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Abstract

The field of genetics and genetic testing has exploded over the past 30 years. Clinicians trained as primary care providers may not understand the varying tests that can be helpful in a variety of clinical scenarios. The diagnostic potential of the newer technology of genetic tests in pediatric patients may enable early, timely, and specific interventions to improve clinical outcomes. As clinicians order more genetic testing, diagnostic stewardship must be followed, and the right tests are ordered on the right patient at the right time. Ensuring that the results are interpreted correctly, communicated thoroughly to the patient, and utilized to improve patient outcomes is the responsibility of the ordering clinician. Genetic testing is complicated and should not be ordered if the clinician is not knowledgeable about the different tests and how to use them. Therefore, a careful history with a three-generation family history is the clinician’s responsibility before ordering any genetic testing. A dysmorphology examination can help clarify possible diagnoses. A genetic diagnosis has life-changing implications for families. The patient has frequently been on a diagnostic journey before receiving the genetic diagnosis. Clinicians must be mindful of the ethical considerations when the results are communicated to parents. As the cost of next-generation sequencing drops, the way healthcare is delivered will continue to shift toward precision medicine with a tailored treatment for illnesses.

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References

  • Abou Tayoun AN, Al Turki SH, Oza AM, Bowser MJ, Hernandez AL, Funke BH, et al. Improving hearing loss gene testing: a systematic review of gene evidence toward more efficient next-generation sequencing-based diagnostic testing and interpretation. Genet Med. 2016;18(6):545–53.

    Article  CAS  PubMed  Google Scholar 

  • Antshel KM, Russo N. Autism spectrum disorders and ADHD: overlapping phenomenology, diagnostic issues, and treatment considerations. Curr Psychiatry Rep. 2019;21(5):34.

    Article  PubMed  Google Scholar 

  • Baker, Schaumburg, Munn-Chernoff. Genetics of anorexia nervosa. Curr Psychiatry Rep. 2017;19:84.

    Article  PubMed  PubMed Central  Google Scholar 

  • Butler MG. Imprinting disorders: a mini-review. Assist Reprod Genet. 2009;26:477–86.

    Article  Google Scholar 

  • Butler MG. Imprinting disorders in humans: a review. Curr Opin Pediatr. 2020;32(6):719–29.

    Article  PubMed  PubMed Central  Google Scholar 

  • Char DS. Whole-genome sequencing in critically ill infants and emerging ethical challenges. Semin Perinatol. 2015;39(8):573–5.

    Google Scholar 

  • Chen E, Saul RA. Building an accurate family history, constructing a pedigree: an overview for primary care. Time out genetics webinar series presented by the genetics in primary care institute. April 26, 2012.

    Google Scholar 

  • Corfield J. Base pairs. Retrieved from https://www.britannica.com/science/base-pair on July 31, 2021.

  • Correa H. Li-Fraumeni syndrome. J Pediatr Genet. 2016;5(2):84–8.

    Article  CAS  PubMed  PubMed Central  Google Scholar 

  • Dinarvand P, Davaro EP, Doan JV, Ising ME, Evans NR, Phillips NJ, et al. Familial adenomatous polyposis syndrome: An update and review of extraintestinal manifestations. Arch Pathol Lab Med. 2019;143(11):1382–98.

    Article  CAS  PubMed  Google Scholar 

  • Farmer MB, Bonadies DC, Mahon SM, Baker MJ, Ghate SM, Munro C, et al. Adverse events in genetic testing: the fourth case series. Cancer J. 2019;25(4):231–6.

    Article  PubMed  Google Scholar 

  • Fogel BL, Lee H, Strom SP, Deignan JL, Nelson SF. Clinical exome sequencing in neurogenetic and neuropsychiatric disorders. Ann N Y Acad Sci. 2016;1366(1):49–60.

    Article  PubMed  Google Scholar 

  • Foley C, Corvin A, Nakagome S. Genetics of schizophrenia: ready to translate? Curr Psychiatry Rep. 2017;19(9):61.

    Article  PubMed  Google Scholar 

  • García-Giménez JL, Seco-Cervera M, Tollefsbol TO, Romá-Mateo C, Peiró-Chova L, Lapunzina P, Pallardó FV. Epigenetic biomarkers: current strategies and future challenges for their use in the clinical laboratory. Crit Rev Clin Lab Sci. 2017;54(7–8):529–50.

    Article  PubMed  PubMed Central  CAS  Google Scholar 

  • Gonorazky HD, Naumenko S, Ramani AK, Nelakuditi V, Mashouri P, Wang P, et al. Expanding the boundaries of RNA sequencing as a diagnostic tool for rare Mendelian disease. Am J Hum Genet. 2019;104(3):466–83.

    Article  CAS  PubMed  PubMed Central  Google Scholar 

  • Govindarajan R, Duraiyan J, Palanisamy M. Microarray and its application. J Pharm Bioallied Sci. 2012;4(2):S310–2.

    PubMed  PubMed Central  Google Scholar 

  • Grimm O, Krantz TM, Reif A. Genetics of ADHD: what should the clinician know? Curr Psychiatry Rep. 2020;22:18.

    Article  PubMed  PubMed Central  Google Scholar 

  • Hebbar M, Mefford HC. Recent advances in epilepsy genomics and genetic testing. F1000Res. 2020;9.:F1000 Faculty Rev:185.

    Article  CAS  Google Scholar 

  • Herman I, Lopez MA, Marafi D, Pehlivan D, Calame DG, Abid F, Lotze TE. Clinical exome sequencing in the diagnosis of pediatric neuromuscular disease. Muscle Nerve. 2021;63(3):304–10.

    Article  CAS  PubMed  Google Scholar 

  • Institute for Healthcare Improvement. Retrieved from http://www.ihi.org/resources/Pages/Tools/Ask-Me-3-Good-Questions-for-Your-Good-Health.aspx on July 1, 2021.

  • Jin MW, Xu SM, An Q, Wang P. A review of risk factors for childhood leukemia. Eur Rev Med Pharmacol Sci. 2016;20(18):3760–4.

    PubMed  Google Scholar 

  • Khan Academy. Microarray. Retrieved from https://www.khanacademy.org/test-prep/mcat/biomolecules/dna-technology/v/hybridization-microarray, 2021.

  • Kim AY, Bodurtha JN. Dysmorphology. Pediatr Rev. 2019;40(12):609–18.

    Article  PubMed  Google Scholar 

  • Lalonde E, Rentas S, Lin F, Dulik MC, Skraban CM, Spinner NB. Genomic diagnosis for pediatric disorders: revolution and evolution. Front Pediatr. 2020;8:373.

    Article  PubMed  PubMed Central  Google Scholar 

  • Latchford A, Cohen S, Auth M, Scaillon M, Viala J, Daniels R, et al. Management of Peutz-Jeghers Syndrome in children and adolescents: a position paper from the ESPGHAN Polyposis Working Group. J Pediatr Gastroenterol Nutr. 2019;68(3):442–52.

    Article  PubMed  Google Scholar 

  • Lee BH, Smith T, Paciorkowski AR. Autism spectrum disorder and epilepsy: disorders with a shared biology. Epilepsy Behav. 2015;47:191–201.

    Article  PubMed  PubMed Central  Google Scholar 

  • Levy B, Wapner R. Prenatal diagnosis by chromosomal microarray analysis. Fertil Steril. 2018;109(2):201–12.

    Article  PubMed  PubMed Central  Google Scholar 

  • Lionel AC, Costain G, Monfared N, Walker S, Reuter MS, Hosseini SM, Thiruvahindrapuram B, et al. Improved diagnostic yield compared with targeted gene sequencing panels suggests a role for whole-genome sequencing as a first-tier genetic test. Genet Med. 2018;20(4):435–43.

    Article  CAS  PubMed  Google Scholar 

  • Lowther C, Costain G, Baribeau DA, Bassett AS. Genomic disorders in psychiatry-what does the clinician need to know? Curr Psychiatry Rep. 2017;19(11):82.

    Article  PubMed  Google Scholar 

  • Marjonen H, Auvinen P, Kahila H, Tšuiko O, Kõks S, Tiirats A, et al. rs10732516 polymorphism at the IGF2/H19 locus associates with genotype-specific effects on placental DNA methylation and birth weight of newborns conceived by assisted reproductive technology. Clin Epigenetics. 2018;10:80.

    Article  PubMed  PubMed Central  CAS  Google Scholar 

  • Meier SM, Deckert J. Genetics of anxiety disorder. Curr Psychiatry Rep. 2019;21:16.

    Article  PubMed  Google Scholar 

  • Merkel EA, Mohan LS, Shi K, Panah E, Zhang B, Gerami P. Paediatric melanoma: clinical update, genetic basis, and advances in diagnosis. Lancet Child Adolesc Health. 2019;3(9):646–54.

    Article  PubMed  Google Scholar 

  • Mone F, Quinlan-Jones E, Kilby MD. Clinical utility of exome sequencing in the prenatal diagnosis of congenital anomalies: a review. Eur J Obstet Gynecol Reprod Biol. 2018;231:19–24.

    Article  PubMed  Google Scholar 

  • Mullin N, Lewis CM. Genetics of depression: Progress at last. Curr Psychiatry Rep. 2017;19:43.

    Article  Google Scholar 

  • Myers KA, Johnstone DL, Dyment DA. Epilepsy genetics: current knowledge, applications, and future directions. Clin Genet. 2019;95(1):95–111.

    Article  CAS  PubMed  Google Scholar 

  • Pauly R, Schwartz CE. The future of clinical diagnosis: moving functional genomics approaches to the bedside. Clin Lab Med. 2020;40(2):221–30.

    Article  PubMed  Google Scholar 

  • Payne K, Gavan SP, Wright SJ, Thompson AJ. Cost-effectiveness analyses of genetic and genomic diagnostic tests. Nat Rev Genet. 2018;19(4):235–46.

    Article  CAS  PubMed  Google Scholar 

  • Petersen BS, Fredrich B, Hoeppner MP, Ellinghaus D, Franke A. Opportunities and challenges of whole-genome and -exome sequencing. BMC Genet. 2017;18(1):14.

    Article  PubMed  PubMed Central  CAS  Google Scholar 

  • Petrikin JE, Willig LK, Smith LD, Kingsmore SF. Rapid whole-genome sequencing and precision neonatology. Semin Perinatol. 2015;39(8):623–31.

    Article  PubMed  PubMed Central  Google Scholar 

  • Pilarski R. PTEN hamartoma tumor syndrome: a clinical overview. Cancers (Basel). 2019;11(6):844.

    Article  Google Scholar 

  • Qi Y, Zheng Y, Li Z, Liu Z, Xiong L. Genetic studies of tic disorders and Tourette syndrome. Methods Mol Biol. 2019;2011:547–71.

    Article  CAS  PubMed  Google Scholar 

  • Ravi B, Antonellis A, Sumner CJ, Lieberman A. Genetic approaches to the treatment of neuromuscular diseases-evaluation of current practice and literature review. Neuromuscul Disord. 2019;29(1):14–20.

    Article  Google Scholar 

  • Roades WA, Steuber CP. Clinical assessment and differential diagnosis of the child with suspected cancer. In: Blaney SN, Helman LL, Adamson PC, editors. Pizzo and Poplack's principles and practice of Pediatric oncology. 8th ed. Philadelphia: Lippincott; 2020. p. 106–13.

    Google Scholar 

  • Sanders SJ, Campbell AJ, Cottrell JR, Moller RS, Wagner FF, Auldridge AL, et al. Progress in understanding and treating SCN2A-mediated disorders. Trends Neurosci. 2018;41(7):442–56.

    Article  CAS  PubMed  PubMed Central  Google Scholar 

  • Shearer AE, Smith RJ. Genetics: advances in genetic testing for deafness. Curr Opin Pediatr. 2012;24(6):679–86.

    Article  PubMed  PubMed Central  Google Scholar 

  • Sloan-Heggen CM, Bierer AO, Shearer AE, Kolbe DL, Nishimura CJ, Frees KL, et al. Comprehensive genetic testing in the clinical evaluation of 1119 patients with hearing loss. Hum Genet. 2016;135(4):441–50.

    Article  CAS  PubMed  PubMed Central  Google Scholar 

  • Smith HS, Swint JM, Lalani SR, Yamal JM, de Oliveira Otto MC, et al. Clinical application of genome and exome sequencing as a diagnostic tool for Pediatric patients: a scoping review of the literature. Genet Med. 2019;21(1):3–16.

    Article  CAS  PubMed  Google Scholar 

  • Soura E, Eliades PJ, Shannon K, Stratigos AJ, Tsao H. Hereditary melanoma: update on syndromes and management: genetics of familial atypical multiple mole melanoma syndromes. J Am Acad Dermatol. 2016;74(3):395–407.

    Article  PubMed  PubMed Central  Google Scholar 

  • Stoler JM. Prenatal and postnatal genetic testing: why, how, and when? Pediatr Ann. 2017;46(11):e423–7.

    Article  PubMed  Google Scholar 

  • Teekakirikul P, Zhu W, Huang HC, Fung E. Hypertrophic cardiomyopathy: An overview of genetics and management. Biomol Ther. 2019;9(12):878.

    CAS  Google Scholar 

  • The Jackson Laboratory. Retrieved from www.jax.org/ccep, on July 1, 2021.

  • Yohe S, Thyagarajan B. Review of clinical next-generation sequencing. Arch Pathol Lab Med. 2017;141(11):1544–57.

    Article  CAS  PubMed  Google Scholar 

  • Zoghbi HY, Beaudel AL. Epigenetics and human disease, 2018. Cold Spring Harb Perspect Biol. 2016;8(2):a019497.

    Article  PubMed  PubMed Central  CAS  Google Scholar 

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Correspondence to Rita Marie John .

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John, R.M., Kenny, A. (2022). Genetics and Pediatric Patient. In: John, R.M. (eds) Pediatric Diagnostic Labs for Primary Care: An Evidence-based Approach. Springer, Cham. https://doi.org/10.1007/978-3-030-90642-9_7

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  • DOI: https://doi.org/10.1007/978-3-030-90642-9_7

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