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Fluctuating fine-scale spatial genetic structure in the common shrews (Eulipotyphla, Mammalia)

Integrative Zoology 2023年第3期18卷 469-492页

作者： Nikolay A.SHCHIPANOV artem V.artamonov Sergey V.TITOV Svetlana V.PAVLOVA A.N.Severtsov Institute of Ecology and Evolution Russian Academy of SciencesMoscowRussia Department of Zoology and Ecology Penza State UniversityPenzaRussia

The spatial genetic structure is a topical issue in the studies of various aspects of ecology and *** the multilocus autocorrelation method with hypervariable microsatellite genetic markers,we investigated aﬁne-scale pattern of genetic structure in 5 local populations of the common shrew Sorex araneus separated by distances of 300–1000 m(the Moscow chromosomal race).Spatial genetic autocorrelation analysis based on 5 microsatellite loci(expected heterozygosity>0.79)with 90 alleles revealed a consistent pattern of signiﬁcant positive genetic *** testing the autocorrelation at multiple scales from 25 to 500 m,we found that positive spatial genetic structure is detectable in distance classes of<500 *** weaker spatial genetic structure positively correlated with a higher ratio of nonresident individuals to residents’activity(number of captures).In contrast to nonresident animals,the residents demonstrated prominent genetic *** difference(FST)between the populations was signiﬁcant(0.016–0.051)and comparable with that between populations of different races analyzed previously(0.016–0.038).FST was not associated with geographic *** demographic patterns allowed us to propose a scheme of genetic-structure dynamics involving periodic appearance of more related local groups and renewal of allelic proﬁles fromаcommon pool where the alleles are *** scheme predictsﬂuctuating genetic structure and random similar differences among local populations.

关键词： demographic pattern geneﬂow microsatellite spatial autocorrelation

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Clinical and laboratory features of juvenile idiopathic arthritis with wrist involvement:Results of a retrospective cohort study

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World Journal of Clinical Pediatrics 2024年第3期13卷 22-33页

作者： Lyubov Sorokina Maria Kaneva artem artamonov Natalia Gordeeva Irina Chikova Mikhail Kostik Hospital Pediatry Saint Petersburg State Pediatric Medical UniversitySaint Petersburg 194100Russia Department of Consulting and Diagnostic Saint-Petersburg Children’s Hospital#2n.a.Saint Mary MagdaleneSaint Petersburg 199004Russia Research Laboratory of Autoimmune and Autoinflammatory Diseases Almazov National Medical Research CenterSaint-Petersburg 197341Russia

BACKGROUND Previous studies in the pre-biological era showed an association of wrist inflammation in juvenile idiopathic arthritis(JIA)with progressive disease course,polyarticular involvement and failure of methotrexate *** To describe features of JIA,associated with wrist *** Data from about 753 JIA patients were included in this retrospective cohort *** clinical and laboratory features of patients with and without wrist involvement were *** Wrist involvement was found in oligoarthritis(5.8%),RF(−)/RF(+)polyarthritis(44.9%/15.0%),enthesitis-related arthritis(17.7%),and systemic(58.6%)JIA *** wrist involvement was typical for oligoarthritis patients,bilateral involvement was either equal to that of unilateral involvement or was more frequent in other *** arthritis was found to be associated with female sex,a low incidence of uveitis,and more indications of systemic inflammation,including elevated levels of C-reactive protein,erythrocyte sedimentation rate,and platelets,as well as involvement of the cervical spine,temporomandibular,shoulder,elbow,metacarpophalangeal,proximal interphalangeal,distal interphalangeal,hip,ankle,and tarsus *** number of patients with hip osteoarthritis and hip replacement was also *** arthritis was associated with a lower probability of achieving remission[hazard ratio(HR)=1.3(95%CI:1.0-1.7),P=0.055],and a higher probability of being treated with biologics[HR=1.7(95%CI:1.3-2.10,P=0.00009)].CONCLUSION Wrist arthritis in JIA patients is a marker of a severe disease course,characterized by more intensive inflammation,unfavorable outcomes,*** more intensive treatment with early administration of *** monitoring of wrist inflammation with ultrasound and MR assessment with early biological treatment might improve the outcomes.

关键词： Wrist Hand Juvenile idiopathic arthritis Outcomes Biologics Methotrexate

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