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    Delay between the onset of psoriasis and arthritis in PsA patients from the PsART international cohort
    (WILEY, 2019) Taşçılar, Koray; Aydın, Sibel Zehra; Akar, Servet; Aksu, Kenan; Bakırcı, Sibel; Bayındır, Ozun; Can, Meryem; Çetin, Gözde; Çınar, Muhammet; Dalkılıç, Ediz; Doğru, Atalay; Erden, Abdulsamet; Ersözlü, Emine Duygu; Erten, Şükran; Kaşifoğlu, Timuçin; Kimyon, Gezmiş; Küçükşahin, Orhan; Omma, Ahmet; Özişler, Cem; Şenel, Soner; Solmaz, Dilek; Tarhan, Emine Figen; Tinazzi, Ilaria; Yavuz, Şule; Yılmaz, Sema; Kalyoncu, Umut
    [Abstract not Available]
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    The distribution of MEFV mutations in Turkish FMF patients: multicenter study representing results of Anatolia
    (TUBITAK SCIENTIFIC & TECHNICAL RESEARCH COUNCIL TURKEY, 2019) Bilge, N. Şule Yaşar; Sarı, İsmail; Solmaz, Dilek; Şenel, Soner; Emmungil, Hakan; Kılıç, Levent; Oner, Sibel Yılmaz; Yıldız, Fatih; Yılmaz, Sedat; Bozkırlı, Duygu Ersözlü; Tufan, Müge Aydın; Yılmaz, Sema; Yazısız, Veli; Pehlivan, Yavuz; Bes, Cemal; Çetin, Gözde Yıldırım; Erten, Şükran; Gönüllü, Emel; Şahin, Fezan; Akar, Servet; Aksu, Kenan; Kalyoncu, Umut; Direskeneli, Haner; Erken, Eren; Kısacık, Bünyamin; Sayarlıoğlu, Mehmet; Çınar, Muhammed; Kaşifoğlu, Timuçin
    Background/aim: The distribution of Mediterranean fever (MEFV) gene mutations in Turkish familial Mediterranean fever (FMF) patients varies according to geographic area of Turkey. There is a need for highly representative data for Turkish FMF patients. The aim of our study was to investigate the distribution of the common MEFV mutations in Turkish FMF patients in a nationwide, multicenter study. Materials and methods: Data of the 2246 FMF patients, from 15 adult rheumatology clinics located in different parts of the country, were evaluated retrospectively. The following mutations have been tested in all patients: M694V, M680I, M694I, V726A, and E148Q. Results: There were 1719 FMF patients with available genetic testing. According to the genotyping, homozygous M694V, present in 413 patients (24%), was the most common mutation . One hundred and fifty-four (9%) of patients had no detectable mutations. Allele frequencies of common mutations were: M694V (n = 1529, 44.5%), M680I (n = 423, 12.3%), V726A (n = 315, 9.2%), E148Q (n = 214, 1%), and M694I (n = 12, <1%). Conclusion: In this large-scale multicenter study, we provided information about the frequencies of common MEFV gene mutations obtained from adult Turkish IMF patients. Nearly half of the patients were carrying at least one M694V mutations in their alleles.
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    The efficacy and safety of anti-tnf a treatment in ankylosing spondylitis patients with late onset compared to those with adult onset; the data from turkbio registry
    (BMJ PUBLISHING GROUP, 2019) Uslu, Sadettin; Can, Gerçek; Cefle, Ayşe; Yılmaz, Sema; Kocaer, Sinem Burcu; İnel, Tuba Yüce; Gülle, Semih; Koca, Süleyman Serdar; Yolbaş, Servet; Öztürk, Mehmet Akif; Şenel, Soner; İnanç, Nevsun; Dalkılıç, Ediz; Soysal, Özgül; Tufan, Abdurrahman; Akar, Servet; Birlik, Merih; Sarı, İsmail; Akkoç, Nurullah; Önen, Fatoş
    [Abstract not Available]
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    Exon 2: Is it the good police in familial mediterranean fever?
    (AVES, 2019) Yaşar Bilge, Şule; Solmaz, Dilek; Şenel, Soner; Emmungil, Hakan; Kılıç, Levent; Öner, Sibel Yılmaz; Yıldız, Fatih; Yılmaz, Sedat; Ersözlü Bozkırlı, Duygu; Aydın Tufan, Müge; Yılmaz, Sema; Yazısız, Veli; Pehlivan, Yavuz; Beş, Cemal; Yıldırım Çetin, Gözde; Erten, Şükran; Gönüllü, Emel; Şahin, Fezan; Akar, Servet; Aksu, Kenan; Kalyoncu, Umut; Direskeneli, Haner; Erken, Eren; Kısacık, Bünyamın; Sayarlıoğlu, Mehmet; Çınar, Muhammed; Kaşifoğlu, Timuçin; Sarı, İsmail
    Objective: Familial Mediterranean fever (FMF) is the most common autoinflammatory disease. Most of the identified disease-causing mutations are located on exon 10. As the number of studies about the effect of the exonal location of the mutation and its phenotypic expression is limited, we aimed to investigate whether the exonic location of the Mediterranean fever (MEFV) mutation has an effect on the clinical manifestation in patients with FMF. Methods: Study population was derived from the main FMF registry that included 2246 patients from 15 different rheumatology clinics. We categorized the mutations according to their exon locations and retrieved the clinical and demographic information from the database. Results: Patients having the MEFV mutations on exon 2 or 10 (n: 1526) were divided into three subgroups according to the location of the MEFV mutations: Group 1 (exon 2 mutations), Group 2 (exon 10 mutations), and Group 3 (both exon 2 and exon 10 mutations). Group 2 patients were of a significantly younger age at onset, and erysipel-like erythema, arthritis, amyloidosis, and a family history of FMF were more common in this group. Conclusion: Patients with FMF and exon 10 mutations show more severe clinical symptoms and outcome. Exon 2 mutations tend to have a better outcome.
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    Impact of having family history of psoriasis or psoriatic arthritis on psoriatic disease
    (WILEY, 2020) Solmaz, Dilek; Bakırcı, Sibel; Kimyon, Gezmiş; Günal, Esen K.; Doğru, Atalay; Bayındır, Özün; Dalkılıç, Ediz; Özişler, Cem; Can, Meryem; Akar, Servet; Çetin, Gözde Yıldırım; Yavuz, Şule; Kılıç, Levent; Tarhan, Emine F.; Küçükşahin, Orhan; Omma, Ahmet; Gönüllü, Emel; Yıldız, Fatih; Ersözlü, Emine D.; Çınar, Muhammet; Al-Onazi, Atallah; Erden, Abdulsamet; Tufan, Müge A.; Yılmaz, Sema; Pehlevan, Seval; Kalyoncu, Umut; Aydın, Sibel Z.
    Objective Psoriatic arthritis (PsA) has a genetic background. Approximately 40% of patients with psoriasis or PsA have a family history of psoriasis or PsA, which may affect disease features. The aim of this study was to assess the effects of family history of psoriasis and PsA on disease phenotypes. Methods Data from 1,393 patients recruited in the longitudinal, multicenter Psoriatic Arthritis International Database were analyzed. The effects of family history of psoriasis and/or PsA on characteristics of psoriasis and PsA were investigated using logistic regression. Results A total of 444 patients (31.9%) had a family history of psoriasis and/or PsA. These patients were more frequently women, had earlier onset of psoriasis, more frequent nail disease, enthesitis, and deformities, and less frequently achieved minimal disease activity. Among 444 patients, 335 only had psoriasis in their family, 74 had PsA, and 35 patients were not certain about having PsA and psoriasis in their family, so they were excluded from further analysis. In the multivariate analysis, family history of psoriasis was associated with younger age at onset of psoriasis (odds ratio [OR] 0.976) and presence of enthesitis (OR 1.931), whereas family history of PsA was associated with lower risk of plaque psoriasis (OR 0.417) and higher risk of deformities (OR 2.557). Family history of PsA versus psoriasis showed increased risk of deformities (OR 2.143) and lower risk of plaque psoriasis (OR 0.324). Conclusion Family history of psoriasis and PsA impacts skin phenotypes, musculoskeletal features, and disease severity. The link between family history of psoriasis/PsA and pustular/plaque phenotypes may point to a different genetic background and pathogenic mechanisms in these subsets.