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106 result(s) for "Sahin, Fahri"
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The effect of malnutrition on mortality in hospitalized patients with hematologic malignancy
Objectives The aim of this study was to assess the association between malnutrition status with the (Global Leadership Initiative on Malnutrition) GLIM criteria and 1-year mortality in hospitalized patients with hematologic malignancy. Methods This study included 120 hospitalized patients with hematologic malignancy. Patients who were at risk of malnutrition with NRS2002 were reevaluated with the GLIM criteria for defined malnutrition. Also, the mid-upper arm circumference (MUAC), calf circumference (CC), and handgrip (HG) were measured, and albumin, C reactive protein (CRP), and total protein were recorded to assess malnutrition-related factors. Results A total of 120 patients are with lymphoma, leukemia, and myeloma having a rate of 34.2%, 34.2%, and 31.6%, respectively, and risk of malnutrition with NRS2002 was established in 82% of patients. Malnutrition with GLIM criteria was seen in 25.8% of patients. The 1-year mortality rate was 41.7% ( n  = 50). Malnutrition was associated with higher mortality risk independently with age and duration of diagnosis (HR 3.55 (1.99–6.34), p  = 0.001). Low HG (HR 0.51 (0.26–0.99), p  = 0.03), low albumin (HR 0.39 (0.2–0.6), p  = 0.001), and high CRP (HR 2.39 (1.36–4.20), p  = 0.002) were significantly associated with increased mortality risk. In contrast, BMI, MUAC, FFMI, and CC were not associated with higher mortality. Conclusion Malnutrition is high with the GLIM criteria. Hospitalized patients with hematologic malignancy with malnutrition have a higher 1-year mortality risk.
The Dilemma of Providing Advanced Hemophilia Treatments in Developing Countries - For Whom, by Whom and Where?
Hemophilia, a congenital deficiency of factor VIII (hemophilia A) or factor IX (hemophilia B), leads to recurrent bleeding episodes that may cause progressive joint damage and long-term disability. Traditional management relies on intravenous factor replacement therapy; however, limited half-life, immunogenicity, venous access challenges, and the burden of frequent infusions have prompted the development of extended half-life (EHL) factor products. Although EHL therapies represent an important advancement, they only partially reduce treatment burden and do not fully meet expectations for improved convenience and sustained bleed protection. Recent innovations are reshaping the therapeutic landscape. Nonfactor subcutaneous therapies such as anti-TFPI molecules, antithrombin reducing agents, and anti-protein C agents offer simplified administration with the potential for improved adherence. Gene therapy provides the prospect of a long-term therapeutic effect in selected patients. In Türkiye, hemophilia care remains largely factor-based; however, clinical trial participation and recent regulatory approvals for selected novel therapies have begun to expand real-world experience with these emerging treatment options. As global practice shifts toward individualized, less invasive treatment approaches, expanding availability of novel therapies and optimizing patient-specific treatment strategies will be essential. This review examines current and evolving treatment options, key challenges, and future opportunities shaping the trajectory of hemophilia management.
Prevalence of anemia and malnutrition and their association in elderly nursing home residents
Purpose Malnutrition is one of the most important geriatric syndromes in the elderly. The aim of this study was to investigate the association between anemia and malnutrition in elderly nursing home residents. Materials and methods Local nursing home residents over 60 years old in the Izmir were included in the study. Blood samples were taken from study participants for hemogram, iron, ferritin, total iron-binding capacity, vitamin B12 and folic acid analysis. WHO criteria were used to define anemia. Causes of anemia were classified as iron deficiency, vitamin B12 or folic acid deficiency, anemia of chronic disease or other hematologic causes. Anemia was defined as the dependent variable and malnutrition was defined as the independent variable. Correlation between MNA scores and Hb levels was determined using Pearson correlation analysis. The slope of causality between malnutrition and anemia was determined using the χ 2 test and logistic regression analysis. Results The study included 257 elderly nursing home residents with a mean age of 78.5 ± 7.8 years. The overall prevalence of anemia was 54.9 %; 35.8 % of the study participants were at risk of malnutrition and 8.2 % were malnourished. Anemia risk was 2.12-fold higher in participants at risk of malnutrition and 5.05-fold higher in those with malnutrition. In the participants with malnutrition or malnutrition risk, the most common cause of anemia was anemia of chronic disease (57.1 and 46.5 %, respectively). Conclusion The prevalence of anemia among elderly nursing home residents is high in Turkey. Malnutrition and malnutrition risk increase the incidence of anemia.
The roles of bioactive sphingolipids in resveratrol-induced apoptosis in HL60 acute myeloid leukemia cells
Purpose Acute promyelocytic leukemia results from a translocation between 15 and 17 chromosomes that produce PML/RARα fusion protein. PML/RARα inhibits differentiation of myeloid precursor cells at stem cell level. Resveratrol is a phytoalexin that exerts cytotoxic effects on cancer cells. Ceramides have crucial roles in cell growth, proliferation, differentiation, drug resistance, and apoptosis. In this study, we examined the possible cytotoxic effects of resveratrol on acute myeloid leukemia cells and determined the roles of ceramide-metabolizing genes in resveratrol-induced apoptosis, in addition to investigating the possibility of increasing the sensitivity of HL60 cells to resveratrol by manipulating sphingolipids. Methods Cytotoxic effects of resveratrol, C8:ceramide, PDMP, and SK-1 inhibitor were determined by XTT cell proliferation assay. Changes in caspase-3 enzyme activity and mitochondrial membrane potential (MMP) were measured using caspase-3 colorimetric assay and JC-1 MMP detection kit. Expression levels of ceramide-metabolizing genes were examined by RT-PCR. Results The results revealed that manipulations of ceramide metabolism toward generation or accumulation of apoptotic ceramides increased apoptotic effects of resveratrol in HL60 cells, synergistically. More importantly, gene expression analyses revealed that resveratrol-induced apoptosis via increasing expression levels of ceramide-generating genes and decreasing expression levels of antiapoptotic sphingosine kinase-1 and glucosylceramide synthase genes. Conclusion These results showed for the first time that increasing intracellular levels of ceramides by biochemical approaches has also increased sensitivity of HL60 cells to resveratrol. We also showed that resveratrol induces apoptosis through manipulating ceramide-metabolizing genes that resulted in the accumulation of ceramides in HL60 cells.
Comparative expression analysis of dasatinib and ponatinib-regulated lncRNAs in chronic myeloid leukemia and their network analysis
LncRNAs are associated with malignancies with their tumor suppressor/oncogenic properties. Although many studies are conducted related to the mechanism of action for dasatinib and ponatinib in chronic myeloid leukemia (CML), their comparative effects on lncRNA expressions are largely unknown. Hence, we aimed to define the lncRNAs involved in the treatment of CML with dasatinib and ponatinib. We measured the cytotoxicities of dasatinib/ponatinib with CCK-8 assay and identified differentially expressed lncRNAs (DEL) by qRT-PCR. We determined the principal functions of DELs by Ingenuity Pathway Analysis (IPA) and performed gene ontology (GO) analysis for apoptosis and anti-proliferation-related lncRNAs. Apoptotic and anti-proliferative activities of dasatinib/ponatinib were confirmed by flow-cytometry. In K562 cells, dasatinib/ponatinib re-regulated lncRNAs which were dysregulated in leukemia. DELs after treatment (forty with dasatinib, thirty-seven with ponatinib) were related to increased cell death; decreased cell viability, proliferation, tumor growth, invasion, migration. Dasatinib-mediated network was related to cancer, hematological disease while ponatinib-mediated network was associated with cancer, cell death/survival, cell-to-cell signaling/interaction. Both treatments predicted activation of IFNγ, IL1β, TNF as upstream regulators, specially this effect was higher in dasatinib. Comparison analysis showed that ponatinib was predicted more effective in cell death of tumor cell line than dasatinib. We confirmed that ponatinib was more potent than dasatinib to induce apoptosis and inhibit proliferation of CML cells, in consensus with IPA and GO analysis results. LncRNAs are specifically involved in anti-leukemic activities of dasatinib and ponatinib. Our findings will contribute to understanding signalization occurring in CML cells after standard treatments.
Level of Awareness of Acquired Hemophilia A Among Physicians in Türkiye: A Survey Study
[LANGUAGE=”English”]This survey study aimed to evaluate the level of awareness and knowledge of acquired hemophilia A (AHA) among physicians from various specialties. Data were collected by administering a questionnaire containing questions about two patient profiles to evaluate the approaches of physicians from different specialties. The study included a total of 945 physicians. The most common suspected diagnosis for the clinical patient profile was immune thrombocytopenia, followed by hemophilia. For the laboratory patient profile, the most common suspected diagnosis was hemophilia. While only 9.4% of the physicians stated that they had good knowledge of this disease, only 21.6% wanted to learn more about AHA. Most of the participating physicians do not rank AHA first in the differential diagnosis of a patient with clinical and laboratory findings of AHA. Appropriate educational activities to raise awareness of AHA will help reduce disease-related morbidity and mortality.[LANGUAGE=”Turkish”]Bu anket çalışması, çeşitli uzmanlık alanlarından hekimler arasında edinsel hemofili (AHA) hakkındaki farkındalık ve bilgi düzeyini değerlendirmeyi amaçlamıştır. Veriler, farklı uzmanlık alanlarından hekimlerin yaklaşımlarını değerlendirmek için iki hasta profili hakkında sorular içeren bir anket uygulanarak toplandı. Çalışmaya toplam 945 hekim katılmıştır. Klinik hasta profili için en çok şüphelenilen tanı immün trombositopeniydi ve bunu hemofili izliyordu. İkinci laboratuvar hasta profili için en sık şüphelenilen tanı hemofili olmuştur. Hekimlerin sadece %9,4’ü bu hastalık hakkında iyi bilgiye sahip olduğunu belirtirken, sadece %21,6’sı AHA hakkında daha fazla bilgi edinmek istediğini ifade etmiştir. Hekimlerin çoğu, AHA’nın klinik ve laboratuvar bulgularına sahip bir hastada ayırıcı tanıda AHA’yı ilk sıraya koymamaktadır. AHA hakkında farkındalığı artırmaya yönelik uygun eğitim faaliyetleri, hastalıkla ilişkili morbidite ve mortalitenin azaltılmasına yardımcı olacaktır.
Bilateral Lacrimal Gland Lymphoma in Sjögren Syndrome
A 31-year-old female with Primary Sjögren Syndrome (pSS) presented with bilateral puffiness around the eye for 3 years. The lacrimal glands were hypertrophic and edematous bilaterally. Schirmer 1 score was 2 and 1 mm and tear-film break-up time was 3 and 4 seconds, in the right and the left eyes, respectively. An incisional biopsy from the left lacrimal gland revealed diffuse and intense CD20, CD5, and bcl-2 positivity with negative cyclin D1 and CD23 which supported lymphoma. Upon haematology consultation extranodal marginal zone lymphoma diagnosis was made. CHOP (cyclophosphamide, doxorubicin, vincristine, and methyl prednisolone) treatment was initiated. In conclusion, pSS is a well known autoimmune disease in which increased rate of lymphoma is present. Early detection with histopathologic confirmation and multidisciplinary approach with ophthalmology, rheumatology, and haematology are mandatory in these patients.