Jpt2 Gene Jupiter Microtubule Stabilizing Protein 2 is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
Jpt2 Gene Jupiter Microtubule Stabilizing Protein 2 is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
<table class="infobox infobox-gene">
<tr>
<th class="infobox-header" colspan="2">JPT2 — Jupiter Microtubule Stabilizing Protein 2</th>
</tr>
<tr>
<td class="label">Symbol</td>
<td><strong>JPT2</strong></td>
</tr>
<tr>
<td class="label">Full Name</td>
<td>Jupiter Microtubule Stabilizing Protein 2</td>
</tr>
<tr>
<td class="label">Chromosome</td>
<td>2p23.3</td>
</tr>
<tr>
<td class="label">NCBI Gene</td>
<td><a href="https://www.ncbi.nlm.nih.gov/gene/54894" target="_blank">54894</a></td>
</tr>
<tr>
<td class="label">Ensembl</td>
<td><a href="https://ensembl.org/Homo_sapiens/Gene/Summary?g=ENSG00000144659" target="_blank">ENSG00000144659</a></td>
</tr>
<tr>
<td class="label">UniProt</td>
<td><a href="https://www.uniprot.org/uniprot/Q9Y3R5" target="_blank">Q9Y3R5</a></td>
</tr>
<tr>
<td class="label">Protein Length</td>
<td>175 amino acids</td>
</tr>
<tr>
<td class="label">Molecular Weight</td>
<td>19.5 kDa</td>
</tr>
<tr>
<td class="label">Brain Expression</td>
<td>High: motor [cortex](/brain-regions/cortex), [hippocampus](/brain-regions/hippocampus), cerebellum</td>
</tr>
<tr>
<td class="label">Subcellular Localization</td>
<td>Cytoplasm, Microtubules, Centrosome</td>
</tr>
<tr>
<td class="label">Associated Diseases</td>
<td>Amyotrophic Lateral Sclerosis, Spinocerebellar Ataxia</td>
</tr>
</table>
JPT2 (Jupiter Microtubule Stabilizing Protein 2) is a gene located on chromosome 2p23.3 that encodes a microtubule-stabilizing protein essential for neuronal cytoskeletal integrity and synaptic function[@ncbi]. The JPT2 protein (175 amino acids, ~19.5 kDa) belongs to the Jupiter protein family, which is conserved across eukaryotes and plays critical roles in microtubule dynamics, cell division, and neuronal morphogenesis[@var].
Mutations in JPT2 have been implicated in amyotrophic lateral sclerosis (ALS) and spinocerebellar ataxia (SCA), linking microtubule dysfunction to motor neuron degeneration and cerebellar pathology[@various][@jpt].
The JPT2 gene spans approximately 8 kb on chromosome 2p23.3 and contains 5 exons. The gene encodes a single protein isoform predominantly expressed in neural tissues.
JPT2 directly binds to microtubules and promotes their stability through several mechanisms[@var]:
JPT2 is highly expressed in the central nervous system[@ncbi]:
JPT2 mutations have been identified in ALS patients, linking microtubule dysfunction to motor neuron degeneration[@various]:
Pathogenic mechanisms:
JPT2 variants have been associated with autosomal dominant spinocerebellar ataxia[@jpt]:
Clinical features:
Loss of JPT2 function leads to microtubule instability[@var]:
JPT2 deficiency impairs axonal transport through:
Several approaches are being explored:
The study of Jpt2 Gene Jupiter Microtubule Stabilizing Protein 2 has evolved significantly over the past decades. Research in this area has revealed important insights into the underlying mechanisms of neurodegeneration and continues to drive therapeutic development.
Historical context and key discoveries in this field have shaped our current understanding and will continue to guide future research directions.