نتایج جستجو برای: embryo toxicity
تعداد نتایج: 184242 فیلتر نتایج به سال:
Background: Cyclosporine is one of the main immunosuppressors used for renal transplant recipients, and is given to prevent transplant rejection. Although the drug increases the survival of patients and grafted organs, it has some side effects independent of its effect on the immune system that are usually ignored. Achillea Millefolium is famous for its medical application as an analgesic and a...
The normal intrauterine fluid environment is essential for embryo implantation. In hydrosalpinx patients, the implantation and pregnancy rates are markedly decreased after IVF-embryo transfer, while salpingectomy could significantly improve the pregnancy rates. The leakage of hydrosalpinx fluid into the endometrial cavity was supposed to be the major cause for impaired fertility. However, the u...
background: successful embryo transfer (et) technique is a fateful step of all efforts to achieve live births from in vitro produced embryos in assisted reproductive techniques or in knockout, transgenic or cloned animal projects. small reproductive tract of mice and limitation of current techniques may not well satisfy the requirements for mass production of genetically modified mice. genetic ...
Ochratoxin A can be hydrolyzed with a large amount of carboxypeptidase A to yield L-phenylalanine and an isocoumarin carboxylic acid. No hydrolytic effect was found, however, with the liver homogenate or the microsomal fraction of the rat. The toxicity of the hydrolyzate, isocoumarin carboxylic acid, was found to be much lower than that of ochratoxin A (LD50 16.96 ƒÊg/egg) to the chicken embryo...
The use of Cre/loxP recombination in mammalian cells has expanded rapidly. We describe here that Cre expression in cultured mammalian cells may result in a markedly reduced proliferation and that this effect is dependent on the endonuclease activity of Cre. Chromosome analysis after Cre expression revealed numerous chromosomal aberrations and an increased number of sister chromatid exchanges. T...
About 10% of 346 Penicillium cultures isolated from mold-fermented sausage synthesized the toxic metabolite penicillic acid on liquid media. Five of these producing cultures inoculated onto sausage failed to produce this toxin in up to 70 days of ripening. Several amino acids normally occurring in meat (cysteine, glutathione, arginine, histidine, and lysine) were found capable of readily reacti...
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