects of excess vitamin A in rat embryos, which led to a study of normal as well as abnormal formation of the cranial neural tube. Many techniques for analysing morphogenetic change became available to me over the years: whole embryo culture, scanning and transmission electron microscopy, cell division analysis, immunohistochemistry and biochemical analysis of the extracellular matrix. The molecular revolution of the 1980s, and key collaborations with international research teams, enabled functional interpretation of some of the earlier morphological observations and required a change of experimental species to the mouse. Interactions between the molecular and experimental analysis of craniofacial morphogenesis in my laboratory with specialists in molecular genetics and clinicians brought my research journey near to my original aim: to contribute to a better understanding of the causes of human congenital anomalies.
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Affiliation(s)
- Gillian Morriss-Kay
- Emeritus Professor of Developmental Anatomy, Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford, UK
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Ivask M, Kurvits K, Uusküla M, Juppo A, Laius O, Siven M. Compliance with Pregnancy Prevention Recommendations for Isotretinoin Following the Amendment of the European Union Pregnancy Prevention Program: A Repeat Study in Estonia. Drugs Real World Outcomes 2024; 11:91-98. [PMID: 37462893 DOI: 10.1007/s40801-023-00381-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/27/2023] [Indexed: 03/13/2024] Open
Abstract
BACKGROUND Isotretinoin, indicated for severe acne, is a potent teratogen and therefore contraindicated in pregnancy. Thus, the pregnancy prevention program (PPP) for isotretinoin has been introduced. OBJECTIVES The aim of this study was to assess the concomitant use of isotretinoin and effective contraception and the rate of potential isotretinoin-exposed pregnancies in females of childbearing age in 2017-2020 in Estonia. In addition, we aimed to evaluate whether compliance with the PPP has improved compared with the previous study conducted in Estonia covering the period of 2012-2016. METHODS This retrospective, nationwide study using prescription and healthcare claims data included 2575 females aged 15-45 years who started using isotretinoin between 2017 and 2020. RESULTS For 64.7% of females of childbearing age, no concurrent use of an effective contraceptive was detected while using isotretinoin. A moderately higher contraceptive coverage (35.3%) was observed compared with the previous study (29.7%) (p < 0.001). Complete contraception coverage was highest in females aged 30-39 years with an adjusted OR of 12.8 (p < 0.001) compared with the age group 15-19 years and 2.47 (p < 0.001) compared with the age group 20-29 years. 17 pregnancies coincided with the isotretinoin treatment-related period. The risk for potential isotretinoin-exposed pregnancy was 6.6 (95% CI 3.9-10.5) per 1000 treated females of childbearing age over the 4-year observation period. The risk for potential isotretinoin-exposed pregnancies per 1000 treated females was 1.0 in females aged 15-19 years, 11.6 in females aged 20-29 years, 8.8 in females aged 30-39 years, and 7.4 in females aged 40-45 years (p = 0.009). CONCLUSION A slight improvement in complete contraceptive coverage during isotretinoin use has not resulted in a decrease in the risk of isotretinoin-exposed pregnancies. The contraceptive usage and risk for pregnancy vary greatly across age groups, suggesting the need for a more targeted approach to improve the effectiveness of the PPP.
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Affiliation(s)
- Maaja Ivask
- Faculty of Pharmacy, University of Helsinki, Helsinki, Finland.
- Roche International Pharmacovigilance, Roche Eesti OÜ, Tallinn, Estonia.
| | | | | | - Anne Juppo
- Faculty of Pharmacy, University of Helsinki, Helsinki, Finland
| | - Ott Laius
- State Agency of Medicines, Tartu, Estonia
| | - Mia Siven
- Faculty of Pharmacy, University of Helsinki, Helsinki, Finland
- Helsinki Institute of Sustainability Science, HELSUS, Helsinki, Finland
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Dinges SS, Amini K, Notarangelo LD, Delmonte OM. Primary and secondary defects of the thymus. Immunol Rev 2024; 322:178-211. [PMID: 38228406 PMCID: PMC10950553 DOI: 10.1111/imr.13306] [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: 01/18/2024]
Abstract
The thymus is the primary site of T-cell development, enabling generation, and selection of a diverse repertoire of T cells that recognize non-self, whilst remaining tolerant to self- antigens. Severe congenital disorders of thymic development (athymia) can be fatal if left untreated due to infections, and thymic tissue implantation is the only cure. While newborn screening for severe combined immune deficiency has allowed improved detection at birth of congenital athymia, thymic disorders acquired later in life are still underrecognized and assessing the quality of thymic function in such conditions remains a challenge. The thymus is sensitive to injury elicited from a variety of endogenous and exogenous factors, and its self-renewal capacity decreases with age. Secondary and age-related forms of thymic dysfunction may lead to an increased risk of infections, malignancy, and autoimmunity. Promising results have been obtained in preclinical models and clinical trials upon administration of soluble factors promoting thymic regeneration, but to date no therapy is approved for clinical use. In this review we provide a background on thymus development, function, and age-related involution. We discuss disease mechanisms, diagnostic, and therapeutic approaches for primary and secondary thymic defects.
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Affiliation(s)
- Sarah S. Dinges
- Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA
- Department of Pediatric Respiratory Medicine, Immunology and Critical Care Medicine, Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
| | - Kayla Amini
- Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA
| | - Luigi D. Notarangelo
- Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA
| | - Ottavia M. Delmonte
- Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA
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Stoll C, Dott B, Alembik Y, Roth MP. Associated anomalies in anophthalmia and microphthalmia. Eur J Med Genet 2024; 67:104892. [PMID: 38110175 DOI: 10.1016/j.ejmg.2023.104892] [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: 08/17/2023] [Revised: 11/07/2023] [Accepted: 11/25/2023] [Indexed: 12/20/2023]
Abstract
Infants with anophthalmia and microphthalmia (an/microphthalmia) have often other associated congenital anomalies. The reported frequency and the types of these associated anomalies vary between different studies. The purpose of this investigation was to assess the frequency and the types of associated anomalies among cases with an/microphthalmia in a geographically well defined population of northeastern France of 387,067 consecutive pregnancies from 1979 to 2007. Of the 98 infants with an/microphthalmia born during this period (prevalence at birth of 2.53 per 10,000), 88.8 % had associated anomalies. Cases with associated anomalies were divided into recognizable conditions (25 (25.5%) cases with chromosomal and 17 (17.3%) cases with non chromosomal conditions), and non recognizable conditions (45-45.9%- cases with multiple congenital anomalies -MCA). Trisomy 13 and trisomy 18 were the most frequent chromosomal abnormalities. Amniotic bands sequence, oculo-auriculo-vertebral spectrum, CHARGE syndrome and VACTERL association were most often present in recognizable non chromosomal conditions. Anomalies in the musculoskeletal, cardiovascular and central nervous systems were the most common other anomalies in cases with MCA and non recognizable conditions. However, given the limitation of the limited numbers of cases there should be urging caution in interpreting these results. In conclusion the frequency of associated anomalies in infants with anophthalmia and microphthalmia emphasizes the need for a thorough investigation of these cases. Routine screening for other anomalies especially musculoskeletal, cardiac and central nervous systems anomalies may need to be considered in infants with anophthalmia and microphthalmia, and referral of these cases for genetic counselling seems warranty.
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Affiliation(s)
- Claude Stoll
- Laboratoire de Genetique Medicale, Faculte de Medecine, Strasbourg, France.
| | - Beatrice Dott
- Laboratoire de Genetique Medicale, Faculte de Medecine, Strasbourg, France
| | - Yves Alembik
- Laboratoire de Genetique Medicale, Faculte de Medecine, Strasbourg, France
| | - Marie-Paule Roth
- Laboratoire de Genetique Medicale, Faculte de Medecine, Strasbourg, France
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Tırmıkçıoğlu Z, Tatlıparmak A. Face-to-face: isotretinoin use and pregnancy outcome. Int J Dermatol 2024; 63:232-238. [PMID: 38095245 DOI: 10.1111/ijd.16953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Revised: 09/15/2023] [Accepted: 11/21/2023] [Indexed: 01/19/2024]
Abstract
Isotretinoin has been used to treat severe acne for more than 40 years. There are no accurate data on the absolute risk of potential teratogenicity to all fetuses exposed to isotretinoin. According to current guidelines, isotretinoin should be discontinued at least 1 month before pregnancy. This study enrolled pregnant women who contacted the Clinical Pharmacology and Toxicology Unit for individual drug risk assessment between 2016 and 2020. Data on maternal characteristics and isotretinoin exposures were obtained at first consultation. After delivery, follow-up calls were conducted using a structured questionnaire. Of 2,323 pregnant women consulted, 1.3% (31/2,323) had systemic isotretinoin exposure during and before pregnancy. Of 31 prospectively followed pregnancies, eight terminated electively. Most elective terminations (7/8) were performed because of the fear of fetal malformation. The majority of continued pregnancies (16/23) resulted in healthy live birth. There were no major birth defects. In six pregnancies, intrauterine deaths (three first trimester, three second trimester) were reported. Cesarean section was performed in 70.5% (12/17) of all deliveries. The median gestational age at birth was 39, and no preterm births were reported. Local isotretinoin treatments in six cases were evaluated and presented additionally, and all babies were born healthy. Based on the results of this study, there was no evidence of major birth defect, mental disorder, or retinoid embryopathy associated with the use of isotretinoin in pregnancy. Not local use, but systemic exposure to isotretinoin is of great concern that results in pregnancy termination.
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Affiliation(s)
- Zeynep Tırmıkçıoğlu
- Clinical Pharmacology and Toxicology Unit, Izmir Ataturk Research Hospital, Izmir, Turkey
| | - Aslı Tatlıparmak
- Department of Dermatology, Faculty of Medicine, Usküdar University, Istanbul, Turkey
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Lee WH, Kim W. Self-assembled hyaluronic acid nanoparticles for the topical treatment of inflammatory skin diseases: Beyond drug carriers. J Control Release 2024; 366:114-127. [PMID: 38145664 DOI: 10.1016/j.jconrel.2023.12.026] [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: 10/25/2023] [Revised: 12/10/2023] [Accepted: 12/17/2023] [Indexed: 12/27/2023]
Abstract
Inflammatory skin diseases represent a significant health concern, affecting approximately 20-25% of the global population. These conditions not only reduce an individual's quality of life but also impose a huge burden on both humanity and society. However, addressing these challenges is hindered by their chronic nature, insufficient therapeutic effectiveness, and the propensity for recurrence and adverse side effects. Hyaluronic acid (HA) has emerged as a potential solution to these barriers, owing to its excellent attributes such as biocompatibility, non-toxicity, and targeted drug delivery. However, its practical application has been limited because endogenous hyaluronidase (HYAL) rapidly degrades HA in inflamed skin thus reducing its ability to penetrate deep into the skin. Interestingly, recent research has expanded the role of self-assembled HA-nanoparticles (HA-NPs) beyond drug carriers; they are resistant to HYAL, thereby enabling deep skin penetration, and possess inherent anti-inflammatory properties. Moreover, these abilities can be fine-tuned depending on the conditions during particle synthesis. Additionally, their role as a drug delivery system holds potential for use as a multi-target drug or hybrid drug. In conclusion, this review aims to specifically introduce and highlight the emerging potential of HA-NPs as a topical treatment for inflammatory skin conditions.
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Affiliation(s)
- Wang Hee Lee
- Department of Molecular Science & Technology, Ajou University, Suwon 16499, Republic of Korea
| | - Wook Kim
- Department of Molecular Science & Technology, Ajou University, Suwon 16499, Republic of Korea.
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Louchet M, Collier M, Beeker N, Mandelbrot L, Sibiude J, Chouchana L, Treluyer JM. Trends in harmful drug exposure during pregnancy in France between 2013 and 2019: A nationwide cohort study. PLoS One 2024; 19:e0295897. [PMID: 38198446 PMCID: PMC10781191 DOI: 10.1371/journal.pone.0295897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Accepted: 12/01/2023] [Indexed: 01/12/2024] Open
Abstract
OBJECTIVE Describe the trends of exposure to harmful drugs during pregnancy over recent years in France. DESIGN Nationwide cohort study. SETTING The French National administrative health Data System (SNDS). POPULATION Pregnancies starting between 2013 and 2019 and outcomes corresponding to live births, medical terminations of pregnancy, and stillbirths. METHODS Each pregnancy was divided into a preconceptional period of 90 days before conception and three trimesters from conception to birth. Harmful drugs were defined according to their risks to the fetus: teratogenicity or fetotoxicity. Exposure was defined using the critical period during pregnancy for each type of harmful drug: preconceptional period or first trimester for teratogenic drugs and second or third trimesters for fetotoxic drugs. MAIN OUTCOME MEASURES Prevalence of pregnancies exposed to at least one harmful drug. RESULTS Among 5,253,284 pregnancies, 204,402 (389 per 10,000) pregnancies were exposed to at least one harmful drug during the critical periods: 48,326 (92 per 10,000) pregnancies were exposed to teratogenic drugs during the preconceptional period or the first trimester, and 155,514 (299 per 10,000) pregnancies were exposed to fetotoxic drugs during the second or third trimesters. Teratogenic drugs were mainly retinoids for topical use (44 per 10,000 pregnancies), antiepileptics (13 per 10,000 pregnancies) and statins (13 per 10,000 pregnancies). Fetotoxic drugs were mainly non-steroidal anti-inflammatory drugs (NSAIDs), for systemic (128 per 10,000 pregnancies) and topical use (122 per 10,000 pregnancies). Exposure to teratogenic drugs decreased from the preconceptional period to the first trimester. Exposure to fetotoxic drugs decreased from the second to the third trimester. Between 2013 and 2019, we found a decrease in harmful drug exposure overall, mainly for topical and systemic NSAIDs and for topical retinoids. CONCLUSIONS In this nationwide study, about one in 25 pregnancies was exposed to at least one harmful drug, mainly NSAIDs and topical retinoids. Although the prevalence of harmful drug exposure decreased over the study period, NSAID exposure in the second and third trimester remains of concern.
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Affiliation(s)
- Margaux Louchet
- UPR7323 “Pharmacology and Drug Evaluatioán in Children and Pregnant Women”, Université Paris Cité, Paris, Île-de-France, France
- Fédération Hospitalo-Universitaire PREMA, Université Paris Cité, Paris, Île-de-France, France
| | - Mathis Collier
- UPR7323 “Pharmacology and Drug Evaluatioán in Children and Pregnant Women”, Université Paris Cité, Paris, Île-de-France, France
- Clinical Research Unit, Université de Paris CIC P1419, Assistance Publique-Hôpitaux de Paris, Paris, Île-de-France, France
| | - Nathanaël Beeker
- UPR7323 “Pharmacology and Drug Evaluatioán in Children and Pregnant Women”, Université Paris Cité, Paris, Île-de-France, France
- Clinical Research Unit, Université de Paris CIC P1419, Assistance Publique-Hôpitaux de Paris, Paris, Île-de-France, France
| | - Laurent Mandelbrot
- Department of Obstetrics and Gynecology, Louis Mourier Hospital, Assistance Publique-Hôpitaux de Paris, Paris, Île-de-France, France
- INSERM Infection, Antimicrobials, Modelling, Evolution U1137, Université Paris Cité, Paris, Île-de-France, France
| | - Jeanne Sibiude
- Department of Obstetrics and Gynecology, Louis Mourier Hospital, Assistance Publique-Hôpitaux de Paris, Paris, Île-de-France, France
- INSERM Infection, Antimicrobials, Modelling, Evolution U1137, Université Paris Cité, Paris, Île-de-France, France
| | - Laurent Chouchana
- UPR7323 “Pharmacology and Drug Evaluatioán in Children and Pregnant Women”, Université Paris Cité, Paris, Île-de-France, France
- Department of Perinatal Pediatric and Adult Pharmacology, Regional Pharmacovigilance Center, Cochin Hospital, Assistance Publique-Hôpitaux de Paris, Paris, Île-de-France, France
| | - Jean Marc Treluyer
- UPR7323 “Pharmacology and Drug Evaluatioán in Children and Pregnant Women”, Université Paris Cité, Paris, Île-de-France, France
- Clinical Research Unit, Université de Paris CIC P1419, Assistance Publique-Hôpitaux de Paris, Paris, Île-de-France, France
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Yi K, Wang W, Zhang X, Dong X, Fan Z, Ma Y, Gao J, Li X, You T. Association between NOS3 gene polymorphisms and genetic susceptibility to congenital heart Disease: A systematic review and meta-analysis. Cytokine 2024; 173:156415. [PMID: 37952311 DOI: 10.1016/j.cyto.2023.156415] [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: 07/08/2023] [Revised: 10/08/2023] [Accepted: 10/31/2023] [Indexed: 11/14/2023]
Abstract
BACKGROUND Endothelial nitric oxide (NO) produced by endothelial Nitric Oxide Synthase (eNOS) can promote the expression of pro-angiogenic cytokines and is favorable for angiogenesis. However, the relationship between NOS3 gene polymorphisms and genetic susceptibility to congenital heart disease (CHD) was still unclear. METHODS We searched five databases including Pubmed, Cochrane Library, Embase, Web of Science, CNKI, and Wan Fang, to find all studies on NOS3 gene polymorphisms and CHD. Rstudio was used to merge the data included in the study to obtain OR, 95%CI, and forest plots. RESULTS Five relevant literatures were included, including three sites of NOS3 gene, rs1799983 (G894T), rs2070744 (T-786C), and rs7830 (G10T). Several models including the homozygous model of rs1799983 (G894T) gene polymorphism (TT VS GG: OR = 1.602, 95%CI: 1.098 ∼ 2.337, P = 0.027), rs7830 (G10T) gene polymorphism allele model (A VS C: OR = 1.171, 95%CI: 1.029 ∼ 1.333, P = 0.017), homozygous model (AA VS CC: OR = 1.474, 95%CI: 1.122 ∼ 1.936, P = 0.005) and implicit model (AA VS CC + AC: OR = 1.451, 95%CI: 1.133 ∼ 1.859, P = 0.003) indicated that there was a correlation. The results of the combined analysis of each gene model of rs2070744 (T-786C) gene polymorphism sites were not statistically significant, and their P values were all>0.05. CONCLUSION rs1799983 (G894T) and rs7830 (G10T) polymorphic sites might play a role in the susceptibility of sporadic congenital heart disease and increase the risk of CHD. Yet, it is still necessary to expand the sample size and conduct more prospective/retrospective studies to confirm whether the rs2070744 (T-786C) polymorphism tended to increase the incidence of CHD.
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Affiliation(s)
- Kang Yi
- Department of Cardiovascular Surgery, Gansu Provincial Hospital, Lanzhou, Gansu, China; Gansu International Scientific and Technological Cooperation Base of Diagnosis and Treatment of Congenital Heart Disease, Lanzhou, Gansu, China
| | - Wei Wang
- Gansu International Scientific and Technological Cooperation Base of Diagnosis and Treatment of Congenital Heart Disease, Lanzhou, Gansu, China; Department of Cardiac Surgery, The First Hospital of China Medical University, Shenyang, Liaoning, China
| | - Xin Zhang
- Department of Cardiovascular Surgery, Gansu Provincial Hospital, Lanzhou, Gansu, China; Gansu International Scientific and Technological Cooperation Base of Diagnosis and Treatment of Congenital Heart Disease, Lanzhou, Gansu, China; The First School of Clinical Medical of Gansu University of Chinese Medicine, Lanzhou, Gansu, China
| | - Xin Dong
- Gansu International Scientific and Technological Cooperation Base of Diagnosis and Treatment of Congenital Heart Disease, Lanzhou, Gansu, China; Department of Ultrasound, Gansu Provincial Hospital, Lanzhou, Gansu, China
| | - Zhengye Fan
- Gansu International Scientific and Technological Cooperation Base of Diagnosis and Treatment of Congenital Heart Disease, Lanzhou, Gansu, China; Department of Cardiothoracic Surgery, The First People's Hospital of Longnan, Gansu, China
| | - Yuhu Ma
- Gansu International Scientific and Technological Cooperation Base of Diagnosis and Treatment of Congenital Heart Disease, Lanzhou, Gansu, China; Department of Neurosurgery, West China Hospital of Sichuan University, Chengdu, China
| | - Jie Gao
- Gansu International Scientific and Technological Cooperation Base of Diagnosis and Treatment of Congenital Heart Disease, Lanzhou, Gansu, China; Department of Pediatrics, First Affiliated Hospital of SunYat-sen University, Guangzhou, China
| | - Xinyao Li
- Gansu International Scientific and Technological Cooperation Base of Diagnosis and Treatment of Congenital Heart Disease, Lanzhou, Gansu, China; Center of Reproductive Medicine, Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Tao You
- Department of Cardiovascular Surgery, Gansu Provincial Hospital, Lanzhou, Gansu, China; Gansu International Scientific and Technological Cooperation Base of Diagnosis and Treatment of Congenital Heart Disease, Lanzhou, Gansu, China.
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Edri T, Cohen D, Shabtai Y, Fainsod A. Alcohol induces neural tube defects by reducing retinoic acid signaling and promoting neural plate expansion. Front Cell Dev Biol 2023; 11:1282273. [PMID: 38116205 PMCID: PMC10728305 DOI: 10.3389/fcell.2023.1282273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Accepted: 11/22/2023] [Indexed: 12/21/2023] Open
Abstract
Introduction: Neural tube defects (NTDs) are among the most debilitating and common developmental defects in humans. The induction of NTDs has been attributed to abnormal folic acid (vitamin B9) metabolism, Wnt and BMP signaling, excess retinoic acid (RA), dietary components, environmental factors, and many others. In the present study we show that reduced RA signaling, including alcohol exposure, induces NTDs. Methods: Xenopus embryos were exposed to pharmacological RA biosynthesis inhibitors to study the induction of NTDs. Embryos were treated with DEAB, citral, or ethanol, all of which inhibit the biosynthesis of RA, or injected to overexpress Cyp26a1 to reduce RA. NTD induction was studied using neural plate and notochord markers together with morphological analysis. Expression of the neuroectodermal regulatory network and cell proliferation were analyzed to understand the morphological malformations of the neural plate. Results: Reducing RA signaling levels using retinaldehyde dehydrogenase inhibitors (ethanol, DEAB, and citral) or Cyp26a1-driven degradation efficiently induce NTDs. These NTDs can be rescued by providing precursors of RA. We mapped this RA requirement to early gastrula stages during the induction of neural plate precursors. This reduced RA signaling results in abnormal expression of neural network genes, including the neural plate stem cell maintenance genes, geminin, and foxd4l1.1. This abnormal expression of neural network genes results in increased proliferation of neural precursors giving rise to an expanded neural plate. Conclusion: We show that RA signaling is required for neural tube closure during embryogenesis. RA signaling plays a very early role in the regulation of proliferation and differentiation of the neural plate soon after the induction of neural progenitors during gastrulation. RA signaling disruption leads to the induction of NTDs through the mis regulation of the early neuroectodermal network, leading to increased proliferation resulting in the expansion of the neural plate. Ethanol exposure induces NTDs through this mechanism involving reduced RA levels.
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Affiliation(s)
| | | | | | - Abraham Fainsod
- Department of Developmental Biology and Cancer Research, Institute for Medical Research Israel-Canada, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
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Alay MT, Kalayci A, Seven M. A new perspective on isotretinoin in pregnancy: Pregnancy outcomes, evaluation of complex phenotypes, and importance of teratological counselling. Eur J Obstet Gynecol Reprod Biol 2023; 291:148-155. [PMID: 37890418 DOI: 10.1016/j.ejogrb.2023.10.024] [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: 06/03/2023] [Revised: 09/23/2023] [Accepted: 10/17/2023] [Indexed: 10/29/2023]
Abstract
OBJECTIVES Teratogens are responsible for 5% of all known causes of congenital anomalies. Isotretinoin, a retinoic acid-derived agent, leads to congenital anomalies in 21-52% of cases when exposure occurs during pregnancy according to studies conducted before 2006. However, rates of congenital anomalies were much lower in later studies. The purpose of this study was to investigate the rates of congenital anomalies in isotretinoin exposure during pregnancy, isotretinoin exposure before pregnancy, and a control group unexposed to any teratogenic agents. STUDY DESIGN In this cohort study, we divided pregnant women admitted to our center between 2009 and 2020 into two groups: isotretinoin exposure before and during the pregnancy (n = 77) and isotretinoin exposure before the pregnancy (n = 75). We selected the control group from among the non-teratogen exposed pregnant women with a simple random sampling method. Obstetricians calculated the ages of all pregnancies via ultrasound (USG) (crown-rump diameter for the first trimester; biparietal diameter and femur length for the second trimester). After birth, a pediatric genetics specialist examined all babies. Whole-exome sequencing (WES) was conducted on the babies who displayed complex phenotypes. RESULTS Among the isotretinoin exposure before and during the pregnancy, isotretinoin exposure before the pregnancy, and the control groups, there were statistically significant differences in live births (respectively, 64.3 %, 88 %, 93.3 %), congenital anomalies (respectively, 28.6 %, 6.1 %, 1.4 %), miscarriages (respectively, 13 %, 2.7 %, 4 %), terminations (respectively, 32.5 %, 9.3 %, 2.7 %), and premature births (11.9 %, 16.7 %, 2.9 %) (respectively, p < 0.001, p < 0.001, p = 0.014, p < 0.001). We detected novel phenotypical features in five patients. CONCLUSIONS Our study demonstrated that study design, long-term follow-up, teratological counseling, and implementation of advanced molecular analysis in complex phenotypes with novel phenotypical features are beneficial for understanding the association of congenital anomalies with isotretinoin exposure. While evaluating congenital anomalies, we detected statistically significant differences between isotretinoin exposure before and during the pregnancy vs control, but we did not detect any statistically significant differences between isotretinoin exposure before the pregnancy and controls. Another finding of the study is that WES might be an efficient way to evaluate complex phenotypes in isotretinoin-exposed babies; however, further research is required.
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Affiliation(s)
- Mustafa Tarık Alay
- Department of Medical Genetics, Istanbul University-Cerrahpasa, Cerrahpasa Medical Faculty, Istanbul, Turkey
| | - Aysel Kalayci
- Department of Medical Genetics, Istanbul University-Cerrahpasa, Cerrahpasa Medical Faculty, Istanbul, Turkey
| | - Mehmet Seven
- Department of Medical Genetics, Istanbul University-Cerrahpasa, Cerrahpasa Medical Faculty, Istanbul, Turkey.
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Robson CD. Conductive Hearing Loss in Children. Neuroimaging Clin N Am 2023; 33:543-562. [PMID: 37741657 DOI: 10.1016/j.nic.2023.05.006] [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] [Indexed: 09/25/2023]
Abstract
A variety of congenital and acquired disorders result in pediatric conductive hearing loss. Malformations of the external auditory canal are invariably associated with malformations of the middle ear space and ossicles. Isolated ossicular malformations are uncommon. Syndromes associated with external and middle ear malformations are frequently associated with abnormal development of first and second pharyngeal arch derivatives. Chronic inflammatory disorders include cholesteatoma, cholesterol granuloma, and tympanosclerosis.
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Affiliation(s)
- Caroline D Robson
- Department of Radiology, Boston Children's Hospital, Harvard Medical School, 300 Longwood Avenue, Boston, MA 02115, USA.
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Jarab AS, Al-Azzam SI, Al-Mutairi S, Abu Heshmeh S, Mukattash TL, AL-Qerem W, Beiram R, Aburuz S. Community pharmacists' knowledge and awareness about isotretinoin therapy and its dispensing practice in Jordan. Heliyon 2023; 9:e22354. [PMID: 38053915 PMCID: PMC10694323 DOI: 10.1016/j.heliyon.2023.e22354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 11/09/2023] [Accepted: 11/09/2023] [Indexed: 12/07/2023] Open
Abstract
A validated self-reported questionnaire was used to evaluate pharmacists' knowledge about isotretinoin and their awareness of isotretinoin dispensing practice. The majority were not able to recognize the initial dose of isotretinoin, the potential side effects such as dyslipidemia and liver toxicity, the potential interaction with tetracycline and Vitamin A and the contraindications of isotretinoin. Around 41.3 % of the pharmacists dispensed isotretinoin without a prescription, and the majority did not recognize that isotretinoin should be dispensed for only 30 days, should not be dispensed without an emphasis on the appropriate indication, and did not know the appropriate duration of isotretinoin therapy. Male gender and postgraduate degree were associated with better awareness, while increased work experience and postgraduate degree were associated with better knowledge about isotretinoin therapy. Nevertheless, both male and female pharmacists demonstrated equivalent knowledge levels. The current study demonstrates the need to implement educational programs to improve pharmacists' knowledge and awareness about isotretinoin and its dispensing practice.
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Affiliation(s)
- Anan S. Jarab
- Department of Clinical Pharmacy, Faculty of Pharmacy, Jordan University of Science and Technology, P.O. Box 3030, Irbid, 22110, Jordan
- College of Pharmacy, Al Ain University, Abu Dhabi, United Arab Emirates
| | - Sayer I. Al-Azzam
- Department of Clinical Pharmacy, Faculty of Pharmacy, Jordan University of Science and Technology, P.O. Box 3030, Irbid, 22110, Jordan
| | | | - Shrouq Abu Heshmeh
- Department of Clinical Pharmacy, Faculty of Pharmacy, Jordan University of Science and Technology, P.O. Box 3030, Irbid, 22110, Jordan
| | - Tareq L. Mukattash
- Department of Clinical Pharmacy, Faculty of Pharmacy, Jordan University of Science and Technology, P.O. Box 3030, Irbid, 22110, Jordan
| | - Walid AL-Qerem
- Department of Pharmacy, Faculty of Pharmacy, Al-Zaytoonah University of Jordan, P.O. Box 130, Amman, 11733, Jordan
| | - Rami Beiram
- Department of Pharmacology and Therapeutics, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain, United Arab Emirates
| | - Salah Aburuz
- Department of Pharmacology and Therapeutics, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain, United Arab Emirates
- Department of Clinical Pharmacy, Faculty of Pharmacy, The University of Jordan, Amman, Jordan
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13
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Song C, Li T, Zhang C, Li S, Lu S, Zou Y. RA-induced prominence-specific response resulted in distinctive regulation of Wnt and osteogenesis. Life Sci Alliance 2023; 6:e202302013. [PMID: 37541848 PMCID: PMC10403638 DOI: 10.26508/lsa.202302013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Revised: 07/24/2023] [Accepted: 07/27/2023] [Indexed: 08/06/2023] Open
Abstract
Proper retinoic acid (RA) signaling is essential for normal craniofacial development. Both excessive RA and RA deficiency in early embryonic stage may lead to a variety of craniofacial malformations, for example, cleft palate, which have been investigated extensively. Dysregulated Wnt and Shh signaling were shown to underlie the pathogenesis of RA-induced craniofacial defects. In our present study, we showed a spatiotemporal-specific effect of RA signaling in regulating early development of facial prominences. Although inhibited Wnt activities was observed in E12.5/E13.5 mouse palatal shelves, early exposure of excessive RA induced Wnt signaling and Wnt-related gene expression in E11.5/E12.5 mouse embryonic frontonasal/maxillary processes. A conserved regulatory network of miR-484-Fzd5 was identified to play critical roles in RA-regulated craniofacial development using RNA-seq. In addition, subsequent osteogenic/chondrogenic differentiation were differentially regulated in discrete mouse embryonic facial prominences in response to early RA induction, demonstrated using both in vitro and in vivo analyses.
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Affiliation(s)
- Chao Song
- The Key Laboratory of Virology of Guangzhou, Jinan University, Guangzhou, China
| | - Ting Li
- The Key Laboratory of Virology of Guangzhou, Jinan University, Guangzhou, China
| | - Chunlei Zhang
- First Affiliated Hospital, Jinan University, Guangzhou, China
| | - Shufang Li
- The Key Laboratory of Virology of Guangzhou, Jinan University, Guangzhou, China
| | - Songhui Lu
- Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai, China
| | - Yi Zou
- The Key Laboratory of Virology of Guangzhou, Jinan University, Guangzhou, China
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14
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Wilkes C, Graetz M, Downie L, Bethune M, Chong D. Prenatal diagnosis of cleft lip and/or palate: What do we tell prospective parents? Prenat Diagn 2023; 43:1310-1319. [PMID: 37552068 DOI: 10.1002/pd.6418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Revised: 07/22/2023] [Accepted: 07/24/2023] [Indexed: 08/09/2023]
Abstract
Cleft lip and/or palate (CL/CP) is the most common congenital craniofacial anomaly and parents often ask, "how did this happen?" Patients and families may benefit from access to a multidisciplinary team (MDT) from prenatal diagnosis into early adulthood. Multiple factors can contribute to the development of a cleft. We discuss the epidemiology and risk factors that increase the likelihood of having a newborn with a cleft. The purpose of this article is to review the prenatal investigations involved in the diagnosis and workup of these patients in addition to postpartum treatment, prognostic factors, and counseling families regarding future recurrence risk.
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Affiliation(s)
- Courtney Wilkes
- Department of Plastic and Maxillofacial Surgery, The Royal Children's Hospital, Melbourne, Victoria, Australia
| | - Melissa Graetz
- Department of Genetics, Mercy Hospital for Women, Melbourne, Victoria, Australia
| | - Lilian Downie
- Department of Genetics, Mercy Hospital for Women, Melbourne, Victoria, Australia
| | - Michael Bethune
- Department of Medical Imaging and Perinatal Medicine, The Mercy Hospital for Women, Melbourne, Victoria, Australia
- Specialist Women's Ultrasound, Melbourne, Victoria, Australia
| | - David Chong
- Department of Plastic and Maxillofacial Surgery, The Royal Children's Hospital, Melbourne, Victoria, Australia
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15
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Ding RL, Zheng Y, Bu J. Physiological and Psychological Effects of Isotretinoin in the Treatment of Patients with Acne: A Narrative Review. Clin Cosmet Investig Dermatol 2023; 16:1843-1854. [PMID: 37483471 PMCID: PMC10362870 DOI: 10.2147/ccid.s416267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Accepted: 07/08/2023] [Indexed: 07/25/2023]
Abstract
Isotretinoin (ISO) is a powerful vitamin A derivative that offers the potential for treatment of permanent remission of acne; however, its potential side effects on both physiological and psychological aspects limit its application. This article reviews the side effects of ISO from physiological and psychological aspects in detail, to better screen the suitable population of ISO and improve the efficiency of clinical treatment. Our findings indicate that ISO may cause teratogenicity, skin reactions, ocular reactions, changes in blood indicators, and occasional acne fulminans. To optimize clinical treatment, more attention should be paid to identifying the specific conditions under which these reactions occur, how severe they are, and how they subside to alleviate patient concerns. Regarding the controversial issue of psychological side effects caused by ISO, researchers should shift their focus to the psychological problems that acne itself may cause.
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Affiliation(s)
- Rui-Lian Ding
- Hospital for Skin Disease, Institute of Dermatology, Chinese Academy of Medical Sciences & Peking Union Medical College, Nanjing, Jiangsu, People’s Republic of China
| | - Yu Zheng
- Hospital for Skin Disease, Institute of Dermatology, Chinese Academy of Medical Sciences & Peking Union Medical College, Nanjing, Jiangsu, People’s Republic of China
| | - Jin Bu
- Hospital for Skin Disease, Institute of Dermatology, Chinese Academy of Medical Sciences & Peking Union Medical College, Nanjing, Jiangsu, People’s Republic of China
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16
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Thielen E, Oria M, Watanabe-Chailland M, Lampe K, Romick-Rosendale L, Peiro JL. Non-Targeted Metabolic Profiling of Cerebellum in Spina Bifida Fetal Rats. Metabolites 2023; 13:metabo13050670. [PMID: 37233711 DOI: 10.3390/metabo13050670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 05/12/2023] [Accepted: 05/17/2023] [Indexed: 05/27/2023] Open
Abstract
Spina bifida, known more commonly as myelomeningocele, is a neural tube defect that results in herniation of the cerebellum through the foramen magnum into the central canal as part of the Chiari II malformation. Effects stemming from the herniated cerebellum and its metabolic profile have not been extensively studied. The objective of this study is to examine the metabolic effects of this disease on the cerebellum in utero through the utilization of a retinoid acid-induced Spina bifida rat model. Analysis of this model at mid-late (day 15) and term (day 20) of gestation in comparison to both non-exposed and retinoic acid-exposed non-myelomeningocele controls, the observed metabolic changes suggest that mechanisms of oxidative stress and energy depletion are at play in this neuro tissue. These notable mechanisms are likely to result in further damage to neural tissue as the fetus grows and the compressed cerebellum develops and herniates more due to myelomeningocele.
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Affiliation(s)
- Evan Thielen
- The Center for Fetal and Placental Research, Division of Pediatric General and Thoracic Surgery, Cincinnati Children's Hospital Medical Center (CCHMC), Cincinnati, OH 45229, USA
| | - Marc Oria
- The Center for Fetal and Placental Research, Division of Pediatric General and Thoracic Surgery, Cincinnati Children's Hospital Medical Center (CCHMC), Cincinnati, OH 45229, USA
- Department of Surgery, College of Medicine, University of Cincinnati, Cincinnati, OH 45267, USA
| | - Miki Watanabe-Chailland
- NMR-Based Metabolomics Core, Division of Pathology and Laboratory Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Kristin Lampe
- The Center for Fetal and Placental Research, Division of Pediatric General and Thoracic Surgery, Cincinnati Children's Hospital Medical Center (CCHMC), Cincinnati, OH 45229, USA
| | - Lindsey Romick-Rosendale
- NMR-Based Metabolomics Core, Division of Pathology and Laboratory Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Jose L Peiro
- The Center for Fetal and Placental Research, Division of Pediatric General and Thoracic Surgery, Cincinnati Children's Hospital Medical Center (CCHMC), Cincinnati, OH 45229, USA
- Department of Surgery, College of Medicine, University of Cincinnati, Cincinnati, OH 45267, USA
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17
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Kocere A, Lalonde RL, Mosimann C, Burger A. Lateral thinking in syndromic congenital cardiovascular disease. Dis Model Mech 2023; 16:dmm049735. [PMID: 37125615 PMCID: PMC10184679 DOI: 10.1242/dmm.049735] [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: 05/02/2023] Open
Abstract
Syndromic birth defects are rare diseases that can present with seemingly pleiotropic comorbidities. Prime examples are rare congenital heart and cardiovascular anomalies that can be accompanied by forelimb defects, kidney disorders and more. Whether such multi-organ defects share a developmental link remains a key question with relevance to the diagnosis, therapeutic intervention and long-term care of affected patients. The heart, endothelial and blood lineages develop together from the lateral plate mesoderm (LPM), which also harbors the progenitor cells for limb connective tissue, kidneys, mesothelia and smooth muscle. This developmental plasticity of the LPM, which founds on multi-lineage progenitor cells and shared transcription factor expression across different descendant lineages, has the potential to explain the seemingly disparate syndromic defects in rare congenital diseases. Combining patient genome-sequencing data with model organism studies has already provided a wealth of insights into complex LPM-associated birth defects, such as heart-hand syndromes. Here, we summarize developmental and known disease-causing mechanisms in early LPM patterning, address how defects in these processes drive multi-organ comorbidities, and outline how several cardiovascular and hematopoietic birth defects with complex comorbidities may be LPM-associated diseases. We also discuss strategies to integrate patient sequencing, data-aggregating resources and model organism studies to mechanistically decode congenital defects, including potentially LPM-associated orphan diseases. Eventually, linking complex congenital phenotypes to a common LPM origin provides a framework to discover developmental mechanisms and to anticipate comorbidities in congenital diseases affecting the cardiovascular system and beyond.
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Affiliation(s)
- Agnese Kocere
- University of Colorado School of Medicine, Anschutz Medical Campus, Department of Pediatrics, Section of Developmental Biology, Aurora, CO 80045, USA
- Department of Molecular Life Science, University of Zurich, 8057 Zurich, Switzerland
| | - Robert L. Lalonde
- University of Colorado School of Medicine, Anschutz Medical Campus, Department of Pediatrics, Section of Developmental Biology, Aurora, CO 80045, USA
| | - Christian Mosimann
- University of Colorado School of Medicine, Anschutz Medical Campus, Department of Pediatrics, Section of Developmental Biology, Aurora, CO 80045, USA
| | - Alexa Burger
- University of Colorado School of Medicine, Anschutz Medical Campus, Department of Pediatrics, Section of Developmental Biology, Aurora, CO 80045, USA
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18
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Manning S, Kuhn D. Spontaneous and Complicated Therapeutic Abortion in the Emergency Department. Emerg Med Clin North Am 2023; 41:295-305. [PMID: 37024165 DOI: 10.1016/j.emc.2022.12.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/07/2023]
Abstract
Pregnancy-related emergency department visits are common in the United States. Although typically managed safely in the outpatient setting, patients with spontaneous abortion may also present with life-threatening hemorrhage or infection. Management strategies for spontaneous abortion are similarly wide-ranging from expectant management to emergent surgical intervention. Surgical management of complicated therapeutic abortion is similar to that of spontaneous abortion. The dramatic changes in the legal status of abortion in the United States may have significant influence on the incidence of complicated therapeutic abortion, and we encourage emergency physicians to familiarize themselves with the diagnosis and management of these conditions.
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19
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Hawkins MR, Wingert RA. Zebrafish as a Model to Study Retinoic Acid Signaling in Development and Disease. Biomedicines 2023; 11:biomedicines11041180. [PMID: 37189798 DOI: 10.3390/biomedicines11041180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 04/06/2023] [Accepted: 04/13/2023] [Indexed: 05/17/2023] Open
Abstract
Retinoic acid (RA) is a metabolite of vitamin A (retinol) that plays various roles in development to influence differentiation, patterning, and organogenesis. RA also serves as a crucial homeostatic regulator in adult tissues. The role of RA and its associated pathways are well conserved from zebrafish to humans in both development and disease. This makes the zebrafish a natural model for further interrogation into the functions of RA and RA-associated maladies for the sake of basic research, as well as human health. In this review, we explore both foundational and recent studies using zebrafish as a translational model for investigating RA from the molecular to the organismal scale.
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Affiliation(s)
- Matthew R Hawkins
- Department of Biological Sciences, Center for Stem Cells and Regenerative Medicine, Center for Zebrafish Research, Boler-Parseghian Center for Rare and Neglected Diseases, Warren Center for Drug Discovery, University of Notre Dame, Notre Dame, IN 46556, USA
| | - Rebecca A Wingert
- Department of Biological Sciences, Center for Stem Cells and Regenerative Medicine, Center for Zebrafish Research, Boler-Parseghian Center for Rare and Neglected Diseases, Warren Center for Drug Discovery, University of Notre Dame, Notre Dame, IN 46556, USA
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20
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Kridin K, Ludwig RJ. Isotretinoin and the risk of inflammatory bowel disease and irritable bowel syndrome: A large-scale global study. J Am Acad Dermatol 2023; 88:824-830. [PMID: 36529376 DOI: 10.1016/j.jaad.2022.12.015] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2022] [Revised: 12/05/2022] [Accepted: 12/07/2022] [Indexed: 12/16/2022]
Abstract
INTRODUCTION Risk of inflammatory bowel disease under isotretinoin is a scope of a long-standing controversy. The burden of isotretinoin-related irritable bowel syndrome has not been investigated. OBJECTIVE To evaluate the risk of Crohn's disease, ulcerative colitis (UC), and irritable bowel syndrome in patients with acne starting isotretinoin vs oral antibiotics treatment. METHODS A global population-based retrospective cohort study assigned 2 groups of patients with acne initiating isotretinoin (n = 77,005) and oral antibiotics (n = 77,005). Comprehensive propensity-score matching was conducted. RESULTS The lifetime risk of Crohn's disease (hazard ratio [HR], 1.05; 95% CI, 0.89-1.24; P = .583) and UC (HR, 1.13; 95% CI, 0.95-1.34; P = .162) was comparable between study groups, whereas the lifetime risk of irritable bowel syndrome was lower in isotretinoin-prescribed patients (HR, 0.82; 95% CI, 0.76-0.89; P < .001). In time-stratified analysis, isotretinoin-related risk of UC was significantly increased during the first 6 months following drug initiation (HR, 1.93; 95% CI, 1.29-2.88; P = .001), but decreased afterward to level the risk of the comparator group. The absolute risk difference within the first 6 months was clinically marginal (5.0 additional UC cases/10,000 patients starting isotretinoin; 95% CI, 2.5-7.7). LIMITATIONS Retrospective data collection. CONCLUSION Isotretinoin does not confer an elevated risk of Crohn's disease, whilst it might be associated with a slight and transient increase in UC risk.
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Affiliation(s)
- Khalaf Kridin
- Lűbeck Institute of Experimental Dermatology, University of Lübeck, Lübeck, Germany; Azrieli Faculty of Medicine, Bar-Ilan University, Safed, Israel; Unit of Dermatology and Skin Research Laboratory, Barch Padeh Medical Center, Poriya, Israel.
| | - Ralf J Ludwig
- Lűbeck Institute of Experimental Dermatology, University of Lübeck, Lübeck, Germany; Department of Dermatology, University of Lübeck, Lübeck, Germany
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21
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Mamasoula C, Bigirumurame T, Chadwick T, Addor MC, Cavero-Carbonell C, Dias CM, Echevarría-González-de-Garibay LJ, Gatt M, Khoshnood B, Klungsoyr K, Randall K, Stoianova S, Haeusler M, Nelen V, Neville AJ, Perthus I, Pierini A, Bertaut-Nativel B, Rissmann A, Rouget F, Schaub B, Tucker D, Wellesley D, Zymak-Zakutnia N, Barisic I, de Walle HEK, Lanzoni M, Sayers G, Mullaney C, Pennington L, Rankin J. Maternal age and the prevalence of congenital heart defects in Europe, 1995-2015: A register-based study. Birth Defects Res 2023; 115:583-594. [PMID: 36734416 DOI: 10.1002/bdr2.2152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 12/18/2022] [Accepted: 01/10/2023] [Indexed: 02/04/2023]
Abstract
BACKGROUND Evidence on the direction and strength of association between maternal age and the prevalence of congenital heart defects (CHD) in different age group categories is conflicting. Some studies have illustrated different trends with an increase in prevalence in younger and older age groups while other studies have reported a linear relationship. Given the increase in maternal age over recent years, it is important to study the CHD prevalence by maternal age. OBJECTIVES To examine the association between maternal age and the prevalence of CHD in Europe between 1995 and 2015 using population-based data from 24 registries belonging to the European Surveillance of Congenital Anomalies (EUROCAT) network. METHODS Associations over time of all nonsyndromic CHD according to maternal age category and for three CHD severity groupings (severity group I: very severe; severity group II: severe; severity group III: less severe) were examined using Bayesian multilevel Poisson regression modeling. Further subgroup analyses were undertaken within four maternal age-bands: ≤24, 25-29, 30-34 and 35-44 years. Descriptive summaries are also presented. RESULTS There were 51,608 nonsyndromic CHD cases in Europe over the 20-year study period. Total prevalence for all CHD combined was increased for younger mothers (≤24 years) and for mothers 35-44 years of age when compared with mothers aged 25-29 years (reference group) (IRR: 1.05, 95% CI: 1.02, 1.07). The total prevalence was increased for severity group I (very severe) only for younger mothers compared to those aged 25-29 years (IRR: 1.14, 95% CI: 1.04, 1.23). We found an increased prevalence of the following CHD subtypes: double outlet right ventricle (IRR:1.33, 95% CI: 1.09, 1.60), hypoplastic left heart syndrome (IRR: 1.18, 95% CI: 1.05, 1.32), hypoplastic right heart syndrome (IRR: 1.41, 95% CI: 1.05, 1.84), atrioventricular septal defect (IRR: 1.15, 95% CI: 1.01, 1.32), coarctation of aorta (IRR: 1.15, 95% CI: 1.03, 1.28) and atrial septal defect (IRR: 1.08, 95% CI: 1.02, 1.13). For older mothers (35-44 years) compared to the reference category, we observed an increased risk in the prevalence for severity group II (IRR: 1.09, 95% CI: 1.03, 1.14), severity group III (IRR: 1.05, 95% CI: 1.01, 1.08) and an increased prevalence of the CHD subtypes: Pulmonary valve stenosis (IRR: 1.22, 95% CI: 1.09, 1.34), ASD (IRR: 1.07, 95% CI: 1.02, 1.13), CoA (IRR: 1.18, 95% CI: 1.06, 1.32) and Tetralogy of Fallot (IRR: 1.14, 95% CI: 1.01, 1.28). Finally, for all age categories compared to the reference category, different associations of ASD and an increased prevalence of CoA was also observed. CONCLUSIONS Based on data for cases of CHD from 24 European population-based registries, evidence of a positive association between maternal age and the total prevalence of CHD for younger (≤24 years old) and older (35-44 years old) mothers was observed. The results suggest that young maternal age (≤24 years old) is a factor associated with severe CHD phenotypes while a positive association between advanced maternal age (35-44 years old) and mild CHD phenotypes was observed.
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Affiliation(s)
| | | | - Thomas Chadwick
- Population Health Sciences Institute, Newcastle University, Newcastle, UK
| | - Marie-Claude Addor
- Department of Woman-Mother-Child, University Medical Center CHUV, Lausanne, Switzerland
| | - Clara Cavero-Carbonell
- Rare Diseases Research Unit, Foundation for the Promotion of Health and Biomedical Research in the Valencian Region, Valencia, Spain
| | - Carlos M Dias
- Population Health Sciences Institute, Newcastle University, Newcastle, UK
- Epidemiology Department, National Institute of Health Doutor Ricardo Jorge, Lisbon, Portugal
| | - Luis-Javier Echevarría-González-de-Garibay
- Ministry of Health of the Basque Government. Directorate for Healthcare Planning, Organisation and Evaluation, Registries and Health Information Unit, Vitoria-Gasteiz, Spain
| | - Miriam Gatt
- Malta Congenital Anomalies Register, Directorate for Health Information and Research, Pietà, Malta
| | - Babak Khoshnood
- Université de Paris, INSERM U1153, CRESS, Obstetrical Perinatal and Pediatric Epidemiology Research Team (EPOPé), Paris, France
| | - Kari Klungsoyr
- Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway
- Division for Mental and Physical Health, Norwegian Institute of Public Health, Bergen, Norway
| | - Kay Randall
- National Perinatal Epidemiology Unit, Nuffield Department of Population Health, University of Oxford, Oxford, UK
| | - Sylvia Stoianova
- South West Congenital Anomaly Register, Bristol Medical School, University of Bristol, Bristol, UK
| | - Martin Haeusler
- Styrian Malformation Registry, Med. University of Graz, Graz, Austria
| | - Vera Nelen
- Provinciaal Instituut voor Hygiene (PIH), Antwerp, Belgium
| | - Amanda J Neville
- Registro IMER - IMER Registry (Emilia Romagna Registry of Birth Defects), Center for Clinical and Epidemiological Research, University of Ferrara, Ferrara, Italy
| | - Isabelle Perthus
- Auvergne registry of congenital anomalies (CEMC-Auvergne), Department of clinical genetics, Centre de Référence des Maladies Rares, University Hospital of Clermont-Ferrand, Clermont-Ferrand, France
| | - Anna Pierini
- Tuscany Registry of Congenital Defects (RTDC), Institute of Clinical Physiology - National Research Council/ Fondazione Toscana Gabriele Monasterio, Pisa, Italy
| | | | - Anke Rissmann
- Malformation Monitoring Centre Saxony-Anhalt, Medical Faculty Otto-von-Guericke University, Magdeburg, Germany
| | - Florence Rouget
- Brittany Registry of Congenital Anomalies, CHU Rennes, University Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail), Rennes, France
| | - Bruno Schaub
- French West Indies Registry, Registre des Malformations des Antilles (REMALAN), Maison de la Femme de la Mère et de l'Enfant, University Hospital of Martinique, Fort-de-France, France
| | - David Tucker
- CARIS, Public Health Wales, Singleton Hospital, Swansea, UK
| | - Diana Wellesley
- Wessex Clinical Genetics Department, Princess Anne Hospital, Southampton, UK
| | - Natalya Zymak-Zakutnia
- OMNI-Net Ukraine Birth Defects Program and Khmelnytsky City Children's Hospital, Khmelnytsky, Ukraine
| | - Ingeborg Barisic
- Centre of Excellence for Reproductive and Regenerative Medicine, Children's Hospital Zagreb, Medical School University of Zagreb, Zagreb, Croatia
| | - Hermien E K de Walle
- University of Groningen, University Medical Center Groningen, Department of Genetics, Groningen, Netherlands
| | - Monica Lanzoni
- European Commission, Joint Research Centre (JRC), Ispra, Italy
| | - Gerardine Sayers
- Health Service Executive, Dr Steeven's Hospital, Dublin, Ireland
| | - Carmel Mullaney
- Department of Public Health, Service Executive (HSE) South East Area, Limerick, Ireland
| | - Lindsay Pennington
- Population Health Sciences Institute, Newcastle University, Newcastle, UK
| | - Judith Rankin
- Population Health Sciences Institute, Newcastle University, Newcastle, UK
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22
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Liu C, Wang D, Jin L, Zhang J, Meng W, Jin L, Shang X. The relationship between maternal periconceptional micronutrient supplementation and non-syndromic cleft lip/palate in offspring. Birth Defects Res 2023; 115:545-554. [PMID: 36595654 DOI: 10.1002/bdr2.2146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 12/12/2022] [Accepted: 12/21/2022] [Indexed: 01/05/2023]
Abstract
BACKGROUND This study aimed to explore the relationship between maternal periconceptional supplementation with folic acid only (FAO) or with multiple micronutrients containing folic acid (MMFA) and non-syndromic cleft lip/palate in offspring. METHOD The data came from a prenatal health care system and a birth defects surveillance system in Beijing, China, from 2013 to 2018. Information on maternal FAO/MMFA supplementation was collected by questionnaire in the first trimester, and data on cleft lip/palate were collected at delivery or termination of pregnancy. Inverse probability weighting (IPW) by the propensity score to adjust for the confounders and Poisson regression model was used to estimate risk ratios (RRs) and their 95% confidence intervals (CIs). RESULTS A total of 63,969 participants were included in the study. Compared to the no-supplementation group, the adjusted RR for the supplementation group was 0.51 (95% CI: 0.40, 0.64). And the adjusted RRs for FAO and MMFA compared to the no-supplementation group were 0.56 (95% CI: 0.40, 0.76) and 0.48 (95% CI: 0.35, 0.65), respectively. Compared to supplement FAO and MMFA with less than 8 days out of 10 days, the adjusted RRs for FAO and MMFA with 8 or more days out of 10 days were 1.17 (95% CI: 0.78, 1.75), and 2.05 (95% CI: 1.37, 3.31), respectively. CONCLUSION Maternal supplementation with micronutrients, either FAO or MMFA, during the periconceptional period can reduce the risk for non-syndromic cleft lip/palate in offspring. However, women should be more cautious with MMFA supplementation.
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Affiliation(s)
- Chunyi Liu
- Institute of Reproductive and Child Health, National Health Commission Key Laboratory of Reproductive Health, Peking University, Beijing, China.,Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China
| | - Di Wang
- Institute of Reproductive and Child Health, National Health Commission Key Laboratory of Reproductive Health, Peking University, Beijing, China.,Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China
| | - Lei Jin
- Tongzhou Maternal and Child Health Hospital of Beijing, Beijing, China
| | - Jie Zhang
- Institute of Reproductive and Child Health, National Health Commission Key Laboratory of Reproductive Health, Peking University, Beijing, China.,Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China
| | - Wenying Meng
- Tongzhou Maternal and Child Health Hospital of Beijing, Beijing, China
| | - Lei Jin
- Institute of Reproductive and Child Health, National Health Commission Key Laboratory of Reproductive Health, Peking University, Beijing, China.,Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China
| | - Xuejun Shang
- Department of Andrology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing, China.,Nanjing School of Clinical Medicine, Southern Medical University, Nanjing, China
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23
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Hvizdak M, Kandel SE, Work HM, Gracey EG, McCullough RL, Lampe JN. Per- and polyfluoroalkyl substances (PFAS) inhibit cytochrome P450 CYP3A7 through direct coordination to the heme iron and water displacement. J Inorg Biochem 2023; 240:112120. [PMID: 36638633 PMCID: PMC10016736 DOI: 10.1016/j.jinorgbio.2023.112120] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 12/17/2022] [Accepted: 01/01/2023] [Indexed: 01/05/2023]
Abstract
Per- and polyfluoroalkyl substances (PFAS) are a chemical class of highly stable, fluorinated compounds popular for use in a variety of consumer products. PFAS environmental persistence in drinking water contributes to acute exposure in humans and subsequent bioaccumulation of the compounds in the liver and lung tissue. Prenatal PFAS exposure has been associated with lowered birth weight, premature birth, and developmental defects including cranio-facial abnormalities. The cytochrome P450 enzyme CYP3A7 is responsible for facilitating a variety of reactions essential for proper fetal development in humans. In addition to drug metabolism, CYP3A7 is responsible for metabolizing endogenous ligands in the developing human liver, including the steroid precursor dehydroepiandrosterone 3-sulfate (DHEA-S), essential for estriol synthesis during pregnancy, along with the morphogen all-trans-retinoic acid (atRA). Interference with estriol synthesis during pregnancy, as well as atRA clearance, is known to result in similar effects associated with prenatal PFAS exposure including lowered birth weight, premature birth, and developmental defects. We hypothesized that PFAS compounds bind to the CYP3A7 enzyme resulting in its inhibition. We implemented a series of binding studies using spectral characterization of six PFAS compounds (PFOA, PFOS, GenX, PFNA, PFNS, and PFHxS), and evaluated their interactions with recombinant CYP3A7. In addition, we screened PFAS for their ability to inhibit CYP3A7 oxidative activity using dibenzylfluorescein, a fluorescent probe, and DHEA-S, an endogenous substrate of CYP3A7. Our data demonstrate that of the six PFAS tested, PFOA, PFOS, PFNA, and PFHxS bind to and inhibit CYP3A7.
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Affiliation(s)
- Michaela Hvizdak
- Department of Pharmaceutical Sciences, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, Aurora, CO, United States of America
| | - Sylvie E Kandel
- Department of Pharmaceutical Sciences, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, Aurora, CO, United States of America
| | - Hannah M Work
- Department of Pharmaceutical Sciences, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, Aurora, CO, United States of America
| | - Emily G Gracey
- Department of Pharmaceutical Sciences, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, Aurora, CO, United States of America
| | - Rebecca L McCullough
- Department of Pharmaceutical Sciences, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, Aurora, CO, United States of America
| | - Jed N Lampe
- Department of Pharmaceutical Sciences, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, Aurora, CO, United States of America; Structural Biology and Biochemistry Program, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, United States of America.
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24
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Retinol and Pro-Vitamin A Carotenoid Nutritional Status during Pregnancy Is Associated with Newborn Hearing Screen Results. Nutrients 2023; 15:nu15040800. [PMID: 36839158 PMCID: PMC9967333 DOI: 10.3390/nu15040800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 01/30/2023] [Accepted: 02/01/2023] [Indexed: 02/09/2023] Open
Abstract
The prenatal period is critical for auditory development; thus, prenatal influences on auditory development may significantly impact long-term hearing ability. While previous studies identified a protective effect of carotenoids on adult hearing, the impact of these nutrients on hearing outcomes in neonates is not well understood. The purpose of this study is to investigate the relationship between maternal and umbilical cord plasma retinol and carotenoid concentrations and abnormal newborn hearing screen (NHS) results. Mother-infant dyads (n = 546) were enrolled at delivery. Plasma samples were analyzed using HPLC and LC-MS/MS. NHS results were obtained from medical records. Statistical analysis utilized Mann-Whitney U tests and logistic regression models, with p ≤ 0.05 considered statistically significant. Abnormal NHS results were observed in 8.5% of infants. Higher median cord retinol (187.4 vs. 162.2 μg/L, p = 0.01), maternal trans-β-carotene (206.1 vs. 149.4 μg/L, p = 0.02), maternal cis-β-carotene (15.9 vs. 11.2 μg/L, p = 0.02), and cord trans-β-carotene (15.5 vs. 8.0 μg/L, p = 0.04) were associated with abnormal NHS. Significant associations between natural log-transformed retinol and β-carotene concentrations and abnormal NHS results remained after adjustment for smoking status, maternal age, and corrected gestational age. Further studies should investigate if congenital metabolic deficiencies, pesticide contamination of carotenoid-rich foods, maternal hypothyroidism, or other variables mediate this relationship.
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25
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Mustillo PJ, Sullivan KE, Chinn IK, Notarangelo LD, Haddad E, Davies EG, de la Morena MT, Hartog N, Yu JE, Hernandez-Trujillo VP, Ip W, Franco J, Gambineri E, Hickey SE, Varga E, Markert ML. Clinical Practice Guidelines for the Immunological Management of Chromosome 22q11.2 Deletion Syndrome and Other Defects in Thymic Development. J Clin Immunol 2023; 43:247-270. [PMID: 36648576 PMCID: PMC9892161 DOI: 10.1007/s10875-022-01418-y] [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: 10/10/2022] [Accepted: 12/04/2022] [Indexed: 01/18/2023]
Abstract
Current practices vary widely regarding the immunological work-up and management of patients affected with defects in thymic development (DTD), which include chromosome 22q11.2 microdeletion syndrome (22q11.2del) and other causes of DiGeorge syndrome (DGS) and coloboma, heart defect, atresia choanae, retardation of growth and development, genital hypoplasia, ear anomalies/deafness (CHARGE) syndrome. Practice variations affect the initial and subsequent assessment of immune function, the terminology used to describe the condition and immune status, the accepted criteria for recommending live vaccines, and how often follow-up is needed based on the degree of immune compromise. The lack of consensus and widely varying practices highlight the need to establish updated immunological clinical practice guidelines. These guideline recommendations provide a comprehensive review for immunologists and other clinicians who manage immune aspects of this group of disorders.
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Affiliation(s)
- Peter J Mustillo
- Division of Allergy and Immunology, Department of Pediatrics, Nationwide Children's Hospital, Columbus, OH, 43205, USA.
| | - Kathleen E Sullivan
- Division of Allergy Immunology, Department of Pediatrics, Children's Hospital of Philadelphia, Philadelphia, PA, 19104, USA
| | - Ivan K Chinn
- Division of Immunology, Allergy, and Retrovirology, Department of Pediatrics, Texas Children's Hospital, Houston, TX, 77030, USA
| | - Luigi D Notarangelo
- National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Elie Haddad
- Department of Pediatrics, Department of Microbiology, Infectious Diseases and Immunology, CHU Sainte-Justine, University of Montreal, Montreal, QC, H3T 1C5, Canada
| | - E Graham Davies
- Department of Immunology, Great Ormond Street Hospital and UCL Great Ormond Street Institute of Child Health, London, WC1N 3HJ, UK
| | - Maria Teresa de la Morena
- Division of Immunology, Department of Pediatrics, Seattle Children's Hospital, University of Washington, Seattle, WA, 98105, USA
| | - Nicholas Hartog
- Spectrum Health Helen DeVos Children's Hospital Department of Allergy and Immunology, Michigan State University College of Human Medicine, East Lansing, USA
| | - Joyce E Yu
- Division of Allergy, Immunology & Rheumatology, Department of Pediatrics, Columbia University Irving Medical Center, New York, NY, USA
| | | | - Winnie Ip
- Department of Immunology, Great Ormond Street Hospital and UCL Great Ormond Street Institute of Child Health, London, WC1N 3JH, UK
| | - Jose Franco
- Grupo de Inmunodeficiencias Primarias, Facultad de Medicina, Universidad de Antioquia UdeA, Medellin, Colombia
| | - Eleonora Gambineri
- Department of "NEUROFARBA", Section of Child's Health, University of Florence, Florence, Italy
- Centre of Excellence, Division of Pediatric Oncology/Hematology, Meyer Children's Hospital IRCCS, Florence, Italy
| | - Scott E Hickey
- Division of Genetic & Genomic Medicine, Department of Pediatrics, Nationwide Children's Hospital, Columbus, OH, 43205, USA
| | - Elizabeth Varga
- Institute for Genomic Medicine, Nationwide Children's Hospital, Columbus, OH, 43205, USA
| | - M Louise Markert
- Department of Immunology, Duke University Medical Center, Durham, NC, 27710, USA
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26
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Hughes JE, Buckley N, Looney Y, Kirwan G, Mullooly M, Bennett KE. Evaluating awareness, knowledge and practice of healthcare professionals following implementation of a revised pregnancy prevention programme for isotretinoin in Ireland: A multi-stakeholder cross-sectional study. Pharmacoepidemiol Drug Saf 2023; 32:137-147. [PMID: 36073295 PMCID: PMC10092126 DOI: 10.1002/pds.5538] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 08/10/2022] [Accepted: 09/05/2022] [Indexed: 01/26/2023]
Abstract
PURPOSE In 2018, following an EU-wide safety review, a revised pregnancy prevention programme (PPP) was introduced for isotretinoin (Roaccutane®). This study aimed to examine awareness, knowledge, and experience implementing the revised isotretinoin PPP in clinical practice across three healthcare professional (HCP) groups in Ireland. METHODS A cross-sectional study using anonymous online surveys among general practitioners (GPs), community pharmacists, and specialist consultants was undertaken. Descriptive analyses are presented. RESULTS Across all HCP groups there was high (≥87%) awareness that oral isotretinoin is contraindicated in women of childbearing potential (WCBP) unless the conditions of the PPP are fulfilled, but varying awareness among GPs (54.9%) and community pharmacists (45.9%) that exposure during pregnancy can cause both severe fetal malformations and spontaneous abortions. Implementation of the PPP in clinical practice varied across HCP groups. When initiating isotretinoin in WCBP, 66.7% of specialists and 40.8% of GPs indicated they had considered alternative treatment options, and 71.4% of specialists and 31.6% of GPs reported they first requested a pregnancy test. There was limited provision of the patient reminder card to WCBP, where 26.1% of community pharmacists provide this at each dispensing, while 47.6% of specialists and 11.8% of GPs ensured WCBP had a copy of the card when initiating treatment. Across all HCP groups, there was high (≥81.6%) awareness of the need for urgent consultation and immediate cessation of isotretinoin in the event of an unplanned or suspected pregnancy. CONCLUSIONS Reinforcement of the provision and utilisation of the isotretinoin patient reminder card may be required, and further targeted education on specific elements of the PPP should be considered for GPs and community pharmacists.
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Affiliation(s)
- John E Hughes
- School of Population Health, RCSI University of Medicine and Health Sciences, Dublin 2, Ireland
| | - Niamh Buckley
- Health Products Regulatory Authority, Kevin O'Malley House, Earlsfort Terrace, Dublin 2, Ireland
| | - Yvonne Looney
- Health Products Regulatory Authority, Kevin O'Malley House, Earlsfort Terrace, Dublin 2, Ireland
| | - Gráinne Kirwan
- Health Products Regulatory Authority, Kevin O'Malley House, Earlsfort Terrace, Dublin 2, Ireland
| | - Maeve Mullooly
- School of Population Health, RCSI University of Medicine and Health Sciences, Dublin 2, Ireland
| | - Kathleen E Bennett
- School of Population Health, RCSI University of Medicine and Health Sciences, Dublin 2, Ireland.,Data Science Centre, School of Population Health, RCSI University of Medicine and Health Sciences, Dublin 2, Ireland
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27
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Fang J, Wang D, Kramer NI, Rietjens IMCM, Boogaard PJ, Kamelia L. The role of receptor-mediated activities of 4- and 5-ring unsubstituted and methylated polycyclic aromatic hydrocarbons (PAHs) in developmental toxicity. J Appl Toxicol 2022; 43:845-861. [PMID: 36585251 DOI: 10.1002/jat.4428] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 12/11/2022] [Accepted: 12/22/2022] [Indexed: 01/01/2023]
Abstract
The present study evaluated the aryl hydrocarbon receptor (AhR), estrogen receptor-α (ER-α), and retinoic acid receptor (RAR) mediated activities of nine 4- and 5-ring unsubstituted and monomethylated polycyclic aromatic hydrocarbons (PAHs) using a series of Chemical-Activated LUciferase gene eXpression (CALUX) assays. The potential role of these aforementioned receptors in relation to the developmental toxicity of these PAHs was further assessed in the zebrafish embryotoxicity test (ZET). The results show that all nine tested PAHs were AhR agonists, benz[a]anthracene (BaA) and 8-methyl-benz[a]anthracene (8-MeBaA) were ER-α agonists, and none of the tested PAHs induced ER-α antagonistic or RAR (ant)agonistic activities. In the AhR CALUX assay, all the methylated PAHs showed higher potency (lower EC50) in activating the AhR than their respective unsubstituted PAHs, implying that the addition of a methyl substituent on the aromatic ring of PAHs could enhance their AhR-mediated activities. Co-exposure of zebrafish embryos with each individual PAH and an AhR antagonist (CH223191) counteracted the observed developmental retardations and embryo lethality to a certain extent, except for 8-methyl-benzo[a]pyrene (8-MeBaP). Co-exposure of zebrafish embryos with either of the two estrogenic PAHs (i.e., BaA and 8-MeBaA) and an ER-α antagonist (fulvestrant) neutralized embryo lethality induced by 50 μM BaA and the developmental retardations induced by 15 μM 8-MeBaA. Altogether, our findings suggest that the observed developmental retardations in zebrafish embryos by the PAH tested may partially be AhR- and/or ER-α-mediated, whereas the RAR seems not to be relevant for the PAH-induced developmental toxicity in the ZET.
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Affiliation(s)
- Jing Fang
- Division of Toxicology, Wageningen University and Research, Wageningen, 6708 WE, The Netherlands
| | - Danlei Wang
- Division of Toxicology, Wageningen University and Research, Wageningen, 6708 WE, The Netherlands
| | - Nynke I Kramer
- Division of Toxicology, Wageningen University and Research, Wageningen, 6708 WE, The Netherlands
| | - Ivonne M C M Rietjens
- Division of Toxicology, Wageningen University and Research, Wageningen, 6708 WE, The Netherlands
| | - Peter J Boogaard
- Division of Toxicology, Wageningen University and Research, Wageningen, 6708 WE, The Netherlands
| | - Lenny Kamelia
- Shell Global Solutions International B.V., The Hague, The Netherlands
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28
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Abstract
PURPOSE OF REVIEW To review updates regarding teratogens and give pediatric healthcare providers insight into the prevention of teratogenic exposures. RECENT FINDINGS Application of the principles of teratology can help to assess the potential for exposures to be teratogenic. Identification of Zika virus as a teratogen, the most recent teratogenic agent identified, allowed public health measures to be put in place to mitigate its spread. Risk management strategies for teratogenic medications have resulted in a decrease but often not elimination of prenatal exposures. The failure to include pregnant persons in clinical trials results in their being less likely to receive needed medications and vaccines in a timely manner. SUMMARY Pediatricians play an important role in the prevention of teratogenic exposures. Ensuring optimal management of patients with chronic illnesses that might increase their risk of birth defects during pregnancy due to the illness itself or its treatment is essential. For patients with pregnancy potential who are on teratogenic medications, ensuring effective contraception is also important. Inclusion of pregnant persons in clinical trials and research studies will be critical to advancing our knowledge of the safety of medications and other exposures during pregnancy.
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Fitriasari S, Trainor PA. Gene-environment interactions in the pathogenesis of common craniofacial anomalies. Curr Top Dev Biol 2022; 152:139-168. [PMID: 36707210 DOI: 10.1016/bs.ctdb.2022.10.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
Craniofacial anomalies often exhibit phenotype variability and non-mendelian inheritance due to their multifactorial origin, involving both genetic and environmental factors. A combination of epidemiologic studies, genome-wide association, and analysis of animal models have provided insight into the effects of gene-environment interactions on craniofacial and brain development and the pathogenesis of congenital disorders. In this chapter, we briefly summarize the etiology and pathogenesis of common craniofacial anomalies, focusing on orofacial clefts, hemifacial microsomia, and microcephaly. We then discuss how environmental risk factors interact with genes to modulate the incidence and phenotype severity of craniofacial anomalies. Identifying environmental risk factors and dissecting their interaction with different genes and modifiers is central to improved strategies for preventing craniofacial anomalies.
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Affiliation(s)
| | - Paul A Trainor
- Stowers Institute for Medical Research, Kansas City, MO, United States; Department of Anatomy and Cell Biology, University of Kansas Medical Center, Kansas City, KS, United States.
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30
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SOX4 Mediates ATRA-Induced Differentiation in Neuroblastoma Cells. Cancers (Basel) 2022; 14:cancers14225642. [PMID: 36428735 PMCID: PMC9688885 DOI: 10.3390/cancers14225642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 11/10/2022] [Accepted: 11/12/2022] [Indexed: 11/19/2022] Open
Abstract
Neuroblastoma (NB), which is considered to be caused by the differentiation failure of neural crest cells, is the most common extracranial malignant solid tumor in children. The degree of tumor differentiation in patients with NB is closely correlated with the survival rate. To explore the potential targets that mediate NB cell differentiation, we analyzed four microarray datasets from GEO, and the overlapping down- or upregulated DEGs were displayed using Venn diagrams. SOX4 was one of the overlapping upregulated DEGs and was confirmed by RT-qPCR and Western blot in ATRA-treated NGP, SY5Y, and BE2 cells. To clarify whether SOX4 was the target gene regulating NB cell differentiation, the correlation between the expression of SOX4 and the survival of clinical patients was analyzed via the R2 database, SOX4 overexpression plasmids and siRNAs were generated to change the expression of SOX4, RT-qPCR and Western blot were performed to detect SOX4 expression, cell confluence or cell survival was detected by IncuCyte Zoom or CCK8 assay, immunocytochemistry staining was performed to detect cells' neurites, and a cell cycle analysis was implemented using Flow cytometry after PI staining. The results showed that the survival probabilities were positively correlated with SOX4 expression, in which overexpressing SOX4 inhibited NB cell proliferation, elongated the cells' neurite, and blocked the cell cycle in G1 phase, and that knockdown of the expression of SOX4 partially reversed the ATRA-induced inhibition of NB cell proliferation, the elongation of the cells' neurites, and the blocking of the cell cycle in the G1 phase. These indicate that SOX4 may be a target to induce NB cell differentiation.
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31
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Coronel J, Yu J, Pilli N, Kane MA, Amengual J. The conversion of β-carotene to vitamin A in adipocytes drives the anti-obesogenic effects of β-carotene in mice. Mol Metab 2022; 66:101640. [PMID: 36400405 PMCID: PMC9707038 DOI: 10.1016/j.molmet.2022.101640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 10/30/2022] [Accepted: 11/09/2022] [Indexed: 11/17/2022] Open
Abstract
OBJECTIVE The β-carotene oxygenase 1 (BCO1) is the enzyme responsible for the cleavage of β-carotene to retinal, the first intermediate in vitamin A formation. Preclinical studies suggest that BCO1 expression is required for dietary β-carotene to affect lipid metabolism. The goal of this study was to generate a gene therapy strategy that over-expresses BCO1 in the adipose tissue and utilizes the β-carotene stored in adipocytes to produce vitamin A and reduce obesity. METHODS We generated a novel adipose-tissue-specific, adeno-associated vector to over-express BCO1 (AT-AAV-BCO1) in murine adipocytes. We tested this vector using a unique model to achieve β-carotene accumulation in the adipose tissue, in which Bco1-/- mice were fed β-carotene. An AT-AAV over-expressing green fluorescent protein was utilized as control. We evaluated the adequate delivery route and optimized cellular and organ specificity, dosage, and exposure of our vectors. We also employed morphometric analyses to evaluate the effect of BCO1 expression in adiposity, as well as HPLC and mass spectrometry to quantify β-carotene and retinoids in tissues, including retinoic acid. RESULTS AT-AAV-BCO1 infusions in the adipose tissue of the mice resulted in the production of retinoic acid, a vitamin A metabolite with strong effects on gene regulation. AT-AAV-BCO1 treatment also reduced adipose tissue size and adipocyte area by 35% and 30%, respectively. These effects were sex-specific, highlighting the complexity of vitamin A metabolism in mammals. CONCLUSIONS The over-expression of BCO1 through delivery of an AT-AAV-BCO1 leads to the conversion of β-carotene to vitamin A in adipocytes, which subsequently results in reduction of adiposity. These studies highlight for the first time the potential of adipose tissue β-carotene as a target for BCO1 over-expression in the reduction of obesity.
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Affiliation(s)
- Johana Coronel
- Department of Food Science and Human Nutrition, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Jianshi Yu
- Department of Pharmaceutical Sciences, University of Maryland, Baltimore, MD, USA
| | - Nageswara Pilli
- Department of Pharmaceutical Sciences, University of Maryland, Baltimore, MD, USA
| | - Maureen A. Kane
- Department of Pharmaceutical Sciences, University of Maryland, Baltimore, MD, USA
| | - Jaume Amengual
- Department of Food Science and Human Nutrition, University of Illinois at Urbana-Champaign, Urbana, IL, USA,Division of Nutritional Sciences, University of Illinois at Urbana-Champaign, Urbana, IL, USA,Corresponding author. Department of Food Science and Human Nutrition, University of Illinois at Urbana-Champaign, Urbana, IL, USA
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32
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Bioinformatics Analysis of Hub Genes Involved in Alcohol-Related Hemifacial Microsomia Pathogenesis. J Craniofac Surg 2022; 33:e607-e612. [PMID: 36054897 DOI: 10.1097/scs.0000000000008675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Accepted: 03/06/2022] [Indexed: 11/25/2022] Open
Abstract
OBJECTIVE Alcohol is a recognized teratogen, and alcohol exposure increases the risk for hemifacial microsomia (HFM) of the fetus during maternal pregnancy. The present study aimed to explore potential mechanisms and verify hub genes of HFM associated with alcohol by bioinformatics methods. METHODS First, HFM and alcohol pathogenic genes were obtained. Thereafter, a protein-protein interactional (PPI) network was constructed. Gene Ontology and Kyoto Encyclopedia of Genes and Genomes pathway enrichment analyses and molecular complex detection were performed by Metascape. Finally, we used the cytoHubba plugin to screen the hub genes. RESULTS A total of 43 HFM genes and 50 optimal alcohol candidate genes were selected. The PPI networks for pathogenic genes contained 93 nodes and 503 edges. Functional enrichment analysis largely focused on tissue formation and development. Two modules were identified from the PPI network, and 10 hub genes were screened out. The genes most relevant to alcohol-induced HFM pathogenesis included CTNNB1, TP53, MYC, HDAC1, and SOX2. CONCLUSIONS This study identified some significant hub genes, pathways, and modules of HFM related to alcohol by bioinformatics analyses. Our results suggest that the CTNNB1, TP53, MYC, HDAC1, and SOX B1 gene subfamilies may have played a major role in alcohol-induced HFM.
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33
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Wendt KD, Brown J, Lungova V, Mohad V, Kendziorski C, Thibeault SL. Transcriptome Dynamics in the Developing Larynx, Trachea, and Esophagus. Front Cell Dev Biol 2022; 10:942622. [PMID: 35938172 PMCID: PMC9353518 DOI: 10.3389/fcell.2022.942622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Accepted: 06/03/2022] [Indexed: 11/18/2022] Open
Abstract
The larynx, trachea, and esophagus share origin and proximity during embryonic development. Clinical and experimental evidence support the existence of neurophysiological, structural, and functional interdependencies before birth. This investigation provides the first comprehensive transcriptional profile of all three organs during embryonic organogenesis, where differential gene expression gradually assembles the identity and complexity of these proximal organs from a shared origin in the anterior foregut. By applying bulk RNA sequencing and gene network analysis of differentially expressed genes (DEGs) within and across developing embryonic mouse larynx, esophagus, and trachea, we identified co-expressed modules of genes enriched for key biological processes. Organ-specific temporal patterns of gene activity corresponding to gene modules within and across shared tissues during embryonic development (E10.5-E18.5) are described, and the laryngeal transcriptome during vocal fold development and maturation from birth to adulthood is characterized in the context of laryngeal organogenesis. The findings of this study provide new insights into interrelated gene sets governing the organogenesis of this tripartite organ system within the aerodigestive tract. They are relevant to multiple families of disorders defined by cardiocraniofacial syndromes.
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Affiliation(s)
- Kristy D. Wendt
- Department of Surgery, Division of Otolaryngology, Head, and Neck Surgery, University of Wisconsin, Madison, WI, United States
- Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, WI, United States
| | - Jared Brown
- Department of Statistics, University of Wisconsin-Madison, Madison, WI, United States
| | - Vlasta Lungova
- Department of Surgery, Division of Otolaryngology, Head, and Neck Surgery, University of Wisconsin, Madison, WI, United States
| | - Vidisha Mohad
- Department of Surgery, Division of Otolaryngology, Head, and Neck Surgery, University of Wisconsin, Madison, WI, United States
| | - Christina Kendziorski
- Department of Biostatistics and Medical Information, University of Wisconsin-Madison, Madison, WI, United States
| | - Susan L. Thibeault
- Department of Surgery, Division of Otolaryngology, Head, and Neck Surgery, University of Wisconsin, Madison, WI, United States
- Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, WI, United States
- *Correspondence: Susan L. Thibeault,
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Abstract
LEARNING OBJECTIVES After studying this article, the participant should be able to: 1. Describe the bilateral cleft lip and nasal deformity and associated anatomical variations. 2. Understand the history and evolution of the bilateral cleft lip repair. 3. Understand the key principles of the surgical repair. SUMMARY This article describes characteristics of the bilateral cleft lip and nasal deformity and its management, including presurgical orthopedics, operative techniques, and postsurgical care.
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Gonzalez DM, Schrode N, Ebrahim TAM, Broguiere N, Rossi G, Drakhlis L, Zweigerdt R, Lutolf MP, Beaumont KG, Sebra R, Dubois NC. Dissecting mechanisms of chamber-specific cardiac differentiation and its perturbation following retinoic acid exposure. Development 2022; 149:275658. [DOI: 10.1242/dev.200557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Accepted: 05/26/2022] [Indexed: 11/20/2022]
Abstract
ABSTRACT
The specification of distinct cardiac lineages occurs before chamber formation and acquisition of bona fide atrial or ventricular identity. However, the mechanisms underlying these early specification events remain poorly understood. Here, we performed single cell analysis at the murine cardiac crescent, primitive heart tube and heart tube stages to uncover the transcriptional mechanisms underlying formation of atrial and ventricular cells. We find that progression towards differentiated cardiomyocytes occurs primarily based on heart field progenitor identity, and that progenitors contribute to ventricular or atrial identity through distinct differentiation mechanisms. We identify new candidate markers that define such differentiation processes and examine their expression dynamics using computational lineage trajectory methods. We further show that exposure to exogenous retinoic acid causes defects in ventricular chamber size, dysregulation in FGF signaling and a shunt in differentiation towards orthogonal lineages. Retinoic acid also causes defects in cell-cycle exit resulting in formation of hypomorphic ventricles. Collectively, our data identify, at a single cell level, distinct lineage trajectories during cardiac specification and differentiation, and the precise effects of manipulating cardiac progenitor patterning via retinoic acid signaling.
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Affiliation(s)
- David M. Gonzalez
- Icahn School of Medicine at Mount Sinai 1 Department of Cell, Developmental, and Regenerative Biology , , New York, NY 10029 , USA
- Mindich Child Health and Development Institute, Icahn School of Medicine at Mount Sinai 2 , New York, NY 10029 , USA
- Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai 3 , New York, NY 10029 , USA
- Cardiovascular Research Institute, Icahn School of Medicine at Mount Sinai 4 , New York, NY 10029 , USA
| | - Nadine Schrode
- Icahn School of Medicine at Mount Sinai 5 Department of Genetics and Genomic Sciences , , New York, NY 10029 , USA
| | - Tasneem A. M. Ebrahim
- Icahn School of Medicine at Mount Sinai 1 Department of Cell, Developmental, and Regenerative Biology , , New York, NY 10029 , USA
- Mindich Child Health and Development Institute, Icahn School of Medicine at Mount Sinai 2 , New York, NY 10029 , USA
- Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai 3 , New York, NY 10029 , USA
- Cardiovascular Research Institute, Icahn School of Medicine at Mount Sinai 4 , New York, NY 10029 , USA
| | - Nicolas Broguiere
- School of Life Sciences, EPFL 6 Laboratory of Stem Cell Bioengineering , , Lausanne CH-1015 , Switzerland
| | - Giuliana Rossi
- School of Life Sciences, EPFL 6 Laboratory of Stem Cell Bioengineering , , Lausanne CH-1015 , Switzerland
| | - Lika Drakhlis
- Roche Institute for Translational Bioengineering 7 , Roche Pharma Research and Early Development , Basel 4052 , Switzerland
| | - Robert Zweigerdt
- Roche Institute for Translational Bioengineering 7 , Roche Pharma Research and Early Development , Basel 4052 , Switzerland
| | - Matthias P. Lutolf
- School of Life Sciences, EPFL 6 Laboratory of Stem Cell Bioengineering , , Lausanne CH-1015 , Switzerland
- Roche Institute for Translational Bioengineering 7 , Roche Pharma Research and Early Development , Basel 4052 , Switzerland
| | - Kristin G. Beaumont
- Icahn School of Medicine at Mount Sinai 5 Department of Genetics and Genomic Sciences , , New York, NY 10029 , USA
- Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO) 8 , Department of Cardiothoracic, Transplantation and Vascular Surgery (HTTG) , , Hannover , Germany
- REBIRTH–Research Center for Translational Regenerative Medicine, Hannover Medical School 8 , Department of Cardiothoracic, Transplantation and Vascular Surgery (HTTG) , , Hannover , Germany
| | - Robert Sebra
- Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai 3 , New York, NY 10029 , USA
- Icahn School of Medicine at Mount Sinai 5 Department of Genetics and Genomic Sciences , , New York, NY 10029 , USA
- Sema4, a Mount Sinai venture 9 , Stamford, CT 06902 , USA
| | - Nicole C. Dubois
- Icahn School of Medicine at Mount Sinai 1 Department of Cell, Developmental, and Regenerative Biology , , New York, NY 10029 , USA
- Mindich Child Health and Development Institute, Icahn School of Medicine at Mount Sinai 2 , New York, NY 10029 , USA
- Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai 3 , New York, NY 10029 , USA
- Cardiovascular Research Institute, Icahn School of Medicine at Mount Sinai 4 , New York, NY 10029 , USA
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Mackowetzky K, Dicipulo R, Fox SC, Philibert DA, Todesco H, Doshi JD, Kawakami K, Tierney K, Waskiewicz AJ. Retinoic acid signaling regulates late stages of semicircular canal morphogenesis and otolith maintenance in the zebrafish inner ear. Dev Dyn 2022; 251:1798-1815. [PMID: 35710880 DOI: 10.1002/dvdy.510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 03/09/2022] [Accepted: 03/10/2022] [Indexed: 11/08/2022] Open
Abstract
BACKGROUND The vitamin A derivative all-trans retinoic acid (RA) regulates early stages of inner ear development. As the early disruption of the RA pathway results in profound mispatterning of the developing inner ear, this confounds analyses of specific roles in later stages. Therefore, we used the temporal-specific exposure of all-trans RA or diethylaminobenzaldehyde to evaluate RA functions in late otic development. RESULTS Perturbing late RA signaling causes behavioral defects analogous to those expected in larvae suffering from vestibular dysfunction. These larvae also demonstrate malformations of the semi-circular canals, as visualized through (a) use of the transgenic strain nkhspdmc12a, a fluorescent reporter expressed in otic epithelium; and (b) injection of the fluorescent lipophilic dye DiI. We also noted the altered expression of genes encoding ECM proteins or modifying enzymes. Other malformations of the inner ear observed in our work include the loss or reduced size of the utricular and saccular otoliths, suggesting a role for RA in otolith maintenance. CONCLUSION Our work has identified a previously undescribed late phase of RA activity in otic development, demonstrating that vestibular defects observed in human patients in relation to perturbed RA signaling are not solely due to its early disruption in otic development.
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Affiliation(s)
- Kacey Mackowetzky
- Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada
| | - Renée Dicipulo
- Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada
| | - Sabrina C Fox
- Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada.,Women & Children's Health Research Institute, Edmonton, Alberta, Canada
| | - Danielle A Philibert
- Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada
| | - Hayley Todesco
- Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada
| | - Jainil D Doshi
- Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada
| | - Koichi Kawakami
- Laboratory of Molecular and Developmental Biology, National Institute of Genetics, Shizuoka, Japan
| | - Keith Tierney
- Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada.,School of Public Health, University of Alberta, Edmonton, Alberta, Canada
| | - Andrew J Waskiewicz
- Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada.,Women & Children's Health Research Institute, Edmonton, Alberta, Canada
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Khalaj K, Antounians L, Lopes Figueira R, Post M, Zani A. Autophagy is Impaired in Fetal Hypoplastic Lungs and Rescued by Administration of Amniotic Fluid Stem Cell Extracellular Vesicles. Am J Respir Crit Care Med 2022; 206:476-487. [PMID: 35671495 DOI: 10.1164/rccm.202109-2168oc] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
RATIONALE Pulmonary hypoplasia secondary to congenital diaphragmatic hernia (CDH) is characterized by reduced branching morphogenesis, which is responsible for poor clinical outcomes. Administration of amniotic fluid stem cell extracellular vesicles (AFSC-EVs) rescues branching morphogenesis in rodent fetal models of pulmonary hypoplasia. Herein, we hypothesized that AFSC-EVs exert their regenerative potential by affecting autophagy, a process required for normal lung development. OBJECTIVES To evaluate autophagy in hypoplastic lungs throughout gestation and establish whether AFSC-EV administration improves branching morphogenesis through autophagy-mediated mechanisms. METHODS EVs were isolated from c-kit+ AFSC conditioned medium by ultracentrifugation and characterized by size, morphology, and EV marker expression. Branching morphogenesis was inhibited in rat fetuses by nitrofen administration to dams and in human fetal lung explants by blocking RAC1 activity with NSC23766. Expression of autophagy activators (BECN1 and ATG5) and adaptor (SQSTM1) was analyzed in vitro (rat and human fetal lung explants) and in vivo (rat fetal lungs). Mechanistic studies on rat fetal primary lung epithelial cells were conducted using inhibitors for microRNA-17 and -20a contained in the AFSC-EV cargo and known to regulate autophagy. MEASUREMENTS AND MAIN RESULTS Rat and human models of fetal pulmonary hypoplasia showed reduced autophagy at different developmental stages. AFSC-EV administration restored autophagy levels in both pulmonary hypoplasia models by transferring miR-17~92 cluster members contained in the EV cargo. CONCLUSIONS AFSC-EV treatment rescues branching morphogenesis partly by restoring autophagy through miRNA cargo transfer. This study enhances our understanding of pulmonary hypoplasia pathogenesis and creates new opportunities for fetal therapeutic intervention in CDH babies. This article is open access and distributed under the terms of the Creative Commons Attribution Non-Commercial No Derivatives License 4.0 (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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Affiliation(s)
- Kasra Khalaj
- The Hospital for Sick Children, Toronto, Ontario, Canada
| | - Lina Antounians
- The Hospital for Sick Children, 7979, Developmental and Stem Cell Biology Program, Peter Gilgan Centre for Research and Learning, Toronto, Ontario, Canada.,The Hospital for Sick Children, 7979, Division of General and Thoracic Surgery, Toronto, Ontario, Canada
| | - Rebeca Lopes Figueira
- The Hospital for Sick Children, Developmental and Stem Cell Biology Program, Peter Gilgan Centre for Research and Learning, Toronto, Ontario, Canada.,The Hospital for Sick Children, Division of General and Thoracic Surgery, Toronto, Ontario, Canada
| | - Martin Post
- Hospital for Sick Children, Lung Biology, Toronto, Ontario, Canada
| | - Augusto Zani
- The Hospital for Sick Children, 7979, Developmental and Stem Cell Biology Program, Toronto, Ontario, Canada.,The Hospital for Sick Children, 7979, Division of General and Thoracic Surgery, Toronto, Ontario, Canada.,The Hospital for Sick Children, 7979, Department of Surgery, Toronto, Ontario, Canada;
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38
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Balakirski G, Gerdes S, Beissert S, Ochsendorf F, von Kiedrowski R, Wilsmann-Theis D. Psoriasis-Therapie während Schwangerschaft und Stillzeit. J Dtsch Dermatol Ges 2022; 20:653-685. [PMID: 35578434 DOI: 10.1111/ddg.14789_g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Accepted: 03/09/2022] [Indexed: 11/30/2022]
Affiliation(s)
- Galina Balakirski
- Zentrum für Dermatologie, Allergologie und Dermatochirurgie, HELIOS Universitätsklinikum Wuppertal, Universität Witten/Herdecke, Wuppertal
| | - Sascha Gerdes
- Psoriasis-Zentrum, Klinik für Dermatologie, Venerologie und Allergologie, Universitätsklinikum Schleswig- Holstein - Campus Kiel
| | - Stefan Beissert
- Klinik und Poliklinik für Dermatologie, Universitätsklinikum Carl Gustav Carus Dresden
| | - Falk Ochsendorf
- Klinik für Dermatologie, Venerologie und Allergologie, Universitätsklinikum Frankfurt am Main
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Balakirski G, Gerdes S, Beissert S, Ochsendorf F, von Kiedrowski R, Wilsmann-Theis D. Therapy of psoriasis during pregnancy and breast-feeding. J Dtsch Dermatol Ges 2022; 20:653-683. [PMID: 35578438 DOI: 10.1111/ddg.14789] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Accepted: 03/09/2022] [Indexed: 12/21/2022]
Abstract
There have been multiple systemic drugs approved for the therapy of psoriasis vulgaris and psoriasis arthritis (PsA) in the last decade. However, treatment decisions are difficult to make in women planning a pregnancy and in pregnant and lactating women due to the paucity of data for such cases. The strongest evidence for psoriasis therapy during pregnancy exists for topical corticosteroids. Medically controlled use of UVB-therapy is also considered safe. The best evidence regarding systemic therapy during pregnancy and lactation is available for the group of TNF-alpha inhibitors, which is also reflected in the respective medical product information. This is especially important in cases of psoriatic arthritis. Among traditional systemic therapeutics, the largest clinical experience exists for ciclosporin, which, if medically necessary, may be continued during gestation. However, TNF-alpha inhibitors, especially the pegylated form, should be preferred in case of pregnancy. Furthermore, an elective pregnancy termination is not necessary due to systemic therapy of psoriasis with many further substances during the first pregnancy weeks. The current work provides a comprehensive review of the scientific literature on treatment of psoriasis during pregnancy and lactation. Based on the available scientific information, severity of psoriasis and patient's comorbidities, the best possible therapeutic approach can be found in consensus with the patient.
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Affiliation(s)
- Galina Balakirski
- Center for Dermatology, Allergology and Dermatosurgery, HELIOS University Hospital Wuppertal, Witten/Herdecke University, Wuppertal, Germany
| | - Sascha Gerdes
- Psoriasis Center, Department of Dermatology, Venereology and Allergology, University Hospital Schleswig- Holstein - Campus Kiel, Germany
| | - Stefan Beissert
- Department and Clinic for Dermatology, University Hospital Carl Gustav Carus, Dresden, Germany
| | - Falk Ochsendorf
- Department of Dermatology, Venereology and Allergology, University Hospital Frankfurt am Main, Frankfurt, Germany
| | | | - Dagmar Wilsmann-Theis
- Department and Clinic for Dermatology and Allergology, University Hospital Bonn, Germany
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40
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Stegherr R, Beck E, Hultzsch S, Schaefer C, Dathe K. Can non-responding mask or mimic drug effects on pregnancy outcome? Evaluation of case characteristics based on the national Embryotox cohort. Reprod Toxicol 2022; 111:129-134. [DOI: 10.1016/j.reprotox.2022.05.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 05/17/2022] [Accepted: 05/21/2022] [Indexed: 11/30/2022]
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41
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Jia Y, Zhang H, Hu W, Wang L, Kang Q, Liu J, Nakanishi T, Hiromori Y, Kimura T, Tao S, Hu J. Discovery of contaminants with antagonistic activity against retinoic acid receptor in house dust. JOURNAL OF HAZARDOUS MATERIALS 2022; 426:127847. [PMID: 34836686 DOI: 10.1016/j.jhazmat.2021.127847] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 11/04/2021] [Accepted: 11/16/2021] [Indexed: 06/13/2023]
Abstract
Retinoic acid receptors (RARs) control reproduction and development in vertebrates, but little attention has been paid to anthropogenic chemicals exhibiting RAR agoniztic/antagonistic activity. Here we applied a His-RARα pull-down assay combined with high-resolution mass spectrometry to identify chemicals with RARα activity in house dust. After screening, a total of 540 peaks were retained as potential RARα ligands. The mass spectra of 14 chemicals matched with those in the database, of which triphenyl phosphate, galaxolidone, di(2-ethylhexyl) phthalate (DEHP), tris(2-ethylhexyl) phosphate (TEHP), and tris(2-butoxyethyl) phosphate were confirmed by their standards. While one chemical in the sample matched with monophenyl phosphate in the MS/MS database, its retention time was much higher than that of monophenyl phosphate standard, suggesting that it may be an in-source fragment. Its parent ion was finally identified to be m/z 399.2663 using a similarity analysis among chromatographic peaks of hundreds of ions at the same retention time in MS1 spectrum, and bis(2-ethylhexyl) phenyl phosphate (BEHPP) was identified. BEHPP, DEHP, and TEHP were for the first time identified to be RARα antagonists with IC50 values of 6556, 6600, and 2538 nM, respectively. This study improved structural annotation and filled the knowledge gap regarding widespread environmental contaminants with RAR antagonistic activity.
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Affiliation(s)
- Yingting Jia
- Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, China
| | - Hong Zhang
- Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, China
| | - Wenxin Hu
- Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, China
| | - Lei Wang
- Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, China
| | - Qiyue Kang
- Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, China
| | - Jiaying Liu
- Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, China
| | - Tsuyoshi Nakanishi
- Laboratory of Hygienic Chemistry and Molecular Toxicology, Gifu Pharmaceutical University, Japan
| | - Youhei Hiromori
- Faculty of Pharmaceutical Sciences, Suzuka University of Medical Science, Japan
| | - Tomoki Kimura
- Department of Life Science, Faculty of Science and Engineering, Setsunan University, Japan
| | - Shu Tao
- Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, China
| | - Jianying Hu
- Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, China.
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Pregnancy and neonatal outcomes after periconceptional exposure to isotretinoin in Koreans. Obstet Gynecol Sci 2022; 65:166-175. [PMID: 35193174 PMCID: PMC8942757 DOI: 10.5468/ogs.21354] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Accepted: 02/03/2022] [Indexed: 11/08/2022] Open
Abstract
OBJECTIVE Isotretinoin should not be used during pregnancy because of the risk of birth defects. Most pregnant women exposed to isotretinoin choose voluntary pregnancy termination due to concerns about birth defects. However, birth outcome data supporting the termination of pregnancy are lacking. This study aimed to evaluate pregnancy and neonatal outcomes after periconception exposure to isotretinoin. METHODS This was a prospective cohort study. We evaluated pregnancy and neonatal outcomes after exposure to isotretinoin in 151 pregnant women. Among 1,026 callers at the Korean Teratology Information Service from 2001 to 2017 exposed to isotretinoin during the periconception period, 151 pregnant women who received counseling on teratogenic risk after visiting the clinic were included. RESULTS Among the 151 participants who visited the clinic, only 42 were evaluated using ultrasonography until approximately 20 weeks of gestation. Ultimately, 23 patients were included in the study. The average gestation period during the last exposure to the drug was 2 weeks, and the average daily exposure dose was 12 mg. There were two cases of major birth defects in the exposure group. Spontaneous abortion rates were 17.7% and 8.7% in the exposure and nonexposure groups, respectively (P=0.035). There was no significant difference between the exposure and non-exposure groups in terms of pregnancy and neonatal outcomes. CONCLUSION There was no significant difference in pregnancy and neonatal outcomes, including birth defects, between the exposure and non-exposure groups. Further studies with larger sample sizes are required to validate our findings.
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43
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Ahuja N, Hiltabidle MS, Rajasekhar H, Voss S, Lu SZ, Barlow HR, Cowdin MA, Daniel E, Vaddaraju V, Anandakumar T, Black E, Cleaver O, Maynard C. Endothelial Cyp26b1 restrains murine heart valve growth during development. Dev Biol 2022; 486:81-95. [DOI: 10.1016/j.ydbio.2022.03.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 03/07/2022] [Accepted: 03/11/2022] [Indexed: 11/28/2022]
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44
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Tingaud-Sequeira A, Trimouille A, Sagardoy T, Lacombe D, Rooryck-Thambo C. Oculo-auriculo-vertebral spectrum: new genes and literature review on a complex disease. J Med Genet 2022; 59:417-427. [PMID: 35110414 DOI: 10.1136/jmedgenet-2021-108219] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Accepted: 12/30/2021] [Indexed: 12/23/2022]
Abstract
Oculo-auriculo-vertebral spectrum (OAVS) or Goldenhar syndrome is due to an abnormal development of first and second branchial arches derivatives during embryogenesis and is characterised by hemifacial microsomia associated with auricular, ocular and vertebral malformations. The clinical and genetic heterogeneity of this spectrum with incomplete penetrance and variable expressivity, render its molecular diagnosis difficult. Only a few recurrent CNVs and genes have been identified as causatives in this complex disorder so far. Prenatal environmental causal factors have also been hypothesised. However, most of the patients remain without aetiology. In this review, we aim at updating clinical diagnostic criteria and describing genetic and non-genetic aetiologies, animal models as well as novel diagnostic tools and surgical management, in order to help and improve clinical care and genetic counselling of these patients and their families.
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Affiliation(s)
- Angèle Tingaud-Sequeira
- Univ. Bordeaux, Maladies Rares: Génétique et Métabolisme (MRGM), U 1211 INSERM, F-33000 Bordeaux, France
| | - Aurélien Trimouille
- Univ. Bordeaux, Maladies Rares: Génétique et Métabolisme (MRGM), U 1211 INSERM, F-33000 Bordeaux, France.,CHU de Bordeaux, Service de Génétique Médicale, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, F-33076, Bordeaux, France
| | - Thomas Sagardoy
- CHU de Bordeaux, Service d'oto-rhino-laryngologie, de chirurgie cervico-faciale et d'ORL pédiatrique, 33076 Bordeaux, France
| | - Didier Lacombe
- Univ. Bordeaux, Maladies Rares: Génétique et Métabolisme (MRGM), U 1211 INSERM, F-33000 Bordeaux, France.,CHU de Bordeaux, Service de Génétique Médicale, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, F-33076, Bordeaux, France
| | - Caroline Rooryck-Thambo
- Univ. Bordeaux, Maladies Rares: Génétique et Métabolisme (MRGM), U 1211 INSERM, F-33000 Bordeaux, France .,CHU de Bordeaux, Service de Génétique Médicale, Centre de Référence Anomalies du Développement et Syndromes Malformatifs, F-33076, Bordeaux, France
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Fang J, Dong S, Boogaard PJ, Rietjens IMCM, Kamelia L. Developmental toxicity testing of unsubstituted and methylated 4- and 5-ring polycyclic aromatic hydrocarbons using the zebrafish embryotoxicity test. Toxicol In Vitro 2022; 80:105312. [PMID: 35033653 DOI: 10.1016/j.tiv.2022.105312] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 12/20/2021] [Accepted: 01/10/2022] [Indexed: 01/29/2023]
Abstract
The present study evaluates the in vitro developmental toxicity of 4- and 5-ring PAHs including benz[a]anthracene and benzo[a]pyrene and six of their monomethylated congeners, and dibenz[a,h]anthracene using the zebrafish embryotoxicity test (ZET). In general, the tested PAHs induced various developmental effects in the zebrafish embryos including unhatched embryos, no movement and circulation, yolk sac and pericardial edemas, deformed body shape, and cumulative mortality at 96 h post fertilization (hpf). The alkyl substituent on different positions of the aromatic ring of the PAHs appeared to change their in vitro developmental toxicity. Comparison to a previously reported molecular docking study showed that the methyl substituents may affect the interaction of the PAHs with the aryl hydrocarbon receptor (AhR) which is known to play a role in the developmental toxicity of some PAHs. Taken together, our results show that methylation can either increase or decrease the developmental toxicity of PAHs and suggest this may relate to effects on the molecular dimensions and resulting consequences for interactions with the AhR.
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Affiliation(s)
- Jing Fang
- Division of Toxicology, Wageningen University and Research, 6708, WE, Wageningen, the Netherlands.
| | - Shutong Dong
- Division of Toxicology, Wageningen University and Research, 6708, WE, Wageningen, the Netherlands
| | - Peter J Boogaard
- Division of Toxicology, Wageningen University and Research, 6708, WE, Wageningen, the Netherlands
| | - Ivonne M C M Rietjens
- Division of Toxicology, Wageningen University and Research, 6708, WE, Wageningen, the Netherlands
| | - Lenny Kamelia
- Shell Health, Shell International B.V., 2596, HR, The Hague, the Netherlands
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Uras N. Taussig-Bing Anomaly in a Premature Neonate with Isotretinoin Embryopathy. Turk Arch Pediatr 2022; 56:399-400. [PMID: 35005739 PMCID: PMC8655972 DOI: 10.5152/turkarchpediatr.2021.20136] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Accepted: 02/19/2021] [Indexed: 11/22/2022]
Affiliation(s)
- Nurdan Uras
- Department of Pediatrics, Division of Neonatology, Istinye University, Istanbul, Turkey
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47
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Ayub A, Sadiq H, Ijaz R. Patterns of orofacial clefts and associated risk factors in Pakistan: An institutional experience. JOURNAL OF CLEFT LIP PALATE AND CRANIOFACIAL ANOMALIES 2022. [DOI: 10.4103/jclpca.jclpca_1_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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48
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[Diagnosis and treatment of acute leukemia during pregnancy]. ZHONGHUA XUE YE XUE ZA ZHI = ZHONGHUA XUEYEXUE ZAZHI 2022; 43:82-86. [PMID: 35232003 PMCID: PMC8980671 DOI: 10.3760/cma.j.issn.0253-2727.2022.01.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Zhu D, Tang D, Chai X, Zhang G, Wang Y. Acute leukemia in pregnancy: a single institutional experience with 21 cases at 10 years and a review of the literature. Ann Med 2021; 53:567-575. [PMID: 33821734 PMCID: PMC8032338 DOI: 10.1080/07853890.2021.1908586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 03/19/2021] [Indexed: 11/06/2022] Open
Abstract
INTRODUCTION Acute leukemia (AL) occurring in pregnancy is extremely rare, and its treatment is a clinical dilemma. METHODS We retrospectively reviewed the medical records of our hospital from 2010 to 2019. RESULTS Twenty-one patients were diagnosed with AL during pregnancy. Of whom, eighteen had acute myeloid leukemia, and 3 had acute lymphoblastic leukemia. Six, eight and seven patients were diagnosed during the first, second, and third trimester, respectively. Six of the 21 patients experienced therapeutic abortion and 1 had spontaneous abortion, whereas 9 gave birth to healthy babies (4 through vaginal deliveries and 5 with Caesarean sections). Four babies had been exposed to chemotherapeutic agents, but no congenital malformations were observed. Sixteen patients received chemotherapy, while 4 patients died before chemotherapy and one was discharged after refusing chemotherapy. The complete remission rate of the 10 patients who began chemotherapy immediately after diagnosis was 80%, compared with 66.7% in the 6 patients who started chemotherapy after abortion or delivery. Three remain alive. CONCLUSIONS In general, initiation of chemotherapy as early as possible may increase the CR rate. Combined with literature data, we proposed that, for patients diagnosed in early and late stages of pregnancy (>30 weeks), elective termination or induced delivery before chemotherapy may be a good choice for better maternal (and fetal) outcome.KEY MESSAGESAcute leukaemia diagnosed in pregnancy is extremely rare, and its treatment is a clinical dilemma.In general, initiation of chemotherapy as early as possible may increase the CR rate.For patients who are diagnosed in the first trimester or late stage of pregnancy (>30 weeks), elective termination or induced delivery before starting chemotherapy may be a good choice for better maternal (and fetal) outcome.
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Affiliation(s)
- Dengqin Zhu
- Department of Hematology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Doudou Tang
- Department of Respiratory and Critical Care Medicine, the Second Xiangya Hospital, Hunan Centre for Evidence-based Medicine, Central South University, Changsha, China
| | - Xiaoshan Chai
- Department of Obstetrics and Gynecology, the Second Xiangya Hospital, Central South University, Changsha, China
| | - Guangsen Zhang
- Department of Hematology, The Second Xiangya Hospital, Central South University, Changsha, China
- Institute of Molecular Hematology, Central South University, Changsha, China
| | - Yewei Wang
- Department of Hematology, The Second Xiangya Hospital, Central South University, Changsha, China
- Institute of Molecular Hematology, Central South University, Changsha, China
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Sun Y, Zhang J, Wang Y, Wang L, Song M, Khan A, Zhang L, Niu B, Zhao H, Li M, Luo T, He Q, Xie X, Liu Z, Xie J. miR-222-3p is involved in neural tube closure by directly targeting Ddit4 in RA induced NTDs mouse model. Cell Cycle 2021; 20:2372-2386. [PMID: 34779712 DOI: 10.1080/15384101.2021.1982506] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
Abstract
Previously our results showed miR-222-3p was significantly downregulated in retinoic acid-induced neural tube defect (NTD) mouse model through transcriptome. Down-regulation of miR-222-3p may be a causative biomarker in NTDs. In this study, RNA was extracted from mouse embryos at E8.5, E9.5 and E10.5, and the expression level of miR-222-3p was measured by quantitative real-time PCR analysis. The preliminary mechanism of miR-222-3p in NTDs involved in cell proliferation, apoptosis and migration was investigated in mouse HT-22 cell line. The expression of miR-222-3p was significantly decreased at E8.5, E9.5 and E10.5 developed in mouse embryos which were consistent with our transcriptome sequencing. Suppression of miR-222-3p in HT-22 cells resulted in the inhibition of cell proliferation and migration, cell cycle and apoptosis. Moreover, DNA damage transcript 4 (Ddit4) was identified as a direct and functional target of miR-222-3p. miR-222-3p is negatively regulated by Ddit4. The mutation of binding site of Ddit4 3'UTR abrogated the responsiveness of luciferase reporters to miR-222-3p and showed that Ddit4 expression partially attenuated the function of miR-222-3p. We preliminatively confirmed that low expression of miR-222-3p has reduced the expression of β-catenin, TCF4 and other related genes in the Wnt/β-catenin signaling pathway.Collectively, these results demonstrated that miR-222-3p regulates the Wnt/β-catenin signaling pathway through Ddit4 inhibition in HT-22 cells, resulted in cell proliferation and apoptosis imbalance, and thus led to neural tube defects.
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Affiliation(s)
- Yuqing Sun
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth, Defect and Cell Regeneration, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Juan Zhang
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth, Defect and Cell Regeneration, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Yufei Wang
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth, Defect and Cell Regeneration, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Lei Wang
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth, Defect and Cell Regeneration, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Meiyan Song
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth, Defect and Cell Regeneration, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Ajab Khan
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth, Defect and Cell Regeneration, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Li Zhang
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth, Defect and Cell Regeneration, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Bo Niu
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth, Defect and Cell Regeneration, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Hong Zhao
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth, Defect and Cell Regeneration, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Meining Li
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth, Defect and Cell Regeneration, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Tiane Luo
- Department of Statistics, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Qiwei He
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth, Defect and Cell Regeneration, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Xianghui Xie
- Municipal Key Laboratory of Child Development and Nutriomic, Capital Institute of Pediatrics, Beijing, China
| | - Zhizhen Liu
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth, Defect and Cell Regeneration, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Jun Xie
- Department of Biochemistry and Molecular Biology, Shanxi Key Laboratory of Birth, Defect and Cell Regeneration, Shanxi Medical University, Taiyuan, Shanxi, China
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