نتایج جستجو برای: oligo
تعداد نتایج: 4869 فیلتر نتایج به سال:
Tubulointerstitial fibrosis is recognized as a key determinant of progressive chronic kidney disease (CKD). Fucoidan, a sulphated polysaccharide extracted from brown seaweed, exerts beneficial effects in some nephropathy models. The present study evaluated the inhibitory effect of oligo-fucoidan (800 Da) on renal tubulointerstitial fibrosis. We established a mouse CKD model by right nephrectomy...
CONTEXT Serum anti-Müllerian hormone (AMH) levels are significantly elevated in adolescents with polycystic ovary syndrome (PCOS) compared to normal controls. Whether adolescents with oligomenorrhea have elevated AMH levels is unknown. OBJECTIVE This study was performed to assess serum AMH levels in oligomenorrheic (OLIGO) girls without evidence of hyperandrogenism. DESIGN This was a prospe...
Antisense oligodeoxynucleotides (AS-oligos) targeted to the Na+/Ca2+exchanger (NCX) inhibit NCX-mediated Ca2+ influx in mesenteric artery (MA) myocytes [ Am. J. Physiol.269 ( Cell Physiol. 38): C1340-C1345, 1995]. Here, we show AS-oligo knockdown of NCX-mediated Ca2+ efflux. In initial experiments, the cytosolic free Ca2+ concentration ([Ca2+]cyt) was raised, and sarcoplasmic reticulum (SR) Ca2...
The gene encoding for an extremely thermostable oligo-1,6-glucosidase from Bacillus thermoglucosidasius KP1006 (DSM2542, obligate thermophile) was sequenced. The amino acid sequence deduced from the nucleotide sequence of the gene (1686 base pairs) corresponded to a protein of 562 amino acid residues with a Mr of 66,502. Its predicted amino acid composition, Mr, and N-terminal sequence of 12 re...
We have demonstrated the expression of the cystic fibrosis transmembrane conductance regulator (CFTR) gene, mRNA, and protein within the rat and human brains, in areas regulating sexual differentiation and function. We have found that GT1-7, a gonadotropin-releasing hormone (GnRH)-secreting hypothalamic neuronal cell line, expresses the CFTR gene, mRNA, and protein and cAMP-dependent 36Cl efflu...
CD studies of the deoxyoligomer series d(pT)(n) and d(pA)(n) show increasing CD maxima for oligo (dT)'s with chain length variation from two to seven, while oligo (dA)'s exhibit a decreasing CD maximum. Concentrated solutions of NaClO(4) cause a decrease in the CD of longer oligo (dT)'s towards the CD of d(pT)(2) which is different from oligo dA's. Probably base-sugar interactions are important...
BACKGROUND Experimental disruption of the telomere overhang induces a potent DNA damage response and is the target of newly emerging cancer therapeutics. Introduction of T-oligo, an eleven-base oligonucleotide homologous to the 3'-telomeric overhang, mimics telomere disruption and induces DNA damage responses through activation of p53, p73, p95/Nbs1, E2F1, pRb, and other DNA damage response pro...
The aim of this study was to examine whether the transcription factor ETS1 plays a critical role in the regulation of human decidualization. Decidual fibroblast cells were decidualized in vitro by treatment with medroxyprogesterone, estradiol (E(2)) and dibutyryl cyclic AMP or prostaglandin E(2) in the absence or presence of an ETS1 antisense oligonucleotide (oligo) that blocks the translation ...
Intradermal delivery of antisense oligonucleotides by the pulse depolarization iontophoretic system.
The intradermal delivery of an antisense oligonucleotide was examined by iontophoresis. In this experiment, the antisense sequence of [(32)P]-labeled phosphodiester oligonucleotide ([(32)P]D-oligo, 18-mer) hybridizing to mouse interleukin 10 (IL-10) mRNA was used as a model D-oligo. In in vitro iontophoretic experiments, isolated hairless mouse skin was used with a horizontal diffusion cell. Th...
Human B- or T-cell lymphoma lines and primary murine lymphomas were treated with DNA oligonucleotides homologous to the telomere (TTAGGG repeat; "T-oligo"), either alone or in combination with standard, widely-used anticancer chemotherapeutic agents. T-oligo induces cell cycle arrest and apoptosis in cultured human or murine B or T-lymphoma cell lines and primary tumor cells, but exerts no dete...
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