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U. Koçak · SciRah

Researcher profile · Semantic Scholar

U. Koçak

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U. Koçak — researcher profile on SciRah

h-index: 14
Works: 55
Citations: 660

Most-cited papers

Invasive fungal infections in pediatric leukemia patients receiving fluconazole prophylaxis
Z. Kaya, T. Gursel, U. Koçak, Y. Aral +2 more
2009Pediatric Blood & Cancer78 citations
Semantic Scholar
Impact of the coronavirus disease 2019 (COVID‐19) pandemic on pediatric oncology care in the Middle East, North Africa, and West Asia region: A report from the Pediatric Oncology East and Mediterranean (POEM) group
R. Saab, Anas Obeid, F. Gachi, H. Boudiaf +35 more
2020Cancer60 citations Open access
Semantic Scholar
Relationship between obesity and iron deficiency anemia: is there a role of hepcidin?
E. Sal, İ. Yenicesu, N. Çelik, H. Paşaoğlu +7 more
2018Hematology58 citations Open access
Semantic Scholar
Functional and Clinical Impact of Novel Tmprss6 Variants in Iron‐Refractory Iron‐Deficiency Anemia Patients and Genotype–Phenotype Studies
L. De Falco, L. Silvestri, C. Kannengiesser, Érica Morán +14 more
2014Human Mutation57 citations Open access
Semantic Scholar
The effect of steroid and intravenous immunoglobulin on thrombopoietin levels in pediatric patients with immune thrombocytopenic purpura.
U. Koçak, Türkiz Gürsel, G. Ozturk
2000Blood Coagulation and Fibrinolysis43 citations
Semantic Scholar
A novel single point mutation of the LYST gene in two siblings with different phenotypic features of Chediak Higashi syndrome
Z. Kaya, S. Ehl, M. Albayrak, A. Maul‐Pavicic +4 more
2011Pediatric Blood & Cancer36 citations Open access
Semantic Scholar
Prognostic Factors and Long-Term Outcome in 52 Turkish Children With Hemophagocytic Lymphohistiocytosis*
Z. Kaya, A. Bay, M. Albayrak, U. Koçak +2 more
2015Pediatric Critical Care Medicine35 citations
Semantic Scholar
Evaluation of clinical characteristics, diagnosis and management in childhood immune thrombocytopenic purpura: a single center's experience.
U. Koçak, Y. Aral, Z. Kaya, Gülyüz Oztürk +1 more
2007Turkish Journal of Pediatrics24 citations Open access
Semantic Scholar
ALL-BFM 95 Treatment in Turkish Children with Acute Lymphoblastic Leukemia—Experience of a Single Center
U. Koçak, T. Gursel, Z. Kaya, Y. Aral +5 more
2012Pediatric Hematology & Oncology22 citations
Semantic Scholar
Thiopurine methyltransferase polymorphisms and mercaptopurine tolerance in Turkish children with acute lymphoblastic leukemia
M. Albayrak, Uljan Konyssova, Z. Kaya, T. Gursel +3 more
2011Cancer Chemotherapy and Pharmacology22 citations
Semantic Scholar
Severe vitamin B12 deficiency with pancytopenia, hepatosplenomegaly and leukoerythroblastosis in two Syrian refugee infants: a challenge to differentiate from acute leukaemia
B. Belen, B. Hismi, U. Koçak
2014BMJ Case Reports18 citations Open access
Semantic Scholar
A novel mutation in the SLC19A2 gene in a Turkish female with thiamine-responsive megaloblastic anemia syndrome.
E. Yeşilkaya, A. Bideci, Meltem Temi̇zkan, Z. Kaya +5 more
2009Journal of Tropical Pediatrics16 citations
Semantic Scholar
Augmentation of post transplant immunity: antigen encounter at the time of hematopoietic stem cell transplantation enhances antigen-specific donor T-cell responses in the post transplant repertoire
S. Mori, U. Koçak, J. Shaw, C. Mullen
2005Bone Marrow Transplantation16 citations Open access
Semantic Scholar
EVALUATION OF RENAL FUNCTION IN TURKISH CHILDREN RECEIVING BFM-95 THERAPY FOR ACUTE LYMPHOBLASTIC LEUKEMIA
Z. Kaya, T. Gursel, S. Bakkaloğlu, U. Koçak +2 more
2007Pediatric Hematology & Oncology15 citations
Semantic Scholar
Is the acronym IRIDA acceptable for slow responders to iron in the presence of TMPRSS6 mutations?
Ebru Yilmaz-Keskin, E. Sal, L. De Falco, Mariasole Bruno +3 more
2013Turkish Journal of Pediatrics14 citations Open access
Semantic Scholar
Serum prohepcidin levels in children with solid tumors, inflammatory bowel disease and iron deficiency anemia.
Z. Kaya, E. Yildiz, T. Gursel, M. Albayrak +3 more
2011Journal of Tropical Pediatrics14 citations Open access
Semantic Scholar
Do Cerebral Blood Flow Velocities Change in Iron Deficiency Anemia?
D. Aliefendioğlu, Sevda Yılmaz, E. Mısırlıoğlu, S. Saygı +2 more
2007Journal of pediatric hematology/oncology14 citations
Semantic Scholar
THROMBOSIS DURING ALL-TRANS-RETINOIC ACID THERAPY IN A CHILD WITH ACUTE PROMYELOCYTIC LEUKEMIA AND FACTOR VQ 506 MUTATION
U. Koçak, T. Gursel, G. Ozturk, S. Kantarci
2000Pediatric Hematology & Oncology13 citations
Semantic Scholar
Influence of invasive aspergillosis during acute leukaemia treatment on survival after allogeneic stem cell transplantation: a prospective study of the EBMT Infectious Diseases Working Party
O. Penack, G. Tridello, U. Salmenniemi, Rodrigo Martino +43 more
2023EClinicalMedicine12 citations Open access
Semantic Scholar
Association of CYP3A5 Expression and Vincristine Neurotoxicity in Pediatric Malignancies in Turkish Population
Hulya Kayilioglu, U. Koçak, Derya Kan Karaer, E. Perçin +14 more
2017Journal of pediatric hematology/oncology12 citations
Semantic Scholar
The Risk Factors for Thrombosis in Children With Acute Lymphoblastic Leukemia
S. Sivaslıoğlu, T. Gursel, U. Koçak, Z. Kaya
2014Clinical and applied thrombosis/hemostasis12 citations
Semantic Scholar
Fatal Epstein-Barr virus infection in a case of familial hemophagocytic lymphohistiocytosis with syntaxin-11 mutation.
M. Albayrak, Z. Kaya, Ebru Yilmaz-Keskin, U. Zur Stadt +2 more
2009Turkish Journal of Pediatrics11 citations
Semantic Scholar
Bone marrow hemophagocytosis and immunological abnormalities in a patient with lysinuric protein intolerance.
Türkiz Gürsel, U. Koçak, L. Tümer, A. Hasanoğlu
1997Acta Haematologica10 citations
Semantic Scholar
Candida vertebra osteomyelitis in a girl with factor X deficiency
Türkiz Gürsel, Z. Kaya, U. Koçak, G. Erbaş +2 more
2005Haemophilia9 citations
Semantic Scholar
Outcome of autologous hematopoietic stem cell transplantation in children and adolescents with relapsed or refractory Hodgkin's lymphoma
V. Hazar, V. Kesik, S. Aksoylar, M. Karakukcu +21 more
2015Pediatric Transplantation8 citations
Semantic Scholar
Evaluation of Pediatric Bleeding Questionnaire in Turkish Children With Von Willebrand Disease and Platelet Function Disorders
B. Belen, U. Koçak, M. Işık, E. Keskin +5 more
2015Clinical and applied thrombosis/hemostasis8 citations Open access
Semantic Scholar
Macrophage activation syndrome due to Nocardia spp in a pediatric patient with cystic fibrosis
T. Şişmanlar Eyüboğlu, A. Aslan, Tugba Ramaslı Gursoy, Z. Onay +2 more
2019Pediatric Pulmonology5 citations
Semantic Scholar
Activated protein C resistance in cord blood from healthy and complicated newborns
T. Gursel, U. Koçak, Z. Kaya, A. Bukulmez +1 more
2007Journal of Maternal-Fetal & Neonatal Medicine5 citations
Semantic Scholar
Diagnostic Value of Neopterin during Neutropenic Fever and Determination of Disease Activity in Childhood Leukemias
F. Belen, U. Koçak, M. Albayrak, Z. Kaya +1 more
2012Disease Markers3 citations Open access
Semantic Scholar
Could Lower Bone Turnover be a Cause of Chest Pain During Childhood?
C. Şanlı, Nursel Akalın, U. Koçak, Reyhan Erol +3 more
2010Pediatric Cardiology3 citations
Semantic Scholar
The role of eosinophil counts and megakaryocyte nuclei for distinction of acute and chronic immune thrombocytopenic purpura
Kubra Cilesiz, U. Koçak, Z. Kaya, İ. Yenicesu
2024Blood Coagulation and Fibrinolysis1 citations
Semantic Scholar
Perspectives of Pediatric Patients, Parents, and Healthcare Providers on the Disclosure of a Leukemia Diagnosis and the Investigation of Internalizing Symptoms in Children with Leukemia
Y. Yaşar, Z. Kaya, Esra Guney, S. Kirkiz +1 more
2023Annals of Hematology & Oncology1 citations Open access
Semantic Scholar
Impact of peri-transplant RBC transfusion and ABO incompatibility on acute graft-versus-host disease in pediatric hematopoietic stem cell transplant patients.
Tayyibe Sever, S. Kirkiz, Z. Kaya, U. Koçak
2022Transfusion and Apheresis Science1 citations
Semantic Scholar
Pancytopenia after simultaneous vaccinations: Dilemma of hematogone versus leukemia.
Z. Kaya, S. Kirkiz, S. Çınar, U. Koçak
2022Indian Journal of Hematology and Blood Transfusion1 citations Open access
Semantic Scholar
Thoracic Air Leak Syndrome, Pulmonary Aspergillosis, and COVID-19 Pneumonia After Allogeneic Stem Cell Transplantation in a Child With Myelodysplastic Syndrome.
Tayyibe Sever, Z. Kaya, S. Kirkiz, A. Çelik +6 more
2021Journal of pediatric hematology/oncology1 citations
Semantic Scholar
Central Nervous System Fungal Infections in Children with Leukemia, Risk Factors and Outcome: A Multicentric Study
R. Kebudi, S. Karaman, Hande Kızılocak, Z. Karakaş +15 more
2018Blood1 citations Open access
Semantic Scholar
FEVER OF UNKNOWN ORIGIN DURING CHILDHOOD
D. Bozkaya, U. Koçak
20091 citations
Semantic Scholar
Effect of Minimal Residual Disease Guided Posttransplant 6-Mercaptopurine and Methotrexate Maintenance on Prognosis in Children with High-Risk Acute Lymphoblastic Leukemia: A Single-Center Experience
Zühre Kaya, A. Bayramlı, Serap Kirkiz Kayalı, Emine Orulluoğlu +1 more
2026Indian Journal of Hematology and Blood Transfusion0 citations
Semantic Scholar
Analysis of bone marrow samples by the SYSMEX‐XN20 hematology analyzer
Z. Kaya, S. Kirkiz, Z. N. Özkurt, M. Yağcı +1 more
2022International Journal of Laboratory Hematology0 citations
Semantic Scholar
Central Nervous System Fungal Infections in Children With Leukemia and Undergoing Hematopoietic Stem Cell Transplantation: A Retrospective Multicenter Study
S. Karaman, R. Kebudi, Hande Kızılocak, Z. Karakaş +37 more
2022Journal of pediatric hematology/oncology0 citations
Semantic Scholar
The Contribution of Neurocognitive Situation, Physical Capacity and Daily Life Activities to Quality of Life after Childhood Acute Lymphoblastic Leukemia
Elif Keleş, Yagmur Am, B. Elbasan, A. S. S. Acar +3 more
20200 citations Open access
Semantic Scholar
The Role of Human Parvovirus B19 in the Pediatric Patients with Pancytopenia?
Meryem Colak, A. A. Koçak, B. Dinç, Z. Kaya +3 more
2019Clinical Laboratory0 citations
Semantic Scholar
Hematologic Findings of Inherited Metabolic Disease: They are More Than Expected
E. Sal, İ. Yenicesu, I. Okur, Z. Kaya +5 more
2018Journal of pediatric hematology/oncology0 citations
Semantic Scholar
Genotype-Phenotype Studies in 70 Irida Patients
L. De Falco, Mariasole Bruno, L. Silvestri, C. Kannengiesser +14 more
20160 citations
Semantic Scholar
Demographic Characteristics , Causes , Clinical Features , laboratory Variables , and Outcomes of 52 Children With Hemophagocytic lymphohistiocytosis
Z. Kaya, A. Bay, M. Albayrak, U. Koçak +2 more
20150 citations
Semantic Scholar
Allogeneic stem cell transplantation in children with relapsed and refractory leukemia
Z. Kaya, M. Karakukcu, E. Unal, U. Koçak +2 more
20150 citations
Semantic Scholar
Pediatrik Akut Lenfoblastik Lösemi Tedavisinde Farmakogenetik
Fatma Burcu Belen, U. Koçak
20120 citations
Semantic Scholar
P-02 Granulocyte Transfusions in Pediatric Leukemia Patients With Febril Neutropenia
M. Işık, E. Sal, B. Belen, Nergiz Öner +6 more
20120 citations
Semantic Scholar
Platelet usage trends in a tertiary care hospital - Could it be less and less expensive?
F. Belen, Arzu Okur, F. Kulalı, Odul Eğrıtaş +4 more
2012Transfusion and Apheresis Science0 citations
Semantic Scholar
Platelet Usage Trends-Could It Be Less?
U. Koçak, F. Belen, Arzu Okur, F. Kulalı +2 more
20110 citations
Semantic Scholar

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Z. Kaya×33
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Z. Kaya — researcher profile on SciRah
T. Gursel×15
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İ. Yenicesu×15
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M. Albayrak×12
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Türkiz Gürsel

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S. Kirkiz — researcher profile on SciRah

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B. Belen — researcher profile on SciRah

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