Matrix Metalloproteinase 9

Publication Title: 
International Journal of Molecular Medicine

To evaluate whether an aqueous seed extract of Terminalia chebula Retzius inhibited development of atopy in vivo, we used a 2,4-dinitrofluorobenzene (DNFB)-induced animal model of atopic symptoms to investigate the effects of the extract. We measured CD4+ cell numbers by hematoxylin and eosin (H&E) staining, and determined the expression levels of matrix metalloproteinase (MMP)-9, interleukin (IL)-31, and T-bet genes, in this animal model.

Author(s): 
Nam, Dong-Yoon
Lee, Jin-Man
Heo, Jin-Chul
Lee, Sang-Han
Publication Title: 
Phytotherapy research: PTR

Penta-O-galloyl-?-D-glucose (PGG) occurrs in high concentrations in medicinal herbs such as Rhus chinensis, Paeonia suffruticosa, Acer truncatum and Terminalia chebula, which demonstrate anti-inflammatory activity. We investigated the effect of PGG on stimulated and non-stimulated neutrophils in processes which included reactive oxygen species generation (ROS), metalloproteinase-9 and interleukin-8 secretion (IL-8), ?? integrin (CD11b) and L-selectin (CD62L) expression and apoptosis.

Author(s): 
Kiss, Anna K.
Filipek, Agnieszka
Zy?y?ska-Granica, Barbara
Naruszewicz, Marek
Publication Title: 
The Tohoku Journal of Experimental Medicine

Myocardial infarction (MI) leads to progressive left ventricular (LV) dilatation and is associated with interstitial fibrosis in the non-infarcted myocardium. The NF-?B signaling pathway plays an important role in ventricular remodeling after MI. Recent studies have indicated that the anti-malarial agent artemisinin can inhibit NF-?B activation, which may attenuate post-infarct myocardial remodeling. In this study, we investigated the effect of artemisinin on post-infarct myocardial remodeling using a rat model of MI.

Author(s): 
Gu, Yongwei
Wang, Xi
Wang, Xin
Yuan, Mingjie
Wu, Gang
Hu, Juan
Tang, Yanhong
Huang, Congxin
Publication Title: 
PloS One

Artemether is the derivative extracted from Chinese traditional herb and originally used for malaria. Artemether also has potential therapeutic effects against tumors. Vascular cell adhesion molecule-1 (VCAM-1) is an important cell surface adhesion molecule associated with malignancy of gliomas. In this work, we investigated the role and mechanism of artemether combined with shRNA interference of VCAM-1 (shRNA-VCAM-1) on the migration, invasion and apoptosis of glioma cells.

Author(s): 
Wang, Ying-Bin
Hu, Yi
Li, Zhen
Wang, Ping
Xue, Yi-Xue
Yao, Yi-Long
Yu, Bo
Liu, Yun-Hui
Publication Title: 
Molecular Medicine Reports

Paraquat (PQ)-induced pulmonary toxicity is known to result in pulmonary edema, infiltration of inflammatory cells and damage to the alveolar epithelium, which may progress to severe fibrosis. Matrix metalloproteinases (MMPs) and their physiological inhibitors, tissue inhibitors of matrix metalloproteinases (TIMPs), which degrade and remodel the excess extracellular matrix, are believed to play an important role in the development of fibrotic tissue. In this study, we examined the sequential expression of MMP-2, MMP-9 and TIMP-1 in a rat model of pulmonary fibrosis induced by PQ.

Author(s): 
Wang, Bo-liang
Tu, Yan-yang
Fu, Jian-Fang
Zhong, Yue-xia
Fu, Guo-Qiang
Tian, Xiao-xi
Wang, Li-He
Gong, Li
Ren, Qin-You
Publication Title: 
Journal of Ethnopharmacology

Datura alba Nees (Solanaccae) is popular all over the world for its medicinal uses in asthma, muscle spasm, whooping cough, hemorrhoids, skin ulcers, etc. In India, it is widely used traditionally for the relief of rheumatism and other painful affections. Ayurveda and Siddha practitioners use oil based preparations of this plant from ancient days to till date for all types of wounds. Hence, the present study was chosen to evaluate its scientific validity. The alcohol extract of the D. alba leaves were investigated for the evaluation of its healing efficiency on burn wound models in rats.

Author(s): 
Priya, K. Shanmuga
Gnanamani, A.
Radhakrishnan, N.
Babu, Mary
Publication Title: 
The Journal of Surgical Research

BACKGROUND: Wound infection is a major problem in the medical community since many types of wounds are more prone to microbial contamination leading to infection. Triphala (a traditional ayurvedic herbal formulation) incorporated collagen sponge was investigated for its healing potential on infected dermal wound in albino rats. MATERIALS AND METHODS: Methanol extract of triphala was prepared and analyzed for the presence of catechin by high-pressure liquid chromatography analysis. Collagen sponge was prepared by incorporating triphala into collagen sponge.

Author(s): 
Kumar, Muthusamy Senthil
Kirubanandan, Shanmugam
Sripriya, Ramasamy
Sehgal, Praveen Kumar
Publication Title: 
Molecular Cancer Therapeutics

Epidemiologic studies have suggested an inverse correlation between dietary intake of cruciferous vegetables and cancer risk. It is thus of interest to investigate the anticancer potential of phytochemicals presented in cruciferous vegetables. In this study, methyl-3-indolylacetate (MIA), a cruciferous indole for which the bioactivity has not been previously reported, was found to significantly suppress the invasion of cancer cells stimulated by the 12-O-tetradecanoyl-phorbol-13-acetate (TPA).

Author(s): 
Zhang, Siyuan
Li, Zhi
Wu, Ximei
Huang, Qing
Shen, Han-Ming
Ong, Choon-nam
Publication Title: 
Journal of Immunology (Baltimore, Md.: 1950)

A striking feature of pulmonary infection with the Gram-negative intracellular bacterium Francisella tularensis, a category A biological threat agent, is an intense accumulation of inflammatory cells, particularly neutrophils and macrophages, at sites of bacterial replication.

Author(s): 
Malik, Meenakshi
Bakshi, Chandra Shekhar
McCabe, Kathleen
Catlett, Sally V.
Shah, Aaloki
Singh, Rajendra
Jackson, Patricia L.
Gaggar, Amit
Metzger, Dennis W.
Melendez, J. Andres
Blalock, J. Edwin
Sellati, Timothy J.
Publication Title: 
Arthritis and Rheumatism

OBJECTIVE: Expression of matrix metalloproteinase 9 (MMP-9) is up-regulated in osteoarthritis (OA) and usually presents as multiple bands when synovial fluid (SF) from OA patients is analyzed by zymography. Among these bands is an approximately 125-130-kd band for high molecular weight (HMW) gelatinase, which has not been characterized. This study was undertaken to characterize the HMW MMP activity in OA SF. METHODS: MMP activity in OA SF was determined by gelatin zymography. Recombinant MMPs were used to identify MMP activity on the zymogram.

Author(s): 
Gupta, Kalpana
Shukla, Meenakshi
Cowland, Jack B.
Malemud, Charles J.
Haqqi, Tariq M.

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