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Spermatogenic failure 19(SPGF19)

MedGen UID:: 1614356
•Concept ID:: C4539818
•: Disease or Syndrome

Synonyms:	SPERMATOGENIC FAILURE 19; SPGF19

Gene (location): Gene(s) directly associated with this condition or phenotype.	CFAP43 (10q25.1)

Monarch Initiative:	MONDO:0054723
OMIM®:	617592

Definition

Spermatogenic failure-19 is characterized by multiple morphologic abnormalities of the flagella (MMAF), including absent, short, coiled, bent, and irregular-caliber flagella (Tang et al., 2017). For a general phenotypic description and a discussion of genetic heterogeneity of spermatogenic failure, see SPGF1 (258150). [from OMIM]

Clinical features

From HPO

Male infertility

MedGen UID:: 5796
•Concept ID:: C0021364
•: Disease or Syndrome

The inability of the male to effect fertilization of an ovum after a specified period of unprotected intercourse. Male sterility is permanent infertility.

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Reduced sperm motility

MedGen UID:: 907698
•Concept ID:: C4082176
•: Finding

An abnormal reduction in the mobility of ejaculated sperm.

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Absent sperm flagella

MedGen UID:: 1623855
•Concept ID:: C4539786
•: Finding

Sperm cells lacking flagella.

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Short sperm flagella

MedGen UID:: 1623693
•Concept ID:: C4539787
•: Finding

Sperm cells with abnormally short flagella.

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Coiled sperm flagella

MedGen UID:: 1611216
•Concept ID:: C4539789
•: Finding

Sperm cells whose flagella are twisted (coiled).

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Abnormality of the genitourinary system

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