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Full-Text Articles in Molecular Biology
Molecular Mechanisms Underlying The Contralateral Repeated Bout Effect (Crbe) In Human Skeletal Muscle, Ling Xin
Doctoral Dissertations
Eccentric (muscle lengthening) exercise induces temporary muscle damage that can lead to long-term muscle adaptation, a process known as the repeated bout effect where subsequent exercise results in less damage. The existence of a contralateral repeated bout effect (CRBE) has been controversial. The primary goals of this study were to: 1) validate the existence of the CRBE; and 2) define the underlying molecular mechanisms. Thirty-six young men performed 100 maximal eccentric actions of the knee extensors using one leg (bout 1) and repeated the exercise with the contralateral leg five weeks later (bout 2). Vastus lateralis muscle biopsies were …
Contribution Of Taxane Biosynthetic Pathway Gene Expression To Observed Variability In Paclitaxel Accumulation In Taxus Suspension Cultures, Rohan A. Patil, Martin E. Kolewe, Jennifer Normanly, Elsbeth L. Walker, Susan C. Roberts
Contribution Of Taxane Biosynthetic Pathway Gene Expression To Observed Variability In Paclitaxel Accumulation In Taxus Suspension Cultures, Rohan A. Patil, Martin E. Kolewe, Jennifer Normanly, Elsbeth L. Walker, Susan C. Roberts
Jennifer Normanly
Variability in product accumulation is one of the major obstacles limiting the widespread commercialization of plant cell culture technology to supply natural product pharmaceuticals. Despite extensive process engineering efforts, which have led to increased yields, plant cells exhibit variability in productivity that is poorly understood. Elicitation of Taxus cultures with methyl jasmonate (MeJA) induces paclitaxel accumulation, but to varying extents in different cultures. In this work, cultures with different aggregation profiles were established to create predictable differences in paclitaxel accumulation upon MeJA elicitation. Expression of known paclitaxel biosynthetic genes in MeJA-elicited cultures exhibiting both substantial (15-fold) and moderate (2-fold) differences …