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rabbit polyclonal anti mmp 9 antibody  (Proteintech)


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    Structured Review

    Proteintech rabbit polyclonal anti mmp 9 antibody
    <t>MMP-9</t> <t>,</t> a factor that promotes Vasculogenic mimicry, is highly expressed in CC and is associated with poor prognosis. (A) CC database of TCGA was used to analyze key factors associated with VM. (B) Association of Sox2 expression with overall survival in CC (log-rank test). (C) Association of MMP-9 expression with overall survival in CC (log-rank test). (D) Panoramic scans after immunohistochemical detection of MMP-9 and H&E staining in samples from cancerous and paracancerous tissues from subjects with CC. Scale bar, 50 µm. Original magnification, ×20. (E) Protein levels of MMP-9 in 20 paired samples, with the MMP-9 level in CC tissue expressed compared with that in the paired normal tissue. (F) Expression levels of MMP-9 mRNA in 44 paired CC and paracancerous tissues, with MMP-9 expression in CC tissue expressed compared with that in the paired normal tissue. (G) Comparison of the average expression levels of MMP-9 mRNA in CC tissues compared with paracancerous tissues. (H) HeLa and SiHa cells were incubated under hypoxia (0.1% O 2 ) and proteins collected at 24, 48 and 72 h for western blotting of ALDH1, EPHA2, MMP-9 and GAPDH. ImageJ was used to semi-quantify western blotting signals from HeLa (I) and SiHa (J) cells. GAPDH served as an internal reference. *P<0.05, **P<0.01 and ***P<0.001. MMP-9, matrix metalloproteinase 9; VM, vasculogenic mimicry; ALDH1, aldehyde dehydrogenase 1; EPHA2, ephrin type-A receptor 2; TCGA, The Cancer Genome Atlas; Sox2, SRY-box transcription factor 2; CC, cervical cancer; CESC, cervical squamous cell carcinoma.
    Rabbit Polyclonal Anti Mmp 9 Antibody, supplied by Proteintech, used in various techniques. Bioz Stars score: 96/100, based on 889 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/mmp+2/MMP9+(N-terminal)+Polyclonal+antibody/pmc12997395-82-39-47
    Average 96 stars, based on 889 article reviews
    rabbit polyclonal anti mmp 9 antibody - by Bioz Stars, 2026-10
    96/100 stars

    Images

    1) Product Images from "RNA methyltransferase NSUN2 enhances vasculogenic mimicry and malignant progression of cervical cancer through upregulation of MMP-9"

    Article Title: RNA methyltransferase NSUN2 enhances vasculogenic mimicry and malignant progression of cervical cancer through upregulation of MMP-9

    Journal: Oncology Letters

    doi: 10.3892/ol.2026.15518

    MMP-9 , a factor that promotes Vasculogenic mimicry, is highly expressed in CC and is associated with poor prognosis. (A) CC database of TCGA was used to analyze key factors associated with VM. (B) Association of Sox2 expression with overall survival in CC (log-rank test). (C) Association of MMP-9 expression with overall survival in CC (log-rank test). (D) Panoramic scans after immunohistochemical detection of MMP-9 and H&E staining in samples from cancerous and paracancerous tissues from subjects with CC. Scale bar, 50 µm. Original magnification, ×20. (E) Protein levels of MMP-9 in 20 paired samples, with the MMP-9 level in CC tissue expressed compared with that in the paired normal tissue. (F) Expression levels of MMP-9 mRNA in 44 paired CC and paracancerous tissues, with MMP-9 expression in CC tissue expressed compared with that in the paired normal tissue. (G) Comparison of the average expression levels of MMP-9 mRNA in CC tissues compared with paracancerous tissues. (H) HeLa and SiHa cells were incubated under hypoxia (0.1% O 2 ) and proteins collected at 24, 48 and 72 h for western blotting of ALDH1, EPHA2, MMP-9 and GAPDH. ImageJ was used to semi-quantify western blotting signals from HeLa (I) and SiHa (J) cells. GAPDH served as an internal reference. *P<0.05, **P<0.01 and ***P<0.001. MMP-9, matrix metalloproteinase 9; VM, vasculogenic mimicry; ALDH1, aldehyde dehydrogenase 1; EPHA2, ephrin type-A receptor 2; TCGA, The Cancer Genome Atlas; Sox2, SRY-box transcription factor 2; CC, cervical cancer; CESC, cervical squamous cell carcinoma.
    Figure Legend Snippet: MMP-9 , a factor that promotes Vasculogenic mimicry, is highly expressed in CC and is associated with poor prognosis. (A) CC database of TCGA was used to analyze key factors associated with VM. (B) Association of Sox2 expression with overall survival in CC (log-rank test). (C) Association of MMP-9 expression with overall survival in CC (log-rank test). (D) Panoramic scans after immunohistochemical detection of MMP-9 and H&E staining in samples from cancerous and paracancerous tissues from subjects with CC. Scale bar, 50 µm. Original magnification, ×20. (E) Protein levels of MMP-9 in 20 paired samples, with the MMP-9 level in CC tissue expressed compared with that in the paired normal tissue. (F) Expression levels of MMP-9 mRNA in 44 paired CC and paracancerous tissues, with MMP-9 expression in CC tissue expressed compared with that in the paired normal tissue. (G) Comparison of the average expression levels of MMP-9 mRNA in CC tissues compared with paracancerous tissues. (H) HeLa and SiHa cells were incubated under hypoxia (0.1% O 2 ) and proteins collected at 24, 48 and 72 h for western blotting of ALDH1, EPHA2, MMP-9 and GAPDH. ImageJ was used to semi-quantify western blotting signals from HeLa (I) and SiHa (J) cells. GAPDH served as an internal reference. *P<0.05, **P<0.01 and ***P<0.001. MMP-9, matrix metalloproteinase 9; VM, vasculogenic mimicry; ALDH1, aldehyde dehydrogenase 1; EPHA2, ephrin type-A receptor 2; TCGA, The Cancer Genome Atlas; Sox2, SRY-box transcription factor 2; CC, cervical cancer; CESC, cervical squamous cell carcinoma.

    Techniques Used: Expressing, Immunohistochemical staining, Staining, Comparison, Incubation, Western Blot

    NSUN2 promotes Vasculogenic mimicry, invasion and migration of CC cells under hypoxic conditions. (A) Expression levels of NSUN2 in CC cells lines (HeLa, SiHa, CaSki, C33A and HT-3) and in a normal cervical cell line (HaCaT). (B) RT-qPCR was used to determine relative expression levels of NSUN2 mRNA in HeLa and SiHa cells after transfection of shRNAs and incubation under hypoxia for 24 h. (C) Relative expression levels of MMP-9 mRNA in HeLa and SiHa cells transfected with the NSUN2 -interfering plasmid and incubated under hypoxia for 24 h. (D) Dot blot assay analysis of m 5 C expression levels in HeLa and SiHa cells after 48 h of hypoxia culture following transfection with NSUN2 knockdown plasmids. (E) Semi-quantitative analysis of dot blot results in HeLa cells. (F) Semi-quantitative analysis of dot blot results in SiHa cells. (G) Western blotting was used to investigate NSUN2 and MMP-9 protein levels in HeLa and SiHa cells transfected with the NSUN2 -interfering plasmid and incubated under hypoxia for 48 h. ImageJ was used to semi-quantify western blotting bands for (H) NSUN2 and (I) MMP-9 protein levels. (J) 2D tube-forming assays of HeLa and SiHa cells transfected with an NSUN2 -interfering plasmid and incubated under hypoxia. Scale bar, 100 µm. Original magnification, ×4. (K) Assay displayed in panel (J) was quantified using Image Pro. (L) Invasion assay of HeLa and SiHa cells transfected with a control plasmid, shNSUN2-2 or shNSUN2-3 or with shNSUN2 and pcDNA MMP-9. Scale bar, 200 µm. Original magnification, ×10. (M) Assay displayed in panel was quantified using Image Pro. (N) Migration assay of HeLa and SiHa cells transfected with a control plasmid, shNSUN2-2 or shNSUN2-3 or with shNSUN2 and pcDNA MMP-9. Scale bar, 200 µm. Original magnification, ×10. (O) Assay displayed in panel (N) was quantified using Image Pro. *P<0.05, **P<0.01 and ***P<0.001. VM, Vasculogenic mimicry; CC, cervical cancer; IHC, immunohistochemistry; NSUN2, NOP2/Sun RNA methyltransferase 2; m 5 C, 5-methylcytidine; RT-qPCR, reverse transcription-quantitative PCR; IHC, immunohistochemistry; CaSki, human cervical cancer cell line with intestinal metastasis; C33A, human cervical cancer cell line; HaCaT, human skin keratinocytes cell line; HeLa, human cervical cancer cell line; HT-3, human cervical cancer cell line; MMP9, matrix metalloproteinase 9; SiHa, human cervical squamous cell line; pcDNA, plasmid cloning DNA; shRNA, short hairpin RNA; NC, negative control.
    Figure Legend Snippet: NSUN2 promotes Vasculogenic mimicry, invasion and migration of CC cells under hypoxic conditions. (A) Expression levels of NSUN2 in CC cells lines (HeLa, SiHa, CaSki, C33A and HT-3) and in a normal cervical cell line (HaCaT). (B) RT-qPCR was used to determine relative expression levels of NSUN2 mRNA in HeLa and SiHa cells after transfection of shRNAs and incubation under hypoxia for 24 h. (C) Relative expression levels of MMP-9 mRNA in HeLa and SiHa cells transfected with the NSUN2 -interfering plasmid and incubated under hypoxia for 24 h. (D) Dot blot assay analysis of m 5 C expression levels in HeLa and SiHa cells after 48 h of hypoxia culture following transfection with NSUN2 knockdown plasmids. (E) Semi-quantitative analysis of dot blot results in HeLa cells. (F) Semi-quantitative analysis of dot blot results in SiHa cells. (G) Western blotting was used to investigate NSUN2 and MMP-9 protein levels in HeLa and SiHa cells transfected with the NSUN2 -interfering plasmid and incubated under hypoxia for 48 h. ImageJ was used to semi-quantify western blotting bands for (H) NSUN2 and (I) MMP-9 protein levels. (J) 2D tube-forming assays of HeLa and SiHa cells transfected with an NSUN2 -interfering plasmid and incubated under hypoxia. Scale bar, 100 µm. Original magnification, ×4. (K) Assay displayed in panel (J) was quantified using Image Pro. (L) Invasion assay of HeLa and SiHa cells transfected with a control plasmid, shNSUN2-2 or shNSUN2-3 or with shNSUN2 and pcDNA MMP-9. Scale bar, 200 µm. Original magnification, ×10. (M) Assay displayed in panel was quantified using Image Pro. (N) Migration assay of HeLa and SiHa cells transfected with a control plasmid, shNSUN2-2 or shNSUN2-3 or with shNSUN2 and pcDNA MMP-9. Scale bar, 200 µm. Original magnification, ×10. (O) Assay displayed in panel (N) was quantified using Image Pro. *P<0.05, **P<0.01 and ***P<0.001. VM, Vasculogenic mimicry; CC, cervical cancer; IHC, immunohistochemistry; NSUN2, NOP2/Sun RNA methyltransferase 2; m 5 C, 5-methylcytidine; RT-qPCR, reverse transcription-quantitative PCR; IHC, immunohistochemistry; CaSki, human cervical cancer cell line with intestinal metastasis; C33A, human cervical cancer cell line; HaCaT, human skin keratinocytes cell line; HeLa, human cervical cancer cell line; HT-3, human cervical cancer cell line; MMP9, matrix metalloproteinase 9; SiHa, human cervical squamous cell line; pcDNA, plasmid cloning DNA; shRNA, short hairpin RNA; NC, negative control.

    Techniques Used: Migration, Expressing, Quantitative RT-PCR, Transfection, Incubation, Plasmid Preparation, Dot Blot, Knockdown, Quantitative Dot Blot, Western Blot, Invasion Assay, Control, Immunohistochemistry, Reverse Transcription, Real-time Polymerase Chain Reaction, Cloning, shRNA, Negative Control

    NSUN2 increases the stability of MMP-9 mRNA. (A) A positive correlation was observed between NSUN2 and MMP-9 mRNA expression levels in 44 pairs of samples from subjects with CC. Enrichment of the m 5 C modification of MMP-9 mRNA in HeLa (B) and SiHa (C) Cells were measured with anti-m 5 C methylated-RNA IP assays. Interaction of NSUN2 with MMP-9 mRNA in (D) HeLa and (E) SiHa cells was measured with anti- NSUN2 RNA IP assays. Stability of MMP-9 mRNA after interference with and overexpression of NSUN2 was measured in (F) HeLa and (G) SiHa cells. (H) A model illustrating the proposed mechanism by which NSUN2-mediated stabilization of MMP-9 mRNA promotes Vasculogenic mimicry in CC. NSUN2, NOP2/Sun RNA methyltransferase 2; m 5 C, 5-methylcytidine; pcDNA, plasmid cloning DNA; shRNA, short hairpin RNA; HeLa, human cervical cancer cell line; MMP9, matrix metalloproteinase 9; SiHa, human cervical squamous cell line; IP, immunoprecipitation; CC, cervical cancer; NC, negative control.
    Figure Legend Snippet: NSUN2 increases the stability of MMP-9 mRNA. (A) A positive correlation was observed between NSUN2 and MMP-9 mRNA expression levels in 44 pairs of samples from subjects with CC. Enrichment of the m 5 C modification of MMP-9 mRNA in HeLa (B) and SiHa (C) Cells were measured with anti-m 5 C methylated-RNA IP assays. Interaction of NSUN2 with MMP-9 mRNA in (D) HeLa and (E) SiHa cells was measured with anti- NSUN2 RNA IP assays. Stability of MMP-9 mRNA after interference with and overexpression of NSUN2 was measured in (F) HeLa and (G) SiHa cells. (H) A model illustrating the proposed mechanism by which NSUN2-mediated stabilization of MMP-9 mRNA promotes Vasculogenic mimicry in CC. NSUN2, NOP2/Sun RNA methyltransferase 2; m 5 C, 5-methylcytidine; pcDNA, plasmid cloning DNA; shRNA, short hairpin RNA; HeLa, human cervical cancer cell line; MMP9, matrix metalloproteinase 9; SiHa, human cervical squamous cell line; IP, immunoprecipitation; CC, cervical cancer; NC, negative control.

    Techniques Used: Expressing, Modification, Methylation, Over Expression, Plasmid Preparation, Cloning, shRNA, Immunoprecipitation, Negative Control

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    Incubation:

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    Activity Assay:

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    TUNEL Assay:

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    Fluorescence:

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    Microscopy:

    Article Title: An Injectable Photothermal Responsive Liposome Hydrogel Co-Loaded with Bufalin, Apatinib, and IR820 for Inhibiting Postoperative Recurrence of Colon Cancer
    Article Snippet: DPPC (C159364505, purity>99%) and IR820 (C15811515, purity>80%) were purchased from Shanghai Macklin Biochemical Co., Ltd; MSPC (CG1057, purity>99%) was purchased from AVT (Shanghai) Pharmaceutical Tech Co., Ltd.; DSPE-PEG 2000 ( ML290001 , purity>98%), PLGA-PEG-PLGA thermosensitive hydrogel ( ML182320 ) were purchased from MeloPEG Co., Ltd; Bufalin (HS21305B1, purity>98%) was purchased from Baoji Chenguang Biological Technology Co., Ltd.; Apatinib (S524804, purity>98%) was purchased from Selleckchem Chemicals. .. ; Calcein/PI cell activity and cytotoxicity detection kit (101223240515), DiD fluorescent dye (C1039), TUNEL kit (C1088), DAPI (C1005) were purchased from Shanghai Beyotime Biotechnology Co., Ltd.; Apoptosis detection kit (AB-2869082) was purchased from Bedi Medical Device Co., Ltd.; Ki-67 (ab15580) was purchased from Abcam; Cleaved Caspase-3 (#9662) was purchased from CST; CD31 (11265-1-AP, VEGF (81323-2-RR) and MMP-2 (10373-2-AP) was purchased from Proteintech; β-actin (66009-1-Ig) was purchased from Proteintech; D-fluorescein sodium salt (D4422160) was purchased from Yeasen Biotechnology (Shanghai) Co, Ltd.; Isoflurane (2024100301) was purchased from Shandong Ante Animal Husbandry Co., Ltd.; LC-2023C 3D PLUS Shimadzu high performance liquid chromatograph (SHIMADZU, Japan); GS-1580R refrigerated centrifuge (Gene Company Limited); Ts2-FL fluorescence inverted fluorescence microscope (Nikon Technology Co., Ltd). ..

    Article Title: An Injectable Photothermal Responsive Liposome Hydrogel Co-Loaded with Bufalin, Apatinib, and IR820 for Inhibiting Postoperative Recurrence of Colon Cancer
    Article Snippet: DPPC (C159364505, purity>99%) and IR820 (C15811515, purity>80%) were purchased from Shanghai Macklin Biochemical Co., Ltd; MSPC (CG1057, purity>99%) was purchased from AVT (Shanghai) Pharmaceutical Tech Co., Ltd.; DSPE-PEG2000 (ML290001, purity>98%), PLGA-PEG-PLGA thermosensitive hydrogel (ML182320) were purchased from MeloPEG Co., Ltd; Bufalin (HS21305B1, purity>98%) was purchased from Baoji Chenguang Biological Technology Co., Ltd.; Apatinib (S524804, purity>98%) was purchased from Selleckchem Chemicals. .. ; Calcein/PI cell activity and cytotoxicity detection kit (101223240515), DiD fluorescent dye (C1039), TUNEL kit (C1088), DAPI (C1005) were purchased from Shanghai Beyotime Biotechnology Co., Ltd.; Apoptosis detection kit (AB-2869082) was purchased from Bedi Medical Device Co., Ltd.; Ki-67 (ab15580) was purchased from Abcam; Cleaved Caspase-3 (#9662) was purchased from CST; CD31 (11265-1-AP, VEGF (81323-2-RR) and MMP-2 (10373-2-AP) was purchased from Proteintech; β-actin (66009-1-Ig) was purchased from Proteintech; D-fluorescein sodium salt (D4422160) was purchased from Yeasen Biotechnology (Shanghai) Co, Ltd.; Isoflurane (2024100301) was purchased from Shandong Ante Animal Husbandry Co., Ltd.; LC-2023C 3D PLUS Shimadzu high performance liquid chromatograph (SHIMADZU, Japan); GS-1580R refrigerated centrifuge (Gene Company Limited); Ts2-FL fluorescence inverted fluorescence microscope (Nikon Technology Co., Ltd). ..

    Membrane:

    Article Title: Structure-based discovery of a novel allosteric activator of ATG4B for the treatment of triple-negative breast cancer.
    Article Snippet: Triple-negative breast cancer (TNBC) is highly malignant and lacks effective therapeutic drugs.. ATG4B, a critical cysteine protease in autophagy, regulates LC3B processing and recycling to promote autophagosome formation, and its activation represents a promising therapeutic strategy for cancer.. Based on structure-based drug design, this study conducted virtual screening of the SPECS compound library and optimized the structure through structure-activity relationship analysis, obtaining a novel ATG4B allosteric activator, 16a.

    Blocking Assay:

    Article Title: Structure-based discovery of a novel allosteric activator of ATG4B for the treatment of triple-negative breast cancer.
    Article Snippet: Triple-negative breast cancer (TNBC) is highly malignant and lacks effective therapeutic drugs.. ATG4B, a critical cysteine protease in autophagy, regulates LC3B processing and recycling to promote autophagosome formation, and its activation represents a promising therapeutic strategy for cancer.. Based on structure-based drug design, this study conducted virtual screening of the SPECS compound library and optimized the structure through structure-activity relationship analysis, obtaining a novel ATG4B allosteric activator, 16a.

    other:

    Article Title: DNMT3b promotes proliferation and invasion by mediating HOPX DNA methylation in lung cancer
    Article Snippet: MMP-2 , proteintech , 10373-2-AP; RRID:AB_2250823.



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    MMP-9 , a factor that promotes Vasculogenic mimicry, is highly expressed in CC and is associated with poor prognosis. (A) CC database of TCGA was used to analyze key factors associated with VM. (B) Association of Sox2 expression with overall survival in CC (log-rank test). (C) Association of MMP-9 expression with overall survival in CC (log-rank test). (D) Panoramic scans after immunohistochemical detection of MMP-9 and H&E staining in samples from cancerous and paracancerous tissues from subjects with CC. Scale bar, 50 µm. Original magnification, ×20. (E) Protein levels of MMP-9 in 20 paired samples, with the MMP-9 level in CC tissue expressed compared with that in the paired normal tissue. (F) Expression levels of MMP-9 mRNA in 44 paired CC and paracancerous tissues, with MMP-9 expression in CC tissue expressed compared with that in the paired normal tissue. (G) Comparison of the average expression levels of MMP-9 mRNA in CC tissues compared with paracancerous tissues. (H) HeLa and SiHa cells were incubated under hypoxia (0.1% O 2 ) and proteins collected at 24, 48 and 72 h for western blotting of ALDH1, EPHA2, MMP-9 and GAPDH. ImageJ was used to semi-quantify western blotting signals from HeLa (I) and SiHa (J) cells. GAPDH served as an internal reference. *P<0.05, **P<0.01 and ***P<0.001. MMP-9, matrix metalloproteinase 9; VM, vasculogenic mimicry; ALDH1, aldehyde dehydrogenase 1; EPHA2, ephrin type-A receptor 2; TCGA, The Cancer Genome Atlas; Sox2, SRY-box transcription factor 2; CC, cervical cancer; CESC, cervical squamous cell carcinoma.

    Journal: Oncology Letters

    Article Title: RNA methyltransferase NSUN2 enhances vasculogenic mimicry and malignant progression of cervical cancer through upregulation of MMP-9

    doi: 10.3892/ol.2026.15518

    Figure Lengend Snippet: MMP-9 , a factor that promotes Vasculogenic mimicry, is highly expressed in CC and is associated with poor prognosis. (A) CC database of TCGA was used to analyze key factors associated with VM. (B) Association of Sox2 expression with overall survival in CC (log-rank test). (C) Association of MMP-9 expression with overall survival in CC (log-rank test). (D) Panoramic scans after immunohistochemical detection of MMP-9 and H&E staining in samples from cancerous and paracancerous tissues from subjects with CC. Scale bar, 50 µm. Original magnification, ×20. (E) Protein levels of MMP-9 in 20 paired samples, with the MMP-9 level in CC tissue expressed compared with that in the paired normal tissue. (F) Expression levels of MMP-9 mRNA in 44 paired CC and paracancerous tissues, with MMP-9 expression in CC tissue expressed compared with that in the paired normal tissue. (G) Comparison of the average expression levels of MMP-9 mRNA in CC tissues compared with paracancerous tissues. (H) HeLa and SiHa cells were incubated under hypoxia (0.1% O 2 ) and proteins collected at 24, 48 and 72 h for western blotting of ALDH1, EPHA2, MMP-9 and GAPDH. ImageJ was used to semi-quantify western blotting signals from HeLa (I) and SiHa (J) cells. GAPDH served as an internal reference. *P<0.05, **P<0.01 and ***P<0.001. MMP-9, matrix metalloproteinase 9; VM, vasculogenic mimicry; ALDH1, aldehyde dehydrogenase 1; EPHA2, ephrin type-A receptor 2; TCGA, The Cancer Genome Atlas; Sox2, SRY-box transcription factor 2; CC, cervical cancer; CESC, cervical squamous cell carcinoma.

    Article Snippet: The tissue samples were treated with PH9.0 EDTA repair solution for antigen retrieval and then treated with a rabbit polyclonal anti-CD31 antibody (1:2,000; cat. no. AB76533; Abcam), a rabbit polyclonal anti-NSUN2 antibody (1:200; cat. no. AB259941; Abcam) or a rabbit polyclonal anti-MMP-9 antibody (1:200; cat. no. 10375-2-AP; Proteintech Group, Inc.; Wuhan Sanying Biotechnology).

    Techniques: Expressing, Immunohistochemical staining, Staining, Comparison, Incubation, Western Blot

    NSUN2 promotes Vasculogenic mimicry, invasion and migration of CC cells under hypoxic conditions. (A) Expression levels of NSUN2 in CC cells lines (HeLa, SiHa, CaSki, C33A and HT-3) and in a normal cervical cell line (HaCaT). (B) RT-qPCR was used to determine relative expression levels of NSUN2 mRNA in HeLa and SiHa cells after transfection of shRNAs and incubation under hypoxia for 24 h. (C) Relative expression levels of MMP-9 mRNA in HeLa and SiHa cells transfected with the NSUN2 -interfering plasmid and incubated under hypoxia for 24 h. (D) Dot blot assay analysis of m 5 C expression levels in HeLa and SiHa cells after 48 h of hypoxia culture following transfection with NSUN2 knockdown plasmids. (E) Semi-quantitative analysis of dot blot results in HeLa cells. (F) Semi-quantitative analysis of dot blot results in SiHa cells. (G) Western blotting was used to investigate NSUN2 and MMP-9 protein levels in HeLa and SiHa cells transfected with the NSUN2 -interfering plasmid and incubated under hypoxia for 48 h. ImageJ was used to semi-quantify western blotting bands for (H) NSUN2 and (I) MMP-9 protein levels. (J) 2D tube-forming assays of HeLa and SiHa cells transfected with an NSUN2 -interfering plasmid and incubated under hypoxia. Scale bar, 100 µm. Original magnification, ×4. (K) Assay displayed in panel (J) was quantified using Image Pro. (L) Invasion assay of HeLa and SiHa cells transfected with a control plasmid, shNSUN2-2 or shNSUN2-3 or with shNSUN2 and pcDNA MMP-9. Scale bar, 200 µm. Original magnification, ×10. (M) Assay displayed in panel was quantified using Image Pro. (N) Migration assay of HeLa and SiHa cells transfected with a control plasmid, shNSUN2-2 or shNSUN2-3 or with shNSUN2 and pcDNA MMP-9. Scale bar, 200 µm. Original magnification, ×10. (O) Assay displayed in panel (N) was quantified using Image Pro. *P<0.05, **P<0.01 and ***P<0.001. VM, Vasculogenic mimicry; CC, cervical cancer; IHC, immunohistochemistry; NSUN2, NOP2/Sun RNA methyltransferase 2; m 5 C, 5-methylcytidine; RT-qPCR, reverse transcription-quantitative PCR; IHC, immunohistochemistry; CaSki, human cervical cancer cell line with intestinal metastasis; C33A, human cervical cancer cell line; HaCaT, human skin keratinocytes cell line; HeLa, human cervical cancer cell line; HT-3, human cervical cancer cell line; MMP9, matrix metalloproteinase 9; SiHa, human cervical squamous cell line; pcDNA, plasmid cloning DNA; shRNA, short hairpin RNA; NC, negative control.

    Journal: Oncology Letters

    Article Title: RNA methyltransferase NSUN2 enhances vasculogenic mimicry and malignant progression of cervical cancer through upregulation of MMP-9

    doi: 10.3892/ol.2026.15518

    Figure Lengend Snippet: NSUN2 promotes Vasculogenic mimicry, invasion and migration of CC cells under hypoxic conditions. (A) Expression levels of NSUN2 in CC cells lines (HeLa, SiHa, CaSki, C33A and HT-3) and in a normal cervical cell line (HaCaT). (B) RT-qPCR was used to determine relative expression levels of NSUN2 mRNA in HeLa and SiHa cells after transfection of shRNAs and incubation under hypoxia for 24 h. (C) Relative expression levels of MMP-9 mRNA in HeLa and SiHa cells transfected with the NSUN2 -interfering plasmid and incubated under hypoxia for 24 h. (D) Dot blot assay analysis of m 5 C expression levels in HeLa and SiHa cells after 48 h of hypoxia culture following transfection with NSUN2 knockdown plasmids. (E) Semi-quantitative analysis of dot blot results in HeLa cells. (F) Semi-quantitative analysis of dot blot results in SiHa cells. (G) Western blotting was used to investigate NSUN2 and MMP-9 protein levels in HeLa and SiHa cells transfected with the NSUN2 -interfering plasmid and incubated under hypoxia for 48 h. ImageJ was used to semi-quantify western blotting bands for (H) NSUN2 and (I) MMP-9 protein levels. (J) 2D tube-forming assays of HeLa and SiHa cells transfected with an NSUN2 -interfering plasmid and incubated under hypoxia. Scale bar, 100 µm. Original magnification, ×4. (K) Assay displayed in panel (J) was quantified using Image Pro. (L) Invasion assay of HeLa and SiHa cells transfected with a control plasmid, shNSUN2-2 or shNSUN2-3 or with shNSUN2 and pcDNA MMP-9. Scale bar, 200 µm. Original magnification, ×10. (M) Assay displayed in panel was quantified using Image Pro. (N) Migration assay of HeLa and SiHa cells transfected with a control plasmid, shNSUN2-2 or shNSUN2-3 or with shNSUN2 and pcDNA MMP-9. Scale bar, 200 µm. Original magnification, ×10. (O) Assay displayed in panel (N) was quantified using Image Pro. *P<0.05, **P<0.01 and ***P<0.001. VM, Vasculogenic mimicry; CC, cervical cancer; IHC, immunohistochemistry; NSUN2, NOP2/Sun RNA methyltransferase 2; m 5 C, 5-methylcytidine; RT-qPCR, reverse transcription-quantitative PCR; IHC, immunohistochemistry; CaSki, human cervical cancer cell line with intestinal metastasis; C33A, human cervical cancer cell line; HaCaT, human skin keratinocytes cell line; HeLa, human cervical cancer cell line; HT-3, human cervical cancer cell line; MMP9, matrix metalloproteinase 9; SiHa, human cervical squamous cell line; pcDNA, plasmid cloning DNA; shRNA, short hairpin RNA; NC, negative control.

    Article Snippet: The tissue samples were treated with PH9.0 EDTA repair solution for antigen retrieval and then treated with a rabbit polyclonal anti-CD31 antibody (1:2,000; cat. no. AB76533; Abcam), a rabbit polyclonal anti-NSUN2 antibody (1:200; cat. no. AB259941; Abcam) or a rabbit polyclonal anti-MMP-9 antibody (1:200; cat. no. 10375-2-AP; Proteintech Group, Inc.; Wuhan Sanying Biotechnology).

    Techniques: Migration, Expressing, Quantitative RT-PCR, Transfection, Incubation, Plasmid Preparation, Dot Blot, Knockdown, Quantitative Dot Blot, Western Blot, Invasion Assay, Control, Immunohistochemistry, Reverse Transcription, Real-time Polymerase Chain Reaction, Cloning, shRNA, Negative Control

    NSUN2 increases the stability of MMP-9 mRNA. (A) A positive correlation was observed between NSUN2 and MMP-9 mRNA expression levels in 44 pairs of samples from subjects with CC. Enrichment of the m 5 C modification of MMP-9 mRNA in HeLa (B) and SiHa (C) Cells were measured with anti-m 5 C methylated-RNA IP assays. Interaction of NSUN2 with MMP-9 mRNA in (D) HeLa and (E) SiHa cells was measured with anti- NSUN2 RNA IP assays. Stability of MMP-9 mRNA after interference with and overexpression of NSUN2 was measured in (F) HeLa and (G) SiHa cells. (H) A model illustrating the proposed mechanism by which NSUN2-mediated stabilization of MMP-9 mRNA promotes Vasculogenic mimicry in CC. NSUN2, NOP2/Sun RNA methyltransferase 2; m 5 C, 5-methylcytidine; pcDNA, plasmid cloning DNA; shRNA, short hairpin RNA; HeLa, human cervical cancer cell line; MMP9, matrix metalloproteinase 9; SiHa, human cervical squamous cell line; IP, immunoprecipitation; CC, cervical cancer; NC, negative control.

    Journal: Oncology Letters

    Article Title: RNA methyltransferase NSUN2 enhances vasculogenic mimicry and malignant progression of cervical cancer through upregulation of MMP-9

    doi: 10.3892/ol.2026.15518

    Figure Lengend Snippet: NSUN2 increases the stability of MMP-9 mRNA. (A) A positive correlation was observed between NSUN2 and MMP-9 mRNA expression levels in 44 pairs of samples from subjects with CC. Enrichment of the m 5 C modification of MMP-9 mRNA in HeLa (B) and SiHa (C) Cells were measured with anti-m 5 C methylated-RNA IP assays. Interaction of NSUN2 with MMP-9 mRNA in (D) HeLa and (E) SiHa cells was measured with anti- NSUN2 RNA IP assays. Stability of MMP-9 mRNA after interference with and overexpression of NSUN2 was measured in (F) HeLa and (G) SiHa cells. (H) A model illustrating the proposed mechanism by which NSUN2-mediated stabilization of MMP-9 mRNA promotes Vasculogenic mimicry in CC. NSUN2, NOP2/Sun RNA methyltransferase 2; m 5 C, 5-methylcytidine; pcDNA, plasmid cloning DNA; shRNA, short hairpin RNA; HeLa, human cervical cancer cell line; MMP9, matrix metalloproteinase 9; SiHa, human cervical squamous cell line; IP, immunoprecipitation; CC, cervical cancer; NC, negative control.

    Article Snippet: The tissue samples were treated with PH9.0 EDTA repair solution for antigen retrieval and then treated with a rabbit polyclonal anti-CD31 antibody (1:2,000; cat. no. AB76533; Abcam), a rabbit polyclonal anti-NSUN2 antibody (1:200; cat. no. AB259941; Abcam) or a rabbit polyclonal anti-MMP-9 antibody (1:200; cat. no. 10375-2-AP; Proteintech Group, Inc.; Wuhan Sanying Biotechnology).

    Techniques: Expressing, Modification, Methylation, Over Expression, Plasmid Preparation, Cloning, shRNA, Immunoprecipitation, Negative Control