-
Electrophysiological and histopathological characteristics of progressive atrioventricular block accompanied by familial dilated cardiomyopathy caused by a novel mutation of lamin A/C gene.
J Cardiovasc Electrophysiol. 2005 Feb;16(2):137-45
PMID: 15720451
-
Functional splicing network reveals extensive regulatory potential of the core spliceosomal machinery.
Mol Cell. 2015 Jan 8;57(1):7-22
PMID: 25482510
-
SRSF2 Is Essential for Hematopoiesis, and Its Myelodysplastic Syndrome-Related Mutations Dysregulate Alternative Pre-mRNA Splicing.
Mol Cell Biol. 2015 Sep 1;35(17):3071-82
PMID: 26124281
-
Antisense suppression of donor splice site mutations in the dystrophin gene transcript.
Mol Genet Genomic Med. 2013 Sep;1(3):162-73
PMID: 24498612
-
Phagocytosis of retinal rod and cone photoreceptors.
Physiology (Bethesda). 2010 Feb;25(1):8-15
PMID: 20134024
-
Determinants of exon 7 splicing in the spinal muscular atrophy genes, SMN1 and SMN2.
Am J Hum Genet. 2006 Jan;78(1):63-77
PMID: 16385450
-
Enhancement of SMN protein levels in a mouse model of spinal muscular atrophy using novel drug-like compounds.
EMBO Mol Med. 2013 Jul;5(7):1103-18
PMID: 23740718
-
The tip of the iceberg: RNA-binding proteins with prion-like domains in neurodegenerative disease.
Brain Res. 2012 Jun 26;1462:61-80
PMID: 22445064
-
Deep surveying of alternative splicing complexity in the human transcriptome by high-throughput sequencing.
Nat Genet. 2008 Dec;40(12):1413-5
PMID: 18978789
-
circRNA biogenesis competes with pre-mRNA splicing.
Mol Cell. 2014 Oct 2;56(1):55-66
PMID: 25242144
-
Mass-spectrometry-based draft of the human proteome.
Nature. 2014 May 29;509(7502):582-7
PMID: 24870543
-
U1 small nuclear ribonucleoprotein complex and RNA splicing alterations in Alzheimer's disease.
Proc Natl Acad Sci U S A. 2013 Oct 8;110(41):16562-7
PMID: 24023061
-
Mutations in U4atac snRNA, a component of the minor spliceosome, in the developmental disorder MOPD I.
Science. 2011 Apr 8;332(6026):238-40
PMID: 21474760
-
Comparative analysis of the transcriptome across distant species.
Nature. 2014 Aug 28;512(7515):445-8
PMID: 25164755
-
Autosomal dominant retinitis pigmentosa with intrafamilial variability and incomplete penetrance in two families carrying mutations in PRPF8.
Invest Ophthalmol Vis Sci. 2011 Dec 02;52(13):9304-9
PMID: 22039234
-
Excitatory/Inhibitory Balance and Circuit Homeostasis in Autism Spectrum Disorders.
Neuron. 2015 Aug 19;87(4):684-98
PMID: 26291155
-
The RNA-binding protein repertoire of embryonic stem cells.
Nat Struct Mol Biol. 2013 Sep;20(9):1122-30
PMID: 23912277
-
SRSF2 Mutations Contribute to Myelodysplasia by Mutant-Specific Effects on Exon Recognition.
Cancer Cell. 2015 May 11;27(5):617-30
PMID: 25965569
-
FUS regulates genes coding for RNA-binding proteins in neurons by binding to their highly conserved introns.
RNA. 2013 Apr;19(4):498-509
PMID: 23389473
-
Recurrent de novo point mutations in lamin A cause Hutchinson-Gilford progeria syndrome.
Nature. 2003 May 15;423(6937):293-8
PMID: 12714972
-
HITS-CLIP yields genome-wide insights into brain alternative RNA processing.
Nature. 2008 Nov 27;456(7221):464-9
PMID: 18978773
-
How slow RNA polymerase II elongation favors alternative exon skipping.
Mol Cell. 2014 May 22;54(4):683-90
PMID: 24793692
-
Structure of the myotonic dystrophy type 2 RNA and designed small molecules that reduce toxicity.
ACS Chem Biol. 2014 Feb 21;9(2):538-550
PMID: 24341895
-
Variable phenotypic expressivity in a Swiss family with autosomal dominant retinitis pigmentosa due to a T494M mutation in the PRPF3 gene.
Mol Vis. 2010 Mar 19;16:467-75
PMID: 20309403
-
The cystic fibrosis gene: a molecular genetic perspective.
Cold Spring Harb Perspect Med. 2013 Feb 01;3(2):a009472
PMID: 23378595
-
Retinitis pigmentosa mutations of SNRNP200 enhance cryptic splice-site recognition.
Hum Mutat. 2014 Mar;35(3):308-17
PMID: 24302620
-
RNA-binding protein misregulation in microsatellite expansion disorders.
Adv Exp Med Biol. 2014;825:353-88
PMID: 25201111
-
Converging mechanisms in ALS and FTD: disrupted RNA and protein homeostasis.
Neuron. 2013 Aug 7;79(3):416-38
PMID: 23931993
-
Mutant U2AF1 Expression Alters Hematopoiesis and Pre-mRNA Splicing In Vivo.
Cancer Cell. 2015 May 11;27(5):631-43
PMID: 25965570
-
PRPF8 defects cause missplicing in myeloid malignancies.
Leukemia. 2015 Jan;29(1):126-36
PMID: 24781015
-
Minor introns are embedded molecular switches regulated by highly unstable U6atac snRNA.
Elife. 2013 Jul 30;2:e00780
PMID: 23908766
-
CNOT3 is a modifier of PRPF31 mutations in retinitis pigmentosa with incomplete penetrance.
PLoS Genet. 2012;8(11):e1003040
PMID: 23144630
-
Repeat instability as the basis for human diseases and as a potential target for therapy.
Nat Rev Mol Cell Biol. 2010 Mar;11(3):165-70
PMID: 20177394
-
Exon skipping therapy for Duchenne muscular dystrophy.
Adv Drug Deliv Rev. 2015 Jun 29;87:104-7
PMID: 25980936
-
Disease-associated mutation in SRSF2 misregulates splicing by altering RNA-binding affinities.
Proc Natl Acad Sci U S A. 2015 Aug 25;112(34):E4726-34
PMID: 26261309
-
Normal and aberrant splicing of LMNA.
J Med Genet. 2014 Apr;51(4):215-23
PMID: 24459210
-
Association of TALS developmental disorder with defect in minor splicing component U4atac snRNA.
Science. 2011 Apr 8;332(6026):240-3
PMID: 21474761
-
Widespread intron retention in mammals functionally tunes transcriptomes.
Genome Res. 2014 Nov;24(11):1774-86
PMID: 25258385
-
Tau alternative splicing in familial and sporadic tauopathies.
Biochem Soc Trans. 2012 Aug;40(4):677-80
PMID: 22817715
-
TDP-43: gumming up neurons through protein-protein and protein-RNA interactions.
Trends Biochem Sci. 2012 Jun;37(6):237-47
PMID: 22534659
-
Induction and reversal of myotonic dystrophy type 1 pre-mRNA splicing defects by small molecules.
Nat Commun. 2013;4:2044
PMID: 23806903
-
Mutations in pre-mRNA processing factors 3, 8, and 31 cause dysfunction of the retinal pigment epithelium.
Am J Pathol. 2014 Oct;184(10):2641-52
PMID: 25111227
-
A novel CUG(exp)·MBNL1 inhibitor with therapeutic potential for myotonic dystrophy type 1.
ACS Chem Biol. 2013 May 17;8(5):1037-43
PMID: 23480597
-
RBFOX and PTBP1 proteins regulate the alternative splicing of micro-exons in human brain transcripts.
Genome Res. 2015 Jan;25(1):1-13
PMID: 25524026
-
Mapping Argonaute and conventional RNA-binding protein interactions with RNA at single-nucleotide resolution using HITS-CLIP and CIMS analysis.
Nat Protoc. 2014 Feb;9(2):263-93
PMID: 24407355
-
Potential etiologic and functional implications of genome-wide association loci for human diseases and traits.
Proc Natl Acad Sci U S A. 2009 Jun 9;106(23):9362-7
PMID: 19474294
-
Identification and characterization of a spinal muscular atrophy-determining gene.
Cell. 1995 Jan 13;80(1):155-65
PMID: 7813012
-
Messenger RNA processing is altered in autosomal dominant leukodystrophy.
Hum Mol Genet. 2015 May 15;24(10):2746-56
PMID: 25637521
-
Assembly and transport of a premessenger RNP particle.
Proc Natl Acad Sci U S A. 2001 Jun 19;98(13):7012-7
PMID: 11416180
-
Hexanucleotide repeats in ALS/FTD form length-dependent RNA foci, sequester RNA binding proteins, and are neurotoxic.
Cell Rep. 2013 Dec 12;5(5):1178-86
PMID: 24290757
-
PINK1-linked parkinsonism is associated with Lewy body pathology.
Brain. 2010 Apr;133(Pt 4):1128-42
PMID: 20356854
-
Mutations in splicing factor PRPF3, causing retinal degeneration, form detrimental aggregates in photoreceptor cells.
Hum Mol Genet. 2007 Jul 15;16(14):1699-707
PMID: 17517693
-
The significant other: splicing by the minor spliceosome.
Wiley Interdiscip Rev RNA. 2013 Jan-Feb;4(1):61-76
PMID: 23074130
-
Cartography of neurexin alternative splicing mapped by single-molecule long-read mRNA sequencing.
Proc Natl Acad Sci U S A. 2014 Apr 1;111(13):E1291-9
PMID: 24639501
-
The RNA binding protein quaking regulates formation of circRNAs.
Cell. 2015 Mar 12;160(6):1125-34
PMID: 25768908
-
Pentamidine reverses the splicing defects associated with myotonic dystrophy.
Proc Natl Acad Sci U S A. 2009 Nov 3;106(44):18551-6
PMID: 19822739
-
Altered splicing of ATP6AP2 causes X-linked parkinsonism with spasticity (XPDS).
Hum Mol Genet. 2013 Aug 15;22(16):3259-68
PMID: 23595882
-
Motor neuron cell-nonautonomous rescue of spinal muscular atrophy phenotypes in mild and severe transgenic mouse models.
Genes Dev. 2015 Feb 1;29(3):288-97
PMID: 25583329
-
Identification of a PRPF4 loss-of-function variant that abrogates U4/U6.U5 tri-snRNP integration and is associated with retinitis pigmentosa.
PLoS One. 2014 Nov 10;9(11):e111754
PMID: 25383878
-
PRPF mutations are associated with generalized defects in spliceosome formation and pre-mRNA splicing in patients with retinitis pigmentosa.
Hum Mol Genet. 2011 Jun 1;20(11):2116-30
PMID: 21378395
-
Characterizing the RNA targets and position-dependent splicing regulation by TDP-43.
Nat Neurosci. 2011 Apr;14(4):452-8
PMID: 21358640
-
Alternative isoform regulation in human tissue transcriptomes.
Nature. 2008 Nov 27;456(7221):470-6
PMID: 18978772
-
Long pre-mRNA depletion and RNA missplicing contribute to neuronal vulnerability from loss of TDP-43.
Nat Neurosci. 2011 Apr;14(4):459-68
PMID: 21358643
-
Reversal of RNA dominance by displacement of protein sequestered on triplet repeat RNA.
Science. 2009 Jul 17;325(5938):336-9
PMID: 19608921
-
Lamins: the structure and protein complexes.
Curr Opin Cell Biol. 2015 Feb;32:7-12
PMID: 25460776
-
Antisense masking of an hnRNP A1/A2 intronic splicing silencer corrects SMN2 splicing in transgenic mice.
Am J Hum Genet. 2008 Apr;82(4):834-48
PMID: 18371932
-
Large-scale genomics unveils the genetic architecture of psychiatric disorders.
Nat Neurosci. 2014 Jun;17(6):782-90
PMID: 24866044
-
Alternative splicing and retinal degeneration.
Clin Genet. 2013 Aug;84(2):142-9
PMID: 23647439
-
ALS-linked TDP-43 mutations produce aberrant RNA splicing and adult-onset motor neuron disease without aggregation or loss of nuclear TDP-43.
Proc Natl Acad Sci U S A. 2013 Feb 19;110(8):E736-45
PMID: 23382207
-
The novel MAPT mutation K298E: mechanisms of mutant tau toxicity, brain pathology and tau expression in induced fibroblast-derived neurons.
Acta Neuropathol. 2014 Feb;127(2):283-95
PMID: 24292008
-
Lomofungin and dilomofungin: inhibitors of MBNL1-CUG RNA binding with distinct cellular effects.
Nucleic Acids Res. 2014 Jun;42(10):6591-602
PMID: 24799433
-
An integrated encyclopedia of DNA elements in the human genome.
Nature. 2012 Sep 6;489(7414):57-74
PMID: 22955616
-
RNA therapeutics: beyond RNA interference and antisense oligonucleotides.
Nat Rev Drug Discov. 2012 Jan 20;11(2):125-40
PMID: 22262036
-
Deep sequencing of subcellular RNA fractions shows splicing to be predominantly co-transcriptional in the human genome but inefficient for lncRNAs.
Genome Res. 2012 Sep;22(9):1616-25
PMID: 22955974
-
The spliceosome is a therapeutic vulnerability in MYC-driven cancer.
Nature. 2015 Sep 17;525(7569):384-8
PMID: 26331541
-
A homozygous mutation in RNU4ATAC as a cause of microcephalic osteodysplastic primordial dwarfism type I (MOPD I) with associated pigmentary disorder.
Am J Med Genet A. 2011 Nov;155A(11):2885-96
PMID: 21990275
-
Frequent pathway mutations of splicing machinery in myelodysplasia.
Nature. 2011 Sep 11;478(7367):64-9
PMID: 21909114
-
Cell-free formation of RNA granules: low complexity sequence domains form dynamic fibers within hydrogels.
Cell. 2012 May 11;149(4):753-67
PMID: 22579281
-
RNA splicing. The human splicing code reveals new insights into the genetic determinants of disease.
Science. 2015 Jan 9;347(6218):1254806
PMID: 25525159
-
Inhibition of RNA helicase Brr2 by the C-terminal tail of the spliceosomal protein Prp8.
Science. 2013 Jul 5;341(6141):80-4
PMID: 23704370
-
Split genes and RNA splicing.
Cell. 1994 Jun 17;77(6):805-15
PMID: 7516265
-
Spinal muscular atrophy--recent therapeutic advances for an old challenge.
Nat Rev Neurol. 2015 Jun;11(6):351-9
PMID: 25986506
-
TDP-43 repression of nonconserved cryptic exons is compromised in ALS-FTD.
Science. 2015 Aug 7;349(6248):650-5
PMID: 26250685
-
Circular RNAs are a large class of animal RNAs with regulatory potency.
Nature. 2013 Mar 21;495(7441):333-8
PMID: 23446348
-
Recursive splicing in long vertebrate genes.
Nature. 2015 May 21;521(7552):371-375
PMID: 25970246
-
Base substitution in an intervening sequence of a beta+-thalassemic human globin gene.
Proc Natl Acad Sci U S A. 1981 Apr;78(4):2455-9
PMID: 6264477
-
SMN control of RNP assembly: from post-transcriptional gene regulation to motor neuron disease.
Semin Cell Dev Biol. 2014 Aug;32:22-9
PMID: 24769255
-
A defect in the RNA-processing protein HNRPDL causes limb-girdle muscular dystrophy 1G (LGMD1G).
Hum Mol Genet. 2014 Aug 1;23(15):4103-10
PMID: 24647604
-
Transcriptome-wide identification of RNA-binding protein and microRNA target sites by PAR-CLIP.
Cell. 2010 Apr 2;141(1):129-41
PMID: 20371350
-
Alternative pre-mRNA splicing regulation in cancer: pathways and programs unhinged.
Genes Dev. 2010 Nov 1;24(21):2343-64
PMID: 21041405
-
U2AF1 mutations alter sequence specificity of pre-mRNA binding and splicing.
Leukemia. 2015 Apr;29(4):909-17
PMID: 25311244
-
Cell-free formation of RNA granules: bound RNAs identify features and components of cellular assemblies.
Cell. 2012 May 11;149(4):768-79
PMID: 22579282
-
A LMNA splicing mutation in two sisters with severe Dunnigan-type familial partial lipodystrophy type 2.
J Clin Endocrinol Metab. 2006 Jul;91(7):2689-95
PMID: 16636128
-
PRPF4 mutations cause autosomal dominant retinitis pigmentosa.
Hum Mol Genet. 2014 Jun 1;23(11):2926-39
PMID: 24419317
-
An integrative analysis of colon cancer identifies an essential function for PRPF6 in tumor growth.
Genes Dev. 2014 May 15;28(10):1068-84
PMID: 24788092
-
Mutation spectrum of the dystrophin gene in 442 Duchenne/Becker muscular dystrophy cases from one Japanese referral center.
J Hum Genet. 2010 Jun;55(6):379-88
PMID: 20485447
-
Biochemical defects in minor spliceosome function in the developmental disorder MOPD I.
RNA. 2014 Jul;20(7):1078-89
PMID: 24865609
-
Genome-wide identification of zero nucleotide recursive splicing in Drosophila.
Nature. 2015 May 21;521(7552):376-9
PMID: 25970244
-
Processing of human beta-globin mRNA precursor to mRNA is defective in three patients with beta+-thalassemia.
Proc Natl Acad Sci U S A. 1980 Jul;77(7):4287-91
PMID: 6933479
-
SF3B1 mutation identifies a distinct subset of myelodysplastic syndrome with ring sideroblasts.
Blood. 2015 Jul 9;126(2):233-41
PMID: 25957392
-
ALS-causative mutations in FUS/TLS confer gain and loss of function by altered association with SMN and U1-snRNP.
Nat Commun. 2015 Jan 27;6:6171
PMID: 25625564
-
The splicing regulator Rbfox1 (A2BP1) controls neuronal excitation in the mammalian brain.
Nat Genet. 2011 May 29;43(7):706-11
PMID: 21623373
-
SMN2 splice modulators enhance U1-pre-mRNA association and rescue SMA mice.
Nat Chem Biol. 2015 Jul;11(7):511-7
PMID: 26030728
-
Divergent roles of ALS-linked proteins FUS/TLS and TDP-43 intersect in processing long pre-mRNAs.
Nat Neurosci. 2012 Nov;15(11):1488-97
PMID: 23023293
-
Emerging Roles for Long Non-Coding RNAs in Cancer and Neurological Disorders.
Front Genet. 2012 Feb 27;3:25
PMID: 22375145
-
Systemic delivery of a Peptide-linked morpholino oligonucleotide neutralizes mutant RNA toxicity in a mouse model of myotonic dystrophy.
Nucleic Acid Ther. 2013 Apr;23(2):109-17
PMID: 23308382
-
An exon skipping-associated nonsense mutation in the dystrophin gene uncovers a complex interplay between multiple antagonistic splicing elements.
Hum Mol Genet. 2006 Mar 15;15(6):999-1013
PMID: 16461336
-
Long noncoding RNAs: fresh perspectives into the RNA world.
Trends Biochem Sci. 2014 Jan;39(1):35-43
PMID: 24290031
-
Genetic basis of variable exon 9 skipping in cystic fibrosis transmembrane conductance regulator mRNA.
Nat Genet. 1993 Feb;3(2):151-6
PMID: 7684646
-
Mutations in prion-like domains in hnRNPA2B1 and hnRNPA1 cause multisystem proteinopathy and ALS.
Nature. 2013 Mar 28;495(7442):467-73
PMID: 23455423
-
Pre-mRNA splicing in disease and therapeutics.
Trends Mol Med. 2012 Aug;18(8):472-82
PMID: 22819011
-
The spliceosome as a target of novel antitumour drugs.
Nat Rev Drug Discov. 2012 Nov;11(11):847-59
PMID: 23123942
-
Targeting nuclear RNA for in vivo correction of myotonic dystrophy.
Nature. 2012 Aug 2;488(7409):111-5
PMID: 22859208
-
Transcriptome-wide regulation of pre-mRNA splicing and mRNA localization by muscleblind proteins.
Cell. 2012 Aug 17;150(4):710-24
PMID: 22901804
-
State of play in amyotrophic lateral sclerosis genetics.
Nat Neurosci. 2014 Jan;17(1):17-23
PMID: 24369373
-
Weak definition of IKBKAP exon 20 leads to aberrant splicing in familial dysautonomia.
Hum Mutat. 2007 Jan;28(1):41-53
PMID: 16964593
-
Motor neuron disease. SMN2 splicing modifiers improve motor function and longevity in mice with spinal muscular atrophy.
Science. 2014 Aug 8;345(6197):688-93
PMID: 25104390
-
Splicing factor mutations and cancer.
Wiley Interdiscip Rev RNA. 2014 Jul-Aug;5(4):445-59
PMID: 24523246
-
Cytogenetic and molecular characterization of A2BP1/FOX1 as a candidate gene for autism.
Am J Med Genet B Neuropsychiatr Genet. 2007 Oct 5;144B(7):869-76
PMID: 17503474
-
Insights into RNA biology from an atlas of mammalian mRNA-binding proteins.
Cell. 2012 Jun 8;149(6):1393-406
PMID: 22658674
-
The long non-coding RNA Gomafu is acutely regulated in response to neuronal activation and involved in schizophrenia-associated alternative splicing.
Mol Psychiatry. 2014 Apr;19(4):486-94
PMID: 23628989
-
Distinct brain transcriptome profiles in C9orf72-associated and sporadic ALS.
Nat Neurosci. 2015 Aug;18(8):1175-82
PMID: 26192745
-
A single nucleotide in the SMN gene regulates splicing and is responsible for spinal muscular atrophy.
Proc Natl Acad Sci U S A. 1999 May 25;96(11):6307-11
PMID: 10339583
-
Dantrolene enhances antisense-mediated exon skipping in human and mouse models of Duchenne muscular dystrophy.
Sci Transl Med. 2012 Dec 12;4(164):164ra160
PMID: 23241744
-
Identification of mutations in the gene encoding lamins A/C in autosomal dominant limb girdle muscular dystrophy with atrioventricular conduction disturbances (LGMD1B).
Hum Mol Genet. 2000 May 22;9(9):1453-9
PMID: 10814726
-
Dystrophin and mutations: one gene, several proteins, multiple phenotypes.
Lancet Neurol. 2003 Dec;2(12):731-40
PMID: 14636778
-
Beta + thalassemia: aberrant splicing results from a single point mutation in an intron.
Cell. 1981 Dec;27(2 Pt 1):289-98
PMID: 6895866
-
A highly conserved program of neuronal microexons is misregulated in autistic brains.
Cell. 2014 Dec 18;159(7):1511-23
PMID: 25525873
-
Muscleblind-like 2-mediated alternative splicing in the developing brain and dysregulation in myotonic dystrophy.
Neuron. 2012 Aug 9;75(3):437-50
PMID: 22884328
-
Splicing-directed therapy in a new mouse model of human accelerated aging.
Sci Transl Med. 2011 Oct 26;3(106):106ra107
PMID: 22030750
-
U2AF1 mutations alter splice site recognition in hematological malignancies.
Genome Res. 2015 Jan;25(1):14-26
PMID: 25267526
-
Lamin a truncation in Hutchinson-Gilford progeria.
Science. 2003 Jun 27;300(5628):2055
PMID: 12702809
-
A draft map of the human proteome.
Nature. 2014 May 29;509(7502):575-81
PMID: 24870542
-
RBM20, a gene for hereditary cardiomyopathy, regulates titin splicing.
Nat Med. 2012 May;18(5):766-73
PMID: 22466703
-
Strong association of de novo copy number mutations with autism.
Science. 2007 Apr 20;316(5823):445-9
PMID: 17363630
-
iCLIP reveals the function of hnRNP particles in splicing at individual nucleotide resolution.
Nat Struct Mol Biol. 2010 Jul;17(7):909-15
PMID: 20601959
-
HITS-CLIP and integrative modeling define the Rbfox splicing-regulatory network linked to brain development and autism.
Cell Rep. 2014 Mar 27;6(6):1139-1152
PMID: 24613350
-
Pharmacological prospects in the treatment of Duchenne muscular dystrophy.
Curr Opin Neurol. 2013 Oct;26(5):577-84
PMID: 23995279
-
Genetic causes of amyotrophic lateral sclerosis: new genetic analysis methodologies entailing new opportunities and challenges.
Brain Res. 2015 May 14;1607:75-93
PMID: 25316630
-
Antagonistic regulation of mRNA expression and splicing by CELF and MBNL proteins.
Genome Res. 2015 Jun;25(6):858-71
PMID: 25883322
-
A missense mutation in PRPF6 causes impairment of pre-mRNA splicing and autosomal-dominant retinitis pigmentosa.
Am J Hum Genet. 2011 May 13;88(5):643-9
PMID: 21549338