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Spermatogenic failure 76(SPGF76)

MedGen UID:
1824009
•Concept ID:
C5774236
•
Disease or Syndrome
Synonym: SPGF76
 
Gene (location): CCDC34 (11p14.1)
 
Monarch Initiative: MONDO:0031077
OMIM®: 620084

Definition

Spermatogenic failure-76 (SPGF76) is characterized by male infertility due to oligoasthenoteratozoospermia. Multiple morphologic abnormalities of the flagella (MMAF) have been observed, including short, absent, and irregular caliber flagella. Ultrastructural anomalies include disordered outer dense fibers and abnormal 9+2 microtubular structures (Cong et al., 2022). For a general phenotypic description and 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.
See: Feature record | Search on this feature
Oligospermia
MedGen UID:
18162
•Concept ID:
C0028960
•
Disease or Syndrome
Reduced count of spermatozoa in the semen, defined as a sperm count below 20 million per milliliter semen.
See: Feature record | Search on this feature
Reduced sperm motility
MedGen UID:
98339
•Concept ID:
C0403823
•
Disease or Syndrome
An abnormal reduction in the mobility of ejaculated sperm.
See: Feature record | Search on this feature
Absent sperm flagella
MedGen UID:
1623855
•Concept ID:
C4539786
•
Finding
Sperm cells lacking flagella.
See: Feature record | Search on this feature
Short sperm flagella
MedGen UID:
1623693
•Concept ID:
C4539787
•
Finding
Sperm cells with abnormally short flagella.
See: Feature record | Search on this feature
Irregularly shaped sperm tail
MedGen UID:
1687959
•Concept ID:
C5233737
•
Finding
Irregular or changing caliber (diameter) along the tail of the sperm.
See: Feature record | Search on this feature

Recent clinical studies

Etiology

Comparison of intracytoplasmic sperm injection (ICSI) outcomes in infertile men with spermatogenic impairment of differing severity.
Ping P, Zheng Z, Ma Y, Zou SS, Chen XF
Asian J Androl 2022 May-Jun;24(3):299-304. doi: 10.4103/aja202151. PMID: 34677147Free PMC Article
Combined deletion of DAZ2 and DAZ4 copies of Y chromosome DAZ gene is associated with male infertility in Tunisian men.
Ghorbel M, Baklouti-Gargouri S, Keskes R, Chakroun N, Sellami A, Fakhfakh F, Ammar-Keskes L
Gene 2014 Sep 1;547(2):191-4. Epub 2014 May 28 doi: 10.1016/j.gene.2014.05.061. PMID: 24878370
Histological and hormonal testicular function in oligo/azoospermic infertile men.
Lardone MC, Piottante A, Valdevenito R, Ebensperger M, Castro A
Andrologia 2013 Dec;45(6):379-85. Epub 2012 Sep 26 doi: 10.1111/and.12026. PMID: 23013062
Y chromosome TSPY copy numbers and semen quality.
Nickkholgh B, Noordam MJ, Hovingh SE, van Pelt AM, van der Veen F, Repping S
Fertil Steril 2010 Oct;94(5):1744-7. Epub 2009 Nov 14 doi: 10.1016/j.fertnstert.2009.09.051. PMID: 19917507
AZF microdeletions and partial deletions of AZFc region on the Y chromosome in Moroccan men.
Imken L, El Houate B, Chafik A, Nahili H, Boulouiz R, Abidi O, Chadli E, Louanjli N, Elfath A, Hassar M, McElreavey K, Barakat A, Rouba H
Asian J Androl 2007 Sep;9(5):674-8. doi: 10.1111/j.1745-7262.2007.00290.x. PMID: 17712485

Diagnosis

Histological and hormonal testicular function in oligo/azoospermic infertile men.
Lardone MC, Piottante A, Valdevenito R, Ebensperger M, Castro A
Andrologia 2013 Dec;45(6):379-85. Epub 2012 Sep 26 doi: 10.1111/and.12026. PMID: 23013062

Clinical prediction guides

Histological and hormonal testicular function in oligo/azoospermic infertile men.
Lardone MC, Piottante A, Valdevenito R, Ebensperger M, Castro A
Andrologia 2013 Dec;45(6):379-85. Epub 2012 Sep 26 doi: 10.1111/and.12026. PMID: 23013062
Y chromosome TSPY copy numbers and semen quality.
Nickkholgh B, Noordam MJ, Hovingh SE, van Pelt AM, van der Veen F, Repping S
Fertil Steril 2010 Oct;94(5):1744-7. Epub 2009 Nov 14 doi: 10.1016/j.fertnstert.2009.09.051. PMID: 19917507
AZF microdeletions and partial deletions of AZFc region on the Y chromosome in Moroccan men.
Imken L, El Houate B, Chafik A, Nahili H, Boulouiz R, Abidi O, Chadli E, Louanjli N, Elfath A, Hassar M, McElreavey K, Barakat A, Rouba H
Asian J Androl 2007 Sep;9(5):674-8. doi: 10.1111/j.1745-7262.2007.00290.x. PMID: 17712485
Does the gonadotrophic axis play a role in the pathogenesis of Sertoli-cell-only syndrome?
Leifke E, Simoni M, Kamischke A, Gromoll J, Bergmann M, Nieschlag E
Int J Androl 1997 Feb;20(1):29-36. doi: 10.1046/j.1365-2605.1997.00102.x. PMID: 9202988

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