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ChromosOmics - Database
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CHROMOSOME 4 -
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Heterochromatic
- (peri)centromeric variants
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case no.
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(molecular) cytogenetic result
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clinical symptoms
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reference
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04-
p11.1+/
1-1 to many
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der(4)(p11.1amp)
best/only visible in Q-banding or inverted
DAPI-banding
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none
- both variants together present in ~8%
of population
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{1, pages 61-62;
42}
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04-
p11.1q11.1+/
1-1 to many
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der(4)(p11.1q11.1amp)
best/ only visible in Q-banding or inverted
DAPI-banding
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{1, pages 61-62; 42}
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04-
cen+/
1-1 to many
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4cen+
D4Z1
some of them may give impression of
small pericentric inv in GTG-banding
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none
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{1, pages 61-62}
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04-
cen-/
1-1 to many
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4cen-
D4Z1
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none
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{1, pages 61-62}
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Heterochromatic - other
heterochromatic variants |
case no.
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(molecular)
cytogenetic result
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clinical
symptoms
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reference
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04-
HHM-
owncep/
1-1 to few
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D4Z1
can give signals on centromere 9
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none
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{1, pages 61-62}
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04-
HHM-
acro/
1-1 to few
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der(4)t(4;acro)(q35.2;p11.2p11.2)
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none
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{1; 19-23; 34; 98
(case 4qs 2)}
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04-
HHM-
acro/
1-1 to 1-2
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der(4)t(4;acro)(p16.3;p11.2)
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none
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{99; 100}
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04-
HHM-
acro/
2-1
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ins(4;acro)(q34.2;p12p12)
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none
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{1; 14}
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Euchromatic deletions |
case no.
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(molecular)
cytogenetic result
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clinical
symptoms
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reference
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04-
EHM-del
pterp16.3/
1-1 to 1-4
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del(4)(p16.3)
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none
(in mother of affected child)
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{1}
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04-
EHM-del
p16.3p15.33/
1-1 to 1-4
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del(4)(p16.3p15.33)
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mild
to moderate
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{1}
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04-
EHM-del
p16.1p15.2/
1-1
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del(4)(p16.1p15.2)
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mild
to moderate
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{1}
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04-
EHM-del
p15.31p12/
1-1
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del(4)(p15.2~15.31p12~13)
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none
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{0} 56289
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04-
EHM-del
q32q33/
1-1
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del(4)(q32q33)
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mild
to moderate
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{1}
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04-
EHM-del
q33qter/
1-1
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del(4)(q33)
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mild
to moderate
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{1}
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04-
EHM-del
q33q35.1/
1-1
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del(4)(q33q35.1)
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mild
to moderate
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{1}
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04-
EHM-del
q34qter/
1-1
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del(4)(q33)
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mild
to moderate
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{1}
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04-
EHM-del
q34.1q34.3/
1-1 to 1-2
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del(4)(q34.1q34.3)
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none
/
mild to moderate
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{1}
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04-
EHM-del
q34.1~34.2/
1-1 to 1-2
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del(4)(q34.1~q34.2)
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none
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{1, Color Plate 4,
XIb}
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04-
EHM-del
q35.1qter/
1-1
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del(4)(q35.1)
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mild
to moderate
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{1}
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04-
EHM-del
q35.1q35.2/
1-1 to few
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del(4)(q35.1q35.2)
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none
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{66; 67; 77}
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Euchromatic
duplications |
case no.
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(molecular)
cytogenetic result
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clinical
symptoms
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reference
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04-
EHM-dup
p16.3q16.3/
1-1
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der(22)t(4;22)(p16.3;p1?2)
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none
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{77}
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04-
EHM-dup
p16.2q16.1/
1-1
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dup(4)(p16.2p16.1)
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mild
to moderate
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{1, page 89}
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04-
EHM-dup
p16.1q16.1/
1-1 to few
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dup(4)(p16.1p16.1)
RP11-637J21, RP11-751L19, RP11-264E23,
RP11-180A12
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none
or mild to moderate
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{1, page 89}
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04-
EHM-dup
p13q13.1/
1-1 to few
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sSMC(4)
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none
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{sSMC
page}
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04-
EHM-dup q35qter/
1-1 to 1-6
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variant
sizes of duplications in this region
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none
(2 families)
or mild to moderate (4 families)
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{1, pages 89-91}
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