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Figure 3. Time course of pulmonary vascular resistance index PVRI ; in response to iloprost and sildenafil treatment. Values for PVRI are presented as the mean and SEM. Open squares represent pre-iloprost values, assessed in the morning after an overnight break of prostanoid inhalation. Closed squares represent PVRI values subsequent to iloprost inhalation. Data pairs pre- and post-inhalation ; were obtained after three months of inhaled iloprost therapy Ilo 3 months ; , after a mean interval of 18 4 months on clinical deterioration Pre-Sil ; , and after another three months of adjunct sildenafil therapy while leaving the iloprost regimen unchanged Sil-Ilo ; . Plus signs with vertical bars on either side demonstrate significant differences assessed by Wilcoxon test, two-sided p values given ; for the impact of adjunct sildenafil treatment.
After filtration through a low protein binding 0.2 xm filter, 200 JL\analysis Fig. 1 ; . The uptake in tumor xenografts located both in supernatant was applied on a Superdex 200 HR column coupled to the flank and in the hind leg apparently reached maximum an HPLC system, using 1 ml min 50 mM PBS as the eluent. values 2 days after the administration of 38S1. The radioactivity concentrations in liver and other normal tissues were lower than Fractions were collected 1 min fraction ; and measured for radio activity. Reference compounds were analyzed in the same system that in tumors from Day 1 and onwards. Except for muscle and 125I-activity in thyroid, normal tissue radioactivity decreased by UV-spectroscopy and radioactivity measurements, including unlabeled, 76Br-, 125I-labeled 38S1 UV 280 nm ; , iodo- and throughout the period, although at a relatively slower rate for bromotyrosine UV 254 nm ; , radioiodide and radiobromide, as 76Br activity. well as nonradioactive iodide and bromide UV 210 nm ; . At all times of analysis the average accumulation index of 76Br-activity in tumors was higher 14%-35% ; than that of I PET Imaging activity. However, this difference was also found, more pro At 25, 46 and 65 hr after administration of radiolabeled MAb nounced, in most normal tissues. On Day 4, the percentage by 38S1, the remaining rats were anesthetized and placed prone in the which the 76Br accumulation index exceeded that of 125Iranged gantry in a multicompartment holder enabling simultaneous exam from 27% in tumors up to 320% in stomach Table 2 ; . In ination of seven animals. After transmission scans attenuation iodide-suppressed thyroid, however, more 125Ithan 76Br accu correction ; and subtraction scans correction of transmission scans mulated throughout the period. This was also the case in urine for injected radioactivity ; , emission data were collected during samples, where the 125Iconcentrations during the first day were 45-60 min. In the transaxial images, radioactivity concentration about threefold higher than the 76Br concentrations. At later was measured in circular regions of interest ROIs ; over the tumors 1.0 cm2 ; and the liver 3.5 cm2 ; . After decay correction of these time points, the differences in urine were less significant. Apart from blood and 125I in thyroid, the highest nontumor concen measurements, the standard uptake value SUV ; , defined as ratrations on Day four were found in bladder and lungs, and the dioactivity ml ; injected radioactivity g body weight ; , was calcu lowest uptake in brain, for both 76Br and 125Iactivity. lated. With a tissue density of 1 g ml, the standard uptake value is equivalent to the accumulation index.
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Bacterial cultures. Carapaces from blue crabs collected in the Pamlico River and Core Sound, North Carolina Fig. l ; , were sampled bacteriologically by scraping a small area of shell with a 1 p1 disposable plastic loop. This sample was rubbed onto a small area of a plate having trypticase soy agar with 5 % defibrinated sheep blood. The sample was then spread on the plate using a sterile swab Mini-tip culturette, Marion Scientific ; . All samples of clinically normal shell were taken from the right dorsal carapace. Cultures were incubated at room temperature. Predominant colonies were picked, purified by restreaking 3 times, and identified using API identification systems Analytab Products, Plainview, NY, USA ; , as well as standard tube tests for confirmation of some reactions. All isolates were also tested for chitinase and lipase activity using standard procedures Colwell & Wiebe 1970, Cipriani et al. 1980.
Passages 37 were used for experiments. All drug treatments were performed in M199 containing 2.5% FBS. Under these serum conditions, VSMC continue to proliferate at a reduced rate and do not spontaneously differentiate 3 ; . Vehicle-treated cells were incubated with PBS for the maximum duration of the experimental treatment. VSMC were treated with various drugs as indicated in all the figure legends. Iloprost was purchased from Amersham Biosciences Pittsburgh, PA ; . 8-Bromo-cAMP 8-Br-cAMP ; and carbacyclin were purchased from Sigma-Aldrich St. Louis, MO ; . Cicaprost was a kind gift from Shering AG Berlin, Germany ; . Rapamycin and the cellpermeable myristoylated PKA inhibitor- 14 22 ; amide myrPKI ; were purchased from Calbiochem San Diego, CA ; . Determination of cAMP levels. At confluence, VSMC in 12-well plates were incubated with M199 containing 2.5% FBS for 18 h. Cells were washed twice with PBS plus 4 mmol l EDTA and 2 mmol l IBMX pH 7.4 ; and incubated at 20C for 10 min. Defined concentrations of prostacyclin analogs iloprost, cicaprost, or carbacyclin 10 pmol l to 10 mol l ; were added to the cells for 20 min. For the time-course experiment, cells were instead treated with 2.5 nmol l iloprost for the times indicated 1 min24 h ; . Cells were harvested and boiled for 3 min, followed by high-speed 10, 000 rpm ; centrifugation. cAMP production was determined using a radioreceptor competition assay Amersham Biosciences ; . In brief, [3H]cAMP was used in competition for a cAMP-binding protein against known concentrations of nonradiolabeled cAMP, followed by determination of the unknowns. The reaction proceeded for 2 h at 4C. Excess unbound cAMP was removed with charcoal. Samples were counted in 5 ml Liquiscint National Diagnostics ; . Results were analyzed using GraphPad Prism software. For the concentration response, a nonlinear, curve-fitting program GraphPad Prism ; was used, and the EC50 was determined. ANOVA posttest Newman-Keuls ; and Student's t-tests were used to determine statistically significant differences P 0.05 ; . Semiquantitative RT-PCR. After treatment with appropriate agonists, total RNA was isolated using the Qiagen RNeasy kit with DNase I Qiagen, Valencia, CA ; and quantitated in duplicate by spectrophotometry. RNA 0.51 g ; was reverse transcribed using MMLV RNase H reverse transcriptase and a blend of oligo dT ; and random hexamer primers iScript, Bio-Rad, Hercules, CA ; . Primers were designed to specifically amplify the human basic calponin gene transcript sense 5 -TAACCGAGGTCCTGCCTACG, antisense 5 TGTGGGTGGGCTCACTCAGC ; , the SM-MHC transcript sense 5 -CGCTGAATGACAACGTGACTTCC, antisense 5 -CCAGTTC.
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We discuss the effects of iloprost in patients with ctph, its mechanism of action, and its use as a potential pharmacological alternative to thromboendarterectomy.
SD. The non-linear regressions were calculated using the equation of Hill of the sigmoidal function of SigmaPlot software 8.0 ; , and the significance between different dose-response curves were calculated using the GraphPad Prism and indinavir.
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| Economic Disparities What is your candidate's policy solution to stimulate the American economy that will eliminate economic disparities and close the wealth gap between women and men? Chris Dodd believes that there is no doubt that in the 21st Century it is unacceptable that we are still discussing the issue of equality in the workplace between men and women. This is an area where there should be no discussion necessary pay equity should be guaranteed. As the father of two young daughters and as an American, Chris Dodd is a proud sponsor of the Paycheck Fairness Act, a bill to eliminate wage disparities in the workplace. As President, he will continue to fight for fair wage practices along gender and racial lines. Chris Dodd has a plan to create jobs for all Americans. Through his energy plan, a Dodd Administration would create jobs across the economic spectrum, from universities, to farms, to construction, to auto maintenance. Chris Dodd plans to enhance job creation through comprehensive training programs that will help women obtain employment anywhere they choose, and to get paid the same rate as their male counterparts. Does your candidate support Affirmative Action? Yes. A Dodd Administration would enthusiastically support all efforts that ensure that every American deserves a chance to go as far as their ability and effort will take them, regardless of their race, gender, ethnicity, or economic circumstances. He believes that providing equal educational opportunities to every American is critical to our democracy. Further, he agrees with the 2003 Supreme Court decision that upheld the principle that diversity is a compelling state interest with regard to higher education admissions. Health Disparities What is your candidate's health care platform to provide affordable health care to all Americans and full funding to address the elimination of health disparities that disproportionately affect Black women, such as HIV AIDS, obesity and other life threatening illnesses? The Dodd Health Care Plan calls for universal health insurance for all Americans. Chris Dodd would require all individuals to carry health insurance. If health insurance is not available through an individual's employer, they will be able to purchase insurance through a Health Care General Fund HCGF ; . The cost to an individual would be based on his or her fixed percentage above poverty. The Dodd Health Care Plan would extend Medicaid to adults who make 100 percent above the poverty line and to children whose family's income is up to 300 percent of the poverty line. The Dodd Health Care Plan also puts a premium on disease prevention by encouraging screenings, timely visits to the doctor and early treatments that keep chronic diseases like obesity and diabetes under control. Senator Dodd has an extensive record of supporting funding for disease prevention and elimination.
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GEOGRAPHICAL DESIGNATIONS RECOGNIZED BY THE INTELLECTUAL PROPERTY SYSTEM Terminology, Purpose and Legal Framework 193. Terminology and purpose. Indications of source are designations of the geographic place of origin of a product for example, `made in .' ; , whereas geographical indications are a sub-category of the former used with respect to products where the product originates in a territory, or region or locality within a territory, and where a given quality, other characteristic or reputation of that product is attributable to its geographic origin for example, `champagne' ; . 194. The policy basis underlying geographical indications and indications of source is fundamentally the same as the policy basis of trademarks, namely, the orderly functioning of the market through the avoidance of confusion and deception.149 Nonetheless, there is an important difference. Whereas a trademark links a particular manufacturer to a product for example, `Coca-Cola' ; , geographical indications and indications of source link a particular region or location with a class of product and their producers. 195. Legal framework. There exists an extensive body of intellectual property law at the global, regional and national levels governing geographical indications and indications of source. At the global level, the relevant multilateral treaties are the Paris Convention for the Protection of Industrial Property, to which 162 States are party, 150 the Madrid Agreement for the Repression of False or Deceptive Indications of Source on Goods, to which 31 States are party, 151 the Lisbon Agreement for the Protection of Appellations of Origin and their International Registration, to which 20 States are party, 152 and the Agreement on TradeRelated Aspects of Intellectual Property Rights of April 15, 1994 the TRIPS Agreement ; , to which 134 States are party.153 196. Some of the legal instruments at the regional level include, for the European Union, the Council Regulation on the Protection of Geographical Indications and Designations of Origin for Agricultural Products and Foodstuffs of July 14, 1992, and the Council Regulation on the Common Organisation of the Market in Wine of 17 May 1999. In the Americas, relevant agreements include the North American Free Trade Agreement signed on December 17, 1992, between Canada, the United States of America and Mexico; Decision 486 of September 14, 2000, of the Cartagena Agreement between Bolivia, Colombia, Ecuador, Peru and Venezuela and invirase.
Patient 1 was then administered long-term iloprost therapy 100 mcg daily in five aerosols ; , with sustained responsiveness observed over a 3-month period as measured by pulmonary artery pressure, pao2, and exhaled no her dyspnea on effort decreased, and the 6 minute walking test distance increased from 285 meters to 510 meters.
To the driver. However, the vehicle physical damage did not appear to be consistent with the established deployment criteria. The manufacturer's expert opined that, because the air bags were deployed, the crash magnitude had to be above the proper threshold, thus, assuming that the single point sensor was "infallible, " and that there was certainly no defect in the system. Because of this variance in observed versus assumed data, I was asked to investigate this matter. Notwithstanding assumptions of infallibility, there are conditions that can cause a single point sensing controller to misfire its associated air bags. Examples of these include: A. The faulty use of A D range shifting wherein, for certain program branches, an acceleration voltage translation done at a 10 bit resolution is actually evaluated at an 8 bit resolution, and the result of a faulty translation is that the acceleration digital value evaluated by the microcontroller algorithm is actually 2x or 4x the correct value. B. The accelerometer transducer can have various sensitivity modes volts G ; dependent on installation circuitry and on potential electrical artifacts short circuits - open circuits ; on the printed circuit board in the SRS ECU. Such sensitivity variations can range from null zero output ; to 2x the expected sensitivity. With such potential conditions, one cannot simply assume that the crash sensor is always infallible in its judgement of crash magnitude. In the subject accident, the Subject Vehicle SV ; , a 1994 Volvo 940, was entering a parking lot when it contacted the rear end of another vehicle 1990 Toyota Wagon ; . The air bags in the 1994 Volvo deployed and the driver was injured. After the accident the Toyota was driven away, and the Volvo was towed. The driver of the Volvo estimated that she was going 8-10 mph maximum. A photographic observation of the SV revealed no significantdiscernable impact damage. The driver of the 1990 Toyota stated that there was no structural damage to her vehicle, and this was confirmed by Toyota mechanics. Neither of the vehicles was available for inspection. The only evidentiary materials consisted of a Volvo investigation report, done at the time of the accident, which confirmed the following artifacts: A. Both left front LF ; and right front RF ; air bags deployed, and the seat belt pretensioners deployed all fired by a single firing criteria ; . There were SRS fault codes DTCs ; indicative of an air bag deployment. B. The knee bolster cover panel was kicked off as a result of the accident. C. The impact was frontal, distributed across the front bumper only. D. There was scuffing of the front bumper, and it was separated from its right side guide. E. The two front collision isolators stroked 24 mm each both LF and RF ; . F. structural damage to the Volvo was noted and iressa.
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18. Black CM, Hazkier-Sorensen L, Belch JJ, et al. Oral iloprost in Raynaud's phenomenon secondary to systemic sclerosis: a multicenter, placebo-controlled dose-comparison study. Br J Rheumatol. 1998; 37: 952-960. Wigley FM, Korn JN, Csuka ME, et al. Oral iloprost treatment in patients with Raynaud's phenomenon secondary to systemic sclerosis: a multicenter, placebocontrolled, double-blind study. Arthritis Rheum. 1998; 41: 670-677. Steigerwald JC. Chlorambucil in the treatment of progressive systemic sclerosis. In: Block CM, Myers AR, eds. Systemic Sclerosis Scleroderma ; . New York, NY: Gower Medical Publishing Ltd; 1985: 423-427. 21. Furst DE, Clements PJ, Hill S, et al. Immunosuppression with chlorambucil versus placebo for scleroderma: results of a three-year parallel, randomized, doubleblind study. Arthritis Rheum. 1989; 32: 584-593. van den Hoogen FH, Boerbooms AM, Swaak AJ, Rasker JJ, van Lier HJ, van de Putte LB. Comparison of methotrexate with placebo in the treatment of systemic sclerosis: a 24 week randomized double-blind trial, followed by a 24 week observational trial. Br J Rheumatol. 1996; 35: 364-372. Degiannis D, Seibold JR, Czarnecki M, Raskova J, Raska K. Soluble interleukin-2 receptors in patients with systemic sclerosis: clinical and laboratory correlation. Arthritis Rheum. 1990; 33: 375-380. Needelman BW, Wigley FM, Stair RW. Interleukin-1, interleukin-2, interleukin-4, interleukin-6, tumor necrosis factor and interferon- levels in sera from patients with scleroderma. Arthritis Rheum. 1992; 35: 67-72. Clements PJ, Lachenbruch PA, Sterz M, et al. Cyclosporine in systemic sclerosis. Arthritis Rheum. 1993; 36: 75-83. Rock AH, Freundlich B, Jegasothy BV, et al. Treatment of systemic sclerosis with extracorporeal photochemotherapy: results of a multicenter trial. Arch Dermatol. 1992; 128: 337-346. Enomoto DN, Mekkes JR, Bossyt PM, et al. Treatment of patients with systemic sclerosis with extracorporeal photochemotherapy photopheresis ; . J Acad Dermatol. 1999; 41: 915-922. Sinclair HD, Williams JD, Rahman MA. Clinical efficacy of antithymocyte globulin in systemic sclerosis: results of a placebo-controlled trial [abstract]. Arthritis Rheum. 1994; 36 suppl ; : s217. 29. Steen VD, Medsger TA Jr, Rodnan GP. D-penicillamine therapy in progressive systemic sclerosis scleroderma ; : a retrospective analysis. Ann Intern Med. 1982; 97: 652-659. Clements PJ, Furst DE, Wong WK, et al. High-dose versus low-dose D-penicillamine in early diffuse systemic sclerosis. Arthritis Rheum. 1999; 42: 1194-1203. Chetrit-Ben E, Levy M. Colchicine: 1998 update. Semin Arthritis Rheum. 1998; 28: 48-59. Alarcon-Segovia D, Ramos-Niembro F, Ibanez de Kasep G, Alocer J, PerezTamayo R. Long-term evaluation of colchicine in the treatment of scleroderma. J Rheumatol. 1979; 6: 705-712. Hunzelmann N, Anders S, Fierlberg G, et al. Systemic scleroderma: multicenter trial of 1 year of treatment with recombinant interferon gamma. Arch Dermatol. 1997; 133: 609-613. Polisson RP, Gilkeson GS, Pyun EH, Pisetsky DS, Smith EA, Simon LS. A multicenter trial of recombinant human interferon gamma in patients with systemic sclerosis: effects on cutaneous fibrosis and interleukin 2 receptor levels. J Rheumatol. 1996; 23: 654-658. Grassegger A, Schuler G, Hessenberger G, et al. Interferon-gamma in the treatment of systemic sclerosis: a randomized controlled multicentre trial. Br J Dermatol. 1998; 139: 639-648. Black CM, Silman AJ, Herrick AI, et al. Interferon-alpha does not improve outcome at one year in patients with diffuse cutaneous scleroderma: results from a randomized, double-blind, placebo-controlled trial. Arthritis Rheum. 1999; 42: 299-305. Unemori EN, Pickford LB, Salles AL, et al. Relaxin induces an extracellular matrixdegrading phenotype in human lung fibroblasts in vitro and inhibits lung fibrosis in a murine model in vivo. J Clin Invest. 1996; 98: 2739-2745. Seibold JR, Korn JH, Clements PJ, et al. Recombinant human relaxin in the treatment of scleroderma: a randomized, double-blind, placebo-controlled trial. Ann Intern Med. 2000; 132: 871-879. Whitman HH III, Case DB, Laragh JH, et al. Variable response to oral angiotensinconverting enzyme blockade in hypertensive scleroderma patients. Arthritis Rheum. 1982; 25: 241-248. Alpert MA, Pressly TA, Mukerji V, Lambert CR, Mukerji B. Short- and long-term hemodynamic effects of captopril in patients with pulmonary hypertension and selected connective tissue disease. Chest. 1992; 102: 1407-1412. Chang YJ, Spiera H. Renal transplantation in scleroderma. Medicine. 1999; 78: 382-385.
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We show that Iloprost blocks the fibrotic effect of TGF2 in vivo. We then assess the role of Ras MEK ERK in TGF2-driven fibrosis and show that activation of the Ras MEK ERK pathway is required for the SMAD-dependent induction of CTGF by TGF2. Finally, we provide data that suggest that the prostacyclin derivative Iloprost acts to suppress TGF2induced fibrosis, at least in part, by suppressing the Ras MEK ERK cascade, in a PKAdependent fashion. Collectively, our results help elucidate the signaling crosstalk that controls the initiation and suppression of the fibrotic phenotype. MATERIALS AND METHODS Cell culture, transfections, Western blot analysis, and DNA constructs Human dermal and mouse NIH 3T3 fibroblasts were cultured and transfected as previously described 9, 10 ; . Compounds used--8Br-cAMP Sigma, St. Louis, MO ; , U0126 Promega, Madison, WI ; , Rp-8Br cAMPS Calbiochem, San Diego, CA ; --were added 2 h before the addition of Iloprost Schering, Berlin, Germany ; and or TGF2 R&D Systems, Minneapolis, MN, or Celtrix, Richmond, VA ; . TGF1 and TGF2 are approximately equal in potency regarding their ability to induce CTGF promoter activity in fibroblasts Susan Sa and A.L., unpublished data ; . Expression vector 1 g ; encoding dominant negative Ras N17; Upstate Biotechnology, Lake Placid, NY ; or empty expression vector were transfected in each well of a six-well plate along with CTGF promoter SEAP reporter expression vector FL-CTGF SEAP, 0.5 g ; and CMV-- galactosidase gal 0.25 g; Clontech, Palo Alto, CA ; as an internal transfection control. SMAD3 and 4 expression vectors 0.5 g each ; were from Joan Massague. In experiments where the effect of dominant-negative Ras on SMAD3 4-dependent gene activation was assessed, 0.5 g of each expression vector was used. Promoter assays were performed and standardized to -galactosidase as previously described Tropix, Applied Biosystems, Foster City, CA ; . Values shown are average SE ; of at least three trials. PKA assay was preformed according to a kit as described by the manufacturer R&D Systems ; . For Western blot analysis, anti-phospho-ERK New England Biolabs, Beverly, MA ; and anti-ERK Upstate Biotechnology ; antibodies were used as described by the manufacturer, and anti-CTGF antibody was used as previously described 8 ; . Anti-phosphoSMAD2 3 antibody was from Santa Cruz Biotechnology Santa Cruz, CA ; . CTGF ELISA was used as previously described 22 ; . Fibroblast culture Human skin fibroblast cultures were established by an explant technique, using skin biopsies taken from the forearm of healthy volunteers and from the lesional skin of patients with diffuse scleroderma. Fibroblasts were grown to confluence in Dulbecco's modified Eagle's medium DMEM ; , with 10% fetal calf serum FCS ; with additional penicillin and streptomycin at 37C in 5% CO2. Wound chamber study The wound chamber model of TGF-induced fibrosis 30, 31 ; was used as follows. Two cylindrical mesh chambers were implanted into the backs of a male Sprague Dawley rat 350 375 g; Charles River Laboratories [Wilmington, MA] ; , after subjecting animals to isoflurane anesthesia. Rats were housed and fed according to National Institutes of Health NIH ; Guide and and irinotecan.
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