Publications by authors named "Kaynar L"

Early T-precursor acute lymphoblastic leukemia/lymphoma (ETP-ALL/LBL) is a rare and aggressive subtype of T-cell leukemia with poor prognosis and resistance to standard treatments. We report a 21-year-old male with ETP-ALL/LBL who, after an initial complete remission with the HOELZER protocol, experienced early relapse and was refractory to subsequent FLEND and BFM protocols. Following disease progression and complications, he was treated with a combination of daratumumab, venetoclax, azacitidine, and dexamethasone.

View Article and Find Full Text PDF

Homeobox (HOX) transcript antisense RNA (HOTAIR) and HOX genes are reported to be more expressed in various cancers in humans in recent studies. The role of HOTAIR and HOXD genes in acute myeloid leukemia (AML) and chronic myeloid leukemia (CML) is not well known. In this study, expression levels of HOXD8, HOXD9 and HOXD11 from HOXD gene family and HOTAIR were determined from peripheral blood samples of 30 AML and 30 CML patients and 20 healthy volunteers by quantitative Real Time PCR.

View Article and Find Full Text PDF
Article Synopsis
  • Pneumocystis jirovecii pneumonia (PJP) is an opportunistic infection that primarily affects immunocompromised individuals, presenting with symptoms like cough, fever, and especially aggressive courses in patients who have undergone allogeneic stem cell transplants.
  • A case study details a 56-year-old male who, after an allogeneic stem cell transplant for acute myeloid leukemia, developed hypercalcemia and renal failure along with fatigue, leading to a confirmed diagnosis of PJP.
  • Treatment included hydration, furosemide, and denosumab, and ultimately resolved both the hypercalcemia and the PJP infection with the patients’ follow-up showing improvement in symptoms.*
View Article and Find Full Text PDF

Background: Hairy cell leukemia (HCL) is a rare mature B-cell malignancy that is primarily treated with purine analogues. However, relapse remains a significant challenge, prompting the search for alternative therapies. The BRAF V600E mutation prevalent in HCL patients provides a target for treatment with vemurafenib.

View Article and Find Full Text PDF

Introduction: Thrombocytopenia is among the most common complications following hematopoietic stem cell transplantation and is associated with increased mortality and morbidity with no standard treatment yet. In this multicenter and retrospective study, we aim to present our multi-center experience of Eltrombopag treatment in patients with isolated thrombocytopenia following HSCT.

Material-method: A total of 73 patients from 5 centers who underwent autologous or allogeneic stem cell transplantation, had no primary disease relapse, all of whom had neutrophil engraftment, complete chimerism, and who were diagnosed with Prolonged Isolated Thrombocytopenia (PIT) or Secondary Failure Of Platelet Recovery (SFPR) were included in the study.

View Article and Find Full Text PDF

Tamoxifen (TAM) is an antiestrogenic agent used for adjuvant treatment in estrogen receptor-positive breast cancers in the pre/post-menopausal period. This study, it was aimed to determine the effect of olive oil extract of propolis (OEP) on short and long-term administration of TAM in rats. Wistar albino rats were divided into groups with eight animals in each.

View Article and Find Full Text PDF

Danger-associated molecular patterns (DAMPs) are molecules that can initiate and maintain robust inflammatory responses and were investigated in the pathogenesis of graft versus host disease (GvHD). Uric acid (UA) and fibrinogen (Fib) are DAMPs released from damaged tissue during allogeneic hematopoietic stem cell transplantation (allo-HCT) and GvHD. We aimed to evaluate the effects of UA and Fib levels on survival in GvHD.

View Article and Find Full Text PDF

Background: Factors such as age, underlying hematological disease, chemotherapy and radiotherapy used, and bone marrow infiltration may cause mobilization failure. Several preclinical observed that diabetes mellitus (DM) leads to profound remodeling of the hematopoietic stem cell (HSC) niche, resulting in the impaired release of HSCs. We aim to examine the effect of DM on HSC mobilization and to investigate whether there is a relationship between complications developing in the DM process and drugs used to treat DM and mobilization failure.

View Article and Find Full Text PDF
Article Synopsis
  • * New T-cell therapies, like bispecific antibodies and CAR-T cells, are promising for MM but their effectiveness for CNS involvement is not well-studied.
  • * A case report highlights a 37-year-old male with CNS-MM who was successfully treated with Elranatamab, a bispecific antibody targeting BCMA and CD3.
View Article and Find Full Text PDF

Plerixafor increases stem cell mobilization by reversibly binding to the chemokine receptor CXCR4. In our study, we examined the results of mobilization with plerixafor and granulocyte colony-stimulating factor (G-CSF) and revealed their effects on autologous stem cell transplantation (ASCT) engraftment kinetics. The study included all cases of ASCT performed in the Adult Bone Marrow Transplantation Unit of xxx University between January 2014 and January 2022.

View Article and Find Full Text PDF
Article Synopsis
  • * In a study of 90 patients, flow cytometry (FCM) showed higher sensitivity (94.2%) compared to cytology (68.5%) for diagnosing CNS involvement, although cytology remains the gold standard.
  • * The findings suggest that FCM could be a valuable routine diagnostic tool alongside cytology, as it can detect smaller numbers of malignant cells more effectively and offers quicker results.
View Article and Find Full Text PDF
Article Synopsis
  • Graft versus host disease (GvHD) poses serious risks after hematopoietic stem cell transplantation, especially in steroid-refractory cases.
  • This study evaluates the safety and effectiveness of mesenchymal stromal cell (MSC) therapy for patients with late aGvHD and compares it to those with acute aGvHD.
  • Results show that MSC treatment led to a higher response rate in late aGvHD patients, with 23.3% achieving complete response, and significantly lower non-relapse mortality at the 2-year follow-up compared to acute cases.
View Article and Find Full Text PDF

Introduction: To identify new clinical and biologic parameters associated with short-term survival in allogeneic or autologous hematopoietic stem cell transplantation (HSCT) patients who were admitted to the intensive care unit (ICU) during their post-transplant period.

Materials And Methods: 40 patients who were admitted to the ICU in our center during their post-transplant period were evaluated retrospectively between Jan 2014 - Jun 2021. Baseline patient characteristics before the transplant, reasons for ICU admissions, laboratory and clinical findings, supportive treatment in ICU and short-term survival were analyzed.

View Article and Find Full Text PDF

Polatuzumab vedotin (Pola) with bendamustine and rituximab (BR) is a promising option for patients with relapsed/refractory (R/R) diffuse large B-cell lymphoma (DLBCL). We analyzed the data of 71 R/R DLBCL patients who had been treated with Pola-BR in the named patient program from March 2018 to April 2021 from 32 centers in Turkey. All patients received up to six cycles of Pola 1.

View Article and Find Full Text PDF

Recipients of hematopoietic stem cell transplantation (HSCT) with HLA-mismatched donors are more immune suppressed than those with fully matched donors. The immunologic response to vaccines also may differ in HLA-mismatched haploidentical HSCT recipients. In this study, we aimed to evaluate the antibody response to vaccines in pediatric TCRαβ-depleted haploidentical HSCT recipients.

View Article and Find Full Text PDF

Cerebral toxoplasmosis is a rare but often life-threatening infection after hematopoietic stem cell transplantation (HSCT). In such cases, early diagnosis and initiation of treatment are vital. We describe a case of cerebral toxoplasmosis in a patient who underwent HSCT for acute myeloid leukemia.

View Article and Find Full Text PDF
Article Synopsis
  • Multiple myeloma (MM) is a cancer primarily affecting older adults, and this study focused on assessing the health and functionality of newly diagnosed patients before and after treatment.
  • The study involved 37 patients aged 50 and older, measuring their performance status and conducting a comprehensive geriatric assessment (CGA) at diagnosis and after 4 cycles of induction chemotherapy.
  • Findings indicated that 40.7% of patients showed improvement in performance status post-treatment, with frail patients and those with more health issues experiencing less improvement, suggesting CGA can help predict potential recovery and suitability for future treatments like transplants.
View Article and Find Full Text PDF

Background: Refeeding Hypophosphatemia (RH) occurs with feeding after an extended period of not feeding. Hematological Stem Cell Transplantation (HSCT) is one of the effective methods for hematologic malignancy. Nutritional disorders are frequently observed in hematologic malignancies due to the disease's pathology and the treatment's effect.

View Article and Find Full Text PDF

Background: Bacteremia is a common complication in hematopoietic stem cell transplant (HSCT) recipients. Prophylactic fluoroquinolone is recommended and used in these individuals. Breakthrough infections can occur with fluoroquinolone-resistant strains.

View Article and Find Full Text PDF

Purpose: Sepsis and septic shock are the major causes of death in intensive care units. This study aimed to evaluate the clinical safety and efficacy of mesenchymal stem cells (MSCs) in sepsis and septic shock patients.

Methods: Ten patients were enrolled in the study.

View Article and Find Full Text PDF

Objective: We aimed to determine the coronavirus disease 2019 (COVID-19) fear state in haematopoietic stem cell transplant patients and to examine its relationship with quality of life.

Methods: In this prospective study, 64 patients who underwent HSCT during the pandemic were included. The COVID-19 fear situation was evaluated with the Fear of COVID-19 Scale (FCV-19S).

View Article and Find Full Text PDF

Unlabelled: Secondary hypogammaglobulinemia (SHG) is characterized by a decrease in total serum immunoglobulin (Ig) levels and can lead to immunodeficiency associated with recurrent and severe infections and is a common complication of chronic lymphocytic leukaemia (CLL). SHG also increases with the treatment of CLL. Ibrutinib is one of these treatments and acts by inhibiting bruton tyrosine kinase.

View Article and Find Full Text PDF
Article Synopsis
  • * A study compared daily versus every other day oral iron supplementation in premenopausal women with IDA, finding significant improvements in hemoglobin and other iron-related measurements in both groups after 2 months.
  • * Although hepcidin levels were slightly higher in the every other day group, there was no significant difference, suggesting that less frequent dosing can improve patient compliance while maintaining similar effectiveness.
View Article and Find Full Text PDF