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Westmark CJ, Kniss C, Sampene E, Wang A, Milunovich A, Elver K, Hessl D, Talboy A, Picker J, Haas-Givler B, Esler A, Gropman AL, Uy R, Erickson C, Velinov M, Tartaglia N, Berry-Kravis EM. Soy-Based Infant Formula is Associated with an Increased Prevalence of Comorbidities in Fragile X Syndrome. Nutrients 2020; 12:E3136. [PMID: 33066511 PMCID: PMC7602206 DOI: 10.3390/nu12103136] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 10/05/2020] [Accepted: 10/06/2020] [Indexed: 12/18/2022] Open
Abstract
A large number of adults and children consume soy in various forms, but little information is available regarding potential neurological side effects. Prior work indicates an association between the consumption of soy-based diets and seizure prevalence in mouse models of neurological disease and in children with autism. Herein, we sought to evaluate potential associations between the consumption of soy-based formula during infancy and disease comorbidities in persons with fragile X syndrome (FXS), while controlling for potentially confounding issues, through a retrospective case-control survey study of participants with FXS enrolled in the Fragile X Online Registry with Accessible Research Database (FORWARD). There was a 25% usage rate of soy-based infant formula in the study population. We found significant associations between the consumption of soy-based infant formula and the comorbidity of autism, gastrointestinal problems (GI) and allergies. Specifically, there was a 1.5-fold higher prevalence of autism, 1.9-fold GI problems and 1.7-fold allergies in participants reporting the use of soy-based infant formula. The major reason for starting soy-based infant formula was GI problems. The average age of seizure and allergy onset occurred long after the use of soy-based infant formula. We conclude that early-life feeding with soy-based infant formula is associated with the development of several disease comorbidities in FXS.
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Affiliation(s)
- Cara J. Westmark
- Department of Neurology, University of Wisconsin, Madison, WI 53706, USA
| | - Chad Kniss
- Survey Center, University of Wisconsin, Madison, WI 53706, USA; (C.K.); (K.E.)
| | - Emmanuel Sampene
- Department of Biostatistics & Medical Informatics, University of Wisconsin, Madison, WI 53792, USA;
| | - Angel Wang
- Department of Pediatrics, Rush University Medical Center, Chicago, IL 60612, USA; (A.W.); (E.M.B.-K.)
| | | | - Kelly Elver
- Survey Center, University of Wisconsin, Madison, WI 53706, USA; (C.K.); (K.E.)
| | - David Hessl
- MIND Institute and Department of Psychiatry and Behavioral Sciences, University of California, Davis, CA 95817, USA;
| | - Amy Talboy
- Departments of Human Genetics and Pediatrics, Emory University, Atlanta, GA 30322, USA;
| | | | - Barbara Haas-Givler
- Autism & Developmental Medicine Institute, Geisinger Lewisburg, Lewisburg, PA 17837, USA;
| | - Amy Esler
- Department of Pediatrics, University of Minnesota, Minneapolis, MN 55454, USA;
| | - Andrea L. Gropman
- Children’s National Health System, Washington, DC 20010, USA; (A.L.G.); (R.U.)
| | - Ryan Uy
- Children’s National Health System, Washington, DC 20010, USA; (A.L.G.); (R.U.)
| | - Craig Erickson
- Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229, USA;
| | - Milen Velinov
- Institute for Basic Research in Developmental Disabilities, Staten Island, NY 10314, USA;
| | - Nicole Tartaglia
- Department of Pediatrics, University of Colorado, Aurora, CO 80045, USA;
| | - Elizabeth M. Berry-Kravis
- Department of Pediatrics, Rush University Medical Center, Chicago, IL 60612, USA; (A.W.); (E.M.B.-K.)
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Uy R, Hatch T. Four-year-old female with abdominal pain (case presentation). Acta Paediatr 2014; 103:687-8. [PMID: 24903446 DOI: 10.1111/apa.12621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2014] [Revised: 02/18/2014] [Accepted: 03/03/2014] [Indexed: 11/26/2022]
Affiliation(s)
- Ryan Uy
- Department of Pediatrics, Southern Illinois University - School of Medicine, Springfield, IL, USA.
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Uy R, Hatch T. Four-year-old female with abdominal pain (discussion and diagnosis). Acta Paediatr 2014; 103:788-9. [PMID: 24903447 DOI: 10.1111/apa.12626] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2014] [Revised: 02/18/2014] [Accepted: 03/03/2014] [Indexed: 11/30/2022]
Affiliation(s)
- Ryan Uy
- Department of Pediatrics, Southern Illinois University - School of Medicine, Springfield, IL, USA
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Abstract
Insulin allergy and antibody-mediated resistance may complicate therapy with animal insulins. We describe a 53-year-old man manifesting both resistance and persistent systemic allergy despite treatment with recombinant human insulin. Insulin resistance and symptoms of allergy appeared in this patient several months after initiating therapy with mixed beef-pork insulin, as is often the case. Symptoms initially improved, but persisted, and then worsened again, despite continuous human insulin therapy. Total insulin-binding capacity by Scatchard analysis, high plasma insulin-binding capacity, and specific anti-insulin antibody levels were consistent with an immunologic form of insulin resistance. Glucocorticoid therapy was required both to reduce allergic findings and to restore glycemic control. Although recently available human insulins may be less immunogenic than animal forms, immune responses to exogenous human insulin still may pose significant clinical problems.
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Affiliation(s)
- M A Ganz
- Department of Medicine, Northwestern University Medical School, Chicago, Ill
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Abstract
A search for derivatized amino acids in proteins has shown that the extent of posttranslational modification of proteins is quite substantial. While only 20 primary amino acids are specified in the genetic code and are involved as monomer building blocks in the assembly of the polypeptide chain, about 140 amino acids and amino acid derivatives have been identified as constituents of different proteins in different organisms. A brief consideration of the questions about where and when the derivatization reactions occur, how the specificity of the reactions is established, and how the posttranslational modifications can facilitate biological processes, reveal a need for more information on all these points. Answers to these questions should represent significant contributions to our understanding of biochemistry and cell biology.
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Abstract
In this chapter, we present a brief overview of the current status of protein crosslinking technology. An attempt is made to compare the natural crosslinks and natural crosslinking agents to the artificial ones, and a brief section is devoted to the potential use of enzymes (transglutaminase and peroxidase) as crosslinking agents in vitro. Homobifunctional (x-R-x) and heterobifunctional (x-R-y) reagents are considered in terms of the kinds of functional groups and R-groups that have been used in protein crosslinking, and some examples of reagents and applications from the recent literature are tabulated.
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Huisman TH, Brown AK, Efremov GD, Wilson JB, Reynolds CA, Uy R, Smith LL. Hemoglobin Savannah (B6(24) beta-glycine is greater than valine): an unstable variant causing anemia with inclusion bodies. J Clin Invest 1971; 50:650-9. [PMID: 5545125 PMCID: PMC291973 DOI: 10.1172/jci106535] [Citation(s) in RCA: 48] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
An abnormal hemoglobin, termed Hb Savannah, was found in red cell hemolysate of a young Caucasian girl with severe hemolytic anemia. The presence of this unstable variant became evident when inclusion bodies appeared rapidly upon exposure of red cells to redox dyes and a large percentage of hemoglobin in hemolysate precipitated on warming to 65 degrees C. Treatment of the hemoglobin with p-hydroxymercuribenzoate (PMB) caused a rapid dissociation into monomers; starch-gel electrophoresis of PMB-treated hemoglobin showed the presence of abnormal beta-chains. Data from structural studies of isolated beta-chains indicated substitution of a valyl residue for the normally occurring glycyl residue at position 24, which corresponds to helical residue B6. A similar substitution but with an arginine replacing the glycyl residue has been observed in Hb Riverdale-Bronx. The glycine to valine substitution will change the relationship of the B and the E helices which results in extensive conformational changes in the beta-chain. This change presumably causes an increased dissociation of the hemoglobin molecule into dimers and probably monomers, and a decreased stability of the alphabeta-dimers. The hemoglobin abnormality may be the result of a fresh mutation because the abnormality is not present in the parents nor in any of the seven siblings.
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