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Human Spinal Cord Association Neuron Differentiation

$260
100 µl
APPLICATIONS
REACTIVITY
Human, Mouse

Application Methods: Western Blotting

Background: LMO4 is a LIM zinc-binding domain-containing protein. LMO4 cDNA was first isolated from a breast tumor cDNA library (1). This transcriptional modulator is overexpressed in several epithelial cancers such as prostate, pancreas, and breast (2-4). LMO4 exhibits pro-oncogenic activities by inducing centrosome amplification and mitotic spindle abnormalities (5). LMO4 is also expressed in the brain, in regions involved in learning and the regulation of motivated behavior. In the basolateral amygdala, LMO4 functions to negatively regulate fear learning (6). Furthermore, in the nucleus accumbens, LMO4 was found to regulate the behavioral effects of cocaine (7).

$260
100 µl
APPLICATIONS
REACTIVITY
Human

Application Methods: Western Blotting

Background: Paired box (PAX) proteins are a family of transcription factors that play important and diverse roles in animal development (1). Nine PAX proteins (PAX1-9) have been described in humans and other mammals. They are defined by the presence of an amino-terminal "paired" domain, consisting of two helix-turn-helix motifs, with DNA binding activity (2). PAX proteins are classified into four structurally distinct subgroups (I-IV) based on the absence or presence of a carboxy-terminal homeodomain and a central octapeptide region. Subgroup I (PAX1 and 9) contains the octapeptide but lacks the homeodomain; subgroup II (PAX2, 5, and 8) contains the octapeptide and a truncated homeodomain; subgroup III (PAX3 and 7) contains the octapeptide and a complete homeodomain; and subgroup IV (PAX4 and 6) contains a complete homeodomain but lacks the octapeptide region (2). PAX proteins play critically important roles in development by regulating transcriptional networks responsible for embryonic patterning and organogenesis (3); a subset of PAX proteins also maintain functional importance during postnatal development (4). Research studies have implicated genetic mutations that result in aberrant expression of PAX genes in a number of cancer subtypes (1-3), with members of subgroups II and III identified as potential mediators of tumor progression (2).

$260
100 µl
APPLICATIONS
REACTIVITY
Human

Application Methods: Western Blotting

Background: The basic helix-loop-helix (bHLH) family of transcription factors play roles in a variety of developmental and adult biological settings (1). The basic (b) domain of bHLH transcription factors allows association with DNA, while the HLH domain facilitates the mono- and heterodimeric interactions required for efficient DNA binding (1). TAL1, also known as SCL, is a bHLH transcription factor that plays an essential role in the generation of embryonic hematopoietic stem cells (2), and is required for maturation of erythroid and megakaryocytic lineages in the adult (3). TAL1 interacts with Lim-domain containing proteins LMO2 and Ldb1, and has been found in complexes with these proteins as well as the hematopoietic transcription factor GATA-1 (4). Both TAL1 and LMO2 have been associated with T-cell acute lymphoblastic leukemia (T-ALL) (5,6). TAL1 activity is essential for both hematopoiesis and neurogenesis (7).