Differences in people living with HIV (PLWH) population aged over 50 years old receiving antiretroviral therapy (ART).

To explore differences among the elderly people (aged over 50 years old) living with HIV (PLWH) who are receiving antiretroviral therapy (ART), we collected and analyzed data using cross-sectional research methods. Among 520 elderly PLWH on ART, those over 60 years old, compared to those aged 50-60, had lower levels of education, more retirees in occupation distribution, a lower rate of active consultation, a higher proportion of heterosexual transmission, and more complications. Additionally, this study demonstrated a greater incidence of severe disease symptoms and a higher rate of ART failure.

Similar outcomes between HLA-haploid and matched sibling donor hematopoietic stem cell transplantation: a multicenter, retrospective study and severe aplastic anemia transplant-specific prognostic scoring system.

In recent years, great progress has been made in haploidentical hematopoietic stem cell transplantation (haplo-HSCT) treatment for hematological malignant diseases because of the advent of novel conditioning regimens, optimized graft manipulation, improved graft-versus-host disease (GVHD) prophylaxis, and advances in supportive care. Recent studies have shown very favorable outcomes in severe aplastic anemia (SAA) patients, with comparable outcomes to those of patients receiving immune suppressive therapy (IST) and allogeneic HSCT from a matched sibling donor (MSD) or matched unrelated donor (MUD). However, most of the previous studies relied on single-center data analyses, and the conditioning regimen, GVHD prophylaxis and supportive care used were relatively singular.

Molecular Characterization of Organosulfur and Organonitrogen Compounds in Summer and Winter PM via UHPLC-Q-Orbitrap MS/MS.

Organosulfur and organonitrogen compounds (OrgSs and OrgNs) notably influence haze formation, reflecting the intricacies of sulfur and nitrogen chemistry in the atmospheric process. Despite this, a comprehensive understanding of OrgSs and OrgNs remains elusive. Here, we conducted molecular analyses of OrgSs and OrgNs in PM concurrently during three haze episodes in winter and summer from 2016 to 2019.

[Biosynthesis of fat-soluble vitamins].

Vitamins are the essential organic substances to ensure the normal life activities of the human body. At present, vitamins are widely used in the pharmaceutical, food, animal farming, beauty and other industries, appearing in increasing application scenarios. Accordingly, the global demand for vitamins has also increased greatly.

Efficiency and Toxicity of Imatinib Mesylate Combined with Atorvastatin Calcium in the Treatment of Steroid-Refractory Chronic Graft-versus-Host Disease: A Single-Center, Prospective, Single-Arm, Open-Label Study.

Introduction: Steroid-refractory cGVHD (SR-cGVHD) presents new great challenges for treatment. We have reported that imatinib monotherapy was effective to SR-cGVHD, but the CR rate was not satisfactory and the benefit was not showed specific to some target organs, previously. Imatinib and statin drugs have been recognized to regulate T-cell function, statins also have been demonstrated endothelia protection, but whether this combination therapy was able to improve the efficacy remains unknown.

[Research progress in pharmacological effectsand mechanism of Fel Ursi against cardiovascular and cerebrovascular diseases].

Fel Ursi is a dried product obtained from the gallbladder of Ursidae animals, such as Selenarctos thibetanus or Ursus arctos, through gallbladder surgery for bile drainage. It is one of the rare animal medicinal materials in China and is known for its therapeutic effects, including clearing heat, removing toxins, extinguishing wind, relieving spasms, clearing the liver, and improving vision. Research has also found that Fel Ursi has pharmacological effects against cardiovascular and cerebrovascular diseases, such as anti-inflammatory, anti-apoptotic, and antioxidant stress properties.

Thrombopoietin receptor agonists for refractory thrombocytopenia in patients after autologous hematopoietic stem cell transplantation.

Objective: Autologous hematopoietic stem cell (ASC) transplantation (ASCT) is an effective treatment method for patients with hematological disorders and malignant diseases. The patient's ASCs are harvested prior to radiotherapy/chemotherapy, cryopreserved and then transfused back after the high-dose radiotherapy/chemotherapy conditioning treatment. Since some patients develop thrombocytopenia after receiving ASCT, it is difficult for them to bear simultaneously the management of their original disease and thrombocytopenia.

Laser capture microdissection for biomedical research: towards high-throughput, multi-omics, and single-cell resolution.

Spatial omics technologies have become powerful methods to provide valuable insights into cells and tissues within a complex context, significantly enhancing our understanding of the intricate and multifaceted biological system. With an increasing focus on spatial heterogeneity, there is a growing need for unbiased, spatially resolved omics technologies. Laser capture microdissection (LCM) is a cutting-edge method for acquiring spatial information that can quickly collect regions of interest (ROIs) from heterogeneous tissues, with resolutions ranging from single cells to cell populations.

Reverse effect of Semaphorin-3F on rituximab resistance in diffuse large B-cell lymphoma via the Hippo pathway.

Background: Exploring the underlying mechanism of rituximab resistance is critical to improve the outcomes of patients with diffuse large B-cell lymphoma (DLBCL). Here, we tried to identify the effects of the axon guidance factor semaphorin-3F (SEMA3F) on rituximab resistance as well as its therapeutic value in DLBCL.

Methods: The effects of SEMA3F on the treatment response to rituximab were investigated by gain- or loss-of-function experiments.

Outcomes of patients with hematological malignancies who undergo unrelated donor hematopoietic stem cell transplantation with ATG-Fresenius versus ATG-Genzyme.

To compare the outcomes of patients with hematological malignancies who received ATG-Fresenius (ATG-F) 20 mg/kg versus those who received ATG-Genzyme (ATG-G) 10 mg/kg in an unrelated donor hematopoietic stem cell transplantation (HSCT) procedure, a total of 186 patients who underwent their first allogeneic HSCT with an unrelated donor were retrospectively analyzed. One hundred and seven patients received ATG-F, and seventy-nine patients received ATG-G. Multivariate analysis showed that the type of ATG preparation had no effect on neutrophil engraftment (P = 0.

The Novel Prognostic Index Model of Combining Circulating Tumor DNA and PINK-E Predicts the Clinical Outcomes for Newly Diagnosed Extranodal NK/T-cell Lymphoma.

Extranodal NK/T-cell lymphoma (ENKTL) is a highly aggressive and heterogeneous disease with poor clinical outcome. Our previous work had demonstrated that circulating tumor DNA (ctDNA) analyses were feasible in ENKTL, and dynamic tracing of ctDNA could be used to monitor the disease status. However, the prognostic value of ctDNA in ENKTL has not been fully investigated.

Distinct diurnal chemical compositions and formation processes of individual organic-containing particles in Beijing winter.

Organic aerosols (OA) are major components of fine particulate matter, yet their formation mechanism remains unclear, especially in polluted environments. In this study, we investigated the diurnal chemical compositions and formation processes of OA in carbonaceous particles during winter in Beijing using aerosol time-of-flight mass spectrometry. We found that 84.

Analysis of the Efficacy and Safety of Avatrombopag Combined With MSCs for the Treatment of Thrombocytopenia After Allogeneic Hematopoietic Stem Cell Transplantation.

Platelet graft failure (PGF) is a frequent and serious complication after Allogeneic hematopoietic stem cell transplantation (allo-HSCT) and lacks effective treatment strategies, which could affect the prognosis of patients and even cause death. The exact underlying mechanism of PGF remains unclear, and lacks standard treatment. Here, we conduct a retrospective study to evaluate the efficacy and safety of avatrombopag combined with mesenchymal stem cells (MSCs) in 16 patients with thrombocytopenia after allo-HSCT.

Unbalanced emission reductions and adverse meteorological conditions facilitate the formation of secondary pollutants during the COVID-19 lockdown in Beijing.

During the coronavirus disease 2019 (COVID-19) lockdown in 2020, severe haze pollution occurred in the North China Plain despite the significant reduction in anthropogenic emissions, providing a natural experiment to explore the response of haze pollution to the reduction of human activities. Here, we study the characteristics and causes of haze pollution during the COVID-19 outbreak based on comprehensive field measurements in Beijing during January and February 2020. After excluding the Spring Festival period affected by fireworks activities, we found the ozone concentrations and the proportion of sulfate and nitrate in PM increased during the COVID-19 lockdown compared with the period before the lockdown, and sulfate played a more important role.

Predictive value of the ratio of venoarterial PCO2 to arteriovenous O2 content difference for organ injury in patients with severe acute pancreatitis.

Background: Severe acute pancreatitis (SAP) is a common but severe disease with high mortality. Organ injury is the primary risk factor for death in SAP patients. The purpose of this study was to explore the predictive value of the ratio of venoarterial PCO2 to arteriovenous O2 content difference [P(cv-a)CO2/C(a-cv)O2] for organ injury in patients with SAP to provide evidence for further clinical intervention.

[Phenotypic and genotypic analysis of a pedigree affected with hereditary protein C deficiency].

Objective: To analyze the phenotype and genetic variant in a pedigree affected with inherited protein C (PC) deficiency.

Methods: The proband and her family members (7 individuals from 3 generations) were tested for plasma protein C activity (PC:A), protein C antigen (PC:Ag) content and other coagulation indicators. All of the 9 exons and flanking sequences of the proband's PROC gene were amplified by PCR and sequenced.

Serum Inflammatory Factor Profiles in the Pathogenesis of High-Altitude Polycythemia and Mechanisms of Acclimation to High Altitudes.

High-altitude polycythemia (HAPC) is a common aspect of chronic mountain sickness (CMS) caused by hypoxia and is the main cause of other symptoms associated with CMS. However, its pathogenesis and the mechanisms of high-altitude acclimation have not been fully elucidated. Exposure to high altitude is associated with elevated inflammatory mediators.

Surface-enhanced Raman scattering for mixing state characterization of individual fine particles during a haze episode in Beijing, China.

The nondestructive characterization of the mixing state of individual fine particles using the traditional single particle analysis technique remains a challenge. In this study, fine particles were collected during haze events under different pollution levels from September 5 to 11 2017 in Beijing, China. A nondestructive surface-enhanced Raman scattering (SERS) technique was employed to investigate the morphology, chemical composition, and mixing state of the multiple components in the individual fine particles.

Plasmacytoid Dendritic Cell Infiltration in Acute Myeloid Leukemia.

Introduction: Increasing evidence has demonstrated that plasmacytoid dendritic cells (PDCs) in the tumor microenvironment (TME) play an important role in tumorigenesis and progression. PDC infiltration has been found in certain malignancies such as classic Hodgkin's lymphoma and chronic myelomonocytic leukemia. Our previous work reported that PDC infiltration could occur in acute myeloid leukemia (AML), but the clinical significance of PDC in AML has not been thoroughly investigated.

Aqueous degradation of artificial sweeteners saccharin and neotame by metal organic framework material.

The artificial sweeteners (ASs) saccharin (SAC) and neotame (NEO) are widely used across the globe and are considered as emerging contaminants in surface, ground, and drinking waters. To degrade SAC and NEO, the metal organic framework material Co-based bio-MOF-11 was prepared by hydrothermal reaction and used with peroxymonosulfate (PMS) activator. The effects of the initial concentration of SAC and NEO, bio-MOF-11-Co dosage, PMS concentration, initial pH, temperature, and competitive anions were determined.

Effect of rhG-CSF Combined With Decitabine Prophylaxis on Relapse of Patients With High-Risk MRD-Negative AML After HSCT: An Open-Label, Multicenter, Randomized Controlled Trial.

Purpose: Relapse is a major cause of treatment failure after allogeneic hematopoietic stem-cell transplantation (allo-HSCT) for high-risk acute myeloid leukemia (HR-AML). The aim of this study was to explore the effect of recombinant human granulocyte colony-stimulating factor (rhG-CSF) combined with minimal-dose decitabine (Dec) on the prevention of HR-AML relapse after allo-HSCT.

Patients And Methods: We conducted a phase II, open-label, multicenter, randomized controlled trial.

Characteristics and seasonal variations of high-molecular-weight oligomers in urban haze aerosols.

Organic aerosols (OA) undergo sophisticated physiochemical processes in the atmosphere, playing a crucial role in extreme haze formations over the Northern China Plain. However, current understandings of the detailed composition and formation pathways are limited. In this study, high-molecular weight (HMW) species were observed in samples collected year-round in urban Beijing, especially in autumn and winter, during 2016-2017.