{"title":"The effect of the demographic history on the evolution of senescence: A potential new test of the mutation accumulation theory","authors":"Guillaume Péron","doi":"10.1016/j.mad.2024.111927","DOIUrl":"10.1016/j.mad.2024.111927","url":null,"abstract":"<div><p>The different evolutionary theories of senescence predict different directions for the correlation between the population size and the intensity of senescence. Using simulations, I highlighted how the effect of the population size on the intensity of senescence could be reinforced by the time since populations have been large or small. I devised a mutation-selection model in which the effect of the mutations was age-specific. Several small populations diverged from a same large population at different points in time. At the end of the simulation, the correlation between the time since the populations had been small and the rate of senescence was positive under the mutation accumulation theory and negative under the antagonistic pleiotropy theory. The phenomenon was strong enough to reverse the usually negative relationship between the intensity of senescence and the generation time. These mutually-exclusive predictions could help broaden the taxonomic support for the mutation accumulation theory of senescence, currently mostly supported in humans and lab invertebrates. I briefly mention a few potential applications in real-life systems.</p></div>","PeriodicalId":18340,"journal":{"name":"Mechanisms of Ageing and Development","volume":"219 ","pages":"Article 111927"},"PeriodicalIF":5.3,"publicationDate":"2024-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140158462","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Maja Šetinc , Željka Celinšćak , Luka Bočkor , Matea Zajc Petranović , Anita Stojanović Marković , Marijana Peričić Salihović , Joris Deelen , Tatjana Škarić-Jurić
{"title":"The role of longevity-related genetic variant interactions as predictors of survival after 85 years of age","authors":"Maja Šetinc , Željka Celinšćak , Luka Bočkor , Matea Zajc Petranović , Anita Stojanović Marković , Marijana Peričić Salihović , Joris Deelen , Tatjana Škarić-Jurić","doi":"10.1016/j.mad.2024.111926","DOIUrl":"10.1016/j.mad.2024.111926","url":null,"abstract":"<div><p>Genome-wide association studies and candidate gene studies have identified several genetic variants that might play a role in achieving longevity. This study investigates interactions between pairs of those single nucleotide polymorphisms (SNPs) and their effect on survival above the age of 85 in a sample of 327 Croatian individuals. Although none of the SNPs individually showed a significant effect on survival in this sample, 14 of the 359 interactions tested (between SNPs not in LD) reached the level of nominal significance (p<0.05), showing a potential effect on late-life survival. Notably, <em>SH2B3</em> rs3184504 interacted with different SNPs near <em>TERC</em>, <em>TP53</em> rs1042522 with different SNPs located near the <em>CDKN2B</em> gene, and <em>CDKN2B</em> rs1333049 with different SNPs in <em>FOXO3</em>, as well as with <em>LINC02227</em> rs2149954. The other interaction pairs with a possible effect on survival were <em>FOXO3</em> rs2802292 and <em>ERCC2</em> rs50871, <em>IL6</em> rs1800795 and <em>GHRHR</em> rs2267723, <em>LINC02227</em> rs2149954 and <em>PARK7</em> rs225119, as well as <em>PARK7</em> rs225119 and <em>PTPN1</em> rs6067484. These interactions remained significant when tested together with a set of health-related variables that also had a significant effect on survival above 85 years. In conclusion, our results confirm the central role of genetic regulation of insulin signalling and cell cycle control in longevity.</p></div>","PeriodicalId":18340,"journal":{"name":"Mechanisms of Ageing and Development","volume":"219 ","pages":"Article 111926"},"PeriodicalIF":5.3,"publicationDate":"2024-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0047637424000265/pdfft?md5=9104fa7f88299f2be2e88baf6a5738fd&pid=1-s2.0-S0047637424000265-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140131864","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ajla Hodzic Kuerec , Weilan Wang , Lin Yi , Rongsheng Tao , Zhigang Lin , Aditi Vaidya , Sohal Pendse , Sornaraja Thasma , Niranjan Andhalkar , Ganesh Avhad , Vidyadhar Kumbhar , Andrea B. Maier
{"title":"Towards personalized nicotinamide mononucleotide (NMN) supplementation: Nicotinamide adenine dinucleotide (NAD) concentration","authors":"Ajla Hodzic Kuerec , Weilan Wang , Lin Yi , Rongsheng Tao , Zhigang Lin , Aditi Vaidya , Sohal Pendse , Sornaraja Thasma , Niranjan Andhalkar , Ganesh Avhad , Vidyadhar Kumbhar , Andrea B. Maier","doi":"10.1016/j.mad.2024.111917","DOIUrl":"https://doi.org/10.1016/j.mad.2024.111917","url":null,"abstract":"<div><p>Nicotinamide mononucleotide (NMN) is a precursor of nicotinamide adenine dinucleotide (NAD), which declines with age. Supplementation of NMN has been shown to improve blood NAD concentration. However, the optimal NMN dose remains unclear. This is a post-hoc analysis of a double-blinded clinical trial involving 80 generally healthy adults aged 40–65 years. The participants received a placebo or daily 300 mg, 600 mg, or 900 mg NMN for 60 days. Blood NAD concentration, blood biological age, homeostatic model assessment for insulin resistance, 6-minute walk test, and 36-item short-form survey (SF-36) were measured at baseline and after supplement. A significant dose-dependent increase in NAD concentration change (NAD<sub>Δ</sub>) was observed following NMN supplementation, with a large coefficient of variation (29.2–113.3%) within group. The increase in NAD<sub>Δ</sub> was associated with an improvement in the walking distance of 6-minute walk test and the SF-36 score. The median effect dose of NAD<sub>Δ</sub> for the 6-minute walk test and SF-36 score was 15.7 nmol/L (95% CI: 10.9–20.5 nmol/L) and 13.5 nmol/L (95% CI; 10.5–16.5 nmol/L), respectively. Because of the high interindividual variability of the NAD<sub>Δ</sub> after NMN supplementation, monitoring NAD concentration can provide valuable insights for tailoring personalized dosage regimens and optimizing NMN utilization.</p></div>","PeriodicalId":18340,"journal":{"name":"Mechanisms of Ageing and Development","volume":"218 ","pages":"Article 111917"},"PeriodicalIF":5.3,"publicationDate":"2024-02-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0047637424000174/pdfft?md5=596090ef08c0556c0ae9813c959d2a65&pid=1-s2.0-S0047637424000174-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140016076","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Insights into targeting cellular senescence with senolytic therapy: The journey from preclinical trials to clinical practice","authors":"Peng Chen , Yulai Wang , Benhong Zhou","doi":"10.1016/j.mad.2024.111918","DOIUrl":"10.1016/j.mad.2024.111918","url":null,"abstract":"<div><p>Interconnected, fundamental aging processes are central to many illnesses and diseases. Cellular senescence is a mechanism that halts the cell cycle in response to harmful stimuli. Senescent cells (SnCs) can emerge at any point in life, and their persistence, along with the numerous proteins they secrete, can negatively affect tissue function. Interventions aimed at combating persistent SnCs, which can destroy tissues, have been used in preclinical models to delay, halt, or even reverse various diseases. Consequently, the development of small-molecule senolytic medicines designed to specifically eliminate SnCs has opened potential avenues for the prevention or treatment of multiple diseases and age-related issues in humans. In this review, we explore the most promising approaches for translating small-molecule senolytics and other interventions targeting senescence in clinical practice. This discussion highlights the rationale for considering SnCs as therapeutic targets for diseases affecting individuals of all ages.</p></div>","PeriodicalId":18340,"journal":{"name":"Mechanisms of Ageing and Development","volume":"218 ","pages":"Article 111918"},"PeriodicalIF":5.3,"publicationDate":"2024-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139944258","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ozlem Bulut , Godfrey S. Temba , Valerie A.C.M. Koeken , Simone J.C.F.M. Moorlag , L. Charlotte J. de Bree , Vera P. Mourits , Vesla I. Kullaya , Martin Jaeger , Cancan Qi , Niels P. Riksen , Jorge Domínguez-Andrés , Cheng-Jian Xu , Leo A.B. Joosten , Yang Li , Quirijn de Mast , Mihai G. Netea
{"title":"Common and distinct metabolomic markers related to immune aging in Western European and East African populations","authors":"Ozlem Bulut , Godfrey S. Temba , Valerie A.C.M. Koeken , Simone J.C.F.M. Moorlag , L. Charlotte J. de Bree , Vera P. Mourits , Vesla I. Kullaya , Martin Jaeger , Cancan Qi , Niels P. Riksen , Jorge Domínguez-Andrés , Cheng-Jian Xu , Leo A.B. Joosten , Yang Li , Quirijn de Mast , Mihai G. Netea","doi":"10.1016/j.mad.2024.111916","DOIUrl":"https://doi.org/10.1016/j.mad.2024.111916","url":null,"abstract":"<div><p>In old age, impaired immunity causes high susceptibility to infections and cancer, higher morbidity and mortality, and poorer vaccination efficiency. Many factors, such as genetics, diet, and lifestyle, impact aging. This study aimed to investigate how immune responses change with age in healthy Dutch and Tanzanian individuals and identify common metabolites associated with an aged immune profile. We performed untargeted metabolomics from plasma to identify age-associated metabolites, and we correlated their concentrations with <em>ex-vivo</em> cytokine production by immune cells, DNA methylation-based epigenetic aging, and telomere length. Innate immune responses were impacted differently by age in Dutch and Tanzanian cohorts. Age-related decline in steroid hormone precursors common in both populations was associated with higher systemic inflammation and lower cytokine responses. Hippurate and 2-phenylacetamide, commonly more abundant in older individuals, were negatively correlated with cytokine responses and telomere length and positively correlated with epigenetic aging. Lastly, we identified several metabolites that might contribute to the stronger decline in innate immunity with age in Tanzanians. The shared metabolomic signatures of the two cohorts suggest common mechanisms of immune aging, revealing metabolites with potential contributions. These findings also reflect genetic or environmental effects on circulating metabolites that modulate immune responses.</p></div>","PeriodicalId":18340,"journal":{"name":"Mechanisms of Ageing and Development","volume":"218 ","pages":"Article 111916"},"PeriodicalIF":5.3,"publicationDate":"2024-02-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0047637424000162/pdfft?md5=40a7284951bc886f679842b24682f73b&pid=1-s2.0-S0047637424000162-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139744103","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sergio Giunta , Chiara Giordani , Maria De Luca , Fabiola Olivieri
{"title":"Long-COVID-19 autonomic dysfunction: An integrated view in the framework of inflammaging","authors":"Sergio Giunta , Chiara Giordani , Maria De Luca , Fabiola Olivieri","doi":"10.1016/j.mad.2024.111915","DOIUrl":"10.1016/j.mad.2024.111915","url":null,"abstract":"<div><p>The recently identified syndrome known as Long COVID (LC) is characterized by a constellation of debilitating conditions that impair both physical and cognitive functions, thus reducing the quality of life and increasing the risk of developing the most common age-related diseases. These conditions are linked to the presence of symptoms of autonomic dysfunction, in association with low cortisol levels, suggestive of reduced hypothalamic-pituitary-adrenal (HPA) axis activity, and with increased pro-inflammatory condition. Alterations of dopamine and serotonin neurotransmitter levels were also recently observed in LC. Interestingly, at least some of the proposed mechanisms of LC development overlap with mechanisms of Autonomic Nervous System (ANS) imbalance, previously detailed in the framework of the aging process. ANS imbalance is characterized by a proinflammatory sympathetic overdrive, and a concomitant decreased anti-inflammatory vagal parasympathetic activity, associated with reduced anti-inflammatory effects of the HPA axis and cholinergic anti-inflammatory pathway (CAP). These neuro-immune-endocrine system imbalanced activities fuel the vicious circle of chronic inflammation, <em>i.e.</em> inflammaging. Here, we refine our original hypothesis that ANS dysfunction fuels inflammaging and propose that biomarkers of ANS imbalance could also be considered biomarkers of inflammaging, recognized as the main risk factor for developing age-related diseases and the sequelae of viral infections, <em>i.e.</em> LC.</p></div>","PeriodicalId":18340,"journal":{"name":"Mechanisms of Ageing and Development","volume":"218 ","pages":"Article 111915"},"PeriodicalIF":5.3,"publicationDate":"2024-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139735496","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jiahui Liu, Chatrawee Duangjan , Ronald W. Irwin , Sean P. Curran
{"title":"WDR23 mediates NRF2 proteostasis and cytoprotective capacity in the hippocampus","authors":"Jiahui Liu, Chatrawee Duangjan , Ronald W. Irwin , Sean P. Curran","doi":"10.1016/j.mad.2024.111914","DOIUrl":"10.1016/j.mad.2024.111914","url":null,"abstract":"<div><p><span><span><span>Pathogenic brain aging and neurodegenerative diseases such as </span>Alzheimer's disease and Parkinson’s disease are characterized by chronic neuroinflammation and the accumulation of dysfunctional or misfolded proteins that lead to progressive </span>neuronal cell death. Here we demonstrate that a murine model with global loss of the CUL4-DDB1 substrate receptor WDR23 (</span><em>Wdr23KO</em><span>) results in changes in multiple age-related hippocampal-dependent behaviors. The behavioral differences observed in </span><em>Wdr23KO</em><span><span> animals accompany the stabilization of the NRF2/NFE2L2 protein, an increase in RNA transcripts regulated by this cytoprotective transcription factor, and an increase in the steady state level of antioxidant </span>defense proteins<span>. Taken together, these findings reveal a role for WDR23-proteostasis in mediating cytoprotective capacity in the hippocampus and reveal the potential for targeting WDR23-NRF2 signaling interactions for development of therapies for neurodegenerative disorders.</span></span></p></div>","PeriodicalId":18340,"journal":{"name":"Mechanisms of Ageing and Development","volume":"218 ","pages":"Article 111914"},"PeriodicalIF":5.3,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139666934","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The close relationship between oocyte aging and telomere shortening, and possible interventions for telomere protection","authors":"Saffet Ozturk","doi":"10.1016/j.mad.2024.111913","DOIUrl":"10.1016/j.mad.2024.111913","url":null,"abstract":"<div><p>As women delay childbearing due to socioeconomic reasons, understanding molecular mechanisms decreasing oocyte quantity and quality during ovarian aging becomes increasingly important. The ovary undergoes biological aging at a higher pace when compared to other organs. As is known, telomeres play crucial roles in maintaining genomic integrity, and their shortening owing to increased reactive oxygen species, consecutive cellular divisions, genetic and epigenetic alterations is associated with loss of developmental competence of oocytes. Novel interventions such as antioxidant treatments and regulation of gene expression are being investigated to prevent or rescue telomere attrition and thereby oocyte aging. Herein, potential factors and molecular mechanisms causing telomere shortening in aging oocytes were comprehensively reviewed. For the purpose of extending reproductive lifespan, possible therapeutic interventions to protect telomere length were also discussed.</p></div>","PeriodicalId":18340,"journal":{"name":"Mechanisms of Ageing and Development","volume":"218 ","pages":"Article 111913"},"PeriodicalIF":5.3,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139666787","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Elisabete Ferreiro , Mariana Monteiro , Francisco Pereira , Cristina Barroso , Conceição Egas , Paula Macedo , Jorge Valero , Vilma A. Sardão , Paulo J. Oliveira
{"title":"Age-dependent energy metabolism and transcriptome changes in urine-derived stem cells","authors":"Elisabete Ferreiro , Mariana Monteiro , Francisco Pereira , Cristina Barroso , Conceição Egas , Paula Macedo , Jorge Valero , Vilma A. Sardão , Paulo J. Oliveira","doi":"10.1016/j.mad.2024.111912","DOIUrl":"10.1016/j.mad.2024.111912","url":null,"abstract":"<div><p>The global population over 60 years old is projected to reach 1.5 billion by 2050. Understanding age-related disorders and gender-specificities is crucial for a healthy aging. Reliable age-related biomarkers are needed, preferentially obtained through non-invasive methods. Urine-derived stem cells (UDSCs) can be easily obtained, although a detailed bioenergetic characterization, according to the donor aging, remain unexplored. UDSCs were isolated from young and elderly adult women (22–35 and 70–94 years old, respectively). Surprisingly, UDSCs from elderly subjects exhibited significantly higher maximal oxygen consumption and bioenergetic health index than those from younger individuals, evaluated through oxygen consumption rate. Exploratory data analysis methods were applied to engineer a minimal subset of features for the classification and stratification of UDSCs. Additionally, RNAseq of UDSCs was performed to identify age-related transcriptional changes. Transcriptional analysis revealed downregulation of genes related to glucuronidation and estrogen metabolism, and upregulation of inflammation-related genes in UDSCs from elderly individuals. This study demonstrates unexpected differences in the UDSCs’ OCR between young and elderly individuals, revealing improved bioenergetics in concurrent with an aged-like transcriptome signature. UDSCs offer a non-invasive model for studying age-related changes, holding promise for aging research and therapeutic studies.</p></div>","PeriodicalId":18340,"journal":{"name":"Mechanisms of Ageing and Development","volume":"218 ","pages":"Article 111912"},"PeriodicalIF":5.3,"publicationDate":"2024-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0047637424000125/pdfft?md5=27c318b23e96ebea1cf3790fc436fbb9&pid=1-s2.0-S0047637424000125-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139523499","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yue Gao , Lei Xu , Yaru Li , Dandan Qi , Chaofan Wang , Changjiao Luan , Shihui Zheng , Qiu Du , Weili Liu , Guotao Lu , Weijuan Gong , Xingjie Ma
{"title":"Calcium transferring from ER to mitochondria via miR-129/ITPR2 axis controls cellular senescence in vitro and in vivo","authors":"Yue Gao , Lei Xu , Yaru Li , Dandan Qi , Chaofan Wang , Changjiao Luan , Shihui Zheng , Qiu Du , Weili Liu , Guotao Lu , Weijuan Gong , Xingjie Ma","doi":"10.1016/j.mad.2024.111902","DOIUrl":"10.1016/j.mad.2024.111902","url":null,"abstract":"<div><p><span><span>Senescent cells are known to be accumulated in aged organisms. Although the two main characteristics, cell cycle arrest (for dividing cells) and secretion of senescence-associated secretory phenotype (SASP) factors, have been well described, the lack of sufficient senescent markers and incomplete understanding of mechanisms have limited the progress of the anti-senescence field. Calcium transferred from the </span>endoplasmic reticulum<span> (ER) via inositol 1, 4, 5-trisphosphate receptor type 2 (ITPR2) to mitochondria has emerged as a key player during cellular senescence and aging. However, the internal regulatory mechanisms, particularly those of endogenous molecules, remain only partially understood. Here we identified miRNA-129 (miR-129) as a direct repressor of </span></span><em>ITPR2</em><span><span><span>. Interestingly, miR-129 controlled a cascade of intracellular calcium signaling, </span>mitochondrial membrane potential (MMP), </span>reactive oxygen species<span><span> (ROS), DNA damage, and consequently cellular senescence through ITPR2 and mitochondrial calcium uniporter<span> (MCU). In addition, miR-129 was repressed in different senescence models and delayed bleomycin-induced cellular senescence. Importantly, intraperitoneal injection of miR-129 partly postponed bleomycin-accelerated lung aging and natural aging markers as well as reduced </span></span>immunosenescence markers in mice. Altogether, these findings demonstrated that miR-129 regulated cellular senescence and aging markers via intracellular calcium signaling by directly targeting </span></span><em>ITPR2.</em></p></div>","PeriodicalId":18340,"journal":{"name":"Mechanisms of Ageing and Development","volume":"218 ","pages":"Article 111902"},"PeriodicalIF":5.3,"publicationDate":"2024-01-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139420706","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}