General Information:
Id: | 3,680 |
Mus musculus | |
C57BL/6 (B6-Ly5.2)/(B6-Ly5.1); Mx-1-Cre, 2 month-old; Tgfbr2flox/-Rag2-/- mice | |
Reference: | Yamazaki S et al.(2011) Nonmyelinating Schwann cells maintain hematopoietic stem cell hibernation in the bone marrow niche Cell 147: 1146-1158 [PMID: 22118468] |
Interaction Information:
Comment | TGF-beta binds to its receptor composed of Tgf-betaRII and TGF-betaRI. [Method: cited information] |
Formal Description Interaction-ID: 35281 |
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Drugbank entries | Show/Hide entries for Tgfbr1 or Tgfbr2 |
Comment | TGF-beta binds to its receptor composed of Tgf-betaRII and TGF-betaRI. [Method: cited information] |
Formal Description Interaction-ID: 35282 |
complex/PPI Tgf-beta receptor increases_activity of |
Comment | TGF-beta binds to its receptor composed of Tgf-betaRII and TGF-betaRI. [Method: cited information] |
Formal Description Interaction-ID: 35283 |
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Drugbank entries | Show/Hide entries for Tgfbr1 |
Comment | TGF-beta binds to its receptor composed of Tgf-betaRII and TGF-betaRI. [Method: cited information] |
Formal Description Interaction-ID: 35284 |
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Drugbank entries | Show/Hide entries for Tgfbr2 |
Comment | Activated Tgf-beta receptor RI/RII phosphorylates Smad2 and 3. In HSC (CD150+CD48-CD41-Lin-) Smad2 and 3 are phosphorylated. [Method: BM section, FACS, fluorescence photomicrographs] |
Formal Description Interaction-ID: 35285 |
complex/PPI Tgf-beta receptor increases_phosphorylation of gene/protein |
Drugbank entries | Show/Hide entries for Smad2 |
Comment | Activated Tgf-beta receptor RI/RII phosphorylates Smad2 and 3. In HSC (CD150+CD48-CD41-Lin-) Smad2 and 3 are phosphorylated. [Method: BM section, FACS, fluorescence photomicrographs] |
Formal Description Interaction-ID: 35286 |
complex/PPI Tgf-beta receptor increases_phosphorylation of gene/protein |
Comment | Tgfbr2-deficient HSCs were associated with reduced p-Smad2/3, increased cycling, and reduced long-term repopulating activity in HSCs. These results demonstrated for the first time that TGF-beta/Smad signaling is active in BM HSCs and maintains their dormancy. [Method: Tgfbr2-deficient mice, BM section, FACS, fluorescence photomicrographs] |
Formal Description Interaction-ID: 35287 |
gene/protein increases_activity of process |
Drugbank entries | Show/Hide entries for Tgfbr2 |
Comment | Loss of Tgfbr2 was associated with reduced p-Smad2/3, increased cycling, and reduced long-term repopulating activity in HSCs. These results demonstrated for the first time that TGF-beta/Smad signaling is active in BM HSCs and maintains their dormancy. [Method: cell cycle analysis in Tgfbr2-deficient HSCs (CD34-KSL)] |
Formal Description Interaction-ID: 35288 |
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Drugbank entries | Show/Hide entries for Tgfbr2 |
Comment | Loss of Tgfbr2 was associated with reduced p-Smad2/3, increased cycling, and reduced long-term repopulating activity in HSCs. These results demonstrated for the first time that TGF-beta/Smad signaling is active in BM HSCs and maintains their dormancy. [Method: cell cycle analysis in Tgfbr2-deficient HSCs (CD34-KSL)] |
Formal Description Interaction-ID: 35289 |
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Drugbank entries | Show/Hide entries for Tgfbr2 |
Comment | Loss of Tgfbr2 was associated with reduced p-Smad2/3, increased cycling, and reduced long-term repopulating activity in HSCs. These results demonstrated for the first time that TGF-beta/Smad signaling is active in BM HSCs and maintains their dormancy. [Method: competitive repopulation assay, BM cells from Tgfbr2del/-Rag2-/- mice transplanted transplanted into B6-Ly5.2 mice, PB analysis after 16 weeks] |
Formal Description Interaction-ID: 35290 |
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Drugbank entries | Show/Hide entries for Tgfbr2 |
Comment | GFAP-positive glial cells (Schwann cells) express integrin-b8 in BM. [Method: glial cells, qRT-PCR] |
Formal Description Interaction-ID: 35291 |
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Comment | Itgb8 activates Tgfbeta receptor, most likely by facilitating proteolytic degradation of LAP, which keeps the receptor in an inactive state, by matrix metalloproteinases. [Method: cited information] |
Formal Description Interaction-ID: 35292 |
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Comment | All GFAP-positive cells were positive for nestin and were positive for active Tgf-beta. [Method: immunohistochemistry] |
Formal Description Interaction-ID: 35293 |
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Comment | All GFAP-positive cells were positive for nestin and were positive for active Tgf-beta. [Method: immunohistochemistry] |
Formal Description Interaction-ID: 35294 |
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Drugbank entries | Show/Hide entries for Tgfbr2 |
Comment | Itgb8 activates Tgfbeta receptor, most likely by facilitating proteolytic degradation of LAP, which keeps the receptor in an inactive state, by matrix metalloproteinases. [Method: cited information] |
Formal Description Interaction-ID: 35295 |
gene/protein increases_activity of |
Comment | Loss of Tgfbr2 was associated with reduced p-Smad2/3, increased cycling, and reduced long-term repopulating activity in HSCs. These results demonstrated for the first time that TGF-beta/Smad signaling is active in BM HSCs and maintains their dormancy. [Method: BM section, FACS, fluorescence photomicrographs] |
Formal Description Interaction-ID: 35296 |
increases_activity of process |
Comment | GFAP-expressing glial cells were in direct contact with about 23% of CD150+CD48-CD41-Lin- HSCs, whereas about 13% and 30% of HSCs were in contact, respectively, with osteocalcin-expressing osteoblastic cells and VE-cadherin expressing vascular cells. [Method: fluorescence micrographs] |
Formal Description Interaction-ID: 35297 |
tissue/cell line non-myelinated Schwann cell (GFAP+) interacts (colocalizes) with Immunophenotype HSC (CD150+CD48-CD41-Lin-) |
Comment | GFAP-expressing glial cells were in direct contact with about 23% of CD150+CD48-CD41-Lin- HSCs, whereas about 13% and 30% of HSCs were in contact, respectively, with osteocalcin-expressing osteoblastic cells and VE-cadherin expressing vascular cells. [Method: fluorescence micrographs] |
Formal Description Interaction-ID: 35298 |
tissue/cell line osteoblast (osteocalcin+) interacts (colocalizes) with Immunophenotype HSC (CD150+CD48-CD41-Lin-) |
Comment | GFAP-expressing glial cells were in direct contact with about 23% of CD150+CD48-CD41-Lin- HSCs, whereas about 13% and 30% of HSCs were in contact, respectively, with osteocalcin-expressing osteoblastic cells and VE-cadherin expressing vascular cells. [Method: fluorescence micrographs] |
Formal Description Interaction-ID: 35299 |
tissue/cell line sinusoidal endothelium (VE-cadherin+) interacts (colocalizes) with Immunophenotype HSC (CD150+CD48-CD41-Lin-) |
Comment | Schwann cells prepared from sciatic nerves expressed Tgfb1, Tgfb2, and Tgfb3 as well as Itgb8. Surprisingly, they also expressed major HSC niche factor genes, including Cxcl12, c-kit ligand (kitl), anginpoitin-1 (Angpt1), and Tpo. [Method: GFAP-positive primary glial cells were prepared from the sciatic nerve of adult C57BL/6 GFAP-GFP mice, qRT-PCR] |
Formal Description Interaction-ID: 35300 |
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Drugbank entries | Show/Hide entries for Tgfb1 |
Comment | Schwann cells prepared from sciatic nerves expressed Tgfb1, Tgfb2, and Tgfb3 as well as Itgb8. Surprisingly, they also expressed major HSC niche factor genes, including Cxcl12, c-kit ligand (kitl), anginpoitin-1 (Angpt1), and Tpo. [Method: GFAP-positive primary glial cells were prepared from the sciatic nerve of adult C57BL/6 GFAP-GFP mice, qRT-PCR] |
Formal Description Interaction-ID: 35301 |
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Comment | Schwann cells prepared from sciatic nerves expressed Tgfb1, Tgfb2, and Tgfb3 as well as Itgb8. Surprisingly, they also expressed major HSC niche factor genes, including Cxcl12, c-kit ligand (kitl), anginpoitin-1 (Angpt1), and Tpo. [Method: GFAP-positive primary glial cells were prepared from the sciatic nerve of adult C57BL/6 GFAP-GFP mice, qRT-PCR] |
Formal Description Interaction-ID: 35302 |
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Drugbank entries | Show/Hide entries for Tgfb3 |
Comment | Schwann cells prepared from sciatic nerves expressed Tgfb1, Tgfb2, and Tgfb3 as well as Itgb8. Surprisingly, they also expressed major HSC niche factor genes, including Cxcl12, c-kit ligand (kitl), anginpoitin-1 (Angpt1), and Tpo. [Method: GFAP-positive primary glial cells were prepared from the sciatic nerve of adult C57BL/6 GFAP-GFP mice, qRT-PCR] |
Formal Description Interaction-ID: 35303 |
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Comment | Schwann cells prepared from sciatic nerves expressed Tgfb1, Tgfb2, and Tgfb3 as well as Itgb8. Surprisingly, they also expressed major HSC niche factor genes, including Cxcl12, c-kit ligand (kitl), anginpoitin-1 (Angpt1), and Tpo. [Method: GFAP-positive primary glial cells were prepared from the sciatic nerve of adult C57BL/6 GFAP-GFP mice, qRT-PCR] |
Formal Description Interaction-ID: 35304 |
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Drugbank entries | Show/Hide entries for Cxcl12 |
Comment | Schwann cells prepared from sciatic nerves expressed Tgfb1, Tgfb2, and Tgfb3 as well as Itgb8. Surprisingly, they also expressed major HSC niche factor genes, including Cxcl12, c-kit ligand (kitl), anginpoitin-1 (Angpt1), and Tpo. [Method: GFAP-positive primary glial cells were prepared from the sciatic nerve of adult C57BL/6 GFAP-GFP mice, qRT-PCR] |
Formal Description Interaction-ID: 35305 |
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Comment | Schwann cells prepared from sciatic nerves expressed Tgfb1, Tgfb2, and Tgfb3 as well as Itgb8. Surprisingly, they also expressed major HSC niche factor genes, including Cxcl12, c-kit ligand (kitl), anginpoitin-1 (Angpt1), and Tpo. [Method: GFAP-positive primary glial cells were prepared from the sciatic nerve of adult C57BL/6 GFAP-GFP mice, qRT-PCR] |
Formal Description Interaction-ID: 35306 |
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Comment | Schwann cells prepared from sciatic nerves expressed Tgfb1, Tgfb2, and Tgfb3 as well as Itgb8. Surprisingly, they also expressed major HSC niche factor genes, including Cxcl12, c-kit ligand (kitl), anginpoitin-1 (Angpt1), and Tpo. [Method: GFAP-positive primary glial cells were prepared from the sciatic nerve of adult C57BL/6 GFAP-GFP mice, qRT-PCR] |
Formal Description Interaction-ID: 35307 |
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Comment | Loss of GFAP-positive cells results in loss of HSC (CD34-KSL). [Method: Glial cells deleted via Wallerian degeneration, frequency of CD34-KSL cells] |
Formal Description Interaction-ID: 35308 |
tissue/cell line non-myelinated Schwann cell (GFAP+) increases_quantity of Immunophenotype HSC (CD34-KSL) |
Comment | Glial cells are responsible for the maintenance of HSC hibernation in BM by regulating the process by which latent TGF-beta is activated. [Method: CD34-KSL cells after denervation of sympathetic nerves, BrdU-labeling] |
Formal Description Interaction-ID: 35309 |
tissue/cell line non-myelinated Schwann cell (GFAP+) increases_activity of process |
Comment | Glial cells are responsible for the maintenance of HSC hibernation in BM by regulating the process by which latent TGF-beta is activated. [Method: CD34-KSL cells after denervation of sympathetic nerves, BrdU-labeling] |
Formal Description Interaction-ID: 35310 |
tissue/cell line non-myelinated Schwann cell (GFAP+) decreases_activity of process |
Comment | Activated Tgf-beta receptor RI/RII phosphorylates Smad2 and 3. In HSC (CD150+CD48-CD41-Lin-) Smad2 and 3 are phosphorylated. [Method: BM section, FACS, fluorescence photomicrographs] |
Formal Description Interaction-ID: 35316 |
complex/PPI Tgf-beta receptor increases_activity of process |
Comment | All GFAP-positive cells were positive for nestin and were positive for active Tgf-beta. [Method: immunohistochemistry] |
Formal Description Interaction-ID: 35318 |
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Comment | Smad2 and 3 are players of the SMAD signaling pathway. [Method: cited information] |
Formal Description Interaction-ID: 35319 |
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Drugbank entries | Show/Hide entries for Smad2 |
Comment | Smad2 and 3 are players of the SMAD signaling pathway. [Method: cited information] |
Formal Description Interaction-ID: 35320 |
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Comment | TGF-beta binds to its receptor composed of Tgf-betaRII and TGF-betaRI. [Method: cited information] |
Formal Description Interaction-ID: 35321 |
gene/protein increases_activity of |
Drugbank entries | Show/Hide entries for Tgfbr2 |
Comment | TGF-beta binds to its receptor composed of Tgf-betaRII and TGF-betaRI. [Method: cited information] |
Formal Description Interaction-ID: 36487 |
gene/protein increases_activity of |
Drugbank entries | Show/Hide entries for Tgfbr1 |
Comment | Itgb8 activates Tgfbeta receptor, most likely by facilitating proteolytic degradation of LAP, which keeps the receptor in an inactive state, by matrix metalloproteinases. [Method: immunohistochemistry] |
Formal Description Interaction-ID: 37313 |
tissue/cell line non-myelinated Schwann cell (GFAP+) increases_activity of complex/PPI Tgf-beta receptor |