维普中文期刊产品整合服务
23篇 您的检索式:作者名="SeiwerthS"
    题名 作者 年代 出处 被引量
1Esophagogastric anastomosis in rats: Improved healing by BPC 157 and L-arginine, aggravated by L-NAME显示文摘AIM To cure typically life-threatening esophagogastric anastomosis in rats, lacking anastomosis healing and sphincter function rescue, in particular. METHODS Because we assume esophagogastric fistulas represent a particular NO-system disability, we attempt to identify the benefits of anti-ulcer stable gastric pentadecapeptide BPC 157, which was in trials for ulcerative colitis and currently for multiple sclerosis, in rats with esophagocutaneous fistulas. Previously, BPC 157 therapies have promoted the healing of intestinal anastomosis and fistulas, and esophagitis and gastric lesions, along with rescued sphincter function. Additionally, BPC 157 particularly interacts with the NOsystem. In the 4 d after esophagogastric anastomosis creation, rats received medication(/kg intraperitoneallyonce daily: BPC 157(10 μg, 10 ng), L-NAME(5 mg), or L-arginine(100 mg) alone and/or combined or BPC 157(10 μg, 10 ng) in drinking water). For rats underwent esophagogastric anastomosis, daily assessment included progressive stomach damage(sum of the longest diameters, mm), esophagitis(scored 0-5), weak anastomosis(m L H2 O before leak), low pressure in esophagus at anastomosis and in the pyloric sphincter(cm H2O), progressive weight loss(g) and mortality. Immediate effect assessed blood vessels disappearance(scored 0-5) at the stomach surface immediately after anastomosis creation. RESULTS BPC 157(all regimens) fully counteracted the perilous disease course from the very beginning(i.e., with the BPC 157 bath, blood vessels remained present at the gastric surface after anastomosis creation) and eliminated mortality. Additionally, BPC 157 treatment in combination with L-NAME nullified any effect of L-NAME that otherwise intensified the regular course. Consistently, with worsening(with L-NAME administration) and amelioration(with L-arginine), either L-arginine amelioration prevails(attenuated esophageal and gastric lesions) or they counteract each other(L-NAME + L-arginine); with the addition of BPC 157(L-NAME + L-arginine + BPC 157), there was a marked beneficial effect. BPC 157 treatment for esophagogastric anastomosis, along with NOS-blocker L-NAME and/or NOS substrate L-arginine, demonstrated an innate NO-system disability(as observed with L-arginine effectiveness). BPC 157 distinctively affected corresponding events: worsening(obtained with L-NAME administration that was counteracted); or amelioration(L-arginine + BPC 157-rats correspond to BPC 157-rats).CONCLUSION Innate NO-system disability for esophagogastric anastomoses, including L-NAME-worsening, suggests that these effects could be corrected by L-arginine and almost completely eliminated by BPC 157 therapy.Zeljko Djakovic Ivka Djakovic Vedran Cesarec Goran Madzarac Tomislav Becejac Goran Zukanovic Domagoj Drmic Lovorka Batelja Anita Zenko Sever Danijela Kolenc Alen Pajtak Nikica Knez Mladen Japjec Kresimir Luetic Dinko Stancic-Rokotov Sven Seiwerth Predrag Sikiric 2016World Journal of Gastroenterology2016,22,41:3
2Pentadecapeptide BPC 157 resolves suprahepatic occlusion of the inferior caval vein, Budd-Chiari syndrome model in ratsPentadecapeptide BPC 157 resolves suprahepatic occlusion of the inferior caval vein, Budd-Chiari syndrome model in rats显示文摘BACKGROUND Recently,as a possible therapy resolving solution,pentadecapeptide BPC 157 therapy,has been used in alleviating various vascular occlusion disturbances.BPC 157 was previously reviewed as novel mediator of Robert cytoprotection and endothelium protection in the stomach,and gut-brain axis,beneficial therapy in gastrointestinal tract,with particular reference to vascular recruitment,ulcerative colitis and tumor cachexia,and other tissues healing.Here we raised new hypothesis about BPC 157 therapy in the Budd-Chiari syndrome in rats,rapid bypassing of the suprahepatic inferior caval vein occlusion,and rats recovery with the active and effective pharmacotherapy treatment.AIM To investigate Budd-Chiari syndrome model(inferior caval vein suprahepatic occlusion)resolution,since BPC 157 resolves various rat vascular occlusion.METHODS We assessed the activated bypassing pathways between the inferior and superior caval veins and portocaval shunt,counteracted caval/portal hypertension,aortal hypotension,venous/arterial thrombosis,electrocardiogram disturbances,liver and gastrointestinal lesions(i.e.,stomach and duodenum hemorrhages,in particular,congestion).Rats with suprahepatic occlusion of the inferior vena cava by ligation were medicated at 1 min,15 min,24 h,or 48 h post-ligation.Medication consisted of 10μg/kg BPC 157,10 ng BPC 157 or 5 m L/kg saline,administered once as an abdominal bath or intragastric application.Gross and microscopic observations were made,in addition to assessments of electrical activity of the heart(electrocardiogram),portal and caval hypertension,aortal hypotension,thrombosis,hepatomegaly,splenomegaly and venography.Furthermore,levels of nitric oxide,malondialdehyde in the liver and serum enzymes were determined.RESULTS BPC 157 counteracted increased P wave amplitude,tachycardia and ST-elevation,i.e.,right heart failure from acute thrombotic coronary occlusion.The bypassing pathway of the inferior vena cava-azygos(hemiazygos)vein-superior vena cava and portocaval shunt occurred rapidly.Even with severe caval portal hypertension,BPC 157 antagonized portal and caval hypertension and aortal hypotension,and also reduced refractory ascites.Thrombosis of portal vein tributaries,inferior vena cava,and hepatic and coronary arteries was attenuated.In addition,there was reduced pathology of the lungs(severe capillary congestion)and liver(dilated central veins and terminal portal venules),decreased intestine hemorrhagic lesions(substantial capillary congestion,submucosal edema and architecture loss),and increased liver and spleen weight.During the period of ligation,nitric oxide-and malondialdehyde-levels in the liver remained within normal healthy values,and increases in serum enzymes were markedly reduced.CONCLUSION BPC 157 counteracts Budd Chiari syndrome in rats.Slaven Gojkovic Ivan Krezic Borna Vrdoljak Dominik Malekinusic Ivan Barisic andreja Petrovic Katarina Horvat Pavlov Marijan Kolovrat Antonija Duzel Mario Knezevic Katarina Kasnik Kovac Domagoj Drmic Lovorka Batelja Vuletic Antonio Kokot Alenka Boban Blagaic Sven Seiwerth Predrag Sikiric 2020World Journal of Gastrointestinal Pathophysiology2020,11,1:2
3Stable gastric pentadecapeptide BPC 157 in the treatment of colitis and ischemia and reperfusion in rats: New insights显示文摘AIM To provide new insights in treatment of colitis and ischemia and reperfusion in rats using stable gastric pentadecapeptide BPC 157. METHODS Medication [BPC 157,L-NAME,L-arginine(alone/combined),saline] was bath at the blood deprived colon segment. During reperfusion,medication was BPC 157 or saline. We recorded(USB microscope camera) vessel presentation through next 15 min of ischemic colitis(ICrats) or reperfusion(removed ligations)(IC + RL-rats);oxidative stress as MDA(increased(IC-and IC + RLrats)) and NO levels(decreased(IC-rats);increased(IC + RL-rats)) in colon tissue. IC + OB-rats [IC-rats had additional colon obstruction(OB)] for 3 d(IC + OBrats),then received BPC 157 bath. RESULTS Commonly,in colon segment(25 mm,2 ligations on left colic artery and vein,3 arcade vessels within ligated segment),in IC-,IC + RL-,IC + OB-rats,BPC 157(10 μg/kg) bath(1 m L/rat) increased vessel presentation,inside/outside arcade interconnections quickly reappeared,mucosal folds were preserved and the pale areas were small and markedly reduced. BPC 157 counteracted worsening effects induced by L-NAME(5 mg) and L-arginine(100 mg). MDA-and NO-levels were normal in BPC 157 treated IC-rats and IC + RLrats. In addition,on day 10,BPC 157-treated IC + OBrats presented almost completely spared mucosa with very small pale areas and no gross mucosal defects;the treated colon segment was of normal diameter,and only small adhesions were present.CONCLUSION BPC 157 is a fundamental treatment that quickly restores blood supply to the ischemically injured area and rapidly activates collaterals. This effect involves the NO system.Antonija Duzel Josipa Vlainic Marko Antunovic Dominik Malekinusic Borna Vrdoljak Mariam Samara Slaven Gojkovic Ivan Krezic Tinka Vidovic Zdenko Bilic Mario Knezevic Marko Sever Nermin Lojo Antonio Kokot Marijan Kolovrat Domagoj Drmic Jaksa Vukojevic Tamara Kralj Katarina Kasnik Marko Siroglavic Sven Seiwerth Predrag Sikiric 2017World Journal of Gastroenterology2017,23,48:2
4Celecoxib-induced gastrointestinal, liver and brain lesions in rats, counteraction by BPC 157 or L-arginine, aggravation by L-NAME显示文摘AIM To counteract/reveal celecoxib-induced toxicity and NO system involvement. METHODS Celecoxib(1 g/kg b.w. ip) was combined with therapy with stable gastric pentadecapeptide BPC 157(known to inhibit these lesions, 10 μg/kg, 10 ng/kg, or 1 ng/kg ip) and L-arginine(100 mg/kg ip), as well as NOS blockade [N(G)-nitro-L-arginine methyl ester(L-NAME)](5 mg/kg ip) given alone and/or combined immediately after celecoxib. Gastrointestinal, liver, and brain lesions and liver enzyme serum values in rats were assessed at 24 h and 48 h thereafter. RESULTS This high-dose celecoxib administration, as a result of NO system dysfunction, led to gastric, liver, and brain lesions and increased liver enzyme serum values. The L-NAME-induced aggravation of the lesions was notable for gastric lesions, while in liver and brain lesions the beneficial effect of L-arginine was blunted. L-arginine counteracted gastric, liver and brain lesions. These findings support the NO system mechanism(s), both NO system agonization(L-arginine) and NO system antagonization(L-NAME), that on the whole are behind all of these COX phenomena. An even more complete antagonization was identified with BPC 157(at both 24 h and 48 h). A beneficial effect was evident on all the increasingly negative effects of celecoxib and L-NAME application and in all the BPC 157 groups(L-arginine + BPC 157; L-NAME + BPC 157; L-NAME + L-arginine + BPC 157). Thus, these findings demonstrated that BPC 157 may equally counteract both COX-2 inhibition(counteracting the noxious effects of celecoxib on all lesions) and additional NOS blockade(equally counteracting the noxious effects of celecoxib + L-NAME). CONCLUSION BPC 157 and L-arginine alleviate gastrointestinal, liver and brain lesions, redressing NSAIDs' post-surgery application and NO system involvement.Domagoj Drmic Danijela Kolenc Spomenko Ilic Lara Bauk Marko Sever Anita Zenko Sever Kresimir Luetic Jelena Suran Sven Seiwerth Predrag Sikiric 2017World Journal of Gastroenterology2017,23,29:2
5十五肽BPC157减弱慢性苯丙胺诱导的行为障碍(英文)显示文摘AIM: To investigate the effect of pentadecapeptide BPC 157 on chronic exposure to amphetamine in rats, particularly the changes commonly referred in chronic amphetamine studies as tolerance ( lesser grade of stereotyped behavior, without increased excitability) and reverse tolerance (ie, prominent stereotyped behavior and heightened startle response upon late amphetamine challenges). METHODS: After initial application (initial single dose-regimen), amphetamine (10 mg/kg, ip) was given once daily till d 5 ( continuous administration-regimen), and thereafter on d 8, 16, and 46 (intermittent administration regimen). For stereotyped behavior and heightened startle response the observation period was 120 min after amphetamine application, and each animal was observed for 10 s in 5 min intervals. Pentadecapeptide BPC 157 (10 μg/kg or 10 ng/kg, ip) or saline (5.0 mL/kg, ip) were given only at the beginning of the experiment, simultaneously with the initial dose of amphetamine. RESULTS: In relation toPredrag SIKIRIC, Nikola JELOVAC, Andjelka JELOVAC-GJELDUM, Goran DODIG, Mario STARESINIC, Tornislav ANIC, Ivan ZORICIC, Davor RAK, Darko PEROVIC, Gorana ARALICA, Gojko BULJAT, Ingrid PRKACEV, Martina LOVRIC-BENCIC, Jadranka SEPAROVIC, Sven SEIWERTH, Rudolf RUCMAN, Marijan PETEK, Branko TURKOVIC, Tihomil ZIGER, AJenka BOBAN-BLAGAIC, Vlado BEDEKOVIC, Ante TONKIC, Slaven BABIC ( Department of Pharmacology, Medical Faculty University of Zagreb, Croatia) 2002Acta Pharmacologica Sinica2002,23,5:2
6The influence of a novel pentadecapeptide,BPC 157,on N(G)-nitro-L-arginine methylester and L-arginine effects on stomach mucosa integrity and blood pressure显示文摘Sikiri(c) P Seiwerth S Grabarevi(c) Z Rucman R Petek M Jagi(c) V Turkovi(c) B Rotkvi(c) I Mise S Zorici(c) I Konjevoda P Perovi(c) D Jurina L Separovi(c) J Hanzevacki M Artukovi(c) B Bratuli(c) M Tisljar M Gjurasin M Mikli(c) P Stanci(c)-Rokotov D Slobodn 0,,1:1
7Achilles detachment in rat and stable gastric pentadecapeptide BPC157:Promoted tendon to bone healing and opposed corticosteroid aggravation显示文摘Krivic A Anic T Seiwerth S 0,,05:1
8Vas- cular endothelial growth factor in children with neuroblastoma: a retrospective analysis 显示文摘Jakovijevic G Culic S Stepan J Bonevski A Seiwerth S 2009J Exp Clin Cancer Res2009,28,:1
9Pentadecapeptide BPC 157 resolves Pringle maneuver in rats,both ischemia and reperfusion显示文摘BACKGROUND The Pringle maneuver[portal triad obstruction(PTO)]provides huge disturbances during ischemia and even more thereafter in reperfusion.Contrarily,a possible solution may be stable gastric pentadecapeptide BPC 157,with already documented beneficial effects in ischemia/reperfusion conditions.Recently,BPC 157,as a cytoprotective agent,successfully resolved vessel occlusions in rats(ischemic colitis;deep vein thrombosis,superior anterior pancreaticoduodenal vein;bile duct cirrhosis)through rapid collateral vessel recruitment to circumvent vessel occlusion.Thereby,medication BPC 157 regimens were administered as a single challenge before and during ischemia or,alternatively,at various time points during reperfusion.AIM To introduce BPC 157 therapy against pringle maneuver-damage.METHODS In deeply anesthetised rats,the portal triad was clamped up for 30 min.Rats then underwent reperfusion for either 15 min or 24 h.Medication[(10μg,10 ng/kg)regimens,administered as a single challenge]picked(a)ischemia,PTO period[at 5 min before(ip)or at 5 or 30 min of ligation time(as a bath to PTO)]or(b)reperfusion,post-PTO period[at 1 or 15 min(bath during surgery)or 24 h(ip)reperfusion-time].We provided gross,microscopy,malondialdehyde,serum enzymes,electrocardiogram,portal,caval,and aortal pressure,thrombosis and venography assessments.RESULTS BPC 157 counteracts electrocardiogram disturbances(increased P wave amplitude,S1Q3T3 QRS pattern and tachycardia).Rapidly presented vascular pathway(portal vein-superior mesenteric vein-inferior mesenteric vein-rectal veins-left ileal vein-inferior caval vein)as the adequate shunting immediately affected disturbed haemodynamics.Portal hypertension and severe aortal hypotension during PTO,as well as portal and caval hypertension and mild aortal hypotension in reperfusion and refractory ascites formation were markedly attenuated(during PTO)or completely abrogated(reperfusion);thrombosis in portal vein tributaries and inferior caval vein or hepatic artery was counteracted during portal triad obstruction PTO.Also,counteraction included the whole vicious injurious circle[i.e.,lung pathology(severe capillary congestion),liver(dilated central veins and terminal portal venules),intestine(substantial capillary congestion,submucosal oedema,loss of villous architecture),splenomegaly,right heart(picked P wave values)]regularly perpetuated in ischemia and progressed by reperfusion in Pringle rats.CONCLUSION BPC 157 resolves pringle maneuver-damage in rats,both for ischemia and reperfusion.Marijan Kolovrat Slaven Gojkovic Ivan Krezic Dominik Malekinusic Borna Vrdoljak Katarina Kasnik Kovac Tamara Kralj Domagoj Drmic Ivan Barisic Katarina Horvat Pavlov Andreja Petrovic Antonija Duzel Mario Knezevic Ivan Mirkovic Antonio Kokot Alenka Boban Blagaic Sven Seiwerth Predrag Sikiric 2020World Journal of Hepatology2020,12,5:1
10Possible prognostic significance of p53 and Ki67 in Inverted Sinonasal papilloma显示文摘BURA M SEIWERTH S VLADIKA I 2007Coil Antrepol2007,31,2:1
11Possible prognostic significance of p53 and Ki67 in inverted sinonasal papilloma 显示文摘Bura M Seiwerth S Vladika I 2007Coil Antropol2007,31,2:1
12Endoglin (CD 105) as a potential prognostic factor in neuroblastoma显示文摘CavarS JelasicD SeiwerthS 2015Pediatr Blood Cancer2015,62,5:1
13Extracellular Matrix of Reinke's space in some pathological conditions显示文摘VOLIC SV KLAPAN I SEIWERTH S 2004Acta Otolaryngol2004,124,:1
14New model of cytoprotection/adaptiove cytoprotection in rats:endogenous small irritants,antiulcer agents and indomethacin显示文摘 Seiwerth S Deskovic S 1999Eur J Pharmacol1999,364,1:1
15Modulatory effect of gastric pentade- capeptide BPC157 on angiogenesis in muscle and tendon healing显示文摘Brcic L Brcic I Seiwerth S 2009Physiol Pharmacol2009,607,:1
16BPC-157,一种胃十五肽的抗焦虑作用:休克探查/埋藏试验和明暗试验(英文)显示文摘AIM: To study anxiolytic effect of a gastric pentade-capeptide, BPC-157. METHODS: In shock probe/burying test, pentadecapeptide BPC-157 (10 μg/kg, 10ng/kg, ip), diazepam (0.075, 0.0375 mg/kg, ip),and an equivolume of saline (5 mL/kg, ip) were givenat 30 min prior test. In light/dark test, the same dosageof diazepam, BPC-157, and saline were given at 45 minPrior procedure. RESULTS: Shock probe/buryingtest: rats treated with either diazepam or pentadecapeptideBPC-157 were much less afraid after the shock:Predrag SIKIRIC Nikola JELOVAC Andjelka JELOVAC-GJELDUM Goran DODIG Mario STARESINIC Tomislav ANIC Ivan ZORICIC Darko PEROVIC Gorana ARALICA Gojko BULJAT Ingrid PRKACIN Martina LOVRIC-BENCIC Jadranka SEPAROVIC Sven SEIWERTH Rudolf RUCMAN Marijan PETEK Branko TURKOVIC Tihomil ZIGER 2001Acta Pharmacologica Sinica2001,22,3:1
17Counteraction of perforated cecum lesions in rats: Effects of pentadecapeptide BPC 157,L-NAME and L-arginine显示文摘AIM To study the counteraction of perforated cecum lesion using BPC 157 and nitric oxide(NO) system agents.METHODS Alongside with the agents' application(after 1 min, medication(/kg, 10 ml/2 min bath/rat) includes: BPC 157(10 μg), L-NAME(5 mg), L-arginine(100mg) alone or combined, and saline baths(controls)) on the rat perforate cecum injury, we continuously assessed the gross reappearance of the vessels(USB microcamera) quickly propagating toward the defect at the cecum surface, defect contraction, bleeding attenuation, MDA-and NO-levels in cecum tissue at 15 min, and severity of cecum lesions and adhesions at 1 and 7 d. RESULTS Post-injury, during/after a saline bath, the number of vessels was significantly reduced, the defect was slightly narrowed, bleeding was significant and MDA-levels increased and NO-levels decreased. BPC 157 bath: the vessel presentation was markedly increased, the defect was noticeably narrowed, the bleeding time was shortened and MDA-and NO-levels remained normal. L-NAME: reduced vessel presentation but not more than the control, did not change defect and shortened bleeding. L-arginine: exhibited less vessel reduction, did not change the defect and prolonged bleeding. In combination, mutual counteraction occurred(L-NAME + L-arginine) or the presentation was similar to that of BPC 157 rats(BPC 157 + L-NAME; BPC 157 + L-arginine; BPC 157 + L-NAME + L-arginine), except the defect did not change. Thereby at day 1 and 7, saline, L-NAME, L-arginine and L-NAME + L-arginine failed(defect was still open and large adhesions present). CONCLUSION The therapeutic effect was achieved with BPC 157 alone or in combination with L-NAME and L-arginine as it was able to consolidate the stimulating and inhibiting effects of the NO-system towards more effective healing recruiting vessels.Domagoj Drmic Mariam Samara Tinka Vidovic Dominik Malekinusic Marko Antunovic Borna Vrdoljak Jelena Ruzman Marija Milkovic Perisa Katarina Horvat Pavlov Jerusha Jeyakumar Sven Seiwerth Predrag Sikiric 2018World Journal of Gastroenterology2018,24,48:1
18Possible prog- nostic significance of p53 and Ki-67 in inverted sinon- asal papilloma显示文摘Bura M Seiwerth S Vladika I 2007Coll Antropol2007,31,2:1
19Bypassing major venous occlusion and duodenal lesions in rats, and therapy with the stable gastric pentadecapeptide BPC 157, L-NAME and L-arginine显示文摘AIM To investigate whether duodenal lesions induced by major venous occlusions can be attenuated by BPC 157 regardless nitric oxide(NO) system involvement.METHODS Male Wistar rats underwent superior anterior pancreaticoduodenal vein(SAPDV)-ligation and were treated with a bath at the ligated SAPDV site(BPC 157 10 μg, 10 ng/kg per 1 mL bath/rat; L-NAME 5 mg/kg per 1 m L bath/rat; L-arginine 100 mg/kg per 1 mL bath/rat, alone and/or together; or BPC 157 10 μg/kg instilled into the rat stomach, at 1 min ligation-time). We recorded the vessel presentation(filled/appearance or emptied/disappearance) between the 5 arcade vessels arising from the SAPDV on the ventral duodenum side, the inferior anterior pancreaticoduodenal vein(IAPDV) and superior mesenteric vein(SMV) as bypassing vascular pathway to document the duodenal lesions presentation; increased NO-and oxidative stress [malondialdehyde(MDA)]-levels in duodenum.RESULTS Unlike the severe course in the SAPDV-ligated controls, after BPC 157 application, the rats exhibited strong attenuation of the mucosal lesions and serosal congestion, improved vessel presentation, increased interconnections, increased branching by more than 60% from the initial value, the IAPDV and SMV were not congested. Interestingly, after 5 min and 30 min of L-NAME and L-arginine treatment alone, decreased mucosal and serosal duodenal lesions were observed; their effect was worsened at 24 h, and no effect on the collateral vessels and branching was seen. Together, L-NAME+L-arginine antagonized each other's response, and thus, there was an NO-related effect. With BPC 157, all SAPDV-ligated rats receiving L-NAME and/or L-arginine appeared similar to the rats treated with BPC 157 alone. Also, BPC 157 in SAPDV-ligated rats normalized levels of NO and MDA, two oxidative stress markers, in duodenal tissues.CONCLUSION BPC 157, rapidly bypassing occlusion, rescued the original duodenal flow through IAPDV to SMV flow, aneffect related to the NO system and reduction of free radical formation.Fedor Amic Domagoj Drmic Zdenko Bilic Ivan Krezic Helena Zizek Marina Peklic Robert Klicek Alen Pajtak Enio Amic Tinka Vidovic Mislav Rakic Marija Milkovic Perisa Katarina Horvat Pavlov Antonio Kokot Ante Tvrdeic Alenka Boban Blagaic Mario Zovak Sven Seiwerth Predrag Sikiric 2018World Journal of Gastroenterology2018,24,47:1
20Extracellular matrix of Reinke's space in some pathological conditions显示文摘Voli(c) S V Klapan I Seiwerth S 0,,04:1
返回顶部 每页显示:
共2页 首页 上一页 第1页 下一页 末页 /2 跳转

网站首页 | 关于我们 | 联系我们 | 产品服务 | 客服中心 | 广告服务 | 版权声明 | 网站联盟 | 友情链接 | 售卡网点

版权所有© 渝B2-20050021-1 渝公网安备 50019002500403号 违法和不良信息举报中心

互联网出版许可证 新出网证(渝)字10号 全国400电话 - 免长途话费