JINJIN FU^1,#, XIAOYUE FENG^2,#, JUAN WEI², XIANG GENG¹, YU GONG¹, FENGDONG LI¹, SHAOHUA ZHUANG¹, JIN HUANG¹, FANGYU WANG^2,*

BIOCELL, Vol.47, No.12, pp. 2627-2639, 2023, DOI:10.32604/biocell.2023.042586

Abstract Background: This study aimed to elucidate the potential mechanisms through which bone marrow-derived mesenchymal stem cells (BM-MSCs) may be effective in alleviating experimental colitis induced by treatment with 2,4,6-trinitrobenzene-sulfonate acid (TNBS), specifically through autophagy modulation. Methods: BM-MSCs were collected from BALB/c mice for subsequent experiments. The study employed cell counting kits (CCK-8) to investigate the impact of the MSC-conditioned medium (M medium) on the proliferation of RAW264.7 macrophages. The GFP-mRFP-LC3 adenovirus was transfected into RAW264.7 to detect autophagic flux. The gene expression of cytokines was assessed through quantitative reverse transcription polymerase chain reaction (qRT-PCR). Western blot analysis was employed to… More >

CHANG SEOK LEE¹, YONG JAE SHIN¹, CHEOLHEE WON¹, YUN-SONG LEE², CHUNG-GYU PARK³, SANG-KYU YE^1*, MYUNG-HEE CHUNG¹

BIOCELL, Vol.33, No.2, pp. 107-114, 2009, DOI:10.32604/biocell.2009.33.107

Abstract Cyclooxygenase-2 (COX-2) is a key inflammatory response molecule, and associated with many immune functions of monocytes/macrophages. Particularly, interferon gamma (IFNγ)-induced COX-2 expression appears in inflammatory conditions such as viral infection and autoimmune diseases. Recently, statins have been reported to show variable effects on COX-2 expression, and on their cell and species type dependences. Based on the above description, we compared the effect of simvastatin on IFNγ-induced COX2 expression in human monocytes versus murine macrophages. In a result, we found that simvastatin suppresses IFNγ-induced COX-2 expression in human THP-1 monocytes, but rather, potentiates IFNγ-induced COX-2 expression in murine RAW264.7 macrophages. However,… More >