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Topic: COX2

	PainOnline.com: COX2 Inhibitors Unlikely to Help Visceral CP
		COX2 Inhibitors Unlikely to Help Visceral CP Wow, it is so hard to get researchers to distinguish between the pains.
		Cyclo-oxygenase2 (COX2) is an enzyme that converts prostaglandin precursors to prostaglandins.
		Valdecoxib, a cyclooxygenase inhibitor (COX2 inhibitor) did not help the centrally sensitized, so it is unlikely to be of help to those with CP visceral pain.
	www.painonline.com /mt-archives/2005/08/cox2_inhibitors.html (1141 words)

	Pharmacy Pearl 18 April 2001
		In an elderly patient, a COX2 agent MAY(?) be a reasonable choice because of a presumed decrease in GI toxicity.
		COX2 agents do reduce GI erosions but these reductions don't always translate into a decrease in clinical ulcers or GI bleeds.
		Aspirin is recommended in patients on COX2 agents who need aspirin for it's anti-platelet effects since COX2 agents have little or no platelet effects.
	www.af-pharmacists.org /safp/pearls/pearl18apr01.htm (562 words)

	Intracellular gene transfer in action: Dual transcription and multiple silencings of nuclear and mitochondrial cox2 ... (Site not responding. Last check: 2007-10-11)
		Shown are hybridizations of mt cox2 and cox1 probes from soybean to 41 of 392 legume DNAs examined.
		The abundance of mt cox2 transcripts was assayed by Northern blots.
		Nuclear cox2 transcripts in Eriosema, Atylosia, Ramirezella, Psoralea, and Otholobium were not assayed and are inferred from the partial to complete absence of mt cox2 in each plant.
	www.pnas.org /cgi/content/full/96/24/13863 (5330 words)

	Opposite effects of cyclooxygenase-1 and -2 activity on the pressor response to angiotensin II -- Qi et al. 110 (1): 61 ... (Site not responding. Last check: 2007-10-11)
		Interestingly, the COX1 and COX2 isoforms are differentially
		from the heterozygous COX1 or COX2 agouti mice (50% 129Ola/50%
		COX1 (1:200 dilution) or COX2 antibody (1:500 dilution).
	www.jci.org /cgi/content/full/110/1/61 (5427 words)

	Spatiotemporal Expression of Cyclooxygenase 1 and Cyclooxygenase 2 during Delayed Implantation and the Periimplantation ... (Site not responding. Last check: 2007-10-11)
		In situ hybridization of Cox1 (a, b) and Cox2 mRNA (c, d) in a 4-mm-diameter implantation chamber of the spotted skunk with mouse sense cRNA probes, illustrating the absence of hybridization signals.
		In situ hybridization of Cox2 mRNA in the uterus of the spotted skunk at various stages of pregnancy with a mouse antisense cRNA probe.
		Note the Cox2 mRNA accumulation in the luminal epithelium and upper segments of the uterine glands (i, j).
	www.biolreprod.org /cgi/content/full/60/4/893 (3603 words)

	ARS \| Publication request: A Cox2 Phylogenetic Hypothesis for the Downy Mildews and White Rusts (Site not responding. Last check: 2007-10-11)
		Nucleotide sequences of the cox2 gene were compared and analyzed using three phylogenetic methods: maximum parsimony, neighbor-joining, and maximum likelihood.
		Technical Abstract: Mitochondrially encoded cox2 sequences were used to infer evolutionary relationships of downy mildew and white rust taxa in a data set of 36 peronosporomycete isolates.
		Whereas all examined downy mildew cox2 amino acid sequences bore the signature indel LEF/Y characteristic of the subclass Peronosporomycetidae the three Albugo species did not.
	www.ars.usda.gov /research/publications/publications.htm?SEQ_NO_115=141467 (358 words)

	Cyclooxygenases (Cox-1, Cox-2, and Cox-3) Antibodies (PGHS-1&2; PHS-1&2; Prostaglandin-endoperoxide synthases ...
		COX2 isoform is inducible and rapidly upregulated at inflamation sites and forms proinflamatory prostanoids.
		The anti COX1 antibodies were produced in rabbits by immunizing them with ram seminal vesicles which has no cross reacitivity to COX2.
		The control of COX2 gene expression is regulated at the level of transcriptional and post-transcriptional mechanisms.
	www.4adi.com /flr/coxflr.html (653 words)

	Cyclooxygenase 2 is a key enzyme for inflammatory cytokine-induced angiogenesis -- KUWANO et al. 18 (2): 300 -- The ... (Site not responding. Last check: 2007-10-11)
		Effects of COX2 inhibitors on protein expression of COX1 and COX2 protein in KB3-1 and HUVECs were compared by Western blot analysis.
		Representative photographs of angiogenesis in corneas of wild-type and COX2 knockout mice a) wild-type mouse: IL-1ß (30 ng); b) COX2 knockout mouse: IL-1ß (30 ng); wild-type mouse: VEGF (200 ng); and d) COX2 knockout mouse: VEGF (200 ng).
		COX2 induced by IL-1ß catalyzes the process of arachidonic acid cascade in vascular endothelial cells.
	www.fasebj.org /cgi/content/full/18/2/300 (5157 words)

	Mitochondrial Translation of Saccharomyces cerevisiae COX2 mRNA Is Controlled by the Nucleotide Sequence Specifying the ... (Site not responding. Last check: 2007-10-11)
		Alleles and strains (for COX2 and for cox2::ARG8
		cox2, NB97 and NB54; cox2-41, NB177 and NB179; cox2-43, NB178 and NB181; cox2-43R1, NB178R1 and a diploid recombinant from the cross of NB178R1 × NB66.
		The COX2 panel was overexposed to reveal low levels of Cox2p in the cox2-43 mutant grown at 36°C. The leader peptide amino acid sequence appears to have a role in cytochrome oxidase assembly that is at least partially distinct from the translational role of the mRNA encoding it.
	mcb.asm.org /cgi/content/full/21/7/2359 (8623 words)

	Antagonistic signals within the COX2 mRNA coding sequence control its translation in Saccharomyces cerevisiae ... (Site not responding. Last check: 2007-10-11)
		COX2 codons 15–25 are sufficient to inhibit translation of the ARG8
		Translational inhibition by a single COX2 codon is apparently due to an artifactual secondary structure created by the deletion mutation.
		for alleles at the COX2 locus or by rescue of arginine prototrophy
	www.rnajournal.org /cgi/content/full/9/4/419 (6367 words)

	Publication Details - Iris C. Gibbs - Stanford University School of Medicine
		Cyclooxygenase 2 (COX2) is the inducible isozyme of COX, a key enzyme in arachidonate metabolism and the conversion of arachidonic acid (AA) to prostaglandins (PGs) and other eicosanoids.
		Previous studies have demonstrated that the COX2 protein is up-regulated in prostate cancer cells after irradiation and that this results in elevated levels of PGE(2).
		In the present study, we further investigated whether radiation-induced COX2 up-regulation is dependent on the redox status of cells from the prostate cancer cell line PC-3.
	www-med.stanford.edu /profiles/frdActionServlet?choiceId=showPublication&pubid=17315&fid=4041 (303 words)

	Distinct Roles for Cyclooxygenases 1 and 2 in Interleukin-1-Induced Behavioral Changes -- Swiergiel and Dunn 302 (3): ... (Site not responding. Last check: 2007-10-11)
		In the brain, COX2 is induced primarily in cerebral endothelial
		COX2 as the important isoform, a role for COX1 could not be excluded.
		COX2 is known to be induced primarily in the cerebral endothelia,
	jpet.aspetjournals.org /cgi/content/full/302/3/1031 (3760 words)

	Meloxicam by drdoc on-line
		Clearly, the COX2 to COX1 Ratio of Diclofenac is extremely favorable.
		Absolute values of COX2 to COX1 Ratios from different systems should not be directly compared - however, the rank order of COX selectivity for a range of compounds, seems to be broadly reproducible from system to another.
		It has come to my notice that the claim of COX2 selectivity has been challenged in various European Centers and that in Sweden, the claim of selectivity has been disputed and permission for registration as such has been questioned.
	www.arthritis.co.za /melox.htm (1670 words)

	Dehydration activates an NF-{kappa}B-driven, COX2-dependent survival mechanism in renal medullary interstitial cells -- ...
		COX expression is increased by water restriction (11, 12).
		COX2 mRNA expression in the renal medulla correlated
		COX2 mRNA was not detected over collecting ducts (Figure 3).
	www.jci.org /cgi/content/full/106/8/973 (5333 words)

	COX2 Inhibitor could offer benefits over other anti-inflammatory drugs for osteoarthritis (Site not responding. Last check: 2007-10-11)
		Results of an international multi-centre study in this week’s issue of THE LANCET (pp 639, 665, 675) suggest that the COX2 inhibitor lumiracoxib could be an effective treatment for osteoarthritis—its use was associated with an 80% reduction in gastric complications compared with other conventional anti-inflammatory drugs.
		The use of non-selective non-steroidal anti-inflammatory drugs (NSAIDs) is widespread to reduce the pain associated with osteoarthritis; however the sideeffects of these drugs can be severe, sometimes leading to gastro-intestinal ulcer complications which account for around 7000 US and 1000 UK deaths each year.
		The development of Cyclo-oxygenase 2 (COX2)-selective inhibitors should reduce these ulcer complications, but evidence is limited, and the possibility that COX2 inhibitors increase cardiovascular events has been raised.
	www.medicalnewstoday.com /medicalnews.php?newsid=12303 (702 words)

	Polyadenylation Occurs at Multiple Sites in Maize Mitochondrial cox2 mRNA and Is Independent of Editing Status -- ...
		(A) The cox2 exon 2 and downstream region of the maize mitochondrial genome.
		the cox2 transcripts that were amplified and sequenced.
		cox2 3' region was used to select clones for further evaluation.
	www.plantcell.org /cgi/content/full/11/8/1565 (6539 words)

	Inhibition of Cyclooxygenase-2 Activity Enhances Steroidogenesis and Steroidogenic Acute Regulatory Gene Expression in ...
		The cells were cultured for 30 min in serum-free Waymouth’s MB/752 medium with or without the COX2 inhibitor NS398 and then stimulated with Bt cAMP as indicated in the figure.
		MA-10 cells were cultured for 30 min in serum-free Waymouth’s MB/752 medium with the COX2 inhibitor NS398 or the PKA inhibitor H89 as indicated in the figure and then stimulated for 6 h with 0.05 m
		MA-10 cells were cultured for 30 min in serum-free Waymouth’s MB/752 medium containing the COX2 inhibitor NS398 or the PKA inhibitor H89 as indicated in the figure and then stimulated for 6 h with 0.05 m
	endo.endojournals.org /cgi/content/full/144/8/3368 (4942 words)

	Interactions among COX1, COX2, and COX3 mRNA-specific Translational Activator Proteins on the Inner Surface of the ...
		Interactions among COX1, COX2, and COX3 mRNA-specific Translational Activator Proteins on the Inner Surface of the Mitochondrial Inner Membrane of Saccharomyces cerevisiae -- Naithani et al.
		COX2, and COX3 mRNAs, and thereby facilitate assembly of the cytochrome
		Purified mitochondria containing the indicated epitope-tagged proteins were treated with the cross-linker 2 mM DTME at 25°C for 1 h, followed by solubilization with 0.5% Triton X-100 at 4°C for 30 min.
	www.molbiolcell.org /cgi/content/full/14/1/324 (6049 words)

	Cyclo-oxygenase-2-derived prostacyclin mediates embryo implantation in the mouse via PPARdelta -- Lim et al. 13 (12): ...
		COX1 and COX2 are expressed in both the endoplasmic reticular (ER) membrane and the nuclear envelope (Spencer et al.
		Expression of PGIS in the peri-implantation mouse uterus.
		increases in COX2 expression that are correlated with PGI
	www.genesdev.org /cgi/content/full/13/12/1561 (5283 words)

	Selective targeting of cyclooxygenase-2 reveals its role in renal medullary interstitial cell survival -- Hao et al. ...
		The role of COX2 in MIC survival was examined using a rabbit COX2 antisense adenoviral vector (AdrCOX2-AS).
		Both baseline and PMA-treated MIC COX2 expression in the presence or absence of an adenoviral vector encoding COX2 antisense sequence was determined.
		In conclusion, COX2 is the predominant isoform constitutively expressed in cultured renal MICs.
	ajprenal.physiology.org /cgi/content/full/277/3/F352 (4443 words)

	RT-PCR analysis of 5' to 3'-end-ligated mRNAs identifies the extremities of cox2 transcripts in pea mitochondria -- ...
		Location and orientation of the primers (bent arrows) used on the cox2 transcripts (dashed line) are indicated in a cartoon of the pea cox2 locus (upper part).
		A diagram of the pea cox2 genomic region and the respective DNA templates used for in vitro transcription analysis are shown in the left part.
		Re-examination of the cox2 gene encoded in pea mitochondria
	nar.oxfordjournals.org /cgi/content/full/30/2/439 (5060 words)

	Genomic context influences the activity of maize mitochondrial cox2 promoters -- Lupold et al. 96 (20): 11670 -- ...
		Genomic context influences the activity of maize mitochondrial cox2 promoters -- Lupold et al.
		for cox2 transcription after recombination across the direct repeats.
		B upstream of cox2 in maize seedlings and found a ratio of approximately
	www.pnas.org /cgi/content/abstract/96/20/11670 (407 words)

	Nature Clinical Practice Oncology \| COX2-related multicentric mixed-type Castleman's disease in a young man
		Chest X-ray showed minimal pleural effusion in both sides of the thoracic cavity, and ultrasound detected moderate ascites, several small lymph nodes in the retroperitoneum, and mild splenomegaly with widening of the splenic vein.
		A lymph node biopsy established the diagnosis, and cytokine analysis in the serum revealed COX2 as the possible mediator.
		Investigations Abdominal paracentesis, chest X-ray, abdominal ultrasound, thoracic and abdominal CT scans, gastroscopy, colonoscopy, biopsies of the liver, bone marrow and lymph nodes, immunophenotype staining for lymphocytes, cytokine analysis.
	www.nature.com /ncponc/journal/v2/n7/full/ncponc0219.html (304 words)

	Cancer Spectrum: Wiesner et al., pp. 635-639.
		Mice homozygous for a null cyclooxygenase 2 (COX2)
		COX2 locus by examining the number of transmissions of a given
		of colon neoplasia susceptibility to the COX2 locus in 74 sibling
	jncicancerspectrum.oxfordjournals.org /cgi/content/full/jnci;93/8/635 (3597 words)

	Human Mesothelioma Samples Overexpress Both Cyclooxygenase-2 (COX-2) and Inducible Nitric Oxide Synthase (NOS2): In ...
		COX2 and NOS2 expression in MM, control lung samples, reactive mesothelial hyperplasia, and in human mesothelial cell strains and human mesothelioma cell lines.
		A paraffin-embedded biphasic mesothelioma specimen as seen on HandE (A) was stained as described in "Materials and Methods" with anti-COX2 (B) and anti-NOS2 (C).
		(31, 32), as are COX1 and COX2 null mouse embryo fibroblasts
	cancerres.aacrjournals.org /cgi/content/full/60/14/3696 (3676 words)

	Evidence that Synthesis of the Saccharomyces cerevisiae Mitochondrially Encoded Ribosomal Protein Var1p May Be Membrane ...
		COX2 within the coding sequence (2), as well as an amino acid
		Mitochondrial translation of Saccharomyces cerevisiae COX2 mRNA is controlled by the nucleotide sequence specifying the pre-Cox2p leader peptide.
		Interactions among COX1, COX2, and COX3 mRNA-specific translational activator proteins on the inner surface of the mitochondrial inner membrane of Saccharomyces cerevisiae.
	ec.asm.org /cgi/content/full/2/3/651 (1727 words)

	American Journal of Botany, 85, 2, February, 1998 (Site not responding. Last check: 2007-10-11)
		All but the last 58 bp of the cox2 gene is contained within the repeat, resulting in the presence of two intact cox2 genes and two pseudogenes.
		An intact cox2 gene and a pseudogene are found on the master chromosome (218 kb).
		An intact cox2 gene is also found on the 135-kb subgenomic circle, while a pseudogene is found on the 83-kb subgenomic circle The turnip cox2 gene is unique because it lacks the first or 5' intron and contains the second or 3' intron previously found only in the carrot.
	www.botany.org /ajb/00029122_di002010.php (2558 words)

	Association of a common polymorphism in the cyclooxygenase 2 gene with risk of non-small cell lung cancer -- Campa et ...
		Two COX isoforms have been identified, COX1 and COX2.
		COX2 gene was associated with a significantly increased risk
		lung carcinoma are inhibited by COX2 inhibitors (43).
	carcin.oxfordjournals.org /cgi/content/full/25/2/229 (4284 words)

	Cyclooxygenase Alzheimers NSAIDs aspirin inhibits Cox2
		Neuroscientists at Louisiana State U.* have found that Cox2** enzyme in the body is involved in the causation of Alzheimer's Disease.
		If this is confirmed in further studies, it could lead to the use of aspirin and its knockoffs--ibuprofen, naproxen, Vioxx etc.--in its prevention and treatment.
		This is because NSAIDs, the aspirin group of drugs, inhibits Cox2.
	www.healthbulletin.org /live_longer/life10.htm (86 words)

	Alteration of a Novel Dispensable Mitochondrial Ribosomal Small-Subunit Protein, Rsm28p, Allows Translation of ...
		::URA3 genomic alleles and wild-type COX2, a cox2 deletion, or cox2-22 mitochondrial alleles were grown to mid-log phase in complete medium containing galactose (YPAGal), and protein and RNA were extracted (from separate cultures).
		(A) COX2 (NB80) and cox2-22 (NB64) strains were transformed with centromeric (CEN) or 2µm multicopy plasmids carrying RSM28 or RSM28-1, as indicated.
		COX2 and COX3 strains (bottom panels) were replica plated to nonfermentable medium [–U(EG)] and glucose medium, selecting for the plasmid marker (–U).
	ec.asm.org /cgi/content/full/4/2/337 (5526 words)

	FDA - VIOXX - COX2 - 'good-guy' prostaglandins - inflammatory response - Harvard
		Curcumin also reduces oxidative stress by acting as a powerhouse scavenger of free radical damage, as well as inducing appropriate cellular apoptosis (normal cell death), which prevents the inflammation associated with cellular necrosis.
		Unfortunately, the over-the-counter unselective COX2 enzyme inhibitors like Motrin, Advil, and Aleve also inhibit the COX1 enzyme, which plays a vital role in protecting the stomach lining and preventing gastric bleeds.
		BioTears should be recommended on a fixed schedule, not on a 'prn' (as needed) basis, which only guarantees the patient will experience pain.
	www.biosyntrx.com /Article.htm?ArticleID=215 (904 words)

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