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Query: UNIPROT:P15088 (mast cell)
 14,925 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Painful bladder syndrome is a clinical diagnosis in patients with symptoms of varying severity which always include frequency and suprapubic pain and occasionally include dysuria, nocturia and urgency persisting for more than 3 months with no loss of bladder capacity and no overt infection. Immunofluorescence studies of biopsy specimens in 38 female patients were assessed and correlated with the duration and severity of symptoms, and also with routine histology (including mast cell infiltration and integrity of the glycosaminoglycans layer), in order to assess the role of immunological mechanisms in this distressing condition. The results indicated that submucosal angiogenesis and persistence of antigen-antibody complex in vessel walls could be responsible for this syndrome.
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PMID:Painful bladder syndrome--a clinical and immunopathological study. 267 47

The diagnostic criteria for interstitial cystitis considered as a subgroup of painful bladder disease (that is sensory bladder disease and chronic abacterial cystitis) are not well established. Some urologists rely on symptoms, while others rely on cystoscopic appearance or pathological findings. Among 115 patients with painful bladder disease we compared symptoms, and cystoscopic and urodynamic findings in those with and without detrusor mastocytosis (28 or more mast cells per mm.2) and attempted to elucidate possible differences between the groups. We chose the pathological anatomical criterion of detrusor mastocytosis to be diagnostic for interstitial cystitis. A total of 43 patients had detrusor mastocytosis and other pathological anatomical signs of interstitial cystitis, and 72 had no mastocytosis but the pathological diagnoses of chronic unspecific cystitis, fibrosis of the bladder, detrusor myopathy, intestinal metaplasia and normal findings. When the 2 groups of patients were compared we found no differences in regard to symptoms (pain, dysuria, frequency, nocturia and urgency), frequency of allergy and hysterectomy, duration of symptoms, petechial bleeding during cystoscopy with bladder distension and cystometric findings. The patients with mastocytosis differed from those without mastocytosis in that they were older, and had a higher frequency of hematuria, a higher frequency of a red, scarred and richly vascularized bladder at cystoscopy before distension, and a smaller cystoscopic bladder capacity. We conclude that by dividing patients with painful bladder into 2 groups according to the mast cell counts in the detrusor, certain differences in the clinical findings in the groups can be ruled out. However, in individual patients one cannot note with certainty to which pathological anatomical group the patient belongs, since great overlapping between the groups exists. Whether only patients with detrusor mastocytosis have interstitial cystitis depends on definitions and still remains an open question.
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PMID:Painful bladder disease: clinical and pathoanatomical differences in 115 patients. 362 48

Kounis syndrome is characterised by a group of symptoms that manifest as unstable vasospastic or non-vasospastic angina secondary to a hypersensitivity reaction. It was first described by Kounis and Zavras in 1991 as the concurrence of an allergic response with an anaphylactoid or anaphylactic reaction and coronary artery spasm or even myocardial infarction. Since then, this condition has evolved to include a number of mast cell activation disorders associated with acute coronary syndrome. There are many triggering factors, including reactions to multiple medications, exposure to radiological contrast media, poison ivy, bee stings, shellfish and coronary stents. In addition to coronary arterial involvement, Kounis syndrome comprises other arterial systems with similar physiologies, such as mesenteric and cerebral circulation resulting in ischaemia/infarction of the vital organs. The incidence of this condition is difficult to establish owing to the number of potential instigating factors and its relatively infrequent documentation in the literature.We report the case of an HIV-negative 39-year-old man with no coronary risk factors or family history of premature coronary artery disease, who developed Kounis syndrome after the administration of fluoroquinolone for dysuria. However, to the best of our knowledge,no data on the incidence and prevalence of Kounis syndrome in South Africa have ever been reported in the literature. The recent understanding of Kounis syndrome has led to the condition being classified into three syndrome variants.
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PMID:Kounis syndrome. 2713 81