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Table 2 Pathogenic CNVs observed in our GDD/ID patients

From: Copy number variation analysis in 189 Romanian patients with global developmental delay/intellectual disability

Patient

CNV (del/dup)

Chr

Start (hg19)

Stop (hg19)

Size (Kb)

Known Genetic Syndrome

Patient phenotype

1

Del

17q12

34,856,055

36,248,918

1392

17q12 deletion syndrome

GDD/ID, dysmorphic features, ataxia

3

Dup

Xq27.1-q27.3

139,283,418

146,699,586

7416

SOX3 deletion

GDD/ID

22q11.1-q11.21

17,397,498

18,984,519

1587

Cat Eye syndrome

5

Dup

1q41-q44

219,786,897

249,212,668

29,425

1q41–44 duplication

GDD/ID, dysmorphic signs

6

Dup

16p13.13-p13.2

8,226,775

12,071,213

3844

16p13.2 deletion syndrome

GDD/ID, ASD, epilepsy, obesity

45

Del

14q32.2

99,448,000

100,800,103

1352

14q32 deletion syndrome

GDD/ID, short stature, dysmorphic features

55

Del

5q35.2-5q35.3

175,346,223

177,484,097

2137

Sotos syndrome

Sotos syndrome, GDD/ID, dysmorphic features, language delay, obesity, CNS and renal malformation

59

Del

1q21.2–21.2

146,501,348

147,911,246

1409

1q21.1 deletion syndrome

GDD/ID, dysmorphic features

61

Dup

16p11.2

28,615,243

29,028,905

413

16p11.2 duplication syndrome

GDD/ID, dysmorphic features

62

Dup

18p11.32–11.21

112,535

14,791,236

18,678

18p Deletion syndrome

GDD/ID, dysmorphic features

66

Dup

17p11.2

16,777,177

20,239,827

3462

Potocki-Lupski syndrome

GDD/ID, dysmorphic features, obesity

67

Del

22q11.21

18,886,915

21,462,353

2575

DiGeorge syndrome

GDD/ID, obesity, dysmorphic features

71

Del

6q15q21

91,305,608

111,699,368

20,393

6q syndrome deletion

GDD/ID, dysmorphic features

90

Del

4p16.1-p16.3

71,566

8,357,645

8286

4p deletion syndrome

Wolf-Hirschhorn syndrome

91

Del

16p11.2

29,595,483

30,187,676

592

16p11.2 deletion syndrome

GDD/ID, language delay, dysmorphic syndrome, obesity

106

Del

9p24.3-p13.1

46,587

39,179,289

39,132

9p deletion syndrome

GDD/ID, dysmorphic syndrome

109

Dup

16p24.3

89,542,695

89,656,251

113

16q24.3 deletion syndrome

GDD/ID, dysmorphic features

117

Del

18p11.32–11.31

13,034

4,390,081

4377

18p Deletion syndrome

GDD/ID, dysmorphic features

118

Del

15q11.2-q31.1

23,656,946

28,535,266

4878

Prader-Willi syndrome

GDD, hypotonia

130

Del

15q11.2-q31.1

23,656,946

28,535,266

4878

Prader-Willi Syndrome

GDD/ID, obesity

136

Del

1p36.33-1p36.32

82,154

3,821,782

3739

1p36 deletion syndrome

GDD/ID, dysmorphic syndrome

149

Dup

16p11.2

29,595,483

30,215,621

620

16p11.2 duplication syndrome

GDD/ID, short stature, deafness

150

Del

7q11.23

73,110,603

73,702,525

592

Williams syndrome

GDD/ID, dysmorphic syndrome

151

Del

Xp22.31

6,456,940

8,135,053

1678

Xp22.3 microdeletion syndrome

GDD/ID, dysmorphic syndrome

153

Del

7p15.3p21.1

18,814,931

23,539,546

4726

Partial monosomy 7p

GDD/ID, dysmorphic syndrome

154

Del

17q21.31

44,163,925

44,177,103

13

17q21.31 deletion syndrome (KANSL1 – exon 3)

GDD/ID, dysmorphic features, cardiac and genitourinary malformation

156

Dup

16p12.2-p11.2

21,610,804

30,198,151

8587

16p11.2–p12.2 duplication syndrome

GDD/ID, dysmorphic features

157

Dup

18p11.21–11.32

13,034

15,375,878

15,362

18p Deletion syndrome

GDD/ID, epilepsy

160

Del

16p11.2

28,593,316

28,995,057

401

16p11.2 deletion syndrome

GDD/ID, dysmorphic features

161

Del

22q11.21

18,889,490

21,797,812

2908

DiGeorge syndrome

GDD/ID, dysmorphic features, cardiac and renal malformation

165

Del

1q21.1

145,394,955

145,755,813

360

1q21.1 deletion syndrome

GDD/ID, epilepsy, dysmorphic features, forearm agenesis

166

Del

4q22.2-4q24

94,543,233

107,486,817

12,943

4q deletion syndrome

GDD/ID, dysmorphic syndrome, language delay

184

Del

4p16.2–16.3

48,283

5,405,805

5357

4p deletion syndrome

GDD/ID, epilepsy, cardiac malformation, dysmorphic features

189

Dup

18q21.2–23

48,866,388

77,888,708

29,022

18q21q24 duplication

GDD/ID, microcephaly, epilepsy, dysmorphic features

  1. CNV copy number variant, del deletion, dup duplication, chr chromosome, kb kilobase, GDD global developmental delay, ID intellectual disability, ASD autism spectrum disorder