Despite the adenoids are regularly removed in patients with mucopolysaccharidoses (MPS), the underlying tissue and cellular pathologies remain understudied. We characterized an (immuno)histopathologic and ultrastructural phenotype dominated by lysosomal storage changes in a specific subset of adenotonsillar paracortical cells in 8 MPS patients (3 MPS I, 3 MPS II, and 2 MPS IIIA). These abnormal cells were effectively detected by an antibody targeting the lysosomal membrane tetraspanin CD63. Important, CD63+ storage vacuoles in these cells lacked the monocytes/macrophages lysosomal marker CD68. Such a distinct patterning of CD63 and CD68 was not present in a patient with infantile neurovisceral variant of acid sphingomyelinase deficiency. The CD63+ storage pathology was absent in two MPS I patients who either received enzyme-replacement therapy or underwent hematopoietic stem cells transplantation prior the adenoidectomy. Our study demonstrates novel features of lysosomal storage patterning and suggests diagnostic utility of CD63 detection in adenotonsillar lymphoid tissue of MPS patients.
- MeSH
- antigeny CD63 MeSH
- enzymová substituční terapie MeSH
- lidé MeSH
- lymfoidní tkáň patologie MeSH
- lyzozomy MeSH
- mukopolysacharidózy * diagnóza farmakoterapie genetika MeSH
- Check Tag
- lidé MeSH
- Publikační typ
- časopisecké články MeSH
BACKGROUND: Pegunigalsidase alfa is a novel, PEGylated α-galactosidase-A enzyme-replacement therapy approved in the EU and US to treat patients with Fabry disease (FD). OBJECTIVE/METHODS: BRIDGE is a phase 3 open-label, switch-over study designed to assess safety and efficacy of 12 months of pegunigalsidase alfa (1 mg/kg every 2 weeks) treatment in adults with FD who had been previously treated with agalsidase alfa (0.2 mg/kg every 2 weeks) for ≥ 2 years. RESULTS: Twenty-seven patients were screened; 22 met eligibility criteria; and 20 (13 men, 7 women) completed the study. Pegunigalsidase alfa was well-tolerated, with 97% of treatment-emergent adverse events (TEAEs) being of mild or moderate severity. The incidence of treatment-related TEAEs was low, with 2 (9%) discontinuations due to TEAEs. Five patients (23%) reported infusion-related reactions. Overall mean (SD; n = 22) baseline estimated glomerular filtration rate (eGFR) was 82.5 (23.4) mL/min/1.73 m2 and plasma lyso-Gb3 level was 38.3 (41.2) nmol/L (men: 49.7 [45.8] nmol/L; women: 13.8 [6.1] nmol/L). Before switching to pegunigalsidase alfa, mean (standard error [SE]) annualized eGFR slope was - 5.90 (1.34) mL/min/1.73 m2/year; 12 months post-switch, the mean eGFR slope was - 1.19 (1.77) mL/min/1.73 m2/year; and mean plasma lyso-Gb3 reduced by 31%. Seven (35%) out of 20 patients were positive for pegunigalsidase alfa antidrug antibodies (ADAs) at ≥ 1 study timepoint, two of whom had pre-existing ADAs at baseline. Mean (SE) changes in eGFR slope for ADA-positive and ADA-negative patients were + 5.47 (3.03) and + 4.29 (3.15) mL/min/1.73 m2/year, respectively, suggesting no negative impact of anti-pegunigalsidase alfa ADAs on eGFR slope. CONCLUSION: Pegunigalsidase alfa may offer a safe and effective treatment option for patients with FD, including those previously treated with agalsidase alfa. TRN: NCT03018730. Date of registration: January 2017.
- MeSH
- alfa-galaktosidasa terapeutické užití MeSH
- dospělí MeSH
- enzymová substituční terapie metody MeSH
- Fabryho nemoc * farmakoterapie MeSH
- izoenzymy škodlivé účinky MeSH
- lidé MeSH
- protilátky terapeutické užití MeSH
- rekombinantní proteiny terapeutické užití MeSH
- výsledek terapie MeSH
- Check Tag
- dospělí MeSH
- lidé MeSH
- mužské pohlaví MeSH
- ženské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
A personalized treatment decision for Gaucher disease (GD) patients should be based on relevant markers that are specific to GD, play a direct role in GD pathophysiology, exhibit low genetic variation, reflect the therapy, and can be used for all patients. Thirty-four GD patients treated with enzyme replacement therapy (ERT) or substrate reduction therapy (SRT) were analyzed for platelet count, chitotriosidase, and tartrate-resistant acid phosphatase activity in plasma samples, and quantitative measurement of Lyso-Gb1 was performed in dried blood spots. In our ERT and SRT study cohorts, plasma lyso-GL1 correlated significantly with chito-triosidase (ERT: r = 0.55, p < 0.001; SRT: r = 0.83, p < 0.001) and TRAP (ERT: r = 0.34, p < 0.001; SRT: r = 0.88, p < 0.001), irrespective of treatment method. A platelet count increase was associated with a Lyso-Gb1 decrease in both treatment groups (ERT: p = 0.021; SRT: p = 0.028). The association of Lyso-Gb1 with evaluated markers was stronger in the SRT cohort. Our results indicate that ERT and SRT in combination or in a switch manner could offer the potential of individual drug effectiveness for particular GD symptoms. Combination of the key biomarker of GD, Lyso-Gb1, with other biomarkers can offer improved response assessment to long-term therapy.
- MeSH
- biologické markery MeSH
- enzymová substituční terapie MeSH
- Gaucherova nemoc * diagnóza farmakoterapie MeSH
- lidé MeSH
- počet trombocytů MeSH
- Check Tag
- lidé MeSH
- Publikační typ
- časopisecké články MeSH
- Geografické názvy
- Česká republika MeSH
Úvod: Mukopolysacharidóza I. typu (MPS I) patří do skupiny lysosomálních střádavých onemocnění, jejichž příčinou je dědičná porucha enzymu katalyzujícího odbourávání glykosaminoglykanů, které se hromadí v tkáních. Onemocnění se projevuje různou tíží a variabilitou klinických příznaků, jež v čase progredují. Vzhledem k existenci cílené léčby, tj. enzymové substituční terapie a transplantace hematopoetických kmenových buněk, zabraňující rozvoji příznaků nebo významně zpomalující průběh onemocnění, je klíčové co nejčasnější diagnostikování nemoci. Metoda: Prezentujeme kazuistiku dívky s MPS I (fenotypem m. Hurler-Scheie) bez typických „hrubých rysů“ v obličeji, ale s dalším charakteristickým příznakem kontraktur obrazu „drápovitých rukou“, které se rozvinuly již na začátku druhého roku života a vyžadovaly operační řešení. Dále byla přítomná splenomegalie a nově rozvinutá pupeční kýla. Výsledky: Diagnóza byla stanovena až ve věku čtyř let na základě kombinace biochemických a enzymologických vyšetření s následnou konfirmací na molekulárněgenetické úrovni průkazem patogenních mutací v genu IDUA. Byla ihned zahájena enzymová substituční terapie laronidázou a pro riziko další progrese a rozvoje neurologické symptomatologie byla následně indikována k transplantaci hematopoetických kmenových buněk. Závěr: U pacienta s MPS I se vždy nemusí prezentovat charakteristická kraniofaciální dysmorfie, ale jsou popisovány další symptomy, organomegalie, syndrom karpálního tunelu a/nebo kontraktury na rukou. Vzhledem k dostupnosti laboratorní diagnostiky a cílené léčby je pro pacienty klíčové zkrácení doby mezi prvními příznaky onemocnění a diagnózou na minimum, protože s každou prodlevou se stav nenávratně horší a léčba dosahuje uspokojivých výsledků, pouze pokud je zahájena včas.
Introduction: Mucopolysaccharidosis type I (MPS I) belongs to the group of lysosomal storage diseases, the cause of which is an inherited disorder of an enzyme catalyzing catabolism of glycosaminoglycans, which accumulate in tissues. The disease manifests with varying severity and variability of clinical symptoms, that progress over time. Given the existence of targeted therapies, i.e. enzyme replacement therapy and hematopoietic stem cell transplantation, that prevent the development of the symptoms or significantly slow the progression of the disease, early diagnosis is crucial. Method: We present a case study of a girl, who suffers from MPS I (m. Hurler-Scheie phenotype), without the typical coarse facial features, but has another characteristic symptom and thus hand contractures forming a „claw hand“, which developed at the beginning of the second year of life and required a surgical management. In addition, splenomegaly and a newly developed umbilical hernia were present. Results: The diagnosis was established at the age of 4 years on the basis of a combination of biochemical and enzymological examinations, which were followed by confirmation at the molecular genetic level by detection of 2 pathogenic mutations of the IDUA gene. Enzyme replacement therapy with laronidase was initiated immediately. For a risk of further progression and development of neurological symptoms the hematopoietic stem cell transplantation was subsequently indicated. Conclusion: A patient with MPS I may not always present with the chracteristic craniofacial dysmorphia, but other symptoms such as organomegaly, carpal tunnel syndrom and/or hand contractures have been described. Given the availability of laboratory diagnostics and targeted treatment, it is crucial for the patients to minimalize the time between the first signs of the disease and the diagnosis, because with each delay the patient’s health condition irreversibly worsens, and the therapy achieves satisfactory results only if initiated in time. Key words: lysosomal storage disorders, mucopolysaccharidosis type I (MPS I), m. Hurler-Scheie, glycosaminoglycans, enzyme replacement therapy
- MeSH
- enzymová substituční terapie metody MeSH
- lidé MeSH
- lyzozomální nemoci z ukládání diagnóza patologie terapie MeSH
- mukopolysacharidóza I * diagnóza patologie terapie MeSH
- předškolní dítě MeSH
- výsledek terapie MeSH
- Check Tag
- lidé MeSH
- předškolní dítě MeSH
- ženské pohlaví MeSH
- Publikační typ
- kazuistiky MeSH
Infekce dolních cest močových řadíme mezi nejčastější bakteriální infekce. Vzhledem k rostoucí antibiotické rezistenci bakteriálních kmenů se moderní medicína čím dál více přiklání k hledání nových non-antimikrobiálních způsobů profylaxe IDMC se snížením četnosti užívání antibiotické terapie.
Urinary tract infections are very frequent diagnose among bacterial infections. Illness mostly affect women than men (20:1). Prophylaxis lower urinary tract infections is provided by antimicrobial or non-antimicrobial ways. Regarding to increased antibiotics resistance of bacterial strains, modern medicine tend to looking for new non-antimictobial ways of prophylaxis of lower urinary tract infections and decrease frequency of using antibiotic therapy.
Fabry disease (FD, α-galactosidase A deficiency) is a rare, progressive, complex lysosomal storage disorder affecting multiple organ systems with a diverse spectrum of clinical phenotypes, particularly among female patients. Knowledge of its clinical course was still limited in 2001 when FD-specific therapies first became available and the Fabry Registry (NCT00196742; sponsor: Sanofi) was initiated as a global observational study. The Fabry Registry has now been operational for over 20 years, overseen by expert Boards of Advisors, and has collected real-world demographic and longitudinal clinical data from more than 8000 individuals with FD. Leveraging the accumulating evidence base, multidisciplinary collaborations have resulted in the creation of 32 peer-reviewed scientific publications, which have contributed to the greatly expanded knowledge on the onset and progression of FD, its clinical management, the role of sex and genetics, the outcomes of enzyme replacement therapy with agalsidase beta, and prognostic factors. We review how the Fabry Registry has evolved from its inception to become the largest global source of real-world FD patient data, and how the generated scientific evidence has helped to better inform the medical community, individuals living with FD, patient organizations, and other stakeholders. The patient-centered Fabry Registry fosters collaborative research partnerships with the overarching goal of optimizing the clinical management of patients with FD and is well positioned to add to its past achievements.
- MeSH
- alfa-galaktosidasa genetika terapeutické užití MeSH
- enzymová substituční terapie metody MeSH
- Fabryho nemoc * farmakoterapie epidemiologie genetika MeSH
- fenotyp MeSH
- lidé MeSH
- péče orientovaná na pacienta MeSH
- pozorovací studie jako téma MeSH
- registrace MeSH
- Check Tag
- lidé MeSH
- ženské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
- přehledy MeSH
- MeSH
- chirurgie operační klasifikace škodlivé účinky MeSH
- enzymoterapie MeSH
- lidé MeSH
- lymfatické nemoci * chemicky indukované patologie MeSH
- lymfedém diagnóza patologie terapie MeSH
- nádory komplikace MeSH
- pooperační komplikace * diagnóza patologie terapie MeSH
- proteasy farmakologie klasifikace terapeutické užití MeSH
- stupeň závažnosti nemoci MeSH
- Check Tag
- lidé MeSH
- Publikační typ
- přehledy MeSH
- Klíčová slova
- augmentační terapie,
- MeSH
- alfa-1-antitrypsin analýza genetika MeSH
- chronická obstrukční plicní nemoc etiologie terapie MeSH
- deficit alfa1-antitrypsinu * genetika patologie MeSH
- enzymová substituční terapie * MeSH
- klinická studie jako téma MeSH
- kouření škodlivé účinky MeSH
- lidé MeSH
- počítačová rentgenová tomografie MeSH
- výběr pacientů MeSH
- Check Tag
- lidé MeSH
