Leprosy is an infectious granulomatous disease caused by Mycobacterium leprae that affects the skin and can lead to deformity by damaging peripheral nerves.Although leprosy is no longer an incurable disease,its epidem...Leprosy is an infectious granulomatous disease caused by Mycobacterium leprae that affects the skin and can lead to deformity by damaging peripheral nerves.Although leprosy is no longer an incurable disease,its epidemic has not been well controlled because of its unclear routes of transmission and the lack of an effective vaccine.Moreover,leprosy has long been an ideal disease model for the study of genetics and immunology of infectious diseases due to its strong genetic predisposition and immune-dependent spectrum of clinical manifestations.Here,we review the latest and important findings of the pathogenesis of leprosy.Recent studies have shown that the highly conserved M.leprae is zoonotic,which further complicates the ambiguous transmission of M.leprae.Genetically,genome-wide association studies of leprosy have reported dozens of susceptibility genes,most of which are immune-related,and thus systematically elucidate the immunogenetic basis of the disease.Immunologically,plenty of novel mechanisms of host defense against intracellular bacterial infection and the modulation of host immunity by M.leprae have been depicted.Despite these great achievements,there are still gaps between pathogenic biology,genetics,and immunology of leprosy,limiting our in-depth understanding of leprosy pathogenesis.Further efforts,such as multi-omics data integration and the development of viable animal models for immunogenetic studies are urgently needed to accelerate advances in the precise prevention and treatment of leprosy.展开更多
To the Editor:Mycobacterium marinum is a nontuberculous mycobacterium that can cause opportunistic infections in humans,ranging from a single cutaneous lesion to disseminated disease.[1]It was first isolated from a fi...To the Editor:Mycobacterium marinum is a nontuberculous mycobacterium that can cause opportunistic infections in humans,ranging from a single cutaneous lesion to disseminated disease.[1]It was first isolated from a fish in 1926 and identified as a cause of human infection in 1951.[1]The estimated annual incidence ranges from 0.04 to 0.27 per 100,000 persons in different countries.Outbreaks of M.marinum infections related to handling fish are not common,but have also been reported.展开更多
基金supported by Academic promotion programme of Shandong First Medical University(2019LJ002)the Natural Science Foundation of Shandong Province(ZR2023MH046)+1 种基金National Natural Science Foundation of China(82173430,82230107,82273545)the Innovation Project of Shandong Academy of Medical Sciences.
文摘Leprosy is an infectious granulomatous disease caused by Mycobacterium leprae that affects the skin and can lead to deformity by damaging peripheral nerves.Although leprosy is no longer an incurable disease,its epidemic has not been well controlled because of its unclear routes of transmission and the lack of an effective vaccine.Moreover,leprosy has long been an ideal disease model for the study of genetics and immunology of infectious diseases due to its strong genetic predisposition and immune-dependent spectrum of clinical manifestations.Here,we review the latest and important findings of the pathogenesis of leprosy.Recent studies have shown that the highly conserved M.leprae is zoonotic,which further complicates the ambiguous transmission of M.leprae.Genetically,genome-wide association studies of leprosy have reported dozens of susceptibility genes,most of which are immune-related,and thus systematically elucidate the immunogenetic basis of the disease.Immunologically,plenty of novel mechanisms of host defense against intracellular bacterial infection and the modulation of host immunity by M.leprae have been depicted.Despite these great achievements,there are still gaps between pathogenic biology,genetics,and immunology of leprosy,limiting our in-depth understanding of leprosy pathogenesis.Further efforts,such as multi-omics data integration and the development of viable animal models for immunogenetic studies are urgently needed to accelerate advances in the precise prevention and treatment of leprosy.
基金Academic promotion program of Shandong First Medical University(Nos. 2019LJ002, 2019RC007, and 2020RC001)Innovation Project of Shandong Academy of Medical Sciences+2 种基金the Shandong Province Taishan Scholar Project(Nos. tsqn201812124 and tspd20150214)Youth Technology Innovation Support Project of Shandong Colleges and Universities(No. 2019KJL003)Natural Science Foundation of Shandong Province(No. ZR2018BC020)
文摘To the Editor:Mycobacterium marinum is a nontuberculous mycobacterium that can cause opportunistic infections in humans,ranging from a single cutaneous lesion to disseminated disease.[1]It was first isolated from a fish in 1926 and identified as a cause of human infection in 1951.[1]The estimated annual incidence ranges from 0.04 to 0.27 per 100,000 persons in different countries.Outbreaks of M.marinum infections related to handling fish are not common,but have also been reported.
