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ADAM metallopeptidase domain (ADAM)9, 10 and 17 have α-secretase activity that regulates ectodomain shedding of factors involved in inflammation, cell proliferation, angiogenesis, and wound healing. The secretase activity of ADAM proteins is known to induce an inflammatory response. However, under
Study of the spectrum of acid proteases of dog gastric juice secreted in response to different stimuli in health and atophan gastric ulcer has shown that gastric juice may contain up to 17 proteases as evaluated from relative electrophoretic mobility of protease fractions. In individually taken
OBJECTIVE
Cathepsin B and L (cysteine proteases), urokinase- and tissue-type plasminogen activators (serine proteases), and type-1 inhibitor are involved in gastric mucosal injury. We determined tissue protease levels in duodenal ulcer and their relationship to ulcer phase, bleeding tendency,
Disc-electrophoretic investigation of proteases of the gastric juice of dogs under normal conditions and in experimental atophan ulcer of the stomach demonstrated that in fasting dogs ulceration was accompanied by marked quantitative changes in the protease spectrum. Fraction No. 6 showed a
BACKGROUND
Venous leg ulcers are a common and recurring type of complex wound. They can be painful, malodorous, prone to infection and slow to heal. Standard treatment includes compression therapy and a dressing. The use of protease-modulating treatments for venous leg ulcers is increasing. These
In combination with routine gastric secretion test and endoscopic congo red test, alkali labile pepsin (ALP) and alkali stable pepsin (ASP) were separately determined in total of 41 patients with peptic ulcer including 20 gastric (GU), 12 duodenal (DU) and 9 gastroduodenal ulcers (GDU), and in 10
Abnormally high levels of some proteases are associated with pathological changes in the wound bed of venous leg ulcers. This study involved two experiments which measured proteases in wound fluid harvested from leg ulcers in order to predict healing. In the first experiment, neutrophil elastase, a
Using a micro-electroimmune assay, the concentration of polymorphonuclear leucocyte neutral collagenolytic protease, serum-albumin, alpha-1-antitrypsin and alpha-2-macroglobulin were measured in the tear fluid from 18 eyes of 16 patients with severe, melting corneal ulcers. By this method, PML-c-ase
Four patients with central melting perforating corneal ulcers were treated by n-butylcyano acrylate gluing of the ulcer region. The glue facilitated healing of the eyes, and when the glue scaled off weeks later the corneas were left with stable leucomas. The glue membrane appears to prevent
Using a simple hemoglobin method on the basis of Anson-Mirsky's method, acid protease levels in serum were measured at pH 1.8 (pepsin) and pH 3.5 (gastricsin) in 18 healthy controls and 14 patients with duodenal ulcer, 19 patients with gastric ulcer and 18 patients with gastric cancer. Though acid
Venous leg ulcers (VLUs) are open skin wounds on the lower leg that occur because of poor blood flow in the veins of the leg; leg ulcers can last from weeks to years, and are both painful and costly. Prevalence in the UK is about 2.9 cases per 10,000 people. First-line treatment for VLUs is
BACKGROUND
The development of painful leg ulcers in the ankle area is a rare and only partially described complication in patients receiving high-dose, long-term hydroxyurea treatment for myeloproliferative diseases. Several reports have described treatments for chronic wound management with this
Proteases play a critical role in many of the physiologic processes of wound repair. However, if their activity becomes uncontrolled proteases can mediate devastating tissue damage and consequently they have been implicated in chronic wound pathophysiology. Previous studies have shown that chronic
Proteases play a pivotal role in many signaling pathways; inhibitors of well-established proteases have shown a substantial therapeutic success. This study aimed to examine the in vivo effects of 3 protease inhibitors isolated from Bauhinia species: i) Bauhinia mollis elastase
BACKGROUND
Stringent control of proteolytic activity represents a major therapeutic approach for wound-bed preparation.
OBJECTIVE
We tested whether a protease-modulating polyacrylate- (PA-) containing hydrogel resulted in a more efficient wound-bed preparation of venous leg ulcers when compared to