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Table 1 Cases with positive molecular findings

From: The clinical utility of rapid exome sequencing in a consanguineous population

ID

Justification for RES

Clinical utility

Variant

OMIM-compatible diagnosis

Pat-1139

Decision about liver transplant

Management (candidate for liver transplant), reproductive counseling (25% recurrence risk)

ABCB4:NM_000443:exon6:c.526C > T:p.Arg176Trp

Cholestasis, progressive familial intrahepatic 3

Pat-1000

Decision about termination

Management (prenatal testing), reproductive counseling (increase from 25% to 7/16, see text)

LMOD3:NM_198271:exon2:c.944_945del:p.Leu315GlnfsTer10

Nemaline myopathy 10

Pat-1037

Decision about management

Management (disease-specific treatment), reproductive counseling (50% recurrence risk)

HMBS:NM_001258208:exon12:c.706-2A > T

Porphyria, acute intermittent, nonerythroid variant

Pat-1117

Decision about management

Management (avoid steroid, list for transplant), reproductive counseling (25% recurrence risk)

PLCE1:NM_001165979:exon7:c.2134C > T:p.Gln712Ter

Nephrotic syndrome, type 3

Pat-1003

Decision about BMT

Management (candidate for BMT), reproductive counseling (25% recurrence risk)

ADA2:NM_177405.1:c.724_728del: p.Ser242ProfsTer5

Vasculitis, autoinflammation, immunodeficiency, hematologic defects syndrome

Pat-1039

Decision about BMT

Management (candidate for BMT), reproductive counseling (25% recurrence risk)

GALE:NM_001127621:exon3:c.151C > T:p.Arg51Trp

GALE-related thrombocytopenia (not yet listed in OMIM, see text)

Pat-1050

Decision about BMT

Management (candidate for BMT), reproductive counseling (25% recurrence risk)

MYSM1:NM_001085487:exon8:c.1168G > T:p.Glu390Ter

Bone marrow failure syndrome 4

Pat-1025

Decision about BMT

Management (candidate for BMT), reproductive counseling (25% recurrence risk)

MYSM1:NM_001085487:exon7:c.412C > T:p.R138Ter

Bone marrow failure syndrome 4

Pat-1001

Decision about termination

Prognostication

COL25A1:NM_001256074.2:c.1517del:p.Pro506HisfsTer25

COL25A1-related fetal akinesia (not yet listed in OMIM, see text)

Pat-1188

Decision about BMT

Management (candidate for BMT), reproductive counseling (25% recurrence risk)

RAG1:NM_000448:exon2:c.555delG:p.Lys186SerfsTer15

Severe combined immunodeficiency, B cell-negative

Pat-1098

Decision about management

Management (diagnosis-specific guidelines of drugs to avoid), reproductive counseling (50% recurrence risk in male offspring)

G6PD:NM_000402:exon6:c.653C > T:p.Ser218Phe

Anemia, nonspherocytic hemolytic, due to G6PD deficiency

Pat-1187

Decision about liver transplant

Management (candidate for liver transplant), reproductive counseling (25% recurrence risk)

ABCB4:NM_000443:exon13:c.1378A > T:p.Ile460Phe

Cholestasis, progressive familial intrahepatic 3

Pat-1006

Decision about liver transplant

Prognostication (progressive neurodegeneration), management (not candidate for liver transplant), reproductive counseling (25% recurrence risk)

SCYL1:NM_020680:exon10:c.1386 + 1G > T

Spinocerebellar ataxia, autosomal recessive 21

Pat-1028

Decision about BMT

Management (candidate for BMT), reproductive counseling (25% recurrence risk)

RAB27A:NM_004580:exon4:c.244C > T:p.Arg82Cys

Griscelli syndrome, type 2

Pat-1052

Decision about BMT

Management (rule out as a BMT donor, diagnosis-specific screening), reproductive counseling (7/16 recurrence risk)

BRCA2:NM_000059:exon19:c.8452G > T:p.Val2818Phe DCAF17:NM_001164821:exon4:c.436delC: p.Ala147HisfsTer9

Fanconi anemia, complementation group D1, Woodhouse-Sakati syndrome, dual diagnosis

Pat-1064

Decision about liver transplant

Management (not candidate for liver transplant), reproductive counseling (25% recurrence risk)

MPV17:NM_002437:exon4:c.279 + 1G > T

Mitochondrial DNA depletion syndrome 6 (hepatocerebral type)

Pat-1078

Decision about DNR

Management (palliative care), reproductive counseling (25% recurrence risk)

ACOX1: NM_007292:exon12:c.1728 + 1G > A

Peroxisomal acyl-CoA oxidase deficiency

Pat-1043

Decision about BMT

Management (candidate for BMT), reproductive counseling (25% recurrence risk)

JAK3: NM_000215.3:exon2:c.115dupC:p.Gln39ProfsTer13

SCID, autosomal recessive, T-negative/B-positive type

Pat-1042

Decision about management

Prognostication (life-long disease), management (avoid intestinal biopsy, plan lifelong TPN), reproductive counseling (25% recurrence risk)

EPCAM:NM_002354:exon5:c.499dupC:p.Gln167ProfsTer21

Diarrhea 5, with tufting enteropathy, congenital

Pat-1023

Decision about liver transplant

Management (candidate for liver transplant), reproductive counseling (25% recurrence risk)

ATP7B:NM_001005918:exon17:c.3574delC:p.Gln1192ArgfsTer6

Wilson disease

Pat-1038

Decision about liver transplant

Management (disease-specific treatment, not candidate for liver transplant), reproductive counseling (25% recurrence risk)

AKR1D1:NM_001190906:exon2:c.148C > T:p.Arg50Ter

Bile acid synthesis defect, congenital, 2

Pat-1045

Decision about DNR

Management (disease-directed investigation with urine organic acid and acylglycine profile showing severe ethylmalonic aciduria and elevated isobuturylglycine and isovalerylglycine), reproductive counseling (25% recurrence risk)

ETFB:NM_001014763:exon2:c.547C > T:p.Pro183Ser

Glutaric acidemia IIB

Pat-1047

Decision about management

 Prognostication (once regression ensues, it is irreversible), management (palliative care), reproductive counseling (25% recurrence risk)

SLC25A42:NM_001321544:exon8:c.871A > G:p.Asn291Asp

Metabolic crises, recurrent, with variable encephalomyopathic features and neurologic regression

Pat-1053

Decision about DNR

 Management (palliative care), reproductive counseling (only 25% probability of a healthy child)

FGFR3:NM_000142:exon9:c.1138G > A:p.Gly380Arg

Camptodactyly, tall stature, hearing loss syndrome; CATSHLS/autosomal recessive achondroplasia

Pat-1069

Decision about BMT

,Management (candidate for BMT), reproductive counseling (recurrence risk)

ELANE:NM_001972:exon5:c.640G > A:p.Gly214Arg

Neutropenia, severe congenital

Pat-1060

Decision about DNR

 Management (not candidate for BMT), reproductive counseling (7/16 recurrence risk)

RAG1:NM_000448:exon2:c.554delG: p.Lys186SerfsTer15 TXNDC15:NM_001350735:exon3:c.499C > T:p.Arg167Trp

Severe combined immunodeficiency, B cell-negative

Pat-1054

Decision about BMT

 Management (candidate for BMT), reproductive counseling (50% recurrence risk)

RTEL1:NM_001283009.2:c.3271_3273delGAC:p.Asp1091del

Dyskeratosis congenita

Pat-1058

Decision about DNR

 Management (palliative care), reproductive counseling (25% recurrence risk)

OSTM1:NM_014028:exon2:c.415_416del:p.Gln140GlufsTer11

Osteopetrosis, autosomal recessive 5

Pat-1057

Decision about liver transplant

 Management (not candidate for liver transplant, diagnosis-specific therapy), reproductive counseling (25% recurrence risk)

GALT:NM_001258332:exon6:c.364C > T:p.Arg122Cys

Galactosemia

Pat-1192

Decision about BMT

 Management (not suitable as a BMT donor, diagnosis-specific screening), reproductive counseling (25% recurrence risk)

ATM:NM_000051:exon5:c.381delA:p.Val128Ter

Ataxia-telangiectasia

Pat-1067

Decision about BMT

 Management (candidate for BMT), reproductive counseling (25% recurrence risk)

RAG2:NM_00536:exon2:c.110C > T:p.Pro37Leu

Severe combined immunodeficiency, B cell-negative

Pat-1074

Decision about BMT

 Management (candidate for BMT), reproductive counseling (25% recurrence risk)

ZAP70:NM_001079:exon4:c.492delC p.His165ThrfsTer4

Immunodeficiency, 48

Pat-1065

Decision about management

 Management (palliative care), reproductive counseling (25% recurrence risk)

PDHB:NM_000925:exon1:c.1A > G:p.?

Pyruvate dehydrogenase E1-beta deficiency

Pat-1062

Decision about DNR

 Management (diagnosis-specific treatment), reproductive counseling (25% recurrence risk)

LIPA:NM_000235:exon4:c.260G > T:p.Gly87Val

Wolman disease

Pat-1099

Decision about BMT

 Management (not candidate for BMT), reproductive counseling (25% recurrence risk)

OSTM1:NM_014028:exon2:c.415_416del: p.Gln140GlufsTer11

Osteopetrosis, autosomal recessive 5

Pat-1076

Decision about management

 Management (diagnosis-specific treatment), reproductive counseling (25% recurrence risk)

KCNJ11:NM_000525:exon1:c.112A > G:p.Lys38Glu

Hyperinsulinemic hypoglycemia, familial, AR

Pat-1072

Decision about liver transplant

 Management (not a candidate for liver transplant), reproductive counseling (25% recurrence risk)

ANKS6:NM_173551:exon11:c.2142G > T:p.Lys714Asn

Nephronophthisis, 16

Pat-1085

Decision about management

 Management (diagnosis-specific screening and prophylaxis), reproductive counseling (25% recurrence risk)

C8B:NM_000066:exon9:c.1282C > T:p.Arg428Ter

C8 deficiency, type II

Pat-1184

Decision about management

 Management (diagnosis-specific treatment), reproductive counseling (25% recurrence risk)

CYP19A1:NM_001347256.2:exon3:c.343C > T:p.Arg115Ter

Aromatase deficiency

Pat-1101

Decision about liver transplant

 Management (candidate for liver transplant), reproductive counseling (25% recurrence risk)

ABCB4:NM_000443:exon23:c.2906G > A:p.Arg969His

Cholestasis, progressive familial intrahepatic 3

Pat-1087

Decision about BMT

 Management (candidate for BMT), reproductive counseling (25% recurrence risk)

AK2:NM_001319142:exon5:c.398G > C:p.Arg133Pro

Reticular dysgenesis

Pat-1104

Decision about DNR

 Management (palliative care), reproductive counseling (minimal recurrence risk in parents)

ACTA1:NM_001100:exon4:c.593G > A:p.Arg198His

Myopathy, actin, congenital, with cores

Pat-1094

Decision about BMT

 Management (candidate for BMT), reproductive counseling (25% recurrence risk)

JAK3:NM_000215:exon3:c.307C > T:p.Arg103Cys and

JAK3:NM_000215:exon6:c.678_679del:p.Cys227ProfsTer49

SCID, autosomal recessive, T-negative/B-positive type

Pat-1106

Decision about management

 Management (diagnosis-specific therapy), reproductive counseling (25% recurrence risk)

SLC25A15:NM_014252.4:c.-69-41_55 + 58del

Hyperornithinemia-hyperammonemia-homocitrullinemia syndrome

Pat-1110

Decision about BMT

 Management (candidate for BMT), reproductive counseling (25% recurrence risk)

STXBP2:NM_001127396:exon16:c.1421C > T:p.Pro474Leu

Hemophagocytic lymphohistiocytosis, familial, 5, with or without microvillus inclusion disease

Pat-1141

Decision about liver transplant

 Management (not candidate for liver transplant), reproductive counseling (25% recurrence risk)

MPV17:NM_002437:exon4:c.279 + 1G > T

Mitochondrial DNA depletion syndrome 6 (hepatocerebral type)

Pat-1113

Decision about liver transplant

 Management (not candidate for liver transplant), reproductive counseling (25% recurrence risk)

MPV17:NM_002437:exon4:c.279 + 1G > T

Mitochondrial DNA depletion syndrome 6 (hepatocerebral type)

Pat-1114

Decision about liver transplant

 Management (candidate for liver transplant), reproductive counseling (25% recurrence risk)

ATP7B:NM_001005918:exon17:c.3574delC:p.Gln1192ArgfsTer6

Wilson disease

Pat-1116

Decision about liver transplant

 Management (candidate for liver transplant), reproductive counseling (25% recurrence risk)

AIRE:NM_000383:exon10:c.1192delC:p.Pro398ArgfsTer82

Autoimmune polyendocrinopathy syndrome, type I, with or without reversible metaphyseal dysplasia

Pat-1119

Decision about management

 Management (avoid diazoxide, good candidate for pancreatectomy), reproductive counseling (25% recurrence risk)

KCNJ11:NM_000525:exon1:c.101G > A:p.Arg34His

Hyperinsulinemic hypoglycemia, familial, AR

Pat-1120

Decision about DNR

 Management (palliative care), reproductive counseling (25% recurrence risk)

PC:NM_022172:exon6:c.736G > A:p.Glu246Lys and PC:NM_022172:exon11:c.1486C > T:p.Arg496Trp

Pyruvate carboxylase deficiency

Pat-1131

Decision about BMT

 Management (candidate for BMT), reproductive counseling (25% recurrence risk)

PNP:NM_000270:exon2:c.12-1G > C

Immunodeficiency due to purine nucleoside phosphorylase deficiency

Pat-1143

Decision about BMT

 Management (candidate for BMT), reproductive counseling (25% recurrence risk)

RAB27A:NM_183234.2:c.467 + 1_467 + 4del

Griscelli syndrome, type 2

Pat-1142

Decision about management

 Management (diagnosis-specific treatment), reproductive counseling (25% recurrence risk)

MTHFR:NM_001330358:exon7:c.1252C > T:p.Arg418Cys

Homocystinuria

Pat-1138

Decision about management

 None

NIPBL:NM_015384:exon10:c.3060_3063del:p.Glu1021ThrfsTer22

Cornelia de Lange syndrome 1

Pat-1156

Decision about BMT

 Management (candidate for BMT), reproductive counseling (25% recurrence risk)

CYBA:NM_000101.4:exon4:c.261C > A: p.Tyr87Ter

Chronic granulomatous disease 4, autosomal recessive

Pat-1150

Decision about management

 Management (diagnosis-specific management), reproductive counseling (25% recurrence risk)

PTF1A:NM_178161.3:exon1:c.571C > A:p.Pro191Thr

Pancreatic and cerebellar agenesis

Pat-1083

Decision about BMT

 Management (candidate for BMT), reproductive counseling (25% recurrence risk)

RAG1:NM_000448.3:exon2:c.2210G > A:p.Arg737His

Severe combined immunodeficiency, B cell-negative

Pat-1153

Decision about management

 Management (diagnosis-specific treatment), reproductive counseling (25% recurrence risk)

SCNN1A:NM_001159575.1:exon4:c.944 + 1G > A

Pseudohypoaldosteronism, type I

Pat-1152

Decision about management

 Management (diagnosis-specific treatment), reproductive counseling (25% recurrence risk)

ABCC8:NM_000352.6:exon4:c.563A > G:p.Asn188Ser

Diabetes mellitus, permanent neonatal 3

Pat-1154

Decision about liver transplant

 Management (diagnosis-specific treatment), reproductive counseling (25% recurrence risk)

AKR1D1:NM_001190906.2:exon8:c.817 T > C:p.Trp273Arg

Bile acid synthesis defect, congenital, 2

Pat-1159

Decision about management

 Management (diagnosis-specific treatment), reproductive counseling (50% recurrence risk)

RB1:NM_000321.3:c.1450_1451del:p.Met484ValfsTer8

Retinoblastoma

Pat-1157

Decision about BMT

 Management (not candidate for BMT), reproductive counseling (25% recurrence risk)

OSTM1:NM_014028.4:exon2:c.415_416del: p.Gln140GlufsTer11

Osteopetrosis, autosomal recessive 5

Pat-1158

Decision about BMT

 Management (candidate for BMT), reproductive counseling (25% recurrence risk)

RAG2:NM_000536.4:exon2:c.686G > C:p.Arg229Pro

Severe combined immunodeficiency, B cell-negative

Pat-1160

Decision about BMT

 Reproductive counseling (25% recurrence risk)

GNS:NM_002076.4:exon6:c.732C > A: p.Tyr244Ter

Mucopolysaccharidosis type IIID

Pat-1002

Decision about management

 Management (candidate for BMT), reproductive counseling (25% recurrence risk)

RFXANK:NM_134440.2:c.268 + 1G > C

Bare lymphocyte syndrome, type II, complementation group B

Pat-1090

Decision about BMT

 Reproductive counseling (25% recurrence risk)

DIAPH1:NM_001079812:exon15:c.2305C > T: p.Gln769Ter

Seizures, cortical blindness, microcephaly syndrome

Pat-1029

Decision about management

 Management (candidate for BMT), reproductive counseling (25% recurrence risk)

SMARCD2:NM_001098426:exon11:c.1429C > T:p.Arg477Ter

Specific granule deficiency 2

Pat-1011

Decision about management

 Management (diagnosis-specific screening), reproductive counseling (50% recurrence risk)

TTN:NM_003319:exon166:c.64806G > A: p.Trp21602Ter

Cardiomyopathy, dilated, 1G

Pat-1013

Decision about management

 Management (candidate for BMT), recurrence risk (50% recurrence risk for male offspring)

SH2D1A:NM_001114937:exon1:c.23A > C:p.His8Pro

Lymphoproliferative syndrome, X-linked, 1

Pat-1075

Decision about DNR

 Management (palliative care), reproductive counseling (25% recurrence risk)

PEX5:NM_001351132.2:c.1578 T > G;p.Asn526Lys

Peroxisome biogenesis disorder, 2A (Zellweger)

Pat-1121

Decision about management

 Reproductive counseling (25% recurrence risk)

PRF1:NM_001083116:exon3:c.880delC: p.Gln294LysfsTer36

Hemophagocytic lymphohistiocytosis, familial, 2

Pat-1146

Decision about management

 Management (avoid selumetinib, diagnosis-specific surveillance), reproductive counseling (50% recurrence risk)

SMARCB1:NM_001317946:exon8:c.1145 + 2 T > C

Schwannomatosis

Pat-1145

Decision about management

 Management (diagnosis-specific treatment), reproductive counseling (25% recurrence risk)

MEFV:NM000243:exon10:c.2082G > A:p.Met694Ile

Familial Mediterranean fever

Pat-1151

Decision about management

 Prognostication (natural history), reproductive counseling (25% recurrence risk)

ISCA2:NM_194279.4:exon3:c.229G > A:p.Gly77Ser

Multiple mitochondrial dysfunctions syndrome 4

Pat-1161

Decision about management

 Management (candidate for BMT), reproductive counseling (50% recurrence risk in male offspring)

FOXP3:NM_001114377.2:exon11:c.1085G > A:p.Arg362Gln

Immunodysregulation, polyendocrinopathy, enteropathy, X-linked

Pat-1140

Decision about liver transplant

 Management (diagnosis-specific treatment), reproductive counseling (25% recurrence risk)

ATP7B:NM_001330579:exon6:c.1978 T > C:p.Ser660Pro

Wilson disease

Pat-1021

Decision about termination

 Management (prenatal testing), reproductive counseling (recurrence risk)

ZDHHC15:NM_001146256:exon4:c.421A > G:p.Met141Val and TYR:NM_000372:exon4:c.1322delC:p.Ser

Albinism oculocutaneous

Pat-1088

Decision about BMT

 Management (diagnosis-specific treatment), reproductive counseling (25% recurrence risk)

TCN2:NM_001184726:exon1:c.64 + 4A > T

Transcobalamin II deficiency

Pat-1132

Decision about DNR

 Management (diagnosis-specific treatment), reproductive counseling (25% recurrence risk)

SLC52A3:NM_033409:exon2:c.211G > A:p.Glu71Lys

Brown-Vialetto-Van Laere syndrome 1