1.Analysis of surveillance data of influenza in Jilin Province from 2011 to 2015
Liquan DENG ; Bo LUAN ; Qinglong ZHAO ; Chengcheng YANG ; Ming FAN
Chinese Journal of Experimental and Clinical Virology 2016;(1):50-52
Objective Through the analysis of influenza ( Flu ) monitoring data, to grasp the epidemiological characteristics of influenza, effective response to influenza pandemic in our province, to provide scientific basis for the development of influenza prevention and control strategies.Methods To analyze the surveillance data of influenza from 2011 to 2015.Results From the 14th week of 2011 to the 13th week of 2015, the average percentage of influenza-like illness(ILI)visits (ILI%) was 2.01%in Jilin province.The age group of 0 to 4 was the highest in the age groups of ILI cases.2173 positive strains were isolated from 13 sentinel hospitals, and the positive rate was 8.28%.The main three viral types were:seasonal A ( H3N2 ) 45.24%, A ( H1N1 ) 32.31%, B 22.14%.The dominant strains in different monitoring years were significantly different, the dominant strains of 2011-2012 was B while 2012-2014 were H3N2 and H1N1, the dominant strains of 2014-2015 was H3N2.Conclusion The seasonal characteristics of influenza in Jilin province were obvious, and the dominant strains in different monitoring years appeared alternately.
2. Quality of life and effects of breast reconstruction in patients with breast deficiency: a cross-sectional study
Lin CHEN ; Yiye OUYANG ; Jingjing SUN ; Dali MU ; Minqiang XIN ; Su FU ; Boyang XU ; Meng ZHANG ; Chengcheng LI ; Xingyi DU ; Jie LUAN ; Chunjun LIU
Chinese Journal of Plastic Surgery 2019;35(3):218-224
Objective:
To investigate the satisfaction and well-being of Chinese women with breast deficiency, and to analyze the relevant influencing factors.
Methods:
A cross-sectional study was conducted using a self-designed questionnaire to investigate the women with breast deficiency, visiting the Plastic Surgery Hospital of Chinese Academy of Medical Sciences from November 2013 to August 2018. The BREAST-Q BR (breast reconstruction) pre-operation and post-operation modules were used to assess the quality of life.
Results:
A total of 139 effective questionnaires were collected, including 83 patients before BR surgery and 56 post. There was no difference in quality of life in different ages, marital status, education levels, working status, and causes of breast deficiency. Mean scores of satisfaction with breasts, psychosocial well-being and sexual well-being of patients after breast reconstruction were significantly higher than those of patients without reconstruction (
3.Spatiotemporal Dynamics of the Molecular Expression Pattern and Intercellular Interactions in the Glial Scar Response to Spinal Cord Injury.
Leilei GONG ; Yun GU ; Xiaoxiao HAN ; Chengcheng LUAN ; Chang LIU ; Xinghui WANG ; Yufeng SUN ; Mengru ZHENG ; Mengya FANG ; Shuhai YANG ; Lai XU ; Hualin SUN ; Bin YU ; Xiaosong GU ; Songlin ZHOU
Neuroscience Bulletin 2023;39(2):213-244
Nerve regeneration in adult mammalian spinal cord is poor because of the lack of intrinsic regeneration of neurons and extrinsic factors - the glial scar is triggered by injury and inhibits or promotes regeneration. Recent technological advances in spatial transcriptomics (ST) provide a unique opportunity to decipher most genes systematically throughout scar formation, which remains poorly understood. Here, we first constructed the tissue-wide gene expression patterns of mouse spinal cords over the course of scar formation using ST after spinal cord injury from 32 samples. Locally, we profiled gene expression gradients from the leading edge to the core of the scar areas to further understand the scar microenvironment, such as neurotransmitter disorders, activation of the pro-inflammatory response, neurotoxic saturated lipids, angiogenesis, obstructed axon extension, and extracellular structure re-organization. In addition, we described 21 cell transcriptional states during scar formation and delineated the origins, functional diversity, and possible trajectories of subpopulations of fibroblasts, glia, and immune cells. Specifically, we found some regulators in special cell types, such as Thbs1 and Col1a2 in macrophages, CD36 and Postn in fibroblasts, Plxnb2 and Nxpe3 in microglia, Clu in astrocytes, and CD74 in oligodendrocytes. Furthermore, salvianolic acid B, a blood-brain barrier permeation and CD36 inhibitor, was administered after surgery and found to remedy fibrosis. Subsequently, we described the extent of the scar boundary and profiled the bidirectional ligand-receptor interactions at the neighboring cluster boundary, contributing to maintain scar architecture during gliosis and fibrosis, and found that GPR37L1_PSAP, and GPR37_PSAP were the most significant gene-pairs among microglia, fibroblasts, and astrocytes. Last, we quantified the fraction of scar-resident cells and proposed four possible phases of scar formation: macrophage infiltration, proliferation and differentiation of scar-resident cells, scar emergence, and scar stationary. Together, these profiles delineated the spatial heterogeneity of the scar, confirmed the previous concepts about scar architecture, provided some new clues for scar formation, and served as a valuable resource for the treatment of central nervous system injury.
Mice
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Animals
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Gliosis/pathology*
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Cicatrix/pathology*
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Spinal Cord Injuries
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Astrocytes/metabolism*
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Spinal Cord/pathology*
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Fibrosis
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Mammals
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Receptors, G-Protein-Coupled