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Berlin Brandenburg

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  • 1
    Language: English
    In: Immunobiology, August 2011, Vol.216(8), pp.909-917
    Description: Hyper-immunoglobulin E recurrent infection syndromes (HIES) have distinct features, with identified associated mutations of STAT3, TYK2, and DOCK8. Among 197 Taiwanese patients with primary immunodeficiency on a referral-base of over 23 million inhabitants, STAT3 (R382W and Q469R) and DOCK8 mutations (exon 1–9 deletion) were identified in two patients each from six AD-HIES and five AR-HIES patients, respectively. Aside from decreased Th17 and memory B cells, characteristic facies and pneumatocele were not mutually exclusive regardless of STAT3 and DOCK8 mutations. One with novel DOCK8 deletion had notable cytomegalovirus retinitis, cerebral vasculitis, lead deposition, and amenorrhea. In adolescence, three AD-HIES patients without STAT3 mutation died of myocardial infarction, staphylococcus sepsis, and proteus sepsis while receiving chemotherapy for lymphoma. Close follow-up of the HIES phenotype rather than identifying genetic mutations should be the cornerstone of intervention at this juncture because of relatively lower percentage of identifying mutations in Taiwanese HIES (4/11; 36.5%).
    Keywords: Hyper Ige Recurrent Infection Syndromes (Hies) ; Stat3 ; Tyk2 ; Dock8 ; Primary Immunodeficiency Diseases (Pids) ; Taiwan ; Chinese ; Biology
    ISSN: 0171-2985
    E-ISSN: 1878-3279
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  • 2
    Language: English
    In: Nitric Oxide, 2009, Vol.20(4), pp.298-303
    Description: This study investigated the effects of extracorporeal shockwave treatment (ESWT) on bone healing and the systemic concentrations of nitric oxide (NO), TGF-β1, VEGF and BMP-2 in long bone non-unions. Forty-two patients with 42 established non-unions of the femur and tibia were enrolled in this study. Each long bone non-union was treated with 6000 impulses of shockwave at 28 kV in a single session. Ten milliliters of peripheral blood were obtained for measurements of serum NO level and osteogenic growth factors including TGF-β1, VEGF and BMP-2; serum levels of calcium, alkaline phosphatase, calcitonin and parathyroid hormone before treatment and at 1 day, 1, 3 and 6 months after treatment. The evaluations for bone healing included clinical assessments and serial radiographic examinations. At 6 months, bony union was radiographically confirmed in 78.6%, and persistent non-union in 21.4%. Patients with bony union showed significantly higher serum NO level, TGF-β1, VEGF and BMP-2 at 1 month after treatment as compared to patients with persistent non-union. Shockwave-promoted bone healing was associated with significant increases in serum NO level and osteogenic growth factors. The elevations of systemic concentration of NO level and the osteogenic factors may reflect a local stimulation of shockwave in bone healing in long bone non-unions.
    Keywords: Shockwave ; Non-Union ; Bone Healing ; Nitric Oxide (No) ; Tgf-Β1 ; Vegf ; Bmp-2 ; Biology ; Chemistry ; Anatomy & Physiology
    ISSN: 1089-8603
    E-ISSN: 1089-8611
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  • 3
    Language: English
    In: Immunobiology, 2011, Vol.216(12), pp.1286-1294
    Description: Primary immunodeficiency diseases (PIDs) are a group of rare diseases with wide geographic and ethnic variations in incidence, prevalence, and distribution patterns. The aim of this study was to examine the distribution pattern and clinical spectrum of PIDs in Taiwan at a national referral institute. From 1985 to 2010, 215 patients from 183 families were diagnosed and grouped according to the updated classification of PIDs. Eighty-one (37.7%) patients had “other well-defined immunodeficiency syndromes”, followed by “predominantly antibody deficiencies” (54 patients; 25.1%), “T- and B-cell immunodeficiencies” (34; 15.8%), “congenital defects of phagocytes” (25; 20.2%), “complement deficiencies” (15; 7.0%), and “disease in immune dysregulation” (5; 2.3%). The last category included two patients with Chediak–Higashi syndrome, and one each with familial hemophagocytosis, IPEX, and hypogammaglobulinemia and albinism. One female had cold-induced auto-inflammatory disease. There were no cases of “defects in innate immunity”. and were the two most identified microorganisms in septicemia (42.7%; 44/103 episodes). Stem cell transplantation was successful in 13 of 22 patients, while 34 patients (15.8%) died. Molecular defects were identified in 109 individuals (from 90 families). There were relatively fewer cases of “predominantly antibody deficiencies” due to there being only a few patients with adult-onset PIDs, implying certainty bias rather than ethnic variation. Awareness of under-diagnosis among physicians rather than pediatricians is vital for timely diagnosis and consequently adequate treatment.
    Keywords: Antibody Deficiencies ; Immunodeficiency ; Phagocyte Defects ; Complement Deficiencies ; Recurrent Infections ; Molecular Analysis ; Taiwan ; Chinese ; Biology
    ISSN: 0171-2985
    E-ISSN: 1878-3279
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