| 2000 |
Rab37 is a novel Rab GTPase specifically expressed in mast cells and localizes to secretory granules, as shown by GFP-tagged Rab37 expression in bone marrow mast cells. |
GFP-tagging and fluorescence microscopy in bone marrow mast cells |
FEBS letters |
Medium |
10722846
|
| 2011 |
Rab37 controls TNF-α secretion from activated macrophages by interacting with Munc13-1; TNF-α-containing vesicles co-localize with both Rab37 and Munc13-1, and knockdown of either Rab37 or Munc13-1 reduces TNF-α secretion. |
siRNA knockdown, overexpression, LC-MS/MS interactome, immunocytochemistry co-localization |
European journal of immunology |
Medium |
21805469
|
| 2011 |
Rab37 is a substrate of methionine aminopeptidase-2 (MetAP-2); aberrant accumulation of Rab37 due to MetAP-2 inhibition (TNP-470) disrupts Wnt planar cell polarity (PCP) signaling, demonstrated using a NME-resistant Rab37 point mutant that phenocopies MetAP-2 inhibition. |
Point mutant expression, MetAP-2 inhibitor TNP-470, Wnt PCP signaling assays |
Chemistry & biology |
Medium |
22035799
|
| 2013 |
Rab37 localizes to insulin-containing large dense core granules in pancreatic β-cells and is required for glucose-induced insulin secretion and granule docking at the plasma membrane; Rab37 does not interact with known Rab3a or Rab27a effectors, indicating a distinct mechanism. |
Confocal microscopy, RNA interference, granule apposition counting, pull-down assays |
PloS one |
Medium |
23826383
|
| 2014 |
Rab37 mediates exocytosis of TIMP1 in a nucleotide (GTP)-dependent manner; TIMP1 is a direct cargo of Rab37 vesicles, and its secretion suppresses MMP9 activity and cancer cell migration/metastasis in vitro and in vivo. |
Secretomics, co-localization imaging, nucleotide-binding mutants, in vitro migration assays, mouse metastasis models |
Nature communications |
High |
25183545
|
| 2016 |
Rab37 negatively regulates mast cell degranulation by interacting with Munc13-4 in a GTP-independent manner, forming a Rab27-Munc13-4-Rab37 complex that counteracts the vesicle-priming activity of the Rab27-Munc13-4 system. |
siRNA knockdown, dominant-active mutant overexpression, co-immunoprecipitation, co-localization in RBL-2H3 cells |
Scientific reports |
High |
26931073
|
| 2016 |
Rab37 mediates exocytosis of thrombospondin-1 (TSP1) from cancer cells; secreted TSP1 inhibits p-FAK/p-paxillin/p-ERK migration signaling in both cancer epithelial cells and endothelial cells to suppress angiogenesis and metastasis. |
Cell migration/invasion assays, in vivo angiogenesis and metastasis models, TSP1 secretion assays |
Clinical cancer research |
Medium |
28151721
|
| 2017 |
PKCα phosphorylates Rab37 at threonine 172 (T172), which reduces Rab37 GTP-bound state, impairs co-localization of Rab37 with TIMP1 vesicles, and inhibits TIMP1 exocytosis, thereby enhancing lung cancer metastasis. Phospho-mimetic T172D mutant promotes metastasis in vivo. |
In vitro kinase assay, phospho-mimetic and phospho-dead mutagenesis, co-localization imaging, in vivo mouse metastasis model |
Oncotarget |
High |
29312551
|
| 2017 |
GTP-bound RAB37 directly binds ATG5 and promotes assembly of the ATG5-ATG12-ATG16L1 complex on isolation membranes, thereby facilitating LC3B lipidation and autophagosome formation. GDP-stabilized RAB37 mutant impairs this interaction. |
Co-immunoprecipitation, GTPase mutant analysis, LC3B lipidation assay, autophagosome formation assay, RAB37 knockdown/overexpression |
Cell death and differentiation |
High |
29229996
|
| 2018 |
Rab37 mediates exocytosis of SFRP1 (an extracellular Wnt antagonist), and SFRP1 secretion is required for Rab37-mediated suppression of Wnt signaling and cancer stemness in vitro and in vivo. |
Reconstitution experiments, xenograft tumor initiation assay, recombinant SFRP1 rescue, Wnt signaling reporters |
Cell death & disease |
Medium |
30158579
|
| 2018 |
Rab37 mediates exocytosis of soluble ST2 (sST2) from lung cancer cells; secreted sST2 skews macrophage polarization toward anti-tumoral M1-like phenotype and suppresses tumor growth in xenografts. |
sST2 secretion assay, macrophage polarization assay, xenograft mouse model |
International journal of cancer |
Medium |
29717487
|
| 2018 |
VAMP8 (a v-SNARE) interacts with RAB37 and is required for RAB37-mediated vesicle trafficking and exocytosis of TIMP1; VAMP8 co-localizes with RAB37 and TIMP1 vesicles and is essential for metastasis suppression in vivo. |
Co-immunoprecipitation, confocal and TIRF microscopy, in vivo reconstitution (tail-vein and lung-to-lung metastasis models) |
Cancer letters |
High |
30165196
|
| 2018 |
RAB37 co-localizes with TIMP2, regulates TIMP2 secretion, and inhibits downstream MMP2 activity to suppress nasopharyngeal carcinoma metastasis; RAB37 promoter hypermethylation silences this pathway. |
Co-localization assay, TIMP2 secretion assay, MMP2 activity assay, RAB37 overexpression/knockdown |
Clinical cancer research |
Medium |
30131385
|
| 2020 |
PKCα phosphorylates RAB37 to inactivate it; methionine promotes RAB37 methylation and phosphorylation via suppression of the miR-200b/PKCα axis, thereby repressing RAB37-mediated autophagy in gastric cancer stem cells. |
Lentiviral methionine-γ-lyase overexpression, miR-200b measurement, PKCα knockdown, autophagy assays, in vivo tumor model |
Cell cycle |
Medium |
32926650
|
| 2021 |
Rab37 regulates IL-6 secretion in a GTPase-dependent manner in macrophages; macrophage-derived IL-6 promotes STAT3-dependent PD-1 mRNA expression in CD8+ T cells, linking Rab37 vesicle trafficking to immunosuppression. This was validated in Rab37 knockout mice and with vesicle isolation. |
Rab37 KO mice, vesicle isolation, GTPase mutants, ChIP assay for STAT3 at PD-1 promoter, imaging |
Theranostics |
High |
34093869
|
| 2021 |
RAB37 directly interacts with TIMP1 and promotes adipogenic differentiation of hADSCs via the TIMP1/CD63/integrin β1 signaling pathway, as shown by proximity ligation assay and FAK phosphorylation. |
Proximity ligation assay, TIMP1 ELISA, CD63/integrin β1 knockdown, FAK phosphorylation assay, Oil Red O staining |
Stem cells international |
Medium |
34858503
|
| 2022 |
Rab37 mediates CHI3L1 (chitinase-3-like-1) intracellular vesicle trafficking and exocytosis in a GTP-dependent manner in T cells and macrophages; this was abolished in Rab37 KO mice splenocytes/BMDMs and in cells expressing inactive Rab37. |
Rab37 KO mice, vesicle isolation, TIRF and confocal microscopy, GTPase mutants |
Theranostics |
High |
34987649
|
| 2022 |
Secretory autophagy promotes Rab37-mediated TIMP1 exocytosis; Rab37 and Sec22b co-localize in purified autophagosomes, and silencing of ATG5, ATG7, or Sec22b reduces TIMP1 secretion under starvation-induced autophagy conditions. |
Autophagosome purification, co-localization imaging, ATG5/ATG7/Sec22b knockdown, TIMP1 secretion assay, in vivo lung-to-lung metastasis mouse model |
Journal of biomedical science |
High |
36457117
|
| 2023 |
Active (GTP-bound) RAB37 simultaneously regulates autophagy activation and TIMP1 secretion via secretory autophagy; Sec22b (SNARE) is required for this pathway, and starvation-activated RAB37 enhances TIMP1 exocytosis in a Sec22b-dependent manner. |
GTPase mutants, Sec22b knockdown, TIMP1 secretion assay, in vivo mouse model, autophagy markers |
Autophagy |
Medium |
37151129
|
| 2023 |
Rab37 directly binds Hsp90α and TIMP1 (shown by proximity ligation assay) and promotes their secretion from ADSCs; this regulates endothelial differentiation and diabetic wound healing. |
LC-MS/MS, ELISA, proximity ligation assay, Hsp90α/TIMP1 knockdown, in vivo diabetic wound model |
Stem cell reviews and reports |
Medium |
36627432
|
| 2024 |
RPGR (retinitis pigmentosa GTPase regulator) is a guanine nucleotide exchange factor (GEF) for RAB37; RPGR directly interacts with RAB37 via its RCC1-like domain and accelerates GDP-to-GTP exchange to promote autophagy. Rpgr KO mice show photoreceptor degeneration due to autophagy impairment, rescued by AAV-mediated RPGR re-expression. |
GEF activity assay (GDP-to-GTP exchange kinetics), co-immunoprecipitation, Rpgr KO mice, AAV rescue, autophagy markers |
Cell reports |
High |
38536817
|
| 2024 |
Rab37 mediates trafficking and plasma membrane presentation of PD-1 in T cells in a GTP-dependent manner; glycosylation-deficient PD-1 mutant delays recruitment to Rab37 vesicles, stalling membrane presentation. Rab37 KO mice show increased T cell activity in tumors. |
GTPase mutants, co-localization imaging, glycosylation mutant, Rab37 KO mice, T cell functional assays |
Journal of biomedical science |
High |
38321486
|
| 2024 |
RAB37-mediated autophagy is required for ovarian homeostasis and follicular development; conditional knockout of Rab37 in oocytes impairs autophagy, disrupts follicular homeostasis, and causes ovarian dysfunction in mice. E2F1 and EGR2 transcription factors synergistically activate Rab37 transcription. |
Conditional KO mice (oocyte-specific), autophagy markers, transcription factor ChIP/reporter assays, flunarizine rescue |
Autophagy |
Medium |
39113565
|
| 2024 |
RAB37 promotes autophagic degradation of β-catenin by strengthening the interaction between p62 and β-catenin; this suppresses EMT, migration and invasion of gastric cancer cells in a GTPase activity-dependent manner, reversed by autophagy inhibitor chloroquine. |
Co-immunoprecipitation, autophagy inhibitor rescue (chloroquine), GTPase activity mutants, wound healing/transwell assays, in vivo pulmonary metastasis model |
Cellular oncology |
Medium |
39699800
|
| 2025 |
GDP-bound (inactive) Rab37 interacts with the nuclear localization sequence of STAT1 in the cytosol, sequestering it from nuclear translocation and transcription, thereby downregulating type I IFN pathway genes and promoting M2-like TAM polarization. |
cDNA microarray (Rab37 KO vs WT BMDMs), co-immunoprecipitation with NLS of STAT1, STAT1 nuclear translocation assay, in vitro/in vivo assays |
British journal of cancer |
Medium |
39984679
|
| 2026 |
Rab37 promotes OPN (osteopontin) secretion in macrophages, which activates STAT3 signaling in an autocrine loop to sustain Spp1+ TAM polarization and paracrine promotion of lung cancer cell proliferation/invasion. |
Single-cell RNA sequencing, Rab37 KO mice, OPN secretion assay, STAT3 signaling assay, in vivo tumor models |
Oncogenesis |
Medium |
41535255
|