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Protein
Azoospermia factor (AZF) is one of several proteins or their genes, which are coded from the AZF region on the human male Y chromosome. Deletions in this
Azoospermia_factor
Medical condition of a man whose semen contains no sperm
Pretesticular azoospermia is seen in about 2% of azoospermia. Pretesticular azoospermia is a kind of non-obstructive azoospermia. Testicular azoospermia means
Azoospermia
Medical condition
genetic material on Y-chromosome regions, particularly the azoospermia factor area. Other factors include chemical or toxin exposure, previous exposure to radiation
Sertoli_cell-only_syndrome
Traits produced by genes located on the Y chromosome
AZF2 (azoospermia factor 2), BPY2 (basic protein on the Y chromosome), AZF1 (azoospermia factor 1), DAZ (Spermatogenes is deleted in azoospermia), RBM1
Y_linkage
Protein-coding gene in the species Homo sapiens
syndrome (SCO) and male infertility. The USP9Y gene is found on the azoospermia factor (AZF) region on the Y chromosome. Men who have impaired or no sperm
USP9Y
Topics referred to by the same term
have taken its name from an explosion at the AZf factory in Toulouse Azoospermia factor Azidophenylalanine This disambiguation page lists articles associated
AZF
Sri Lankan physician and academic (1950–2022)
Simoni. "Y‐chromosomal microdeletions and partial deletions of the Azoospermia Factor c (AZFc) region in normozoospermic, severe oligozoospermic and azoospermic
Tilak_Weerasooriya
Family of genetic disorders caused by missing genes in the Y chromosome
developed.[citation needed] Much study has been focused upon the "azoospermia factor locus" (AZF), at Yq11. A specific partial deletion of AZFc called
Y_chromosome_microdeletion
Absence of an organ or tissue from birth
genetic material on Y-chromosome regions, particularly the azoospermia factor area. Other factors include chemical or toxin exposure, previous exposure to radiation
Aplasia
Protein-coding gene in the species Homo sapiens
the DAZ gene family and is a candidate for the human Y-chromosomal azoospermia factor (AZF). Its expression is restricted to premeiotic germ cells, particularly
DAZ2
Medical condition
hormonal changes. A review in 2013 came to the result that oligospermia and azoospermia are significantly associated with being overweight (odds ratio 1.1),
Oligospermia
Sex chromosome in the XY sex-determination system
Y chromosome clarifies origins and evolution of the DAZ (Deleted in AZoospermia) genes". BioEssays. 34 (12): 1035–44. doi:10.1002/bies.201200066. PMC 3581811
Y_chromosome
Protein-coding gene in the species Homo sapiens
the C-terminus. Multiple copies of this gene are found in the AZFb azoospermia factor region of chromosome Y and the encoded protein is thought to be involved
RNA binding motif protein, Y-linked, family 1, member A1
RNA_binding_motif_protein,_Y-linked,_family_1,_member_A1
Complete lack of semen
the complete lack of semen with ejaculation (not to be confused with azoospermia, the lack of sperm cells in the semen). It is associated with infertility
Aspermia
Protein-coding gene in the species Homo sapiens
the DAZ gene family and is a candidate for the human Y-chromosomal azoospermia factor (AZF). Its expression is restricted to premeiotic germ cells, particularly
DAZ3
Condition in which a male has abnormally low semen volume
there are numerous causes for hypospermia, all of the known contributing factors can be placed into two major distinct categories: Ejaculatory dysfunction
Hypospermia
Protein-coding gene in the species Homo sapiens
the DAZ gene family and is a candidate for the human Y-chromosomal azoospermia factor (AZF). Its expression is restricted to pre-meiotic germ cells, particularly
DAZ1
Sex-specific patterns of inheritance
chromosome is known to be involved in sex determination. As well, AZF, azoospermia factor region encodes for 16 proteins, and are thus related to the production
Sex_linkage
due to genetic factors resulting in irreversible azoospermia. However some cases may be consecutive to hormonal, thermic, or toxic factors and may be reversible
Spermatogenesis_arrest
In vitro fertilization procedure
condition is called non-obstructive or secretory azoospermia, as opposed to obstructive azoospermia, in which complete sperm production does occur in
Intracytoplasmic sperm injection
Intracytoplasmic_sperm_injection
Condition in which a male has an abnormally large ejaculate volume
-spermia Aspermia Asthenozoospermia Azoospermia Hyperspermia Hypospermia Oligospermia Necrospermia Teratospermia Testicular infertility factors v t e
Hyperspermia
Stem cell biologist
(1996-05-11). "Severe oligozoospermia resulting from deletions of azoospermia factor gene on Y chromosome". Lancet. 347 (9011): 1290–1293. doi:10
Renee_Reijo_Pera
Protein-coding gene in the species Homo sapiens
dispersed throughout northern Eurasia despite a 1.8-Mb deletion in the azoospermia factor c region". Genomics. 83 (6): 1046–52. doi:10.1016/j.ygeno.2003.12
BPY2
Regulators of feedback on FSH-production
140 pg/mL) than in infertile men (approximately 80 pg/mL). In men with azoospermia, a positive test for inhibin B slightly raises the chances for successfully
Activin_and_inhibin
Transcription factor
development, breast cancer and azoospermia. Because it apparently interacts with the species-specific human co-factor (P-TEFb) for HIV-1 transcription
MCEF
Cytogeneticist, Fellow of the Royal Society of Edinburgh
gene family with RNA-binding protein homology: Candidates for the azoospermia factor AZF controlling human spermatogenesis". Cell. 75 (7): 1287–1295. doi:10
Ann_Chester_Chandley
Medical condition of mis-shaped sperm
-spermia Aspermia Asthenozoospermia Azoospermia Hyperspermia Hypospermia Oligospermia Necrospermia Teratospermia Testicular infertility factors v t e
Teratospermia
Protein-coding gene in the species Homo sapiens
However, in the testes of patients exhibiting spermatogenesis arrest and azoospermia, BRD7 protein expression is observed to be absent or reduced. Homozygous
BRD7
Sperm disorder
-spermia Aspermia Asthenozoospermia Azoospermia Hyperspermia Hypospermia Oligospermia Necrospermia Teratospermia Testicular infertility factors v t e
Necrospermia
Medical condition
although they may have smaller testes. Men with this condition may exhibit azoospermia (no sperm production), oligozoospermia (small number of sperm production)
Male_infertility
Medical term for reduced sperm motility
caused by oxidative stress: modifiable clinical, lifestyle and nutritional factors in male infertility". Reprod. Biomed. Online. 28 (6): 684–703. doi:10.1016/j
Asthenozoospermia
Semen discharge from the male reproductive tract
oligospermia, and the absence of any sperm from the semen is termed azoospermia. The first ejaculation in males often occurs about 12 months after the
Ejaculation
Surgical procedure for male sterilization
be continued until azoospermia is confirmed. Usually two semen analyses at three and four months are necessary to confirm azoospermia. The British Andrological
Vasectomy
Medical condition
Examples of MAIS phenotypes include isolated infertility (oligospermia or azoospermia), mild gynecomastia in young adulthood, decreased secondary terminal
Mild androgen insensitivity syndrome
Mild_androgen_insensitivity_syndrome
Antibodies produced against sperm antigens
samples with very low sperm count (i.e. severe oligoastheno-, or even azoospermia) cannot be evaluated using this method. Also presence of debris or high
Antisperm_antibodies
Gene which maintains basic cellular functions
SPAG7 SRM Spermidine synthase TEGT Bax-1 inhibitor DAZAP2 Deleted in azoospermia MEA1 Male enhanced antigen Inducible gene Genevestigator Spatiotemporal
Housekeeping_gene
Human chromosomal condition
spermiogram can also be part of the further investigation. Often, an azoospermia is present, or rarely an oligospermia. Furthermore, Klinefelter syndrome
Klinefelter_syndrome
Protein-coding gene in the species Homo sapiens
Deleted in azoospermia-like is a protein that in humans is encoded by the DAZL gene. The DAZ (Deleted in AZoospermia) gene family encodes potential RNA
DAZL
Scientific analysis of semen
hypoandrogenism and obstructions in some parts of the ejaculatory tract, azoospermia, given that it has been at least 48 hours since the last ejaculation
Semen_analysis
Process of obtaining semen from male animals
recommend any specific surgical sperm retrieval technique for men with azoospermia undergoing intracytoplasmic sperm injection (ICSI). Penile vibratory
Semen_collection
Inability to reproduce
testosterone, functional azoospermia (in which sperm is not produced or not produced in enough numbers) and obstructive azoospermia in which the pathway for
Infertility
Male contraceptive method
(47 °C) can affect fertility for months. Thermal methods do not cause azoospermia, but a reduction of the spermatozoa below the contraceptive threshold
Heat-based_contraception
Medical condition
came to the result that obesity increases the risk of oligospermia and azoospermia in males, with an of odds ratio 1.3. Being morbidly obese increases the
Obesity-associated_morbidity
Above a weight considered healthy
dwindle. Being overweight also increases the risk of oligospermia and azoospermia in men. Psychological well-being is also at risk in the overweight individual
Overweight
Medical condition
Trounson A, de Kretser D, McLachlan R, Ng SC, Yong EL (December 1998). "Azoospermia associated with a mutation in the ligand-binding domain of an androgen
Androgen insensitivity syndrome
Androgen_insensitivity_syndrome
Application of fine-needle aspiration
"mapping" to systemically assess and localize sperm for ART in men with azoospermia (no sperm count) and with testis failure characterized by "patchy" or
FNA_mapping
Protein-coding gene in the species Homo sapiens
Yogev L, Maduro MR, Ishikawa M, Westphal H, Lamb DJ (November 2003). "Azoospermia in patients heterozygous for a mutation in SYCP3". Lancet. 362 (9397):
SYCP3
spermatogenesis by testis biopsy. Vasography is absolutely indicated if 1) azoospermia (low sperm) is present, 2) testis biopsy shows complete spermatogenesis
Vasography
Undifferentiated male germ cell
infertility issues. The main cause of infertility is due to obstructive azoospermia (OA). OA is a condition where there is a blockage in a male's reproductive
Spermatogonium
Egyptian researcher (1933–2007)
research examining the contraceptive efficacy of polyester in inducing azoospermia in men, findings that were published in Contraception and European Urology
Ahmed_Shafik_(surgeon)
Genetic factors including aneuploidies and single-gene mutations are also contributed to the male infertility. Patients with nonobstructive azoospermia or
Genetics_of_infertility
Pregnancy prevention methods used by men
Retrieved 2023-12-18. "Contraceptive efficacy of testosterone-induced azoospermia in normal men. World Health Organization Task Force on methods for the
Male_contraceptive
Protein-coding gene in the species Homo sapiens
172 candidate polymorphisms for association with oligozoospermia or azoospermia in a large cohort of men of European descent" (PDF). Human Reproduction
Testis_expressed_15
Cytoplasmic biomolecular condensates of proteins and RNA occurring in cells under stress
PMC 7448383. PMID 32302571. Kim B, Rhee K (2016). "BOULE, a Deleted in Azoospermia Homolog, Is Recruited to Stress Granules in the Mouse Male Germ Cells"
Stress_granule
Medical condition
libido and sexual activity, infertility due to low (oligospermia) or no (azoospermia) sperm count, loss of body hair, loss of muscle mass, hot flashes, psychological
Hypergonadotropic hypogonadism
Hypergonadotropic_hypogonadism
Protein-coding gene in the species Homo sapiens
deletions that map to regions of the Y chromosome. The DAZ1 (Deleted in Azoospermia) gene cluster maps to the AZFc region of the Y chromosome and is deleted
DAZ_associated_protein_1
Protein found in humans
"Screening for ZNF230 gene mutation and analysis of its correlation with azoospermia". Zhonghua Yi Xue Yi Chuan Xue Za Zhi. 22 (3): 258–60. PMID 15952109
Zinc_finger_protein_230
Protein-coding gene in the species Homo sapiens
accessory factor during meiotic homologous recombination. Mutations in the DMC1 gene are associated with male infertility, due to nonobstructive azoospermia, where
DNA_meiotic_recombinase_1
Cellular process
variants to MSH4 and MSH5 are compatible with life, but are associated with azoospermia in males (spermatogenic failure) and premature ovarian failure in females
Chromosomal_crossover
Protein-coding gene in humans
polymorphisms in PRDM9 (MEISETZ) gene may be a genetic risk factor for Japanese patients with azoospermia by meiotic arrest". Journal of Assisted Reproduction
PRDM9
False or misleading virus information
recovered from infections, or one-quarter of the test subjects, had either azoospermia (no sperm in semen) or oligospermia (low sperm count). Mechanisms through
COVID-19_misinformation
Protein-coding gene in the species Homo sapiens
Cleary ML (2002). "Male infertility, impaired spermatogenesis, and azoospermia in mice deficient for the pseudophosphatase Sbf1". J. Clin. Invest. 109
SBF1
Protein-coding gene in the species Homo sapiens
nucleotide polymorphisms in the SEPTIN12 gene may be associated with azoospermia by meiotic arrest in Japanese men". Journal of Assisted Reproduction
SEPT12
Winners of satirical science award
Shafik, Ahmed (1992). "Contraceptive efficacy of polyester-induced azoospermia in normal men". Contraception. 45 (5): 439–451. doi:10.1016/0010-7824(92)90157-O
List of Ig Nobel Prize winners
List_of_Ig_Nobel_Prize_winners
RNA family
2009). "Altered microRNA expression in patients with non-obstructive azoospermia". Reproductive Biology and Endocrinology. 7: 13. doi:10.1186/1477-7827-7-13
Mir-383 microRNA precursor family
Mir-383_microRNA_precursor_family
Form of hormone therapy
PMC 4212439. PMID 25360240. "Contraceptive efficacy of testosterone-induced azoospermia in normal men. World Health Organization Task Force on methods for the
Androgen_replacement_therapy
Biological phenomenon
meiotic cell division in mouse models. Deletion of this PE leads to an azoospermia phenotype. With the advent of next-generation sequencing technologies
Poison_exon
Group of illnesses affecting canines
lameness, ulcers, and disfiguration: it progresses to joint pain and azoospermia in males and disruption of the oestrous cycle in females. Some systemic
Dog_skin_disorders
Abnormal partial or mixed chromosome
13 and 21) being the most common. Clinically, these men have either azoospermia (i.e. absence of sperm), oligozoospermia (i.e. abnormally low sperm counts)
Small supernumerary marker chromosome
Small_supernumerary_marker_chromosome
Organelle found on eukaryotic cells
K, Kohei N, Okubo K, Nishiyama H, Terai A (July 2006). "Obstructive azoospermia associated with chronic sinopulmonary infection and situs inversus totalis"
Cilium
Mammalian protein found in Homo sapiens
"Whole-genome sequencing identifies new candidate genes for nonobstructive azoospermia". Andrology. 10 (8): 1605–1624. doi:10.1111/andr.13269. PMC 9826517.
TKTL1
Medication and naturally occurring steroid hormone
progesterone by intramuscular injection for 10 weeks in men produced azoospermia, decreased testicular size, markedly suppressed libido and erectile potency
Progesterone_(medication)
can cause short-term oligospermia or azoospermia, while higher doses (>2-3 Gy) can cause permanent azoospermia. Moreover, testicular radiation or central
Side effects of radiotherapy on fertility
Side_effects_of_radiotherapy_on_fertility
Class of drugs
(mostly only with aromatizable and hence estrogenic AAS), oligospermia/azoospermia, testicular atrophy, intratesticular leiomyosarcoma, prostate hypertrophy
Anabolic_steroid
American biologist and corporate director (born 1956)
with the 1996 discovery that a family of genes called DAZ (deleted in azoospermia) had been transposed from an autosome to the Y chromosome. In 1999, Page
David_C._Page
Unspecialized biological cell that can become specialized
introducing human iPSC cells in mice testicles. This could mean the end of azoospermia. Female infertility: oocytes made from embryonic stem cells. Scientists
Stem_cell
Protein complex that regulates the separation of sister chromatids during cell division
primary ovarian insufficiency, trisomy in offspring and non-obstructive azoospermia. Oocyte loss is a natural process that accelerates as women enter their
Cohesin
Grassland antelope
attributed to difficulties in segregation during meiosis, indicated by azoospermia and a low number of germ cells in its seminiferous tubules. There are
Hartebeest
mrna expression profiles in the testes of idiopathic nonobstructive azoospermia patients. Frontiers in endocrinology. https://pubmed.ncbi.nlm.nih.gov/36589848/
C22orf42
Medication and naturally occurring steroid hormone
in the public domain. "Contraceptive efficacy of testosterone-induced azoospermia in normal men. World Health Organization Task Force on methods for the
Testosterone_(medication)
Pharmaceutical compound
injections with 12.5 to 100 mg/day CPA results in azoospermia in most men. The rates of azoospermia increased with greater CPA dosage, which was attributed
Pharmacology of cyproterone acetate
Pharmacology_of_cyproterone_acetate
Axenfeld–Rieger syndrome, type 3; 602482; FOXC1 Azoospermia due to perturbations of meiosis; 270960; SYCP3 Azoospermia; 415000; USP9Y Baller–Gerold syndrome; 218600;
List_of_OMIM_disorder_codes
intramuscular injection in five men found that the medication produced azoospermia or severe oligozoospermia in all within 10 weeks, suppressed libido,
Pharmacodynamics of progesterone
Pharmacodynamics_of_progesterone
Deborah W; Jorde, Lynn B (2017-12-12). "Primary Ovarian Insufficiency and Azoospermia in Carriers of a Homozygous PSMC3IP Stop Gain Mutation". The Journal
GT198
Protein-coding gene in humans
deletions that map to regions of the Y chromosome. The DAZ (deleted in azoospermia) gene cluster maps to the AZFc region and is deleted in many azoospermic
DAZAP2
PMID 904069. Svetec DA, Waguespack RL, Sabanegh ES (1998). "Intermittent azoospermia associated with epididymal sarcoidosis". Fertil Steril. 70 (4): 777–9
Testicular_sarcoidosis
AZOOSPERMIA FACTOR
AZOOSPERMIA FACTOR
Surname or Lastname
English
English : from Middle English buyscel, busshell, bysshell ‘bushel’, ‘measure of grain’ (Old French boissel, buissel, of Gaulish origin), hence a metonymic occupational name for a grain merchant or factor, one who measured grain. The name may also have been applied to a maker of vessels designed to hold or measure out a bushel.English : from a diminutive of Biss.Respelling of German Biesel, a habitational name from Bisel in Alsace.
Surname or Lastname
English (mainly East Anglia)
English (mainly East Anglia) : metonymic occupational name for someone who dealt in weights and measures, for example a grain factor, from Middle English pekke ‘peck’ (an old measure of dry goods equivalent to eight quarts or a quarter of a bushel).English : variant of Peak 1.Irish : variant of Peak 2.South German : variant of Beck.North German and Dutch : metonymic occupational name for someone who prepared or sold pitch, from Middle Low German pek, Middle Dutch pec, pic.Dutch : from Middle Dutch pec, pick ‘desperate straits’, hence a nickname for a person in difficult circumstances or perhaps for someone with a gloomy disposition.
Surname or Lastname
English, French, Spanish, Portuguese, German, Polish, Czech, Slovak, Hungarian (Dániel), Romanian, and Jewish
English, French, Spanish, Portuguese, German, Polish, Czech, Slovak, Hungarian (Dániel), Romanian, and Jewish : from the Hebrew personal name Daniel ‘God is my judge’, borne by a major prophet in the Bible. The major factor influencing the popularity of the personal name (and hence the frequency of the surname) was undoubtedly the dramatic story in the Book of Daniel, recounting the prophet’s steadfast adherence to his religious faith in spite of pressure and persecution from the Mesopotamian kings in whose court he served: Nebuchadnezzar and Belshazzar (at whose feast Daniel interpreted the mysterious message of doom that appeared on the wall, being thrown to the lions for his pains). The name was also borne by a 2nd-century Christian martyr and by a 9th-century hermit, the legend of whose life was popular among Christians during the Middle Ages; these had a minor additional influence on the adoption of the Christian name. Among Orthodox Christians in Eastern Europe the name was also popular as being that of a 4th-century Persian martyr, who was venerated in the Orthodox Church.Irish : reduced form of McDaniel, which is actually a variant of McDonnell, from the Gaelic form of Irish Donal (equivalent to Scottish Donald), erroneously associated with the Biblical personal name Daniel. See also O’Donnell.Peter Daniel was one of the pioneer settlers in the 17th century in Stafford County, VA, where he was a justice of the peace. His grandson, Peter Vivian Daniel, was a U.S. Supreme Court justice from 1841 to his death in Richmond, VA, in 1860.
AZOOSPERMIA FACTOR
AZOOSPERMIA FACTOR
Girl/Female
Arabic, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Sindhi, Tamil, Telugu, Traditional
Rich; Goddess Durga; The Female Energy
Boy/Male
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Tamil
Pious
Girl/Female
Indian
Trustworthy, Honest
Girl/Female
Greek
Wife of Pandion.
Girl/Female
Arabic
One of the Beautiful Allah Tree
Boy/Male
Spanish
Manly; brave.Andrew.
Male
Polish
Polish form of Greek Christianos, KRYSTIAN means "believer" or "follower of Christ."
Male
Greek
(Θωθ) Greek form of Egyptian Djehuty, THOTH means "he who balances." In mythology, this is the name of a god of the moon, magic and science.
Surname or Lastname
English
English : variant of Lind 2 and Line 1.Irish : variant of Lane 2.Scottish : habitational name from places so named in Ayrshire, Peebles-shire, and Wigtownshire.
Boy/Male
Indian, Sanskrit
Seeker of the Absolute
AZOOSPERMIA FACTOR
AZOOSPERMIA FACTOR
AZOOSPERMIA FACTOR
AZOOSPERMIA FACTOR
AZOOSPERMIA FACTOR
n.
The business of a factor.
pl.
of Factory
n.
The allowance given to a factor, as a compensation for his services; -- called also a commission.
imp. & p. p.
of Factor
n.
A factor who is a woman.
n.
The turning factor of a quaternion.
p. pr. & vb. n.
of Factorize
n.
The act of resolving into factors.
n.
One who deals in grain; a corn factor.
imp. & p. p.
of Factorize
p. pr. & vb. n.
of Factor
a.
Of or pertaining to a factory.
v. t.
To resolve (a quantity) into its factors.
v. i.
To conduct; to manage; to carry on; as, to run a factory or a hotel.
n.
A building, or collection of buildings, appropriated to the manufacture of goods; the place where workmen are employed in fabricating goods, wares, or utensils; a manufactory; as, a cotton factory.
a.
Related to factorials.
n.
A house or place where factors, or commercial agents, reside, to transact business for their employers.
n.
A name given to the factors of a continued product when the former are derivable from one and the same function F(x) by successively imparting a constant increment or decrement h to the independent variable. Thus the product F(x).F(x + h).F(x + 2h) . . . F[x + (n-1)h] is called a factorial term, and its several factors take the name of factorials.
n.
The body of factors in any place; as, a chaplain to a British factory.
n.
One who transacts business for another; an agent; a substitute; especially, a mercantile agent who buys and sells goods and transacts business for others in commission; a commission merchant or consignee. He may be a home factor or a foreign factor. He may buy and sell in his own name, and he is intrusted with the possession and control of the goods; and in these respects he differs from a broker.