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Expanded newborn screening

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https://www.readbyqxmd.com/read/30319194/diagnostic-utility-of-cord-blood-thyroid-stimulating-hormone-in-congenital-hypothyroidism-in-the-era-of-expanded-newborn-screening
#1
C M Nasheeda, Prijo Philip, Rathika Damodara Shenoy, Sukanya Shetty
Even in the era of expanded newborn screening, utility of cord blood thyroid stimulating hormone (cTSH) for diagnosis of congenital hypothyroidism (CH) cannot be marginalised. This study was to assess the diagnostic utility of cTSH > 20 μIU/L for screening CH. Generation of new cTSH value was the main outcome measure, to increase specificity. Designed as a cross-sectional analytic study in the neonatal unit of teaching hospital, 1200 term neonates with birth weight ≥2500 g, with no perinatal complications were included...
October 2018: Indian Journal of Clinical Biochemistry: IJCB
https://www.readbyqxmd.com/read/30306077/metabolomics-a-challenge-for-detecting-and-monitoring-inborn-errors-of-metabolism
#2
REVIEW
Michele Mussap, Marco Zaffanello, Vassilios Fanos
Timely newborn screening and genetic profiling are crucial in early recognition and treatment of inborn errors of metabolism (IEMs). A proposed nosology of IEMs has inserted 1,015 well-characterized IEMs causing alterations in specific metabolic pathways. With the increasing expansion of metabolomics in clinical biochemistry and laboratory medicine communities, several research groups have focused their interest on the analysis of metabolites and their interconnections in IEMs. Metabolomics has the potential to extend metabolic information, thus allowing to achieve an accurate diagnosis for the individual patient and to discover novel IEMs...
September 2018: Annals of Translational Medicine
https://www.readbyqxmd.com/read/30302726/fourth-update-on-the-iranian-national-registry-of-primary-immunodeficiencies-integration-of-molecular-diagnosis
#3
Hassan Abolhassani, Fatemeh Kiaee, Marzieh Tavakol, Zahra Chavoshzadeh, Seyed Alireza Mahdaviani, Tooba Momen, Reza Yazdani, Gholamreza Azizi, Sima Habibi, Mohammad Gharagozlou, Masoud Movahedi, Amir Ali Hamidieh, Nasrin Behniafard, Mohammamd Nabavi, Mohammad Hassan Bemanian, Saba Arshi, Rasol Molatefi, Roya Sherkat, Afshin Shirkani, Reza Amin, Soheila Aleyasin, Reza Faridhosseini, Farahzad Jabbari-Azad, Iraj Mohammadzadeh, Javad Ghaffari, Alireza Shafiei, Arash Kalantari, Mahboubeh Mansouri, Mehrnaz Mesdaghi, Delara Babaie, Hamid Ahanchian, Maryam Khoshkhui, Habib Soheili, Mohammad Hossein Eslamian, Taher Cheraghi, Abbas Dabbaghzadeh, Mahmoud Tavassoli, Rasoul Nasiri Kalmarzi, Seyed Hamidreza Mortazavi, Sara Kashef, Hossein Esmaeilzadeh, Javad Tafaroji, Abbas Khalili, Fariborz Zandieh, Mahnaz Sadeghi-Shabestari, Sepideh Darougar, Fatemeh Behmanesh, Hedayat Akbari, Mohammadreza Zandkarimi, Farhad Abolnezhadian, Abbas Fayezi, Mojgan Moghtaderi, Akefeh Ahmadiafshar, Behzad Shakerian, Vahid Sajedi, Behrang Taghvaei, Mojgan Safari, Marzieh Heidarzadeh, Babak Ghalebaghi, Seyed Mohammad Fathi, Behzad Darabi, Saeed Bazregari, Nasrin Bazargan, Morteza Fallahpour, Alireza Khayatzadeh, Naser Javahertrash, Bahram Bashardoust, Mohammadali Zamani, Azam Mohsenzadeh, Sarehsadat Ebrahimi, Samin Sharafian, Ahmad Vosughimotlagh, Mitra Tafakoridelbari, Maziar Rahimi, Parisa Ashournia, Anahita Razaghian, Arezou Rezaei, Setareh Mamishi, Nima Parvaneh, Nima Rezaei, Lennart Hammarström, Asghar Aghamohammadi
BACKGROUND: The number of inherited diseases and the spectrum of clinical manifestations of primary immunodeficiency disorders (PIDs) are ever-expanding. Molecular diagnosis using genomic approaches should be performed for all PID patients since it provides a resource to improve the management and to estimate the prognosis of patients with these rare immune disorders. METHOD: The current update of Iranian PID registry (IPIDR) contains the clinical phenotype of newly registered patients during last 5 years (2013-2018) and the result of molecular diagnosis in patients enrolled for targeted and next-generation sequencing...
October 2018: Journal of Clinical Immunology
https://www.readbyqxmd.com/read/30294546/the-first-pediatric-case-of-glucagon-receptor-defect-due-to-biallelic-mutations-in-gcgr-is-identified-by-newborn-screening-of-elevated-arginine
#4
Hong Li, Lihua Zhao, Rani Singh, J Nina Ham, Doris O Fadoju, Lora J H Bean, Yan Zhang, Yong Xu, H Eric Xu, Michael J Gambello
Glucagon receptor (GCGR) defect (Mahvash disease) is an autosomal recessive hereditary pancreatic neuroendocrine tumor (PNET) syndrome that has only been reported in adults with pancreatic α cell hyperplasia and PNETs. We describe a 7-year-old girl with persistent hyperaminoacidemia, notable for elevations of glutamine (normal ammonia), alanine (normal lactate), dibasic amino acids (arginine, lysine and ornithine), threonine and serine. She initially was brought to medical attention by an elevated arginine on newborn screening (NBS) and treated for presumed arginase deficiency with a low protein diet, essential amino acids formula and an ammonia scavenger drug...
December 2018: Molecular Genetics and Metabolism Reports
https://www.readbyqxmd.com/read/30289543/adrenoleukodystrophy-guidance-for-adrenal-surveillance-in-males-identified-by-newborn-screen
#5
Molly O Regelmann, Manmohan K Kamboj, Bradley S Miller, Jon M Nakamoto, Kyriakie Sarafoglou, Sejal Shah, Takara L Stanley, Rose Marino
Context: Adrenoleukodystrophy (ALD) is a peroxisomal disorder associated with neurologic decompensation and adrenal insufficiency. Newborn screening for ALD has recently been implemented in five states with plans to expand to all 50 states in the United States. Adrenal insufficiency ultimately develops in most males with ALD, but the earliest age of onset is not well established. Objective: These clinical recommendations are intended to address screening for adrenal insufficiency in boys identified to have ALD by newborn screen...
November 1, 2018: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/30288434/understanding-midwives-preferences-for-providing-information-about-newborn-bloodspot-screening
#6
Stuart James Wright, Fiona Ulph, Tina Lavender, Nimarta Dharni, Katherine Payne
Background: Understanding preferences for information provision in the context of health care service provision is challenging because of the number of potential attributes that may influence preferences. This study aimed to identify midwives' preferences for the process and outcomes of information provision in an expanded national newborn bloodspot screening program. Design: A sample of practicing midwives completed a hybrid-stated preference survey including a conjoint analysis (CA) and discrete choice experiment to quantify preferences for the types of, and way in which, information should be provided in a newborn bloodspot screening program...
January 2018: MDM Policy & Practice
https://www.readbyqxmd.com/read/30248687/-spinal-muscular-atrophy-clinical-spectrum-and-therapy
#7
Maggie C Walter, Anne Julia Stauber
Spinal muscular atrophy (SMA) is a progressive autosomal recessive motor neuron disease with an incidence of 1:10,000 live births, caused by loss of the survival motor neuron 1 gene (SMN1), and represents the most frequent neurodegenerative disorder in children. With greater understanding of the molecular basis of SMA in the past two decades, a major focus of therapeutic developments has been on increasing the fulllength SMN protein by increasing the inclusion of exon 7 in SMN2 transcripts, enhancing SMN2 gene expression, stabilizing the SMN protein or replacing the SMN1 gene...
September 2018: Fortschritte der Neurologie-Psychiatrie
https://www.readbyqxmd.com/read/30198059/impact-of-pregnancy-on-inborn-errors-of-metabolism
#8
REVIEW
Gisela Wilcox
Once based mainly in paediatrics, inborn errors of metabolism (IEM), or inherited metabolic disorders (IMD) represent a growing adult medicine specialty. Individually rare these conditions have currently, a collective estimated prevalence of >1:800. Diagnosis has improved through expanded newborn screening programs, identification of potentially affected family members and greater awareness of symptomatic presentations in adolescence and in adulthood. Better survival and reduced mortality from previously lethal and debilitating conditions means greater numbers transition to adulthood...
September 10, 2018: Reviews in Endocrine & Metabolic Disorders
https://www.readbyqxmd.com/read/30181955/molecular-and-clinical-characterization-of-citrin-deficiency-in-a-cohort-of-chinese-patients-in-hong-kong
#9
S C Chong, P Lo, C W Chow, L Yuen, W C W Chu, T Y Leung, J Hui, F Scaglia
BACKGROUND AND OBJECTIVES: This retrospective study analysed a case series of subjects with citrin deficiency, and aims to present the molecular and clinical characterization of this disease in the Hong Kong Chinese population for the first time. PATIENTS AND METHODS: Data from medical records of eighteen patients with citrin deficiency (years 2006-2015) were retrieved. Demographic data, biochemical parameters, radiological results, genetic testing results, management, and clinical outcome were collected and analysed...
December 2018: Molecular Genetics and Metabolism Reports
https://www.readbyqxmd.com/read/30179615/identification-of-an-inherited-pathogenic-dnajc12-variant-in-a-patient-with-hyperphenylalalinemia
#10
Yi Feng, Sichi Liu, Chengfang Tang, Xiang Jiang, Fang Tang, Bei Li, Xuefang Jia, Qianyu Chen, Jilian Liu, Yonglan Huang
Hyperphenylalaninemia (HPA), an abnormal condition of phenylalanine metabolism, was recently reported to be caused by DNAJC12 mutations. As the heat shock co-chaperone, DNAJC12 prevents the aggregation of misfolded or aggregation-prone proteins and maintain the correct assembly and degradation. Here, we report a patient with unexplained HPA detected by newborn screening. Differential diagnoses of pterin profile and targeted next generation sequencing of excluded the most common causes of the defects of the enzyme phenylalanine hydroxylase or its cofactor tetrahydrobiopterin (BH4)...
September 1, 2018: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/30133732/eugenics-redux-reproductive-benefit-as-a-rationale-for-newborn-screening
#11
Diane B Paul
In recent years, as newborn screening has expanded to include conditions for which treatment is questionable, new rationales for screening have proliferated. One such rationale is the potential reproductive benefit to parents from the detection of a genetic condition or carrier status in infants. An unanticipated consequence of invoking knowledge of reproductive risk as a major benefit of screening has been to open newborn screening to the charge that it constitutes state-sanctioned eugenics. Thus, an endeavor that had been viewed as the converse of state programs of selective breeding has come to be seen in some quarters as yet another of its incarnations...
July 2018: Hastings Center Report
https://www.readbyqxmd.com/read/30133725/what-genomic-sequencing-can-offer-universal-newborn-screening-programs
#12
Cynthia M Powell
Massively parallel sequencing, also known as next-generation sequencing, has the potential to significantly improve newborn screening programs in the United States and around the world. Compared to genetic tests whose use is well established, sequencing allows for the analysis of large amounts of DNA, providing more comprehensive and rapid results at a lower cost. It is already being used in limited ways by some public health newborn screening laboratories in the United States and other countries-and it is under study for broader and more widespread use, including as a core part of newborn screening programs...
July 2018: Hastings Center Report
https://www.readbyqxmd.com/read/30133722/families-experiences-with-newborn-screening-a-critical-source-of-evidence
#13
Rachel Grob, Scott Roberts, Stefan Timmermans
Debates about expanding newborn screening with whole genome sequencing are fueled by data about public perception, public opinion, and the positions taken by public advocates and advocacy groups. One form of evidence that merits attention as we consider possible uses of whole-genome sequencing during the newborn period is parents' (and children's) diverse experiences with existing expanded screening protocols. What do we know about this experience base? And what implications might these data have for decisions about how we use whole genome sequencing and how we assess its impact in the future? Although the broader literature on genetic susceptibility testing suggests that testing usually does not have adverse effects on children's psychosocial well-being, certain newborn screening results have been demonstrated to cause distress, alter behavior, and even to influence the formation of new parental and family identities...
July 2018: Hastings Center Report
https://www.readbyqxmd.com/read/30124582/newborn-screening-in-the-developing-countries
#14
Bradford L Therrell, Carmencita D Padilla
PURPOSE OF REVIEW: We review newborn screening (NBS) publications from the developing countries to identify global progress in improving child health. RECENT FINDINGS: Many developing countries do not yet have national NBS. As infant mortality rates decline, NBS gains in public health priority. Local incidence and outcome data are used to persuade health officials to include screening in priority health spending. Congenital hypothyroidism is the most cost-effective screened condition in most countries...
August 16, 2018: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/30106543/genetic-counseling-prior-to-assisted-reproductive-technology-procedures-in-the-era-of-cytogenomics
#15
Roberto Coco
The possibility of sequencing hundreds of genes simultaneously and performing molecular karyotyping thanks to the introduction of novel genetic tools has expanded the use of preconception screening for blastocyst recessive mutations and aneuploidies before embryo transfer, with the ultimate purpose of increasing the proportion of normal healthy newborns. Since medically-assisted reproduction procedures are increasingly required to be eugenic, and the aforementioned genetic tests cover only half of the potential genetic diseases occurring at birth, it seems reasonable to incorporate genetic counseling in the practice of assisted reproduction to avoid prosecution for malpractice...
August 14, 2018: JBRA Assisted Reproduction
https://www.readbyqxmd.com/read/30061280/development-and-validation-of-a-phenotypic-high-content-imaging-assay-for-assessing-the-antiviral-activity-of-small-molecule-inhibitors-targeting-zika-virus
#16
Jean A Bernatchez, Zunhua Yang, Michael Coste, Jerry Li, Sungjun Beck, Yan Liu, Alex E Clark, Zhe Zhu, Lucas A Luna, Christal D Sohl, Byron W Purse, Rongshi Li, Jair L Siqueira-Neto
Zika virus (ZIKV) has been linked to the development of microcephaly in newborns, as well as Guillain-Barré syndrome. There are currently no drugs available to treat ZIKV infection, and accordingly, there is an unmet medical need for the discovery of new therapies. High-throughput drug screening efforts focusing on indirect readouts of cell viability are prone to a higher frequency of false positives in cases where the virus is viable in the cell but the cytopathic effect (CPE) is reduced or delayed. Here, we describe a fast and label-free phenotypic high-content imaging assay to detect cells affected by the virus-induced CPE using automated imaging and analysis...
October 2018: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29996803/mild-clinical-features-of-isolated-methylmalonic-acidemia-associated-with-a-novel-variant-in-the-mmaa-gene-in-two-chinese-siblings
#17
Yiming Lin, Chunmei Lin, Weihua Lin, Zhenzhu Zheng, Mingya Han, Qingliu Fu
BACKGROUND: Methylmalonic acidemia (MMA) is an autosomal recessive inherited disorder caused by complete or partial deficiency of the enzyme methylmalonyl-CoA mutase (mut0 enzymatic subtype or mut- enzymatic subtype, respectively); a defect in the transport or synthesis of its cofactor, adenosyl-cobalamin (cblA, cblB, or cblD-MMA); or deficiency of the enzyme methylmalonyl-CoA epimerase. The cblA type of MMA is very rare in China. This study aimed to describe the biochemical, clinical, and genetic characteristics of two siblings in a Chinese family, suspected of having the cblA-type of MMA...
July 11, 2018: BMC Medical Genetics
https://www.readbyqxmd.com/read/29950170/evaluating-parents-decisions-about-next-generation-sequencing-for-their-child-in-the-nc-nexus-north-carolina-newborn-exome-sequencing-for-universal-screening-study-a-randomized-controlled-trial-protocol
#18
Laura V Milko, Christine Rini, Megan A Lewis, Rita M Butterfield, Feng-Chang Lin, Ryan S Paquin, Bradford C Powell, Myra I Roche, Katherine J Souris, Donald B Bailey, Jonathan S Berg, Cynthia M Powell
BACKGROUND: Using next-generation sequencing (NGS) in newborn screening (NBS) could expand the number of genetic conditions detected pre-symptomatically, simultaneously challenging current precedents, raising ethical concerns, and extending the role of parental decision-making in NBS. The NC NEXUS (Newborn Exome Sequencing for Universal Screening) study seeks to assess the technical possibilities and limitations of NGS-NBS, devise and evaluate a framework to convey various types of genetic information, and develop best practices for incorporating NGS-NBS into clinical care...
June 28, 2018: Trials
https://www.readbyqxmd.com/read/29946514/diversity-in-the-incidence-and-spectrum-of-organic-acidemias-fatty-acid-oxidation-disorders-and-amino-acid-disorders-in-asian-countries-selective-screening-vs-expanded-newborn-screening
#19
Naoaki Shibata, Yuki Hasegawa, Kenji Yamada, Hironori Kobayashi, Jamiyan Purevsuren, Yanling Yang, Vu Chi Dung, Nguyen Ngoc Khanh, Ishwar C Verma, Sunita Bijarnia-Mahay, Dong Hwan Lee, Dau-Ming Niu, Georg F Hoffmann, Yosuke Shigematsu, Toshiyuki Fukao, Seiji Fukuda, Takeshi Taketani, Seiji Yamaguchi
Background: Expanded newborn screening (ENBS) utilizing tandem mass spectrometry (MS/MS) for inborn metabolic diseases (IMDs), such as organic acidemias (OAs), fatty acid oxidation disorders, (FAODs), and amino acid disorders (AAs), is increasingly popular but has not yet been introduced in many Asian countries. This study aimed to determine the incidence rates of OAs, FAODs, and AAs in Asian countries and Germany using selective screening and ENBS records. Materials and methods: Selective screening for IMDs using gas chromatography-mass spectrometry and MS/MS was performed among patients suspected to be afflicted in Asian countries (including Japan, Vietnam, China, and India) between 2000 and 2015, and the results from different countries were compared...
September 2018: Molecular Genetics and Metabolism Reports
https://www.readbyqxmd.com/read/29888706/the-first-pilot-study-of-expanded-newborn-screening-for-inborn-errors-of-metabolism-and-survey-of-related-knowledge-and-opinions-of-health-care-professionals-in-hong-kong
#20
C M Mak, E Cy Law, H Hc Lee, W K Siu, K M Chow, S Kc Au Yeung, H Ys Ngan, N Kc Tse, N S Kwong, G Cf Chan, K W Lee, W P Chan, S F Wong, M Hy Tang, A Sy Kan, A Pw Hui, P L So, C C Shek, R Sy Lee, K Y Wong, E Kc Yau, K H Poon, S Siu, G Wk Poon, A Mk Kwok, J Wy Ng, V Cs Yim, G Gy Ma, C H Chu, T Y Tong, Y K Chong, S Pl Chen, C K Ching, A Ok Chan, S Tam, R Lk Lau, W F Ng, K C Lee, A Yw Chan, C W Lam
INTRODUCTION: Newborn screening is important for early diagnosis and effective treatment of inborn errors of metabolism (IEM). In response to a 2008 coroners' report of a 14-year-old boy who died of an undiagnosed IEM, the OPathPaed service model was proposed. In the present study, we investigated the feasibility of the OPathPaed model for delivering expanded newborn screening in Hong Kong. In addition, health care professionals were surveyed on their knowledge and opinions of newborn screening for IEM...
June 2018: Hong Kong Medical Journal, Xianggang Yi Xue za Zhi
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