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DOI :10.26650/IUITFD.1464651   IUP :10.26650/IUITFD.1464651    Tam Metin (PDF)

SİSTEMİK LUPUS ERİTEMATOZUSTA ANTİ-C1q: KLİNİK BULGULAR VE HASTALIK AKTİVİTESİ İLE İLİŞKİSİ

Senem Tekeoğlu, Duygu Temiz Karadağ, Özlem Özdemir Işık, Aylin Göçoğlu, Fatma Ceyla Eraldemir, Ayten Yazıcı, Ayşe Çefle

Amaç: Lupus nefriti (LN), sistemik lupus eritematozus'un (SLE) tehlikeli bir sonucudur. Çeşitli çalışmalarda anti-C1q antikorunun LN veya global hastalık aktivitesi ile ilişkili olduğu gösterilmiştir. Bu çalışmada amacımız, Türk SLE’li hastalarda anti-C1q prevalansını, LN veya hastalık aktivitesi ile ilişkisini belirlemekti.

Gereç ve Yöntem: Kesitsel tek merkezli bir çalışma ile 150 SLE’li hastada klinik ve laboratuvar bulguları, hastalık aktivitesi ve anti-C1q düzeyleri değerlendirildi. Anti-C1q antikoru, ELISA (enzyme-linked immunosorbent assay) ile analiz edildi, toplam 150 kişiden oluşan hasta ve sağlıklı kontrol grubu ile karşılaştırıldı.

Bulgular: Yetmiş iki hastada LN’i saptandı. Anti-C1q pozitiflik oranı SLE hastalarında %17 (26/150), kontrol grubunda ise %3 (5/150) idi (p<0,001). Anti-C1q antikoru pozitif olan hastalarda aynı zamanda pozitif anti-Sm antikoru, direkt Coombs testi ve trombositopeni de daha sık görüldü (sırasıyla p=0,001, p=0,007, p=0,009). Anti-C1q antikoru proteinüri, hematüri, sistemik lupus eritematoz hastalık aktivite indeksi (SLEDAI) (p<0,001), anti-dsDNA (p=0,03) ile pozitif, C3 (p<0,001) ve C4 (p=0,015) ile negatif korelasyon gösterdi. Aktif LN'li hastalarda anti-C1q (p=0,01) ve anti-dsDNA (p<0,001) titreleri inaktif LN hastalarına göre daha yüksekti, ancak çok değişkenli lojistik regresyon analizinde anti-C1q LN öyküsü için anlamlı değildi. SLEDAI şiddeti açısından anlamlılık saptandı (p=0,036).

Sonuç: Çalışmamız anti-C1q antikorunun SLE, proteinüri, hematüri, trombositopeni, genel hastalık aktivitesi ve aktif LN ile anlamlı bir ilişkisi olduğunu, ancak inaktif böbrek hastalığı ile ilişkili olmadığını kanıtladı. Çalışmamız, bu antikorun Türk SLE’li hastalarda klinik önemini araştıran ilk araştırmadır. Lupus nefritinin patogenezini açıklığa kavuşturmak için daha ileri çalışmalara ihtiyaç vardır.

Anahtar Kelimeler: Anti-C1q, lupus nefriti, sistemik lupus eritematozus, sistemik lupus eritematozus hastalık aktivite indeksi
DOI :10.26650/IUITFD.1464651   IUP :10.26650/IUITFD.1464651    Tam Metin (PDF)

ANTI-C1q IN SYSTEMIC LUPUS ERYTHEMATOSUS: RELATIONSHIP WITH CLINICAL MANIFESTATIONS AND DISEASE ACTIVITY

Senem Tekeoğlu, Duygu Temiz Karadağ, Özlem Özdemir Işık, Aylin Göçoğlu, Fatma Ceyla Eraldemir, Ayten Yazıcı, Ayşe Çefle

Objective: Lupus nephritis (LN) is a detrimental consequence of systemic lupus erythematosus (SLE). The anti-C1q antibody was shown to be related to LN, or global disease activity, in various studies. Our purpose was to determine its prevalence and association with LN or disease activity in Turkish patients with SLE.

Material and Method: We conducted a cross-sectional single-centre study to investigate the clinical and laboratory findings, disease activity, and anti-C1q levels in 150 patients with SLE. The anti-C1q antibody was analyzed using an enzyme-linked immunosorbent assay and compared with 150 healthy-control patients.

Result: Lupus nephritis was present in 72 patients. The frequency of anti-C1q positivity was 17% (26/150) in patients with SLE and 3% (5/150) in control group (p<0.001). Patients with anti-C1q also had anti-Sm, direct Coombs’ test, and thrombocytopenia more commonly (p=0.001, p=0.007, p=0.009 respectively). Anti-C1q was positively correlated with proteinuria, haematuria, systemic lupus erythematosus disease activity index (SLEDAI) (p<0.001), anti-dsDNA (p=0.03), and negatively correlated with C3 (p<0.001) and C4 (p=0.015). Patients with active LN had higher anti-C1q (p=0.01) and anti-dsDNA (p<0.001) titres than inactive LN patients, although in multivariate logistic regression analysis, anti-C1q was not significant for LN history. It was significant for SLEDAI severity (p=0.036).

Conclusion: Our study demonstrated a significant association of anti-C1q with SLE, proteinuria, haematuria, thrombocytopenia, general disease activity, and active LN, but not with inactive renal disease. This is the first study investigating the clinical significance of this antibody in Turkish patients. Further studies are needed to clarify the pathogenesis of lupus nephritis.

Anahtar Kelimeler: Anti-C1q, systemic lupus erythematosus, lupus nephritis, systemic lupus erythematosus disease activity index

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APA

Tekeoğlu, S., Temiz Karadağ, D., Özdemir Işık, Ö., Göçoğlu, A., Eraldemir, F.C., Yazıcı, A., & Çefle, A. (2024). SİSTEMİK LUPUS ERİTEMATOZUSTA ANTİ-C1q: KLİNİK BULGULAR VE HASTALIK AKTİVİTESİ İLE İLİŞKİSİ. İstanbul Tıp Fakültesi Dergisi, 87(4), 311-320. https://doi.org/10.26650/IUITFD.1464651


AMA

Tekeoğlu S, Temiz Karadağ D, Özdemir Işık Ö, Göçoğlu A, Eraldemir F C, Yazıcı A, Çefle A. SİSTEMİK LUPUS ERİTEMATOZUSTA ANTİ-C1q: KLİNİK BULGULAR VE HASTALIK AKTİVİTESİ İLE İLİŞKİSİ. İstanbul Tıp Fakültesi Dergisi. 2024;87(4):311-320. https://doi.org/10.26650/IUITFD.1464651


ABNT

Tekeoğlu, S.; Temiz Karadağ, D.; Özdemir Işık, Ö.; Göçoğlu, A.; Eraldemir, F.C.; Yazıcı, A.; Çefle, A. SİSTEMİK LUPUS ERİTEMATOZUSTA ANTİ-C1q: KLİNİK BULGULAR VE HASTALIK AKTİVİTESİ İLE İLİŞKİSİ. İstanbul Tıp Fakültesi Dergisi, [Publisher Location], v. 87, n. 4, p. 311-320, 2024.


Chicago: Author-Date Style

Tekeoğlu, Senem, and Duygu Temiz Karadağ and Özlem Özdemir Işık and Aylin Göçoğlu and Fatma Ceyla Eraldemir and Ayten Yazıcı and Ayşe Çefle. 2024. “SİSTEMİK LUPUS ERİTEMATOZUSTA ANTİ-C1q: KLİNİK BULGULAR VE HASTALIK AKTİVİTESİ İLE İLİŞKİSİ.” İstanbul Tıp Fakültesi Dergisi 87, no. 4: 311-320. https://doi.org/10.26650/IUITFD.1464651


Chicago: Humanities Style

Tekeoğlu, Senem, and Duygu Temiz Karadağ and Özlem Özdemir Işık and Aylin Göçoğlu and Fatma Ceyla Eraldemir and Ayten Yazıcı and Ayşe Çefle. “SİSTEMİK LUPUS ERİTEMATOZUSTA ANTİ-C1q: KLİNİK BULGULAR VE HASTALIK AKTİVİTESİ İLE İLİŞKİSİ.” İstanbul Tıp Fakültesi Dergisi 87, no. 4 (Dec. 2024): 311-320. https://doi.org/10.26650/IUITFD.1464651


Harvard: Australian Style

Tekeoğlu, S & Temiz Karadağ, D & Özdemir Işık, Ö & Göçoğlu, A & Eraldemir, FC & Yazıcı, A & Çefle, A 2024, 'SİSTEMİK LUPUS ERİTEMATOZUSTA ANTİ-C1q: KLİNİK BULGULAR VE HASTALIK AKTİVİTESİ İLE İLİŞKİSİ', İstanbul Tıp Fakültesi Dergisi, vol. 87, no. 4, pp. 311-320, viewed 23 Dec. 2024, https://doi.org/10.26650/IUITFD.1464651


Harvard: Author-Date Style

Tekeoğlu, S. and Temiz Karadağ, D. and Özdemir Işık, Ö. and Göçoğlu, A. and Eraldemir, F.C. and Yazıcı, A. and Çefle, A. (2024) ‘SİSTEMİK LUPUS ERİTEMATOZUSTA ANTİ-C1q: KLİNİK BULGULAR VE HASTALIK AKTİVİTESİ İLE İLİŞKİSİ’, İstanbul Tıp Fakültesi Dergisi, 87(4), pp. 311-320. https://doi.org/10.26650/IUITFD.1464651 (23 Dec. 2024).


MLA

Tekeoğlu, Senem, and Duygu Temiz Karadağ and Özlem Özdemir Işık and Aylin Göçoğlu and Fatma Ceyla Eraldemir and Ayten Yazıcı and Ayşe Çefle. “SİSTEMİK LUPUS ERİTEMATOZUSTA ANTİ-C1q: KLİNİK BULGULAR VE HASTALIK AKTİVİTESİ İLE İLİŞKİSİ.” İstanbul Tıp Fakültesi Dergisi, vol. 87, no. 4, 2024, pp. 311-320. [Database Container], https://doi.org/10.26650/IUITFD.1464651


Vancouver

Tekeoğlu S, Temiz Karadağ D, Özdemir Işık Ö, Göçoğlu A, Eraldemir FC, Yazıcı A, Çefle A. SİSTEMİK LUPUS ERİTEMATOZUSTA ANTİ-C1q: KLİNİK BULGULAR VE HASTALIK AKTİVİTESİ İLE İLİŞKİSİ. İstanbul Tıp Fakültesi Dergisi [Internet]. 23 Dec. 2024 [cited 23 Dec. 2024];87(4):311-320. Available from: https://doi.org/10.26650/IUITFD.1464651 doi: 10.26650/IUITFD.1464651


ISNAD

Tekeoğlu, Senem - Temiz Karadağ, Duygu - Özdemir Işık, Özlem - Göçoğlu, Aylin - Eraldemir, FatmaCeyla - Yazıcı, Ayten - Çefle, Ayşe. “SİSTEMİK LUPUS ERİTEMATOZUSTA ANTİ-C1q: KLİNİK BULGULAR VE HASTALIK AKTİVİTESİ İLE İLİŞKİSİ”. İstanbul Tıp Fakültesi Dergisi 87/4 (Dec. 2024): 311-320. https://doi.org/10.26650/IUITFD.1464651



ZAMAN ÇİZELGESİ


Gönderim05.04.2024
Kabul07.06.2024
Çevrimiçi Yayınlanma10.10.2024

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