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In mouse testis, PP1 1 is restricted mainly to somatic cells, while PP1 2 is primarily located in secondary spermatocytes and germ cells, and the only isoform detectable in mammalian spermatozoa. Targeted deletion of the PP1 gene results in sterile male mice. Because the most prominent marker of this phenotype is aberrant spermatid morphogenesis, its primary cause may be the absence of PP1 2 since PP1 1 is mainly in somatic cells. To better understand the role of PP1 2 in mammalian testis/sperm, this dissertation was undertaken to explore PP1 2 interactions with its regulatory proteins in…mehr

Produktbeschreibung
In mouse testis, PP1 1 is restricted mainly to
somatic cells, while PP1 2
is primarily located in secondary spermatocytes and
germ cells, and the
only isoform detectable in mammalian spermatozoa.
Targeted deletion
of the PP1 gene results in sterile male mice.
Because the most
prominent marker of this phenotype is aberrant spermatid
morphogenesis, its primary cause may be the absence
of PP1 2 since
PP1 1 is mainly in somatic cells. To better
understand the role of
PP1 2 in mammalian testis/sperm, this dissertation
was undertaken to
explore PP1 2 interactions with its regulatory
proteins in testis/sperm.
Wild-type and mutant isoforms of PPP1R11/inhibitor 3
(I3),
PPP1R2/inhibitor 2 (I2) and a novel protein similar
to I2 were studied.
The studies from this dissertation provide important
insights into the
regulation of PP1 2 in testis and sperm.
Autorenporträt
I got my MD degree from Shanxi Medical University, China, in
1998, Master degree in
Neurobiology from Shanghai Medical Center of Fudan University
(former: Shanghai
Medical University), China, in 2001, and Ph.D. in Reproductive
Physiology at Kent State
University, USA, in 2008.