نتایج جستجو برای: ovalbumin
تعداد نتایج: 5064 فیلتر نتایج به سال:
Mice immunized with heat shock proteins (hsps) isolated from mouse tumor cells (donor cells) produce CD8 cytotoxic T lymphocytes (CTL) that recognize donor cell peptides in association with the major histocompatibility complex (MHC) class I proteins of the responding mouse. The CTL are induced apparently because peptides noncovalently associated with the isolated hsp molecules can enter the MHC...
1. The structure of the carbohydrate component of the glycopeptide isolated from the proteolytic digest of ovalbumin has been investigated by chemical and enzymic methods. 2. The results are consistent with the presence of a single carbohydrate prosthetic group, linked through its reducing end group to the peptide chain. 3. Further, all the 2-amino-2-deoxy-D-glucose units appear to be in the N-...
Various opinions have been presented on the merits and demerits that breastfeeding gives for the allergic onset of the babies. In this report, we focused on whether food proteins eaten by mother mice and secreted into breast milk as IgA-immune complexes contribute to the allergy prevention through oral tolerance in infants who ingest the milk. BALB/c mice were divided into two groups; E-group f...
The COUP (chicken ovalbumin upstream promoter) transcription factor binds to the upstream promoters of both the chicken ovalbumin and the rat insulin II genes, even though the two binding sites have no obvious sequence similarity (Hwung, Y.-P., Crowe, D. T., Wang, L.-H., Tsai, S. Y., and Tsai, M.-J. (1988) Mol. Cell. Biol. 8, 2070-2077). Comparison of the contact points and important nucleotide...
The entire chicken ovalbumin gene, accompanied by genomic DNA sequences flanking both termini of the gene and three copies of the herpes simplex virus thymidine kinase gene, has been cloned in plasmid pBR322. This recombinant plasmid was linearized and used to transform thymidine kinase-deficient mouse cells. Thymidine kinase-positive transformants were selected by their ability to grow in the ...
1. We have previously observed that manipulation of Na+ availability during passive in vitro sensitization altered electrophysiological and contractile changes of airway smooth muscle cells. The purpose of this study was to establish whether interference with Na+ influx during sensitization also influences the response of airway smooth muscle, both in vivo and in vitro, to a specific antigen ch...
Agastachis Herba is one of the well-known medicinal herbs in Korean traditional medicine. This study was taken up to examine the beneficial effects of Agastachis Herba on a mice model of asthma. BALB/c mice were sensitized and challenged with ovalbumin to produce a murine model of asthma. Methanol extracts of Agastachis Herba were orally administered to the ovalbumin-induced asthmatic mice. The...
Synthesis of ovalbumin mRNA is induced and maintained in the avian oviduct by estrogen. When estrogen is rapidly removed from circulation, there is a general involution of the oviduct and an unusually rapid decay of ovalbumin mRNA activity. The kinetics of ovalbumin mRNA decay were not first order; instead, the rate of degradation increased about 10-fold over a 20-hr period after removal of est...
We used somatic cell nuclear transfer (SCNT) to generate a mouse from the nucleus of an IgG1(+) ovalbumin-specific B cell. The resulting OBI mice show generally normal B-cell development, with elevated percentages of marginal zone B cells and a reduction in B-1 B cells. Whereas OBI RAG1(-/-) mice have exclusively IgG1 anti-ovalbumin in their serum, OBI mice show elevated levels of anti-ovalbumi...
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