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This article reported a case of a patient with schizophrenia who experienced self-perceived fever and discomfort after taking atypical antipsychotic drugs with strong alpha 1 receptor antagonism, which included olanzapine, risperidone, paliperidone and clozapine. Such phenomenon was believed to be a medication side effect. Therefore, the patient switched to aripiprazole and the fever disappeared. This case report is intended to remind psychiatrists to pay attention to the side effects caused by atypical antipsychotic drugs with strong alpha 1 receptor antagonism as well as to suggest that various factors should be considered, including mechanisms of drug action, patient pathophysiology and individual differences, in order to improve treatment compliance and prognosis.
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PURPOSE: We aimed to analyze the optimal timing of enteral nutrition (EN) in the treatment of sepsis and its effect on sepsis-associated acute kidney injury (SA-AKI.). MATERIALS AND METHODS: The MIMIC-III database was employed to identify patients with sepsis who had received EN. With AKI as the primary outcome variable, receiver operating characteristic (ROC) curves were utilized to calculate the optimal cut-off time of early EN (EEN). Propensity score matching (PSM) was employed to control confounding effects. Logistic regressions and propensity score-based inverse probability of treatment weighting were utilized to assess the robustness of our findings. Comparisons within the EEN group were performed. RESULTS: 2364 patients were included in our study. With 53 hours after intensive care units (ICU) admission as the cut-off time of EEN according to the ROC curve, 1212 patients were assigned to the EEN group and the other 1152 to the delayed EN group. The risk of SA-AKI was reduced in the EEN group (odds ratio 0.319, 95% confidence interval 0.245-0.413, p<0.001). The EEN patients received fewer volumes (mL) of intravenous fluid (IVF) during their ICU stay (3750 mL vs. 5513.23 mL, p<0.001). The mediating effect of IVF was significant (p<0.001 for the average causal mediation effect). No significant differences were found within the EEN group (0-48 hours vs. 48-53 hours), except that patients initiating EN within 48 hours spent fewer days in ICU and hospital. CONCLUSION: EEN is associated with decreased risk of SA-AKI, and this beneficial effect may be proportionally mediated by IVF volume.
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Acute Kidney Injury , Sepsis , Humans , Cohort Studies , Enteral Nutrition/adverse effects , Propensity Score , Intensive Care Units , Sepsis/complications , Acute Kidney Injury/therapy , Retrospective StudiesABSTRACT
Purpose@#We aimed to analyze the optimal timing of enteral nutrition (EN) in the treatment of sepsis and its effect on sepsis-associated acute kidney injury (SA-AKI.) Materials and Methods: The MIMIC-III database was employed to identify patients with sepsis who had received EN. With AKI as the primary outcome variable, receiver operating characteristic (ROC) curves were utilized to calculate the optimal cut-off time of early EN (EEN). Propensity score matching (PSM) was employed to control confounding effects. Logistic regressions and propensity score-based inverse probability of treatment weighting were utilized to assess the robustness of our findings. Comparisons within the EEN group were performed. @*Results@#2364 patients were included in our study. With 53 hours after intensive care units (ICU) admission as the cut-off time of EEN according to the ROC curve, 1212 patients were assigned to the EEN group and the other 1152 to the delayed EN group. The risk of SA-AKI was reduced in the EEN group (odds ratio 0.319, 95% confidence interval 0.245–0.413, p<0.001). The EEN patients received fewer volumes (mL) of intravenous fluid (IVF) during their ICU stay (3750 mL vs. 5513.23 mL, p<0.001). The mediating effect of IVF was significant (p<0.001 for the average causal mediation effect). No significant differences were found within the EEN group (0–48 hours vs. 48–53 hours), except that patients initiating EN within 48 hours spent fewer days in ICU and hospital. @*Conclusion@#EEN is associated with decreased risk of SA-AKI, and this beneficial effect may be proportionally mediated by IVF volume.
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Bioinformatic analysis of large and complex omics datasets has become increasingly useful in modern day biology by providing a great depth of information,with its application to neuroscience termed neuroinformatics.Data mining of omics datasets has enabled the generation of new hypotheses based on differentially regulated biological molecules associated with disease mechanisms,which can be tested experimentally for improved diagnostic and therapeutic targeting of neurodegenerative diseases.Importantly,integrating multi-omics data using a systems bioinformatics approach will advance the understanding of the layered and interactive network of biological regulation that exchanges systemic knowledge to facilitate the development of a comprehensive human brain profile.In this review,we first summarize data mining studies utilizing datasets from the individual type of omics analysis,including epigenetics/epigenomics,transcriptomics,proteomics,metabolomics,lipidomics,and spatial omics,pertaining to Alzheimer's disease,Parkinson's disease,and multiple sclerosis.We then discuss multi-omics integration approaches,including independent biological integration and unsupervised integra-tion methods,for more intuitive and informative interpretation of the biological data obtained across different omics layers.We further assess studies that integrate multi-omics in data mining which provide convoluted biological insights and offer proof-of-concept proposition towards systems bioinformatics in the reconstruction of brain networks.Finally,we recommend a combination of high dimensional bio-informatics analysis with experimental validation to achieve translational neuroscience applications including biomarker discovery,therapeutic development,and elucidation of disease mechanisms.We conclude by providing future perspectives and opportunities in applying integrative multi-omics and systems bioinformatics to achieve precision phenotyping of neurodegenerative diseases and towards personalized medicine.
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Objective: To investigate the clinicopathological features, diagnosis and differential diagnosis of pediatric myofibroma/myofibromatosis of the soft tissue and bone. Methods: All cases of pediatric myofibroma/myofibromatosis of the soft tissue and bone diagnosed between January 2011 and December 2018 were retrieved from the surgical pathology records in the Department of Pathology, Beijing Jishuitan Hospital, Beijing, China. Clinical and radiological data were collected. H&E and immunohistochemistry were used to examine histological and immunophenotypic features and to make the diagnosis and differential diagnosis. The relevant literature was also reviewed. Results: Twenty-eight cases of pediatric myofibroma/myofibromatosis of the soft tissue and bone were respectively collected. The patients' ages ranged from 2 months to 14 years, with a mean age of 7 years. There were 7 females and 21 males. There were 12 cases located in soft tissue, including the finger (n=9), upper arm (n=1) and foot (n=2). There were 14 cases located in the bone of limb, including the femur (n=8), tibia (n=4), clavicle (n=2), fibula (n=2) and radius (n=1). There were 2 cases of myofibromatosis involving multiple bones. Radiology showed lytic lesions in the bone. The proliferation of spindle-shaped myofibroblasts arranged in fascicles with indistinct eosinophilic cytoplasm and bland nuclei, with no pleomorphism and cytological atypia. The characteristic histologic structure was the biphasic nodular growth pattern with cellular and paucicellular regions. The tumors might arrange in a hemangiopericytoma-like pattern. The stroma varied between dense fibrosis and myxoid changes. The reactive new bone formation and inflammatory cell infiltration also existed. Immunohistochemical study showed that the SMA was positive. The surgical resections were performed. One of the patients had tumor recurrence as a result of 11-month follow-up. Conclusions: The pediatric myofibroma/myofibromatosis of the soft tissue and bone is a very rare benign tumor and has a good prognosis. It has a characteristic morphology and its differential diagnosis from other spindle cell tumors could be made with the immunohistochemical analysis.
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Child , Female , Humans , Infant , Male , Child, Preschool , Adolescent , Bone and Bones/pathology , Diagnosis, Differential , Leiomyoma , Myofibroma/diagnosis , Myofibromatosis/diagnosisABSTRACT
Aim To investigate the potential protein post-translational modifications of psychedelic-induced Head-twith response and underling mechanism. Methods Psychedelics LSD, DOM, or Psilocin was administered to rats by intraperitoneal injection to induce head-twitch response, then the most effective dosage was identified to create animal models of head-twitch behavior. Western blot was performed in detecting the protein phosphorylation, acetylation, and ubiquitination in prefrontal cortex of SD rats after 10 min or 30 min injection. Results LSD (0.025 mg • kg~, i. p.), DOM (3 mg•kg
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The serotonin 2A receptor(5-HT
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Ketamine has been used clinically as an analgesic and anesthetic since 1970. Recently, it has been concerned due to its rapid and effective antidepressant effect. However, the psychiatric adverse reactions caused by ketamine such as addiction and hallucination limit its clinical application, yet the mechanism of the adverse reactions is still unclear. At present, it is generally believed that the pharmacological effects of ketamine are mainly mediated by N-methyl-D-aspartate acid (NMDA) receptors, but increasing numbers of research evidences suggest that the opioid receptor also play an important role in the pharmacological effects of ketamine. This review, based on the relevant literature published publicly in the past 20 years, summarizes the mechanisms of opioid receptors in the pharmacological effects of ketamine, such as anesthesia, analgesia, anti-depressant, anti-addiction and addiction, providing reference for revealing the mechanism of ketamine, and making beneficial exploration for solving the clinical side effects of ketamine.
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Over the past few years, the human virome and its complex interactions with microbial communities and the immune system have gained recognition as a crucial factor in human health. Individuals with compromised immune function encounter distinctive challenges due to their heightened vulnerability to a diverse range of infectious diseases. This review aims to comprehensively explore and analyze the growing evidence regarding the role of the virome in immunocompromised disease status. By surveying the latest literature, we present a detailed overview of virome alterations observed in various immunodeficiency conditions. We then delve into the influence and mechanisms of these virome changes on the pathogenesis of specific diseases in immunocompromised individuals. Furthermore, this review explores the clinical relevance of virome studies in the context of immunodeficiency, highlighting the potential diagnostic and therapeutic gains from a better understanding of virome contributions to disease manifestations.
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Humans , Viruses , Virome , Microbiota , Immunologic Deficiency SyndromesABSTRACT
Although antiretroviral therapy (ART) can reduce the viral load in the plasma to undetectable levels in human immunodeficiency virus (HIV)-infected individuals, ART alone cannot completely eliminate HIV due to its integration into the host cell genome to form viral reservoirs. To achieve a functional cure for HIV infection, numerous preclinical and clinical studies are underway to develop innovative immunotherapies to eliminate HIV reservoirs in the absence of ART. Early studies have tested adoptive T-cell therapies in HIV-infected individuals, but their effectiveness was limited. In recent years, with the technological progress and great success of chimeric antigen receptor (CAR) therapy in the treatment of hematological malignancies, CAR therapy has gradually shown its advantages in the field of HIV infection. Many studies have identified a variety of HIV-specific CAR structures and types of cytolytic effector cells. Therefore, CAR therapy may be beneficial for enhancing HIV immunity, achieving HIV control, and eliminating HIV reservoirs, gradually becoming a promising strategy for achieving a functional HIV cure. In this review, we provide an overview of the design of anti-HIV CAR proteins, the cell types of anti-HIV CAR (including CAR T cells, CAR natural killer cells, and CAR-encoding hematopoietic stem/progenitor cells), the clinical application of CAR therapy in HIV infection, and the prospects and challenges in anti-HIV CAR therapy for maintaining viral suppression and eliminating HIV reservoirs.
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Humans , Immunotherapy, Adoptive , HIV Infections/therapy , HIV-1ABSTRACT
BACKGROUND@#T-cell immunoreceptor with immunoglobulin and immunoreceptor tyrosine-based inhibition motif domains (TIGIT), an inhibitory receptor expressed on T cells, plays a dysfunctional role in antiviral infection and antitumor activity. However, it is unknown whether TIGIT expression on T cells influences the immunological effects of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) inactivated vaccines.@*METHODS@#Forty-five people living with HIV (PLWH) on antiretroviral therapy (ART) for more than two years and 31 healthy controls (HCs), all received a third dose of a SARS-CoV-2 inactivated vaccine, were enrolled in this study. The amounts, activation, proportion of cell subsets, and magnitude of the SARS-CoV-2-specific immune response of TIGIT + CD4 + and TIGIT + CD8 + T cells were investigated before the third dose but 6 months after the second vaccine dose (0W), 4 weeks (4W) and 12 weeks (12W) after the third dose.@*RESULTS@#Compared to that in HCs, the frequency of TIGIT + CD8 + T cells in the peripheral blood of PLWH increased at 12W after the third dose of the inactivated vaccine, and the immune activation of TIGIT + CD8 + T cells also increased. A decrease in the ratio of both T naïve (T N ) and central memory (T CM ) cells among TIGIT + CD8 + T cells and an increase in the ratio of the effector memory (T EM ) subpopulation were observed at 12W in PLWH. Interestingly, particularly at 12W, a higher proportion of TIGIT + CD8 + T cells expressing CD137 and CD69 simultaneously was observed in HCs than in PLWH based on the activation-induced marker assay. Compared with 0W, SARS-CoV-2-specific TIGIT + CD8 + T-cell responses in PLWH were not enhanced at 12W but were enhanced in HCs. Additionally, at all time points, the SARS-CoV-2-specific responses of TIGIT + CD8 + T cells in PLWH were significantly weaker than those of TIGIT - CD8 + T cells. However, in HCs, the difference in the SARS-CoV-2-specific responses induced between TIGIT + CD8 + T cells and TIGIT - CD8 + T cells was insignificant at 4W and 12W, except at 0W.@*CONCLUSIONS@#TIGIT expression on CD8 + T cells may hinder the T-cell immune response to a booster dose of an inactivated SARS-CoV-2 vaccine, suggesting weakened resistance to SARS-CoV-2 infection, especially in PLWH. Furthermore, TIGIT may be used as a potential target to increase the production of SARS-CoV-2-specific CD8 + T cells, thereby enhancing the effectiveness of vaccination.
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Humans , Antibodies, Viral , CD8-Positive T-Lymphocytes , COVID-19/complications , COVID-19 Vaccines/immunology , HIV Infections/complications , Receptors, Immunologic , SARS-CoV-2ABSTRACT
BACKGROUND@#Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) vaccine can induce a potent cellular and humoral immune response to protect against SARS-CoV-2 infection. However, it was unknown whether SARS-CoV-2 vaccination can induce effective natural killer (NK) cell response in people living with human immunodeficiency virus (PLWH) and healthy individuals.@*METHODS@#Forty-seven PLWH and thirty healthy controls (HCs) inoculated with SARS-CoV-2 inactivated vaccine were enrolled from Beijing Youan Hospital in this study. The effect of SARS-CoV-2 vaccine on NK cell frequency, phenotype, and function in PLWH and HCs was evaluated by flow cytometry, and the response of NK cells to SARS-CoV-2 Omicron Spike (SARS-2-OS) protein stimulation was also evaluated.@*RESULTS@#SARS-CoV-2 vaccine inoculation elicited activation and degranulation of NK cells in PLWH, which peaked at 2 weeks and then decreased to a minimum at 12 weeks after the third dose of vaccine. However, in vitro stimulation of the corresponding peripheral blood monocular cells from PLWH with SARS-2-OS protein did not upregulate the expression of the aforementioned markers. Additionally, the frequencies of NK cells expressing the activation markers CD25 and CD69 in PLWH were significantly lower than those in HCs at 0, 4 and 12 weeks, but the percentage of CD16 + NK cells in PLWH was significantly higher than that in HCs at 2, 4 and 12 weeks after the third dose of vaccine. Interestingly, the frequency of CD16 + NK cells was significantly negatively correlated with the proportion of CD107a + NK cells in PLWH at each time point after the third dose. Similarly, this phenomenon was also observed in HCs at 0, 2, and 4 weeks after the third dose. Finally, regardless of whether NK cells were stimulated with SARS-2-OS or not, we did not observe any differences in the expression of NK cell degranulation markers between PLWH and HCs.@*CONCLUSION@#s:SARS-CoV-2 vaccine elicited activation and degranulation of NK cells, indicating that the inoculation of SARS-CoV-2 vaccine enhances NK cell immune response.
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Humans , COVID-19 Vaccines/therapeutic use , COVID-19 , SARS-CoV-2 , Killer Cells, Natural , HIV Infections , Antibodies, ViralABSTRACT
Objective:To investigate the effect of different P2Y12 inhibitors on the long-term prognosis of patients with diabetes mellitus (DM) and acute coronary syndrome (ACS), with or without the CYP2C19 loss-of-function (LOF) gene. Method:266 consecutive ACS patients undergoing percutaneous coronary intervention (PCI) were enrolled. According to the CYP2C19 LOF genotype, the patients were divided into rapid metabolizing-type (without the CYP2C19 LOF gene) and moderate-slow metabolizing type (with the CYP2C19 LOF gene). Each type was divided into the A group (with diabetes) and the B group (without diabetes). Each group was divided into the ticagrelor subgroup and the clopidogrel subgroup according to the type of P2Y12 platelet inhibitor. The MACE events were recorded for each subgroup over 3 years, and the prognostic impact of the CYP2C19 LOF genotype and the type of P2Y12 used were analyzed. Results:There were no significant differences in MACE, revascularization, stroke, heart failure rehospitalization, major bleeding, or all-cause mortality among subgroups of patients with rapid metabolizing type at 3 years after PCI (all P>0.05). In patients with moderate-slow metabolizing-type, the use of tegretol significantly reduced the probability of MACE events and cardiac revascularization (all P<0.01) and significantly reduced the reoccurrence of heart attack in patients with DM. Conclusions:In DM combined with ACS patients with rapid metabolizing type, the choice of different P2Y12 inhibitors after PCI had no significant effect on their prognosis. In DM combined with ACS patients with moderate-slow metabolizing type, tegretol not only significantly reduced the incidence of MACE, revascularization, and reinfarction, but also did not increase the risk of major bleeding. In terms of reducing the reoccurrence of heart attack, the benefit of using tegretol in the DM patients was greater than in the non-DM patients.
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Objective:To explore the efficacy of a flat ground exoskeleton robot in improving the walking ability of stroke survivors.Methods:Fifty-eight stroke survivors with mobility difficulties were randomly divided into a robot group ( n=29) and a control group ( n=29). In addition to routine rehabilitation, the control group received conventional walking training, while the robot group underwent exoskeleton robot-assisted gait training. The 30-minute training sessions were held twice a day, 5 days per week for 5 weeks. Before as well as after 2 and 4 weeks of treatment, everyone′s walking ability was tested using the 6-minute walk test (6MWT) and functional ambulation scale (FAC). General lower limb motor function was quantified using the Fugl-Meyer Lower Extremity assessment (FMA-LE). Moreover, gait analysis was conducted before and after 4 weeks of treatment. Results:After 2 and 4 weeks of treatment, the average 6MWT times of both groups were significantly better than before the treatment, with the improvement of the robot group significantly greater than that of the control group after 2 weeks. After 2 and 4 weeks the average FMA-LE and FAC scores of both groups had improved significantly compared with before treatment. After 4 weeks the stride frequency and gait cycle of both groups had improved significantly.Conclusions:Exoskeleton robot-assisted gait training can improve walking ability and lower limb motor function of stroke survivors about as well as conventional walking training.
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Objective:To explore the feasibility and advantages and disadvantages of local anesthesia for TiRobot-assisted removal of sacroiliac screws by comparison with general anesthesia for TiRobot-assisted removal of sacroiliac screws.Methods:A retrospective study was performed in 39 patients with posterior pelvic ring fracture-dislocation who had undergone removal of percutaneous sacroiliac screws after fracture union from January 2017 to December 2020 at Department of Orthopaedic Surgery, Hospital Affiliated to Chengdu University. Their sacroiliac screws were removed with TiRobot assistance under local anesthesia (LA group) or general anesthesia (GA group). In the LA group of 18 cases, there were 10 males and 8 females, aged (43.3 ± 8.4) years (from 25 to 58 years); in the GA group of 21 cases, there were 12 males and 9 females, aged (44.9 ± 9.0) years (from 23 to 60 years). The 2 groups were compared in terms of time for planning screw removal path, fluoroscopy frequency, fluoroscopy time, operation time, anesthesia time, anesthesia cost, postoperative visual analogue scale (VAS) and postoperative ambulation time.Results:There was no statistically significant difference in baseline data between the 2 groups, showing comparability ( P>0.05). Follow-ups revealed grade A wound healing in all patients. There were no significant differences between the 2 groups in time for planning screw removal path, fluoroscopy frequency, fluoroscopy time or operation time ( P>0.05). The anesthesia time [(41.6 ± 8.3) min], anesthesia cost [(653.5 ± 102.6) yuan] and postoperative ambulation time [(2.6 ± 0.6) h] in the LA group were significantly less than those in the GA group [(52.3 ± 9.5) min, (2,475.6 ± 261.8) yuan and (8.7 ± 2.4) h] while the VAS score in the former group (3.8 ± 1.5) was significantly higher than that in the latter group (2.5 ± 1.3) (all P<0.05). Conclusions:It is feasible to use local anesthesia for TiRobot-assisted removal of sacroiliac screws. In TiRobot-assisted removal of sacroiliac screws, compared with general anesthesia, local anesthesia may lead to shorter anesthesia time, lower anesthesia cast and shorter ambulation time, but the patients need to be compliant enough.
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Classic serotonergic hallucinogens(also known as psychedelics)are powerful psychoactive substances that can induce profound alterations of human consciousness,emotion,and cognition. It is generally believed that the main target of psychedelics for their hallucinogenic effect is 5-hydroxytryptamine 2A receptor(5-HT
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New SARS-CoV-2 variants continue to emerge from the current global pandemic, some of which can replicate faster and with greater transmissibility and pathogenicity. In particular, UK501Y.V1 identified in UK, SA501Y.V2 in South Africa, and BR501Y.V3 in Brazil are raising serious concerns as they spread quickly and contain spike protein mutations that may facilitate escape from current antibody therapies and vaccine protection. Here, we constructed a panel of 28 SARS-CoV-2 pseudoviruses bearing single or combined mutations found in the spike protein of these three variants, as well as additional nine mutations that within or close by the major antigenic sites in the spike protein identified in the GISAID database. These pseudoviruses were tested against a panel of monoclonal antibodies (mAbs), including some approved for emergency use to treat SARS-CoV-2 infection, and convalescent patient plasma collected early in the pandemic. SA501Y.V2 pseudovirus was the most resistant, in magnitude and breadth, against mAbs and convalescent plasma, followed by BR501Y.V3, and then UK501Y.V1. This resistance hierarchy corresponds with Y144del and 242-244del mutations in the N-terminal domain as well as K417N/T, E484K and N501Y mutations in the receptor binding domain (RBD). Crystal structural analysis of RBD carrying triple K417N-E484K-N501Y mutations found in SA501Y.V2 bound with mAb P2C-1F11 revealed a molecular basis for antibody neutralization and escape. SA501Y.V2 and BR501Y.V3 also acquired substantial ability to use mouse and mink ACE2 for entry. Taken together, our results clearly demonstrate major antigenic shifts and potentially broadening the host range of SA501Y.V2 and BR501Y.V3, which pose serious challenges to our current antibody therapies and vaccine protection.
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Background@#Type 2 diabetes mellitus (T2DM) is characterized by elevated fasting glucagon and impaired suppression of postprandial glucagon secretion, which may participate in diabetic complications. Therefore, we investigated the associations of plasma glucagon with estimated glomerular filtration rate (eGFR), albuminuria and diabetic kidney disease (DKD) in T2DM patients. @*Methods@#Fasting glucagon and postchallenge glucagon (assessed by area under the glucagon curve [AUCgla]) levels were determined during oral glucose tolerance tests. Patients with an eGFR <60 mL/min/1.73 m2 and/or a urinary albumin-to-creatinine ratio (UACR) ≥30 mg/g who presented with diabetic retinopathy were identified as having DKD. @*Results@#Of the 2,436 recruited patients, fasting glucagon was correlated with eGFR and UACR (r=–0.112 and r=0.157, respectively; P<0.001), and AUCgla was also correlated with eGFR and UACR (r=–0.267 and r=0.234, respectively; P<0.001). Moreover, 31.7% (n=771) presented with DKD; the prevalence of DKD was 27.3%, 27.6%, 32.5%, and 39.2% in the first (Q1), second (Q2), third (Q3), and fourth quartile (Q4) of fasting glucagon, respectively; and the corresponding prevalence for AUCgla was 25.9%, 22.7%, 33.7%, and 44.4%, respectively. Furthermore, after adjusting for other clinical covariates, the adjusted odds ratios (ORs; 95% confidence intervals) for DKD in Q2, Q3, and Q4 versus Q1 of fasting glucagon were 0.946 (0.697 to 1.284), 1.209 (0.895 to 1.634), and 1.521 (1.129 to 2.049), respectively; the corresponding ORs of AUCgla were 0.825 (0.611 to 1.114), 1.323 (0.989 to 1.769), and 2.066 (1.546 to 2.760), respectively. Additionally, when we restricted our analysis in patients with glycosylated hemoglobin <7.0% (n=471), we found fasting glucagon and AUCgla were still independently associated with DKD. @*Conclusion@#Both increased fasting and postchallenge glucagon levels were independently associated with DKD in T2DM patients.
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A massive depletion of CD4+ T lymphocytes has been described in early and acute human immunodeficiency virus (HIV) infection, leading to an imbalance between the human microbiome and immune responses. In recent years, a growing interest in the alterations in gut microbiota in HIV infection has led to many studies; however, only few studies have been conducted to explore the importance of oral microbiome in HIV-infected individuals. Evidence has indicated the dysbiosis of oral microbiota in people living with HIV (PLWH). Potential mechanisms might be related to the immunodeficiency in the oral cavity of HIV-infected individuals, including changes in secretory components such as reduced levels of enzymes and proteins in saliva and altered cellular components involved in the reduction and dysfunction of innate and adaptive immune cells. As a result, disrupted oral immunity in HIV-infected individuals leads to an imbalance between the oral microbiome and local immune responses, which may contribute to the development of HIV-related diseases and HIV-associated non-acquired immunodeficiency syndrome comorbidities. Although the introduction of antiretroviral therapy (ART) has led to a significant decrease in occurrence of the opportunistic oral infections in HIV-infected individuals, the dysbiosis in oral microbiome persists. Furthermore, several studies with the aim to investigate the ability of probiotics to regulate the dysbiosis of oral microbiota in HIV-infected individuals are ongoing. However, the effects of ART and probiotics on oral microbiome in HIV-infected individuals remain unclear. In this article, we review the composition of the oral microbiome in healthy and HIV-infected individuals and the possible effect of oral microbiome on HIV-associated oral diseases. We also discuss how ART and probiotics influence the oral microbiome in HIV infection. We believe that a deeper understanding of composition and function of the oral microbiome is critical for the development of effective preventive and therapeutic strategies for HIV infection.
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Humans , Dysbiosis , Gastrointestinal Microbiome , HIV Infections/drug therapy , Microbiota , MouthABSTRACT
Understanding the roles and regional differences associated with cleaner production (CP) and end-of-pipe treatment (ET) can provide valuable information for the reduction of pollutant emissions. Considering the differences of these impact pathways, this paper proposes a two-stage decomposition method for investigating the contributions of CP and ET to the reduction of pollutant emissions. This two-stage method enhances the accuracy and obtainable detail of the decomposition results. Then, empirical research was conducted by decomposing the changes of China's industrial sulfur dioxide (SO2) emissions during 2005-2015. At the national level, CP and ET both decreased Chinese SO2 emissions, and CP has become the dominant approach for SO2 emission reduction in 2010-2015. Moreover, coal pollution intensity and treatment strength are key factors that need to be improved in CP and ET, respectively. At the provincial level, CP exerts a stronger impact on SO2 emission differences among different regions, while ET exerts less impact on SO2 emission differences among different regions. Based on the decomposition results, this paper presents targeted policy implications.