UNLABELLED Evaluation of different types of lymphocyte subpopulations in the peripheral blood has unknown and controversial significance in diagnosis of infertility. The aim of the study was to evaluate selected blood lymphocytes in patients treated with intracytoplasmic sperm injection (ICSI). MATERIALS AND METHODS women were divided into three groups: (1) control fertile group (n=18), (2) i...

In this study, we present evidence that interaction of Fc gamma R(CD16) with ligands (immune complexes or anti-CD16 antibodies) induces a rapid rise in [Ca2+]i and fast production of both inositol 1,4,5 triphosphate (IP3) and IP4 in homogeneous NK cell preparations. Part of the initial [Ca2+]i rise observed upon stimulation of NK cells with either anti-CD16 antibodies alone or after their cross...

OBJECTIVES The aim of this study was to analyze the yet ill-defined relationship of distinct human monocyte subsets with cardiovascular outcomes in a broad patient population at cardiovascular risk. BACKGROUND Monocytes, the most abundant immune cell type found in atherosclerotic plaques, are crucial promoters of atherogenesis. Three distinct human monocyte subsets exist: classical CD14++CD16...

BACKGROUND Monocyte activation and tissue infiltration are quantitatively associated with high-salt intake induced target organ inflammation. We hypothesized that high-salt challenge would induce the expansion of CD14++CD16+ monocytes, one of the three monocyte subsets with a pro-inflammatory phenotype, that is associated with target organ inflammation in humans. METHODOLOGY/PRINCIPAL FINDING...

Abstract Background Coronavirus Disease 2019 (COVID-19) caused by the SARS-CoV-2 virus is associated with dysregulation in innate immune response including NK cells. cells are integral against viral infections. Canonical classified as CD56dim CD16+ and CD56bright CD16-. An unconventional subset of CD16- has previously been identified COVID-19 that not present other Here we characterize phenotyp...

In this study, we investigate the percentage and absolute number of granular lymphocytes (GL) in venous blood smears and the percentage of CD16+ and CD57+ lymphocytes in the peripheral venous blood of 91 healthy controls (1 to 29 years old) and 168 patients with various diseases (1 month to 36 years old). GL were morphologically classified into four subsets: large-sized lymphocytes with large g...

We have analyzed the ability of highly purified preparations of human NK cells to produce CSF. NK cells, purified by negative selection from 10-d cultures of PBMC incubated with irradiated B-lymphoblastoid cell lines, were stimulated with rIL-2, FcR(CD16) ligands (particulate immune complexes or anti-CD16 antibodies bound to Sepharose), a combination of CD16 ligands and rIL-2, or the phorbol di...

Natural killer (NK) cells have a key role in the innate immune response against pathogens because of their cytotoxic properties and production of interferon-gamma (IFN-gamma). Some insight into ruminant NK cell biology has been gained through the characterization of bovine NK cells as NKp46(+)/CD3(-) cells. However, ovine NK cells have been little studied because of the lack of specific antibod...

In the present study, we investigated subpopulations of natural killer (NK) cells and the expression of stimulatory and inhibitory NK receptors after adult blood and bone marrow transplantation (BBMT) and cord blood transplantation (CBT). There were significant increases in CD16(+)CD56(dim) cell proportion and in absolute number in peripheral blood mononuclear cells (PBMC) during a period of 4-...