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Neurosyphilis complicated by anti-γ-aminobutyric acid-B receptor encephalitis: A case report

World Journal of Clinical Cases 2024年第11期12卷 1960-1966页

作者： ya-Xiu Fang Xiao-Ming Zhou Dong zheng Guang-Hui Liu Peng-Bo Gao Xiao-zhen Huang Zhi-Cheng Chen Hui Zhang Lin Chen ya-Fang Hu Department of Neurology The Affiliated Brain Hospital of Guangzhou Medical UniversityGuangzhou 510000Guangdong ProvinceChina Department of Neurology Nanfang HospitalSouthern Medical UniversityGuangzhou 510000Guangdong ProvinceChina

BACKGROUND Syphilis is an infectious disease caused by Treponema pallidum that can invade the central nervous system,causing *** cases of anti-N-methyl-Daspartate receptor autoimmune encephalitis(AE)secondary to neurosyphilis have been *** report a neurosyphilis patient with anti-γ-aminobutyric acid-B receptor(GABABR)*** SUMMARY A young man in his 30s who presented with acute epileptic status was admitted to a local *** was diagnosed with neurosyphilis,according to serum and cerebrospinal fluid(CSF)tests for *** 14 d of antiepileptic treatment and anti-Treponema pallidum therapy with penicillin,epilepsy was controlled but serious cognitive impairment,behavioral,and serious psychiatric symptoms were *** was then transferred to our *** Mini-Mental State Examination(MMSE)crude test results showed only 2 *** magnetic resonance imaging revealed significant cerebral atrophy and multiple fluidattenuated inversion recovery high signals in the white matter surrounding both lateral ventricles,left amygdala and bilateral ***-GABABR antibodies were discovered in CSF(1:3.2)and serum(1:100).The patient was diagnosed with neurosyphilis complicated by anti-GABABR AE,and received methylprednisolone and *** treatment,his mental symptoms were *** impairment was significantly improved,with a MMSE of 8 *** anti-GABABR antibody titer decreased to 1:*** patient received methylprednisolone and penicillin after *** months later,the patient’s condition was stable,but the serum anti-GABABR antibody titer was 1:*** This patient with neurosyphilis combined with anti-GABABR encephalitis benefited from immunotherapy.

关键词： Anti-γ-aminobutyric acid-B receptor GABABR Neurosyphilis Tissue-based assay Magnetic resonance imaging Mini-mental state examination Case report

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Advances in immunotherapy for hepatitis B virus associated hepatocellular carcinoma patients

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World Journal of Hepatology 2024年第10期16卷 1158-1168页

作者： Wei-Hua Cao ya-qin Zhang Xin-Xin Li Zi-Yu Zhang Ming-Hui Li Department of Hepatology Division 2 Beijing Ditan HospitalCapital Medical UniversityBeijing 100015China Department of Hepatology Division 2 Beijing Ditan HospitalCapital Medical UniversityPeking University Ditan Teaching HospitalBeijing 100015China

Hepatitis B virus(HBV)infection plays an important role in the occurrence and development of hepatocellular carcinoma(HCC),and the rate of HBV infection in liver cancer patients in China is as high as 92.05%.Due to long-term exposure to chronic antigens from the gut,the liver needs to maintain a certain level of immune tolerance,both to avoid severe inflammation caused by non-pathogenic antigens and to maintain the possibility of rapid and violent responses to infection and ***,HBV infection interacts with the tumor microenvironment(TME)through a highly complex and intertwined signaling pathway,which results in a special TME in *** to changes in the TME,tumor cells can evade immune surveillance by inhibiting tumor-specific T cell function through cytotoxic T-lymphocy-associated protein-4(CTLA-4)and programmed cell death 1(PD-1)/programmed cell death ligand 1(PD-L1).Interferons,as a class of immune factors with strong biological activity,can improve the TME of HBV-HCC through various *** recent years,the systematic treatment of HCC has gradually come out of the *** addition to the continuous emergence of new multi-target anti-vascular tyrosine kinase inhibitor drugs,immune checkpoint inhibitors have opened up a new avenue for the systematic treatment of *** present,immunotherapy based on PD-1/L1 inhibitors has gradually become a new direction of systematic treatment for HCC,and the disease charac-teristics of patients included in global clinical studies are different from those of Chinese ***,whether a group of HCC patients with HBV background and poor prognosis in China can also benefit from immunotherapy is an issue of wide *** review aims to elucidate the advances of immuno-therapy for HBV related HCC patients with regard to:(1)Immunotherapy based on interferons;(2)Immunotherapy based on PD-1/L1 inhibitors;(3)Immunotherapy based on CTLA4 inhibitors;(4)Adoptive cell transfer;(5)Combination immunotherapy str

关键词： Hepatitis B virus Hepatocellular carcinoma Immune checkpoint inhibitors Peginterferon alpha Systematic treatment

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Development and validation of a novel non-invasive test for diagnosing nonalcoholic fatty liver disease in Chinese children

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World Journal of Pediatrics 2024年第4期20卷 413-421页

作者： Zhe-Wen qin Qian-Nan Ren Hong-Xi Zhang ya-Ru Liu Ke Huang Wei Wu Guan-Ping Dong yan Ni Jun-Fen Fu Division of Endocrinology National Clinical Research Center for Child HealthNational Children’s Regional Medical CenterThe Children’s HospitalDepartment of EndocrinologyNational Clinical Research Center for Child HealthNational Children’s Regional Medical CenterThe Children’s HospitalZhejiang University School of MedicineHangzhou310052China

With the exploding prevalence of obesity,many children are at risk of developing nonalcoholic fatty liver *** anthropometric and laboratory parameters,our study aimed to develop a model to quantitatively evaluate liver fat content(LFC)in children with *** A well-characterized cohort of 181 children between 5 and 16 years of age were recruited to the study in the Endocrinology Department as the derivation *** external validation cohort comprised 77 *** assessment of liver fat content was performed using proton magnetic resonance *** and laboratory metrics were measured in all subjects.B-ultrasound examination was carried out in the external validation *** Kruskal-Wallis test,Spearman bivariate correlation analyses,univariable linear regressions and multivariable linear regression were used to build the optimal predictive *** The model was based on indicators including alanine aminotransferase,homeostasis model assessment of insulin resistance,triglycerides,waist circumference and Tanner *** adjusted R^(2)of the model was 0.589,which presented high sensitivity and specificity both in internal[sensitivity of 0.824,specificity of 0.900,area under curve(AUC)of 0.900 with a 95%confidence interval:0.783–1.000]and external validation(sensitivity of 0.918 and specificity of 0.821,AUC of 0.901 with a 95%confidence interval:0.818–0.984).Conclusions Our model based on five clinical indicators was simple,non-invasive,and inexpensive;it had high sensitivity and specificity in predicting LFC in ***,it may be useful for identifying children with obesity who are at risk for developing nonalcoholic fatty liver disease.

关键词： Biochemical markers Children Magnetic resonance spectroscopy Nonalcoholic fatty liver disease Pediatric obesity

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Evolution of template-assisted two-dimensional porphyrin chiral grating structure by directed self-assembly using chiral second harmonic generation microscopy

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Chinese Chemical Letters 2024年第10期35卷 170-174页

作者： Changhui Yu Peng Shang Huihui Hu Yuening Zhang Xujin qin Linyu Han Caihe Liu Xiaohan Liu Minghua Liu Yuan Guo zhen Zhang Beijing National Laboratory for Molecular Sciences State Key Laboratory of Molecular Reaction DynamicsInstitute of ChemistryChinese Academy of SciencesBeijing 100190China University of Chinese Academy of Sciences Beijing 100049China Beijing National Laboratory for Molecular Science CAS Key Laboratory of ColloidInterface and Chemical ThermodynamicsInstitute of ChemistryChinese Academyof SciencesBeijing100190China

Directed self-assembly has been used to create micro-nano scale patterns,including chiral periodic structures of organic molecules,for potential applications in optics,photonics,metamaterials,and medical and sensing *** study presents a straightforward approach for fabricating large-scale chiral grating porphyrin assemblies through template-assisted *** solution of tetrakis(4-sulfonatophenyl)porphyrin(TPPS)was induced by chiral amino acids(L/D-arginine and L/D-serine)to selfassemble into highly ordered chiral grating structures with the assistance of sodium dodecyl sulfate(SDS).The structures show precise line widths(5.5μm)and gaps(18μm).Using in situ optical microscopy and second harmonic generation(SHG)microscopy,the chiral characteristics and dynamic evolution of the template-assisted self-assembly are *** is found that the chirality of amino acids induced TPPS self-assembled into chiral structures and the liquid contraction interface significantly enhanced the chirality of the *** study is significant for understanding the mechanism of chiral evolution and designing novel micro-nano materials with predetermined chiral properties.

关键词： Second harmonic generation microscopy Chiral assembly Porphyrin Chiral evolution Template-assisted self-assembly Micro-nano structure

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UPLC-MS/MS分析薄荷配方颗粒与传统饮片中非挥发性成分的相关性

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中国中药杂志 2021年第5期46卷 1134-1140页

作者：甄亚钦田伟支雅婧王梦李志远牛丽颖河北中医学院河北石家庄050091 河北省中药配方颗粒技术创新中心河北石家庄050091 河北省中药材品质评价与标准化工程研究中心河北石家庄050091 上海爱博才思分析仪器贸易有限公司上海200335

建立UPLC-MS/MS同时测定薄荷配方颗粒和传统饮片中新绿原酸、绿原酸、隐绿原酸、咖啡酸、异绿原酸A、迷迭香酸、阿魏酸、芦丁、木犀草苷、异槲皮苷、橙皮苷、香叶木苷、香叶木素、木犀草素、金合欢素和蒙花苷16种非挥发性化学成分的方法... 详细信息

建立UPLC-MS/MS同时测定薄荷配方颗粒和传统饮片中新绿原酸、绿原酸、隐绿原酸、咖啡酸、异绿原酸A、迷迭香酸、阿魏酸、芦丁、木犀草苷、异槲皮苷、橙皮苷、香叶木苷、香叶木素、木犀草素、金合欢素和蒙花苷16种非挥发性化学成分的方法,并分析薄荷配方颗粒与传统饮片中非挥发性成分的相关性。采用Shim-pack GIST C_(18)色谱柱(2.1 mm×100 mm,2μm),流动相为乙腈-0.1%甲酸水溶液,梯度洗脱,流速为0.4 mL·min^(-1),柱温35℃。采用电喷雾离子源(ESI),多反应监测模式(MRM)进行定量分析。结果16种化学成分的线性关系、分离度、重复性及回收率等均符合要求。薄荷饮片中16种非挥发性成分在薄荷配方颗粒中均可得到追踪,不同厂家薄荷配方颗粒和不同产地薄荷饮片中16种化学成分存在一定差异。建立的UPLC-MS/MS分析方法简便、快速、准确,可用于薄荷配方颗粒和传统饮片中非挥发性成分的质量控制。

关键词：薄荷传统饮片配方颗粒液质联用含量测定相关性

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彝族药姜味草指纹图谱的建立和化学模式识别分析及含量测定

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中国药学杂志 2022年第5期57卷 342-349页

作者：王梦田伟王鑫国甄亚钦支雅婧牛丽颖河北中医学院石家庄050200 河北省中药配方颗粒技术创新中心石家庄050091 河北省中药材品质评价与标准化工程研究中心石家庄050091

目的建立彝族药姜味草的高效液相色谱法(HPLC)指纹图谱分析方法,结合化学模式识别,对其质量进行分析,并测定其中4种成分的含量。方法采用Agilent-C_(18)色谱柱(4.6 mm×250 mm, 4μm),以乙腈-0.2%磷酸水为流动相,梯度洗脱,以迷迭香酸... 详细信息

目的建立彝族药姜味草的高效液相色谱法(HPLC)指纹图谱分析方法,结合化学模式识别,对其质量进行分析,并测定其中4种成分的含量。方法采用Agilent-C_(18)色谱柱(4.6 mm×250 mm, 4μm),以乙腈-0.2%磷酸水为流动相,梯度洗脱,以迷迭香酸为参照,建立15批不同来源样品的HPLC特征图谱,结合相似度评价、聚类分析(HCA)、主成分分析(PCA)和正交偏最小二乘法-判别分析(OPLS-DA)等方法,进行药材质量评价,并测定4种成分的含量。结果建立了15批彝族药姜味草HPLC指纹图谱,标定20个共有峰,经与对照品比对指认出4个,其相似度都在0.960以上。通过HCA分析可将样品分为2类,结合PCA和OPLS-DA方法,发现其中5个影响质量的差异性组分。对15批样品中的咖啡酸、野黄芩苷、迷迭香酸和蒙花苷含量进行测定,显示4种成分在不同批次样品中的含量存在差异,且迷迭香酸和蒙花苷对区别不同来源样品贡献较大,与化学计量学方法分析结果一致。结论本研究所建立的HPLC指纹图谱方法简便、科学、稳定性好,为不同产地姜味草质量评价和定量分析提供了依据。

关键词：姜味草高效液相色谱法指纹图谱主成分分析聚类分析正交偏最小二乘法判别分析含量测定

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Extended survival with metastatic pancreatic cancer under fruquintinib treatment after failed chemotherapy:Two case reports

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World Journal of Clinical Cases 2024年第7期12卷 1296-1304页

作者： Dan Wu Qiong Wang Shuai yan Xia Sun ya qin Ming Yuan Nan-yao Wang Xian-Ting Huang Department of Oncology Jiangyin People's HospitalWuxi 214400Jiangsu ProvinceChina

BACKGROUND Pancreatic cancer is a highly malignant *** decades of treatment progress,the current five-year survival rate for patients is still less than 10%.For later-line treatment,the treatment options are even more ***-angiogenic drugs can improve progression-free survival in patients with advanced pancreatic *** data show that fruquintinib might improve the prognosis of advanced pancreatic cancer by targeting angiogenesis and lymphopoiesis,improving the abnormal vascular structure,and modulating the tumour immune *** SUMMARY We present two cases of third-line fruquintinib monotherapy that brought an extraprolonged progress-free survival(PFS)of 10 *** 1 took adjuvant gemcitabine-based and first-line nab-paclitaxel-based chemotherapy and then used local radiotherapy combined with programmed cell death 1 receptor(PD-1).Each line lasted approximately 7 ***,the patient took third-line fruquintinib,which was followed by stable disease for 10 months,during which no additional adverse effect was *** patient later refused to take fruquintinib due to difficulty urinating and lower abdominal pain after the coronavirus disease 2019(COVID-19)*** patient died in February *** 2 also took two prior lines of chemotherapy and then local radiotherapy combined with *** confirmed disease progression,the patient experienced a continuous partial response after using fruquintinib monotherapy in the third *** the patient had COVID-19 in December 2022,fruquintinib was *** patient died in January 2023 due to disease *** Both cases achieved a PFS benefit from later-line single-agent fruquintinib *** its better safety profile,fruquintinib may be worth exploring and studying in more depth as a later-line treatment for pancreatic cancer patients.

关键词： Pancreatic cancer Anti-vascular endothelial growth factor receptor Fruquintinib Case report

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METTL5 promotes gastric cancer progression via sphingomyelin metabolism

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World Journal of Gastrointestinal Oncology 2024年第5期16卷 1925-1946页

作者： ya-Qiong Zhang Jian Li Zhe qin De-Ming Li Fang-Zhou Ye Song-Hua Bei Xiao-Hong Zhang Li Feng Endoscopy Center Minhang Hospital Affiliated to Fudan UniversityShanghai 201100China

BACKGROUND The treatment of gastric cancer(GC)has caused an enormous social burden *** studies have reported that N6-methyladenosine(m6A)is closely related to tumor ***5 is a m6A methyltransferase that plays a pivotal role in maintaining the metabolic stability of ***,its aberrant regulation in GC has not been fully *** To excavate the role of METTL5 in the development of *** METTL5 expression and clinicopathological characteristics were analyzed via The Cancer Genome Atlas dataset and further verified via immunohistochemistry,western blotting and real-time quantitative polymerase chain reaction in tissue microarrays and clinical *** tumor-promoting effect of METTL5 on HGC-27 and AGS cells was explored in vitro by Cell Counting Kit-8 assays,colony formation assays,scratch healing assays,transwell assays and flow *** tumor-promoting role of METTL5 in vivo was evaluated in a xenograft tumor *** EpiQuik m6A RNA Methylation Quantification Kit was used for m6A ***,liquid chromatography-mass spectrometry was used to evaluate the association between METTL5 and sphingomyelin metabolism,which was confirmed by Enzyme-linked immunosorbent assay and rescue *** addition,we investigated whether METTL5 affects the sensitivity of GC cells to cisplatin via colony formation and transwell *** Our research revealed substantial upregulation of METTL5,which suggested a poor prognosis of GC *** METTL5 expression indicated distant lymph node metastasis,advanced cancer stage and pathological *** increased level of METTL5 correlated with a high degree of m6A ***5 markedly promotes the proliferation,migration,and invasion of GC cells in ***5 also promotes the growth of GC in animal ***5 knockdown resulted in significant changes in sphingomyelin metabolism,which implies that METTL5 may impact the development of GC via sphin

关键词： Gastric cancer METTL5 Sphingomyelin metabolism Cisplatin

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Automatic detection of small bowel lesions with different bleeding risks based on deep learning models

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World Journal of Gastroenterology 2024年第2期30卷 170-183页

作者： Rui-ya Zhang Peng-Peng Qiang Ling-Jun Cai Tao Li yan qin Yu Zhang Yi-qing Zhao Jun-Ping Wang Department of Gastroenterology The Fifth Clinical Medical College of Shanxi Medical UniversityTaiyuan 030012Shanxi ProvinceChina School of Computer and Information Technology Shanxi UniversityTaiyuan 030006Shanxi ProvinceChina School of Life Sciences and Technology Mudanjiang Normal UniversityMudanjiang 157011Heilongjiang ProvinceChina

BACKGROUND Deep learning provides an efficient automatic image recognition method for small bowel(SB)capsule endoscopy(CE)that can assist physicians in ***,the existing deep learning models present some unresolved *** To propose a novel and effective classification and detection model to automatically identify various SB lesions and their bleeding risks,and label the lesions accurately so as to enhance the diagnostic efficiency of physicians and the ability to identify high-risk bleeding *** The proposed model represents a two-stage method that combined image classification with object ***,we utilized the improved ResNet-50 classification model to classify endoscopic images into SB lesion images,normal SB mucosa images,and invalid ***,the improved YOLO-V5 detection model was utilized to detect the type of lesion and its risk of bleeding,and the location of the lesion was *** constructed training and testing sets and compared model-assisted reading with physician *** The accuracy of the model constructed in this study reached 98.96%,which was higher than the accuracy of other systems using only a single *** sensitivity,specificity,and accuracy of the model-assisted reading detection of all images were 99.17%,99.92%,and 99.86%,which were significantly higher than those of the endoscopists’*** image processing time of the model was 48 ms/image,and the image processing time of the physicians was 0.40±0.24 s/image(P<0.001).CONCLUSION The deep learning model of image classification combined with object detection exhibits a satisfactory diagnostic effect on a variety of SB lesions and their bleeding risks in CE images,which enhances the diagnostic efficiency of physicians and improves the ability of physicians to identify high-risk bleeding groups.

关键词： Artificial intelligence Deep learning Capsule endoscopy Image classification Object detection Bleeding risk

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Integrated multi-omics analysis reveals liver metabolic reprogramming by fish iridovirus and antiviral function of alpha-linolenic acid

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Zoological Research 2024年第3期45卷 520-534页

作者： Lin Liu ya Zhang Meng-Di Yuan Dong-Miao Xiao Wei-Hua Xu Qi zheng Qi-Wei qin You-Hua Huang Xiao-Hong Huang College of Marine Sciences South China Agricultural UniversityGuangdong Laboratory for Lingnan Modern AgricultureGuangzhouGuangdong 510642China Nansha-South China Agricultural University Fishery Research Institute GuangzhouGuangdong 511464China Southern Marine Science and Engineering Guangdong Laboratory ZhuhaiGuangdong 519082China

Iridovirus poses a substantial threat to global aquaculture due to its high mortality rate;however,the molecular mechanisms underpinning its pathogenesis are not well ***,a multi-omics approach was applied to groupers infected with Singapore grouper iridovirus(SGIV),focusing on the roles of key *** showed that SGIV induced obvious histopathological damage and changes in metabolic enzymes within the ***,SGIV significantly reduced the contents of lipid droplets,triglycerides,cholesterol,and *** analysis indicated that the altered metabolites were enriched in 19 pathways,with a notable down-regulation of lipid metabolites such as glycerophosphates and alpha-linolenic acid(ALA),consistent with disturbed lipid homeostasis in the *** of transcriptomic and metabolomic data revealed that the top enriched pathways were related to cell growth and death and nucleotide,carbohydrate,amino acid,and lipid metabolism,supporting the conclusion that SGIV infection induced liver metabolic *** integrative transcriptomic and proteomic analysis indicated that SGIV infection activated crucial molecular events in a phagosome-immune depression-metabolism dysregulation-necrosis signaling *** note,integrative multi-omics analysis demonstrated the consumption of ALA and linoleic acid(LA)metabolites,and the accumulation of L-glutamic acid(GA),accompanied by alterations in immune,inflammation,and cell death-related *** experimental data showed that ALA,but not GA,suppressed SGIV replication by activating antioxidant and anti-inflammatory responses in the ***,these findings provide a comprehensive resource for understanding host response dynamics during fish iridovirus infection and highlight the antiviral potential of ALA in the prevention and treatment of iridoviral diseases.

关键词： Iridovirus Liver damage Metabolic reprogramming SGIV Alpha-linolenic acid Antiinflammatory

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