This page tracks 89 publications about ZTTK syndrome and the SON gene, including case reports, cohort studies, reviews, and research into the biology and mechanisms underlying the condition. The collection was compiled from the published literature and contributions shared through the ZTTK Researcher Listserv. Last compiled September 15, 2026.
Search or filter the publications below, or check “Shortlist only” for a curated 11-paper starter reading list, arranged in a suggested reading order.
Shortlist — starter reading list, in suggested reading order(11)
Comprehensive clinical overview of ZTTK syndrome: developmental delay/intellectual disability, seizures (>50% of cases), dysmorphic features, and skeletal/ocular/genitourinary anomalies; outlines supportive multidisciplinary management.
The single best comprehensive, plain-spoken clinical overview - written for clinicians but readable by families, regularly updated, and free to access in full. Ideal as the 'if you only read one thing' link, and a fitting close to the list since it's the most current, all-encompassing summary.
Kim JH, Shinde DN, Reijnders MRF, et al. (55 authors) — American Journal of Human Genetics · 2016
Founding paper: de novo SON mutations disrupt splicing of genes essential for neuronal migration and cortex organization, defining the intellectual-disability syndrome now called ZTTK.
The founding mechanism paper. First describes SON mutations causing this intellectual-disability syndrome and the splicing mechanism behind it - the natural next stop after the naming history for understanding where ZTTK syndrome comes from.
Dingemans AJM, Vissers LELM, et al. — European Journal of Human Genetics · 2022
Analysis of 52 individuals with heterozygous loss-of-function SON variants establishes the broad ZTTK phenotypic spectrum and severity range; missense variants may act via a distinct mechanism.
The largest cohort to date (52 individuals) - defines just how broad and variable the ZTTK phenotype really is. Reassuring for families whose child doesn't match a single 'textbook' picture.
Tokita MJ, Braxton AA, Shao Y, et al. — American Journal of Human Genetics · 2016
Companion founding paper: 7 individuals with de novo truncating SON variants show developmental delay, feeding difficulties/failure to thrive, and congenital malformations.
Companion founding paper describing 7 of the earliest-recognized patients - developmental delay, feeding difficulties, and congenital malformations. Good real-patient grounding alongside the Kim et al. mechanism paper.
Vukadin L, et al.; Ahn EY (corresponding) — JCI Insight · 2024
First Son+/- mouse model recapitulates ZTTK features (growth retardation, kidney agenesis); shows SON haploinsufficiency skews hematopoietic fate toward myeloid at the expense of lymphoid lineage.
The first mouse model of ZTTK syndrome. Important to feature because it represents the field moving toward mechanism-based and eventually therapeutic research - a hopeful, forward-looking entry for families.
6
History / origin-story contextResearch ArticleZTTK Clinical & Genetic
Xiaolin Zhu, David B Goldstein — Genetics in Medicine · 2015
The original trio-sequencing study that first reported the de novo SON variant behind the 'Zhu' in Zhu-Tokita-Takenouchi-Kim - the earliest thread of the syndrome's origin story.
7
History / origin-story contextCase ReportZTTK Clinical & Genetic
Toshiki Takenouchi, Kenjiro Kosaki — American Journal of Medical Genetics Part A · 2016
The early case report that contributed the 'Takenouchi' in ZTTK's name, published just ahead of the two large AJHG papers that same year - pairs with the Zhu 2015 paper to tell the full naming history.
The first seven are the most important.
8
Researchers (mechanism)Research ArticleSON Gene & Protein Function
SON knockdown impairs splicing of weak-splice-site cell-cycle genes, causing spindle defects and genome instability.
Foundational mechanism paper showing SON knockdown impairs splicing of weak-splice-site cell-cycle genes, causing spindle defects and genome instability - useful for showing the molecular 'why' behind the disorder at its most basic level.
9
Families + clinicians (care management)Research ArticleSON Haploinsufficiency Mechanism
Among 14 patients with SON haploinsufficiency, 8 had kidney anomalies (horseshoe kidney, hypoplasia, cysts) attributed to impaired splicing of CAKUT-related genes.
Documents kidney involvement in SON haploinsufficiency (8 of 14 patients affected). Practical value for families and clinicians managing a child's care, since kidney screening isn't always top of mind.
10
Researchers (mechanism)Research ArticleSON Gene & Protein Function
Stemm-Wolf AJ, et al.; Pearson C (corresponding) — Molecular Biology of the Cell · 2021
SON regulates procentriole assembly (via CEP131 splicing) and a pericentrosomal trafficking network required for ciliogenesis.
Shows SON's reach extends to centriole assembly and ciliogenesis (via CEP131 splicing) - relevant given how many ZTTK patients have skeletal and other ciliopathy-adjacent features, and a good example of how broad SON's job in the cell really is.
Regan-Fendt KE, Izumi K, et al. — Human Genetics · 2024
Defines the concept of "nuclear speckleopathies"; ZTTK syndrome (SON) is presented as a key example of this emerging disorder class.
Places ZTTK in the context of a newly recognized disease class ('nuclear speckleopathies'), which is useful for showing visitors that ZTTK research connects to a bigger, actively growing research area.
Vasquez-Forero DM, et al. — Frontiers in Genetics · 2023
First reported Colombian ZTTK patient, carrying a previously unreported SON mutation.
Case ReportZTTK Clinical & Genetic
Immune dysregulation, polyendocrinopathy and enteropathy, X-linked (IPEX) syndrome due to a mutation in FOXP3, modified by a pathogenic variant in SON (SON DNA-binding protein)
Kushary ST, et al. — American Journal of Medical Genetics Part A · 2021
Reports 15 new cases plus a review of the literature (~60 total documented cases at the time); clarifies common findings and genotype-phenotype correlations.
Dion W, et al.; Zhu B (corresponding) — Nature Communications · 2024
Identifies the drug pyrvinium pamoate as a nuclear-speckle 'rehabilitator' acting through SON's intrinsically disordered region, restoring speckle condensate properties and protecting against tauopathy and retinal degeneration in a SON-dependent manner. (Originally posted to bioRxiv 2024-04-18; published version shown here.)
Ilik IA, et al.; Aktas T (corresponding) — eLife · 2020
Shows SON and SRRM2 (not SRSF2, the presumed target of the widely-used SC35 antibody) form the structural core of nuclear speckles; co-depleting both nearly dissolves speckles entirely.
Ueda M, Nakayama A (corresponding), et al. — Molecular Brain · 2020
Mouse Son knockdown causes neuronal migration defects and reduced dendritic spine density, rescued by wild-type SON - a direct mechanistic tie to ZTTK's neurodevelopmental phenotype.
Sharma A, et al. — Molecular Biology of the Cell · 2010
SON depletion disorganizes nuclear speckles and causes metaphase arrest, establishing SON as essential for subnuclear organization and cell-cycle progression.
Decoding of the primary structure of the son3 region in human genome: identification of a new protein with unusual structure and homology with DNA-binding proteins
F B Berdichevskiĭ, L L Kiselev · 1988
No PubMed or DOI link on file
Preprints (Unpublished) (4)
PreprintPreprints (Unpublished)Preprint — not yet peer-reviewed
Yin Y, Fan W, Zhou Y, Zhang X, Tong C, Li X (corresponding) — bioRxiv (not yet published in a journal as of this compilation) · 2026
SON is specifically required for splicing short, GC-rich introns with unusual weak splice sites; SON stabilizes U2 snRNP/U2AF binding at these sites - a mechanistic detail relevant to how SON haploinsufficiency disrupts splicing in ZTTK syndrome.
PreprintPreprints (Unpublished)Preprint — not yet peer-reviewed
Kerkhofs M, et al.; Courchet J (corresponding) — bioRxiv (not yet published in a journal as of this compilation) · 2025
Kinase NUAK1 phosphorylates splicing cofactor SON to control an alternative-splicing program essential for cortical neuron development; SON loss phenocopies NUAK1 loss and the abstract explicitly links this to ZTTK syndrome's neurodevelopmental features.
PreprintPreprints (Unpublished)Preprint — not yet peer-reviewed
Yu R, et al.; Berger SL (corresponding) — bioRxiv (not yet published in a journal as of this compilation) · 2025
Defines 'SWING' genomic regions whose chromatin state depends on nuclear-speckle association (built from SON and SRRM2); disrupting speckles causes these regions to gain repressive marks. Explicitly notes human SON/SRRM2 mutations cause neurodevelopmental disorders with intellectual disability.
PreprintPreprints (Unpublished)Preprint — not yet peer-reviewed
