POD1 Antibody

Mammals (Human/Mouse/Rat)

POD1 (also known as TCF-21 or epicardin) is a basic helix-loop-helix (bHLH) transcription factor essential for organogenesis. Key roles include:

• Lung and Kidney Development: Pod1 knockout mice exhibit hypoplastic lungs and kidneys with defective alveoli and glomeruli .

• Epithelial-Mesenchymal Interactions: Regulates mesenchymal properties critical for branching morphogenesis in developing organs .

• Subcellular Localization: Primarily nuclear, with roles in cell differentiation and tissue patterning .

elegans

POD-1 (coronin-like protein) governs anterior-posterior polarity and actin cytoskeleton organization during embryogenesis. Abnormal POD-1 function leads to defective cell divisions and vesicle formation .

Arabidopsis

POD1 ensures pollen tube guidance and early embryo patterning by modulating endoplasmic reticulum (ER) protein retention and interacting with chaperones like CALRETICULIN3 .

Developmental Studies

• Mouse Models: Pod1-deficient mice show disrupted glomerular maturation and lung hypoplasia, highlighting its role in mesenchymal-epithelial signaling .

• C. elegans: Antibody staining revealed dynamic cortical localization of POD-1 during embryonic cell divisions, distinct from PAR protein behavior .

Molecular Mechanisms

• ER Protein Regulation: In Arabidopsis, POD1 interacts with CRT3 to ensure proper folding of membrane receptors, critical for pollen tube guidance .

• Actin Cytoskeleton: C. elegans POD-1 regulates actin organization, influencing cell polarity and vesicle trafficking .

Applications in Research

POD1 antibodies are widely used in techniques such as:

Key Research Insights

• Clinical Relevance: While POD1 itself is not yet a therapeutic target, its regulatory roles in development inform studies on congenital organ defects .

• Conservation: Functional parallels exist between species—e.g., ER-related roles in Arabidopsis and actin regulation in C. elegans .