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The first mitogenome of Lauraceae(Cinnamomum chekiangense)

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Plant Diversity 2024年第1期46卷 144-148页

作者： Changwei Bi Ning Sun Fuchuan Han Kewang Xu Yong Yang David K.Ferguson State Key Laboratory of Tree genetics and Breeding Co-Innovation Center for Sustainable Forestry in Southern ChinaKey Laboratory of Tree Genetics and Biotechnology of Educational Department of ChinaKey Laboratory of Tree Genetics and Silvicultural Sciences of Jiangsu ProvinceNanjing Forestry UniversityNanjing 210037China College of Information Science and Technology Nanjing Forestry UniversityNanjing 210037China Research Institute of Subtropical Forestry Chinese Academy of ForestryHangzhou 311400China Co-Innovation Center for Sustainable Forestry in Southern China College of Life SciencesNanjing Forestry UniversityNanjing 210037China department of Paleontology University of ViennaViennaAustria

There are three distinct genetic systems in higher plants,the dominant nuclear genome and the semi-autonomous organelle genomes(plastids and mitochondria).In contrast to the conserved plastid genome(plastome),the plant mitochondrial genome(mitogenome)is characterized by an intriguing“evolutionary paradox”distinguished by a remarkably low mutation rate but with a significantly high rearrangement rate(Palmer and Herbon,1988;Lai et al.,2022).

关键词： autonomous distinguished Palmer

Therapeutic potential and pharmacological mechanism of visnagin

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Journal of Integrative Medicine 2024年第4期22卷 399-412页

作者： Poonam Yadav Sumeet Kumar Singh Sayantap Datta Saloni Verma Aarti Verma Arnab Rakshit Anjana Bali Jasvinder Singh Bhatti Amit Khurana Umashanker Navik department of Pharmacology School of Health SciencesCentral University of PunjabBathindaPunjab 151401India department of Pharmacological and Pharmaceutical Sciences College of PharmacyUniversity of HoustonHoustonTX 77204-5000USA department of Human genetics and Molecular Medicine School of Health SciencesCentral University of PunjabBathindaPunjab 151401India

Visnagin is a furanochromone and one of the most important compound in the Ammi visnaga(L.)Lam(a synonym of Visnaga daucoides Gaertn.)plant,which is used to cure various *** investigations into the bioactive properties of visnagin have been studied to *** literature on visnagin demonstrates its biological properties,including anti-inflammatory,anti-diabetic,and beneficial effects in cardiovascular and renal ***,visnagin improves sperm quality parameters,stimulates steroidogenesis,and increases serum gonadotropins and testosterone levels,while decreasing proinflammatory cytokines,oxidative damage,genomic instability,and it modulates ***,visnagin has emerged as an exciting lead for further research,owing to its potential in various unmet clinical *** current review summarized its basic structure,pharmacokinetics,and pharmacological effects,focusing on its mechanisms of *** review will help to understand the potential of visnagin as an alternative treatment strategy for several diseases and provide insight into research topics that need further exploration for visnagin’s safe clinical use.

关键词： Visnagin Phytochemical Anti-inflammatory Ammi visnaga L. Visnaga daucoides Gaertn Cancer

Resident immune responses to spinal cord injury:role of astrocytes and microglia

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Neural Regeneration Research 2024年第8期19卷 1678-1685页

作者： Sydney Brockie Cindy Zhou Michael G.Fehlings Division of genetics and Development Krembil Research InstituteUniversity Health NetworkTorontoONCanada Institute of Medical Science University of TorontoTorontoONCanada Division of Neurosurgery and Spine Program Department of SurgeryUniversity of TorontoTorontoONCanada

Spinal cord injury can be traumatic or non-traumatic in origin,with the latter rising in incidence and prevalence with the aging demographics of our *** r,as the global population ages,individuals with co-existent degenerative spinal pathology comprise a growing number of traumatic spinal cord injury cases,especially involving the cervical spinal *** makes recovery and treatment approaches particula rly challenging as age and comorbidities may limit regenerative *** these reasons,it is critical to better understand the complex milieu of spinal cord injury lesion pathobiology and the ensuing inflammatory *** review discusses microglia-specific purinergic and cytokine signaling pathways,as well as microglial modulation of synaptic stability and plasticity after ***,we evaluate the role of astrocytes in neurotransmission and calcium signaling,as well as their border-forming response to neural *** the inflammatory and reparative roles of these cells have eluded our complete understanding and remain key therapeutic targets due to their extensive structural and functional roles in the nervous *** advances have shed light on the roles of glia in neurotransmission and reparative injury responses that will change how interventions are *** key processes and existing knowledge gaps will allow future research to effectively target these cells and harness their regenerative potential.

关键词： astrocytes glial signaling microglia spinal cord injury synaptic transmission

Gut microbiota-dependent phenylacetylglutamine in cardiovascular disease:current knowledge and new insights

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Frontiers of Medicine 2024年第1期18卷 31-45页

作者： Yaonan Song Haoran Wei Zhitong Zhou Huiqing Wang Weijian Hang Junfang Wu Dao Wen Wang Division of Cardiology Department of Internal MedicineTongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan430030China Hubei Key Laboratory of genetics and Molecular Mechanisms of Cardiological Disorders Wuhan430030China

Phenylacetylglutamine(PAGln)is an amino acid derivate that comes from the amino acid *** are increasing studies showing that the level of PAGln is associated with the risk of different cardiovascular *** this review,we discussed the metabolic pathway of PAGln production and the quantitative measurement methods of *** summarized the epidemiological evidence to show the role of PAGln in diagnostic and prognostic value in several cardiovascular diseases,such as heart failure,coronary heart disease/atherosclerosis,and cardiac *** underlying mechanism of PAGln is now considered to be related to the thrombotic potential of platelets via adrenergic ***,other possible mechanisms such as inflammatory response and oxidative stress could also be induced by ***,since PAGln is produced across different organs including the intestine,liver,and kidney,the cross-talk among multiple organs focused on the function of this uremic toxic ***,the prognostic value of PAGln compared to the classical biomarker was discussed and we also highlighted important gaps in knowledge and areas requiring future investigation of PAGln in cardiovascular diseases.

关键词： PAGln cardiovascular disease gut microbiota uremic metabolite biomarker

lncRNA ZNF593-AS inhibits cardiac hypertrophy and myocardial remodeling by upregulating Mfn2 expression

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Frontiers of Medicine 2024年第3期18卷 484-498页

作者： Xiang Nie Jiahui Fan Yanwen Wang Rong Xie Chen Chen Huaping Li Dao Wen Wang Division of Cardiology Department of Internal MedicineTongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan430030China Hubei Key Laboratory of genetics and Molecular Mechanisms of Cardiological Disorders Wuhan430030China

lncRNA ZNF593 antisense(ZNF593-AS)transcripts have been implicated in heart failure through the regulation of myocardial *** decreased transcriptional activity of ZNF593-AS has also been detected in cardiac ***,the function of ZNF593-AS in cardiac hypertrophy remains ***,we report that the expression of ZNF593-AS reduced in a mouse model of left ventricular hypertrophy and cardiomyocytes in response to treatment with the hypertrophic agonist phenylephrine(PE).In vivo,ZNF593-AS aggravated pressure overload–induced cardiac hypertrophy in knockout *** contrast,cardiomyocyte-specific transgenic mice(ZNF593-AS MHC-Tg)exhibited attenuated TAC-induced cardiac *** vitro,vector-based overexpression using murine or human ZNF593-AS alleviated PE-induced myocyte hypertrophy,whereas GapmeR-induced inhibition aggravated hypertrophic *** using RNA-seq and gene set enrichment analyses,we identified a link between ZNF593-AS and oxidative phosphorylation and found that mitofusin 2(Mfn2)is a direct target of ***593-AS exerts an antihypertrophic effect by upregulating Mfn2 expression and improving mitochondrial ***,it represents a promising therapeutic target for combating pathological cardiac remodeling.

关键词： lncRNA ZNF593-AS cardiac hypertrophy Mfn2 oxidative phosphorylation

Promising dawn in tumor microenvironment therapy:engineering oral bacteria

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International Journal of Oral Science 2024年第2期16卷 208-224页

作者： Zifei Wang Wansu Sun Ruixue Hua Yuanyin Wang Yang Li Hengguo Zhang Key Laboratory of Oral Diseases Research of Anhui Province College&Hospital of StomatologyAnhui Medical UniversityHefeiChina department of Stomatology The First Affiliated Hospital of Anhui Medical UniversityHefeiChina department of genetics School of Life ScienceAnhui Medical UniversityHefeiChina

Despite decades of research,cancer continues to be a major global health *** human mouth appears to be a multiplicity of local environments communicating with other organs and causing diseases via ***,the role of oral microbes in the development and progression of cancer has received increasing *** the same time,bioengineering technology and nanotechnology is growing rapidly,in which the physiological activities of natural bacteria are modified to improve the therapeutic efficiency of *** engineered bacteria were transformed to achieve directed genetic reprogramming,selective functional reorganization and precise *** contrast to endotoxins produced by typical genetically modified bacteria,oral flora exhibits favorable biosafety *** outline the current cognitions upon oral microbes,engineered microbes and human cancers,related literatures were searched and reviewed based on the PubMed *** focused on a number of oral microbes and related mechanisms associated with the tumor microenvironment,which involve in cancer occurrence and *** engineering oral bacteria can be a possible application of cancer therapy is worth consideration.A deeper understanding of the relationship between engineered oral bacteria and cancer therapy may enhance our knowledge of tumor pathogenesis thus providing new insights and strategies for cancer prevention and treatment.

关键词： prevention organs precise

The Role of KDM2A and H3K36me2 Demethylation in Modulating MAPK Signaling During Neurodevelopment

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Neuroscience Bulletin 2024年第8期40卷 1076-1092页

作者： Zongyao Ren Haiyan Tang Wendiao Zhang Minghui Guo Jingjie Cui Hua Wang Bin Xie Jing Yu Yonghao Chen Ming Zhang Cong Han Tianyao Chu Qiuman Liang Shunan Zhao Yingjie Huang Xuelian He Kefu Liu Chunyu Liu Chao Chen Center for Medical genetics&Hunan Key Laboratory of Medical genetics School of Life Sciencesand Department of PsychiatryThe Second Xiangya HospitalCentral South UniversityChangsha 410028China National Clinical Research Center on Mental Disorders The Second Xiangya HospitalCentral South UniversityChangsha 410028China National Clinical Research Center for Geriatric Disorders Xiangya HospitalCentral South UniversityChangsha 410011China Furong Laboratory Changsha 410000China department of Psychiatry SUNY Upstate Medical UniversitySyracuseNY 13210USA Precision Medical Center Wuhan Children's Hospital(Wuhan Maternal and Child Healthcare Hospital)Tongji Medical CollegeHuazhong University of Science&TechnologyWuhan 430014China department of Medical genetics Hunan Children's HospitalChangsha 410007China

Intellectual disability(ID)is a condition characterized by cognitive impairment and difficulties in adaptive *** our research,we identified two de novo mutations(c.955C>T and c.732C>A)at the KDM2A locus in individuals with varying degrees of *** addition,by using the Gene4Denovo database,we discovered five additional cases of de novo mutations in *** mutations we identified significantly decreased the expression of the KDM2A *** investigate the role of KDM2A in neural development,we used both 2D neural stem cell models and 3D cerebral *** findings demonstrated that the reduced expression of KDM2A impairs the proliferation of neural progenitor cells(NPCs),increases apoptosis,induces premature neuronal differentiation,and affects synapse *** ChIP-Seq analysis,we found that KDM2A exhibited binding to the transcription start site regions of genes involved in *** addition,the knockdown of KDM2A hindered H3K36me2 binding to the downstream regulatory elements of *** integrating ChIP-Seq and RNA-Seq data,we made a significant discovery of the core genes'remarkable enrichment in the MAPK signaling ***,this enrichment was specifically linked to the p38 MAPK ***,disease enrichment analysis linked the differentially-expressed genes identified from RNA-Seq of NPCs and cerebral organoids to neurodevelopmental disorders such as ID,autism spectrum disorder,and ***,our findings suggest that KDM2A plays a crucial role in regulating the H3K36me2 modification of downstream genes,thereby modulating the MAPK signaling pathway and potentially impacting early brain development.

关键词： Intellectual disability KDM2A Neurodevelopmental disorder Cerebral organoids

Identific tion of quantitative trait loci and associated candidate genes for pregnancy success in Angus–Brahman crossbred heifers

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Journal of Animal Science and Biotechnology 2024年第1期15卷 162-170页

作者： Quinn A.Hoorn Gabriel A.Zayas Eduardo E.Rodriguez Laura M.Jensen Raluca G.Mateescu Peter J.Hansen department of Animal Sciences Donald Henry Barron Reproductive and Perinatal Biology Research Programand the Genetics InstituteUniversity of FloridaGainesvilleFLUSA School of Applied Systems Biology La Trobe UniversityBundooraVIC 3083Australia

Background In beef cattle, more than 50% of the energy input to produce a unit of beef is consumed by the female that produced the calf. Development of genomic tools to identify females with high genetic merit for reproductive function could increase the profitability and sustainability of beef *** Genome-wide association studies(GWAS) were performed using a single-step genomic best linear unbiased prediction approach on pregnancy outcome traits from a population of Angus–Brahman crossbred heifers. Furthermore, a validation GWAS was performed using data from another farm. Heifers were genotyped with the Bovine GGP F250 array that contains 221,077 SNPs. In the discovery population, heifers were bred in winter breeding seasons involving a single round of timed artificial insemination(AI) followed by natural mating for 3 months. Two phenotypes were analyzed: pregnancy outcome to first-service AI(PAI;n = 1,481) and pregnancy status at the end of the breeding season(PEBS;n = 1,725). The heritability was estimated as 0.149 and 0.122 for PAI and PEBS, respectively. In the PAI model, one quantitative trait locus(QTL), located between 52.3 and 52.5 Mb on BTA7, explained about 3% of the genetic variation, in a region containing a cluster of γ-protocadherin genes and SLC25A2. Other QTLs explaining between 0.5% and 1% of the genetic variation were found on BTA12 and 25. In the PEBS model, a large QTL on BTA7 was synonymous with the QTL for PAI, with minor QTLs located on BTA5, 9, 10, 11, 19, and 20. The validation population for pregnancy status at the end of the breeding season were Angus–Brahman crossbred heifers bred by natural mating. In concordance with the discovery population, the large QTL on BTA7 and QTLs on BTA10 and 12 were *** In summary, QTLs and candidate SNPs identified were associated with pregnancy outcomes in beef heifers, including a large QTL associated with a group of protocadherin genes. Confirmation of these associations

关键词： Beef cattle Fertility GWAS QTL

Controversies regarding transplantation of mesenchymal stem cells

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World Journal of Transplantation 2024年第2期14卷 48-61页

作者： Tsvetelina Velikova Tereza Dekova Dimitrina Georgieva Miteva department of Medical Faculty Sofia University St.Kliment OhridskiSofia 1407Bulgaria department of genetics Faculty of BiologySofia University St.Kliment OhridskiSofia 1164Bulgaria

Mesenchymal stem cells(MSCs)have tantalized regenerative medicine with their therapeutic potential,yet a cloud of controversies looms over their clinical *** comprehensive review navigates the intricate landscape of MSC controversies,drawing upon 15 years of clinical experience and *** delve into the fundamental properties of MSCs,exploring their unique immuno-modulatory capabilities and surface *** heart of our inquiry lies in the controversial applications of MSC transplantation,including the perennial debate between autologous and allogeneic sources,concerns about efficacy,and lingering safety ***,we unravel the enigmatic mechanisms surro-unding MSC transplantation,such as homing,integration,and the delicate balance between differentiation and paracrine *** also assess the current status of clinical trials and the ever-evolving regulatory *** we peer into the future,we examine emerging trends,envisioning personalized medicine and innovative delivery *** review provides a balanced and informed perspective on the controversies,offering readers a clear understanding of the complexities,challenges,and potential solutions in MSC transplantation.

关键词： Mesenchymal stem cells Transplantation controversies Regenerative medicine Autoimmune diseases Chronic inflammatory illnesses Tumor growth Metastasis Therapeutic potential Clinical use of mesenchymal stem cell