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ChromosOmics
- Database
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- CHROMOSOME #16 -
ABNORMAL
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Specific
PATIENTINFORMATION for sSMC(16) - part 1
Specific
PATIENTINFORMATION for
sSMC(16) - part 2 |
In general 70% of sSMC
carriers are clinically
normal. The figures listed above
are based on the bias, that mainly
clinically aberrant cases are studied and reported
in literature!
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Cases with clinical findings
(W)
|
case
no.
|
gender/
age at diagnosis
|
studied
material
|
de
novo/
inherited
|
GTG-banding
result
grade of mosaicism
|
final
result of the sSMC
|
test
methods
|
clinical
symptoms
|
Reference
|
16-
W-
p11.2/
1-1 |
see
+21-U-37 |
16-
W-
p11.2/
2-1
°°°
|
male/
6y |
PBL |
n.a. |
47,XY,+mar[14]/
46,XY[15] |
min(16)(:p11.2→q11.2:) |
cenM,
subcenM |
slight
cognitive deficit |
{0} provided from Potugal |
***
16-
W-
p11.2/
3-1
°°°
|
female/
prenatal |
chord blood |
de novo |
47,XX,+mar[25%]/
46,XX[75%] |
r(16)(::p11.2→q12.1::)
array: 31.65-46.16 MB |
cenM,
subcenM, midi; aCGH |
see below |
{51} case 7 |
AMA with no
ultrasound anomalies. TOP. Autopsy at 23
weeks of gestation revealed a female fetus
with an extra supra-renal near the left
ovary and slight facial alterations, like
discrete hypertelorism, large philtrum and
asymmetrical implantation of the ears. |
16-
W-
p11.2/
3-2
|
male/
prenatal |
AF |
de novo |
47,XY,+mar[100%] |
r(16)(::p11.2→q12.1::) |
cenM,
subcenM; UPD-test |
see below |
{0} provided from, Israel |
AMA;
sonography and fetal brain MRI (normal). At
age of 31 w severe IUGR was noted, and the
couple chose to have a TOP. Placental
culture revealed 2 lines: 7 cells with mar,
6 cells with trisomy 16. |
16-
W-
p11.2/
3-3
°°°
|
male/
3y |
PBL
(EKF-
cellbank) |
de novo |
47,XY,+mar[5]/ 46,XY[27%] |
r(16)(::p11.2→q12.1::)
aCGH: 29,875,000-35,005,000 MB |
cenM,
subcenM; UPD-test
aCGH |
Ataxia when
standing and walking, delay in speech
development, developmental regression ~3 y |
{0} provided from Germany |
16-
W-
p11.1/
1-1
°°°
|
male/
2y |
PBL |
de novo |
47,XY,+mar[6%]/
46,XY[94%] |
min(16)(:p11.1→q11.1
or q11.1→p11.1:
:p11.1→q11.2:)
array: 32.56-45.44
FISH probe in p at 26.7MB |
midi,
subcenM; aCGH |
normal at
birth, progredient edema at hands at 9m;
little asymmetry of skull, no DYS, slight
penis anomaly |
{22} case 16-1 |
16-
W-
p11.1/
2-1
°°°
|
male/
13y |
PBL |
de novo |
47,XY,+r[7]/
46,XY[7] |
r(16)(::p11.1→q12::) |
midi, cenM,
subcenM |
see below |
{44} case 23
{51} case 8 |
congenital
malformations, born at term, birth weight
3200g, length 50cm; at 13 y: weight 47 kg,
length 160,5cm, OFC=54cm, low-set dysplastic
ears, hypoplastic testes OD, cryptorchidism |
16-
W-
p11.1/
3-1 |
see
16-U-29 |
16-
W-
p11.1/
4-1
°°°
|
male/
4y |
PBL |
de novo |
47,XY,+mar[16]/
46,XY[4] |
mar(16)(:p11.1→q12.2::)
array: 45.50-48.57 MB |
aCGH |
see below |
{58; 60} |
IUGR at 31w
gestation, delivery induced at 36 weeks,
birth weight 1,730 g. poor sucking and
general psychomotor delay. At age of 4y
microcephally, high nasal bridge, deep set
eyes, thin lips, mild retrognatia, low
muscle tone, wide-based gait due to
clumsiness or ataxia, used only 5 verbal
words, MRI revealed cerebellar cortical
dysplasia, large forth ventricle with mild
elongated superior cerebellar peduncles and
small vermis with atrophy of the inferior
aspect were noted. |
16-
W-
p11.1/
5-1 |
female/
6y |
PBL |
n.a. |
47,XX,+mar[73%]/
46,XX[27%] |
min(16)(:p11.1→q11.2:) |
cenM,
subcenM |
MR |
{0} provided from Israel |
16-
W-
p11.1/
6-1 |
male/
7y |
PBL |
n.a. |
46,XY[?%]/
47,XY,+mar[?%] |
min(16)(:p11.1→q12.1:)
arr[GRCh37]
16q12.1(41,785,918_48,574,867)
|
cenM,
subcenM |
abnormal phenotype
|
{0}
provided from Germany
|
16-
W-
p10/
1-1 |
see
McCl-16-W-p10/1-1 |
-
|
-
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-
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-
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-
|
-
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-
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-
|
-
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|
W-Cases with similar
imbalances NOT caused by sSMC (W-IMB) |
case
no.
|
gender/
age at diagnosis
|
studied
material
|
de
novo/
Inherited
|
GTG-banding
and final FISH result
|
test
methods
|
clinical
symptoms
|
Reference
|
16-
W-
IMB-
p12/
1-1
°°°
|
male/
2y
|
PBL
|
de novo
|
46,XY,dup(16)(pter→p11.2:
:p12→qter)
|
n.a.
|
see below
|
{36}
|
at 16 months
tremor-like movements and occular revulsions
lasting several seconds without loss of
consciousness; microphtalmia, strabismus,
hypertelorism. epicanthus, cleft palate,
short neck, atopic body eczema, truncal
hypotonia, moderate motor retardation,
psychomotor delay, developmental delay,
autism(?); epilepsy (?) |
16-
W-
IMB-
p12.2/
1-1
°°°
|
male/
25y
|
PBL
|
n.a.
|
46,XY,dup(16)(pter→p11.2:
:p12.2→qter)
|
locus
specific FISH-probes {34}
|
see below
|
{34} case 1
|
psychomotor
delay since birth, episodes of seizures; at
age of 3 years diagnosed as autistic,
severely mentally retarded and epilepsy; at
25 y: weight and height ~3rd centile, OFC
25th centile. |
16-
W-
IMB-
p12.2/
1-2
°°°
|
female/
5y
|
PBL
|
mat
|
46,XX,dup(16)(pter→p11.2:
:p12.2→qter)
|
locus
specific FISH-probes {34}
|
borderline
cognitive impairment (IQ 80), behavioral
problems; autism (?); mother similarly
impaired in intelligence |
{34} case 2; {35}
|
16-
W-
IMB-
p12.1/
1-1 |
male/
prenatal
|
AF
|
de novo
|
46,XY,dup(16)(pter→p11.2:
:p12.1→qter)
|
locus
specific FISH-probes {33}
|
AMA; no
sonographic abnormalities; mother described
tremor like child movements; parents decided
for TOP at week 24 of gestation; no autopsy
was performed. |
{33}
|
16-
W-
IMB-
p12.1/
1-2
°°°
|
male/
postnatal
|
PBL
|
maternal
|
46,XY,dup(16)(pter→p11.2:
:p12.1→qter)
|
n.a.
|
DD and
learning difficulties in mother and patient
|
{47}
|
16-
W-
IMB-
q11.2/
1-1
°°°
|
male/
28y |
PBL
|
de novo
|
46,XY,dup(16)(pter→q13:
:q11.2→qter)
|
locus
specific FISH-probes {28}
|
severe
growth and MR; short stature, ~3rd centile,
self-destructive behavior, quadripleagia
with bilateral pes cavus; he was hypotonic
during first years of live and showed DD, no
speech |
{28}
|
16-W-
IMB-
q11.2/
2-1
|
male/
newborn
|
PBL
|
de novo
|
46,XY,inv dup ins(16)
(pter→q11.2::q12.2→q11.2:
:q11.2→q12.2::q11.2→q11.2:
:q12.2→qter)
|
locus
specific FISH-probes {38}
|
see below
|
{38} case 1
|
Born at
term; birth weight 3.35 kg, length 51 cm and
OFC of 34 cm; ascertained at 13 days of age
with aortic isthmus stenosis. At 15 months,
stature 81 cm within the normal range but
both weight of 10 kg and OFC of 44.5 cm
below the 25th centile. Motor developmental
delay; unilateral inguinal hernia later
operated on. At the age of 5: motor
development retardation, mental and speech
delay and his behavior was autistic; round
face, strabismus, hypermetropia, normal
fundus oculi, a long flat philtrum and
normal dentition. stature again within the
normal range but microcephaly, a mildly
short neck, obesity and a hydrocele, mildly
tapering fingers and mild plano-valgus
positioning of his feet. |
16-
W-
IMB-
q11.2/
3-1
°°°
|
male and
female/
adult
|
PBL
|
familial
|
46,inv dup
ins(16)(q11.2q13q11.2)
|
locus
specific FISH-probes {38}
|
different
abnormalities as reported in {38} |
{38} family 1
|
16-
W-
IMB-
q11.2/
3-2
to 3-4
°°°
|
similar as case above |
{39-42}
|
16-
W-
IMB-
q11.2/
4-1
to 4-7
°°°
|
aCGH study; 7 cases with
microduplication in 16q11.2; 3/7
maternally inherited, 1/7 paternally
inherited.
in 3 cases autism, ADHD and language
delay |
{39-42}
|
16-
W-
IMB-
q11.2/
5-1
|
female/
newborn |
PBL
|
n.a.
|
46,XX,dup(16)(q11.1q21)
|
aCGH
|
movement
disorder, DD, neutropenia; death at 10m
|
{74}
|
16-
W-
IMB-
q11.2/
6-1
|
female/
+4y
|
PBL
|
de novo
|
46,XX,dup(16)(q11.1q22)
|
FISH
aCGH
|
DD, speach
delay, DYS,
review of 17 similar cases
|
{75}
|
16-
W-
IMB-
q11.1/
1-1
°°°
|
female/
22y
|
PBL
|
n.a.
|
46,dup(16)(q11.1q12.2)
aCGH: 45.03-56.51 MB
|
aCGH
|
different
abnormalities as reported in {59} |
{59}
|
|
W-cases with
unclear/insufficient characterization of the sSMC
(CW)
|
case
no.
|
gender/
age at diagnosis
|
studied
material
|
de
novo/
inherited
|
GTG-banding
result
grade of mosaicism
|
final
result of the sSMC
|
test
methods
|
clinical
symptoms
|
Reference
|
16-
CW-
1 |
male/
30y |
PBL
cell line at
ECACC DD1135 |
de novo |
47,XY,+mar[100%] |
ish mar(16).(DZ16Z2+;
D16Z3+, wcp16-) |
FISH with
all available centromeric probes; wcp16,
UPD-test |
mild mental
handicap; psychosis; schizophrenia, normal
appearance without abnormalities |
{2} case 15
{9} case 21 |
16-
CW-
2 |
female/
prenatal |
AF |
de novo |
47,XX,+mar[12]
(interphase
in uncultured amniocytes: mar in 88%) |
mar(16) |
FISH with
all centromeric probes; wcp16 |
see below |
{20} |
amniocentesis
due to posterior fossa cyst with extension
of the region of cerebellar vermis with
splaying of cerebellar hemispheres
suggesting Dandy-Walker complex in week 20
of gestation; termination of pregnancy in
week 23; no autopsy, external examination
showed normal female phenotype. |
16-
CW-
3 |
male/
postnatal |
PBL |
de novo |
47,XY,+mar[50%]/
46,XY[50%] |
ish mar(16)(DZ16Z2+;
D16Z3+, wcp16-) |
M-FISH |
see below |
{29} |
patient born
at term after normal pregnancy and delivery:
3150g, 51cm, OFC 35.5cm. facial dysmorphic;
epicanthic folds, thin, distinct eyebrows,
simian crease in both hands, short neck,
perimembarnotic VSD and open foramen ovale,
delayed development; up to 3y of age patient
progressed at -2SD, weight +5% and OFC at
-2.5 SD curve. |
16-
CW-
4 |
female/
2y |
PBL |
n.a. |
47,XX,+mar[31]/
46,XX[21] |
mar(16)(:p1?1→q12:)
mlpa p181x3 |
MLPA; cep 16 |
MR |
{0} provided from Spain |
16-
CW-
5 |
female/
2y |
PBL |
n.a. |
47,XX,+r[100%] |
r(16) |
SKY |
seizures |
{61} case F0616779 |
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