Oxytocin infusion dose-response to maintain uterine tone in obese elective cesarean patients: a randomized controlled trial.

Background: For cesarean delivery (CD), the 90% effective dosage (ED90) of oxytocin for a first bolus has been established. It is not yet known how much oxytocin to inject into obese women undergoing elective discectomy to keep their uterine tone (UT) appropriate. We hypothesized that patients who are overweight need a greater dose of oxytocin infusion; thus, we aimed to determine how the dose-response curve for oxytocin infusion changes following an initial 1 international unit (IU) bolus in obese women undergoing elective CD. Methods: One hundred parturients with a body mass index (BMI) greater than 30 kg/m2 were randomly assigned to receive an infusion rate of 14, 18, 22, or 26 IU/h of oxytocin. When the uterine palpation is as hard as touching the forehead or tip of the nose, it is considered sufficient UT according to the criteria used by obstetricians. The median effective dose (ED50) and ED90 values were determined using probit analysis. Results: We found the ED50 and ED90 values for the infusion dose of oxytocin were around 11.0 IU/h and 19.1 IU/h, respectively. Each group had a different number of parturients who needed rescued oxytocin: 14 IU/h for six, 18 IU/h for three, one for 22 IU/h, and none for 26 IU/h. The correlation between the frequency of rescued oxytocin administration and the amount of oxytocin infusion needed to avoid uterine atony was statistically significant (p = 0.02). Conclusion: The present research showed that the most effective dosage of oxytocin infusion for obese parturients undergoing elective CD is 19.1 IU/h, following an initial loading dose of 1 IU. Patients with obesity should receive a greater dosage of prophylactic oxytocin, and further studies comparing patients with and without obesity (with higher BMI) are required. Clinical Trial Registration: https://www.chictr.org.cn/showproj.html?proj=159951, identifier ChiCTR2200059582.

Par3L, a polarity protein, promotes M1 macrophage polarization and aggravates atherosclerosis in mice via p65 and ERK activation.

Proinflammatory M1 macrophages are critical for the progression of atherosclerosis. The Par3-like protein (Par3L) is a homolog of the Par3 family involved in cell polarity establishment. Par3L has been shown to maintain the stemness of mammary stem cells and promote the survival of colorectal cancer cells. In this study, we investigated the roles of the polar protein Par3L in M1 macrophage polarization and atherosclerosis. To induce atherosclerosis, Apoe-/- mice were fed with an atherosclerotic Western diet for 8 or 16 weeks. We showed that Par3L expression was significantly increased in human and mouse atherosclerotic plaques. In primary mouse macrophages, oxidized low-density lipoprotein (oxLDL, 50 µg/mL) time-dependently increased Par3L expression. In Apoe-/- mice, adenovirus-mediated Par3L overexpression aggravated atherosclerotic plaque formation accompanied by increased M1 macrophages in atherosclerotic plaques and bone marrow. In mouse bone marrow-derived macrophages (BMDMs) or peritoneal macrophages (PMs), we revealed that Par3L overexpression promoted LPS and IFNγ-induced M1 macrophage polarization by activating p65 and extracellular signal-regulated kinase (ERK) rather than p38 and JNK signaling. Our results uncover a previously unidentified role for the polarity protein Par3L in aggravating atherosclerosis and favoring M1 macrophage polarization, suggesting that Par3L may serve as a potential therapeutic target for atherosclerosis.

Quantitative Texture Analysis of Parotid Gland Ultrasound Images Yield Higher Correlation with Scintigraphy than Semiquantitative Scoring in Primary Sjögren's Syndrome Patients.

Background: Ultrasound (US) can detect salivary gland abnormalities in primary Sjögren's syndrome (SS). This study aimed to compare the correlation among the semiquantitative US scores, texture features, and the quantitative salivary gland scintigraphy (SGS) results. Methods: This retrospective study included 11 patients who were diagnosed with primary SS and underwent US examinations of the parotid glands and SGS simultaneously. We evaluated SGS quantitatively based on the calculation of maximum accumulation ratio (MAR) and stimulated excretion fraction (EF). The US findings were accessed through the semiquantitative Outcome Measures in Rheumatology scoring system and by gray-level co-occurrence matrix (GLCM) texture analysis. Spearman's rank correlation tests were performed. Results: A significant moderate negative correlation was noted between the semiquantitative US score and MAR (rho = -0.57, P = 0.006), but not with EF (rho = -0.11, P = 0.613). The GLCM texture metrics, including contrast, dissimilarity, and homogeneity, were all determined to be significantly associated with both MAR and EF. The GLCM contrast correlated moderately to MAR (rho = -0.66, P = 0.001). The GLCM homogeneity highly correlated to EF (rho = 0.74, P < 0.001). The contrast and homogeneity can still discriminate the changes in MAR and EF in the subgroups with the same semiquantitative US scores. Conclusion: US findings on parotid gland can correlate with SGS results when analyzed based on GLCM texture features. With the GLCM texture metrics, US appears to be an excellent imaging tool for the assessment of the parotid glands in primary SS patients.

The significance of dense fine speckled pattern in antinuclear antibody-associated rheumatic disease and coexisting autoantibodies: A propensity score-matched cohort study.

AIM: To investigate the relationship between the prevalence of antinuclear antibody (ANA) -associated rheumatic diseases (AARD) and the presence of dense fine speckled (DFS) and homogeneous patterns in ANA tests. METHODS: This retrospective study enrolled adult patients with either a DFS or homogeneous pattern in their ANA test. A mixed pattern was defined as the presence of more than one pattern reported in the test. The presence of anti-DFS70 antibodies and other common autoantibodies were detected using EUROLINE ANA Profile 23. A 1:2 propensity score matching was applied to control for demographic and other interfering factors. RESULTS: A total of 59 patients with a DFS pattern were enrolled and compared with a matched homogeneous group. The DFS group had a significantly lower prevalence of AARD (3.4% vs. 16.9%, p = .008) and the subgroup with anti-DFS70 antibodies showed an even lower prevalence (2% vs. 20%, p = .002). Among the 33 patients with monospecific anti-DFS70 antibodies, five had a mixed pattern, and all patients with common autoantibodies had an isolated DFS pattern. CONCLUSIONS: The findings of this study suggest that patients with a DFS pattern in their ANA test may have a lower prevalence of AARD compared with those with a homogeneous pattern. However, an isolated DFS pattern in ANA testing does not necessarily indicate the presence of monospecific anti-DFS70 antibodies or AARD. Confirmatory testing for the monospecific anti-DFS70 antibody is mandatory to exclude AARD.

Fibronectin leucine-rich transmembrane protein 2 drives monocyte differentiation into macrophages via the UNC5B-Akt/mTOR axis.

Upon migrating into the tissues, hematopoietic stem cell (HSC)-derived monocytes differentiate into macrophages, playing a crucial role in determining innate immune responses towards external pathogens and internal stimuli. However, the regulatory mechanisms underlying monocyte-to-macrophage differentiation remain largely unexplored. Here we divulge a previously uncharacterized but essential role for an axon guidance molecule, fibronectin leucine-rich transmembrane protein 2 (FLRT2), in monocyte-to-macrophage maturation. FLRT2 is almost undetectable in human monocytic cell lines, human peripheral blood mononuclear cells (PBMCs), and mouse primary monocytes but significantly increases in fully differentiated macrophages. Myeloid-specific deletion of FLRT2 (Flrt2ΔMyel ) contributes to decreased peritoneal monocyte-to-macrophage generation in mice in vivo, accompanied by impaired macrophage functions. Gain- and loss-of-function studies support the promoting effect of FLRT2 on THP-1 cell and human PBMC differentiation into macrophages. Mechanistically, FLRT2 directly interacts with Unc-5 netrin receptor B (UNC5B) via its extracellular domain (ECD) and activates Akt/mTOR signaling. In vivo administration of mTOR agonist MYH1485 reverses the impaired phenotypes observed in Flrt2ΔMyel mice. Together, these results identify FLRT2 as a novel pivotal endogenous regulator of monocyte differentiation into macrophages. Targeting the FLRT2/UNC5B-Akt/mTOR axis may provide potential therapeutic strategies directly relevant to human diseases associated with aberrant monocyte/macrophage differentiation.

TCF21 rs2327429 and TCF21 rs12190287 are associated with colorectal cancer in a Chinese population.

Aims: TCF21 is considered a tumor suppressor gene. This work was designed to explore the associations between TCF21 polymorphisms and colorectal cancer (CRC) susceptibility. Methods: A case-control study was designed with 421 patients with CRC and 469 non-CRC controls. Six tagging single-nucleotide polymorphisms (rs2327429 T>C, rs2327430 T>C, rs2327433 A>G, rs12190287 C>G, rs7766238 G>A and rs4896011 T>A) were genotyped by ligase detection reaction of PCR. Results: TCF21 rs2327429 and rs12190287 polymorphisms were associated with CRC susceptibility in a Chinese Han population. Conclusion: rs2327429 and rs12190287 polymorphisms may be predictive of CRC susceptibility in Chinese Han populations.

Reconnection-driven energy cascade in magnetohydrodynamic turbulence.

Magnetohydrodynamic turbulence regulates the transfer of energy from large to small scales in many astrophysical systems, including the solar atmosphere. We perform three-dimensional magnetohydrodynamic simulations with unprecedentedly large magnetic Reynolds number to reveal how rapid reconnection of magnetic field lines changes the classical paradigm of the turbulent energy cascade. By breaking elongated current sheets into chains of small magnetic flux ropes (or plasmoids), magnetic reconnection leads to a previously undiscovered range of energy cascade, where the rate of energy transfer is controlled by the growth rate of the plasmoids. As a consequence, the turbulent energy spectra steepen and attain a spectral index of -2.2 that is accompanied by changes in the anisotropy of turbulence eddies. The omnipresence of plasmoids and their consequences on, for example, solar coronal heating, can be further explored with current and future spacecraft and telescopes.

Surgical Technique and Efficacy Analysis of Extra-pseudocapsular Transnasal Transsphenoidal Surgery for Pituitary Microprolactinoma.

OBJECTIVE: To elucidate the role of transsphenoidal surgery in the treatment of pituitary microprolactinoma. METHODS: The clinical data of 107 prolactinoma cases treated by extra-pseudocapsular transnasal transsphenoidal surgery (ETTS) for different indications in our department since 2011 was retrospectively analyzed. RESULTS: The most common indication was the ineffectiveness of oral medication (41.1%), followed by the personal willingness of the patient (35.5%), and 20.6% of the patients were young women with clear tumor boundaries. The pseudocapsule was not observed in 63 cases (58.9%), incomplete pseudocapsule was observed in 26 cases (24.3%), and complete pseudocapsule in 18 cases (16.8%). A total of 97 patients (90.7%) obtained 1-year post-operation remission. According to the relative location of the adenoma and pituitary gland on the MRI scan, 46 patients were classified into a central type, 59 a lateral type, and 2 a supra-pituitary type. Two patients developed hypogonadism, one patient developed hypocortisolism, and one patient developed post-operative hypothyroidism. Two patients were administrated with hormone replacement treatment, and the treatment was stopped within one week. There was no permanent hypopituitarism. Further investigation demonstrated that the adenoma types could affect the remission rates of hyperprolactinemia and gross total resection rate in microprolactinoma. CONCLUSION: ETTS was an effective treatment for pituitary microprolactinomas. This could be the first choice for patients who presented enclosed adenoma on the MRI and were potentially curable in a preoperative evaluation. Maximal safe removal of the adenoma by ETTS with the aim to increase the sensitivity of the drugs was also recommended for patients with invasive dopamine agonist resistant prolactinomas and patients with difficulty in childbirth.

Clinical features and prognostic predictors in patients with rheumatic diseases complicated by Pneumocystis pneumonia.

OBJECTIVES: To investigate the clinical outcomes and risk factors of mortality in patients with rheumatic diseases complicated by Pneumocystis pneumonia (PCP). METHODS: Between November 2015 and April 2021, patients with rheumatic diseases with PCP in a tertiary referral hospital were retrospectively enrolled. The diagnosis of PCP requires the fulfillment of clinical, radiographic, and microbiological criteria. Factors associated with in-hospital, 30-day, and 90-day mortality were evaluated. RESULTS: A total of 128 patients with rheumatic diseases who had a positive quantitative polymerase chain reaction assay for Pneumocystis jirovecii were screened, and 72 patients were included in the final analysis. The median (interquartile range [IQR]) pneumonia severity index (PSI) was 101.5 (77.0-132.0). The median (IQR) adjunctive corticosteroid dosage was 0.6 (0.4-0.9) mg/kg/day prednisolone equivalent. The receiver operating characteristic curve analysis showed that the optimal cutoff point of median adjunctive corticosteroid dosage was 0.6 mg/kg/day to predict in-hospital, 30-day, and 90-day mortality. In the multivariable logistic regression analysis, median adjunctive corticosteroid dosage ≥0.6 mg/kg/day and PSI >90 were independent factors of in-hospital, 30-day, and 90-day mortality. CONCLUSION: A median adjunctive corticosteroid dosage of ≥0.6 mg/kg/day might be associated with mortality in patients with rheumatic diseases complicated by PCP.

Changes in rheumatoid arthritis under ultrasound before and after sinomenine injection.

BACKGROUND: Rheumatoid arthritis (RA) is a prevalent clinical autoimmune disease that is commonly treated with diclofenac and methotrexate. In recent years, the application of traditional Chinese medicine in RA has received widespread attention; it promotes blood circulation, strengthens the immune system, and eliminates evil. The sinomenine preparation of Zhingqeng Fengtongning is studied as a possible treatment for patients with RA. AIM: To explore the value of sinomenine injection into the articular cavity for the treatment of RA. METHODS: A total of 94 patients with RA treated from January 2019 to January 2021 were selected and divided into the study and control groups with 47 patients each using a simple random number table method. Both groups received conventional treatment with diclofenac sodium and methotrexate tablets. The control group received diproxone and lidocaine by intra-articular administration while the study group received an intra-articular administration of the sinomenine preparation of Zhengqing Fengning and lidocaine. χ 2 test was used to evaluate the therapeutic effect and synovial thickness, degree of pain through the visual analog scale (VAS), blood flow grade, arthroinflammatory indexes [rheumatoid factor (RF), C-reactive protein (CRP), and erythrocyte sedimentation rate (ESR)] before and after treatment in the two groups. RESULTS: The total effective rate of the study group (93.62%) was higher than that of the control group (78.72%) (P < 0.05). Before treatment, there were no significant differences between the two groups in terms of synovial thickness, VAS score, blood flow grading, levels of RF, and ESR (P > 0.05). After treatment, the synovial thickness and VAS score were significantly lower (P < 0.05) in the study group than in the control group (2.05 ± 0.59 mm vs 2.87 ± 0.64 mm and 2.11 ± 0.62 vs 2.90 ± 0.79 scores, respectively). The rate of blood flow at grade 0 in the study group (76.60%) was higher than that in the control group (57.45%), and the rate of blood flow at grade I (10.64%) was lower than that in the control group (31.91%) (P < 0.05). Furthermore, the levels of RF (55.61 ± 6.13 U/mL), CRP (11.43 ± 3.59 mg/L), and ESR (29.60 ± 5.56 mm/h) in the study group were lower than those in the control group (73.04 ± 9.23 U/mL, 15.07 ± 4.06 mg/L, 36.64 ± 6.10 mm/h, respectively) (P < 0.05). CONCLUSION: Sinomenine administration of Zhengqing Fengtongning in the articular cavity with conventional treatment of RA can improve ultrasonographic blood flow and synovial thickness, reduce pain, regulate inflammation, and enhance therapeutic effect.

Antiatherosclerotic effect of dehydrocorydaline on ApoE-/- mice: inhibition of macrophage inflammation.

Despite improvements in cardiovascular disease (CVD) outcomes by cholesterol-lowering statin therapy, the high rate of CVD is still a great concern worldwide. Dehydrocorydaline (DHC) is an alkaloidal compound isolated from the traditional Chinese herb Corydalis yanhusuo. Emerging evidence shows that DHC has anti-inflammatory and antithrombotic benefits, but whether DHC exerts any antiatherosclerotic effects remains unclear. Our study revealed that intraperitoneal (i.p.) injection of DHC in apolipoprotein E-deficient (ApoE-/-) mice not only inhibited atherosclerosis development but also improved aortic compliance and increased plaque stability. In addition, DHC attenuated systemic and vascular inflammation in ApoE-/- mice. As macrophage inflammation plays an essential role in the pathogenesis of atherosclerosis, we next examined the direct effects of DHC on bone marrow-derived macrophages (BMDMs) in vitro. Our RNA-seq data revealed that DHC dramatically decreased the levels of proinflammatory gene clusters. We verified that DHC significantly downregulated proinflammatory interleukin (IL)-1ß and IL-18 mRNA levels in a time- and concentration-dependent manner. Furthermore, DHC decreased lipopolysaccharide (LPS)-induced inflammation in BMDMs, as evidenced by the reduced protein levels of CD80, iNOS, NLRP3, IL-1ß, and IL-18. Importantly, DHC attenuated LPS-induced activation of p65 and the extracellular signal-regulated kinase 1/2 (ERK1/2) pathway. Thus, we conclude that DHC ameliorates atherosclerosis in ApoE-/- mice by inhibiting inflammation, likely by targeting macrophage p65- and ERK1/2-mediated pathways.

Extracorporeal Membrane Oxygenation in Immunocompromised Patients With Acute Respiratory Distress Syndrome-A Retrospective Cohort Study.

Objective: Although the negative impact of immunosuppression on survival in patients with acute respiratory distress syndrome (ARDS) treated by extracorporeal membrane oxygenation (ECMO) is well known, short-term outcomes such as successful weaning rate from ECMO and subgroups benefit most from ECMO remain to be determined. The aims of this study were (1) to identify the association between immunocompromised status and weaning from ECMO in patients of ARDS, and (2) to identify subgroups of immunocompromised patients who may benefit from ECMO. Methods: This retrospective cohort study enrolled patients who received ECMO for ARDS from 2010 to 2020. Immunocompromised status was defined as having a hematological malignancy, active solid tumor, solid organ transplant, or autoimmune disease. Results: This study enrolled 256 ARDS patients who received ECMO, of whom 68 were immunocompromised. The multivariable analysis showed that immunocompromised status was not independently associated with failure to wean from ECMO. In addition, the patients with an autoimmune disease (14/24, 58.3%) and organ transplantation (3/3, 100%) had a numerically higher weaning rate from ECMO than other immunocompromised patients. For causes of ARDS, most patients with pulmonary hemorrhage (6/8, 75%) and aspiration (5/9, 55.6%) could be weaned from ECMO, compared to only a few of the patients with interstitial lung disease (2/9, 22.2%) and sepsis (1/4, 25%). Conclusions: Immunocompromised status was not an independent risk factor of failure to wean from ECMO in patients with ARDS. For patients with pulmonary hemorrhage and aspiration-related ARDS, ECMO may be beneficial as bridge therapy.

Pregnancy outcomes in patients treated with belimumab: Report from real-world experience.

OBJECTIVE: To investigate the neonatal and maternal outcomes of patients treated with belimumab during pregnancy. MATERIALS AND METHODS: We retrospectively collected patients who were treated with belimumab during pregnancy from January 2018 to October 2020 in a tertiary referral hospital in Taiwan. All patients had clinical and serological features of systemic lupus erythematosus or antiphospholipid syndrome and had been treated accordingly. The patients' medical and obstetric history, obstetric complications and fetal outcomes were collected by chart review. RESULTS: A total of 13 pregnancies in 13 patients were included. The median age was 38 years (interquartile range 32-41 years), 46.2% had a history of recurrent pregnancy loss, and the median number of treatment courses with belimumab (400 mg per dose) was two. There were 11 live births (84.6%, 11 of 13). One episode of omphalitis was noted in one fetus, who recovered well with antibiotic treatment. No fetus had leukopenia, lymphopenia, neutropenia, or thrombocytopenia in the days after birth. No fetal anomalies were found in this series. Among the six patients with a past history of recurrent pregnancy loss, four had live births. CONCLUSION: This study provides new evidence for the use of belimumab in pregnant patients. No increase in the risk of fetal anomalies or severe infection was noted in the patients who were exposed to belimumab during pregnancy. Cautious monitoring is necessary if belimumab is used in pregnant patients, and more data are still needed to validate its safety.

Serum C-Reactive Protein and Interleukin-6 Levels as Biomarkers for Disease Severity and Clinical Outcomes in Patients with Idiopathic Granulomatous Mastitis.

Idiopathic granulomatous mastitis (IGM) is a rare inflammatory breast disease mimicking breast cancer. Limited research has been conducted on the application of serum biomarkers. This study aims to investigate the association of serum biomarkers with disease severity in patients with IGM. From November 2011 to March 2020, medical records of patients with IGM were reviewed. Serum cytokine levels were measured in patients and healthy controls between July 2018 and March 2020. A total of 41 patients with histologically proven IGM were found. Serum interleukin (IL)-6 level was significantly higher in patients with IGM (n = 11) than healthy controls (n = 7). Serum IL-6 and C-reactive protein (CRP) levels were significantly higher in patients with severe disease than mild and moderate disease. Serum IL-6 (Spearman's ρ = 0.855; p < 0.001) and CRP (Spearman's ρ = 0.838; p = 0.001) levels were associated with time to resolution. A higher serum CRP level was associated with a longer time to resolution (B = 0.322; p < 0.001) in multiple linear regression analysis. Serum IL-6 and CRP levels can be used as biomarkers for the evaluation of disease severity in IGM. IL-6 may play a crucial role in the immunopathology of IGM.

Anti-Cyclic Citrullinated Peptide Antibodies Correlate to Ultrasound Synovitis in Rheumatoid Arthritis Better Than C-Reactive Protein.

OBJECTIVES: The aim of this study was to compare ultrasound (US) grading and laboratory measures in patients with rheumatoid arthritis. METHODS: Two-hundred four patients with rheumatoid arthritis who received US evaluation for synovitis were included after excluding those using tocilizumab. Ultrasound grading of synovial hypertrophy (SH) and power Doppler (PD) at the most severe site were recorded. An assessment of the correlation of laboratory measures and US grading was conducted by reviewing the electronic medical records. RESULTS: High-titer anti-cyclic citrullinated peptide (anti-CCP) antibodies positivity was associated with SH grade ≥2 (odds ratio [OR], 6.00; 95% confidence interval [CI], 1.78-20.2) and PD grade ≥2 (OR, 5.56; 95% CI, 1.82-16.9). Recent C-reactive protein (CRP) levels ≥0.3 mg/dL were associated with SH grade ≥2 (OR, 3.13; 95% CI, 1.38-7.10) and PD grade ≥2 (OR, 2.38; 95% CI, 1.31-4.31). Anti-CCP antibody levels correlated with US scores better than the levels of CRP with higher Spearman ρ correlation coefficients. Most of the patients with recent CRP levels <0.3 mg/dL had US synovitis. In logistic regression, high levels of anti-CCP antibodies and CRP were both independently associated with SH grade ≥2 and PD grade ≥2. CONCLUSIONS: Higher levels of anti-CCP antibodies and CRP may predict synovitis on US, whereas discrepancies existed between inflammatory markers and US grading. These findings suggest that US has a role in the comprehensive assessment of disease activity, especially for patients with high-titer positive anti-CCP antibodies.

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The emission of CO2 from major sectors and key industries are the predominant sources of regional CO2 emissions. It is the prerequisite to promote sectoral carbon emissions reduction, to cla-rify their influencing factors and investigate their relationship with regional economic growth. It is also of great significance for the implementation of regional total carbon emissions control. Using the Logarithmic mean Divisia index method (LMDI) and the Tapio decoupling model, we analyzed the driving factors, and decoupling status with economic growth of 13 major carbon emissions industries in Fujian Province from 1997 to 2017. The results showed that the electricity and heat production and supply industry was the major source of CO2 emissions in Fujian Province, with an increase of 101.74 Mt (from 18.89 Mt to 120.63 Mt) during the period 1997 to 2017. The top three industries with the fastest annual growth rate in CO2 emissions were non-ferrous metal smelting and rolling processing industry (18.1%), textile industry (12.1%), and ferrous metal smelting and rolling processing industry (12.1%). Among the influence factors for the changes in carbon emissions in 13 major industries, economic growth effect and population scale effect were the main positive driving factors, while the restraining effects of energy structure, energy intensity, and industrial structure were continuously increasing. In terms of decoupling relationship, the decoupling index between economic growth and industry-related CO2 emissions showed a downward trend on the whole. Since the 11th Five-Year-Plan period, some industries had begun to show strong decoupling to some extent. The farming, forestry, animal husbandry, fishery and water conservancy industry exhibited expansive negative decoupling, whereas the electricity and heat production and supply industry exhibited weak negative decoupling during 13th Five-Year Plan period. The effects of energy structure and energy intensity had substantial impacts on the decoupling with economic growth for various industries. The industrial structure effect had a smaller impact on the decoupling with economic growth, while the population scale effect had almost no impact.

Exome sequencing identifies predisposing and fusion gene in ganglioneuroma, ganglioneuroblastoma and neuroblastoma.

This study intended to gain new insight into the genetic basis underlying ganglioneuroma (GN), ganglioneuroblastoma (GNB), and neuroblastoma (NB). Three fresh-frozen surgically resected tumor tissues (GN1, GNB1, and NB1) and matched blood samples (GN2, GNB2, and NB2) were respectively obtained from three pediatric patients with GN, GNB, and NB. After exome sequencing, we predicted the somatic single nucleotide variants (SNV) and insertion and deletion (InDel), and screened the predisposing genes. Finally, we detected and filtered the fusion gene using Fusionmap. Exome sequencing identified 815, 985, and 884 somatic SNV, and 56, 43, and 34 InDel for GN, NB, and GNB respectively. Total 29, 19 and 37 predisposing genes were identified from GN, GNB and NB samples, such as PIK3CA (GN), MUC4 (GN), PML (NB), TFR2 (GNB), and MAX (GNB). Additionally, four common fusion genes, such as HOXD11-AGAP3 and SAMD1-CDC42EP5, were identified from three tumor samples. Moreover, SAMD1-CDC42EP5 was also a common fusion position in three blood samples. These previously unrecognized predisposing genes, such as PIK3CA, MUC4, PML, TFR2 and MAX, and fusion genes, like HOXD11-AGAP3, and SAMD1-CDC42EP5 may have the potential to impact the progression and development of neuroblastic tumors.

Progressive multifocal leukoencephalopathy in a 27-year-old lady with systemic lupus erythematosus - rheumatoid arthritis overlap syndrome.

Progressive multifocal leukoencephalopathy (PML) is a rare viral demyelinating disease of central nervous system. Immunosuppression is a significant risk factor for the disease. Previously, PML developed more commonly in patients of hematological malignancy and acquired immune deficiency syndrome (AIDS). In the era of biological disease modifying anti-rheumatic drugs, PML is more frequently reported in patients of autoimmune diseases. However, for its rarity and unspecific clinical presentations, accurate diagnosis and immediate immune restoration might be difficult in clinical practice, and the outcome might thus be miserable. Herein we present a 27-year-old lady of systemic lupus erythematosus (SLE) - rheumatoid arthritis overlap syndrome with suspected involvement of central nervous system. Neuropsychiatric SLE was suspected first. However, after intensive immunosuppressive treatment, the condition kept deteriorating. An alternative diagnosis was thus considered. PML was suspected for her immunosuppressive status and suggestive radiological findings, and the diagnosis was confirmed by a polymerase chain reaction of JC virus from cerebrospinal fluid. After restoring the immune status by decreasing the dose of immunosuppressants, the condition of the patient improved significantly. We report this case to raise the importance of clinical alertness for the rare but possibly underdiagnosed disease.

The Complexity Entropy Analysis of a Supply Chain System Considering Recovery Rate and Channel Service.

In this paper, we study a dual-channel closed-loop supply chain in which a manufacturer considers the market waste products recovery and remanufacture, and a retailer considers provide services to customers. We build a Stackelberg game model and a centralized game model in a static and dynamic state, respectively, and analyze the two dynamic models by mathematical analysis and explore the stability and entropy of the two models using bifurcation, the basin of attraction, chaotic attractors, and so on. The influences of service level and profit distribution rate on the system's profit are discussed. The theoretical results show that higher price adjustment speed will lead to the system lose stability with a larger entropy value. In the Stackelberg game model, the stability of the system increases as the service value and the recovery rate increases; in the centralized model, the stability of the system decreases with the increase of the service value and increases with the recovery rate increases. When the Stackelberg game model is in a stable state, the manufacturer's profit increases first and then decreases, and the retailer's profit first decreases and then increases as the service value of the retailer increases. The research will serve as good guidance for both the manufacturer and retailer in dual-channel closed-loop supply chains to improve decision making.