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Papaverine is sometimes used as a vasodilator in cardiac patients.
Initiatives such as Projekt Ruhr and ZENIT, not for profit public private companies ; demonstrate structures to achieve long term political aims under commercial discipline. Fully commercial consultants such as i-con and inno undertake contractually to convert policy on innovation and entrepreneurship into action. There is support for "regional technology policy" as a bottom up process aiming to increase innovation and entrepreneurship. A stage between research and start-up to assist entrepreneurs in academic establishments such as "Junge Innovatorren" is effective. Competitions with prizes offer incentives for Silvia Besse Consultant, ZENIT GmbH Dohne 54 D-454698 Mulheim an der Ruhr GERMANY E-mail: be zenit Phone: + 49 208 3 00 04 Fax: + 49 2 zenit entrepreneurship. Much is expected of innovation centre managers but the requisite competences and remuneration are ill defined. Peter Wolfmeyer ZENIT GmbH Dohne 54 D-454698 Mulheim an der Ruhr GERMANY E-mail: wo zenit Phone: + 49 2 Fax: + 49 2 zenit.
Estimates of the phenotypic correlations for performance test traits and traits measured at the start of the mating period are given in Table 6. Phenotypic correlations between average daily gain on test and live weight at the start of the mating period and also between backfat depth at the end of test and backfat depth at the start of the mating period were of a similar order of magnitude and significantly different from zero. The phenotypic correlation between average daily gain and backfat at the end of test was significantly lower than the correlation between live weight and backfat depth measured at the start of the mating period. Coheritabilities were of similar magnitude to the corresponding phenotypic correlations, except for the coheritability between average daily gain and backfat at the end of performance test. Coheritabilities for litter size and litter weight at birth with average daily gain and backfat depth at the end of test were not significantly different from zero. However, for live weight and backfat depth measured at the start of the mating period, the coheritabilities wit11 litter size and weight at birth were similar and significantly different from zero. Estimated heritabilities for litter size and weight at birth were 0.12 s.e. 0.06 ; and 0.16 s.e. 0.11 ; . The genetic parameter estimates were based on a relatively small data set of selected females only, such that standard errors of the parameters estimates were equal to 0.1. If the breeding values for litter size and weight at birth were predicted using
Anti-Miillerian hormone AMH ; , also called Miillerian inhibiting substance or factor, is produced by Sertoli cells from fetal life until puberty. In the present study, AMH, testosterone T ; , LH, and FSH were measured by immunochemical methods in the serum of 50 boys with normal or delayed pubertal development, 4 patients with suspected androgen insensitivity, and 11 patients with either central CPP ; or gonadotropin-independent GIPP ; precocious puberty to investigate the hormonal regulatory mechanisms of AMH secretion at puberty. An inverse relationship between AMH and T levels was demonstrated. In boys with normal or delayed puberty with T concentrations below 6.7 nmol L, AMH values were elevated mean + SEM, 22.4 k 3.1 pg L ; and widely dispersed. In subjects with T levels over 6.7 nmol L, AMH levels were uniformly low 3.4 f 0.5 pg L ; , except in patients with suspected androgen insensitivity. No significant relationship was found between AMH and gonadotropin levels. Similar results were obtained in patients with either CPP or GIPP. Longitudinal studies --. were performed on four boys with CPP and two with GIPP before and after treatment. At the time of diagnosis, the T concentration was high, and AMH levels were usually low in CPP and GIPP patients alike. When appropriate treatment was initiated, the T concentration was normalized within 2-4 weeks, but restoration of prepubertal AMH levels required several months. Mature Sertoli cells were observed in testicular biopsies performed in three patients with untreated GIPP. Our results suggest that gonadotropins are not directly implicated in repression of AMH synthesis at puberty, but, rather, that the decrease in AMH production is the consequence of an androgen-mediated, long term, reversible chain of events leading to morphological and functional maturation of the Sertoli cells. Thus, the fall in serum AMH levels appears to be an excellent marker of Sertoli cell pubertal development. J Clin Endocrinol Metub 77: 1220-1226, 1993.
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Procedures for Developing Remuneration Policies The Remuneration Committee "RC" ; comprises three members, of whom two, including the chairman of the RC, are independent Directors. The RC has access to the Group Human Resource Department when advice is needed. The principal responsibilities of the RC are : to recommend to the Board a framework of remuneration for the Directors and key executives; to determine the remuneration packages for the CEO and the Executive Director; and to administer the Company's share option schemes. Level and Mix of Remuneration The Group adopts a remuneration policy reflective of market conditions comprising a fixed component and a performance-related variable component. None of the non-executive Directors are on service contracts or have consultancies with the Company. Only non-executive Directors, including the Chairman of the Board, are paid directors' fees which comprise basic fees and additional fees for serving on Board committees. Payment of these fees is subject to shareholders' approval. None of the non-executive Directors has been granted share options although the Company's scheme allow for such grants. The remuneration packages of the CEO and the Executive Director include a variable bonus element which is performance-related while only the Executive Director is granted share options.
Opium, from which morphine, heroin, codeine, and papaverine are derived, comes from the milky fluid in the unripe seed capsule of the opium poppy and parnate.
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He earth's oceans and seas cover 71% of the planet and contain much of the earth's biological diversity in its many biomes. Therefore the oceans and coasts are important for the existence of life on earth, providing resources and services to human society. Approximately 75-80% of world trade six trillion dollars annually ; and 60% of the tourism industry three trillion dollars annually ; is ocean dependent. More than 50 % of the world population currently resides in a coastal strip extendtng 60 km from the shoreline. By the year 2020, it is estimated that the coastal population will `be 75 % of the total. The conditions of the ocean environment, its resources, biodiverslty and the livelihood of coastal communities and economies of maritime developing states are rapidly declining at an unprecedented rate. Despite more than ten years of and paromomycin.
Coupling in rabbit aorta studied by the lanthanum method for measuring cellular calcium influx. Circulation Res. 30, 30-54. WHIPPLE, G. H. 1977 ; . Papaverine as an antiarrhythmic agent. Angiology 28, 737-749.
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Cule expression, activation of calcium influx and stimulation of the secretion of interleukin IL ; -1 and -6 13, 27 ; . MCP-1 has been shown to play a role in myocardial injury observed during ANG II- and nitro-L-arginine methyl ester L-NAME ; -induced hypertension 14, 19 ; . In addition, MCP-1 has been associated with the progression and severity of heart failure in rats 3 ; and humans 15 ; . The present study demonstrated that aldosterone salt treatment induced a progressive increase in MCP-1 expression in the heart. Similar to COX-2, this upregulation preceded the establishment of vascular injury. Thus MCP-1 stimulation represents another potential mechanism for the deleterious effects of aldosterone that deserves further investigation. In addition to MCP-1, aldosterone salt treatment induced the progressive upregulation of osteopontin expression in medial cells of coronary arteries. Osteopontin is an acidic, calcium-binding, phosphorylated protein found in the extracellular matrix of mineralized tissues or as a circulating cytokine 7 ; . Its expression can be induced by multiple stimuli, including ANG II, endothelin, growth factors, and other cytokines 7 ; . Interestingly, the osteopontin promoter contains a hormone response element that can be modulated by adrenal steroids 31 ; , although it is unknown whether aldosterone can directly induce osteopontin expression. Osteopontin mediates type 1 immunity through mechanisms that involve stimulation of IL-12 in macrophages 2 ; and in T cells 20 ; and has been shown to stimulate migration and proliferation of vascular smooth muscle cells 9, 17 ; . On the basis of our results and the known biological functions of osteopontin, we hypothesize that osteopontin plays a role in aldosterone salt-induced vascular pathology through and pbz.
Lewis RW, R Witherington, External vacuum therapy for erectile dysfunction: use and results. World J Urol 1997; 15: 78-8. Levine LA, RJ Dimitriou, Vacuum constriction and external erection devices in erectile dysfunction. Urol Clin North 001; 8: 335-341, ix-x. Dutta TC, JF Eid, Vacuum constriction devices for erectile dysfunction: a long-term, prospective study of patients with mild, moderate, and severe dysfunction. Urology 1999; 54: 891-893. Baltaci S, Aydos, A osar, Anafarta, Treating erectile dysfunction with a vacuum tumescence device: a retrospective analysis of acceptance and satisfaction. Br J Urol 1995; 76: 757-760. Leungwattanakij S, V Flynn, Jr., WJ Hellstrom, Intracavernosal injection and intraurethral therapy for erectile dysfunction. Urol Clin North 001; 8: 343-354. Lakin MM, D Montague, S VanderBrug Medendorp, L Tesar, LR Schover, Intracavernous injection therapy: analysis of results and complications. J Urol 1990; 143: 1138-1141. orst H, The rationale for prostaglandin E1 in erectile failure: a survey of worldwide experience. J Urol 1996; 155: 80-815. Berger R, Billups, G Brock, GA Broderick, CB Dhabuwala, I Goldstein, LS Hakim, W Hellstrom, S Honig, LA Levine, T Lue, R Munarriz, D Montague, JJ Mulcahy, A Nehra, ZR Rogers, R Rosen, AD Seftel, R Shabsigh, W Steers, Report of the American Foundation for Urologic Disease AFUD ; Thought Leader anel for evaluation and treatment of priapism. Int J Impot Res 001; 13 Suppl 5: S39-43. Mulhall J, AE Jahoda, M Cairney, B Goldstein, R Leitzes, J Woods, T ayton, RJ rane, I Goldstein, The causes of patient dropout from penile self-injection therapy for impotence. J Urol 1999; 16: 191-194. Bennett AH, AJ Carpenter, JH Barada, An improved vasoactive drug combination for a pharmacological erection program. J Urol 1991; 146: 1564-1565. Bechara A, A Casabe, G Cheliz, S Romano, H Rey, N Fredotovich, Comparative study of papaverine plus phentolamine versus prostaglandin E1 in erectile dysfunction. J Urol 1997; 157: 13-134. Gerstenberg TC, Metz, B Ottesen, J Fahrenkrug, Intracavernous self-injection with vasoactive intestinal polypeptide and phentolamine in the management of erectile failure. J Urol 199; 147: 177-179. Sandhu D, E Curless, J Dean, G Hackett, S Liu, D Savage, R Oakes, G Frentz, A double blind, placebo controlled study of intracavernosal vasoactive intestinal polypeptide and phenotolamine mesylate in a novel auto-injector for the treatment of non-psychogenic erectile dysfunction. Int J Impot Res 1999; 11: 91-97. Shah JR, Dinsmore W, Oakes RA, Hackett G. Injection therapy for the treatment of erectile dysfunction: a comparison between alprostadil and a combination of vasoactive intestinal polypeptide and phentolamine mesilate. Curr Med Res Opin, In press. American Urological Association, Guideline on the management of priapism. 003. Lue TF, WJ Hellstrom, JW McAninch, EA Tanagho, riapism: a refined approach to diagnosis and treatment. J Urol 1986; 136: 104-108. adma-Nathan H, WJ Hellstrom, FE aiser, RF Labasky, TF Lue, WE Nolten, C Norwood, CA eterson, R Shabsigh, Y Tam, Treatment of men with erectile dysfunction with transurethral alprostadil. Medicated Urethral System for Erection MUSE ; Study Group. N Engl J Med 1997; 336: 1-7. Guay AT, JB erez, E Velasquez, RA Newton, J Jacobson, Clinical experience with intraurethral alprostadil MUSE ; in the treatment of men with erectile dysfunction. A retrospective study. Medicated urethral system for erection. Eur Urol 000; 38: 671-676. Fulgham F, JS Cochran, JL Denman, BA Feagins, MB Gross, T adesky, MC adesky, AR Clark, CG Roehrborn, Disappointing initial results with transurethral alprostadil for erectile dysfunction in a urology practice setting. J Urol 1998; 160: 041-046. Mulhall J, AE Jahoda, A Ahmed, M arker, Analysis of the consistency of intraurethral prostaglandin E 1 ; MUSE ; during at-home use. Urology 001; 58: 6-66. Wilson S, MA Cleves, JR Delk, nd, Comparison of mechanical reliability of original and enhanced Mentor Alpha I penile prosthesis. J Urol 1999; 16: 715-718. Goldstein I, L Newman, N Baum, M Brooks, L Chaikin, Goldberg, A McBride, RJ rane, Safety and efficacy outcome of mentor alpha-1 inflatable penile prosthesis implantation for impotence treatment. J Urol 1997; 157: 833-839. Heaton J, Apomorphine: an update of clinical trial results. Int J Impot Res 000; 1 Suppl 4: S67-73. Buvat J, F Montorsi, Safety and tolerability of apomorphine SL in patients with erectile dysfunction. BJU Int 001; 88 Suppl 3: 30-35. Martinez R, A uigvert, JM omerol, R Rodriguez-Villalba, Clinical experience with apomorphine hydrochloride: the first 107 patients. J Urol 003; 170: 35-355.
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Neurotransmitters. Serotonin syndrome and hypertension are possible adverse effects caused by pharmacodynamic interactions with mirtazapine.40 Mirtazapine can decrease the effectiveness of antihypertensives, especially clonidine. Clonidine lowers blood pressure by acting as a central -2 receptor agonist, the opposite mechanism of mirtazapine. One case report has documented the occurrence of hypertensive urgency for a patient controlled with clonidine when mirtazapine was added.58 Patients taking mirtazapine should try to avoid other sedating medications and and pediatric.
Compared with nonmalignant cells.178, 179 Several factors probably contribute to such selectivity, but the exact mechanisms are not fully understood. The proteasome inhibitor is also very effective in inducing cell cycle arrest and apoptosis in different types of cancer cells. This is derived from its ability to affect many pathways involved in promotion of tumorigenesis and apoptosis, resulting in decreased NF-kBdependent gene transcription, increased level of the tumor suppressor p53, accumulation of p21 and p27 with secondary induction of cell cycle arrest, accumulation of the proapoptotic protein BAX, and down-regulation of signaling through p44 42 MAPK.134 Small-molecule inhibitors or low-molecular-weight compounds will probably prove to be a useful class of therapeutic agents in.
Figure 6. Comparisons between the responses of the two groups of patients. Numbers in parentheses indicate the number of segments analyzed. All the segments were analyzed for the CPT; only dimensions of the proximal LAD were analyzed after papaverine injection. See legend to Fig 2 for abbreviations and pegasys
Conclusions Pulmonary hypertension is a complication of sickle cell disease and thalassemia that is frequently underdiagnosed. Progressive dyspnea on exertion may be misattributed to chronic anemia. Even mild pulmonary hypertension is poorly tolerated in SCD, is associated with early mortality. Pulmonary hypertension, leg ulceration and priapism are epidemiologically associated, reflecting a new subphenotype of SCD with a common pathophysiological mechanism. Although the etiology is undoubtedly multifactorial, one large component, marked by elevated steady state serum LDH levels, involves impaired NO bioavailability, mainly due to scavenging of NO by cell-free plasma hemoglobin. Important new directions in SCD and thalassemia will include improved screening for PAH and larger scale clinical trials of therapeutic agents for PAH and associated vasculopathy. Acknowledgements The authors are supported by intramural funds from the National Institutes of Health. M.T.G. also holds a cooperative research and development agreement with INO Therapeutics.
Overwhelming majority of emboli lodge in the superior mesenteric artery SMA ; . Emboli originating in the left atrium or ventricle are the most common cause of SMA embolism. 2. Risk factors include advanced age, coronary artery disease, cardiac valvular disease, history of dysrhythmias, atrial fibrillation, post myocardial infarction mural thrombi, history of thromboembolic events, aortic surgery, aortography, coronary angiography, and aortic dissection. A previous history of peripheral emboli is present in 20%. 3. The disorder usually presents as sudden onset of severe poorly localized periumbilical pain, associated with nausea, vomiting, and frequent bowel movements.Pain is usually out of propor tion to the physical findings and may be the only presenting symptom. 4. The abdomen may be soft with only mild tenderness. Absent bowel sounds, abdominal distension or guarding are indicative of severe disease. 5. Blood in the rectum is present in 16% of patients, and occult blood is present in 25% of patients. Peritoneal signs develop when the ischemic process becomes transmural. B. Mesenteric arterial thrombosis 1. Thrombosis usually occurs in the area of atherosclerotic narrowing in the proximal SMA. The proximal jejunum through the distal transverse colon becomes ischemic. 2. SMA thrombosis usually occurs in patients with chronic, severe, visceral atherosclerosis. A history of abdominal pain after meals is present in 20-50% of patients.Patients are often elderly, with coronary artery disease, severe peripheral vascular disease, or hypertension. 3. SMA thrombosis presents with gradual onset of abdominal pain and distension. A history of postprandial abdominal pain and weight loss is present in half of cases. Pain is usually out of proportion to the physical findings, and nausea and vomiting are common. 4. Signs of peripheral vascular disease, such as carotid, femoral or abdominal bruits, or decreased peripheral pulses are frequent. Abdominal distension, absent bowel sounds, guarding, rebound and localized tenderness, and rigidity indicate advanced bowel necrosis. II. Diagnostic evaluation of acute mesenteric ischemia A. Leukocyte count is elevated in most cases of mesenteric ischemia. In patients with SMA emboli, 42% have a metabolic acidosis. The serum amylase is elevated in half of patients. B. Plain radiography. Abdominal and chest x-rays help to exclude the presence of free air or bowel obstruction. In rare instances, plain films of the abdomen reveal signs of ischemic bowel such as pneumatosis intestinalis, portal venous gas, or a thickened bowel wall with thumbprinting. However, plain films will be normal in the majority of cases. C. Angiography is the gold standard for the diagnosis of AMI and is also used for therapeutic infusion of the vasodilator, papaverine. After obtaining plain abdominal films to rule out the presence of free air or obstruction, angiography must be obtained, especially in those patients in whom there is a strong clinical suspicion for AMI. III. Emergency management A. Stabilization and initial management 1. Patients with significant hypotension require rapid fluid resuscitation, and vasopressors may be used. 2. If hemoglobin is low, blood should be given. Patients who appear acutely ill should receive parenteral antibiotics to cover for gram-negative enteric bacteria as well as anaerobes after blood cultures are drawn. B. Papaverine 1. Intraarterial infusion of papaverine into the superior mesenteric artery will increase mesenteric perfusion by relieving mesenteric vasoconstriction. 2. Papaverine is started at angiography and continued postoperatively if laparotomy is performed. The dosing is 60 mg IV bolus, followed by a 30-60 mg h continuous infusion at a concentration of 1 mg mL. Papaverine improves survival by 20-50%. C. Acute mesenteric infarction with embolism 1. Once embolism is confirmed at angiography, papaverine infusion is started, then laparotomy should be performed to evaluate bowel viability. Surgical intervention may involve arteriotomy and pegfilgrastim.
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Correspondence to dr donald heistad, department of internal medicine, university of iowa college of medicine, iowa city, ia 52242-108 article outline abstract selected abbreviations and acronyms materials and methods experimental model of sah vascular responses drugs statistical analysis results responses to aprikalim responses to papaverine discussion effect of sah on cerebral dilatation hypertension and sah diameter of basilar artery after sah acknowledgments references citing articles figures tables figure 1 figure 2 abstract top background and purpose: cerebral vasodilatation in response to aprikalim, an opener of atp-sensitive k sup + channels, is selectively augmented after subarachnoid hemorrhage sah and pegvisomant.
This work was supported in part by Grants from the Ministry of Education, Science, and Culture of Japan; the Ministry of Health and Welfare of Japan; the Developmental and Creative Studies from Osaka Prefectural Government; and by United States Public Health Service Grants CA44353, ES00267, ES06071, and ES06052. 1 Abbreviations used are: P450 or CYP, cytochrome P450; b5, cytochrome b5; IgG, immunoglobulin G; HEPES, N- 2-hydroxyethyl ; piperazine-N - 2-ethanesulfonate ; . Send reprint requests to: Dr. T. Shimada, Osaka Prefectural Institute of Public Health, 369 Nakamichi 1-chome, Higashinari-ku, Osaka 537, Japan.
The BIOPHEN line 2 ; of reagents is a line of chromogenic assays, which includes calibrators and controls all CE marked ; , and generic chromogenic substrates, specific for Haemostasis enzymes. Chromogenic assays are designed with well characterized enzymes and highly purified biochemical's, both offering high specificity and activity, and directly prepared by HYPHEN BioMed. Those assays are for testing anti-thrombotic drugs, such as heparins and their analogues, or anticoagulant proteins, such as anti-thrombin AT ; or Protein C PC ; , and are CE marked. Reagents offer a prolonged stability following reconstitution. HYPHEN BioMed also offers chromogenic assays for research use only. They are fully optimized. These specific chromogenic assays are useful for measuring coagulation factors or inhibitors, and can be adapted to automatic instruments. Instrument applications are available upon request. These methods can be used for testing purified factors in plasma or for concentrates. Calibrators and controls, established against NIBSC International Standards, when available, are proposed separately. 2 and pemetrexed.
Fig. 5. Thrombin concentration-response characteristics of isolated bovine small arteries precontracted with 10~5 M PGF2a. Responses represent average of eight vessels and vertical bars show SEM where this exceeds the size of the symbol. Vessel responses have been normalized regarding the active vessel wall tension just prior to addition of thefirstconcentration of thrombin to the organ bath. Insert: Bars show the relaxation induced by 10"5 M acetylcholine open bar ; , 10~4 M sodium nitroprusside horizontal lines ; , and 10~5 M papaverine vertical lines ; . Responses have been normalized to the active tension of the vessels induced by 10~5 M PGF2n. Vertical line on bars shows SEM. Effective lumen diameter was 226 10 fim and parnate.
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