anti spi1 antibody (Proteintech)
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Proteintech
anti spi1 antibody
Anti Spi1 Antibody, supplied by Proteintech, used in various techniques. Bioz Stars score: 93/100, based on 22 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/product/cell+transcriptome+sequencing+analysis/pmc11529461-76-4-7?v=Proteintech
Average 93 stars, based on 22 article reviews
Anti Spi1 Antibody, supplied by Proteintech, used in various techniques. Bioz Stars score: 93/100, based on 22 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/product/cell+transcriptome+sequencing+analysis/pmc11529461-76-4-7?v=Proteintech
Average 93 stars, based on 22 article reviews
anti spi1 antibody - by Bioz Stars,
2026-07
93/100 stars
Images
1) Product Images from "SPI1+CD68+ macrophages as a biomarker for gastric cancer metastasis: a rationale for combined antiangiogenic and immunotherapy strategies"
Article Title: SPI1+CD68+ macrophages as a biomarker for gastric cancer metastasis: a rationale for combined antiangiogenic and immunotherapy strategies
Journal: Journal for Immunotherapy of Cancer
doi: 10.1136/jitc-2024-009983
Figure Legend Snippet: SPI1 was highly expressed in macrophages within the metastatic lesions of gastric cancer. ( A ) UMAP representation colored according to different cell types. ( B ) Density plot of SPI1 expression distribution in scRNA sequencing data. ( C ) UMAP indicated SPI1 staining of macrophages in primary and metastasis gastric cancer (GC). ( D ) Differential analysis of SPI1 expression in the primary and metastasis tumor of GC in scRNA sequencing data. ( E ) Infiltration of SPI1 + CD68 + TAMs in normal tissue, primary tumor, and metastasis sites of GC. ( F ) Differential analysis of SPI1 + CD68 + TAMs infiltration between primary and metastasis tumor according to double immunohistochemical staining. ( G ) SPI1 + CD68 + TAMs were screened by flow cytometry in primary and metastasis tumor of patients with GC. ( H ) Quantitative analysis of SPI1 + CD68 + TAMs infiltration based on flow cytometry. scRNA, single-cell RNA; SPI1, Spi-1 proto-oncogene; TAMs, tumor-associated macrophages; UMAP, Uniform Manifold Approximation and Projection.
Techniques Used: Expressing, Sequencing, Staining, Immunohistochemical staining, Flow Cytometry
Figure Legend Snippet: SPI1 + CD68 + TAMs was an independent prognostic factor in patients with metastatic gastric cancer. ( A ) Overall survival (OS) and disease-free survival (DFS) of patients with gastric cancer (GC) in different SPI1 + CD68 + TAMs groups in the training cohort. ( B ) OS and DFS of patients with GC in different SPI1 + CD68 + TAMs groups in the external validation cohort. ( C ) OS and DFS of patients with GC in different SPI1 − CD68 + TAMs groups in the training cohort. ( D ) OS and DFS of patients with GC in different SPI1 − CD68 + TAMs groups in the external validation cohort. ( E ) Univariate cox regression analysis of patients with GC in the training cohort. ( F ) SPI1 + CD68 + TAMs was an independent prognostic factor of patients with GC in the training cohort. ( G ) Univariate cox regression analysis of patients with GC in the external validation cohort. ( H ) SPI1 + CD68 + TAMs was an independent prognostic factor of patients with GC in the external validation cohort. SPI1, Spi-1 proto-oncogene; TAMs, tumor-associated macrophages.
Techniques Used: Biomarker Discovery
Figure Legend Snippet: SPI1 was associated with M2 polarization of macrophages. ( A ) Screening M1/M2 macrophages used flow cytometry with CD45, CD68, CD80, CD206 and SPI1 in patients with gastric cancer (GC). ( B ) Quantitative analysis of SPI1 + CD68 + TAMs infiltration in M1 and M2 type based on flow cytometry of patients with GC. ( C ) The markers of induced M1 and M2-type macrophages were detected by qRT-PCR. ( D ) Detecting the macrophage-related markers with qRT-PCR after SPI1 knockdown. ( E ) qRT-PCR was used to detect the macrophage-associated markers after SPI1 overexpression. ( F ) Western blot was used to detect the macrophage-related markers after SPI1 knockdown. ( G ) Macrophage-related markers were detected with western blot after SPI1 overexpression. ( H ) Flow cytometry was used to detect the macrophage-related markers after SPI1 knockdown. ( I ) Quantitative analysis of flow cytometry in SPI1 knockdown macrophages. ( J ) Flow cytometry was used to detect the macrophage-related markers after SPI1 overexpression. ( K ) Quantitative analysis of flow cytometry in SPI1 overexpression macrophages. IL-10, interleukin-10; mRNA, messenger RNA; qRT-PCR, quantitative Reverse Transcription Polymerase Chain Reaction; SPI1, Spi-1 proto-oncogene; TAMs, tumor-associated macrophages.
Techniques Used: Flow Cytometry, Quantitative RT-PCR, Knockdown, Over Expression, Western Blot, Reverse Transcription, Polymerase Chain Reaction
Figure Legend Snippet: SPI1 + CD68 + TAMs promoted tumor angiogenesis through VEGF pathway. ( A ) GSVA analysis between SPI1-high and SPI1-low TAMs groups in scRNA sequencing data. ( B ) Incoming and outgoing interaction strength in different types of cells. ( C ) Cell–cell communication between different cell types in the VEGF signaling pathway. ( D ) Response to bevacizumab in patients with different TAMs infiltrates in the external validation cohort. ( E ) Immunofluorescence revealed the infiltration of SPI1 + CD68 + TAMs around the tumor blood vessels (CD31 marked). ( F ) Difference in the number of SPI1 + CD68 + TAMs and SPI1 − CD68 + TAMs around tumor vessels. ( G ) Difference in distance between blood vessels with SPI1 + CD68 + TAMs and SPI1 − CD68 + TAMs. DAPI, 4',6-Diamidino-2-Phenylindole; GSVA, gene set variation analysis; NK, Natural Killer cells; scRNA, single-cell RNA; SPI1, Spi-1 proto-oncogene; TAMs, tumor-associated macrophages; VEGFA, vascular endothelial growth factor A.
Techniques Used: Sequencing, Biomarker Discovery, Immunofluorescence
Figure Legend Snippet: The role of SPI1 in GC cell growth and metastasis in vivo. ( A ) The representative images of the xenograft tumor. ( B ) Quantitative analysis of tumor growth curve. ( C ) Quantitative analysis of tumor weight in different SPI1 expression group. ( D ) Bioluminescence images of tumor-bearing mice individually treated with shNC, shSPI1, Vector, SPI1 transfected macrophages at day 5, 10, 15, 20, 25, 30, 40, and 50. ( E ) Representative photographs of peritoneum and mesentery metastasis lesions in different SPI1 expression groups. ( F ) The fluorescence intensity of tumors in various groups of mice. ( G ) Quantitative analysis of peritoneum nodules. ( H ) Survival curves of mice in different groups. GC, gastric cancer; SPI1, Spi-1 proto-oncogene.
Techniques Used: In Vivo, Expressing, Plasmid Preparation, Transfection, Fluorescence
Figure Legend Snippet: SPI1 closely interacted with endothelial cells and regulated VEGFA transcription. ( A ) Wound healing assay was used to detect the migration ability of HUVEC cells cultured with conditioned medium of SPI1 knockdown macrophages. ( B ) Compared with the control group, the overexpression of SPI1 enhanced the migration ability of HUVEC cells. ( C ) Tube formation assay was used to detect the angiogenic ability of HUVEC cells after cultured with conditioned medium of SPI1 knockdown macrophages. ( D ) On overexpressing SPI1, the angiogenesis ability of HUVEC cells was augmented. ( E ) The mRNA level of VEGFA changed after knockdown or overexpression of SPI1. ( F ) The protein level of VEGFA changed after knockdown or overexpression of SPI1. ( G ) Motif sequence logo plot of SPI1 according to JASPAR database. ( H ) Putative SPI1 and VEGFA promoter binding sites. ( I ) ChIP analysis of the direct interaction between SPI1 and the promoter of VEGFA. ( J ) The binding site of SPI1 to the VEGFA promoter was assessed using ChIP-qPCR. ChIP, chromatin immunoprecipitation; HUVEC, Human Umbilical Vein Endothelial Cells; mRNA, messenger RNA; qPCR, quantitative PCR; SPI1, Spi-1 proto-oncogene; VEGFA, vascular endothelial growth factor A.
Techniques Used: Wound Healing Assay, Migration, Cell Culture, Knockdown, Control, Over Expression, Tube Formation Assay, Sequencing, Binding Assay, ChIP-qPCR, Chromatin Immunoprecipitation, Real-time Polymerase Chain Reaction
Figure Legend Snippet: In vivo response to anti-PD-1 immunotherapy and antiangiogenesis treatment. ( A ) Response to immunotherapy in patients with different CPS scores and SPI1 + CD68 + TAMs infiltration. ( B ) Difference analysis of immunotherapy response in patients with different SPI1 + CD68 + TAMs infiltration. ( C ) Correlation analysis of SPI1 and PD-L1. ( D–G ) ROC curve of CPS score, CD68 + cells, SPI1 + CD68 + TAMs, and CPS score plus SPI1 + CD68 + TAMs. ( H ) Multiple immunofluorescences staining of PD-1 + CD8 + T cells and SPI1 + CD68 + TAMs. ( I ) Spatial distribution of SPI1 + CD68 + TAMs, SPI1 − CD68 + TAMs and PD-1 + CD8 + T cells analyzed by HALO. ( J ) Average distance from PD-1 + CD8 + T cells to SPI1 + CD68 + TAMs and SPI1 − CD68 + TAMs (p<0.05). ( K ) The discrepancy in the quantity of SPI1 + CD68 + TAMs and SPI1 − CD68 + TAMs surrounding PD-1 + CD8 + T cells (p<0.05). ( L ) Bioluminescence images of NOD/SCID mice with different treatment in week 1, 3, and 6. ( M ) The fluorescence intensity of intraperitoneal tumors in various groups of mice. CPS, Combined Positive Score; DAPI, 4',6-Diamidino-2-Phenylindole; PD-1, programmed cell death protein-1; PD-L1, programmed death-ligand 1; ROC, receiver operating characteristic; SPI1, Spi-1 proto-oncogene; TAMs, tumor-associated macrophages.
Techniques Used: In Vivo, Staining, Fluorescence