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CREB Control Cell Extracts #9193
Gallery: CREB Control Cell Extracts #9193
Nonphosphorylated CREB Cell Extracts: Total cell extracts from SK-N-MC cells prepared without treatment serve as a negative control. Supplied in SDS sample buffer.
Phosphorylated CREB Cell Extracts: Total cell extracts from SK-N-MC cells prepared with Forskolin #3828 and IBMX treatment serve as a positive control. Supplied in SDS sample buffer.
CREB is a bZIP transcription factor that activates target genes through cAMP response elements. CREB is able to mediate signals from numerous physiological stimuli, resulting in regulation of a broad array of cellular responses. While CREB is expressed in numerous tissues, it plays a large regulatory role in the nervous system. CREB is believed to play a key role in promoting neuronal survival, precursor proliferation, neurite outgrowth, and neuronal differentiation in certain neuronal populations (1-3). Additionally, CREB signaling is involved in learning and memory in several organisms (4-6). CREB is able to selectively activate numerous downstream genes through interactions with different dimerization partners. CREB is activated by phosphorylation at Ser133 by various signaling pathways including Erk, Ca2+, and stress signaling. Some of the kinases involved in phosphorylating CREB at Ser133 are p90RSK, MSK, CaMKIV, and MAPKAPK-2 (7-9).
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