Insulin and leptin enhance human sperm motility, acrosome reaction and nitric oxide production FREE Fanuel Lampiao and Stefan S ...

BRD4 dynamics reveal novel acrosome-dependent chromatin reorganization during post-meiotic mammalian sperm development. ...

The results indicate that the level of acrosome-intact live spermatozoa in the AI dose did not affect the 56-day NRR for the ... Moreover, in vitro acrosome and plasma membrane integrity was assessed and compared with AI fertility data for possible ... The flow cytometric results revealed a significant higher level of acrosome-intact live spermatozoa in Biladyl-processed semen ... using propidium iodide and Alexa 488-conjugated peanut agglutinin to assess the proportion of plasma membrane and acrosome- ...

For gray wolves, the majority of abnormalities were distal cytoplasmic droplets, abnormal acrosomes, and kinked tails. For the ...

by acrosome 37. 7,610. GURPS. [Sci-fi] Plausible scenarios for the evacuation of Earth at TL10-11 (. 1 2 3 4) ...

Electron transmission microscopy of outer sperm membranes showed higher (P,0,05) percentage of sperm with lost acrosomes in ... This could be attributed to a better acrosome exocytosis, associated to the absence of certain membrane proteins. ...

18 It is responsible for initiating the acrosome reaction in capacitated sperm.19 ...

The acrosome is a section of the sperm that contains the necessary proteins to dissolve the eggs external membrane. This ... The acrosome therefore serves an integral function during the fertilization process at the point where sperm must bind to the ... The authors of the study posit that PICK1 plays a crucial role in the formation of the acrosomes. It may be too early to ... In the most severe cases of globozoospermia, the acrosome is altogether absent. The round-headed sperm not only display an ...

A well-defined cap (acrosome) that covers 40% to 70% of the sperm head ...

In contrast, sperms exposed to SV40 DNA ended up with SV40 DNA in the posterior part of the acrosome inside the sperm [10]. ...

DHA is a component of the acrosome, an enzyme present in the head of sperm cells. This enzyme is essential for the sperms ... The amount of DHA required to form the acrosome is minute, and the body can produce enough of the fatty acid using EPA to ...

BIO 07 - sB

Effect of cissampelos capensis rhizome extract on human sperm capacitation and acrosome reaction Shalaweh, Salem (2013) ...

The tip of the sperm head is the portion called the acrosome, which enables the sperm to penetrate the egg. The midpiece ...

The head region is lacking an acrosome. The zone of overlap consisted of uniquely organized centriolar adjunct material, partly ...

Distorted sperm heads and acrosomes were seen in step 15 spermatids after 14 days at 480 mg/kg bw per day and above. Testicular ...

Rac1 is necessary for capacitation and acrosome reaction in guinea pig spermatozoa. Journal of cellular biochemistry. 2020. ...

However, melatonin did not improve recovery rate, sperm viability and acrosome integrity. In conclusion, melatonin addition can ... causing damage to sperm membranes and acrosomes as well as affecting mitochondrial activity. This results in a poor post-thaw ...

Neither of the two physiological inducers of the acrosome reaction (ZP3 or progesterone) can induce acrosome reactions in GalT ... activating intracellular signaling cascades that stimulate the exocytosis of the acrosome. The contents of the acrosome enable ... A23187-induced acrosome reaction. Sperm were collected, and at specific points during in vitro capacitation(Fig. 1) a 100 μl ... GalT I-null sperm do not require albumin, Ca2+, or HCO3- during capacitation to undergo an ionophore-induced acrosome reaction ...

The morphological criteria were acrosome, other (head, mid-piece and tail) and total morphological defect rates, and were 9.20 ... The types and rates of acrosome and other (head, mid-piece and tail) abnormal spermatozoon types were determined by the Spermac ... The types and rates of acrosome and other (head, mid-piece and tail) abnormal spermatozoon types were determined by the Spermac ... The morphological criteria were acrosome, other (head, mid-piece and tail) and total morphological defect rates, and were 9.20 ...

... a head consisting mainly a prominent haploid nucleus which carries the genetic material and also an acrosome, a midpiece ...

... the process by which spermatozoa in the ampullary portion of a uterine tube become capable of going through the acrosome ...

Sperm has an absolute requirement for Ca2+ ions to undergo acrosome reaction in preparation for egg fertilization (Ref 2). ...

Major biological processes of sperm acrosome associated 3 (SPACA3) were response to virus, phagocytosis, and regulation of ...

Each slide contains a dried layer of stain that allows for immediate visualization of sperm head, acrosome and tail. Undiluted ...

1993), and in others it is stored in a vesicular organelle, such as the sperm acrosome (Baba et al. 1993a). It may be processed ...

Results 1-2 of 2 (Search time: 0.001 seconds ...

Acrosome is a single secretory granule present in the head of mammalian sperm and secretion of acrosome, known as acrosome ... subfertility due to impaired acrosome reaction which typically manifests as unexplained subfertility because acrosome reaction ... Impaired acrosome reaction results in subfertility or infertility. More recently, a large-scale follow-up study compared ... We anticipate that the findings will improve our understanding about the genetic regulation of acrosome functions in the ...