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Role of transforming growth factor β1 in the inhibition of gastric cancer cell proliferation by melatonin in vitro and in vivo.
Authors: Liu H, Zhu Y, Zhu H, Cai R, Wang KF, Song J, Wang RX, Zhou RX Abstract Transforming growth factor β (TGF‑β) is a polypeptide growth factor with various biological activities, and is widely distributed in various tissues. In mammals, TGF‑β has three isoforms: TGF‑β1, 2, and 3, of which TGF‑β1 is most abundant in the TGF‑β family. TGF‑β1 is closely related to the occurrence and development of tumors. A large number of previous studies have shown that melatonin can inhibit a variety of malignancies. Thus, the aim of the present study was to investigate the role of TGF‑β1 in the melatonin...
Source: Oncology Reports - June 8, 2019 Category: Cancer & Oncology Tags: Oncol Rep Source Type: research

Systems Biology Approaches and Precision Oral Health: A Circadian Clock Perspective
Conclusion Most head and neck pathologies show a broad cellular heterogeneity making it difficult to achieve an accurate diagnosis and efficient treatment (Graf and Zavodszky, 2017; Lo Nigro et al., 2017). Single cell analysis of circadian omics (Lande-Diner et al., 2015; Abraham et al., 2018), may be a crucial tool needed in the future to fully understand the circadian control of head and neck diseases. It becomes more obvious that there is only a small genetic component but a largely unknown epigenetics and/or environmental component for most of the head and neck pathologies (Moosavi and Motevalizadeh Ardekani, 2016; He...
Source: Frontiers in Physiology - April 15, 2019 Category: Physiology Source Type: research

Involvement of nuclear receptor RZR/RORγ in melatonin-induced HIF-1α inactivation in SGC-7901 human gastric cancer cells.
Authors: Wang RX, Liu H, Xu L, Zhang H, Zhou RX Abstract The melatonin nuclear receptor is an orphan member of the nuclear receptor superfamily RZR/ROR, which consists of three subtypes (α, β and γ), suggesting that immunomodulatory and antitumor effects through the intracellular action of melatonin depend on nuclear signaling. In the present study, the biological mechanisms of melatonin were elucidated in association with the RZR/RORγ pathway in SGC-7901 human gastric cancer cells under hypoxia. Melatonin suppressed the activity of RZR/RORγ and SUMO-specific protease 1 (SENP1) signaling pathway, which is esse...
Source: Oncology Reports - September 6, 2015 Category: Cancer & Oncology Tags: Oncol Rep Source Type: research