F Ozbakir

ORCID: 0000-0002-5929-5056
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About
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Research Areas
  • Ocular Diseases and Behçet’s Syndrome
  • Vasculitis and related conditions
  • Systemic Lupus Erythematosus Research
  • Otitis Media and Relapsing Polychondritis
  • Infectious Diseases and Tuberculosis
  • Immunodeficiency and Autoimmune Disorders
  • Autoimmune and Inflammatory Disorders Research
  • Atherosclerosis and Cardiovascular Diseases
  • IgG4-Related and Inflammatory Diseases
  • Mycobacterium research and diagnosis
  • Hepatitis C virus research
  • Chronic Lymphocytic Leukemia Research
  • Inflammasome and immune disorders
  • Complement system in diseases
  • Blood Coagulation and Thrombosis Mechanisms
  • Interstitial Lung Diseases and Idiopathic Pulmonary Fibrosis
  • Monoclonal and Polyclonal Antibodies Research
  • Cell Adhesion Molecules Research
  • Histiocytic Disorders and Treatments
  • Acute Lymphoblastic Leukemia research
  • Vascular Anomalies and Treatments
  • Eosinophilic Esophagitis
  • Celiac Disease Research and Management
  • Venous Thromboembolism Diagnosis and Management
  • Diabetes Management and Research

Istanbul University-Cerrahpaşa
1991-2020

Istanbul University
1987-2014

Selçuk University
2001-2005

Petrus och Augusta Hedlunds Stiftelse
1997

Acıbadem Kadıköy Hospital
1997

The aim of this study was to assess the frequency atherosclerotic plaques and intima-media thickness (IMT) in patients with FMF suitable controls.We studied 100 (46 males, 54 females; mean age: 40 +/- 6 years) FMF. Also 94 (15 79 41 7 SLE 103 (44 59 5 apparently healthy volunteers were included as control groups. Subclinical atherosclerosis assessed by investigating measuring IMT from carotid common femoral arteries using B-mode ultrasonography (USG). Traditional risk factors also...

10.1093/rheumatology/kep131 article EN Lara D. Veeken 2009-05-28

The usefulness of interferon-gamma (IFN-γ) release assays for tuberculosis screening before tumor necrosis factor-alpha (TNF-α) antagonists and monitoring during treatment is a contraversial issue. aims this study were to determine whether TNF-α affect the results Quantiferon-TB Gold in-tube assay (QTF); assess how QTF performs in comparison with tuberculin skin test (TST) rheumatoid arthritis (RA) patients who are about start antagonists, RA not candidates rheumatology confirmed current or...

10.1186/ar3882 article EN cc-by Arthritis Research & Therapy 2012-06-18

Chronic hepatitis B (CHB) is a viral disease, common across the world, and associated with several extraintestinal manifestations including vasculitis. Antineutrophil cytoplasmic antibodies (ANCAs) are sensitive specific markers for vasculitides. There limited data available in literature on whether ANCA formation stimulated by CHB infection. In present study we aimed to identify frequency of patients. A total 174 subjects were included (87 patients, 87 control subjects). Perinuclear-ANCA...

10.1155/2014/982150 article EN cc-by Disease Markers 2014-01-01

This study was designed to assess the role of foods with raised IgG antibodies and additives on symptoms inflammation Crohn's disease.Eight patients disease in remission were studied. They followed a strict diet during phase I. Then, provocations two, three-day periods (phases II III) followed: II, pure forms high III, off-the-shelf those added. Stool samples collected for fecal calprotectin assay. Blood taken 11th 17th days highly sensitive C-reactive protein, ferritin, erythrocyte...

10.4318/tjg.2012.0332 article EN The Turkish Journal of Gastroenterology 2012-02-01

ABSTRACT: Among 50 patients with lepromatous leprosy and borderline in Turkey, the prevalence of HLA‐DR2 was 25/50 (50%). The same alleles among healthy controls 13/50 (26%).

10.1111/j.1365-4362.1988.tb03218.x article EN International Journal of Dermatology 1988-05-01

The frequency of antinuclear antibodies (ANA) and rheumatoid factor (RF) was investigated in 118 apparently healthy children (56 male, 62 female). mean age 9.8+/-2.3 years. Antinuclear were detected by indirect immunofluorescence, using a Hep-2 cell substrate. Nephelometry used to quantify RF 116 children. Five serum samples (4%, 3M, 2F) ANA-positive low titers all had speckled pattern. None the other extractable antibodies. Rheumatoid over 25 IU/ml four (3%, 3F, 1M). these positive for both...

10.24953/turkjpediatr.1999.3200 article EN The Turkish Journal of Pediatrics 1999-01-25

Immunogenicity of tumor necrosis factor alpha inhibitors (TNFis) has been recognized as an important problem that may cause loss efficacy and adverse events such infusion reactions. TNFis are being increasingly used among patients with Behçet syndrome (BS) scarce data exist on this topic. We aimed to investigate the prevalence anti-infliximab (IFX) antibodies in together suitable controls. collected serum samples from 66 consecutive (51 M, 15 F, mean age 37 ± 9 years) who were treated IFX....

10.3389/fimmu.2020.618973 article EN cc-by Frontiers in Immunology 2020-12-22

The aim of this study was to examine the prevalence anti-neutrophil cytoplasmic antibodies (ANCA) in patients with Behcet's syndrome (BS) large vessel involvement. sera 48 consecutive BS involvement, seven Wegener granulomatosis (WG), and 10 healthy staff were studied for presence (c) perinuclear (p) pattern ANCA by indirect immunofluoresance (IIF). also examined against proteinase 3 (anti-PR3) myeloperoxidase (anti-MPO) enzymelinked immunosorbent assay (ELISA). None from controls had...

10.1007/bf01637045 article EN International Journal of Angiology 2005-05-06

<h3>Background</h3> Immunogenicity of anti-TNFs has been recognised as an important problem that may cause loss efficacy and adverse events such infusion reactions. Anti-TNFs are being increasingly used among patients with Behçet's syndrome (BS). <h3>Objectives</h3> We aimed to investigate the prevalence anti-drug antibodies against infliximab (IFX) in BS together controls. <h3>Methods</h3> collected serum samples from 66 consecutive (51 M, 15 F mean age 37±9 years) who were treated IFX. IFX...

10.1136/annrheumdis-2018-eular.4777 article EN Annals of the Rheumatic Diseases 2018-06-01

The aim of this study was to examine the prevalence anti-neutrophil cytoplasmic antibodies (ANCA) in patients with Behcet's syndrome (BS) large vessel involvement. sera 48 consecutive BS involvement, seven Wegener granulomatosis (WG), and 10 healthy staff were studied for presence (c) perinuclear (p) pattern ANCA by indirect immunofluoresance (IIF). also examined against proteinase 3 (anti-PR3) myeloperoxidase (anti-MPO) enzymelinked immunosorbent assay (ELISA). None from controls had...

10.1007/s00547-001-0036-x article EN International Journal of Angiology 2001-12-01

The aim of this study was to examine the prevalence anti-neutrophil cytoplasmic antibodies (ANCA) in patients with Behcet's syndrome (BS) large vessel involvement. sera 48 consecutive BS involvement, seven Wegener granulomatosis (WG), and 10 healthy staff were studied for presence (c) perinuclear (p) pattern ANCA by indirect immunofluoresance (IIF). also examined against proteinase 3 (anti-PR3) myeloperoxidase (anti-MPO) enzymelinked immunosorbent assay (ELISA). None from controls had...

10.1055/s-0031-1276320 article EN International Journal of Angiology 2001-09-01
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