Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UMLS:C0029713 (immaturity)
 4,335 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Desmosomal cadherins are essential cell adhesion molecules expressed in the epidermis. We identified a mutation of a cadherin superfamily member, namely, desmoglein 4 (Dsg4), in early onset of death (EOD)( hage ) mice with hypotrichosis. The mutation was induced by the insertion of an early transposon II-beta into intron 8 of Dsg4. Mast cell hyperplasia was observed in the skin of EOD( hage ) mice. The abnormally expanded population of lpr T cells, i.e., CD4(-)CD8(-)B220(+)Thy1.2(+) alphabetaT cells, in the splenocytes of EOD mice was reduced in EOD( hage ) mice. Therefore, it was suspected that the long-living mutant EOD( hage ) mice were selected from lupus-prone EOD mice because of their immunological immaturity. These findings clearly indicate that Dsg4 is an important molecule for the formation of hair follicles and hypothesize that unorganized hyperplastic hair follicles in anagen due to the Dsg4 mutation provide niches for mast cell precursors in the skin.
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PMID:Mast cell hyperplasia in the skin of Dsg4-deficient hypotrichosis mice, which are long-living mutants of lupus-prone mice. 1867 69

Childhood cutaneous tuberculosis is a common, yet understudied problem. Besides lupus vulgaris, scrofuloderma and tuberculosis verrucosa cutis which are frequently seen in adults, miliary tuberculosis, gumma and tubercular chancre are more often observed in children. Due to immaturity of immune system in children, chances of systemic tuberculosis are also more and warrant a thorough look for underlying systemic focus. Treatment of cutaneous tuberculosis includes short course antitubercular regimen consisting of rifampicin, isoniazid, ethambutol and pyrazinamide. Residual complications and ugly deformities affecting quality of life of a child can easily be prevented by ensuring early diagnosis. In late presentations, which are often the case, deformities should also be appropriately dealt with after the treatment for tuberculosis is completed.
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PMID:Clinical profile of cutaneous tuberculosis in pediatric age. 2046 1

Histoplasmosis is a multifaceted condition caused by the dimorphic fungi Histoplasma capsulatum whose infective spores are inhaled and reach the lungs, the primary organ of infection. The meningeal form, considered one of the most serious manifestations of this mycosis, is usually seen in individuals with impaired cellular immunity such as patients with acquired immunodeficiency syndrome, systemic lupus erythematous or solid organ transplantation, and infants given their immunological immaturity. The most common presentation is self-limited and occurs in immunocompetent individuals who have been exposed to high concentrations of conidia and mycelia fragments of the fungi. In those people, the condition is manifested by pulmonary disorders and late dissemination to other organs and systems. We report a case of central nervous system histoplasmosis in an immunocompetent child.
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PMID:[Histoplasmosis of the central nervous system in an immunocompetent patient]. 2550 38

Only one case of renal cell carcinoma (RCC) with inferior vena cava (IVC) tumor thrombus diagnosed and treated during pregnancy has been reported in the literature. In that report, the tumor thrombus extended to the infrahepatic IVC (level II tumor thrombus). In the present case, a 37-year-old woman with lupus anticoagulant antibodies was diagnosed with RCC and IVC tumor thrombus extending to the right atrium (level IV tumor thrombus) at 24 weeks of pregnancy. The fetus was safely delivered by cesarean section at 30 weeks of gestation. At 4 days later, an open right radical nephrectomy and IVC and right atrial thrombectomy were performed on cardiopulmonary bypass (CPB) once the patient's hemodynamic status had been optimized. Fetal and maternal concerns included the risk of a thromboembolic event (due to increased hypercoagulability from pregnancy, active malignancy, and lupus anticoagulant), intraoperative hemorrhage risk (due to extensive venous collaterals and anticoagulation), and fetal morbidity and mortality (due to fetal lung immaturity). Standardized guidelines for treatment of RCC with or without IVC tumor thrombus during pregnancy are unavailable due to the infrequency of such cases. Treatment decisions are therefore individualized and this case report may inform the management of future patients diagnosed with RCC with level IV tumor thrombus during pregnancy.
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PMID:Renal cell carcinoma with inferior vena cava thrombus extending to the right atrium diagnosed during pregnancy. 2858 53