Trypsin Inhibitors

Publication Title: 
Experimental and Toxicologic Pathology: Official Journal of the Gesellschaft Für Toxikologische Pathologie

AIM: Excessive production of inflammatory mediators during invasive infection plays a key role in the pathogenesis of sepsis. In an attempt to improve survival of patients with this lethal syndrome, agents were developed to selectively inhibit mediators in this inflammatory response. Ulinastatin (UTI), a human protease inhibitor, inhibits the enhanced production of pro-inflammatory molecules. However, it is unknown if Ulinastatin treatment could result in protective effects for sepsis. The aim of this study was to investigate the role of Ulinastatin on septic rats.

Author(s): 
Cao, Yi-zhan
Tu, Yan-yang
Chen, Xiang
Wang, Bo-liang
Zhong, Yue-xia
Liu, Ming-Hua
Publication Title: 
International Journal of Obesity (2005)

OBJECTIVE: To investigate the mechanisms underlying the satiety-promoting effects of a novel protease inhibitor concentrate derived from potato (PPIC). METHODS: The acute and prolonged effects of oral PPIC administration (100 mg kg(-1) per day) on food intake, body weight and gastric emptying were evaluated in healthy rats. Parameters of body weight, food intake, plasma glucose, insulin and cholecystokinin (CCK) were measured. Duodenal proteolytic activity and CCK expression were determined in tissue extracts.

Author(s): 
Komarnytsky, S.
Cook, A.
Raskin, I.
Publication Title: 
Journal of Neuroimmunology

The Bowman-Birk inhibitor (BBI) is a soybean-derived serine protease inhibitor with anti-inflammatory properties. Experimental autoimmune encephalomyelitis (EAE) serves as an animal model of the central nervous system (CNS) inflammatory disorder multiple sclerosis (MS). EAE is mediated by Th1 and Th17 cells which migrate into the CNS and initiate inflammation directed against myelin components, resulting in CNS pathology and neurological clinical deficit. We have shown previously that oral treatment with BBI delays onset of EAE and reduces its severity.

Author(s): 
Dai, Hong
Ciric, Bogoljub
Zhang, Guang-Xian
Rostami, Abdolmohamad
Publication Title: 
Yakugaku Zasshi: Journal of the Pharmaceutical Society of Japan

Banaba [Lagerstroemia speciosa (L.) Pers.] has been used as a folk medicine for diabetes in the Philippines. Using bioassay-guided separation, valoneaic acid dilactone (1) was isolated from the leaves as a potent alpha-amylase inhibitor. A simple and efficient method for the quantitative determination of valoneaic acid and its derivatives in Banaba extract was established. Valoneaic acid exists as the structural part of the polyphenols, which like flosin A, reginin A, and lagerstroemin, are characteristic constituents of Banaba.

Author(s): 
Hosoyama, Hirokazu
Sugimoto, Akio
Suzuki, Yuko
Sakane, Iwao
Kakuda, Takami
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