Heme oxygenase-1 expression in oral squamous cell carcinoma as involved in lymph node metastasis

Tsuji, Masakatsu; Yanagawa, Toru; Iwasa, Satoshi; Tabuchi, Katsuhiko; Onizawa, Kojiro; Bannai, Shiro; Toyooka, Hidenori; Yoshida, Hiroshi

doi:10.1016/s0304-3835(98)00372-3

Cited by 70 publications

(69 citation statements)

References 19 publications

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“…Induction of HO-1 by cobalt protoporphyrin or Ad-HO-1 infection inhibited the proliferation of breast carcinoma cells (16). In human colorectal and oral carcinomas, HO-1 induction may contribute to lowering the risk of lymph node metastasis (33,34). Moreover, down-regulation of HO-1 has been identified in association with increasing of malignant progression of hepatocellular carcinoma (35).…”

Section: Discussionmentioning

confidence: 97%

Heme oxygenase-1 inhibits breast cancer invasion via suppressing the expression of matrix metalloproteinase-9

Lin¹,

Shen

Hou

et al. 2008

Molecular Cancer Therapeutics

111

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In the present study, we investigated the antitumor effects of the invasiveness and migration of heme oxygenase 1 (HO-1) in human breast carcinoma cells. 12-O-tetradecanoylphorbol-13-acetate (TPA) -induced matrix metalloproteinase-9 (MMP-9) enzyme activity and gene expression at both protein and mRNA levels were examined in human breast carcinoma cells (MCF-7 and MDA-MB-231), and the addition of the MMP-9 inhibitor, SB3CT, significantly suppressed TPA-induced invasion and migration according to the in vitro Transwell assay. Elevation of HO-1 gene expression by ferric protoporphyrin IX inhibited TPA-induced invasion of MCF-7 cells, which was blocked by adding the heme oxygenase inhibitor, tin protoporphyrin IX, or transfection of cells with HO-1 short hairpin RNA. MCF-7 cells overexpressing HO-1 (MCF-7/HO-1) were established in the present study, and TPA-induced MMP-9 gene expression, tumor invasion, and colony formation were significantly reduced in MCF-7/HO-1 cells, compared with those in Neo-transfected cells. Activation of protein kinase CA/extracellular signalregulated kinases/AP-1 with stimulation of reactive oxygen species production was involved in TPA-induced invasion of MCF-7 cells, which was attenuated by HO-1 protein induced by ferric protoporphyrin IX or transfection of HO-1 expression vectors. Additionally, the addition of carbon monoxide, but not ferric ions, biliverdin, or bilirubin, inhibited TPA-induced invasion through suppressing MMP-9, extracellular signal-regulated kinases, and AP-1 activation stimulated by TPA. The beneficial role of HO-1 in blocking tumor invasion was first identified in this study.

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Section: Discussionmentioning

confidence: 97%

Heme oxygenase-1 inhibits breast cancer invasion via suppressing the expression of matrix metalloproteinase-9

Lin¹,

Shen

Hou

et al. 2008

Molecular Cancer Therapeutics

111

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“…Elevated expression of HO-1 has also been observed in various tumor cells, including human adenocarcinoma, hepatoma, glioblastoma, melanoma, and squamous carcinoma cells (Goodman et al, 1997;Doi et al, 1999;Tsuki et al, 1999;Deininger et al, 2000;TorisuItakura et al, 2000). Furthermore, increased HO-1 immunoreactive staining is found in benign prostatic hyperplasia and malignant prostate tissue (Maines and Abrahamsson, 1996).…”

Section: Ho-1 and Cell Proliferationmentioning

confidence: 99%

Heme oxygenase‐1 in growth control and its clinical application to vascular disease

Durante

2003

Journal Cellular Physiology

143

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Heme oxygenase-1 (HO-1) catalyzes the degradation of heme to carbon monoxide (CO), iron, and biliverdin. Biliverdin is subsequently metabolized to bilirubin by the enzyme biliverdin reductase. Although interest in HO-1 originally centered on its heme-degrading function, recent findings indicate that HO-1 exerts other biologically important actions. Emerging evidence suggests that HO-1 plays a critical role in growth regulation. Deletion of the HO-1 gene or inhibition of HO-1 activity results in growth retardation and impaired fetal development, whereas HO-1 overexpression increases body size. Although the mechanisms responsible for the growth promoting properties of HO-1 are not well established, HO-1 can indirectly influence growth by regulating the synthesis of growth factors and by modulating the delivery of oxygen or nutrients to specific target tissues. In addition, HO-1 exerts important effects on critical determinants of tissue size, including cell proliferation, apoptosis, and hypertrophy. However, the actions of HO-1 are highly variable and may reflect a role for HO-1 in maintaining tissue homeostasis. Considerable evidence supports a crucial role for HO-1 in blocking the growth of vascular smooth muscle cells (SMCs). This antiproliferative effect of HO-1 is mediated primarily via the release of CO, which inhibits vascular SMC growth via multiple pathways. Pharmacologic or genetic approaches targeting HO-1 or CO to the blood vessel wall may represent a promising, novel therapeutic approach in treating vascular proliferative disorders.

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“…HO-1 has been detected in several cancer cell lines (17)(18)(19) and tumors (20)(21)(22)(23)(24), but its functional relevance is still controversial. Recently, we have reported the expression of HO-1 in human PCa (25).…”

Section: Introductionmentioning

confidence: 99%

Critical Role of Endogenous Heme Oxygenase 1 as a Tuner of the Invasive Potential of Prostate Cancer Cells

Gueron

Siervi

Ferrando

et al. 2009

Molecular Cancer Research

109

144

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Prostate cancer (PCa) is the second leading cause of cancer-associated death in men. Inflammation has been recognized as a risk factor for this disease. Heme oxygenase 1 (HO-1), the inducible isoform of the rate-limiting enzyme in heme degradation, counteracts oxidative and inflammatory damage. Here, we investigated the regulated expression of HO-1 and its functional consequences in PCa. We studied the effect of genetic and pharmacologic disruption of HO-1 in the growth, invasion, and migration in androgen-sensitive (MDA PCa2b and LNCaP) and androgen-insensitive (PC3) PCa cell lines. Our results show that HO-1 levels are markedly decreased in PC3 compared with MDA PCa2b and LNCaP. Hemin treatment increased HO-1 at both protein and mRNA levels in all cell lines and decreased cell proliferation and invasion. Furthermore, overexpression of HO-1 in PC3 resulted in markedly reduced cell proliferation and migration. Accordingly, small interfering RNA-mediated silencing of HO-1 expression in MDA PCa2b cells resulted in increased proliferation and invasion. Using reverse transcription-quantitative PCR-generated gene array, a set of inflammatory and angiogenic genes were upregulated or downregulated in response to HO-1 overexpression identifying matrix metalloprotease 9 (MMP9) as a novel downstream target of HO-1. MMP9 production and activity was downregulated by HO-1 overexpression. Furthermore, PC3 cells stably transfected with HO-1 (PC3HO-1) and controls were injected into nu/nu mice for analysis of in vivo tumor xenograft phenotype. Tumor growth and MMP9 expression was significantly reduced in PC3HO-1 tumors compared with control xenografts. Taken together, these results implicate HO-1 in PCa cell migration and proliferation suggesting its potential role as a therapeutic target in clinical settings. (Mol Cancer Res 2009;7(11):1745-55)

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Heme oxygenase-1 expression in oral squamous cell carcinoma as involved in lymph node metastasis

Cited by 70 publications

References 19 publications

Heme oxygenase-1 inhibits breast cancer invasion via suppressing the expression of matrix metalloproteinase-9

Heme oxygenase-1 inhibits breast cancer invasion via suppressing the expression of matrix metalloproteinase-9

Heme oxygenase‐1 in growth control and its clinical application to vascular disease

Critical Role of Endogenous Heme Oxygenase 1 as a Tuner of the Invasive Potential of Prostate Cancer Cells

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