{"id":9008,"date":"2024-08-15T16:13:04","date_gmt":"2024-08-15T16:13:04","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=9008"},"modified":"2024-08-15T16:13:04","modified_gmt":"2024-08-15T16:13:04","slug":"cervical-cancer-hela-cells","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/tr\/rahi\u0307m-agzi-kanseri\u0307-hela-hucreleri\u0307\/","title":{"rendered":"\u0130nsan serviks kanseri HeLa h\u00fccrelerinde Leukamenin E kaynakl\u0131 sitoplazmik h\u00fccre iskeleti yeniden d\u00fczenlenmesi ve migrasyon inhibisyonu \u00fczerine \u00e7al\u0131\u015fma"},"content":{"rendered":"<p>\u0130nsan serviks kanseri HeLa h\u00fccrelerinde Leukamenin E kaynakl\u0131 sitoplazmik h\u00fccre iskeleti yeniden d\u00fczenlenmesi ve migrasyon inhibisyonu \u00fczerine \u00e7al\u0131\u015fma<br \/>\n\u00d6karyotik h\u00fccrelerdeki mikrofilamentler, mikrot\u00fcb\u00fcller ve ara lifler, sitoplazmik iskelet sistemi gibi olduk\u00e7a d\u00fczenli \u00fc\u00e7 boyutlu bir a\u011f olu\u015fturmak i\u00e7in ba\u011flay\u0131c\u0131 proteinleri ile birbirine ba\u011flan\u0131r. Materyal ta\u015f\u0131ma, bilgi aktar\u0131m\u0131, h\u00fccre b\u00f6l\u00fcnmesi, h\u00fccre g\u00f6\u00e7\u00fc ve h\u00fccre morfolojisinin korunmas\u0131 gibi temel h\u00fccresel ya\u015fam s\u00fcre\u00e7lerine kat\u0131l\u0131rlar. H\u00fccre iskeletinin dinamik s\u00fcreci, h\u00fccresel ya\u015fam faaliyetlerinin ihtiya\u00e7lar\u0131n\u0131 kar\u015f\u0131lamak i\u00e7in y\u00fcksek oranda d\u00fczenlenir ve montaj bozuklu\u011fu h\u00fccre b\u00fcy\u00fcmesinin engellenmesine, h\u00fccre b\u00f6l\u00fcnmesinin durmas\u0131na ve hatta h\u00fccre apoptozuna yol a\u00e7abilir. Baz\u0131 anti-t\u00fcm\u00f6r ila\u00e7lar, h\u00fccre iskeletinin depolimerizasyonunu ve polimerizasyonunu de\u011fi\u015ftirerek mikrot\u00fcb\u00fcllerin dinamik dengesini bozabilir, b\u00f6ylece h\u00fccre \u00e7o\u011falmas\u0131n\u0131 engelleyebilir ve anti-t\u00fcm\u00f6r etkiler uygulayabilir. Bitkiden elde edilen antikanser ila\u00e7lar\u0131 kataranthus alkaloidleri ve taksanlar \u03b2 - tubulin ile birle\u015febilir, mikrot\u00fcb\u00fcl iskeletinin dinamik s\u00fcrecine m\u00fcdahale edebilir ve meme kanseri, akci\u011fer kanseri, n\u00f6roblastom, rabdomyosarkom, akut l\u00f6semi vb. dahil olmak \u00fczere \u00e7e\u015fitli t\u00fcm\u00f6rleri tedavi etmek i\u00e7in kullan\u0131labilir. H\u00fccre iskeletini ve ilgili proteinlerini hedef alan anti-t\u00fcm\u00f6r ila\u00e7lar\u0131n ara\u015ft\u0131r\u0131lmas\u0131 ve ke\u015ffi, \u00e7ok aktif bir s\u0131n\u0131r ara\u015ft\u0131rma alan\u0131 haline gelmi\u015ftir.<\/p>\n<p>Reaktif oksijen t\u00fcrleri (ROS), h\u00fccreler i\u00e7inde sinyal molek\u00fclleri olarak hareket eder ve h\u00fccre \u00e7o\u011falmas\u0131 ve farkl\u0131la\u015fmas\u0131 gibi ba\u015fl\u0131ca h\u00fccresel ya\u015fam s\u00fcre\u00e7lerine kat\u0131l\u0131r. T\u00fcm\u00f6r h\u00fccrelerinde metabolik yollardaki de\u011fi\u015fiklikler nedeniyle, ROS i\u00e7eri\u011fi, \u00f6zellikle H2O2 artar ve bu da t\u00fcm\u00f6r h\u00fccrelerini ROS seviyelerindeki de\u011fi\u015fikliklere kar\u015f\u0131 daha hassas hale getirir. Bu nedenle, ROS \u00fcretimi ve antioksidan savunma ile h\u00fccre i\u00e7i bile\u015fenlerin spesifik modifikasyonlar\u0131 kanser tedavisi i\u00e7in hedef olarak tan\u0131mlanm\u0131\u015ft\u0131r. Ara\u015ft\u0131rmalar, NADPH oksidaz ve di\u011fer kaynaklar taraf\u0131ndan \u00fcretilen ROS'un mikrofilamentleri, mikrot\u00fcb\u00fclleri ve ara ipek proteinlerini do\u011frudan de\u011fi\u015ftirebildi\u011fini, dinamik montaj s\u00f6kme s\u00fcre\u00e7lerini etkileyebildi\u011fini veya ilgili sinyal yollar\u0131 arac\u0131l\u0131\u011f\u0131yla Rho GTPaz'\u0131 yukar\u0131 y\u00f6nde aktive ederek h\u00fccre iskeletini yeniden \u015fekillendirebildi\u011fini g\u00f6stermi\u015ftir. NADPH oksidaz arac\u0131l\u0131 h\u00fccre i\u00e7i oksidatif stres de h\u00fccre iskeletiyle ilgili hastal\u0131klarda \u00f6nemli bir d\u00fczenleyici rol oynamaktad\u0131r. Son y\u0131llarda, ara\u015ft\u0131rmac\u0131lar ROS'un h\u00fccre iskeleti dinamiklerinin d\u00fczenlenmesindeki rol\u00fcne yayg\u0131n bir ilgi g\u00f6stermi\u015flerdir.<\/p>\n<p>Camellia cinsinde \u00c7in'de da\u011f\u0131lm\u0131\u015f 90'dan fazla bitki t\u00fcr\u00fc vard\u0131r ve bunlar\u0131n yakla\u015f\u0131k 30'u t\u0131bbi ama\u00e7larla kullan\u0131lmaktad\u0131r. Bunlar aras\u0131nda Isodon rubescens bir zamanlar \u00c7in Farmakopesi'ne dahil edilmi\u015ftir ve esas olarak antibakteriyel, anti-enflamatuar ve anti-t\u00fcm\u00f6r hastal\u0131klar\u0131n\u0131n tedavisinde kullan\u0131lmaktad\u0131r. Lonicera japonica'n\u0131n ana aktif bile\u015feni olan Oridonin, anti-t\u00fcm\u00f6r mekanizmas\u0131 i\u00e7in kapsaml\u0131 bir \u015fekilde incelenmi\u015f ve yap\u0131sal modifikasyonlar\u0131, anti l\u00f6semi ila\u00e7lar\u0131 olarak faz I klinik denemelerine girmi\u015ftir. \u00d6zellikle Camellia cinsindeki bitkilerin dallar\u0131nda ve yapraklar\u0131nda bol miktarda bulunan 1300'den fazla enantiyomerik kaempferol diterpen t\u00fcr\u00fc ke\u015ffedilmi\u015ftir. Bu bile\u015fikler kapsaml\u0131 antikanser aktivitesi sergilemektedir ve yeni anti-t\u00fcm\u00f6r ila\u00e7lar\u0131n ke\u015ffine yol a\u00e7malar\u0131 beklenmektedir. \u015eu anda, arbutin gibi sadece \u00e7ok az say\u0131da enantiyomerik diterpen, antikanser mekanizmalar\u0131 a\u00e7\u0131s\u0131ndan kapsaml\u0131 ve sistematik bir \u015fekilde incelenmi\u015ftir. Bu t\u00fcrden di\u011fer diterpenler \u00fczerinde hala ilgili ara\u015ft\u0131rma eksikli\u011fi vard\u0131r, ancak son y\u0131llarda \u00f6nemli ilerlemeler kaydedilmi\u015ftir. Son y\u0131llarda, kaempferol diterpenlerin baz\u0131 enantiyomerlerinin h\u00fccre iskeleti sistemi \u00fczerinde etkili olabilece\u011fi ve antikanser aktivite g\u00f6sterebilece\u011fi bulunmu\u015ftur. \u00d6rne\u011fin, bakteriyosin A, i\u011f d\u00fczene\u011fi kontrol noktas\u0131n\u0131 etkinle\u015ftirmek i\u00e7in do\u011frudan BubR1 proteinini hedefler, ortadan ge\u00e7 h\u00fccre ge\u00e7i\u015fini \u00f6nler ve l\u00f6semi h\u00fccreleri Raji ve Jurkat'\u0131n mitotik faz\u0131n\u0131 inhibe eder; Wangzaozin A ve epinodosin, s\u0131ras\u0131yla HeLa ve HL-60 h\u00fccrelerinde h\u00fccre iskeletinin (mikrofilamentler, mikrot\u00fcb\u00fcller ve ara filamentler) yeniden d\u00fczenlenmesini ind\u00fckler ve bu da h\u00fccre farkl\u0131la\u015fmas\u0131n\u0131 ind\u00fcklemeleriyle ili\u015fkilidir; Leukamenin E ayr\u0131ca HUVEC'lerde ve PLC h\u00fccrelerinde keratin fosforilasyonunu ind\u00fckleyebilir, b\u00f6ylece keratin lif a\u011flar\u0131n\u0131n normal montaj\u0131n\u0131 engelleyebilir. Bu makale, l\u00f6kamenin E'nin HeLa h\u00fccrelerinde \u00fc\u00e7 iskelet lifinin (mikrofilamentler, mikrot\u00fcb\u00fcller ve keratin lifleri) yeniden d\u00fczenlenmesi \u00fczerindeki etkilerinin yan\u0131 s\u0131ra h\u00fccre b\u00fcy\u00fcmesi ve migrasyon inhibisyonunun olas\u0131 mekanizmalar\u0131n\u0131 rapor etmeye devam etmektedir. Enantiyomerik kaempferol diterpenoidlerin antikanser molek\u00fcler mekanizmalar\u0131n\u0131n ayd\u0131nlat\u0131lmas\u0131 i\u00e7in ipu\u00e7lar\u0131 ve bu bile\u015fi\u011fin daha da geli\u015ftirilmesi ve uygulanmas\u0131 i\u00e7in bilimsel temel sa\u011flar.<\/p>\n<p>Son y\u0131llarda, enantiyomerik kaempferol diterpenlerin antikanser farmakolojik aktivitesi ara\u015ft\u0131rmac\u0131lar aras\u0131nda yayg\u0131n bir ilgi g\u00f6rm\u00fc\u015ft\u00fcr. Farkl\u0131 molek\u00fcler konfig\u00fcrasyonlara sahip bu bile\u015fiklerin antikanser mekanizmalar\u0131 hakk\u0131nda artan raporlar bulunmaktad\u0131r ve h\u00fccresel ya\u015fam s\u00fcre\u00e7leri \u00fczerindeki etkilerinin \u00e7ok y\u00f6nl\u00fc oldu\u011fu ve molek\u00fcler d\u00fczeyde \u00e7ok hedefli etkiler g\u00f6sterdi\u011fi tespit edilmi\u015ftir. \u00d6rne\u011fin, \u00e7e\u015fitli h\u00fccresel sinyal yollar\u0131 arac\u0131l\u0131\u011f\u0131yla h\u00fccre apoptozunu ve farkl\u0131la\u015fmas\u0131n\u0131 ind\u00fckleyerek; peroksidaz I ve II, BubR1 proteini ve kanser proteini AML1-ETO'yu hedef alarak, NADPH oksidaz aktivitesini d\u00fczenleyebilir ve keratin fosforilasyonunu ind\u00fckleyebilir. Ara\u015ft\u0131rma grubumuz, enantiyomerik kaempferol diterpenlerin h\u00fccre iskeleti sistemi \u00fczerindeki etkilerini art arda rapor etmi\u015ftir: l\u00f6kamenin E, h\u00fccre keratini K8 ve K18'in fosforilasyonunu ind\u00fckleyebilir ve keratin montaj\u0131n\u0131 inhibe edebilir; Epinodosin ve wangzaozin A s\u0131ras\u0131yla HL-60 ve HeLa h\u00fccrelerinde h\u00fccre iskeletinin dinamik montaj\u0131n\u0131 etkileyebilir, sitoplazmik h\u00fccre iskeletinin yeniden d\u00fczenlenmesine neden olabilir, mikrofilamentlerin, mikrot\u00fcb\u00fcllerin ve ara lif iskelet liflerinin da\u011f\u0131l\u0131m\u0131n\u0131 de\u011fi\u015ftirebilir ve sitoplazmik h\u00fccre iskeleti sisteminin homeostaz\u0131na m\u00fcdahale edebilir. Bununla birlikte, etki mekanizmalar\u0131 iyi anla\u015f\u0131lmam\u0131\u015ft\u0131r.<\/p>\n<p>Bu makalede, ilk olarak d\u00fc\u015f\u00fck konsantrasyonlarda l\u00f6kamenin E (0.4-1.0 \u03bc mol\/L) ile ind\u00fcklenen HeLa h\u00fccre h\u00fccre iskeletinin yeniden d\u00fczenlenmesinin \u00f6zelliklerini ara\u015ft\u0131rd\u0131k. D\u00fc\u015f\u00fck l\u00f6kamenin E konsantrasyonu, uzun s\u00fcreli tedaviden sonra (48 saat ve 72 saat) h\u00fccrelerin morfolojisini \u00f6nemli \u00f6l\u00e7\u00fcde de\u011fi\u015ftirerek uzun \u015feritlerin olu\u015fmas\u0131na, ps\u00f6dopodia say\u0131s\u0131nda \u00f6nemli bir azalmaya, ps\u00f6dopodia uzamas\u0131na ve \"b\u00f6brek \u015fekilli \u00e7ekirdeklerin\" say\u0131s\u0131nda art\u0131\u015fla birlikte n\u00fckleer morfolojide \u00f6nemli bir de\u011fi\u015fikli\u011fe neden olmu\u015ftur. Bilindi\u011fi gibi mikrofilamentler, mikrot\u00fcb\u00fcller ve orta liflerin t\u00fcm\u00fc h\u00fccrelerin ve \u00e7ekirdeklerinin morfolojisini koruma i\u015flevine sahiptir. Dolay\u0131s\u0131yla bu de\u011fi\u015fiklikler, l\u00f6komenen E'nin h\u00fccre iskeletinin dinamik dengesine m\u00fcdahale edebilece\u011fini ve h\u00fccre iskeletinin yeniden d\u00fczenlenmesine neden olabilece\u011fini d\u00fc\u015f\u00fcnd\u00fcrmektedir. Daha fazla floresan boyama bu spek\u00fclasyonu do\u011frulam\u0131\u015ft\u0131r: sitoplazmik stres liflerinin say\u0131s\u0131 azalm\u0131\u015f, mikrot\u00fcb\u00fcller ve keratin lifleri \u00e7ekirdek etraf\u0131nda toplanm\u0131\u015f, mikrot\u00fcb\u00fcl ve keratin ara liflerinin d\u00fczeni \u00f6nemli \u00f6l\u00e7\u00fcde de\u011fi\u015fmi\u015f ve baz\u0131 mikrot\u00fcb\u00fcl ve keratin ara lifleri kal\u0131nla\u015fm\u0131\u015ft\u0131r. Ak\u0131\u015f sitometrisi analizi ayr\u0131ca HeLa h\u00fccrelerinde kohezif mikrofilamentlerde azalma, toplanm\u0131\u015f mikrot\u00fcb\u00fcllerde \u00f6nemli bir art\u0131\u015f ve keratin lif polimerizasyonunda hafif bir art\u0131\u015f oldu\u011funu do\u011frulam\u0131\u015ft\u0131r. Bu sonu\u00e7, enantiyomerik diterpenoid wangzaozin A taraf\u0131ndan HeLa h\u00fccrelerinde h\u00fccre iskeletinin yeniden d\u00fczenlenmesinin ind\u00fcklenmesine ili\u015fkin \u00f6nceki raporumuzla benzerdir. Bununla birlikte, HepG2, H1299, PLC ve HUVEC h\u00fccrelerinin 24 saat boyunca y\u00fcksek konsantrasyonlarda (2.0 ~ 4.0 \u03bc mol \/ L) l\u00f6kamenin E ile muamele edilmesi, h\u00fccre morfolojisinde minimum de\u011fi\u015fikliklerle sonu\u00e7lanm\u0131\u015ft\u0131r, bu da d\u00fc\u015f\u00fck konsantrasyonlu muameleden sonra g\u00f6zlenen de\u011fi\u015fiklik modelinden tamamen farkl\u0131d\u0131r. Y\u00fcksek konsantrasyonlarda l\u00f6komenen E'nin h\u00fccrelerde ERK sinyal yolunu aktive edebildi\u011fini, K8-S431\/73 ve K18-S52 fosforilasyonunu ind\u00fckleyebildi\u011fini, keratin lifi birle\u015fmesini engelledi\u011fini ve keratin lifi say\u0131s\u0131n\u0131 azaltt\u0131\u011f\u0131n\u0131 bulduk. Bu, farkl\u0131 konsantrasyonlardaki l\u00f6komenen E'nin h\u00fccrelerde farkl\u0131 sinyal yollar\u0131n\u0131n d\u00fczenlenmesine kat\u0131larak farkl\u0131 h\u00fccresel tepki olaylar\u0131na neden olabilece\u011fini g\u00f6stermektedir.<\/p>\n<p>H\u00fccre iskeletinin h\u00fccre b\u00f6l\u00fcnmesi ve g\u00f6\u00e7\u00fcne derin kat\u0131l\u0131m\u0131, h\u00fccresel karsinogenez ve bozulma ile yak\u0131ndan ili\u015fkilidir. H\u00fccre iskeleti ve d\u00fczenleyici proteinlerden olu\u015fan dinamik lif a\u011f\u0131, h\u00fccre morfolojisinde s\u00fcrekli de\u011fi\u015fiklikler, h\u00fccre iskeletinin yeniden d\u00fczenlenmesi ve y\u00f6nl\u00fc h\u00fccre hareketinin y\u00f6nlendirilmesi \u015feklinde kendini g\u00f6steren h\u00fccre g\u00f6\u00e7\u00fc s\u00fcrecinde yer al\u0131r. Sitokalazin, kol\u015fisin ve vinkristin gibi h\u00fccre iskeletini hedef alan bile\u015fikler, h\u00fccre iskeletinin birle\u015fmesini etkileyerek h\u00fccre \u00e7o\u011falmas\u0131n\u0131 ve g\u00f6\u00e7\u00fcn\u00fc engeller. Ara\u015ft\u0131rmam\u0131z, 0.8~1.0 \u03bc mol\/L l\u00f6komenen E'nin HeLa h\u00fccre h\u00fccre iskeletinin dinamik dengesine m\u00fcdahale ederek sitoplazmik h\u00fccre iskeletinin \u00f6nemli \u00f6l\u00e7\u00fcde yeniden d\u00fczenlenmesine neden oldu\u011funu, h\u00fccre g\u00f6\u00e7\u00fcn\u00fc engelledi\u011fini ve h\u00fccre d\u00f6ng\u00fcs\u00fc \u00e7al\u0131\u015fmas\u0131n\u0131 engelleyerek h\u00fccre \u00e7o\u011falma oran\u0131n\u0131 azaltt\u0131\u011f\u0131n\u0131 g\u00f6stermektedir. Bu durum, l\u00f6komenen E'nin yeni anti-kanser ila\u00e7lar\u0131n\u0131n ara\u015ft\u0131r\u0131lmas\u0131 ve ke\u015ffedilmesinde \u00f6nemli bir de\u011fere sahip oldu\u011funu g\u00f6stermektedir.<\/p>\n<p>ROS, canl\u0131 organizmalarda \u00fcretilen ve O2, H2O2, - OH, vb. gibi molek\u00fcler oksijen kimyas\u0131ndan daha aktif olan oksijen i\u00e7eren bir serbest radikal t\u00fcr\u00fcd\u00fcr. Normal fizyolojik ko\u015fullar alt\u0131nda ROS, h\u00fccre kaderini belirlemede ve \u00e7e\u015fitli sinyal molek\u00fcllerini de\u011fi\u015ftirmede ikinci bir haberci olarak \u00f6nemli bir rol oynar. Ara\u015ft\u0131rmalar, ROS'un h\u00fccre iskeletinin yeniden \u015fekillenmesinin sinyal yoluna kat\u0131ld\u0131\u011f\u0131n\u0131, h\u00fccre iskeletini veya h\u00fccre iskeleti ile ilgili proteinleri do\u011frudan de\u011fi\u015ftirdi\u011fini ve h\u00fccre iskeletinin yap\u0131s\u0131 ve i\u015flevinde yer alan \u00f6nemli bir d\u00fczenleyici fakt\u00f6r oldu\u011funu do\u011frulam\u0131\u015ft\u0131r. Daha \u00f6nce, l\u00f6komenen E'nin h\u00fccre i\u00e7i ROS seviyelerini art\u0131rabildi\u011fini ve HL-60 h\u00fccrelerinde NADPH oksidaz aktivitesini d\u00fczenleyerek HL-60 h\u00fccrelerini olgun gran\u00fclositlere farkl\u0131la\u015fmaya te\u015fvik etti\u011fini bildirmi\u015ftik. Bu \u00e7al\u0131\u015fmada, HeLa h\u00fccrelerinin 0.4~1.0 \u03bc mol\/L l\u00f6komenen E ile muamelesi h\u00fccre i\u00e7i ROS seviyelerini \u00f6nemli \u00f6l\u00e7\u00fcde art\u0131rm\u0131\u015f ve ROS i\u00e7eri\u011fi artan ila\u00e7 konsantrasyonu ve uzayan tedavi s\u00fcresi ile \u00f6nemli \u00f6l\u00e7\u00fcde artm\u0131\u015ft\u0131r. ROS'un, l\u00f6komenen E ile ind\u00fcklenen h\u00fccre morfolojik de\u011fi\u015fikliklerinin, h\u00fccre g\u00f6\u00e7\u00fc inhibisyonunun ve h\u00fccre iskeletinin yeniden d\u00fczenlenmesinin bir yukar\u0131 ak\u0131\u015f olay\u0131 olabilece\u011fini tahmin ediyoruz. L\u00f6kmenen E, ROS sinyal yolu arac\u0131l\u0131\u011f\u0131yla h\u00fccre iskeletinin yeniden d\u00fczenlenmesini d\u00fczenleyerek h\u00fccre morfolojisinde de\u011fi\u015fikliklere ve h\u00fccre g\u00f6\u00e7\u00fcn\u00fcn engellenmesine yol a\u00e7abilir. Daha ileri deneyler yukar\u0131daki spek\u00fclasyonu do\u011frulam\u0131\u015ft\u0131r: NAC ilavesinin l\u00f6komenen E taraf\u0131ndan ind\u00fcklenen morfolojik de\u011fi\u015fiklikler \u00fczerinde \u00f6nemli bir inhibit\u00f6r etkisi vard\u0131r (uzam\u0131\u015f ve azalm\u0131\u015f ps\u00f6dopodiye do\u011fru) ve NAC'nin l\u00f6komenen E taraf\u0131ndan stres lifi azalmas\u0131n\u0131n ind\u00fcksiyonunu zay\u0131flatt\u0131\u011f\u0131 ve mikrot\u00fcb\u00fcllerin ve keratin liflerinin \u00e7ekirdek etraf\u0131nda toplanmas\u0131n\u0131 azaltt\u0131\u011f\u0131 g\u00f6zlenmi\u015ftir. Bu olgular, h\u00fccre iskeletinin yeniden d\u00fczenlenmesinin ve l\u00f6komenen E'nin neden oldu\u011fu h\u00fccre morfolojisindeki de\u011fi\u015fikliklerin ROS seviyelerindeki art\u0131\u015fla ili\u015fkili oldu\u011funu g\u00f6stermektedir. \u00c7al\u0131\u015fmalar, ROS'un mikrofilament agregasyonu ve depolimerizasyonunun dinamik s\u00fcre\u00e7lerinde yer ald\u0131\u011f\u0131n\u0131 g\u00f6stermi\u015ftir. \u0130nsan ilkel kondrositlerinde, ROS'daki bir art\u0131\u015f Racl'\u0131n oksidatif modifikasyonunu te\u015fvik eder ve aktin h\u00fccrelerinin h\u00fccre iskeleti yap\u0131s\u0131nda de\u011fi\u015fikliklere neden olur; ROS, ERK yolu arac\u0131l\u0131\u011f\u0131yla testis Sertoli h\u00fccrelerinin (SC) stres lifi a\u011f\u0131n\u0131 ve di\u011fer mikrofilament demetlerini bozar. Buna ek olarak, ROS mikrot\u00fcb\u00fcllerin dinamik karars\u0131zl\u0131\u011f\u0131n\u0131 \u00f6nemli \u00f6l\u00e7\u00fcde etkiler, mikrot\u00fcb\u00fcl protein h\u00fccre iskeleti organizasyonunu d\u00fczenler ve mikrot\u00fcb\u00fcl protein modifikasyonunu ind\u00fckler. ROS ve keratin lif polimerizasyonu aras\u0131ndaki korelasyon ve mekanizma hakk\u0131nda ilgili bir rapor bulunmamaktad\u0131r. L\u00f6kamenin E'nin neden oldu\u011fu h\u00fccre iskeletinin yeniden d\u00fczenlenmesinin, ROS seviyelerinin artmas\u0131 yoluyla h\u00fccre iskeletinin yeniden d\u00fczenlenmesi ile ilgili sinyal yollar\u0131n\u0131n aktivasyonu ile tetiklendi\u011fini tahmin ediyoruz, ancak spesifik yolu do\u011frulamak i\u00e7in daha fazla ara\u015ft\u0131rmaya ihtiya\u00e7 vard\u0131r. Lai ve arkada\u015flar\u0131 naringinin HeLa h\u00fccrelerinde ROS seviyelerinde bir art\u0131\u015fa neden oldu\u011funu, ROS\/JNK\/Bcl2 yolunu aktive etti\u011fini ve h\u00fccre \u00e7o\u011falmas\u0131n\u0131 ve g\u00f6\u00e7\u00fcn\u00fc engelledi\u011fini bildirmi\u015ftir. Ara\u015ft\u0131rmam\u0131z, ROS'un h\u00fccre iskeleti sistemi \u00fczerinde sinyal molek\u00fclleri olarak hareket edebilece\u011fini, h\u00fccre hareketi s\u0131ras\u0131nda h\u00fccre iskeletinin koordineli olarak yeniden d\u00fczenlenmesine m\u00fcdahale ederek h\u00fccre g\u00f6\u00e7\u00fcn\u00fcn engellenmesine yol a\u00e7abilece\u011fini do\u011frulamaktad\u0131r. L\u00f6kamenin E'nin h\u00fccre \u00e7o\u011falmas\u0131n\u0131 inhibe etti\u011fi sinyal yolu \u00fczerinde daha derinlemesine ara\u015ft\u0131rmalara ihtiya\u00e7 vard\u0131r.<\/p>","protected":false},"excerpt":{"rendered":"<p>Study on Leukamenin E induced cytoplasmic cytoskeleton rearrangement and migration inhibition in human cervical cancer HeLa cells The microfilaments, microtubules, and intermediate fibers in eukaryotic cells are interconnected with their binding proteins to form a highly ordered three-dimensional network like cytoplasmic skeleton system. 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