Gender similarities and differences in the perception of caring among nurses during the COVID-19 pandemic: a mixed-methods study.

Background: Caring is the essence and core of nursing. Current studies on the effect of gender on nurses' perception of caring have been inconsistent. Most of these studies were quantitative and conducted before the COVID-19 pandemic.

The impact of caring for COVID-19 patients on nurse professional identity: A cross-sectional study using propensity score analysis.

Objective: To examine the impact of caring for COVID-19 patients on the professional identity of nurses.

Methods: An online survey was conducted between 19 May and 7 August 2020 in 11 Chinese cities, including Dongguan, Foshan, Guangzhou, Hong Kong, Huizhou, Jiangmen, Macao, Shenzhen, Zhaoqing, Zhongshan, and Zhuhai. Propensity score matching was used to adjust for confounding variables between nurses with and without experience caring for COVID-19 patients.

Factors influencing caring behaviour among registered nurses during the COVID-19 pandemic in China: A qualitative study using the COM-B framework.

Aim: The aim of this work is to explore the influencing factors of nurses' caring behaviour during the COVID-19 pandemic based on the Capability, Opportunity, Motivation as determinants of Behaviour (COM-B) theoretical framework.

Background: Nurse caring behaviour is vital to reduce and speed up the healing process of COVID-19 patients. It is important to understand the factors that influence caring behaviour among nurses during the COVID-19 pandemic.

Design, synthesis and bioactivities evaluation of novel oleanolic acid derivatives as potent PI3K inhibitors.

Oleanolic acid has previously been shown to possess PI3K inhibitory activity, thus, the purpose of this work was to generate a series of derivatives that improve the potency. Twenty rationally designed oleanolic acid derivatives were synthesized and tested the cytotoxicity and PI3K inhibitory activity. The results suggested that attachment of additional structural elements such as association of thiazole group to A ring and insertion of phenylurea group was important for increasing activities.

What Makes Chinese Adult Children Behave Differently during Parents' End of Life: A Discriminant Analysis of Macao Chinese.

The daily practice of filial piety (FP) is well prescribed under the traditional filial norms in the Chinese community. However, exploration of FP practices at the end of parents' lives is limited. The current study explored the FP representation and good death preferences of Macao Chinese.

Prevalence and Predictors of Willingness to Make Advance Directives among Macao Chinese.

While advance directives (ADs) are considered to be part of government's healthcare agenda, there has not been any public consultation for legislation, nor investigation regarding the public's views about ADs in the Chinese culture of Macao. The current study explored the Macao Chinese people's willingness to make ADs. Data were collected from 724 residents aged 18 years and above.

Nurses Who Are More Willing to Participate in the Fight against COVID-19: Evidence from China.

When facing an infectious disease disaster, nurses' willingness to work is critical. Nurses' lack of willingness to work during a pandemic may worsen the shortage of health care personnel. The purpose of this study is to assess the willingness of nurses to participate in the fight against COVID-19 in China and to identify factors associated therewith.

A Chinese Version of the Caring Dimensions Inventory: Reliability and Validity Assessment.

Caring is central to nursing practice. Chinese nurses take care for the health of about 20% of the world's population and their perception of caring is critical. However, until recently, instrument specifically designed to measure the caring of nurses in China was not found.

[The Relationship between Reducing of Peripheral Blood Treg in Primary Diffuse Large B-Cell Lymphoma Patients and Poor Prognosis].

Objective: To explore the relationship between Treg cells level in peripheral blood and prognosis of patients with diffuse large B-cell lymphoma (DLBCL).

Methods: The percentage and absolute value of Treg cells in peripheral blood of DLBCL patients were detected by flow lytometry, and their correlation to prognosis was analyzed by survival analysis. The absolute count of Treg cells was detected by using maximally selected Log-rank statistic, and it was used as cutoff point to distinguish difference survival.

Expression and role of MIG/CXCR3 axis in mantle cell lymphoma.

Mantle cell lymphoma (MCL) is a unique subtype of B-cell non-Hodgkin lymphoma with a generally aggressive and heterogeneous clinical course. Chemokines are one of the complex components in the tumor microenvironment (TME), and they play a vital role in tumor progression and metastasis. There is no information about the monokine induced by gamma interferon (MIG)/CXC chemokine receptor 3 (CXCR3) axis in patients with MCL.

[Diagnosis and Prognosis Value of Bone Marrow Aspirate Detection for the Bone Marrow Involvement in Non-Hodgkin's Lymphoma Patients].

Objective: To compare and evaluate the sensitivity, specificity, and prognostic value of various assays for bone marrow involvement in patients with non-Hodgkin's lymphoma (NHL).

Methods: A total of 351 patients with NHL who underwent concurrent bone marrow biopsy in Third Hospital of Peking University from January 2013 to November 2017 were selected. Bone marrow biopsy (BMB), flow cytometry (FCM), gene rearrangement detection, and bone marrow morphology examination were performed for evaluation of bone marrow involvement.

[Expression and Clinical Significance of CXCR3 in Mantle Cell Lymphoma].

Objective: To investigate the expression and clinical significance of chemokine receptor CXCR3 in mantle cell lymphoma (MCL).

Methods: Flow cytometry was used to detect CXCR3 in lymph nodes and extranodal tissues in 25 newly diagnosed MCL patients. The correlation of the expression of CXCR3 level with clinical features and prognostic factors was analyzed.

The Degree of Sex Reversal in Muscovy Ducks (Cairina moschata domestica) Induced by an Aromatase Inhibitor.

Under the same feeding conditions, the growth and development of male Muscovy ducks is significantly greater than that of females. Thus, controlling their sex expression can have economic benefits. However, reports on the degree of sex reversal in Muscovy ducks are scarce.

Effect of comprehensive nursing intervention in preventing postoperative pain, complications, and psychological pressure in the otolaryngology department.

This study aims to analyze the influence of comprehensive nursing intervention on the postoperative pain, complications, and psychological pressure of otolaryngology patients.A total of 300 otolaryngology patients in our hospital from February 2016 to October 2017 were selected and randomly divided into 2 groups using the random number table: control group (n = 150), patients were given routine nursing; experimental group (n = 150), patients were given comprehensive nursing intervention. Postoperative pain, complications, and psychological pressure between the 2 groups were analyzed.

MicroRNA-506 inhibits the proliferation and invasion of mantle cell lymphoma cells by targeting B7H3.

Background: Aberrant expression of B7 homologue 3 (B7H3) has been observed in various malignancies. Our previous study demonstrated that knocking down of B7H3 inhibited cell proliferation, invasion and enhanced the therapeutic efficacy of chemotherapy in mantle cell lymphoma (MCL). However, the mechanism regulating of B7H3 expression remains unknown.

[Relationship of the Changes of Peripheral Blood Immuno-Cell Subsets with the Prognosis of B Cell Lymphoma Patients].

Objective: To investigate the relationship of T lymphocyte subsets, B lymphocytes and NK cells with the genesis, progression and prognosis of B cell lymphoma.

Methods: The levels of T lymphocyte subsets, B lymphocytes and NK cells in peripheral blood of healthy control group and B cell lymphoma group were detected by flow cytometry (FCM). The clinical data were collected, and the relationship of these immune indexes with the general conditions, laboratory indexes, curative effect and prognosis were analyzed.

[MicroRNA-223 Regulates the Differentiation of Human Embryonic Stem Cells to Dendritic Cells].

Objective: To establish a new inducing system for differentiation of human embryonic stem (ES) cells to dendritic cells (DC), and further explore how microRNA-223 (miR-223) regulates DC differentiation from ES cells.

Methods: Human ES cells were cultured on plates coated by IV type collagen and differentiated into hematopoietic stem/progenitor cells, common myeloid progenitor cells and DC step by step via adding different hematopoietic growth factors. The differentiated cells were identified by morphology, flow cytometry and hematopoietic colony forming unit (CFU) assays.

[Expression and Subcellular Distribution of Costimulatory Molecules B7-H1,B7-H3 and B7-H4 in Human Hematologic Malignancy Cell Lines].

Objective: To investigate the expression and subcellular distribution of costimulatory molecules B7-H1, B7-H3 and B7-H4 in human hematologic malignancy cell lines.

Methods: The expression and subcellular distribution of B7-H1, B7-H3 and B7-H4 in 13 human hematologic malignancy cell lines were determined by RT-PCR, qPCR, Western blot and flow cytometry, the peripheral blood mononuclear cells (PB MNC) of 12 volunteers were used as control.

Results: The mRNA of B7-H1, B7-H3 and B7-H4 was widely expressed in PB MNC and hematologic malignancy cell lines, with a lower level of B7-H4.

[Correlation between Expression of CD200 and Regulatory T Cells in Multiple Myeloma and Its Significance in Prognostic Stratification].

Objective: To study the correlation between expression of CD200 and regulatory T cells (Tregs) in multiple myeloma(MM) patients and to explore its significance in prognostic stratification.

Methods: CD200 and other immunophenotypes, including CD38, CD138, CD56, CD19, CD20, CD117, cytoplasm light chain Kappa and Lambda in bone marrow samples, and Tregs in peripheral blood were detected by flow cytometry from 78 newly diagnosed MM patients. Serum concentrations of hemoglobin(Hb), β2 microglobulin (β2-MG) and lactate dehydrogenase (LDH) were detected, respectively.

[Inductive Effect of 5-Azacitidine on Apoptosis of Multiple Myeloma Cell lines and Its Mechanism].

Objective: To investigate the response of multiple myeloma (MM) cells to 5-azacitidine and its possible mechanisms.

Methods: Two multiple myeloma-derived cell lines U266 and H929 were used in this study. The cell proliferation and apoptosis were assessed by CCK-8, flow cytometry and acridine orange staining.

Salvianolic acids attenuate rat hippocampal injury after acute CO poisoning by improving blood flow properties.

Carbon monoxide (CO) poisoning causes the major injury and death due to poisoning worldwide. The most severe damage via CO poisoning is brain injury and mortality. Delayed encephalopathy after acute CO poisoning (DEACMP) occurs in forty percent of the survivors of acute CO exposure.

Thymopentin enhances the generation of T-cell lineage derived from human embryonic stem cells in vitro.

Thymopentin is a group of biologically active peptide secreted mainly by the epithelial cells of thymic cortex and medulla. Whether it promotes T cells production from human embryonic stem cells(hESCs) in vitro remains an elusive issue. In the present study, we develop a novel strategy that enhances T-cell lineage differentiation of hESCs in collagen matrix culture by sequential cytokine cocktails treatment combined with thymopentin stimulation.

[Immunophenotype characteristics of patients with multiple myeloma in different risk stratification].

This study assessed the immunophenotype characteristics of newly diagosised patients with multiple myeloma (MM) in different risk stratification in order to find the relationship between the immunophenotype and prognosis of MM. The expressions of CD45, CD38, CD138, CD56, CD19, CD117, CD13, CD20, CD22, CD34, Kappa, Lambda in bone marrow samples from 62 newly diagnosed MM patients were detected by using flow cytometric multiparametric direct immunofluorescence technique, CD45/SSC and CD38/SSC combination gating, then the immumophemotypic characteristics of patients in different risk stratification groups were analyzed and compared. The new risk stratification of all patients was carried out according to ISS stages (Interuational Staging System) and cytogenetic characteristics.

[Construction and in vitro study of eukaryotic expression vector carrying GITRL and IL-21 gene].

The aim of this study was to construct the eukaryotic expression vector carrying glucocorticoid-induced tumor necrosis factor receptor ligand (GITRL) and interleukin-21 (IL-21) gene for transfection into chronic myeloid leukemia (CML) dervied dendritic cell (DC), so as to provide an effective platform for exploring the function of target gene in CML. The recombinant eukaryotic expression vector was transfected to the purified DC by Liposome-mediated method, the interleukin-2 (IL-2) and Interferon-γ (IFN-γ) expression of transfected DC were analyzed by ELISA. Further, the transfected DC with purified NK were mixed and cultured to be DC-CIK, the lactate dehydrogenase release assay was performed to measure the killing activity of DC-CIK.

[Effects of different extracellular matrix on differentiation of human embryonic stem cells into hematopoietic progenitor cells].

This study was purposed to establish a new inducing system for differentiation of human embryonic stem cells into hematopoietic progenitor cells and to explore the effect of different extracellular matrices (DEM) on production of hematopoietic cells. The 3 kinds of extracellular matrices-matrigel, fibronectin and IV type collagen (collagen IV) were chosen to package cultured plates, the direct adherent culture on extracellular matrix was used, and the hematopoietic growth factors were added into cultured plates to induce the differentiation of human embryonic stem cells into hematopoietic progenitor cells. The hematopoietic colony forming unit assay was used to determine the yielded colony forming cells, the flow cytometry and real-time quantitative PCR were used to detect the expression of markers specific to hematopoiesis and the effect of 3 extracellular matrices on production of hematopoietic progenitor cells was compared.