Table 1 Clinical characteristics of individuals with SEMA3F and PLXNA3 variants.

From: Loss-of-function variants in SEMA3F and PLXNA3 encoding semaphorin-3F and its receptor plexin-A3 respectively cause idiopathic hypogonadotropic hypogonadism

Family/individual number

Gene/variant

Age at diagnosis

Sex

Obesity

Olfaction

Reproductive phenotype

A I-2

SEMA3F p.Pro452Thr

28

F

No

Anosmic

No delayed puberty or infertility reported

A II-1

SEMA3F p.Pro452Thr

20

F

No

Anosmic

Absent puberty, primary amenorrhea

A II-2

SEMA3F p.Pro452Thr

12

M

Obese

Anosmic

Absent puberty, cryptorchidism

B II-1

SEMA3F p.Pro452Thr

10.5

M

Overweight

Normosmic

Cryptorchidism

C II-1

SEMA3F p.Arg699Trp

16

F

No

Normosmic

Absent puberty, primary amenorrhea

D II-2

SEMA3F p.Thr29Met

17

M

Obese

Hyposmic

Absent puberty, cryptorchidism

E II-1

SEMA3F p.Pro722Leu

14

M

Obese

Normosmic

Absent puberty

F II-1

SEMA3F p.Ala652Ser

35

M

No

Hyposmic

Absent puberty, micropenis, infertility

G II-2

SEMA3F p.Thr724Met PLXNA3 p.Ser646Pro

20

F

No

Normosmic

Primary amenorrhea, delayed menarche at age 16

G II-6

SEMA3F p.Thr724Met PLXNA3 p.Ser646Pro

14

F

No

Normosmic

Absent puberty

H II-1

PLXNA3 p.Arg108Cys

19

M

No

Normosmic

Absent puberty

H II-2

PLXNA3 p.Arg108Cys

17

M

No

Normosmic

Absent puberty

I II-1

PLXNA3 p.Arg108Cys

21

M

No

Hyposmic

Absent puberty, cryptorchidism

J II-1

PLXNA3 p.Leu1086Val

14

M

Overweight

Normosmic

Absent puberty, micropenis

K II-1

PLXNA3 p.Arg1359Cys

18

F

Obese

Normosmic

Absent puberty, primary amenorrhea