Role of the mucus gel layer in the healing of acetic acid-induced gastric ulcers in rats. 1989

N Misaki, and O Kawano, and M Uchida, and K Matsueda, and A Muraoka, and N Umeda
Research & Development Division, Grelan Pharmaceutical Co., Ltd., Tokyo, Japan.

Changes in the pH gradient and thickness of the mucus gel layer in the healing of acetic acid-induced gastric ulcers in rats were investigated. The maximum of the pH gradient and the thickness of mucus gel layer at the edge of ulcers and in the regenerated mucosa were higher, decreased gradually with the healing of the ulcers and finally reached normal values. This indicates that mucus and bicarbonate are secreted actively from the mucosa surrounding an ulcer and that they play an important role in protection of the base of ulcers and in acceleration of the healing of the ulcers.

UI MeSH Term Description Entries
D008297 Male Males
D009093 Mucus The viscous secretion of mucous membranes. It contains mucin, white blood cells, water, inorganic salts, and exfoliated cells.
D011919 Rats, Inbred Strains Genetically identical individuals developed from brother and sister matings which have been carried out for twenty or more generations or by parent x offspring matings carried out with certain restrictions. This also includes animals with a long history of closed colony breeding. August Rats,Inbred Rat Strains,Inbred Strain of Rat,Inbred Strain of Rats,Inbred Strains of Rats,Rat, Inbred Strain,August Rat,Inbred Rat Strain,Inbred Strain Rat,Inbred Strain Rats,Inbred Strains Rat,Inbred Strains Rats,Rat Inbred Strain,Rat Inbred Strains,Rat Strain, Inbred,Rat Strains, Inbred,Rat, August,Rat, Inbred Strains,Rats Inbred Strain,Rats Inbred Strains,Rats, August,Rats, Inbred Strain,Strain Rat, Inbred,Strain Rats, Inbred,Strain, Inbred Rat,Strains, Inbred Rat
D005782 Gels Colloids with a solid continuous phase and liquid as the dispersed phase; gels may be unstable when, due to temperature or other cause, the solid phase liquefies; the resulting colloid is called a sol.
D006863 Hydrogen-Ion Concentration The normality of a solution with respect to HYDROGEN ions; H+. It is related to acidity measurements in most cases by pH pH,Concentration, Hydrogen-Ion,Concentrations, Hydrogen-Ion,Hydrogen Ion Concentration,Hydrogen-Ion Concentrations
D000085 Acetates Derivatives of ACETIC ACID. Included under this heading are a broad variety of acid forms, salts, esters, and amides that contain the carboxymethane structure. Acetate,Acetic Acid Esters,Acetic Acids,Acids, Acetic,Esters, Acetic Acid
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D013276 Stomach Ulcer Ulceration of the GASTRIC MUCOSA due to contact with GASTRIC JUICE. It is often associated with HELICOBACTER PYLORI infection or consumption of nonsteroidal anti-inflammatory drugs (NSAIDS). Gastric Ulcer,Gastric Ulcers,Stomach Ulcers,Ulcer, Gastric,Ulcer, Stomach,Ulcers, Gastric,Ulcers, Stomach
D013997 Time Factors Elements of limited time intervals, contributing to particular results or situations. Time Series,Factor, Time,Time Factor
D014945 Wound Healing Restoration of integrity to traumatized tissue. Healing, Wound,Healings, Wound,Wound Healings

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