García-Muñoz Ricardo, Nájera María-Josefa, Feliu Jesús, Antón-Remírez Judith, Ramalle-Gómara Enrique, Marín-Gorricho Raquel, Peralta Raisa, Gutiérrez-Gamarra Elena, Nuñez-Rodriguez Jessica, Zafra-Morales Ricardo, Aguinaga Lorea, Nebot-Villacampa María-Jose, Hernandez-Pérez Prisma-Monserrat, Farfán-Quiroga Giovanna, Panizo Carlos, Domínguez-Garrido Elena
Department of Hematology, San Pedro Hospital, 26006 Logroño, La Rioja, Spain.
Department of Physical Medicine & Rehabilitation, Navarra Hospital Complex, Pamplona, Spain.
Future Sci OA. 2019 Nov 26;5(10):FSO425. doi: 10.2144/fsoa-2019-0064.
To analyze the effects of subcutaneous or intravenous rituximab + lymphokine-activated killer cells, obinutuzumab or ibrutinib on natural killer (NK) cell levels in chronic lymphocytic leukemia and follicular lymphoma patients.
PATIENTS & METHODS: The distribution of peripheral blood NK cells of 31 patients was analyzed by flow cytometry.
We detected a decrease of NK cells in peripheral blood below normal range after obinutuzumab treatment. During maintenance treatment with subcutaneous rituximab, an NK cell reduction was less pronounced than after intravenous rituximab treatment, despite lymphokine-activated killer cell infusions.
After one dose of obinutuzumab, each NK cell in peripheral blood destroys 25 leukemic cells.
分析皮下或静脉注射利妥昔单抗+淋巴因子激活的杀伤细胞、奥滨尤妥珠单抗或伊布替尼对慢性淋巴细胞白血病和滤泡性淋巴瘤患者自然杀伤(NK)细胞水平的影响。
采用流式细胞术分析31例患者外周血NK细胞的分布情况。
我们检测到奥滨尤妥珠单抗治疗后外周血NK细胞减少至正常范围以下。在皮下注射利妥昔单抗维持治疗期间,尽管输注了淋巴因子激活的杀伤细胞,但NK细胞的减少程度不如静脉注射利妥昔单抗治疗后明显。
一剂奥滨尤妥珠单抗后,外周血中的每个NK细胞可破坏25个白血病细胞。