Sentence examples for be mediated by at from inspiring English sources

The observed neuroprotective effects of GDNF might be mediated by at least four different mechanisms: (i) reduction in NMDA-mediated calcium currents, (ii) upregulation of antiapoptotic gene expression, (iii) suppression of free radical production and/or (iv) increase in neuronal metabolic activity.

Transport of proteins across the cell-envelope compartments is essential for bacterial life and in Gram-negative species it can be mediated by at least six different secretion systems (SSs) (Saier, 2006).

These responses are thought to be mediated by at least two unrelated gene families, referred to as V1Rs [ 2] and V2Rs [ 3- 5], encoding G protein-coupled receptors (GPCRs) that are expressed on surfaces of sensory neurons in the VNO.

For example, recurrent translocations can be mediated by AT-rich palindromic repeats [ 6- 8].

The major physiological activities of angiotensin II are mediated by AT-1 receptors.

Kajstura et al. have also reported that angiotensin II increased the percentage of apoptotic cells in isolated adult rat ventricular myocytes, and this effect was mediated by AT-1 receptors [ 38].

We found that p42 MAPK inactivation is mediated by at least two distinct phosphatases, an unidentified tyrosine phosphatase and a protein phosphatase 2A-like threonine phosphatase.

suggested that the oxidation of 5-epi-aristolochene to capsidiol was mediated by at least one elicitor-inducible cytochrome P450 hydroxylase.

Uptake of UA by primary renal proximal tubule epithelial cells (PTEC) of the rabbit inhibited in vitro cell proliferation that was mediated by at least two signaling mechanisms[143].

Bacterial adhesion is mediated by at least three types of forces generated by surface polarity, pili and flagella, or specific membrane proteins.

Negative selection of autoreactive B cells is mediated by at least 3 processes: receptor editing, anergy induction and deletion [15], [16], [17].