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Search Results (21)
  • Open Access

    ARTICLE

    Macrophage-derived SHP-2 inhibits the metastasis of colorectal cancer via Tie2-PI3K signals

    XUELIANG WU1,#, SHAOYU GUAN2,#, YONGGANG LU3, JUN XUE4, XIANGYANG YU1, QI ZHANG5,*, XIMO WANG1,5,*, TIAN LI6

    Oncology Research, Vol.31, No.2, pp. 125-139, 2023, DOI:10.32604/or.2023.028657

    Abstract This research aimed to explore the influence of Src homology-2 containing protein tyrosine phosphatase (SHP- 2) on the functions of tyrosine kinase receptors with immunoglobulin and EGF homology domains 2 (Tie2)-expressing monocyte/macrophages (TEMs) and the influence of the angiopoietin(Ang)/Tie2-phosphatidylinositol-3-kinase (PI3K)/protein kinase B (Akt)/mammalian target of rapamycin (mTOR) (Ang/Tie2-PI3K/Akt/mTOR) signaling pathway on the tumor microvascular remodeling in an immunosuppressive microenvironment. In vivo, SHP-2- deficient mice were used to construct colorectal cancer (CRC) liver metastasis models. SHP-2-deficient mice had significantly more metastatic cancer and inhibited nodules on the liver surface than wild-type mice, and the high-level expression of p-Tie2 was found in… More > Graphic Abstract

    Macrophage-derived SHP-2 inhibits the metastasis of colorectal cancer via Tie2-PI3K signals

  • Open Access

    ARTICLE

    Macrophage-derived exosomal miR-342-3p promotes the progression of renal cell carcinoma through the NEDD4L/CEP55 axis

    JIAFU FENG1,2,#,*, BEI XU1,2,#, CHUNMEI DAI1,2,#, YAODONG WANG1,4, GANG XIE1,5, WENYU YANG1,2, BIN ZHANG1,2, XIAOHAN LI6, JUN WANG3

    Oncology Research, Vol.29, No.5, pp. 331-349, 2021, DOI:10.32604/or.2022.03554

    Abstract Due to its difficulty in early diagnosis and lack of sensitivity to chemotherapy and radiotherapy, renal cell carcinoma (RCC) remains to be a frequent cause of cancer-related death. Here, we probed into new targets for its early diagnosis and treatment for RCC. microRNA (miRNA) data of M2-EVs and RCC were searched on the Gene Expression Omnibus database, followed by the prediction of the potential downstream target. Expression of target genes was measured via RT-qPCR and Western blot, respectively. M2 macrophage was obtained via flow cytometry with M2-EVs extracted. The binding ability of miR-342-3p to NEDD4L and to CEP55 ubiquitination was… More >

  • Open Access

    ARTICLE

    Polarized Autologous Macrophages (PAM) Can Be a Tumor Vaccine

    Dongqing Wang1,*, Heying Chen1, Yi Hu2,*

    Oncologie, Vol.24, No.3, pp. 441-449, 2022, DOI:10.32604/oncologie.2022.024898

    Abstract Immunotherapy is currently recognized as one of the most promising anticancer strategies. In the tumor microenvironment, tumor-associated macrophages are mainly M2-type macrophages with tumor-promoting effects. Therefore, the reprogramming of tumor-associated macrophages from M2 to M1 type is a potential strategy for cancer therapy. We have previously shown the anticancer effects of implantable allogeneic M1 macrophages in mice. Here, we further engineered autologous mouse bone marrow cells into M1 macrophages and then embedded them into a sodium alginate gel to prepare an implantable immunotherapeutic agent (M1@Gel). We demonstrate that M1@Gel repolarizes M2 macrophages to M1 type and activates the immune responses… More >

  • Open Access

    ARTICLE

    BET protein inhibitor apabetalone represses Porphyromonas gingivalis LPS-induced macrophage M1 polarization via regulating miR-130a/STAT3 axis

    MEIHUA CHEN1,2, HUIHUI WANG3, XIAOFENG CHEN1,2, YAN CHEN1,2, TIANYING BIAN1,2,*

    BIOCELL, Vol.46, No.10, pp. 2281-2289, 2022, DOI:10.32604/biocell.2022.020697

    Abstract Periodontitis is a frequent chronic inflammatory disorder destroying periodontium. Recent studies have revealed the role of bromodomain and extraterminal domain inhibitor (BETi) and microRNA (miR)-130a in regulating macrophage polarization and pro-inflammatory response. However, little is known about whether apabetalone (a novel BETi) and miR-130a are correlated with chronic inflammatory state in periodontitis by regulating macrophage polarization. Here murine RAW264.7 macrophages were applied as an in vitro inflammatory model. After treatment with Porphyromonas gingivalis-derived lipopolysaccharide (Pg LPS) and apabetalone, the expression of macrophage M1 polarization markers and inflammatory cytokines was assessed using real-time PCR, western blot, and enzyme-linked immuno sorbent assay… More >

  • Open Access

    ARTICLE

    Tumor-Associated Macrophages Facilitate the Proliferation and Migration of Cervical Cancer Cells

    Yi Zheng1, Youyou Wang2, Chen Zou1, Bicheng Hu2, Min Zhao2, Xinxing Wu2,*

    Oncologie, Vol.24, No.1, pp. 147-161, 2022, DOI:10.32604/oncologie.2022.019236

    Abstract Tumor-associated macrophages (TAMs) are important components in tumor microenvironment. This study intended to explore the influence of TAMs on cervical cancer cells proliferation and migration. The expression levels of TAMs markers, CD68 and CD163, in tissues were examined by immunohistochemistry and increased with the progression of cervical lesions (p < 0.05). TAMs with M2-like phenotype (PMA(Polymethacrylate) induced THP-1 cells) were noticed to promote the proliferation of cervical cancer cells and improve the migration ability of tumor cells. These enhancements were attributed to secreting soluble components and the physical contact between macrophages and tumor cells. The tumor formation and tumor growth… More >

  • Open Access

    ARTICLE

    Intrauterine high androgen promotes obesity of the offspring of rats with polycystic ovarian syndrome via activating macrophage-angiogenesis-related androgen signaling

    MIN CHEN1,#, YUAN HUANG2,#, WEN XU2, CHUNLIN SU2,*

    BIOCELL, Vol.46, No.6, pp. 1505-1519, 2022, DOI:10.32604/biocell.2022.016564

    Abstract The development of polycystic ovary syndrome (PCOS) is closely related to the chronic inflammatory and obese. Recent studies have found macrophages regulate the chronic inflammation and adipose tissue remodelling, but the underlying mechanisms have not been clarified. In this study, we established a model of PCOS in the offspring rats by high androgen exposure during late pregnancy in parental and established a female rat macrophage eliminating model by rejection of clodronate liposome. Then, the offspring rat macrophage phenotype in offspring female rat adipose tissue, and levels of testosterone, angiogenic factors (PDGF and VEGF) and inflammatory factors (TNF-α and MCP-1) were… More >

  • Open Access

    ARTICLE

    Human β-defensin 2 enhances IL-1β production and pyroptosis through P2X7-mediated NLRP3 expression in macrophages

    PANPAN WANG1,2, GANG LI3, LI GAO1,2, CHUANJIANG ZHAO1,2

    BIOCELL, Vol.46, No.5, pp. 1197-1207, 2022, DOI:10.32604/biocell.2022.016607

    Abstract Periodontal disease is the leading cause of tooth loss, which is also a high-risk factor for other diseases including oral cancer and cardiovascular disease. Periodontitis is one of the most common type of periodontal diseases. Interleukin-1β (IL-1β) plays a key role in the pathogenesis of periodontitis. However, the mechanism how IL-1β is produced during periodontitis is still unclear. In the present study, we found that human β-defensin 2 (hBD2) enhances IL-1β production through an LPS-primed human acute monocytic leukemia (THP-1) macrophage model. Inhibition of P2X purinoceptor 7 (P2X7) reduced hBD2-enhanced IL-1β production. Incubation of LPS-primed THP-1 macrophages with potassium chloride… More >

  • Open Access

    ARTICLE

    miRNA-148b-3p targeting SOCS3 inhibits macrophage M2 polarization by JAK2/STAT3 pathway in immune thrombocytopenia

    YANG YANG, LIJUAN FU, CHUNMEI CHEN, MEIWEI HU

    BIOCELL, Vol.46, No.5, pp. 1319-1328, 2022, DOI:10.32604/biocell.2022.015760

    Abstract Aberrant expression of miRNAs is significantly correlated with the occurrence of immune thrombocytopenic purpura (ITP). The immune imbalance of M1/M2 macrophage contributes to the development of ITP. However, the role of miR-148b-3p in macrophage phenotype imbalance remains unknown in ITP. In this study, we aimed to explore whether miR-148b-3p inhibits M2 macrophage polarization in ITP and to investigate the underlying mechanism. Peripheral blood from 22 ITP patients were collected, and real-time PCR confirmed that miR-148b-3p was up-regulated and Western blot analyses detected the expression of SOCS3 was down-regulated. Subsequent dual-luciferase reporter gene assay indicated that miR-148b-3p could bind to SOCS3.… More >

  • Open Access

    RETRACTION

    Retraction: M1 macrophage-derived exosomes moderate the differentiation of bone marrow mesenchymal stem cells

    TAILIN WU1,#; XIANG ZHOU2,#; CANHUA YE1; WENCAN LU1; HAITAO LIN1; YANZHE WEI1; ZEKAI KE1; ZHENGJI HUANG1; JIANZHOU LUO1; HUIREN TAO1; CHUNGUANG DUAN1,*

    BIOCELL, Vol.46, No.4, pp. 1123-1123, 2022, DOI:10.32604/biocell.2022.020679

    Abstract This article has no abstract. More >

  • Open Access

    ARTICLE

    M1 macrophage-derived exosomes moderate the differentiation of bone marrow mesenchymal stem cells

    TAILIN WU1,#, XIANG ZHOU2,#, CANHUA YE1, WENCAN LU1, HAITAO LIN1, YANZHE WEI1, ZEKAI KE1, ZHENGJI HUANG1, JIANZHOU LUO1, HUIREN TAO1, CHUNGUANG DUAN1,*

    BIOCELL, Vol.46, No.2, pp. 495-503, 2022, DOI:10.32604/biocell.2022.015214

    Abstract Differentiated macrophages have been proven to participate in the development of mesenchymal stem cells in different tissues. However, the regulatory processes remain obscure. Exosomes, which are key secretions of macrophages, have attracted increasing attention. Therefore, macrophage-derived exosomes may modulate the development of Bone marrow mesenchymal stem cells (BMMSCs). Different culture conditions were used to induce M1 polarization in THP1 cells. Subsequently, exosomes derived from unpolarized (M0) and polarized (M1) macrophages were isolated, BMMSCs were cultured with normal complete medium or inductive medium supplemented with M0 or M1 derived exosomes, and the osteogenic capacity of the BMMSCs was measured and analyzed.… More >

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