Works by DOĞAN, Halef Okan

Results: 36

The Relationship Between Liver Fibrosis and Golgi Protein 73 in Patients with Chronic Hepatitis B.

Published in:

Namık Kemal Tıp Dergisi, 2025, v. 13, n. 2, p. 1, doi. 10.4274/nkmj.galenos.2025.92499

By:

İNCİ, Cemil;
TERZİ, Hatice;
DOĞAN, Halef Okan;
YILDIZ, Şeyma Nur;
YILMAZ, Abdulkerim

Publication type:

Article

THE EFFECT OF MENOPAUSE ON NADPH OXIDASE LEVELS AFTER NONSURGICAL PERIODONTAL TREATMENTS ON PATIENTS WITH PERIODONTITIS.

Published in:

Cumhuriyet Dental Journal, 2021, v. 24, n. 4, p. 415, doi. 10.7126/cumudj.1000295

By:

Kayaaltı, Mahmut;
Bostancı, Vildan;
Doğan, Halef Okan

Publication type:

Article

Determination of Serum Interleukin-36 Alpha, Beta, Gamma, and Interleukin-17 Levels in Patients with Non-Hodgkin Lymphoma.

Published in:

Duzce Medical Journal, 2025, v. 27, n. 1, p. 23, doi. 10.18678/dtfd.1555362

By:

TERZİ, Hatice;
DEMİR, Ecem;
DOĞAN, Halef Okan;
ŞENCAN, Mehmet

Publication type:

Article

Validation of Friedewald, Martin-Hopkins and Sampson low-density lipoprotein cholesterol equations.

Published in:

PLoS ONE, 2022, v. 17, n. 5, p. 1, doi. 10.1371/journal.pone.0263860

By:

Ertürk Zararsız, Gözde;
Bolat, Serkan;
Cephe, Ahu;
Kochan, Necla;
Yerlitaş, Serra İlayda;
Doğan, Halef Okan;
Zararsız, Gökmen

Publication type:

Article

Predictive Value of the Intestinal Free Fatty Acid Binding Protein in Celiac Disease.

Published in:

Acibadem Saglik Bilimleri Dergisi, 2022, v. 13, n. 1, p. 30, doi. 10.31067/acusaglik.979140

By:

Gökçen, Pınar;
Çakmak, Erol;
Adalı, Gupse;
Doğan, Halef Okan;
Özer, Hatice;
Öztürk, Oğuzhan;
Doğanay, Hamdi Levent;
Özdil, Kamil

Publication type:

Article

Does mammalian target of rapamycin or sestrin 1 protein signaling have a role in bone fracture healing?

Published in:

Turkish Journal of Medical Sciences, 2019, v. 49, n. 6, p. 1774, doi. 10.3906/sag-1809-117

By:

PAZARCI, Özhan;
DOĞAN, Halef Okan;
KILINÇ, Seyran;
ÇAMURCU, Yalkın

Publication type:

Article

Liver enzymes, mean platelet volume, and red cell distribution width in gestational diabetes.

Published in:

Turkish Journal of Medical Sciences, 2014, v. 44, n. 1, p. 121, doi. 10.3906/sag-1301-41

By:

ERDOĞAN, Serpil;
ÖZDEMİR, Özhan;
DOĞAN, Halef Okan;
SEZER, Sevilay;
ATALAY, Cemal Reşat;
YILMAZ, Fatma Meriç;
KOCA, Yüksel

Publication type:

Article

Non-farmakolojik Kombine Tedavi Yöntemlerinin Fibromiyaljili Hastalarda Serum Beta-Endorfin Düzeyi, Ağrı, Depresyon, Uyku Kalitesi ve Fonksiyonel Durum Üzerine Etkisi .

Published in:

Journal of General Medicine / Genel Tıp Dergisi, 2021, v. 31, n. 4, p. 354

By:

Bostancı, Fahrettin;
Karadağ, Ahmet;
Doğan, Halef Okan

Publication type:

Article

Evaluation of the associations between endothelial dysfunction, inflammation and coagulation in Crimean-Congo hemorrhagic fever patients.

Published in:

Archives of Virology, 2018, v. 163, n. 3, p. 609, doi. 10.1007/s00705-017-3653-1

By:

Doğan, Halef Okan;
Büyüktuna, Seyit Ali;
Kapancik, Sercan;
Bakir, Sevtap

Publication type:

Article

Different threshold levels of circulating total and free 25-hydroxyvitamin D for the diagnosis of vitamin D deficiency in obese adolescents.

Published in:

European Journal of Pediatrics, 2021, v. 180, n. 8, p. 2619, doi. 10.1007/s00431-021-04137-5

By:

Çelik, Nurullah;
Doğan, Halef Okan;
Zararsiz, Gökmen

Publication type:

Article

Ailesel Akdeniz hastalarında serum Versican düzeylerinin ölçümü.

Published in:

Journal of Turkish Society for Rheumatology, 2018, n. Supp1, p. S46

By:

Derin, Mehmet Emin;
Asan, Gökmen;
Bayram, Meliha;
Doğan, Okan Halef;
Şahin, Ali

Publication type:

Article

The Effect of Greater Celandine Active Ingredient Chelidonine on Isolated Rat Bladder and Trachea Smooth Muscles and Primary Lung and Kidney Cell Lines.

Published in:

Kafkas Universitesi Veteriner Fakultesi Dergisi, 2020, v. 26, n. 5, p. 697, doi. 10.9775/kvfd.2020.24286

By:

ARSLANBAŞ, Emre;
KARA, Haki;
TURGUT, Nergiz Hacer;
GÜNGÖR, Hüseyin;
DOĞAN, Halef Okan;
ATASOY, Mustafa Ozan;
KUMRU, Alper Serhat

Publication type:

Article

Determination of Serum Interleukin-36 Alpha, Beta, Gamma and Interleukin-17 Levels in Patients with Multiple Myeloma.

Published in:

Cumhuriyet Medical Journal, 2024, v. 46, n. 1, p. 57, doi. 10.7197/cmj.1431762

By:

Bilge, Nesibe Yıldız;
Terzi, Hatice;
Doğan, Halef Okan;
Kablan, Demet;
Şencan, Mehmet

Publication type:

Article

Assessment of the relationship between insulin resistance, atherogenic index of plasma and white blood cell count: A data mining study.

Published in:

Cumhuriyet Medical Journal, 2017, v. 39, n. 2, p. 479, doi. 10.7197/223.v39i29491.316368

By:

Doğan, Halef Okan;
Duman, Gülhan

Publication type:

Article

Role of interferon regulatory factors in predicting the prognosis of Crimean-Congo hemorrhagic fever.

Published in:

Turkish Journal of Biochemistry / Turk Biyokimya Dergisi, 2025, v. 50, n. 1, p. 99, doi. 10.1515/tjb-2024-0271

By:

Öksüz, Caner;
Doğan, Halef Okan;
Zararsız, Gökmen;
Elaldı, Nazif;
Büyüktuna, Seyit Ali

Publication type:

Article

Metabolomics: a review of liquid chromatography mass spectrometry-based methods and clinical applications.

Published in:

Turkish Journal of Biochemistry / Turk Biyokimya Dergisi, 2024, v. 49, n. 1, p. 1, doi. 10.1515/tjb-2023-0095

By:

Doğan, Halef Okan

Publication type:

Article

The use of laboratory parameters and computed tomography score to determine intensive care unit requirement in COVID-19.

Published in:

Turkish Journal of Biochemistry / Turk Biyokimya Dergisi, 2021, v. 46, n. 2, p. 157, doi. 10.1515/tjb-2020-0359

By:

Doğan, Halef Okan;
Bolat, Serkan;
Büyüktuna, Seyit Ali;
Sarıismailoğlu, Rağıp;
Çetinkaya, Nazım;
Doğan, Kübra;
Hasbek, Mürşit;
Çaylak, Halil

Publication type:

Article

Serum NOX-2 concentrations and paraoxanase-1 activity in subclinical hypothyroidism: a pilot study.

Published in:

Turkish Journal of Biochemistry / Turk Biyokimya Dergisi, 2020, v. 45, n. 3, p. 271, doi. 10.1515/tjb-2018-0159

By:

Duman, Gülhan;
Doğan, Halef Okan

Publication type:

Article

A very rare complication of carbon monoxide intoxication; thrombotic thrombocytopenic purpura.

Published in:

2014

By:

Özkayar, Nihal;
Pişkinpaşa, Serhan;
Bulut, Mesudiye;
Oğuz, Ebru Gök;
Turhan, Turan;
Doğan, Halef Okan;
Dede, Fatih

Publication type:

Case Study

Serum lipids and Lp-PLA2 activity in multiple sclerosis.

Published in:

Turkish Journal of Biochemistry / Turk Biyokimya Dergisi, 2014, v. 39, n. 4, p. 472, doi. 10.5505/tjb.2014.27147

By:

Doğan, Halef Okan;
Yılmaz, Fatma Meriç;
Uysal, Sema;
Mungan, Semra;
Ak, Fikri

Publication type:

Article

P209 - PREDICTIVE VALUE OF LIVER FIBROSIS INDEXES FOR PATIENTS WITH CHRONIC HEPATITIS B.

Published in:

Turkish Journal of Biochemistry / Turk Biyokimya Dergisi, 2012, v. 37, n. S1, p. 350

By:

ERDOĞAN, Serpil;
DOĞAN, Halef Okan;
SEZER, Sevilay;
UYSAL, Sema;
ÖZHAMAM, Esra;
KAYAÇETİN, Serra;
KOCA, Yüksel

Publication type:

Article

P209 - KRONİK HEPATİT B'Lİ HASTALARDA KARACİĞER FİBROZİS İNDEKSLERİNİN TANISAL DEĞERİ.

Published in:

Turkish Journal of Biochemistry / Turk Biyokimya Dergisi, 2012, v. 37, n. S1, p. 350

By:

ERDOĞAN, Serpil;
DOĞAN, Halef Okan;
SEZER, Sevilay;
UYSAL, Sema;
ÖZHAMAM, Esra;
KAYAÇETİN, Serra;
KOCA, Yüksel

Publication type:

Article

Assessment of epigenetic changes and oxidative DNA damage in rat pups exposed to polychlorinated biphenyls and the protective effect of curcumin in the prenatal period.

Published in:

Journal of Basic & Clinical Physiology & Pharmacology, 2019, v. 30, n. 3, p. N.PAG, doi. 10.1515/jbcpp-2018-0182

By:

Doğan, Halef Okan;
Alçiğir, Mehmet Eray

Publication type:

Article

Serum Bcl-2, caspase-9 and soluble FasL levels as perinatal markers in late preterm pregnancies with intrauterine growth restriction.

Published in:

Turkish Journal of Pediatrics, 2019, v. 61, n. 5, p. 686, doi. 10.24953/turkjped.2019.05.007

By:

Genç, Şerife Özlem;
Karakuş, Savaş;
Çetin, Ali;
Çetin, Meral;
Doğan, Halef Okan;
Korgalı, Elif Ünver

Publication type:

Article

Exploring free amino acid profiles in CCHF patients: Implications for disease progression.

Published in:

Journal of Medical Virology, 2024, v. 96, n. 5, p. 1, doi. 10.1002/jmv.29672

By:

Büyüktuna, Seyit Ali;
Yerlitaş, Serra İlayda;
Zararsız, Gözde Ertük;
Doğan, Kübra;
Kablan, Demet;
Bağcı, Gökhan;
Özer, Selda;
Baysal, Cihad;
Çakır, Yasemin;
Cephe, Ahu;
Koçhan, Necla;
Zararsız, Gökmen;
Doğan, Halef Okan

Publication type:

Article

Exploring free amino acid profiles in Crimean‐Congo hemorrhagic fever patients: Implications for disease progression.

Published in:

Journal of Medical Virology, 2024, v. 96, n. 5, p. 1, doi. 10.1002/jmv.29637

By:

Büyüktuna, Seyit Ali;
Yerlitaş, Serra İlayda;
Zararsız, Gözde Ertük;
Doğan, Kübra;
Kablan, Demet;
Bağcı, Gökhan;
Özer, Selda;
Baysal, Cihad;
Çakır, Yasemin;
Cephe, Ahu;
Koçhan, Necla;
Zararız, Gökmen;
Doğan, Halef Okan

Publication type:

Article

Validation of low-density lipoprotein cholesterol equations in pediatric population.

Published in:

PeerJ, 2023, p. 1, doi. 10.7717/peerj.14544

By:

Zararsız, Gözde Ertürk;
Bolat, Serkan;
Cephe, Ahu;
Kochan, Necla;
Yerlitaş, Serra Ilayda;
Doğan, Halef Okan;
Zararsız, Gökmen

Publication type:

Article

Serum Calprotectin and Iron Metabolism Biomarker Levels in Behçet's Disease.

Published in:

Turkish Journal of Osteoporosis / Turk Osteoporoz Dergisi, 2021, v. 27, n. 3, p. 140, doi. 10.4274/tod.galenos.2021.45403

By:

Karadağ, Ahmet;
Doğan, Halef Okan

Publication type:

Article

Low levels of pannexin‐1 in Behçet's syndrome.

Published in:

International Journal of Rheumatic Diseases, 2019, v. 22, n. 8, p. 1474, doi. 10.1111/1756-185X.13614

By:

Şahin, Ali;
İlhan, Abdullah;
Derin, Mehmet Emin;
Doğan, Halef Okan;
Şahin, Mehtap

Publication type:

Article

Elit Sporcularda Kalsiyum, Fosfor ve Magnezyum Seviyeleri Sıçrama Performansını Etkiler mi?

Published in:

Ondokuz Mayis University Journal of Sports & Performace Researches (OMU-JSPR) / Ondokuz Mayis Üniversitesi Spor ve Performans Arastirmalari Dergisi, 2024, v. 15, n. 2, p. 303, doi. 10.17155/omuspd.1501637

By:

CEYLAN, Tülay;
ELİÖZ, Murat;
DOĞAN, Halef Okan;
CEYLAN, Levent

Publication type:

Article

Evaluation of Subclinical Inflammation in Children with Premature Adrenarche.

Published in:

Erciyes Medical Journal / Erciyes Tip Dergisi, 2022, v. 44, n. 6, p. 603, doi. 10.14744/etd.2022.39699

By:

Köylü, Gözde;
Çelik, Nurullah;
Doğan, Halef Okan

Publication type:

Article

Level of Serum Adiponectin in Sjögren's Syndrome.

Published in:

Erciyes Medical Journal / Erciyes Tip Dergisi, 2019, v. 41, n. 2, p. 186, doi. 10.14744/etd.2019.26214

By:

Doğan, Kübra;
Urhan, Muhammed Emre;
Yıldız, Şeymanur;
Derin, Emin;
Şahin, Ali;
Doğan, Halef Okan

Publication type:

Article

Comparison of the Performance of Second (Fast TSH) and Third (HYPERsensitive TSH) Generation Automated TSH Immunoassays in Healthy Euthyroid Subjects.

Published in:

Erciyes Medical Journal / Erciyes Tip Dergisi, 2019, v. 41, n. 1, p. 46, doi. 10.14744/etd.2018.18127

By:

Çalcı, Esin;
Doğan, Halef Okan;
Sağlam, Fatma;
Turhan, Turan;
Berker, Dilek

Publication type:

Article

Homocysteine Concentrations in Heterozygote MTHFR (677C-T) and Factor V (1691 G-A) Mutation-carrying Individuals with the History of Thromboembolic Disease.

Published in:

Erciyes Medical Journal / Erciyes Tip Dergisi, 2016, v. 38, n. 1, p. 20, doi. 10.5152/etd.2016.0060

By:

Doğan, Halef Okan;
Zungun, Cevdet;
Yılmaz, Fatma Meriç;
Kayalp, Damla;
Zararsız, Gökmen

Publication type:

Article

Impact of IL-6 rs1800795 and rs1800796 polymorphisms on clinical outcomes of COVID-19: a study on severity of disease in Turkish population.

Published in:

Mammalian Genome, 2025, v. 36, n. 1, p. 213, doi. 10.1007/s00335-024-10085-w

By:

Cekin, Nilgun;
Akin, Seyda;
Pinarbasi, Ergun;
Doğan, Okan Halef

Publication type:

Article

Vitamin D status, serum lipid concentrations, and vitamin D receptor (VDR) gene polymorphisms in Familial Mediterranean fever.

Published in:

Bosnian Journal of Basic Medical Sciences, 2018, v. 18, n. 1, p. 21, doi. 10.17305/bjbms.2017.2259

By:

Turhan, Turan;
Doğan, Halef Okan;
Boğdaycioğlu, Nihal;
Eyerci, Nilnur;
Omma, Ahmet;
Sari, İsmail;
Yeşilyurt, Ahmet;
Karaaslan, Yaşar

Publication type:

Article