نتایج جستجو برای: mucosal fold
تعداد نتایج: 177961 فیلتر نتایج به سال:
abstract in this presentation, a case of bilateral choroidal folds in patient with diabetic retinopathy was reported. by our knowledge, this case presentation is the first report of choroidal folds in diabetic retinopathy, which bilateral symmetric and horizontal folds arranged in macula. the thick choroid that is developed in diabetics may be a cause of these folds but the source of difference...
An under-sized three-month-old female bull terrier was referred with a history of regurgitation since three days of age. Thoracic radiographs were unremarkable, while abdominal radiographs showed a distended stomach, despite a 12 hour fast. Abdominal ultrasonography revealed gastric outflow obstruction of unclear aetiology. Coeliotomy was performed, during which an excessive mucosal fold at the...
Understanding early events of HIV transmission within mucosal tissues is vital for developing effective prevention strategies. Here, we report that primary stromal fibroblasts isolated from endometrium, cervix, foreskin, male urethra, and intestines significantly increase HIV infection of CD4+ T cells-by up to 37-fold for R5-tropic HIV and 100-fold for X4-tropic HIV-without themselves becoming ...
Trypanosoma cruzi is a protozoan parasite that can initiate mucosal infection after conjunctival exposure. The anatomical route of T. cruzi invasion and spread after conjunctival parasite contamination remains poorly characterized. In the present work we have identified the sites of initial invasion and replication after contaminative conjunctival challenges with T. cruzi metacyclic trypomastig...
introduction domestic and industrial swallowing of caustic substances can cause acute and chronic injuries. in the acute phase of care, focus is on the immediate control of tissue damage and perforation, and in the chronic phase, the focus is on the treatment of pharyngeal narrowing and impaired swallowing. conclusions treatment of esophageal burn lesions is by immediate and delayed removing of...
Objectives: Sputnik-V (Gam-COVID-Vac) is a recombinant adenoviral (rAdv) vector-based, COVID-19 vaccine now used in >70 countries. Mucosal immunity thought to be important for protection against COVID-19. We did prospective cohort study assess Sputnik-V–elicited mucosal SARS-CoV-2 antibody responses. Methods: divided 82 COVID-19–free participants into prior and no groups followed them at day...
OBJECTIVES This study evaluated the safety and effectiveness of injection of autologous fibroblasts into the lamina propria layer to treat vocal fold scarring. STUDY DESIGN A prospective, open-label, single arm, pilot study at a single tertiary care center. METHODS Autologous fibroblasts were expanded in cell culture from punch biopsies of the buccal mucosa of five human subjects with vocal...
In vivo rectal dialysis was used to study rectal mucosal release of immunoreactive prostaglandin E2-like material and its relation to disease activity, rectal electrical potential difference (PD), and treatment in 24 patients with ulcerative colitis. In untreated colitics in remission and in relapse, median values for apparent mucosal prostaglandin E2 (PGE2) release were increased three-fold (P...
Prostaglandin E(2) plays an important role in the maintenance of gastric mucosal integrity. The level of biologically active prostaglandin E(2) in the tissue is regulated by the balanced expression of its synthetic enzymes, such as cyclooxygenase, and its catabolic enzyme, 15-hydroxyprostaglandin dehydrogenase. We examined the effect of rebamipide, a mucoprotective drug, on prostaglandin E(2) p...
OBJECTIVES We evaluated cross-linked hyaluronic acid (hylan B gel) as a scaffold for tissue regeneration and mucosal wave restoration in carbon dioxide laser-ablated canine vocal folds. METHODS Five beagles underwent stroboscopy before ablation of the left vocal fold with a carbon dioxide laser. Four weeks later, stroboscopy was repeated before and after submucosal injection of hylan B gel in...
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