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Table 1 Summarize of the ZP gene variants associated with EFS reported in the literature to date

From: A compound heterozygous mutation in ZP1 and two novel heterozygous cis mutations in ZP3 causes infertility in women presenting with empty follicle syndrome

Gene

DNA variation

Protein variation

Domain

Heredity

Genotype

Type of variant

Phenotype

Treatment outcome

Ref.

ZP1

c.2T > A

p.Met1?

SP

AR

Comp het

Start-loss

No oocytes

Not pregnant

[8, 9] Our case report

 

c.123 C > A

p.Tyr41*

ZP-N1

AR

Comp het

Nonsense

No oocytes, degenerated oocyte

Not pregnant

[10]

 

c.161_165del

p.Gly57Aspfs*9

ZP-N1

AR

Comp het

Frameshift

No oocytes

Not pregnant

[11]

 

c.181 C > T

p.Arg61Cys

ZP-N1

AR

Comp het

Missense

No oocytes, degenerated oocyte

Not pregnant

[12]

 

c.199G > T

p.Glu67*

ZP-N1

AR

Comp het, Hom

Nonsense

No oocytes degenerated oocyte, oocyte without ZP

Not pregnant

[9, 13, 14]

 

c.238T > G

p.Cys80Gly

ZP-N1

AR

Comp het

Missense

No oocytes, degenerated oocyte

Not pregnant

[9]

 

c.239G > A

p.Cys80Tyr

ZP-N1

AR

Comp het

Missense

No oocytes

The patient was infertile but his sister gave birth to a son of her own.

[15]

 

c.241T > C

p. Tyr81His

ZP-N1

AR

Comp het

Missense

No oocytes

The patient was infertile but his sister gave birth to a son of her own.

[15]

 

c.247T > C

p.Trp83Arg

ZP-N1

AR

Comp het

Missense

No oocytes, degenerated oocyte

Not pregnant

[9]

 

c.325 C > T

p.Arg109Cys

ZP-N1

AR

Comp het

Missense

No oocytes

Not pregnant

[13]

 

c.507delC

p.His170Ilefs*52

/

AR

Het, Hom

Frameshift

No oocytes

Not pregnant

[15, 16]

 

c.508delC

p.His170Ilefs*52

/

AR

Comp het

Frameshift

No oocytes, degenerated oocyte

Not pregnant

[9, 10]

 

c.706T > C

p.Cys236Arg

TD

AR

Hom

Missense

No oocytes, oocyte without ZP

Successful delivery of a son by diagnostic intracytoplasmic sperm injection

[17]

 

c.769 C > T

p.Gln257*

TD

AR

Comp het, Hom

Nonsense

No oocytes, degenerated oocyte

Not pregnant

[13, 18]

 

c.780 C > A

p.Cys260*

TD

AR

Comp het

Nonsense

No oocytes, degenerated oocyte

Not pregnant

[9]

 

c.784_785delTA

p.Tyr262*

TD

AR

Comp het

Frameshift

No oocytes, degenerated oocyte

Not pregnant

[9]

 

c.800_801delAG

p.Glu267Glyfs*80

TD

AR

Comp het

Frameshift

No oocytes

Not pregnant

[13]

 

c.874 C > T

p.Gln292*

ZP-N

AR

Hom

Nonsense

No oocytes, degenerated oocyte

Not pregnant

[9, 19]

 

c.916_919dupCACC

p. Leu307Profs*42

ZP-N

AR

Comp het

Frameshift

No oocytes, degenerated oocyte

Not pregnant

[9]

 

c.1014 + 1G > A

p.?

ZP-N

AR

Hom

Splicing

No oocytes, degenerated oocyte

Not pregnant

[10]

 

c.1096 C > T

p.Arg366Trp

ZP-N

AR

Hom

Missense

No oocytes, degenerated oocyte

Not pregnant

[30]

 

c.1097G > A

p.Arg366Gln

ZP-N

AR

Hom

Missense

No oocytes, degenerated oocyte, oocytes with abnormal morphology

Not pregnant

[20]

 

c.1112 + 1G > T

p.Val339Aspfs*11

ZP-N

AR

Comp het

Splicing

No oocytes

Not pregnant

[8]

 

c.1126_1127delTG

p.Val377Leufs*5

ZP-N

AR

Comp het

Frameshift

No oocytes, degenerated oocyte, oocyte without ZP

Not pregnant

[9]

 

c.1127G > A

p.Cys376Tyr

ZP-N

AR

Comp het

Missense

No oocytes

Not pregnant

[13]

 

c.1129_1130del

p.Val377Leufs*5

ZP-N

AR

Hom

Frameshift

No oocytes, degenerated oocyte

Not pregnant

[10]

 

c.1166_1173del

p.Ile390Thrfs*16

/

AR

Comp het

Frameshift

No oocytes

Not pregnant

[11]

 

c.1169_1176delTTTTCCCA

p.Ile390Thrfs*16

/

AR

Comp het, Hom

Frameshift

No oocytes, degenerated oocyte, oocyte without ZP

Not pregnant

[9, 12, 13, 21]

 

c.1260 C > G

p.Tyr420*

ZP-C

AR

Comp het, Hom

Nonsense

No oocytes, degenerated oocyte

Not pregnant

[22]

 

c.1297 C > T

p.Arg433*

ZP-C

AR

Comp het

Nonsense

No oocytes, degenerated oocyte

Not pregnant

[9]

 

c.1319T > C

p.Val440Ala

ZP-C

AR

Comp het

Missense

No oocytes, degenerated oocyte, oocyte without ZP

Not pregnant

[9]

 

c.1413G > A

p.Trp471*

ZP-C

AR

Comp het

Nonsense

No oocytes, degenerated oocyte

Not pregnant

[9]

 

c.1429G > T

p.Gly477*

ZP-C

AR

Comp het

Nonsense

No oocytes, degenerated oocyte

Not pregnant

[9] Our case report

 

c.1430 + 1G > T

p.Cys478*

ZP-C

AR

Hom

Splicing

No oocytes, oocyte without ZP

Not pregnant

[13]

 

c.1495 C > T

p.Gln499*

ZP-C

AR

Hom

Nonsense

No oocytes, degenerated oocyte

Not pregnant

[9]

 

c.1510 C > T

p.Arg504*

ZP-C

AR

Hom

Nonsense

No oocytes, degenerated oocyte

Not pregnant

[10]

 

c.1511G > A

p.Arg504Gln

ZP-C

AR

Hom

Missense

No oocytes, degenerated oocyte

Not pregnant

[9]

 

c.1573–2 A > G

p.?

ZP-C

AR

Comp het

Splicing

No oocytes, degenerated oocyte

Not pregnant

[10]

 

c.1602_1603insAGTCT

p.His535Serfs*38

ZP-C

AR

Comp het

Frameshift

No oocytes, degenerated oocyte

Not pregnant

[9]

 

c.1663 C > T

p.Arg555*

CFCS

AR

Comp het

Nonsense

No oocytes, degenerated oocyte

Not pregnant

[10]

 

c.1708G > A

p.Val570Met

/

AR

Hom

Missense

No oocytes, oocyte without ZP

Not pregnant

[16]

 

c.1775–3 C > T

p.?

/

AR

Comp het

Splicing

No oocytes, degenerated oocyte

Not pregnant

[9]

 

c.1815_1825delGGTCCTTTTGC

p.Val606Alafs*42

TMD

AR

Comp het

Frameshift

No oocytes

Not pregnant

[13]

ZP2

c.1695–2 A > G

p.?

ZP-C

AD

Comp het

Splicing

No oocytes, oocyte with abnormal ZP, oocyte without ZP, degenerated oocyte

Not pregnant

[23]

 

c.1856T > A

p.Ile619Asn

ZP-C

AD

Het

Missense

No oocytes, degenerated oocyte

Not pregnant

[9]

 

c.1924 C > T

p.Arg642*

CFCS

AD

Comp het

Nonsense

No oocytes, oocyte with abnormal ZP, oocyte without ZP, degenerated oocyte

Not pregnant

[23]

 

c.1925G > A

p.Arg642Gln

CFCS

AD

Het

Missense

No oocytes, degenerated oocyte

Not pregnant

[9, 24]

ZP3

c.176T > A

p.Leu59His

ZP-N

AD

Hom

Missense

No oocytes

Not pregnant

[25]

 

c.400G > A

p.Ala134Thr

ZP-N

AD

Het

Missense

No oocytes, oocyte without ZP, degenerated oocyte

Not pregnant

[9, 26, 33]

 

c.502_504delGAG

p.Glu168del

ZP-C

AD

Het

In-frame

No oocytes

Patient and her sister conceived through egg donation

[27]

 

c.518 C > G

p.Ser173Cys

ZP-C

AD

Het

Missense

No oocytes, oocyte without ZP, degenerated oocyte

Not pregnant

[28]

 

c.565_579del

p.Thr189_Gly193del

ZP-C

AD

Het

In-frame

No oocytes, oocyte without ZP,

Not pregnant

[29]

 

c.724G > T

p.Asp242Tyr

ZP-C

AD

Het

Missense

No oocytes

Not pregnant

Our case report

 

c.763 C > G

p.Arg255Gly

ZP-C

AD

Het

Missense

No oocytes, oocyte without ZP

Not pregnant

[16]

 

c.815 A > G

p.Asn272Ser

ZP-C

AD

Het

Missense

No oocytes

Not pregnant

Our case report

  1. AR: autosomal recessive; AD: autosomal dominant; SP: signal peptide; ZP-N: ZP-N domain; ZP-N1: N-terminal isolated ZP-N; TD: trefoil domain; ZP-C: ZP-C domain; CFCS: consensus furin cleavage site; TMD: transmembrane-like domain; Comp het: compound heterozygous; Het: heterozygous; Hom: Homozygous; ZP: zona pellucida; *: stop codon