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Vargesson N, Hooper G, Giddins G, Hunter A, Stirling P, Lam W. Thalidomide upper limb embryopathy - pathogenesis, past and present management and future considerations. J Hand Surg Eur Vol 2023; 48:699-709. [PMID: 37226469 PMCID: PMC10466950 DOI: 10.1177/17531934231177425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 04/27/2023] [Accepted: 05/04/2023] [Indexed: 05/26/2023]
Abstract
This review article provides a comprehensive overview of thalidomide upper limb embryopathy including updates about its pathogenesis, a historical account of the management of the paediatric thalidomide patient, experience with management of the adult patient, as well as creating awareness about early onset age-related changes associated with limb differences. Despite its withdrawal from the market in November 1961, novel discoveries have meant thalidomide is licensed again and currently still in use to treat a variety of conditions, including inflammatory disorders and some cancers. Yet, if not used safely, thalidomide still has the potential to cause damage to the embryo. Recent work identifying thalidomide analogues that retain clinical benefits yet without the harmful effects are showing great promise. Understanding the problems thalidomide survivors face as they age can allow surgeons to support their unique healthcare issues and translate these principles of care to other congenital upper limb differences.
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Affiliation(s)
- Neil Vargesson
- School of Medicine Medical Sciences & Nutrition. Institute of Medical Sciences. University of Aberdeen. Aberdeen, UK
| | | | | | - Alastair Hunter
- Department of Trauma and Orthopaedics, University College London Hospitals, London, UK
| | - Paul Stirling
- Fife Hand Clinic, Queen Margaret Hospital, Dunfermline, UK
| | - Wee Lam
- Royal Hospital for Children and Young People, Edinburgh, UK
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Malik S, Cohen PR. Thalidomide-Then and Now: Case Report of a Woman With Thalidomide Embryopathy and Review of Current Thalidomide Uses. Cureus 2021; 13:e17070. [PMID: 34522548 PMCID: PMC8428198 DOI: 10.7759/cureus.17070] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/10/2021] [Indexed: 01/01/2023] Open
Abstract
Thalidomide was initially developed as a sedative; subsequently, its use was expanded to treat morning sickness in pregnant women. However, it was later discovered to be a teratogenic drug that was associated with embryopathy in women. A woman is described who was exposed to thalidomide in utero. She had several stigmata of thalidomide embryopathy. Although treatment of nausea and anxiety in pregnant women with thalidomide was discontinued in 1961, the drug has been found to be a useful agent for the management of several systemic conditions and dermatological disorders. Whether the treatment with thalidomide shall be incorporated in the therapeutic regime for patients with severe coronavirus disease 2019 (COVID-19) infection remains to be determined.
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Affiliation(s)
- Sara Malik
- Feinberg School of Medicine, Northwestern University, Chicago, USA
| | - Philip R Cohen
- Dermatology, University of California, Davis Medical Center, Sacramento, USA
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Abstract
Background: Methotrexate (MTX) is widely used as an immunosuppressant, chemotherapeutic, and abortifacient agent. It is also a potent teratogen, and intentional or unintentional exposure during pregnancy is associated with heterogeneous birth anomalies. Methods: We retrospectively reviewed a cohort of patients who presented to our clinic with limb anomalies in the setting of MTX embryopathy. Results: In our case series, we describe 7 cases of patients who had limb anomalies with heterogeneous functionality, from severely debilitating to completely asymptomatic. Most of the upper extremity anomalies in our group were managed conservatively. Conclusions: Methotrexate embryopathy is a rare but clinically important entity with phenotypic and functional variability. This series underscores the need for proper counseling of patients and raises concern regarding using this medication for the purpose of abortion.
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Affiliation(s)
- Esperanza Mantilla-Rivas
- Children’s National Health System,
Washington, DC, USA,Esperanza Mantilla-Rivas, Division of
Plastic and Reconstructive Surgery, Children’s National Health System, 111
Michigan Avenue NW, Washington, DC 20010, USA.
| | | | | | | | - Albert K. Oh
- Children’s National Health System,
Washington, DC, USA
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4
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Abstract
The heart is able to metabolize any substrate, depending on its availability, to satisfy its energy requirements. Under normal physiological conditions, about 95% of ATP is produced by oxidative phosphorylation and the rest by glycolysis. Cardiac metabolism undergoes reprograming in response to a variety of physiological and pathophysiological conditions. Hypoxia-inducible factor 1 (HIF-1) mediates the metabolic adaptation to hypoxia and ischemia, including the transition from oxidative to glycolytic metabolism. During embryonic development, HIF-1 protects the embryo from intrauterine hypoxia, its deletion as well as its forced expression are embryonically lethal. A decrease in HIF-1 activity is crucial during perinatal remodeling when the heart switches from anaerobic to aerobic metabolism. In the adult heart, HIF-1 protects against hypoxia, although its deletion in cardiomyocytes affects heart function even under normoxic conditions. Diabetes impairs HIF-1 activation and thus, compromises HIF-1 mediated responses under oxygen-limited conditions. Compromised HIF-1 signaling may contribute to the teratogenicity of maternal diabetes and diabetic cardiomyopathy in adults. In this review, we discuss the function of HIF-1 in the heart throughout development into adulthood, as well as the deregulation of HIF-1 signaling in diabetes and its effects on the embryonic and adult heart.
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Affiliation(s)
- Radka Cerychova
- Laboratory of Molecular Pathogenetics, Institute of Biotechnology of the Czech Academy of Sciences, Prague, Czechia
- Faculty of Science, Charles University, Prague, Czechia
| | - Gabriela Pavlinkova
- Laboratory of Molecular Pathogenetics, Institute of Biotechnology of the Czech Academy of Sciences, Prague, Czechia
- *Correspondence: Gabriela Pavlinkova
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Zhao Y, Dong D, Reece EA, Wang AR, Yang P. Oxidative stress-induced miR-27a targets the redox gene nuclear factor erythroid 2-related factor 2 in diabetic embryopathy. Am J Obstet Gynecol 2018; 218:136.e1-136.e10. [PMID: 29100869 DOI: 10.1016/j.ajog.2017.10.040] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Accepted: 10/23/2017] [Indexed: 12/15/2022]
Abstract
BACKGROUND Maternal diabetes induces neural tube defects, and oxidative stress is a causal factor for maternal diabetes-induced neural tube defects. The redox gene nuclear factor erythroid 2-related factor 2 is the master regulator of the cellular antioxidant system. OBJECTIVE In this study, we aimed to determine whether maternal diabetes inhibits nuclear factor erythroid 2-related factor 2 expression and nuclear factor erythroid 2-related factor 2-controlled antioxidant genes through the redox-sensitive miR-27a. STUDY DESIGN We used a well-established type 1 diabetic embryopathy mouse model induced by streptozotocin for our in vivo studies. Embryos at embryonic day 8.5 were harvested for analysis of nuclear factor erythroid 2-related factor 2, nuclear factor erythroid 2-related factor 2-controlled antioxidant genes, and miR-27a expression. To determine if mitigating oxidative stress inhibits the increase of miR-27a and the decrease of nuclear factor erythroid 2-related factor 2 expression, we induced diabetic embryopathy in superoxide dismutase 2 (mitochondrial-associated antioxidant gene)-overexpressing mice. This model exhibits reduced mitochondria reactive oxygen species even in the presence of hyperglycemia. To investigate the causal relationship between miR-27a and nuclear factor erythroid 2-related factor 2 in vitro, we examined C17.2 neural stem cells under normal and high-glucose conditions. RESULTS We observed that the messenger RNA and protein levels of nuclear factor erythroid 2-related factor 2 were significantly decreased in embryos on embryonic day 8.5 from diabetic dams compared to those from nondiabetic dams. High-glucose also significantly decreased nuclear factor erythroid 2-related factor 2 expression in a dose- and time-dependent manner in cultured neural stem cells. Our data revealed that miR-27a was up-regulated in embryos on embryonic day 8.5 exposed to diabetes, and that high glucose increased miR-27a levels in a dose- and time-dependent manner in cultured neural stem cells. In addition, we found that a miR-27a inhibitor abrogated the inhibitory effect of high glucose on nuclear factor erythroid 2-related factor 2 expression, and a miR-27a mimic suppressed nuclear factor erythroid 2-related factor 2 expression in cultured neural stem cells. Furthermore, our data indicated that the nuclear factor erythroid 2-related factor 2-controlled antioxidant enzymes glutamate-cysteine ligase catalytic subunit, glutamate-cysteine ligase modifier subunit, and glutathione S-transferase A1 were down-regulated by maternal diabetes in embryos on embryonic day 8.5 and high glucose in cultured neural stem cells. Inhibiting miR-27a restored expression of glutamate-cysteine ligase catalytic subunit, glutamate-cysteine ligase modifier subunit, and glutathione S-transferase A1. Overexpressing superoxide dismutase 2 reversed the maternal diabetes-induced increase of miR-27a and suppression of nuclear factor erythroid 2-related factor 2 and nuclear factor erythroid 2-related factor 2-controlled antioxidant enzymes. CONCLUSION Our study demonstrates that maternal diabetes-induced oxidative stress increases miR-27a, which, in turn, suppresses nuclear factor erythroid 2-related factor 2 and its responsive antioxidant enzymes, resulting in diabetic embryopathy.
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Affiliation(s)
- Yang Zhao
- Department of Obstetrics, Gynecology, and Reproductive Sciences, University of Maryland School of Medicine, Baltimore, MD
| | - Daoyin Dong
- Department of Obstetrics, Gynecology, and Reproductive Sciences, University of Maryland School of Medicine, Baltimore, MD
| | - E Albert Reece
- Department of Obstetrics, Gynecology, and Reproductive Sciences, University of Maryland School of Medicine, Baltimore, MD; Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, MD
| | - Ashley R Wang
- Department of Obstetrics, Gynecology, and Reproductive Sciences, University of Maryland School of Medicine, Baltimore, MD
| | - Peixin Yang
- Chinese-American Research Institute for Diabetic Complications, School of Pharmaceutical Sciences, Wenzhou Medical University, Chashan University-town, Wenzhou, Zhejiang, China; Department of Obstetrics, Gynecology, and Reproductive Sciences, University of Maryland School of Medicine, Baltimore, MD; Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, MD.
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Abstract
Mycophenolate is often used in the management of systemic lupus erythematosus. It has often been associated with significant fetal embryopathy, including fetal loss and multiple anomalies. The Food and Drug Administration has directed that women should be counseled regarding this prior to initiating treatment with this drug. Isolated total anomalous pulmonary venous return (TAPVR) is a rare association seen with its use in pregnancy.
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Affiliation(s)
- Ranjit I Kylat
- Division of Neonatal-Perinatal Medicine and Developmental Biology, Department of Pediatrics, University of Arizona, Tucson, Arizona, United States
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Abstract
A strong causal association has become evident between Zika virus (ZIKV) infection during pregnancy and the occurrence of fetal growth restriction, microcephaly and eye defects. Circumstantial evidence is presented in this paper in support of the hypothesis that these effects, as well as the Guillain-Barré syndrome, are due to an endogenous form of hypervitaminosis A resulting from ZIKV infection-induced damage to the liver and the spillage of stored vitamin A compounds (“retinoids”) into the maternal and fetal circulation in toxic concentrations. Retinoids are mainly stored in the liver (about 80%) and are essential for numerous biological functions. In higher concentration, retinoids are potentially cytotoxic, pro-oxidant, mutagenic and teratogenic, especially if sudden shifts occur in their bodily distribution. Although liver involvement has not been mentioned specifically in recent reports, conventional liver enzyme tests underestimate the true extent of liver dysfunction. The proposed model could be tested by comparing retinoid concentration and expression profiles in microcephalic newborns of ZIKV-infected mothers and nonmicrocephalic newborn controls, and by correlating these profiles with measures of clinical severity.
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Affiliation(s)
- Anthony R Mawson
- Department of Epidemiology and Biostatistics, School of Public Health (Initiative), Jackson State University , Jackson, Mississippi
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Dong D, Reece EA, Lin X, Wu Y, AriasVillela N, Yang P. New development of the yolk sac theory in diabetic embryopathy: molecular mechanism and link to structural birth defects. Am J Obstet Gynecol 2016; 214:192-202. [PMID: 26432466 PMCID: PMC4744545 DOI: 10.1016/j.ajog.2015.09.082] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2015] [Revised: 09/18/2015] [Accepted: 09/22/2015] [Indexed: 12/12/2022]
Abstract
Maternal diabetes mellitus is a significant risk factor for structural birth defects, including congenital heart defects and neural tube defects. With the rising prevalence of type 2 diabetes mellitus and obesity in women of childbearing age, diabetes mellitus-induced birth defects have become an increasingly significant public health problem. Maternal diabetes mellitus in vivo and high glucose in vitro induce yolk sac injuries by damaging the morphologic condition of cells and altering the dynamics of organelles. The yolk sac vascular system is the first system to develop during embryogenesis; therefore, it is the most sensitive to hyperglycemia. The consequences of yolk sac injuries include impairment of nutrient transportation because of vasculopathy. Although the functional relationship between yolk sac vasculopathy and structural birth defects has not yet been established, a recent study reveals that the quality of yolk sac vasculature is related inversely to embryonic malformation rates. Studies in animal models have uncovered key molecular intermediates of diabetic yolk sac vasculopathy, which include hypoxia-inducible factor-1α, apoptosis signal-regulating kinase 1, and its inhibitor thioredoxin-1, c-Jun-N-terminal kinases, nitric oxide, and nitric oxide synthase. Yolk sac vasculopathy is also associated with abnormalities in arachidonic acid and myo-inositol. Dietary supplementation with fatty acids that restore lipid levels in the yolk sac lead to a reduction in diabetes mellitus-induced malformations. Although the role of the human yolk in embryogenesis is less extensive than in rodents, nevertheless, human embryonic vasculogenesis is affected negatively by maternal diabetes mellitus. Mechanistic studies have identified potential therapeutic targets for future intervention against yolk sac vasculopathy, birth defects, and other complications associated with diabetic pregnancies.
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Affiliation(s)
- Daoyin Dong
- Department of Obstetrics, Gynecology & Reproductive Sciences, University of Maryland School of Medicine, Baltimore, MD
| | - E Albert Reece
- Department of Obstetrics, Gynecology & Reproductive Sciences, University of Maryland School of Medicine, Baltimore, MD; Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, MD
| | - Xue Lin
- Department of Obstetrics, Gynecology & Reproductive Sciences, University of Maryland School of Medicine, Baltimore, MD
| | - Yanqing Wu
- Department of Obstetrics, Gynecology & Reproductive Sciences, University of Maryland School of Medicine, Baltimore, MD
| | - Natalia AriasVillela
- Department of Obstetrics, Gynecology & Reproductive Sciences, University of Maryland School of Medicine, Baltimore, MD
| | - Peixin Yang
- Department of Obstetrics, Gynecology & Reproductive Sciences, University of Maryland School of Medicine, Baltimore, MD; Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, MD.
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Kowalski TW, Sanseverino MTV, Schuler-Faccini L, Vianna FSL. Thalidomide embryopathy: Follow-up of cases born between 1959 and 2010. ACTA ACUST UNITED AC 2015; 103:794-803. [PMID: 26043318 DOI: 10.1002/bdra.23376] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2014] [Revised: 11/07/2014] [Accepted: 11/26/2014] [Indexed: 12/12/2022]
Abstract
BACKGROUND Thalidomide is a known teratogen and it is estimated that more than ten thousand babies were affected by thalidomide embryopathy (TE), which is characterized mainly by limb defects, but can involve many organs and systems. Most people with TE were only evaluated at birth and it is not well established if thalidomide exposure during embryonic development leads to later effects. We analyzed the clinical history of adults with TE to better understand this gap in the clinical findings of TE. METHODS Brazilian individuals with TE were invited to answer a clinical questionnaire which considered family history, social information, medical history, and current clinical and psychological health status. A clinical examination was also performed, including on the infant subjects to evaluate congenital anomalies. The characterization of the features was analyzed using descriptive statistics and Chi-square or Fisher's exact test. RESULTS The congenital anomalies caused by thalidomide were reviewed in 28 Brazilian individuals, and the questionnaire was applied to the 23 adult subjects with TE (aged 19 to 55). Progressive deafness and dental loss were reported. From the comparison of TE individuals with the general Brazilian population, the early onset of cardiovascular diseases (p = 0.009) and a higher frequency of psychological disorders (p = 0.011) were observed. CONCLUSION Although there is no sufficient evidence that thalidomide exposure caused or worsened the described events, this approach helps to better understand the TE phenotype, improves the clinical diagnosis, and can lead to adequate health support for these individuals.
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Affiliation(s)
- Thayne Woycinck Kowalski
- PPGBM (Programa de Pós Graduação em Genética e Biologia Molecular), Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil.,National Institute of Population Medical Genetics, INAGEMP, Porto Alegre, Brazil
| | - Maria Teresa Vieira Sanseverino
- PPGBM (Programa de Pós Graduação em Genética e Biologia Molecular), Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil.,National Institute of Population Medical Genetics, INAGEMP, Porto Alegre, Brazil.,Teratogen Information Service, Medical Genetics Service, Hospital de Clínicas de Porto Alegre, Brazil
| | - Lavinia Schuler-Faccini
- PPGBM (Programa de Pós Graduação em Genética e Biologia Molecular), Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil.,National Institute of Population Medical Genetics, INAGEMP, Porto Alegre, Brazil.,Teratogen Information Service, Medical Genetics Service, Hospital de Clínicas de Porto Alegre, Brazil
| | - Fernanda Sales Luiz Vianna
- PPGBM (Programa de Pós Graduação em Genética e Biologia Molecular), Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil.,National Institute of Population Medical Genetics, INAGEMP, Porto Alegre, Brazil.,Teratogen Information Service, Medical Genetics Service, Hospital de Clínicas de Porto Alegre, Brazil.,Programa de Pós Graduação em Epidemiologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
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Veeriah V, Saran U, Swaminathan A, Balaguru UM, Thangaraj P, Nagarajan S, Rajendran VK, Chatterjee S. Cadmium-induced embryopathy: nitric oxide rescues teratogenic effects of cadmium. Toxicol Sci 2014; 144:90-104. [PMID: 25490952 DOI: 10.1093/toxsci/kfu258] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Although Cadmium (Cd) is a well-known heavy metal pollutant and teratogen, the mechanism behind Cd-mediated teratogenicity remains unknown. Previously, we have reported of the protective role of Nitric oxide (NO), a key signaling molecule in the embryonic developmental process, against Thalidomide-induced teratogenicity. The objective of this study was to obtain a mechanistic in-sight of the antiteratogenic potential of NO against Cd-mediated teratogenicity. To achieve this goal, we first studied the effect of Cd on the vasculature of developing embryos and then we investigated whether Cd mediated its effects by interfering with the redox regulation of NO signaling in the early development milieu. We used a chick embryonic model to determine the time and dose-dependent effects of Cd and NO recovery against Cd assault. The effects of Cd and NO recovery were assessed using various angiogenic assays. Redox and NO levels were also measured. Results demonstrated that exposure to Cd at early stage of development caused multiple birth defects in the chick embryos. Exposure to Cd suppressed endogenous NO levels and cGMP signaling, inhibiting angioblast activation and subsequently impairing yolk sac vascular development. Furthermore, Cd-induced superoxide and lipid peroxidation mediated activation of proapoptotic markers p21 and p53 in the developing embryo. Cd also caused the down-regulation of FOXO1, and up-regulation of FOXO3a and Caspase 3-mediated apoptosis. Addition of exogenous NO through a NO donor was able to blunt Cd-mediated effects and restore normal vascular and embryonic development. In conclusion, Cd-mediated teratogenicity occurs as a result of impaired NO-cGMP signaling, increased oxidative stress, and the activation of apoptotic pathways. Subsequent addition of exogenous NO through NO donor negated Cd-mediated effects and protected the developing embryo.
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Affiliation(s)
- Vimal Veeriah
- *Vascular Biology Laboratory, AU-KBC Research Centre, Anna University, Chennai 600044, India and Department of Biotechnology, Anna University, Chennai 600044, India
| | - Uttara Saran
- *Vascular Biology Laboratory, AU-KBC Research Centre, Anna University, Chennai 600044, India and Department of Biotechnology, Anna University, Chennai 600044, India
| | - Akila Swaminathan
- *Vascular Biology Laboratory, AU-KBC Research Centre, Anna University, Chennai 600044, India and Department of Biotechnology, Anna University, Chennai 600044, India
| | - Uma Maheswari Balaguru
- *Vascular Biology Laboratory, AU-KBC Research Centre, Anna University, Chennai 600044, India and Department of Biotechnology, Anna University, Chennai 600044, India
| | - Pradeep Thangaraj
- *Vascular Biology Laboratory, AU-KBC Research Centre, Anna University, Chennai 600044, India and Department of Biotechnology, Anna University, Chennai 600044, India
| | - Shunmugam Nagarajan
- *Vascular Biology Laboratory, AU-KBC Research Centre, Anna University, Chennai 600044, India and Department of Biotechnology, Anna University, Chennai 600044, India
| | - Vinoth Kumar Rajendran
- *Vascular Biology Laboratory, AU-KBC Research Centre, Anna University, Chennai 600044, India and Department of Biotechnology, Anna University, Chennai 600044, India
| | - Suvro Chatterjee
- *Vascular Biology Laboratory, AU-KBC Research Centre, Anna University, Chennai 600044, India and Department of Biotechnology, Anna University, Chennai 600044, India *Vascular Biology Laboratory, AU-KBC Research Centre, Anna University, Chennai 600044, India and Department of Biotechnology, Anna University, Chennai 600044, India
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Ghassemi Jahani SA, Danielson B, Karlsson J, Danielsson AJ. Long-term follow-up of thalidomide embryopathy: malformations and development of osteoarthritis in the lower extremities and evaluation of upper extremity function. J Child Orthop 2014; 8:423-33. [PMID: 25301261 PMCID: PMC4391049 DOI: 10.1007/s11832-014-0609-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2014] [Accepted: 08/28/2014] [Indexed: 02/03/2023] Open
Abstract
BACKGROUND Between 1959 and 1962, several children with multiple malformations were born after maternal intake of thalidomide during pregnancy, known as thalidomide embryopathy (TE). OBJECTIVES The aim of this study was to evaluate the malformations, their long-term effect on the function of the extremities and the development of degenerative osteoarthritis (OA) in the lower extremities. METHODS All living persons with TE in Sweden were invited to participate in the study. Thirty-one patients were examined clinically as a part of a multi-disciplinary follow-up programme. Evaluation of upper and lower limb function was performed by validated questionnaires [Disabilities of the Arm, Shoulder and Hand (DASH) and Rheumatoid and Arthritis Outcome Score (RAOS), respectively] and radiographic appearance of lower limbs by the use of spiral computed tomography. RESULTS Five individuals had severe malformations of the lower limbs and proximal femoral focal deficiency (PFFD), with significantly reduced function as found on the RAOS values. Twenty-seven patients had two fully functional arms and hands, despite the fact that 8% of shoulders, 26% of elbows/forearms and 70% of hands were malformed. Loss of gripping function did not significantly affect the upper extremity function, as measured by the DASH score. Ten patients without major deformities had OA in the hips and 15 in the knees, mostly mild and with no effect on the RAOS value. CONCLUSION A wide variety of malformations in the upper and lower limbs was found in the study group. Degenerative changes were found in the hips and the knees but were mostly mild and without major clinical significance. Despite upper limb anomalies that affected the fine motor skills, upper extremity function was not significantly reduced for most individuals. Individuals with PFFD along with major deformities of upper limbs had a reduced function of upper as well as lower limbs.
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Affiliation(s)
- Shadi A. Ghassemi Jahani
- Department of Orthopaedics, Sahlgrenska University Hospital, Gothenburg, Sweden ,Department of Orthopaedics, Kungälv Hospital, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Barbro Danielson
- Department of Radiology, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Jón Karlsson
- Department of Orthopaedics, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Aina J. Danielsson
- Department of Orthopaedics, Sahlgrenska University Hospital, Gothenburg, Sweden
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Abstract
Maternal diabetes during pregnancy is responsible for the occurrence of diabetic embryopathy, a spectrum of birth defects that includes heart abnormalities, neural tube defects, and caudal dysgenesis syndromes. Here, we report that mice transgenic for the homeodomain transcription factor Isl-1 develop profound caudal growth defects that resemble human sacral/caudal agenesis. Isl-1 is normally expressed in the pancreas and is required for pancreas development and endocrine cell differentiation. Aberrant regulation of this pancreatic transcription factor causes increased mesodermal cell death, and the severity of defects is dependent on transgene dosage. Together with the finding that mutation of the pancreatic transcription factor HLXB9 causes sacral agenesis, our results implicate pancreatic transcription factors in the pathogenesis of birth defects associated with diabetes.
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Affiliation(s)
- Yunhua Li Muller
- Former address: Samuel C. Johnson Medical Research Center, Mayo Clinic Scottsdale, Scottsdale, Arizona
- Current address: NIH-NIDDK, Epidemiology and Clinical Research Branch, 16th Street, Phoenix, Arizona
| | - Yir Gloria Yueh
- Former address: Samuel C. Johnson Medical Research Center, Mayo Clinic Scottsdale, Scottsdale, Arizona
- Current address: Department of Biochemistry, Midwestern University, 19555 N. 59th Avenue, Glendale, Arizona
| | - Paul J. Yaworsky
- Former address: Samuel C. Johnson Medical Research Center, Mayo Clinic Scottsdale, Scottsdale, Arizona
- Current address: Genomics Department, Wyeth-Ayerst Research, 87 Cambridge Park Drive, Cambridge, Massachusetts
| | - J. Michael Salbaum
- Former address: Samuel C. Johnson Medical Research Center, Mayo Clinic Scottsdale, Scottsdale, Arizona
- Former address: The Neurosciences Institute, 10640 John Jay Hopkins Drive, San Diego, California
- Current address: Center for Human Molecular Genetics, Munroe-Meyer Institute and Department of Genetics, Cell Biology and Anatomy, 5455 University of Nebraska Medical Center, Omaha, Nebraska
| | - Claudia Kappen
- Former address: Samuel C. Johnson Medical Research Center, Mayo Clinic Scottsdale, Scottsdale, Arizona
- Current address: Center for Human Molecular Genetics, Munroe-Meyer Institute and Department of Genetics, Cell Biology and Anatomy, 5455 University of Nebraska Medical Center, Omaha, Nebraska
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