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Enterocyte dendritic cell-specific intercellular adhesion molecule-3-grabbing non-integrin expression in inflammatory bowel disease

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World Journal of Gastroenterology 2015年第1期21卷 187-195页

作者： jing-qing zeng Chun-Di Xu Tong Zhou jing Wu Kai Lin Wei Liu Xin-Qiong Wang Department of Pediatrics Ruijin HospitalShanghai Jiao Tong University School of Medicine Department of Pediatrics Shanghai Children’s Medical CenterShanghai Jiao Tong University School of Medicine

AIM: To investigate dendritic cell-specific intercellular adhesion molecule-3-grabbing non-integrin(DC-SIGN) expression in intestinal epithelial cells(IECs) in inflammatory bowel disease(IBD).METHODS: The expression of DC-SIGN in IECs was examined by immunohistochemistry of intestinal mucosal biopsies from 32 patients with IBD and 10 *** activity indices and histopathology scores were used to assess the tissue lesions and pathologic *** studies utilized BALB/c mice with dextran sodium sulfate(DSS)-induced colitis treated with anti-P-selectin lectin-EGF domain monoclonal antibody(PsL-EGFmA b).Controls,untreated and treated mice were sacrificed after 7 d,followed by isolation of colon tissue and *** expression of DC-SIGN,CD80,CD86 and MHC Ⅱ was examined by immunohistochemistry or flow *** capacity of mouse enterocytes or dendritic cells to activate T cells was determined by coculture with naive CD4+ T *** supernatant and intracellular levels of interleukin(IL)-4 and interferon(IFN)-γ were measured by enzyme-linked immunosorbent assay and flow cytometry,*** ability of IECs to promote T cell proliferation was detected by flow cytometry staining with carboxyfluorescein diacetate succinimidyl ***: Compared with controls,DC-SIGN expression was significantly increased in IECs from patients with Crohn's disease(P < 0.01) or ulcerative colitis(P < 0.05).DC-SIGN expression was strongly correlated with disease severity in IBD(r = 0.48; P < 0.05).Similarly,in the DSS-induced colitis mouse model,IECs showed upregulated expression of DC-SIGN,CD80,CD86 and MHC,and DC-SIGN expression was positively correlated with disease activity(r = 0.62: P < 0.01).IECs from mouse colitis stimulated naive T cells to generate IL-4(P < 0.05).Otherwise,dendritic cells promoted a T-helper-1-skewing phenotype by stimulating IFN-γ ***,DC-SIGN expression and T cell differentiation were suppressed following treatment

关键词： Dendritic cell-specific intercellular adhesion mol

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Endoscopic retrograde cholangiopancreatography in children with symptomatic pancreaticobiliary maljunction: A retrospective multicenter study

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World Journal of Gastroenterology 2019年第40期25卷 6107-6115页

作者： jing-qing zeng Zhao-Hui Deng Kai-Hua Yang Tian-Ao Zhang Wen-Yu Wang Jian-Mei Ji Ya-Bin Hu Chun-Di Xu Biao Gong Department of Pediatric Digestive Diseases Shanghai Children’s Medical CenterShanghai Jiao Tong University School of MedicineShanghai 200127China Department of Digestive Diseases Shanghai Shuguang HospitalShanghai University of Traditional Chinese MedicineShanghai 201203China Department of Clinical Epidemiology and Biostatistics Shanghai Children’s Medical CenterShanghai Jiao Tong University School of MedicineShanghai 200127China Department of Pediatrics Ruijin HospitalShanghai Jiao Tong University School of MedicineShanghai 200025China

BACKGROUND Endoscopic retrograde cholangiopancreatography(ERCP)has been widely used in pediatric patients with cholangiopancreatic *** To evaluate the efficacy,safety,and long-term follow-up results of ERCP in symptomatic pancreaticobiliary maljunction(PBM).METHODS A multicenter,retrospective study was conducted on 75 pediatric patients who were diagnosed with PBM and underwent therapeutic ERCP at three endoscopy centers between January 2008 and March *** were divided into four PBM groups based on the fluoroscopy in *** clinical characteristics,specific ERCP procedures,adverse events,and long-term follow-up results were retrospectively *** Totally,112 ERCPs were performed on the 75 children with symptomatic *** manifestations included abdominal pain(62/75,82.7%),vomiting(35/75,46.7%),acholic stool(4/75,5.3%),fever(3/75,4.0%),acute pancreatitis(47/75,62.7%),hyperbilirubinemia(13/75,17.3%),and elevated liver enzymes(22/75,29.3%).ERCP interventions included endoscopic sphincterotomy,endoscopic retrograde biliary or pancreatic drainage,stone extraction,***-related complications were observed in 12 patients and included post-ERCP pancreatitis(9/75,12.0%),gastrointestinal bleeding(1/75,1.3%),and infection(2/75,2.7%).During a mean follow-up period of 46 mo(range:2 to 134 mo),ERCP therapy alleviated the biliary obstruction and reduced the incidence of *** overall effective rate of ERCP therapy was 82.4%;seven patients(9.3%)were lost to follow-up,eight(11.8%)re-experienced pancreatitis,and eleven(16.2%)underwent radical surgery,known as prophylactic excision of the extrahepatic bile duct and *** ERCP is a safe and effective treatment option to relieve biliary or pancreatic obstruction in symptomatic PBM,with the characteristics of minor trauma,fewer complications,and repeatability.

关键词： Cholangiopancreatic diseases Endoscopic retrograde cholangiopancreatography Pancreaticobiliary maljunction Pancreatitis Pediatric patients Follow-up

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External use of mirabilite to prevent post-endoscopic retrograde cholangiopancreatography pancreatitis in children:A multicenter randomized controlled trial

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World Journal of Gastrointestinal Surgery 2023年第4期15卷 712-722页

作者： jing-qing zeng Tian-Ao Zhang Kai-Hua Yang Wen-Yu Wang Jia-Yu Zhang Ya-Bin Hu Jian Xiao Zhi-Jian Gu Biao Gong Zhao-Hui Deng Department of Gastroenterology Shanghai Children’s Medical CenterSchool of MedicineShanghai Jiao Tong UniversityShanghai 200127China Department of Clinical Epidemiology and Biostatistics Shanghai Children’s Medical CenterSchool of MedicineShanghai Jiao Tong UniversityShanghai 200127China Department of Gastroenterology Shanghai Shuguang HospitalShanghai University of Traditional Chinese MedicineShanghai 200021China

BACKGROUND Acute pancreatitis is the most common complication of endoscopic retrograde cholangiopancreatography(ERCP).Currently,there is no suitable treatment for post-ERCP pancreatitis(PEP)*** studies have prospectively evaluated interventions to prevent PEP in *** To assess the efficacy and safety of the external use of mirabilite to prevent PEP in *** This multicenter,randomized controlled clinical trial enrolled patients with chronic pancreatitis scheduled for ERCP according to eligibility *** were randomly divided into the external use of mirabilite group(external use of mirabilite in a bag on the projected abdominal area within 30 min before ERCP)and blank *** primary outcome was the incidence of *** secondary outcomes included the severity of PEP,abdominal pain scores,levels of serum inflammatory markers[tumor necrosis factor-alpha(TNF-α)and serum interleukin-10(IL-10)],and intestinal barrier function markers[diamine oxidase(DAO),D-lactic acid,and endotoxin].Additionally,the side effects of topical mirabilite were *** total of 234 patients were enrolled,including 117 in the external use of mirabilite group and theother 117 in the blank *** pre-procedure and procedure-related factors were notsignificantly different between the two *** incidence of PEP in the external use ofmirabilite group was significantly lower than that in the blank group(7.7%vs 26.5%,P<0.001).The severity of PEP decreased in the mirabilite group(P=0.023).At 24 h after the procedure,thevisual analog scale score in the external use of mirabilite group was lower than that in the blankgroup(P=0.001).Compared with those in the blank group,the TNF-αexpressions weresignificantly lower and the IL-10 expressions were significantly higher at 24 h after the procedurein the external use of mirabilite group(P=0.032 and P=0.011,respectively).There were nosignificant differences in serum DAO,D-lactic acid,and endotox

关键词： Children Endoscopic retrograde cholangiopancreatography Mirabilite Chronic pancreatitis Post-endoscopic retrograde cholangiopancreatography pancreatitis Randomized controlled trial

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Efficacy and safety of endoscopic retrograde cholangiopancreatography in recurrent pancreatitis of pediatric asparaginase-associated pancreatitis

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World Journal of Gastrointestinal Endoscopy 2023年第10期15卷 614-622页

作者： Kai-Hua Yang jing-qing zeng Sheng Ding Tian-Ao Zhang Wen-Yu Wang Jia-Yu Zhang Lan Wang Jian Xiao Biao Gong Zhao-Hui Deng Department of Gastroenterology Shanghai Children’s Medical CenterShanghai Jiao Tong University School of MedicineShanghai 200127China Department of Gastroenterology Shanghai Shuguang HospitalShanghai University of Traditional Chinese MedicineShanghai 200120China

BACKGROUND Asparaginase(ASP)is an important drug in combined chemotherapy regimens for pediatric acute lymphoblastic leukemia(ALL);ASP-associated pancreatitis(AAP)is the main adverse reaction of *** pancreatitis is a complication of AAP,for which medication is *** To evaluate the efficacy and safety of endoscopic retrograde cholangiopancreatography(ERCP)in treating recurrent pancreatitis due to *** From May 2018 to August 2021,ten children(five males and five females;age range:4–13 years)with AAP were treated using ERCP due to recurrent *** data of the ten children were collected,including their sex,age,weight,ALL risk grading,clinical symptoms at the onset of pancreatitis,time from the first pancreatitis onset to ERCP,ERCP operation status,and postoperative *** symptomatic relief,weight change,and number of pancreatitis onsets before and after ERCP were *** The preoperative symptoms were abdominal pain,vomiting,inability to eat,weight loss of 2-7 kg,and 2-9 pancreatitis *** the operation,nine of ten patients did not develop pancreatitis,had no abdominal pain,could eat normally;the remaining patient developed three pancreatitis onsets due to the continuous administration of ASP,but eating was not *** postoperative weight gain was 1.5-8 *** was one case of post ERCP pancreatitis and two cases of postoperative infections;all recovered after *** ERCP improved clinical symptoms and reduced the incidence of pancreatitis,and was shown to be a safe and effective method for improving the management of recurrent pancreatitis due to AAP.

关键词： Acute lymphoblastic leukemia Asparaginase Endoscopic retrograde cholangiopancreatography Pancreatic pseudocyst Recurrent pancreatitis Children

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Enhanced autophagic clearance of amyloid-βvia histone deacetylase 6-mediated V-ATPase assembly and lysosomal acidification protects against Alzheimer's disease in vitro and in vivo

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Neural Regeneration Research 2025年第9期20卷 2633-2644页

作者： Zhimin Long Chuanhua Ge Yueyang Zhao Yuanjie Liu qinghua zeng qing Tang Zhifang Dong Guiqiong He Institute of Neuroscience School of Basic Medical SciencesChongqing Medical UniversityChongqingChina Department of Anatomy Chongqing Medical UniversityChongqingChina Department of Physiology Chongqing Medical UniversityChongqingChina Pediatric Research Institute Children’s Hospital of Chongqing Medical UniversityChongqingChina Ministry of Education Key Laboratory of Child Development and Disorders Children’s Hospital of Chongqing Medical UniversityChongqingChina National Clinical Research Center for Child Health and Disorders Children’s Hospital of Chongqing Medical UniversityChongqingChina Chongqing Key Laboratory of Child Neurodevelopment and Cognitive Disorders Children’s Hospital of Chongqing Medical UniversityChongqingChina

Recent studies have suggested that abnormal acidification of lysosomes induces autophagic accumulation of amyloid-βin neurons,which is a key step in senile plaque ***,resto ring normal lysosomal function and rebalancing lysosomal acidification in neurons in the brain may be a new treatment strategy for Alzheimer's *** acetylation/deacetylation plays a central role in lysosomal ***,we show that inhibiting the classic microtubule deacetylase histone deacetylase 6 with an histone deacetylase 6 shRNA or thehistone deacetylase 6 inhibitor valproic acid promoted lysosomal reacidification by modulating V-ATPase assembly in Alzheimer's *** rthermore,we found that treatment with valproic acid markedly enhanced *** clearance of amyloid-βaggregates,and ameliorated cognitive deficits in a mouse model of Alzheimer's *** findings demonstrate a previously unknown neuroprotective mechanism in Alzheimer's disease,in which histone deacetylase 6 inhibition by valproic acid increases V-ATPase assembly and lysosomal acidification.

关键词： Alzheimer's disease amyloid-β APP/PS1 mice autophagy cognitive impairment histone deacetylase 6 lysosomal acidification microtubule acetylation valproic acid V-ATPase

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Surface embedded binary Co-Cu hydroxy phosphate over surface of oxy/hydroxides for efficient nitrate reduction to ammonia

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Nano Research 2025年第1期18卷 195-207页

作者： Chun Zhu Yifei Yang Yike jing Zhen zeng Xuesong Yi Wei Sun Fei Yang Key Laboratory of Agro-Forestry Environmental Processes and Ecological Regulation of Hainan Province School of Environmental Science and EngineeringHainan UniversityHaikou 570228China

Electrochemical nitrate reduction reaction(NO3RR)to ammonia is a promising approach to address excess Ncontamination in aqueous environment but suffers from a limited ammonia yield and selectivity due to the low concentration and sluggish *** work reports a three-dimensional porous electrode with binary Co_(2)Cu_(1)hydroxy phosphate embedded into the surface of Ni_(3)Co_(1)oxy/hydroxides(CoCu-PH@NiCo/Ni,“PH”means phosphate-hydroxide),which delivers a yield of 4.13 mg·h^(-1)·cm^(-2)with a high Faraday efficiency of 92.6%under a low nitrate concentration of 40 mM and provide an impressive *** embedded structure of the as-prepared catalyst exhibits unique metal coordination ligands and valence states different from the unitary *** electrochemical in situ infrared spectra and theoretical calculations revealed that the Co sites with the ability to dissociate water molecular to form adsorbed OH*can effectively provide the required protons for the deoxygenation and hydrogenation steps during NO3-conversion,thereby,effectively reducing the energy barrier of the key transition states in the NO3RR process to improve the intrinsic *** demonstrate that the rational design of binary components with the appropriate ability to activate water molecules as well as the threedimensional porous skeletal structure are expected to promote effectively the low-concentration nitrates conversion to ammonia.

关键词： nitrate reduction hydroxy phosphate surface embedded water dissociation active hydroxy adsorbed

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Repetitive traumatic brain injury–induced complement C1–related inflammation impairs long-term hippocampal neurogenesis

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Neural Regeneration Research 2025年第3期20卷 821-835页

作者： jing Wang Bing Zhang Lanfang Li Xiaomei Tang Jinyu zeng Yige Song Chao Xu Kai Zhao Guoqiang Liu Youming Lu Xinyan Li Kai Shu Department of Neurosurgery Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhanHubei ProvinceChina Department of Neurosurgery Shanxi Bethune HospitalShanxi Academy of Medical SciencesTongji Shanxi HospitalThird Hospital of Shanxi Medical UniversityTaiyuanShanxi ProvinceChina Department of Pathophysiology School of Basic Medicine and Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanHubei ProvinceChina Institute for Brain Research Wuhan Center of Brain ScienceHuazhong University of Science and TechnologyWuhanHubei ProvinceChina Department of Graduate Student Chongqing Medical UniversityChongqingChina Department of Basic Medicine School of Medical ScienceHubei University for NationalitiesEnshiHubei ProvinceChina Department of Anatomy School of Basic Medicine and Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanHubei ProvinceChina

Repetitive traumatic brain injury impacts adult neurogenesis in the hippocampal dentate gyrus,leading to long-term cognitive ***,the mechanism underlying this neurogenesis impairment remains *** this study,we established a male mouse model of repetitive traumatic brain injury and performed long-term evaluation of neurogenesis of the hippocampal dentate gyrus after repetitive traumatic brain *** results showed that repetitive traumatic brain injury inhibited neural stem cell proliferation and development,delayed neuronal maturation,and reduced the complexity of neuronal dendrites and *** with repetitive traumatic brain injuryalso showed deficits in spatial memory ***,following repetitive traumatic brain injury,neuroinflammation was enhanced in the neurogenesis microenvironment where C1q levels were increased,C1q binding protein levels were decreased,and canonical Wnt/β-catenin signaling was *** inhibitor of C1 reversed the long-term impairment of neurogenesis induced by repetitive traumatic brain injury and improved neurological *** findings suggest that repetitive traumatic brain injury–induced C1-related inflammation impairs long-term neurogenesis in the dentate gyrus and contributes to spatial memory retrieval dysfunction.

关键词： complement C1 dendrite dentate gyrus hippocampus neural stem cell neurogenesis neuroinflammation neurological function neuron traumatic brain injury

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The complex roles of m^(6)A modifications in neural stem cell proliferation, differentiation, and self-renewal and implications for memory and neurodegenerative diseases

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Neural Regeneration Research 2025年第6期20卷 1582-1598页

作者： Yanxi Li jing Xue Yuejia Ma Ke Ye Xue Zhao Fangliang Ge Feifei Zheng Lulu Liu Xu Gao Dayong Wang qing Xia Department of Biochemistry and Molecular Biology College of Basic Medical SciencesHarbin Medical UniversityHarbinHeilongjiang ProvinceChina College of Basic Medical Sciences Harbin Medical UniversityHarbinHeilongjiang ProvinceChina Basic Medical Institute Heilongjiang Academy of Medical SciencesHarbinHeilongjiang ProvinceChina Key Laboratory of Heilongjiang Province for Genetically Modified Animals Harbin Medical UniversityHarbinHeilongjiang ProvinceChina Translational Medicine Research and Cooperation Center of Northern China Heilongjiang Academy of Medical SciencesHarbinHeilongjiang ProvinceChina Dongzhimen Hospital Beijing University of Chinese MedicineBeijingChina

N6-methyladenosine(m^(6)A), the most prevalent and conserved RNA modification in eukaryotic cells, profoundly influences virtually all aspects of mRNA metabolism. mRNA plays crucial roles in neural stem cell genesis and neural regeneration, where it is highly concentrated and actively involved in these processes. Changes in m^(6)A modification levels and the expression levels of related enzymatic proteins can lead to neurological dysfunction and contribute to the development of neurological diseases. Furthermore, the proliferation and differentiation of neural stem cells, as well as nerve regeneration, are intimately linked to memory function and neurodegenerative diseases. This paper presents a comprehensive review of the roles of m^(6)A in neural stem cell proliferation, differentiation, and self-renewal, as well as its implications in memory and neurodegenerative diseases. m^(6)A has demonstrated divergent effects on the proliferation and differentiation of neural stem cells. These observed contradictions may arise from the time-specific nature of m^(6)A and its differential impact on neural stem cells across various stages of development. Similarly, the diverse effects of m^(6)A on distinct types of memory could be attributed to the involvement of specific brain regions in memory formation and recall. Inconsistencies in m^(6)A levels across different models of neurodegenerative disease, particularly Alzheimer's disease and Parkinson's disease, suggest that these disparities are linked to variations in the affected brain regions. Notably, the opposing changes in m^(6)A levels observed in Parkinson's disease models exposed to manganese compared to normal Parkinson's disease models further underscore the complexity of m^(6)A's role in neurodegenerative processes. The roles of m^(6)A in neural stem cell proliferation, differentiation, and self-renewal, and its implications in memory and neurodegenerative diseases, appear contradictory. These inconsistencies may be a

关键词： Alzheimer's disease cell self-renewal central nervous system memory microglia nerve regeneration neurodegenerative diseases neurogenesis RNA methylation

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艾灸调节circ Pan3/mi R-667-5p/Ghrelin信号通路减轻膝骨关节炎大鼠的软骨病变

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中国组织工程研究 2025年第12期29卷 2475-2483页

作者：廖晴曾静陈峻袁立霞刘刚南方医科大学中医药学院广东省广州市510000 南方科技大学医院广东省深圳市518000 南方医科大学南方医院康复科广东省广州市510000

背景:既往研究表明艾灸能减轻膝骨关节炎软骨病变,延缓膝骨关节炎进展;课题组前期研究中发现调控circPan3/miR-667-5p/Ghrelin信号通路可增强软骨细胞自噬水平,从而在膝骨关节炎中发挥软骨保护作用。目的:基于circPan3/miR-667-5p/Ghre... 详细信息

背景:既往研究表明艾灸能减轻膝骨关节炎软骨病变,延缓膝骨关节炎进展;课题组前期研究中发现调控circPan3/miR-667-5p/Ghrelin信号通路可增强软骨细胞自噬水平,从而在膝骨关节炎中发挥软骨保护作用。目的:基于circPan3/miR-667-5p/Ghrelin信号通路探究艾灸对大鼠膝骨关节炎软骨的影响。方法:SD大鼠随机分为假手术组、模型组和艾灸组(n=10),对后2组大鼠行右后肢膝关节前交叉韧带横断和内侧半月板部分切除术建立膝骨关节炎大鼠模型;假手术组大鼠仅接受关节囊切开术。6周后,艾灸组大鼠每日艾灸“足三里”“肾俞”穴区20 min,持续4周,其余2组不予以特殊处理。4周后通过组织病理学染色观察膝关节滑膜病变和软骨损伤程度,通过酶联免疫吸附实验检测血清中炎症因子白细胞介素6和肿瘤坏死因子α的变化。此外,取上述3组大鼠右侧膝关节软骨细胞分为:正常对照组、模型组和艾灸组,通过Western blot和qRT-PCR检测各组细胞中软骨基质合成代谢分子(Ⅱ型胶原蛋白和Sox9)、基质降解分子(基质金属蛋白酶13和ADAMTS5)、自噬标志物(ATG5、Beclin-1、微管相关蛋白1轻链3)、Ghrelin、CircPan3以及miR-667-5P的表达水平。结果与结论:①治疗4周后,相对于假手术组,模型组大鼠滑膜显著增厚,炎症细胞浸润显著,关节间隙狭窄,软骨表面粗糙不平,变薄,软骨细胞数量减少,滑膜炎和OARSI评分显著升高,白细胞介素6和肿瘤坏死因子α水平明显上调(P<0.0001);与模型组相比,艾灸组滑膜增厚减轻,炎症细胞浸润减少,关节间隙增宽,软骨更光滑完整、变厚,软骨细胞数量增多,滑膜炎和OARSI评分降低,白细胞介素6和肿瘤坏死因子α水平显著降低(P<0.0001)。②体外实验结果表明,与正常对照组相比,模型组软骨细胞基质金属蛋白酶13、ADAMTS5和miR-667-5P表达增多,Ⅱ型胶原蛋白、Sox9、自噬标志物、Ghrelin和Circpan3表达减少(P<0.01);与模型组相比,艾灸可逆转上述指标改变(P<0.01)。③结果说明艾灸可能通过调节circPan3/miR-667-5p/Ghrelin信号通路增强软骨细胞自噬,抑制膝骨关节炎炎症和软骨破坏,对软骨发挥保护作用。

关键词：膝骨关节炎艾灸 ghrelin 软骨自噬大鼠信号通路

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Construction of two-dimensional(2D) H-bonded supramolecular nanostructures studied by STM

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Chinese Chemical Letters 2013年第3期24卷 177-182页

作者： jing Xu qing-Dao zeng National Center for Nanoscience and Technology(NCNST)

In this review, a group ot two-dimensional （2D） hydrogen-bonded supramolecular networks developed in our laboratory are discussed. Our attention is mainly focused on：（1） recognition of Fe3＋ through twocomponent molecular networks; （2） site-selective fabrication of 2D fullerene arrays; and （3） fabrication of the nanoporous structure regulated by photoisomerization reaction process. It is envisioned that special supramolecular nanostructures, through H-bonding interactions, can be constructed or reconstructed to be further investigated toward the research of multi-component systems, molecule recognition, single molecular switches, and host-guest supramolecular chemistry.

关键词： Scanning tunneling microscopy (STM)Self-assemblySupramolecular networkHydrogen bonds

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