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Full-Text Articles in Medicine and Health Sciences

Diabetes Alters Contraction-Induced Mitogen Activated Protein Kinase Activation In The Rat Soleus And Plantaris, Anjaiah Katta, Deborah L. Preston, Sunil K. Kakarla, Shinichi Asano, Sarath Meduru, Sriram P. Mupparaju, Ellie Yokochi, Kevin M. Rice, Devashish H. Desai, Eric R. Blough Feb 2008

Diabetes Alters Contraction-Induced Mitogen Activated Protein Kinase Activation In The Rat Soleus And Plantaris, Anjaiah Katta, Deborah L. Preston, Sunil K. Kakarla, Shinichi Asano, Sarath Meduru, Sriram P. Mupparaju, Ellie Yokochi, Kevin M. Rice, Devashish H. Desai, Eric R. Blough

MIIR Faculty Research

The prescription of anaerobic exercise has recently been advocated for the management of diabetes; however exercise-induced signaling in diabetic muscle remains largely unexplored. Evidence from exercise studies in nondiabetics suggests that the extracellular-signal-regulated kinases (Erk1/2), p38, and c-JUN NH2-terminal kinase (Jnk) mitogen-activated protein kinases (MAPKs) are important regulators of muscle adaptation. Here, we compare the basal and the in situ contraction-induced phosphorylation of Erk1/2- p38- and Jnk-MAPK and their downstream targets (p90rsk and MAPKAP-K2) in the plantaris and soleus muscles of normal and obese (fa/fa) Zucker rats. Compared to lean animals, the time course and magnitude of Erk1/2, p90rsk and …


Association Of Epstein-Barr Virus With Nasopharyngeal Carcinoma And Current Status Of Development Of Cancer-Derived Cell Lines, Charles A. Gullo Phd, Wong Kein Low, Gerrard Teoh Jan 2008

Association Of Epstein-Barr Virus With Nasopharyngeal Carcinoma And Current Status Of Development Of Cancer-Derived Cell Lines, Charles A. Gullo Phd, Wong Kein Low, Gerrard Teoh

Biochemistry and Microbiology

It is well known that the Epstein-Barr virus (EBV) contributes directly to tumourigenesis in nasopharyngeal carcinoma (NPC), primarily in the undifferentiated form of NPC (WHO type III; UNPC or UC), which is commonly found in South East Asia. Unfortunately, research in NPC has been severely hampered by the lack of authentic EBV-positive (EBV+) human NPC cell lines for study. Since 1975, there have been more than 20 reported NPC cell lines. However, many of these NPC-derived cell lines do not express EBV transcripts in long-term culture, and therefore that finding may dispute the fundamental theory of NPC carcinogenesis. In fact, …