Newborn screening for Cerebrotendinous Xanthomatosis: A retrospective biomarker study using both flow-injection and UPLC-MS/MS analysis in 20,000 newborns

Frédéric M. Vaz; Youssra Jamal; Rob Barto; Michael H. Gelb; Andrea E. DeBarber; Ron A. Wevers; Marcel R. Nelen; Aad Verrips; Albert H. Bootsma; Marelle J. Bouva; Nick Kleise; Walter van der Zee; Tao He; Gajja S. Salomons; Hidde H. Huidekoper

doi:10.1016/j.cca.2022.12.011

Newborn screening for Cerebrotendinous Xanthomatosis: A retrospective biomarker study using both flow-injection and UPLC-MS/MS analysis in 20,000 newborns

Frédéric M. Vaz^*
, Youssra Jamal
, Rob Barto
, Michael H. Gelb
, Andrea E. DeBarber
, Ron A. Wevers
, Marcel R. Nelen
, Aad Verrips
, Albert H. Bootsma
, Marelle J. Bouva
, Nick Kleise
, Walter van der Zee
, Tao He
, Gajja S. Salomons
, Hidde H. Huidekoper

^*Corresponding author for this work

Pediatrics

University of Amsterdam
Amsterdam UMC
United for Metabolic Diseases
University of Washington
Oregon Health and Science University
Radboud University Medical Center
Canisius Wilhelmina Hospital
National Institute of Public Health and the Environment
PerkinElmer / Wallac Oy

Research output: Contribution to journal › Article › Academic › peer-review

17 Citations (Scopus)

90 Downloads (Pure)

Abstract

Background and aims: Cerebrotendinous Xanthomatosis (CTX) is a treatable disorder of bile acid synthesis caused by deficiency of 27-sterol hydroxylase -encoded by CYP27A1- leading to gastrointestinal and progressive neuropsychiatric symptoms. Biochemically, CTX is characterized by accumulation of the bile alcohol cholestanetetrol glucuronide (GlcA-tetrol) and the deficiency of tauro-chenodeoxycholic acid (t-CDCA) and tauro-trihydroxycholestanoic acid (t-THCA). Materials and Methods: To ascertain the feasibility of CTX newborn screening (NBS) we performed a study with deidentified Dutch dried blood spots using reagents and equipment that is frequently used in NBS laboratories. 20,076 deidentified newborn blood spots were subjected to flow-injection (FIA)-MS/MS and UPLC-MS/MS analysis to determine the concentration of GlcA-tetrol and calculate the GlcA-tetrol/t-CDCA and t-THCA/GlcA-tetrol ratios. Results: Using UPLC-MS/MS analysis both GlcA-tetrol concentration and/or metabolite ratios GlcA-tetrol/t-CDCA proved to be informative biomarkers; newborn DBS results did not overlap with those of the CTX patients. For FIA-MS/MS, GlcA-tetrol also was an excellent marker but when using the combination of the GlcA-tetrol/t-CDCA and t-THCA/GlcA-tetrol ratios also did not yield any screen positives. Conclusion: Newborn screening for CTX using only metabolite ratios following the measurement of three CTX biomarkers is possible using either FIA-MS/MS or UPLC-MS/MS, which paves the way for introduction of CTX NBS.

Original language	English
Pages (from-to)	170-174
Number of pages	5
Journal	Clinica Chimica Acta
Volume	539
DOIs	https://doi.org/10.1016/j.cca.2022.12.011
Publication status	Published - 15 Jan 2023

Bibliographical note

Funding Information:
This work was supported by ZonMw, project “Validation of a newborn screening method for Cerebrotendinous Xanthomatosis”, number 543002008. We would like to thank the Radboud Genome Technology Center (RGTC) for helping with DBS DNA purifications and subsequent whole-exome sequencing. RGTC is part of the Netherlands X-omics Initiative and partially funded by NWO (The Netherlands Organization for Scientific Research; project 184.034.019). We are grateful to Travere Therapeutics for providing GlcA-tetrol and 2H6-GlcA-tetrol internal standard.

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© 2022 The Authors

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Vaz, F. M., Jamal, Y., Barto, R., Gelb, M. H., DeBarber, A. E., Wevers, R. A., Nelen, M. R., Verrips, A., Bootsma, A. H., Bouva, M. J., Kleise, N., van der Zee, W., He, T., Salomons, G. S., & Huidekoper, H. H. (2023). Newborn screening for Cerebrotendinous Xanthomatosis: A retrospective biomarker study using both flow-injection and UPLC-MS/MS analysis in 20,000 newborns. Clinica Chimica Acta, 539, 170-174. https://doi.org/10.1016/j.cca.2022.12.011

@article{dddfe341adcc497fb4b2985c1b4973f3,

title = "Newborn screening for Cerebrotendinous Xanthomatosis: A retrospective biomarker study using both flow-injection and UPLC-MS/MS analysis in 20,000 newborns",

abstract = "Background and aims: Cerebrotendinous Xanthomatosis (CTX) is a treatable disorder of bile acid synthesis caused by deficiency of 27-sterol hydroxylase -encoded by CYP27A1- leading to gastrointestinal and progressive neuropsychiatric symptoms. Biochemically, CTX is characterized by accumulation of the bile alcohol cholestanetetrol glucuronide (GlcA-tetrol) and the deficiency of tauro-chenodeoxycholic acid (t-CDCA) and tauro-trihydroxycholestanoic acid (t-THCA). Materials and Methods: To ascertain the feasibility of CTX newborn screening (NBS) we performed a study with deidentified Dutch dried blood spots using reagents and equipment that is frequently used in NBS laboratories. 20,076 deidentified newborn blood spots were subjected to flow-injection (FIA)-MS/MS and UPLC-MS/MS analysis to determine the concentration of GlcA-tetrol and calculate the GlcA-tetrol/t-CDCA and t-THCA/GlcA-tetrol ratios. Results: Using UPLC-MS/MS analysis both GlcA-tetrol concentration and/or metabolite ratios GlcA-tetrol/t-CDCA proved to be informative biomarkers; newborn DBS results did not overlap with those of the CTX patients. For FIA-MS/MS, GlcA-tetrol also was an excellent marker but when using the combination of the GlcA-tetrol/t-CDCA and t-THCA/GlcA-tetrol ratios also did not yield any screen positives. Conclusion: Newborn screening for CTX using only metabolite ratios following the measurement of three CTX biomarkers is possible using either FIA-MS/MS or UPLC-MS/MS, which paves the way for introduction of CTX NBS.",

author = "Vaz, \{Fr{\'e}d{\'e}ric M.\} and Youssra Jamal and Rob Barto and Gelb, \{Michael H.\} and DeBarber, \{Andrea E.\} and Wevers, \{Ron A.\} and Nelen, \{Marcel R.\} and Aad Verrips and Bootsma, \{Albert H.\} and Bouva, \{Marelle J.\} and Nick Kleise and \{van der Zee\}, Walter and Tao He and Salomons, \{Gajja S.\} and Huidekoper, \{Hidde H.\}",

note = "Funding Information: This work was supported by ZonMw, project “Validation of a newborn screening method for Cerebrotendinous Xanthomatosis”, number 543002008. We would like to thank the Radboud Genome Technology Center (RGTC) for helping with DBS DNA purifications and subsequent whole-exome sequencing. RGTC is part of the Netherlands X-omics Initiative and partially funded by NWO (The Netherlands Organization for Scientific Research; project 184.034.019). We are grateful to Travere Therapeutics for providing GlcA-tetrol and 2H6-GlcA-tetrol internal standard. Publisher Copyright: {\textcopyright} 2022 The Authors",

year = "2023",

month = jan,

day = "15",

doi = "10.1016/j.cca.2022.12.011",

language = "English",

volume = "539",

pages = "170--174",

journal = "Clinica Chimica Acta",

issn = "0009-8981",

publisher = "Elsevier",

}

Vaz, FM, Jamal, Y, Barto, R, Gelb, MH, DeBarber, AE, Wevers, RA, Nelen, MR, Verrips, A, Bootsma, AH, Bouva, MJ, Kleise, N, van der Zee, W, He, T, Salomons, GS & Huidekoper, HH 2023, 'Newborn screening for Cerebrotendinous Xanthomatosis: A retrospective biomarker study using both flow-injection and UPLC-MS/MS analysis in 20,000 newborns', Clinica Chimica Acta, vol. 539, pp. 170-174. https://doi.org/10.1016/j.cca.2022.12.011

TY - JOUR

T1 - Newborn screening for Cerebrotendinous Xanthomatosis

T2 - A retrospective biomarker study using both flow-injection and UPLC-MS/MS analysis in 20,000 newborns

AU - Vaz, Frédéric M.

AU - Jamal, Youssra

AU - Barto, Rob

AU - Gelb, Michael H.

AU - DeBarber, Andrea E.

AU - Wevers, Ron A.

AU - Nelen, Marcel R.

AU - Verrips, Aad

AU - Bootsma, Albert H.

AU - Bouva, Marelle J.

AU - Kleise, Nick

AU - van der Zee, Walter

AU - He, Tao

AU - Salomons, Gajja S.

AU - Huidekoper, Hidde H.

N1 - Funding Information: This work was supported by ZonMw, project “Validation of a newborn screening method for Cerebrotendinous Xanthomatosis”, number 543002008. We would like to thank the Radboud Genome Technology Center (RGTC) for helping with DBS DNA purifications and subsequent whole-exome sequencing. RGTC is part of the Netherlands X-omics Initiative and partially funded by NWO (The Netherlands Organization for Scientific Research; project 184.034.019). We are grateful to Travere Therapeutics for providing GlcA-tetrol and 2H6-GlcA-tetrol internal standard. Publisher Copyright: © 2022 The Authors

PY - 2023/1/15

Y1 - 2023/1/15

N2 - Background and aims: Cerebrotendinous Xanthomatosis (CTX) is a treatable disorder of bile acid synthesis caused by deficiency of 27-sterol hydroxylase -encoded by CYP27A1- leading to gastrointestinal and progressive neuropsychiatric symptoms. Biochemically, CTX is characterized by accumulation of the bile alcohol cholestanetetrol glucuronide (GlcA-tetrol) and the deficiency of tauro-chenodeoxycholic acid (t-CDCA) and tauro-trihydroxycholestanoic acid (t-THCA). Materials and Methods: To ascertain the feasibility of CTX newborn screening (NBS) we performed a study with deidentified Dutch dried blood spots using reagents and equipment that is frequently used in NBS laboratories. 20,076 deidentified newborn blood spots were subjected to flow-injection (FIA)-MS/MS and UPLC-MS/MS analysis to determine the concentration of GlcA-tetrol and calculate the GlcA-tetrol/t-CDCA and t-THCA/GlcA-tetrol ratios. Results: Using UPLC-MS/MS analysis both GlcA-tetrol concentration and/or metabolite ratios GlcA-tetrol/t-CDCA proved to be informative biomarkers; newborn DBS results did not overlap with those of the CTX patients. For FIA-MS/MS, GlcA-tetrol also was an excellent marker but when using the combination of the GlcA-tetrol/t-CDCA and t-THCA/GlcA-tetrol ratios also did not yield any screen positives. Conclusion: Newborn screening for CTX using only metabolite ratios following the measurement of three CTX biomarkers is possible using either FIA-MS/MS or UPLC-MS/MS, which paves the way for introduction of CTX NBS.

AB - Background and aims: Cerebrotendinous Xanthomatosis (CTX) is a treatable disorder of bile acid synthesis caused by deficiency of 27-sterol hydroxylase -encoded by CYP27A1- leading to gastrointestinal and progressive neuropsychiatric symptoms. Biochemically, CTX is characterized by accumulation of the bile alcohol cholestanetetrol glucuronide (GlcA-tetrol) and the deficiency of tauro-chenodeoxycholic acid (t-CDCA) and tauro-trihydroxycholestanoic acid (t-THCA). Materials and Methods: To ascertain the feasibility of CTX newborn screening (NBS) we performed a study with deidentified Dutch dried blood spots using reagents and equipment that is frequently used in NBS laboratories. 20,076 deidentified newborn blood spots were subjected to flow-injection (FIA)-MS/MS and UPLC-MS/MS analysis to determine the concentration of GlcA-tetrol and calculate the GlcA-tetrol/t-CDCA and t-THCA/GlcA-tetrol ratios. Results: Using UPLC-MS/MS analysis both GlcA-tetrol concentration and/or metabolite ratios GlcA-tetrol/t-CDCA proved to be informative biomarkers; newborn DBS results did not overlap with those of the CTX patients. For FIA-MS/MS, GlcA-tetrol also was an excellent marker but when using the combination of the GlcA-tetrol/t-CDCA and t-THCA/GlcA-tetrol ratios also did not yield any screen positives. Conclusion: Newborn screening for CTX using only metabolite ratios following the measurement of three CTX biomarkers is possible using either FIA-MS/MS or UPLC-MS/MS, which paves the way for introduction of CTX NBS.

UR - https://www.scopus.com/pages/publications/85144254359

U2 - 10.1016/j.cca.2022.12.011

DO - 10.1016/j.cca.2022.12.011

M3 - Article

C2 - 36529270

AN - SCOPUS:85144254359

SN - 0009-8981

VL - 539

SP - 170

EP - 174

JO - Clinica Chimica Acta

JF - Clinica Chimica Acta

ER -

Newborn screening for Cerebrotendinous Xanthomatosis: A retrospective biomarker study using both flow-injection and UPLC-MS/MS analysis in 20,000 newborns

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