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Xi Y, Li X, Liu L, Xiu F, Yi X, Chen H, You X. Sneaky tactics: Ingenious immune evasion mechanisms of Bartonella. Virulence 2024; 15:2322961. [PMID: 38443331 PMCID: PMC10936683 DOI: 10.1080/21505594.2024.2322961] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Accepted: 02/20/2024] [Indexed: 03/07/2024] Open
Abstract
Gram-negative Bartonella species are facultative intracellular bacteria that can survive in the harsh intracellular milieu of host cells. They have evolved strategies to evade detection and degradation by the host immune system, which ensures their proliferation in the host. Following infection, Bartonella alters the initial immunogenic surface-exposed proteins to evade immune recognition via antigen or phase variation. The diverse lipopolysaccharide structures of certain Bartonella species allow them to escape recognition by the host pattern recognition receptors. Additionally, the survival of mature erythrocytes and their resistance to lysosomal fusion further complicate the immune clearance of this species. Certain Bartonella species also evade immune attacks by producing biofilms and anti-inflammatory cytokines and decreasing endothelial cell apoptosis. Overall, these factors create a challenging landscape for the host immune system to rapidly and effectively eradicate the Bartonella species, thereby facilitating the persistence of Bartonella infections and creating a substantial obstacle for therapeutic interventions. This review focuses on the effects of three human-specific Bartonella species, particularly their mechanisms of host invasion and immune escape, to gain new perspectives in the development of effective diagnostic tools, prophylactic measures, and treatment options for Bartonella infections.
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Affiliation(s)
- Yixuan Xi
- Institute of Pathogenic Biology, Hunan Provincial Key Laboratory for Special Pathogens Prevention and Control, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang Medical College, University of South China, Hengyang, China
| | - Xinru Li
- Institute of Pathogenic Biology, Hunan Provincial Key Laboratory for Special Pathogens Prevention and Control, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang Medical College, University of South China, Hengyang, China
| | - Lu Liu
- Institute of Pathogenic Biology, Hunan Provincial Key Laboratory for Special Pathogens Prevention and Control, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang Medical College, University of South China, Hengyang, China
| | - Feichen Xiu
- Institute of Pathogenic Biology, Hunan Provincial Key Laboratory for Special Pathogens Prevention and Control, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang Medical College, University of South China, Hengyang, China
| | - Xinchao Yi
- Institute of Pathogenic Biology, Hunan Provincial Key Laboratory for Special Pathogens Prevention and Control, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang Medical College, University of South China, Hengyang, China
| | - Hongliang Chen
- Chenzhou NO.1 People’s Hospital, The Affiliated Chenzhou Hospital, Hengyang Medical College, University of South China, ChenZhou, China
| | - Xiaoxing You
- Institute of Pathogenic Biology, Hunan Provincial Key Laboratory for Special Pathogens Prevention and Control, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang Medical College, University of South China, Hengyang, China
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Stewart Z, Korsapathy S, Frohlich F. Crowd-sourced investigation of a potential relationship between Bartonella-associated cutaneous lesions and neuropsychiatric symptoms. Front Psychiatry 2023; 14:1244121. [PMID: 37941969 PMCID: PMC10628448 DOI: 10.3389/fpsyt.2023.1244121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Accepted: 09/19/2023] [Indexed: 11/10/2023] Open
Abstract
Introduction Preliminary studies suggest that infection with Bartonella bacteria can not only cause a characteristic rash, headache, fever, and fatigue but also neuropsychiatric symptoms. To date, this association has only been reported in case studies, and it remains unclear if this association generalizes to larger samples. Methods We used Amazon's Mechanical Turk (MTurk) to crowdsource a large sample (N = 996) of individuals to ascertain the extent to which the presence of participant-identified Bartonella-associated cutaneous lesions (BACL) was associated with self-reported measures of anxiety, depression, and schizotypy. Participants were asked to select images of cutaneous lesions they had seen on their own bodies and complete a battery of self-report questionnaires to assess psychiatric symptoms. Participants were not informed that the focus of the study was on potential dermatological lesions associated with Bartonella. Point-biserial correlations were used to determine the potential relationship between selecting a BACL image and the severity of self-reported psychiatric symptoms. Results Scores of anxiety, depression, and schizotypy were positively and significantly correlated with selecting a BACL image. Furthermore, self-report scores of 10 or higher on the GAD-7 and PHQ-9, which represent the suggested clinical cutoffs for meeting criteria for a depressive or anxiety-related disorder, were also significantly associated with selecting a BACL image. Non-Bartonella-associated cutaneous legions were also significantly associated with self-reported measures of psychiatric symptoms. Discussion The current study broadens the link between the presence of BACL and the presence of psychiatric symptoms of anxiety, depression, and schizotypy and extends a potential relationship beyond the small sample sizes of previous case studies and case series. Further investigation is recommended to address limitations and expand on these findings.
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Affiliation(s)
- Zachary Stewart
- Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
- Carolina Center for Neurostimulation, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Sanvi Korsapathy
- Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
- Carolina Center for Neurostimulation, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Flavio Frohlich
- Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
- Carolina Center for Neurostimulation, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
- Neuroscience Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
- Department of Cell Biology and Physiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
- Department of Biomedical Engineering, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
- Department of Neurology, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
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McCormick DW, Rassoulian-Barrett SL, Hoogestraat DR, Salipante SJ, SenGupta D, Dietrich EA, Cookson BT, Marx GE, Lieberman JA. Bartonella spp. Infections Identified by Molecular Methods, United States. Emerg Infect Dis 2023; 29:467-476. [PMID: 36823096 PMCID: PMC9973681 DOI: 10.3201/eid2903.221223] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023] Open
Abstract
Molecular methods can enable rapid identification of Bartonella spp. infections, which are difficult to diagnose by using culture or serology. We analyzed clinical test results of PCR that targeted bacterial 16S rRNA hypervariable V1-V2 regions only or in parallel with PCR of Bartonella-specific ribC gene. We identified 430 clinical specimens infected with Bartonella spp. from 420 patients in the United States. Median patient age was 37 (range 1-79) years; 62% were male. We identified B. henselae in 77%, B. quintana in 13%, B. clarridgeiae in 1%, B. vinsonii in 1%, and B. washoensis in 1% of specimens. B. quintana was detected in 83% of cardiac specimens; B. henselae was detected in 34% of lymph node specimens. We detected novel or uncommon Bartonella spp. in 9 patients. Molecular diagnostic testing can identify Bartonella spp. infections, including uncommon and undescribed species, and might be particularly useful for patients who have culture-negative endocarditis or lymphadenitis.
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Affiliation(s)
- David W. McCormick
- Centers for Disease Control and Prevention, Fort Collins, Colorado, USA (D.W. McCormick, E.A. Dietrich, G.E. Marx)
- University of Washington, Seattle, Washington, USA (S.L. Rassoulian-Barrett, D.R. Hoogestraat, S.J. Salipante, D. SenGupta, B.T. Cookson, J.A. Lieberman)
| | - Sara L. Rassoulian-Barrett
- Centers for Disease Control and Prevention, Fort Collins, Colorado, USA (D.W. McCormick, E.A. Dietrich, G.E. Marx)
- University of Washington, Seattle, Washington, USA (S.L. Rassoulian-Barrett, D.R. Hoogestraat, S.J. Salipante, D. SenGupta, B.T. Cookson, J.A. Lieberman)
| | - Daniel R. Hoogestraat
- Centers for Disease Control and Prevention, Fort Collins, Colorado, USA (D.W. McCormick, E.A. Dietrich, G.E. Marx)
- University of Washington, Seattle, Washington, USA (S.L. Rassoulian-Barrett, D.R. Hoogestraat, S.J. Salipante, D. SenGupta, B.T. Cookson, J.A. Lieberman)
| | - Stephen J. Salipante
- Centers for Disease Control and Prevention, Fort Collins, Colorado, USA (D.W. McCormick, E.A. Dietrich, G.E. Marx)
- University of Washington, Seattle, Washington, USA (S.L. Rassoulian-Barrett, D.R. Hoogestraat, S.J. Salipante, D. SenGupta, B.T. Cookson, J.A. Lieberman)
| | - Dhruba SenGupta
- Centers for Disease Control and Prevention, Fort Collins, Colorado, USA (D.W. McCormick, E.A. Dietrich, G.E. Marx)
- University of Washington, Seattle, Washington, USA (S.L. Rassoulian-Barrett, D.R. Hoogestraat, S.J. Salipante, D. SenGupta, B.T. Cookson, J.A. Lieberman)
| | - Elizabeth A. Dietrich
- Centers for Disease Control and Prevention, Fort Collins, Colorado, USA (D.W. McCormick, E.A. Dietrich, G.E. Marx)
- University of Washington, Seattle, Washington, USA (S.L. Rassoulian-Barrett, D.R. Hoogestraat, S.J. Salipante, D. SenGupta, B.T. Cookson, J.A. Lieberman)
| | - Brad T. Cookson
- Centers for Disease Control and Prevention, Fort Collins, Colorado, USA (D.W. McCormick, E.A. Dietrich, G.E. Marx)
- University of Washington, Seattle, Washington, USA (S.L. Rassoulian-Barrett, D.R. Hoogestraat, S.J. Salipante, D. SenGupta, B.T. Cookson, J.A. Lieberman)
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Faccini-Martínez ÁA, Kmetiuk LB, Blanton LS, Felipetto LG, Gravinatti ML, Timenetsky J, Gonçalves LR, Machado RZ, André MR, Figueiredo FB, Dos Santos AP, Labruna MB, Monti G, Biondo AW, Walker DH. Bartonella spp. and Typhus Group Rickettsiae among Persons Experiencing Homelessness, São Paulo, Brazil. Emerg Infect Dis 2023; 29:418-421. [PMID: 36692454 PMCID: PMC9881779 DOI: 10.3201/eid2902.221050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
Persons experiencing homelessness in São Paulo, Brazil, were seropositive for Bartonella spp. (79/109, 72.5%) and typhus group rickettsiae (40/109, 36.7%). Bartonella quintana DNA was detected in 17.1% (14/82) body louse pools and 0.9% (1/114) blood samples. Clinicians should consider vectorborne agents as potential causes of febrile syndromes in this population.
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Boodman C, Wuerz T, Lagacé-Wiens P, Lindsay R, Dibernardo A, Bullard J, Stein DR, Keynan Y. Serologic testing for Bartonella in Manitoba, Canada, 2010-2020: a retrospective case series. CMAJ Open 2022; 10:E476-E482. [PMID: 35640989 PMCID: PMC9177198 DOI: 10.9778/cmajo.20210180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND Bartonella are gram-negative bacilli not identified by routine bacterial culture. The objectives of this study were to review the results of all serologic testing for Bartonella ordered in Manitoba, Canada, and to review cases with positive test results among adults to assess species identification, risk factors, clinical manifestations and outcomes. METHODS This retrospective study included all Bartonella serologic tests ordered in Manitoba and performed at the National Microbiology Laboratory, Winnipeg, from Jan. 1, 2010, until Dec. 31, 2020. We analyzed the aggregate data for all serologic tests for Bartonella for patients of all ages. We reviewed the charts of adult (age ≥ 18 yr) patients with serologic positivity for Bartonella who had a medical chart at 1 of Winnipeg's 2 largest hospitals (Health Sciences Centre and St. Boniface Hospital) to extract clinical and demographic data and create a case series. Descriptive statistics were performed. RESULTS During the study period, 1014 Bartonella serologic tests were ordered in adult and pediatric patients, of which 24 (2.4%) gave a positive result. Sixteen adults (12 men and 4 women; mean age 48 yr) seen at a participating hospital had a positive result. Molecular species-level identification occurred on explanted cardiac valves in 5 (31%) of the 16 cases; B. quintana was identified in all 5. Six patients (38%) were diagnosed with probable B. quintana infection, for a total of 11 B. quintana cases (69%); 8 (73%) of the 11 had endocarditis. Four cases of B. quintana infection (36%) were associated with rural residence. Four cases (25%) of probable B. henselae were identified; 2 patients had fever and lymphadenopathy, and 2 had endocarditis. The remaining patient was deemed to have a false-positive result as his B. henselae titre was at the threshold for positivity, his B. quintana serologic test gave a negative result, and his clinical syndrome was not suggestive of Bartonella infection. Two patients died; both had multivalvular B. quintana endocarditis with ruptured intracranial mycotic aneurysms. INTERPRETATION Bartonella quintana was a common cause of Bartonella serologic positivity among adults in Manitoba in 2010-2020 and was associated with endocarditis and systemic embolization. As B. quintana is transmitted by body lice, active case finding for people who lack suitable housing, both in urban and rural settings, should prioritize those with elevated Bartonella titres to receive echocardiography and detect endocarditis before systemic embolization occurs.
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Affiliation(s)
- Carl Boodman
- Section of Infectious Diseases (Boodman, Wuerz, Keynan), Department of Internal Medicine, Max Rady College of Medicine, University of Manitoba; Departments of Medical Microbiology and Infectious Diseases (Boodman, Lagacé-Wiens, Bullard, Stein, Keynan) and Community Health Sciences (Wuerz), Max Rady College of Medicine, University of Manitoba; Shared Health (Lagacé-Wiens); National Microbiology Laboratory (Lindsay, Dibernardo); Cadham Provincial Laboratory (Bullard, Stein), Winnipeg, Man.
| | - Terence Wuerz
- Section of Infectious Diseases (Boodman, Wuerz, Keynan), Department of Internal Medicine, Max Rady College of Medicine, University of Manitoba; Departments of Medical Microbiology and Infectious Diseases (Boodman, Lagacé-Wiens, Bullard, Stein, Keynan) and Community Health Sciences (Wuerz), Max Rady College of Medicine, University of Manitoba; Shared Health (Lagacé-Wiens); National Microbiology Laboratory (Lindsay, Dibernardo); Cadham Provincial Laboratory (Bullard, Stein), Winnipeg, Man
| | - Philippe Lagacé-Wiens
- Section of Infectious Diseases (Boodman, Wuerz, Keynan), Department of Internal Medicine, Max Rady College of Medicine, University of Manitoba; Departments of Medical Microbiology and Infectious Diseases (Boodman, Lagacé-Wiens, Bullard, Stein, Keynan) and Community Health Sciences (Wuerz), Max Rady College of Medicine, University of Manitoba; Shared Health (Lagacé-Wiens); National Microbiology Laboratory (Lindsay, Dibernardo); Cadham Provincial Laboratory (Bullard, Stein), Winnipeg, Man
| | - Robbin Lindsay
- Section of Infectious Diseases (Boodman, Wuerz, Keynan), Department of Internal Medicine, Max Rady College of Medicine, University of Manitoba; Departments of Medical Microbiology and Infectious Diseases (Boodman, Lagacé-Wiens, Bullard, Stein, Keynan) and Community Health Sciences (Wuerz), Max Rady College of Medicine, University of Manitoba; Shared Health (Lagacé-Wiens); National Microbiology Laboratory (Lindsay, Dibernardo); Cadham Provincial Laboratory (Bullard, Stein), Winnipeg, Man
| | - Antonia Dibernardo
- Section of Infectious Diseases (Boodman, Wuerz, Keynan), Department of Internal Medicine, Max Rady College of Medicine, University of Manitoba; Departments of Medical Microbiology and Infectious Diseases (Boodman, Lagacé-Wiens, Bullard, Stein, Keynan) and Community Health Sciences (Wuerz), Max Rady College of Medicine, University of Manitoba; Shared Health (Lagacé-Wiens); National Microbiology Laboratory (Lindsay, Dibernardo); Cadham Provincial Laboratory (Bullard, Stein), Winnipeg, Man
| | - Jared Bullard
- Section of Infectious Diseases (Boodman, Wuerz, Keynan), Department of Internal Medicine, Max Rady College of Medicine, University of Manitoba; Departments of Medical Microbiology and Infectious Diseases (Boodman, Lagacé-Wiens, Bullard, Stein, Keynan) and Community Health Sciences (Wuerz), Max Rady College of Medicine, University of Manitoba; Shared Health (Lagacé-Wiens); National Microbiology Laboratory (Lindsay, Dibernardo); Cadham Provincial Laboratory (Bullard, Stein), Winnipeg, Man
| | - Derek R Stein
- Section of Infectious Diseases (Boodman, Wuerz, Keynan), Department of Internal Medicine, Max Rady College of Medicine, University of Manitoba; Departments of Medical Microbiology and Infectious Diseases (Boodman, Lagacé-Wiens, Bullard, Stein, Keynan) and Community Health Sciences (Wuerz), Max Rady College of Medicine, University of Manitoba; Shared Health (Lagacé-Wiens); National Microbiology Laboratory (Lindsay, Dibernardo); Cadham Provincial Laboratory (Bullard, Stein), Winnipeg, Man
| | - Yoav Keynan
- Section of Infectious Diseases (Boodman, Wuerz, Keynan), Department of Internal Medicine, Max Rady College of Medicine, University of Manitoba; Departments of Medical Microbiology and Infectious Diseases (Boodman, Lagacé-Wiens, Bullard, Stein, Keynan) and Community Health Sciences (Wuerz), Max Rady College of Medicine, University of Manitoba; Shared Health (Lagacé-Wiens); National Microbiology Laboratory (Lindsay, Dibernardo); Cadham Provincial Laboratory (Bullard, Stein), Winnipeg, Man.
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Krügel M, Król N, Kempf VAJ, Pfeffer M, Obiegala A. Emerging rodent-associated Bartonella: a threat for human health? Parasit Vectors 2022; 15:113. [PMID: 35361285 PMCID: PMC8969336 DOI: 10.1186/s13071-022-05162-5] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Accepted: 01/11/2022] [Indexed: 01/20/2023] Open
Abstract
Background Species of the genus Bartonella are facultative intracellular alphaproteobacteria with zoonotic potential. Bartonella infections in humans range from mild with unspecific symptoms to life threatening, and can be transmitted via arthropod vectors or through direct contact with infected hosts, although the latter mode of transmission is rare. Among the small mammals that harbour Bartonella spp., rodents are the most speciose group and harbour the highest diversity of these parasites. Human–rodent interactions are not unlikely as many rodent species live in proximity to humans. However, a surprisingly low number of clinical cases of bartonellosis related to rodent-associated Bartonella spp. have thus far been recorded in humans. Methods The main purpose of this review is to determine explanatory factors for this unexpected finding, by taking a closer look at published clinical cases of bartonellosis connected with rodent-associated Bartonella species, some of which have been newly described in recent years. Thus, another focus of this review are these recently proposed species. Conclusions Worldwide, only 24 cases of bartonellosis caused by rodent-associated bartonellae have been reported in humans. Possible reasons for this low number of cases in comparison to the high prevalences of Bartonella in small mammal species are (i) a lack of awareness amongst physicians of Bartonella infections in humans in general, and especially those caused by rodent-associated bartonellae; and (ii) a frequent lack of the sophisticated equipment required for the confirmation of Bartonella infections in laboratories that undertake routine diagnostic testing. As regards recently described Bartonella spp., there are presently 14 rodent-associated Candidatus taxa. In contrast to species which have been taxonomically classified, there is no official process for the review of proposed Candidatus species and their names before they are published. This had led to the use of malformed names that are not based on the International Code of Nomenclature of Prokaryotes. Researchers are thus encouraged to propose Candidatus names to the International Committee on Systematics of Prokaryotes for approval before publishing them, and only to propose new species of Bartonella when the relevant datasets allow them to be clearly differentiated from known species and subspecies. Graphical Abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1186/s13071-022-05162-5.
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Affiliation(s)
- Maria Krügel
- Institute of Animal Hygiene and Veterinary Public Health, University of Leipzig, An den Tierkliniken 1, 04103, Leipzig, Germany
| | - Nina Król
- Institute of Animal Hygiene and Veterinary Public Health, University of Leipzig, An den Tierkliniken 1, 04103, Leipzig, Germany
| | - Volkhard A J Kempf
- Institute for Medical Microbiology and Infection Control, University Hospital, Goethe University, Frankfurt am Main, Germany.,National Consiliary Laboratory for Bartonella, Frankfurt am Main, Germany
| | - Martin Pfeffer
- Institute of Animal Hygiene and Veterinary Public Health, University of Leipzig, An den Tierkliniken 1, 04103, Leipzig, Germany
| | - Anna Obiegala
- Institute of Animal Hygiene and Veterinary Public Health, University of Leipzig, An den Tierkliniken 1, 04103, Leipzig, Germany.
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Mai BHA. Seroprevalence of Bartonella quintana infection: A systematic review. J Glob Infect Dis 2022; 14:50-56. [PMID: 35910824 PMCID: PMC9336607 DOI: 10.4103/jgid.jgid_220_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 11/20/2021] [Accepted: 12/24/2021] [Indexed: 11/23/2022] Open
Abstract
Introduction: Bartonella quintana is an anaerobic bacillus whose main target is the erythrocyte. This bacterium transmitted by the body louse notably infected the soldiers of the First World War from where the name of this disease: fever of the trenches. The 90s marked the return of this bacterial infection. B. quintana infection in the homeless was reported in the literature with a high incidence in these populations worldwide. This upsurge of cases justified this study for a better understanding of B. quintana infections. Methods: We conducted a systematic review to evaluate the seroprevalence of B. quintana infection by using Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines to collect scientific papers from PubMed and Google Scholar based on combining keywords. Results: The review included 45 articles published from April 1996 to March 2020 with 84 subpopulations of 21 countries from 4 continents; among them, 61 subpopulations had a positive rate from 0.2% to 65%. These subpopulations were divided into four main groups: homeless people, healthy people, blood donors, and symptoms/diseases. Homeless people were the main target of this infection, and three factors related to susceptibility were homeless period, age, and alcoholism. 6/11, 12/20, and 32/41 subpopulations of healthy people, blood donors, symptoms/diseases, respectively, had a positive percentage. However, factors of exposure in these three groups were not mentioned. Other reservoirs, vectors, and transmitted routes were identified to partially explain the worldwide spread of the infection, and it is important to have more further investigations to identify potential risk factors. This will help to limit contamination and prevent effectively. Conclusions: This serological overview indicated the importance of B. quintana infection that has emerged in multiple regions, touched worldwide populations.
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Edvinsson M, Norlander C, Nilsson K, Mårtensson A, Skoog E, Olsen B. Bartonella spp. seroprevalence in tick-exposed Swedish patients with persistent symptoms. Parasit Vectors 2021; 14:530. [PMID: 34641972 PMCID: PMC8507314 DOI: 10.1186/s13071-021-05043-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2021] [Accepted: 09/28/2021] [Indexed: 01/10/2023] Open
Abstract
Background Bartonella spp. are emerging pathogens transmitted by arthropod vectors, possibly including ticks. We have investigated signs of bartonellosis in Swedish patients with presumed tick-bite exposure and symptom duration of at least 6 months. Methods Serological testing for Bartonella henselae and Bartonella quintana was performed in 224 patients. Symptoms, tick exposure, evidence of co-infection and previous treatments were evaluated. Seropositive patients were compared to a matched group (twofold larger and negative serology) from the same study cohort. Results Seroprevalence was 7% for B. henselae and 1% for B. quintana, with one patient testing positive to both agents. Tick bites were reported by 63% of the patients in the seropositive group and 88% in the seronegative group and presumed tick exposure was more common in the seronegative group. Animal contact was equally common in both groups, along with reported symptoms. The most common symptoms were fatigue, muscular symptoms, arthralgia and cognitive symptoms. Exposure to co-infections was evenly distributed in the seropositive and seronegative groups. Conclusions Antibodies to Bartonella were more common in this cohort of patients than in cohorts of healthy Swedish blood donors in previous studies but lower than those in blood donors from southern Europe. Positive Bartonella serology was not linked to any specific symptom, nor to (suspected) tick-bite exposure. Graphical abstract ![]()
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Affiliation(s)
- Marie Edvinsson
- Department of Medical Sciences, Section of Infectious Diseases, Uppsala University, Uppsala, Sweden.
| | - Camilla Norlander
- Department of Medical Sciences, Section of Infectious Diseases, Uppsala University, Uppsala, Sweden
| | - Kenneth Nilsson
- Department of Medical Sciences, Section of Infectious Diseases, Uppsala University, Uppsala, Sweden.,Department of Medical Sciences, Section of Clinical Microbiology, Uppsala University, Uppsala, Sweden
| | - Andreas Mårtensson
- Department of Women's and Children's Health, International Maternal and Child Health (IMCH), Uppsala University, Uppsala, Sweden
| | - Elisabet Skoog
- Department of Medical Sciences, Section of Infectious Diseases, Uppsala University, Uppsala, Sweden
| | - Björn Olsen
- Department of Medical Sciences, Section of Infectious Diseases, Uppsala University, Uppsala, Sweden
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Boodman C, Wuerz T, Lagacé-Wiens P. Endocarditis due to Bartonella quintana, the etiological agent of trench fever. CMAJ 2021; 192:E1723-E1726. [PMID: 33288506 DOI: 10.1503/cmaj.201170] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
Affiliation(s)
- Carl Boodman
- Section of Infectious Diseases (Boodman, Wuerz), Department of Internal Medicine and Departments of Medical Microbiology and Infectious Diseases (Boodman, Lagacé-Wiens) and Community Health Sciences (Wuerz), Max Rady College of Medicine, University of Manitoba; Shared Health (Lagacé-Wiens), Winnipeg, Man
| | - Terence Wuerz
- Section of Infectious Diseases (Boodman, Wuerz), Department of Internal Medicine and Departments of Medical Microbiology and Infectious Diseases (Boodman, Lagacé-Wiens) and Community Health Sciences (Wuerz), Max Rady College of Medicine, University of Manitoba; Shared Health (Lagacé-Wiens), Winnipeg, Man
| | - Philippe Lagacé-Wiens
- Section of Infectious Diseases (Boodman, Wuerz), Department of Internal Medicine and Departments of Medical Microbiology and Infectious Diseases (Boodman, Lagacé-Wiens) and Community Health Sciences (Wuerz), Max Rady College of Medicine, University of Manitoba; Shared Health (Lagacé-Wiens), Winnipeg, Man.
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McCormick DW, Rowan SE, Pappert R, Yockey B, Dietrich EA, Petersen JM, Hinckley AF, Marx GE. Bartonella Seroreactivity Among Persons Experiencing Homelessness During an Outbreak of Bartonella quintana in Denver, Colorado, 2020. Open Forum Infect Dis 2021; 8:ofab230. [PMID: 34239947 PMCID: PMC8135998 DOI: 10.1093/ofid/ofab230] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Accepted: 05/01/2021] [Indexed: 11/14/2022] Open
Abstract
During a recent outbreak of Bartonella quintana disease in
Denver, 15% of 241 persons experiencing homelessness who presented for severe
acute respiratory syndrome coronavirus 2 testing were seroreactive for
Bartonella. Improved recognition of B
quintana disease and prevention of louse infestation are critical
for this vulnerable population.
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Affiliation(s)
- David W McCormick
- Epidemic Intelligence Service, Center for Surveillance, Epidemiology, and Laboratory Services, Centers for Disease Control and Prevention, Atlanta, Georgia, USA.,National Center for Emerging and Zoonotic Infectious Diseases, Division of Vector-Borne Disease, Centers for Disease Control and Prevention, Fort Collins, Colorado, USA
| | | | - Ryan Pappert
- National Center for Emerging and Zoonotic Infectious Diseases, Division of Vector-Borne Disease, Centers for Disease Control and Prevention, Fort Collins, Colorado, USA
| | - Brook Yockey
- National Center for Emerging and Zoonotic Infectious Diseases, Division of Vector-Borne Disease, Centers for Disease Control and Prevention, Fort Collins, Colorado, USA
| | - Elizabeth A Dietrich
- National Center for Emerging and Zoonotic Infectious Diseases, Division of Vector-Borne Disease, Centers for Disease Control and Prevention, Fort Collins, Colorado, USA
| | - Jeannine M Petersen
- National Center for Emerging and Zoonotic Infectious Diseases, Division of Vector-Borne Disease, Centers for Disease Control and Prevention, Fort Collins, Colorado, USA
| | - Alison F Hinckley
- National Center for Emerging and Zoonotic Infectious Diseases, Division of Vector-Borne Disease, Centers for Disease Control and Prevention, Fort Collins, Colorado, USA
| | - Grace E Marx
- National Center for Emerging and Zoonotic Infectious Diseases, Division of Vector-Borne Disease, Centers for Disease Control and Prevention, Fort Collins, Colorado, USA
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Boodman C, Wuerz T, Lagacé-Wiens P. Endocardite provoquée par Bartonella quintana, l’agent causal de la fièvre des tranchées. CMAJ 2021; 193:E296-E299. [PMID: 33619074 PMCID: PMC8034350 DOI: 10.1503/cmaj.201170-f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Affiliation(s)
- Carl Boodman
- Section des maladies infectieuses (Boodman, Wuerz), Département de médecine interne et Département de microbiologie médicale et des maladies infectieuses (Boodman, Lagacé-Wiens), et Département de sciences de la santé communautaire (Wuerz), Collège de médecine Max Rady, Université du Manitoba; Soins communs Manitoba (Lagacé-Wiens), Winnipeg (Manitoba)
| | - Terence Wuerz
- Section des maladies infectieuses (Boodman, Wuerz), Département de médecine interne et Département de microbiologie médicale et des maladies infectieuses (Boodman, Lagacé-Wiens), et Département de sciences de la santé communautaire (Wuerz), Collège de médecine Max Rady, Université du Manitoba; Soins communs Manitoba (Lagacé-Wiens), Winnipeg (Manitoba)
| | - Philippe Lagacé-Wiens
- Section des maladies infectieuses (Boodman, Wuerz), Département de médecine interne et Département de microbiologie médicale et des maladies infectieuses (Boodman, Lagacé-Wiens), et Département de sciences de la santé communautaire (Wuerz), Collège de médecine Max Rady, Université du Manitoba; Soins communs Manitoba (Lagacé-Wiens), Winnipeg (Manitoba)
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12
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Ly TDA, Louni M, Hoang VT, Dao TL, Badiaga S, Brouqui P, Tissot-Dupont H, Raoult D, Fournier PE, Gautret P. Epidemiological serosurvey of vector-borne and zoonotic pathogens among homeless people living in shelters in Marseille: cross-sectional one-day surveys (2005-2015). Eur J Clin Microbiol Infect Dis 2020; 39:1663-1672. [PMID: 32318966 DOI: 10.1007/s10096-020-03889-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Accepted: 03/30/2020] [Indexed: 10/23/2022]
Abstract
Homeless people are often exposed to unhygienic environments as well as to animals carrying arthropods which both transmit zoonotic infections and human louse-borne pathogens. We attempted to determine the prevalence of antibodies against several vector-borne and zoonotic pathogens among homeless adults living in Marseille. During the 2005-2015 period, we collected sera samples from 821 homeless adults living in shelters. Antibodies against Bartonella quintana, Bartonella henselae, Borrelia recurrentis, Coxiella burnetii, Francisella tularensis (with a cut-off of 1:100), Rickettsia akari, Rickettsia conorii, Rickettsia felis, Rickettsia prowazekii, and Rickettsia typhi (with a cut-off of 1:64) were searched by microimmunofluorescence (MIF). MIF-positive serum samples were confirmed by cross-adsorption to characterise cross-reacting antigens and immunoblotting. Positive sera by Western blot were further tested using qPCR. We evidenced a prevalence of 4.9% seroreactivity to at least one pathogen including phase II C. burnetii (2.1%), B. quintana (1.7%), R. conorii (0.4%), R. prowazekii (0.4%), R. typhi (0.1%), B. recurrentis (0.1%), and F. tularensis (0.1%). No DNA from any pathogens was detected. A comparison with studies conducted prior to the 2000-2003 period showed a decrease in the overall seroprevalence of several vector-borne and zoonotic infections.
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Affiliation(s)
- Tran Duc Anh Ly
- Aix Marseille Univ, IRD, AP-HM, SSA, VITROME, Marseille, France
- Institut Hospitalo-Universitaire Méditerranée Infection, Marseille, France
| | - Meriem Louni
- Aix Marseille Univ, IRD, AP-HM, SSA, VITROME, Marseille, France
- Institut Hospitalo-Universitaire Méditerranée Infection, Marseille, France
| | - Van Thuan Hoang
- Aix Marseille Univ, IRD, AP-HM, SSA, VITROME, Marseille, France
- Institut Hospitalo-Universitaire Méditerranée Infection, Marseille, France
- Family Medicine Department, Thai Binh University of Medicine and Pharmacy, Thai Binh, Vietnam
| | - Thi Loi Dao
- Aix Marseille Univ, IRD, AP-HM, SSA, VITROME, Marseille, France
- Institut Hospitalo-Universitaire Méditerranée Infection, Marseille, France
- Pneumology Department, Thai Binh University of Medicine and Pharmacy, Thai Binh, Vietnam
| | - Sekene Badiaga
- Institut Hospitalo-Universitaire Méditerranée Infection, Marseille, France
- Aix Marseille Univ, Service des urgences CHU Hôpital Nord, Marseille, France
| | - Phillipe Brouqui
- Institut Hospitalo-Universitaire Méditerranée Infection, Marseille, France
- Aix Marseille Univ, MEPHI, Marseille, France
| | - Hervé Tissot-Dupont
- Institut Hospitalo-Universitaire Méditerranée Infection, Marseille, France
- Aix Marseille Univ, MEPHI, Marseille, France
| | - Didier Raoult
- Institut Hospitalo-Universitaire Méditerranée Infection, Marseille, France
- Aix Marseille Univ, MEPHI, Marseille, France
| | - Pierre-Edouard Fournier
- Aix Marseille Univ, IRD, AP-HM, SSA, VITROME, Marseille, France
- Institut Hospitalo-Universitaire Méditerranée Infection, Marseille, France
| | - Philippe Gautret
- Aix Marseille Univ, IRD, AP-HM, SSA, VITROME, Marseille, France.
- Institut Hospitalo-Universitaire Méditerranée Infection, Marseille, France.
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13
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Promer K, Cowell AN, Reed SL, Castellanos LR, Aronoff-Spencer E. Bartonella quintana Endocarditis in a Homeless Man with Cat Exposure in San Diego, California. Vector Borne Zoonotic Dis 2020; 20:468-470. [PMID: 31916921 DOI: 10.1089/vbz.2019.2556] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
We report a case of Bartonella quintana endocarditis in a homeless man with congenital bicuspid aortic valve and significant cat exposure living in downtown San Diego, California.
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Affiliation(s)
- Katherine Promer
- Division of Infectious Diseases and Global Public Health, UC San Diego Health Department of Medicine, San Diego, California, USA
| | - Annie N Cowell
- Division of Infectious Diseases and Global Public Health, UC San Diego Health Department of Medicine, San Diego, California, USA
| | - Sharon L Reed
- Division of Infectious Diseases and Global Public Health, UC San Diego Health Department of Medicine, San Diego, California, USA
| | - Luis R Castellanos
- Division of Cardiovascular Medicine, UC San Diego Health Department of Medicine, San Diego, California, USA
| | - Eliah Aronoff-Spencer
- Division of Infectious Diseases and Global Public Health, UC San Diego Health Department of Medicine, San Diego, California, USA
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14
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Cheslock MA, Embers ME. Human Bartonellosis: An Underappreciated Public Health Problem? Trop Med Infect Dis 2019; 4:tropicalmed4020069. [PMID: 31010191 PMCID: PMC6630881 DOI: 10.3390/tropicalmed4020069] [Citation(s) in RCA: 70] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2019] [Revised: 04/12/2019] [Accepted: 04/16/2019] [Indexed: 12/21/2022] Open
Abstract
Bartonella spp. bacteria can be found around the globe and are the causative agents of multiple human diseases. The most well-known infection is called cat-scratch disease, which causes mild lymphadenopathy and fever. As our knowledge of these bacteria grows, new presentations of the disease have been recognized, with serious manifestations. Not only has more severe disease been associated with these bacteria but also Bartonella species have been discovered in a wide range of mammals, and the pathogens’ DNA can be found in multiple vectors. This review will focus on some common mammalian reservoirs as well as the suspected vectors in relation to the disease transmission and prevalence. Understanding the complex interactions between these bacteria, their vectors, and their reservoirs, as well as the breadth of infection by Bartonella around the world will help to assess the impact of Bartonellosis on public health.
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Affiliation(s)
- Mercedes A Cheslock
- Division of Immunology, Tulane National Primate Research Center, Tulane University Health Sciences, Covington, LA 70433, USA.
| | - Monica E Embers
- Division of Immunology, Tulane National Primate Research Center, Tulane University Health Sciences, Covington, LA 70433, USA.
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15
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Abstract
Since the reclassification of the genus Bartonella in 1993, the number of species has grown from 1 to 45 currently designated members. Likewise, the association of different Bartonella species with human disease continues to grow, as does the range of clinical presentations associated with these bacteria. Among these, blood-culture-negative endocarditis stands out as a common, often undiagnosed, clinical presentation of infection with several different Bartonella species. The limitations of laboratory tests resulting in this underdiagnosis of Bartonella endocarditis are discussed. The varied clinical picture of Bartonella infection and a review of clinical aspects of endocarditis caused by Bartonella are presented. We also summarize the current knowledge of the molecular basis of Bartonella pathogenesis, focusing on surface adhesins in the two Bartonella species that most commonly cause endocarditis, B. henselae and B. quintana. We discuss evidence that surface adhesins are important factors for autoaggregation and biofilm formation by Bartonella species. Finally, we propose that biofilm formation is a critical step in the formation of vegetative masses during Bartonella-mediated endocarditis and represents a potential reservoir for persistence by these bacteria.
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16
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Kim JH, Previte DJ, Yoon KS, Murenzi E, Koehler JE, Pittendrigh BR, Lee SH, Clark JM. Comparison of the proliferation and excretion of Bartonella quintana between body and head lice following oral challenge. INSECT MOLECULAR BIOLOGY 2017; 26:266-276. [PMID: 28105732 PMCID: PMC5400725 DOI: 10.1111/imb.12292] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Human body and head lice are highly related haematophagous ectoparasites but only the body louse has been shown to transmit Bartonella quintana, the causative agent of trench fever. The mechanisms by which body lice became a vector for B. quintana, however, are poorly understood. Following oral challenge, green fluorescent protein-expressing B. quintana proliferated over 9 days postchallenge with the number of bacteria being significantly higher in whole body vs. head lice. The numbers of B. quintana detected in faeces from infected lice, however, were approximately the same in both lice. Nevertheless, the viability of B. quintana was significantly higher in body louse faeces. Comparison of immune responses in alimentary tract tissues revealed that basal transcription levels of peptidoglycan recognition protein and defensins were lower in body lice and the transcription of defensin 1 was up-regulated by oral challenge with wild-type B. quintana in head but not in body lice. In addition, the level of cytotoxic reactive oxygen species generated by epithelial cells was significantly lower in body lice. Although speculative at this time, the reduced immune response is consistent with the higher vector competence seen in body vs. head lice in terms of B. quintana infection.
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Affiliation(s)
- J H Kim
- Department of Agricultural Biotechnology, Seoul National University, Seoul, Korea
| | - D J Previte
- Molecular and Cellular Biology Program, University of Massachusetts, Amherst, MA, USA
| | - K S Yoon
- Department of Biological Sciences and Environmental Sciences Program, Southern Illinois University-Edwardsville, Edwardsville, IL, USA
| | - E Murenzi
- Molecular and Cellular Biology Program, University of Massachusetts, Amherst, MA, USA
| | - J E Koehler
- Microbial Pathogenesis and Host Defense Program, and Division of Infectious Diseases, Department of Medicine, University of California, San Francisco, CA, USA
| | - B R Pittendrigh
- Department of Entomology, University of Illinois Urbana-Champaign, Urbana, IL, USA
| | - S H Lee
- Department of Agricultural Biotechnology, Seoul National University, Seoul, Korea
- Research Institute for Agriculture and Life Science, Seoul National University, Seoul, Korea
| | - J M Clark
- Department of Veterinary & Animal Science, University of Massachusetts, Amherst, MA, USA
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17
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Leibler JH, Zakhour CM, Gadhoke P, Gaeta JM. Zoonotic and Vector-Borne Infections Among Urban Homeless and Marginalized People in the United States and Europe, 1990-2014. Vector Borne Zoonotic Dis 2016; 16:435-44. [PMID: 27159039 DOI: 10.1089/vbz.2015.1863] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
INTRODUCTION In high-income countries, homeless individuals in urban areas often live in crowded conditions with limited sanitation and personal hygiene. The environment of homelessness in high-income countries may result in intensified exposure to ectoparasites and urban wildlife, which can transmit infections. To date, there have been no systematic evaluations of the published literature to assess vector-borne and zoonotic disease risk to these populations. OBJECTIVES The primary objectives of this study were to identify diversity, prevalence, and risk factors for vector-borne and zoonotic infections among people experiencing homelessness and extreme poverty in urban areas of high-income countries. METHODS We conducted a systematic review and narrative synthesis of published epidemiologic studies of zoonotic and vector-borne infections among urban homeless and very poor people in the United States and Europe from 1990 to 2014. RESULTS Thirty-one observational studies and 14 case studies were identified (n = 45). Seroprevalence to the human louse-borne pathogen Bartonella quintana (seroprevalence range: 0-37.5%) was identified most frequently, with clinical disease specifically observed among HIV-positive individuals. Seropositivity to Bartonella henselae (range: 0-10.3%) and Rickettsia akari (range: 0-16.2%) was noted in multiple studies. Serological evidence of exposure to Rickettsia typhi, Rickettsia prowazekii, Bartonella elizabethae, West Nile virus, Borellia recurrentis, lymphocytic choriomeningitis virus, Wohlfartiimonas chitiniclastica, Seoul hantavirus (SEOV), and Leptospira species was also identified in published studies, with SEOV associated with chronic renal disease later in life. HIV infection, injection drug use, and heavy drinking were noted across multiple studies as risk factors for infection with vector-borne and zoonotic pathogens. CONCLUSIONS B. quintana was the most frequently reported vector-borne infection identified in our article. Delousing efforts and active surveillance among HIV-positive individuals, who are at elevated risk of complication from B. quintana infection, are advised to reduce morbidity. Given documented exposure to rodent-borne zoonoses among urban homeless and marginalized people, reducing human contact with rodents remains an important public health priority.
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Affiliation(s)
- Jessica H Leibler
- 1 Department of Environmental Health, Boston University School of Public Health , Boston, Massachusetts
| | - Christine M Zakhour
- 2 Department of Epidemiology, Boston University School of Public Health , Boston, Massachusetts
| | - Preety Gadhoke
- 3 College of Pharmacy and Health Sciences, St. Johns University , Queens, New York
| | - Jessie M Gaeta
- 4 Boston Health Care for the Homeless Program, Boston, Massachusetts.,5 Department of Medicine, Boston University School of Medicine, Boston, Massachusetts
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18
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Kim MH, Kim BN, Han TH. Cat-Scratch Disease: A Case Report and Literature Review of Human and Animal Studies Performed in Korea. Infect Chemother 2012. [DOI: 10.3947/ic.2012.44.4.299] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Affiliation(s)
- Min Hee Kim
- Department of Internal Medicine, Inje University Sanggye Paik Hospital, Seoul, Korea
| | - Baek-Nam Kim
- Department of Internal Medicine, Inje University Sanggye Paik Hospital, Seoul, Korea
| | - Tae Hee Han
- Department of Laboratory Medicine, Inje University Sanggye Paik Hospital, Seoul, Korea
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19
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Abstract
Bartonella spp. are facultative intracellular pathogens that employ a unique stealth infection strategy comprising immune evasion and modulation, intimate interaction with nucleated cells, and intraerythrocytic persistence. Infections with Bartonella are ubiquitous among mammals, and many species can infect humans either as their natural host or incidentally as zoonotic pathogens. Upon inoculation into a naive host, the bartonellae first colonize a primary niche that is widely accepted to involve the manipulation of nucleated host cells, e.g., in the microvasculature. Consistently, in vitro research showed that Bartonella harbors an ample arsenal of virulence factors to modulate the response of such cells, gain entrance, and establish an intracellular niche. Subsequently, the bacteria are seeded into the bloodstream where they invade erythrocytes and give rise to a typically asymptomatic intraerythrocytic bacteremia. While this course of infection is characteristic for natural hosts, zoonotic infections or the infection of immunocompromised patients may alter the path of Bartonella and result in considerable morbidity. In this review we compile current knowledge on the molecular processes underlying both the infection strategy and pathogenesis of Bartonella and discuss their connection to the clinical presentation of human patients, which ranges from minor complaints to life-threatening disease.
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Affiliation(s)
- Alexander Harms
- Focal Area Infection Biology, Biozentrum, University of Basel, Switzerland
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20
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Maggi RG, Mascarelli PE, Pultorak EL, Hegarty BC, Bradley JM, Mozayeni BR, Breitschwerdt EB. Bartonella spp. bacteremia in high-risk immunocompetent patients. Diagn Microbiol Infect Dis 2011; 71:430-7. [DOI: 10.1016/j.diagmicrobio.2011.09.001] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2011] [Revised: 08/31/2011] [Accepted: 09/01/2011] [Indexed: 10/16/2022]
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21
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Desenclos JC, Laporte A, Brouqui P. Les infections humaines transmises par les poux. Med Mal Infect 2011; 41:295-300. [DOI: 10.1016/j.medmal.2011.02.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2009] [Revised: 12/13/2010] [Accepted: 02/07/2011] [Indexed: 11/28/2022]
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22
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Update on Emerging Infections: News From the Centers for Disease Control and Prevention. Ann Emerg Med 2010; 55:280-2; discussion 282-3. [DOI: 10.1016/j.annemergmed.2009.12.029] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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23
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Bonilla DL, Kabeya H, Henn J, Kramer VL, Kosoy MY. Bartonella quintana in body lice and head lice from homeless persons, San Francisco, California, USA. Emerg Infect Dis 2009; 15:912-5. [PMID: 19523290 PMCID: PMC2727331 DOI: 10.3201/eid1506.090054] [Citation(s) in RCA: 93] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Bartonella quintana is a bacterium that causes trench fever in humans. Past reports have shown Bartonella spp. infections in homeless populations in San Francisco, California, USA. The California Department of Public Health in collaboration with San Francisco Project Homeless Connect initiated a program in 2007 to collect lice from the homeless to test for B. quintana and to educate the homeless and their caregivers on prevention and control of louse-borne disease. During 2007-2008, 33.3% of body lice-infested persons and 25% of head lice-infested persons had lice pools infected with B. quintana strain Fuller. Further work is needed to examine how homeless persons acquire lice and determine the risk for illness to persons infested with B. quintana-infected lice.
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Affiliation(s)
- Denise L Bonilla
- California Department of Public Health, Vector-Borne Disease Section, Richmond, California 94804, USA.
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24
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George JG, Bradley JC, Kimbrough RC, Shami MJ. Bartonella quintana associated neuroretinitis. ACTA ACUST UNITED AC 2009; 38:127-8. [PMID: 16449005 DOI: 10.1080/00365540500372929] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
We report an observational case of Bartonella quintana-associated neuroretinitis. The patient had a positive IgM IFA titer for Bartonella quintana early in the disease. After treatment, the neuroretinitis and IgM resolved. Given the patient's history, symptoms, response to treatment, and IgM course, we believe his neuroretinitis was secondary to Bartonella quintana.
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Affiliation(s)
- Joel G George
- Department of Ophthalmology and Visual Sciences, School of Medicine, Texas Tech University Health Sciences Center, Lubbock, Texas, USA.
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25
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Ehrenborg C, Byström R, Hjelm E, Friman G, Holmberg M. High Bartonella spp. seroprevalence in a Swedish homeless population but no evidence of trench fever. ACTA ACUST UNITED AC 2009; 40:208-15. [PMID: 17852922 DOI: 10.1080/00365540701632972] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Blood samples and epidemiological data were collected from 50 homeless patients in central Stockholm, Sweden. Sera were analysed for antibodies to B. henselae, B. quintana, B. elizabethae and B. grahamii. Whole blood was cultured and used as substrate for a newly developed quantitative real time polymerase chain reaction (QPCR) specifically targeting Bartonella spp. DNA. 61 matched blood donor sera were used as controls. Homeless patients were significantly more often seropositive to Bartonella spp. than controls (OR 7.58 (3.30-17.39), p<0.05). Reactivity to the B. elizabethae antigen was dominating, although the difference between patients and controls was most significant in seroreactivity to the B. henselae antigen. There was no evidence of an ongoing B. quintana epidemic. The absence of louse infestation could explain the lack of B. quintana bacteraemia and the failure to amplify Bartonella DNA.
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Affiliation(s)
- Christian Ehrenborg
- Infectious Diseases, Care Centre for homeless people, Beroendecentrum, Stockholm, Sweden.
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26
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McGill S, Wesslén L, Hjelm E, Holmberg M, Auvinen MK, Berggren K, Grandin-Jarl B, Johnson U, Wikström S, Friman G. Bartonella spp. seroprevalence in healthy Swedish blood donors. ACTA ACUST UNITED AC 2009; 37:723-30. [PMID: 16191889 DOI: 10.1080/00365540510012152] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Serum samples were collected from healthy blood donors in 5 regions in Sweden in 1999, i.e. from the local Blood Centres (collecting facilities) in Boden, Jönköping, Lund, Skövde, and Uppsala. In total, 498 serum samples (63% males, 37% females) were received and tested by immunofluorescence assay for antibodies against B. elizabethae, B. grahamii, B. henselae (Houston-1), B. henselae (Marseille), B. quintana, and B. vinsonii subsp. vinsonii. An overall Bartonella spp. seroprevalence of 16.1% was found, with a predominance of immunoreactivity to B. elizabethae, at 14.1%; B. grahamii, 2.6%; B. henselae (Houston-1), 1.2%; B. henselae (Marseille), 1.8%; B. quintana, 0.2%; and B. vinsonii subsp. vinsonii, 0.0%. Univariate and multivariate analyses of epidemiological and demographical information revealed an increased rate of B. elizabethae seropositivity in blood donors working outdoors, being out in the wild a minimum of once a week, hunting moose, having cat contact, and travelling to Eastern Europe. Living in the southern region of Sweden (Lund area) was associated with decreased seropositivity to B. elizabethae.
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Affiliation(s)
- Svena McGill
- Infectious Diseases, Uppsala University Hospital, Uppsala
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27
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Jenkins NE, Ferguson DJP, Alp NJ, Harrison TG, Bowler ICJW. Urban trench fever presenting as culture-negative endocarditis. QJM 2009; 102:63-5. [PMID: 18835881 DOI: 10.1093/qjmed/hcn118] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
A young Russian man presented with increasing shortness of breath and signs of worsening aortic regurgitation. A diagnosis of infective endocarditis was made before emergency valve replacement. The infective cause was not discovered by routine culture but was suggested by electron microscopy and confirmed by serology and PCR testing.
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Affiliation(s)
- N E Jenkins
- Department of Infectious Diseases and Microbiology, John Radcliffe Hospital, Oxford, Oxon OX39DU, UK.
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28
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Abstract
In the United States, there is a largely hidden burden of diseases caused by a group of chronic and debilitating parasitic, bacterial, and congenital infections known as the neglected infections of poverty. Like their neglected tropical disease counterparts in developing countries, the neglected infections of poverty in the US disproportionately affect impoverished and under-represented minority populations. The major neglected infections include the helminth infections, toxocariasis, strongyloidiasis, ascariasis, and cysticercosis; the intestinal protozoan infection trichomoniasis; some zoonotic bacterial infections, including leptospirosis; the vector-borne infections Chagas disease, leishmaniasis, trench fever, and dengue fever; and the congenital infections cytomegalovirus (CMV), toxoplasmosis, and syphilis. These diseases occur predominantly in people of color living in the Mississippi Delta and elsewhere in the American South, in disadvantaged urban areas, and in the US-Mexico borderlands, as well as in certain immigrant populations and disadvantaged white populations living in Appalachia. Preliminary disease burden estimates of the neglected infections of poverty indicate that tens of thousands, or in some cases, hundreds of thousands of poor Americans harbor these chronic infections, which represent some of the greatest health disparities in the United States. Specific policy recommendations include active surveillance (including newborn screening) to ascertain accurate population-based estimates of disease burden; epidemiological studies to determine the extent of autochthonous transmission of Chagas disease and other infections; mass or targeted treatments; vector control; and research and development for new control tools including improved diagnostics and accelerated development of a vaccine to prevent congenital CMV infection and congenital toxoplasmosis.
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Affiliation(s)
- Peter J Hotez
- Department of Microbiology, Immunology, and Tropical Medicine, The George Washington University and Sabin Vaccine Institute, Washington, D.C., USA.
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Pons I, Sanfeliu I, Nogueras MM, Sala M, Cervantes M, Amengual MJ, Segura F. Seroprevalence of Bartonella spp. infection in HIV patients in Catalonia, Spain. BMC Infect Dis 2008; 8:58. [PMID: 18452613 PMCID: PMC2390557 DOI: 10.1186/1471-2334-8-58] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2007] [Accepted: 05/01/2008] [Indexed: 11/20/2022] Open
Abstract
Background Although the first clinical descriptions of Bartonella infection were associated with immunocompromised patient with bacillary angiomatosis, we currently know that this organism is directly involved in diseases affecting a large number of patients, regardless of their immune status. Cat scratch disease, hepatic peliosis, and some cases of bacteraemia and endocarditis, are directly caused by some species of the genus Bartonella. The purpose of this study was to determinate the prevalence of IgG antibodies against Bartonella henselae and B. quintana in HIV patients and to identify the epidemiological factors involved. Methods Serum samples were collected from HIV patients treated at Hospital de Sabadell. Antibodies to B. henselae and B. quintana from 340 patients were examined by indirect immunofluorescence assay (IFA). Significance levels for univariate statistical test were determined by the Mann-Whitney U test and χ2 test. Results Of 340 patients, 82 were women and 258 men, with a median age of 42.21 ± 10.35 years (range 16–86 years). Seventy-six (22.3%) patients reacted with one or more Bartonella antigens. Of all the factors concerning the seroprevalence rate being studied (age, sex, intravenous drugs use, alcohol consumption, CD4 levels, AIDS, HCV, HBV, residential area), only age was statistically significant. Conclusion A high percentage of HIV patients presents antibodies to Bartonella and is increasing with age.
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Affiliation(s)
- Immaculada Pons
- Infectious Diseases Program, Hospital de Sabadell Institut Universitari Parc Taulí UAB, Sabadell, Spain.
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Lamas C, Curi A, Bóia MN, Lemos ERS. Human bartonellosis: seroepidemiological and clinical features with an emphasis on data from Brazil - A review. Mem Inst Oswaldo Cruz 2008; 103:221-35. [DOI: 10.1590/s0074-02762008000300001] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2007] [Accepted: 05/06/2008] [Indexed: 11/21/2022] Open
Affiliation(s)
- C Lamas
- Laboratório de Hantaviroses e Rickettsioses; Fiocruz, Brasil
| | | | | | - ERS Lemos
- Laboratório de Hantaviroses e Rickettsioses
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31
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Schulte B, Linke D, Klumpp S, Schaller M, Riess T, Autenrieth IB, Kempf VAJ. Bartonella quintana variably expressed outer membrane proteins mediate vascular endothelial growth factor secretion but not host cell adherence. Infect Immun 2006; 74:5003-13. [PMID: 16926391 PMCID: PMC1594870 DOI: 10.1128/iai.00663-06] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Bartonella quintana causes trench fever, endocarditis, and the vasculoproliferative disorders bacillary angiomatosis and peliosis hepatis in humans. Little is known about the interaction of this pathogen with host cells. We attempted to elucidate the interaction of B. quintana with human macrophages (THP-1) and epithelial cells (HeLa 229). Remarkably, only B. quintana strain JK-31 induced secretion of vascular endothelial growth factor (VEGF) from THP-1 and HeLa 229 cells upon infection similar to the secretion induced by B. henselae Marseille, whereas other strains (B. quintana 2-D70, B. quintana Toulouse, and B. quintana Munich) did not induce such secretion. Immunofluorescence testing and electron microscopy revealed that the B. quintana strains unable to induce VEGF secretion did not express the variable outer membrane proteins (Vomps) on their surfaces. Surprisingly, the increase in VEGF secretion mediated by B. quintana JK-31 was not paralleled by elevated host cell adherence rates compared with the rates for Vomp-negative B. quintana strains. Our results suggest that the Vomps play a leading role in the angiogenic reprogramming of host cells by B. quintana but not in the adherence to host cells.
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Affiliation(s)
- Berit Schulte
- Institut für Medizinische Mikrobiologie und Hygiene, Elfriede-Aulhorn-Strasse 6, D-72076 Tübingen, Germany
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32
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Abstract
The pathogen is reemerging in the United States and Europe and is responsible for a number of clinical conditions. Bartonella quintana, a pathogen that is restricted to human hosts and louse vectors, was first characterized as the agent of trench fever. The disease was described in 1915 on the basis of natural and experimental infections in soldiers. It is now recognized as a reemerging pathogen among homeless populations in cities in the United States and Europe and is responsible for a wide spectrum of conditions, including chronic bacteremia, endocarditis, and bacillary angiomatosis. Diagnosis is based on serologic analysis, culture, and molecular biology. Recent characterization of its genome allowed the development of modern diagnosis and typing methods. Guidelines for the treatment of B. quintana infections are presented.
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33
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Mändle T, Einsele H, Schaller M, Neumann D, Vogel W, Autenrieth IB, Kempf VAJ. Infection of human CD34+ progenitor cells with Bartonella henselae results in intraerythrocytic presence of B. henselae. Blood 2005; 106:1215-22. [PMID: 15860668 DOI: 10.1182/blood-2004-12-4670] [Citation(s) in RCA: 67] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Although there is evidence that endothelial cells are important targets for human pathogenic Bartonella species, the primary niche of infection is unknown. Here we elucidated whether human CD34+ hematopoietic progenitor cells (HPCs) internalize B. henselae and may serve as a potential niche of the pathogen. We showed that B. henselae does not adhere to or invade human erythrocytes. In contrast, B. henselae invades and persists in HPCs as shown by gentamicin protection assays, confocal laser scanning microscopy (CLSM), and electron microscopy (EM). Fluorescence-activated cell sorting (FACS) analysis of glycophorin A expression revealed that erythroid differentiation of HPCs was unaffected following infection with B. henselae. The number of intracellular B. henselae continuously increased over a 13-day period. When HPCs were infected with B. henselae immediately after isolation, intracellular bacteria were subsequently detectable in differentiated erythroid cells on day 9 and day 13 after infection, as shown by CLSM, EM, and FACS analysis. Our data provide, for the first time, evidence that a bacterial pathogen is able to infect and persist in differentiating HPCs, and suggest that HPCs might serve as a potential primary niche in Bartonella infections.
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Affiliation(s)
- Tanja Mändle
- Institut für Medizinische Mikrobiologie und Hygiene, Elfriede-Aulhorn-Str 6, D-72076, Tübingen, Germany
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34
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Abstract
Bites, stings and infestations can be fatal. Anaphylaxis to vespids and bees can be prevented with immunotherapy. Patients should be referred to an allergist. The acute care and prevention of arthropod injury is discussed below.
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Affiliation(s)
- Dirk M Elston
- Department of Dermatology, Geisinger Medical Center, Danville, PA 17821, USA.
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35
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Brouqui P, Stein A, Dupont HT, Gallian P, Badiaga S, Rolain JM, Mege JL, La Scola B, Berbis P, Raoult D. Ectoparasitism and vector-borne diseases in 930 homeless people from Marseilles. Medicine (Baltimore) 2005; 84:61-68. [PMID: 15643300 DOI: 10.1097/01.md.0000152373.07500.6e] [Citation(s) in RCA: 105] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Homeless people are particularly exposed to ectoparasites, but their exposure to arthropod-borne diseases has not been evaluated systematically. A medical team of 27 persons (7 nurses, 6 infectious disease residents or fellows, 2 dermatologists, and 12 infectious disease specialists) visited the 2 shelters in Marseilles, France, for 4 consecutive years. Homeless volunteers were interviewed, examined, and received care; and blood was sampled for cell counts and detection of bacteremia, antibodies to louse-borne (Rickettsia prowazekii, Bartonella quintana, and Borrelia recurrentis), flea-borne (R. typhi, R. felis), mite-borne (R. akari), and tick-borne (R. conorii) bacterial agents. We selected sex- and age-adjusted controls among healthy blood donors. Over 4 years, 930 homeless people were enrolled. Lice were found in 22% and were associated with hypereosinophilia (odds ratio, 5.7; 95% confidence intervals, 1.46-22.15). Twenty-seven patients (3%) with scabies were treated with ivermectin. Bartonella quintana was isolated from blood culture in 50 patients (5.3%), 36 of whom were treated effectively. The number of bacteremic patient increased from 3.4% to 8.4% (p = 0.02) over the 4 years of the study. We detected a higher seroprevalence to Borrelia recurrentis, R. conorii, and R. prowazekii antibodies in the homeless. Our study shows a high prevalence of louse-borne infections in the homeless and a high degree of exposure to tick-borne diseases and scabies. Despite effective treatment for Bartonella quintana bacteremia and the efforts made to delouse this population, Bartonella quintana remains endemic, and we found hallmarks of epidemic typhus and relapsing fever. The uncontrolled louse infestation of this population should alert the community to the possibility of severe re-emerging louse-borne infections.
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Affiliation(s)
- Philippe Brouqui
- From Maladies Infectieuses et Tropicales (P Brouqui), Service des Urgences (SB), Service de Dermatologie (P Berbis), CHU Nord, AP-HM; Unité des Rickettsies (P Brouqui, AS, HTD, JMR, JLM, BLS, DR), CNRS UMR 6020, IFR 48, Faculté de Médecine; Service des Maladies Infectieuses (AS, HTD), CHU Conception, AP-HM; Centre National de Transfusion Sanguine (PG); Marseilles, France
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36
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Al-Majali AM. Seroprevalence of and risk factors for Bartonella henselae and Bartonella quintana infections among pet cats in Jordan. Prev Vet Med 2004; 64:63-71. [PMID: 15219970 DOI: 10.1016/j.prevetmed.2004.03.008] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2003] [Revised: 01/09/2004] [Accepted: 03/25/2004] [Indexed: 11/26/2022]
Abstract
To determine the seroprevalences of Bartonella henselae and Bartonella quintana antibodies in Jordanian pet cats, serum samples from 153 cats from three geographical regions were analyzed. Seroprevalences were determined by indirect immunofluorescence. The true seroprevalences to B. henselae and B. quintana were 32 and 1.5%, respectively. The seroprevalence of B. henselae-specific antibodies in cats from northern Jordan was significantly higher than in cats from the central or southern parts of Jordan. The seroprevalence to B. henselae increased to age 2 years. Odds of seropositivity were higher in cats living outdoors, showing hunting behavior, having a flea infestation and of a mixed breed. No association was detected with sex.
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Affiliation(s)
- Ahmad M Al-Majali
- Department of Veterinary Clinical Sciences, School of Veterinary Medicine, Jordan University of Science and Technology, P.O. Box 3030, Irbid 22110, Jordan.
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37
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Abstract
The 3 major lice that infest humans are Pediculus humanus capitis (head louse), Pthirus pubis (crab louse), and Pediculus humanus humanus (body louse). Patients with louse infestation present with scalp pruritus, excoriations, cervical lymphadenopathy, and conjunctivitis. A hypersensitivity rash, or pediculid, may mimic a viral exanthem. Head lice infestation crosses all economic and social boundaries, whereas body lice infestation preferentially affects the homeless and displaced. Body lice are major vectors of diseases such as typhus, trench fever, and relapsing fever. Pubic lice infestation often is acquired as a sexually transmitted disease and may be a marker to screen for other sexually transmitted diseases. Treatment of louse infestation can be challenging. Mechanical measures, such as combing, are helpful as adjunctive measures, but most studies suggest they are not as effective as chemical agents. Resistance to chemical agents is a growing problem. Major types of resistance include knock-down resistance, glutathione-S-transferase-based resistance, and monooxygenase-based resistance. Research is needed to identify new effective treatments.
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Affiliation(s)
- Christine J Ko
- Department of Dermatology, University of California at Irvine, USA
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38
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Foucault C, Raoult D, Brouqui P. Randomized open trial of gentamicin and doxycycline for eradication of Bartonella quintana from blood in patients with chronic bacteremia. Antimicrob Agents Chemother 2003; 47:2204-7. [PMID: 12821469 PMCID: PMC161867 DOI: 10.1128/aac.47.7.2204-2207.2003] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Chronic Bartonella quintana bacteremia is known to occur in homeless people exposed to lice. We present here the results of an open randomized trial performed to evaluate the efficacy of doxycycline in combination with gentamicin in the eradication of B. quintana bacteremia. From 1 January 2001 to 1 April 2002, homeless people with blood cultures positive for B. quintana were randomized to receive either no treatment (untreated controls) or a combination of gentamicin (3 mg/kg of body weight/day intravenously for 14 days) and doxycycline (200 mg/day orally for 28 days). Patients were evaluated from the results of blood cultures performed between day 28 (the end of treatment) and day 90 postinclusion. Intention-to-treat analysis of 20 included patients showed eradication of bacteremia in 7 out of 9 treated patients versus 2 out of 11 untreated controls (P = 0.01). In the per-protocol analysis, eradication was obtained for 7 out of 7 treated patients versus 2 out of 9 untreated controls (P = 0.003). This study demonstrates the efficiency of the combination of doxycycline and gentamicin in eradicating B. quintana bacteremia.
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Affiliation(s)
- C Foucault
- Unité des Rickettsies, CNRS UMR 6020, IFR48, Faculté de Médecine, Université de la Méditerranée, 13385 Marseille Cedex 05, France
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39
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Rolain JM, Gouriet F, Enea M, Aboud M, Raoult D. Detection by immunofluorescence assay of Bartonella henselae in lymph nodes from patients with cat scratch disease. CLINICAL AND DIAGNOSTIC LABORATORY IMMUNOLOGY 2003; 10:686-91. [PMID: 12853405 PMCID: PMC164252 DOI: 10.1128/cdli.10.4.686-691.2003] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Laboratory diagnosis of Bartonella henselae infections can be accomplished by serology or PCR assay on biopsy samples. The purpose of our work was to assess immunofluorescence detection (IFD) in lymph node smears using a specific monoclonal antibody directed against B. henselae and a commercial serology assay (IFA) compared with PCR detection. Among 200 lymph nodes examined from immunocompetent patients, 54 were positive for B. henselae by PCR, of which 43 were also positive by IFD. Among the 146 PCR-negative lymph nodes, 11 were positive by IFD. Based on PCR results, the specificity of this new technique was 92.5%, the sensitivity was 79.6%, and the positive predictive value was 79.6%. At a cutoff titer of 64, the sensitivity of the IFA was 86.8% and the specificity was 74.1%. Diagnosis of cat scratch disease (CSD) may be improved, with a specificity of 100%, when the two tests (IFD and IFA) were negative; the sensitivity was 97.4% if one of the two tests was positive. Since PCR-based detection with biopsy samples is available only in reference laboratories, we suggest using IFD coupled with the commercial serology test for the diagnosis of CSD.
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Affiliation(s)
- J M Rolain
- Unité des Rickettsies, CNRS UMR 6020A, Faculté de Médecine, Université de la Méditerranée, 13385 Marseille Cedex 05, France
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40
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Matera G, Liberto MC, Quirino A, Barreca GS, Lamberti AG, Iannone M, Mancuso E, Palma E, Cufari FA, Rotiroti D, Focà A. Bartonella quintana lipopolysaccharide effects on leukocytes, CXC chemokines and apoptosis: a study on the human whole blood and a rat model. Int Immunopharmacol 2003; 3:853-64. [PMID: 12781702 DOI: 10.1016/s1567-5769(03)00059-6] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Bartonella quintana, an emerging gram-negative pathogen, may cause trench fever, endocarditis, cerebral abscess and bacillary angiomatosis usually with the absence of septic shock in humans. B. quintana lipopolysaccharide (LPS), a deep rough endotoxin with strong reactivity in the limulus amebocyte lysate (LAL)-assay, was studied in human whole blood and in a rat model. A significant (P<0.05) increase of interleukin-8 (IL-8) concentration, comparable to the level induced by enterobacterial LPS, was stimulated in the human whole blood by B. quintana LPS. Isolated human neutrophils delayed their apoptotic behavior in the presence of B. quintana LPS. In the rat, B. quintana LPS induced a significant (P<0.001) increase in white blood cell count, both 30 and 60 min after intravenous injection. Such leukocytosis was inhibited by pretreatment with prazosin, an alpha-adrenergic antagonist. B. quintana LPS did not significantly change heart rate (HR), hematocrit (HCT) and platelet count in the above reported in vivo model, and regarding mean blood pressure (MAP) only a very early (5 min after LPS) and mild (yet significant) hypotension was observed. In contrast, a long-lasting decrease of MAP was found in Salmonella minnesota R595 LPS-treated animals. Blood TNFalpha levels did not change significantly from the baseline in rats injected with either saline or with B. quintana LPS, on the contrary S. minnesota R595 LPS-injected animals showed substantial increase of TNFalpha levels up to 2924 pg/ml at 60 min after LPS injection. B. quintana LPS as well as Salmonella LPS-injected rats exhibited an increase of the blood levels of GRO/CINC-1, particularly at 240 min after LPS administration. Apical part of rat gut villi showed several TUNEL-positive cells in tissue sections from B. quintana LPS-treated animals. Taken together, our data demonstrates that B. quintana LPS is able to selectively stimulate some inflammatory mediators. B. quintana LPS-induced leukocytosis appears mediated by an alpha-adrenergic receptor. The delayed apoptotic process of leukocytes and the chemokine increase may explain the apoptotic cells found in the rat gut and the inflammatory reactions in some human Bartonella diseases. This peculiar inflammatory pattern induced by B. quintana LPS, may partially account for the lack of severe septic shock, observed in human B. quintana infections.
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Affiliation(s)
- Giovanni Matera
- Institute of Microbiology, Department of Medical Sciences, Faculty of Medicine, University of Catanzaro, Via T. Campanella 115, I-88100, Catanzaro, Italy
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41
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McGill S, Hjelm E, Rajs J, Lindquist O, Friman G. Bartonella spp. antibodies in forensic samples from Swedish heroin addicts. Ann N Y Acad Sci 2003; 990:409-13. [PMID: 12860665 DOI: 10.1111/j.1749-6632.2003.tb07402.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A high frequency of Bartonella elizabethae seropositivity (39%) was recorded among intravenous heroin addicts in Stockholm, Sweden, who died from a lethal injection. Some of the B. elizabethae-seropositive individuals also had antibodies to B. henselae Houston-1, B. grahamii, and B. quintana, but none had antibodies to B. henselae Marseille or B. vinsonii subsp. vinsonii. Hepatitis was a frequent finding but no case had peliosis hepatitis. There was no case of endocarditis, but in three persons active subacute-to-chronic myocarditis was found; two of these cases were Bartonella-positive and HIV-negative.
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Affiliation(s)
- Svena McGill
- Infectious Diseases, Department of Medical Sciences, Uppsala University Hospital, Uppsala, Sweden
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42
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Rolain JM, Arnoux D, Parzy D, Sampol J, Raoult D. Experimental infection of human erythrocytes from alcoholic patients with Bartonella quintana. Ann N Y Acad Sci 2003; 990:605-11. [PMID: 12860697 DOI: 10.1111/j.1749-6632.2003.tb07434.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Bartonella spp. are found in the erythrocytes of their specific natural hosts and B. quintana bacteremia is associated epidemiologically with lice, alcoholism, and homelessness. The aim of our study was to compare the growth and the number of bacteria per erythrocyte in vitro in laboratory-infected red blood cells from alcoholic patients versus normal blood donor erythrocytes. Enumeration of bacteria was performed either with plate counting or with a real-time PCR quantitative assay. Number of bacteria per cell was determined using immunofluorescence assay and laser confocal microscopy. Although the number of bacteria after 4 days of incubation was similar in the two groups of erythrocytes, we found that the distribution of bacteria per erythrocyte in the two groups was different. Erythrocytes from alcoholics contain significantly more bacteria per cell than erythrocytes from blood donors. Our results suggest that there is a link between alcoholism and infections of B. quintana that may be due to the macrocytosis of erythrocytes.
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Affiliation(s)
- Jean-Marc Rolain
- Unité des Rickettsies CNRS UPRES-A 6020, Faculté de Médecine, Université de la Méditerranée, 13385 Marseilles Cedex 05, France
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43
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Zupan S, Poljak M, Avsic-Zupanc T. Prevalence of Bartonella infections in Slovenian intravenous drug users. Ann N Y Acad Sci 2003; 990:414-8. [PMID: 12860666 DOI: 10.1111/j.1749-6632.2003.tb07403.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Sabina Zupan
- Institute of Microbiology and lmmunology, Medical Faculty, Ljubljana, Slovenia
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Abstract
Homelessness is a rising problem with socioeconomic roots that affects millions of people around the world. Homeless people suffer from a wide range of health problems and, consequently, have high rates of morbidity and mortality. Various infectious and noninfectious skin conditions have been described among the homeless, with trauma, superficial fungal infections, and foot problems being the most prevalent. Poor hygiene conditions, exposure to harmful environmental agents, and impaired access to health care may further exacerbate these skin diseases and lead to serious and occasionally life-threatening situations. As an integral part of the medical care for the homeless, dermatologic care is essential in diagnosing and managing their skin diseases, in preventing more serious complications and in improving the overall health status of the homeless population.
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Affiliation(s)
- Alexander J Stratigos
- The Department of Dermatology, University of Athens School of Medicine, Andreas Sygros Hospital, 28 Voucourestiou Street, Athens 106 71, Greece.
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45
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Comer JA, Paddock CD, Childs JE. Urban zoonoses caused by Bartonella, Coxiella, Ehrlichia, and Rickettsia species. Vector Borne Zoonotic Dis 2003; 1:91-118. [PMID: 12653141 DOI: 10.1089/153036601316977714] [Citation(s) in RCA: 78] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
The last half of the 20th Century witnessed an increase in the occurrence and recognition of urban zoonoses caused by members of the genera Bartonella, Coxiella, Ehrlichia, and Rickettsia, all traditionally considered to be members of the family Rickettsiaceae. In recent years, new human pathogens (Bartonella elizabethae, Bartonella henselae, and Rickettsia felis) have been recognized in urban environments. Other newly recognized pathogens (Ehrlichia chaffeensis and Ehrlichia phagocytophila in the United States) have sylvan zoonotic cycles but are present in urban areas because their vertebrate hosts and associated ectoparasitic arthropod vectors are able to survive in cities. Still other agents, which were primarily of historical importance (Bartonella quintana) or have not traditionally been associated with urban environments (Rickettsia rickettsii), have been recognized as causes of human disease in urban areas. Some diseases that have traditionally been associated with urban environments, such as rickettsialpox (caused by Rickettsia akari) and murine typhus (caused by Rickettsia typhi), still occur in large cities at low or undetermined frequencies and often go undetected, despite the availability of effective measures to diagnose and control them. In addition, alternate transmission cycles have been discovered for Coxiella burnetii, Rickettsia prowazekii, and R. typhi that differ substantially from their established, classic cycles, indicating that the epidemiology of these agents is more complex than originally thought and may be changing. Factors leading to an increase in the incidence of illnesses caused by these bacteria in urban areas include societal changes as well as intrinsic components of the natural history of these organisms that favor their survival in cities. Transovarial and transstadial transmission of many of the agents in their arthropod hosts contributes to the highly focal nature of many of the diseases they cause by allowing the pathogens to persist in areas during adverse times when vertebrate amplifying hosts may be scarce or absent. Domesticated animals (primarily cats, dogs, and livestock) or commensal rodents [primarily Norway rats (Rattus norvegicus) and house mice (Mus musculus)] can serve as vertebrate amplifying hosts and bring these agents and their ectoparasitic arthropod vectors into direct association with humans and help maintain transmission cycles in densely populated urban areas. The reasons for the increase in these urban zoonoses are complex. Increasing population density worldwide, shifts in populations from rural areas to cities, increased domestic and international mobility, an increase in homelessness, the decline of inner-city neighborhoods, and an increase in the population of immunosuppressed individuals all contribute to the emergence and recognition of human diseases caused by these groups of agents. Due to the focal nature of infections in urban areas, control or prevention of these diseases is possible. Increased physician awareness and public health surveillance support will be required to detect and treat existing urban infections caused by these agents, to determine the disease burden caused by them, to design and implement control programs to combat and prevent their spread, and to recognize emerging or resurging infections caused by members of these genera as they occur.
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Affiliation(s)
- J A Comer
- Viral and Rickettsial Zoonoses Branch, National Center for Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA 30333, USA.
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46
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McGill S, Rajs J, Hjelm E, Lindquist O, Friman G. A study on forensic samples of Bartonella spp antibodies in Swedish intravenous heroin addicts. APMIS 2003; 111:507-13. [PMID: 12780526 DOI: 10.1034/j.1600-0463.2003.1110409.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Infection with Bartonella, an emerging bacterial pathogen which often affects immunodeficient patients, has been reported in Sweden over the past few years, with a high seroprevalence of B. elizabethae. A high prevalence of antibodies against B. elizabethae has also been found in urban intravenous drug users in the USA. Using immunofluorescence, we retrospectively examined serum samples taken at autopsy from 59 Swedish intravenous drug addicts from the Stockholm area for evidence of antibodies against 6 pathogenic strains of Bartonella. The 59 addicts died following heroin injection during the years 1987-1992 and include 24 individuals (41%) who were additionally HIV-positive. An overall seropositivity rate for Bartonella spp. of 39% (23/59) was found with the following antigenic reactivities: B. elizabethae, 39% (23/59); B. grahamii, 3% (2/59); B. henselae (Houston-1), 14% (8/59); and B. quintana, 3% (2/59). There were no positive reactions for B. henselae (Marseille) or B. vinsonii subsp. vinsonii. The Bartonella-seropositive cases included 11/23 (48%) individuals who were HIV-positive. Subacute to chronic myocarditis was seen in 2/11 microscopically investigated Bartonella-seropositive cases that were HIV-negative and in 1/14 seronegative cases. No cases of endocarditis or other common manifestations of Bartonella infection were found. An overall Bartonella seropositivity of 21% (9/44) was observed in control forensic autopsy samples.
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Affiliation(s)
- Svena McGill
- Infectious Diseases, Department of Surgical Sciences, Uppsala University Hospital, Uppsala, Sweden
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47
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Minnick MF, Sappington KN, Smitherman LS, Andersson SGE, Karlberg O, Carroll JA. Five-member gene family of Bartonella quintana. Infect Immun 2003; 71:814-21. [PMID: 12540561 PMCID: PMC145397 DOI: 10.1128/iai.71.2.814-821.2003] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Bartonella quintana, the agent of trench fever and an etiologic agent of bacillary angiomatosis, has an extraordinarily high hemin requirement for growth compared to other bacterial pathogens. We previously identified the major hemin receptor of the pathogen as a 30-kDa surface protein, termed HbpA. This report describes four additional homologues that share approximately 48% amino acid sequence identity with hbpA. Three of the genes form a paralagous cluster, termed hbpCAB, whereas the other members, hbpD and hbpE, are unlinked. Secondary structure predictions and other evidence suggest that Hbp family members are beta-barrels located in the outer membrane and contain eight transmembrane domains plus four extracellular loops. Homologs from a variety of gram-negative pathogens were identified, including Bartonella henselae Pap31, Brucella Omp31, Agrobacterium tumefaciens Omp25, and neisserial opacity proteins (Opa). Family members expressed in vitro-synthesized proteins ranging from ca. 26.5 to 35.1 kDa, with the exception of HbpB, an approximately 55.9-kDa protein whose respective gene has been disrupted by a approximately 510 GC-rich element containing variable-number tandem repeats. Transcription analysis by quantitative reverse transcriptase-PCR (RT-PCR) indicates that all family members are expressed under normal culture conditions, with hbpD and hbpB transcripts being the most abundant and the rarest, respectively. Mutagenesis of hbpA by allelic exchange produced a strain that exhibited an enhanced hemin-binding phenotype relative to the parental strain, and analysis by quantitative RT-PCR showed elevated transcript levels for the other hbp family members, suggesting that compensatory expression occurs.
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Affiliation(s)
- Michael F Minnick
- Division of Biological Sciences, The University of Montana, Missoula 59812, USA.
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48
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Foucault C, Barrau K, Brouqui P, Raoult D. Bartonella quintana Bacteremia among Homeless People. Clin Infect Dis 2002; 35:684-9. [PMID: 12203165 DOI: 10.1086/342065] [Citation(s) in RCA: 69] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2001] [Revised: 04/18/2002] [Indexed: 11/03/2022] Open
Abstract
Bartonella quintana infections have recently reemerged, predominantly among the homeless populations in cities in both Europe and the United States. B. quintana can cause trench fever, endocarditis, and chronic bacteremia; the human body louse is the only known vector. Homeless people who presented to the emergency departments of University Hospital in Marseilles, France, were studied, as were those who had been admitted to other medical facilities in the city since 1 January 1997. Samples of blood and body lice were collected for culture for B. quintana and for serological testing. Bartonella bacteremia was associated with sweats, evidence of louse infestation, serological tests that were positive for B. quintana, and high titers of B. quintana antibody. Bacteremia was also associated with being homeless for <3 years. Asymptomatic, prolonged bacteremia (duration, up to 78 weeks) and intermittent bacteremia were found to occur. Data obtained regarding antibiotic regimens showed that treatment with gentamicin and doxycycline was effective in preventing relapses of bacteremia.
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Affiliation(s)
- C Foucault
- Université de la Méditerranée, Faculté de Médecine, Centre National de la Recherche Scientifique, Unité Mixte de Recherche 6020, Unité des Rickettsies, 13006 Marseille, France
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49
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Maurin M, Rolain JM, Raoult D. Comparison of in-house and commercial slides for detection by immunofluorescence of immunoglobulins G and M against Bartonella henselae and Bartonella quintana. CLINICAL AND DIAGNOSTIC LABORATORY IMMUNOLOGY 2002; 9:1004-9. [PMID: 12204950 PMCID: PMC120066 DOI: 10.1128/cdli.9.5.1004-1009.2002] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
We compared the sensitivities and specificities of indirect fluorescent antibody tests developed in our laboratory and commercially available from Focus Technologies (FT; formerly MRL Diagnostic) for detection of serum antibodies to Bartonella spp. Serum samples tested were from patients with culture- or PCR-confirmed Bartonella quintana or B. henselae infections causing cat scratch disease (CSD), chronic bacteremia, or endocarditis. At a cutoff titer of 64, the FT test had higher sensitivity than our in-house test in detecting anti-B. henselae immunoglobulin G (IgG) antibodies in CSD patients (91.2 versus 52.9%; P < 0.001). The specificity in serum samples from 85 control patients was, however, lower with the FT test (87%) than with the in-house test (98.8%) (P = 0.002). A cutoff titer of 128 improves the specificity for the FT test but lowers the sensitivity to 85%. For patients infected with B. henselae, our in-house test, but not the FT test, enabled endocarditis to be detected more reliably. With the in-house test, titers of IgG against B. henselae of >/=1,024 were found only in endocarditis patients and not in CSD patients. With the FT test, 19.1% of CSD patients had titers of IgG against B. henselae of >/=1,024 (P < 0.001). Our in-house technique also improved detection of anti-B. quintana antibodies in homeless patients with endocarditis. IgG titers of >/=1,024 were present in 75% of serum samples, but only in 16.7% of serum samples with the FT test (P = 0.004). Since each test has advantages over the other, the serological diagnosis of Bartonella infections would benefit if both tests were used concurrently.
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Affiliation(s)
- M Maurin
- Unité des Rickettsies, CNRS UMR 6020, IFR 48, Faculté de Médecine, Université de la Méditerranée, 13385 Marseille Cedex 05, France
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50
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Ciervo A, Petrucca A, Ciarrocchi S, Pinto A, Bonazzi L, Fabio A, Farnetti E, Chomel BB, Ciceroni L. Molecular characterization of first human Bartonella strain isolated in Italy. J Clin Microbiol 2001; 39:4554-7. [PMID: 11724882 PMCID: PMC88586 DOI: 10.1128/jcm.39.12.4554-4557.2001] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The aim of this study was to characterize a Bartonella strain (BA-1) isolated from a blood culture of an Italian, human immunodeficiency virus-positive patient with bacillary angiomatosis. We analyzed the isolate using molecular biology methods such as whole-cell fatty acid analysis, PCR-restriction fragment length polymorphism analysis, type-specific 16S rRNA PCRs, sequence analysis of the 16S rRNA, pulsed-field gel electrophoresis, and arbitrarily primed PCR. The BA-1 isolate turned out to be a Bartonella quintana strain, similar but not identical to B. quintana Oklahoma, which was used as a control strain.
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Affiliation(s)
- A Ciervo
- Department of Bacteriology and Medical Mycology, Istituto Superiore di Sanità, 00161 Rome, Italy
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