Results 161 to 170 of about 2,059,461 (220)

Monitoring dimeric status of IZUMO1 during the acrosome reaction in living spermatozoon. [PDF]

Cell Cycle, 2018
Inoue N, Wada I.
europepmc   +1 more source

Acute Myeloid Leukemia Affects Mouse Sperm Parameters, Spontaneous Acrosome Reaction, and Fertility Capacity. [PDF]

Int J Mol Sci, 2019
Michailov Y, Lunenfeld E, Kapilushnik J, Friedler S, Meese E, Huleihel M.   +5 more
europepmc   +1 more source

The relationship between acrosome reaction and polyunsaturated fatty acid composition in boar sperm

Reproduction in Domestic Animals, 2020
This study investigated the relationship between acrosome reactions and fatty acid composition with respect to fertility in boar sperm. The acrosome reaction was induced more than 85% by 60 mM methyl‐beta‐cyclodextrin (MBCD), and plasma membrane ...
Sang-Hee Lee, Yong Sik Yun, Choon-Keun Park   +2 more
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Equatorin is not essential for acrosome biogenesis but is required for the acrosome reaction

Biochemical and Biophysical Research Communications, 2014
The acrosome is a specialized organelle that covers the anterior part of the sperm nucleus and plays an essential role in mammalian fertilization. However, the regulatory mechanisms controlling acrosome biogenesis and acrosome exocytosis during fertilization are largely unknown.
Jianxiu, Hao, Min, Chen, Shaoyang, Ji, Xiaona, Wang, Yanbo, Wang, Xingxu, Huang, Lin, Yang, Yaqing, Wang, Xiuhong, Cui, Limin, Lv, Yixun, Liu, Fei, Gao   +11 more
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Acrosome reaction in human spermatozoa

Fertility and Sterility, 1986
Human spermatozoa were allowed to undergo the acrosome reaction in vitro by incubation in media with or without reagents known to accelerate the onset of the acrosome reaction. The first observable change before the acrosome reaction was a partial decondensation of the acrosomal matrix. This was followed by invaginations of the outer acrosomal membrane
T, Nagae, R, Yanagimachi, P N, Srivastava, H, Yanagimachi   +3 more
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The acrosome reaction in boar spermatozoa*

Human Reproduction, 1988
In order to gain more insight into the molecular alterations of the acrosome, boar spermatozoa were incubated in a calcium-containing medium in the presence of the ionophore A23187. The time-course of the acrosome reaction was assessed by phase-contrast microscopy.
E, Töpfer-Petersen, A E, Friess, W B, Schill   +2 more
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Absence of Acrosome Reaction in Polyzoospermia*

Andrologia, 2009
Using the recently described triple-stain technique the time course of the acrosome reaction in a group of patients with polyzoospermia was evaluated and was compared to that of a group of normozoospermic men and a group of men with proven fertility. Polyzoospermia (greater than 250 Mill. spermatozoa/ml) has been repeatedly associated with subfertility.
E, Töpfer-Petersen, C, Völcker, E, Heissler, W B, Schill   +3 more
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Physiological inducers of the acrosome reaction

Cell Differentiation and Development, 1988
This article reviews recent studies on physiological inducers of the acrosome reaction in starfish. Upon encountering the jelly coat of eggs, starfish sperm undergo the acrosome reaction in response to a cooperation of three jelly components: a sulfated glycoprotein named acrosome reaction-inducing substance (ARIS), a group of steroidal saponins named ...
M, Hoshi, T, Matsui, I, Nishiyama, T, Amano, Y, Okita   +4 more
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The acrosome reaction in human spermatozoa

Biology of the Cell, 2000
During gamete interaction, sperm acrosome reaction (AR) induced by oocyte investment is a prerequisite event for the spermatozoa to pass through the zona pellucida (ZP), fuse with and penetrate the oocyte. Progesterone (P4), secreted by cumulus cells, is an important cofactor for the occurrence of this exocytosis event.
C, Patrat, C, Serres, P, Jouannet
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