1 / 4

Activación linfocitos: Reactivación viral

SJ23B, un diterpeno que induce la internalización de receptores y la transcripción del VIH a través de la activación de PKCs clásicas y de la vía Ras-MEK Gesida, 23 de Octubre de 2009. 7TM. 7TM. 7TM. DAG. DAG. DAG. DAG. DAG. DAG. PIP. PIP. PIP. PIP. PIP. PIP. 2. 2. 2. 2. 2. 2.

sagira
Download Presentation

Activación linfocitos: Reactivación viral

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. SJ23B, un diterpeno que induce la internalización de receptores y la transcripción del VIH a través de la activación de PKCs clásicas y de la vía Ras-MEK Gesida, 23 de Octubre de 2009 7TM 7TM 7TM DAG DAG DAG DAG DAG DAG PIP PIP PIP PIP PIP PIP 2 2 2 2 2 2 PLC PLC PLC PLC PLC PLC - - - - - - b b b b b b GTP GTP GTP GTP GTP GTP a a a a a a PKC PKC PKC q q q q q q Diterpenos Euphorbia hiberna Croton tiglium Homolanthus nutans Internaliza receptores Activa transcripción vía NF-B No tumorogénico Latently infected lymphocytes Reactivadores Euphorbiaeae ART Activación linfocitos: Reactivación viral

  2. Actividad anti-VIH NL4.3 NL4.3 - - Ren Ren Prostratin PBMCs Viability Viability SJ23B 90 90 Delta VSV Luc 300% 100 100 JR Renilla NL4.3 Renilla 250% 70 70 160% 160% % 200% 50 50 % RLUs 120% 120% 150% 50 50 RLUs Viability 30 30 80% 80% 100% % 40% 40% 50% 10 10 0% 0% 0% 0 0.0001 0.0001 0.001 0.001 0.01 0.01 0.1 0.1 1 1 10 10 100 100 1000 1000 µ µ M M µ µ µ M M M 0 0 0,1 0,1 1 1 0 0 0 0 0,1 0,1 0,1 0,1 µ µ µ µ M M M M 1 1 1 1 µ µ M M 0 0 0,1 0,1 µ µ M M 1 1 µ µ M M µ µ M M Tumorogénesis Receptores Control PMA SJ23B Control PMA 0,1 µM 1 µ M SJ23B CD4 80 80 SJ23B CXCR4 SJ23B CCR5 100 100 40 40 60 60 80 80 60 60 Expression Expression 40 40 20 20 40 40 20 20 PKCα-GFP % % 20 20 0 0 0 0 0 0 GFP 0 0 20 20 40 40 60 60 0 0 20 20 40 40 60 60 0 0 20 20 40 40 60 60 120 120 hours 6 LTR Luc LTR - Luc + IMEK hours hours hours hours Transcripción 6 VIH 100 100 ) ) 4 80 80 RLUs Expression 4 RLUs ( ( 60 60 Fold 2 2 Fold 40 40 % GFP 20 20 0 0 0 0 0,1 0,1 0,01 0,01 0,1 0,1 1 0 0,1 0,01 0,1 1 0 0 Rottlerin PKC  novel Go6983 Pan PKC Go6976 Clasical Go6850 Clasical & novel Control PMA SJ23B PMA SJ23B µM µM RESULTADOS

  3. ? Efecto dual SJ23B PKC IKK NF-B MEK MEK LTR VIH SJ23B - + MEK

More Related