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Baluku JB, Olum R, Sanya RE, Ocama P. Respiratory morbidity in Schistosoma mansoni infection: a rapid review of literature. Ther Adv Infect Dis 2023; 10:20499361231220152. [PMID: 38152611 PMCID: PMC10752101 DOI: 10.1177/20499361231220152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Accepted: 11/24/2023] [Indexed: 12/29/2023] Open
Abstract
Background Schistosomiasis contributes to 2.5 million disability-adjusted life years globally. Acute and chronic respiratory morbidity of Schistosoma mansoni (S. mansoni) is poorly documented in the literature. We conducted a rapid literature review of the burden of respiratory symptoms and lung function abnormalities among patients with S. mansoni. We also report the immunologic and lung imaging findings from the studies reviewed. Methods We carried out a comprehensive literature search in Embase and MEDLINE from the inception of the databases to 13th March 2023. Results A total of 2243 patients with S. mansoni were reported from 24 case reports, 11 cross-sectional studies, 7 case series, 2 cohort studies and 2 randomized controlled trials. The prevalence of any respiratory symptom was 13.3-63.3% (total number of patients studied, n = 149). The prevalence of the individual symptoms among patients with S. mansoni in whom respiratory symptoms were sought for was as follows: cough (8.3-80.6%, n = 338), dyspnea (1.7-100.0%, n = 200), chest pain (9.0-57.1%, n = 86), sputum production (20.0-23.3%, n = 30) and wheezing (0.0 - 20.0%, n = 1396). The frequency of the symptoms tended to be higher in acute schistosomiasis. Restrictive lung disease was prevalent in 29.0% (9/31). The commonest chest imaging findings reported were nodules (20-90%, n = 103) and interstitial infiltrates (12.5-23.0%, n = 89). Peripheral blood eosinophilia was prevalent in 72.0-100.0% of patients (n = 130) with acute schistosomiasis and correlated with symptoms and imaging abnormalities. Three case reports in chronic S. mansoni reported elevated C-reactive protein, leucocyte, neutrophil and absolute eosinophil counts, eosinophil percentage, IgE and IgG4. Conclusion There is a high prevalence of respiratory morbidity among patients with S. mansoni, particularly in the acute stage of the infection, although the studies are relatively small. Larger studies are needed to characterize respiratory morbidity in chronic schistosomiasis and determine the underlying clinical and immunological mechanisms.
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Affiliation(s)
- Joseph Baruch Baluku
- Immunomodulation and Vaccines Programme, MRC/UVRI and LSHTM Uganda Research Unit, Entebbe, Uganda
- Department of Internal Medicine, Makerere University College of Health Sciences, PO Box 26343, Kampala, Uganda
| | - Ronald Olum
- St. Francis Hospital, Nsambya, Kampala, Uganda
| | - Richard E. Sanya
- Immunomodulation and Vaccines Programme, MRC/UVRI and LSHTM Uganda Research Unit, Entebbe, Uganda
- Chronic Diseases Management Unit, African Population and Health Research Center, Nairobi, Uganda
| | - Ponsiano Ocama
- Immunomodulation and Vaccines Programme, MRC/UVRI and LSHTM Uganda Research Unit, Entebbe, Uganda
- Department of Internal Medicine, Makerere University College of Health Sciences, Kampala, Uganda
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Lu G, Cao Y, Chai L, Li Y, Li S, Heuschen AK, Chen Q, Müller O, Cao J, Zhu G. Barriers to seeking health care among returning travellers with malaria: A systematic review. Trop Med Int Health 2021; 27:28-37. [PMID: 34748264 DOI: 10.1111/tmi.13698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
OBJECTIVE To identify barriers to seeking health care among returning travellers with malaria with the aim of developing targeted interventions that improve early health care-seeking behaviour, diagnosis and treatment. METHODS Following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, we conducted a systematic review of published medical literature, selecting studies that investigated and reported barriers to seeking health care among returning travellers and migrants with malaria. In total, 633 articles were screened, of which four studies met the inclusion criteria after a full-text review. RESULTS The four studies reported barriers to seeking healthcare among returning travellers in China, the United States, Thailand and the Dominican Republic. Three studies had an observational design. The identified barriers were summarised based on the appraisal delay, illness delay and utilisation delay stages. During appraisal delays, low awareness of malaria was the most significant factor. Once the patient assessed that he or she was ill, belonging to a specific minority ethnicity, being infected with P. vivax and receiving a low level of social support were predictors of delayed health care-seeking. Finally, the most significant factor associated with utilisation delays was the monetary cost. CONCLUSION The health care-seeking behaviour of returning travellers with malaria should be further investigated and improved. Addressing the identified barriers and gaps in health care-seeking behaviour among returning travellers with malaria, particularly among groups at high risk of travel-associated infections, is important to prevent severe disease and deaths as well as secondary transmission and epidemics.
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Affiliation(s)
- Guangyu Lu
- School of Public Health, Medical College of Yangzhou University, Yangzhou University, Yangzhou, China
| | - Yuanyuan Cao
- National Health Commission Key Laboratory of Parasitic Disease Control and Prevention, Jiangsu Provincial Key Laboratory on Parasite and Vector Control Technology, Jiangsu Institute of Parasitic Diseases, Wuxi, China
| | - Liying Chai
- School of Public Health, Medical College of Yangzhou University, Yangzhou University, Yangzhou, China
| | - Yuping Li
- Department of Neurosurgery, Jiangsu North People's Hospital, Medical College of Yangzhou University, Yangzhou, China
| | - Shuying Li
- School of Public Health, Medical College of Yangzhou University, Yangzhou University, Yangzhou, China
| | | | - Qi Chen
- Institute of Global Health, University of Heidelberg, Heidelberg, Germany
| | - Olaf Müller
- Institute of Global Health, University of Heidelberg, Heidelberg, Germany
| | - Jun Cao
- National Health Commission Key Laboratory of Parasitic Disease Control and Prevention, Jiangsu Provincial Key Laboratory on Parasite and Vector Control Technology, Jiangsu Institute of Parasitic Diseases, Wuxi, China.,Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Guoding Zhu
- National Health Commission Key Laboratory of Parasitic Disease Control and Prevention, Jiangsu Provincial Key Laboratory on Parasite and Vector Control Technology, Jiangsu Institute of Parasitic Diseases, Wuxi, China
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3
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Wang L, Wu X, Li X, Zheng X, Wang F, Qi Z, Huang M, Zou Y. Imported Schistosomiasis: A New Public Health Challenge for China. Front Med (Lausanne) 2020; 7:553487. [PMID: 33195303 PMCID: PMC7642816 DOI: 10.3389/fmed.2020.553487] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Accepted: 08/18/2020] [Indexed: 12/18/2022] Open
Abstract
Significantly increased imported schistosomiasis cases have been reported in China as the economy grows. The aim of this study is to review and summarize the current status, clinical features, and transmission risk of imported infections of Schistosoma mansoni and Schistosoma haematobium in China. A retrospective study was performed to review all information regarding the imported cases of schistosomiasis collected from published literature and the database of the National Notifiable Disease Report System from 1979 to 2019. The characterization of epidemiological and clinical features was analyzed. A total of 355 cases of imported schistosomiasis have been reported in 15 provinces (autonomous regions, municipalities) in China since 1979, including 78 cases of infection with S. mansoni (21.97%), 262 cases with S. haematobium (73.80%), and 15 cases with unidentified Schistosoma species. Eosinophilia was the most common sign of the infection with S. mansoni (91.03%). The parasitological findings were confirmed in 89.74% (70/78) of cases infected with S. mansoni and 32.06% (84/262) of cases infected with S. haematobium. There was no imported case of infection of Schistosoma japonicum, Schistosoma intercalatum, or Schistosoma mekongi reported in China during this period. Praziquantel is the best therapeutic drug for curing imported schistosomiasis. In addition, Biomphalaria straminea, the intermediate host of S. mansoni, has already been found in Guangdong province in south China. There is a rising risk that the existence of the intermediate host B. straminea and the imported cases of S. mansoni infection could cause the spread of the infections and make these endemic. Thus, better understanding of the clinical features and the transmission pattern of these Schistosoma infections would assist Chinese physicians in the diagnosis and treatment of these imported schistosomiasis cases.
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Affiliation(s)
- Lei Wang
- Emergency and Critical Care Center, Beijing Friendship Hospital, Capital Medical University, Beijing, China.,Beijing Institute of Tropical Medicine, Beijing, China.,Beijing Key Laboratory for Research on Prevention and Treatment of Tropical Diseases, Beijing, China
| | - Xiaoying Wu
- Department of Gastroenterology, 3rd Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Xiaoli Li
- Emergency and Critical Care Center, Beijing Friendship Hospital, Capital Medical University, Beijing, China.,Beijing Institute of Tropical Medicine, Beijing, China.,Beijing Key Laboratory for Research on Prevention and Treatment of Tropical Diseases, Beijing, China
| | - Xiaoyan Zheng
- Emergency and Critical Care Center, Beijing Friendship Hospital, Capital Medical University, Beijing, China.,Beijing Institute of Tropical Medicine, Beijing, China.,Beijing Key Laboratory for Research on Prevention and Treatment of Tropical Diseases, Beijing, China
| | - Fei Wang
- Emergency and Critical Care Center, Beijing Friendship Hospital, Capital Medical University, Beijing, China.,Beijing Institute of Tropical Medicine, Beijing, China.,Beijing Key Laboratory for Research on Prevention and Treatment of Tropical Diseases, Beijing, China
| | - Zhiqun Qi
- Emergency and Critical Care Center, Beijing Friendship Hospital, Capital Medical University, Beijing, China.,Beijing Institute of Tropical Medicine, Beijing, China.,Beijing Key Laboratory for Research on Prevention and Treatment of Tropical Diseases, Beijing, China
| | - Minjun Huang
- Emergency and Critical Care Center, Beijing Friendship Hospital, Capital Medical University, Beijing, China.,Beijing Institute of Tropical Medicine, Beijing, China.,Beijing Key Laboratory for Research on Prevention and Treatment of Tropical Diseases, Beijing, China
| | - Yang Zou
- Emergency and Critical Care Center, Beijing Friendship Hospital, Capital Medical University, Beijing, China.,Beijing Institute of Tropical Medicine, Beijing, China.,Beijing Key Laboratory for Research on Prevention and Treatment of Tropical Diseases, Beijing, China
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Lin D, Zeng X, Sanogo B, He P, Xiang S, Du S, Zhang Y, Wang L, Wan S, Zeng X, Yang Y, Lv Z, Liang Y, Deng Z, Hui JHL, Yuan D, Ding T, Wu Z, Sun X. The potential risk of Schistosoma mansoni transmission by the invasive freshwater snail Biomphalaria straminea in South China. PLoS Negl Trop Dis 2020; 14:e0008310. [PMID: 32511225 PMCID: PMC7302743 DOI: 10.1371/journal.pntd.0008310] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Revised: 06/18/2020] [Accepted: 04/20/2020] [Indexed: 01/09/2023] Open
Abstract
Schistosomes infect more than 200 million people worldwide, and globally, over 700 million people are at risk of infection. The snail Biomphalaria straminea, as one of the intermediate hosts of Schistosoma mansoni, consecutively invaded Hong Kong in 1973, raising great concern in China. In this study, a malacological survey was conducted over a period of four years, and investigations were performed on the mechanism of susceptibility of B. straminea to S. mansoni. B. straminea was investigated in China from 2014 to 2018. Out of 185 investigated sites, 61 were positive for stages of black B. straminea (BBS), which shows pigmented spots. Twenty of the 61 sites were positive for red B. straminea (RBS), which is partially albino and red colored. Phylogenetic analyses based on cox1 and 18S rRNA sequences demonstrated that both phenotypes were clustered with Brazilian strains. No S. mansoni infections were detected in field-collected snail. However, in laboratory experiments, 4.17% of RBS were susceptible to a Puerto Rican strain of S. mansoni, while BBS was not susceptible. The highest susceptibility rate (70.83%) was observed in the F2 generation of RBS in lab. The density of RBS has increased from south to north and from west to east in Guangdong since 2014. Five tyrosinase tyrosine metabolism genes were upregulated in BBS. Transcriptome comparisons of RBS and BBS showed that ficolin, C1q, MASP-like, and membrane attack complex (MAC)/perforin models of the complement system were significantly upregulated in BBS. Our study demonstrated that B. straminea is widely distributed in Hong Kong and Guangdong Province, which is expanding northwards very rapidly as a consequence of its adaptation to local environments. Our results suggest that B. straminea from South China is susceptible to S. mansoni, implying the high potential for S. mansoni transmission and increased S. mansoni infection risk in China. Biomphalaria straminea is an important intermediate host for the blood fluke Schistosoma mansoni. B. straminea has spread in Hong Kong and in mainland China since 1973. However, whether resident snails can transmit intestinal schistosomiasis caused by S. mansoni remains unclear. Our results revealed that different types of B. straminea are widespread in cities such as Hong Kong, Shenzhen, Dongguan, Huizhou and Puning and that the distribution of the species has shifted northwards. The most important finding was that one of the phenotypes (red phenotype of B. straminea, RBS), which is highly susceptible to S. mansoni, has spread into the city of Shenzhen since 2016. The density of RBS in Guangdong Province has increased rapidly since 2014, especially since 2016. Transcriptome analysis showed that the high expression levels of ficolin, C1q, MASP-like, and membrane attack complex (MAC)/perforin models of the complement system might be associated with the mechanism of susceptibility. Our study suggested that B. straminea is susceptible to S. mansoni, implying a high potential risk of S. mansoni transmission in South China. More attention should be paid to the potential transmission of S. mansoni, and control measures should be established to prevent the spread of this snail in South China.
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Affiliation(s)
- DaTao Lin
- Department of Parasitology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China
- Provincial Engineering Technology Research Center for Diseases-vectors Control, Key Laboratory of Tropical Disease Control, Ministry of Education, Guangzhou, Guangdong, China
| | - Xin Zeng
- Department of Parasitology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China
- Provincial Engineering Technology Research Center for Diseases-vectors Control, Key Laboratory of Tropical Disease Control, Ministry of Education, Guangzhou, Guangdong, China
| | - Benjamin Sanogo
- Department of Parasitology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China
- Provincial Engineering Technology Research Center for Diseases-vectors Control, Key Laboratory of Tropical Disease Control, Ministry of Education, Guangzhou, Guangdong, China
| | - Ping He
- Department of Parasitology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China
- Provincial Engineering Technology Research Center for Diseases-vectors Control, Key Laboratory of Tropical Disease Control, Ministry of Education, Guangzhou, Guangdong, China
| | - Suoyu Xiang
- Department of Parasitology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China
- Provincial Engineering Technology Research Center for Diseases-vectors Control, Key Laboratory of Tropical Disease Control, Ministry of Education, Guangzhou, Guangdong, China
| | - Shuling Du
- Department of Parasitology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China
- Provincial Engineering Technology Research Center for Diseases-vectors Control, Key Laboratory of Tropical Disease Control, Ministry of Education, Guangzhou, Guangdong, China
| | - YanHua Zhang
- Department of Parasitology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China
- Provincial Engineering Technology Research Center for Diseases-vectors Control, Key Laboratory of Tropical Disease Control, Ministry of Education, Guangzhou, Guangdong, China
| | - Lifu Wang
- Department of Parasitology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China
- Provincial Engineering Technology Research Center for Diseases-vectors Control, Key Laboratory of Tropical Disease Control, Ministry of Education, Guangzhou, Guangdong, China
| | - Shuo Wan
- Department of Parasitology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China
- Provincial Engineering Technology Research Center for Diseases-vectors Control, Key Laboratory of Tropical Disease Control, Ministry of Education, Guangzhou, Guangdong, China
| | - XingDa Zeng
- Department of Parasitology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China
- Provincial Engineering Technology Research Center for Diseases-vectors Control, Key Laboratory of Tropical Disease Control, Ministry of Education, Guangzhou, Guangdong, China
| | - Ya Yang
- Key Laboratory of Public Health Safety, Ministry of Education, Tropical Disease Research Center, Department of Epidemiology, School of Public Health, Fudan University, Shanghai, China
| | - ZhiYue Lv
- Department of Parasitology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China
- Provincial Engineering Technology Research Center for Diseases-vectors Control, Key Laboratory of Tropical Disease Control, Ministry of Education, Guangzhou, Guangdong, China
| | - YouSheng Liang
- Jiangsu Institute of Parasitic Diseases, Wuxi, Jiansu Province, China
| | - ZhuoHui Deng
- Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, Guangdong Province, China
| | - Jerome Ho-Lam Hui
- State Key Laboratory of Agrobiotechnology, School of Life Science, The Chinese University of Hong Kong, Hong Kong Special Administrative Region, China
| | - DongJuan Yuan
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Tao Ding
- Provincial Engineering Technology Research Center for Diseases-vectors Control, Key Laboratory of Tropical Disease Control, Ministry of Education, Guangzhou, Guangdong, China
| | - ZhongDao Wu
- Department of Parasitology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China
- Provincial Engineering Technology Research Center for Diseases-vectors Control, Key Laboratory of Tropical Disease Control, Ministry of Education, Guangzhou, Guangdong, China
- * E-mail: (ZDW); (XS)
| | - Xi Sun
- Department of Parasitology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China
- Provincial Engineering Technology Research Center for Diseases-vectors Control, Key Laboratory of Tropical Disease Control, Ministry of Education, Guangzhou, Guangdong, China
- * E-mail: (ZDW); (XS)
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5
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Zhu D, Yang C, Shen P, Chen L, Chen J, Sun X, Duan L, Zhang L, Zhu J, Duan Y. rSjP40 suppresses hepatic stellate cell activation by promoting microRNA-155 expression and inhibiting STAT5 and FOXO3a expression. J Cell Mol Med 2018; 22:5486-5493. [PMID: 30091834 PMCID: PMC6201359 DOI: 10.1111/jcmm.13819] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2018] [Revised: 06/12/2018] [Accepted: 06/29/2018] [Indexed: 01/09/2023] Open
Abstract
Activation of hepatic stellate cells (HSCs) is the central event of the evolution of hepatic fibrosis. Schistosomiasis is one of the pathogenic factors which could induce hepatic fibrosis. Previous studies have shown that recombinant Schistosoma japonicum egg antigen P40 (rSjP40) can inhibit the activation and proliferation of HSCs. MicroRNA‐155 is one of the multifunctional noncoding RNA, which is involved in a series of important biological processes including cell development, proliferation, differentiation and apoptosis. Here, we try to observe the role of microRNA‐155 in rSjP40‐inhibited HSC activation and explore its potential mechanisms. We found that microRNA‐155 was raised in rSjP40‐treated HSCs, and further studies have shown that rSjP40 enhanced microRNA‐155 expression by inhibiting STAT5 transcription. Up‐regulated microRNA‐155 can down‐regulate the expression of FOXO3a and then participate in rSjP40‐inhibited expression of α‐smooth muscle actin (α‐SMA) and collagen I. Furthermore, we observed microRNA‐155 inhibitor could partially restore the down‐regulation of FOXO3a, α‐SMA and collagen I expression in LX‐2 cells induced by rSjP40. Therefore, our research provides further insight into the mechanism by which rSjP40 could inhibit HSC activation via miR‐155.
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Affiliation(s)
- Dandan Zhu
- Department of Pathogen Biology, School of Medicine, Nantong University, Nantong, China
| | - Chunzhao Yang
- Department of Pathogen Biology, School of Medicine, Nantong University, Nantong, China
| | - Pei Shen
- Laboratory Medicine Center, Affiliated Hospital of Nantong University, Nantong, China
| | - Liuting Chen
- Department of Pathogen Biology, School of Medicine, Nantong University, Nantong, China
| | - Jinling Chen
- Department of Pathogen Biology, School of Medicine, Nantong University, Nantong, China
| | - Xiaolei Sun
- Department of Pathogen Biology, School of Medicine, Nantong University, Nantong, China
| | - Lian Duan
- Department of Medical Informatics, School of Medicine, Nantong University, Nantong, China
| | - Li Zhang
- Department of Pathogen Biology, School of Medicine, Nantong University, Nantong, China
| | - Jinhua Zhu
- Department of Pathogen Biology, School of Medicine, Nantong University, Nantong, China
| | - Yinong Duan
- Department of Pathogen Biology, School of Medicine, Nantong University, Nantong, China
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