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10 sources retrieved · Most recent: April 2026 · Index updated 14 days ago
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SYTL2
synaptotagmin like 2
Chromosome 11 · 11q14.1
NCBI Gene: 54843Ensembl: ENSG00000137501.18HGNC: HGNC:15585UniProt: A0A0U1RR07
51PubMed Papers
20Diseases
0Drugs
0Pathogenic Variants
DATA QUALITY
✓ Experimental GO Evidence✓ Swiss-Prot Reviewed
phosphatidylserine bindingplasma membranephosphatidylinositol-4,5-bisphosphate bindingphosphatase bindingobstructive sleep apneapsoriatic arthritisosteomyelitissleep apnea
✦AI Summary

SYTL2 (synaptotagmin-like 2) functions as a vesicle trafficking regulator with distinct roles depending on isoform and cellular context. The protein acts as a RAB27A effector that facilitates cytotoxic granule exocytosis in lymphocytes and promotes angiogenic factor trafficking in cancer cells 12. SYTL2 binds phosphatidylserine and phosphatidylinositol-4,5-bisphosphate to regulate vesicle docking and membrane recruitment processes. In cancer biology, SYTL2 demonstrates significant pathological relevance across multiple malignancies. It promotes metastatic potential in ovarian cancer through enhanced cell migration and invasiveness, with expression regulated by DNA methylation mechanisms 3. In prostate cancer, SYTL2 enhances metastasis by stabilizing FSCN1 protein and promoting pseudopodia formation 4. The protein also contributes to angiogenesis in alveolar soft part sarcoma, where ASPSCR1::TFE3 fusion protein upregulates SYTL2 along with RAB27A to facilitate trafficking of angiogenic factors like PDGFB and VWF 12. Additionally, SYTL2 serves as a diagnostic marker for thoracic aortic aneurysm, correlating with inflammatory cell infiltration 5, and shows associations with hippocampal volume changes in depression 6. These findings establish SYTL2 as a critical regulator of vesicle trafficking with significant implications in cancer metastasis and cardiovascular disease.

Sources cited
1
SYTL2 promotes metastatic potential in ovarian cancer through enhanced migration and invasiveness, regulated by DNA methylation
PMID: 27220283
2
SYTL2 serves as diagnostic marker for thoracic aortic aneurysm and correlates with inflammatory cell infiltration
PMID: 37640670
3
SYTL2 enhances prostate cancer metastasis by stabilizing FSCN1 protein and promoting pseudopodia formation
PMID: 37147713
4
SYTL2 facilitates trafficking of angiogenic factors in alveolar soft part sarcoma as part of RAB27A-SYTL2 axis
PMID: 39009511
5
ASPSCR1::TFE3 fusion protein upregulates SYTL2 and RAB27A to promote angiogenic factor trafficking in ASPS
PMID: 37029109
6
SYTL2 expression correlates with hippocampal gray matter volume changes in first-episode depression
PMID: 39955494
Disease Associationsⓘ20
obstructive sleep apneaOpen Targets
0.37Weak
psoriatic arthritisOpen Targets
0.35Weak
osteomyelitisOpen Targets
0.31Weak
sleep apneaOpen Targets
0.30Weak
mathematical abilityOpen Targets
0.12Weak
angioedemaOpen Targets
0.11Weak
dermatophytosisOpen Targets
0.10Weak
ovarian cancerOpen Targets
0.08Suggestive
cervical cancerOpen Targets
0.08Suggestive
colorectal carcinomaOpen Targets
0.08Suggestive
hepatocellular carcinomaOpen Targets
0.08Suggestive
neoplasmOpen Targets
0.08Suggestive
posterior cortical atrophyOpen Targets
0.08Suggestive
esophageal squamous cell carcinomaOpen Targets
0.08Suggestive
diabetic ketoacidosisOpen Targets
0.06Suggestive
gastric cancerOpen Targets
0.06Suggestive
Barrett's esophagusOpen Targets
0.06Suggestive
papillary thyroid carcinomaOpen Targets
0.05Suggestive
non-small cell lung carcinomaOpen Targets
0.04Suggestive
esophageal adenocarcinomaOpen Targets
0.04Suggestive
Pathogenic Variants
No pathogenic variants reported on ClinVar for this gene.
View on ClinVar ↗
Related Genes
MLPHProtein interaction100%MYO5AProtein interaction95%RAB27AProtein interaction95%RAB27BProtein interaction95%LOC107984156Shared pathway50%STX19Shared pathway50%
Tissue Expression6 tissues
Brain
100%
Heart
71%
Lung
66%
Bone Marrow
52%
Liver
42%
Ovary
29%
Gene Interaction Network
Click a node to explore
SYTL2MLPHMYO5ARAB27ARAB27BLOC107984156STX19
PROTEIN STRUCTURE
Preparing viewer…
PDB3BC1 · 1.80 Å · X-ray
View on RCSB ↗
Constraintⓘ
LOEUFⓘ
0.94LoF Tolerant
pLIⓘ
0.00Tolerant
Observed/Expected LoF0.82 [0.72–0.94]
RankingsWhere SYTL2 stands among ~20K protein-coding genes
  • #8,739of 20,598
    Most Researched51
  • #8,814of 17,882
    Most Constrained (LOEUF)0.94
Genes detectedSYTL2
Sources retrieved10 papers
Response time—
📄 Sources
10▼
1
Synaptotagmin-like protein 2 gene promotes the metastatic potential in ovarian cancer.
PMID: 27220283
Oncol Rep · 2016
1.00
2
Effects of COL1A1 and SYTL2 on inflammatory cell infiltration and poor extracellular matrix remodeling of the vascular wall in thoracic aortic aneurysm.
PMID: 37640670
Chin Med J (Engl) · 2024
0.90
3
SYTL2 promotes metastasis of prostate cancer cells by enhancing FSCN1-mediated pseudopodia formation and invasion.
PMID: 37147713
J Transl Med · 2023
0.80
4
[Alveolar Soft Part Sarcoma-The Angiogenic Mechanism Regulated by a Fusion Gene Product].
PMID: 39009511
Gan To Kagaku Ryoho · 2024
0.70
5
Lineage tracing of T cell differentiation from T-iPSC by 2D feeder-free culture and 3D organoid culture.
PMID: 38162650
Front Immunol · 2023
0.60