نتایج جستجو برای: motility
تعداد نتایج: 38361 فیلتر نتایج به سال:
The motility of individual, aggregation-competent amebae of Dictyostelium has been analyzed at different concentrations of cAMP under both nongradient and gradient conditions. The following is demonstrated: (a) concentrations of cAMP greater than 10(-8) M inhibit motility in a concentration-dependent fashion, decrease the frequency but not the degree of turning, and cause rounding in cell shape...
Sperm motility stimulation is a pharmacological treatment used to improve sperm motility and treatment outcome in frozen-thawed epididymal and testicular spermatozoa. Sperm motility is a critical factor in male fertility. Low motility can be caused by a variety factors including abnormal spermatogenesis, oxidative damage, or depletion of intracellular adenosine triphosphate (ATP; molecule that ...
Quorum sensing (QS) is a type of cell-to-cell communication that influenced by an increase in signaling molecules known as autoinducers, which correlated to the density microbial communities. In this review, we aim discuss and provide updates on different used Escherichia coli, such acyl-homoserine lactone (AHL), autoinducer-2 (AI-2), indole influence key phenotypes antibiotic drug resistance, ...
Sperm motility stimulation is a pharmacological treatment used to improve sperm motility and treatment outcome in frozen-thawed epididymal and testicular spermatozoa. Sperm motility is a critical factor in male fertility. Low motility can be caused by a variety factors including abnormal spermatogenesis, oxidative damage, or depletion of intracellular adenosine triphosphate (ATP; molecule that ...
Sperm motility stimulation is a pharmacological treatment used to improve sperm motility and treatment outcome in frozen-thawed epididymal and testicular spermatozoa. Sperm motility is a critical factor in male fertility. Low motility can be caused by a variety factors including abnormal spermatogenesis, oxidative damage, or depletion of intracellular adenosine triphosphate (ATP; molecule that ...
Soon after hatching, chicks exhibit an array of adaptive, coordinated behaviors. Chick embryos also acquire nearly 18 days of movement experience, referred to as embryonic motility, before hatching. The chick expresses three forms of motility, types I, II, and III, and each emerges at a different stage of embryonic development. Although much is known about the mechanisms associated with motilit...
Neuronal Wiskott-Aldrich syndrome protein (N-WASP) and the actin-related protein 2/3 (Arp2/3) complex have emerged as critical host proteins that regulate pathogen actin-based motility. Actin tail formation and motility in Listeria monocytogenes require the Arp2/3 complex but bypasses N-WASP signaling. Motility of Shigella flexneri and vaccinia virus requires both N-WASP and the Arp2/3 complex....
Effect of Temulawak (Curcuma xanthorrhiza) Extract on Sperm Counts, Morphology, and Motility Nicotine-Induced Mice
The purpose of this study was to evaluate the probable effects of leptin addition in different levels to the semen extender on sperm quality (motility and motility parameters, viability, sperm membrane integrity, and DNA damage). Semen specimens were evaluated immediately after leptin addition, equilibration time and after thawing the frozen semen. Five healthy buffalo bulls (5 ejaculates from ...
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